New energy automobile battery pack

The invention relates to the technical field of battery packs, and provides a new energy automobile battery pack which comprises an outer-layer box body, a protective lining assembly, a reinforcing rod and a bottom supporting cover plate, the protective lining assembly is located in the outer-layer box body and comprises a protective lining main body, the reinforcing rod is embedded in the protective lining main body, and the bottom supporting cover plate is arranged on the protective lining main body. The bottom supporting cover plate is located below the outer-layer box body, the lower portion of the reinforcing rod is connected with the bottom supporting cover plate, the protective lining body comprises a protective outer sleeve, a buffering filling layer and an elastic supporting part, the inner side of the protective outer sleeve is filled with the buffering filling layer and the elastic supporting part, and the elastic supporting part comprises a spherical piece, a supporting piece and a second through