Battery top cover assembly and power battery

• Main Authors: FAN HONGBIN, LI JIANJU
• Format: Patent
• Language: Chinese; English
• Published: 27.09.2022
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The utility model discloses a battery top cover assembly and a power battery, the battery top cover assembly comprises a top cover piece, an upper plastic piece, a lower plastic piece and a pole piece, the top cover piece is provided with a pole hole and a matching groove arranged around the pole hole, the upper plastic piece is matched in the matching groove, the lower plastic piece is attached to the bottom wall of the top cover piece, and the pole piece is arranged on the top cover piece. The pole piece is arranged in the pole hole in a matched mode and sequentially penetrates through the lower plastic piece, the top cover piece and the upper plastic piece from bottom to top, the pole piece is provided with a bent turnup, the bent turnup is pressed on the upper plastic piece after being bent, and the top wall of the bent pole piece is higher than the top wall of the top cover piece. The size of the upper portion of the top cover piece of the battery top cover assembly is relatively small, the height size o