CN219472838U

CN219472838U - Mounting structure of pipeline gas self-closing valve

Info

Publication number: CN219472838U
Application number: CN202320707532.3U
Authority: CN
Inventors: 张亚鹏; 尚俊霞; 张亚楠
Original assignee: Henan Shengtang Gas Safety Equipment Co ltd
Current assignee: Henan Shengtang Gas Safety Equipment Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-08-04
Anticipated expiration: 2033-04-03

Abstract

The utility model discloses a mounting structure of a pipeline gas self-closing valve, which comprises a self-closing valve, wherein the top and the bottom of the self-closing valve are connected with a connecting pipe, the outer ring of the top of the connecting pipe is sleeved with a clamping ring, the top of the connecting pipe is connected with a telescopic pipe, the outer ring of the telescopic pipe is sleeved with a connecting piece, the bottom of an inner cavity of the connecting piece is fixedly provided with a limiting block, the inner cavity of the limiting block is provided with a ball groove, the inner cavity of the ball groove is provided with a ball, the inner cavity of the connecting piece is sleeved with a first fixed block, the bottom of the first fixed block is provided with a fixed pipe, the bottom of the fixed pipe is provided with a second fixed block, and the top of the connecting piece is sleeved with a gas pipe. Through the cooperation of stopper, ball groove and ball, can make the orientation of self-closing valve keep ideal position, when the gas pipe is uncontrolled to rotate, the ball rotates at the connecting pipe outer lane, avoids the self-closing valve of connecting the connecting pipe bottom to rotate simultaneously, and similarly, when self-closing valve position is not ideal, can also rotate the connecting pipe through the ball.

Description

Mounting structure of pipeline gas self-closing valve

Technical Field

The utility model relates to the technical field of pipeline gas, in particular to a mounting structure of a pipeline gas self-closing valve.

Background

The self-closing valve for pipeline gas is installed on the pipeline of low-pressure gas system, and when the gas supply pressure of pipeline is under-pressure or over-pressure, it can be automatically closed and opened manually without using electricity or other external power. The self-closing valve arranged at the joint of the tail end of the pipeline and the rubber pipe behind the gas meter has the function of pressure loss and closing. The pipeline gas self-closing valve is suitable for pipeline natural gas, liquefied petroleum gas and artificial gas.

At present, the self-closing valve technology is mature, but because the gas pipeline is hard in material, the pipeline is generally arranged on the wall, the self-closing valve can be influenced by the pipeline to face the direction when being connected with the gas pipeline, and the situation that the direction of a switch of the self-closing valve is opposite to that of a user often occurs, so that the self-closing valve is inconvenient to adjust.

Disclosure of Invention

The utility model aims to provide a mounting structure of a pipeline gas self-closing valve, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: including the self-closing valve, the top bottom of self-closing valve is connected with the connecting pipe, the snap ring has been cup jointed to the top outer lane of connecting pipe, the top of connecting pipe is connected with flexible pipe, the connecting piece has been cup jointed to the outer lane of flexible pipe, the fixed stopper that is provided with in inner chamber bottom of connecting piece, the ball groove has been seted up to the inner chamber of stopper, the inner chamber in ball groove is provided with the ball, first fixed block has been cup jointed to the inner chamber of connecting piece, the bottom of first fixed block is provided with the fixed pipe, the bottom of fixed pipe is provided with the second fixed block, the gas pipe has been cup jointed at the top of connecting piece, the screw thread has been cup jointed to the outer lane of gas pipe, the external screw thread has been seted up to the outer lane of screw thread, the internal thread has been seted up to the top inner chamber of connecting piece.

Preferably, the external thread is connected with the internal thread, the screw thread is connected with the gas pipe, the first fixed block and the second fixed block are consistent in size, the top and the bottom of the fixed pipe are clamped, and the bottom of the fixed pipe is connected with the telescopic pipe.

Preferably, the limiting block is perpendicular to the clamping ring and located below the clamping ring, the connecting pipe is sleeved on the outer ring of the limiting block, and the ball is movable on the outer ring of the connecting pipe.

Preferably, the top end of the screw thread is not opened.

Preferably, the connecting pipe is made of stainless steel, and the telescopic pipe is made of fluororubber.

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

1. this mounting structure of pipeline gas self-closing valve uses through the cooperation of stopper, ball groove and ball, can make the orientation of self-closing valve keep ideal position, and when gas pipe uncontrolled rotation, the ball rotates at the connecting pipe outer lane, avoids the self-closing valve of connecting pipe bottom connection to rotate simultaneously, and in the same way, when self-closing valve position is not ideal, can rotate the connecting pipe through the ball equally.

2. This mounting structure of pipeline gas self-closing valve uses through the cooperation of flexible pipe, connecting piece, stopper and fixed pipe, can provide certain flexible distance when the gas pipe is flexible, avoid the connection to appear the gap and lead to gas leakage, when connecting piece and gas pipe pass through threaded connection, first fixed block and second fixed block pass through the flexible pipe of fixed pipe drive and cup joint the gas pipe, provide dual leakage protection to the connection of gas pipe and self-closing valve, receive the thermal expansion shrinkage influence of gas pipe, the connection of self-closing valve and gas pipe can become flexible, flexible pipe can provide certain flexible distance this moment.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

FIG. 2 is a partially disassembled schematic illustration of the structure of the present utility model.

FIG. 3 is a schematic bottom view of the structural connector 5 of the present utility model;

fig. 4 is a cross-sectional view of the gas pipe of the present utility model.

In the figure: 1. a self-closing valve; 2. a connecting pipe; 3. a clasp; 4. a telescopic tube; 5. a connecting piece; 6. a limiting block; 7. a ball groove; 8. a ball; 9. a first fixed block; 10. a fixed tube; 11. a second fixed block; 12. a gas pipe; 13. an external thread; 14. threading; 15. and (5) an internal thread.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a mounting structure of pipeline gas self-closing valve, including self-closing valve 1, the top bottom of self-closing valve 1 is connected with connecting pipe 2, snap ring 3 has been cup jointed on the top outer lane of connecting pipe 2, the top of connecting pipe 2 is connected with flexible pipe 4, connecting piece 5 has been cup jointed on the outer lane of flexible pipe 4, the inner chamber bottom of connecting piece 5 is fixed to be provided with stopper 6, ball groove 7 has been seted up to the inner chamber of stopper 6, ball groove 7's inner chamber is provided with ball 8, first fixed block 9 has been cup jointed in the inner chamber of connecting piece 5, the bottom of first fixed block 9 is provided with fixed pipe 10, the bottom of fixed pipe 10 is provided with second fixed block 11, gas pipe 12 has been cup jointed at the top of connecting piece 5, screw thread 14 has been cup jointed on the outer lane of gas pipe 12, external screw thread 13 has been seted up to the outer lane of screw thread 14, internal thread 15 has been seted up to the top inner chamber of connecting piece 5.

The external thread 13 is connected with the internal thread 15, the screw thread 14 is connected with the gas pipe 12, the first fixing block 9 and the second fixing block 11 are consistent in size, the top and the bottom of the fixing pipe 10 are clamped, and the bottom of the fixing pipe 10 is connected with the telescopic pipe 4.

In this embodiment, the screw thread 14 is used for connecting the connecting piece 5 and the gas pipe 12, when the connecting piece 5 and the gas pipe 12 are connected through threads, the first fixing block 9 and the second fixing block 11 drive the telescopic pipe 4 to be sleeved with the gas pipe 12 through the fixing pipe 10, dual air leakage protection is provided for the connection of the gas pipe 12 and the self-closing valve 1, the connection of the self-closing valve 1 and the gas pipe 12 is possibly loosened under the influence of thermal expansion and contraction of the gas pipe 12, and at the moment, the telescopic pipe 4 can provide a certain telescopic distance to avoid the occurrence of air leakage.

The limiting block 6 is perpendicular to the clamping ring 3 and located below the clamping ring 3, the connecting pipe 2 is sleeved on the outer ring of the limiting block 6, and the ball 8 moves on the outer ring of the connecting pipe 2.

In this embodiment, the connecting piece 5 passes through stopper 6 and connecting pipe 2 joint, and after connecting piece 5 and the 14 joint of screw thread, when gas pipe 12 uncontrolled rotation, ball 8 rotates at connecting pipe 2 outer lane, avoids the self-closing valve 1 that connecting pipe 2 bottom is connected to rotate simultaneously, and similarly, when self-closing valve 1 position is not ideal, can rotate connecting pipe 2 through ball 8 equally for self-closing valve 1 on-off position faces the user.

Wherein the top end of the screw thread 14 is not opened.

In this embodiment, the top of the screw thread 14 is a metal ring, so as to avoid the elastic loss of the telescopic tube 4 caused by the too high position of the connecting piece 5.

Wherein, the material of connecting pipe 2 is stainless steel, and the material of flexible pipe 4 is fluororubber.

In this embodiment, the fluororubber has sufficient heat resistance, oxidation resistance, oil resistance, corrosion resistance and atmospheric aging resistance, and in a natural state, the diameter of the telescopic tube 4 is smaller than that of the gas tube 12, and when the fluororubber is connected, the gas tube 12 enters the telescopic tube 4 through the fixing tube 10 to expand the diameter of the telescopic tube 4, so that the sealing performance is good.

Working principle: during the use, place connecting pipe 2 in the bottom of gas pipe 12, connecting piece 5 that this moment cup jointed connecting pipe 2 outer lane upwards moves, until connecting piece 5 and screw thread 14 contact, this moment can be with connecting piece 5 and screw thread 14's fixed position through the connection of internal thread 15 and external screw thread 13, when connecting piece 5 risees, the fixed pipe 10 that sets up of its inner chamber first fixed block 9 and second fixed block 11 then can drive flexible pipe 4 through its intermediate joint, connecting piece 5 and screw thread 14 threaded connection accomplish, flexible pipe 4 cup joints the outer lane of gas pipe 12 simultaneously, play dual leakage protection effect to the connection of gas pipe 12 and self-closing valve 1, simultaneously through the use of flexible pipe 4, can receive gas pressure size influence at gas pipe 12, when leading to the shape shrink change, can provide certain telescopic distance, avoid the gas to reveal, lead to unnecessary dangerous the emergence, the inner chamber bottom of connecting piece 5 is provided with stopper 6, stopper 6 is used for connecting piece 5 to be unlikely to drop at connecting pipe 2, the top of 2 is provided with 3, connecting piece 5 is at the stopper 5 risen to 6, when 3, can not continue to rotate the ball through the stopper ring 7 when connecting piece 5 rises to 6, can not rotate the ball and the ball is realized at the time of the inner wall 8, the ball is connected through the ball groove is realized at the connecting piece 1, the ball is connected through the ball groove is realized, the connecting piece is 12, simultaneously, can be realized through the ball groove is realized, the ball and is connected through the connecting piece is 12, the ball is realized, the connecting piece is connected, and is connected, can be realized by the ball and is realized by the ball 5, and can be changed, can and can be realized.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mounting structure of pipeline gas self-closing valve, includes self-closing valve (1), its characterized in that: the top bottom of self-closing valve (1) is connected with connecting pipe (2), snap ring (3) have been cup jointed on the top outer lane of connecting pipe (2), the top of connecting pipe (2) is connected with flexible pipe (4), connecting piece (5) have been cup jointed on the outer lane of flexible pipe (4), the inner chamber bottom of connecting piece (5) is fixed to be provided with stopper (6), ball groove (7) have been seted up to the inner chamber of stopper (6), the inner chamber of ball groove (7) is provided with ball (8), first fixed block (9) have been cup jointed to the inner chamber of connecting piece (5), the bottom of first fixed block (9) is provided with fixed pipe (10), the bottom of fixed pipe (10) is provided with second fixed block (11), gas pipe (12) have been cup jointed at the top of connecting piece (5), the outer lane of gas pipe (12) has cup jointed screw thread (14).

2. The mounting structure of a pipeline gas self-closing valve according to claim 1, wherein: the screw thread (14) is connected with the gas pipe (12) through the external thread (13) and the internal thread (15).

3. The mounting structure of a pipeline gas self-closing valve according to claim 1, wherein: the limiting block (6) is perpendicular to the clamping ring (3) and located below the clamping ring (3), the connecting pipe (2) is sleeved on the outer ring of the limiting block (6), and the ball (8) moves on the outer ring of the connecting pipe (2).

4. The mounting structure of a pipeline gas self-closing valve according to claim 1, wherein: the top end of the screw thread (14) is not opened.

5. The mounting structure of a pipeline gas self-closing valve according to claim 1, wherein: the connecting pipe (2) is made of stainless steel, and the telescopic pipe (4) is made of fluororubber.

6. The mounting structure of a pipeline gas self-closing valve according to claim 1, wherein: the first fixing block (9) and the second fixing block (11) are identical in size, the top and the bottom of the fixing tube (10) are clamped, and the bottom of the fixing tube (10) is connected with the telescopic tube (4).

7. The mounting structure of a pipeline gas self-closing valve according to claim 1, wherein: an outer ring of the screw thread (14) is provided with an external thread (13), and a top inner cavity of the connecting piece (5) is provided with an internal thread (15).