Battery pack

The three-dimensional limiting design of the internal mounting cavity and pressing part of the box solves the problem of high battery pack assembly cost, simplifies the assembly process and reduces costs, and improves the safety and stability of the battery pack.

CN224096833UActive Publication Date: 2026-04-07EVE ENERGY CO LTD
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Patent Information

Application Number
CN202520362362.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-04-07
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

Existing battery pack assembly processes are costly, and the use of additional metal fasteners or complex brackets increases the number of parts and processing steps.

Method used

The internal mounting cavity of the enclosure is used in conjunction with the pressing part. The cavity wall of the mounting cavity and the pressing part form a three-dimensional limit to restrict the position of the battery cell and reduce the use of additional metal fasteners and complex brackets.

Benefits of technology

It simplifies the assembly process, reduces manufacturing costs, improves assembly efficiency, enhances the safety and stability of the battery pack, and increases the lifespan and reliability of the battery cells.

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Abstract

The utility model provides a battery pack which comprises a box body, an installation cavity is formed in the box body, an installation opening is formed in the top of the box body, the top of the installation cavity is communicated with the installation opening, and the installation cavity is provided with a bottom wall and a side wall; a plurality of battery cells are arranged, and the plurality of battery cells are sequentially arranged in the mounting cavity along the length direction of the mounting cavity; the press-fitting part is arranged at the tops of the plurality of battery cells, and the press-fitting part is propped against the top surfaces of the plurality of battery cells respectively; wherein the mounting cavity limits the positions of the plurality of battery cells along the length direction and the width direction of the mounting cavity, and the press-fitting part is matched with the mounting cavity to limit the positions of the plurality of battery cells in the height direction in the mounting cavity. The battery pack in the scheme is relatively low in assembly cost.
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