End cover assembly and manufacturing method thereof, energy storage device and electric equipment
By using a sealing ring of a low-temperature rubber synthetic material in the end cap assembly of the energy storage device, and the clamping structure of the pole column and the end cap, the problem of degradation of sealing performance in the low-temperature environment is solved, and a high-reliability sealing effect is achieved.
CN119650992AActive Publication Date: 2025-03-18XIAMEN HITHIUM ENERGY STORAGE TECHNOLOGY CO LTD
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Patent Information
- Application Number
- CN202411754649.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2044-12-02
AI Technical Summary
Technical Problem
The sealing performance of the end cap assembly of the existing energy storage device is degraded in low temperature environments, which can easily lead to seal failure and reduce reliability.
Method used
An end cap assembly is adopted, which includes a through hole and a pole through hole, and the sealing ring is clamped and compressed by a sealing ring to achieve a sealing, and the material is made of a low temperature resistant, electrolyte-resistant rubber synthetic material.
Benefits of technology
Maintain good sealing performance in low temperature environments, improve the reliability of end cap assembly, simplify the structure and reduce production costs.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention discloses an end cover assembly and a manufacturing method thereof, an energy storage device and electric equipment, the end cover assembly comprises an end cover, lower plastic, a pole and a sealing ring, the end cover is provided with a through hole, the lower plastic comprises a pole through hole, the lower plastic and the end cover are stacked along the thickness direction of the end cover assembly, and the through hole is communicated with the pole through hole. The pole comprises a pole body, a flange and a folding part, the folding part and the flange are oppositely arranged at an interval along the height direction of the pole, the pole body comprises a mounting surface opposite to the flange, the folding part is convexly arranged on the periphery of one end of the pole body and surrounds the mounting surface, the folding part comprises an appearance surface connected to the mounting surface, and a crease is arranged between the appearance surface and the mounting surface. The appearance surface is flush with the mounting surface, or the mounting surface protrudes out of the appearance surface in the direction from the folding part to the flange; the sealing ring is sleeved on the periphery of the pole and penetrates through the through hole and the pole through hole together with the pole, the end cover part on the periphery of the through hole is positioned between the flange and the turnover part, and the flange, the lower plastic, the end cover and the turnover part jointly clamp the sealing ring.
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