Title:
CHECK VALVE OF SUB-MACHINE OF AERATED WATER MACHINE
Document Type and Number:
WIPO Patent Application WO/2020/186553
Kind Code:
A1
Abstract:
Provided is a check valve of a sub-machine of an aerated water machine. The check valve comprises a main body (1) of a sub-machine and a gas nozzle rod (2), wherein the gas nozzle rod (2) is connected to the main body (1), the main body (1) is provided with an internal threaded cavity (11) with a lower opening and a gas inlet channel (12) in communication with the internal threaded cavity (11), and the gas nozzle rod (2) is provided with a check valve cavity (21) with external threads; and the check valve further comprises a check valve assembly, wherein the check valve assembly is arranged in the check valve cavity (21), and the check valve cavity (21) and the internal threaded cavity (11) are screwed together and in a gas-tight seal. Due to the utilization of this structure, gas backflow can be prevented, and the sealing performance is improved; moreover, the check valve is easily assembled.
Inventors:
GUAN JINYE (CN)
Application Number:
PCT/CN2019/080718
Publication Date:
September 24, 2020
Filing Date:
April 01, 2019
Export Citation:
Assignee:
GUAN JINYE (CN)
International Classes:
F16K15/14; A47J31/44
Foreign References:
| CN202262390U | 2012-06-06 | |||
| CN106136885A | 2016-11-23 | |||
| CN206072450U | 2017-04-05 | |||
| CN202932764U | 2013-05-15 | |||
| KR20170077573A | 2017-07-06 | |||
| CN204049269U | 2014-12-31 |
Attorney, Agent or Firm:
GUANGZHOU SANHUAN PATENT & TRADEMARK AGENCY CO., LTD. (CN)
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