Buffer device

The invention discloses a buffer device used for collision and buffer of sports equipment. The buffer device comprises a connecting plate, an empty chamber, a collision part, an air bag, and a drivingpart; one side face of the connecting plate is connected with the sports equipment, and the other side face of the connecting plate is fixedly connected with the empty chamber; the empty chamber is internally accommodated with the air bag; the collision part comprises a collision plate and a telescopic structure; the collision plate is connected with the connecting plate through the telescopic structure; the collision plate moves to the direction of the connecting plate along with the telescopic structure when the collision plate is subjected to the impact force; the driving part comprises adriving rod and a forced plate; one end of the driving rod is vertical to the board of the forced plate and fixedly connected with the board of the forced plate, and side wall of the empty chamber relative to the connecting pl