Air filter of oxygen generator

Abstract

The utility model discloses an air filter of an oxygen generator, which belongs to the technical field of filter equipment of the oxygen generator and comprises an oxygen box and a connecting component, the connecting component is mounted in an inner cavity of the oxygen box, a filter layer is arranged in the inner cavity of the connecting component, a box cover is mounted at the top of the oxygen box, and air holes are formed in the surface of the box cover. Positioning blocks are fixedly connected to the two sides of the box cover, the box cover and the oxygen box can be positioned by arranging the fixing mechanism, meanwhile, a worker can conveniently remove positioning connection between the box cover and the oxygen box, and then filtering layers placed in the oxygen box can be rapidly taken out at the same time through an arranged connecting assembly; and the tedious step that a worker cleans and takes out the filtering layers layer by layer is replaced, so that the worker can conveniently and rapidly replace the filtering layers and clean the oxygen box, and the air filter can be conveniently and rapidly assembled and cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering equipment of an oxygen concentrator, in particular to an air filter of an oxygen concentrator. Background Art

[0002] An air filter is a device that captures dust from gas-solid two-phase flow and purifies the gas through the action of porous filter materials. An oxygen generator is a type of machine that produces oxygen. Its principle is to use air separation technology. In the process of producing oxygen, an oxygen generator uses an air filter to purify the air.

[0003] According to the publication number: CN215276296U, an oxygen concentrator air filter is proposed, including an oxygen concentrator air filter body and an air guide mechanism, an air purification filter mechanism is provided in the inner cavity of the air filter body, the air purification filter mechanism is arranged in the middle of the inner cavity of the air filter body along the vertical direction to divide the inner cavity of the air filter body into an air inlet cavity and an air outlet cavity, the air inlet of the air filter body is connected with an air inlet duct, the air guide device includes an air guide plate and an air disturbance branch pipe, the air guide plate is arranged in the middle of the air inlet cavity of the air filter body parallel to the air purification filter mechanism, the middle of the air guide plate is evenly provided with air holes, the air disturbance branch pipe is evenly arranged on both sides of the air filter body, and the air outlet of the air disturbance branch pipe is located between the air guide plate and the air purification filter mechanism. The problem of fast filter replacement speed in the air filter is solved when the air is introduced into the air filter during the existing gas processing because this part of the air is not guided.

[0004] According to the above introduction, the air filter used in the oxygen concentrator is well treated in the air purification, but the oxygen box and the filter layer used inside the air filter are not easy to separate, which makes it inconvenient to take the filter layer out of the oxygen box. Therefore, it is inconvenient for the staff to replace the filter layer and clean the oxygen box, which causes trouble for the staff to disassemble and assemble. In order to solve the above problems, we propose an improved air filter for oxygen concentrator. Utility Model Content

[0005] The utility model aims to provide an air filter for an oxygen concentrator, which can position the box cover and the oxygen box by setting a fixing mechanism, and also facilitates the staff to release the positioning connection between the box cover and the oxygen box. Subsequently, the filter layers placed in the oxygen box can be taken out simultaneously and quickly through the provided connecting assembly, replacing the tedious steps of the staff to clean and take out the filter layers layer by layer, thereby facilitating the staff to quickly replace the filter layers and clean the oxygen box, and conveniently and quickly assemble and clean the air filter, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air filter for an oxygen concentrator, comprising an oxygen box and a connecting assembly, wherein the connecting assembly is installed in the inner cavity of the oxygen box, the inner cavity of the connecting assembly is provided with a filter layer, a box cover is installed on the top of the oxygen box, air holes are provided on the surface of the box cover, positioning blocks are fixedly connected to both sides of the box cover, fixing mechanisms used in conjunction with the positioning blocks on the box cover are provided on both sides of the outer wall of the oxygen box, one end of the oxygen box is connected to a ventilation pipe, and an air inlet hole is provided at a position corresponding to the ventilation pipe on the connecting assembly.

