Pole assembly, cover plate assembly, battery monomer, battery and electric device

Abstract

The application provides a pole assembly, a cover plate assembly, a battery monomer, a battery and an electric device. The pole assembly comprises a shell, a pole and a sealing structure. The shell comprises a body part and a flange part. The body part is provided with a mounting hole for accommodating the pole. The flange part is located at one end of the mounting hole and extends from the edge of the body part towards the direction of the axis of the mounting hole. The flange part is provided with a first clamping part located on the surface of the flange part facing the inside of the mounting hole. The outer periphery of the pole and the inner wall of the mounting hole form a mounting space. The sealing structure comprises a first sealing member arranged in the mounting space. The outer periphery of the first sealing member is provided with a second clamping part matched with the first clamping part. The second clamping part and the first clamping part are clamped with each other. The pole assembly of the application is clamped with the shell and the sealing structure. The rotation or shaking of the sealing ring is avoided, which is conducive to the stable installation of the pole and improves the efficiency of the battery.

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