CN201561221U - Quick coupling - Google Patents
Quick coupling Download PDFInfo
- Publication number
- CN201561221U CN201561221U CN2009203127865U CN200920312786U CN201561221U CN 201561221 U CN201561221 U CN 201561221U CN 2009203127865 U CN2009203127865 U CN 2009203127865U CN 200920312786 U CN200920312786 U CN 200920312786U CN 201561221 U CN201561221 U CN 201561221U
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- ring
- attachment hole
- shaped step
- pipe joint
- annular
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- Expired - Fee Related
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Abstract
The utility model provides a quick coupling, belonging to the technical field of the pipe connection, which solves the problem of the existing quick coupling not high in leak tightness. The quick coupling comprises a main body with a connecting hole. In the connecting hole, a clamping mechanism that can assemble and disassemble the external pipe and a seal ring sealed with the inserted pipe are arranged. One side of the seal ring is abutted on a stop gear arranged inside the connecting hole. An annular gasket is fixed between the seal ring and the clamping mechanism. The other side of the seal ring is abutted on the annular gasket. The utility model has the advantages of flexible and convenient application, fixed and reliable connection, good sealing effect and the like.
Description
Technical field
The utility model belongs to the pipeline connection technology field, relates to a kind of rapid pipe joint, particularly a kind of inserted type quick coupling that is used for being connected on fluid lines such as gas, liquid and the valve usefulness.
Background technique
In daily production, life, connection usually needs to connect by connecting head for pipelines such as water route, gas circuit, oil circuits.Existing effective connecting head is when being connected with pipeline, generally be to connect by screw thread, also need to twine some unsintered tapes in both threaded connection places or seal by glue, this effective connecting head is when connecting pipeline, and connection speed is slow, troublesome poeration.
A kind of rapid pipe joint of connection fast that realizes has also appearred now, the fast joint structure of a kind of pipe that provides as Chinese patent (notification number CN201187650Y), as shown in Figure 1, it comprises the body 1 with attachment hole 2, can with the adapter clamping mutually in inserting attachment hole 2, in attachment hole 2, be provided with a collar 6, this collar 6 is fixing with the barrel-type casings 5 that are fixed in the attachment hole 2 by a retainer ring 7, collar 6 has several claws 61 towards attachment hole 2 inboard inclinations, be provided with one when with its annular socket 8 that when push attachment hole 2 inboards, claw 61 can be strutted in the outside of collar 6, be provided with the O RunddichtringO 3 that is fixed in the attachment hole 2 in the inboard of collar 6.Take over when inserting attachment hole 2, the claw 61 on the collar 6 can block adapter easily, realizes connecting fast.Yet, on the ring-shaped step 1 of seal ring 3 one ends of this structure near the setting of attachment hole 2 inwalls, the other end leans on retainer ring 7, owing to inevitably can produce certain clearance between retainer ring 7 and collar 6 and the barrel-type casing 5, seal ring 3 axial positions may produce skew when hydrodynamic pressure was big, thereby influenced the sealing effect of joint.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, has proposed a kind of inserted type quick coupling with excellent sealing effect.
The purpose of this utility model can realize by following technical proposal: a kind of rapid pipe joint, comprise body with attachment hole, be installed with in the described attachment hole external pipe is pegged graft and clamping mechanism of dismantling and the seal ring that can form sealing with the pipeline that inserts, seal ring one side leans on the inboard position-limit mechanism that is provided with of attachment hole, it is characterized in that, fixedly install an annular gasket between described seal ring and the clamping mechanism, the seal ring opposite side is resisted against on the annular gasket.
In above-mentioned a kind of rapid pipe joint, described position-limit mechanism is the ring-shaped step one that is provided with in the attachment hole, and seal ring is fixedly installed between ring-shaped step one and the annular gasket,
External pipe inserts in the attachment hole of body, fixed by clamping mechanism, and seal by seal ring, because seal ring one end is resisted against on the ring-shaped step, the other end is resisted against on the annular gasket, therefore seal ring is axially fixed, thereby can not influence the performance of seal ring because of the gap between the interface arrangment.
