CN102305326B - Self-sealing tension relief valve as well as plug valve and socket valve thereof - Google Patents
Self-sealing tension relief valve as well as plug valve and socket valve thereof Download PDFInfo
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- CN102305326B CN102305326B CN 201110232876 CN201110232876A CN102305326B CN 102305326 B CN102305326 B CN 102305326B CN 201110232876 CN201110232876 CN 201110232876 CN 201110232876 A CN201110232876 A CN 201110232876A CN 102305326 B CN102305326 B CN 102305326B
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Abstract
The invention discloses a self-sealing tension relief valve as well as a plug valve and a socket valve thereof. The self-sealing tension relief valve is composed of the plug valve and the socket valve which are correspondingly matched with each other in an insertion manner; the plug valve and the socket valve are composed of two one-way check valves which are oppositely arranged along the conduction direction; medium channels are respectively arranged between the plug valve body and the socket valve body and are correspondingly communicated with each other after insertion; the valve cavities of the plug valve body and the socket valve body are respectively and correspondingly provided with a valve seat and a valve core which is hermetically matched with the valve seat and is used for sealing the medium channels; a push rod is arranged on the inserting end of the plug valve body in an axial extension manner, is matched with the valve core of the socket valve in a propping manner and is used for opening the medium channels on the socket valve; and the plug valve body and the socket valve body are respectively and correspondingly provided with an elastic locking mechanism which can maintain the insertion position after insertion fit and can be directly extracted under the action of external force. The self-sealing tension relief valve as well as the plug valve and the socket valve thereof have the advantage of good sealing effect, and is very convenient in use, thus solving major potential safety hazards in the prior art.
Description
Technical field
The present invention and a kind of self-sealing tension relief valve that uses during for the double-driving automobile aerating and plug valve thereof, socket valve.
Background technique
At present since the continuous growth of energy demand with and the environmental deterioration that brings, the power vehicle take rock gas as fuel has obtained developing rapidly with its energy-conserving and environment-protective.When with filling machine the air cylinder of gas-fueled vehicles being filled rock gas; need first air filling gun to be fixedly connected on adding on the gas port of automobile by clamp; then control the break-make of gas circuit by manually-operated gate; the defective of this mode is: the operation inconvenience of manual control valve; efficient is lower; and thereby operator can just dismantle air filling gun and cause gas leakage because forget throttle down sometimes; and some drivers also often can be because forgetting that parking braking causes the vehicle automatic moving in vehicle aerating process; pull air filling gun or add gas port; sometimes even can break the aerating pipeline, cause great potential safety hazard.
Summary of the invention
An object of the present invention is: a kind of self-sealing tension relief valve is provided, uses the problem inconvenient, that potential safety hazard is large to solve existing vehicle aerator.
The technological scheme of self-sealing tension relief valve of the present invention is: self-sealing tension relief valve of the present invention is comprised of two corresponding plug valve and socket valves that cooperate of pegging graft, described plug valve is one way stop peturn valve, in plug valve body and socket valve body, be respectively equipped with the corresponding medium channel that is communicated with after plugging together, the selfsealings spool that in the medium channel of plug valve body and socket valve body, is respectively arranged with valve seat and cooperates with corresponding valve base sealing, described plug spool is opposite with the direction of propulsion of socket spool, extends axially at the bayonet end of plug valve body and is provided with when plugging together pushing tow socket spool to open the push rod of medium channel; Coaxial fixed cover is equipped with the exterior lock tube that extends towards the plug valve on described socket valve body, be top-loaded with interior lock tube with the axial sliding fit of exterior lock tube inwall by locking spring in the trepanning of exterior lock tube and between the socket valve body, interior lock tube away from an end of socket valve body radially offer the taper lockhole that runs through internal and external walls, activity is equipped with size on the hole depth direction of lockhole greater than the lock core of lockhole hole depth in the lockhole, and radial ring is provided with the solution locked groove that cooperates release with lock core on the trepanning inwall of exterior lock tube; The corresponding locking slot that when plugging together, snaps in for lock core that is provided with on the outer circumferential face of the bayonet end of described plug valve body.
