CN216202473U

CN216202473U - High-pressure hydrogen filling system

Info

Publication number: CN216202473U
Application number: CN202122588271.1U
Authority: CN
Inventors: 胡洁; 张立
Original assignee: Wisco Gases Co ltd
Current assignee: Wisco Gases Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-05
Anticipated expiration: 2031-10-27

Abstract

The utility model belongs to the technical field of gas filling, and discloses a high-pressure hydrogen filling system which comprises a high-pressure hydrogen filling butt joint structure, wherein the high-pressure hydrogen filling butt joint structure comprises an automatic locking air nozzle, a butt joint main body and a pressure release valve, the lower end of the rear part of the butt joint main body is fixedly arranged with the upper end of the automatic locking air nozzle, the side end of the pressure release valve is fixedly connected with the outer end of the automatic locking air nozzle, the automatic locking air nozzle comprises a squeezing pipe, a sealing shell and a piston, the squeezing pipe penetrates through the lower side of the piston, the outer end of the squeezing pipe is fixedly connected with the inner end of the piston, the lower end of the piston is arranged on the inner wall of the sealing shell in a sliding and sealing mode, the butt joint main body comprises a gas receiving block, a binding cover and a gas receiving pipe, and the gas receiving block is arranged at the inner end of the binding cover in an inserting mode. The inflatable lock can automatically lock when inflated, and better meets the use requirement.

Description

High-pressure hydrogen filling system

Technical Field

The utility model belongs to the technical field of gas filling, and particularly relates to a high-pressure hydrogen filling system.

Background

In industrial and chemical production activities, the participation of some gases is often required, and high-pressure gas cylinders are produced for convenient transportation and use, and can contain as much gas as possible under a relatively small volume, particularly high-purity rare gas.

The air inflation system is characterized in that the air inflation system is provided with a butt joint device, the butt joint device is required to be combined, the butt joint device is required to be in butt joint during operation, then the butt joint device and the air inflation system are locked, so that the air inflation system is prevented from being separated from the air inflation system, locking work is required to be additionally carried out in the operation process, and the operation process is further caused to be more troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the operation process is troublesome in the prior art, and provides a high-pressure hydrogen filling system.

In order to achieve the purpose, the utility model provides the following technical scheme: the high-pressure hydrogen filling system comprises a high-pressure hydrogen filling butt joint structure, wherein the high-pressure hydrogen filling butt joint structure comprises an automatic locking air nozzle, a butt joint main body and a pressure release valve, the lower end of the rear part of the butt joint main body is fixedly installed with the upper end of the automatic locking air nozzle, and the side end of the pressure release valve is fixedly connected with the outer end of the automatic locking air nozzle; the automatic locking air tap comprises an extrusion pipe, a sealing shell and a piston, the extrusion pipe penetrates through the lower side of the piston, and the outer end of the extrusion pipe is fixedly connected with the inner end of the piston; the lower end of the piston is installed on the inner wall of the sealing shell in a sliding and sealing mode.

Preferably, the butt joint main body comprises an air receiving block, a binding cover and an air receiving pipe, the air receiving block is inserted and installed at the inner end of the binding cover, the extrusion pipe penetrates through the binding cover and is extruded with the air receiving block together, and the inner space of the air receiving pipe is communicated and connected with the inner space of the air receiving block; the front ends of the air receiving blocks are fixedly connected together through air receiving pipes, and the air receiving blocks are communicated with the inner space of the air receiving pipes.

Preferably, the docking body further comprises a second magnet; the second magnet is fixedly connected to the inner wall of the rear end of the binding cover.

Preferably, the docking body further comprises a first magnet, and the first magnet is fixed to the air receiving block.

Preferably, the docking body further comprises a guide hood; the rear end fixed connection of guide cover is in the constraint cover front end.

Preferably, the pressure relief valve comprises a button, a sliding rod and a sealing plug, and the side end of the button is fixedly connected to the side end of the sliding rod; the sliding rod penetrates through the inner side of the sealing shell in a sliding mode, and the side end of the sealing plug is fixedly connected with the side end, back to the button, of the sliding rod; the outer wall of the sealing plug and the sealing shell are sealed and extruded together.

