Terminal surface drainage structure's aluminum hull cylinder battery

Terminal surface drainage structure's aluminum hull cylinder battery, housing assembly is formed by aluminum hull and upper and lower two negative pole rivet riveting, anodal aluminium lid sub -assembly is formed with the positive rivets riveting by anodal aluminum cover board, electric core combination spare comprises water conservancy diversion strip, anodal collecting strip, electric core, negative current collection piece and supplementary sheetmetal, fixed good electric core combination spare is arranged in the housing assembly to centre bore through electric core combination spare adopts resistance to weld to be in the same place supplementary sheetmetal and the welding of negative pole rivet, housing assembly seals water conservancy diversion strip and the welding of anodal aluminium lid sub -assembly behind the slot rolling. The utility model discloses a sealed reliability of battery has been guaranteed as positive and negative poles mast to the rivet, also does benefit to the battery cluster and conn