CN210531687U

CN210531687U - Pipeline gas safety self-closing valve

Info

Publication number: CN210531687U
Application number: CN201921040026.3U
Authority: CN
Inventors: 江丹阳
Original assignee: Zhejiang Yihong Gas Technology Co Ltd
Current assignee: Zhejiang Yihong Gas Technology Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-05-15
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses a pipeline gas safety self-closing valve, including drawing lid, nut, M4 screw, 0 type circle and valve body, draw and be connected with the cap that draws under the lid, and draw the internally mounted of cap to have the jump ring, be connected with the iron sheet under the jump ring, and be connected with the pull rod under the iron sheet, the outside of nut is provided with the valve gap, and is connected with 801 iron sheet under the nut, be connected with the paper sheet directly over the valve gap, and be provided with the tympanic membrane under the paper sheet, the internally mounted of valve body has M3 screw, and the outside of M3 screw is connected with magnet, be connected with the iron cover under the magnet, be connected with the seal receptacle under the iron cover, and the below block has the flat pad of rubber under the seal receptacle, the outside nested connection of 0 type circle has the copper ball. The pipeline gas safety self-closing valve does not use electricity or any other energy sources, is energy-saving and environment-friendly, is automatically monitored, is sensitive and reliable, is not interfered by the environment, and has long service life.

Description

Pipeline gas safety self-closing valve

Technical Field

The utility model relates to a pipeline gas equipment technical field specifically is a pipeline gas safety self-closing valve.

Background

When the gas is recovered to supply gas, gas leakage can be caused, explosion and even linkage explosion occur, the medium-high pressure of a gas pipeline is adjusted to low pressure by a pressure regulator when the gas pipeline enters a house, and if the pressure regulator fails, safety accidents can be caused when the medium-high pressure directly enters the house, so that the safety self-closing valve is required to seal and close the outer side of the gas.

When the gas supply pressure of the pipeline is under-pressure or overpressure, the existing pipeline gas safety self-closing valve needs electricity or other external power to close, so that a large amount of resources are consumed in the use process of the pipeline gas safety self-closing valve, and residual natural gas easily overflows from the pipeline gas safety self-closing valve when the pipeline gas safety self-closing valve is closed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipeline gas safety self-closing valve to the self-closing valve that proposes in solving above-mentioned background art needs electricity or other external power, just can close pipeline gas safety self-closing valve, and remaining natural gas overflows the problem of pipeline gas safety self-closing valve easily.

In order to realize the aim, the utility model provides a pipeline gas safety self-closing valve, which comprises a pulling cover, a screw cap, an M4 screw, a 0-shaped ring and a valve body, wherein the pulling cap is connected under the pulling cover, a snap spring is arranged in the pulling cap, an iron gasket is connected under the snap spring, a pull rod is connected under the iron gasket, a valve cover is arranged on the outer side of the screw cap, an 801 iron gasket is connected under the screw cap, paper gaskets are arranged on the left side and the right side of the 801 iron gasket, a tympanic membrane is arranged under the paper gasket, an M3 screw is arranged in the valve body, a magnet is connected on the outer side of the M3 screw, an iron cover is connected under the magnet, a sealing seat is connected under the iron cover, a rubber flat gasket is clamped under the sealing seat, a copper ball is nested and connected on the outer side of the 0-shaped ring, and the bottom of copper ball is connected with plastics king, draw the lid directly over be connected with the label, be connected with the spring directly over the seal receptacle.

Preferably, the pull rod and the pull cap form a lifting structure through a nut, and the sum of the length of the pull rod and the length of the pull cap is two thirds of the length of the valve body.

Preferably, the longitudinal section of the valve cover is of a round table structure, the valve cover and the valve body form a dismounting and mounting structure through the paper gasket and the tympanic membrane, and the length of the paper gasket is greater than that of the valve body.

Preferably, the magnet is connected with the M3 screw in a nested mode, the magnet is connected with the sealing seat through a rubber flat pad, and the diameter of the rubber flat pad is larger than the diameter of the sealing seat.

Preferably, the M4 screw, the handle, the copper valve core and the red cap form a rotating structure, the M4 screw is installed inside the handle, the copper valve core is arranged right below the handle, and the red cap is connected right above the M4 screw.

Preferably, the valve body, the air outlet nozzle and the super-flow protector form a clamping structure, the air outlet nozzle penetrates through the outer side of the valve body, the super-flow protector is installed inside the valve body, and the outer side of the air outlet nozzle is of a thread structure.

