CN102537563B - Rapid hose connection device and disassembly method for same - Google Patents
Rapid hose connection device and disassembly method for same Download PDFInfo
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- CN102537563B CN102537563B CN 201010622814 CN201010622814A CN102537563B CN 102537563 B CN102537563 B CN 102537563B CN 201010622814 CN201010622814 CN 201010622814 CN 201010622814 A CN201010622814 A CN 201010622814A CN 102537563 B CN102537563 B CN 102537563B
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Abstract
A rapid hose connection device is characterized by comprising a hose, a female connection sleeve and an adapter sleeve. Male joints are arranged on orifices at two ends of the hose, two ends of the female connection sleeve are provided with openings, each male joint is provided with a bump, the two openings of the female connection sleeve are matched with the bumps of the male joints, a fixture groove is further arranged in the female connection sleeve, a fixture is placed in the fixture groove, the adapter sleeve is sleeved outside the female connection sleeve, and a groove is arranged at the bottom of the adapter sleeve and used for containing the fixture. A disassembly method for the rapid hose connection device includes the steps: 1 pushing the adapter sleeve towards the hose clamped in the stationary fixture; 2 pulling out the hose clamped in the openable fixture; and 3 pushing the adapter sleeve back to an original position. By the aid of the rapid hose connection device and the disassembly method, tightness of hose connection is ensured, connection is simple, disassembly is quite convenient, and the workload of operators is greatly relieved.
Description
Technical field
The present invention relates to the pipe joint technical field, relate in particular to a kind of rapid hose connection device with and method for dismounting.
Background technique
Flexible pipe is widely used in a lot of fields as liquid delivery tube part at present commonly used, and in order to adapt to different industrial production environments, businessman tends to flexible pipe two end interfaces are made and are easy to the structure connected, and to meet different user's requests, is conveniently connected.
Along with the progress of technology, the Placement of flexible pipe is maked rapid progress, and wherein, increasing people wishes that the connection of flexible pipe can simple and fast, by shirtsleeve operation, just can connect or dismantle flexible pipe.
For this problem, many businessmans have released flexible pipe connection scheme separately, but, due to the Transfer pipe of flexible pipe as liquids such as liquid, it has very high requirement to the sealing between hose connection, and this difficult problem that a lot of low-cost connection schemes face at present often, although the part flexible pipe connection scheme on market has solved the problem of sealing, the shortcoming that dismounting flexible pipe trouble is but arranged, this just can't meet the simple purpose of using of flexible pipe.
The patent of invention that China Patent Publication No. is CN101036018A discloses a kind of hose connection device, this invention utilizes a fixture that hose end is fixed on the hose transition part, a restraint zone is anchored on the flexible pipe outer surface described fixture, its shortcoming is to meet the user demand of hose connection device fast assembling-disassembling.
Therefore, providing a kind of can connect fast, carries out simple operations detachable, and the quick connection interface of flexible pipe of favorable sealing property and corresponding method for dismounting just seem particularly important simultaneously.
Summary of the invention
The objective of the invention is to solve the quick connectivity problem of flexible pipe, can just can dismantle by simple operations, guarantee the sealing of flexible pipe joint simultaneously, to adapt to the liquid and other medium transmission.
According to an aspect of the present invention, provide a kind of rapid hose connection device, wherein, comprise flexible pipe, female connecting sleeve, the two ends mouth of pipe of described flexible pipe is tool joint pin, described female connecting sleeve two ends have opening, and tool joint pin has a projection, and two openings and the tool joint pin projection of female connecting sleeve mate mutually; Also be provided with the fixture groove in described female connecting sleeve, fixture is placed in described fixture groove; Also comprise an adapter sleeve, described adapter sleeve is enclosed within outside described female connecting sleeve, and the bottom slot of described adapter sleeve, for holding described fixture.
