CN218953526U - Firing pin type valve and gas booster pump with same - Google Patents

Abstract

The utility model discloses a firing pin type valve, which comprises a valve sleeve and a pressing plate assembled on the valve sleeve, wherein a valve core channel is arranged in the axial direction of the valve sleeve, a through hole communicated with the valve core channel is arranged in the radial direction of the valve sleeve, a firing pin for sealing and communicating the valve core channel is movably positioned in the valve core channel, and a spring is arranged between the firing pin and the pressing plate. A gas booster pump comprising the striker valve described above. The utility model provides a firing pin type valve and a gas booster pump provided with the firing pin type valve, wherein the firing pin type valve is convenient to install, good in sealing performance, good in air tightness and capable of guaranteeing the boosting effect when being applied to the gas booster pump.

Description

Firing pin type valve and gas booster pump with same

Technical Field

The utility model relates to the technical field of air pressurization, in particular to a firing pin type valve and a gas booster pump with the firing pin type valve.

Background

The pneumatic booster pump is used for inputting compressed air into the pneumatic booster pump, driving the piston and the piston rod to move simultaneously, obtaining high-pressure gas with multiple times under the compression of the piston, and being applicable to compressed air and other gases, and the output air pressure can be regulated steplessly through the driving air pressure. In the field of industrial applications, compressed air is generally supplied by air compressors. However, in many applications, air compressors used in production sites often fail to meet the needs of a particular high pressure application. Therefore, a pneumatic booster pump is required to achieve the supercharging purpose, meeting the requirements of specific high-pressure applications. Typically, high pressure gas is often stored in a gas reservoir. In order to reach the preset gas storage pressure, when the air compressor is used for gas transmission, the power of the air compressor is insufficient, so that the efficiency of gas filling and storage is low.

In the prior pneumatic booster pump, a one-way conducting air valve is arranged at the end part of a piston cavity of the booster pump, and when the air valve is conducted, external high-pressure air flow is input to squeeze the piston to drive the piston to move compressed air so as to obtain high-pressure air. The current air valve structure is that a groove is formed at the end part of a screw rod of a nut and used for accommodating a firing pin, a spring is arranged between the firing pin and the nut, and the periphery of the firing pin is sealed by a copper gasket. The existing pneumatic booster pump has poor air tightness in the process of using an air valve, so that the power of a driving piston is low, and the supercharging effect is influenced.

Disclosure of Invention

The utility model aims to provide a firing pin type valve and a gas booster pump provided with the firing pin type valve, and the firing pin type valve is convenient to install, good in sealing performance, good in air tightness and capable of guaranteeing a boosting effect when being applied to the gas booster pump.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the firing pin type valve comprises a valve sleeve and a pressing plate assembled on the valve sleeve, wherein a valve core channel is axially arranged on the valve sleeve, a firing pin for sealing and conducting the valve core channel is movably positioned in the valve core channel, a spring is arranged between the firing pin and the pressing plate, and a through hole for conducting the valve core channel is radially arranged on the valve sleeve.

By adopting the technical scheme, the firing pin moves in the valve core channel and is used for opening or closing the valve core channel, when the valve core channel is in an opening state, the through hole is communicated with the valve core channel, and air flow can be conducted in the valve core channel. The firing pin type valve can be applied to a gas booster pump and used for pushing a piston to move and boost pressure when the air flow is conducted, and has the characteristics of good air tightness and convenience in installation, and the boosting effect of the gas booster pump is guaranteed.

According to the striker type valve, the end part of the valve sleeve is provided with the groove, the groove is communicated with the valve core channel, the inner side of the pressing plate is provided with the boss, the boss can be assembled in the groove, and the through hole is formed in the side wall of the groove. The boss and the groove can be connected through threads, so that the pressing plate and the valve sleeve are firmly connected, the valve core channel is communicated with the groove, the through hole is communicated with the side wall of the groove, when the valve core channel is communicated, air flow can flow from the through hole to the groove and flow from the groove to the valve core channel, the piston is driven to move when the firing pin type valve is arranged in the air booster pump, and air flow can reversely flow out for exhausting in the reciprocating motion of the piston.

In the striker valve, the sealing ring is arranged on the outer wall of the boss. The pressing plate is connected with the valve sleeve, and when the pressing plate is installed on the end face of the pressurizing cylinder, the sealing performance of the valve is improved through sealing rings, no air leakage exists, and the pressurizing effect is guaranteed.

