Filtering silencer for oxygen generator

Abstract

The utility model provides a filtering silencer for an oxygen generator, which relates to the technical field of oxygen generator filtering silencers, and comprises a filtering barrel, a first-stage filtering net is arranged in the filtering barrel, a second-stage filtering net is arranged in the filtering barrel, the second-stage filtering net is arranged on the side of the first-stage filtering net, and the second-stage filtering net is arranged on the side of the second-stage filtering net. And a third-stage filter screen is arranged in the filter barrel and is arranged on the side of the second-stage filter screen. According to the air purifier, the third-stage filter screen, the second-stage filter screen and the first-stage filter screen are arranged in the filter barrel, so that air can be filtered layer by layer, particulate matters and pollutants in the air can be effectively removed, and purer oxygen can be provided; the outer sides of the third-stage filter screen, the second-stage filter screen and the first-stage filter screen are each provided with a sound insulation cover, the sound insulation covers are beneficial to weakening airflow noise layer by layer, the sound insulation covers are matched with a sound absorption box, noise absorption is facilitated, and therefore the noise volume is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of oxygen concentrator filter silencers, in particular to a filter silencer used for an oxygen concentrator. Background Art

[0002] Oxygen generator is a type of machine that produces oxygen. Its principle is to use air separation technology. First, the air is compressed at a high density, and then the different condensation points of the components in the air are used to separate the gas and liquid at a certain temperature, and then distilled to separate it into oxygen and nitrogen. In general, since it is mostly used to produce oxygen, people are accustomed to calling it an oxygen generator. Since oxygen and nitrogen have a wide range of uses, oxygen generators are also widely used in the national economy. Especially in metallurgy, chemical industry, petroleum, defense and other industries, it is used most.

[0003] In the prior art, when the oxygen generator is in use, the airflow noise inside the filter is too loud, which easily generates a loud noise. The loud noise easily affects people's normal life and causes inconvenience in use. Utility Model Content

[0004] The utility model mainly provides a filter silencer for an oxygen concentrator which reduces filter noise and facilitates normal use by people.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a filter silencer for an oxygen concentrator, comprising a filter barrel, a first-stage filter screen is arranged inside the filter barrel, a second-stage filter screen is arranged inside the filter barrel, the second-stage filter screen is arranged on the side of the first-stage filter screen, a third-stage filter screen is arranged inside the filter barrel, the third-stage filter screen is arranged on the side of the second-stage filter screen, a soundproof cover is arranged on the outside of the third-stage filter screen, the second-stage filter screen and the first-stage filter screen, and a plurality of sound-absorbing boxes are distributed on the outside of the soundproof cover, and the third-stage filter screen, the second-stage filter screen and the first-stage filter screen are arranged inside the filter barrel, which is conducive to filtering the air layer by layer, effectively removing particulate matter and pollutants in the air, and thus facilitating the provision of purer oxygen, and the third-stage filter screen, the second-stage filter screen and the first-stage filter screen are all installed on the outside of the soundproof cover, the soundproof cover is conducive to weakening the airflow noise layer by layer, and cooperates with the sound-absorbing box to absorb the noise, thereby reducing the noise volume, providing a quieter environment, reducing the interference of noise to users, and improving the comfort of use.

[0006] Preferably, sound-absorbing cotton is arranged on the outside of the filter barrel, a sound insulation layer is arranged on the outside of the sound-absorbing cotton, and a sound insulation sleeve is arranged on the outside of the sound insulation layer. The sound-absorbing cotton sleeve is arranged on the outside of the filter barrel, which is conducive to absorbing noise. The sound insulation layer and the sound insulation sleeve are used together to isolate noise, further reduce the noise generated when the oxygen concentrator is working, reduce the impact of noise on people, and provide a good use environment.

[0007] Preferably, mounting rings are provided at both ends of the filter barrel, and a fixing piece is provided on the outer side of a single mounting ring, which is sleeved on both ends of the filter barrel through the mounting ring, which is convenient for installing the fixing piece.

[0008] Preferably, an oxygen inlet end is provided at one end of the filter barrel, and a plurality of fasteners are distributed around the outer side of the oxygen inlet end. By pulling the oxygen inlet end toward the outside, the fasteners can be separated from the fixing parts. The operation is convenient and fast, which is conducive to the installation and disassembly of the oxygen inlet end and facilitates the comprehensive cleaning of the interior of the filter barrel. The oxygen inlet end is conducive to the entry of air.