Compared with the prior art, the beneficial effects of the utility model are that: the pipeline gas safety self-closing valve does not use electricity or any other energy sources, is energy-saving and environment-friendly, is automatically monitored, sensitive and reliable, is not interfered by the environment, has long service life, does not need regular inspection during use, is automatically closed and manually opened,

1. the sealing seat and the handle are adopted to separate and seal the gas inside the valve body through the sealing seat, the valve body is always kept in a closed state before the fault is not eliminated, safety and reliability are ensured, the air outlet nozzle is further sealed by the handle, and the daily use stability of the self-closing valve is ensured;

2. adopt super flow protector and handle, control the flow of the inside gas of valve body through super flow protector, and then be convenient for to the inside flow real time monitoring of valve body to control the inside gas of valve body through the handle, the daily simple operation nature of hoisting device.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged schematic view of point A of FIG. 1;

fig. 3 is a schematic side view of the present invention.

In the figure: 1. pulling the cover; 2. pulling the cap; 3. a clamp spring; 4. an iron shim; 5. a pull rod; 6. a valve cover; 7. a nut; 8. 801 iron shim; 9. a paper shim; 10. a tympanic membrane; 11. an M3 screw; 12. a magnet; 13. an iron cover; 14. a sealing seat; 15. a rubber flat pad; 16. an M4 screw; 17. a handle; 18. a copper valve core; 19. 0-shaped ring; 20. copper balls; 21. plastic king; 22. an air outlet nozzle; 23. a valve body; 24. an over-flow protector; 25. a red cap; 26. a label; 27. a spring.

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. 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. 1-3, the present invention provides a technical solution: a pipeline gas safety self-closing valve comprises a pull cover 1, a pull cap 2, a clamp spring 3, an iron gasket 4, a pull rod 5, a valve cover 6, a screw cap 7, an 801 iron gasket 8, a paper gasket 9, a tympanic membrane 10, an M3 screw 11, a magnet 12, an iron cover 13, a sealing seat 14, a rubber flat gasket 15, an M4 screw 16, a handle 17, a copper valve core 18, a 0-shaped ring 19, a copper ball 20, a plastic king 21, an air outlet nozzle 22, a valve body 23, an over-flow protector 24, a red cover cap 25, a label 26 and a spring 27, wherein the pull cap 2 is connected right below the pull cover 1, the clamp spring 3 is installed inside the pull cap 2, the iron gasket 4 is connected right below the clamp spring 3, the pull rod 5 is connected right below the iron gasket 4, the valve cover 6 is arranged on the outer side of the screw cap 7, the 801 iron gasket 8 is connected right below the screw cap 7, the paper gasket 9 is arranged on the left side and the right side of the iron gasket 8, the tympanic membrane, the M3 screw 11 is installed in the valve body 23, the magnet 12 is connected with the outside of the M3 screw 11, the iron cover 13 is connected with the position right below the magnet 12, the seal seat 14 is connected with the position right below the iron cover 13, the rubber flat gasket 15 is clamped and connected with the position right below the seal seat 14, the copper ball 20 is connected with the outer side of the 0-shaped ring 19 in an embedded mode, the plastic king 21 is connected with the bottom of the copper ball 20, the label 26 is connected with the position right above the pull cover 1, and the spring 27 is connected with the position right above the seal seat 14.

The pull rod 5 and the pull cap 2 form a lifting structure through the nut 7, the sum of the length of the pull rod 5 and the length of the pull cap 2 is two thirds of the length of the valve body 23, the interior of the valve body 23 is sealed through the pull rod 5, and the stability of the valve body 23 for daily gas conveying is ensured.

The longitudinal section of the valve cover 6 is of a round table structure, the valve cover 6 and the valve body 23 form a dismounting and mounting structure through the paper gasket 9 and the tympanic membrane 10, the length of the paper gasket 9 is larger than that of the valve body 23, the top of the valve cover 6 is sealed through the paper gasket 9 and the tympanic membrane 10, and the sealing performance of the valve cover 6 and the valve body 23 is improved.

The magnet 12 is connected with the M3 screw 11 in a nested manner, the magnet 12 is connected with the sealing seat 14 through the rubber flat pad 15, the diameter of the rubber flat pad 15 is larger than that of the air outlet 22, the output end of the air outlet 22 is blocked through the rubber flat pad 15, and the safety of gas use is ensured.

M4 screw 16, handle 17, copper valve core 18 and red cap 25 constitute rotating-structure, and M4 screw 16 installs inside handle 17 to be provided with copper valve core 18 under the handle 17, be connected with red cap 25 directly over M4 screw 16 moreover, be convenient for through artifical control to handle 17, promote the flexibility of device daily operation and control.

