Efficient air purifier

The utility model discloses an efficient air purifier, relates to the technical field of air purifiers, the efficient air purifier comprises a shell, a control panel is fixedly installed outside the shell, and a protection mechanism comprises a first installation plate, a sliding groove, a second installation plate, an installation hole, a rotating shaft and a protection plate. At the moment, a rotating shaft outside the protection plate is inserted into a mounting hole located outside the first mounting plate, the second mounting plate slides downwards to enable the first mounting plate to be slidably connected to the outside of the rotating shaft through the mounting hole, at the moment, the protection plate is mounted, and a user uses the purifier operation panel to adjust parameters of the air purifier; after adjustment is completed, the protection plate is rotated to cover the control panel, at the moment, the protection plate provides protection for the control panel, damage caused by collision between