CN111174011A - Quick connector - Google Patents
Quick connector Download PDFInfo
- Publication number
- CN111174011A CN111174011A CN201811334338.5A CN201811334338A CN111174011A CN 111174011 A CN111174011 A CN 111174011A CN 201811334338 A CN201811334338 A CN 201811334338A CN 111174011 A CN111174011 A CN 111174011A
- Authority
- CN
- China
- Prior art keywords
- pipe
- sleeve
- ring
- main part
- locking
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/091—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a ring provided with teeth or fingers
Abstract
The invention relates to a quick connector. The quick-plugging connector comprises a connector main body, wherein the connector main body is provided with a pipe body jack, a sealing ring is arranged in the pipe body jack, a locking ring is arranged on the outer side of the sealing ring, a locking fin is arranged on the locking ring, a sleeve removing pipe is further arranged in the pipe body jack, a sleeve removing pipe blocking surface is arranged in the pipe body jack, a bearing surface is arranged at the end part, facing the outer side of the pipe body jack, of the sleeve removing pipe, and the bearing surface is located in the pipe body jack all the time in the moving. Compared with the prior art, the pressure bearing surface positioned at the end part of the sleeve removing pipe is positioned in the joint main body, and the pressure bearing surface is difficult to push by the outside to unlock, so that the problem that the sleeve removing pipe is easily touched by mistake in the prior art, the locking ring of the locking ring is released by the sleeve removing pipe due to the fact that the sleeve removing pipe is pushed, and when the pipeline needs to be disassembled, the sleeve removing pipe is pushed through the special unlocking device capable of entering the space between the joint main body and the pipeline.
Description
Technical Field
The invention relates to a quick connector.
Background
Be equipped with the hot-water heating pipeline on the passenger train chassis usually, in order to make hot-water heating pipe-line system's each branch pressure more balanced, the hot-water heating pipe-line design on chassis is also more complicated, leads to entire system's pipe joint to increase, in order to improve hot-water heating pipe-line's installation effectiveness, hot-water heating connects and adopts quick connector, quick connector realizes the locking to the body through setting up at the inside fin of joint, compare in the mode through direct joint clamp fixed connection and improved the installation effectiveness.
Chinese utility model patent that the grant bulletin number is CN203477710U, the grant bulletin date is 2014.03.12 discloses a quick connector, including the union body of well cavity, suit in the union body well cavity tip connect, one end card establish in the union end other end suit in the inner chamber of joint and can for the release sleeve pipe that the union inner chamber removed and in proper order the card establish metal lock ring, clamping ring and the both ends external diameter between tip and the union body are greater than the special-shaped sealing ring of middle external diameter in the joint, and the clamping ring is the supporting ring, and special-shaped sealing ring is the sealing washer. The pipe connector comprises a pipe connector body and is characterized in that a clamping groove is formed in the inner wall of a cavity of the pipe connector body, a special-shaped sealing ring is clamped in the clamping groove, another end of a connector inner cavity, which is sleeved with a sleeve, is provided with an annular outer protrusion, the connector inner cavity is provided with an inner boss which is abutted against the outer protrusion, a metal locking ring comprises an outer ring piece and a plurality of locking inverted buckle fins which are axially uniformly distributed along the inner side of the outer ring piece and extend in an inclined manner, a pressing ring is provided with an inner wall which extends in an inclined manner, the outer ring piece is abutted against the end part of the pressing ring, the fins extend in the inclined manner, and after all parts of the pipe connector. However, the utility model discloses a take off sleeve pipe tip and be located the joint main part outside, exist after the installation and be touched by the mistake easily, promote to take off the sleeve pipe and lead to taking off the sleeve pipe and remove the problem of locking ring to the pipeline locking.
Disclosure of Invention
The invention aims to provide a quick connector, which is used for solving the problem that in the prior art, the end part of a sleeve releasing pipe is positioned outside a connector main body and is easily touched by mistake after installation, and the sleeve releasing pipe is pushed to cause the sleeve releasing pipe to release a locking ring to lock a pipeline.
