Protective device for safe driving

The utility model discloses a safe driving protection device which comprises a vehicle body, a seat is arranged on the surface of the vehicle body, a head buffering mechanism is arranged on the top face of the seat, a sliding groove is formed in the surface of the vehicle body, and a sliding block is installed on the surface of the sliding groove in a sliding mode. A pull block is moved, a sleeve is driven to move, then a sliding block is driven to move, a hanging ring is moved, the height of a safety belt is adjusted, the safety belt is located at a proper position, and it is guaranteed that the human body cannot be separated from the interior of the safety belt, the pull block is loosened after adjustment, and the pull block is driven to move under the action of reset force of a second spring; the safety belt is fixed by dragging the safety belt and inserting a lock catch into an inserting plate, when the head collides with the buffering headrest, the buffering headrest can slowly move backwards under the a