Above-mentioned rapid hose connection device, it is characterized in that, the bottom slot of described adapter sleeve becomes two skewed slots, described fixture comprises can open fixture, the described fixture of opening is that a U-shaped pin processes, two stitch tail ends and the horseshoe clamp face of U-shaped pin approaches vertical, and two stitch tail ends of described U-shaped pin are inserted in respectively in two skewed slots of described adapter sleeve bottom.
Above-mentioned rapid hose connection device, wherein, described fixture comprises mounting fixture, and described mounting fixture is a U-shaped pin, and the U-shaped pin vertically inserts the fixture groove on described female connecting sleeve, and the mounting point of described mounting fixture is near the described U-shaped end of opening fixture.
Above-mentioned rapid hose connection device, wherein, described mounting fixture is identical with the described jaws width of opening fixture, and the public access head end of described flexible pipe is provided with snap ring, and described snap ring external diameter is slightly larger than the jaws width of described fixture.
Above-mentioned rapid hose connection device, wherein, the jointing cover of the public access head end of described flexible pipe has rubber washer, and after two flexible pipes insert in described female connecting sleeve, the rubber washer at described two hose connection places can the female connecting sleeve inwall of close contact.
Above-mentioned rapid hose connection device, wherein, the fixture groove of described female connecting sleeve is provided with open notch at the described fixture U-shaped stitch place that opens of correspondence, described U-shaped stitch is contained in described open notch, and described notch and radial section form a chamfering, with restriction U-shaped stitch, expand laterally.
Above-mentioned rapid hose connection device, wherein, bottom two skewed slots of described adapter sleeve are slightly larger than the external diameter of snap ring on described flexible pipe near the spacing of described female connecting sleeve end, spacing between the other end equals the jaws width of fixture, make described two stitch of opening fixture U-shaped pin can be inserted in the bottom slot of described adapter sleeve, and regulate spacing between U-shaped pin two stitch by moving forward and backward of adapter sleeve.
Above-mentioned rapid hose connection device, wherein, described female connecting sleeve is the stainless steel manufacture.
According to a further aspect of the invention, a kind of method for dismounting of rapid hose connection device also is provided, described rapid hose connection device can be opened fixture by one and block respectively two flexible pipe ports with a mounting fixture and be connected, one bottom has skewed slot and holds the described described switching of opening fixture of adapter sleeve control of opening fixture, wherein, comprise the steps:
1. promote described adapter sleeve to the direction that is stuck in flexible pipe in described mounting fixture;
2. extract out and be stuck in the described flexible pipe of opening in fixture;
3. push back described adapter sleeve to original position;
What wherein, promote adapter sleeve in described step 1 is the skewed slot opened of described adapter sleeve bottom projected length value in the vertical apart from length value.
The present invention is simple in structure, and part replacement is convenient, and material with low cost is a kind of economical rapid hose connection device that can use for a long time, and not smart reliability is high, simultaneously appearance looks elegant.
Major advantage of the present invention is embodied in:
Quick connection aspect, make by the snap ring that arranges on soft mouthful of place's public access mouth of flexible pipe and fixture in female connecting sleeve being connected that flexible pipe can be fast and convenient;
The Simple detachable aspect, can break away from female connecting sleeve easily by the public access mouth that is arranged so that can open fixture;
The sealing aspect, the rubber band by flexible pipe mouth of pipe place guarantees the sealing between two flexible pipes in female connecting sleeve.
The accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that the present invention and feature thereof, profile and advantage will become, wherein:
Fig. 1 shows according to first embodiment of the invention, each block diagram of a kind of rapid hose connection device;
Fig. 2 shows according to first embodiment of the invention, the plan view of annexation between a kind of hose connection of rapid hose connection device and female connecting sleeve;
Fig. 3 shows according to first embodiment of the invention, the side view of annexation between a kind of adapter sleeve of rapid hose connection device and female connecting sleeve;
Fig. 4 shows according to first embodiment of the invention, a kind of side sectional view of rapid hose connection device;
Fig. 5 a shows according to first embodiment of the invention, a kind of worm's eye view of adapter sleeve of rapid hose connection device;
Fig. 5 b shows according to second embodiment of the invention, a kind of worm's eye view of adapter sleeve of rapid hose connection device;
Fig. 5 c shows according to third embodiment of the invention, a kind of worm's eye view of adapter sleeve of rapid hose connection device;
Fig. 6 a to Fig. 6 d shows according to fourth embodiment of the invention, a kind of demounting procedure schematic diagram of rapid hose connection device; And
The local enlarged diagram that Fig. 7 is Fig. 6 b.
