Title:
BOX BODY OF BATTERY, AND BATTERY AND ELECTRIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/021068
Kind Code:
A1
Abstract:
Provided in the embodiments of the present application are a box body of a battery, and the battery and an electric device. The box body comprises: a frame beam and a cross beam. The frame beam comprises a first surface and an engagement slot having an opening located in the first surface. The cross beam comprises, in the lengthwise direction thereof, a main body portion and end portions located at two ends of the main body portion, wherein each end portion comprises a protruding structure and a connection face located on a peripheral side of the protruding structure; and the cross beam and the frame beam are in engagement fit with the engagement slot by means of the protruding structures and are fixedly connected to the first surface by means of the connection faces. In the embodiments of the present application, the protruding structures of the end portions of the cross beam are engaged with the engagement slot, so that a force borne by the cross beam can be transmitted to the interior of the frame beam by means of the protruding structures, thereby increasing the area under stress between the frame beam and the cross beam, and further improving the strength of the box body of the battery.
Inventors:
YAO PENGCHENG (CN)
XUE DANYUE (CN)
WANG PENG (CN)
CHEN XINGDI (CN)
XUE DANYUE (CN)
WANG PENG (CN)
CHEN XINGDI (CN)
Application Number:
PCT/CN2022/109112
Publication Date:
February 01, 2024
Filing Date:
July 29, 2022
Export Citation:
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
H01M50/202; H01M50/209; H01M50/242
Foreign References:
| CN213520174U | 2021-06-22 | |||
| CN114784434A | 2022-07-22 | |||
| JP2014149951A | 2014-08-21 |
Attorney, Agent or Firm:
BEIJING EAST IP LTD. (CN)
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