CN211117802U

CN211117802U - Main valve of electromagnetic valve

Info

Publication number: CN211117802U
Application number: CN201922141731.9U
Authority: CN
Inventors: 顾成杰; 刘绍军; 林垚; 李冬梅
Original assignee: Shanghai Sunwise Energy System Co ltd
Current assignee: Shanghai Sunwise Energy System Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-07-28
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses a solenoid valve main valve relates to the integrated cylinder valve field of high-pressure hydrogen, and the solenoid valve main valve is installed in the valve body, is equipped with gas passage one and gas passage two in the valve body, and the solenoid valve main valve is located between gas passage one and the gas passage two, and the solenoid valve main valve includes: the sealing valve seat is in threaded connection with the inside of the valve body, and a gas channel III is arranged inside the sealing valve seat; the sealing cover is in threaded connection with one side of the bottom of the valve body and is provided with a spring limiting groove, and a spring is fixed in the spring limiting groove; the sealing valve clack, sealing valve clack setting are between sealed disk seat and sealed lid, and the one end and the sealing valve clack fixed connection that sealed lid was kept away from to the spring, and the one end that sealing valve clack is close to in sealed disk seat is provided with the semicircle ball structure, and the export of semicircle ball structure and gas channel three forms sealedly. The utility model discloses a solenoid valve main valve simple structure, rationally distributed, the leakproofness is good, can guarantee not the outflow of well hydrogen of hydrogen storage cylinder under the user state.

Description

Main valve of electromagnetic valve

Technical Field

The utility model relates to a technical field of integrated cylinder valve of high-pressure hydrogen especially relates to a solenoid valve main valve.

Background

The high-pressure hydrogen integrated cylinder valve is arranged in a hydrogen storage cylinder of a fuel cell automobile and used for controlling the on-off of hydrogen in the hydrogen storage cylinder, and the cylinder valve used by the automobile is generally composed of an electromagnetic valve and a TPRD (thermal plastic deformation detector) which can be controlled to be switched on and off from a terminal.

When the hydrogen storage cylinder is filled with gas, the gas enters the cylinder through the electromagnetic valve main valve, the overflow valve and the filter, the electromagnetic valve main valve is opened during gas filling, and is closed after the gas filling is finished.

SUMMERY OF THE UTILITY MODEL

To the problem of above-mentioned production, the utility model aims to provide a solenoid valve main valve.

In order to realize the purpose, the utility model discloses the technical scheme who takes does:

a main valve of an electromagnetic valve is installed in a valve body, a first gas channel and a second gas channel are arranged in the valve body, the main valve of the electromagnetic valve is located between the first gas channel and the second gas channel and comprises a sealing valve seat, the sealing valve seat is connected in the valve body in a threaded mode, and a third gas channel is arranged inside the main valve; the sealing cover is in threaded connection with one side of the bottom of the valve body, a spring limiting groove is formed in the sealing cover, and a spring is fixed in the spring limiting groove; the sealing valve clack is arranged between the sealing valve seat and the sealing cover, the spring is far away from one end of the sealing cover and fixedly connected with the sealing valve clack, the sealing valve clack is close to one end of the sealing valve seat and is provided with a semi-sphere structure, and the semi-sphere structure and an outlet of the gas channel III form a seal.

The utility model discloses further set up to: one port of the first gas channel is communicated between the sealing valve seat and the semi-spherical structure, and the second gas channel is communicated with the three phases of the gas channels.

Preferably, the first gas passage opens into the hydrogen storage cylinder, the first gas passage is shaped like a '+' -shape, and one end of the first gas passage, which is far away from the hydrogen storage cylinder, opens between the sealing valve seat and the semi-spherical structure.

Preferably, the central axis of the second gas channel coincides with the central axis of the third gas channel.

The utility model discloses further set up to: the outer side of the sealing valve seat is provided with a first annular groove, a first O-shaped ring is arranged in the first annular groove, and the first O-shaped ring and the valve body form sealing.

The utility model discloses further set up to: the outside of sealed lid is equipped with the second ring channel, be equipped with second O type circle and retaining ring in the second ring channel, the quantity of retaining ring is two, second O type circle is located two between the retaining ring, second O type circle and two the retaining ring all with the valve body forms sealedly.

The utility model discloses further set up to: a gap is arranged between the sealing valve clack and the valve body.

