Atmosphere jet pump

The utility model discloses an atmosphere jet pump, including the pump body, connecting pipe, be provided with the mixing chamber in the pump body, be provided with on the pump body and be used for the air feed to flow the sunction inlet that gets into the mixing chamber, the discharge port that is used for supplying the jet exit mixing chamber, flange joint has the intake pipe that is used for supplying the air admission mixing chamber on the pump body, mouth of pipe department that the intake pipe is located the mixing chamber is provided with and is used for air spun nozzle with higher speed, connecting pipe one end fixed connection is in discharge port department, and the other end is used for linking to each other with the water ring pump, it has diffuser pipe to peg graft on the interior pipe wall of connecting pipe. The gas of mixing chamber is in diffuser pipe gets into the water ring pump, not with the interior pipe wall direct contact of connecting pipe for wearing and tearing concentrate on diffuse