AIR PURIFIER

An air purifier, comprising a main purifier body (1), a filter screen (4), a cover plate (2) and a fan (6). An opening is provided in the front end of the main purifier body (1), a frame (3) is provided in the opening, an air inlet is provided in the cover plate (2), an air outlet is provided in the upper end of the main purifier body (1), an air guide plate (5) is provided on the outer side of the filter screen (4), an adjustment mechanism that drives the air guide plate to rock is provided on the frame (3); the lower end of the cover plate (2) is mounted on the main purifier body (1) by means of a hinge, the upper end of the cover plate (2) is provided with an insertion piece (801), an an insertion hole (802) used for insertion of the insertion piece (801) is provided on the main purifier body (1), and a control assembly (8) used to control fixing or separation between the insertion piece (801) and the insertion hole (802) is provided at the position of the insertion hole (802). The flow direction of airflo