High-pressure inflation valve
阅读说明:本技术 一种高压充气阀 (High-pressure inflation valve ) 是由 刘启亮 王俊 徐玲建 陈敏华 张永炬 于 2019-12-12 设计创作,主要内容包括:本发明提供了一种高压充气阀,属于阀门控制技术领域。它解决了现有高压充气阀与储气设备脱离时会喷出高压气体而对人身造成危险的问题。本高压充气阀包括开有进气口和出气口的阀座,阀座上安装有手柄结构,阀座上安装有充气阀芯组件,阀座上还开有泄气口,阀座上还安装有泄气阀芯组件,手柄结构能够驱动充气阀芯组件工作控制上述进气口和出气口的导通或闭合,手柄结构能够驱动上述泄气阀芯组件工作控制上述出气口和泄气口的闭合或导通。本高压充气阀具有结构简单、充气气体流量可控以及在与储气设备脱离前能够进行泄压从而不会喷出高压气体对人身造成危险的优点。(The invention provides a high-pressure inflation valve, and belongs to the technical field of valve control. The problem that when an existing high-pressure inflation valve is separated from gas storage equipment, high-pressure gas can be sprayed out to cause danger to a human body is solved. This high pressure inflation valve installs handle structure including opening the disk seat that has air inlet and gas outlet on the disk seat, installs inflation valve core subassembly on the disk seat, still opens the mouth of losing heart on the disk seat, still installs the case subassembly that loses heart on the disk seat, and handle structure can drive the switching on or the closure of the above-mentioned air inlet of case subassembly work control and gas outlet of aerifing, and handle structure can drive the above-mentioned gas outlet of case subassembly work control that loses heart and the closure or the switching on of mouthful. The high-pressure inflation valve has the advantages of simple structure, controllable flow of inflation gas and capability of releasing pressure before being separated from the gas storage equipment, so that high-pressure gas cannot be sprayed out to cause danger to the human body.)
1. The utility model provides a high pressure inflation valve, is including opening disk seat (1) that has air inlet (1a) and gas outlet (1b), installs handle structure on disk seat (1), install on disk seat (1) and aerify case subassembly, its characterized in that: still open on disk seat (1) and lose heart mouth (1c), the case subassembly that loses heart is still installed on disk seat (1), handle structure can drive the aforesaid and aerify switching on or closing of the above-mentioned air inlet of case subassembly work control (1a) and air outlet (1b), handle structure can drive the aforesaid and lose heart the closing or switching on of the above-mentioned air outlet of case subassembly work control (1b) and the mouth (1c) of losing heart.
2. The high-pressure inflation valve according to claim 1, wherein the valve seat (1) has a first mounting cavity (1d) formed therein, the inflation valve core assembly is mounted in the first mounting cavity (1d), the inflation valve core assembly comprises a first valve core seat (2), a first valve core (3) and a first driving mechanism, a first inner cavity (2a) is formed in the first valve core seat (2), the upper end and the lower end of the first valve core seat (2) are respectively provided with a first air outlet channel (2b1) and a first air inlet channel (2e1) communicated with the first inner cavity (2a), the first air inlet channel (2e1) is communicated with the air inlet (1a), the first driving mechanism comprises a needle seat (6), a needle inner cavity (61) is formed in the needle seat (6), a first needle pressing pin (7) is mounted in the needle inner cavity (61), and a first piston (8) fixedly connected to the first needle pressing pin (7) is mounted in the needle inner cavity (61), a first convex edge (81) is radially protruded at the middle part of the first piston (8), a first return spring (9) is sleeved on the first piston (8), one end of the first return spring (9) is abutted against the first convex edge (81), the other end is abutted against the first valve core seat (2), a steel ball (5) and a second return spring (4) which drives the first valve core (3) to be always upward to seal the first air outlet channel (2b1) are arranged in the first inner cavity (2a), the steel ball (5) is blocked at the first air inlet channel (2e1), the upper end and the lower end of the second return spring (4) are respectively abutted against the first valve core (3) and the steel ball (5), the first piston (8) is positioned above the first valve core seat (2), and when the first piston (8) moves downwards, the first valve core (3) can be driven to move downwards to open the first air outlet channel (2b 1).
