CN201787245U - Quick connector for pipeline connection - Google Patents
Quick connector for pipeline connection Download PDFInfo
- Publication number
- CN201787245U CN201787245U CN2010205407967U CN201020540796U CN201787245U CN 201787245 U CN201787245 U CN 201787245U CN 2010205407967 U CN2010205407967 U CN 2010205407967U CN 201020540796 U CN201020540796 U CN 201020540796U CN 201787245 U CN201787245 U CN 201787245U
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- CN
- China
- Prior art keywords
- joint
- elastic clamping
- coupling
- male
- quick
- 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 - Fee Related
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- 239000002184 metal Substances 0.000 claims abstract description 5
- 230000008878 coupling Effects 0.000 claims description 40
- 238000010168 coupling process Methods 0.000 claims description 40
- 238000005859 coupling reaction Methods 0.000 claims description 40
- 230000000670 limiting effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 13
- 210000000078 claw Anatomy 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a quick connector applied for pipeline connection, which comprises a female joint (6), a sealing ring (5) and a male joint (1). The male joint (1) is connected inside the female joint (6). The sealing ring (5) which is located inside the female joint (6) seals the end face of the male joint (1). The quick connector further comprises metal elastic clamping seats (2). The female joint (6) comprises a hollow chamber (12) where the elastic clamping seats are located. The elastic clamping seats are also clamped on the side wall of the hollow chamber (12). The male joint (1) is clamped inside the elastic clamping seats (2). By adopting the above structure and replacing the plastic clamping ring and the cap in a prior quick connector with the elastic clamping seats, the male joint and the female joint are convenient to be in clamping connection by using the external tension of the elastic clamping seats. Therefore, the utility model which has a simple structure is also convenient and rapid to operate when in use.
Description
Technical Field
The utility model relates to a pipe joint specifically says to a quick-operation joint for tube coupling who is applicable to among the medium-high pressure pipe-line system.
Background
In a pipeline system, a joint for connecting pipe fittings in the prior art is used for connecting two pipe fittings in a threaded connection mode, and the two ends of the two pipe fittings are respectively sleeved with threads in the threaded connection mode, so that the working efficiency is low during connection, and the joint is easy to leak due to poor sealing. In order to solve the problem, people develop a quick coupling, the quick coupling in the prior art comprises a female coupling, a male coupling, a cover cap and a plurality of sealing rings, the female coupling is a hollow cylinder with internal threads, one end of the male coupling is a conical end face, the rear part of the conical end face is provided with an annular clamping groove, a clamping ring is clamped in the clamping groove, the male coupling is inserted into the female coupling and tightly presses the male coupling in the female coupling through the matching of the cover cap and the internal threads of the female coupling, and the end face of the cover cap is tightly abutted to the end face of the clamping ring. Therefore, performance factors such as the tensile resistance of the clamping ring directly influence the service performance and the service life of the quick joint.
However, such a quick coupling has the following disadvantages:
1) when the quick connector is used, the male connector penetrates through the through hole of the cover cap, the retainer ring is clamped in the clamping groove of the male connector, and the cover cap is screwed in the female connector, so that the quick connector is troublesome to operate and cannot meet the requirement for quickness;
2) in addition, the collar is a flat-pad plastic collar, the tensile resistance of the collar is usually about 1200N, and the collar is generally only suitable for connection in low-pressure pipelines and cannot be used for pipeline connection of a system with higher pressure (namely, more than 3.5 MPa);
3) meanwhile, the clamping ring is easy to wear, and once the clamping ring is worn, the whole joint cannot be used.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a, simple structure, convenient operation's a quick-operation joint for tube coupling is provided.
In order to solve the technical problem, the utility model provides a quick-operation joint for pipe connection, including female joint, sealing washer and male joint, male joint connect in female joint, the sealing washer be located female joint and with male joint end face seal, this quick-operation joint still includes the elasticity cassette that the metal was made, female joint the cavity has, the elasticity cassette be located the cavity and the joint is on the lateral wall of cavity, the male joint in the elasticity cassette.
The elastic clamping seat is provided with at least two symmetrical clamping jaws along the circumferential direction, each clamping jaw is provided with an outer inclined surface and an inner inclined surface, one end of each inner inclined surface is connected with one end of each outer inclined surface, and the other end of each inner inclined surface is a free end; the other end of the outer inclined plane is connected with the bottom surface of the elastic clamping seat, and a central circular hole is formed in the bottom surface.
The connecting part of the inner inclined plane and the outer inclined plane is a round angle, and the elastic clamping seat is clamped on the side wall of the cavity of the female joint through the connecting part.
One end of the male joint is positioned in the central circular hole, an annular convex strip is arranged on the male joint, and the annular convex strip is clamped between the free end of the inner inclined plane and the bottom surface of the elastic clamping seat.
After the structure more than adopting, compared with the prior art, the utility model, have following advantage:
1) the plastic clamping ring and the nut cap in the quick connector in the prior art are eliminated and replaced by the elastic clamping seat, and the male connector and the female connector are conveniently clamped together by utilizing the external tension of the elastic clamping seat, so that the quick connector is simple in structure and is very convenient and quick to operate when in use.
2) A conical body similar to a cone with a thick lower part and a thin upper part is formed between the inner inclined surface and the outer inclined surface of the clamping jaw in the elastic clamping seat, so that the tensile resistance which can be born in the axial direction is larger, and the elastic clamping seat is suitable for pipeline connection with larger system pipeline pressure (namely larger than 3.5 MPa).
3) In addition, the elastic clamping seat made of the metal has good wear resistance, and the service life of the quick joint can be ensured.
As an improvement, a port of the female joint is provided with a convex ring which has an axial limiting function on the joint of the outer inclined surface and the inner inclined surface of the clamping jaw, the convex ring is an inward radial protrusion along the circumferential direction, and the cross section of the convex ring is semicircular. After the structure is adopted, the convex ring which protrudes inwards plays a role in limiting, so that the joint of the inner inclined plane and the outer inclined plane of the clamping jaw in the elastic clamping seat is limited in the cavity of the female joint and cannot run out, and the structure of the whole joint is simpler.
As a further improvement, the free end of the inner inclined plane is an inward-bent arc curled edge. After adopting this kind of structure, both played the effect of screens, prevented again that this free end from taking place the condition of male joint surface fish tail.
As a further improvement, the optimum number of jaws is four. After the structure is adopted, the clamping jaw of the elastic clamping seat is stressed more uniformly and reasonably when in use, so that the service life of the joint is prolonged.
Drawings
FIG. 1 is a schematic view of a prior art quick connector
FIG. 2 is a schematic structural view of the quick coupling for pipeline connection according to the present invention;
fig. 3 is a schematic perspective view of the elastic card seat of the present invention;
fig. 4 is a schematic front view of the elastic clamping seat of the present invention.
Wherein,
the prior art is as follows: 1', a male joint; 6', a female joint; 14', a cap; 15' and a clamping groove; 16', a collar; 17', a special-shaped sealing ring;
the utility model discloses: 1. a male connector; 2. an elastic card holder; 3. an annular rib; 4. a central circular hole; 5. a seal ring; 6. a female joint; 7. a convex ring; 8. an inner bevel; 9. an outer bevel; 10. arc edge curling; 11. a bottom surface; 12. a cavity; 13. a claw is provided.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As can be seen from the schematic structural view of the prior art quick coupling shown in fig. 1, the quick coupling comprises a female coupling 6 ', a cap 14', a collar 16 ', a profiled sealing ring 17' and a male coupling 1 ', wherein after the male coupling 1' passes through the cap 14 ', the collar 16' is clamped in a clamping groove 15 'of the male coupling 1', so that the male coupling 1 'is clamped in the cap 14'. The cap 14 ' is then screwed into the female part 6 ' and a profiled sealing ring 17 ' is provided between the end face of the male part 1 ' and the bottom of the bore of the female part 6 ' for end face sealing.
As can be seen from the schematic structural diagrams of the quick coupling for pipeline connection of the present invention shown in fig. 2, fig. 3 and fig. 4, the quick coupling for pipeline connection comprises a female coupling 6, a sealing ring 5 and a male coupling 1, wherein the male coupling 1 is connected in the female coupling 6, and the sealing ring 5 is located in the female coupling 6 and is sealed with the end face of the male coupling 1. The quick joint further comprises an elastic clamping seat 2 made of metal, the female joint 6 is provided with a cavity 12, the elastic clamping seat 2 is located in the cavity 12 and clamped on the side wall of the cavity 12, and the male joint 1 is clamped in the elastic clamping seat 2.
