CN102788213A - Quick coupling - Google Patents
Quick coupling Download PDFInfo
- Publication number
- CN102788213A CN102788213A CN2012102719316A CN201210271931A CN102788213A CN 102788213 A CN102788213 A CN 102788213A CN 2012102719316 A CN2012102719316 A CN 2012102719316A CN 201210271931 A CN201210271931 A CN 201210271931A CN 102788213 A CN102788213 A CN 102788213A
- Authority
- CN
- China
- Prior art keywords
- turn
- inner housing
- seal ring
- right half
- pipe joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000008878 coupling Effects 0.000 title abstract description 12
- 238000010168 coupling process Methods 0.000 title abstract description 12
- 238000005859 coupling reaction Methods 0.000 title abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 210000000078 claw Anatomy 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000012771 pancakes Nutrition 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention provides a connecting structure of a quick coupling, and belongs to the technical field of pipeline connection. The quick coupling solves the problem that when current quick coupling is assembled, parts are needed to be installed into the quick coupling one by one so that the quick coupling is inconvenient to assemble, and parts are easy to be assembled in malpositions to lead to poor sealing effect. The quick coupling comprises a body provided with a connecting channel and a locking assembly provided with a right half ring. A locking assembly is arranged at an opening of at least one connecting channel. The connecting channel is internally provided with tubular inner shells in one-to-one correspondence with the locking assemblies and a sealing ring assembly through which the inner shell and the outside face of an adaptor are sealed. The outer end of the inner shell is connected with the right half ring through a buckling structure which enables the right half ring and the inner shell be buckled to form a compactly matched whole and positions the sealing ring assembly. The whole is fixedly connected with the body. The buckling assembly, the inner shell, the sealing assembly and the buckling structure in the body are buckled so that the quick coupling can be assembled at one time and is convenient and rapid to install.
Description
Technical field
The invention belongs to the pipeline connection technology field, relate to a kind of rapid pipe joint.
Background technique
The application of rapid pipe joint makes pipeline connection technology ripe more, and especially the directly-inserted quick quick coupling is used widely in the daily life and the equipment of industrial product.The directly-inserted quick quick coupling is compared and is adopted heat melting device to connect, and join strength is high, and shock resistance is good; Fasten connection part is disposable, the pipe internal pressure is big more, bore is expanded instead make it detain tightly more; Avoid possibility loosening and that leak, and need not hot melt, avoided the field welding job execution painstaking; Quick for installation, the power saving saving of labor saves time.
Like a kind of Chinese patent of fast joint structure of pipe [application number: 200820086195.6, notification number: CN201187650].It comprises the body with attachment hole; Can with the adapter clamping mutually in inserting attachment hole; In attachment hole, be provided with a collar, this collar is fixed in the attachment hole through positioning means, and collar has the claw of several tilt in attachment hole; Be provided with one in the outside of collar when with its annular socket that when push the attachment hole inboard, can claw be strutted, be provided with the O RunddichtringO that is fixed in the attachment hole in the inboard of collar.It adopts and takes over when inserting attachment hole, and the claw on the collar can block adapter easily, realizes connecting fast.Advantages such as the fast joint structure connection of this pipe is reliable, flexible and convenient to use, good airproof performance.It is with intrinsic inner body marshalling and fixing all; The body of last injection moulding again outside, but each inner component do not have stable annexation, nor fixing successively easily; Make troubles to assembling; And when the injection moulding body easy dystopy, influence sealability, even cause product failure.
