CN217453803U

CN217453803U - Linkage device of air valve

Info

Publication number: CN217453803U
Application number: CN202220631527.4U
Authority: CN
Inventors: 欧伟; 贺国忠; 王军杰; 贺裕伟
Original assignee: Ningbo Haibo Security Technology Co ltd
Current assignee: Ningbo Haibo Security Technology Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-09-20
Anticipated expiration: 2032-03-22

Abstract

The utility model provides a linkage of pneumatic valve, aerify the bottleneck that the sleeve was installed at the gas cylinder, the driving piece strikes the gas cylinder, the thimble punctures the gas cylinder and makes the gas cylinder release gas to aerifing in the sleeve, it is linked together with aerifing the sleeve to advance the jar, the thimble is located in aerifing the sleeve, the valve core is located in aerifing the sleeve, the ejector pin inner end offsets with the valve core, the ejector pin drives the valve core inwards to remove and open the valve core under the exogenic action, along with advancing the gaseous outside discharge through the gas outlet in the jar, valve core and ejector pin can outwards reset and close the valve core. The linkage device of the gas valve can release gas in a gas cylinder into the inflation sleeve under the driving of the driving piece, the ejector rod drives the valve core to open, the gas in the inflation sleeve enters the propulsion cylinder, when the air input is large enough, the purpose of high-thrust impact can be achieved, after the impact is completed, the valve core can be closed to meet the next impact, the linkage device is compact in structure, stable and reliable in action, and the gas in one gas cylinder can be used for multiple impacts.

Description

Linkage device of air valve

Technical Field

The utility model relates to a pneumatic mechanism especially relates to a linkage of pneumatic valve.

Background

The air valve linkage is widely applied to pneumatic devices, for example, the air valve linkage is used as a core mechanism in a common pneumatic impact hammer. The pneumatic impact hammer is a mechanical tool which takes compressed air as power and instantly releases to push an internal hammer head to impact, has the advantages of large impact force, low noise, convenient installation, use in explosion-proof, dusty, humid and other environments and the like, and has wide application in the fields of industry, agriculture, building industry and the like. Most of the existing air valve linkage devices are not compact enough in structure and low in action reliability, so that the working stability of a pneumatic device is directly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to above-mentioned prior art current situation, provide a linkage of compact structure, action reliable pneumatic valve.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this aggregate unit of pneumatic valve, its characterized in that includes:

a gas cylinder;

the inflating sleeve is arranged at the opening of the gas cylinder and is provided with an exhaust port;

the driving piece is used for impacting the gas cylinder to enable the gas cylinder to release gas into the inflating sleeve;

the propelling cylinder is provided with an air inlet and an air outlet, the air inlet is communicated with the air outlet of the inflating sleeve, and the air outlet is communicated with the outside;

the thimble is arranged in the inflation sleeve, the needle head of the thimble faces the bottle opening of the gas bottle, and under the action of the driving piece, the gas bottle and the thimble move relatively to cause the bottle opening to be punctured by the thimble, so that the gas in the gas bottle enters the inflation sleeve;

the valve core is arranged in the inflating sleeve, gas in the inflating sleeve enters the propelling cylinder through the exhaust port in the opening state of the valve core, and the inflating sleeve is isolated from the propelling cylinder in the closing state of the valve core; and

the inner end of the ejector rod is arranged in the inflating sleeve and abuts against the valve inside, the ejector rod drives the valve inside to move inwards under the action of external force to open the valve inside, the valve inside and the ejector rod can reset outwards to close the valve inside along with the fact that gas in the propelling cylinder is discharged outwards through the gas outlet.

In order to ensure that the valve core can be smoothly reset in the external force disappearance state, a valve core spring is installed in the inflating sleeve, the valve core spring is in an energy storage state to keep the valve core closed in the opening state of the valve core, and the valve core spring can drive the valve core and the ejector rod to synchronously reset outwards to close the valve core in the external force disappearance state acting on the ejector rod.

In order to ensure that the gas in the inflation sleeve can smoothly enter the propelling cylinder, a connecting gas valve is arranged between the exhaust port of the inflation sleeve and the gas inlet of the propelling cylinder.

In order to avoid air leakage at the joint of the connecting air valve, it is further preferable that sealing rings are respectively installed between the connecting air valve and the inflation sleeve and between the connecting air valve and the propulsion cylinder.

