CN204512745U - Joint and clinging type pipe joint - Google Patents
Joint and clinging type pipe joint Download PDFInfo
- Publication number
- CN204512745U CN204512745U CN201520180441.4U CN201520180441U CN204512745U CN 204512745 U CN204512745 U CN 204512745U CN 201520180441 U CN201520180441 U CN 201520180441U CN 204512745 U CN204512745 U CN 204512745U
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- lining
- joint
- pipe joint
- retainer
- peripheral surface
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Abstract
The utility model discloses a kind of joint and clinging type pipe joint, solve the defect of the copper tube joint stability in use difference of existing band ball type interface arrangment, the technical measures taked: a kind of joint and clinging type pipe joint, comprise the body of annular, interface arrangment and O-ring seals is provided with in body, interface arrangment comprises some balls, ball is assemblied on the retainer of annular, it is characterized in that, lining is provided with in body, the hardness of lining is greater than the hardness of body, the inner peripheral surface of lining is frustoconical, the little head end of this inner peripheral surface is towards the outside of body, retainer is positioned at lining, ball protrude into retainer radially inner side and for the outer circumferential face phase clamping with the body be inserted in lining under the effect of lining inner peripheral surface, body carries out axial restriction to lining.
Description
Technical field
The utility model relates to a kind of pipe joint, especially relates to a kind of pipe joint realizing quick clamping be applied on fluid circuit.
Background technique
Chinese utility model patent (the patent No.: 201420228456.9) disclose a kind of quick coupling, solve existing pipe joint grafting inconvenience, large to hose surface damage, be not suitable for being applied to the body relatively large to hardness and carry out connection defect, the technical measures taked: a kind of quick coupling, comprise the body of annular, installation cavity is formed in the end of body, interface arrangment and O-ring seals is provided with in installation cavity, it is characterized in that, the inner peripheral surface of installation cavity is frustoconical, and the little head end of installation cavity toward the outer side; Described interface arrangment comprises some balls, ball is assemblied on the retainer of annular, the external diameter of retainer is between the internal diameter and the internal diameter of the little head end of installation cavity of installation cavity stub end, and ball protrudes into the radially inner side of retainer for contacting with the outer circumferential face of the body inserted from the little head end of installation cavity.
This quick coupling is when body is red copper material, due to the physical property of red copper itself, body not easily realizes good restriction to interface arrangment, when with the clamping of fluid line phase, if axially loaded is larger, and ball and body inner peripheral surface are generally point cantact, ball easily makes body deform, and can have influence on the stability in use of this pipe joint.
Summary of the invention
For overcoming above-mentioned defect, the utility model technical issues that need to address: provide a kind of joint and clinging type pipe joint, when the body material in this pipe joint is red copper, can ensure the stability in use of pipe joint.
For solveing the technical problem, the technical solution of the utility model: a kind of joint and clinging type pipe joint, comprise the body of annular, interface arrangment and O-ring seals is provided with in body, interface arrangment comprises some balls, ball is assemblied on the retainer of annular, it is characterized in that, lining is provided with in body, the hardness of lining is greater than the hardness of body, the inner peripheral surface of lining is frustoconical, the little head end of this inner peripheral surface is towards the outside of body, retainer is positioned at lining, ball protrude into retainer radially inner side and for the outer circumferential face phase clamping with the body be inserted in lining under the effect of lining inner peripheral surface, body carries out axial position restriction to lining.When this pipe joint and other body are connected, the end of body is inserted in lining, when inserting, if ball stops the insertion of body, then body can promote ball and drives retainer towards displacement inside body, make ball by open position due to the change of lining inner peripheral surface internal diameter, make retainer be socketed on body, ball is between body outer circumferential face and lining inner peripheral surface.When oppositely pulling body, due to the effect of frictional force, retainer reversing motion, and make ball be connected on body outer circumferential face and lining inner peripheral surface, to hinder body further to pull out, thus can to realize between this pipe joint with body firm connects.Described O-ring seals is for realizing the sealing between body and body.Lining is generally stainless steel, body limits the end of body can be made to be crimped on the shoulder of lining by Leading Edge Deformation as following to the axis of lining, also can be form circular groove on the side face of lining, be crimped onto in this circular groove by the deformation of body relevant position, and realize body the axis of lining is limited.