For addressing the above problem, people have designed a kind of pipeline with the patent of rapid pipe joint [application number: 201120160406.8, notification number: CN202100866U].This pipeline comprises the body with attachment hole with rapid pipe joint; Has step in the attachment hole; Also be fixed with barrel-type casing and a retainer ring that is fixed between barrel-type casing and the step in the attachment hole, clamping between barrel-type casing and the retainer ring has a collar, collar to have several towards the inboard claw of attachment hole; Be provided with one in the collar outside when with its intubate that when push the attachment hole inboard, can claw be strutted; Be provided with cross section between the step of attachment hole and the retainer ring and be pancake seal ring, the retainer ring inboard has annular groove, and the annular groove internal fixation has the O RunddichtringO.The inner body of this rapid pipe joint all fastens each other; The retainer ring inboard is embedded with the O RunddichtringO, and the retainer ring outside fastens with seal ring again, connects more firm between each part two of the inside that assembles like this; When the body of injection moulding outer ring, be not easy dystopy or fall apart, bring convenience to assembling.
But; This pipeline directly contacts with the body of outer ring owing to its seal ring with rapid pipe joint, and seal ring widespread usage rubber material is processed, and is yielding under high temperature or high pressure; Make when the injection moulding body, easily seal ring to be caused damage, cause overall sealing performance to fall flat; And barrel-type casing do not have stable being connected with retainer ring, when assembling, is easier to dystopy yet.
Summary of the invention
The objective of the invention is to have the problems referred to above to existing technology, proposed a kind of good sealing effect, rapid pipe joint easy to assembly.
The object of the invention can be realized through following technical proposal: a kind of rapid pipe joint; Comprise body with connecting passage and clip assembly with right half-turn; At least one described connecting passage oral area is provided with a clip assembly, also be provided with in the described connecting passage with clip assembly correspondingly in a tubular form inner housing with can make inner housing and take over the seal ring assembly that outer side surface forms sealing; Between the outer end of described inner housing and the right half-turn through can make right half-turn and inner housing mutually clamping form a close-fitting integral body and can the fastening structure that above-mentioned seal ring assembly is located be connected; Above-mentioned integral body is connected with body-fixed.
Clip assembly is used for the adapter of inserting connecting passage is blocked, and prevents to take over the disengaging connecting passage.Seal ring assembly is located between inner housing and the clip assembly, the space formation sealing to inner housing and between taking over, and anti-fluid flows out from the gap between inner housing and the adapter.The snapping assembly makes the right half-turn of clip assembly closely match with inner housing and forms an integral body, and stability is better, sound construction.Be not easy dystopy after inner each part assembling or fall apart, assemble more conveniently, can disposablely all be assembled together, be fixed in the body.
In above-mentioned rapid pipe joint, described body adopts plastics or nylon material to process, and body is through molding and forming and be coated on the above-mentioned whole outside.Adopt plastic materials to make moulding with mould easily, cost is low.
In above-mentioned rapid pipe joint, described seal ring assembly comprises the O RunddichtringO that is arranged between right half-turn and the fastening structure.The O RunddichtringO is fixed between right half-turn and the fastening structure, can assemble with integral body.
In above-mentioned rapid pipe joint, described fastening structure comprises the left half-turn that is interlockingly connected with inner housing, and described left half-turn and right half-turn are interlockingly connected and form an annular positioning groove, and described O RunddichtringO is arranged in the annular positioning groove.Annular positioning groove is used for fixing the O RunddichtringO, and left half-turn is chained together right half-turn and inner housing and forms an integral body, and sound construction is easy to assembly.
In above-mentioned rapid pipe joint, described seal ring assembly comprise the O RunddichtringO that is arranged between right half-turn and the fastening structure and be arranged on fastening structure and inner housing between the flat seal ring.O RunddichtringO and flat seal ring form double seal, and sealing effect is better.
In above-mentioned rapid pipe joint; Described fastening structure comprises the left half-turn that is interlockingly connected with inner housing; Described left half-turn and right half-turn are interlockingly connected and form an annular positioning groove, and described O RunddichtringO is arranged in the annular positioning groove, and described left half-turn also is interlockingly connected with the flat seal ring.Flat seal ring and left half-turn are interlockingly connected, and the O RunddichtringO is arranged in the annular positioning groove, and working in coordination and be not easy to separate in seal ring assembly, fastening structure, clip assembly three position, closely connects.
