Vehicle-mounted air purifier

The utility model discloses a vehicle-mounted air purifier, and belongs to the technical field of automobile accessories. The vehicle-mounted air purifier comprises a magnetic attraction support and a purifier body, the purifier body is installed on the magnetic attraction support in a magnetic attraction mode, the purifier body comprises a shell, a composite fiber air filter cylinder, side edge sealing covers and an axial flow fan, an air inlet is formed in the shell, the composite fiber air filter cylinder is sleeved with the shell, the side edge sealing covers are connected to the two ends of the shell in a clamped mode, and the axial flow fan is arranged in the shell. And an interface is formed in the inner surface of the side edge sealing cover. The shell of the vehicle-mounted air purifier is composed of the outer shell and the side edge sealing cover which are connected in a clamping mode, after the sealing cover on one side or two sides is detached, the filter cartridge can be taken out, detaching and