Title:
TOP COVER ASSEMBLY AND BATTERY CELL
Document Type and Number:
WIPO Patent Application WO/2023/246111
Kind Code:
A1
Abstract:
Disclosed in the present application are a top cover assembly and a battery cell. The top cover assembly comprises a top cover sheet, a terminal post and an insulating member. The top cover sheet comprises a base plate and an axial positioning portion, wherein the base plate is provided with a through hole, and the axial positioning portion is connected to the base plate and surrounds the through hole; the terminal post comprises a main body portion and a flange, wherein the main body portion is inserted into the through hole, the flange surrounds the main body portion, and the flange is located at an inner side of the axial positioning portion in the radial direction of the through hole, and is located between the base plate and the axial positioning portion in the axial direction of the through hole; and the insulating member is inserted into the through hole and surrounds the main body portion, a first orientation structure is arranged between the insulating member and the body portion, so as to limit relative rotation between the insulating member and the main body portion, and a second orientation structure is arranged between the insulating member and the base plate, so as to limit relative rotation between the insulating member and the base plate. By means of the top cover assembly in the present application, a process can be simplified, thereby improving the assembly efficiency.
Inventors:
YANG WEI (CN)
Application Number:
PCT/CN2023/074622
Publication Date:
December 28, 2023
Filing Date:
February 06, 2023
Export Citation:
Assignee:
SUNWODA MOBILITY ENERGY TECH CO LTD (CN)
International Classes:
H01M50/553; H01M50/15; H01M50/188
Foreign References:
| CN217823029U | 2022-11-15 | |||
| CN215955380U | 2022-03-04 | |||
| CN114464937A | 2022-05-10 | |||
| CN211907577U | 2020-11-10 | |||
| CN214280140U | 2021-09-24 | |||
| CN215911558U | 2022-02-25 | |||
| JP2014116132A | 2014-06-26 | |||
| CN111244342A | 2020-06-05 |
Attorney, Agent or Firm:
JIAQUAN IP LAW (CN)
Download PDF: