Casing assembly, battery, and energy storage device
By incorporating a tapered structure on the inner wall of the mounting hole and the side wall of the insertion portion of the housing assembly, the problem of metal debris generation during housing assembly assembly is solved, thereby improving battery safety and cost-effectiveness.
WO2026145217A1PCT designated stage Publication Date: 2026-07-09EVE POWER CO LTD
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- EVE POWER CO LTD
- Filing Date
- 2025-12-24
- Publication Date
- 2026-07-09
Smart Images
Figure CN2025145326_09072026_PF_FP_ABST
Abstract
The present application provides a casing assembly, a battery, and an energy storage device. The casing assembly comprises a casing body and a cover. The casing body is provided with an accommodating cavity, and is provided with two first end portions arranged opposite to each other; and at least one of the first end portions is provided with a mounting hole in communication with the accommodating cavity. The cover comprises a cover body and an insertion portion; the insertion portion is inserted into the mounting hole; the inner side wall of the mounting hole comprises a first side wall section which is tapered and is connected to the first end portion; and / or the side wall of the insertion portion comprises a second side wall section which is tapered.
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