The firing pin type valve comprises the ejector pin and the head, wherein a sealing gasket is integrally formed between the head and the ejector pin, the ejector pin can move in the valve core channel, and the sealing gasket is used for sealing the valve core channel. When the spring pushes the firing pin against the inner end surface of the groove, the spring pushes the head part to enable the sealing gasket to be tightly attached to the edge of the valve core channel, so that the valve core channel is sealed.

In the striker type valve, the accommodating groove is formed in the boss, and the head part can move in the accommodating groove. The striker moves in the valve core channel, so that the head can reciprocate towards the direction of the pressing plate, and when the head moves towards the accommodating groove, the spring is compressed to drive the sealing gasket to be far away from the inner end surface of the groove, and the valve core channel is opened; when the head is pushed to move towards the valve core channel to reset under the action of the elastic force of the spring, the head and the sealing gasket are tightly attached to the port part of the valve core channel, and the valve core channel is sealed.

According to the striker type valve, the outer side wall of the valve sleeve is provided with the sealing grooves. The number of the sealing grooves is not less than one, and the sealing performance of the periphery of the valve sleeve is improved when the firing pin type valve is arranged on the gas booster pump.

The other technical scheme provided by the utility model is as follows: the utility model provides a gas booster pump, including left cylinder, right cylinder and locate the middle part end cover between left cylinder and the right cylinder, be equipped with left piston and right piston in left cylinder and the right cylinder respectively, left piston and right piston are connected through the piston rod, the outer terminal surface of left cylinder and right cylinder is equipped with the firing pin formula valve of any one of the above-mentioned technical scheme, be equipped with the piece of admitting air on the left cylinder, the inside cavity of left cylinder and right cylinder is linked together respectively to the piece of admitting air, the middle part end cover is equipped with air current passageway, first communication hole and second intercommunicating pore, first communication hole intercommunication left cylinder and air current passageway, second intercommunicating pore intercommunication right cylinder and air current passageway, the air current passageway of middle part end cover is connected through the breather pipe with the piece of admitting air.

The gas booster pump is characterized in that a gas inlet block is used for inputting high-pressure gas, a part of high-pressure gas flow formed by the high-pressure gas flows into a middle end cover through a vent pipe, a part of high-pressure gas flow enters a left cylinder barrel through a gas flow channel and a first communication hole, a left piston is pushed to be far away from the middle end cover, and the other part of high-pressure gas flow flows out of the gas flow channel for storing or driving a pneumatic component. Meanwhile, the other part of the high-pressure gas input by the air inlet block is communicated into the left cylinder barrel, when the left piston is pushed to the outer end of the left cylinder barrel by the air flow, the firing pin of the firing pin type valve is extruded, the valve is opened, at the moment, the air flow enters the left cylinder barrel to push the piston to move towards the direction close to the middle end cover, meanwhile, the high-pressure air flow filled in the piston and the middle end cover is compressed and pressurized again, and finally, the air flow enters the air flow channel through the first communication hole and is output, and the pressurization is obtained. Similarly, when the high-pressure air flow enters the right cylinder barrel from the second communication hole, the right piston is pushed to be far away from the middle end cover, the firing pin is extruded when the right piston moves to the end part of the right cylinder barrel, the valve is opened, the high-pressure air flow in the air inlet block enters the right cylinder barrel from the firing pin valve, the right piston is pushed to move towards the middle end cover, the air flow between the right piston and the middle end cover is compressed, and the pressurized air flow is output from the air flow channel. The pistons of the left piston and the right piston can be interlocked with each other in a reciprocating manner, when the left piston is close to the middle end cover, the right piston is far away from the middle end cover, and the airflows entering the left cylinder barrel and the right cylinder barrel are continuously pressurized through the circulating reciprocating movement of the left piston and the right piston, so that a good pressurizing effect is achieved.

The outer end of the left cylinder barrel is provided with a left end cover, the outer end of the right cylinder barrel is provided with a right end cover, and the firing pin type valve is respectively arranged on the left end cover and the right end cover. The end cover is used for sealing the cylinder barrel, and is assembled in a detachable mode, so that the piston and the piston rod are convenient to install.

The gas booster pump is characterized in that a pneumatic control valve is arranged on the left end cover, the air inlet block is connected with the pneumatic control valve through an air inlet pipe, the pneumatic control valve is connected with the right end cover through a main air pipe and a control air pipe, and the left end cover is communicated with the pneumatic control valve. The pneumatic control valve is used for controlling high-pressure air flow to flow into the left cylinder barrel or the right cylinder barrel, so that the piston is driven to reciprocate, compress and boost.

The right end cover of the gas booster pump is provided with a gas distribution block communicated with the firing pin type valve, and the gas distribution block is connected with the main gas pipe and the control gas pipe. The air distribution block is used for distributing high-pressure air flow of the main air pipe into the right cylinder barrel, and air flow in the right cylinder barrel is discharged from the control air pipe.

The beneficial effects obtained by the utility model are as follows: through the structural design of firing pin formula valve, play the effect that the gas tightness is good, be convenient for install on the booster pump, cover in the case passageway through sealed pad, when the clamp plate is assembled on the valve pocket, seal through the sealing washer, further promote sealing performance. The gas booster pump with the firing pin type valve has the advantages of good sealing and good boosting effect, and meets the preset boosting effect.

Drawings

FIG. 1 is a schematic cross-sectional view of a striker valve according to an embodiment of the present utility model;

FIG. 2 is a schematic illustration of an exploded view of a striker valve according to an embodiment of the present utility model;

FIG. 3 is a schematic perspective view of a gas booster pump according to an embodiment of the present utility model;

FIG. 4 is a schematic side view of a middle end cap of a gas booster pump according to an embodiment of the present utility model;

FIG. 5 is a schematic cross-sectional view of one side of the middle end cap of FIG. 4;

FIG. 6 is a schematic view of the cross-sectional structure of the middle end cap of FIG. 4 in the opposite direction;

FIG. 7 is a sectional view showing a line connection structure of a gas booster pump according to an embodiment of the present utility model in one of the motion states;

FIG. 8 is a schematic diagram of a circuit connection structure of a gas booster pump in another motion state according to an embodiment of the present utility model;

fig. 9 is a block diagram showing a control scheme of the gas booster pump in the embodiment of the present utility model.

Reference numerals illustrate: the valve comprises a firing pin type valve 1a, a valve core channel 10, a valve sleeve 11, a pressing plate 12, a firing pin 13, a spring 14, a through hole 15, a groove 16, a boss 17, a sealing ring 18, a containing groove 19, a sealing groove 111, a push rod 131, a head 132, a sealing pad 133, a left cylinder 21, a right cylinder 22, a middle end cover 23, a piston rod 24, an air inlet block 25, an air pipe 26, a left end cover 27, a right end cover 28, a pneumatic control valve 4a, a left piston 211, a right piston 221, an air flow channel 231, a first communication hole 232, a second communication hole 233, an air inlet pipe 251, a main air pipe 291, a control air pipe 292, an air distribution block 30, an air source 31 and a triple pressurization pump 32.

Detailed Description

The utility model is further described below with reference to the drawings and the detailed description.

Referring to fig. 1 and 2, a striker type valve comprises a valve housing 11 and a pressing plate 12 assembled on the valve housing 11, a valve core channel 10 is axially arranged on the valve housing 11, a striker 13 for sealing and conducting the valve core channel 10 is movably positioned in the valve core channel 10, a spring 14 is arranged between the striker 13 and the pressing plate 12, and a through hole 15 for conducting the valve core channel 10 is radially arranged on the valve housing 11.

The end of the valve sleeve 11 is provided with a groove 16, the groove 16 is communicated with the valve core channel 10, the inner side of the pressing plate 12 is provided with a boss 17, the boss 17 can be assembled in the groove 16, and the through hole 15 is formed on the side wall of the groove 16.

The outer wall of the boss 17 is provided with a sealing ring 18. The sealing performance of the assembled valve is guaranteed through the sealing ring 18.

The striker 13 includes a plunger 131 and a head 132, a gasket 133 is integrally formed between the head 132 and the plunger 131, the plunger 131 is movable in the spool passage 10, and the gasket 133 is used for sealing the spool passage 10. The gasket 133 is an integrally formed structure protruding from the outer periphery of the head 132, and seals the spool passage 10 when pushed down on the spool passage 10 by the spring 14.

The boss 17 is provided with a receiving groove 19 therein, and the head 132 is movable in the receiving groove 19.

