CN213982429U - High-pressure quick-clamping outer joint - Google Patents
High-pressure quick-clamping outer joint Download PDFInfo
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- CN213982429U CN213982429U CN202023017211.6U CN202023017211U CN213982429U CN 213982429 U CN213982429 U CN 213982429U CN 202023017211 U CN202023017211 U CN 202023017211U CN 213982429 U CN213982429 U CN 213982429U
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- joint
- pull rod
- inner body
- endosome
- pressure quick
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Abstract
The utility model provides a high pressure quick clamping external joint is equipped with and connects the overcoat, it connects the endosome to be equipped with in the overcoat, be equipped with the pull rod in connecting the endosome, be equipped with the guide pin bushing on the pull rod, connect the overcoat with connect and be equipped with the multilobe jack catch between the endosome, connect the endosome with between the pull rod connect the endosome with between the guide pin bushing all be equipped with resilient means between connecting the endosome and connecting the overcoat, the guide pin bushing with between the multilobe jack catch with connect and all be equipped with the spigot surface between the overcoat, be equipped with sealing device on the pull rod, connect the endosome with also be equipped with sealing device between the pull rod. It has solved the current outer joint pressure-bearing less, the structure is complicated, the troublesome technical problem of dismouting. The utility model discloses but wide application in equipment and tube coupling.
Description
Technical Field
The utility model relates to an outer joint especially relates to a high pressure quick clamping outer joint.
Background
In fluid pipelines, various quick connectors are widely used for convenient and quick assembly and disassembly, and in the field of machinery industries such as automobiles, ships, petroleum, metallurgy and the like, with the continuous improvement of environmental protection and emission reduction requirements and technologies, high-strength pressure of hundreds of megapascals is often required to be borne, so that the design technical requirements on the quick connectors are very high, the existing quick connectors bearing the high pressure of hundreds of megapascals mainly depend on import, and the domestic technology needs to be improved.
The most core technology of the quick joint is the design of a connecting structure and a connecting mode, and the reliability and convenience of the use of the joint are determined, such as the sealing performance of the joint, whether high pressure can be borne, whether the clamping is convenient and fast, and the like. At present, the domestic quick connector can only bear general pressure, cannot bear hundreds of megapressures, has poor pressure resistance, has complicated design structure, is troublesome to disassemble and assemble, cannot realize quick clamping and has lower integral usability and safety in order to achieve the service performance of bearing certain high pressure.
Disclosure of Invention
The utility model discloses to the less, the complicated, the troublesome technical problem of dismouting of structure of current outer joint pressure-bearing, provide one kind and can bear great pressure, the dismouting is swift, easy operation, the longer high-pressure quick clamping outer joint of life-span.
Therefore, the technical scheme of the utility model, a high pressure quick clamping external joint is equipped with and connects the overcoat, it connects the endosome to be equipped with in the overcoat, be equipped with the pull rod in connecting the endosome, be equipped with the guide pin bushing on the pull rod, connect the overcoat with connect and be equipped with the multilobe jack catch between the endosome, connect the endosome with between the pull rod connect the endosome with between the guide pin bushing connect the endosome and connect the overcoat and all be equipped with resilient means, the guide pin bushing with between the multilobe jack catch with connect and all be equipped with the spigot surface between the overcoat, be equipped with sealing device on the pull rod, connect the endosome with also be equipped with sealing device between the pull rod.
Preferably, the rebounding device is a spring, the spring between the joint inner body and the pull rod is arranged on the pull rod, and the pull rod is provided with a backstop end face; the spring between the joint inner body and the guide sleeve is arranged on the guide sleeve.
Preferably, a shaft retaining ring is arranged on the joint inner body, a bushing is arranged on the outer side of the shaft retaining ring, and a spring between the joint inner body and the joint outer sleeve is arranged between the bushing and the joint outer sleeve.
Preferably, the guide surface between the guide sleeve and the multi-petal jaw comprises an inner conical surface on the multi-petal jaw and a round angle on the guide sleeve.
Preferably, the sealing device on the pull rod is an O-shaped ring, and the sealing device between the connector inner body and the pull rod is a Y-shaped ring.
Preferably, the multi-disc clamping jaw is provided with a ring groove, and a tension spring is arranged in the ring groove.
Preferably, one end of the connector inner body is a threaded end, and the threaded end is provided with a protective cap.
