CN214946654U

CN214946654U - Gas pipeline emergency cut-off valve

Info

Publication number: CN214946654U
Application number: CN202121304476.6U
Authority: CN
Inventors: 黎振宇
Original assignee: Guigang Xinao Gas Engineering Co ltd
Current assignee: Guigang Xinao Gas Engineering Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-11-30
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses a gas pipeline emergency cut-off valve, which comprises a valve body, wherein the two ends of the valve body are respectively fixedly connected with an air inlet pipe and an air outlet pipe which are communicated with each other, the inner wall at one side of the valve body is rotatably connected with a rotating shaft, one end of the rotating shaft is fixedly connected with a circular valve clack, a connecting hole is arranged inside the circular valve clack, and one ends of the air inlet pipe and the air outlet pipe which are positioned inside the valve body are respectively communicated with the two ends of the connecting hole, is convenient to use.

Description

Gas pipeline emergency cut-off valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to a gas pipeline emergency cut-off valve.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems.

The valve can be used in a gas pipeline, but the existing valve needs to be manually closed by manpower, when gas leaks, people often have no time to react, or nobody at home can not close the valve in time, so that emergency occurs, and personal and property safety of users are harmed, and therefore the emergency cut-off valve for the gas pipeline is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a gas pipeline emergency cut-off valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a gas pipeline emergency cut-off valve, includes the valve body, intake pipe and outlet duct that fixedly connected with is linked together respectively at the both ends of valve body, one side inner wall of valve body rotates and is connected with the pivot, the circular valve clack of one end fixedly connected with of pivot, the connecting hole has been seted up to the inside of circular valve clack, intake pipe and outlet duct are located the inside one end of valve body and are linked together with the both ends of connecting hole respectively, the outer wall of circular valve clack is provided with the subassembly that cuts off that is used for promptly cutting off intake pipe and outlet duct, one side inner wall of valve body is provided with the control assembly who is used for controlling the process of cutting off, the top inner wall of valve body is provided with the braking assembly who is used for carrying out the braking to circular valve clack.

Preferably, the cutting-off assembly comprises a first baffle and a second baffle which are fixedly connected to the outer wall of the circular valve clack, a first tension spring and a pressure spring are fixedly connected to the inner wall of one side, away from the air outlet pipe, of the valve body, one end of the first tension spring is fixedly connected to one side of the first baffle, and one end of the pressure spring is fixedly connected to one side of the second baffle.

Preferably, the control assembly includes controller and the buzzer siren of fixed connection at valve body one side inner wall, the top inner wall fixedly connected with electro-magnet of valve body, electro-magnet and buzzer siren all with controller electric connection, the outside of valve body is provided with a plurality of gas sensors, gas sensors and controller passing signal are connected.

Preferably, the brake assembly includes the iron plate of sliding connection at valve body top inner wall, two second extension springs that fixedly connected with symmetry set up between one side inner wall of iron plate and valve body, the iron plate is close to one side fixedly connected with fixture block of circular valve clack, the draw-in groove that uses with the fixture block cooperation is seted up to one side that circular valve clack is close to the iron plate, the iron plate is inconsistent with the electro-magnet.

Preferably, the top inner wall of the valve body is fixedly connected with a first limiting plate, and the bottom inner wall of the valve body is fixedly connected with a second limiting plate.

Preferably, the outer wall of the circular valve clack is fixedly connected with two first sealing gaskets and two second sealing gaskets which are annularly arranged.

Preferably, one side of valve body is provided with prevents fire door, one side that circular valve clack is close to preventing fire door is provided with two handles that the symmetry set up.

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

1. the utility model discloses in, the gas gets into through the intake pipe, again via the connecting hole and discharge from the outlet duct, but normal use, when the gas leaks suddenly, the gas inductor then can sense the gas leakage immediately, and in time transmit the signal to the controller, the controller cuts off the electric current of electro-magnet immediately, make the electro-magnet no longer circular telegram, the iron plate is no longer in the same place with the electro-magnet absorption at this moment, and lateral shifting to the direction of keeping away from the electro-magnet under the pulling force effect of second extension spring, the iron plate drives the fixture block to lateral shifting to the direction of keeping away from the electro-magnet, and then the fixture block removes the block state with the draw-in groove;

2. the utility model discloses in, first extension spring makes first baffle remove to the direction of keeping away from first limiting plate through the pulling force, the second baffle removes to the direction of being close to the second limiting plate under the spring action of pressure spring, and then can drive circular valve clack clockwise turning, the sealed pad of first sealed setting is convenient for the sealed better one end of cutting into and being close to each other with intake pipe and outlet duct of second is inconsistent, avoid the gas to continue to leak, controller simultaneous control buzzer siren begins to report to the police, be used for reminding user's gas to leak, when the maintenance, open and prevent fire door, anticlockwise rotation handle alright drive circular valve clack normal position, it goes up the electromagnetism iron again, alright realize the braking to circular valve clack through the block of fixture block and draw-in groove, the gas normal use of being convenient for.