As a preferred scheme, the gas cylinder is arranged in a shell, the driving piece comprises a key, a first connecting rod, a key spring, a release trigger, a fastening base, a release spring, a pressing block, a release trigger spring and a pull rod, the key is rotatably arranged outside the shell, the fastening base is arranged at the rear end of the shell, the pressing block, the release spring and the pull rod are arranged in the shell, the release trigger is rotatably arranged on the shell, the first connecting rod is arranged between the key and the first end of the release trigger, the second end of the release trigger is used for abutting against the pressing block, the front end of the pull rod abuts against the tail part of the gas cylinder, the pressing block is movably arranged on the pull rod, the release spring is arranged between the fastening base and the pressing block, and the release trigger is separated from the pressing block under the pressing of the first connecting rod under the state that the key is pressed down so that the pressing block moves forward under the action of the release spring, and then the gas cylinder is pushed to move towards the thimble to open the bottle mouth, the key is reset under the action of the key spring in a key loosening state, and the release trigger is reset under the action of the release trigger spring. Therefore, the pressing block can impact the gas cylinder by pressing the key, the gas cylinder releases gas into the gas charging sleeve, and the operation is very convenient.

Preferably, the key abuts against the middle of the first connecting rod, the first end of the first connecting rod abuts against the first end of the release trigger, the second end of the first connecting rod is connected with the first end of the second connecting rod, the second end of the second connecting rod is connected with the first end of the third connecting rod, the push-pull type release valve further comprises a reset elastic sheet, a first transmission rod and a second transmission rod, the first transmission rod and the second transmission rod are rotating pieces, the second end of the third connecting rod is provided with a stopping part abutting against the first end of the first transmission rod, the second end of the first transmission rod abuts against the outer end of the push rod, during the pressing process of the key, the second end of the first transmission rod is driven to act on the push rod to enable the push rod to move inwards through the linkage of the first connecting rod, the second connecting rod and the third connecting rod, so as to open the valve core, the reset elastic sheet and the second transmission rod are arranged on two sides of the second end of the third connecting rod, the push cylinder is internally provided with a piston and a piston return spring, when sufficient gas in the gas-filled sleeve enters the push cylinder, the gas in the push cylinder drives the piston to move to open a gas outlet, the piston return spring is in an energy storage state, the piston moves to drive the second transmission rod to rotate so as to separate a stop part of the third connecting rod from the first transmission rod, the valve inside is closed along with the valve inside and drives the ejector rod and the first transmission rod to reset, the piston return spring can drive the piston to reset along with the release of the gas in the push cylinder, and the third connecting rod and the second transmission rod reset under the action of the reset elastic piece along with the disappearance of the acting force of the piston on the second transmission rod. Thus, after sufficient gas in the inflation sleeve enters the propulsion cylinder, the valve core can be closed along with the movement of the piston.

Preferably, the first transmission rod is provided with a first pin shaft, the first transmission rod can rotate around the first pin shaft, the second transmission rod is provided with a second pin shaft, and the second transmission rod can rotate around the second pin shaft.

Preferably, the ejector pin is fixed in the inflating sleeve.

As another preferred scheme, the driving piece is a gas cylinder bin cover in threaded connection with the inflation sleeve, the gas cylinder is arranged in the gas cylinder bin cover, and a spring is arranged between the tail of the gas cylinder and the gas cylinder bin cover. Therefore, the gas bottle bin cover is screwed to drive the gas bottle to move inwards, so that the thimble punctures the bottle opening, and gas in the gas bottle enters the inflating sleeve.

Preferably, the linkage device of the air valve further comprises a shell, wherein a pressure rod assembly and an excitation trigger are mounted on the shell, and the excitation trigger can act on the pressure rod assembly so as to enable the pressure rod assembly to generate the external force on the ejector rod. Therefore, the trigger can be triggered by operating the trigger, and the operation is very convenient.

Preferably, an exhaust passage is formed in the housing, a push rod is installed in the exhaust passage, a striker is installed in the propulsion cylinder, and when the striker is impacted by gas in the propulsion cylinder and extends outwards, airflow in the propulsion cylinder enters the exhaust passage and drives the push rod to act on the compression bar assembly, so that the ejector rod is reset, and the valve core is closed accordingly. Therefore, after the impact on the firing pin is completed, the push rod drives the compression bar assembly to act, so that the ejector rod can reset, and the valve core is closed.