Described lockhole is circumferentially uniform along interior lock tube.
Jack end at described socket valve axially convexes with the guide structure that is slidingly matched with described interior lock tube.
Be installed with the back-up ring that prevent lock core from deviating near lockhole at described interior lock tube on away from the end outer circumferential face of socket valve body.
Another object of the present invention is: a kind of socket valve is provided.
The technological scheme of socket valve of the present invention is: socket valve of the present invention comprises the socket valve body, be provided with in the socket valve body for when pegging graft with the medium channel of the corresponding connection of plug valve, be provided with valve seat and spool that correspondence is sealed and matched in the medium channel, the exterior lock tube that extends axially outstanding its grafting end face is housed at the external coaxial fixed cover of described socket valve, be top-loaded with interior lock tube with the axial sliding fit of exterior lock tube inwall by locking spring in the trepanning of exterior lock tube and between the socket valve body, interior lock tube away from an end of socket valve body radially offer the taper lockhole that runs through internal and external walls, activity is equipped with size on the hole depth direction of lockhole greater than the lock core of lockhole hole depth in the lockhole, and radial ring is provided with the solution locked groove that cooperates release with lock core on the trepanning inwall of exterior lock tube.
Described lockhole is circumferentially uniform along interior lock tube.
Jack end at described socket valve axially convexes with the guide structure that is slidingly matched with described interior lock tube.
Be installed with the back-up ring that prevent lock core from deviating near lockhole at described interior lock tube on away from the end outer circumferential face of socket valve body.
Of the present invention also have a purpose to be: a kind of plug valve is provided.
The technological scheme of plug valve of the present invention is: plug valve of the present invention comprises the plug valve body, be provided with the medium channel for corresponding connection with socket valve when pegging graft in the plug valve body, be coaxially arranged with valve seat and spool formation one way stop peturn valve that correspondence is sealed and matched in the medium channel, extend axially at the bayonet end of plug valve body and to be provided with the push rod that is used for opening medium channel for pushing tow socket spool when plugging together, the corresponding locking slot that snaps in for the lock core of socket valve for when plugging together that is provided with on the outer circumferential face of the bayonet end of described plug valve body.
Self-sealing tension relief valve of the present invention adopts two corresponding plug valve and socket valves that cooperate of pegging graft to form, it is when pegging graft, push rod on the plug valve is pushed the spool in the socket valve open, open the medium channel of socket valve, and the pressure that the medium utilization carries is pushed the spool in the plug valve open, thereby two one-way valves are opened simultaneously, form path, connect very convenient, quick, and can preventing two one-way valves, the snap lock locking mechanism washed open by fluid medium pressure, guarantee connective stability good between two one-way valves, guarantee the unimpeded of medium channel; When plug valve and socket valve are subject to pulling force that the external world applies, the pressure that need to overcome the lockable mechanism medi-spring could separate two valve bodies, spool in plug valve and the socket valve resets rapidly respectively under spring action, medium channel corresponding to sealing prevents dielectric leakage, use safety, convenient, use the problem inconvenient, that potential safety hazard is larger in the prior art thereby solved.
Description of drawings
Fig. 1 is the structural representation of self-sealing tension relief valve specific embodiment of the present invention;
Fig. 2 is the structural representation of plug valve specific embodiment among the present invention;
Fig. 3 is the specific embodiment structural representation of socket valve among the present invention.
Embodiment
The implementation of self-sealing tension relief valve of the present invention is Fig. 1, Fig. 2, shown in Figure 3 for example, and it mainly is comprised of two corresponding plug valve 101 and socket valves 102 that cooperate of pegging graft.Wherein, plug valve 101 comprises plug valve body 11, and socket valve 102 comprises socket valve body 31, plug valve body 11 and the socket valve body 31 interior respectively corresponding medium channels that are provided with.
