CN104058180A - Dosage dispenser - Google Patents
Dosage dispenser Download PDFInfo
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- CN104058180A CN104058180A CN201410084310.6A CN201410084310A CN104058180A CN 104058180 A CN104058180 A CN 104058180A CN 201410084310 A CN201410084310 A CN 201410084310A CN 104058180 A CN104058180 A CN 104058180A
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- lining
- discharge
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- Reciprocating Pumps (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention relates to a dosage dispenser. The dosage dispenser comprises a suction portion combined with the upper part of a container and used for sucking liquid medicament stored in the container, a pumping portion combined with one side of the suction portion and used for performing pumping motions in a way of injecting a predetermined amount of medicament, and a discharge portion arranged at the upper end of the pumping portion and forming a discharge hole at the front end for discharging the medicament in a drop state, and the pumping portion prevents external dust or foreign matters or bacteria from flowing into the medicament stored in the container. According to the dosage dispenser, the liquid medicament stored in the container is discharged with the predetermined amount in the drip state each time, and the external dust, the foreign matters and the bacteria are prevented from flowing into the medicament stored in the dosage dispenser.
Description
Technical field
The present invention relates to twitch and do the liquid pharmaceutical that is stored in internal tank to discharge a certain amount of medicament dispenser (MEDICAMENT DISPENSER) with drop state at every turn by pump.
Background technology
In general, distributing box is gas to being filled in sealed container interior or liquid or tolerant pressurization of gluey institute and discharge a certain amount of pump picking device at every turn.
Recently, distributing box is as the container of storing cosmetics or perfume, washer solvent, pharmaceuticals, food etc.
Be installed on the upper end of container according to the distributing box of prior art, and take out portion, button portion and nozzle by pump and form, once press the button, axis body overcomes the elastic force of spring and declines, make to be filled in housing the tolerant hollow bulb by through hole and axis body and connection pipe discharge to nozzle.Now, spheroid is against the hook bank of housing lower end by the falling pressure of enclosure interior fluid.
Once release button, axis body is risen by the elastic force of spring, through hole is closed and blocks tolerant discharge, and enclosure interior form vacuum, make to be contained in container institute tolerant make spheroid rise and open wide valve, thereby tolerant being filled in housing.
Press the button if repeat, above-mentioned action repeat and discharge institute tolerant.
But according to the distributing box of prior art owing to possessing the spheroid of metal material, thereby manufacturing cost rising, and owing to thering is the valve constitution that comprises spheroid, thereby need to carry out the additional rear course of processing, therefore the problem that, exists manufacturing process operability numerous and diverse and manufacturing operation to reduce.
And due to tolerant in the residual institute of nozzle, the tolerant contact with air of residual institute makes moisture evaporation and solidifies according to the distributing box of prior art, thus existence tolerant going bad and the blocked problem of nozzle.
An example that is used for the technology addressing this is that is disclosed in following patent documentation 1.
Patent documentation 1 discloses following formation., discharge to outside while possessing with press operating part and the tolerant mode that flows into housing section inside in the time of operating portion reposition of institute in squit hole of not remaining at the inner valve that produces vacuum pressure of runner, thereby preventing that institute is tolerant remains in squit hole inside and goes bad or because of the phenomenon of residual tolerant shutoff squit hole.
On the other hand, recently using as nasal spray device and will be stored in pharmaceuticals in container and discharge the fluid distributor of a certain amount of left and right.
Following patent documentation 2 discloses the formation of the fluid distributor to nose spray pharmacy.
Following patent documentation 3 discloses the formation of the fluid distributor that comprises fix-displacement pump and access valve and outlet valve.
Prior art document
Patent documentation
Patent documentation 1: No. 10-0889050th, Korean granted patent (bulletin on March 20th, 2009)
Patent documentation 2: No. 10-2010-0038328th, Korea S's publication (on April 14th, 2010 is open)
Patent documentation 3: U.S.'s granted patent No. US7249693 (mandate on July 31st, 2007)
Summary of the invention
Invent problem to be solved
But the distributing box of recording in patent documentation 1 remains in the institute of squit hole inside because pump can not suck up hill and dale tolerant, thereby preventing there is limitation aspect tolerant rotten and squit hole latch up phenomenon.
The fluid distributor of recording in patent documentation 2 inside append use as front sealing key element and rear sealing key element parts and seal, thereby there is the complex structure of product and the problem of manufacturing cost rising.
Therefore, in the situation that utilizing distributing box to discharge medicament, according to the distributing box of the prior art including patent documentation 1 and patent documentation 2 due to remain in nozzle the tolerant infiltration because of outside bacterium or pollutant substance contaminated, thereby exist must carry out to medicament anti fouling composition processing problem.
The fluid distributor of recording in patent documentation 3 is in order to possess abatement of pollution unit for sterile fluid together with access valve, outlet valve, valve ball etc., thereby the problem that exists manufacturing cost to rise.
On the other hand, actual conditions are to need exploitation can discharge the medicament dispenser of medicament with the medicament dispenser of replacement spraying medicine with drop state as splashed into eyes.
In order to solve variety of issue as above, the object of the present invention is to provide a kind of medicament dispenser that can discharge to eyeball a certain amount of liquid pharmaceutical of drop state.
Thereby another object of the present invention is to provide a kind of dust of blocking medicament discharge process peripheral or foreign matter, bacterium to flow into and innerly can prevent the contaminated medicament dispenser of medicament.