The pressure lever component can have various structures, preferably, the pressure lever component comprises a lower pressure block, a pressure spring and a movable head, the lower pressure block is exposed out of the shell, the pressure spring is installed between the lower pressure block and the shell to enable the lower pressure block to keep a trend of moving outwards, the inner end of the lower pressure block abuts against the outer end of the movable head, the movable head is rotatably arranged on the shell, the inner end of the movable head abuts against the outer end of the ejector rod, and the movable head rotates under the action of the push rod to enable the ejector rod to reset.

Compared with the prior art, the utility model has the advantages of: the linkage device of the gas valve can release gas in a gas cylinder into the inflation sleeve under the driving of the driving piece, the ejector rod drives the valve inside to be opened under the action of external force, the gas in the inflation sleeve enters the propulsion cylinder, when the air inflow is large enough, the purpose of high-thrust impact can be achieved, after the impact is completed, the valve inside can be closed to meet the next impact, the linkage device is compact in structure, stable and reliable in action, and the gas in one gas cylinder can be used for multiple impacts.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic diagram of an internal structure (a key-released state) according to a first embodiment of the present invention;

FIG. 3 is a schematic view of the valve linkage of FIG. 2 from another angle;

FIG. 4 is a cross-sectional view of the valve linkage of FIG. 2;

FIG. 5 is a schematic view of the valve linkage assembly of FIG. 2 at a different angle;

fig. 6 is a schematic view of an internal structure (a key-down state) of the first embodiment of the present invention;

FIG. 7 is a schematic view of the valve linkage of FIG. 6 at another angle;

FIG. 8 is a cross-sectional view of the valve linkage of FIG. 6;

FIG. 9 is a schematic view of the valve linkage of FIG. 6;

fig. 10 is a schematic structural view of a second embodiment of the present invention (the trigger is not activated);

FIG. 11 is a cross-sectional view of the impact hammer of FIG. 10;

fig. 12 is a schematic structural view of the second embodiment of the present invention (with the safety buckle pulled out);

fig. 13 is a structural sectional view of the impact hammer shown in fig. 12;

fig. 14 is a schematic structural view (trigger activated) of the second embodiment of the present invention;

FIG. 15 is a cross-sectional structural view of the impact hammer of FIG. 14;

fig. 16 is a schematic structural view (striker protruding state) of a second embodiment of the present invention;

FIG. 17 is a cross-sectional view of the impact hammer of FIG. 16 with the valve core open;

FIG. 18 is a cross-sectional view of the impact hammer of FIG. 16 (valve core closed);

fig. 19 is a structural sectional view (striker reset state) of a second embodiment of the present invention;

fig. 20 is a cross-sectional view of the structure of an embodiment of the present invention (trigger reset activated).

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

The first embodiment is as follows:

as shown in fig. 1 to 9, the valve linkage device of the present embodiment includes an air cylinder 1, an inflation sleeve 2, a push cylinder 3, a push pin 4, a valve core 5, a push rod 6, a valve core spring 7, a connecting valve 8, a drive member, and a housing 10. Wherein, the gas cylinder 1 is arranged in the shell 10, and the gas cylinder 1 is filled with gas, such as carbon dioxide. An inflation sleeve 2 is mounted at the mouth of the gas cylinder 1, the inflation sleeve 2 having a gas outlet. The propulsion cylinder 3 is provided with an air inlet and an air outlet 31, the air inlet is communicated with the air outlet of the inflating sleeve 2 through the connecting air valve 8, the air outlet 31 is communicated with the outside, and the air in the propulsion cylinder 3 is discharged outwards through the air outlet 31.

The ejector pin 4, the valve core 5, the ejector rod 6 and the valve core spring 7 are all arranged in the inflating sleeve 2 along the axial direction, and the valve core 5 is positioned between the ejector pin 4 and the ejector rod 6. In this embodiment, the thimble 4 is fixed inside the inflating sleeve 2, the needle of the thimble 4 faces the opening of the gas cylinder 1, and the driving member drives the gas cylinder 1 to move relative to the thimble 4, so that the opening is punctured by the thimble 4, and the gas in the gas cylinder 1 can enter the inflating sleeve 2. The inner end of the ejector rod 6 is abutted against the valve inside 5, and the outer end of the ejector rod 6 extends outwards out of the inflating sleeve 2.

