The utility model relates to the technical field of percussion instruments, and discloses a music
rhythm percussion instrument which comprises a support, the top end of the support is fixedly connected with a bracket, the bracket is internally provided with a drum body, the inner wall of the drum body is fixedly connected with drum leather, and the drum body is internally provided with a volume adjusting mechanism. The volume adjusting mechanism comprises two fixing shells and two supporting plates, and the outer surface of each hand screw is fixedly connected with an auxiliary bearing. According to the music
rhythm percussion instrument, through mutual cooperation of the support, the bracket, the drum body, the drum leather, the fixing shell, the supporting block, the hand-screwing screw rod, the top disc, the auxiliary bearing, the non-slip mat, the supporting plate, the fixing cylinder, the sliding rod, the soft
bristle plate, the
damper and the back-jacking spring, the drum body with the drum leather can be supported by the support and the bracket, so that the hand-screwing screw rod can be conveniently screwed; and under the assistance of the auxiliary bearing, the supporting block can be gradually jacked up in the fixed shell by the jacking disc and the non-slip mat, and the soft
bristle plate is gradually close to the drum leather until being gradually clung to the bottom surface of the drum leather.