In above-mentioned rapid pipe joint, described inner housing have the inboard be provided with after take over inserting connecting passage can with take over the retaining edge that the end leans.Take over the retaining edge of knowing its end and inner housing after inserting and lean, just can confirm to take over and put in place,
In above-mentioned rapid pipe joint, the peripheral surface of described flat seal ring has the protruding annular ridge in some roads, and described inner housing inboard is provided with the embedded groove that is complementary with annular ridge.After the assembling of flat seal ring, flat seal ring peripheral surface tightly is resisted against in the embedded groove of inner housing, and annular ridge receives inwall extrusion-deformation, thereby has improved the sealing between flat seal ring and the inner housing.
Compared with prior art, this rapid pipe joint has the following advantages:
1. intrinsic inner housing, flat seal ring, left half-turn, right half-turn are fastened togather mutually, and the connection between each part is more firm, can an assembled formation, and quick and easy for installation.
2. flat seal ring and O RunddichtringO form double seal, have improved the sealing effect of rapid pipe joint.
3. the flat seal ring does not directly contact with body with the O RunddichtringO, in when the injection moulding body, receiving and the protection of left half-turn and right half-turn, avoids receiving the influence of HTHP and reduces sealing effect.
Description of drawings
Fig. 1 is this rapid pipe joint embodiment one a cross-sectional schematic.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Among the figure, 1, body; 1a, connecting passage; 2, inner housing; 2a, retaining edge; 3, O RunddichtringO; 4, left half-turn; 5, right half-turn; 6, flat seal ring; 6a, annular ridge.
Embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technological scheme of the present invention is done further to describe, but the present invention is not limited to these embodiments.
Embodiment one
As shown in Figure 1, this rapid pipe joint comprises body 1 with connecting passage 1a and the clip assembly with right half-turn 5, and at least one connecting passage 1a oral area is provided with a clip assembly.Also be provided with in the connecting passage 1a with clip assembly correspondingly in a tubular form inner housing 2 with can make inner housing 2 and take over the seal ring assembly that outer side surface forms sealing.Between the outer end of inner housing 2 and the right half-turn 5 through can make right half-turn 5 and inner housing 2 mutually clamping form a close-fitting integral body and can the fastening structure of seal ring assembly location be connected, wholely be fixedly connected with body 1.
Specifically, like Fig. 1, shown in Figure 2, body 1 adopts plastics or nylon material to process, and body 1 is through molding and forming and be coated on the whole outside.Seal ring assembly comprise be arranged on the O RunddichtringO 3 between right half-turn 5 and the fastening structure and be arranged on fastening structure and inner housing 2 between flat seal ring 6.Fastening structure comprises the left half-turn 4 that is interlockingly connected with inner housing 2, and left half-turn 4 is interlockingly connected with right half-turn 5 and forms an annular positioning groove, and O RunddichtringO 3 is arranged in the annular positioning groove, and left half-turn 4 also is interlockingly connected with flat seal ring 6.Inner housing 2 also has inboard being provided with when taking over the retaining that can lean with the adapter end after inserting connecting passage 1a along 2a.The peripheral surface of flat seal ring 6 has the protruding annular ridge 6a in some roads, and described inner housing 2 inboards are provided with the embedded groove that is complementary with annular ridge 6a.
The pipe fitting that needs are connected inserts in the connecting passage 1a; Pipe fitting is successively through clip assembly, O RunddichtringO 3, fastening structure, flat seal ring 6; The retaining that is resisted against inner housing 2 at last is along on the 2a, and O RunddichtringO 3 seals with 6 pairs of outer surface of pipe fittings of flat seal ring layer by layer, and clip assembly is conflicted on the outer peripheral surface of pipe fitting; Make pipe fitting can not withdraw from body 1 easily, realize the purpose in quick connecting pipe road.
