Simple square battery end cover and square battery

• Main Authors: DING KUN, WANG ZHENGWEI, ZHOU HUSEN, LIU FUZHAO
• Format: Patent
• Language: Chinese; English
• Published: 29.07.2022
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The invention relates to a simple square battery end cover and a square battery, the simple square battery end cover comprises a cover plate, the cover plate is provided with a safety valve hole, a liquid injection hole, an insulation groove and a pole through hole, a safety valve sheet is fixed in the safety valve hole, the liquid injection hole is sealed through a sealing rubber plug, the insulation groove is non-circular, and an insulation plastic part matched with the insulation groove in shape is installed in the insulation groove; the pole through hole penetrates through the insulating groove and the insulating plastic part; grid plates are arranged at the positions, corresponding to the safety valve hole and the liquid injection hole, of the two ends of the positive support, and conductive holes corresponding to the pole through holes are formed in the positive support; the pole assembly comprises a positive pole and a positive connecting piece, the positive connecting piece is provided with a connecti