Gas pipeline joint

A technology for gas pipelines and connecting pipes, which is applied in the directions of pipes/pipe joints/fittings, sealing surface connections, passing elements, etc., which can solve the problems of extremely high sealing and reliability requirements, complicated structure of pipe joints, and low safety and reliability. , to achieve the effect of low cost, good sealing effect and long service life

Inactive Publication Date: 2011-04-13
WUXI JINYANG PIPING FITTING
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0002] As we all know, the pipeline joint is an indispensable connection in the process of laying gas pipelines. It is used to seal the connection of two gas pipelines. If the gas leakage is caused by the poor sealing of the pipeline joints, it may cause a major safety accident. Therefore, The requirements for sealing and reliability are extremely high. Traditional pipe joints generally have the disadvantages of complex structure, poor sealing effect and low safety and reliability.

Method used

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Embodiment Construction

[0013] Please refer to figure 1 as shown, figure 1 It is a schematic diagram of the structure of the gas pipeline joint of the present invention. In this embodiment, a gas pipeline joint includes a body 1, a connecting pipe 5 communicating with the body 1 is installed on the body 1, and the body 1 The inner edges of both ends are inclined plane structures. A wedge-shaped sealing ring 4 is provided at the joint between the body 1 and the outer circle of the connecting pipe 5. The wedge-shaped sealing ring 4 is made of rubber material, and the wedge-shaped sealing ring 4 is placed by the body. 1. In the cavity formed by the inclined surface at the end, the fastening nut 2 and the connecting pipe 5, by tightening the fastening nut 2, the inclined surface of the fastening nut 2 presses the wedge-shaped sealing ring 4, so that the wedge-shaped sealing ring 4 produces elastic deformation and squeezes the body 1 bevel and fastening nut 2 bevel and the outer circle of the connecting ...

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Abstract

The invention discloses a gas pipeline joint. The gas pipeline joint comprises a body, wherein a connection pipe communicated with the body is arranged on the body; the inner edges at two ends of the body have a bevel structure; a sealing ring and a pull-out resisting ring are arranged at a joint of the body and the excircle of the connection pipe; the sealing ring is a wedge-shaped rubber sealing ring; the wedge-shaped rubber sealing ring is arranged in a cavity formed by bevels at the end of the body, a clamp nut and the connection pipe; the clamp nut is screwed to ensure that the connection pipe slides relative to the body without causing leakage; the pull-out resisting ring is an open wedge-shaped nylon ring; and the clamp nut is screwed so as to prevent the connection pipe from being pulled out of the body to cause leakage. The gas pipeline joint has the advantages of simple structure, low cost, good sealing effect, high safety factor and long service life.

Description

technical field [0001] The invention relates to a pipe joint, in particular to a gas pipe joint with good sealing effect. Background technique [0002] As we all know, the pipeline joint is an indispensable connection in the process of laying gas pipelines. It is used to seal the connection of two gas pipelines. If the gas leakage is caused by the poor sealing of the pipeline joints, it may cause a major safety accident. Therefore, The requirements for sealing and reliability are extremely high. Traditional pipe joints generally have the disadvantages of complex structure, poor sealing effect and low safety and reliability. Contents of the invention [0003] The object of the present invention is to provide a gas pipeline joint, which has the characteristics of simple structure, good sealing effect, safety and reliability. [0004] The purpose of the present invention is to realize through the following technical solutions: [0005] A gas pipeline joint, which includes a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L19/03
Inventor 王锡铭
Owner WUXI JINYANG PIPING FITTING
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