Title:
CHECK VALVE
Document Type and Number:
WIPO Patent Application WO/2021/208545
Kind Code:
A1
Abstract:
The check valve provided in the present application comprises: a valve body (1), a valve core (2), a clamping seat (3) and a limiting structure (4). The valve body (1) comprises a valve cavity (11); the valve core (2) is movably provided in the valve cavity (11); the clamping seat (3) is provided in the valve cavity (11) and is fixedly connected to the valve body (1); and the limiting structure (4) is provided on the clamping seat (3) and extends towards the valve core (2) to limit the rotation of the valve core (2).
Inventors:
XUAN YONGBIN (CN)
ZHAO JIANBO (CN)
ZHAO JIANBO (CN)
Application Number:
PCT/CN2021/072375
Publication Date:
October 21, 2021
Filing Date:
January 18, 2021
Export Citation:
Assignee:
ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (CN)
International Classes:
F16K15/06; F16K1/38; F16K1/42; F16K1/50
Foreign References:
| CN1888496A | 2007-01-03 | |||
| CN105605251A | 2016-05-25 | |||
| KR20120133206A | 2012-12-10 | |||
| CN204512548U | 2015-07-29 |
Attorney, Agent or Firm:
HANGZHOU HUAJIN LIANZHE INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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