Magnetic type replaceable rotary pistol brush

The utility model discloses a magnetic suction type replaceable rotary pistol brush which comprises a pistol-shaped brush handle, one side of the pistol-shaped brush handle is fixedly connected with a magnetic rotating shaft, one side, away from the pistol-shaped brush handle, of the magnetic rotating shaft is connected with a magnetic suction head in a magnetic suction mode, and one side, away from the magnetic rotating shaft, of the magnetic suction head is provided with a first clamping hole. The side, provided with the first clamping hole, of the magnetic suction head is detachably connected with a connecting block, and the side, facing the magnetic suction head, of the connecting block is fixedly connected with a first clamping block matched with the first clamping hole. The replaceable brush head is adopted and connected with the pistol brush handle in a magnetic attraction mode, and the brush head can rotate by 360 degrees at will, so that a brusher can replace brush heads of different types at will in