Electric vehicle battery pack metal plate box

The utility model discloses an electric automobile battery pack metal plate box, which belongs to the field of automobile battery metal plate boxes and comprises a box body and an upper cover plate, a bottom plate is arranged at the bottom of the box body, an upper lip plate is arranged on the outer side of the top of the box body, and longitudinal ribs are longitudinally arranged on the lower surface in the box body. Longitudinal ribs are arranged on the surface of the inner side of the box body, transverse ribs are evenly arranged on the surfaces of the two sides of the longitudinal ribs, protruding blocks are evenly arranged on the surface of the inner side of the box body, the protruding blocks are arranged in groups, two protruding blocks are symmetrically arranged in each group, the protruding blocks correspond to the transverse ribs in position, spring pieces are arranged on the lower portions of the surfaces of the inner sides of the protruding blocks, and limiting sliding grooves are formed in the up