The eyeshield of ocular movement machine
Technical field
The present invention relates to a kind of eyeshield of ocular movement machine, belong to eyes massage apparatus technical field.
Background technology
Ocular movement machine in the market generally is used for ciliary muscle in the eyeball is done adjustment movement (promptly regulating the optical axis wheelbase of eyeball) and outer six extraocular muscles of eyeball are done lengthwise movement.The eyeshield of the ocular movement machine of prior art comprises outer housing, bonnet, a pair of thin film, a pair of eyelet, a pair of eyepatch body, a pair of Connection Block and the governor motion of regulating spacing between two said eyepatch bodies; Said bonnet is fixed on the back side of outer housing, and said each thin film is fixed on the corresponding eyepatch body through an eyelet of correspondence respectively, and said each eyepatch body all is movably connected in a corresponding outer housing inside through a Connection Block of correspondence.
Eyepatch body has an air chamber; Form a cavity between the thin film of the air chamber of eyepatch body and correspondence; Eyepatch body has passage, and passage is communicated with air chamber, and eyepatch body is inhaled pressure device through trachea and ocular movement machine gas and linked to each other; Inhale pressure device gas transmission and air-breathing following repeatedly at gas, the thin film on the eyepatch body can outwards be heaved thereupon or cave in to the eyepatch body air chamber.When thin film outside expansible the time, film extrusion user eyeball; When thin film when the eyepatch body air chamber caves in because thin film and user eye are fitted fully, form vacuum, so eyeball can follow thin film to move together, soon eyeball is inhaled outward, so repeatedly.
Just often the optical axis of eyeball is longer than vision for myope's the eyeball optical axis, and the optical axis increases by one millimeter, and the number of degrees increase by 300 degree, obtain from clinical trial, if patient's the optical axis is revert to normal level, just can treat myopia effectively.So existing ocular movement machine is when the treatment myope, main purpose is exactly to shorten patient's the optical axis, makes the optical axis revert to normal length.
Can know from the structure of the eyeshield of above-mentioned ocular movement machine and the course of action of thin film, in the time of the film extrusion patient's eye on the eyeshield, in theory; Have and to play the curative effect that shortens patient's optical axis, but eyeshield is inhaled patient's eye, when just inhaling eyeball; Eyeball can be followed always outward; Up to the thin film stop motion, during actual the use, to a certain degree elongation patient's the optical axis on the contrary.Therefore, the eyeshield of existing ocular movement machine is pressed eyes and when inhaling two kinds of actions, is driven the motion of patient's eye, can promote the motion of patient's eye muscle to a certain extent, curative effect is preferably being arranged aspect tired alleviating eye.But can't reach the effect of the better shortening patient optical axis, therefore can not treat myopia effectively.
Summary of the invention
The technical problem that the present invention will solve is: provide a kind of and cooperate on the basis that ocular movement machine gas inhales pressure device; When alleviating myope's eye fatigue, can also shorten patient's optical axis effectively, make patient's optical axis return the eyeshield of the ocular movement machine of normal length.
The technical scheme that the present invention taked is: a kind of eyeshield of ocular movement machine, and it comprises the eyepatch body of outer housing, bonnet, a pair of thin film and a pair of band air chamber; Said bonnet is fixed on the back side of outer housing, and each thin film is separately fixed on the corresponding eyepatch body, and the eyepatch body bottom is connected with Connection Block, is provided with in the eyepatch body to avoid eyeball to follow the stopping means of thin film to the motion of air chamber direction when using always.
Eyepatch body and Connection Block are one-body molded, are provided with the installing hole that is communicated with the eyepatch body air chamber in the Connection Block.
Described stopping means comprises limited post, adjusting nut, locking nut and the bolt that is installed in the installing hole and is processed by soft material from the head that the installing hole opening is arranged to the installing hole bottom; Adjusting nut and locking nut screw simultaneously on bolt, and limited post bottom surface and adjusting nut outer face offset; Can change distance between said limited post end face and the thin film is 0 ~ 8mm.