Be provided with the jack 32 that cooperates for the bayonet end sleeve of plug valve 101 towards the rear end of plug valve 101 at socket valve body 31, be coaxially arranged with the hollow valve seat 34 of tubular in the jack 32, the spacing cooperation of step surface of the ear end face of the hollow valve seat 34 of this tubular and the 31 interior settings of socket valve body, the front-end face of the hollow valve seat 34 of tubular cooperates with the back-end sealing sleeve of the spring seat 37 of coaxial setting, and this spring seat 37 is connected with socket valve body 31 thread seals by external connection screw.Between the internal face of the outer circumferential face of the hollow valve seat 34 of tubular and socket valve body 31, be installed with overcurrent annular space 35, rear end sidewall at the hollow valve seat 34 close limit dais terraces of tubular offers the media outlet 36 that runs through the internal and external walls face, is communicated with overcurrent annular space 35, offer for the connection mouth 33 that connects tracheae or fitting seat in the exterior edge face of spring seat 37, in spring seat 37, offer the flow channels 38 that is communicated with connection mouth 33 and overcurrent annular space 35.The aperture, rear end of hollow valve seat 34 endoporus of tubular equates with jack 32 internal diameters, sliding in the sealing of the junction of the rear end of the hollow valve seat 34 of tubular and jack 32 is equipped with tubulose spool 39 for closed dielectric outlet 36, and the inwall that lays respectively at the hollow valve seat 34 of tubular and jack 32 in the both sides, front and back of media outlet 36 is provided with the O RunddichtringO that is sealed and matched with tubulose spool 39 outer circumferential faces.Radially offer the lockhole that runs through tube wall inside and outside it in the front portion of tubulose spool 39, activity is equipped with diameter greater than the steel ball 41 of lockhole hole depth in the lockhole, circumferential the offering be used to the locking slot 42 that holds steel ball 41 in position of corresponding tubulose spool 39 closed dielectrics outlet 36 on the inwall of the hollow valve seat 34 of tubular, the height of the rear end cell wall of this locking slot 42 will be higher than the front end cell wall, so that being higher than the part of opposite side cell wall, this higher cell wall forms the step surface towards socket valve body 31 front ends, back end edge at the lockhole of tubulose spool 39 radially is equipped with the spacing gear that cooperates of this step surface along 40, the radius sum of the distance of this gear along 40 trailing flank to the centre of sphere of steel ball 41 and steel ball 41 is greater than the width of locking slot 42,42 front end notch places are provided with the tilted conical surface that cooperates with steel ball 41 at locking slot, so that steel ball 41 drops on this tilted conical surface under locking state, so that steel ball 41 drops on this tilted conical surface under locking state, so that release when pegging graft.Front end at tubulose spool 39 is top-loaded with a sliding sleeve 43, the axially extended lock tube that cooperates with the endoporus slip sleeve of tubulose spool 39 that convexes with in the rear end of sliding sleeve 43, the outer circumferential face of lock tube pushes up through steel ball 41 with steel ball 41 top press fits in when locking and is pressed in the locking slot 42, is top-loaded with locking spring 44 between sliding sleeve 43 and spring seat 37.
