CN218118623U

CN218118623U - Gas valve

Info

Publication number: CN218118623U
Application number: CN202221278794.4U
Authority: CN
Inventors: 张朝碧
Original assignee: Yuefeng Valve Manufacturing Co ltd
Current assignee: Yuefeng Valve Manufacturing Co ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-12-23
Anticipated expiration: 2032-05-24

Abstract

The utility model discloses a gas valve relates to valve technical field, including the connecting plate, the last fixed surface of connecting plate is inlayed and is had the valve body, and the inside sliding connection of valve body has first piston, and the thread groove has been seted up to the inside of first piston, and the inside threaded connection of thread groove has the threaded rod, and the upper end fixedly connected with handle of threaded rod, the left part and the equal fixedly connected with in right part of connecting plate bottom surface detect the piece, detect the inside of piece and all seted up the through-hole. This gas valve, can control the lift of first piston through rotating the threaded rod, thereby can realize cutting off and the purpose of opening the gas, through setting up sensitive spring, when gas leakage appears with external gas pipeline in trachea, the inside atmospheric pressure increase of through-hole, the elastic deformation of sensitive spring can drive the second piston and descend, thereby make and form closed circuit between first conductor and the second conductor, thereby can make the electric bell sound, the personnel of being convenient for in time discover gas leakage, thereby the problem of proposing among the background art has been solved.

Description

Gas valve

Technical Field

The utility model relates to the technical field of valves, specifically a gas valve.

Background

The valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, is used for a valve of a fluid control system, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

The pipeline of combustible gas such as coal gas, natural gas generally is connected two pipelines through the gas valve, and whether the pipeline that common gas valve is difficult to automated inspection both ends leaks gas, when the junction of pipeline and gas valve leaks gas, is difficult to in time discover, causes adverse effect easily.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a gas valve has solved the problem of proposing in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gas valve, the connecting plate comprises a connecting plate, the last fixed surface of connecting plate inlays and has the valve body, the inside sliding connection of valve body has first piston, the thread groove has been seted up to the inside of first piston, the inside threaded connection of thread groove has the threaded rod, the upper end fixedly connected with handle of threaded rod, the equal fixedly connected with in left part and the right part of connecting plate bottom surface detects the piece, detect the inside of piece and all seted up the through-hole, two detect and all fixed intercommunication have the connecting pipe between piece and the valve body, two side that detect that the piece is kept away from each other all fixed intercommunication have the trachea, the equal sliding connection of inner wall of two through-holes has the second piston, equal fixedly connected with sensitive spring between two first pistons and the connecting plate, two symmetrical jacks have been seted up to the upper surface of connecting plate, the inside of two jacks has all been pegged graft the inserted bar, the upper end of two inserted bars all is equipped with the power, the positive pole and the negative pole of two powers all are equipped with first conductor, the upper surface of connecting plate is equipped with two symmetrical electric bells and two sets of symmetrical second conductors.

As the further description of the technical scheme, the bottom surface of the valve body is fixedly connected with the fixing plate, and the two detection blocks are fixedly connected with the fixing plate, so that the stability between the valve body and the two fixing plates is further improved, and the condition that the two detection blocks deviate is avoided.

As the further description of the technical scheme, the bottom end of the threaded rod is rotatably connected with the inner bottom wall of the valve body through the bearing, the upper end of the threaded rod is rotatably connected with the upper surface of the valve body through the bearing, the stability of the threaded rod is further improved, and the threaded rod can stably rotate.

As the further description of the technical scheme, two symmetrical limiting holes are formed in the upper surface of the first piston, limiting rods are inserted into the two limiting holes, the two ends of each limiting rod are fixedly connected with the inner top wall and the inner bottom wall of the valve body respectively, the first piston can be stably lifted, and the first piston is prevented from deviating.

As the further description of above-mentioned technical scheme, two the surface of inserted bar all sets up four spouts that are the circumference and arrange, and the equal sliding connection in inside of every spout has the slider, and every slider all rather than the jack fixed connection that is close to mutually has guaranteed the lift that the inserted bar can be stable, has avoided the condition that the skew appears in the second piston.

As a further description of the above technical solution, the rear end of each first conductor is provided with a conductive bump, the rear ends of the four second conductors are respectively located under the four conductive bumps, the front ends of the two sets of second conductors are respectively connected with the two electric bells through external wires, and when the two power supplies are lowered, a closed circuit can be formed between the first conductors and the second conductors, so that the electric bells can be sounded.

