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Patent Searching and Data


Title:
LOCKING DEVICE FOR CIRCUIT BREAKER OPERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/080760
Kind Code:
A1
Abstract:
A locking mechanism for a circuit breaker operation device comprises a housing (1). A button (2) is mounted in a button slot (101) of the housing (1). The locking mechanism is characterized in that the housing (1) is provided with a locking member (3) therein, and the locking member (3) can lock or unlock the button (2). In the locking mechanism for a circuit breaker operation device, a locking member is added in the circuit breaker; only after a lock button is pressed, an operation button is pressed to close the circuit breaker; when the operation button is pulled out, the circuit breaker is disconnected; when the lock button is not pressed, the operation button is locked by the lock button, the operation button cannot be pressed down, the circuit breaker cannot be closed. No arcs are generated between a wiring end of the circuit breaker and a busbar, and accordingly, the safety of the device is ensured.

Inventors:
PAN, Wanjun (No. 2000 South ShenJiang Road, Pudong New District, Shanghai 5, 201315, CN)
YANG, Yanqun (No. 2000 South ShenJiang Road, Pudong New District, Shanghai 5, 201315, CN)
Application Number:
CN2018/110713
Publication Date:
May 02, 2019
Filing Date:
October 17, 2018
Export Citation:
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Assignee:
SHANGHAI LIANGXIN ELECTRICAL CO., LTD (GAO Qian, No. 2000 South ShenJiang Road Pudong New District, Shanghai 5, 201315, CN)
International Classes:
H01H71/10
Foreign References:
CN107833804A2018-03-23
CN207624641U2018-07-17
CN202018931U2011-10-26
CN201975350U2011-09-14
US5575381A1996-11-19
CN204885044U2015-12-16
Attorney, Agent or Firm:
SHANGHAI RONGHUI PATENT AGENCY (YU Xiaojing, Room 801 No. 2600, Xietu Road, Shanghai 0, 200030, CN)
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