Battery top cover and power battery

• Main Authors: TANG YAOHUI, LI JIANJU
• Format: Patent
• Language: Chinese; English
• Published: 03.01.2023
• 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 and a power battery, the battery top cover comprises a top cover piece, a pole piece, a rubber coating piece and a sealing piece, the top cover piece is provided with a pole hole, the pole piece comprises a pole body and a pole end plate, the pole end plate is connected to one end of the pole body, the pole body is provided with a first annular boss, and the first annular boss is provided with a second annular boss. The first annular boss and the pole end plate are arranged at an interval, the rubber coating piece is arranged on the pole body in a sleeving manner and abuts against the top cover plate, a matching sinking groove matched with the first annular boss is formed in the rubber coating piece, and the sealing piece is arranged on the pole body in a sleeving manner and is clamped between the top cover plate and the pole end plate. According to the battery top cover, the phenomenon that the normal installation of the rubber coating part is affected due to t