Center line butterfly valve seat fixing structure for pipeline tail end

A fixed structure, butterfly valve technology, applied in the direction of lift valve, valve device, engine components, etc., can solve the problems of unusable, falling off, damage to the center line butterfly valve, etc., and achieve the effect of simple manufacturing, simple and practical structure

Inactive Publication Date: 2014-07-02
天津沃尔德阀门有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a centerline butterfly valve seat fixing structure used at the end of the pipeline to solve the problem in the prior art that after the centerline butterfly valve has been used for a long time, the valve seat will partly fall out or even fall off along the direction of force , resulting in the damage of the centerline butterfly valve and the problem that it cannot be used

Method used

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  • Center line butterfly valve seat fixing structure for pipeline tail end
  • Center line butterfly valve seat fixing structure for pipeline tail end

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Embodiment Construction

[0010] In order to make the purpose, technical solutions and beneficial effects of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the protection scope of the present invention.

[0011] The invention discloses a centerline butterfly valve seat fixing structure used at the end of a pipeline. The fixing structure includes a valve seat fixing hole and fixing bolts. There are a plurality of valve seat fixing holes, which are arranged between adjacent fixing blocks of the valve body. On the wall of the valve body between them, the number of the fixing bolts is the same as the number of the fixing holes of the valve seat, and the fixing bolts are screwed into the fixing holes of the valve seat to be in contact with the valve seat.

[0012] When in use, th...

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Abstract

The invention discloses a center line butterfly valve seat fixing structure for a pipeline tail end. The fixing structure comprises a plurality of valve seat fixing holes and fixing bolts. The valve seat fixing holes are formed in the valve body wall between two adjacent fixing blocks. The number of the fixing bolts is the same as that of the valve seat fixing holes. The fixing bolts are screwed into the valve seat fixing holes and are in contact with a valve seat. The fixing structure has the advantages that the valve seat is fixed by screwing the fixing bolts into the valve seat fixing holes in a valve body, the fixing seat is simple, practical, simple to manufacture, and capable of being popularized in the industry favorably, and large modification of existing center line butterfly valves is not needed.

Description

technical field [0001] The invention belongs to the technical field of centerline butterfly valve processing, and in particular relates to a centerline butterfly valve seat fixing structure used at the end of a pipeline. Background technique [0002] The centerline butterfly valve is a component used to realize the on-off and flow control of the pipeline system, and has been widely used in many fields such as petroleum, chemical industry, metallurgy, and hydropower. The structural feature of the centerline butterfly valve is that the axis of the shaft, the center of the butterfly plate, and the center of the body are at the same position. [0003] The centerline butterfly valve used at the end of the pipeline is a kind of centerline butterfly valve. When it is used, because the force is unidirectional, after the centerline butterfly valve is used for a long time, the valve seat will partly come out along the direction of the force, or even If it falls off, the centerline bu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K1/32F16K1/42
CPCF16K1/422F16K1/427
Inventor 黄德凯
Owner 天津沃尔德阀门有限公司
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