The utility model discloses simple structure leaks through gas inductor auto-induction gas, can be the very first time with signal transmission for the controller, the controller then can break off the electric current of electro-magnet to start the buzzer siren and report to the police, the electro-magnet outage back, no longer adsorb the iron plate, finally can make circular valve clack clockwise rotation, and then cut off the intercommunication of intake pipe and outlet duct, and further avoided the gas to leak, convenient to use through the sealed setting up of filling up of first sealed pad and second.

Drawings

Fig. 1 is a front sectional view of an emergency cut-off valve for a gas pipeline provided by the present invention;

FIG. 2 is a front cross-sectional view of the circular valve flap of the present invention;

fig. 3 is the utility model provides a side view cross-sectional view of gas pipeline emergency trip valve.

In the figure: 1. a valve body; 2. an air inlet pipe; 3. a first gasket; 4. a second gasket; 5. a first tension spring; 6. a first baffle plate; 7. a first limit plate; 8. a card slot; 9. a circular valve flap; 10. an air outlet pipe; 11. a rotating shaft; 12. a second limiting plate; 13. a second baffle; 14. a pressure spring; 15. connecting holes; 16. a fire door; 17. a handle; 18. a clamping block; 19. an electromagnet; 20. an iron block; 21. a second tension spring; 22. a controller; 23. a buzzer alarm.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Example one

Referring to fig. 1-3, a gas pipeline emergency cut-off valve, including valve body 1, intake pipe 2 and outlet duct 10 that the both ends difference fixedly connected with of valve body 1 are linked together, one side inner wall of valve body 1 rotates and is connected with pivot 11, the circular valve clack 9 of one end fixedly connected with of pivot 11, connecting hole 15 has been seted up to the inside of circular valve clack 9, intake pipe 2 and outlet duct 10 are located the one end of valve body 1 inside and are linked together with the both ends of connecting hole 15 respectively, the outer wall of circular valve clack 9 is provided with the subassembly that cuts off that is used for promptly cutting off intake pipe 2 and outlet duct 10, one side inner wall of valve body 1 is provided with the control assembly who is used for controlling the process of cutting off, the top inner wall of valve body 1 is provided with the braking assembly that is used for braking circular valve clack 9.

Example two

The improvement is further based on the first embodiment: the cutting-off assembly comprises a first baffle 6 and a second baffle 13 which are fixedly connected with the outer wall of the circular valve clack 9, a first tension spring 5 and a pressure spring 14 are fixedly connected with the inner wall of one side of the valve body 1 far away from the air outlet pipe 10, one end of the first tension spring 5 is fixedly connected with one side of the first baffle 6, one end of the pressure spring 14 is fixedly connected with one side of the second baffle 13, the control assembly comprises a controller 22 and a buzzer alarm 23 which are fixedly connected with the inner wall of one side of the valve body 1, the inner wall of the top of the valve body 1 is fixedly connected with an electromagnet 19, the electromagnet 19 and the buzzer alarm 23 are both electrically connected with the controller 22, a plurality of gas sensors are arranged outside the valve body 1, the gas sensors are in signal connection with the controller 22, the braking assembly comprises an iron block 20 which is slidably connected with the inner wall of the top of the valve body 1, and two second tension springs 21 which are symmetrically arranged are fixedly connected between the iron block 20 and one side of the inner wall of the valve body 1, one side of the iron block 20 close to the circular valve flap 9 is fixedly connected with a fixture block 18, one side of the circular valve flap 9 close to the iron block 20 is provided with a clamping groove 8 matched with the fixture block 18 for use, and the iron block 20 is abutted to the electromagnet 19.

EXAMPLE III

The improvement is further based on the first embodiment: the first limiting plate 7 of top inner wall fixedly connected with of valve body 1, the bottom inner wall fixedly connected with second limiting plate 12 of valve body 1, two first sealed pads 3 and two sealed 4 of second that the outer wall fixedly connected with of circular valve clack 9 annular set up, one side of valve body 1 is provided with prevents fire door 16, and one side that circular valve clack 9 is close to preventing fire door 16 is provided with two handles 17 that the symmetry set up.

