Title:
OPERATING MECHANISM FOR ELECTRICAL SWITCH
Document Type and Number:
WIPO Patent Application WO/2018/130006
Kind Code:
A1
Abstract:
Disclosed is an operating mechanism for an electrical switch. An N-pole operating apparatus (2) is further provided between a central seat (3) and a bottom seat of an electrical switch. The N-pole operating apparatus comprises an N-pole movable contact (21), a second tension spring (22), a connecting shaft (23) and an abutting pin (24), wherein the connecting shaft is placed in an elongated hole (31) above the central seat of the electrical switch, the middle of the N-pole movable contact is provided with an arc-shaped abutting face (211), the abutting pin is provided between the central seat and the bottom seat of the electrical switch and corresponds to the arc-shaped abutting face, and one end of the second tension spring is connected to a connecting hole (212) or a connecting boss, and the other end thereof is connected to the central seat or the bottom seat of the electrical switch.An electrical switch having this operating mechanism has good voltage resistance effects when the circuit is broken, and will not easily make a product broken.
Inventors:
WANG LIANGHUA (CN)
Application Number:
PCT/CN2017/112030
Publication Date:
July 19, 2018
Filing Date:
November 21, 2017
Export Citation:
Assignee:
YUEQING YEWEI ELECTRIC CO LTD (CN)
International Classes:
H01H71/10; H01H73/04
Foreign References:
| CN106783423A | 2017-05-31 | |||
| CN206340502U | 2017-07-18 | |||
| CN202221745U | 2012-05-16 | |||
| CN105762033A | 2016-07-13 | |||
| CN202585298U | 2012-12-05 | |||
| FR2689309A1 | 1993-10-01 |
Attorney, Agent or Firm:
WENZHOU OUYUE PATENT AGENTS CO.,LTD (CN)
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