CN211624528U - Quick-release self-sealing valve - Google Patents
Quick-release self-sealing valve Download PDFInfo
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- CN211624528U CN211624528U CN201922357409.XU CN201922357409U CN211624528U CN 211624528 U CN211624528 U CN 211624528U CN 201922357409 U CN201922357409 U CN 201922357409U CN 211624528 U CN211624528 U CN 211624528U
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Abstract
The utility model belongs to the technical field of the aviation, a quick-release self-sealing valve is disclosed, use the star sealing washer as the sealed pair of valve department, can guarantee the sealing performance of quick-release self-sealing valve when improving the butt joint life number of times of quick-release self-sealing valve effectively to and reduce the butt joint operating force, improve the working pressure of quick-release self-sealing valve (promote to 42MPa by 21 MPa). The utility model discloses simple structure is adapted to pipeline among high, low pressure hydraulic pressure, fuel, the air conditioning etc. system, and the reliability is high.
Description
Technical Field
The utility model belongs to the technical field of the aviation, especially, relate to a quick-release self-sealing valve.
Background
The quick-release self-sealing valve is used as a quick pipeline connecting piece and is divided into two parts, one part is arranged on one end of a pipeline, and when the pipeline needs to be quickly connected, the quick-release self-sealing valve on the two parts of the pipeline is quickly butted and communicated with a ground quick-release self-sealing valve, so that the quick connection between the pipeline and the pipeline is realized; during separation, rapid separation is realized through manual operation. The whole butt joint and separation process needs to ensure butt joint sealing and separation sealing, and the quick-change device is widely applied to quick change among pipelines of hydraulic systems, fuel oil systems, cold air systems and the like of airplanes.
The sealing pair of the traditional quick-release self-sealing valve generally adopts an O-shaped sealing ring or a combination structure of the O-shaped sealing ring and an anti-friction ring, and adopts an O-shaped sealing ring structure, so that the compression rate is higher, and when the valve is frequently and quickly butted and separated, the O-shaped sealing ring is greatly abraded, even damaged and twisted off by related parts, so that the traditional quick-release self-sealing valve has shorter butting service life times; the service life of the quick-release self-sealing valve with the O-shaped sealing ring and the anti-friction ring combined structure can be greatly prolonged, but the sealing performance is poor, and the phenomenon of leakage and leakage caused by long-time running and leakage exists; and the sealing structures in the two forms are only suitable for a pressure system below 21 MPa.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a quick-release self-sealing valve through the sealed substructure that uses the star sealing washer, solves the problem of how to guarantee the leakproofness when improving quick-release self-sealing valve butt joint life to and how to improve the problem of valve operating pressure from the sealing of quick-release.
In order to achieve the above object, the utility model provides a following technical scheme:
a quick release self-sealing valve, comprising at least: the device comprises a shell component, a valve, a protective ring, a spring, a guide sleeve, a set screw and a bent pipe nozzle; the quick-release self-sealing valve is characterized by further comprising a star-shaped sealing ring;
the star-shaped seal ring is mounted in a seal ring groove on the housing assembly.
The utility model discloses technical scheme's characteristics and further improvement do:
(1) and under the self-sealing state of the quick-release self-sealing valve, the protective ring, the shell component and the star-shaped sealing ring form a sealing pair.
(2) The quick-release self-sealing valve is in butt joint and self-locking with the ground self-sealing valve through a steel ball self-locking structure.
(3) The ground self-sealing valve at least comprises: a valve core and a valve sleeve;
after the quick-release self-sealing valve and the ground self-sealing valve are in butt joint and self-locked, the valve sleeve, the protective ring, the shell assembly and the star-shaped sealing ring form a sealing pair.
(4) And a lubricating cavity is formed between the sealing lips of the star-shaped sealing ring.
(5) The working pressure of the quick-release self-sealing valve is 0-42 MPa.
The utility model discloses an use star seal structure sealed vice to replace traditional quick-release self-sealing valve O type sealing washer or O type sealing washer + antifriction ring combined seal structure, can guarantee the leakproofness in improving quick-release self-sealing valve butt joint life, and can improve the working pressure of quick-release self-sealing valve.
Drawings
FIG. 1 is a schematic view of the structure of a quick release self-sealing valve of the present invention;
1-cover component, 2-cover component, 3-valve, 4-protective ring, 5-star-shaped sealing ring, 6-spring, 7-guide sleeve, 8-set screw, 9-bent nozzle and 10-sealing ring;
FIG. 2 is a schematic view of the butt joint principle of the quick release self-sealing valve and the ground self-sealing valve of the present invention;
11-valve sleeve, 12-valve core and I-steel ball self-locking structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The present invention will be described in further detail below. Referring to fig. 1, the utility model discloses a quick-release self-sealing valve, include: 1-cover component, 2-cover component, 3-valve, 4-protective ring, 5-star-shaped sealing ring, 6-spring, 7-guide sleeve, 8-set screw, 9-bent nozzle and 10-sealing ring; under the self-sealing working state, the valve, the protective ring, the star-shaped sealing ring and the shell component form a sealing pair, so that the external sealing performance of the quick-release self-sealing valve is ensured.
