Air inlet sieve plate of oxygen generator

Abstract

The utility model discloses an air inlet sieve plate of an oxygen generator, which belongs to the technical field of oxygen generators, and comprises a filter sieve plate arranged on an oxygen generator main body, an air inlet is arranged on one side of the oxygen generator main body, and an air outlet is arranged on the other side of the oxygen generator main body, and the air inlet sieve plate is characterized in that the outer wall of the air inlet is detachably connected with a first mounting block; the outer wall of the first mounting block is concave inwards, a first through hole sleeving the outer wall of the air inlet is formed in the bottom of the inner side of the first mounting block, the filtering sieve plate is mounted in the first mounting block, a driving assembly is mounted in the first mounting block, and the filtering sieve plate can be driven to rotate through rotation of a first driving motor in the arranged driving assembly; according to the household air purifier, the air inlet is arranged, so that the part with residual impurities on the surface can leave the air inlet, the cleaning and replacing time can be prolonged, household use is more convenient, suction force is generated through an air suction pump, the impurities brushed down by holes in a brush disc are sucked into a filter pipe to be filtered, a filter sieve plate is cleaned, and the practicability is high. And the disassembly, cleaning and replacement time is further prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of oxygen concentrators, and in particular relates to an air intake screen plate 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 and other industries.

[0003] At present, the prior art, Chinese utility model patent CN220990120U discloses an oxygen concentrator with an air intake filtering function, wherein a filter screen plate is detachably connected to the step groove position of the assembly hole of the air inlet of the chassis, a filter element is installed at the flow channel position of the filter screen plate and the air inlet, and the filter screen plate cooperates with the filter element to have a filtering and purification effect at the air inlet position; when the oxygen concentrator is in an idle state, the cover plate is closed at the outer position of the filter screen plate to shield it from dust, and when the oxygen concentrator is started, the foreign single-chip microcomputer inside the oxygen concentrator sends a specified signal to the forward and reverse motors, and then after the forward and reverse motors are powered on, the cover plate is pulled to slide along the chassis in a directional manner through the transmission of the gear plate and the toothed bar until the cover is closed. The plate is separated from the cover of the filter screen plate, and the filter screen plate of the oxygen generator can inhale and filter gas normally at this time; during the movement of the cover plate, the slider of the cover plate slides directionally along the slide groove on the surface of the chassis, so as to improve the smoothness of the cover plate during movement; a guide hole is provided at the free end of the gear bar, and a guide rod is fixedly connected to the surface of the chassis through a mounting seat, and the end face of the guide rod is inserted into the guide hole of the gear bar, and during the movement of the gear bar, the guide rod guides and limits the gear bar, so as to improve the smoothness during movement; a protective cover is detachably connected to the outer wall of the chassis by bolts, and the protective cover shields and protects the movement area of ​​the gear plate and the gear bar, so as to keep the gear plate and the gear bar working normally and improve the safety of work.

[0004] Although the above-mentioned prior art can cover the filter screen when the oxygen concentrator is not in use, it still needs to be periodically disassembled, cleaned or replaced for a long time, which is extremely cumbersome for users. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In order to solve the problem in the above background technology that long-term use still requires periodic disassembly, cleaning or replacement, which is extremely cumbersome for users, the utility model adopts the following technical solution.

[0007] An oxygen concentrator air inlet screen plate comprises a filter screen plate installed on an oxygen concentrator body, an air inlet is provided on one side of the oxygen concentrator body and an air outlet is provided on the other side, and the character is that an outer wall of the air inlet is detachably connected to a first mounting block, the outer wall of the first mounting block is concave and a first through hole is provided on the inner bottom which is sleeved on the outer wall of the air inlet, the filter screen plate is installed inside the first mounting block, a drive assembly is installed inside the first mounting block, and the drive assembly drives the filter screen plate to rotate to remove part of the impurities remaining on the surface from the air inlet.

[0008] Preferably, the outer wall of the first mounting block is detachably connected to the second mounting block, and the outer wall of the second mounting block is provided with a second through hole of the same size and the same position as the air inlet, and the second mounting block is located on one side of the second through hole and is fixedly connected to a mounting bracket, and the interior of the mounting bracket is rotatably connected to a covering plate, and the covering plate rotates to block the second through hole.

[0009] Preferably, a third through hole of the same size as the second through hole is provided on the other side of the outer wall of the second mounting block, the second mounting block is located outside the third through hole and is detachably connected to the third mounting block, the outer wall of the third mounting block is fixedly connected to the first mounting plate, the first mounting plate is detachably connected to an air pump, the air outlet end of the air pump is detachably connected to a filter tube, the filter tube has a built-in filter net, the end of the filter tube is rotatably connected to a connecting air pipe, the end of the connecting air pipe is fixedly connected to a brush plate, the brush plate is inserted into the interior of the third through hole to contact the outer wall of the filter screen plate, the air pump generates suction so that the holes on the brush plate suck the impurities brushed off into the interior of the filter tube for filtration.

[0010] Preferably, a cleaning assembly is installed on the outer wall of the second mounting block, and the cleaning assembly drives the brush plate to rotate to brush off impurities on the surface of the filter screen plate.

[0011] Preferably, the driving assembly includes a first driving motor, a hollow tube is fixedly connected to the center of the inner bottom of the first mounting block, the first driving motor is detachably connected to the inside of the hollow tube, the rotating end of the first driving motor is detachably connected to the filter screen plate, and the rotation of the first driving motor drives the filter screen plate to rotate.

[0012] Preferably, the cleaning component includes a vacuum pump and a filter tube, the outer wall of the third mounting block is fixedly connected to the second mounting plate, the second mounting plate is detachably connected to the second drive motor, the outer wall of the connecting air pipe is fixedly connected to the second bevel gear, the outer wall of the second bevel gear is meshed with the first bevel gear, the outer wall of the first bevel gear is detachably connected to the transmission end of the second drive motor, the rotation of the second drive motor drives the first bevel gear to rotate, the meshing causes the second bevel gear to rotate and then the connecting air pipe drives the brush plate to rotate.

[0013] Preferably, the filter screen plate is adapted to the inner diameter of the first mounting block.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The rotation of the first driving motor in the driving assembly can drive the filter screen plate to rotate, so that the residual impurities on the surface can be removed from the air inlet, thereby delaying the cleaning and replacement time, making it more convenient for family use.

[0016] 2. The vacuum pump is set to generate suction so that the holes on the brush plate can suck the impurities brushed off into the interior of the filter tube for filtration, thereby cleaning the filter screen plate, further extending the time for disassembly, cleaning and replacement.

[0017] 3. The second driving motor in the cleaning assembly is rotated to drive the first bevel gear to rotate, and the second bevel gear is rotated through meshing, so that the connecting air pipe drives the brush plate to rotate to brush the dirty filter screen plate, so that impurities fall from the filter screen plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of an oxygen concentrator air intake screen plate in the utility model;

[0019] Figure 2 This is a schematic diagram of the connection structure between the air inlet and the first mounting block in the utility model;

[0020] Figure 3 This is a schematic diagram of the connection structure between the filter screen plate and the first drive motor in the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the second mounting block in the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the third mounting block in the utility model;

[0023] Figure 6 This is a schematic diagram of the brush disc structure of the utility model.

[0024] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0025] 100. oxygen concentrator body; 101. air inlet;

[0026] 200, first mounting block; 201, first through hole; 202, hollow tube; 203, first drive motor; 204, filter screen plate;

[0027] 300, second mounting block; 301, second through hole; 302, third through hole; 303, mounting bracket; 304, second mounting plate; 305, third mounting block; 306, first mounting plate; 307, vacuum pump; 308, second drive motor; 309, first bevel gear; 310, second bevel gear; 311, brush plate; 312, connecting air pipe; 313, cover plate; 314, filter tube. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0029] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0030] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0031] like Figure 1-3As shown, it is a schematic diagram of the structure of an oxygen concentrator air inlet sieve plate in a preferred embodiment of the utility model. The oxygen concentrator air inlet sieve plate of this embodiment includes an oxygen concentrator body 100, an air inlet 101 is provided on one side of the oxygen concentrator body 100, and an air outlet is provided on the other side. The outer wall of the air inlet 101 is detachably connected to a first mounting block 200, the outer wall of the first mounting block 200 is concave, and the inner bottom is provided with a first through hole 201 sleeved on the outer wall of the air inlet 101, and a hollow tube 202 is fixedly connected to the center of the inner bottom of the first mounting block 200, and the hollow The interior of the tube 202 is detachably connected to a first drive motor 203, and the rotating end of the first drive motor 203 is detachably connected to a filter screen plate 204, which is adapted to the inner diameter of the first mounting block 200. In this embodiment, external air is filtered through the filter screen plate 204 and then enters the interior of the oxygen generator body 100. The rotation of the first drive motor 203 can drive the filter screen plate 204 to rotate, so that part of the impurities remaining on the surface can be removed from the air inlet 101, thereby delaying the cleaning and replacement time, making it more convenient for home use.

[0032] It is worth noting that the driving component of the first driving motor 203 in this embodiment includes but is not limited to the first driving motor 203. Any component that can rotate the filter screen plate 204 can be applied to this embodiment.

[0033] like Figure 4 As shown, it is a schematic diagram of the second mounting block structure in this embodiment, the outer wall of the first mounting block 200 is detachably connected to the second mounting block 300, the outer wall of the second mounting block 300 is provided with a second through hole 301 of the same size and position as the air inlet 101, the second mounting block 300 is located on one side of the second through hole 301 and is fixedly connected with a mounting bracket 303, and the interior of the mounting bracket 303 is rotatably connected with a covering plate 313. In this embodiment, when the oxygen concentrator body 100 is in use, the covering plate 313 is rotated to cover the second through hole 301, so that external dust is prevented from contacting the filter screen plate 204 when not in use, and the filter screen plate 204 can be kept clean.

[0034] like Figure 4 , Figure 5 as well as Figure 6As shown, it is a schematic diagram of the second mounting block structure, a schematic diagram of the third mounting block structure and a schematic diagram of the brush disk structure in this embodiment, a third through hole 302 of the same size as the second through hole 301 is provided on the other side of the outer wall of the second mounting block 300, the second mounting block 300 is located outside the third through hole 302 and is detachably connected to the third mounting block 305, the outer wall of the third mounting block 305 is fixedly connected to the second mounting plate 304 and the first mounting plate 306, the first mounting plate 306 is detachably connected to the air pump 307, the third mounting block 305 is detachably connected to the second driving motor 308, the air outlet end of the air pump 307 is detachably connected to the filter tube 314, the filter tube 314 has a built-in filter screen, the end of the filter tube 314 is rotatably connected to the connecting air pipe 312, the end of the connecting air pipe 312 is fixedly connected to the brush disk 311, the brush disk 311 is inserted into the third through hole 302, and the third through hole 302 is fixedly connected to the third mounting block 305. The interior of the hole 302 contacts the outer wall of the filter screen plate 204, and the brush plate 311 is provided with a plurality of holes connected to the connecting air pipe 312. The outer wall of the connecting air pipe 312 is fixedly connected to the second bevel gear 310, and the outer wall of the second bevel gear 310 is meshed with the first bevel gear 309. The outer wall of the first bevel gear 309 is detachably connected to the transmission end of the second drive motor 308. In this embodiment, the first bevel gear 309 is driven to rotate by the rotation of the second drive motor 308, and the second bevel gear 310 is rotated through meshing, and the connecting air pipe 312 drives the brush plate 311 to rotate to brush the dirty filter screen plate 204, and the suction force is generated by the vacuum pump 307 so that the holes on the brush plate 311 suck the brushed impurities into the interior of the filter tube 314 for filtration, thereby cleaning the filter screen plate 204, further extending the time for disassembly, cleaning and replacement.

[0035] It is worth noting that the above-mentioned vacuum pump 307 and filter tube 314 are cleaning components in this embodiment. The cleaning components include but are not limited to the vacuum pump 307 and filter tube 314. As long as the components can suck out impurities on the surface of the filter screen plate 204, they can be applied to this embodiment.

[0036] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. An oxygen concentrator air intake sieve plate, comprising a filter sieve plate (204) mounted on an oxygen concentrator body (100), wherein an air inlet (101) is provided on one side of the oxygen concentrator body (100) and an air outlet is provided on the other side, wherein: The outer wall of the air inlet (101) is detachably connected to a first mounting block (200); the outer wall of the first mounting block (200) is concave and the inner bottom is provided with a first through hole (201) which is sleeved on the outer wall of the air inlet (101); the filter screen plate (204) is installed inside the first mounting block (200); a driving component is installed inside the first mounting block (200); the driving component drives the filter screen plate (204) to rotate so that the impurities remaining on the surface are removed from the air inlet (101).

2. The oxygen concentrator air intake sieve plate according to claim 1, characterized in that: The outer wall of the first mounting block (200) is detachably connected to the second mounting block (300); the outer wall of the second mounting block (300) is provided with a second through hole (301) of the same position and size as the air inlet (101); the second mounting block (300) is fixedly connected to a mounting bracket (303) on one side of the second through hole (301); the interior of the mounting bracket (303) is rotatably connected to a covering plate (313); the covering plate (313) rotates to cover the second through hole (301).

3. The oxygen concentrator air intake sieve plate according to claim 2, characterized in that: A third through hole (302) having the same size as the second through hole (301) is provided on the other side of the outer wall of the second mounting block (300); the second mounting block (300) is located outside the third through hole (302) and is detachably connected to a third mounting block (305); the outer wall of the third mounting block (305) is fixedly connected to a first mounting plate (306); an air pump (307) is detachably connected to the first mounting plate (306); and a filter is detachably connected to the air outlet end of the air pump (307). The filter tube (314) has a built-in filter screen, the end of the filter tube (314) is rotatably connected to a connecting air tube (312), the end of the connecting air tube (312) is fixedly connected to a brush plate (311), the brush plate (311) is inserted into the interior of the third through hole (302) to contact the outer wall of the filter screen plate (204), and the vacuum pump (307) generates suction so that the holes on the brush plate (311) suck the impurities brushed off into the interior of the filter tube (314) for filtration.

4. The oxygen concentrator air intake sieve plate according to claim 3, characterized in that: A cleaning component is installed on the outer wall of the second mounting block (300), and the cleaning component drives the brush plate (311) to rotate to brush off impurities on the surface of the filter screen plate (204).

5. The oxygen concentrator air intake sieve plate according to claim 4, characterized in that: The driving assembly comprises a first driving motor (203); a hollow tube (202) is fixedly connected to the center of the inner bottom of the first mounting block (200); the first driving motor (203) is detachably connected to the inside of the hollow tube (202); a rotating end of the first driving motor (203) is detachably connected to the filter screen plate (204); the first driving motor (203) rotates to drive the filter screen plate (204) to rotate.

6. The oxygen concentrator air intake sieve plate according to claim 5, characterized in that: The cleaning component comprises an air pump (307) and a filter tube (314); the outer wall of the third mounting block (305) is fixedly connected to the second mounting plate (304); the second mounting plate (304) is detachably connected to the second drive motor (308); the outer wall of the connecting air pipe (312) is fixedly connected to the second bevel gear (310); the outer wall of the second bevel gear (310) is meshed with the first bevel gear (309); the outer wall of the first bevel gear (309) is detachably connected to the transmission end of the second drive motor (308); the second drive motor (308) rotates to drive the first bevel gear (309) to rotate; the meshing causes the second bevel gear (310) to rotate, thereby causing the connecting air pipe (312) to drive the brush plate (311) to rotate.

7. The oxygen concentrator air intake sieve plate according to claim 6, characterized in that: The filter screen plate (204) is adapted to the inner diameter of the first mounting block (200).

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