Air purification device for clean room

The utility model provides an air purification device for a clean room, which relates to the technical field of air purification and comprises an air purification device body, a bearing ring is fixed on the outer surface of the air purification device body, an adjusting structure is arranged on the outer surface of the bearing ring, and the adjusting structure comprises an extension plate. The air purification device comprises an air purification device body, an extending plate is fixed to the outer surface of the air purification device body, a connecting block is fixed to the outer surface of the extending plate, a threaded hole is formed in the position, close to the edge, of the outer surface of the connecting block, and a threaded rod is connected to the interior of the threaded hole through threads. According to the supporting device, the supporting device can be fixed to a table top, the situation that the supporting device falls onto the ground and is damaged due to collision is avoided, meanwhile, th