Cabinet air conditioner with exhaust port sliding door

The invention provides a cabinet air conditioner which is provided with an automatic door at an exhaust port, has simple structure, low cost, smooth slide and can be conductive to the market competition and ensure long-term effective use, and the cabinet air conditioner can optimize the problems of noise and stability of the sliding door of the cabinet air conditioner during sliding. The cabinet air conditioner comprises: a cabinet body of the air conditioner, an upper panel body, a lower panel body, a sliding door part, a door drive device and an air outlet frame, wherein, the door drive device comprises a hydraulic transmission device and a connecting plate device; the hydraulic transmission device and the connecting plate device are positioned at the bottom part of the sliding door; the hydraulic transmission device comprises a hydraulic cylinder and a piston which is positioned at the position of an opening at the top surface of the hydraulic cylinder and can move up and down; the top part of the connecting plate device is connected with the bottom part of the sliding door in a fastening way, and the bottom part of the connecting plate device is connected with the piston by a fastening device.