During butt joint, as shown in fig. 2, the ground self-sealing valve and the quick-release self-sealing valve form butt joint self-locking under a steel ball self-locking structure (shown in fig. 2-I), at the moment, the valve core 12 of the ground self-sealing valve jacks the quick-release self-sealing valve 3, and meanwhile, the valve sleeve 11 of the ground self-sealing valve, the quick-release self-sealing valve protection ring 4, the star-shaped sealing ring 5 and the shell component 2 form a sealing pair, so that the external sealing performance of the butt joint state of the quick-release self-sealing valve is ensured, and reliable circulation and sealing of.
The utility model discloses can solve how to guarantee the problem of leakproofness when improving quick-release self-sealing valve butt joint life to and how to improve the quick-release self-sealing valve operating pressure's problem. In particular, the method comprises the following steps of,
(1) compared with an O-shaped sealing ring, the star-shaped sealing ring has smaller precompression amount, which means that the friction and the abrasion between the star-shaped sealing ring and the valve are smaller, so that the butt joint service life of the quick-release self-sealing valve is prolonged, the restoring force of a valve spring 6 is reduced, and the butt joint operating force is reduced;
(2) because the star-shaped sealing ring forms a lubricating cavity between the sealing lips, the star-shaped sealing ring has smaller frictional resistance and smaller maximum static friction force, the abrasion of the sealing element caused by the movement of the valve is further reduced, and the butt joint service life of the quick-release self-sealing valve is prolonged;
(3) due to the non-circular section of the star-shaped sealing ring, rolling and twisting of the star-shaped sealing ring caused by relative movement between the star-shaped sealing ring and the metal valve can be avoided, the sealing element can be effectively prevented from being broken due to rolling and twisting, and the butt joint service life times of the sealing element can be further improved;
(4) because the flash is in the concave part of the cross section, the sealing effect is good, and zero leakage can be achieved;
(5) the applicable pressure is 0-42 MPa, the working pressure of the quick-release self-sealing valve can be increased to 42MPa, and the quick-release self-sealing valve is suitable for high-pressure working conditions.
The star-shaped sealing ring can be arranged in a special groove with a smaller compression ratio for reducing friction, and can also be used in a groove of an O-shaped sealing ring with the same specification, so that the star-shaped sealing ring can be suitable for quick-release self-sealing valve products in the aspect of installation. The sealing structure has the advantages of low friction force, non-circular cross section, capability of better overcoming torsion and better self-lubricating performance and high-pressure resistant working condition compared with an O-shaped sealing ring, and the like, and can effectively solve the problems of ensuring the sealing property and improving the working pressure of the quick-release self-sealing valve while prolonging the butt joint service life of the quick-release self-sealing valve.
The embodiment of the utility model provides a pair of use quick-release self-sealing valve of star sealing washer sealed substructure solves the problem of how to guarantee the leakproofness when improving quick-release self-sealing valve butt joint life to and how to improve the quick-release self-sealing valve operating pressure's problem. The quick self-locking between the quick-release self-sealing valve and the ground quick-release self-sealing valve is realized by adopting a quick-release form of a steel ball self-locking structure. The star-shaped sealing ring is used as a sealing pair at the valve, so that the sealing performance of the quick-release self-sealing valve can be effectively ensured while the butt joint service life times of the quick-release self-sealing valve are improved, the butt joint operating force is reduced, and the working pressure of the quick-release self-sealing valve is improved (from 21MPa to 42 MPa).
Claims (6)
1. A quick release self-sealing valve, comprising at least: the device comprises a shell component, a valve, a protective ring, a spring, a guide sleeve, a set screw and a bent pipe nozzle; the quick-release self-sealing valve is characterized by further comprising a star-shaped sealing ring;
the star-shaped seal ring is mounted in a seal ring groove on the housing assembly.
2. The quick release self-sealing valve according to claim 1, wherein the valve, the guard ring, the housing assembly and the star seal form a sealing pair in a self-sealing state of the quick release self-sealing valve.
3. The quick-release self-sealing valve according to claim 1, characterized in that the quick-release self-sealing valve is self-locked in butt joint with the ground self-sealing valve through a steel ball self-locking structure.
4. The quick release self-sealing valve according to claim 3, wherein the ground self-sealing valve comprises at least: a valve core and a valve sleeve;
after the quick-release self-sealing valve and the ground self-sealing valve are in butt joint and self-locked, the valve sleeve, the protective ring, the shell assembly and the star-shaped sealing ring form a sealing pair.
5. The quick release self-sealing valve according to claim 1, wherein a lubrication cavity is formed between the sealing lips of the star seal.
6. The quick-release self-sealing valve according to claim 1, wherein the working pressure of the quick-release self-sealing valve is 0-42 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922357409.XU CN211624528U (en) | 2019-12-24 | 2019-12-24 | Quick-release self-sealing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922357409.XU CN211624528U (en) | 2019-12-24 | 2019-12-24 | Quick-release self-sealing valve |
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| Publication Number | Publication Date |
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| CN211624528U true CN211624528U (en) | 2020-10-02 |
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| CN201922357409.XU Active CN211624528U (en) | 2019-12-24 | 2019-12-24 | Quick-release self-sealing valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112208780A (en) * | 2020-10-23 | 2021-01-12 | 宜宾三江机械有限责任公司 | Double-sealing quick-release self-sealing valve |
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2019
- 2019-12-24 CN CN201922357409.XU patent/CN211624528U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112208780A (en) * | 2020-10-23 | 2021-01-12 | 宜宾三江机械有限责任公司 | Double-sealing quick-release self-sealing valve |
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