Described bolt shank also is with the spring washer between adjusting nut and locking nut.
Said limited post head inner concavity spherical in shape.
Described Connection Block outer wall is arranged with first gas-tpe fitting and second gas-tpe fitting that communicates with installing hole and air chamber air-flow.
Described installing hole inner-end vertical eyepatch body inner bottom part, the bar subordinate end of limited post is engaged in the installing hole, and the head of limited post is positioned at air chamber, and the bar portion periphery of limited post is provided with is convenient to the air channel that air chamber communicates with the installing hole air-flow.
Also be provided with axial bar portion and head on the described limited post and be convenient to air chamber and the through hole of installing hole airflow connection.
Connect through trachea between first gas-tpe fitting on two Connection Blocks, connect through gas equalizing line between second gas-tpe fitting on two Connection Blocks.
The equal close-fitting in the inside of said trachea has spring.
The invention has the beneficial effects as follows: the present invention cooperates ocular movement machine gas to inhale on the basis of pressure device, when alleviating myope's eye fatigue, can also shorten patient's optical axis effectively, makes patient's optical axis return normal length.Eyepatch body just of the present invention is provided with stopping means, can avoid patient's eyeball to follow thin film always and move to the air chamber direction.
As improvement, eyepatch body and Connection Block are one-body molded, are provided with the installing hole that is communicated with the eyepatch body air chamber in the Connection Block.Eyepatch body and Connection Block are more reliable, can regulate the distance between two eyepatch bodies more accurately.
As improvement; Described stopping means comprises limited post, adjusting nut, locking nut and the bolt that is installed in the installing hole and is processed by soft material from the head that the installing hole opening is arranged to the installing hole bottom; Adjusting nut and locking nut screw simultaneously on bolt, and limited post bottom surface and adjusting nut outer face offset; Can change distance between said limited post end face and the thin film is 0 ~ 8mm.Can be according to the difference of the different myope myopia number of degrees, the distance of regulating between spacing combination end face and the thin film gets optical axis recurrence normal length with better recovery myope.
As improvement, described bolt shank also is with the spring washer between adjusting nut and locking nut.In the eyeshield use, can prevent better that locking nut is loosening, avoid influencing the stopping means height, make therapeutic effect better.
As improvement, said limited post head inner concavity spherical in shape.Eyeball props up the limited post head in the use, limited post head and eyeball form fit, and it is more comfortable to let eyeball fit.
As improvement, described Connection Block outer wall is arranged with first gas-tpe fitting and second gas-tpe fitting that communicates with installing hole and air chamber air-flow.Be symmetrical set one of two trachea helping being connected on the Connection Block on one side; Regulate in using like this between two eyepatch bodies apart from the time trachea be not easy to take place folding, make air-flow more smooth and easy, two eyepatch bodies are tilted; Thin film and eye are fitted tightr, use more comfortable.
As improvement, described installing hole inner-end vertical eyepatch body inner bottom part, the bar subordinate end of limited post is engaged in the installing hole, and the head of limited post is positioned at air chamber, and the bar portion periphery of limited post is provided with is convenient to the air channel that air chamber communicates with the installing hole air-flow.Better guarantee that air chamber communicates with air-flow between the installing hole.
As improvement, also be provided with axial bar portion and head on the described limited post and be convenient to air chamber and the through hole of installing hole airflow connection.Guarantee that thin film and limited post head fit tightly.
As improvement, connect through trachea between first gas-tpe fitting on two Connection Blocks, connect through gas equalizing line between second gas-tpe fitting on two Connection Blocks.Air pressure between two eyepatch bodies of ability balance is eliminated draught head like this.
As improvement, the equal close-fitting in the inside of said trachea has spring.It is perhaps folding to prevent that trachea from curling, and has guaranteed that trachea is unobstructed.
Description of drawings
Fig. 1 is an exploded perspective view of the present invention.
Fig. 2 is eyepatch body of the present invention and Connection Block sketch map.
