CN117090955A - Novel seal structure's high pressure fills bleed valve - Google Patents

Novel seal structure's high pressure fills bleed valve Download PDF

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Publication number
CN117090955A
CN117090955A CN202311343295.8A CN202311343295A CN117090955A CN 117090955 A CN117090955 A CN 117090955A CN 202311343295 A CN202311343295 A CN 202311343295A CN 117090955 A CN117090955 A CN 117090955A
Authority
CN
China
Prior art keywords
valve core
valve
valve body
air
left end
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.)
Pending
Application number
CN202311343295.8A
Other languages
Chinese (zh)
Inventor
冯申豪
王臆昊
丁先强
贾传智
樊哲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinxiang Huahang Aviation Hydraulic Equipment Co ltd
Original Assignee
Xinxiang Huahang Aviation Hydraulic Equipment Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xinxiang Huahang Aviation Hydraulic Equipment Co ltd filed Critical Xinxiang Huahang Aviation Hydraulic Equipment Co ltd
Priority to CN202311343295.8A priority Critical patent/CN117090955A/en
Publication of CN117090955A publication Critical patent/CN117090955A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
    • F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
    • F16K3/26—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
    • F16K3/267—Combination of a sliding valve and a lift valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/04—Construction of housing; Use of materials therefor of sliding valves
    • F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
    • F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
    • F16K3/243—Packings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
    • F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
    • F16K3/26—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
    • F16K3/262—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member with a transverse bore in the valve member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/60—Handles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K35/00—Means to prevent accidental or unauthorised actuation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/04—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L29/00—Joints with fluid cut-off means
    • F16L29/02—Joints with fluid cut-off means with a cut-off device in one of the two pipe ends, the cut-off device being automatically opened when the coupling is applied

Abstract

The invention discloses a high-pressure air charging and discharging valve with a novel sealing structure, which comprises a protective cap, a valve body, an auxiliary valve body and a valve core, wherein the protective cap is sleeved on the valve body in a threaded manner, an air passage and a valve core mounting cavity are arranged in the valve body, the auxiliary valve body is arranged in the valve core mounting cavity at the right end of the valve body, a spring seat is arranged at the inner side of the auxiliary valve body, the valve core mounting cavity is slidingly connected with the valve core, a spring is arranged between the valve core and the spring seat, the left end of the valve core is inserted into the air passage, a sealing element is arranged between the valve core and the air passage, the middle part of the valve core is abutted against a boss at the left end of the valve core mounting cavity, the left end face of the valve core and the inner side face of the boss are respectively provided with conical surface structures matched with each other, and the conical surface structures matched with each other form an air discharging gap; the phenomenon that the sealing element falls off due to the fact that high-pressure high-flow gas severely impacts the inner sealing element is avoided, the sealing element is completely separated from the sealing cavity when the valve core is completely opened, at the moment, the air flow rate near the sealing element is low, and the sealing element cannot fall off.

