Battery structure

Abstract

A battery structure, characterized in that it comprises an upper cover assembly (10), a cell (30) and a lower cover assembly (20), a battery housing (40) having a mounting hole (401), wherein the cell (30) is located in the battery housing (40), and the upper cover assembly (10) and the lower cover assembly (20) are arranged at both ends of the battery housing (40), and the upper cover assembly (10) passes through the mounting hole (401) of the battery housing (40), wherein the upper cover assembly (10) comprises: a pole (101), wherein the pole (101) is provided with a radially recessed annular groove (1011); a sealing element (11), wherein the sealing element (11) is fitted to the pole (101) and is located in the annular groove (1011), the sealing element (11) is located between the battery housing (40) and the groove wall of the annular groove (1011), and the sealing element (11) is partially located outside the battery housing (40);and a plastic member (104), wherein the plastic member (104) is pulled onto the sealing member (11) and is located outside the battery housing (40), and the plastic member (104) is partially disposed between the battery housing (40) and the groove wall of the annular groove (1011);