3. The high-pressure charging valve according to claim 2, wherein the first valve core seat (2) comprises a gas-closing cover (2b), a support cylinder (2c), a sintered filter (2d) and a valve core end cover (2e) which are sequentially connected from top to bottom, and the first gas outlet channel (2b1) and the first gas inlet channel (2e1) are respectively arranged on the gas-closing cover (2b) and the valve core end cover (2 e).
4. A high pressure gas charging valve according to claim 3, characterized in that the inner wall of the first gas outlet channel (2b1) has a conical surface, and the corresponding first valve core (3) is a closed cone with a conical surface structure.
5. The high-pressure inflation valve according to claim 3 or 4, characterized in that the upper end of the needle-lift seat (6) is connected with the inner wall of the first installation cavity (1d) in a sealing manner through a first sealing ring (10), the middle of the first piston (8) is connected with the needle-lift inner cavity (61) in a sealing manner through a second sealing ring (11), and the upper end of the first valve core seat (2) is connected with the first installation cavity (1d) in a sealing manner through a third sealing ring (12); an O-shaped sealing ring (13) is arranged between the sintering filter (2d) and the valve core end cover (2 e).
6. The high-pressure inflation valve according to claim 5, wherein the valve seat (1) is further provided with a second mounting cavity (1e) and a gas passing channel (1f), the first mounting cavity (1d) is communicated with the second mounting cavity (1e) through the gas passing channel (1f), the gas releasing valve core assembly is mounted in the second mounting cavity (1e), the gas releasing valve core assembly comprises a second valve core seat (16), a second valve core (17) and a second piston (14), a second inner cavity is formed in the second valve core seat (16), a second gas outlet channel (162) and a second gas inlet channel (161) which are communicated with the second inner cavity are respectively formed at the upper end and the lower end of the second valve core seat (16), the second gas inlet channel (161) is communicated with the gas outlet (1b), and a second convex edge (141) radially protrudes from the middle part of the second piston (14), the cover is equipped with third reset spring (15) on second piston (14), third reset spring (15) one end is supported and is leaned on above-mentioned second protruding edge (141), and the other end supports and leans on above-mentioned second valve core seat (16), install in the second inner chamber and have and drive above-mentioned second valve core (17) and upwards make above-mentioned second air outlet channel (162) confined fourth reset spring (18) all the time, fourth reset spring (18) upper end and lower extreme support respectively and lean on the lateral wall of above-mentioned second valve core (17) and second air inlet channel (161) mouth department, and above-mentioned second piston (14) can drive above-mentioned second valve core (17) when being located second valve core seat (16) top and second piston (14) and moving down and make above-mentioned second air outlet channel (162) open and above-mentioned disappointing mouth (1c) intercommunication.
7. A high pressure inflation valve according to claim 6, wherein the second valve cartridge seat (16) is of the same construction as the first valve cartridge seat (2); the structure of the second outlet passage (162) is the same as that of the first outlet passage (2b1), and the structure of the second valve spool (17) is the same as that of the first valve spool (3); the second valve core seat (16) is hermetically connected with the second mounting cavity (1e) through a fourth sealing ring (19).
8. The high pressure inflation valve according to claim 7, wherein the handle structure comprises a handle seat (20), a stud, a handle (24) and a nut seat (21), the handle seat (20) is provided with a handle mounting groove (201), the stud is arranged in the nut seat (21) in a penetrating way, two ends of the stud respectively extend out of two ends of the nut seat (21), the outer end of the stud is in threaded connection with the handle (24), the inner end of the stud is provided with a knock pin (231), the nut seat (21) is rotatably connected on the left and right side groove walls of the handle mounting groove (201) through a rotating pin which is positioned right above the first thimble pressing pin (7), when the bolt (23) rotates around the rotating pin and then is positioned in the same direction with the first thimble pressing pin (7), the ejector pin (231) pushes the first ejector pin pressing pin (7) to move downwards.
