Title:
ELECTROMAGNETIC LIMIT SWITCH FOR BUTTON PRODUCT
Document Type and Number:
WIPO Patent Application WO/2022/247913
Kind Code:
A1
Abstract:
Disclosed in the present utility model is an electromagnetic limit switch for a button product, comprising a switch body, a pressing valve core, and a knob. The pressing valve core is mounted on the switch body; a knob mounting seat is provided on the outer side wall of the pressing valve core, and a reed switch is provided on the inner side of the knob mounting seat; the reed switch is connected to a controlled module, and a button assembly connected to the pressing valve core is provided in front of the reed switch; the knob is disposed at the front end of the knob mounting seat, the knob is connected to the button assembly in a nested manner, and a magnet is provided at the rear end of the button assembly; the button assembly drives the pressing valve core to open or close and can drive the magnet to synchronously move forward and backward, so as to enable the controlled module to work or stop working. According to the present utility model, mounting components of the electromagnetic limit switch are integrated into the knob, so that the electromagnetic limit switch occupies little space in a product and is easy to mount. The reed switch and the magnet adopted can work in conjunction with each other in a humid environment, so that the electromagnetic limit switch is high in signal sensitivity and long in service life.
Inventors:
XIE WEI (CN)
SHI WENHUI (CN)
KONG LINGFENG (CN)
JIANG WUXING (CN)
SHI WENHUI (CN)
KONG LINGFENG (CN)
JIANG WUXING (CN)
Application Number:
PCT/CN2022/095318
Publication Date:
December 01, 2022
Filing Date:
May 26, 2022
Export Citation:
Assignee:
ARROW HOME GROUP CO LTD (CN)
International Classes:
H01H36/00
Foreign References:
| CN215869128U | 2022-02-18 | |||
| CN107345588A | 2017-11-14 | |||
| CN106609884A | 2017-05-03 | |||
| CN212480227U | 2021-02-05 |
Attorney, Agent or Firm:
SCIHEAD PATENT AGENT CO., LTD (CN)
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