Embodiment
Below in conjunction with specification drawings and specific embodiments, rapid hose connection device of the present invention and corresponding method for dismounting are described in more detail.
Fig. 1 shows according to first embodiment of the invention, each block diagram of a kind of rapid hose connection device.Particularly, comprise flexible pipe 101 and flexible pipe 102, female connecting sleeve 3, mounting fixture 201, can open fixture 202 and adapter sleeve 4.Further, be provided with clip groove on female connecting sleeve 3 and prevent fixture, flexible pipe 101 and flexible pipe 102 are inserted in the two ends of female connecting sleeve 3, the stitch of mounting fixture 201 and Ke Kai fixture 202 contacts respectively and clamps flexible pipe 101 and flexible pipe 102 by the clip groove on female connecting sleeve 3, and adapter sleeve 4 is enclosed within on female connecting sleeve.
With reference to figure 2, projection 199 is positioned at flexible pipe 102 public access head ends, as shown in Figure 1, flexible pipe 101 is identical with the tool joint pin end structure of flexible pipe 102, and two openings of female connecting sleeve and tool joint pin projection 199 mate mutually, further, the head diameter of projection 199 is less, becomes a taper projection.
In a preference, the outer surface of adapter sleeve 4 is processed into shape of threads, with the time can increase the friction avoid skidding.Further, the two ends symmetry of flexible pipe, flexible pipe 101 as shown in Figure 1 and the mouth of pipe of flexible pipe 102 are arranged to identical public access mouth, those skilled in the art understand, the flexible pipe of identical public access mouth is conducive to reduce manufacture cost, can avoid operator to spend unnecessary energy when selecting the different flexible pipe mouth of pipe simultaneously.
More specifically, in a preference, mounting fixture 201 is the U-shaped pin, can open fixture 202 and process for the U-shaped pin, and wherein, the two stitch tail end stone columns that can open the U-shaped pin of fixture 202 fold with the horseshoe clamp face and are 90 °.
Fig. 2 shows according to first embodiment of the invention, the plan view of annexation between a kind of hose connection of rapid hose connection device and female connecting sleeve.Flexible pipe tool joint pin place projection 199 parts shown in Fig. 1 have been amplified, each block diagram in conjunction with the rapid hose connection device shown in Fig. 1, in embodiment illustrated in fig. 2, mounting fixture 201 with can open fixture 202 and be arranged on female connecting sleeve 3, wherein, the clip groove shape of corresponding mounting fixture 201 and Ke Kai fixture 202 respectively is set on female connecting sleeve 3 to obtain, particularly, in conjunction with the female connecting sleeve side view shown in Fig. 3, mounting fixture groove 301 and Ke Kai clip groove 302 (with reference to figure 3) are arranged on the upper end tube wall of female connecting sleeve, mounting fixture groove 301 width are slightly larger than two stitch distances of mounting fixture 201, can open clip groove 302 is U-groove bevel in the plan view shown in Fig. 2, the cell body width of the U-shaped stitch installation place on its both sides is more bigger than the pin diameter that can open fixture 202, while making two stitch that can open fixture 202 to open to both sides under the pressure effect when flexible pipe 101 inserts, female connecting sleeve 3 does not limit the activity space of the stitch that can open fixture 202.
In one embodiment, mounting fixture 201 is identical with the jaws width that can open fixture 202, the public access head end of flexible pipe 101 is provided with snap ring 112, and the external diameter of snap ring 112 is slightly larger than the jaws width of described fixture, preferably, snap ring 112 can be as shown in Figure 2, be certain gradient for the one side of inserting fixture, another limit is set to annular groove, and such design facilitates the public access mouth to insert fixture, and can avoid loosening, more difficult extracting.