Fig. 3 is eyepatch body of the present invention and Connection Block cut-away diagram.
Fig. 4 is a stopping means part sketch map of the present invention.
Fig. 5 is that stopping means of the present invention is assemblied in sketch map in eyepatch body and the Connection Block.
Fig. 6 is a limited post cutaway view of the present invention.
Fig. 7 is a limited post cutaway view of the present invention.
Fig. 8 is the schematic internal view after the present invention assembles.
Fig. 9 is that tooth bar is installed in the schematic top plan view in the outer housing.
Shown in the figure, 1, outer housing, 2, bonnet, 3, thin film, 4, eyelet, 5, eyepatch body, 5.1, air chamber; 6, Connection Block, 6.1, installing hole, 6.2, first gas-tpe fitting, 6.3, second gas-tpe fitting, 7, trachea, 8, tooth bar, 9, adjusting gear; 9.1, pinion, 10, the tooth bar installing plate, 11, gas equalizing line, 12, limited post, 12.1, air channel, 12.2, through hole; X, distance, 13, adjusting nut, 14, locking nut, 15, bolt, 16, spring shim, 17, the space.
The specific embodiment
Be described further below in conjunction with the eyeshield of accompanying drawing ocular movement machine of the present invention.
Like Fig. 1-shown in Figure 9, the eyeshield of a kind of ocular movement machine of the present invention, it comprises the eyepatch body 5 of outer housing 1, bonnet 2, a pair of thin film 3 and a pair of band air chamber 5.1, it also comprises a pair of eyelet 4; Said bonnet 2 is fixed on the back side of outer housing 1, and each thin film 3 is separately fixed on the corresponding eyepatch body 5, is meant that each thin film 3 is fixed on the corresponding eyepatch body 5 through an eyelet 4 of correspondence respectively, and eyepatch body 5 bottoms are connected with Connection Block 6; Main improvement of the present invention is: be provided with in the eyepatch body 5 and avoid eyeball to follow the stopping means of thin film 3 to the motion of air chamber 5.1 directions when using always.
Another improvement of the present invention, eyepatch body 5 is one-body molded with Connection Block 6, is provided with the installing hole 6.1 that is communicated with eyepatch body 5 air chambers 5.1 in the Connection Block 6.The installing hole 6.1 of present embodiment is designed to shoulder hole.
Described stopping means comprises limited post 12, adjusting nut 13, locking nut 14 and the bolt 15 that is installed in the installing hole 6.1 and is processed by soft material from the head that installing hole 6.1 openings are arranged to installing hole 6.1 bottoms; Adjusting nut 13 screws on bolt 15 with locking nut 14 simultaneously, and limited post 12 bottom surfaces and adjusting nut 13 outer faces offset; In actual the use, adjusting nut 13 is suspended in bolt 15 bar portion tops, and bolt 15 bar portion screw threads are not exposed at outside the adjusting nut 13, and are as shown in Figure 4.It is as shown in Figure 5 that adjusting device is installed concrete structure.Can change distance X between said limited post 12 end faces and the thin film 3 is 0 ~ 8mm, and just 13 distances that can regulate of adjusting nut are 0-10mm.
Described stopping means is the limited post 12 that head is processed by soft material.In conjunction with Fig. 6 and shown in Figure 7.Soft material can be silica gel.
Described bolt 15 bar portions also are with the spring washer 16 between adjusting nut 13 and locking nut 14.Prevent between adjusting nut 13 and the locking nut 14 loosening.
Said limited post 12 heads inner concavity spherical in shape.Be fit to eyeball front end shape, make eyeball more comfortable when being fitted in limited post 12 heads.With reference to Fig. 6 and shown in Figure 7, four angles, the bottom of limited post 12 are to extending below, and such purpose is for limited post 12 and adjusting nut 13 can form gap 17 when inconsistent, in conjunction with shown in Figure 5.The effect in gap 17 is to be convenient to gas be back to when inhaling pressure device from air chamber 5.1, keeps the through hole 12.2 of limited post 12 unobstructed, helps recess in the head sphere that thin film 3 is fitted in limited post 12.
