CN212107153U

CN212107153U - Valve device for gas pipe

Info

Publication number: CN212107153U
Application number: CN202020221452.3U
Authority: CN
Inventors: 黄福全
Original assignee: Individual
Current assignee: Hangzhou Zhenda Metal Technology Co ltd
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-12-08
Anticipated expiration: 2030-02-27

Abstract

The utility model discloses a valving for gas pipe, including upper pipe way and lower pipeline, the right-hand member fixedly connected with gas chamber of upper pipe way, lower pipeline fixed connection are at the left end of gas chamber bottom, the equal fixedly connected with connection pad around the left end of upper pipe way and the bottom of lower pipeline, it has the fixed orifices to open around the connection pad, and the one end fixedly connected with sealing port of connection pad, the inside in gas chamber is equipped with the piston, open on the surface of piston has two oil rings, and the middle part fixedly connected with rubber bulge of oil ring. The utility model discloses a gas leak testing device through gas chamber right-hand member detects whether there is the gas leakage phenomenon, when leaking gas, gives the warning light with the signal, makes the warning light scintillation to reach the effect of watching gas leakage state in real time, the baroceptor at gas chamber top detects the atmospheric pressure in the cavity, and the fuel passes through the connecting wire and gives the gas table, thereby makes people conveniently look over the pressure value that the gas was through the time.

Description

Valve device for gas pipe

Technical Field

The utility model relates to a natural gas technical field specifically is a valve gear for gas pipe.

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). The gas gate valve is a device for opening and closing a pipeline passage or adjusting medium flow in a pipeline, is a main cutting device and an adjusting device on the gas pipeline, is a control part in a fluid conveying system, and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting, overflowing, 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. Therefore, it is required to be safe, reliable and durable, to ensure tightness and no leakage of gas when the valve is closed in production operation, to cut off the gas source during maintenance, to avoid the possibility of leakage into the gas-stopping side, to ensure long-term service life in consideration of wear resistance and corrosion resistance, and to control the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil, liquid metal, radioactive media, and the like. The valves are further classified into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316, etc.), chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves, etc. according to the material.

The existing gas pipe valve is not provided with an air pressure detection device and a leakage alarm device, so that certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve device for gas pipe to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a valve device for a gas pipe comprises an upper pipeline and a lower pipeline, wherein a gas cavity is fixedly connected at the right end of the upper pipeline, the lower pipeline is fixedly connected at the left end of the bottom of the gas cavity, connecting discs are fixedly connected at the left end of the upper pipeline and the periphery of the bottom of the lower pipeline, fixing holes are formed in the peripheries of the two connecting discs, one ends of the two connecting discs are fixedly connected with sealing ports, a piston is arranged in the gas cavity, two oil rings are arranged on the surface of the piston, a rubber bulge is fixedly connected at the middle part of each oil ring, the two rubber bulges and the outer wall of the piston are in sliding connection with the inner wall of the gas cavity, a rubber clamping block is fixedly connected at the left end of the piston, a groove matched with the rubber clamping block is formed in the right end of the upper pipeline, a stud is fixedly connected at the right end of the piston, and a threaded, the double-screw bolt runs through out the gas chamber and with the screw thread mouth threaded connection of gas chamber right-hand member, the right-hand member fixedly connected with gas leakage detection device in gas chamber, gas leakage detection device's right-hand member fixedly connected with warning light, the warning light runs through to the surface in gas chamber, open at the top of gas chamber left end has the joint mouth, the joint has baroceptor in the joint mouth, the top in gas chamber is equipped with the gas table, the bottom fixedly connected with connecting rod of gas table, the bottom of connecting rod is pegged graft with the slot at gas chamber top, fixed connection connecting wire between baroceptor and the gas table.

Preferably, the lower pipeline and the upper pipeline and the lower pipeline and the gas cavity are welded through connecting blocks.