[0007] Preferably, the connecting component includes a first fixed cover and a second fixed cover, support bars are provided at symmetrical positions on the inner walls of the first fixed cover and the second fixed cover, the filter layer is provided on the support bars, positioning holes are sequentially opened on one side of the first fixed cover from top to bottom, and a positioning rod is fixedly connected to the side of the second fixed cover corresponding to the first fixed cover from top to bottom, one end of the positioning rod is inserted into the inner cavity of the positioning hole, a pull rod is fixedly connected to the top of the first fixed cover and the second fixed cover, and the air inlet is opened on the second fixed cover.

[0008] Preferably, the fixing mechanism includes a card slot, which is provided on the oxygen box and corresponds to the position of the positioning block on the box cover, a support block is fixedly connected to the oxygen box below the card slot, a positioning pin is slidably connected to the surface of the support block, one end of the positioning pin is inserted into the positioning block, a spring is sleeved on the surface of the positioning pin, and one end of the spring is fixed to the surface of the support block.

[0009] Preferably, a slider is fixedly connected to the surface of the positioning pin near one end of the positioning block, a slide groove is provided below the edge of the oxygen box, the top of the slider is slidably connected in the slide groove, and one side of the slider is fixedly connected to the other end of the spring.

[0010] Preferably, the filter layer includes filter cotton, which is placed at the bottom of the connecting component, and activated carbon filter cotton is arranged above the filter cotton, and an antibacterial filter net is arranged above the activated carbon filter cotton, and the activated carbon filter cotton and the antibacterial filter net are both located inside the connecting component.

[0011] Preferably, the lower edge of the box cover is inserted into the inner wall of the oxygen box and fits with the surface of the connecting component.

[0012] Preferably, the corners around the box cover and the oxygen box are arranged in the form of beveled surfaces, and the oxygen box and the connecting component are arranged in a transparent state.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model provides an air filter for an oxygen concentrator. By setting a fixing mechanism, the box cover and the oxygen box can be positioned, and it is also convenient for the staff to release the positioning connection between the box cover and the oxygen box. Then, the filter layer placed in the oxygen box can be taken out simultaneously and quickly through the provided connecting assembly, replacing the tedious steps of the staff to clean and take out the filter layer layer by layer, so that it is convenient for the staff to quickly replace the filter layer and clean the oxygen box, and to quickly and conveniently assemble and clean the air filter.

[0015] 2. The utility model provides an air filter for an oxygen concentrator, which can provide a limiting effect for the positioning pin through the cooperation of the slide groove and the slider, thereby ensuring the stability of the insertion between the positioning pin and the positioning block. The filter cotton in the filter layer can filter the particles in the air, and then the activated carbon filter cotton can adsorb smaller dust particles. Finally, the antibacterial filter net can filter the tiny particles and perform antibacterial disinfection, thereby meeting the air purification standard and enhancing the oxygen production quality of the oxygen concentrator. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the oxygen box, connecting components and box cover structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the oxygen box structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the filter layer and connection assembly structure of the utility model;

[0020] Figure 5 For this utility model Figure 3 Enlarged schematic diagram at point A in the middle.

[0021] Numbers in the figure: 1. Oxygen box; 2. Connecting assembly; 21. First fixed cover; 22. Second fixed cover; 23. Support bar; 24. Positioning hole; 25. Positioning rod; 26. Pull rod; 3. Filter layer; 31. Filter cotton; 32. Activated carbon filter cotton; 33. Antibacterial filter net; 4. Box cover; 5. Air vent; 6. Positioning block; 7. Fixing mechanism; 71. Slot; 72. Support block; 73. Positioning pin; 74. Spring; 8. Ventilation pipe; 9. Air inlet; 10. Slider; 11. Slide groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides Figures 1 to 5 The air filter of an oxygen concentrator shown in the figure comprises an oxygen box 1 and a connecting component 2, the connecting component 2 is installed in the inner cavity of the oxygen box 1, the inner cavity of the connecting component 2 is provided with a filter layer 3, a box cover 4 is installed on the top of the oxygen box 1, and a vent hole 5 is provided on the surface of the box cover 4, positioning blocks 6 are fixedly connected on both sides of the box cover 4, and fixing mechanisms 7 used in conjunction with the positioning blocks 6 on the box cover 4 are provided on both sides of the outer wall of the oxygen box 1, one end of the oxygen box 1 is connected with a ventilation pipe 8, and an air inlet hole 9 is provided at a position corresponding to the ventilation pipe 8 on the connecting component 2. By setting the fixing mechanism 7, the box cover 4 and the oxygen box 1 can be positioned, and it is also convenient for the staff to release the positioning connection between the box cover 4 and the oxygen box 1, and then the filter layer 3 placed in the oxygen box 1 can be taken out simultaneously and quickly through the provided connecting component 2, replacing the cumbersome steps of the staff to clean and take out the filter layer 3 layer by layer, so as to facilitate the staff to quickly replace the filter layer 3 and clean the oxygen box 1, and to assemble and clean the air filter conveniently and quickly.

[0024] The connecting component 2 includes a first fixed cover 21 and a second fixed cover 22. Support bars 23 are provided at symmetrical positions on the inner walls of the first fixed cover 21 and the second fixed cover 22. The filter layer 3 is arranged on the support bar 23. Positioning holes 24 are sequentially opened on one side of the first fixed cover 21 from top to bottom. A positioning rod 25 is fixedly connected to the side of the second fixed cover 22 corresponding to the first fixed cover 21 from top to bottom. One end of the positioning rod 25 is inserted into the inner cavity of the positioning hole 24. A pull rod 26 is fixedly connected to the top of the first fixed cover 21 and the second fixed cover 22. The air inlet 9 is provided on the second fixed cover 22. By providing the first fixed cover 21 and the second fixed cover 22, the filter layer 3 can be wrapped and then placed in the oxygen box 1, which can facilitate the staff to quickly and simultaneously take and place the filter layer 3, thereby improving the work efficiency and facilitating the operation of the staff.

[0025] The fixing mechanism 7 includes a slot 71, which is provided on the oxygen box 1 and corresponds to the position of the positioning block 6 on the box cover 4. A support block 72 is fixedly connected to the oxygen box 1 below the slot 71. A positioning pin 73 is slidably connected to the surface of the support block 72. One end of the positioning pin 73 is inserted into the positioning block 6. A spring 74 is sleeved on the surface of the positioning pin 73. One end of the spring 74 is fixed to the surface of the support block 72. The support block 72 provides a supporting effect for the positioning pin 73, and the spring 74 provides an elastic effect, so that the positioning pin 73 can be quickly fixed and disassembled between the positioning block 6 in the slot 71, saving the time of the staff and improving the work efficiency of the staff.

[0026] A slider 10 is fixedly connected to the surface of the locating pin 73 near one end of the locating block 6, a slide groove 11 is provided below the edge of the oxygen box 1, the top of the slider 10 is slidably connected in the slide groove 11, and one side of the slider 10 is fixedly connected to the other end of the spring 74. The cooperation of the slide groove 11 and the slider 10 can provide a limiting effect for the locating pin 73, thereby ensuring the stability of the insertion between the locating pin 73 and the locating block 6.

[0027] The filter layer 3 includes filter cotton 31, which is placed at the bottom of the connecting component 2. Activated carbon filter cotton 32 is arranged above the filter cotton 31, and an antibacterial filter net 33 is arranged above the activated carbon filter cotton 32. The activated carbon filter cotton 32 and the antibacterial filter net 33 are both located inside the connecting component 2. The particles in the air can be filtered by setting the filter cotton 31 in the filter layer 3, and then the smaller dust particles can be adsorbed by the activated carbon filter cotton 32. Finally, the tiny particles can be filtered and disinfected with antibacterial effect by the antibacterial filter net 33, thereby meeting the air purification standards and enhancing the oxygen production quality of the oxygen generator.

[0028] The lower edge of the box cover 4 is inserted into the inner wall of the oxygen box 1 and fits with the surface of the connecting component 2, so that the box cover 4 and the oxygen box 1 are more closely fitted, thereby improving the protection effect of the connecting component 2.

[0029] The corners of the box cover 4 and the oxygen box 1 are all beveled, and the oxygen box 1 and the connecting component 2 are both transparent to prevent the oxygen box 1 from being scratched by the staff. At the same time, the transparent oxygen box 1 and the connecting component 2 can more clearly observe the filtering situation of the internal filter layer 3, so as to judge whether it needs to be replaced.

[0030] During specific use, the filter layer 3 is first wrapped by the first fixed cover 21 and the second fixed cover 22 and then placed in the oxygen box 1, which can facilitate the staff to quickly and simultaneously take and place the filter layer 3, and then the support block 72 provides a supporting effect for the positioning pin 73, and the spring 74 provides an elastic effect, so that the positioning pin 73 can be quickly fixed and disassembled between the positioning block 6 in the slot 71, which is convenient for the staff's operation, saves the staff's time, and improves the staff's work efficiency. In addition, the oxygen box 1 and the connecting component 2 are set to be transparent, so that the filtering condition of the internal filter layer 3 can be more clearly observed, thereby judging whether it needs to be replaced.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air filter for an oxygen concentrator, comprising an oxygen box (1) and a connecting assembly (2), characterized in that: The connecting component (2) is installed in the inner cavity of the oxygen box (1), the inner cavity of the connecting component (2) is provided with a filter layer (3), a box cover (4) is installed on the top of the oxygen box (1), a surface of the box cover (4) is provided with air holes (5), positioning blocks (6) are fixedly connected to both sides of the box cover (4), and fixing mechanisms (7) for use with the positioning blocks (6) on the box cover (4) are provided on both sides of the outer wall of the oxygen box (1), one end of the oxygen box (1) is connected to a ventilation pipe (8), and an air inlet hole (9) is provided on the connecting component (2) at a position corresponding to the ventilation pipe (8).

2. The air filter of an oxygen concentrator according to claim 1, characterized in that: The connecting assembly (2) comprises a first fixed cover (21) and a second fixed cover (22), the inner walls of the first fixed cover (21) and the second fixed cover (22) are both provided with support bars (23) at symmetrical positions, the filter layer (3) is provided on the support bars (23), one side of the first fixed cover (21) is provided with positioning holes (24) in sequence from top to bottom, the side of the second fixed cover (22) corresponding to the first fixed cover (21) is fixedly connected with a positioning rod (25) from top to bottom, one end of the positioning rod (25) is inserted into the inner cavity of the positioning hole (24), the tops of the first fixed cover (21) and the second fixed cover (22) are both fixedly connected with a pull rod (26), and the air inlet (9) is provided on the second fixed cover (22).

3. The air filter of an oxygen concentrator according to claim 2, characterized in that: The fixing mechanism (7) comprises a slot (71), the slot (71) being formed on the oxygen box (1) and corresponding to the position of the positioning block (6) on the box cover (4); a support block (72) being fixedly connected to the oxygen box (1) below the slot (71); a positioning pin (73) being slidably connected to the surface of the support block (72); one end of the positioning pin (73) being inserted into the positioning block (6); a spring (74) being sleeved on the surface of the positioning pin (73); and one end of the spring (74) being fixed to the surface of the support block (72).

4. The air filter of an oxygen concentrator according to claim 3, characterized in that: A sliding block (10) is fixedly connected to the surface of the positioning pin (73) near one end of the positioning block (6), a sliding groove (11) is provided below the edge of the oxygen box (1), the top of the sliding block (10) is slidably connected in the sliding groove (11), and one side of the sliding block (10) is fixedly connected to the other end of the spring (74).

5. The air filter of an oxygen concentrator according to claim 1, characterized in that: The filter layer (3) comprises filter cotton (31), the filter cotton (31) being placed at the bottom of the connection component (2), an activated carbon filter cotton (32) being arranged above the filter cotton (31), an antibacterial filter net (33) being arranged above the activated carbon filter cotton (32), and the activated carbon filter cotton (32) and the antibacterial filter net (33) being both located inside the connection component (2).

6. The air filter of an oxygen concentrator according to claim 5, characterized in that: The lower edge of the box cover (4) is plugged into the inner wall of the oxygen box (1) and fits into the surface of the connecting component (2).

7. The air filter of an oxygen concentrator according to claim 1, characterized in that: The corners of the box cover (4) and the oxygen box (1) are arranged in the form of beveled surfaces, and the oxygen box (1) and the connecting component (2) are arranged in a transparent state.

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