Adjustable water vapor ejector

The utility model discloses an adjustable water vapor ejector, which belongs to the technical field of ejectors and comprises a water inlet, a water inlet chamber, a vapor inlet, a vapor inlet chamber, a mixing chamber, a vapor inlet hole and a diffusion chamber, the water inlet is communicated with the water inlet chamber, the vapor inlet is communicated with the vapor inlet chamber, the vapor inlet chamber is communicated with the mixing chamber through the vapor inlet hole, and the mixing chamber is communicated with the diffusion chamber through the vapor inlet hole. A communicating passage which is sequentially communicated with the water inlet chamber, the mixing chamber and the diffusion chamber is formed in the central axis direction of the water inlet chamber and is of a tubular structure with the same axis, and an adjusting core is arranged in the center of the water outlet end of the water inlet chamber and can move in the mixing chamber in the central axis direction of the mixing chamber; the adju