9. A high pressure inflation valve as claimed in claim 8, wherein a groove is formed in the middle of the nut seat (21), an adjusting nut (22) is provided in the groove, the adjusting nut (22) is in threaded connection with the bolt (23), and the bolt (23) can be driven to move left and right relative to the nut seat (21) by rotating the adjusting nut (22); the adjusting nut (22) is positioned right above the second piston (14), and when the adjusting nut (22) rotates downwards around the rotating pin, the adjusting nut abuts against the second piston (14) and drives the second piston (14) to move downwards.
10. The high pressure inflation valve as claimed in claim 8, wherein the handle mounting groove (201) comprises a rear groove wall and the left and right groove walls, the side of the handle mounting groove (201) opposite to the rear groove wall is through to the side of the handle seat (20), a disc magnet (25) is embedded in the rear groove wall, a cylindrical magnet (26) is embedded in the end of the bolt (23) close to the top pin (231), and the cylindrical magnet (26) and the disc magnet (25) have opposite magnetism.
Technical Field
The invention belongs to the technical field of valve control, and relates to a high-pressure inflation valve.
Background
The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like.
The published Chinese patent with the publication number of CN108799512A and the name of a high-pressure valve comprises a valve body with an air inlet, an air outlet and a mounting hole, a pressing device which is arranged in the mounting hole, is hermetically connected with the inner side wall of the mounting hole, is provided with an air inlet hole and an air outlet hole and is used for controlling the communication or the closing of the air inlet and the air outlet; and the limiting block is arranged below the pressing device, matched with the pressing device and the air inlet and used for limiting whether the air inlet of the pressing device enters air or not. The opening and closing of the valve are controlled by pressing or lifting the pressing device, and when the valve is applied to high-pressure inflation, such as high-pressure gas inflation of gas storage equipment, the valve has the following problems: the high-pressure gas charging device mainly comprises a high-pressure gas charging valve, wherein the high-pressure gas charging valve is required to be separated from the gas storage device after the gas storage device is charged with high-pressure gas, and then the next gas storage device can be charged with gas.
Disclosure of Invention
The invention aims to solve the technical problems and provides a high-pressure inflation valve.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a high pressure inflation valve, is including opening the disk seat that has air inlet and gas outlet, installs handle structure on the disk seat, install the case subassembly of aerifing on the disk seat, its characterized in that: still open the mouth that loses heart on the disk seat, still install the case subassembly that loses heart on the disk seat, handle structure can drive the aforesaid and aerify the switch on or the closure of the above-mentioned air inlet of case subassembly work control and gas outlet, handle structure can drive the aforesaid and lose heart the closure of case subassembly work control above-mentioned gas outlet and the mouth that loses heart or switch on.
In the high-pressure inflation valve, the valve seat is internally provided with a first installation cavity, the inflation valve core assembly is installed in the first installation cavity, the inflation valve core assembly comprises a first valve core seat, a first valve core and a first driving mechanism, the first valve core seat is internally provided with a first inner cavity, the upper end and the lower end of the first valve core seat are respectively provided with a first air outlet channel and a first air inlet channel which are communicated with the first inner cavity, the first air inlet channel is communicated with the air inlet, the first driving mechanism comprises a thimble seat, the thimble seat is internally provided with a thimble inner cavity, the thimble inner cavity is internally provided with a first thimble press pin and a first piston which is fixedly connected with the first thimble press pin, the middle part of the first piston is radially protruded with a first convex edge, the first piston is sleeved with a first reset spring, one end of the first reset spring is abutted against the first convex edge, the other end of the first inner cavity is abutted against the first valve core seat, a steel ball and a second return spring which drives the first valve core to be always upwards to seal the first air outlet channel are arranged in the first inner cavity, the steel ball is blocked at the first air inlet channel, the upper end and the lower end of the second return spring are respectively abutted against the first valve core and the steel ball, and the first piston is positioned above the first valve core seat and can drive the first valve core to move downwards to open the first air outlet channel when moving downwards.
In the above high pressure inflation valve, the first valve core seat includes an air-closing cover, a support cylinder, a sintered filter and a valve core end cover, which are sequentially connected from top to bottom, and the first air outlet channel and the first air inlet channel are respectively provided on the air-closing cover and the valve core end cover.