Problem solution
In order to achieve the above object, according to medicament dispenser of the present invention, it is blocked outside dust or foreign matter or bacterium and flows into and be stored in inner medicament, this medicament dispenser is characterized in that, comprising: be combined with the top of container and suck the sucting of the liquid pharmaceutical that is stored in internal tank; Be combined with a side of above-mentioned sucting and carry out pump and twitch the pump of work and take out portion to discharge the mode of the medicament suitable with predefined amount; And be arranged at said pump and take out the upper end of portion and be formed with the discharge portion of discharge orifice that medicament is discharged with drop state at front end.
The feature of medicament dispenser of the present invention is that the said pump portion of taking out comprises: the piston that carries out lifting action with the lifting action of above-mentioned discharge portion; Be connected in the valve rod of the lower end of above-mentioned piston; And be combined with the outside of above-mentioned valve rod and the elastomeric element of restoring force is provided to above-mentioned discharge portion, above-mentioned piston carries out vertical motion to pass through the runner medicament that transmit, suitable with predefined amount that is formed at above-mentioned valve rod inside to above-mentioned discharge orifice side in the time that above-mentioned discharge portion is carried out down maneuver, carries out afterwards the movement of down maneuver with blocking-up medicament.
The feature of medicament dispenser of the present invention is that above-mentioned discharge portion comprises: a base portion, is formed with discharge orifice in the top; Lining, it is arranged in the escape route that is formed on above-mentioned base portion inside, and passes through the lifting action of above-mentioned piston and medicament that pump is taken out to above-mentioned discharge orifice side; Spring, it is arranged between above-mentioned lining and piston and to piston elastic force is provided; And drop forming unit, it will be formed as drop to the medicament of above-mentioned discharge orifice transmission so that above-mentioned medicament is discharged with drop state.
The feature of medicament dispenser of the present invention is, above-mentioned drop forming unit is made up of with the droplet-shaped grooving that is formed at above-mentioned base portion top lower surface the contamination preventing parts that are arranged between above-mentioned base portion top lower surface and lining top, above-mentioned contamination preventing parts are made in case to remain in the medicament of above-mentioned base portion inside upper part contaminated with the material of the material with sterilizing function, be formed with multiple adjusting teats in the upper end of above-mentioned lining, this adjusting teat regulates the amount of the medicament of discharging suitable with predefined amount to discharge in the time once discharging, the medicament of drop state.
The feature of medicament dispenser of the present invention is, the vertical component effect that is formed with the flange of the pressurized operation by user and the outside, upper end of coated above-mentioned sucting in the bottom of above-mentioned base portion, is formed with the guide that forms above-mentioned escape route and the support component that supports this guide in the inside of above-mentioned base portion.
The feature of medicament dispenser of the present invention is, outstandingly on the outer peripheral face of above-mentioned lining is formed with multiple combination ribs, and this makes above-mentioned lining clamp-on the guide inside of a base portion in conjunction with rib when the above-mentioned lining of assembling and the base portion.
The feature of medicament dispenser of the present invention is that above-mentioned sucting comprises: in conjunction with cylindrical shell, it is combined with container upper end; Housing, the bottom combination of itself and above-mentioned combination cylindrical shell, is formed with the inflow entrance that the medicament that is stored in container flows in the bottom of this housing; And check valve, it is arranged at bottom and the above-mentioned inflow entrance of switch of above-mentioned housing, is formed with the first regulating tank and second regulating tank of the amount that regulates the medicament flowing into enclosure interior at the inside face of above-mentioned housing.
The feature of medicament dispenser of the present invention is to be formed with the medicament that exceedes predefined set amount is discharged to be recycled to the recovery mouth in container to above-mentioned outside in a side of above-mentioned housing.
The feature of medicament dispenser of the present invention is, is provided with the guiding parts of the bottom institute combination of above-mentioned valve rod in the inside of above-mentioned combination cylindrical shell, and above-mentioned guiding parts comprises: the bottom institute combination of above-mentioned valve rod first in conjunction with guide; Form in conjunction with the top of guide is connected with above-mentioned first second in conjunction with guide; And connect above-mentioned second in conjunction with guide with in conjunction with the link of cylindrical shell, above-mentioned link and second in conjunction with the space between guide the upper end in conjunction with above-mentioned housing.
The feature of medicament dispenser of the present invention is, is formed with diameter becomes large tapered portion towards lower end in the bottom of above-mentioned valve rod, and above-mentioned tapered portion is in the time that above-mentioned valve rod carries out vertical motion and above-mentioned first be adjacent to prevent the movement of medicament in conjunction with the inner peripheral surface of guide.
The feature of medicament dispenser of the present invention is, be formed with and the pump of the portion of taking out by pump twitched make the medicament that transmits to the mobile runner of discharge orifice side shifting and make the medicament that moves by above-mentioned mobile runner along the eddy channel transmitting to above-mentioned discharge orifice side after the outer peripheral face rotation of above-mentioned lining at the outer peripheral face of above-mentioned lining, said pump is taken out portion and eddy channel and is blocked outside dust or foreign matter or bacterium inflow and be stored in inner medicament.
Invention effect
As mentioned above, according to being suitable for medicament dispenser of the present invention, have and can discharge the amount suitable with predefined amount with drop state by being stored in liquid pharmaceutical in container at every turn, and can block the effect in the medicament that outside dust or foreign matter, bacterium inflow be stored in medicament dispenser inside.
Therefore, according to being suitable for medicament dispenser of the present invention, stop the pollution of the medicament that is stored in container and medicament dispenser inside, thus the effect that obtains can storing and discharging the medicament of the anti fouling composition that does not add the pollution for preventing medicine and addle.
