Disassembling and assembling tool for locking bolt of automobile spare tire

The utility model discloses an automobile spare tire locking bolt disassembling and assembling tool, and relates to the technical field of automobile production and maintenance. The dismounting device comprises a dismounting part, a mounting seat is arranged above the dismounting part, a rotating block is arranged above the dismounting part, trapezoidal blocks are symmetrically arranged on the edges of the left side and the right side of the rotating block, and square blocks matched with the trapezoidal blocks are arranged on the lower wall of the rotating block. The dismounting and mounting piece is clamped on the outer side of the top of the locking bolt, a worker operates the electric gun to drive the dismounting and mounting piece to rotate so as to dismount the locking bolt, and when the locking bolt is dismounted and mounted, the square block and the trapezoidal block are matched so that the locking bolt can keep a locking torque within a certain range, and the dismounting and mounting efficiency is imp