Another improvement of the present invention, described Connection Block 6 outer walls are arranged with first gas-tpe fitting 6.2 and second gas-tpe fitting 6.3 that communicates with installing hole 6.1 and air chamber 5.1 air-flows, in conjunction with shown in Figure 2.
Described installing hole 6.1 inner-end vertical eyepatch bodies 5 inner bottom parts; The bar subordinate end of limited post 12 is engaged in the installing hole 6.1; The head of limited post 12 is positioned at air chamber 5.1, and the bar portion periphery of limited post 12 is provided with is convenient to the air channel 12.1 that air chamber 5.1 communicates with installing hole 6.1 air-flows.Guarantee that the gas in the installing hole 6.1 communicates through air channel 12.1 with air chamber 5.1.
Also be provided with axial bar portion and head on the described limited post 12 and be convenient to the through hole 12.2 of air chamber 5.1 and installing hole 6.1 airflow connections.When thin film 3 moved toward air chamber 5.1 directions, thin film 3 parts were fitted in the head of limited post 12, because the head inner concavity spherical in shape of limited post 12 has had through hole 12.2, thin film 3 can be pull-in on the surface of spherical indent by through hole 12.2 air-flows.
Connect through trachea 7 between first gas-tpe fitting 6.2 on two Connection Blocks 1; In conjunction with shown in Figure 1; The middle part of trachea 7 is provided with an interface; Inhale pressure device with ocular movement machine gas and be connected, gas footpath trachea 7 gets into the air chamber 5.1 of two eyepatch bodies 5 simultaneously, perhaps simultaneously gas is sucked out from air chamber 5.1.This part is the same with existing ocular movement machine.The pipe air-flow that gas on the middle part of trachea 7 and the ocular movement machine is inhaled pressure device interlinks then, and the gas that gas is inhaled the pressure device generation can enter in the air chamber 5.1 of two eyepatch bodies 5 through trachea 7 simultaneously.Just gas is inhaled pressure device through the variations in flow of pipe with trachea 7 drive eyepatch bodies 5 gases, is controlling thin film 3 on the eyepatch body 5 and is heaving or cave in.
Connect through gas equalizing line 11 between second gas-tpe fitting 6.3 on two Connection Blocks 1.Guarantee the air balance in the 2 air chambers 5.1.
The equal close-fitting in the inside of said trachea 7 has spring.Do not draw among the figure.
The eyeshield that the eyeshield of the present invention's design is compared in the market has the effect that can shorten myope's optical axis; Obtain from clinical confirmation, the every elongation of optical axis 1mm, myopia increases by 300 °; Therefore the eyeshield of the present invention's design is a purpose with the optical axis that shortens the patient; Thereby it is normal to make that vision returns, and this is that all ocular movement machine eyeshield institutes are irrealizable, also unexpected at present.
Operation principle of the present invention is: according to user's myopia number of degrees, the reckoning optical axis is compared normal level what has been elongated, and regulates limited post 12 tops of stopping means and the distance X between the thin film 3 then.Be to regulate like this, at first take off thin film 3, pull up limited post 12 from installing hole 6.1 then, adjusting nut 13, locking nut 14 bolts 15 and the spring shim 16 that will be positioned at installing hole 6.1 are again poured out.With reference to shown in Figure 5, because the distance between installing hole 6.1 bottom surfaces and the thin film 3 and the length of limited post 12 all confirms, therefore; Confirm the distance between limited post 12 upper surfaces and the thin film 3 like need, only need measure the distance between adjusting nut 13 upper surfaces and the bolt 15 medicated cap end surfaces, with reference to state position shown in Figure 4; Turn adjusting nut 13; Measurement reaches after the Len req, tightens locking nut 14, puts back to then in the installing hole 6.1 of Connection Block 6; Again limited post 12 is inserted and can to installing hole 6.1, thin film 3 be put back on the eyepatch body 5.