Thus, according to being suitable for medicament dispenser of the present invention, in the manufacturing process of medicament, needn't add anti fouling composition, thereby obtain saving the expense on the time required in the manufacturing process of medicine, on material, and the effect that harmful effect human body being brought because of interpolation anti fouling composition can be prevented trouble before it happens.
And, according to being suitable for medicament dispenser of the present invention, thereby being set on escape route top, contamination preventing parts can prevent that the medicament of the inside upper part that remains in a base portion is contaminated.
In addition, according to being suitable for medicament dispenser of the present invention, form droplet-shaped grooving in the upper end of a base portion, thereby obtain can discharging the effect of medicament suitable with predefined amount, drop state in the time discharging medicament.
In addition, according to being suitable for medicament dispenser of the present invention, lining is formed as to have the external diameter corresponding with the diameter of escape route, and outstandingly on the outer peripheral face of lining form multiple combination ribs, can be easily in conjunction with them thereby obtain in the time of assembling lining and base portion, and can prevent from changing because of the pressure of medicament in the medicament discharging operation process of medicament dispenser the effect that expands phenomenon of the combination guide causing.
Brief description of the drawings
Fig. 1 is the block diagram of medicament dispenser according to a preferred embodiment of the invention.
Fig. 2 is the cutaway view of the medicament dispenser shown in Fig. 1.
Fig. 3 is the exploded perspective view of the medicament dispenser shown in Fig. 1.
Fig. 4 is the amplification stereogram of check valve.
Fig. 5 is the cutaway view for the A-A' line shown in Fig. 3.
Fig. 6 is the amplification stereogram of having observed the lining shown in Fig. 3 from another angle.
Fig. 7 shows the movement state diagram of the state of the down maneuver that a base portion of the medicament dispenser shown in Fig. 2 carries out.
Fig. 8 is the stereoscopic figure of another embodiment of the lining shown in Fig. 3.
Nomenclature
10-sucting, 11-in conjunction with cylindrical shell, 12-housing, 121-inflow entrance, 122-space is set, 123-storage space, 124-regulating tank, 126-recovery mouthful, 13-check valve, 131-valve seat, 132-curved ribs, 14-guiding parts, 141-the first in conjunction with guide, 142-the second in conjunction with guide, 143-link, 144-fixing bank, 145-circular guide, 15-gasket seal, 20-pump is taken out portion, 21-piston, 211-insertion groove, 212-annular protrusion, 213-switch teat, 22-valve rod, 221-runner, 222-tapered portion, 23-elastomeric element, 30-discharge portion, a 31-base portion, 311-escape route, 312-discharge orifice, 313-flange, 314-guide, 315-vertical component effect, 316-support component, the grooving of 317-droplet-shaped, 32-lining, 321-lifting space, 322-engagement groove, 323-eduction port, 324-mobile runner, 325-adjusting teat, 326-in conjunction with rib, 327-eddy channel, 33-contamination preventing parts, 34-spring.
Detailed description of the invention
Describe with reference to the accompanying drawings medicament dispenser according to a preferred embodiment of the invention in detail.
Fig. 1 is the block diagram of medicament dispenser according to a preferred embodiment of the invention, and Fig. 2 is the cutaway view of the medicament dispenser shown in Fig. 1, and Fig. 3 is the exploded perspective view of the medicament dispenser shown in Fig. 1.
As depicted in figs. 1 and 2, medicament dispenser according to a preferred embodiment of the invention comprises: be combined with the top of container (not shown) and suck the sucting 10 of the medicament that is stored in internal tank; Be combined with a side of sucting 10 and carry out pump and twitch the pump of work and take out portion 20 to discharge the mode of medicament suitable with predefined amount, drop state; And be arranged at the discharge portion 30 that pump is taken out the upper end of portion 20 and is formed with discharge orifice 312 at front end.
As shown in Figures 2 and 3, sucting 10 can comprise: the combination cylindrical shell 11 of being combined with container upper end; Housing 12 with the bottom combination in conjunction with cylindrical shell 11; And be arranged at the check valve 13 of the bottom of housing 12 and the inflow entrance 121 of switch housing that medicament flows into 12 inside.
Be formed as general cylindrical shape in conjunction with cylindrical shell 11, the guiding that will illustrate below being provided with in conjunction with the inside of cylindrical shell 11 is arranged at pump takes out the guiding parts 14 of the lifting action of the valve rod 22 of portion 20.
Guiding parts 14 is formed as the general cylindrical shape of upper and lower surface opening, and it can comprise: the bottom institute combination of valve rod 22 first in conjunction with guide 141; Form in conjunction with the top of guide 141 is connected with first second in conjunction with guide 142; And connect second in conjunction with guide 142 and link 143 in conjunction with cylindrical shell 11.
First plays guiding and is incorporated into the lifting action of its inner valve rod 22 in conjunction with guide 141.For this reason, first can form with the diameter corresponding with the lower diameter of valve rod 22 in conjunction with guide 141.
For example, first can be formed obliquely below toward the outer side to become large mode towards lower end diameter in conjunction with guide 141.
On the other hand, can form at least more than one circular guide 145 at the first inner peripheral surface in conjunction with guide 141, to block in conjunction with the outside of cylindrical shell 11 and dust or foreign matter, the bacterium etc. of upper space to the first lower space transmission in conjunction with guide 141.
Second is formed as the general cylindrical shape of upper and lower surface opening in conjunction with guide 142, and it can form in conjunction with the mode of the large diameter of the diameter of guide 141 to have than first.
The second upper end in conjunction with guide 142 inserts that the pump that will illustrate is below taken out elastomeric element 23 lower ends of portion 20 and the diametric(al) that can prevent elastomeric element 23 is moved about and elastomeric element 23 separates arbitrarily.