In order to achieve the purpose, the technical scheme of the quick connector is as follows:
the quick-plugging connector comprises a connector main body, the connector main body is provided with a pipe body jack into which a pipe body is inserted, a sealing ring for sealing the pipe body and the connector main body is arranged in the pipe body jack, the outer side of the sealing ring along the axial line direction of the connector main body is provided with a locking ring for preventing the pipe body from being separated, the locking ring is provided with a locking fin which is obliquely arranged along the axial line direction of the connector main body from the outside to the inside and is gradually far away from the inner wall of the connector main body, a sleeve releasing pipe which can move along the axial direction of the connector main body and can push the locking fin to release the locking effect of the locking fin on the pipe body is also arranged in the pipe, the end part of the sleeve removing pipe, facing the outer side of the pipe body insertion hole, is provided with a pressure bearing surface which is used for being pressed to enable the sleeve removing pipe to move along the axis of the joint main body, and the pressure bearing surface is always positioned in the pipe body insertion hole in the moving stroke of the sleeve removing pipe.
The quick connector has the advantages that: compared with the technical scheme that the sleeve removing pipe is located outside the joint main body in the prior art, the pressure bearing surface located at the end part of the sleeve removing pipe is located in the joint main body, and the pressure bearing surface is difficult to push to unlock from the outside, so that the problem that the sleeve removing pipe is easily touched by mistake and pushes the sleeve removing pipe to release a locking ring to lock a pipeline in the prior art is solved, and when the pipeline needs to be detached, the sleeve removing pipe is pushed by a special unlocking device capable of entering between the joint main body and the pipeline.
Furthermore, an outward turning edge is arranged at the outer end of the sleeve removing pipe, the outward turning edge is in stop fit with the sleeve removing pipe stop face to limit the sleeve removing pipe to be separated, the pressure bearing face is arranged on the outward turning edge, the outward turning edge can be in stop fit with the sleeve removing pipe stop face to prevent the sleeve removing pipe from being separated, the side face of the outward turning edge can also serve as a pressure bearing face to push the sleeve removing pipe, and the sleeve removing pipe structure is simplified.
Furthermore, the turning-out edges are obliquely arranged from the center of the joint main body to the outside and gradually approach to the inner wall of the joint main body, and compared with the vertically arranged turning-out edges, the turning-out edges obliquely arranged from the center of the joint main body to the outside and gradually approach to the inner wall of the joint main body are not easy to deform when being pulled out, and the blocking effect is better.
Furthermore, the hole edge of the outer hole opening of the pipe body insertion hole is shrunk inwards to form a necking structure, the inner side surface of the hole opening of the pipe body insertion hole forms the sleeve removing blocking surface, and the necking is directly arranged at the outer hole opening to block the outward turning edge simply and conveniently.
Further, it includes interior casing and the outer shell of heat-seal outside the inner shell to connect the main part, and interior casing has the seal part erection section, sealing washer, lock ring and lock ring all set up in the seal part erection section, the wall thickness of seal part erection section is less than the wall thickness of shell body, connects the main part and divide into interior casing and shell body after, interior casing thickness is thinner, puts into sealing washer, lock ring and lock ring after the heating inflation of being convenient for.
Furthermore, the outer peripheral surface of the inner shell is a conical surface with the diameter gradually reduced towards the end part, and the outer peripheral surface of the inner shell is a conical surface which is convenient for the outer shell to be sleeved in.
Furthermore, the inner wall of the outer shell is provided with an outer shell annular bulge, and the relative position between the outer shell and the inner shell can be determined by the outer shell annular bulge.
Drawings
FIG. 1 is a schematic structural diagram of a quick connector according to an embodiment of the present invention;
FIG. 2 is a schematic view of a locking ring of an embodiment of the quick connector of the present invention;
FIG. 3 is a schematic view of the structure of the bushing of the embodiment of the quick connector of the present invention;
FIG. 4 is a schematic structural diagram of a support ring of an embodiment of the quick connector of the present invention;
description of reference numerals: 1. an inner housing; 2. an outer housing; 31. a first seal ring; 32. sealing the lattice frame; 33. a second seal ring; 40. a locking ring; 41. fixing the fins; 42. a locking fin; 5. removing the sleeve; 51. removing the annular bulge of the sleeve; 52. turning out the edges; 60. a support ring; 61. a stopper portion; 62. a connecting portion; 63. a support portion; 7. a first annular boss; 8. a second annular boss; 9. and (5) necking.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the quick connector in this embodiment is linear and bilaterally symmetric, and has two pipe openings for inserting a pipeline, the quick connector includes a connector main body, the connector main body includes an inner housing 1 and an outer housing 2 sleeved on the outer periphery of the inner housing 1, a sealing ring for sealing between the pipeline and the inner housing 1, a locking ring 40 for locking the pipeline and preventing the pipeline from separating, and a sleeve-separating pipe 5 for pressing the locking ring 40 to separate the pipeline, a locking fin 42 is provided on the locking ring 40 and is inclined near the middle of the inner housing 1 and away from the inner wall of the inner housing 1, and the locking fin 42 applies a reaction force to the pipeline when the pipeline is subjected to an outward force to prevent the pipeline from being pulled out. In this embodiment, one side of the quick connector is mainly described, and the inner side and the outer side in this embodiment are both inside and outside along the axis direction of the inner housing 1, the end portion close to the inner housing 1 is the outer side, and the end portion far away from the inner housing 1 is the inner side.