In above-mentioned a kind of rapid pipe joint, described attachment hole inwall has ring-shaped step two, and the radius of ring-shaped step two is greater than the radius of ring-shaped step one, and described annular gasket is fixedly installed between ring-shaped step two and the clamping mechanism by a location mechanism.Fix by two pairs of annular gaskets of ring-shaped step, make the relative attachment hole fixed-site of annular gasket, in case the sealability of the bias effect seal ring of stop ring shape pad.
In above-mentioned a kind of rapid pipe joint, described positioning means comprises that one is close to the barrel-type casing that the attachment hole inwall is provided with, and the end of attachment hole has a reducing, and described barrel-type casing one end roof pressure is on annular gasket, and the other end is resisted against on the reducing inwall.This reducing is formed by the body riveted joint, and barrel-type casing one end leans on annular gasket, and the other end is by reducing inwall roof pressure, thereby the annular gasket position is firmly fixed.
As another kind of scheme, in above-mentioned a kind of rapid pipe joint, described attachment hole inwall has ring-shaped step two, and the radius of ring-shaped step two is greater than the radius of ring-shaped step one, described annular gasket by adhesive securement on ring-shaped step two.
In above-mentioned a kind of rapid pipe joint, described clamping mechanism is arranged in the barrel-type casing, comprises the collar with several claws, and described claw is to the inboard inclination of attachment hole.
In above-mentioned a kind of rapid pipe joint, have annular convex shoulder one on the described barrel-type casing, the barrel-type casing inwall is provided with a retainer ring, and described collar outward edge is fixed between annular convex shoulder one and the retainer ring.
In above-mentioned a kind of rapid pipe joint, the described collar outside is provided with one with its annular socket that claw can be strutted when push the attachment hole inboard, and annular socket one end has a wedge shape head that is used to strut claw, and the other end extends to outside the attachment hole.
In above-mentioned a kind of rapid pipe joint, described wedge shape head front end roof pressure is on the claw of collar, and the annular convex shoulder two that is provided with on rear end and the barrel-type casing leans.
Compared with prior art, this rapid pipe joint has flexible and convenient to use, firm and reliable connection, convenient disassembly, advantages such as good sealing effect.
Description of drawings
Fig. 1 is the structural representation of prior art rapid pipe joint.
Fig. 2 is the structural representation of this rapid pipe joint.
Among the figure, 1, body; 11, reducing; 2, attachment hole; 21, ring-shaped step one; 22, ring-shaped step two; 3, seal ring; 4, annular gasket; 5, barrel-type casing; 51, annular convex shoulder one; 52, annular convex shoulder two; 6, collar; 61, claw; 7, retainer ring; 8, annular socket; 81, wedge shape head.
Embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 2, this rapid pipe joint comprises the body 1 with attachment hole 2, be installed with in the attachment hole 2 external pipe is pegged graft and the clamping mechanism of dismantling, the clamping mechanism rear end is provided with the seal ring 3 that can form sealing with the pipeline that inserts, seal ring 3 one ends are resisted against on the ring-shaped step 1 that is provided with in the attachment hole 2, the other end is resisted against on the annular gasket 4, thereby seal ring 3 positions are fixed, and can not influence the performance of seal ring 3 because of the gap between the interface arrangment.Ring-shaped step one 21 outsides have ring-shaped step 2 22, and the radius of ring-shaped step 2 22 is greater than the radius of ring-shaped step 1, and annular gasket 4 is resisted against on the ring-shaped step 2 22, and are fixing by barrel-type casing 5.Barrel-type casing 5 is close to attachment hole 2 inwall settings, one end roof pressure is on annular gasket 4, the other end is connected the reducing 11 inwall roof pressures of 2 ends, hole, this reducing 11 is formed by body 1 riveted joint, then reducing 11 inwall roof pressures are on barrel-type casing 5, barrel-type casing 5 presses annular gasket 4 one sides, and annular gasket 4 opposite side roof pressures are on the ring-shaped step 2 22 of attachment hole 2, so barrel-type casing 5 and annular gasket 4 all are fixed.