Description

Novel seal structure's high pressure fills bleed valve
Technical Field
The invention relates to the technical field of air charging and discharging valves, in particular to a high-pressure air charging and discharging valve with a novel sealing structure.
Background
With the improvement of integration of the product used by the domestic aircraft, the functional requirements on the inflation valve and the deflation valve are more and more strict, the working pressure of the system equipment is more and more high, and when the equipment is maintained on the ground, the stable and reliable inflation and deflation functions are required to be realized at the same inflation inlet due to the limitation of the installation space or the weight of the equipment, and meanwhile, the long-term sealing requirement is reserved; when the valve core structure of the air release valve executes the opening action, the sealing element falls off caused by the severe impact of high-pressure high-flow gas on the internal sealing element, so that the air release valve cannot be normally used; aiming at the problems, a novel high-pressure air charging and discharging valve with a sealing structure is provided.
Disclosure of Invention
The invention aims to overcome the existing defects, and provides the high-pressure air charging and discharging valve with the novel sealing structure, so that the phenomenon that the sealing element falls off due to the fact that high-pressure high-flow gas severely impacts the inner sealing element is avoided, when the valve core is completely opened, the sealing element is completely separated from the sealing cavity, at the moment, the air flow rate near the sealing element is low, the sealing element cannot fall off, and continuous and stable air charging and discharging of the air charging and discharging valve is realized; the structure can realize two functions of inflation and deflation through one interface, has good manufacturability, simple and reliable mounting mode and wide application range, and can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a novel seal structure's high pressure fills bleed valve, includes protection cap, valve body, vice valve body and case, and the protection cap passes through the mode cover of screw thread on the valve body, is provided with air flue and case installation cavity in the valve body, and vice valve body is installed in the case installation cavity of valve body right-hand member, and the inboard of vice valve body is provided with the spring holder, sliding connection has the case in the case installation cavity, is provided with the spring between case and the spring holder, in inserting the air flue in the left end of case, be provided with the sealing member between case and the air flue, the middle part of case is contradicted on the boss of case installation cavity left end, and the left end face and the boss medial surface of case are provided with the conical surface structure of mutually supporting respectively, and this mutually supporting conical surface structure forms the gassing clearance, is provided with sealing washer I on the outer circumference of valve body, be provided with the gassing pole on the protection cap.
Further, be provided with the screw thread on the gassing pole, with protection cap threaded connection, the right-hand member of gassing pole inserts in the air flue, and the left end of gassing pole is provided with the operating head, has seted up the hole on the operating head.
Further, a nut used for locking is arranged on the air release rod, the outer diameter of the air release rod inserted into the air passage is smaller than the inner diameter of the air passage, the left end of the air passage is set to be a conical surface, and one end of the air release rod, which is in contact with the valve core, is set to be a semicircular structure.
Further, the outer surface of the protective cap is provided with a bleed hole, the bleed hole is arranged along the circumferential direction of the protective cap, a gap is reserved between the left end of the valve body and the protective cap, and the bleed hole is communicated with the air passage through the gap.
Further, the sealing piece comprises a sealing ring II and a protection ring, and the sealing ring II and the protection ring are arranged in the annular groove of the valve core.
Further, the valve core is provided with a pore canal along the circumferential direction, the spring seat is of a hollow structure, and the pore canal is communicated with the auxiliary valve body through the spring seat.
Compared with the prior art, the invention has the beneficial effects that:
the invention can realize two functions of inflation and deflation at the same interface, the inflation and deflation process is reliable and stable, and the long-term effective self-sealing function can be realized; at the moment when the valve core is opened, a narrow air release channel is formed by the flow limiting structure at the top of the valve core and the valve body, so that stable air release of the product is ensured; the travel of the valve core in the valve body is matched, a buffer cavity is reserved to reduce the flow rate of high-pressure air, and the sealing ring is prevented from being severely eroded and fallen off; the structure has the advantages of good manufacturability, small structure, light weight, simple and reliable installation mode and wide application range.
Drawings
FIG. 1 is a schematic view of the present invention in a closed state;
FIG. 2 is a schematic view of the inflated state structure of the present invention;
FIG. 3 is a schematic view of the open state structure of the present invention;
FIG. 4 is a schematic diagram of the fully open configuration of the present invention;
fig. 5 is an enlarged schematic view of the structure of the present invention at a.
In the figure: 1 air release rod, 2 protective cap, 3 valve body, 4 sealing washer I, 5 vice valve body, 6 spring holder, 7 springs, 8 case, 9 sealing washer II, 10 guard circle, 11 nut, 12 air flue, 13 case installation cavity, 14 bleed hole, 15 operating head, 16 boss.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a novel seal structure's high pressure fills bleed valve, including protection cap 2, valve body 3, vice valve body 5 and case 8, protection cap 2 overlaps on valve body 3 through the mode of screw thread, be provided with air flue 12 and case installation cavity 13 in the valve body 3, vice valve body 5 installs in the case installation cavity 13 of valve body 3 right-hand member, the inboard of vice valve body 5 is provided with spring holder 6, sliding connection has case 8 in the case installation cavity 13, be provided with spring 7 between case 8 and the spring holder 6, the duct has been seted up along the circumferencial direction to case 8, spring holder 6 is hollow structure, this duct passes through spring holder 6 and communicates with vice valve body 5, the left end of case 8 inserts in air flue 12, be provided with the sealing member between case 8 and the air flue 12, the sealing member includes sealing washer II 9 and guard ring 10, sealing washer II 9 and guard ring 10 all set up in the annular groove of case 8, sealing washer II 9 play the effect to sealing between case 8 and the air flue 12, the protection ring 10 protects the sealing ring II 9, prolongs the service life of the sealing piece, is made of fluorine rubber material, increases the structural strength, the middle part of the valve core 8 is abutted against the boss 16 at the left end of the valve core mounting cavity 13, the left end face of the valve core 8 and the inner side face of the boss 16 are respectively provided with mutually matched conical surface structures, the mutually matched conical surface structures form a gas discharge gap, namely a current limiting structure, the formed gas discharge gap is narrow, the flow rate of high-pressure air when passing through the sealing ring II 9 is limited, the sealing ring II 9 is ensured not to be flushed and fallen by high-pressure high-flow gas, the whole structure is ensured to be safe and reliable, the sealing ring I4 is arranged on the outer circumference of the valve body 3, the gas discharge rod 1 is arranged on the protection cap 2, threads are arranged on the gas discharge rod 1 and are in threaded connection with the protection cap 2, the right end of the gas discharge rod 1 is inserted into the air passage 12, the left end of the air release rod 1 is provided with an operation head 15, the operation head 15 is provided with a hole, and when the air release rod 1 is locked and difficult to be manually unscrewed, a tool can be adopted to pass through the hole on the operation head 15, and then screwing is performed.
