CN219388629U

CN219388629U - Gas electromagnetic valve

Info

Publication number: CN219388629U
Application number: CN202320853644.XU
Authority: CN
Inventors: 张亚鹏; 张会厂; 张亚楠
Original assignee: Henan Shengtang Gas Safety Equipment Co ltd
Current assignee: Henan Shengtang Gas Safety Equipment Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-07-21
Anticipated expiration: 2033-04-17

Abstract

The utility model relates to the field of gas electromagnetic valves, in particular to a gas electromagnetic valve. The gas electromagnetic valve comprises a valve body, two connecting pipes arranged on the valve body, a valve arranged in the valve body and a valve cover arranged below the valve, wherein a pushing assembly used for moving the valve cover is arranged on the valve body, a first control box is arranged on the valve body, and a control assembly used for moving the pushing assembly downwards and a reset assembly used for moving the pushing assembly upwards are arranged in the first control box. According to the gas electromagnetic valve provided by the utility model, the valve cover can be driven by the pushing component to lift by utilizing the control component and the reset component, so that the opening and closing movement of the valve can be completed, and the pushing component can be used for propping the valve cover against the valve under the action of the sealing component to keep the valve body in a normally closed state, so that the connecting pipe does not need to stop supplying gas to the valve body, the gas leakage phenomenon can be effectively prevented when the reset component is replaced, and the gas electromagnetic valve is simple to operate and high in safety.

Description

Gas electromagnetic valve

Technical Field

The utility model relates to the field of gas electromagnetic valves, in particular to a gas electromagnetic valve.

Background

The gas solenoid valve is also called as gas emergency cut-off valve, which is an executing mechanism for automatic temperature control, and is suitable for two-position on-off switching of various gas such as city gas, liquefied petroleum gas, natural gas and the like as heating burning medium pipelines, and is widely applied to gas heat setting in textile industry and printing industry, kiln heating in glass and bulb industry and gas heating automatic control systems in other industries.

Application number: 201922447410.1 discloses a gas appliance electromagnetic valve, which is movably sleeved with an internal device of a valve body through a fixed rod, so that a maintainer can rotate a bolt assembly to open a connecting port and directly withdraw the fixed rod, the valve core and a reset spring are guaranteed to be rapidly detached, the working efficiency of the maintainer is improved, and meanwhile, a connecting sleeve is rotated, so that the connecting sleeve is separated from a valve rod with a filter membrane, the installation and the disassembly are convenient, and the practicability is enhanced.

In the above scheme, some problems still exist, the elasticity of the spring is utilized to seal the valve, and although the tightness of the valve can be ensured by replacing the spring with the fatigue limit, when the spring is replaced, the valve cover can not achieve the effect of sealing the valve, and the air supply in the valve needs to be stopped, so that the conditions required by the replacement of the spring are more, and the risk of air leakage exists.

Therefore, it is necessary to provide a new gas solenoid valve to solve the above technical problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a gas electromagnetic valve.

The utility model provides a gas electromagnetic valve which comprises a valve body, two connecting pipes arranged on the valve body, a valve arranged in the valve body and a valve cover arranged below the valve, wherein a pushing assembly for moving the valve cover is arranged on the valve body, a first control box is arranged on the valve body, a control assembly for descending and moving the pushing assembly and a reset assembly for ascending and moving the pushing assembly are arranged in the first control box, a second control box is arranged on the valve body, and a sealing assembly for limiting the ascending of the valve cover is arranged on the second control box.

Preferably, the connecting pipe is provided with threads, and the limiting block is arranged on the connecting pipe.

Preferably, the pushing assembly comprises a push-pull rod arranged on the valve cover and an extrusion rod arranged on the valve cover, wherein one end of the push-pull rod, far away from the valve cover, penetrates through the valve body and extends into the first control box, and one end of the extrusion rod, far away from the valve cover, penetrates through the valve body and extends into the second control box.

Preferably, the control assembly comprises a sealing cover arranged on the first control box, an electromagnetic valve main body arranged on the sealing cover, a linkage rod arranged in the electromagnetic valve main body, and a guide rod rotatably connected to the push-pull rod, wherein the bottom end of the linkage rod is in contact with the guide rod.

Preferably, the reset assembly comprises two guide posts arranged on the sealing cover and fixing nuts connected to the guide posts in a threaded mode, wherein reset springs are sleeved on the guide posts and located between the guide rods and the fixing nuts, and the guide rods are connected with the guide posts in a sliding mode.

