Device for disconnecting binding leg bands conveniently for three-legged race

The invention belongs to the field of athletic sports appliances, and relates to a device for disconnecting a binding leg bands conveniently for a three-legged race. The device is characterized in that two binding bands made of thick cloths are provided with the following components: a rubber left connecting piece and a rubber right connecting piece are sewn and glued to the inner sides of the two binding bands, a plug pin penetrates through a circular hole of the left connecting piece and a circular hole of the right connecting piece to connect the left connecting piece and the right connecting piece, the two ends of a rope band are connected with a plug pin upper ring and a handle respectively, loop chain faces of binding chains are sewn and connected to the inner sides of the front ends of the two binding bands, and hook chain faces of the binding chains are sewn and connected to the outer sides of the rear ends of the two binding bands. The device has the advantages that the binding bands fasten the shanks through the binding chains, the contact area is relatively large, the legs cannot be pinched, operation is easy, time and labor are saved, and the defects that formerly, a rope is narrow, the cloth bands bind the shanks too tightly, the legs are pinched, or the cloth bands bind the shanks too loosely, movement consistency is influenced, and race demands are not met are avoided; the plug pin is made to be separated from the hole of the left connecting piece and the hole of the right connecting piece by lifting the handle, and the two binding bands are separated, the situation that participants fall down and are hurt due to association can be avoided effectively.