Be provided with the nut 11 that is used for locking on the gassing pole 1, the external diameter that gassing pole 1 inserted air flue 12 is less than the internal diameter of air flue 12, and the air flue 12 left end sets up to the conical surface, is convenient for with outside inflation connector cooperation through air flue 12, increases area of contact, prevents that the contact point from leaking gas, and the one end that gassing pole 1 contacted with case 8 sets up to semi-circular structure, when screwing gassing pole 1, the semi-circular structure of gassing pole 1 one end reduces the area of contact with case 8, twists up more easily.
The outer surface of the protective cap 2 is provided with a vent hole 14, the vent hole 14 is arranged along the circumferential direction of the protective cap 2, a gap is reserved between the left end of the valve body 3 and the protective cap 2, and the vent hole 14 is communicated with the air passage 12 through the gap.
After the outlet screw thread of the high-pressure charge and discharge valve is screwed with the installation screw hole of the system, the sealing is realized through a sealing ring I4, and the high-pressure charge and discharge valve is in a closed state after installation as shown in the figure 1; the high-pressure charge and discharge valve functions as follows.
Inflation function: when the inflation requirement exists, after the external deflation rod 1, the nut 11 and the protective cap 2 are taken down, the sealing conical surface of the valve body is in butt joint with the joint of the inflation system, and the high-pressure gas pushes the internal valve core 8 and the spring 7 to move rightwards to achieve the inflation function, and the inflation state is shown in fig. 2.
The air release function: when there is the gassing demand, unscrew nut 11 unblock gassing pole 1, clockwise rotation gassing pole 1 promotes case 8 to remove to the right, when preliminary break away from between sealing washer II 9 and the sealed face of valve body 3, highly-compressed air is released in the twinkling of an eye, has not yet completely separated between sealing washer II 9 and the valve body 3 this moment, the position as shown in FIG. 3, at case 8 top conical surface structure and reasonable stroke that matches case 8 in valve body 3 inside, the narrow and small gassing passageway of formation has restricted the velocity of flow when highly-compressed air passes through sealing washer II 9, guarantee that the sealing washer spare is not erodeed by high-pressure high-flow gas and drops.
The deflation rod 1 is continuously rotated clockwise to push the valve core 8 and the sealing ring II 9 to continuously move rightwards, and meanwhile the spring 7 is compressed until the air passage is completely opened, and at the moment, the sealing ring II 9 is completely separated from the valve body 3; as shown in the position of fig. 4, at this moment, the air channel 12 is designed in the radial direction of the sealing ring II 9, the air channel 12 plays a role in buffering, the air flow velocity in the area of the air channel 12 is low, the sealing element is not caused to fall off, and the air channel is kept to be always communicated, so that a continuous and stable air release process is realized, high-pressure air is discharged to the atmosphere after being decelerated by the protective cap 2, and the safety is good.
Self-sealing function: after the inflation is finished, the valve core 8 moves leftwards under the combined action of the spring 7 and high-pressure gas, the sealing ring 9 is in contact with the valve body 3 to realize self-sealing, the sealing is effective for a long time, and finally, the external deflation rod 1, the nut 11 and the accessories of the protective cap 2 are installed and are loose-proof, and the closing state is shown in figure 1.
After the deflation is finished, the deflation rod 1 is rotated anticlockwise, the spring 7 is reset to push the valve core 8 to reset, at the moment, the contact between the sealing ring 9 and the valve body 3 realizes self-sealing, and the nut 11 is screwed to the position of the figure 1 to fix the deflation rod 1.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a novel seal structure's high pressure fills bleed valve, includes protection cap (2), valve body (3), vice valve body (5) and case (8), its characterized in that: the protection cap (2) is sleeved on the valve body (3) in a threaded mode, an air passage (12) and a valve core installation cavity (13) are arranged in the valve body (3), the auxiliary valve body (5) is installed in the valve core installation cavity (13) at the right end of the valve body (3), a spring seat (6) is arranged on the inner side of the auxiliary valve body (5), a valve core (8) is slidably connected in the valve core installation cavity (13), a spring (7) is arranged between the valve core (8) and the spring seat (6), the left end of the valve core (8) is inserted into the air passage (12), a sealing piece is arranged between the valve core (8) and the air passage (12), the middle part of the valve core (8) is abutted against a boss (16) at the left end of the valve core installation cavity (13), mutually matched conical surface structures are respectively arranged on the left end face of the valve core (8) and the inner side of the boss (16), a gas release gap is formed by the mutually matched conical surface structures, a sealing ring I (4) is arranged on the outer circumference of the valve body (3), and a gas release rod (1) is arranged on the protection cap (2).
2. The high-pressure air charging and discharging valve with novel sealing structure according to claim 1, wherein: the air release rod (1) is provided with threads, the air release rod is in threaded connection with the protective cap (2), the right end of the air release rod (1) is inserted into the air passage (12), the left end of the air release rod (1) is provided with an operation head (15), and a hole is formed in the operation head (15).
3. The high-pressure air charging and discharging valve with novel sealing structure according to claim 2, wherein: be provided with on gassing pole (1) and be used for nut (11) of locking, the external diameter that gassing pole (1) inserted air flue (12) is less than the internal diameter of air flue (12), and air flue (12) left end sets up to the conical surface, and gassing pole (1) and the one end of case (8) contact set up to semi-circular structure.
4. The high-pressure air charging and discharging valve with novel sealing structure according to claim 1, wherein: the outer surface of the protective cap (2) is provided with a vent hole (14), the vent hole (14) is arranged along the circumferential direction of the protective cap (2), a gap is reserved between the left end of the valve body (3) and the protective cap (2), and the vent hole (14) is communicated with the air passage (12) through the gap.
5. The high-pressure air charging and discharging valve with novel sealing structure according to claim 1, wherein: the sealing element comprises a sealing ring II (9) and a protection ring (10), and the sealing ring II (9) and the protection ring (10) are arranged in an annular groove of the valve core (8).
6. The high-pressure air charging and discharging valve with novel sealing structure according to claim 1, wherein: the valve core (8) is provided with a pore canal along the circumferential direction, the spring seat (6) is of a hollow structure, and the pore canal is communicated with the auxiliary valve body (5) through the spring seat (6).
CN202311343295.8A 2023-10-17 2023-10-17 Novel seal structure's high pressure fills bleed valve Pending CN117090955A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311343295.8A CN117090955A (en) 2023-10-17 2023-10-17 Novel seal structure's high pressure fills bleed valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311343295.8A CN117090955A (en) 2023-10-17 2023-10-17 Novel seal structure's high pressure fills bleed valve