The utility model has the advantages that,
(1) because the sealing device is arranged, a sealing cavity is formed in the joint, and can bear high pressure of hundreds of million;
(2) due to the arrangement of the rebounding device, after a new product is installed, rebounding can be effectively realized, so that the multi-jaw is contracted, the product is clamped, and the rebounding device is quick and convenient;
(3) this technical scheme pushes away one and draws can be connected and the dismantlement of quick-operation joint and product, need not make a round trip to twist the screw thread, and relative stroke displacement only has several millimeters, labour saving and time saving, and is efficient, the little long service life of joint wear.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic diagram of a partially enlarged structure according to an embodiment of the present invention.
The symbols in the drawings illustrate that:
1. a joint housing; 2. a fitting inner body; 3. a pull rod; 4. a spring; 5. a spring; 6. a retainer ring for a shaft; 7. a bushing; 8. a multi-clack jaw; 9. a tension spring; 10. Y-shaped ring; 11. a spring; 12. a guide sleeve; an O-ring; 14. an outer step; 15. an inner step; 16. a thread; 17. a protective cap; 18. an inner conical surface; 19. an inner conical surface; 20. chamfering; 21. an outer conical surface; 22. an outer clamping groove; 23. an inner clamping groove; 24. a spring slot; 25. and (4) rounding.
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in fig. 1-2, a high-pressure quick-clamping external joint comprises a joint outer sleeve 1, a joint inner body 2 is arranged in the joint outer sleeve 1, a pull rod 3 is arranged in the joint inner body 2, a guide sleeve 12 is arranged on the pull rod 3, a multi-clack jaw 8 is arranged between the joint outer sleeve 1 and the joint inner body 2, a spring 4 is arranged between the joint inner body 2 and the pull rod 3, the joint inner body 2 is connected with the pull rod 3 through the spring 4, a spring 11 is arranged between the joint inner body 2 and the guide sleeve 12, the joint inner body 2 is connected with the guide sleeve 12 through the spring 11, an inner step 15 is arranged on the joint outer sleeve 1, a shaft check ring 6 is arranged on the joint inner body 2, a bush 7 is arranged on the outer side of the shaft check ring 6, and a spring 5 is arranged between the bush 7 and the inner step 15.
A spring 4 between the joint inner body 2 and the pull rod 3 is arranged on the pull rod 3, and the pull rod 3 is provided with a backstop end face; the guide sleeve 12 is provided with a round angle 25, the inner side of the upper end of the multi-disc clamping jaw is provided with an inverted cone 18 and a conical surface 19, the inverted cone 18 and the conical surface 19 move with the round angle 25 of the guide sleeve in a point-surface manner, the outer side of the upper end of the multi-disc clamping jaw is provided with an outer conical surface 21, and the joint outer sleeve is provided with a chamfer 20 matched with the outer conical surface 21.
An O-shaped ring 13 is arranged on the pull rod 3, a Y-shaped ring 10 is arranged between the connector inner body 2 and the pull rod 3, a sealing cavity is formed in the connector, and the connector can bear high pressure of hundreds of million.
The multi-petal threaded clamping jaw adopts a six-petal threaded clamping jaw 8, the root of the six-petal threaded clamping jaw 8 is provided with a ring groove, a tension spring 9 is arranged in the ring groove, and the six-petal threaded clamping jaw 8 is bound by the tension spring 9 and is not dispersed; an external clamping groove 22 is arranged on the six-petal threaded clamping jaw 8, an internal clamping groove 23 is arranged on the connector inner body 2, a connecting thread 16 is arranged on the connector inner body 2, and a protective cap 17 is arranged on the connecting thread 16.
During implementation, the connector inner body 2 is in threaded connection with equipment, the outer step 14 is arranged on the connector outer sleeve 1, the connector outer sleeve 1 is pushed and pressed through the outer step 14, the connector inner body 2 is enabled to move upwards relatively, meanwhile, the spring 4 pushes the pull rod 3, the spring 11 pushes the guide sleeve 12 to move upwards jointly, the outer conical surface 21 of the six-section thread clamping jaw 8 acts on the chamfer 20 of the connector outer sleeve 1 for slope surface mutual braking, the guide sleeve 12 acts on the inner conical surfaces 19 and 18 on the clamping jaw 8 through the fillet 25, the smooth friction resistance of circular surface movement is small, the six-section thread clamping jaw 8 is pushed and tightened through movement track conversion and opened outwards, a product on the six-section thread clamping jaw 8 is taken out, and the novel product is inserted into the product, and the device is very fast and convenient.