The outer side wall of the valve housing 11 is provided with a number of sealing grooves 111. When the valve is assembled, the sealing groove 111 on the outer side wall of the valve housing 11 is used for installing sealing devices such as O-rings and the like, so that the sealing of the valve and equipment using the valve is realized.

Referring to fig. 1 to 9, a gas booster pump includes a left cylinder 21, a right cylinder 22, and a middle cap 23 provided between the left cylinder 21 and the right cylinder 22, wherein the left cylinder 21 and the right cylinder 22 are respectively provided with a left piston 211 and a right piston 221, the left piston 211 and the right piston 221 are connected by a piston rod 24, the outer end surfaces of the left cylinder 21 and the right cylinder 22 are provided with a striker type valve 1a described in the above embodiment, the left cylinder 21 is provided with an air inlet block 25, the air inlet block 25 is respectively communicated with the inner chambers of the left cylinder 21 and the right cylinder 22, the middle cap 23 is provided with an air flow channel 231, a first communication hole 232 and a second communication hole 233, the first communication hole 232 is communicated with the left cylinder 21 and the air flow channel 231, the second communication hole 233 is communicated with the right cylinder 22, and the air flow channel 231 of the middle cap 23 is connected with the air inlet block 25 by a vent pipe 26.

The outer end of the left cylinder 21 is provided with a left end cover 27, the outer end of the right cylinder 22 is provided with a right end cover 28, and the striker type valve 1a is respectively arranged on the left end cover 27 and the right end cover 28.

The left end cover 27 is provided with a pneumatic control valve 4a, the air inlet block 25 is connected with the pneumatic control valve 4a through an air inlet pipe 251, the pneumatic control valve 4a is connected with the right end cover 28 through a main air pipe 291 and a control air pipe 292, and the left end cover 27 is communicated with the pneumatic control valve 4 a.

The right cap 28 is provided with a gas block 30 communicating with the striker valve 1a, and the gas block 30 is connected to the main gas pipe 291 and the control gas pipe 292.

Referring to fig. 7, when high pressure gas enters from the air inlet block 25, part of the high pressure gas enters the air flow channel 231 of the middle end cover 23 through the air pipe 26 and is output outwards, the first communication hole 232 provided in the air flow channel 231 guides part of the high pressure gas flow to the inner chamber of the left cylinder 21, and the high pressure gas flow pushes the left piston 211 to move towards the left end cover 27. The pneumatic control valve 4a is opened, compressed gas enters the striker type valve 1a from the air passage communicated with the left end cover 27 by the pneumatic control valve 4a under the distribution of the pneumatic control valve 4a, at the moment, high-pressure air flow enters the valve from the through hole 15 into the inner cavity of the left cylinder 21 through the valve core channel 10 because the left piston 27 pushes the striker 13 to open, the high-pressure air flow pushes the left piston 27 to move towards the middle end cover 23, and the high-pressure air flow filled between the left piston 211 and the middle end cover 23 is compressed in the piston movement process. When the left piston 211 moves to be in contact with the end face of the middle end cap 23, the high-pressure air flow therebetween is output from the air flow passage 231, which enters the middle end cap 23 from the first communication hole 232, and the initial air flow flowing in the air flow passage 231 in cooperation with the first communication hole has a supercharging effect.

Referring to fig. 8, when high pressure gas enters from the air inlet block 25, part of the high pressure gas enters the air flow channel 231 of the middle end cover 23 through the air pipe 26 and is output outwards, the first communication hole 232 provided in the air flow channel 231 guides part of the high pressure gas flow to the inner chamber of the left cylinder 21, and the high pressure gas flow pushes the left piston 211 to move towards the left end cover 27. Since the left piston 27 pushes the striker of the striker type valve 1a, the striker type valve 1a thereof is opened; the high pressure air flow is then distributed by the pneumatic control valve 4a, and the high pressure air flow enters the inner cavity of the left cylinder 21 through the striker type valve 1a, and pushes the left piston 27 to move towards the middle end cover 23, and during the piston movement, the high pressure air flow filled between the left piston 211 and the middle end cover 23 is compressed. When the left piston 211 moves to be in contact with the end face of the middle end cap 23, the high-pressure air flow therebetween is output from the air flow passage 231, which enters the middle end cap 23 from the first communication hole 232, and the initial air flow flowing in the air flow passage 231 in cooperation with the first communication hole has a supercharging effect.