The elastic clamping seat 2 is provided with at least two symmetrical clamping jaws 13 along the circumferential direction, and in this embodiment, the number of the clamping jaws 13 is four. Each jaw 13 has an outer inclined surface 9 and an inner inclined surface 8, one end of the inner inclined surface 8 is connected with one end of the outer inclined surface 9, and the other end of the inner inclined surface 8 is a free end. The other end of the outer inclined plane 9 is connected with the bottom surface 11 of the elastic clamping seat 2, and the bottom surface 11 is provided with a central round hole 4. The connection part of the inner inclined plane 8 and the outer inclined plane 9 is a round angle, and the elastic clamping seat 2 is clamped on the side wall of the cavity 12 of the female joint 6 through the connection part. The free end of the inner inclined plane 8 is an arc curled edge 10 which is bent inwards.
One end of the male joint 1 is positioned in the central circular hole 4, the male joint 1 is provided with an annular convex strip 3, and the annular convex strip 3 is clamped between the free end of the inner inclined plane 8 and the bottom surface 11 of the elastic clamping seat 2.
The port of the female joint 6 is provided with a convex ring 7 which has an axial limiting function on the joint of the outer inclined surface 9 and the inner inclined surface 8 of the clamping jaw 13, the convex ring 7 is an inward radial protrusion along the circumferential direction, and the cross section of the convex ring is semicircular.
The utility model discloses quick-operation joint when the installation, impresses sealing washer 5 in female joint 6's hole bottom department earlier, passes the one end of male joint 1 again from the central round hole 4 department of 2 bottom surfaces 11 of elasticity cassette, makes 3 joints of annular sand grip between the circular arc turn-ups 10 and the bottom surface 11 of the 5 free ends of inner inclined plane of spring cassette 2. Then the spring clamping seat 2 and the male joint 1 are pressed into an inner hole of the female joint 6 together, so that the joint of the outer inclined surface 9 and the inner inclined surface 8 of the clamping jaw 13 in the spring clamping seat 2 with a fillet falls into the convex ring 7 of the female joint 6. Thus, the whole installation is completed, and the method is very simple and convenient.
The present invention is not limited to the above-mentioned structure, wherein the number of the claws 13 may be three, five, etc.; this variant falls within the scope of protection of the present invention.
Claims (7)
1. A quick coupling for pipe connection, comprising a female coupling (6), a seal ring (5) and a male coupling (1), wherein the male coupling (1) is connected in the female coupling (6), the seal ring (5) is positioned in the female coupling (6) and is sealed with the end face of the male coupling (1), and the quick coupling is characterized in that: the quick joint further comprises an elastic clamping seat (2) made of metal, the female joint (6) is provided with a cavity (12), the elastic clamping seat (2) is located in the cavity (12) and clamped on the side wall of the cavity (12), and the male joint (1) is clamped in the elastic clamping seat (2).
2. The quick connector for pipe connections according to claim 1, characterized in that: the elastic clamping seat (2) is provided with at least two symmetrical clamping jaws (13) along the circumferential direction, each clamping jaw (13) is provided with an outer inclined surface (9) and an inner inclined surface (8), one end of each inner inclined surface (8) is connected with one end of each outer inclined surface (9), and the other end of each inner inclined surface (8) is a free end; the other end of the outer inclined plane (9) is connected with the bottom surface (11) of the elastic clamping seat (2), and the bottom surface (11) is provided with a central round hole (4).
3. The quick connector for pipe connections according to claim 2, characterized in that: the connection part of the inner inclined plane (8) and the outer inclined plane (9) is a round angle, and the elastic clamping seat (2) is clamped on the side wall of the cavity (12) of the female joint (6) through the connection part.
4. Quick coupling for pipe connections according to claim 1 or 2, characterized in that: one end of the male joint (1) is positioned in the central circular hole (4), the male joint (1) is provided with an annular convex strip (3), and the annular convex strip (3) is clamped between the free end of the inner inclined plane (8) and the bottom surface (11) of the elastic clamping seat (2).
5. Quick coupling for pipe connections according to claim 1 or 2, characterized in that: the port department of female joint (6) have to the outer inclined plane (9) of jack catch (13) and have bulge loop (7) of axial limiting action with the junction of interior inclined plane (8), bulge loop (7) be along the radial protrusion of the inside of circumferencial direction, its cross section is semi-circular.
6. The quick connector for pipe connections according to claim 2, characterized in that: the free end of the inner inclined plane (8) is an arc curled edge (10) which is bent inwards.