Link 143 can be formed as the cylindrical shape of lower surface opening.
Link 143 and second in conjunction with the space between guide 142 upper end in conjunction with housing 12.Can form the fixing bank 144 of the upper end of stationary housing 12 at the inner peripheral surface of link 143.
On the other hand, thus guiding parts 14 divide in conjunction with the upper space of cylindrical shell 11 and lower space and can block medicament in conjunction with cylindrical shell 11 lower space arbitrarily to upper space transmission.
Meanwhile, airtight container and in conjunction with the gasket seal 15 between cylindrical shell 11 upper spaces when the bottom of guiding parts 14 can be arranged in conjunction with the upper end of the inside stationary housing 12 of cylindrical shell 11.
Housing 12 is formed as diameter and becomes large tubulose towards top.
Be formed with the inflow entrance 121 that the medicament that is stored in container flows in the bottom of housing 12, can be connected in internal tank in the lower end of housing 12 and suck the pipe (not shown) that is stored in the medicament in container.
The storage space 123 that the set medicament that space 122 is set and flows into from container of check valve 13 is stored temporarily can be set in housing 12 inside.
The amount of the medicament of discharging from discharge portion 30 can be determined by the volume of storage space 123.
Can form the first regulating tank 124, the second regulating tank 125 at the inner peripheral surface of housing 12, flow into storage space 123 in the case of exceeding the medicament of predefined set amount, when the first regulating tank 124 regulates check valve 13 to carry out down maneuver, move and be recycled to the amount of the medicament in container to the outer upper of check valve 13, the second regulating tank 125 regulates the amount of the medicament moving to the inside upper part of check valve 13.
As shown in Figure 3, the first regulating tank 124 can form at the inner peripheral surface of housing 12 multiple with a determining deviation, and the second regulating tank 125 can be formed at the top of the first regulating tank 124.
Like this, the present invention flows into the amount of medicament of enclosure interior through twice adjusting, thereby compared with the occasion of spraying medicine, can reduce to form the amount of the medicament that the mode of drop discharges.
On the other hand, although illustrated in Fig. 3 is the occasion that is formed with 4 the first regulating tanks 124 and is formed with 2 the second regulating tanks 125, but the present invention is not limited thereto, number, shape and the size that can also change the first regulating tank 124, the second regulating tank 125 according to the discharge rate of the medicament that will discharge are to carry out various deformation.
And, can form the medicament that has exceeded predefined set amount on the top of housing 12 and flowed into storage space 123 time, exceed the medicament of set amount and be recycled to the recovery mouth 126 in container to outside discharge of housing 12.
Fig. 4 is the amplification stereogram of check valve.
As shown in Figure 3 and Figure 4, check valve 13 is formed as upper surface open and flat general cylindrical shape, is provided with the valve seat 131 that opens wide or seal inflow entrance 121 in the bottom of check valve 13.
The inside upper surface of check valve 13 can form from outside towards center curvature, make check valve 13 can successfully carry out multiple curved ribs 132 of lifting action with the lifting action of valve rod 22.
Although illustrated in Fig. 4 is the occasion that is formed with 3 curved ribs 132, the present invention is not limited thereto, and can change in the mode that forms one or more, and shape also can diversely change.
Pump is taken out portion 20 and is blocked outside dust or foreign matter or bacterium and flow into and be stored in inner medicament.
For this reason, as shown in Figures 2 and 3, pump is taken out portion 20 and can be comprised: the piston 21 that carries out lifting action with the lifting action of discharge portion 30; Be connected in the valve rod 22 of the lower end of piston 21; And be combined with the outside of valve rod 22 and the elastomeric element 23 of restoring force is provided to discharge portion 30.
Piston 21 is formed as general cylindrical shape, it is positioned at the lifting space 321 of the lining 32 that is arranged on the discharge portion 30 that will illustrate below, and with 32 times end in contact of lining, and carry out lifting action with the lifting action of discharge portion 30, switch is formed at the runner 221 of valve rod 22 thus.
Can utilize the forming materials piston 21 of soft synthetic resin material.
Can form at piston 21 insertion groove 211 that the spring 34 of discharge portion 30 inserts.Can be recessed into certain depth downwards and form insertion groove 211 from the upper surface of piston 21.
Can form the switch teat 213 of runner 221 upper ends of sealing valve rod 22 in the bottom of piston 21.
The mode that switch teat 213 can be greater than the diameter of runner 221 with the diameter of upper end forms, and the mode diminishing towards lower end with diameter is formed as taper.
Thus, switch teat 213 can be in the time that the runner of valve rod 22 221 seals by intrinsic elastic force elastic deformation, and restore to the original state in the time that runner 221 opens wide.
Outer peripheral face at piston 21 can form 3 annular protrusion 212 to be adjacent to escape route 311 with a determining deviation.
Be formed at the outer peripheral face top of piston 21 and the annular protrusion 212 of central portion and play medicament that blocking-up transmits to runner 221 bottoms and flow into and be arranged at the lifting space 321 on piston 21 tops, the basifacial annular protrusion 212 of periphery that is formed at piston 21 plays the eduction port 323 of the lining 32 that will illustrate below shutoff in the time that piston 21 carries out down maneuver.
Like this, the present invention forms multiple annular protrusion at the outer peripheral face of piston, not only can packed-piston and lining between space, and can make piston successfully carry out lifting action.
On the other hand, the present invention can also form circular groove and change to replace annular protrusion in conjunction with the mode of O shape ring in circular groove with the outer peripheral face at piston.