After the distance X that regulates between limited post 12 upper surfaces and the thin film 3; The gas suction pressure device that starts on the ocular movement machine enters into the gas that produces in the installing hole 6.1 through pipe and trachea 7 footpaths first gas-tpe fitting 6.2; Air channel 12.1 from limited post 12 enters in the air chamber 5.1 of eyepatch body 5 with through hole 12.2 then; Thin film 3 pushes the user eye then along with heaving.When the gas on the ocular movement machine is inhaled pressure device resorption gas; Gas in the air chamber 5.1 is got back to gas and is inhaled in the pressure device through air channel 12.1, through hole 12.2, first gas-tpe fitting 6.2, trachea 7, pipe, this moment thin film 3 toward the motion of air chamber 5.1 directions, the eyeball of user is and then thin film 3 motions also; But owing in the eyepatch body 5 of the present invention stopping means is arranged; Before thin film 3 stop motions, the eyeball of user is just worked as on the head (upper surface) of limited post 12, in order to avoid eyeball continues to follow thin film 3 motions; A course of action that comes to this is equivalent at the optical axis that shortens eyeball.
Can be obtained by said structure and course of action, the present invention has had after the stopping means, sees from practical effect, is the curative effect that eyeshield is beyond one's reach on present all ocular movement machines.Existing ocular movement machine and the eyeshield on it are used, and can only alleviate eye fatigue to user, promote the ocular blood circulation, but can not make the optical axis of user return normal effectively.Revert to normal length and the present invention can treat and correct the optical axis of user effectively, have the effect of highly significant.
In addition, in the present embodiment, it also comprises the governor motion that can regulate spacing between two said eyepatch bodies 5 simultaneously the present invention, and said two Connection Blocks 6 all flexibly connect with governor motion.
Said governor motion comprises two tooth bars that laterally arrange 8, an adjusting gear 9 and a tooth bar installing plate 10; Said two toothed rack, 8 difference sliding fits are in two pits of outer housing 1 inside; Said tooth bar installing plate 10 is located between tooth bar 8 and the Connection Block 6 and is fixed in the outer housing 1; One end of said adjusting gear 9 also is provided with pinion 9.1, and the through hole that said pinion 9.1 passes tooth bar installing plate 10 is rotatably connected on outer housing 1 inside, pinion 9.1 on the said adjusting gear 9 and 8 engagements of two toothed rack; The top of said adjusting gear 9 is positioned at outside the top of outer housing 1; That is to say that adjusting gear 9 parts reveal outside the outer housing 1 again, be convenient to user's rotation, to regulate the distance between two eyepatch bodies 5.Said each Connection Block 6 sliding fit respectively also flexibly connects with a corresponding tooth bar 7 respectively at an end of tooth bar installing plate 10; It is the through hole that an end of each tooth bar 8 also is provided with radial opening; The end of each Connection Block 6 is provided with radial protrusion and runs through through hole; The maximum outside diameter of said radial protrusion is greater than the internal diameter of through hole, and an end of the end through hole of this tooth bar 7 is interior concave spherical surface, and the end of Connection Block 6 also is a sphere; Connection Block 6 is that bulb is connected with the end of tooth bar 7 like this, makes the rotation of Connection Block 6 multi-angles.
During adjusting, rotate adjusting gear 9, two toothed rack 8 are slided in two pits of outer housing 1 inside simultaneously; Do in opposite directions and move; To the center of outer housing 1 or to two side shiftings, two toothed rack 8 drive Connection Block 6 and move simultaneously, and Connection Block 6 drives eyepatch body 5 move left and right simultaneously again.
Stopping means of the present invention can also have other variation; Such as just only in installing hole 6.1, placing limited post 12; Distance X between limited post 12 heads (upper surface) and the thin film 3 has just been confirmed like this; Regulate the distance X between limited post 12 heads (upper surface) and the thin film 3 like need, can only change the limited post 12 of different length.