The utility model discloses further set up to: a blind hole is formed in the end face, close to the sealing cover, of the sealing valve clack, and one end, far away from the sealing cover, of the spring is inserted into the blind hole.

The utility model discloses owing to adopt above-mentioned technique, make it compare the positive effect that has with prior art and be:

the utility model discloses a solenoid valve main valve simple structure, rationally distributed, the leakproofness is good, can guarantee not the outflow of well hydrogen of hydrogen storage cylinder under the user state.

Drawings

FIG. 1 is a cross-sectional view of a solenoid valve main valve of the present invention;

fig. 2 is a schematic diagram of the electromagnetic valve of the present invention after the main valve is closed;

fig. 3 is a schematic diagram of the electromagnetic valve of the present invention after the main valve is opened.

In the drawings: 1. a valve body; 11. a first gas channel; 12. a second gas channel; 2. sealing the valve seat; 21. a gas channel III; 22. a first O-ring; 23. an annular fixture block; 3. a sealing cover; 31. a spring limiting groove; 32. a second O-ring; 33. a retainer ring; 4. a spring; 5. a sealing valve flap; 51. blind holes; 6. a semi-spherical structure; 7. an overflow valve; 8. and (3) a filter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings and specific embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, an embodiment of the present invention provides a solenoid valve, where the solenoid valve is installed in a valve body 1, the valve body 1 is used to be installed on a hydrogen storage cylinder of a fuel cell vehicle to control the flow of hydrogen in the hydrogen storage cylinder, a first gas passage 11 and a second gas passage 12 are provided in the valve body 1, the first gas passage 11 is perpendicular to the second gas passage 12, the solenoid valve is located between the first gas passage 11 and the second gas passage 12, the first gas passage 11 is communicated with the hydrogen storage cylinder, and when the solenoid valve is opened, hydrogen in the first gas passage 11 can enter the second gas passage 12 through the solenoid valve.

The electromagnetic valve main valve comprises a sealing valve seat 2, a sealing cover 3 and a sealing valve clack 5, wherein the sealing valve seat 2 is connected in the valve body 1 in a threaded manner, a gas passage III 21 is arranged in the sealing valve seat, and a gas passage II 12 is communicated with the gas passage III 21; the sealing cover 3 is in threaded connection with one side of the bottom of the valve body 1, one end of the sealing cover 3 is arranged in the valve body 1, the sealing cover 3 is opposite to the sealing valve seat 2, a spring limiting groove 31 is formed in the sealing cover 3, and a spring 4 is fixed in the spring limiting groove 31; sealed valve clack 5 sets up between sealed disk seat 2 and sealed lid 3, the one end and the 5 fixed connection of sealed valve clack of sealed lid 3 are kept away from to spring 4, sealed valve clack 5 is close to the one end of sealed disk seat 2 and is provided with hemisphere structure 6, hemisphere structure 6 forms sealedly with the export of three 21 of gas passage, hemisphere structure 6 is used for three 21 of shutoff gas passage, a port of gas passage 11 accesss to between sealed disk seat 2 and hemisphere structure 6, when hemisphere structure 6 and the port contact of three 21 of gas passage, gas passage 11, gaseous unable circulation in two 12 of gas passage and the three 21 of gas passage.

The utility model discloses an electromagnetic valve main valve is in normal closed state, when hydrogen gas filling is carried out to hydrogen storage cylinder, hydrogen carries to three 21 of gas passage through two 12 of gas passage, impel semicircle ball structure 6 and sealing valve clack 5 through medium power, 5 compression spring 4 of sealing valve clack, semicircle ball structure 6 breaks away from three 21 of gas passage, hydrogen can get into inside hydrogen storage cylinder through a gas passage 11, after the filling is accomplished, semicircle ball structure 6 and sealing valve clack 5 reset under spring 4's effort, spring 4 resumes to original length, 6 shutoff gas passage three 21 once more of semicircle ball structure, hydrogen gas reflux of hydrogen storage cylinder is stopped.

It should also be noted that the terms "one end" and "the other end" as used herein are defined with reference to the relative positions of the components in the drawings of the present invention, and are only used for clarity and convenience of describing the technical solutions, and it should be understood that the application of the terms should not be construed as limiting the scope of the present application.