[0009] Preferably, an oxygen exhaust terminal is provided at the other end of the filter barrel, and the inner side of the oxygen exhaust terminal is connected with the interior of the filter barrel, so that the oxygen exhaust terminal facilitates the discharge of purified air.

[0010] Preferably, one end of the snap member is snapped onto the fixing member, and a fixing seat is provided between the other end of the snap member and the outer side of the oxygen inlet end. The snap member and the fixing member are snapped onto each other, which facilitates the stably installation of the oxygen inlet end at one end of the filter barrel, thereby improving the stability and reliability of the oxygen inlet end.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, a third-stage filter, a second-stage filter and a first-stage filter are arranged inside the filter barrel, which is conducive to filtering the air layer by layer, effectively removing particulate matter and pollutants in the air, and thus providing purer oxygen. The third-stage filter, the second-stage filter and the first-stage filter are all installed with sound insulation covers on the outside, which is conducive to weakening the airflow noise layer by layer, and cooperates with the sound-absorbing box to absorb noise, thereby reducing the noise volume, providing a quieter environment, reducing the interference of noise to users, and improving the comfort of use.

[0013] 2. In the utility model, the sound-absorbing cotton sleeve is arranged on the outside of the filter barrel, which is conducive to absorbing noise. The sound insulation layer and the sound insulation sleeve are used to isolate the noise, further reduce the noise generated when the oxygen concentrator is working, reduce the impact of noise on people, and provide a good use environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional diagram of a filter silencer for an oxygen concentrator is provided for the utility model;

[0015] Figure 2 Another structural schematic diagram of a filter silencer for an oxygen concentrator proposed by the utility model;

[0016] Figure 3 The utility model provides a schematic diagram of the exploded structure of a filter silencer for an oxygen concentrator;

[0017] Figure 4 The utility model provides a schematic diagram of the internal cross-sectional structure of a filter silencer for an oxygen concentrator;

[0018] Figure 5 The utility model provides a cross-sectional structural schematic diagram of a filter assembly of a filter silencer for an oxygen concentrator.

[0019] Legend: 1. Filter barrel; 2. Soundproof cover; 3. Third-stage filter; 4. Second-stage filter; 5. First-stage filter; 6. Sound-absorbing box; 7. Sound-absorbing cotton; 8. Sound-insulating layer; 9. Sound-insulating sleeve; 10. Mounting ring; 11. Oxygen exhaust terminal; 12. Oxygen inlet terminal; 13. Fastener; 14. Fixing part. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] See also Figure 1-Figure 5The utility model provides a technical solution: a filter silencer for an oxygen concentrator, comprising a filter barrel 1, a first-stage filter screen 5 is arranged inside the filter barrel 1, a second-stage filter screen 4 is arranged inside the filter barrel 1, the second-stage filter screen 4 is arranged on the side of the first-stage filter screen 5, a third-stage filter screen 3 is arranged inside the filter barrel 1, the third-stage filter screen 3 is arranged on the side of the second-stage filter screen 4, a soundproof cover 2 is arranged outside the third-stage filter screen 3, the second-stage filter screen 4 and the first-stage filter screen 5, and a plurality of sound-absorbing boxes 6 are distributed outside the soundproof cover 2, through the filter barrel 1 A third-stage filter 3, a second-stage filter 4 and a first-stage filter 5 are arranged inside, which are conducive to filtering the air layer by layer, effectively removing particulate matter and pollutants in the air, and thus are conducive to providing purer oxygen. A soundproof cover 2 is installed on the outside of the third-stage filter 3, the second-stage filter 4 and the first-stage filter 5. The soundproof cover 2 is conducive to weakening the airflow noise layer by layer, and cooperates with the sound-absorbing box 6 to absorb noise, thereby reducing the noise volume, providing a quieter environment, reducing the interference of noise to users, and improving the comfort of use.

[0023] like Figure 4 As shown, sound-absorbing cotton 7 is arranged on the outside of the filter barrel 1, a sound insulation layer 8 is arranged on the outside of the sound-absorbing cotton 7, and a sound insulation sleeve 9 is arranged on the outside of the sound insulation layer 8. The sound-absorbing cotton 7 is arranged on the outside of the filter barrel 1, which is beneficial to absorbing noise. The sound insulation layer 8 and the sound insulation sleeve 9 are used to isolate noise, further reduce the noise generated when the oxygen concentrator is working, reduce the impact of noise on people, and provide a good use environment.

[0024] like Figure 1-Figure 4 As shown, mounting rings 10 are provided at both ends of the filter barrel 1 , and a fixing member 14 is provided on the outer side of a single mounting ring 10 . The mounting ring 10 is sleeved on both ends of the filter barrel 1 , which facilitates the installation of the fixing member 14 .

[0025] like Figure 2 and Figure 3 As shown, an oxygen inlet terminal 12 is arranged at one end of the filter barrel 1, and a plurality of snap fasteners 13 are distributed around the outer side of the oxygen inlet terminal 12. By pulling the oxygen inlet terminal 12 outward, the snap fasteners 13 can be separated from the fixing member 14. The operation is convenient and fast, which is conducive to the installation and disassembly of the oxygen inlet terminal 12 and the comprehensive cleaning of the interior of the filter barrel 1. The oxygen inlet terminal 12 is conducive to the entry of air.

[0026] like Figure 1 As shown, an oxygen exhaust terminal 11 is disposed at the other end of the filter barrel 1 , and the inner side of the oxygen exhaust terminal 11 is connected to the interior of the filter barrel 1 , so that the oxygen exhaust terminal 11 facilitates the exhaust of purified air.

[0027] like Figure 2 and Figure 3As shown, one end of the snap member 13 is snapped with the fixing member 14, and a fixing seat is arranged between the other end of the snap member 13 and the outer side of the oxygen inlet terminal 12. The snap member 13 and the fixing member 14 are snapped together, which facilitates the stably installation of the oxygen inlet terminal 12 at one end of the filter barrel 1, thereby improving the stability and reliability of the oxygen inlet terminal 12.

[0028] The use method and working principle of the device are as follows: first, air enters through the oxygen inlet terminal 12, passes through the third-stage filter 3, the second-stage filter 4 and the first-stage filter 5, which is conducive to filtering the air layer by layer and effectively removing particulate matter and pollutants in the air; the soundproof cover 2 is conducive to weakening the airflow noise layer by layer, and cooperates with the sound-absorbing box 6 to absorb noise, thereby reducing the noise volume; the sound-absorbing cotton 7 is set on the outside of the filter barrel 1, and cooperates with the sound insulation layer 8 and the sound insulation sleeve 9 to isolate the noise, further reduce the noise generated when the oxygen concentrator is working, and reduce the impact of noise on people; finally, the purified air is discharged through the oxygen exhaust terminal 11.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A filter silencer for an oxygen concentrator, comprising a filter barrel (1), characterized in that: A first-stage filter screen (5) is arranged inside the filter barrel (1), a second-stage filter screen (4) is arranged inside the filter barrel (1), the second-stage filter screen (4) is arranged on the side of the first-stage filter screen (5), a third-stage filter screen (3) is arranged inside the filter barrel (1), the third-stage filter screen (3) is arranged on the side of the second-stage filter screen (4), and soundproof covers (2) are arranged on the outside of the third-stage filter screen (3), the second-stage filter screen (4) and the first-stage filter screen (5), and a plurality of sound-absorbing boxes (6) are distributed on the outside of the soundproof cover (2).

2. The filter silencer for oxygen concentrator according to claim 1, characterized in that: A sound-absorbing cotton (7) is arranged on the outside of the filter barrel (1), a sound-insulating layer (8) is arranged on the outside of the sound-absorbing cotton (7), and a sound-insulating sleeve (9) is arranged on the outside of the sound-insulating layer (8).

3. The filter silencer for oxygen concentrator according to claim 2, characterized in that: Mounting rings (10) are arranged at both ends of the filter barrel (1), and a fixing piece (14) is arranged on the outer side of a single mounting ring (10).

4. The filter silencer for an oxygen concentrator according to claim 1, characterized in that: An oxygen inlet terminal (12) is arranged at one end of the filter barrel (1), and a plurality of snap fasteners (13) are distributed around the outer side of the oxygen inlet terminal (12).

5. The filter silencer for oxygen concentrator according to claim 1, characterized in that: An oxygen exhaust terminal (11) is provided at the other end of the filter barrel (1), and the inner side of the oxygen exhaust terminal (11) is connected to the interior of the filter barrel (1).

6. The filter silencer for an oxygen concentrator according to claim 4, characterized in that: One end of the snap-fit ​​piece (13) is snap-fitted to the fixing piece (14), and a fixing seat is arranged between the other end of the snap-fit ​​piece (13) and the outer side of the oxygen inlet end (12).

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