Internal circulation oil smoke air purifier device

The utility model discloses an internal circulation oil smoke air purifier device which comprises purification equipment, an air exhaust box is installed on the left side face of the purification equipment, an alarm lamp is installed on the upper surface of the purification equipment, a first baffle is installed on the inner wall of the air exhaust box, and a second baffle is arranged in the air exhaust box. The right side face of the second baffle makes contact with the left side face of the first baffle, a fixing plate is installed on the left side face of the second baffle, and an electric push rod is installed on the inner top wall of the exhaust box. The air exhaust box is arranged to be matched with the supporting plate, when the purification equipment exhausts filtered air outwards through the air exhaust box, the air quality sensor can detect the quality of the filtered air, and when the filtering effect of the purification equipment becomes poor and harmful substances still exist in the air, the air