Preferably, the sealing assembly comprises a linkage plate in the second control box, a spiral ring inlaid on the second control box, an adjusting screw in the spiral ring and a supporting plate arranged on the adjusting screw in a threaded manner, wherein the supporting plate is positioned in the second control box, and a vent hole is formed in the linkage plate.

Compared with the related art, the gas electromagnetic valve provided by the utility model has the following beneficial effects:

according to the utility model, the pushing component, the control component, the first control box, the second control box, the reset component and the sealing component are matched, the control component and the reset component are utilized to drive the valve cover to lift and move, so that the opening and closing movement of the valve is completed, the pushing component can be used for propping the valve cover against the valve under the action of the sealing component, and the valve body is kept in a normally closed state, so that the connecting pipe does not need to stop supplying air to the valve body, the air leakage phenomenon is effectively prevented when the reset component is replaced, the operation is simple, and the safety is high.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

Reference numerals in the drawings: 1. a valve body; 2. a connecting pipe; 3. a thread; 4. a limiting block; 5. a valve; 6. a valve cover; 7. a first control box; 8. a cover; 9. a solenoid valve main body; 10. a linkage rod; 11. a guide rod; 12. a guide post; 13. a fixing nut; 14. a return spring; 15. a push-pull rod; 16. an extrusion rod; 17. a second control box; 18. a linkage plate; 19. a vent hole; 20. a spiro ring; 21. adjusting a screw; 22. and a support plate.

Description of the embodiments

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

Referring to fig. 1 to 3, the gas solenoid valve provided in the embodiment of the utility model includes a valve body 1, two connecting pipes 2 installed on the valve body 1, a valve 5 installed in the valve body 1, and a valve cover 6 disposed below the valve 5, wherein the connecting pipes 2 and the valve body 1 are in a communication state, the valve 5 is designed in the middle section of the valve body 1, the valve cover 6 can completely seal the valve 5, a pushing component for moving the valve cover 6 is disposed on the valve body 1, a first control box 7 is installed on the valve body 1, a control component for moving the pushing component downward and a reset component for moving the pushing component upward are disposed in the first control box 7, a second control box 17 is installed on the valve body 1, and a sealing component for limiting the lifting of the valve cover 6 is disposed on the second control box 17.

In the embodiment of the present utility model, referring to fig. 1 and 2, a thread 3 is provided on a connection pipe 2, and a stopper 4 is installed on the connection pipe 2.

It should be noted that: by designing the thread 3 on the connecting pipe 2, the external pipe can be conveniently communicated with the connecting pipe 2.

In the embodiment of the present utility model, referring to fig. 2, the pushing assembly includes a push-pull rod 15 mounted on the valve cover 6, and an extrusion rod 16 mounted on the valve cover 6, wherein an end of the push-pull rod 15 away from the valve cover 6 penetrates the valve body 1 and extends into the first control box 7, and an end of the extrusion rod 16 away from the valve cover 6 penetrates the valve body 1 and extends into the second control box 17.

It should be noted that: the sealing rings are designed at the communication positions of the push-pull rod 15 and the extrusion rod 16 and the valve body 1, so that the tightness of the communication positions of the push-pull rod 15 and the extrusion rod 16 and the valve body 1 is ensured.

In the embodiment of the present utility model, referring to fig. 1, 2 and 3, the control assembly includes a cover 8 mounted on the first control box 7, a solenoid valve body 9 mounted on the cover 8, a linkage rod 10 mounted in the solenoid valve body 9, and a guide rod 11 rotatably connected to the push-pull rod 15, wherein the bottom end of the linkage rod 10 is in contact with the guide rod 11.

It should be noted that: the electromagnetic valve body 9 can enable the linkage rod 10 to move downwards, and enable the linkage rod 10 to push the push-pull rod 15 to move downwards through the guide rod 11, so that the push-pull rod 15 can drive the valve cover 6 to move downwards, and the opening of the valve 5 can be opened.

In the embodiment of the present utility model, referring to fig. 2 and 3, the reset assembly includes two guide posts 12 mounted on the cover 8, and a fixing nut 13 screwed on the guide posts 12, wherein a reset spring 14 is sleeved on the guide posts 12, the reset spring 14 is located between the guide rod 11 and the fixing nut 13, and the guide rod 11 is slidably connected with the guide posts 12.

It should be noted that: when the guide rod 11 moves downwards on the guide post 12, the reset spring 14 can be extruded, under the elastic action of the reset spring 14, the guide rod 11 can drive the push-pull rod 15 to reset, and the fixing nut 13 and the guide post 12 are detachably connected, so that the reset spring 14 can be conveniently replaced.