As shown in fig. 1 and 4, the support ring 60 includes a stopper portion 61 that is engaged with the seal ring to prevent the seal ring from moving, and a support portion 63 that supports the lock ring 40, and the stopper portion 61 and the support portion 63 are connected by a connecting portion 62. In this embodiment, the inner housing 1 is provided with a locking groove, the support ring 60 is locked on the inner housing 1 by the blocking portion 61, and the blocking portion 61 blocks the sealing ring towards the surface of the sealing ring. The support part 63 of the support ring 60 is tapered, the inclination direction is the same as the inclination direction of the locking fin 42, and the support part 63 can support the locking fin 42 to prevent the locking fin 42 from being deformed too much.
As shown in fig. 1 and 2, the locking ring 40 is disposed axially outside the support ring 60, in this embodiment, the locking ring 40 has an inner ring and an outer ring, the inner ring is provided with locking fins 42 for preventing the pipe body from being pulled out, the outer ring is provided with fixing fins 41, the fixing fins 41 are attached to the inner wall of the inner housing 1, and the locking ring 40 is prevented from deflecting and moving during installation. The inner wall of the inner shell 1 is provided with a first annular boss 7 at the joint of the outer ring and the inner ring of the support ring 60 to stop the support ring 60.
In this embodiment, the outer shell 2 is further disposed outside the inner shell 1, a second annular boss 8 and a throat 9 are disposed in the outer shell 2, wherein the second annular boss 8 is in blocking fit with the inner shell 1, and the throat 9 is disposed at an end of the outer shell 2. The second annular boss 8 constitutes an outer shell annular boss facilitating the determination of the relative position between the outer shell and the inner shell.
As shown in fig. 1 and 3, the locking ring is provided with a release sleeve outside, and in order to prevent the release sleeve from being touched by mistake after installation and causing the release sleeve to be pushed to contact with the locking ring to lock the pipeline, the release sleeve is located inside the joint body in the embodiment. The sleeve releasing pipe 5 is arranged inside the inner shell 1 and the outer shell 2, one end of the sleeve releasing pipe 5 is pressed against the locking fin 42 of the locking ring 40, the other end of the sleeve releasing pipe is provided with an outward turning edge 52, the outward turning edge 52 is in blocking fit with the necking 9 of the outer shell 2, in order to prevent the outward turning edge 52 from easily generating elastic deformation, the outward turning edge 52 in the embodiment is obliquely arranged, the oblique direction is the same as the oblique direction of the locking fin 42, the end surface of the outward turning edge 52 is perpendicular to the oblique direction, the outward turning edge 52 is in blocking fit with the necking 9 to prevent the sleeve releasing pipe 5 from being separated, and the outward turning edge 52 is obliquely arranged to be not easy to generate deformation. The sleeve-removing annular bulge 51 is further arranged on the sleeve-removing 5 in this embodiment, the sleeve-removing annular bulge 51 is in blocking fit with the second annular boss 8, and the two blocking fits can further prevent the sleeve-removing 5 from being separated from the joint main body and the outer shell 2. In the embodiment, the pressure bearing surface of the release sleeve 5 for bearing is the side surface of the outward turning edge 52, and the pressure bearing surface is positioned inside the inner shell 1 and the outer shell 2, so that the locking of the locking ring 40 on the pipeline is prevented from being released by mistake.
When the sealing device is installed, the inner shell 1 is heated and expanded, the first sealing ring 31, the sealing grid frame 32 and the second sealing ring 33 are placed on one side in the enlarged inner shell 1, then the supporting ring 60 is placed, and the outer ring is clamped in the clamping groove of the inner shell 1 after the supporting ring 60 compresses the sealing ring, so that the sealing ring is prevented from moving left and right. Then the locking ring 40 is put in, the locking fins 42 of the locking ring 40 are lapped on the supporting part 63 of the supporting ring 60, and the joint of the outer ring and the inner ring of the locking ring 40 is matched with the first annular boss 7 arranged on the inner shell 1 in a stopping way, so that the locking ring 40 is fixed. The locking ring 40 is fixed and then installed on the inner shell 1 after heating one end of the outer shell 2, then the cooling solidification installation, the inner shell 1 and the outer shell 2 are integrated, and finally the sleeve 5 is taken off and is installed in the outer shell 2 and the inner shell 1 by means of elasticity. The main body of the connector is divided into an inner shell and an outer shell, and the inner shell is thin, so that the inner shell can be heated and expanded conveniently, and the sealing ring, the locking ring 40 and the support ring 60 are placed.