Fig. 1 of present embodiment, Fig. 2 are for being applied in the equal coupling rapid pipe joint; Certainly; This linkage structure can also be applied in the multi-form rapid pipe joint such as reducing coupling, iso-diameter elbow, reducing elbow, equal tee, reducing tee, even on the connecting end of various water tap, valve.
Embodiment two
Embodiment two is that with embodiment one difference embodiment two is single ring structure, and seal ring assembly comprises the O RunddichtringO 3 that is arranged between right half-turn 5 and the fastening structure.Fastening structure comprises the left half-turn 4 that is interlockingly connected with inner housing 2, and left half-turn 4 is interlockingly connected with right half-turn 5 and forms an annular positioning groove, and O RunddichtringO 3 is arranged in the annular positioning groove.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used body 1, connecting passage 1a, inner housing 2, retaining along terms such as 2a, O RunddichtringO 3, left half-turn 4, right half-turn 5, flat seal ring 6, annular ridge 6a morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; It all is contrary with spirit of the present invention being construed to any additional restriction to them.
Claims (8)
1. rapid pipe joint; Comprise have connecting passage (1a) body (1) and have the clip assembly of right half-turn (5); At least one described connecting passage (1a) oral area is provided with a clip assembly, also be provided with in the described connecting passage (1a) with clip assembly correspondingly in a tubular form inner housing (2) and can make inner housing (2) and take over the seal ring assembly that outer side surface forms sealing; Between the outer end of described inner housing (2) and the right half-turn (5) through can make right half-turn (5) and inner housing (2) mutually clamping form a close-fitting integral body and can the fastening structure that above-mentioned seal ring assembly is located be connected; Above-mentioned integral body is fixedly connected with body (1).
2. rapid pipe joint according to claim 1 is characterized in that, described body (1) adopts plastics or nylon material to process, and body (1) is through molding and forming and be coated on the above-mentioned whole outside.
3. rapid pipe joint according to claim 2 is characterized in that, described seal ring assembly comprises the O RunddichtringO (3) that is arranged between right half-turn (5) and the fastening structure.
4. rapid pipe joint according to claim 3; It is characterized in that; Described fastening structure comprises the left half-turn (4) that is interlockingly connected with inner housing (2); Described left half-turn (4) is interlockingly connected with right half-turn (5) and forms an annular positioning groove, and described O RunddichtringO (3) is arranged in the annular positioning groove.
5. rapid pipe joint according to claim 2; It is characterized in that, described seal ring assembly comprise the O RunddichtringO (3) that is arranged between right half-turn (5) and the fastening structure and be arranged on fastening structure and inner housing (2) between flat seal ring (6).
6. rapid pipe joint according to claim 5; It is characterized in that; Described fastening structure comprises the left half-turn (4) that is interlockingly connected with inner housing (2); Described left half-turn (4) is interlockingly connected with right half-turn (5) and forms an annular positioning groove, and described O RunddichtringO (3) is arranged in the annular positioning groove, and described left half-turn (4) also is interlockingly connected with flat seal ring (6).
7. according to claim 4 or 6 described rapid pipe joints, it is characterized in that, inner housing (2) have the inboard be provided with after take over inserting connecting passage (1a) can with take over retaining that the end leans along (2a).
