Casing of external part of air conditioner

The utility model relates to a casing of the external part of an air conditioner. A fixed supporting frame 2 is fixed on the upper part of a turning point of an L-shaped fixed plate 1, a plurality of movable supporting frames 3 are connected with the L-shaped fixed plate 1 in turn, the outer part of the fixed supporting frame 2 and the movable supporting frames 3 is fixedly connected with a casing 4, and a plurality of buckles 6 are fixed on the outer part of the side surface of the casing 4. The utility model utilizes the movable supporting frames and plurality of buckles 6 fixed on the outer part of the side surface of the casing in order to adjust the shielding range of the casing, and thus the utility model can be used for shielding rain and preventing sunshine in summer with favorable effect on ventilation and heat dissipation and shielding snow and avoiding dust in winter. The utility model has the advantages of convenient installation and easy adjustment.