The joint outer sleeve 1 is pushed and pulled again to drive the joint inner body 2 to form relative motion, the six-section thread clamping jaws 8 are contracted under the chamfering action, the guide sleeve 12 and the pull rod 3 are driven to move downwards, the six-section thread clamping jaws 8 are contracted to clamp a product in a normal state, the Y-shaped ring 10 and the O-shaped ring 13 form a sealing cavity, fluid flows through the joint inner body 2 and a hole inner cavity in the pull rod 3 to form a high-pressure working loop, and the joint outer sleeve is good in sealing performance, high in stability, time-saving, labor-saving, high in efficiency and long in service life.
This scheme can bear hundreds of megapascals high pressure, simple structure easily operates, it is all very convenient with the pine to unload to articulate, one of joint overcoat and joint endosome draws one to push away to accomplish fast and connects and dismantle, the expansion through the jack catch tightens up the completion, need not make a round trip to twist the screw thread, the plug is quick, relative stroke displacement only has several millimeters, very labour saving and time saving, high efficiency, little long service life of joint wearing and tearing, effectively relax pressure shock when passing through high-speed fluid, compressive strength is high, the whole journey only flows through and connects endosome and pull rod two inner chambers and only need twice sealed, the leakproofness stability is good, bearing pressure reaches 300 Mpa.
However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.
Claims (7)
1. The high-pressure quick-clamping outer joint is characterized in that a joint outer sleeve is arranged, a joint inner body is arranged in the joint outer sleeve, a pull rod is arranged in the joint inner body, a guide sleeve is arranged on the pull rod, a multi-petal clamping jaw is arranged between the joint outer sleeve and the joint inner body, the joint inner body and the pull rod, the joint inner body and the guide sleeve room, the joint inner body and the joint outer sleeve room are respectively provided with a rebounding device, guide surfaces are respectively arranged between the guide sleeve and the multi-petal clamping jaw and between the multi-petal clamping jaw and the joint outer sleeve, a sealing device is arranged on the pull rod, and a sealing device is also arranged between the joint inner body and the pull rod.
2. The high-pressure quick-mounting external joint according to claim 1, wherein the resilient means is a spring, the spring between the joint inner body and the pull rod is mounted on the pull rod, and the pull rod is provided with a backstop end face; the spring between the joint inner body and the guide sleeve is arranged on the guide sleeve.
3. The high pressure quick clamp outer joint according to claim 1, wherein a shaft retainer is provided on the joint inner body, a bushing is provided on an outer side of the shaft retainer, and a spring between the joint inner body and the joint outer sleeve is provided between the bushing and the joint outer sleeve.
4. The high pressure quick clamp outer joint according to claim 1, wherein the guide surfaces between the guide sleeve and the multi-piece jaws comprise inner tapered surfaces on the multi-piece jaws and rounded corners on the guide sleeve.
5. The high pressure quick clamp outer joint according to claim 1, wherein the sealing means on the pull rod is an O-ring, and the sealing means between the inner body of the joint and the pull rod is a Y-ring.
6. The high-pressure quick-clamping outer joint according to claim 1, wherein the multi-disc jaws are provided with ring grooves, and tension springs are arranged in the ring grooves.
7. The high pressure quick clamp outer joint according to claim 1, wherein the inner body of the joint has a threaded end, and the threaded end is provided with a protective cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023017211.6U CN213982429U (en) | 2020-12-15 | 2020-12-15 | High-pressure quick-clamping outer joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023017211.6U CN213982429U (en) | 2020-12-15 | 2020-12-15 | High-pressure quick-clamping outer joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213982429U true CN213982429U (en) | 2021-08-17 |
Family
ID=77244747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023017211.6U Active CN213982429U (en) | 2020-12-15 | 2020-12-15 | High-pressure quick-clamping outer joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213982429U (en) |
-
2020
- 2020-12-15 CN CN202023017211.6U patent/CN213982429U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High pressure quick clamping external joint Effective date of registration: 20220425 Granted publication date: 20210817 Pledgee: Weihai commercial bank Limited by Share Ltd. revitalization branch Pledgor: WEIHAI HAOCHENG PRECISION MACHINERY CO.,LTD. Registration number: Y2022990000228 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230918 Granted publication date: 20210817 Pledgee: Weihai commercial bank Limited by Share Ltd. revitalization branch Pledgor: WEIHAI HAOCHENG PRECISION MACHINERY CO.,LTD. Registration number: Y2022990000228 |