Valve rod 22 is formed as cylindrical, and its lifting action with piston 21 carries out lifting action, plays a part pump and takes out the medicament of the storage space 123 that is temporarily stored in housing 12 and transmit to discharge portion 30.
For this reason, be formed with the runner 221 from storage space 123 to discharge portion 30 delivery of pharmacological agents in the inside of valve rod 22.
The top of valve rod 22 can be positioned at escape route 311 inside of discharge portion 30, the bottom of valve rod 22 can with in conjunction with cylindrical shell 11 first in conjunction with guide 141 combinations.
Can form at least more than one annular in conjunction with teat at the upper periphery face of valve rod 22, this annular can improve the binding force between valve rod 22 and guide 314 in conjunction with teat.
Be provided with diameter in the bottom of valve rod 22 and become large tapered portion 222 towards lower end.
Tapered portion 222 is in the time that valve rod 22 carries out vertical motion and first be adjacent to and play a part to prevent that medicament from moving in conjunction with the inner peripheral surface of guide 141.
Elastic deformation when elastomeric element 23 carries out down maneuver in the discharge portion 30 and base portion 31 that plays a part the discharge portion 30 that will illustrate below being arranged at provides restoring force.
For this reason, the lower end of elastomeric element 23 can be supported in the upper surface in conjunction with the link 143 of cylindrical shell 11, and the upper end of elastomeric element 23 can be supported in the lower surface of the support component 316 of a base portion 31.
As shown in Figures 2 and 3, discharge portion 30 can comprise: a base portion 31, and it forms profile and carries out lifting action according to user's operation; Lining 32, it is arranged in the escape route 311 that is formed on a base portion 31 inside, and passes through the lifting action of piston 21 and medicament that pump is taken out to discharge orifice 312 sides of a base portion 31; Spring 34, it is arranged between lining 32 and piston 21; And drop forming unit, it is formed as drop by the medicament transmitting to discharge orifice 312 so that above-mentioned medicament is discharged with drop state.
The mode that base portion 31 diminishes towards upper end with diameter forms to discharge medicament to the eyeball of human body etc.
The discharge orifice 312 of each discharge medicament suitable with predefined amount can be formed in the upper end of a base portion 31, the flange 313 of user institute pressurized operation and the vertical component effect 315 in outside, the coated upper end in conjunction with cylindrical shell 11 can be formed in the bottom of a base portion 31.
Can set the diameter of discharge orifice 312 to discharge the medicament suitable with predefined amount according to experiment value.
In the present embodiment, the amount of the medicament of discharging while at every turn discharge can be set as roughly 0.02 to 0.05ml, it is desirable to be set as roughly 0.03ml.
And the diameter of discharge orifice 312 can be set as roughly 1.5 to 2.0mm, it is desirable to be set as roughly 1.7mm.
The lower surface of flange 313 and the operating distance when becoming a base portion 31 and valve rod 22 and carry out lifting action in conjunction with the distance between the upper end of cylindrical shell 11., play stopper effect in conjunction with the upper end of cylindrical shell 11.
Be formed with in the inside of a base portion 31 and form the guide 314 of escape route 311 and the support component 316 of support guide part 314, on the top of guide 314 internal configurations linings 32 and valve rod 22.
On the other hand, Fig. 5 is the cutaway view for the A-A' line shown in Fig. 3.
As shown in Figure 5, can form the droplet-shaped grooving 317 that reduces discharge velocity and discharge pressure and form drop at the inside face of a base portion 31 upper ends, to discharge medicament suitable with predefined amount, drop state by discharge orifice 312.
, above-mentioned drop forming unit can be made up of the contamination preventing parts 33 and the droplet-shaped grooving 317 that are arranged between a base portion 31 top lower surfaces and lining 32 tops.
For example, droplet-shaped grooving 317 can form by be communicated with the multiple grooves that form with discharge orifice 312.
Although illustrated in Fig. 5 is 3 droplet-shaped grooving 317, the present invention is not limited thereto, and can also change number, shape and the size of droplet-shaped grooving 317 to carry out various deformation.
Escape route 311 forms in the mode being communicated with discharge orifice 312, and the medicament that discharge orifice 312 is transmitted by the vertical motion of piston 21 when a base portion 31 is carried out to down maneuver is discharged with droplet morphology.
Fig. 6 is the amplification stereogram of having observed the lining shown in Fig. 3 from another angle.
As shown in Fig. 2, Fig. 3 and Fig. 6, lining 32 is formed as general cylindrical shape, can form piston 21 insert and carry out the lifting space 321 of lifting action and the engagement groove 322 of being combined with the top in lifting space 321 in spring 34 tops in the inside of lining 32.
A side at lining 32 can form eduction port 323, thereby when this eduction port 323 carries out down maneuver to the outside discharge of lining 32 due to a base portion 31, piston 21 carries out the medicament that vertical motion is transmitted by the runner 221 of valve rod 22 inside.
And, can form and make the medicament of discharging by the eduction port 323 mobile runner 324 to discharge orifice 312 side shiftings at the outer peripheral face of lining 32.
The top of lining 32, its diameter is less than the diameter of bottom and forms with staged, can form the amount of the medicament that adjusting discharges to discharge the adjusting teat 325 of medicament suitable with predefined amount, drop state in the time once discharging in the upper end of lining 32.
Regulate teat 325 to give prominence to and form towards discharge orifice 312 from the upper end of lining 32, therefore, regulate between teat 325 and can form to the space of discharge orifice 312 delivery of pharmacological agents at each.
Meanwhile, can be along the multiple combination ribs 326 of the outstanding formation of above-below direction at the outer peripheral face of lining 32.
