Adjustable air supply device of air conditioner

The adjustable air supply device comprises an air supply box, an air inlet is formed in the left side of the air supply box, an air outlet is formed in the right side of the air supply box, a filter plate is fixedly connected to the left side of an inner cavity of the air supply box, and a first supporting column is fixedly connected to an inner cavity of the air outlet. The number of the first supporting columns is five, and the surfaces of the first supporting columns are movably connected with first wind shields through bearings. By arranging the air supply box, the effect of fixing the filter plate and the second electric push rod is achieved, the use stability of the filter plate and the second electric push rod is improved, the air inlet is used for inputting air generated by an air conditioner, the air outlet is used for outputting the air generated by the air conditioner, and the filter plate is arranged, so that the use stability of the air conditioner is improved. The air conditioner air supply devi