Title:
SWITCHING VALVE, STABILIZED PRESSURE PUMP, AND WATER JET DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/029208
Kind Code:
A1
Abstract:
A switching valve, a stabilized pressure pump, and a water jet device. The switching valve is provided with a fluid channel (4). The two ends of the fluid channel (4) are provided with a first inlet/outlet (41) and a second inlet/outlet (42); the fluid channel (4) comprises a valve cavity (44); a valve element (45) is movably provided in the valve cavity (44); a first communicating opening (43) is formed in a first end of the valve cavity (44) and is communicated with the first inlet/outlet (41); a second communicating opening (46) is formed in a second end of the valve cavity (44) and is communicated with the second inlet/outlet (42); a sealing surface (441) is provided in the valve cavity (44) close to the first communication opening (43); the center of the second communicating opening (46) and the central axis of the valve cavity (44) are staggered; and a pressure difference between the first inlet/outlet (41) and the second inlet/outlet (42) enables the valve element (45) to be switched between a first position and a second position such that the fluid channel (4) is opened or closed.
Inventors:
SUN GUANGYU (CN)
WU YAN (CN)
WU YAN (CN)
Application Number:
PCT/CN2021/129250
Publication Date:
March 09, 2023
Filing Date:
November 08, 2021
Export Citation:
Assignee:
HYDRO CARESYS HUIZHOU MEDICAL CO LTD (CN)
International Classes:
F16K15/04; A61M3/02; F04B53/12; F16K11/10; F16K15/02; F16K27/02
Foreign References:
| CN216112350U | 2022-03-22 | |||
| CN104265619A | 2015-01-07 | |||
| CN106917887A | 2017-07-04 | |||
| JP2002013651A | 2002-01-18 | |||
| CN211315242U | 2020-08-21 |
Attorney, Agent or Firm:
COHORIZON INTELLECTUAL PROPERTY INC. (CN)
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