Air return port structure of central air conditioner

• Main Authors: JIANG JIYUAN, XIAO HONGXIAN
• Format: Patent
• Language: Chinese; English
• Published: 13.12.2022
• Subjects: AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING; BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; RANGES; VENTILATING; WEAPONS

The utility model discloses a central air conditioner return air inlet structure which comprises a return air box, a clamping plate is connected inside the return air box in a sliding mode, the clamping plate extends to the outside of the return air box, and a positioning mechanism used for controlling the position of the clamping plate is arranged between the clamping plate and the return air box. The positioning mechanism comprises a rotating rod, a sliding block, a positioning rod, an insertion cylinder and a first spring, the rotating rod is fixedly connected to the surface of the clamping plate and extends to the outside of the air return box, the sliding block is slidably connected to the outer wall of the rotating rod, the positioning rod is fixedly connected to the surface of the sliding block, the insertion cylinder is fixedly connected to the surface of the air return box, and the first spring is fixedly connected to the surface of the air return box. According to the technical scheme, the air retur