Title:
PLASTIC CASE CIRCUIT BREAKER
Document Type and Number:
WIPO Patent Application WO/2021/254298
Kind Code:
A1
Abstract:
The present invention relates to the field of low voltage electrical devices, and specifically involves a plastic case circuit breaker, which comprises a circuit breaker body and an electric operating apparatus, the circuit breaker body comprises an operating mechanism, and the operating mechanism comprises a handle which drivingly cooperates with the electric operating apparatus; the electric operating apparatus comprises a rotatably-configured rotary disk as well as a protruding wheel, a slide block, and a slide rail for positionally restricting and guiding the slide block, all of which are arranged on the rotary disk; the slide block comprises a slide block driven slot and a slide block drive slot, the protruding wheel drivingly cooperates with the slide block driven slot, and the handle is inserted within the slide block drive slot; the rotary disk rotates and drives the slide block to move back and forth along the slide rail by means of the protruding wheel, and the slide block drives the handle to swing by means of the slide block drive slot, causing the plastic case circuit breaker to close/open; the plastic case circuit breaker of the present invention has a slide block structure that is simple, sturdy, and reliable, which can significantly improve the reliability of the electric operating apparatus.
Inventors:
ZHENG YINGCHUAN (CN)
GUO DEXIN (CN)
JIANG HUAHUA (CN)
FANG YI (CN)
GAO NAN (CN)
GUO DEXIN (CN)
JIANG HUAHUA (CN)
FANG YI (CN)
GAO NAN (CN)
Application Number:
PCT/CN2021/099931
Publication Date:
December 23, 2021
Filing Date:
June 15, 2021
Export Citation:
Assignee:
ZHEJIANG CHINT ELECTRICS CO LTD (CN)
International Classes:
H01H71/10; H01H9/20; H01H9/54; H01H71/43; H01H71/70; H01H73/18
Foreign References:
| CN212783317U | 2021-03-23 | |||
| CN212783269U | 2021-03-23 | |||
| CN212783316U | 2021-03-23 | |||
| CN208142111U | 2018-11-23 | |||
| CN207353177U | 2018-05-11 | |||
| CN201112305Y | 2008-09-10 | |||
| CN109659178A | 2019-04-19 |
Attorney, Agent or Firm:
BEIJING JOYAN INTELLECTUAL PROPERTY OFFICE (CN)
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