Automatic filtering, desulfurizing and purifying air cleaning bag for sucking and grabbing haze dust during running of vehicle

The invention relates to an atmospheric pollution purification device, in particular to an automatic filtering, desulfurizing and purifying air cleaning bag for sucking and grabbing haze dust during running of a vehicle. According to the invention, an air cleaning bag body is fixed at the top of a vehicle and has an opening opposite to the running direction of the vehicle; ornaments cover the surfaces of fan protective covers located on two sides of the upper surface of a cover; big-gear suction fans are started as air flow enters the bag body, assisting fans on two outer sides of the bag bodyare simultaneously started, and a plurality of brush gears in the bag body rotate and are meshed with each other to circularly and repeatedly conduct filtration and desulphurization; filtration, purification and desulfurization liquid is located at the bottom of the bag; the main power of the gears drives brush blocks of a plurality of guide gears and passive gears in the bag body through rotation; the brush blocks sweep