Elevator car capable of achieving ventilation and air exchange

The invention discloses an elevator car capable of achieving ventilation and air exchange. The elevator car comprises a car body, an air deflector and a damping mechanism. A main ventilation pipe is arranged in the middle of the upper end of the car body. The lower end of the main ventilation pipe communicates with an air outlet cover. The air deflector is arranged below the air outlet cover. The inner side wall, close to the bottom end, of the car body is fixedly connected with a supporting plate. A seat board is arranged inside the supporting plate. The middle of the bottom end of the seat board is fixedly connected with a threaded rod, and the threaded rod is fixedly connected with a first bevel gear. One side of the first bevel gear is engaged with a second bevel gear. The middle of the second bevel gear is fixedly connected with a rotating rod. The end, far away from the second bevel gear, of the rotating rod is fixedly connected with a third bevel gear. The damping mechanism is arranged at the bottom en