CN203847872U - Quick pipe joint - Google Patents
Quick pipe joint Download PDFInfo
- Publication number
- CN203847872U CN203847872U CN201420228456.9U CN201420228456U CN203847872U CN 203847872 U CN203847872 U CN 203847872U CN 201420228456 U CN201420228456 U CN 201420228456U CN 203847872 U CN203847872 U CN 203847872U
- Authority
- CN
- China
- Prior art keywords
- installation cavity
- retainer
- movable sheath
- pipe joint
- ring seals
- 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.)
- Expired - Lifetime
Links
- 238000009434 installation Methods 0.000 claims description 59
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 208000004141 microcephaly Diseases 0.000 claims description 5
- 230000001737 promoting effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000003825 pressing Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a quick pipe joint which solves the problems that according to an existing pipe joint, insert-connection is not convenient, damage on the surface of a hose is large, and the pipe joint is not suitable for connecting pipes which are hard. The quick pipe joint comprises an annular body, a mounting cavity is formed in the end portion of the body, and a clamping structure and an O-shaped sealing ring are arranged in the mounting cavity. The quick pipe joint is characterized in that the inner circumferential face of the mounting cavity is in a truncated cone shape, the small end of the mounting cavity is outward, the clamping structure comprises a plurality of balls which are assembled on an annular retaining frame, the outer diameter of the retaining frame is smaller than the inner diameter of the large end of the mounting cavity and larger than the inner diameter of the small end of the mounting cavity, and the balls protrude to the radial inner side of the retaining frame to make contact with the outer circumferential face of a pipe which is inserted into the small end of the mounting cavity.
Description
Technical field
The utility model relates to a kind of for connecting fluid circuit, as the Quick-action type pipe joint of tap water pipe line.
Background technique
Chinese utility model patent (the patent No.: 201020238654.5) disclose a kind of Quick fastening pipe coupling, comprise body cylindraceous, in body, be provided with successively from inside to outside O RunddichtringO, collar, collar is provided with the oblique some latches that stretch to seal ring, is provided with for stopping the barrier structure of collar towards the motion of O RunddichtringO direction on body.Under the restriction effect of barrier structure, insert pipeline in body time, collar has good axial stability, can not oppress O RunddichtringO, make O RunddichtringO can be smoothly and pipeline realize socket, improve the grafting convenience between this pipe joint and pipeline, the good airproof performance between pipeline and this pipe joint.
This housing type pipe coupling is owing to being provided with described collar, in the time pegging graft operation, because deformation need to occur the latch on collar, inconvenience seems in the time realizing and other body plugs, and this collar is comparatively serious to the outer circumferential face damage of joining body, and be not too suitable for the relatively large body of hardness to connect.
Summary of the invention
For overcoming above-mentioned defect, the utility model technical issues that need to address: a kind of quick coupling is provided, and this pipe joint has and other body clamping effect easily, and be applicable to being applied to the connection of the body relatively large to hardness.
For solveing the technical problem, the technical solution of the utility model: a kind of quick coupling, comprise annular body, in the end of body, be formed with installation cavity, in installation cavity, be provided with interface arrangment and O-ring seals, 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 annular retainer, the external diameter of retainer between the internal diameter of installation cavity stub end and the internal diameter of the little head end of installation cavity, the radially inner side that ball protrudes into retainer for hold the outer circumferential face of the body of insertion to contact from installation cavity microcephaly.When this pipe joint is connected with other body, the end of body is inserted in installation cavity from the microcephaly of installation cavity, in the time inserting, if ball stops the insertion of body, body can promote retainer and drive the stub end displacement of ball towards installation cavity, thereby allow open position, retainer is socketed on body, ball is between body outer circumferential face and installation cavity inner peripheral surface.In the time oppositely pulling body, due to the effect of frictional force, retainer reversing motion, and ball is connected on the inner peripheral surface of body outer circumferential face and installation cavity, further pull out to hinder body, thereby can realize firm connection the between this pipe joint and body.Described O-ring seals is for realizing the sealing between body and body.
On retainer, be provided with penetrating hemispherical dimples, the outer bore dia of pit is greater than pit diameter of bore, and pit diameter of bore is less than ball diameter.The pit of this shape is convenient to the rolling of ball in pit, to realize fast the firm clamping between body and pipe joint.
In described installation cavity, be provided with movable sheath to concentric gap, the outer end of movable sheath reaches the outside of installation cavity, and retainer is pointed in the inner of movable sheath, and for promoting the stub end displacement of retainer to installation cavity, the little head end of installation cavity is socketed on movable sheath.Promote movable sheath by the inside towards installation cavity, can promote the stub end displacement of retainer towards installation cavity, thereby can remove the clamping of ball to installation cavity inner peripheral surface and body outer circumferential face, make this pipe joint there is function for convenience detach.