In the above high-pressure inflation valve, the inner wall of the first air outlet channel has a conical surface, and the corresponding first valve core is an air-closing cone with a conical surface structure.
In the high-pressure inflation valve, the upper end part of the thimble seat is hermetically connected with the inner wall of the first installation cavity through a first sealing ring, the middle part of the first piston is hermetically connected with the inner cavity of the thimble through a second sealing ring, and the upper end part of the first valve core seat is hermetically connected with the first installation cavity through a third sealing ring; an O-shaped sealing ring is arranged between the sintered filter and the valve core end cover.
In the above high pressure inflation valve, the valve seat on still seted up the second installation cavity and cross the gas passageway, above-mentioned first installation cavity is through crossing gas passageway and second installation cavity intercommunication, and above-mentioned case subassembly that loses heart is installed in the second installation cavity, the case subassembly that loses heart includes second case seat, second case and second piston, it has the second inner chamber to open in the second case seat, second outlet channel and the second inlet channel that communicates with above-mentioned second inner chamber have been opened respectively to second case seat upper end and lower extreme, the second inlet channel communicates with above-mentioned gas outlet, the radial protrusion in middle part of second piston has the second protruding edge, the cover is equipped with third reset spring on the second piston, third reset spring one end supports and leans on above-mentioned second protruding edge, and the other end supports and leans on above-mentioned second case seat, install in the second inner chamber and have and order to make above-mentioned second case upwards all the time make above-mentioned second outlet channel confined fourth reset spring, the upper end and the lower end of the fourth reset spring are respectively abutted against the side walls of the second valve core and the second air inlet channel, and the second piston is positioned above the second valve core seat and can drive the second valve core to move downwards when moving downwards so as to open the second air outlet channel to be communicated with the air outlet.
In the above-mentioned high pressure inflation valve, the second valve core seat structure is the same as the first valve core seat structure; the structure of the second air outlet channel is the same as that of the first air outlet channel, and the structure of the corresponding second valve core is the same as that of the first valve core; and the second valve core seat is hermetically connected with the second mounting cavity through a fourth sealing ring.
In foretell high pressure charging valve, handle structure include handle seat, double-screw bolt, handle and nut seat, it has the handle mounting groove to open on the handle seat, the double-screw bolt is worn to establish in the nut seat and the both ends of double-screw bolt stretch out respectively outside the nut seat both ends, the outer end and the above-mentioned handle threaded connection of double-screw bolt, the inner of double-screw bolt is the knock pin, the nut seat rotates through the rotating pin to be connected on the left and right sides cell wall of above-mentioned handle mounting groove, and the rotating pin is located above-mentioned first thimble pressure pin, works as when the bolt rotates back around the rotating pin and is in the equidirectional with first thimble pressure pin, the knock pin is pushing up first thimble pressure pin moves down.
In the high-pressure inflation valve, a groove is formed in the middle of the nut seat, an adjusting nut is arranged in the groove and is in threaded connection with the bolt, and the bolt can be driven to move left and right relative to the nut seat by rotating the adjusting nut; the adjusting nut is positioned right above the second piston, and when the adjusting nut rotates downwards around the rotating pin, the adjusting nut abuts against the second piston and drives the second piston to move downwards.
In the above-mentioned high pressure inflation valve, the handle mounting groove include rear side cell wall and foretell left and right sides cell wall, the handle mounting groove link up to handle seat side with the just right side of above-mentioned rear side cell wall, it is equipped with the cake magnet to inlay on the cell wall of rear side, the bolt is close to that of knock pin and is equipped with cylinder magnet, cylinder magnet and above-mentioned cake magnet magnetism are opposite.
