Automobile safety belt convenient to adjust

The utility model discloses an automobile safety belt convenient to adjust. The device comprises a fixed seat, sliding rods are fixedly connected between the tops and the bottoms of the two sides of an inner cavity of the fixing base. The bottom of an inner cavity of the fixing base is fixedly connected with a servo motor. And the output end of the servo motor is fixedly connected with a threadedrod, the top of the threaded rod is fixedly connected with a fixing base through a bearing, the surface of the threaded rod is in threaded connection with a guide base, the two sides of an inner cavity of the guide base are both in sliding connection with sliding rods, and the two sides of the guide base are both fixedly connected with connecting blocks. According to the utility model, the fixed seat, the sliding rod, the servo motor, the threaded rod, the guide seat, the connecting block, the sliding block, the sliding chute and the buffer device are matched for use; according to the automobile safety belt, the purpo