Air purifier with air inlet opening and closing structure

The utility model discloses an air purifier with an air inlet opening and closing structure, which is characterized in that a plurality of strip-shaped air inlet holes are arranged on the side wall of a shell of the air purifier, a valve is arranged on the inner side of the side wall of the shell, a plurality of blades are arranged on the valve, the valve can slide relative to the side wall of the shell, and the air inlet opening and closing structure is arranged on the side wall of the shell. The blades can completely shield or not shield the air inlet holes, and opening and closing of the air inlet are achieved. A stepping motor is arranged on the inner side of the side wall of the shell, and the stepping motor rotates to drive the valve to slide relative to the side wall of the shell. According to the air purifier with the air inlet opening and closing structure, when the air purifier does not work, the air inlet can be closed, and therefore mosquitoes and the like are prevented from entering the air purif