(EN) The invention provides a top cover assembly for a battery, the battery and a device using the battery as a power supply. The top cover assembly comprises a cover plate main body having a liquid injection hole; a mounting part which is used for being connected with the cover plate main body and is arranged around the liquid injection hole; and a sealing part which is used for being connected with the mounting part, wherein the sealing part comprises a first top wall and a first side wall connected to the periphery of the first top wall, the first top wall is used for covering the liquid injection hole, and the first side wall is used for being matched with the mounting part in an abutting mode so as to achieve sealing of the liquid injection hole. The top cover assembly disclosed by the invention is beneficial to increasing the internal space of the battery.
(ZH) 本公开提供了一种用于电池的顶盖组件、电池和使用电池作为电源的装置。顶盖组件包括:盖板主体,具有注液孔;安装部,用于与所述盖板主体连接,且环绕所述注液孔设置;和密封件,用于与所述安装部连接,所述密封件包括第一顶壁和连接于所述第一顶壁外周的第一侧壁,所述第一顶壁用于覆盖所述注液孔,且所述第一侧壁用于与所述安装部抵压配合,以实现所述注液孔的密封。本公开的顶盖组件利于增加电池的内部空间。