Mounting structure for spare tire cover plate of vehicle trunk

The utility model relates to the technical field of automotive upholstery, in particular to a mounting structure for a spare tire cover plate of a vehicle trunk, which comprises a trunk left side decorative plate, a trunk right side decorative plate, a spare tire cover plate positioned inside the trunk and a tool box positioned below the spare tire cover plate, and the spare tire cover plate comprises a first cover plate and a second cover plate. The first cover plate is placed on the tool box and is supported and fixed by the tool box, rotating shafts are arranged on the left and right side wall decoration plates of the luggage case, sliding grooves are formed in the second cover plate, the rotating shafts penetrate through the sliding grooves and can move along the sliding grooves, when the second cover plate is in a horizontal state, the rotating shafts are located at the first ends of the sliding grooves, and the second cover plate and the first cover plate are spliced into a whole. The second cover plate