Lining is formed with the shoulder of annular, the end of body is crimped on the shoulder of lining.It is easy to assembly, quick that this makes this pipe joint, and structure is simple, directly namely can make the end of body that deformation occurs by the mode of punching press and directly be crimped onto on the shoulder of lining.
One-body molded on the shoulder of lining have bulge loop, and bulge loop reaches the axially outside of body.Be provided with bulge loop, be convenient to body end carries out deformation formula crimping to the shoulder of lining on the one hand, be also convenient to assembling activity cover due to the existence of bulge loop inner peripheral surface on the other hand, be convenient to the axial motion of movable sheath.
O-ring seals is positioned at the inner side of interface arrangment, is provided with the cushion of wavy annular between retainer and O-ring seals.By the crimping of cushion to O-ring seals, make O-ring seals good in intrinsic axial position stability, be convenient to body and be plugged in O-ring seals, ensure the sealing between pipe joint and body.
The plain cushion of annular is provided with between cushion and O-ring seals.Plain cushion can push down the entirety of O-ring seals, makes O-ring seals more stable in body.
Therefore, the beneficial effects of the utility model: the lining larger than body hardness is set in body, and the change of described lining inner peripheral surface internal diameter size, this pipe joint is when realizing clamping mutually with body, ball only can roll the inner peripheral surface of lining, and body can not be rolled, therefore body can not deform substantially, and this makes the use stability of this pipe joint good.
Accompanying drawing explanation
Fig. 1 is the longitudinal sectional view of joint and clinging type pipe joint.
Fig. 2 is the longitudinal sectional view of lining in this pipe joint.
Embodiment
See in figure, the utility model joint and clinging type pipe joint comprises the body 1 of annular, the interface arrangment of lining 2, O-ring seals 8 and ball type is provided with in body 1, interface arrangment is positioned at lining 2, this interface arrangment is used for carrying out clamping to the body be inserted in lining 2, makes body can not realize in normal state throwing off mutually with this pipe joint.
Described interface arrangment comprises the retainer 4 of ring, and retainer 4 is provided with some balls 6.Specifically on retainer 4, be provided with the number pit consistent with ball 65, pit 5 is hemisphere, the outer bore dia of pit 5 is greater than pit 5 diameter of bore, the diameter of ball 6 is greater than pit 5 diameter of bore, a ball 6 is placed in a pit 5, and ball 6 is placed into after in pit 5, ball 6 can protrude into the inner side of retainer 4 through the endoporus of pit 5.
The material of body 1 is red copper, and lining 2 is stainless steel, and the hardness of lining 2 is greater than the hardness of body 1, and the wear resistance of the lining 2 of stainless steel is also greater than the wear resistance of red copper.The inner peripheral surface of lining 2 is frustoconical, and the little head end of lining 2 inner peripheral surface is towards the outside of body 1.
The outer end of lining 2 is formed with shoulder 11, when assembling, lining 2 is assemblied in after in annular body 1, makes the end of body 1 that deformation occur and be crimped on the shoulder 11 of lining 2, to realize the restriction of body 1 pair of lining 2 axial position by the mode of punching press.One-body molded on the shoulder 11 of lining 2 have bulge loop 12, and bulge loop 12 reaches the outside of body 1 axis.
O-ring seals 8 is positioned at the inner side of interface arrangment, is provided with the cushion 7 of wavy annular between O-ring seals 8 and interface arrangment, is provided with the plain cushion 10 of annular between cushion 7 and O-ring seals 8.After completing the assembling of this pipe joint, cushion 7 generally needs by prepressing deformation, and makes O-ring seals 8 all the time by stable crimping, to ensure the positional stability of O-ring seals 8 in body 1.
