Title:
VALVE
Document Type and Number:
WIPO Patent Application WO/2022/217757
Kind Code:
A1
Abstract:
A valve, comprising a valve body (1), wherein a through hole extending in an axial direction is provided in the valve body (1), a first valve port (I) is formed at the lower end of the through hole, and a second valve port (O) in communication with the through hole is provided in an inner wall of the valve body (1). An inner side wall of the valve body (1) is provided with a first sealing face on an upper side of the second valve port (O); and further comprised are a first sealing member (2) which is fixedly supported on the first sealing face, and a corrugated pipe sealing member, which is mounted at the upper end inside the valve body (1). The corrugated pipe sealing member comprises an inner core (3) and a corrugated pipe (4) sleeved on the inner core (3), wherein the inner core (3) can move in the axial direction of the valve body (1), so as to seal or open the first valve port (I). The axial lower end of the corrugated pipe (4) is fixedly connected to the inner core (3), and the upper end is hermetically connected to the first sealing member (2). The valve changes the sealing manner, uses static sealing, improves the service life of the sealing member, and increases the sealing reliability.
Inventors:
WU JINGXIANG (CN)
Application Number:
PCT/CN2021/103573
Publication Date:
October 20, 2022
Filing Date:
June 30, 2021
Export Citation:
Assignee:
POLYGON BEIJING ENERGY TECH CORP (CN)
International Classes:
F16K1/00
Foreign References:
| CN112923068A | 2021-06-08 | |||
| CN206786022U | 2017-12-22 | |||
| CN112344030A | 2021-02-09 | |||
| CN107387783A | 2017-11-24 | |||
| CN1155927A | 1997-07-30 | |||
| JPH08201823A | 1996-08-09 | |||
| CN209990921U | 2020-01-24 | |||
| CN201461974U | 2010-05-12 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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