While playing a part assembling lining 32 and base portion 31 in conjunction with rib 326, make lining 32 clamp-on the guide 314 of a base portion 31 inner and improve the binding force between lining 32 and guide 314.
If the external diameter of lining 32 is formed as being greater than to the diameter of escape route 311, in order to assemble lining 32 and a base portion 31 need apply very large power, and in fitting process, likely there is lining 32 or guide 314 is damaged or impaired problems.
Therefore, the present invention is formed as having the external diameter corresponding with the diameter of escape route by lining, and outstandingly on the outer peripheral face of lining form multiple combination ribs, thereby in the time of assembling lining and base portion, make their easily combinations, and can prevent from the medicament discharging operation process of medicament dispenser changing because of the pressure of medicament the phenomenon that expands of the combination guide that causes.
The top and bottom of contamination preventing parts 33 are supported in respectively cascaded surface and a base portion 31 bottom inner surfaces on lining 32 tops.
The medicament on top that contamination preventing parts 33 play a part to make to move to escape route 311 along the mobile runner 324 of lining 32 is to discharge orifice 312 side shiftings and form eddy current.
The upper and lower of spring 34 is inserted respectively and is arranged in the engagement groove 322 of lining 32 and the insertion groove 211 of piston 21.
The piston 21 that spring 34 carries out lifting action to the lifting space 321 at lining 32 provides elastic force.
Thus, the correct base portion 31 of user applies operating effort before and operating effort is disengaged, and piston 21 enclosed shapes are formed in the upper end of the runner 221 of valve rod 22.
On the other hand, can be on the top of a base portion 31 in conjunction with cover (not in the accompanying drawings diagram) in case the pollution of discharge orifice 312 peripheries.
Describe the marriage relation of medicament dispenser according to a preferred embodiment of the invention below in detail.
First, in lining 32 inside successively in conjunction with spring 34 and piston 21, and at the escape route 311 of a base portion 31 inside in conjunction with contamination preventing parts 33 and lining 32.
Now, lining 32 by be formed at lining 32 outer peripheral face multiple combination ribs 326 and be squeezed into guide 314 inside of a base portion 31.
Make the first combination in conjunction with guide 141 injection valve rod 22 is positioned under the state in conjunction with the bottom of cylindrical shell 11, and after the arranged outside elastomeric element 23 of valve rod 22 at escape route 311 in conjunction with valve rod 22 tops.
Now, the upper end of elastomeric element 23 is supported in support component 316 lower surfaces of a base portion 31, and the lower end of elastomeric element 23 is supported in link 143 upper surfaces in conjunction with cylindrical shell 11, and is stuck in the second upper end in conjunction with guide 142 and fixes.
Thus, elastomeric element 23 can stably be fixed in conjunction with guide 142 by second, thereby and in the time that a base portion 31 carries out down maneuver elastic deformation can provide restoring force to a base portion 31.
Then, the space 122 that arranges at housing 12 arranges check valve 13, and being combined in conjunction with the space between guide 142 and link 143 in conjunction with second of cylindrical shell 11 after the upper end of housing 12, combination seal pad 15 and firmly fix housing 12 and in conjunction with cylindrical shell 11.
Lower end at the medicament dispenser assembling like this completes assembling in conjunction with pipe and in the combination of the upper end of container in conjunction with cylindrical shell 11.
Describe the method for work of medicament dispenser according to a preferred embodiment of the invention in detail below with reference to Fig. 2 and Fig. 7.
Fig. 7 shows the movement state diagram of the state of the down maneuver that a base portion of the medicament dispenser shown in Fig. 2 carries out.
First, as shown in Figure 2, before user pressurization, piston 21 maintains down maneuver state by the elastic force of spring 34, thus enclosed shape be formed in lining 32 a side eduction port 323 and be formed at the upper end of the runner 221 of valve rod 22.
And, the tapered portion 222 of valve rod 22 be adjacent to stop in conjunction with the first inside face in conjunction with guide 141 of cylindrical shell 11 and the inside face of housing 12 medicament to moving or block outside dust or foreign matter in conjunction with the upper space of cylindrical shell 11, bacterium flows into housing 12 inside.
Like this, the present invention stops the pollution of the medicament that is stored in medicament dispenser inside, thereby can be as the distributing box that does not add the medicament of the anti fouling composition for preventing the pollution of medicine and addle.
Thus, the present invention needn't add anti fouling composition in the manufacturing process of medicament, thereby can save the expense on the time required in the manufacturing process of medicine, on material, and harmful effect human body being brought because of interpolation anti fouling composition can be prevented trouble before it happens.
As shown in Figure 7, if the flange 313 of the correct base portion 31 of user is exerted pressure and makes a base portion 31 carry out down maneuver, check valve 13 carries out by valve rod 22 pressure that down maneuver produces and moves downwards, and the inflow entrance 121 of closure casing 12.
Thus, the medicament of storage space 123 that is stored in housing 12 is along the runner 221 that is formed at valve rod 22 to discharge portion 30 side shiftings.
Like this, the pressure of the medicament that piston 21 is moved by the runner 221 along valve rod 22 and carry out vertical motion, thereby medicament moves to escape route 311 tops through eduction port 323 and the mobile runner 324 of lining 32, and move along space and droplet-shaped grooving 317 between the adjusting teat 325 of contamination preventing parts 33, lining 32, and discharge with drop state by discharge orifice 312.
Now, by be formed at the storage space 123 of housing 12 and the first regulating tank 124, the volume of the second regulating tank 125, the diameter that is formed at the eduction port 323 of lining 32, mobile runner 324 sectional area, regulate the size in space and the diameter of discharge orifice 312 etc. between teat 325 can regulate the amount of the medicament of being discharged by a down maneuver of a base portion 31.