When external force acts on the ejector rod 6 to move the ejector rod 6 inwards, the ejector rod 6 drives the valve core 5 to move axially inwards relative to the inflating sleeve 2, and therefore the valve core 5 is opened. In the open state of the valve core 5, the gas in the gas-filled sleeve 2 enters the propulsion cylinder 3 through the connecting gas valve 8, at which time the valve core spring 7 is in the charged state and the valve core 5 keeps the tendency to close. When the external force acting on the ejector rod 6 disappears, the valve core spring 7 drives the valve core 5 to move outwards and reset, namely the valve core 5 is closed, so that the gas in the inflating sleeve 2 can not enter the propelling cylinder 3, and at the moment, the valve core 5 drives the ejector rod 6 to move outwards synchronously and reset.

The driving member of this embodiment includes a push button 91, a first link 92, a push button spring 93, a release trigger 94, a fastening base 95, a release spring 96, a pressing piece 97, a release trigger spring 98, and a pull rod 99. The housing 10 is provided with a key rotation shaft 911, and the key 91 can rotate around the key rotation shaft 911 relative to the housing 10. The first link 92 is U-shaped and has a force-receiving portion at both ends, the button 91 abuts against the middle area of the top of the first link 92, and the button spring 93 is mounted between the button 91 and the housing 10 for resetting the button 91. A release trigger rotating shaft 941 is further installed on the housing 10, the release trigger 94 can rotate relative to the housing 10 around the release trigger rotating shaft 941, and a release trigger spring 98 is provided between the release trigger 94 and the housing 10 for resetting the release trigger 94.

A fastening base 95 is installed at the rear end of the housing 10 with the direction indicated by arrow a in fig. 4 as the forward direction, and a pressing piece 97, a releasing spring 96 and a pulling rod 99 are provided in the housing 10. The front end of the pull rod 99 is pressed against the tail part of the gas cylinder 1, the press block 97 is movably arranged on the pull rod 99, and the release spring 96 is arranged between the fastening base 95 and the press block 97. A first end of the release trigger 94 abuts the first link 92 and a second end of the release trigger 94 is adapted to abut the press block 97.

As shown in FIG. 4, in the released state of the button 91, the second end of the release trigger 94 abuts against the pressing piece 97 under the elastic force of the release trigger spring 98 to prevent the pressing piece 97 from moving forward, and at this time, the release spring 96 is in a compressed state to keep the pressing piece 97 moving forward. As shown in fig. 6, in a state that the button 91 is pressed, the release trigger 94 is separated from the pressing block 97 by the pressing of the first link 92, and the pressing block 97 moves forward by the release spring 96, so as to push the gas cylinder 1 to move toward the thimble 4, so that the needle of the thimble 4 punctures the bottle opening. Once the push button 91 is released, the push button 91 is reset by the push button spring 93, the release trigger 94 is reset by the release trigger spring 98, and the release spring 96 is not reset, i.e. the gas cylinder 1 is not retreated after being pushed forward by the pressing block 97.

Referring to fig. 5, a first end of the first link 92 abuts against a first end of the release trigger 94, a second end of the first link 92 is connected to a first end of the second link 11, and a second end of the second link 11 is connected to a first end of the third link 12. The air valve linkage device of the embodiment further comprises a return spring 13, a first transmission rod 14 and a second transmission rod 15, wherein the first transmission rod 14 and the second transmission rod 15 are rotating pieces. A first pin shaft 18 is installed on the first transmission rod 14, the first transmission rod 14 can rotate around the first pin shaft 18, a second pin shaft 19 is installed on the second transmission rod 15, the second transmission rod 15 can rotate around the second pin shaft 19, and the first transmission rod 14 and the second transmission rod 15 form a structure similar to a seesaw. The second end of the third connecting rod 12 has a stopping portion 121 abutting against the first end of the first transmission rod 14, and the second end of the first transmission rod 14 abuts against the outer end of the top rod 6. The reset elastic sheet 13 and the second transmission rod 15 are arranged on two sides of the second end of the third connecting rod 12. Therefore, when the key 91 is pressed down, the third connecting rod 12 is driven to extend forward through the transmission of the first connecting rod 92 and the second connecting rod 11, the third connecting rod 12 drives the first end of the first transmission rod 14 to move forward outwards, the second end of the first transmission rod 14 to move backward inwards, the first transmission rod 14 drives the ejector rod 6 to move inwards, the ejector rod 6 moves inwards to drive the valve core 5 to move synchronously inwards, and then the valve core 5 is opened.