Preferably, the pressure relief valve further comprises a guide seat, and the side end of the guide seat is fixedly connected to the outer end of the sealing shell; the sliding rod penetrates through the guide seat in a sliding mode.

Preferably, the pressure relief valve further comprises a spring, and the spring is sleeved outside the sliding rod; one end of the spring is fixedly connected with the outer end of the button, and the end of the spring, which is back to the button, is fixedly connected with the outer end of the guide seat.

Compared with the prior art, the utility model has the beneficial effects that:

1. the piston is driven to move upwards through air pressure to enable the extrusion pipe and the target to be extruded and fixed together, so that the extrusion pipe and the target are extruded and sealed together automatically, operation steps of a user are reduced, and the use is facilitated.

2. The air receiving block is directly inserted into the binding cover for inflation, and the air receiving block is automatically locked by the automatic locking air nozzle, so that the butt joint of the air receiving block and the binding cover is facilitated; the insertion area is increased through the guide cover, so that a user can conveniently insert the air receiving block into the binding cover manually; high-pressure gas is remained in the sealing shell by pressing the button to discharge, so that decompression is realized, the extrusion pipe is loosened to form the gas receiving block by decompression, and the gas receiving block is convenient to pull out.

Drawings

FIG. 1 is a schematic view of a main structure according to the present invention;

FIG. 2 is a schematic view of a cutting structure of the automatic locking nozzle of the present invention;

FIG. 3 is a schematic view of a disassembled structure of the docking body according to the present invention;

fig. 4 is a schematic structural diagram of the pressure relief valve according to the present invention.

In the figure: 1. a high-pressure hydrogen filling butt joint structure; 2. automatically locking the air tap; 3. butting the main bodies; 4. a pressure relief valve; 5. extruding the tube; 6. sealing the shell; 7. a piston; 8. a gas receiving block; 9. a binding cover; 10. a guide cover; 11. a gas receiving pipe; 12. a button; 13. a slide bar; 14. a guide seat; 15. a sealing plug; 16. a spring; 17. a first magnet; 18. a second magnet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, the high-pressure hydrogen filling system comprises a high-pressure hydrogen filling butt joint structure 1, wherein the high-pressure hydrogen filling butt joint structure 1 comprises an automatic locking air faucet 2, a butt joint main body 3 and a pressure release valve 4, the lower end of the rear part of the butt joint main body 3 is fixedly installed with the upper end of the automatic locking air faucet 2, and the side end of the pressure release valve 4 is fixedly connected with the outer end of the automatic locking air faucet 2; the automatic locking air tap 2 comprises an extrusion pipe 5, a sealing shell 6 and a piston 7, wherein the extrusion pipe 5 penetrates to the lower side of the piston 7, and the outer end of the extrusion pipe 5 is fixedly connected with the inner end of the piston 7; when the target is inflated through the sealing shell 6, air pressure acts on the lower part of the piston 7, so that the piston 7 drives the extrusion pipe 5 to move upwards to compress the target and inflate the target; the lower end of the piston 7 is arranged on the inner wall of the sealing shell 6 in a sliding and sealing way; since the pressure area of the lower part of the piston 7 is far larger than the ventilation area of the extrusion tube 5, the air pressure can drive the piston 7 to slide upwards.

Referring to fig. 3, the butt joint main body 3 comprises an air receiving block 8, a binding cover 9 and an air receiving pipe 11, wherein the air receiving block 8 is inserted and installed at the inner end of the binding cover 9, the extrusion pipe 5 penetrates through the binding cover 9 and is extruded with the air receiving block 8, and the inner space of the air receiving pipe 11 is communicated with the inner space of the air receiving block 8; the lower part of the air receiving block 8 is butted with the air receiving block 8 in a way of extruding the lower part of the air receiving block by the extruding pipe 5; the front end of the air receiving block 8 is fixedly connected with the air receiving pipe 11, and the air receiving block 8 is communicated with the inner space of the air receiving pipe 11; the inner space of the extrusion pipe 5 and the air receiving pipe 11 is communicated through the air receiving block 8, and the lower end of the binding cover 9 is fixedly connected with the upper end of the sealing shell 6; aerify work through the mode that will connect the inside of gas piece 8 disect insertion to restraint cover 9, simultaneously through automatic locking air cock 2 automatic locking to gas piece 8 to the butt joint work who connects gas piece 8 and restraint cover 9 has been made things convenient for.