Like this, thus the present invention arranges contamination preventing parts in escape route inside can prevent that the medicament of the inside upper part that remains in a base portion is contaminated.
And, compared with the occasion of spraying medicine, the present invention is formed as the diameter of discharge orifice large and forms droplet-shaped grooving in a base portion upper end, thereby reduces the discharge rate while discharging medicament and reduce discharge pressure and discharge velocity, thereby can discharge medicament with drop state.
If the pressure on escape route 311 tops is discharged and declined because of medicament, piston 21 re-starts down maneuver by the elastic force of spring 34 and seals runner 221 upper ends of valve rod 22.
And if the operating effort being applied on flange 313 is disengaged, a base portion 31 carries out vertical motion by the restoring force of elastomeric element 23, valve rod 22 also carries out vertical motion thereupon.
Now, produce suction at the storage space 123 of housing 12 inside, make check valve 13 carry out vertical motion and unlimited inflow entrance 121, thereby the medicament being stored in container flows into and be stored in housing 12 inside by pipe and inflow entrance 121.
On the other hand, exceed predefined set amount and flow into if flow into the medicament of housing 12 inside, the medicament that exceedes set amount is recycled in container by the first regulating tank 124 and the recovery mouth 126 of housing 12.
Then, user is by the number of times pressurization flange 313 that will discharge medicament, and medicament dispenser repeats illustrated process above and discharges medicament.
By process as above, the present invention can discharge the amount suitable with predefined amount with drop state by being stored in liquid pharmaceutical in container at every turn, and can block outside dust or foreign matter, bacterium inflow is stored in the medicament of medicament dispenser inside.
Below with reference to Fig. 8, another embodiment of the present invention is described.
Fig. 8 is the stereoscopic figure of another embodiment of the lining shown in Fig. 3.
Fig. 8 is another structure of the stereoscopic figure of the lining shown in Fig. 6, for the identical symbol of identical inscape note, omits its repeat specification.
In Fig. 8, can form and make the medicament of discharging by mobile runner 324 along the eddy channel 327 transmitting to discharge orifice 312 sides after the outer peripheral face rotation of lining 32 at the mobile runner 324 on top that is formed at lining 32.
Even if above-mentioned eddy channel 327 plays from the dust of external penetration or foreign matter or bacterium and flows into by discharge orifice 312, also move in increase the effect that sharply reduces moving velocity in the length of mobile route of container the process of rotating by eddy channel 327.
Thus, according to another embodiment of the present invention, can thoroughly block from the dust of the external penetration of medicament dispenser or foreign matter or bacterium and flow into and be stored in the medicament of medicament dispenser inside.
Specifically understand according to above-described embodiment the invention being completed by the inventor above, but the present invention is not limited to above-described embodiment, certainly, in the scope of its main idea of not overflowing, can carries out various changes.
Although utilize medicament to be illustrated at the present embodiment, the present invention is not limited thereto.
For example, the present invention not only can be applicable to pharmaceuticals, can also be applicable to various shape and multi-purpose fluid distributor that the fluid liquid being stored in as food or cosmetics in container is discharged with droplet morphology.
Specifically understand according to above-described embodiment the invention being completed by the inventor above, but the present invention is not limited to above-described embodiment, certainly, in the scope of its main idea of not overflowing, can carries out various changes.
In industry, utilize possibility as follows.
The present invention is applicable to discharge the amount suitable with predefined amount with drop state by being stored in liquid pharmaceutical in container at every turn, and blocks the medicament dispenser technology in the medicament that outside dust or foreign matter, bacterium inflow be stored in medicament dispenser inside.
Claims (11)
1. a medicament dispenser, it is blocked outside dust or foreign matter or bacterium inflow and is stored in inner medicament, and this medicament dispenser is characterized in that, comprising:
Be combined with the top of container and suck the sucting of the liquid pharmaceutical that is stored in internal tank;
Be combined with a side of above-mentioned sucting and carry out pump and twitch the pump of work and take out portion to discharge the mode of the medicament suitable with predefined amount; And
Be arranged at the discharge portion that said pump is taken out the upper end of portion and is formed with the discharge orifice that medicament is discharged with drop state at front end.
2. medicament dispenser according to claim 1, is characterized in that,
The said pump portion of taking out comprises:
Carry out the piston of lifting action with the lifting action of above-mentioned discharge portion;
Be connected in the valve rod of the lower end of above-mentioned piston; And
Be combined with the outside of above-mentioned valve rod and the elastomeric element of restoring force be provided to above-mentioned discharge portion,
Above-mentioned piston carries out vertical motion to pass through the runner medicament that transmit, suitable with predefined amount that is formed at above-mentioned valve rod inside to above-mentioned discharge orifice side in the time that above-mentioned discharge portion is carried out down maneuver, carries out afterwards the movement of down maneuver with blocking-up medicament.
3. medicament dispenser according to claim 2, is characterized in that,
Above-mentioned discharge portion comprises:
Base portion, is formed with discharge orifice in the top;
Lining, it is arranged in the escape route that is formed on above-mentioned base portion inside, and passes through the lifting action of above-mentioned piston and medicament that pump is taken out to above-mentioned discharge orifice side;
Spring, it is arranged between above-mentioned lining and piston and to piston elastic force is provided; And
Drop forming unit, it will be formed as drop to the medicament of above-mentioned discharge orifice transmission so that above-mentioned medicament is discharged with drop state.