As shown in fig. 4 and 8, a piston 16 and a piston return spring 17 are installed in the propulsion cylinder 3, when the valve core 5 is opened, the pressure in the propulsion cylinder 3 is increased in a state that sufficient gas in the gas-filled sleeve 2 enters the propulsion cylinder 3, the gas in the propulsion cylinder 3 drives the piston 16 to move forward to open the gas outlet 31, and the purpose of large thrust impact is achieved, and at the moment, the piston return spring 17 is in a state of energy storage. As shown in fig. 5 and 9, the second transmission rod 15 is driven to rotate during the forward movement of the piston, the stopper 121 of the third connecting rod 12 is disengaged from the first transmission rod 14 under the drive of the second transmission rod 15, at this time, the valve core 5 is reset forward under the elastic force of the valve core spring 7, the valve core 5 is closed, and the valve core 5 drives the ejector rod 6 and the first transmission rod 14 to reset. After one impact is finished, along with the release of the gas of the propelling cylinder 3, the pressure of the propelling cylinder 3 is reduced, the piston 16 is reset backwards under the elastic force of the piston reset spring 17, the acting force of the piston 16 on the second transmission rod 15 disappears, the third connecting rod 12 and the second transmission rod 15 are reset under the elastic force of the reset elastic sheet 13, and the stopping part 121 of the third connecting rod 12 is abutted against the first end of the first transmission rod 14 again to meet the next firing.

The working process of the air valve linkage device of the embodiment is as follows:

when the key 91 is pressed, the release trigger 94 is released, the needle head of the thimble 4 punctures the mouth of the bottle, the gas in the gas bottle 1 enters the inflating sleeve 2, and meanwhile, the ejector rod 6 is driven to move inwards through the transmission of the first connecting rod 92, the second connecting rod 11, the third connecting rod 12 and the first transmission rod 14, so that the valve core 5 is opened; after the valve core 5 is opened, the gas in the inflating sleeve 2 enters the propelling cylinder 3 through the connecting gas valve 8; then, after the propelling cylinder 3 enters sufficient gas, under the pressure of the gas, the piston 16 is driven to move forward to open the gas outlet 31, so as to achieve the purpose of high thrust impact, and meanwhile, the piston 16 drives the second transmission rod 15 to rotate, so that the stopper part 121 of the third connecting rod 12 is separated from the first transmission rod 14, the valve core 5 is closed, and the valve core 5 drives the ejector rod 6 and the first transmission rod 14 to reset; finally, after completion of one impact, the piston 16 is reset backwards so that the second transmission rod 15 and the third connecting rod 12 are reset to meet the next firing.

Example two:

as shown in fig. 10 to 20, the air valve linkage of the present embodiment includes a housing 22, and a plunger assembly 23 and a trigger 24 are mounted on the housing 22. The driving piece of this embodiment is the gas cylinder storehouse cover 20 of threaded connection on aerifing sleeve 2, and gas cylinder 1 is installed spring 21 between the afterbody of gas cylinder 1 and gas cylinder storehouse cover 20 in gas cylinder storehouse cover 20. A safety buckle 29 is arranged between the gas cylinder bin cover 20 and the shell 22, when the safety buckle 29 is not pulled out, the gas cylinder bin cover 20 cannot be screwed in, the bottle opening keeps sealed, and after the safety buckle 29 is pulled out, the gas cylinder bin cover 20 is screwed in to drive the gas cylinder 1 to move upwards, so that the thimble 4 can puncture the bottle opening.

The plunger assembly 23 of the present embodiment includes a depressing block 231, a pressing spring 232, and a movable head 233. The lower pressing block 231 is exposed out of the casing 22, and the pressing spring 232 is installed between the lower pressing block 231 and the casing 22 to keep the lower pressing block 231 moving outwards. The inner end of the lower pressing block 231 abuts against the outer end of the movable head 233, the movable head 233 is rotatably arranged on the shell 22, and the inner end of the movable head 233 abuts against the outer end of the ejector rod 6.