Compared with the prior art, the high-pressure inflation valve has the following advantages:
1. the air leakage valve core assembly is arranged for controlling the air leakage opening and the air outlet to be communicated or closed, when high-pressure inflation is finished, the air leakage opening and the air outlet are controlled to be communicated through the air leakage valve core assembly to remove and release high-pressure air at the air outlet and on the air transmission channel before the high-pressure inflation valve is separated from the air storage device, and the high-pressure air is separated after the air pressure is reduced, so that the high-pressure air is prevented from being sprayed out to cause personal injury, and the operation safety is guaranteed;
2. the handle structure can respectively control the work of the inflation valve core assembly and the deflation valve core assembly, when the handle is in an initial horizontal state, the first valve core and the second valve core respectively block the first air outlet channel and the second air outlet channel so as to be in a closed state, and when the handle rotates upwards, the ejector pin of the bolt can drive the first valve core to move downwards so as to open and conduct the first air outlet channel; when the handle rotates downwards, the adjusting nut can drive the second valve core to move downwards so as to open and conduct the second air outlet channel; the handle structure can simultaneously control the conduction of the first valve core and the second valve core, the design is ingenious, the structure is simplified, and the cost is reduced;
3. through the adjustment of the adjusting nut, the range of the distance for the first thimble pressing pin to move downwards when the ejector pin abuts against the first thimble pressing pin can be changed, so that the opening degree of the first valve core on the first air outlet channel can be controlled, namely the opening degree of the first air outlet channel can be adjusted, and the flow rate of inflation gas, namely the inflation speed, of the controller can be controlled;
4. the acting force generated by the disk magnet and the cylindrical magnet can overcome the gravity at the end of the handle, so that the handle structure is kept stable in the horizontal direction, the adjusting nut is not contacted with the second piston, and the second air outlet channel is in a closed non-working state in the state.
Drawings
FIG. 1 is a cross-sectional view of the present high pressure inflation valve.
Fig. 2 is a sectional view of the first valve seat, the first valve element, the second return spring, the steel ball, and the like.
FIG. 3 is a structural view of the high pressure inflation valve during inflation.
FIG. 4 is a state diagram of the high pressure inflation valve when deflated.
In the figure, 1, valve seat; 1a, an air inlet; 1b, an air outlet; 1c, an air leakage opening; 1d, a first mounting cavity; 1e, a second mounting cavity; 1f, a gas passage; 2. a first valve core seat; 2a, a first inner cavity; 2b, an air closing cover; 2b1, a first outlet channel; 2c, a support cylinder; 2d, sintering the filter; 2e, a valve core end cover; 2e1, a first intake passage; 3. a first valve spool; 4. a second return spring; 5. a steel ball; 6. a thimble seat; 61. an inner cavity of the thimble; 7. pressing a pin by a first thimble; 8. a first piston; 81. a first convex edge; 9. a first return spring; 10. a first seal ring; 11. a second seal ring; 12. a third seal ring; 13. an O-shaped sealing ring; 14. a second piston; 141. a second convex edge; 15. a third return spring; 16. a second spool seat; 161. a second intake passage; 162. a second air outlet channel; 17. a second valve core; 18. a fourth return spring; 19. a fourth seal ring; 20. a handle seat; 201. a handle mounting groove; 21. a nut seat; 22. adjusting the nut; 23. a bolt; 231. a knock pin; 24. a handle; 25. a cake magnet; 26. a cylindrical magnet.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in FIG. 1, the high pressure inflation valve comprises a handle structure and a
Specifically, as shown in fig. 1 and 2, the charging spool assembly includes a first spool seat 2, a first spool 3, and a first drive mechanism. The first valve core seat 2 is internally provided with a first inner cavity 2a, the first valve core seat 2 comprises an air closing cover 2b, a support cylinder 2c, a sintered filter 2d and a valve core end cover 2e which are sequentially connected and installed from top to bottom, the air closing cover 2b is provided with a first air outlet channel 2b1, the valve core end cover 2e is provided with a first air inlet channel 2e1, the first inner cavity 2a is communicated with the air inlet 1a through a first air inlet channel 2e1, and the first air outlet channel 2b1 of the first inner cavity 2a is communicated with the
Further, the first driving mechanism is installed right above the first valve core seat 2 and includes an
Further, the upper end of the
As shown in fig. 1, the run-flat spool assembly includes a
The second
Further, as shown in fig. 1, the handle structure includes a
Under the action of the adjusting
Further, a
The working principle of the high-pressure inflation valve is as follows:
in the initial state, the
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
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