The plug valve 101 of self-sealing tension relief valve of the present invention and socket valve 102 be not when pegging graft, spool 17 in the plug valve 101 cooperates the medium channel in the sealing plug valve with valve seat 16, the tubulose spool 39 in the socket valve 102 is depressed on the top that is subject to sliding sleeve 43 and cooperated the medium channel that seals in the socket valve 102 with the O RunddichtringO of both sides, media outlet 36 front and back; When pegging graft, the push rod 12 of plug valve body 11 front ends is inserted in the socket valve body 31, the endoporus top of the front-end face of push rod 12 by jack 32 and tubulose spool 39 is pressed in and promotes sliding sleeve 43 on the sliding sleeve 43 and move forward, the kidney-shaped structure that makes steel ball 41 on the tubulose spool 39 fall into the setting of push rod front end realizes release, after the release, the step surface top that push rod 12 middle parts arrange is pressed in the end of tubulose spool 39, tubulose spool 39 is promoted forward, tubulose spool 39 moves and gets out of the way media outlet 36, in the process that push rod 12 advances, the outer circumferential face of push rod 12 cooperates the sealing that always keeps media outlet 36 with tubulose spool 39, after push rod 12 is shifted the position onto, media outlet 36 in the medium import 15 of offering on push rod 12 outer circumferential faces and the socket valve body 31 is communicated with, simultaneously, the O RunddichtringO that media outlet 36 both sides arrange and the outer circumferential face fitted seal of push rod 12, thus can in the grafting process, remain sealing state, prevent that flowing medium from leaking.Because in the grafting process, the O RunddichtringO that the outer circumferential face of push rod 12 and media outlet 36 both sides arrange is sealed and matched, so that hindering, the compressed generation reaction force of the gas between sliding sleeve 43 and the spring seat 37 pegs graft, therefore the present invention also offers the equalizing orifice 50 that connects spring seat 37 two ends end faces in spring seat 37, make the gas of retaining in sliding sleeve 43 and the spring seat 37 when pegging graft, can enter atmosphere by this equalizing orifice 50, thereby solved the reaction force that gas compression produces.After plug valve 101 and socket valve 102 plug together, medium channel in the socket valve 102 is opened, flowing medium enters from the connection mouth 33 of socket valve 102, flow on the bayonet end of plug valve 101 in the corresponding medium import 15 that arranges by flow channels 38, overcurrent annular space 35, media outlet 36 successively, the pressure promotion taper valve core 16 that flowing medium utilizes the pressure that self possesses to overcome the Returnning spring 19 in the plug valve 101 through blind hole 25 is opened the medium channel in the plug valve 101, and medium flows out from attachment hole 13 through passage 21, valve pocket 14.
Be the stability that guarantees between plug valve 101 and the socket valve 102 can mutually to lock when the grafting to guarantee to plug together, when drawing, can directly extract under the External Force Acting being subject to, the present invention is provided with the snap lock locking mechanism between plug valve 101 and socket valve 102, this snap lock locking mechanism comprises the coaxial exterior lock tube 45 that extends towards plug valve 101 on the socket valve body 31 that is fixedly set in, be top-loaded with interior lock tube 47 with exterior lock tube 45 inwall axial sliding fits by locking spring 46 in the trepanning of exterior lock tube 45 and between the socket valve body 31, jack end at socket valve 102 axially convexes with the guide structure that is slidingly matched with interior lock tube 47, interior lock tube 47 away from an end of socket valve body 31 radially offer the taper lockhole that runs through internal and external walls, for guaranteeing the sealed reliability of stablizing and guaranteeing locking, the edge circumferentially is evenly equipped with plural taper lockhole on interior lock tube 47, movablely respectively in each lockhole be equipped with size on the hole depth direction of lockhole greater than the spherical lock core 48 of lockhole hole depth, radial ring is provided be used to holding the solution locked groove 49 of this sphere lock core 48 in order to release on the trepanning inwall of exterior lock tube 45, spherical lock core 48 comes off