In the present embodiment, an air discharge passage 25 is provided in the housing 22, a push rod 26 is provided in the air discharge passage 25, and a striker 27 and a striker return spring 28 are provided in the thrust cylinder 3.

firstly, as shown in fig. 12 and 13, the safety buckle 29 is pulled out, the cylinder case cover 20 is screwed, the thimble 4 is inserted into the cylinder opening, and the inflation sleeve 2 is filled with gas; next, as shown in fig. 14 and 15, the trigger 24 is pressed, the trigger 24 acts on the rod assembly 23, the rod assembly 23 presses down the push rod 6, the valve core 5 is opened, and the high-pressure gas in the inflation sleeve 2 enters the propulsion cylinder 3 through the connecting gas valve 8; as shown in fig. 16 and 17, the striker 27 in the thrust cylinder 3 is struck by the gas in the thrust cylinder 3 to extend outward, completing a stroke, at which the striker return spring 28 is compressed; at the same time, as shown in fig. 18, the high-pressure gas in the propulsion cylinder 3 enters the exhaust passage 25, the push rod 27 is pushed to move towards the strut assembly 23, the movable head 233 rotates under the pushing force of the push rod 26, and the push rod 6 and the valve core 5 move upwards synchronously, and the valve core 5 is closed. Next, as shown in fig. 19, the gas pressure in the thrust cylinder 3 is reduced, and the striker 27 is retracted to the initial position by the striker return spring 28; finally, as shown in FIG. 20, the trigger 24 is reset and the plunger assembly 23 is reset to meet the next firing.

Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.

Claims

1. A linkage device of a gas valve is characterized by comprising:

a gas cylinder (1);

the gas cylinder (1) is provided with a gas cylinder opening, a gas filling sleeve (2) is arranged at the gas cylinder opening of the gas cylinder (1), and the gas filling sleeve (2) is provided with a gas outlet;

the driving piece is used for impacting the gas cylinder (1) to enable the gas cylinder to release gas into the inflating sleeve (2);

the propelling cylinder (3) is provided with an air inlet and an air outlet, the air inlet is communicated with the air outlet of the inflating sleeve (2), and the air outlet is communicated with the outside;

the thimble (4) is arranged in the inflation sleeve (2), the needle head of the thimble (4) faces the bottle opening of the gas bottle (1), and under the action of the driving piece, the gas bottle (1) and the thimble (4) move relatively to each other to enable the bottle opening to be punctured by the thimble (4), so that the gas in the gas bottle (1) enters the inflation sleeve (2);

the valve core (5) is arranged in the inflating sleeve (2), gas in the inflating sleeve (2) enters the propelling cylinder (3) through the exhaust port in the opening state of the valve core (5), and the inflating sleeve (2) is isolated from the propelling cylinder (3) in the closing state of the valve core (5); and

ejector pin (6), the inner end is located and is aerifyd in sleeve (2) and offset with valve inside (5), and ejector pin (6) drive valve inside (5) under the exogenic action and inwards move and open valve inside (5), along with impel the gas in jar (3) and outwards discharge through the gas outlet, valve inside (5) and ejector pin (6) can outwards reset and close valve inside (5).

2. A linkage for a gas valve according to claim 1, characterised in that: the valve core spring (7) is installed in the inflating sleeve (2), the valve core spring (7) is in an energy storage state to enable the valve core (5) to keep a closing trend when the valve core (5) is opened, and the valve core spring (7) can drive the valve core (5) and the ejector rod (6) to synchronously reset outwards to close the valve core (5) when external force acting on the ejector rod (6) disappears.

3. A linkage for a gas valve according to claim 1, characterised in that: and a connecting air valve (8) is arranged between the exhaust port of the inflating sleeve (2) and the air inlet of the propelling cylinder (3).

4. A linkage of a gas valve according to any one of claims 1 to 3, characterized in that: the gas cylinder (1) is arranged in a shell (10), the driving piece comprises a key (91), a first connecting rod (92), a key spring (93), a release trigger (94), a fastening base (95), a release spring (96), a pressing block (97), a release trigger spring (98) and a pull rod (99), the key (91) is rotatably arranged outside the shell (10), the fastening base (95) is arranged at the rear end of the shell (10), the pressing block (97), the release spring (96) and the pull rod (99) are arranged in the shell (10), the release trigger (94) is rotatably arranged on the shell (10), the first connecting rod (92) is arranged between the key (91) and the first end of the release trigger (94), the second end of the release trigger (94) is used for abutting against the pressing block (97), and the front end of the pull rod (99) abuts against the tail of the gas cylinder (1), the pressure block (97) is movably arranged on the pull rod (99), the release spring (96) is arranged between the fastening base (95) and the pressure block (97), the release trigger (94) is pressed down by the first connecting rod (92) to be separated from the pressure block (97) to enable the pressure block (97) to move forwards under the action of the release spring (96) under the state that the key (91) is pressed down, so that the gas cylinder (1) is pushed to move towards the thimble (4) to open the bottle mouth, the key (91) resets under the action of the key spring (93) under the loosening state of the key (91), and the release trigger (94) resets under the action of the release trigger spring (98).

