Automobile air conditioner with novel air door driving structure

The invention discloses an automobile air conditioner with a novel air door driving structure. The automobile air conditioner comprises a rocker arm and an air door, wherein fan-shaped splines are arranged on the rocker arm, a conical head is arranged at the front end of the rocker arm, a polished rod is arranged in the middle of the rocker arm, a shaft hole is formed in the air door, spline grooves are formed in the inner wall of the shaft hole, an inclined face is arranged in the shaft hole, the number of the fan-shaped splines is three, the angles of the fan-shaped splines are different, the spline grooves are correspondingly matched with the fan-shaped splines, the spline grooves and the fan-shaped splines play a role in limiting and mistake proofing in the radial direction to effectively prevent mistaken assembly and improve the assembly accuracy, the inclined face is correspondingly matched with the conical head, and the conical head is limited through the inclined face, so thatthe rocker arm is prevent