Air filtering device for micro-pressure oxygen bin
By introducing moving parts such as brushes and cleaning cotton into the micro-pressure oxygen chamber air filtration device, combined with gear racks and limiting parts, the problem of difficult cleaning of particulate matter inside the coarse filter layer is solved, achieving efficient cleaning and convenient installation and disassembly.
Patent Information
- Application Number
- CN202520433032.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-13
AI Technical Summary
In existing micro-pressure oxygen chamber air filtration devices, particulate matter attached to the inner side of the coarse filter layer is difficult to clean, resulting in a difficult, time-consuming and labor-intensive cleaning process.
A movable component with a brush and cleaning cotton was designed to automatically clean the front screen through the cooperation of a lifting groove and a gear rack. It is also equipped with a dust collection frame and a limiting component to facilitate the collection of particulate matter and the installation and removal of the front screen.
It improves cleaning efficiency, simplifies the cleaning and replacement process of the front screen, reduces the possibility of dust entering the lifting slot, and ensures the stability and convenience of the front screen.
Smart Images
Figure CN223846504U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of micro pressure oxygen warehouse, concretely to an air filtering device for micro pressure oxygen warehouse. BACKGROUND
[0002] The micro pressure oxygen warehouse is to provide the environment higher than the conventional atmospheric pressure in the sealed cabin, and supply pure oxygen, so that the patient carries out the treatment under the condition of higher oxygen concentration and high pressure.
[0003] The outside air enters the air filtering device through the air inlet. Before entering the oxygen warehouse, the air first passes through the coarse filter layer to remove larger particulate matters such as dust, sand, etc. The air after the coarse filtration then enters the more detailed filter layer to remove fine particles, bacteria, viruses, odors and some harmful gases in the air.
[0004] However, after a long time of use, the surface of the coarse filter layer will be covered with a lot of dust, sand and other particulate matters, which can easily block the outside air from entering the micro pressure oxygen warehouse. It is difficult to clean the inside of the coarse filter layer, and usually requires the use of equipment to disassemble the coarse filter layer, which is time-consuming and labor-intensive. Therefore, optimization and improvement are needed. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide an air filtering device for micro pressure oxygen warehouse to solve the problem of difficult cleaning of the particulate matters attached to the inside of the coarse filter layer.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an air filtering device for micro pressure oxygen warehouse, comprising: an oxygen warehouse body, one side of the oxygen warehouse body is provided with an air inlet part, a front net is installed inside the air inlet part, and further comprising:
[0007] A moving part is located inside the air inlet part, a plurality of brushes are provided inside the moving part, the two ends of the brushes are fixedly connected with connecting rods, the connecting rods are rotatably connected inside the moving part, and a plurality of cleaning cottons are further provided inside the moving part. The brushes and the cleaning cottons are used to clean the particulate matters attached to the surface of the front net.
[0008] A mounting hole is provided inside the front net frame, a mounting part is installed inside the mounting hole, two symmetrically distributed limiting parts are provided inside the mounting part, and the mounting part is used to fix the position of the front net.
[0009] Further, the air inlet part is provided with a lifting groove, the moving part is slidably connected inside the lifting groove, seven groups of brushes are rotatably connected inside the moving part, four groups of cleaning cottons are rotatably connected inside the moving part, and the diameter of the cleaning cottons increases from top to bottom.
[0010] Further, the connecting rod outer side is rotationally connected with one side of the inner part of the moving element, the outer end of the connecting rod is fixedly connected with a gear, the outer side of the gear is meshingly connected with a rack, and the outer side of the rack is fixedly connected in the inner part of the lifting groove.
[0011] Further, the inner part of the moving element is fixedly connected with a plurality of first springs at the lower end, and the other end of the first spring is fixedly connected with one side of the dust collecting frame.
[0012] Further, the two sides of the moving element are slidingly connected with the outer side of the guide rail, the guide rail is fixedly connected in the inner part of the lifting groove, and the two ends of the moving element are fixedly connected with handheld rods.
[0013] Further, the inner part of the lifting groove is rotationally connected with a sealing plate at the upper end, and the sealing plate is located at the lower end of the front net.
