Molecular sieve air separation oxygen production device

The utility model discloses a molecular sieve air separation oxygen generation device, which belongs to the technical field of separation oxygen generation devices and comprises an oxygen separation disc, a screening pipe is arranged at the top of the oxygen separation disc, a dismounting assembly is mounted on the surface of the screening pipe, an air inlet pipe is connected to the bottom of the oxygen separation disc, and a filter assembly is embedded in the air inlet pipe. According to the utility model, the dismounting assembly is arranged, the connecting rod is rotated to enable the connecting block to enter the through groove, the control rod is rotated to enable the lifting seat to move downwards under the meshing connection between the control rod and the lifting seat, and the connecting block can pull the air separation disc to be tightly connected with the screening pipe, so that the connecting and assembling operation is simpler and more convenient; through a three-point stress mode, the sealing pe