Further, a first annular groove is formed in the outer side of the sealing valve seat 2, a first O-shaped ring 22 is arranged in the first annular groove, and the first O-shaped ring 22 is in contact with the valve body 1 and used for sealing between the sealing valve seat 2 and the valve body 1.

Further optimizing the above embodiment, the outside of the sealing cover 3 is provided with a second annular groove, the second annular groove is provided with two second O-rings 32 and two retaining rings 33, the number of the retaining rings 33 is two, the second O-rings 32 are located between the two retaining rings 33, and the second O-rings 32 and the two retaining rings 33 are both in contact with the valve body 1 and are used for sealing between the sealing cover 3 and the valve body 1.

Furthermore, the sealing valve clack 5 is made of plastic materials, and a gap is formed between the sealing valve clack 5 and the valve body 1, so that the sliding resistance of the sealing valve clack 5 in the valve body 1 is small, and when the hydrogen storage cylinder is filled with hydrogen, the hydrogen provides a small medium force to push the semi-spherical structure 6 and the sealing valve clack 5.

In addition, a blind hole 51 is formed in the end face, close to the sealing cover 3, of the sealing valve clack 5, and one end, far away from the sealing cover 3, of the spring 4 is inserted into the blind hole 51, so that the limiting effect on the spring 4 is achieved.

Further, the one end that sealed disk seat 2 is close to in the hemisphere structure 6 outwards extends and forms annular fixture block 23, and annular fixture block 23 card is established on the draw-in groove in valve body 1, is equipped with a plurality of mounting holes on annular fixture block 23, can install annular fixture block 23 on valve body 1 through the screw.

Further optimizing the above embodiment, the solenoid valve main valve is installed on one side of the bottom of the valve body 1, the other side of the valve body 1 is used for installing the overflow valve 7 and the filter 8, the first gas passage 11 is shaped like a '+', one end of the first gas passage 11 is connected with the solenoid valve main valve, the other end of the second gas passage 12 is connected with the overflow valve 7, the solenoid valve main valve and the overflow valve 7 are arranged in parallel in the valve body 1, and the length of the valve body 1 can be reduced.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a solenoid valve main valve, the solenoid valve main valve is installed in valve body (1), be equipped with gas passage one (11) and gas passage two (12) in valve body (1), the solenoid valve main valve is located gas passage one (11) with between gas passage two (12), its characterized in that includes:

the sealing valve seat (2) is connected in the valve body (1) in a threaded manner, and a gas channel III (21) is arranged in the sealing valve seat (2);

the sealing cover (3) is in threaded connection with one side of the bottom of the valve body (1), a spring limiting groove (31) is formed in the sealing cover (3), and a spring (4) is fixed in the spring limiting groove (31);

sealing valve clack (5), sealing valve clack (5) set up sealing valve seat (2) with between sealed lid (3), spring (4) are kept away from the one end of sealed lid (3) with sealing valve clack (5) fixed connection, sealing valve clack (5) are close to the one end of sealed valve seat (2) is provided with hemisphere structure (6), hemisphere structure (6) with the export of gas passage three (21) forms sealedly.

2. The solenoid valve main valve according to claim 1, characterized in that the port of said gas channel one (11) opens between said sealing valve seat (2) and said semi-spherical structure (6), said gas channel two (12) communicating with said gas channel three (21).

3. The solenoid valve main valve according to claim 1, characterized in that a first annular groove is provided outside the sealing valve seat (2), a first O-ring (22) is provided inside the first annular groove, and the first O-ring (22) forms a seal with the inner wall of the valve body (1).

4. The main valve according to claim 1, characterized in that said sealing cover (3) is provided, on the outside, with a second annular groove in which are provided a second O-ring (32) and two retaining rings (33), said two retaining rings (33) being in number, said second O-ring (32) being located between said two retaining rings (33), said second O-ring (32) and said two retaining rings (33) each forming a seal with said valve body (1).

5. Electromagnetic valve main valve according to claim 1, characterised in that a gap is provided between said sealing flap (5) and said valve body (1).

6. The electromagnetic valve main valve according to claim 1, characterized in that a blind hole (51) is opened on an end face of the sealing valve flap (5) close to the sealing cover (3), and an end of the spring (4) far from the sealing cover (3) is inserted into the blind hole (51).