[0014] Further, the outer side of the mounting element penetrates through one side of the air inlet part and is inserted into the mounting hole in the inner part, and the inner part of the mounting element is provided with two inner grooves.
[0015] Further, the one side of the limiting element is fixedly connected with two second springs, the other end of the second spring is fixedly connected in the inner groove, and the sharp end of the limiting element is clamped on one side of the front net.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] The utility model discloses a lifting groove with guide rail is set up in the inner part of air inlet part, is used for limiting the movement of moving element, brush and cleaning cotton are set up in the inner part of moving element, after the brush is cleaned to the front net, then the residual particulate matter is cleaned with cleaning cotton, thereby improves the cleaning efficiency, gear is set up on the outer side of connecting rod, in the movement of moving element, the meshing connection of gear and rack is used to drive the rotation of brush and cleaning cotton, thereby improves the cleaning efficiency, handheld rod is set up on the two sides of moving element, and the movement of moving element is controlled conveniently for staff, the sealing plate is set up in the middle of lifting groove, when not using, can block the inner part of lifting groove, reduces the dust and enters the inner part of lifting groove and adheres to the inner part of moving element, and the dust collecting frame is set up at the lower end of moving element, after moving element removes from the inner part of lifting groove, first spring pushes out dust collecting frame, and the particulate matter after cleaning on the front net is collected conveniently.
[0018] A plurality of mounting elements are arranged to fix the position of the front net, so that the stability of the front net during use can be ensured, and the limiting element connected by the second spring is arranged in the mounting element, so that the front net can be conveniently fixed in the air inlet part, and the mounting and dismounting are convenient. ACCURACY OF DRAWINGS
[0019] The utility model will be further explained in connection with the drawings as follows:
[0020] The utility model will be further explained in connection with the drawings as follows:Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0021] Figure 2 It is a schematic view of internal section structure of the air inlet part of the utility model;
[0022] Figure 3 It is a schematic view of partial structure of the moving part of the utility model;
[0023] Figure 4 It is a schematic view of partial structure of the front net of the utility model;
[0024] Figure 5 It is a schematic view of internal partial separation structure of the mounting part of the utility model.
[0025] In the drawing,
[0026] 1, oxygen warehouse body;2, air inlet part;3, front net;4, lifting groove;5, moving part;6, brush;7, connecting rod;8, gear;9, cleaning cotton;10, dust collecting frame;11, first spring;12, guide rail;13, hand rod;14, rack;15, sealing plate;16, mounting hole;17, mounting part;18, inner groove;19, limiting part;20, second spring. DETAILED DESCRIPTION
[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The technical solutions in the embodiments of the present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0028] In order to enable the persons skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the persons skilled in the art without creative labor should belong to the protection scope of the present application.
[0029] Please refer to Figures 1 to 5 The utility model provides a kind of technical scheme for the air filtration device of micro-pressure oxygen warehouse, it include: oxygen warehouse body 1, oxygen warehouse body 1 side is equipped with air inlet part 2, air inlet part 2 inside is equipped with front net 3, air inlet part 2 inside is equipped with moving part 5, moving part 5 inside is equipped with several brushes 6, the both ends of brush 6 are fixedly connected with connecting rod 7, connecting rod 7 is rotatably connected in moving part 5 inside, moving part 5 inside is also equipped with several cleaning cotton 9, brush 6 and cleaning cotton 9 are used to clean the particulate matter adhered on the surface of front net 3;
[0030] Specifically, the air inlet part 2 is internally provided with a lifting groove 4, the moving part 5 is slidably connected to the inside of the lifting groove 4, seven groups of brushes 6 are rotatably connected to the inside of the moving part 5, four groups of cleaning cottons 9 are rotatably connected to the inside of the moving part 5, the diameters of the cleaning cottons 9 increase from top to bottom, the moving part 5 is slidably connected to the outside of the guide rail 12 on both sides, the guide rail 12 is fixedly connected to the inside of the lifting groove 4, and handheld rods 13 are fixedly connected to both ends of the moving part 5.
[0031] In the embodiment, when the worker holds the handheld rod 13 to control the moving part 5 to move upwards, the front net 3 is first cleaned by the brushes 6, and then the residual particles are cleaned by the cleaning cottons 9, the residual sundries after the cleaning by the brushes 6 can be effectively removed, and thus the cleaning efficiency is improved.
[0032] As shown in Figures 2-3 , the connecting rod 7 is rotatably connected to one side of the inside of the moving part 5 on the outside, the gear 8 is fixedly connected to the outer end of the connecting rod 7, the rack 14 is meshingly connected to the outside of the gear 8, and the rack 14 is fixedly connected to the inside of the lifting groove 4 on the outside.
[0033] In the embodiment, the gears 8 on both sides of the moving part 5 rotate on the rack 14 in the moving process, so as to drive the brushes 6 and the cleaning cottons 9 in the inside of the moving part 5 to rotate, the cleaning frequency per unit area on the front net 3 can be increased in the moving process, and thus the cleaning efficiency is improved.
[0034] As shown in Figure 5 , a plurality of first springs 11 are fixedly connected to the inside of the moving part 5 at the lower end, and the other ends of the first springs 11 are fixedly connected to one side of the dust collecting frame 10.
[0035] In the embodiment, after the moving part 5 moves out of the inside of the lifting groove 4, the first springs 11 push the dust collecting frame 10 to move outward, and when the cleaning work is performed, the dust and particles cleaned fall into the inside of the dust collecting frame 10 for collection, so that the particles after the cleaning are prevented from accumulating in the air inlet part 2.
[0036] As shown in Figures 2-3 , the sealing plate 15 is rotatably connected to the inside of the lifting groove 4 at the upper end, and the sealing plate 15 is located below the front net 3.
[0037] In the embodiment, when not in use, the sealing plate 15 can reduce the dust and particles from entering the inside of the lifting groove 4, so that the sundries are prevented from adhering to the surfaces of the brushes 6 and the cleaning cottons 9, when the moving part 5 moves upwards, the sealing plate 15 is pushed to unfold, so that the subsequent cleaning work is facilitated, and after the cleaning is completed, the sealing plate 15 is closed again.
[0038] As shown in Figures 4-5As shown, eight mounting holes 16 are arranged inside the frame of the front screen 3, mounting members 17 are arranged inside the mounting holes 16, two symmetrical limiting members 19 are arranged inside the mounting members 17, the mounting members 17 are used for fixing the position of the front screen 3, the mounting members 17 are inserted into the mounting holes 16 from the side of the air inlet part 2, and two inner grooves 18 are arranged inside the mounting members 17.
[0039] In the embodiment, the mounting members 17 are arranged inside the mounting holes 16 from the side of the air inlet part 2 to fix the front screen 3, so that the stability of the front screen 3 is ensured during use.
[0040] As shown, Figures 4-5 two second springs 20 are fixedly connected to one side of the limiting members 19, the other ends of the second springs 20 are fixedly connected to the inner grooves 18, and the sharp ends of the limiting members 19 are clamped to one side of the front screen 3.
[0041] In the embodiment, the sharp ends of the limiting members 19 are clamped to one side of the front screen 3 to fix the front screen 3, when disassembling, two fingers are used to press the limiting members 19 inward, the second springs 20 are pushed to shrink, the connection between the sharp ends of the limiting members 19 and the front screen 3 is disconnected, the mounting members 17 can be removed from the mounting holes 16, and the front screen 3 is convenient to assemble and disassemble.
[0042] In use, the hand-held rods 13 on both sides are held to pull the moving member 5 to move upward, when the moving member 5 moves to the outside of the front screen 3, the gear 8 is just engaged with the rack 14, when the moving member 5 moves upward again, the gear 8 rotates on the rack 14, so as to drive the connecting rod 7 to rotate, so as to control the rotation of the brush 6 and the cleaning cotton 9, the dust and particles on the surface of the front screen 3 are cleaned by rotating the brush 6 first, and then the residual on the surface of the front screen 3 is cleaned by rotating the cleaning cotton 9, so that the cleanliness of the surface of the front screen 3 is improved, when the moving member 5 moves out, the first spring 11 pushes out the dust collecting frame 10 to collect the dust and particles after cleaning, when the cleaning is completed, the moving member 5 moves to the inside of the lifting groove 4, the sealing plate 15 seals the opening of the lifting groove 4, when the front screen 3 needs to be replaced, two fingers are used to press the limiting members 19 to move inward, the connection between the sharp ends of the limiting members 19 and the front screen 3 is disconnected, so that the mounting members 17 are removed from the mounting holes 16, the front screen 3 is convenient to disassemble and replace, and the assembly and disassembly are relatively convenient.
[0043] Those skilled in the art should understand that the discussion of any embodiment above is only exemplary, and is not intended to imply that the scope of the utility model includes the claims limited to these examples; the technical features of the above embodiments or different embodiments can also be combined under the idea of the utility model, the steps can be implemented in any order, and there are many other changes of different aspects of the utility model as described above, which are not provided in details for the sake of brevity.
[0044] The present application is intended to cover all such alternatives, modifications, and variations that fall within the broad scope of the appended claims. Accordingly, any and all such alternatives, modifications and variations should be included within the scope of the present application.
Claims
1. A device for air filtration for a micro-pressurized oxygen cabin, comprising: The oxygen warehouse body (1) is provided with an air inlet part (2) on one side, and a front net (3) is installed inside the air inlet part (2); characterized in that it further comprises: A moving part (5) is located inside the air inlet part (2), a plurality of brushes (6) are provided inside the moving part (5), connecting rods (7) are fixedly connected at both ends of the brushes (6), the connecting rods (7) are rotatably connected inside the moving part (5), a plurality of cleaning cottons (9) are further provided inside the moving part (5), and the brushes (6) and the cleaning cottons (9) are used to clean the particles adhered to the surface of the front net (3); A plurality of mounting holes (16) are provided inside the frame of the front net (3), mounting parts (17) are installed inside the mounting holes (16), two symmetrically distributed limiting parts (19) are provided inside the mounting parts (17), and the mounting parts (17) are used to fix the position of the front net (3).
2. The air filtering device for the micro-pressure oxygen cabin according to claim 1, characterized in that: The air inlet part (2) is provided with a lifting groove (4), the moving part (5) is slidably connected inside the lifting groove (4), seven groups of brushes (6) are rotatably connected inside the moving part (5), four groups of cleaning cottons (9) are rotatably connected inside the moving part (5), and the diameters of the cleaning cottons (9) increase from top to bottom.
3. The air filtering device for the micro-pressure oxygen cabin according to claim 1, characterized in that: The connecting rod (7) is rotatably connected to the inside of one side of the moving part (5), a gear (8) is fixedly connected to the outer end of the connecting rod (7), a rack (14) is engagedly connected to the outside of the gear (8), and the rack (14) is fixedly connected to the inside of the lifting groove (4).
4. The air filtering device for the micro-pressure oxygen cabin according to claim 1, characterized in that: A plurality of first springs (11) are fixedly connected to the lower end of the moving part (5), and the other end of the first spring (11) is fixedly connected to one side of the dust collecting frame (10).
5. The air filtering device for micro-pressure oxygen cabin according to claim 1, characterized in that: The moving part (5) is slidably connected to the outside of the guide rail (12), the guide rail (12) is fixedly connected to the inside of the lifting groove (4), and handheld rods (13) are fixedly connected to both ends of the moving part (5).
6. The air filtering device for micro-pressure oxygen cabin according to claim 5, characterized in that: A sealing plate (15) is rotatably connected to the upper end of the lifting groove (4), and the sealing plate (15) is located below the front net (3).
7. The air filtering device for micro pressure oxygen cabin according to claim 1, characterized in that: The outside of the mounting part (17) penetrates through one side of the air inlet part (2) and is inserted into the mounting hole (16), and two inner grooves (18) are provided inside the mounting part (17).
8. The air filtering device for micro pressure oxygen cabin according to claim 1, characterized in that: Two second springs (20) are fixedly connected to one side of the limiting part (19), the other end of the second spring (20) is fixedly connected to the inside of the inner groove (18), and the sharp end of the limiting part (19) is clamped on one side of the front net (3).