Title:
MANUAL OPERATION MECHANISM HANDLE FOR CIRCUIT BREAKER
Document Type and Number:
WIPO Patent Application WO/2020/098536
Kind Code:
A1
Abstract:
Disclosed is a manual operation mechanism handle for a circuit breaker, the handle comprising an operation handgrip (15), a lock-up device (12), and a locking shaft (14), wherein the middle of the lock-up device (12) is pivotally arranged on the operation handgrip (15), a front end of the lock-up device (12) is connected to the locking shaft (14), the lock-up device (12) is connected to the operation handgrip (15) by means of a first driving member, a rear end of the lock-up device (12) cooperates with a locking mechanism in limiting manner, the rear end of the lock-up device (12) is provided with a lock-up hole (21), and the lock-up hole (21) is blocked by the operation handgrip (15). When the circuit breaker is in a opened state, the locking mechanism is unlocked, the first driving member enables the front end of the lock-up device (12) to move down to drive the locking shaft (14) to lock the operation handgrip (15), and at the same time, the rear end of the lock-up device (12) is raised, such that the lock-up hole (21) is released from the operation handgrip (15). The locking mechanism can realize locking of the lock-up device (12), and a user can conveniently rotate the operation handgrip (15), such that after the locking mechanism is unlocked by means of the opening/closing of the circuit breaker, the lock-up device (12) can automatically drive the locking shaft (14) to lock the operation handgrip (15).
Inventors:
AO DENGGUI (CN)
YUAN XIAOQIN (CN)
XIONG JINHUA (CN)
YUAN XIAOQIN (CN)
XIONG JINHUA (CN)
Application Number:
PCT/CN2019/115861
Publication Date:
May 22, 2020
Filing Date:
November 06, 2019
Export Citation:
Assignee:
ZHEJIANG CHINT ELECTRICS CO LTD (CN)
International Classes:
H01H9/28
Foreign References:
| CN109326469A | 2019-02-12 | |||
| CN209104018U | 2019-07-12 | |||
| CN209232622U | 2019-08-09 | |||
| CN205140837U | 2016-04-06 | |||
| CN205863066U | 2017-01-04 | |||
| FR3029680A1 | 2016-06-10 | |||
| US20150221458A1 | 2015-08-06 |
Other References:
See also references of EP 3882938A4
Attorney, Agent or Firm:
BEIJING JOYAN INTELLECTUAL PROPERTY OFFICE (CN)
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