Battery with rolling groove structure

The utility model relates to a battery with a rolling groove structure, which comprises a shell and a cover plate, the end part of the shell is provided with an opening, the cover plate is arranged in the opening, an insulating part is arranged between the cover plate and the shell, a limiting mechanism is arranged between the shell and the insulating part, and the rolling groove structure is arranged in the shell. According to the device, the connection of the shell and the cover plate and the sealing of the battery are realized by adopting a rolling groove process, the effect is better than that of a laser welding process, dust entering the battery is reduced, the risk of short circuit is reduced, the cover plate is provided with an exhaust hole, the service life of the battery is prolonged, and the service life of the battery is prolonged. The formation gas discharge structure ensures the discharge of formation gas, reduces the potential safety hazard that the formation gas cannot be discharged, effectivel