The inner one-body molded export-oriented bulge loop that has of movable sheath, body end is one-body molded have interior to pressure ring, interior to pressure ring by stopping that export-oriented bulge loop limits movable sheath and deviates from installation cavity.The export-oriented bulge loop arranging can interiorly be realized the restriction to movable sheath to pressure ring by integrated on body on the one hand, to prevent that movable sheath from deviating from installation cavity completely; On the other hand, due to the formation of export-oriented bulge loop, also make the area of movable sheath interior edge face relatively large, be convenient to fit with the end face of retainer, thereby can improve the stability that movable sheath promotes retainer.
Described O-ring seals is two, is provided with annular gasket in installation cavity between two O-ring seals, and two O-ring seals and annular gasket three fit together coaxially.Twice O-ring seals can effectively increase the sealability between body and body, and by annular gasket is set, can be convenient to the setting to O-ring seals, contribute to the maintenance of O-ring seals spatial form, while facilitating body to peg graft, can successfully be plugged in O-ring seals.
On the axial opposite end surface of annular gasket, be respectively equipped with circular groove, two O-ring seals fit with the bottom surface of these two circular grooves respectively.This has further improved the positional stability of O-ring seals on annular gasket.
Therefore, the beneficial effects of the utility model: due to described retainer being set, and described ball is set on retainer, when this pipe joint plugs with other body, itself does not need to occur deformation retainer and ball, only need in installation cavity, there is axial displacement, be convenient to body smoothly through retainer.With respect to the latch on existing collar, ball is only the surface that is crimped on body, can not cause larger damage to the surface of body.And, be by ball wedging between body outer circumferential face and the inner peripheral surface of installation cavity, ball does not need to be plugged in body surface, this pipe joint is applicable to being applied to the relatively large body of hardness is connected.In the time dismantling, the promotion by movable sheath to retainer, because ball itself has good rollability, retainer can be successfully towards the motion of installation cavity stub end place, and the convenient disassembly of this pipe joint is good.
Brief description of the drawings
Fig. 1 is the longitudinal sectional view of a kind of mode of execution of this quick coupling.
Fig. 2 is the longitudinal sectional view of the another kind of mode of execution of this quick coupling.
Fig. 3 is the sectional view of retainer in this quick coupling.
Embodiment
See in figure, the utility model quick coupling comprises annular body 3, there is installation cavity 7 in the end of body 3, in installation cavity 7, be provided with the interface arrangment of ball type, this interface arrangment, for the body being inserted in installation cavity 7 is carried out to clamping, makes body can not realize with this pipe joint and throwing off mutually under normal state.
Body 3 is thin-wall metal structure, and the inner peripheral surface of the interior installation cavity 7 of body 3 is frustoconical, and toward the outer side, the shape described in installation cavity 7 inner peripheral surfaces is changed and formed by the radial dimension of body 3 to the little head end of installation cavity 7.
Described interface arrangment comprises the retainer 9 of ring, is provided with some balls 10 on retainer 9.Specifically on retainer 9, be provided with the number pit consistent with ball 10 6, pit 6 is hemisphere, the outer bore dia of pit 6 is greater than pit 6 diameter of bores, the diameter of ball 10 is greater than pit 6 diameter of bores, a ball 10 is placed in a pit 6, and ball 10 be placed into pit 6 interior after, ball 10 can see through the endoporus of pit 6 and protrude into the inner side of retainer 9.
Installation cavity 7 interior concentric gap be plugged with movable sheath 5, movable sheath 5 is held insertion from the microcephaly of installation cavity 7, the little head end of installation cavity 7 is socketed in the periphery of movable sheath 5.The inner of movable sheath 5 is positioned at installation cavity 7, and outer end reaches the outside of body 3 ends, after the inside axial motion of movable sheath 5, can promote the stub end displacement of retainer 9 towards installation cavity 7.Promotion for ease of movable sheath 5 to retainer 9, movable sheath 5 inner ends are one-body molded to be had export-oriented bulge loop 8, this extroversion bulge loop 8 to refer to towards the radial outside of movable sheath 5 to protrude, and in the time promoting retainer 9, export-oriented bulge loop 8 fits with the end face of retainer 9.For preventing that movable sheath 5 from throwing off installation cavity 7, body 3 ends by undergauge change form in to pressing mouthfuls 4, the interior external diameter that is less than export-oriented bulge loop 8 to the internal diameter of pressing mouthfuls 4, interior to pressing mouthfuls 4 to make movable sheath 5 can not throw off installation cavity 7 by stopping export-oriented bulge loop 8.
In installation cavity 7, be provided with O-ring seals 11, the O-ring seals 11 in Fig. 1 is one, and the O-ring seals 11 in Fig. 2 is two, and these two seal rings 11 are coaxially arranged in installation cavity 7 side by side.In installation cavity 7, between two O-ring seals 11, be provided with annular gasket 12, on the axial opposite end surface of annular gasket 12, be respectively arranged with circular groove, O-ring seals 11 be assemblied in installation cavity 7 interior after, two O-ring seals 11 and annular gasket 12 threes fit together, and two O-ring seals 11 fit with the bottom surface of two circular grooves respectively.