8. the linkage structure of rapid pipe joint according to claim 7; It is characterized in that; The peripheral surface of described flat seal ring (6) has the protruding annular ridge (6a) in some roads, and described inner housing (2) inboard is provided with the embedded groove that is complementary with annular ridge (6a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210271931.6A CN102788213B (en) | 2012-08-01 | 2012-08-01 | Quick coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210271931.6A CN102788213B (en) | 2012-08-01 | 2012-08-01 | Quick coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102788213A true CN102788213A (en) | 2012-11-21 |
| CN102788213B CN102788213B (en) | 2015-04-01 |
Family
ID=47153710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210271931.6A Active CN102788213B (en) | 2012-08-01 | 2012-08-01 | Quick coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102788213B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455886A (en) * | 2014-11-11 | 2015-03-25 | 贵州黔南科技塑业有限公司 | Connecting structure for pipes with equal diameter |
| CN108799670A (en) * | 2018-08-07 | 2018-11-13 | 李学谦 | Novel quick joint |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1058799A1 (en) * | 1998-03-05 | 2000-12-13 | A. Raymond & Cie | Releasable quick coupling for metal pipes |
| CN200965130Y (en) * | 2006-10-16 | 2007-10-24 | 北京万商集贸易有限责任公司 | Quick pipeline interface, quick pipeline adaptor and quick pipeline stopper |
| CN101220891A (en) * | 2008-01-25 | 2008-07-16 | 李建国 | Non-screw thread quick-connecting pipe fitting |
| CN201187650Y (en) * | 2008-04-22 | 2009-01-28 | 浙江兴鑫爱特铜业有限公司 | Fast connecting structure of pipe |
| CN202100866U (en) * | 2011-05-19 | 2012-01-04 | 许道泽 | Quick connector for pipelines |
| CN202756803U (en) * | 2012-08-01 | 2013-02-27 | 许道泽 | Quick connector |
-
2012
- 2012-08-01 CN CN201210271931.6A patent/CN102788213B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1058799A1 (en) * | 1998-03-05 | 2000-12-13 | A. Raymond & Cie | Releasable quick coupling for metal pipes |
| CN200965130Y (en) * | 2006-10-16 | 2007-10-24 | 北京万商集贸易有限责任公司 | Quick pipeline interface, quick pipeline adaptor and quick pipeline stopper |
| CN101220891A (en) * | 2008-01-25 | 2008-07-16 | 李建国 | Non-screw thread quick-connecting pipe fitting |
| CN201187650Y (en) * | 2008-04-22 | 2009-01-28 | 浙江兴鑫爱特铜业有限公司 | Fast connecting structure of pipe |
| CN202100866U (en) * | 2011-05-19 | 2012-01-04 | 许道泽 | Quick connector for pipelines |
| CN202756803U (en) * | 2012-08-01 | 2013-02-27 | 许道泽 | Quick connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455886A (en) * | 2014-11-11 | 2015-03-25 | 贵州黔南科技塑业有限公司 | Connecting structure for pipes with equal diameter |
| CN108799670A (en) * | 2018-08-07 | 2018-11-13 | 李学谦 | Novel quick joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102788213B (en) | 2015-04-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151127 Address after: 317608 Yuhuan County Economic Development Zone, Zhejiang, Taizhou Patentee after: Yuhuan Haolixin Copper Co.,Ltd. Address before: Taizhou City, Zhejiang province 317600 Yuhuan Economic Development Zone (Xuanmen industrial city) - Yuhuan County Lixin Copper Co. Ltd. Patentee before: Xu Daoze |
|
| CP03 | Change of name, title or address |
Address after: 317608 No. 7 Fengyu West Road, Yuhuan Economic Development Zone, Zhejiang Province (Xuanmen Industrial City) Patentee after: YUHUAN HAOLIXIN COPPER Co.,Ltd. Address before: 317608 Yuhuan County Economic Development Zone, Taizhou City, Zhejiang Province Patentee before: Yuhuan Haolixin Copper Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A kind of quick coupling Effective date of registration: 20201202 Granted publication date: 20150401 Pledgee: Taizhou Yuhuan sub branch of Zhejiang Tailong Commercial Bank Co.,Ltd. Pledgor: YUHUAN HAOLIXIN COPPER Co.,Ltd. Registration number: Y2020330001074 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230717 Granted publication date: 20150401 Pledgee: Taizhou Yuhuan sub branch of Zhejiang Tailong Commercial Bank Co.,Ltd. Pledgor: YUHUAN HAOLIXIN COPPER Co.,Ltd. Registration number: Y2020330001074 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |