Battery sealing device with polar rod having large and small ends
US10637037B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2016 |
| Grant date | Apr 28, 2020 |
| Priority date | — |
| Expiry date | Dec 23, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A battery sealing device, including an upper pressing member, a polar rod, a battery cover plate, and a sealing member. The polar rod includes polar rod large and small ends, and a polar rod connecting plate. The upper pressing member includes an upper pressing through hole matched with the periphery of the polar rod large end. The battery cover plate includes a cover plate through hole; the polar rod large end penetrates through the upper pressing through hole and the cover plate through hole; the upper pressing member arranged above the battery cover plate. The sealing member includes an upper sealing element formed between the upper pressing member and the battery cover plate, an intermediate sealing element formed in the gap between the cover plate through hole and the polar rod large end, and a lower sealing element formed between the battery cover plate and the polar rod connecting plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.