The docking body 3 further comprises a second magnet 18; the second magnet 18 is used for attracting the air receiving block 8, so that the rear end of the air receiving block 8 is ensured to be attached to the inner wall of the binding cover 9; the second magnet 18 is fixedly connected to the inner wall of the rear end of the bounding box 9.

The docking body 3 further comprises a first magnet 17; the first magnet 17 and the second magnet 18 attract each other to stabilize the abutting position of the air-receiving block 8 and the binding cover 9.

The docking body 3 further comprises a guide cage 10; introducing the air-receiving block 8 into the inside of the bounding box 9 by using the guide box 10; the rear end of the guide cover 10 is fixedly connected with the front end of the binding cover 9; the insertion area is increased through the guide cover 10, so that a user can conveniently insert the air receiving block 8 into the binding cover 9 manually.

Referring to fig. 4, the pressure relief valve 4 includes a button 12, a sliding rod 13 and a sealing plug 15, wherein a side end of the button 12 is fixedly connected to a side end of the sliding rod 13; pushing the button 12 manually to drive the sliding rod 13 to move; the sliding rod 13 penetrates the inner side of the sealing shell 6 in a sliding manner, and the side end of the sealing plug 15 is fixedly connected with the side end of the sliding rod 13, which is back to the button 12; when the butt joint main body 3 needs to be disassembled, the inflation system is closed, then the press button 12 drives the sealing plug 15 to leave the inner wall of the sealing shell 6, so that high-pressure gas in the sealing shell 6 is discharged outwards through the sliding rod 13, the lower part of the piston 7 loses high pressure, the piston 7 is driven by the gravity of the piston 7 to slide downwards along the sealing shell 6, and the extrusion pipe 5 is loosened from the gas receiving block 8; the outer wall of the sealing plug 15 and the sealing shell 6 are sealed and extruded together; residual high-pressure gas in the sealing shell 6 is discharged by pressing the button 12, so that decompression is realized, the extrusion pipe 5 is loosened from the gas receiving block 8 in a decompression mode, and the gas receiving block 8 is convenient to pull out.

The pressure release valve 4 further comprises a guide seat 14, and the side end of the guide seat 14 is fixedly connected to the outer end of the sealing shell 6; the sliding direction of the slide bar 13 is guided by the guide base 14; the sliding rod 13 slides through the guide seat 14. A gap for gas to flow exists between the sliding rod 13 and the guide seat 14.

The pressure release valve 4 further comprises a spring 16, and the spring 16 is sleeved outside the sliding rod 13; the return force is provided to the button 12 by the spring 16; one end of the spring 16 is fixedly connected with the outer end of the button 12, and the end of the spring 16 opposite to the button 12 is fixedly connected with the outer end of the guide seat 14.