4. medicament dispenser according to claim 3, is characterized in that,
Above-mentioned drop forming unit is made up of with the droplet-shaped grooving that is formed at above-mentioned base portion top lower surface the contamination preventing parts that are arranged between above-mentioned base portion top lower surface and lining top,
Above-mentioned contamination preventing parts are made in case to remain in the medicament of above-mentioned base portion inside upper part contaminated with the material of the material with sterilizing function,
Be formed with multiple adjusting teats in the upper end of above-mentioned lining, this adjusting teat regulates the amount of the medicament of discharging to discharge medicament suitable with predefined amount, drop state in the time once discharging.
5. medicament dispenser according to claim 4, is characterized in that,
Be formed with the vertical component effect in the flange of the pressurized operation by user and the outside, upper end of coated above-mentioned sucting in the bottom of above-mentioned base portion,
Be formed with the guide that forms above-mentioned escape route and the support component that supports this guide in the inside of above-mentioned base portion.
6. medicament dispenser according to claim 3, is characterized in that,
Outstandingly on the outer peripheral face of above-mentioned lining be formed with multiple combination ribs, this makes above-mentioned lining clamp-on the guide inside of a base portion in conjunction with rib when the above-mentioned lining of assembling and the base portion.
7. medicament dispenser according to claim 2, is characterized in that,
Above-mentioned sucting comprises:
In conjunction with cylindrical shell, it is combined with container upper end;
Housing, the bottom combination of itself and above-mentioned combination cylindrical shell, is formed with the inflow entrance that the medicament that is stored in container flows in the bottom of this housing; And
Check valve, it is arranged at bottom and the above-mentioned inflow entrance of switch of above-mentioned housing,
Be formed with the first regulating tank and second regulating tank of the amount that regulates the medicament flowing into enclosure interior at the inside face of above-mentioned housing.
8. medicament dispenser according to claim 7, is characterized in that,
Be formed with the medicament that exceedes predefined set amount is discharged to be recycled to the recovery mouth in container to above-mentioned outside in a side of above-mentioned housing.
9. medicament dispenser according to claim 7, is characterized in that,
Be provided with the guiding parts of the bottom institute combination of above-mentioned valve rod in the inside of above-mentioned combination cylindrical shell,
Above-mentioned guiding parts comprises:
The bottom institute combination of above-mentioned valve rod first in conjunction with guide;
Form in conjunction with the top of guide is connected with above-mentioned first second in conjunction with guide; And
Connect above-mentioned second in conjunction with guide with in conjunction with the link of cylindrical shell,
Above-mentioned link and second in conjunction with the space between guide the upper end in conjunction with above-mentioned housing.
10. medicament dispenser according to claim 9, is characterized in that,
Be formed with diameter in the bottom of above-mentioned valve rod and become large tapered portion towards lower end,
Above-mentioned tapered portion is in the time that above-mentioned valve rod carries out vertical motion and above-mentioned first be adjacent to prevent the movement of medicament in conjunction with the inner peripheral surface of guide.
11. medicament dispensers according to claim 3, is characterized in that,
Be formed with and the pump of the portion of taking out by pump twitched make the medicament that transmits to the mobile runner of discharge orifice side shifting and make the medicament that moves by above-mentioned mobile runner along the eddy channel to above-mentioned discharge orifice side transmission after the outer peripheral face rotation of above-mentioned lining at the outer peripheral face of above-mentioned lining
Said pump is taken out portion and eddy channel and is blocked outside dust or foreign matter or bacterium and flow into and be stored in inner medicament.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2013-0028641 | 2013-03-18 | ||
| KR1020130028641A KR101550698B1 (en) | 2013-03-18 | 2013-03-18 | Medicanent dispenser |
| KR1020130068511A KR101551192B1 (en) | 2013-06-14 | 2013-06-14 | Medicanent dispenser |
| KR10-2013-0068511 | 2013-06-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104058180A true CN104058180A (en) | 2014-09-24 |
| CN104058180B CN104058180B (en) | 2017-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410084310.6A Active CN104058180B (en) | 2013-03-18 | 2014-03-10 | Medicament dispenser |
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| Country | Link |
|---|---|
| JP (1) | JP5803046B2 (en) |
| CN (1) | CN104058180B (en) |
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| CN105148363A (en) * | 2015-07-27 | 2015-12-16 | 华东理工大学 | Spray administration device for treating pulmonary diseases |
| CN107995873A (en) * | 2015-06-12 | 2018-05-04 | Ap制药系统喷雾器电子处方有限公司 | Spray dispenser for nasal-cavity administration |
| CN109416033A (en) * | 2016-03-24 | 2019-03-01 | F·霍尔泽股份有限公司 | Metering pump and metering device for metering device |
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| CN112384306A (en) * | 2018-06-29 | 2021-02-19 | 阿普塔尔法国简易股份公司 | Fluid product dispenser |
| CN113289161A (en) * | 2020-02-24 | 2021-08-24 | 深圳麦克韦尔科技有限公司 | Medical vaporizer and method of controlling the same |
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| KR101897443B1 (en) * | 2018-07-09 | 2018-09-12 | 양경옥 | Medicant dispenser for the prevention infiltration frombacteria |
| WO2023149022A1 (en) * | 2022-02-01 | 2023-08-10 | 株式会社三谷バルブ | Spring, pump using same, and spray container |
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| CN113289161B (en) * | 2020-02-24 | 2023-08-01 | 深圳麦克韦尔科技有限公司 | Medical atomizer and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104058180B (en) | 2017-03-01 |
| JP2014193338A (en) | 2014-10-09 |
| JP5803046B2 (en) | 2015-11-04 |
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