公开(公告)号：EP3882938A1

公开(公告)日：2021-09-22

申请号：EP19885494.5

申请日：2019-11-06

申请人： Zhejiang Chint Electrics Co., Ltd.

发明人： AO, Denggui ,  YUAN, Xiaoqin ,  XIONG, Jinhua

IPC分类号： H01H9/28

摘要： The invention relates to the field of low-voltage electric appliances, and more particularly, to a handle of a manual operation mechanism of a circuit breaker, which includes an operating handle, a padlock device, and a locking shaft, wherein a middle of the padlock device is pivotally arranged on the operating handle, a front end of the padlock device is connected with the locking shaft, the padlock device is connected with the operating handle through a first driving member, a rear end of the padlock device is in limit fit with a locking mechanism, a padlock hole is arranged in the rear end of the padlock device, and the padlock hole is shielded by the operating handle; when the circuit breaker is in a switch-off state, the locking mechanism is unlocked, the first driving member makes the front end of the padlock device sink to drive the locking shaft to lock the operating handle, and meanwhile, the rear end of the padlock device is raised up to separate the padlock hole from an inside of the operating handle; and according to the invention, the padlock device can be locked by the locking mechanism, so that a user rotates the operating handle conveniently, and after the circuit breaker is switched off/switched on to unlock the locking mechanism, the padlock device can automatically drive the locking shaft to lock the operating handle.