As a further description of the above technical solution, two ends of the air pipes far away from each other are both provided with flanges, and the two air pipes are respectively connected with an external gas pipeline through the two flanges, so that the two air pipes are conveniently connected with the external gas pipeline.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this gas valve, can control the lift of first piston through rotating the threaded rod, thereby can realize cutting off and the purpose of opening the gas, through setting up sensitive spring, when gas leakage appears with external gas pipeline in trachea, the inside atmospheric pressure increase of through-hole, the elastic deformation of sensitive spring can drive the second piston and descend, thereby make and form closed circuit between first conductor and the second conductor, thereby can make the electric bell sound, the personnel of being convenient for in time discover gas leakage, thereby the problem of proposing among the background art has been solved.

2. This gas valve, through setting up two trachea respectively with two fixed intercommunications of detection piece, two pipelines respectively with two fixed intercommunications of detection piece and valve body, the gas in two tracheas of being convenient for can intercommunicate, set up two spacing holes and two gag lever posts, when rotating the threaded rod, guaranteed the lift that first piston can be stable, avoided the condition that first piston the skew appears.

Drawings

Fig. 1 is a front view of the valve body of the present invention;

fig. 2 is a sectional view of the front view of the valve body of the present invention;

fig. 3 is a cross-sectional view of the right side view of the valve body of the present invention;

fig. 4 is a cross-sectional view of the top view of the insert rod of the present invention.

In the figure: 1. a connecting plate; 2. a valve body; 3. a first piston; 4. a thread groove; 5. a threaded rod; 6. a handle; 7. a detection block; 8. a through hole; 9. a connecting pipe; 10. an air tube; 11. a second piston; 12. a sensitive spring; 13. a jack; 14. inserting a rod; 15. a power source; 16. a first conductor; 17. a second conductor; 18. a fixing plate; 19. a limiting hole; 20. a limiting rod; 21. a chute; 22. a slider; 23. a conductive bump; 24. a flange; 25. an electric bell.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the 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. 1-4, the present invention provides a technical solution: the utility model provides a gas valve, including connecting plate 1, the fixed surface of connecting plate 1 inlays and has valve body 2, the inside sliding connection of valve body 2 has first piston 3, two symmetrical spacing holes 19 have been seted up to the upper surface of first piston 3, the inside of two spacing holes 19 is all pegged graft and is had gag lever post 20, the both ends of two gag lever posts 20 respectively with the interior roof and the interior diapire fixed connection of valve body 2, the lift that first piston 3 can be stable has been guaranteed, the condition that skew appears in first piston 3 has been avoided, thread groove 4 has been seted up to the inside of first piston 3, the inside threaded connection of thread groove 4 has threaded rod 5, be connected through bearing rotation between the bottom of threaded rod 5 and the interior roof of valve body 2, be connected through bearing rotation between the upper end of threaded rod 5 and the upper surface of valve body 2, the stability of threaded rod 5 has further been improved, the rotation that threaded rod 5 can be stable has been guaranteed, the upper end fixedly connected with handle 6 of threaded rod 5, the equal fixedly connected with detection piece 7 in the left part and the right part of connecting plate 1 bottom surface, the fixedly connected with fixed connection has fixed plate 18 of valve body bottom surface, the condition has further improved the detection piece 7 that the skew appears between two fixed plate 18, the fixed plate 18 has avoided the condition that two fixed plate 18 and the condition appears.

Detect piece 7's inside and all seted up through-hole 8, two all fixed intercommunication have connecting pipe 9 between detecting piece 7 and the valve body 2, two side that detect piece 7 and keep away from each other all fixed intercommunication have trachea 10, the one end that two trachea 10 kept away from each other all is equipped with flange 24, two trachea 10 say through two flanges 24 and external gas pipe 10 respectively and are connected, be convenient for say two trachea 10 and external gas pipe 10 and be connected, the equal sliding connection of inner wall of two through-hole 8 has second piston 11, equal fixedly connected with sensitive spring 12 between two first piston 3 and the connecting plate 1, two sensitive spring 12 all are in compression state, two symmetrical jack 13 have been seted up to the upper surface of connecting plate 1, the inside of two jack 13 is all pegged graft and is had inserted bar 14, four spout 21 that are the circumference and arrange have all been seted up to the surface of two inserted bars 14, the equal sliding connection in inside of every spout 21 has slider 22, jack 13 fixed connection that every slider 22 all is close to rather than, the lift that inserted bar 14 can be stabilized has been guaranteed, the condition that second piston 11 appears the skew has been avoided.

