The utility model relates to the technical field of pedals, and discloses a retractable pedal structure which comprises a shell and a fixing frame fixedly installed on the lower portion of the inner side of the shell, an electric push rod A is movably installed at the position, close to the front side, of the top of the fixing frame, and an opening is formed in the rear side of the shell. The end, away from the fixing frame, of the electric push rod A penetrates through the inner cavity with the opening and is movably provided with a containing plate, and the width of the pedal can be adjusted according to needs through cooperation of an adjusting plate, a fixing rod, a movable block, a connecting rod, a threaded sleeve, a guide block, a ball, a
threaded rod, a rectangular plate, a straight rod, a vertical plate and a synchronous belt. And the requirements of different users are met, the flexibility is high, the using effect is better, movement of the threaded sleeve can be guided and limited through the arrangement of the balls and the guide blocks, the threaded sleeve can stably move front and back,
friction force can be reduced through the arrangement of the balls, and the guiding effect is improved.