Switch rotating arm for check valve

The utility model relates to the field of valve control, in particular to a switch rotating arm for a check valve, which comprises a valve body, the valve body is horizontally arranged, a circulation hole is arranged in the valve body and extends along the length direction of the valve body, one end of the valve body is provided with a fixing block, the fixing block is arranged on the outer side of the valve body, and the fixing block is provided with a rotating arm. One end of the rotating arm is rotationally connected to the fixing block, a valve is arranged at the end, away from the fixing block, of the rotating arm and matched with the circulation hole of the valve body, a fixing piece used for connecting the valve and the rotating arm is arranged between the valve and the rotating arm, a rack is arranged on the side, away from the valve, of the rotating arm, a gear is arranged on the side, away from the rotating arm, of the rack, and the gear is rotationally connected into the fixing piece. The fixing pi