Further, as shown in the figure, the female connecting sleeve 3 that can open two stitch places of fixture 202 is provided with vertical groove 312, and groove 312 is α for the angle value between represented the clip groove 302 and end face female connecting sleeve 3 of Fig. 3.Those skilled in the art understand, when firmly extracting flexible pipe, the value of α should guarantee to open fixture 202 and withstand under the effect of snap ring 112 on groove 312 inwalls, under this active force, the groove 312 that is the α angle with end face can effectively be clamped and can open fixture 202 and prevent that its two stitch from opening to both sides, makes to open fixture 202 and can keep clamped condition.Like this, the setting of groove 312 just can be played the effect of self-locking, makes can open fixture 202 keep clamped condition when not being applied in external force, and further, the value of α also should guarantee that the stitch that can open fixture 202 has enough activity spaces when opening.Preferably, the value of α is π/12.
In a preference, mounting fixture groove 301 is the T font, as shown in Figure 2, after facilitating mounting fixture 201 to be arranged on female connecting sleeve 3, take out, can open clip groove 302 and also can be changed to according to specific needs other shapes, meet the function that chucking position is fixed and get final product, not repeat them here.
Preferably, the jointing cover of the public access head end of flexible pipe 101 have rubber washer 111, two flexible pipes insert female connecting sleeve 3 interior after, the rubber washer 111 at described two hose connection places can close contact the inwall (as shown in Figure 4) of female connecting sleeve 3.
Fig. 3 shows according to first embodiment of the invention, the side view of annexation between a kind of adapter sleeve of rapid hose connection device and female connecting sleeve.Wherein, above-described embodiment relates to mounting fixture groove 301 and Ke Kai clip groove 302 figure 3 illustrates lateral parts.Mounting fixture 201 and Ke Kai fixture 202 are placed in described fixture groove, and an adapter sleeve 4 is enclosed within on described female connecting sleeve, and the bottom slot 401 of adapter sleeve 4 entangles the described fixture 202 of opening.
In a preference, mounting fixture groove 301 bottom correspondences on female connecting sleeve 3 are provided with through hole 311 (in Fig. 3 on female connecting sleeve 3 through hole of opposite side not shown), make mounting fixture 201 when mounted, two stitch can be inserted in through hole 311 easily, thereby leave the larger upper deviation to the processing dimension of Fitment 201, avoid can't being inserted in the mounting fixture groove 301 on female connecting sleeve 3 because the stitch of mounting fixture 201 is long.
Further, in conjunction with the sectional drawing shown in Fig. 4, it is more smaller than the external diameter that is provided with the end that can open clip groove that female connecting sleeve 3 arranges the external diameter of an end of mounting fixture groove, and making adapter sleeve 4 be enclosed within on female connecting sleeve can only promote to the mounting fixture direction.
In one embodiment, female connecting sleeve 3 adopts the stainless steel manufacture, makes greatly to extend the working life of female connecting sleeve 3.
Fig. 4 shows according to first embodiment of the invention, a kind of side sectional view of rapid hose connection device.Particularly, flexible pipe 102 is inserted in female connecting sleeve 3, and adapter sleeve 4 is enclosed within on female connecting sleeve.Further, the external frame of the public access mouth of the corresponding flexible pipe 102 of the inner wall shape of female connecting sleeve 3, make flexible pipe 102 insert in female connecting sleeve 3 inwall of female connecting sleeve 3 of can fitting, closer, described flexible pipe is inserted in female connecting sleeve 3, the mouth of pipe does not contact, and to avoid long-term plug, damages the mouth of pipe, and the port that is enclosed within described public access mouth by nested rubber band guarantees the sealing that flexible pipe connects.