when preventing release, is installed with the back-up ring 51 that prevent lock core from deviating near lockhole at interior lock tube 47 on away from the end outer circumferential face of socket valve body 31.Be provided with accordingly on the outer circumferential face of plug valve body 11 bayonet ends when pegging graft and the lockhole corresponding matching of interior lock tube 47, the locking slot 22 that can supply spherical lock core 48 to snap in.During grafting, the spherical lock core 48 of the conical surface 23 extruding that plug valve body 11 front ends arrange, spherical lock core 48 under the effect of the conical surface 23 extruding forces, overcome locking spring 46 drive in lock tube 47 slide towards plug valve direction, when interior lock tube 47 slides into the relevant position of solution locked groove 49 of exterior lock tube 45, spherical lock core 48 is squeezed into to be separated in the locked groove 49, after the push rod 12 of plug valve 101 is inserted in the jack 32, after the bayonet end of plug valve 101 inserts, spherical lock core 48 snaps onto on the bayonet end of plug valve body 11 in the corresponding locking slot 22 that arranges, under the drive of plug valve body 11, simultaneously, under the effect of locking spring 46, in spherical lock core 48 drives lock tube 47 inwardly motion reset, the inwall of exterior lock tube 45 is realized spherical lock core 48 withstanding on tightly the locking of plug valve 101 and socket valve 102 in the locking slot 22.When plug valve 101 and socket valve 102 are pulled, locking slot 22 on the plug valve body 11 outwards moves by the interior lock tube 47 of pressure on top surface drive that spherical lock core 48 overcomes locking spring 46, when spherical lock core 48 moves to the solution locked groove 49 that arranges on the exterior lock tube 45, spherical valve core 48 radial motions enter separate realize in the locked groove 49 and plug valve 101 between release, simultaneously, the kidney-shaped structure 24 of push rod 12 ends moves by steel ball 41 drive tubulose spools 39 and resets, the gear that tubulose spool 39 rear ends arrange along 40 with hollow valve seat 34 on step surface cooperate spacing, prevent that tubulose spool 39 from deviating from from the endoporus of hollow valve seat 34, after tubulose spool 39 is limited, its outer circumferential face cooperates closed dielectric outlet 36 with the O RunddichtringO of media outlet 36 both sides, sliding sleeve 43 is resetting under spring 44 effect behind the pressure on top surface that loses push rod 12 simultaneously, and the lock tube of sliding sleeve 43 front ends is inserted into that top pressing steel balls 41 makes it enter into the location locking that locking slot 42 is realized tubulose spools 39 in the tubulose spool 39; Spool 17 in the plug valve 101 resets under spring 19 effects after losing fluid medium pressure and cooperates the passage of rapid sealing with valve seat 16.
Plug valve of the present invention and socket valve can directly plug in use, can remain the sealing state of socket valve inside in the plug process, make it only when grafting puts in place, can open medium channel, the plug valve adopts the one-way check valve arrangement, it only has by self pressure of flowing medium just can open, in connection procedure if there is gas leakage pressure release, can autoshutdown, thereby safety in utilization and the reliability of self-sealing tension relief valve have been guaranteed, and adopt sliding sleeve to cooperate the closed dielectric passage with the tubular spool in the socket valve, just can't not open socket valve if do not adopt the special construction of push rod, thereby can realize anti-error, further improve safe effect and had anti-theft feature.Simple in structure, easy to use, the good sealing effect of tension relief valve of the present invention and plug valve and socket valve, the phenomenon that the pipeline of having avoided staff in the prior art to cause because of the forget throttle down gas leakage that causes and the car that slips is broken has solved the major safety risks that exist in the prior art.
The specific embodiment of plug valve of the present invention as shown in Figure 2, its concrete structure has a detailed description in the above-described embodiments, repeats no more herein.
The specific embodiment of socket valve of the present invention has a detailed description during its concrete structure is aforementioned as shown in Figure 3, repeats no more herein.
