Title:
BATTERY TOP COVER HAVING MULTIPLE PROTECTION MECHANISMS
Document Type and Number:
WIPO Patent Application WO/2019/195985
Kind Code:
A1
Abstract:
A battery top cover having multiple protection mechanisms, comprising a battery cover plate (11) and an insulation plate (12) superimposed with the lower end of the battery cover plate; the ends of the battery cover plate and the insulation plate are respectively provided with a first electrode post (131) and a second electrode post (132), the first electrode post having a first conductive block (1311) electrically connected to the first electrode post, the first conductive block and the first electrode post being electrically isolated from the battery cover plate by means of a first rubber-covered piece (161), the first rubber-covered piece being provided with a flip through hole, the battery cover plate being provided with a flip piece (111) facing the flip through hole; the second electrode post is electrically connected to a second conductive piece (142) by means of a power-off protection piece (113), and the second conductive piece has a second connection piece (1422) welded to the power-off protection piece; and a rupture piece (111) is provided in the middle of the battery cover plate. The battery top cover is provided with the flip piece, the rupture piece and the power-off protection piece, and therefore, by means of the three protection mechanisms, the battery is protected, and the external electric appliance using the battery is also protected, improving the safety of the battery.
Inventors:
WANG YOUSHENG (CN)
DING CHAOYANG (CN)
DING KUN (CN)
DING CHAOYANG (CN)
DING KUN (CN)
Application Number:
PCT/CN2018/082374
Publication Date:
October 17, 2019
Filing Date:
April 09, 2018
Export Citation:
Assignee:
RDF FAIRY PRECISION TECH CO LTD (CN)
International Classes:
H01M50/50
Foreign References:
| CN107331827A | 2017-11-07 | |||
| CN107123768A | 2017-09-01 | |||
| CN107275562A | 2017-10-20 | |||
| CN206849875U | 2018-01-05 | |||
| JP2000208132A | 2000-07-28 |
Attorney, Agent or Firm:
SHENZHEN INPRE PATENTAGENT (GENERAL PARTNERSHIP) (CN)
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