Fig. 5 a shows according to first embodiment of the invention, a kind of worm's eye view of adapter sleeve of rapid hose connection device.Particularly, the bottom of adapter sleeve 4 is provided with symmetrical skewed slot 401, female connecting sleeve 3 is visible, the cell wall that fixture 202 can be opened for promotion in skewed slot 401 both sides is the setting of certain inclination angle as shown in the figure, in a preferred embodiment, the angle at described inclination angle is 45 °, and two stitch that can open fixture 202 are inserted in respectively in two skewed slots 401.Further, two skewed slots 401 are slightly larger than the external diameter of snap ring 112 on described flexible pipe near the spacing of female connecting sleeve 3 ends, spacing between the other end equals the jaws width of fixture, those skilled in the art understand, when adapter sleeve 4 slides, can open two stitch of fixture 202 and open gradually, regulate spacing between U-shaped pin two stitch by moving forward and backward of adapter sleeve, make the tool joint pin that is inserted in the described flexible pipe in female connecting sleeve 3 no longer can be opened fixture 202 and clamp, conveniently extract.
Fig. 5 b shows according to second embodiment of the invention, a kind of worm's eye view of adapter sleeve of rapid hose connection device.Be different from Fig. 5 a, in the present embodiment, the skewed slot 401 of the bottom of adapter sleeve 4 is integral design, the cell wall that fixture 202 can be opened for promotion in both sides is circular arc, make the stitch of fixture 202 can keep softened state when opening, comparison diagram 5a and Fig. 5 b, those skilled in the art understand, arranging of skewed slot 401 must guarantee that the cell wall that fixture 202 can be opened for promotion in its both sides opens wide to both sides gradually, makes the stitch that can open fixture 202 to regulate and to open or clamped condition by the slip of adapter sleeve.
Fig. 5 c shows according to third embodiment of the invention, a kind of worm's eye view of adapter sleeve of rapid hose connection device.In the present embodiment, skewed slot 401 is set to fillet shape, the stitch that can open fixture 202 just is inserted in skewed slot 401, those skilled in the art understand, the variation of the shape of skewed slot 401 does not affect the enforcement of the present embodiment, according to prior art, can also adopt other different shapes for skewed slot 401, do not repeat them here.
Fig. 6 a to Fig. 6 d shows according to fourth embodiment of the invention, a kind of demounting procedure schematic diagram of rapid hose connection device.Particularly, in conjunction with the embodiment of the rapid hose connection device shown in above-mentioned Fig. 1 to Fig. 5, it will be appreciated by those skilled in the art that according to the demounting procedure shown in Fig. 6 a to Fig. 6 d, can take simply and easily described rapid hose connection device apart.
At first, with reference to the direction of arrow shown in figure 6a, execution step a: to the mounting fixture direction, promote adapter sleeve.Wherein, in conjunction with Fig. 5 a and the shown adapter sleeve bottom schematic view of Fig. 5 b, what it will be appreciated by those skilled in the art that the promotion adapter sleeve should be the chute length projected length in the vertical on adapter sleeve 4 bottoms apart from length value dL.
Then, just obtained view as shown in Figure 6 b.Particularly, with reference to figure 7, adapter sleeve 4, in the effect lower slider of thrust, exposes female connecting sleeve 3, exposed length is dL, when the chute wall of adapter sleeve 4 bottoms is slided, promote to open in the guide rail on the female connecting sleeves 3 of two stitch of fixture 202 strut to stitch 202 ' position.In conjunction with annexation schematic diagram between the hose connection shown in Fig. 2 and female connecting sleeve, it will be appreciated by those skilled in the art that shown in Fig. 6 b in rapid hose connection device, can open fixture 202 not at the snap ring pinned on flexible pipe public access mouth.It will be appreciated by those skilled in the art that by execution step a, can be that the fixture 202 of opening of the present invention is opened automatically, convenient and swift.Now, with reference to the direction of arrow shown in Fig. 6 b, execution step b: extract out and be stuck in the flexible pipe that can open in fixture.
