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Flow control valve

A flow control valve, valve seat technology, applied in the direction of lift valve, valve detail, valve device, etc.

Active Publication Date: 2020-07-07
ZHEJIANG SANHUA COMMERCIAL REFRIGERATION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The fixing reliability between the sealing ring and the valve seat of the flow control valve still has room for improvement

Method used

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  • Flow control valve
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Embodiment Construction

[0022] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] In this article, terms such as "upper, lower, inner, outer" are established based on the positional relationship shown in the drawings, and the corresponding directions and positional relationships may also change accordingly depending on the orientation of the product shown in the drawings , therefore, it cannot be understood as an absolute limitation on the scope of protection.

[0024] figure 1 A schematic diagram of the local structure of the first embodiment of the flow control valve provided by the present invention, figure 2 for figure 1 Partial enlarged view of the middle part II, image 3 for figure 1 Sectional view of the seal ring shown in, Figure 4 for figure 1 Perspective view of the seal ring shown i...

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PUM

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Abstract

The invention discloses a flow control valve which comprises a valve outer shell assembly, a valve element assembly and a valve seat assembly. The valve element assembly comprises a valve element. Thevalve seat assembly comprises a valve seat, a pressing component, a neck bush component and a seal ring arranged on the valve seat. The seal ring is located outside the neck bush component. The valveelement comprises a sealing part capable of abutting against or being separated from the seal ring. The seal ring comprises a matching part capable of being matched with the sealing part. The matching part is located between the pressing component and the neck bush component. The outer edge of the seal ring is closely pressed by the pressing component. The inner edge of the seal ring is closely pressed by the neck bush component. According to the flow control valve, the seal ring is arranged on the valve seat, and the fixing reliability of the seal ring and the valve seat is high.

Description

technical field [0001] The invention relates to the technical field of fluid control, in particular to a flow control valve. Background technique [0002] The spool part of the flow control valve is driven by the drive part to move axially relative to the valve port to open and close the flow control valve or adjust the flow of the flow control valve. Figure 16 It is a schematic diagram of a partial structure of a flow control valve in the background technology. Such as Figure 16 As shown, the flow control valve includes a valve body 01 , a valve seat 02 , and a sealing ring 03 . The upper end of the valve seat 02 has a riveting portion protruding upwards to fix the sealing ring 03 by riveting. The fixing reliability between the sealing ring and the valve seat of the flow control valve still has room for improvement. Contents of the invention [0003] The purpose of the present invention is to provide a flow control valve, which can improve the fixing reliability of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K1/36F16K1/32F16K27/02
CPCF16K1/36F16K1/32F16K27/02F16K1/42
Inventor 不公告发明人
Owner ZHEJIANG SANHUA COMMERCIAL REFRIGERATION CO LTD