Oxygen production equipment

The utility model discloses oxygen production equipment which comprises an air inlet assembly, an air buffer tank, two adsorption tanks, a noise elimination exhaust part and a two-position four-way electromagnetic valve, the air outlet end of the air inlet assembly is communicated with the air buffer tank, and the number of the two adsorption tanks is two. The two-position four-way electromagnetic valve is communicated with the two adsorption tanks, the noise elimination exhaust part and the air buffer tank through communicating pipes, the two adsorption tanks are communicated with the oxygen buffer tank through an air outlet pipe, a regulation and control electromagnetic valve is arranged on the air outlet pipe, and an exhaust pipe is arranged on the oxygen buffer tank; the two air outlet pipes are communicated through a connecting piece, and a purging intercepting hole used for communication is formed in the connecting piece; the volume of the air buffer tank is greater than that of the adsorption tank. The