Bottom shell of battery pack, battery pack and electric equipment

The utility model discloses a bottom shell of a battery pack, the battery pack and electric equipment, the shell of the battery pack comprises: a bottom shell main body, in which an accommodating cavity is formed; the inner cooling fins are arranged on the inner surface of the bottom shell main body, the inner cooling fins and the bottom shell main body are integrally formed, and the inner cooling fins divide the containing cavity into a plurality of sub containing cavities used for containing battery cells. Through the combination of the bottom shell main body and the inner radiating fins, the battery pack can form a radiating integrated structure, so that the influence on adjacent battery cells due to overheating and thermal runaway of the battery cells is avoided, and the safety and the reliability of the battery are improved. 本实用新型公开了一种电池包的底壳、电池包以及用电设备，电池包的壳体包括：底壳主体，所述底壳主体内形成有容纳腔；及内散热片，所述内散热片设置于所述底壳主体的内表面上，所述内散热片与所述底壳主体一体成型，所述内散热片将所述容纳腔分隔成多个用于容纳电芯的子容纳腔。通过底壳主体和内散热片的组合，可以使电池包形成散热一体化的结构，避免电芯过热以及热失控影响到相邻电芯，提升