Intelligent wall-mounted fresh air system fixing structure

The utility model discloses an intelligent wall-mounted fresh air system fixing structure which comprises a wall-mounted bottom plate, two movable sleeves are fixedly installed on one side of the wall-mounted bottom plate, and the interiors of the two movable sleeves are movably connected with extending supporting rods in a sleeved mode. A bearing plate is movably sleeved outside the two threadedconnecting rods, fresh air system boxes of different sizes are borne, a first clamping plate and a second clamping plate are fixedly installed on one side of the wall-mounted bottom plate in a matchedmode, the fresh air system boxes on the bearing plate are clamped, and after clamping is completed, the bearing plate is connected with the wall-mounted bottom plate in a sleeved mode. In cooperationwith the tightening effect of limiting springs on the outer portions of the two extending supporting rods, the clamping supporting plate at one end of each extending supporting rod is elastically tightened, and therefore the w