In the embodiment of the present utility model, referring to fig. 2, the sealing assembly includes a linkage plate 18 slidably connected to the second control box 17, a spiral ring 20 embedded on the second control box 17, an adjusting screw 21 screwed in the spiral ring 20, and a support plate 22 mounted on the adjusting screw 21, wherein the support plate 22 is located in the second control box 17, and the linkage plate 18 is provided with a vent hole 19.

It should be noted that: the adjustable screw rod 21 rotates in the spiral ring 20, the supporting plate 22 moves upwards in the second control box 17, the extruding rod 16 is pushed upwards through the linkage plate 18, the valve cover 6 is in a fixed state to seal the valve 5, the vent hole 19 is formed in the linkage plate 18, gas is prevented from being extruded when the linkage plate 18 moves upwards, and gas circulation is facilitated.

The working principle of the gas electromagnetic valve provided by the utility model is as follows:

when the valve 5 needs to be opened, the linkage rod 10 can be driven by the electromagnetic valve main body 9 to move downwards, the guide rod 11 drives the valve cover 6 to move downwards through the push-pull rod 15, the sealing of the valve 5 by the valve cover 6 can be relieved, the two connecting pipes 2 are communicated through the valve body 1, when the valve 5 needs to be sealed, the electromagnetic valve main body 9 is stopped to be powered, under the elastic action of the return spring 14, the guide rod 11 moves upwards on the guide post 12, the push-pull rod 15 drives the valve cover 6 to move upwards, the valve cover 6 can seal the valve 5, when the return spring 14 needs to be replaced, the movable adjusting screw 21 rotates in the spiral ring 20, the supporting plate 22 moves upwards in the second control box 17, the pressing rod 16 can be pushed upwards through the linkage plate 18, the valve cover 6 is in a fixed state to be sealed, the sealing of the valve 5 is further carried out, the sealing cover 8 is removed from the first control box 7, the fixing nut 13 is removed from the guide post 12, the return spring 14 is replaced, the normally closed state is kept in the valve body 1, and the valve body 1 is stopped in the state when the valve body is replaced, the valve body 1 does not need to be replaced, and the air leakage phenomenon is prevented, and the safety assembly is easy to operate, and the safety assembly is prevented from happening.

The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The utility model provides a gas solenoid valve, includes valve body (1), installs two connecting pipes (2) on valve body (1), installs valve (5) in valve body (1), sets up valve gap (6) in valve (5) below, a serial communication port, be provided with on valve body (1) and be used for the propelling movement subassembly to valve gap (6) removal, install first control box (7) on valve body (1), be provided with in first control box (7) and be used for the control assembly to propelling movement subassembly decline removal, be used for the reset assembly to propelling movement subassembly rising removal, install second control box (17) on valve body (1), be provided with on second control box (17) and be used for the spacing seal assembly to valve gap (6) rising.

2. The gas electromagnetic valve according to claim 1, characterized in that the connecting pipe (2) is provided with threads (3), and the connecting pipe (2) is provided with a limiting block (4).

3. A gas solenoid valve according to claim 1, characterised in that the push assembly comprises a push-pull rod (15) mounted on the valve cover (6), a squeeze rod (16) mounted on the valve cover (6), the end of the push-pull rod (15) remote from the valve cover (6) extending through the valve body (1) and into the first control box (7), and the end of the squeeze rod (16) remote from the valve cover (6) extending through the valve body (1) and into the second control box (17).

4. A gas solenoid valve according to claim 3, characterised in that said control assembly comprises a cover (8) mounted on the first control box (7), a solenoid valve body (9) mounted on the cover (8), a linkage rod (10) mounted in the solenoid valve body (9), a guide rod (11) rotatably connected to a push-pull rod (15), the bottom end of said linkage rod (10) being in contact with said guide rod (11).

5. The gas electromagnetic valve according to claim 4, characterized in that the reset assembly comprises two guide posts (12) mounted on the sealing cover (8), and a fixing nut (13) in threaded connection with the guide posts (12), wherein a reset spring (14) is sleeved on the guide posts (12), the reset spring (14) is located between the guide rod (11) and the fixing nut (13), and the guide rod (11) is in sliding connection with the guide posts (12).

6. A gas solenoid valve according to claim 3, characterised in that said sealing assembly comprises a linkage plate (18) slidingly connected to the second control box (17), a screw ring (20) embedded in the second control box (17), an adjusting screw (21) screwed to the screw ring (20), a support plate (22) mounted on the adjusting screw (21), said support plate (22) being located in said second control box (17), said linkage plate (18) being provided with a vent hole (19).