Air conditioning suit fan

The utility model provides an air conditioning suit fan, which comprises a main shell and a retaining ring detachably sleeved on the main shell, the retaining ring comprises an inner ring and an outer ring, a plurality of slots are arranged around the outer wall of the main shell at equal intervals, inclined positioning ribs are arranged at the upper ends of the slots, a plurality of convex parts are arranged on the positioning ribs, and the convex parts are arranged on the inner ring and the outer ring. A plurality of inserting blocks corresponding to the inserting grooves are arranged on the inner wall of the inner ring in a surrounding mode, the upper end faces of the inserting blocks are parallel to the lower end faces of the positioning ribs and provided with a plurality of arc-shaped positioning grooves, the inner ring is rotationally installed on the main shell, the protruding parts are arranged in the positioning grooves, and the inner ring is sleeved with the outer ring. According to the air conditio