Referring to fig. 9, the air flow generated by the air source 31 is primarily pressurized by the triple booster pump 32, and is communicated with the air-operated control valve 4a through a pipe, and the air inlet pipe 251 in the air inlet block 25 is communicated with the air-operated control valve 4 a. The high-pressure air flow entering the air inlet block 25 enters the air flow channel 231 of the middle end cover 23 from the air pipe 26 to be output and pushes the left and right pistons 27 and 28 to be partially stored in the chambers, so that the purpose of pressurization is achieved through reciprocating compression of the pistons after the pneumatic control valve 4a is opened.

In summary, the present utility model has been described and illustrated in the specification, and has been made into practical samples and tested for multiple uses, and from the effect of the use test, it can be proved that the present utility model can achieve its intended purpose, and the practical value is undoubted. The above embodiments are only for illustrating the present utility model, and are not to be construed as limiting the utility model in any way, and any person having ordinary skill in the art will realize that equivalent embodiments of partial changes and modifications can be made by using the disclosed technology without departing from the scope of the technical features of the present utility model.

Claims (10)

1. A striker valve, characterized by: the valve sleeve comprises a valve sleeve (11) and a pressing plate (12) assembled on the valve sleeve (11), a valve core channel (10) is axially arranged on the valve sleeve (11), a firing pin (13) for sealing and conducting the valve core channel (10) is movably positioned in the valve core channel (10), a spring (14) is arranged between the firing pin (13) and the pressing plate (12), and a through hole (15) for conducting the valve core channel (10) is radially arranged on the valve sleeve (11).

2. The firing pin valve of claim 1, wherein: the end of the valve sleeve (11) is provided with a groove (16), the groove (16) is communicated with the valve core channel (10), the inner side of the pressing plate (12) is provided with a boss (17), the boss (17) can be assembled in the groove (16), and the through hole (15) is formed in the side wall of the groove (16).

3. The striker valve of claim 2, wherein: the outer wall of the boss (17) is provided with a sealing ring (18).

4. A striker valve according to claim 3, wherein: the firing pin (13) comprises a top rod (131) and a head (132), a sealing gasket (133) is integrally formed between the head (132) and the top rod (131), the top rod (131) can move in the valve core channel (10), and the sealing gasket (133) is used for sealing the valve core channel (10).

5. The firing pin valve of claim 4, wherein: the boss (17) is provided with a containing groove (19), and the head (132) can move in the containing groove (19).

6. The firing pin valve of claim 1, wherein: the outer side wall of the valve sleeve (11) is provided with a plurality of sealing grooves (111).

7. A gas booster pump, characterized in that: including left cylinder (21), right side cylinder (22) and locate middle part end cover (23) between left cylinder (21) and right cylinder (22), be equipped with left piston (211) and right piston (221) in left cylinder (21) and right cylinder (22) respectively, left piston (211) and right piston (221) are connected through piston rod (24), the outer terminal surface of left cylinder (21) and right cylinder (22) is equipped with firing pin formula valve (1 a) of any one of claims 1-6 above, be equipped with air inlet block (25) on left cylinder (21), air inlet block (25) communicate the inside cavity of left cylinder (21) and right cylinder (22) respectively, middle part end cover (23) are equipped with air current passageway (231), first communication hole (232) and second communication hole (233), first communication hole (232) intercommunication left cylinder (21) and air current passageway (231), second communication hole (233) intercommunication right cylinder (22) and air current passageway (231), air current passageway (231) and air inlet block (25) are connected through breather pipe (26).

8. The gas booster pump of claim 7 wherein: the outer end of the left cylinder barrel (21) is provided with a left end cover (27), the outer end of the right cylinder barrel (22) is provided with a right end cover (28), and the firing pin type valve (1 a) is respectively arranged on the left end cover (27) and the right end cover (28).

9. The gas booster pump of claim 8 wherein: the left end cover (27) is provided with a pneumatic control valve (4 a), the air inlet block (25) is connected with the pneumatic control valve (4 a) through an air inlet pipe (251), the pneumatic control valve (4 a) is connected with the right end cover (28) through a main air pipe (291) and a control air pipe (292), and the left end cover (27) is communicated with the pneumatic control valve (4 a).

10. The gas booster pump of claim 9 wherein: a gas distribution block (30) communicated with the firing pin type valve (1 a) is arranged on the right end cover (28), and the gas distribution block (30) is connected with a main gas pipe (291) and a control gas pipe (292).

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