Universal spare tire subwoofer box body for automobile

The utility model discloses a universal spare tire subwoofer box body for an automobile, which relates to the field of subwoofer box bodies and comprises a subwoofer box body, a cavity is arranged in a hub, a fixed plate is fixed at the top of the subwoofer box body, a movable plate is movably sleeved on the top of a first through hole on a fixed rod, and the movable plate is provided with a first through hole. And a second rotating shaft movably penetrates through the second open groove, a rotating baffle is rotationally connected to the outer side of the supporting base, and a reset mechanism is arranged between the rotating baffle and the supporting base. When the subwoofer box body is placed, the supporting rod is placed in the cavity, the fixed rod is moved downwards through the weight of the subwoofer box body, the movable plate is pressed on the hub, the supporting rod moves downwards, the rotating baffle rotates outwards with the second rotating shaft as the axis, and the movable plate and the rotatin