Cap Assembly Of Power Battery

摘要

The present disclosure provides a cap assembly of a power battery, which comprises: a cap plate provided with a vent hole and an electrolyte-injection hole; a first electrode post provided on and electrically connected to the cap plate; a second electrode post insulated from and assembled to the cap plate 1; a vent fixedly provided on the vent hole; and a boss provided on the cap plate. The cap assembly of the power battery of the present disclosure can improve the strength of the cap plate at the vent, has simple structure, is easy formed and has low processing cost by provision of the boss.

主权项

1. A cap assembly of a power battery, comprising:
a cap plate (1) provided with a vent hole (2) and an electrolyte-injection hole (3); a first electrode post (4) provided on and electrically connected to the cap plate (1); a second electrode post (5) insulated from and assembled to the cap plate (1); and a vent (6) fixedly provided on the vent hole (2); the cap assembly of the power battery further comprising: a boss (7) provided on the cap plate (1).