Locking device for ventilation mesh enclosure of air conditioner

The utility model relates to a locking device for a ventilation mesh enclosure of an air conditioner. The locking device comprises the ventilation mesh enclosure, a sliding switch and an air conditioner panel, a positioning convex block is arranged outside the ventilation mesh enclosure, a sliding cavity is formed in the ventilation mesh enclosure, the sliding cavity comprises a first cavity body and a second cavity body which are communicated with each other, and a plurality of clamping grooves are formed in the outer wall of the positioning convex block; the sliding switch is slidably connected into the sliding cavity. The air conditioner panel is connected with a buckling piece, a plurality of deformable clamping jaws are formed in the buckling piece, all the deformable clamping jaws define a deformation cavity, the deformation cavity comprises a uniform-section cavity and a variable-section cavity, the variable-section cavity is provided with a first end and a second end, and the cross section area of the