Claims (9)
1. self-sealing tension relief valve, it is characterized in that, it is comprised of two corresponding plug valve and socket valves that cooperate of pegging graft, in plug valve body and socket valve body, be respectively equipped with the corresponding medium channel that is communicated with after plugging together, the direction of propulsion of the selfsealings spool that the selfsealings spool in the selfsealings spool that is respectively arranged with valve seat and cooperates with corresponding valve base sealing in the medium channel of plug valve body and socket valve body, described plug valve and socket valve are interior is opposite; Valve seat in the described socket valve body is the coaxial hollow valve seat of tubular that is arranged in the socket valve body jack, between the internal face of the outer circumferential face of the hollow valve seat of this tubular and socket valve body, be installed with the overcurrent annular space and offer at the sidewall of tubular hollow core valve base rear end and run through the internal and external walls face, the media outlet that is communicated with the overcurrent annular space, selfsealings spool in the described socket valve body comprises that slidable fit is used for the tubulose spool of this media outlet of sealing in the hollow valve seat of tubular, radially offer in the front portion of tubulose spool and to run through in it, the lockhole of outer wall, activity is equipped with diameter greater than the steel ball of lockhole hole depth in the lockhole, circumferential the offering be used to the locking slot that holds steel ball in position of corresponding tubulose spool closed dielectric outlet on the inwall of the hollow valve seat of tubular, front end at the tubulose spool also is top-loaded with sliding sleeve, the rear end of sliding sleeve extends axially and convexes with the lock tube that cooperates with the endoporus slip sleeve of tubulose spool, the outer circumferential face of lock tube is when the described tubulose spool of correspondence closed dielectric exports and described steel ball top press fit and steel ball top is pressed in the described locking slot, at the front end of the hollow valve seat of the tubular coaxial spring seat that is provided with also, between spring seat and sliding sleeve, be top-loaded with the locking spring, coaxial fixed cover is equipped with the exterior lock tube that extends towards the plug valve on described socket valve body, be top-loaded with interior lock tube with the axial sliding fit of exterior lock tube inwall by locking spring in the trepanning of exterior lock tube and between the socket valve body, interior lock tube away from an end of socket valve body radially offer the taper lockhole that runs through internal and external walls, activity is equipped with size on the hole depth direction of lockhole greater than the lock core of lockhole hole depth in the lockhole, and radial ring is provided with the solution locked groove that cooperates release with lock core on the trepanning inwall of exterior lock tube; Described plug valve is one way stop peturn valve, the corresponding locking slot that when plugging together, snaps in for described lock core that is provided with on the outer circumferential face of the bayonet end of described plug valve body, convex with when plugging together the tubulose spool in the described socket valve body of pushing tow to open the push rod of medium channel in that the bayonet end of plug valve body is also axially extended, described tubulose spool and the top press fit of described sliding sleeve are passed in the end of push rod when pegging graft, also be equipped with the kidney-shaped structure of holding described steel ball in grafting the time on the outer circumferential face of the front end of push rod.
2. self-sealing tension relief valve according to claim 1 is characterized in that, described lockhole is circumferentially uniform along interior lock tube.
3. self-sealing tension relief valve according to claim 1 is characterized in that, axially convexes with the guide structure that is slidingly matched with described interior lock tube at the jack end of described socket valve.
4. self-sealing tension relief valve according to claim 1 is characterized in that, is installed with the back-up ring that prevent lock core from deviating near lockhole at described interior lock tube on away from the end outer circumferential face of socket valve body.
5. socket valve, it is characterized in that, comprise the socket valve body, in the socket valve body, be provided with for when pegging graft with the medium channel of the corresponding connection of plug valve, be provided with valve seat and selfsealings spool that correspondence is sealed and matched in the medium channel, be provided with the jack that cooperates for the bayonet end sleeve of plug valve in the rear end of described socket valve body, described valve seat comprises the coaxial hollow valve seat of tubular that is arranged in the described jack, between the internal face of the outer circumferential face of the hollow valve seat of this tubular and socket valve body, be installed with the overcurrent annular space and offer at the sidewall of tubular hollow core valve base rear end and run through the internal and external walls face, the media outlet that is communicated with the overcurrent annular space, described selfsealings spool comprises that slidable fit is used for the tubulose spool of this media outlet of sealing in the hollow valve seat of tubular, radially offer in the front portion of tubulose spool and to run through in it, the lockhole of outer wall, activity is equipped with diameter greater than the steel ball of lockhole hole depth in the lockhole, circumferential the offering be used to the locking slot that holds steel ball in position of corresponding tubulose spool closed dielectric outlet on the inwall of the hollow valve seat of tubular, front end at the tubulose spool also is top-loaded with sliding sleeve, the rear end of sliding sleeve extends axially and convexes with the lock tube that cooperates with the endoporus slip sleeve of tubulose spool, the outer circumferential face of lock tube is when the described tubulose spool of correspondence closed dielectric exports and described steel ball top press fit and steel ball top is pressed in the described locking slot, at the front end of the hollow valve seat of the tubular coaxial spring seat that is provided with also, between spring seat and sliding sleeve, be top-loaded with the locking spring; The exterior lock tube that extends axially outstanding its grafting end face is housed at the external also coaxial fixed cover of described socket valve, be top-loaded with interior lock tube with the axial sliding fit of exterior lock tube inwall by locking spring in the trepanning of exterior lock tube and between the socket valve body, interior lock tube away from an end of socket valve body radially offer the taper lockhole that runs through internal and external walls, activity is equipped with size on the hole depth direction of lockhole greater than the lock core of lockhole hole depth in the lockhole, and radial ring is provided with for the solution locked groove that cooperates release with lock core on the trepanning inwall of exterior lock tube.