5. A linkage of a gas valve according to claim 4, characterized in that: the push button (91) is abutted against the middle part of the first connecting rod (92), the first end of the first connecting rod (92) is abutted against the first end of the release trigger (94), the second end of the first connecting rod (92) is connected with the first end of the second connecting rod (11), the second end of the second connecting rod (11) is connected with the first end of the third connecting rod (12), the push button further comprises a reset elastic sheet (13), a first transmission rod (14) and a second transmission rod (15), the first transmission rod (14) and the second transmission rod (15) are rotating parts, the second end of the third connecting rod (12) is provided with a stopping part (121) abutted against the first end of the first transmission rod (14), the second end of the first transmission rod (14) is abutted against the outer end of the push rod (6), and the push button (91) is linked through the first connecting rod (92), the second connecting rod (11) and the third connecting rod (12) in the pressing process, the second end of the first transmission rod (14) is driven to act on the ejector rod (6) to enable the ejector rod to move inwards, the valve core (5) is opened, the reset spring plate (13) and the second transmission rod (15) are arranged on two sides of the second end of the third connecting rod (12), a piston (16) and a piston reset spring (17) are arranged in the pushing cylinder (3), when enough gas in the inflating sleeve (2) enters the pushing cylinder (3), the gas in the pushing cylinder (3) drives the piston (16) to move to open a gas outlet, the piston reset spring (17) is in an energy storage state, the piston (16) moves and drives the second transmission rod (15) to rotate to enable a stopping part (121) of the third connecting rod (12) to be separated from the first transmission rod (14), the valve core (5) is closed and drives the ejector rod (6) and the first transmission rod (14) to reset, and the piston return spring (17) can drive the piston (16) to return along with the release of the gas in the propelling cylinder (3), and the third connecting rod (12) and the second transmission rod (15) return under the action of the return elastic sheet (13) along with the disappearance of the acting force of the piston (16) on the second transmission rod (15).

6. A linkage of a gas valve according to claim 4, characterized in that: the thimble (4) is fixed in the inflatable sleeve (2).

7. A linkage of a gas valve according to any one of claims 1 to 3, characterized in that: the driving piece is a gas cylinder bin cover (20) in threaded connection with the inflating sleeve (2), the gas cylinder (1) is arranged in the gas cylinder bin cover (20), and a spring (21) is arranged between the tail of the gas cylinder (1) and the gas cylinder bin cover (20).

8. The linkage of a gas valve according to claim 7, characterized in that: the push rod type hydraulic lifting device is characterized by further comprising a shell (22), wherein a pressure rod assembly (23) and an excitation trigger (24) are installed on the shell (22), the excitation trigger (24) can act on the pressure rod assembly (23), and the pressure rod assembly (23) can generate the external force on the push rod (6).

9. A linkage for a gas valve according to claim 8, characterised in that: an exhaust channel (25) is formed in the shell (22), a push rod (26) is installed in the exhaust channel (25), a firing pin (27) is installed in the propulsion cylinder (3), and under the condition that the firing pin (27) is impacted by gas in the propulsion cylinder (3) and extends outwards, airflow in the propulsion cylinder (3) enters the exhaust channel (25) and drives the push rod (26) to act on the pressure rod assembly (23), so that the ejector rod (6) is reset, and the valve core (5) is closed accordingly.

10. A linkage for a gas valve according to claim 9, characterised in that: the pressure bar assembly (23) comprises a lower pressure block (231), a pressure spring (232) and a movable head (233), the lower pressure block (231) is exposed out of the shell (22), the pressure spring (232) is installed between the lower pressure block (231) and the shell (22) to enable the lower pressure block (231) to keep a trend of moving outwards, the inner end of the lower pressure block (231) abuts against the outer end of the movable head (233), the movable head (233) is rotatably arranged on the shell (22), the inner end of the movable head (233) abuts against the outer end of the ejector rod (6), and the movable head (233) rotates under the action of the push rod (26) to enable the ejector rod (6) to reset.