Finally, Fig. 6 c is the schematic diagram after rapid hose connection device is taken apart, now, also does not restore the position of adapter sleeve 4, can open two stitch of fixture 202 in open mode, the long-term state that keeps adapter sleeve 4 to open can opening fixture 202 may be too early the clamping force that can open fixture 202 that makes lost efficacy, for extending working life of the present invention, execution step c: push back described adapter sleeve to original position.
So the schematic diagram when having obtained the rapid hose connection device shown in Fig. 6 d and not connecting, now, with reference to the direction of arrow shown in Fig. 6 d, can be inserted into flexible pipe in female connecting sleeve 3 fast.
It should be appreciated by those skilled in the art that those skilled in the art can realize described variation example in conjunction with prior art and above-described embodiment, do not repeat them here.Such variation example does not affect flesh and blood of the present invention, does not repeat them here.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and the equipment of wherein not describing in detail to the greatest extent and structure are construed as with the common mode in related domain to be implemented; Those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (6)
1. a rapid hose connection device, is characterized in that, comprises flexible pipe, female connecting sleeve, and the two ends mouth of pipe of described flexible pipe is tool joint pin, and described female connecting sleeve two ends have opening, and tool joint pin has a projection, and two openings and the tool joint pin projection of female connecting sleeve mate mutually; Also be provided with the fixture groove in described female connecting sleeve, fixture is placed in described fixture groove; Also comprise an adapter sleeve, described adapter sleeve is enclosed within outside described female connecting sleeve, and the bottom slot of described adapter sleeve, for holding described fixture; The bottom slot of described adapter sleeve becomes two skewed slots, described fixture comprises can open fixture, the described fixture of opening is that a U-shaped pin processes, and two stitch tail ends and the horseshoe clamp face of U-shaped pin approaches vertical, and two stitch tail ends of described U-shaped pin are inserted in respectively in two skewed slots of described adapter sleeve bottom; Described fixture comprises mounting fixture, and described mounting fixture is a U-shaped pin, and the U-shaped pin vertically inserts the fixture groove on described female connecting sleeve, and the mounting point of described mounting fixture is near the described U-shaped end of opening fixture; The fixture groove of described female connecting sleeve is provided with open notch at the described fixture U-shaped stitch place that opens of correspondence, and described U-shaped stitch is contained in described open notch, and described notch and radial section form a chamfering, with restriction U-shaped stitch, expands laterally.
2. rapid hose connection device according to claim 1, is characterized in that, described mounting fixture is identical with the described jaws width of opening fixture, and the public access head end of described flexible pipe is provided with snap ring, and described snap ring external diameter is slightly larger than the jaws width of described fixture.
3. according to the described rapid hose connection device of any one in claim 1 to 2, it is characterized in that, the jointing cover of the public access head end of described flexible pipe has rubber washer, and after two flexible pipes insert in described female connecting sleeve, the rubber washer at described two hose connection places can the female connecting sleeve inwall of close contact.
4. rapid hose connection device according to claim 2, it is characterized in that, bottom two skewed slots of described adapter sleeve are slightly larger than the external diameter of snap ring on described flexible pipe near the spacing of described female connecting sleeve end, spacing between the other end equals the jaws width of fixture, make described two stitch of opening fixture U-shaped pin can be inserted in the bottom slot of described adapter sleeve, and regulate spacing between U-shaped pin two stitch by moving forward and backward of adapter sleeve.
5. rapid hose connection device according to claim 1, is characterized in that, described female connecting sleeve is the stainless steel manufacture.