6. socket valve according to claim 5 is characterized in that, described lockhole is circumferentially uniform along interior lock tube.
7. socket valve according to claim 5 is characterized in that, axially convexes with the guide structure that is slidingly matched with described interior lock tube at the jack end of described socket valve.
8. socket valve according to claim 5 is characterized in that, is installed with the back-up ring that prevent lock core from deviating near lockhole at described interior lock tube on away from the end outer circumferential face of socket valve body.
9. plug valve, it is characterized in that, comprise the plug valve body, be provided with the medium channel for corresponding connection with socket valve when pegging graft in the plug valve body, be coaxially arranged with valve seat and selfsealings spool formation one way stop peturn valve that correspondence is sealed and matched in the medium channel, extend axially at the bayonet end of plug valve body and to be provided with when plugging together the selfsealings spool in the pushing tow socket to open the push rod of medium channel, the locking slot that snaps at the corresponding lock core that is provided with when plugging together for lock tube in the socket valve on the outer circumferential face of the bayonet end of plug valve body, the end of described push rod is used for endoporus and the press fit of sliding sleeve top of passing the tubulose spool in the socket valve when pegging graft, also be equipped with the kidney-shaped structure of holding the steel ball in the tubulose spool in grafting the time on the outer circumferential face of the front end of push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110232876 CN102305326B (en) | 2011-08-13 | 2011-08-13 | Self-sealing tension relief valve as well as plug valve and socket valve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110232876 CN102305326B (en) | 2011-08-13 | 2011-08-13 | Self-sealing tension relief valve as well as plug valve and socket valve thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN102305326A CN102305326A (en) | 2012-01-04 |
| CN102305326B true CN102305326B (en) | 2013-04-03 |
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| CN 201110232876 Active CN102305326B (en) | 2011-08-13 | 2011-08-13 | Self-sealing tension relief valve as well as plug valve and socket valve thereof |
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| CN105626917A (en) * | 2014-10-29 | 2016-06-01 | 哈尔滨聚吉轩科技开发有限公司 | High-pressure disconnector capable of realizing rapid pressure relief |
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| CN201407446Y (en) * | 2009-05-06 | 2010-02-17 | 楼松乔 | Connection sealing device for quick connector |
| CN101936416B (en) * | 2010-08-31 | 2013-01-02 | 河南航天液压气动技术有限公司 | Self-sealing transfusion valve component and plug valve and socket valve thereof |
| CN202220932U (en) * | 2011-08-13 | 2012-05-16 | 河南航天压力元件有限公司 | Self-seal tensile-force release valve and its plug valve and socket valve |
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Address after: 450000 Zhengzhou, Henan, Longhu Aerospace Science and Technology Park, Xinzheng Applicant after: Henan Aerospace Hydraulic and Pneumatic Technology Co., Ltd. Address before: 450000 Zhengzhou, Henan, Longhu Aerospace Science and Technology Park, Xinzheng Applicant before: Henan Aerospace Pressure Element Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: HENAN AEROSPACE PRESSURE ELEMENT CO., LTD. TO: HE NAN AEROSPACE HYDROPNEUMATIC TECHNOLOGY CO., LTD. |
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