The working principle is as follows: under normal conditions, gas enters through the gas inlet pipe 2 and is discharged from the gas outlet pipe 10 through the connecting hole 15, the gas sensor can be used normally, when gas leakage suddenly occurs, the gas sensor can sense the gas leakage immediately, signals are transmitted to the controller 22 in time, the controller 22 cuts off the current of the electromagnet 19 immediately, the electromagnet 19 is not electrified any more, the iron block 20 is not adsorbed with the electromagnet 19 at the moment and moves transversely in the direction far away from the electromagnet 19 under the action of the tension of the second tension spring 21, the iron block 20 drives the clamping block 18 to move transversely in the direction far away from the electromagnet 19, the clamping block 18 is released from the clamping state with the clamping groove 8, the first baffle 6 moves in the direction far away from the first limiting plate 7 under the action of the tension of the first tension spring 5, and the second baffle 13 moves in the direction close to the second limiting plate 12 under the action of the elasticity of the pressure spring 14, and then can drive circular valve clack 9 clockwise rotation, the setting of first sealed pad 3 is convenient for the sealed 4 better of second to cut into and inconsistent with the one end that intake pipe 2 and outlet duct 10 are close to each other, avoid the gas to continue to leak, controller 22 simultaneous control buzzer siren 23 begins to report to the police, be used for reminding the user gas to leak, when the maintenance, open and prevent fire door 16, anticlockwise rotation handle 17 alright drive circular valve clack 9 and resume the normal position, electrify electro-magnet 19 again, alright realize the braking to circular valve clack 9 through the block of fixture block 18 with draw-in groove 8, the gas normal use of being convenient for.

However, as is well known to those skilled in the art, the working principle and wiring method of the electromagnet 19, the controller 22 and the buzzer 23 are common and are conventional means or common knowledge, and will not be described herein, and those skilled in the art can make any choice according to their needs or convenience.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An emergency cut-off valve for a gas pipeline comprises a valve body (1) and is characterized in that both ends of the valve body (1) are respectively and fixedly connected with an air inlet pipe (2) and an air outlet pipe (10) which are communicated with each other, a rotating shaft (11) is rotatably connected to the inner wall of one side of the valve body (1), one end of the rotating shaft (11) is fixedly connected with a circular valve flap (9), a connecting hole (15) is arranged inside the circular valve flap (9), one end of the air inlet pipe (2) and one end of the air outlet pipe (10) which are positioned inside the valve body (1) are respectively communicated with two ends of the connecting hole (15), the outer wall of the circular valve clack (9) is provided with a cutting component for cutting off the air inlet pipe (2) and the air outlet pipe (10) in an emergency way, a control component for controlling the cutting-off process is arranged on the inner wall of one side of the valve body (1), and a braking assembly for braking the circular valve clack (9) is arranged on the inner wall of the top of the valve body (1).

2. The gas pipeline emergency shut-off valve of claim 1, characterized in that, the shut-off component includes first baffle (6) and second baffle (13) of fixed connection at circular valve clack (9) outer wall, one side inner wall fixedly connected with first extension spring (5) and pressure spring (14) of outlet duct (10) are kept away from to valve body (1), one end of first extension spring (5) and one side fixed connection of first baffle (6), one end and one side fixed connection of second baffle (13) of pressure spring (14).

3. The gas pipeline emergency cut-off valve of claim 1, characterized in that, the control assembly includes a controller (22) and a buzzer alarm (23) fixedly connected to one side inner wall of the valve body (1), the top inner wall of the valve body (1) is fixedly connected with an electromagnet (19), the electromagnet (19) and the buzzer alarm (23) are both electrically connected with the controller (22), the exterior of the valve body (1) is provided with a plurality of gas sensors, and the gas sensors are in signal connection with the controller (22).

4. The gas pipeline emergency cutoff valve according to claim 1, wherein the brake assembly comprises an iron block (20) slidably connected to the inner wall of the top of the valve body (1), two second tension springs (21) symmetrically arranged are fixedly connected between the iron block (20) and the inner wall of one side of the valve body (1), a clamping block (18) is fixedly connected to one side of the iron block (20) close to the circular valve flap (9), a clamping groove (8) matched with the clamping block (18) for use is formed in one side of the circular valve flap (9) close to the iron block (20), and the iron block (20) is abutted to the electromagnet (19).

5. The gas pipeline emergency shut-off valve according to claim 1, characterized in that a first limit plate (7) is fixedly connected to the top inner wall of the valve body (1), and a second limit plate (12) is fixedly connected to the bottom inner wall of the valve body (1).

6. The quick action emergency valve for gas pipeline, according to claim 1, characterized in that the outer wall of said circular valve flap (9) is fixedly connected with two first sealing gaskets (3) and two second sealing gaskets (4) which are annularly arranged.

7. The gas pipeline emergency cut-off valve according to claim 1, characterized in that one side of the valve body (1) is provided with a fire door (16), and one side of the circular valve flap (9) close to the fire door (16) is provided with two handles (17) which are symmetrically arranged.