In lining 2, be also provided with movable sheath 3, interface arrangment is promoted toward body 1 inside by movable sheath 3, and body and this pipe joint can be made to be separated.The outer circumferential face of movable sheath 3 the inner is provided with the annular convex of protrusion, the stop of annular convex inside the shoulder 11 of lining 2 and can stably remaining in lining 2, and the outer end of movable sheath 3 reaches the axially outside of lining 2.
When this pipe joint realizes being connected with body, body is through movable sheath 3, retainer 4, cushion 7, plain cushion 10 and O-ring seals 8, and the interior edge face of body is finally resisted against on the step surface 9 that body 1 inside formed.When oppositely pulling body, under the effect of frictional force, body drives retainer 4 towards microcephaly's end movement of lining 2 inner peripheral surface by ball 6, and makes ball 6 wedging limit body between lining 2 inner peripheral surface and body outer circumferential face further to pull towards the outside of pipe joint.When realizing dismounting, make movable sheath 3 mobile towards pipe joint inside, the inner end of movable sheath 3 promotes the stub end displacement of retainer 4 towards lining 2 inner peripheral surface, and make the ball 6 on retainer 4 unclamp clamping to body, keep on a corresponding position at movable sheath 3, can smoothly body be extracted out in this pipe joint.
Claims (5)
1. a joint and clinging type pipe joint, comprise the body of annular, interface arrangment and O-ring seals is provided with in body, interface arrangment comprises some balls, ball is assemblied on the retainer of annular, it is characterized in that, lining is provided with in body, the hardness of lining is greater than the hardness of body, the inner peripheral surface of lining is frustoconical, the little head end of this inner peripheral surface is towards the outside of body, retainer is positioned at lining, ball protrude into retainer radially inner side and for the outer circumferential face phase clamping with the body be inserted in lining under the effect of lining inner peripheral surface, body carries out axial position restriction to lining.
2. joint and clinging type pipe joint according to claim 1, is characterized in that, lining is formed with the shoulder of annular, the end of body is crimped on the shoulder of lining.
3. joint and clinging type pipe joint according to claim 2, is characterized in that, one-body molded on the shoulder of lining have bulge loop, and bulge loop reaches the axially outside of body.
4. the joint and clinging type pipe joint according to claim 1,2 or 3, is characterized in that, O-ring seals is positioned at the inner side of interface arrangment, is provided with the cushion of wavy annular between retainer and O-ring seals.
5. joint and clinging type pipe joint according to claim 4, is characterized in that, is provided with the plain cushion of annular between cushion and O-ring seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520180441.4U CN204512745U (en) | 2015-03-30 | 2015-03-30 | Joint and clinging type pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520180441.4U CN204512745U (en) | 2015-03-30 | 2015-03-30 | Joint and clinging type pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204512745U true CN204512745U (en) | 2015-07-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520180441.4U Active CN204512745U (en) | 2015-03-30 | 2015-03-30 | Joint and clinging type pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204512745U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813027A (en) * | 2017-03-27 | 2017-06-09 | 戴爱清 | Ball locking type conduit coupling |
| CN107606359A (en) * | 2017-10-27 | 2018-01-19 | 陈清龙 | A kind of pipe fitting plugs together the connector of self-locking |
| CN110594515A (en) * | 2019-08-26 | 2019-12-20 | 宁波诗兰姆汽车零部件有限公司 | Pipe joint |
-
2015
- 2015-03-30 CN CN201520180441.4U patent/CN204512745U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813027A (en) * | 2017-03-27 | 2017-06-09 | 戴爱清 | Ball locking type conduit coupling |
| CN106813027B (en) * | 2017-03-27 | 2019-02-26 | 戴爱清 | Ball locking type conduit coupling |
| CN107606359A (en) * | 2017-10-27 | 2018-01-19 | 陈清龙 | A kind of pipe fitting plugs together the connector of self-locking |
| CN110594515A (en) * | 2019-08-26 | 2019-12-20 | 宁波诗兰姆汽车零部件有限公司 | Pipe joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |