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Valve structure and one-way valve

A technology of valve and connection structure, which is applied in the direction of the valve housing structure, the parts in contact between the valve element and the valve seat, and the control valve. It can solve the problems of high damage rate and ineffective disconnection of the valve, so as to reduce damage rate, Achieve effective disconnection and reduce damage

Active Publication Date: 2021-04-27
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a valve structure and a one-way valve to alleviate the technical problems that the valve in the gas circuit cannot be effectively disconnected and the damage rate is high

Method used

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  • Valve structure and one-way valve
  • Valve structure and one-way valve
  • Valve structure and one-way valve

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0109] Such as image 3 and Figure 6As shown, the present invention provides a valve structure, comprising: a valve body 10, which is provided with a fluid channel 11; a valve column 20, which is movably connected in the fluid channel 11; the valve column 20 is provided with an annular protrusion 30, and the valve column The inner wall of the body 10 is provided with an abutting structure 40 that matches the annular protrusion 30, and the valve column 20 can move relative to the valve body 10 until the annular protrusion 30 abuts against the abutting structure 40, so that the fluid passage 11 is closed. . A groove 31 is formed on the end surface of the spool 20 , and an annular protrusion 30 is formed on an edge of the groove 31 .

[0110] The valve structure cooperates with the abutting structure 40 on the valve body 10 through the annular protrusion 30 to realize the sealing between the valve column 20 and the valve body 10 and the disconnection of the fluid channel 11 . ...

Embodiment 2

[0134] Such as image 3 and Figure 6 As shown, the present invention provides a valve structure, comprising: a valve body 10, which is provided with a fluid channel 11; a valve column 20, which is movably connected in the fluid channel 11; With the first matching structure 400, the valve column 20 can move relative to the valve body 10 to abut against the first matching structure 400, so that the fluid channel 11 is closed; the fluid channel 11 is provided with a pore structure column 60, and the pore structure column The body 60 is located on a side of the first matching structure 400 away from the spool 20 .

[0135] The airflow usually contains solid particles, and the solid particles carried by the high-speed airflow will cause relatively strong damage to the wall. In the valve structure provided by the present invention, the pore structure cylinder 60 can block solid particles on the one hand, and on the other hand, high-speed gas flows through the complex pores in the...

Embodiment 3

[0144] Such as image 3 , Figure 6 and Figure 7 As shown, the present invention provides a valve structure, comprising: a valve body 10, which is provided with a fluid channel 11; a valve column 20, which is movably connected in the fluid channel 11; the valve column 20 is provided with an annular protrusion 30, and the valve column The inner wall of the body 10 is provided with an abutting structure 40 that matches the annular protrusion 30, and the valve column 20 can move relative to the valve body 10 until the annular protrusion 30 abuts against the abutting structure 40, so that the fluid passage 11 is closed. . A groove 31 is formed on the end surface of the spool 20 , and an annular protrusion 30 is formed on an edge of the groove 31 . A pore structure column 60 is disposed in the fluid channel 11 , and the pore structure column 60 is located on a side of the abutting structure 40 away from the valve column 20 .

[0145] The valve structure has the following advan...

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Abstract

The invention provides a valve structure and a one-way valve. The valve structure comprises a valve body and a valve column, wherein the valve body is provided with a runner channel; the valve column is movably connected in the runner channel and is provide with an annular bump, the inner wall of the valve body is provided with an abutting structure matched with the annular bump, and the valve column can move relative to the valve body till the annular bump abuts against the abutting structure to close the runner channel. According to the invention, the technical problem of high damage rate due to a condition that the valve in a gas circuit cannot be disconnected easily is alleviated.

Description

technical field [0001] The invention relates to the technical field of gas path control valves, in particular to a valve structure and a one-way valve. Background technique [0002] Gas flooding technology is an advantageous technology in the late stage of water flooding development and the development of low-permeability reservoirs; in the process of gas flooding, it is necessary to control the connection and disconnection of gas passages. basically the same. Taking the one-way valve as an example, the one-way valve used in the air circuit is a spring type. When the air flow direction is opposite, the gas compresses the valve column to seal it with the valve wall, and the gas path is disconnected; when connected, the gas overcomes the elasticity of the spring. Force, so that the valve column is no longer sealed, forming a gas flow path; after the gas path is connected, the valve column remains open, and the fluid flows through the gap. In the actual application process, t...

Claims

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Application Information

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IPC IPC(8): F16K15/02F16K47/08F16K47/04F16K47/02F16K27/02F16K25/00F16K25/04
CPCF16K15/026F16K15/028F16K47/08F16K47/04F16K47/02F16K27/0272F16K27/0209F16K25/005F16K25/04
Inventor 陈兴隆许建国林海波张成明杨永智
Owner PETROCHINA CO LTD
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