For guaranteeing the sealing effect of seal ring 3, the external diameter of annular gasket 4 should be between the external diameter and internal diameter of ring-shaped step 2 22, to make things convenient for barrel-type casing 5 spacing to it; As preferably, the external diameter of annular gasket 4 should equal the external diameter of ring-shaped step 2 22, and promptly the outside of annular gasket 4 contacts with attachment hole 2 inwalls, makes annular gasket 4 can not produce length travel, and barrel-type casing 5 roof pressures are also more stable on annular gasket 4.
Clamping mechanism comprises the collar 6 with several claws 61, and claw 61 is to attachment hole 2 inboard inclinations, and claw 61 can block pipeline when making pipeline insert collar 6, breaks away to prevent pipeline.Have the retainer ring 7 that is used to locate collar 6 in the attachment hole 2, retainer ring 7 one ends are close to annular gasket 4 and are provided with, and have annular convex shoulder 1 on barrel-type casing 5, and collar 6 outward edges then are fixed between retainer ring 7 and the annular convex shoulder 1.Collar 6 outsides have one when with its annular socket 8 that when push attachment hole 2 inboards claw 61 is strutted, annular socket 8 one ends have a wedge shape head 81 that is used to strut claw 61, the other end extends to outside the attachment hole 2, wedge shape head 81 front end roof pressures are on the claw 61 of collar 6, the annular convex shoulder 2 52 that is provided with on rear end and the barrel-type casing 5 leans, and the internal diameter of annular socket 8 equals or is slightly larger than the most inboard internal diameter of attachment hole 2; As preferably, the internal diameter of annular socket 8 should be slightly larger than the most inboard internal diameter of attachment hole 2, because of annular socket 8 has the effect that struts claw 61 on the one hand, also has leading role on the other hand to pipeline, if outer diameter tube just equates with annular socket 8 internal diameters, then when needs dismountings pipeline, annular socket 8 is less with the pipeline matching gap, is unfavorable for that annular socket 8 pushes to attachment hole 2 inboards.
When external pipe inserts attachment hole 2 when the most inboard by annular socket 8, the claw 61 of collar 6 is stuck with pipeline, thereby pipeline can not break away from backward, simultaneously seal ring 3 seals it, because seal ring 3 is arranged between ring-shaped step 1 and the annular gasket 4, therefore seal ring 3 is not subjected to the influence of matching gap between collar 6, retainer ring 7 and the annular socket 8, and sealing effect is fine.When needing the dismounting pipeline, annular socket 8 is pushed to attachment hole 2 inboards, the wedge shape head 81 of annular socket 8 is strutted the claw on the collar 6 61, pipeline is outwards detached get final product then, whole grafting and unloading process are convenient, flexible, and good seal performance.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as body 1, reducing 11, attachment hole 2, ring-shaped step 1, ring-shaped step 2 22, seal ring 3, annular gasket 4, barrel-type casing 5, annular convex shoulder 1, annular convex shoulder 2 52, collar 6, claw 61, retainer ring 7, annular socket 8, wedge shape head 81 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 utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (9)
1. rapid pipe joint, comprise the have attachment hole body (1) of (2), be installed with in the described attachment hole (2) external pipe is pegged graft and clamping mechanism of dismantling and the seal ring (3) that can form sealing with the pipeline that inserts, seal ring (3) one sides lean on the inboard position-limit mechanism that is provided with of attachment hole (2), it is characterized in that, fixedly install an annular gasket (4) between described seal ring (3) and the clamping mechanism, seal ring (3) opposite side is resisted against on the annular gasket (4).
2. a kind of rapid pipe joint according to claim 1 is characterized in that, described position-limit mechanism is the ring-shaped step one (21) that is provided with in the attachment hole (2), and seal ring (3) is fixedly installed between ring-shaped step one (21) and the annular gasket (4).
