Pole structure, battery top cover 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 pole structure, battery top cover and power battery, the pole structure includes pole body and pole block, the pole body includes riveting portion, cooperation portion and stop portion that gradually increase in size, the riveting portion is provided with preset riveting taper hole, the cooperation portion passes through the pole hole of top cover plate, and the stop portion is provided with the riveting taper hole. The abutting part and the lower surface of the top cover plate are arranged in an insulated mode, and the pole block is arranged on the riveting part in a sleeving mode and is riveted to the pole body. After the terminal post body and the terminal post block of the terminal post structure are riveted, the axial deformation of the terminal post body is small, the radial deformation of the upper end of the terminal post body is large, the radial deformation of the lower end of the terminal post body is small, and the upper surface of the riveted terminal post block is s