In other embodiments, the outward-turned edge may not be in stop fit with the tube insertion hole, but a conical protrusion with a shape similar to the outward-turned edge is disposed in the middle of the sleeve removing hole, at this time, an annular protrusion may be disposed on the inner wall of the tube insertion hole to be in stop fit with the conical protrusion on the sleeve removing hole, at this time, the sleeve removing stop surface is disposed on the annular protrusion, and the conical protrusion is disposed to be in stop fit with the sleeve removing stop surface disposed in the tube insertion hole to prevent the sleeve removing from being removed.
In other embodiments, the everting edge may also be disposed perpendicular to the axis of the denesting pipe.
In other embodiments, the outer peripheral surface of the inner housing may be provided as a cylindrical surface.
In other embodiments, the inner wall of the outer shell can be directly fused into a whole without being provided with the annular bulge of the outer shell.
Claims (7)
1. Quick connector, including connecting the main part, it has the body jack that supplies body male to connect the main part, be equipped with the sealing washer that is used for sealed body and joint main part in the body jack, the sealing washer is equipped with the lock ring that is used for preventing the body from breaking away from along the outside of connecting main part axis direction, be equipped with on the lock ring and keep away from the locking fin that connects main part inner wall slope setting gradually in the direction from outer to inner along connecting main part axis, still be equipped with in the body jack and remove the cover pipe that takes off of locking fin to body locking effect along connecting main part axial displacement roof pressure locking fin, be equipped with the restriction in the body jack and take off the cover pipe stop face that takes off of sleeve pipe and joint main part separation: the end part of the sleeve removing pipe, facing the outer side of the pipe body insertion hole, is provided with a pressure bearing surface which is used for being pressed to enable the sleeve removing pipe to move along the axis of the joint main body, and the pressure bearing surface is always positioned in the pipe body insertion hole in the moving stroke of the sleeve removing pipe.
2. The quick connect coupling of claim 1, wherein: the outer end of the sleeve releasing pipe is provided with an outward turning edge, the outward turning edge is in stop fit with the sleeve releasing pipe stop face to limit the sleeve releasing pipe to be released, and the pressure bearing face is arranged on the outward turning edge.
3. The quick connect coupling of claim 2, wherein: the outward turning edge is obliquely arranged from the center of the joint main body to the outside and gradually close to the inner wall of the joint main body.
4. The quick connect coupling of claim 3, wherein: the hole edge of the outer hole opening of the pipe body insertion hole is inwards shrunk to form a necking structure, and the inner side surface of the pipe body insertion hole opening forms the sleeve removing blocking surface.
5. The quick connector as claimed in any one of claims 1 to 4, wherein: the joint main part includes interior casing and the outer shell of heat-seal outside the inner shell body, and interior casing has the seal part installation section, sealing washer, lock ring and lock ring all set up in the seal part installation section, the wall thickness of seal part installation section is less than the wall thickness of shell body.
6. The quick connect coupling of claim 5, wherein: the outer peripheral surface of the inner shell is a conical surface with the diameter gradually reduced towards the end part.
