Slide vane, pump body assembly, compressor and air conditioner having same

A pump body assembly, comprising:

• a cylinder assembly;
• a flange portion, wherein the flange portion is connected to the cylinder assembly, a working cavity is formed between the flange portion and the cylinder assembly, and an avoidance portion is provided on a surface, located in the working cavity, of the flange portion;
• a rotating shaft, wherein the rotating shaft passes through the flange portion and the cylinder assembly, and the rotating shaft is provided with a slide vane groove;
• a slide vane, wherein the slide vane is slidably provided in the slide vane groove, an end face, towards the flange portion, of the slide vane is provided with an accommodation portion, a limiting structure is provided in the accommodation portion, the limiting structure is provided with an avoidance position in the accommodation portion, and at least part of the limiting structure is provided with a limiting position protruded out of a surface of the accommodation portion;
• wherein, the rotating shaft drives the slide vane to be rotated, such that the working cavity corresponding to the slide vane performs an air suction operation and an air exhaust operation, when the working cavity performs the air suction operation, the limiting structure cooperates with the avoidance portion, such that the limiting structure is located at the limiting position, and a head of the slide vane is arranged at a distance from a cavity wall of the working cavity;
• and wherein
• the limiting structure comprises:
• a ball, the ball is moveably provided in the accommodation portion;
• and
• a spring, the spring is provided in the accommodation portion, a first end of the spring is pressed against a side wall of the accommodation portion, and a second end of the spring is pressed against the ball, when the working cavity performs the air suction operation, a pre-tightening force is applied to the ball by the spring, such that a part of the ball is positioned outside the accommodation portion.