Title:
DAMPING SWITCH, PLUG VALVE AND GAS APPLIANCE
Document Type and Number:
WIPO Patent Application WO/2021/253949
Kind Code:
A1
Abstract:
Disclosed are a damping switch (140), a plug valve (100) and a gas appliance. The damping switch (140) comprises: a housing (141), wherein the housing (141) is provided with a through hole (1423) penetrating in the thickness direction of the housing, and the housing (141) is further provided with an installation part capable of enabling the whole damping switch (140) to be fixedly installed outside the plug valve (100); and a rotation member (144), which is accommodated inside the housing (141) and can rotate relative to the housing (141), wherein a shaft hole (1444) is provided in the rotation member (144), the shaft hole (1444) is correspondingly in communication with the through hole (1423), and the shaft hole (1444) is provided in such a way that a valve rod (120) is mounted in the shaft hole in a penetrating manner. One of the rotation member (144) and the housing (141) is provided with a plurality of positioning grooves (1443) which are distributed in the rotation direction of the valve rod (120) at intervals, the other of the rotation member and the housing is provided with an elastic abutting assembly (145), and the elastic abutting assembly (145) is clamped into one of the plurality of positioning grooves (1443) during the process of the rotation member (144) being driven by the valve rod (120) to rotate.
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Inventors:
ZHANG YIBIN (CN)
QI ZHENGSHENG (CN)
ZHANG BINGWEI (CN)
QI ZHENGSHENG (CN)
ZHANG BINGWEI (CN)
Application Number:
PCT/CN2021/086865
Publication Date:
December 23, 2021
Filing Date:
April 13, 2021
Export Citation:
Assignee:
FOSHAN SHUNDE MIDEA WASHING APPLIANCES MFG CO LTD (CN)
International Classes:
F16K31/44; F16K5/02; F16K5/10; F16K11/083; F16K35/02; F16K37/00; F24C3/12; F24H9/20
Foreign References:
| CN212318947U | 2021-01-08 | |||
| CN106091032A | 2016-11-09 | |||
| EP3087320B1 | 2019-04-17 | |||
| CN204239790U | 2015-04-01 | |||
| CN109237065A | 2019-01-18 |
Attorney, Agent or Firm:
CENFO INTELLECTUAL PROPERTY AGENCY (CN)
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