The upper ends of the two insertion rods 14 are provided with power supplies 15, the anodes and the cathodes of the two power supplies 15 are provided with first conductors 16, the upper surface of the connecting plate 1 is provided with two symmetrical electric bells 25 and two sets of symmetrical second conductors 17, the rear end of each first conductor 16 is provided with a conductive bump 23, the rear ends of the four second conductors 17 are located under the four conductive bumps 23 respectively, the front ends of the two sets of second conductors 17 are connected with the two electric bells 25 through external wires respectively, and when the two power supplies 15 fall down, a closed circuit can be formed between the first conductors 16 and the second conductors 17, so that the electric bells 25 can be sounded.

The working principle is as follows: firstly, two external gas pipes 10 are respectively connected with two gas pipes 10 through two flanges 24, at the time, the gas pipes 10, the detection block 7 and the connecting pipes 9 are communicated with each other, the handle 6 can be rotated to enable the threaded rod 5 to rotate, the threaded rod 5 drives the first piston 3 to ascend, at the time, the gas in the two connecting pipes 9 is communicated with each other, when gas leakage occurs between one of the gas pipes 10 and the external gas pipe 10, the air pressure in the through hole 8 corresponding to the gas leakage decreases, the elastic deformation of the sensitive spring 12 pushes the second piston 11 to descend, the second piston 11 drives the insertion rod 14 to descend, the insertion rod 14 drives the power supply 15 to descend, the power supply 15 drives the two first conductors 16 to descend, the two first conductors 16 respectively drive the two conductive bumps 23 to descend, when the two conductive bumps 23 are respectively contacted with the two second conductors 17, a closed circuit is formed among the power supply 15, the first conductors 16, the two second conductors 17 and the electric bell 25 is electrified to sound, so that personnel can remind the gas pipe 10 on one ring side, and therefore the problem brought forward in the background gas leakage technology is solved.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A gas valve, including connecting plate (1), its characterized in that: the utility model discloses a lead screw, including connecting plate (1), last fixed surface inlays of connecting plate (1) has valve body (2), the inside sliding connection of valve body (2) has first piston (3), thread groove (4) have been seted up to the inside of first piston (3), the inside threaded connection of thread groove (4) has threaded rod (5), the upper end fixedly connected with handle (6) of threaded rod (5), the equal fixedly connected with in left part and the right part of connecting plate (1) bottom surface detects piece (7), through-hole (8) have all been seted up to the inside of detecting piece (7), equal fixedly connected with connecting pipe (9) between two detection pieces (7) and valve body (2), two side that detect that piece (7) kept away from each other all fixed the intercommunication have trachea (10), the equal sliding connection of inner wall of two through-holes (8) has second piston (11), equal fixedly connected with sensitive spring (12) between two first piston (3) and connecting plate (1), the upper surface of connecting plate (1) has seted up jack (13) of two symmetries, the inside of two inserted bars (13) has all inserted bar (14), the upper end of two inserted bar (14) all is equipped with power supply conductor (15) and the equal symmetrical conductor (15) and the last symmetrical conductor (17) of two sets of second conductor (17) are equipped with two sets of the symmetrical conductor (17).

2. A gas valve as claimed in claim 1, wherein: the bottom surface of the valve body (2) is fixedly connected with a fixing plate (18), and the two detection blocks (7) are fixedly connected with the fixing plate (18).

3. A gas valve according to claim 1, wherein: the bottom of threaded rod (5) is connected through the bearing rotation between the interior diapire of valve body (2), is connected through the bearing rotation between the upper end of threaded rod (5) and the upper surface of valve body (2).

4. A gas valve according to claim 1, wherein: two symmetrical limiting holes (19) are formed in the upper surface of the first piston (3), limiting rods (20) are inserted into the two limiting holes (19), and two ends of each limiting rod (20) are fixedly connected with the inner top wall and the inner bottom wall of the valve body (2) respectively.

5. A gas valve according to claim 1, wherein: two the surface of inserted bar (14) all is seted up four spout (21) that are the circumference and arrange, and the equal sliding connection in inside of every spout (21) has slider (22), and every slider (22) all is rather than jack (13) fixed connection that is close to mutually.

6. A gas valve according to claim 1, wherein: the rear end of each first conductor (16) is provided with a conductive bump (23), the rear ends of the four second conductors (17) are respectively positioned under the four conductive bumps (23), and the front ends of the two groups of second conductors (17) are respectively connected with the two electric bells (25) through external wires.

7. A gas valve according to claim 1, wherein: two one end that trachea (10) kept away from each other all is equipped with flange (24), and two trachea (10) are respectively through two flange (24) with external gas pipe (10) way connection.