Blow molding hollow foldable spare tire cover plate

The utility model relates to a blow molding hollow foldable spare tire cover plate which comprises a cover plate body, and reinforcing ribs are integrally formed in the cover plate body. Supporting legs and a hinge seat fixedly connected with the cover plate body are arranged on the lower plate surface of the cover plate body; the number of the supporting legs is two, and each supporting leg is provided with an M-shaped supporting section and long straight sections arranged at the two ends of the supporting section. A protruding part which forms an angle with the length direction of the long straight section is arranged on the peripheral side of the end part, hinged with the hinge seat, of the long straight section; when the supporting legs rotate and unfold relative to the cover plate body through the hinge seats, the edges of the notches of the hinge seats abut against the protruding parts to limit the rotating angles of the supporting legs. According to the blow-molded hollow foldable spare tire cover plat