Explosion-proof valve, cover plate of battery and battery
AssigneeEve Power Co., Ltd.
InventorsChangfei MIN, He ZHAO, Liming HUANG, Yuebin XU, Wei HE
Life of this patent
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Abstract
An explosion-proof valve, a cover plate of a battery and a battery are provided. The explosion-proof valve includes an annular groove, and the annular groove divides the explosion-proof valve into a rupture portion and a fixed portion. A pressure-bearing groove that is arc-shaped is recessedly provided on one side of the rupture portion. A bottom of the pressure-bearing groove is located within the annular groove.
Claims20
An explosion-proof valve comprising an annular groove, wherein the annular groove divides the explosion-proof valve into a rupture portion and a fixed portion, a side of the rupture portion is recessedly provided with a pressure-bearing groove that is arc-shaped, and a bottom of the pressure-bearing groove is located within the annular groove.
A cover plate of a battery comprising an explosion-proof valve, wherein the explosion-proof valve comprises an annular groove, the annular groove divides the explosion-proof valve into a rupture portion and a fixed portion, a side of the rupture portion is recessedly provided with a pressure-bearing groove that is arc-shaped, and a bottom of the pressure-bearing groove is located within the annular groove, wherein the cover plate of the battery further comprises a top cover on which the explosion-proof valve is disposed.
A battery comprising a cover plate of the battery, and a housing, wherein the cover plate comprises an explosion-proof valve, the explosion-proof valve comprises an annular groove, the annular groove divides the explosion-proof valve into a rupture portion and a fixed portion, a side of the rupture portion is recessedly provided with a pressure-bearing groove that is arc-shaped, and a bottom of the pressure-bearing groove is located within the annular groove, wherein the cover plate of the battery further comprises a top cover on which the explosion-proof valve is disposed;
- the housing is provided with a mounting hole, and the cover plate of the battery is snap-engaged to the housing to seal the mounting hole.
Dependencies are inferred from the claim text.