FULL-AUTOMATIC FASTENING AND UNFASTENING DEVICE FOR AUTOMOBILE SAFETY BELT

Disclosed is a full-automatic fastening and unfastening device for an automobile safety belt. The device comprises a seat pan, a motor is mounted at the center of one side of the seat pan, a first right-angle gear is mounted at an output end of the motor by means of a coupling, an overlapped semicircular track is mounted at a middle position of the bottom end of the side of the seat pan close to the motor, and supports are mounted on the two sides of the bottom of an inner surface of the overlapped semicircular track. According to the present utility model, a safety belt detection sensor is used for detecting whether a safety belt is at a specified position, a seat pressure sensor is used for detecting whether a person sits on a seat, and when an instant electric signal is generated when an automobile runs for about 20 kilometers per hour, the motor drives the first right-angle gear to rotate; the first right-angle gear, a second right-angle gear, and a spur gear cooperate with one another, and the whole devi