6. the method for dismounting of a rapid hose connection device, described rapid hose connection device can be opened fixture by one and block respectively two flexible pipe ports with a mounting fixture and be connected, one bottom has skewed slot and holds the described described switching of opening fixture of adapter sleeve control of opening fixture, it is characterized in that, comprise the steps:
Step 1, promote described adapter sleeve to the direction that is stuck in flexible pipe in described mounting fixture;
Step 2, extract out and be stuck in the described flexible pipe of opening in fixture;
Step 3, push back described adapter sleeve to original position;
What wherein, promote adapter sleeve in described step 1 is the skewed slot opened of described adapter sleeve bottom projected length value in the vertical apart from length value.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010622814 CN102537563B (en) | 2010-12-28 | 2010-12-28 | Rapid hose connection device and disassembly method for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010622814 CN102537563B (en) | 2010-12-28 | 2010-12-28 | Rapid hose connection device and disassembly method for same |
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| CN102537563A CN102537563A (en) | 2012-07-04 |
| CN102537563B true CN102537563B (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010622814 Active CN102537563B (en) | 2010-12-28 | 2010-12-28 | Rapid hose connection device and disassembly method for same |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3942294A1 (en) * | 2019-03-19 | 2022-01-26 | Waters Technologies Corporation | Removable seal device for fluidic coupling |
| CN112718720B (en) * | 2020-08-07 | 2022-06-24 | 重庆铁马工业集团有限公司 | Pipeline cleaning quick clamping device and clamping method thereof |
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|---|---|---|---|---|
| DE3126405A1 (en) * | 1981-07-04 | 1983-01-13 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Plug-in coupling, in particular for hydraulic high-pressure lines and extreme-pressure lines |
| US4431218A (en) * | 1982-02-05 | 1984-02-14 | Dayco Corporation | Fluid coupling and method of making same |
| DE4310192A1 (en) * | 1992-07-28 | 1994-02-03 | Matsushita Electric Works Ltd | Quick-fit coupling esp. for waste pipes - has insert head with flange and groove engaging in bore of socket to be locked by arms of spring clip engaging in groove. |
| EP1186823A2 (en) * | 2000-09-05 | 2002-03-13 | DaimlerChrysler AG | Quick connector for connecting pipe ends |
| CN101380001A (en) * | 2008-07-17 | 2009-03-11 | 张少武 | Insecticide and acaricide composition containing diafenthiuron and chlorpyrifos |
| CN101541364A (en) * | 2006-11-21 | 2009-09-23 | 诺沃-诺迪斯克有限公司 | Medical delivery system comprising locking ring with L-shaped grooves |
-
2010
- 2010-12-28 CN CN 201010622814 patent/CN102537563B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3126405A1 (en) * | 1981-07-04 | 1983-01-13 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Plug-in coupling, in particular for hydraulic high-pressure lines and extreme-pressure lines |
| US4431218A (en) * | 1982-02-05 | 1984-02-14 | Dayco Corporation | Fluid coupling and method of making same |
| DE4310192A1 (en) * | 1992-07-28 | 1994-02-03 | Matsushita Electric Works Ltd | Quick-fit coupling esp. for waste pipes - has insert head with flange and groove engaging in bore of socket to be locked by arms of spring clip engaging in groove. |
| EP1186823A2 (en) * | 2000-09-05 | 2002-03-13 | DaimlerChrysler AG | Quick connector for connecting pipe ends |
| CN101541364A (en) * | 2006-11-21 | 2009-09-23 | 诺沃-诺迪斯克有限公司 | Medical delivery system comprising locking ring with L-shaped grooves |
| CN101380001A (en) * | 2008-07-17 | 2009-03-11 | 张少武 | Insecticide and acaricide composition containing diafenthiuron and chlorpyrifos |
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| CN102537563A (en) | 2012-07-04 |
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Owner name: ALLAN + RIKKE CLEANING EQUIPMENT (SHANGHAI) CO., L Free format text: FORMER OWNER: SAND FUTURE LIMITED Effective date: 20140623 |
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Effective date of registration: 20140623 Address after: 201611 Shanghai City, Songjiang District Road No. 1199 Building No. 3 Frestech Patentee after: AI Guanrui for cleaning equipment (Shanghai) Co., Ltd. Address before: Hongkong Tongluowan Chinese Whitfield Road No. 18 Citibank center 26 Patentee before: Hongkong, China Suntech Fu Jie Jie Co., Ltd. |