Improved structure of molecular sieve

Abstract

The invention discloses an improved structure of a molecular sieve, belongs to an oxygenerator air filtering device, and aims to provide a molecular sieve used for improving air filtering quality and prolonging the service life of a piece of a filtering paper. The improved structure comprises a top cover and a bottom cover which are arranged on the two ends of the screen drum and are tightened by a threaded rod, an air outlet nozzle fixed on the top cover, an air inlet nozzle fixed on the bottom cover, a filtering material filled in a screen drum, filtering plates arranged above and below the filtering material, and multiple pieces of filtering papers arranged on the surfaces of the filtering plates, wherein a lining (8) is arranged between the piece of filtering paper (3) positioned below the filtering material (5) and the bottom cover (10), a spring (2) is arranged between the piece of filtering paper (3) positioned above the filtering material (5) and the top cover (12), and the top cover (12) and the bottom cover (10) are both provided with sealing rings (11). The improved structure provided by the invention has the advantages that the density of the filtering material is controlled, smooth ventilation is also guaranteed, and the improved structure is the oxygenerator air filtering device.

Description

technical field [0001] The invention relates to a molecular sieve, in particular to an improved molecular sieve structure, which belongs to the air filter device of an oxygen generator. Background technique [0002] Molecular sieve is an important part of an oxygen generator, usually consisting of a cylinder with an air inlet nozzle and an air outlet nozzle, a filter material packed in the cylinder body, a filter plate at the top and bottom of the filter material, and a filter plate on the surface of each filter plate. It is composed of filter paper; although its structure is relatively simple, it has the following disadvantages: [0003] 1) The filter material is in a loose state in the cylinder, and it is easy to cause the density to be difficult to control due to changes in air humidity, which affects the quality of air filtration; [0004] 2) The filter paper is directly in contact with the top cover and the bottom cover, which not only hinders the air intake and outlet...

AI Technical Summary

Problems solved by technology

[0003] 1) The filter material is in a loose state in the cylinder, and it is easy to cause the density to be difficult to control due to changes in air humidity, which affects the quality of air filtration;

[0004] 2) The filter paper is directly in contact with the top cover and the bottom cover, which not only hinders the air intake and outlet, but also easily causes concentrated pollution or damage to the area of ​​the filter paper corresponding to the air intake nozzle and the air outlet nozzle, and the filter paper is replaced frequently;

[0005] 3) There is no sealing ring on the top cover and bottom cover, which not only affects the quality of air filtration, but also requires high processing accuracy

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