Valve body 23, outlet nozzle 22 and super flow protector 24 constitute the block structure, and the outside of valve body 23 is run through and has been seted up outlet nozzle 22, and the internally mounted of valve body 23 has super flow protector 24, and the outside of outlet nozzle 22 adopts the screw thread column structure moreover, carries out real-time supervision to the gas flow through super flow protector 24, ensures the sensitive reliability of the daily use of valve body 23.

The working principle is as follows: when the pipeline gas safety self-closing valve is used, as shown in fig. 1 and 3, an operator firstly connects the left side of a valve body 23 with a gas pipeline, then connects an air outlet nozzle 22 on the right side of the valve body 23 with a gas rubber pipe, then holds a handle 17, the handle 17 drives a copper valve core 18 to rotate through an outer side M4 screw 16, the copper valve core 18 drives a copper ball 20 to rotate, so that the inside of the air outlet nozzle 22 is opened, natural gas is directly discharged out of the valve body 23 through the air outlet nozzle 22, the copper ball 20 blocks a residual gap through an outer side 0-shaped ring 19 and a plastic king 21, and the phenomenon that the residual natural gas inside the valve body 23 overflows when the air outlet nozzle 22 is closed by the copper ball 20 is avoided;

according to fig. 1 and 3, the over-flow protector 24 measures the natural gas led into the valve body 23, when the over-flow protector 24 detects that the flow of the natural gas is lower than a normal value, the cap 2 is driven to move downwards by the pull cap 1, the pull rod 5 below the cap 2 is driven to move downwards by the pull rod, the magnet 12 and the rubber flat pad 15 are moved downwards by the pull rod 5 through the M3 screw 11 on the outer side, the gas transmission pipeline is blocked by the rubber flat pad 15, the 801 iron pad 8 and the paper pad 9 perform sealing treatment on the inside of the valve body 23, the sealing seat 14 seals the blockage by the natural gas, and the natural gas remained in the valve body 23 is prevented from overflowing.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a pipeline gas safety self-closing valve, is including drawing lid (1), nut (7), M4 screw (16), 0 type circle (19) and valve body (23), its characterized in that: the pull cap is characterized in that a pull cap (2) is connected under the pull cap (1), a clamp spring (3) is arranged inside the pull cap (2), an iron gasket (4) is connected under the clamp spring (3), a pull rod (5) is connected under the iron gasket (4), a valve cover (6) is arranged outside the nut (7), an 801 iron gasket (8) is connected under the nut (7), paper gaskets (9) are arranged on the left side and the right side of the 801 iron gasket (8), eardrums (10) are arranged under the paper gaskets (9), M3 screws (11) are arranged inside the valve body (23), magnets (12) are connected outside the M3 screws (11), an iron cover (13) is connected under the magnets (12), a sealing seat (14) is connected under the iron cover (13), and a rubber flat gasket (15) is clamped under the sealing seat (14), the outer side of the 0-shaped ring (19) is connected with a copper ball (20) in an embedded mode, the bottom of the copper ball (20) is connected with a plastic king (21), a label (26) is connected right above the pull cover (1), and a spring (27) is connected right above the sealing seat (14).

2. The pipeline gas safety self-closing valve according to claim 1, characterized in that: the pull rod (5) and the pull cap (2) form a lifting structure through a nut (7), and the sum of the length of the pull rod (5) and the length of the pull cap (2) is two thirds of the length of the valve body (23).

3. The pipeline gas safety self-closing valve according to claim 1, characterized in that: the longitudinal section of the valve cover (6) is of a round table-shaped structure, the valve cover (6) and the valve body (23) form a dismounting and mounting structure through the paper gasket (9) and the tympanic membrane (10), and the length of the paper gasket (9) is larger than that of the valve body (23).

4. The pipeline gas safety self-closing valve according to claim 1, characterized in that: the magnet (12) is connected with the M3 screw (11) in a nested mode, the magnet (12) is connected with the sealing seat (14) through the rubber flat pad (15), and the diameter of the rubber flat pad (15) is larger than that of the air outlet nozzle (22).

5. The pipeline gas safety self-closing valve according to claim 1, characterized in that: the M4 screw (16), the handle (17), the copper valve core (18) and the red cap (25) form a rotating structure, the M4 screw (16) is installed inside the handle (17), the copper valve core (18) is arranged right below the handle (17), and the red cap (25) is connected right above the M4 screw (16).

6. The pipeline gas safety self-closing valve according to claim 1, characterized in that: the valve body (23), the air outlet nozzle (22) and the super-flow protector (24) form a clamping structure, the air outlet nozzle (22) penetrates through the outer side of the valve body (23), the super-flow protector (24) is installed inside the valve body (23), and the outer side of the air outlet nozzle (22) is of a threaded structure.