On -vehicle air filter

The utility model relates to an on -vehicle air filter, the on -off device comprises a base, the lower surface of base is provided with the shock pad, the upper surface of base is provided with the casing, the one end evenly distributed who is close to the base on the casing has the air intake, air intake department is provided with the filter screen, be provided with arc wall A and arc wall B on the casing internal surface, be provided with filtering mechanism in arc wall A and the arc wall B respectively and air exhaust the frame, filtering mechanism and air exhaust and be provided with flexible connectors between frame and the casing internal surface, flexible connectors respectively and the filtering mechanism and the fixed connection between the frame that airs exhaust, the center of the frame of airing exhaust is provided with the exhaust fan, the exhaust fan is connected with drive arrangement, drive arrangement's top is provided with the air outlet, the top of casing is provided with network structure