BATTERY COVER PLATE

Abstract

A cover plate for a battery, characterized in that it comprises:a cover plate body (1) provided with a liquid injection opening;a first seal (2), wherein at least a part of the first seal (2) is located in the liquid injection hole and is fixed to the hole wall of the liquid injection hole, and wherein the first seal (2) is provided with a threaded hole extending in the axial direction of the liquid injection hole;a second seal (3), wherein the second seal (3) consists of a head (31) and a connecting part (32) which are connected to each other, wherein the diameter of the head (31) is larger than the diameter of the connecting part (32), a first step surface is formed between the head (31) and the connecting part (32), the connecting part (32) is provided with an external thread, and the external thread is threadedly connected to the threaded hole; anda sealing ring (4), wherein the sealing ring (4) is fitted on the connecting portion (32) and is positioned between the first step surface and the upper surface (1) of the cover plate body.

Inventors

ZHANG LEI
HUANG LIMING
ZHAO HE
XU YUEBIN
HE WEI

Assignees

EVE POWER CO LTD

Dates

Publication Date: 20260228
Application Date: 20221014
Priority Date: 20220810