Ejector capable of synchronously adjusting air doors

The utility model discloses an ejector capable of synchronously adjusting air doors, which comprises a first ejector pipe, a second ejector pipe and a nozzle seat, and a first nozzle and a second nozzle are arranged on the nozzle seat. The first nozzle is connected with the first air flap; the second nozzle is connected with the second air flap; the spiral line directions of the internal threads on the first air door sheet and the internal threads on the second air door sheet are opposite, the adjusting gear is driven to rotate by adjusting the soft cable wire, the first air door sheet and the second air door sheet synchronously move front and back along the first nozzle and the second nozzle, and the distance between the first air door sheet and the nozzle seat and the distance between the second air door sheet and the nozzle seat are adjusted. And synchronous adjustment of the primary air premixing concentration of the first injection pipe and the second injection pipe is achieved. The utility model not onl