Badminton forearm internal rotation exercise device

The utility model provides a badminton forearm internal rotation exercise device, which comprises a base, and one side of the base is fixedly connected with a support plate; the positioning seat is arranged on the supporting plate, a limiting interval is arranged on the positioning seat, and the limiting interval is matched with the motion trail of the forearm internal rotation hitting ball; the handle is arranged in the limiting interval, a transmission part corresponding to the handle is arranged in the positioning seat, and the handle is in sliding fit with the limiting interval through the transmission part; and the resistance part is arranged in the positioning seat, the resistance part is provided with a clamping end corresponding to the transmission part, the clamping end adjustably slides relative to the positioning seat, and the clamping end is used for providing movement obstruction for the transmission part. According to the utility model, the resistance can be effectively adjusted, the training ef