The working principle is as follows: when the target is inflated through the sealing shell 6, air pressure acts on the lower part of the piston 7, so that the piston 7 drives the extrusion pipe 5 to move upwards to compress the target and inflate the target; because the pressure area of the lower part of the piston 7 is far larger than the ventilation area of the extrusion pipe 5, the air pressure can drive the piston 7 to slide upwards; the lower part of the air receiving block 8 is butted with the air receiving block 8 in a way of extruding the lower part of the air receiving block by the extruding pipe 5; the inner space of the extrusion pipe 5 and the air receiving pipe 11 is communicated through the air receiving block 8, and the lower end of the binding cover 9 is fixedly connected with the upper end of the sealing shell 6; the second magnet 18 is used for attracting the air receiving block 8, so that the rear end of the air receiving block 8 is ensured to be attached to the inner wall of the binding cover 9; the abutting position of the stable air receiving block 8 and the binding cover 9 is realized by the way that the first magnet 17 and the second magnet 18 attract each other; introducing the air-receiving block 8 into the inside of the bounding box 9 by using the guide box 10; pushing the button 12 manually to drive the sliding rod 13 to move; when the butt joint main body 3 needs to be disassembled, the inflation system is closed, then the press button 12 drives the sealing plug 15 to leave the inner wall of the sealing shell 6, so that high-pressure gas in the sealing shell 6 is discharged outwards through the sliding rod 13, the lower part of the piston 7 loses high pressure, the piston 7 is driven by the gravity of the piston 7 to slide downwards along the sealing shell 6, and the extrusion pipe 5 is loosened from the gas receiving block 8; the sliding direction of the slide bar 13 is guided by the guide base 14; a restoring force is provided to the button 12 by a spring 16.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. High-pressure hydrogen fills system fills dock structure (1), its characterized in that including high-pressure hydrogen: the high-pressure hydrogen filling butt joint structure (1) comprises an automatic locking air nozzle (2), a butt joint main body (3) and a pressure release valve (4), wherein the lower end of the rear part of the butt joint main body (3) is fixedly installed with the upper end of the automatic locking air nozzle (2), and the side end of the pressure release valve (4) is fixedly connected with the outer end of the automatic locking air nozzle (2); the automatic locking air tap (2) comprises an extrusion pipe (5), a sealing shell (6) and a piston (7), the extrusion pipe (5) penetrates through the lower side of the piston (7), and the outer end of the extrusion pipe (5) is fixedly connected with the inner end of the piston (7); the lower end of the piston (7) is installed on the inner wall of the sealing shell (6) in a sliding and sealing mode.

2. The high-pressure hydrogen filling system according to claim 1, wherein: the butt joint main body (3) comprises an air receiving block (8), a binding cover (9) and an air receiving pipe (11), the air receiving block (8) is installed at the inner end of the binding cover (9) in an inserted mode, the extrusion pipe (5) penetrates through the binding cover (9) and is extruded with the air receiving block (8), and the inner space of the air receiving pipe (11) is communicated with the inner space of the air receiving block (8); the front end of the air receiving block (8) is fixedly connected with an air receiving pipe (11), and the air receiving block (8) is communicated with the inner space of the air receiving pipe (11).

3. The high-pressure hydrogen filling system according to claim 2, wherein: the docking body (3) further comprises a second magnet (18); the second magnet (18) is fixedly connected to the inner wall of the rear end of the bounding cover (9).

4. A high-pressure hydrogen filling system according to claim 3, wherein: the butt joint main body (3) further comprises a first magnet (17), and the first magnet (17) is fixed with the air receiving block (8).

5. The high-pressure hydrogen filling system according to claim 2, wherein: the docking body (3) further comprises a guide hood (10); the rear end of the guide cover (10) is fixedly connected with the front end of the binding cover (9).

6. The high-pressure hydrogen filling system according to claim 2, wherein: the pressure release valve (4) comprises a button (12), a sliding rod (13) and a sealing plug (15), and the side end of the button (12) is fixedly connected to the side end of the sliding rod (13); the sliding rod (13) penetrates through the inner side of the sealing shell (6) in a sliding manner, and the side end of the sealing plug (15) is fixedly connected to the side end, back to the button (12), of the sliding rod (13); the outer wall of the sealing plug (15) is sealed and extruded with the sealing shell (6).

7. The high-pressure hydrogen filling system according to claim 6, wherein: the pressure release valve (4) further comprises a guide seat (14), and the side end of the guide seat (14) is fixedly connected to the outer end of the sealing shell (6); the sliding rod (13) penetrates through the guide seat (14) in a sliding mode.

8. The high-pressure hydrogen filling system according to claim 7, wherein: the pressure release valve (4) further comprises a spring (16), and the spring (16) is sleeved on the outer side of the sliding rod (13); one end of the spring (16) is fixedly connected with the outer end of the button (12), and one end of the spring (16), which is back to the button (12), is fixedly connected with the outer end of the guide seat (14).