Publications (1)

Publication Number Publication Date
CN117090955A true CN117090955A (en) 2023-11-21

Family

ID=88780629

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311343295.8A Pending CN117090955A (en) 2023-10-17 2023-10-17 Novel seal structure's high pressure fills bleed valve

Country Status (1)

Country Link
CN (1) CN117090955A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB708613A (en) * 1952-08-09 1954-05-05 Laycock Eng Ltd Improvements in plug-in pipe connections
US20040040596A1 (en) * 2002-08-27 2004-03-04 Lung-Po Tsai Valve used for an inflatable article
CN201339733Y (en) * 2008-12-29 2009-11-04 罗达莱克斯阀门(上海)有限公司 Charging valve for motor vehicle
CN201772073U (en) * 2010-08-26 2011-03-23 中国船舶重工集团公司第七○五研究所 High-pressure air valve
CN102062254A (en) * 2010-12-27 2011-05-18 嘉兴迈思特管件制造有限公司 Automatic exhaust device of heating equipment pipeline
CN202074044U (en) * 2010-12-31 2011-12-14 中国航天科技集团公司第六研究院第十一研究所 High-pressure long-life metal sealed inflation valve
CN108953711A (en) * 2018-07-05 2018-12-07 河南平高通用电气有限公司 A kind of aerating and exhaust device
CN216768368U (en) * 2022-02-23 2022-06-17 沈阳美茵联合检测有限公司 Inflation valve release frock
CN216975891U (en) * 2021-05-25 2022-07-15 苏州旗磐科技有限公司 One-way valve

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB708613A (en) * 1952-08-09 1954-05-05 Laycock Eng Ltd Improvements in plug-in pipe connections
US20040040596A1 (en) * 2002-08-27 2004-03-04 Lung-Po Tsai Valve used for an inflatable article
CN201339733Y (en) * 2008-12-29 2009-11-04 罗达莱克斯阀门(上海)有限公司 Charging valve for motor vehicle
CN201772073U (en) * 2010-08-26 2011-03-23 中国船舶重工集团公司第七○五研究所 High-pressure air valve
CN102062254A (en) * 2010-12-27 2011-05-18 嘉兴迈思特管件制造有限公司 Automatic exhaust device of heating equipment pipeline
CN202074044U (en) * 2010-12-31 2011-12-14 中国航天科技集团公司第六研究院第十一研究所 High-pressure long-life metal sealed inflation valve
CN108953711A (en) * 2018-07-05 2018-12-07 河南平高通用电气有限公司 A kind of aerating and exhaust device
CN216975891U (en) * 2021-05-25 2022-07-15 苏州旗磐科技有限公司 One-way valve
CN216768368U (en) * 2022-02-23 2022-06-17 沈阳美茵联合检测有限公司 Inflation valve release frock

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