Preferably, six fixing holes are formed in the periphery of each of the two connecting discs.

Preferably, a circle of fixing ribs are fixedly connected to the periphery of the sealing opening, and the two fixing ribs are made of rubber.

Preferably, the two oil rings are filled with lubricating oil.

Preferably, the right end of the stud is fixedly connected with a rotating button.

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

(1) the gas leakage detection device at the right end of the gas cavity detects whether a gas leakage phenomenon exists or not, and when the gas leakage phenomenon exists, a signal is transmitted to the alarm lamp to enable the alarm lamp to flicker, so that the effect of watching the gas leakage state in real time is achieved;

(2) the utility model discloses a baroceptor through gas chamber top detects the atmospheric pressure in the cavity, and the fuel passes to the gas table through the connecting wire to make people conveniently look over the pressure value of gas through the time.

Drawings

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

fig. 2 is a side view of the present invention;

fig. 3 is a partially enlarged view of fig. 1A.

In the figure: the gas leakage detection device comprises an upper pipeline 1, a lower pipeline 2, a gas cavity 3, a connecting disc 4, a fixing hole 401, a sealing port 5, a fixing rib 501, a piston 6, an oil ring 601, a stud 7, a rotating button 701, a gas leakage detection device 8, an alarm lamp 9, a gas pressure sensor 10 and a gas meter 11.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a valve device for a gas pipe comprises an upper pipe 1 and a lower pipe 2, wherein the lower pipe 2 is welded with the upper pipe 1 and the lower pipe 2 is welded with a gas cavity 3 through connecting blocks, so that the upper pipe 1 and the lower pipe 2 are fixed more firmly without generating cracks to affect safe use, the right end of the upper pipe 1 is fixedly connected with the gas cavity 3, the lower pipe 2 is fixedly connected with the left end of the bottom of the gas cavity 3, connecting discs 4 are fixedly connected with the left end of the upper pipe 1 and the periphery of the bottom of the lower pipe 2, so that the gas pipe is mounted more firmly, six fixing holes 401 are arranged around the two connecting discs 4, one ends of the two connecting discs 4 are fixedly connected with a sealing port 5, a circle of fixing ribs 501 are fixedly connected with the periphery of the sealing port 5, the two fixing ribs 501 are made of rubber, and the sealing performance of the gas pipe mounting can be enhanced by arranging the fixing ribs 501, the gas leakage prevention device is characterized in that a piston 6 is arranged in a gas cavity 3, two oil rings 601 are arranged on the surface of the piston 6, lubricating oil is filled in the two oil rings 601, rubber bulges are fixedly connected to the middle parts of the two oil rings 601, the outer walls of the two rubber bulges and the piston 6 are slidably connected with the inner wall of the gas cavity 3, a rubber clamping block is fixedly connected to the left end of the piston 6, a groove matched with the rubber clamping block is formed in the right end of an upper pipeline 1, a stud 7 is fixedly connected to the right end of the piston 6, a rotating button 701 is fixedly connected to the right end of the stud 7, the gas cavity 3 is convenient for people to use, a threaded opening is formed in the right end of the gas cavity 3, the stud 7 penetrates out of the gas cavity 3 and is in threaded connection with the threaded opening at the right end of the gas cavity 3, a gas leakage detection device 8 is fixedly connected to the right end, open at the top of 3 left ends in gas chamber has the joint mouth, the joint has baroceptor 10 in the joint mouth, the top in gas chamber 3 is equipped with gas table 11, gas table 11's bottom fixedly connected with connecting rod, the bottom of connecting rod is pegged graft with the slot at 3 tops in gas chamber, fixed connection connecting wire between baroceptor 10 and the gas table 11, gas leakage detection device 8 through 3 right-hand members in gas chamber detects whether there is the gas leakage phenomenon, when leaking gas, pass the signal to warning light 9, make warning light 9 glimmer, thereby reach the effect of watching gas leakage state in real time, baroceptor 10 through gas chamber 3 tops detects the atmospheric pressure in the cavity, the fuel passes to gas table 11 through the connecting wire, thereby make people conveniently look over the gas pressure value when passing through.

The working principle is as follows: when the valve gear who is used for the gas pipe uses, whether gas leakage detection device 8 through 3 right-hand members in gas chamber detects there is the gas leakage phenomenon, when gas leakage, pass the signal to warning light 9, make warning light 9 scintillation, thereby reach the effect of watching gas leakage state in real time, atmospheric pressure in the baroceptor 10 detection cavity through 3 tops in gas chamber, the fuel passes to gas table 11 through the connecting wire, thereby make people conveniently look over the gas pressure value when through.

To sum up, the utility model discloses a gas leakage detection device of gas chamber right-hand member detects whether there is the gas leakage phenomenon, when gas leakage, gives the warning light with the signal, makes the warning light scintillation to reach the effect of watching gas leakage state in real time, detect the atmospheric pressure in the cavity through the baroceptor at gas chamber top, the fuel passes through the connecting wire and gives the gas table, thereby makes people conveniently look over the pressure value that the gas was through the time.

Claims

1. A valve device for a gas pipe, comprising an upper pipe (1) and a lower pipe (2), characterized in that: the gas-fired boiler is characterized in that a gas cavity (3) is fixedly connected to the right end of the upper pipeline (1), the lower pipeline (2) is fixedly connected to the left end of the bottom of the gas cavity (3), connecting discs (4) are fixedly connected to the left end of the upper pipeline (1) and the periphery of the bottom of the lower pipeline (2), fixing holes (401) are formed in the peripheries of the two connecting discs (4), one ends of the two connecting discs (4) are fixedly connected with sealing ports (5), a piston (6) is arranged in the gas cavity (3), two oil rings (601) are arranged on the surface of the piston (6), rubber bulges are fixedly connected to the middles of the two oil rings (601), the outer walls of the two rubber bulges and the piston (6) are slidably connected with the inner wall of the gas cavity (3), a rubber clamping block is fixedly connected to the left end of the piston (6), a groove matched with the rubber clamping block is formed in the right end of the upper, the right end of the piston (6) is fixedly connected with a stud (7), the right end of the gas cavity (3) is provided with a threaded port, the stud (7) penetrates through the gas outlet cavity (3) and is in threaded connection with a threaded port at the right end of the gas outlet cavity (3), the right end of the gas cavity (3) is fixedly connected with a gas leakage detection device (8), the right end of the gas leakage detection device (8) is fixedly connected with an alarm lamp (9), the alarm lamp (9) penetrates through the outer surface of the gas cavity (3), the top of the left end of the gas cavity (3) is provided with a clamping interface, an air pressure sensor (10) is clamped in the clamping port, a gas meter (11) is arranged at the top of the gas cavity (3), the bottom of the gas meter (11) is fixedly connected with a connecting rod, the bottom of the connecting rod is inserted into the slot at the top of the gas cavity (3), and a connecting wire is fixedly connected between the gas pressure sensor (10) and the gas meter (11).

2. A valve arrangement for a gas line as claimed in claim 1, wherein: the lower pipeline (2) and the upper pipeline (1) and the lower pipeline (2) and the gas cavity (3) are welded through connecting blocks.

3. A valve arrangement for a gas line as claimed in claim 1, wherein: six fixing holes (401) are formed around the two connecting discs (4).

4. A valve arrangement for a gas line as claimed in claim 1, wherein: a circle of fixing ribs (501) are fixedly connected to the periphery of the sealing opening (5), and the two fixing ribs (501) are made of rubber.

5. A valve arrangement for a gas line as claimed in claim 1, wherein: the two oil rings (601) are filled with lubricating oil.

6. A valve arrangement for a gas line as claimed in claim 1, wherein: the right end of the stud (7) is fixedly connected with a rotating button (701).