Title:
ELECTRIC VALVE
Document Type and Number:
WIPO Patent Application WO/2022/161426
Kind Code:
A1
Abstract:
An electric valve, comprising a valve body. The valve body comprises a valve seat part and a valve core rotor assembly. The valve core rotor assembly comprises a valve shaft assembly, a valve core, a first/second elastic member, and an ejector rod. The valve shaft assembly comprises a valve shaft abutting portion. The valve core passes through the vale shaft assembly and comprises a valve core abutting portion, and the valve core abutting portion can abut against the valve shaft abutting portion. The ejector rod comprises an ejector rod body portion and an ejector rod abutting portion, the ejector rod abutting portion is supported on a second elastic member, and the second elastic member is supported on the valve core. The first elastic member is externally sleeved on the second elastic member. The valve core rotor assembly comprises a first abutting portion. The first elastic member abuts against the first abutting portion and the valve core. The valve shaft assembly comprises a channel portion, and the ejector rod body portion protrudes from the channel portion. The valve body comprises a limiting portion. The valve seat part comprises an internal thread portion, the valve shaft assembly comprises an external thread portion, and when the internal thread portion and the external thread portion are not threadedly jointed, the elastic force of the second elastic member on the valve shaft assembly can enables the internal thread portion and the external thread portion to be threadedly jointed again.
Inventors:
WEI XIANRANG (CN)
Application Number:
PCT/CN2022/074229
Publication Date:
August 04, 2022
Filing Date:
January 27, 2022
Export Citation:
Assignee:
ZHEJIANG SANHUA INTELLIGENT CONTROLS CO LTD (CN)
International Classes:
F16K31/06; F16F15/067; F16K1/32; F16K1/38; F16K1/54; F25B41/31
Foreign References:
| CN109812613A | 2019-05-28 | |||
| JP2001153236A | 2001-06-08 | |||
| JPS62180185A | 1987-08-07 | |||
| JP2008286381A | 2008-11-27 | |||
| JPH11294618A | 1999-10-29 | |||
| CN112178223A | 2021-01-05 | |||
| CN1551961A | 2004-12-01 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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