7. The quick connector for pipe connections according to claim 2, characterized in that: the number of the clamping jaws (13) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205407967U CN201787245U (en) | 2010-09-21 | 2010-09-21 | Quick connector for pipeline connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205407967U CN201787245U (en) | 2010-09-21 | 2010-09-21 | Quick connector for pipeline connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201787245U true CN201787245U (en) | 2011-04-06 |
Family
ID=43819208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205407967U Expired - Fee Related CN201787245U (en) | 2010-09-21 | 2010-09-21 | Quick connector for pipeline connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201787245U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434740A (en) * | 2011-09-19 | 2012-05-02 | 中捷厨卫股份有限公司 | Quick connector and pipe connecting method |
| CN102818086A (en) * | 2011-06-09 | 2012-12-12 | 国品实业股份有限公司 | Clamp of quick connector and forming die thereof |
| CN103307357A (en) * | 2013-06-24 | 2013-09-18 | 向荣集团有限公司 | Groove type cable bridge elbow |
| CN104089116A (en) * | 2014-07-17 | 2014-10-08 | 李小红 | Pipe fitting connector |
| CN104295833A (en) * | 2014-07-26 | 2015-01-21 | 黄子颀 | Self-buckling type pipe connector with spring |
| CN106122642A (en) * | 2016-08-09 | 2016-11-16 | 浙江工业大学 | Quick connector for automobile pipeline |
| CN106247056A (en) * | 2016-09-23 | 2016-12-21 | 浙江工业大学 | A kind of conical surface locking pipeline fast joint |
| CN106287069A (en) * | 2016-09-23 | 2017-01-04 | 浙江工业大学 | A kind of squash type pipeline fast joint |
| CN107314181A (en) * | 2017-07-19 | 2017-11-03 | 浙江工业大学 | Quick joint of pipeline |
| CN109013471A (en) * | 2018-07-17 | 2018-12-18 | 安徽京冠派克流体科技有限公司 | A kind of water for cleaning pipe being easily installed |
| CN109339125A (en) * | 2018-11-06 | 2019-02-15 | 赵文忠 | Inclinometer pipe protective device |
| CN116411820A (en) * | 2023-03-03 | 2023-07-11 | 内蒙古工业大学 | Drill pipe butt joint structure of automatic water detection machine for coal mine |
-
2010
- 2010-09-21 CN CN2010205407967U patent/CN201787245U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818086A (en) * | 2011-06-09 | 2012-12-12 | 国品实业股份有限公司 | Clamp of quick connector and forming die thereof |
| CN102434740A (en) * | 2011-09-19 | 2012-05-02 | 中捷厨卫股份有限公司 | Quick connector and pipe connecting method |
| CN102434740B (en) * | 2011-09-19 | 2013-05-08 | 中捷厨卫股份有限公司 | Quick connector and pipe connecting method |
| CN103307357A (en) * | 2013-06-24 | 2013-09-18 | 向荣集团有限公司 | Groove type cable bridge elbow |
| CN104089116A (en) * | 2014-07-17 | 2014-10-08 | 李小红 | Pipe fitting connector |
| CN104295833A (en) * | 2014-07-26 | 2015-01-21 | 黄子颀 | Self-buckling type pipe connector with spring |
| CN106122642A (en) * | 2016-08-09 | 2016-11-16 | 浙江工业大学 | Quick connector for automobile pipeline |
| CN106122642B (en) * | 2016-08-09 | 2018-01-09 | 浙江工业大学 | Quick connector for automobile pipeline |
| CN106247056A (en) * | 2016-09-23 | 2016-12-21 | 浙江工业大学 | A kind of conical surface locking pipeline fast joint |
| CN106287069A (en) * | 2016-09-23 | 2017-01-04 | 浙江工业大学 | A kind of squash type pipeline fast joint |
| CN106247056B (en) * | 2016-09-23 | 2017-12-29 | 浙江工业大学 | A kind of conical surface locking pipeline fast joint |
| CN107314181A (en) * | 2017-07-19 | 2017-11-03 | 浙江工业大学 | Quick joint of pipeline |
| CN109013471A (en) * | 2018-07-17 | 2018-12-18 | 安徽京冠派克流体科技有限公司 | A kind of water for cleaning pipe being easily installed |
| CN109339125A (en) * | 2018-11-06 | 2019-02-15 | 赵文忠 | Inclinometer pipe protective device |
| CN116411820A (en) * | 2023-03-03 | 2023-07-11 | 内蒙古工业大学 | Drill pipe butt joint structure of automatic water detection machine for coal mine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20130921 |