The above-mentioned interface arrangment of this pipe joint is generally arranged on the end of columnar connecting tube 1, and this connecting tube 1 can be straight tube, can be also three-way pipe and swan neck.Connecting tube 1 is connected as a single entity with described body 3, and the external diameter of connecting tube 1 is less than the external diameter of body 3, thereby be formed with step surface 2 between body 3 and the end of connecting tube 1, so that the stability of interior the assembled O-ring seals 11 of installation cavity 7, retainer 9 axial positions, also can be convenient to toward the interior insertion pipe body of body 3 simultaneously.
This pipe joint is realized while being connected with body, and body is through movable sheath 5, retainer 9 annular gaskets 12 and O-ring seals 11, and the interior edge face of body is finally resisted against on the step surface 2 forming between body 3 and connecting tube 1.While oppositely pulling body, under the effect of frictional force, body pulls the microcephaly end movement of retainer 9 towards installation cavity 7 by ball 10, and makes ball 10 wedgings between installation cavity 7 inner peripheral surfaces and body outer circumferential face and limit body and further pull towards the outside of pipe joint.In the time realizing dismounting, operant activity cover 5, make movable sheath 5 inner mobile towards inner pipe joint, the inner end of movable sheath 5 promotes the stub end displacement of retainer 9 towards installation cavity 7, and make the ball 10 on retainer 9 unclamp the clamping to body, after movable sheath 5 remains on corresponding position, can smoothly body be extracted out in this pipe joint.
Claims (6)
1. a quick coupling, comprises annular body, in the end of body, is formed with installation cavity, is provided with interface arrangment and O-ring seals 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 annular retainer, the external diameter of retainer between the internal diameter of installation cavity stub end and the internal diameter of the little head end of installation cavity, the radially inner side that ball protrudes into retainer for hold the outer circumferential face of the body of insertion to contact from installation cavity microcephaly.
2. quick coupling according to claim 1, is characterized in that, is provided with penetrating hemispherical dimples on retainer, and the outer bore dia of pit is greater than pit diameter of bore, and pit diameter of bore is less than ball diameter.
3. quick coupling according to claim 1 and 2, it is characterized in that, in described installation cavity, be provided with to concentric gap movable sheath, the outer end of movable sheath reaches the outside of installation cavity, retainer is pointed in the inner of movable sheath, movable sheath is for promoting the stub end displacement of retainer to installation cavity, and the little head end of installation cavity is socketed on movable sheath.
4. quick coupling according to claim 3, is characterized in that, the inner one-body molded export-oriented bulge loop that has of movable sheath, body end is one-body molded have interior to pressure ring, interior to pressure ring by stopping that export-oriented bulge loop limits movable sheath and deviates from installation cavity.
5. quick coupling according to claim 1 and 2, is characterized in that, described O-ring seals is two, is provided with annular gasket in installation cavity between two O-ring seals, and two O-ring seals and annular gasket three fit together coaxially.
6. quick coupling according to claim 5, is characterized in that, on the axial opposite end surface of annular gasket, is respectively equipped with circular groove, and two O-ring seals fit with the bottom surface of these two circular grooves respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420228456.9U CN203847872U (en) | 2014-05-07 | 2014-05-07 | Quick pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420228456.9U CN203847872U (en) | 2014-05-07 | 2014-05-07 | Quick pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203847872U true CN203847872U (en) | 2014-09-24 |
Family
ID=51560890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420228456.9U Expired - Lifetime CN203847872U (en) | 2014-05-07 | 2014-05-07 | Quick pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203847872U (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 |
| CN111494773A (en) * | 2020-04-24 | 2020-08-07 | 东莞市飞尧科技有限公司 | Medical oxygen terminal with dustproof push cover |
| CN112709867A (en) * | 2020-12-23 | 2021-04-27 | 常德祉博新型装饰材料有限责任公司 | Water supply wall bushing for interior decoration engineering |
-
2014
- 2014-05-07 CN CN201420228456.9U patent/CN203847872U/en not_active Expired - Lifetime
Cited By (5)
| 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 |
| CN111494773A (en) * | 2020-04-24 | 2020-08-07 | 东莞市飞尧科技有限公司 | Medical oxygen terminal with dustproof push cover |
| CN111494773B (en) * | 2020-04-24 | 2023-10-03 | 湖南和胜医疗科技有限公司 | Medical oxygen terminal with dustproof push cover |
| CN112709867A (en) * | 2020-12-23 | 2021-04-27 | 常德祉博新型装饰材料有限责任公司 | Water supply wall bushing for interior decoration engineering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |
|
| CX01 | Expiry of patent term |