7. The quick connect coupling of claim 6, wherein: the inner wall of the outer shell is provided with an outer shell annular bulge, and the end face of the outer end of the inner shell is matched with the outer shell annular bulge in a blocking mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811334338.5A CN111174011A (en) | 2018-11-09 | 2018-11-09 | Quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811334338.5A CN111174011A (en) | 2018-11-09 | 2018-11-09 | Quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111174011A true CN111174011A (en) | 2020-05-19 |
Family
ID=70649895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811334338.5A Pending CN111174011A (en) | 2018-11-09 | 2018-11-09 | Quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111174011A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678722A (en) * | 2022-03-23 | 2022-06-28 | 中航光电科技股份有限公司 | Novel seal structure connector |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4123090A (en) * | 1976-07-19 | 1978-10-31 | Imperial-Eastman Corporation | Push-pull fitting |
| EP1036970A2 (en) * | 1999-03-17 | 2000-09-20 | Delta Capillary Products Limited | A push fit attachment |
| EP1039204A2 (en) * | 1999-03-19 | 2000-09-27 | Delta Capillary Products Limited | Push fit connector |
| US20020185868A1 (en) * | 2001-01-19 | 2002-12-12 | Snyder Ronald R. | Mechanical pipe coupling derived from a standard fitting |
| US20030067170A1 (en) * | 2001-01-19 | 2003-04-10 | Snyder Ronald R. | Clamping mechanical pipe coupling derived from a standard fitting |
| US20030071460A1 (en) * | 2001-01-19 | 2003-04-17 | Snyder Ronald R. | Triple-expanded mechanical pipe coupling derived from a standard fitting |
| US20040239115A1 (en) * | 2001-01-19 | 2004-12-02 | Victaulic Company Of America | Mechanical pipe coupling derived from a standard fitting |
| US20050146133A1 (en) * | 2001-01-19 | 2005-07-07 | Victaulic Company Of America | Mechanical pipe coupling derived from a standard fitting |
| CN200940735Y (en) * | 2006-08-28 | 2007-08-29 | 上海天力实业有限公司 | Quick insert joint for direct drinking water copper pipe |
| CN101329000A (en) * | 2008-07-11 | 2008-12-24 | 安业环球有限公司 | Fluid pipe connection apparatus and matching pipe dismantling tools thereof |
| US20100039210A1 (en) * | 2008-08-14 | 2010-02-18 | Kanthal Corporation | Quick connect fittings |
| CN201836571U (en) * | 2010-09-29 | 2011-05-18 | 拉卡萨安吉拉股份有限公司 | Pipeline quick coupling |
| WO2014072539A1 (en) * | 2012-11-07 | 2014-05-15 | Hita Technology Of Plastic System S.L. | Rapid-action coupling for pipes |
| CN206206865U (en) * | 2016-11-19 | 2017-05-31 | 胡华贵 | Pipe fitting fast joint |
-
2018
- 2018-11-09 CN CN201811334338.5A patent/CN111174011A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4123090A (en) * | 1976-07-19 | 1978-10-31 | Imperial-Eastman Corporation | Push-pull fitting |
| EP1036970A2 (en) * | 1999-03-17 | 2000-09-20 | Delta Capillary Products Limited | A push fit attachment |
| EP1039204A2 (en) * | 1999-03-19 | 2000-09-27 | Delta Capillary Products Limited | Push fit connector |
| US20020185868A1 (en) * | 2001-01-19 | 2002-12-12 | Snyder Ronald R. | Mechanical pipe coupling derived from a standard fitting |
| US20030067170A1 (en) * | 2001-01-19 | 2003-04-10 | Snyder Ronald R. | Clamping mechanical pipe coupling derived from a standard fitting |
| US20030071460A1 (en) * | 2001-01-19 | 2003-04-17 | Snyder Ronald R. | Triple-expanded mechanical pipe coupling derived from a standard fitting |
| US20040239115A1 (en) * | 2001-01-19 | 2004-12-02 | Victaulic Company Of America | Mechanical pipe coupling derived from a standard fitting |
| US20050146133A1 (en) * | 2001-01-19 | 2005-07-07 | Victaulic Company Of America | Mechanical pipe coupling derived from a standard fitting |
| CN200940735Y (en) * | 2006-08-28 | 2007-08-29 | 上海天力实业有限公司 | Quick insert joint for direct drinking water copper pipe |
| CN101329000A (en) * | 2008-07-11 | 2008-12-24 | 安业环球有限公司 | Fluid pipe connection apparatus and matching pipe dismantling tools thereof |
| US20100039210A1 (en) * | 2008-08-14 | 2010-02-18 | Kanthal Corporation | Quick connect fittings |
| CN201836571U (en) * | 2010-09-29 | 2011-05-18 | 拉卡萨安吉拉股份有限公司 | Pipeline quick coupling |
| WO2014072539A1 (en) * | 2012-11-07 | 2014-05-15 | Hita Technology Of Plastic System S.L. | Rapid-action coupling for pipes |
| CN206206865U (en) * | 2016-11-19 | 2017-05-31 | 胡华贵 | Pipe fitting fast joint |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678722A (en) * | 2022-03-23 | 2022-06-28 | 中航光电科技股份有限公司 | Novel seal structure connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200519 |
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| RJ01 | Rejection of invention patent application after publication |