CONTROL VALVE STRUCTURE, SWITCH, AND DISPENSING DEVICE - QINGDAO HAIER DRUM WASHING MACHINE CO LTD

Title:

CONTROL VALVE STRUCTURE, SWITCH, AND DISPENSING DEVICE

Document Type and Number:

WIPO Patent Application WO/2022/247530

Kind Code:

A1

Abstract:

A control valve structure, comprising: a housing (101), a cavity (103) being formed by a hollow inside the housing (101), and an opening (102) communicated with the cavity (103) being provided on the housing (101), a piston (104) capable of performing telescopic movement relative to the opening (102) being mounted in the cavity (103), and a driving structure for driving the piston (104) to move being mounted on the housing (101), and being used for controlling a sealing structure provided on the piston (104) to correspondingly close or open the opening (102). In the present invention, the movement of the piston is used to control the opening and closing of the opening, and during the movement of the piston, the structure such as a sealing ring on the piston will not come into contact with the inner wall of the housing, thereby avoiding deformation and failure of the sealing structure made of an elastic material such as rubber due to friction extrusion with the inner wall of the housing of the valve structure in the process of opening and closing. Also disclosed is a dispensing device, provided with the control valve structure, and used for controlling the opening and closing of the water channel of the dispensing device.

More Like This:

WO/2020/057743	MULTI-WAY VALVE ASSEMBLIES FOR FLOW CONTROL OF A FLUID
WO/2015/128262	ROTARY SAMPLING VALVE AND DEVICE EQUIPPED WITH SUCH A VALVE

Inventors:

HUANG TAO (CN)
CHENG BAOZHEN (CN)
HUANG BENCAI (CN)

Application Number:

PCT/CN2022/087617

Publication Date:

December 01, 2022

Filing Date:

April 19, 2022

Export Citation:

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Assignee:

QINGDAO HAIER DRUM WASHING MACHINE CO LTD (CN)
HAIER SMART HOME CO LTD (CN)

International Classes:

F16K11/14; D06F39/02

Domestic Patent References:

WO2013139311A1

2013-09-26

Foreign References:

CN1159522A	1997-09-17
CN109957931A	2019-07-02
CN111434824A	2020-07-21
CN108506523A	2018-09-07
AU6015680A	1981-08-27

Attorney, Agent or Firm:

BEIJING YUANZHONG INTELLECTUAL PROPERTY AGENT LTD. (CN)

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