3. a kind of rapid pipe joint according to claim 2, it is characterized in that, described attachment hole (2) inwall has ring-shaped step two (22), the radius of ring-shaped step two (22) is greater than the radius of ring-shaped step one (21), and described annular gasket (4) is fixedly installed between ring-shaped step two (22) and the clamping mechanism by a location mechanism.
4. a kind of rapid pipe joint according to claim 3, it is characterized in that, described positioning means comprises that one is close to the barrel-type casing (5) that attachment hole (2) inwall is provided with, the end of attachment hole (2) has a reducing (11), described barrel-type casing (5) one end roof pressures are on annular gasket (4), and the other end is resisted against on reducing (11) inwall.
5. according to claim 2 or 3 or 4 described a kind of rapid pipe joints, it is characterized in that, described attachment hole (2) inwall has ring-shaped step two (22), the radius of ring-shaped step two (22) is greater than the radius of ring-shaped step one (21), described annular gasket (4) by adhesive securement on ring-shaped step two (22).
6. a kind of rapid pipe joint according to claim 4 is characterized in that, described clamping mechanism is arranged in the barrel-type casing (5), comprises the collar (6) with several claws (61), and described claw (61) is to the inboard inclination of attachment hole (2).
7. a kind of rapid pipe joint according to claim 6, it is characterized in that, have annular convex shoulder one (51) on the described barrel-type casing (5), barrel-type casing (5) inwall is provided with a retainer ring (7), and described collar (6) outward edge is fixed between annular convex shoulder one (51) and the retainer ring (7).
8. a kind of rapid pipe joint according to claim 6, it is characterized in that, described collar (6) outside is provided with one with its annular socket (8) that claw (61) can be strutted when push the inboard to attachment hole (2), annular socket (8) one ends have a wedge shape head (81) that is used to strut claw (61), and the other end extends to outside the attachment hole (2).
9. a kind of rapid pipe joint according to claim 8 is characterized in that, described wedge shape head (81) front end roof pressure is on the claw (61) of collar (6), and rear end and barrel-type casing (5) are gone up the annular convex shoulder two (52) that is provided with and leant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203127865U CN201561221U (en) | 2009-10-20 | 2009-10-20 | Quick coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203127865U CN201561221U (en) | 2009-10-20 | 2009-10-20 | Quick coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201561221U true CN201561221U (en) | 2010-08-25 |
Family
ID=42626365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203127865U Expired - Fee Related CN201561221U (en) | 2009-10-20 | 2009-10-20 | Quick coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201561221U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434742A (en) * | 2011-12-06 | 2012-05-02 | 朱辉 | Pipe connector for quick connection |
| CN102788212A (en) * | 2012-07-30 | 2012-11-21 | 佛山市日丰企业有限公司 | Straight insert type fast-connection pipe and pipe taking sleeve |
| CN104006246A (en) * | 2014-06-11 | 2014-08-27 | 乔耀兵 | Minor-caliber rapid connection pipeline joint |
| CN106510469A (en) * | 2017-01-10 | 2017-03-22 | 苏州咖博士咖啡***科技有限公司 | In-out opening connecting structure for beverage machine heating device |
-
2009
- 2009-10-20 CN CN2009203127865U patent/CN201561221U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434742A (en) * | 2011-12-06 | 2012-05-02 | 朱辉 | Pipe connector for quick connection |
| CN102788212A (en) * | 2012-07-30 | 2012-11-21 | 佛山市日丰企业有限公司 | Straight insert type fast-connection pipe and pipe taking sleeve |
| CN102788212B (en) * | 2012-07-30 | 2014-11-19 | 佛山市日丰企业有限公司 | Straight insert type fast-connection pipe and pipe taking sleeve |
| CN104006246A (en) * | 2014-06-11 | 2014-08-27 | 乔耀兵 | Minor-caliber rapid connection pipeline joint |
| CN106510469A (en) * | 2017-01-10 | 2017-03-22 | 苏州咖博士咖啡***科技有限公司 | In-out opening connecting structure for beverage machine heating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20161020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |