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Title:
SELF-BALANCING LIQUID LEVEL SWITCH MECHANISM HAVING COUNTERWEIGHT ON ROCKER ARM
Document Type and Number:
WIPO Patent Application WO/2023/159560
Kind Code:
A1
Abstract:
A self-balancing liquid level switch mechanism which has a counterweight on a rocker arm, comprising: a fixed seat (14), a float guide rod (5), a first magnet (8), a switch base body (6), a rocker arm (9), a counterweight block (11) and a second magnet (7). The rocker arm is arranged on the fixed seat in an up-down swingable manner. The switch base body is arranged on the fixed seat. The switch base body is provided with a button (4) located below a front section of the rocker arm. The counterweight block is arranged at the end of the rocker arm. The float guide rod extends upwards from the bottom of the fixed seat into the fixed seat. The first magnet is arranged at the top of the float guide rod. The second magnet is arranged at the front end of the rocker arm and attracts the first magnet. When a liquid level descends and resets, the front end of the rocker arm is tilted upwards by means of the counterweight block without relying on a spring elastic force, so that the switch mechanism works more stably.

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Inventors:
WANG XIAN (CN)
XIE DONGYUAN (CN)
Application Number:
PCT/CN2022/078269
Publication Date:
August 31, 2023
Filing Date:
February 28, 2022
Export Citation:
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Assignee:
GP ENTPR CO LTD (CN)
International Classes:
H01H35/18; H01H36/02
Foreign References:
CN205828270U2016-12-21
CN207183163U2018-04-03
CN108133866A2018-06-08
CN208173495U2018-11-30
CN102163517A2011-08-24
GB477553A1938-01-03
US6069331A2000-05-30
JP2010123263A2010-06-03
Attorney, Agent or Firm:
SUZHOU GROUNZE INTELLECTUAL PROPERTY AGENCY CO.,LTD. (CN)
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