Title:
ELECTRICALLY OPERATED VALVE
Document Type and Number:
WIPO Patent Application WO/2019/114613
Kind Code:
A1
Abstract:
Disclosed is an electrically operated valve capable of quickly achieving reliable switching between multiple flow paths, the electrically operated valve comprising a driving mechanism, an executing mechanism and a valve body assembly, wherein the driving mechanism comprises a bushing (53) and an output shaft (51) located in the bushing (53), the executing mechanism comprises a valve stem (1) connected to the output shaft (51) and a valve core (2) connected to the valve stem (1), and the valve core (2) is provided with a first flow channel (21) and a second flow channel (24); the valve body assembly comprises a valve body (3) and a valve seat (4), the bushing (53) is fixed to the valve body assembly in a sealed manner and forms a space isolated from the outside, the output shaft (51) and a connecting portion between the valve stem (1) and the output shaft (51) are located in this space, the valve stem (1) is not connected to the outside, the valve body (3) has a cavity (31), four through holes (32) and a plug port (34), the through holes (32) and the plug port (34) are circumferentially distributed at intervals, the plug port (34) is provided between adjacent through holes (32), and the valve seat (4) is provided with communicating holes (41) in communication with the corresponding through holes (32); and the circumferentially adjacent through holes (32) are in communication in pairs by the flow channels of the valve core (2) respectively, and the vale stem (1) drives the valve core (2) to rotate so as to switch the two mutually communicating through holes (32) and cut off the two through holes (32) circumferentially adjacent to the plug port (34).
Inventors:
CHENG SHUAI (CN)
LI ZE (CN)
YUAN HONG (CN)
XIA DUN (CN)
WANG XIAOLONG (CN)
LIANG SHUIQING (CN)
LI ZE (CN)
YUAN HONG (CN)
XIA DUN (CN)
WANG XIAOLONG (CN)
LIANG SHUIQING (CN)
Application Number:
PCT/CN2018/119666
Publication Date:
June 20, 2019
Filing Date:
December 07, 2018
Export Citation:
Assignee:
ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO LTD (CN)
International Classes:
F16K11/087
Foreign References:
| CN205479437U | 2016-08-17 | |||
| CN103133717A | 2013-06-05 | |||
| CN105422952A | 2016-03-23 | |||
| CN204573194U | 2015-08-19 | |||
| CN107269874A | 2017-10-20 | |||
| JP2002005543A | 2002-01-09 | |||
| CN201711307890A | 2017-12-11 |
Other References:
See also references of EP 3726108A4
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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