Filtering mechanism for fresh air system of air conditioner

Abstract

The utility model provides a filtering mechanism for an air conditioner fresh air system, which belongs to the technical field of fresh air filtering, and comprises a filtering box, an air outlet pipe is fixed on the side wall of the left end of the filtering box, the right end of the filtering box is fixedly connected with an outer plate through a screw, a dustproof net is fixedly connected in the outer plate, a mounting plate is fixedly connected in the filtering box, and the mounting plate is fixedly connected in the filtering box. A filter screen is fixedly connected into the mounting plate, and a mounting rod is arranged between the dustproof net and the filter screen. Through the arrangement of the mounting rod, the rotating shaft, the mounting head, the first cleaning brush, the nut, the mounting block, the second cleaning brush, the connecting frame, the gear ring, the assembly frame, the motor and the gear, the dust screen and the filter screen are automatically cleaned, the filtering effect is guaranteed, a cleaning piece can slowly rotate for use, abrasion is reduced, the cleaning piece is conveniently replaced, and the cleaning efficiency is improved. The problems that in the prior art, a filter screen is inconvenient to clean, and a cleaning piece is inconvenient to replace are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of fresh air filtering, and in particular to a filtering mechanism for a fresh air system of an air conditioner. Background Art

[0002] As people pay more and more attention to indoor air quality, the filtering performance of air conditioning fresh air system has become the focus of consumers. The fresh air system is an independent air treatment system composed of air supply system and exhaust system. It is divided into two types: ducted fresh air system and ductless fresh air system. The ducted fresh air system consists of a fresh air fan and duct accessories. The fresh air fan purifies the outdoor air and introduces it into the room, and the indoor air is exhausted through the duct; the ductless fresh air system consists of a fresh air fan, which also purifies the outdoor air and introduces it into the room. Relatively speaking, the ducted fresh air system is more suitable for industrial or large-area office areas due to the large amount of engineering, while the ductless fresh air system is more suitable for home use because of its easy installation. The fresh air system is generally used with air conditioners and filters.

[0003] After searching, in the prior art, a Chinese patent with patent application number CN202123395090.3 discloses a high-efficiency filter for an air-conditioning fresh air system, including a filter box, an air outlet pipe is provided at the left end of the filter box, a box cover is fixedly installed at the right end of the filter box, a dustproof net is provided on the box cover, a transmission shaft is rotatably connected to the right end of the box cover, a spiral fan blade is fixedly installed at the right end of the transmission shaft, two connecting rods are fixedly connected to the transmission shaft, a cleaning roller is rotatably sleeved on the connecting rod, two filter screens are fixedly installed on the right side of the filter box, an activated carbon block is filled between the two filter screens, a humidification frame is fixedly installed on the left side of the filter box, a plurality of filter cotton plates are provided between the top and the bottom of the humidification frame, a water storage tank is opened at the top of the humidification frame, a water seepage net is provided at the bottom of the water storage tank, and a plurality of ultraviolet sterilization lamp panels are provided on the left end wall of the filter box; but the following defects still exist:

[0004] (1) The filter screen in the prior art is prone to clogging after long-term use, which makes it inconvenient to clean the internal filter screen, and it is inconvenient to replace the cleaning parts of the dust screen after aging and wear;

[0005] (2) The filtering device in the prior art has a poor gas purification effect and it is inconvenient to replace the purification parts.

[0006] Therefore, we have made improvements to this and proposed a filtering mechanism for the fresh air system of air conditioning. Utility Model Content

[0007] The purpose of the utility model is to solve the existing problems of inconvenience in cleaning the internal filter screen and poor gas purification effect.

[0008] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0009] A filtering mechanism used in an air conditioning fresh air system to improve the above problems.

[0010] The utility model is specifically as follows:

[0011] The filter assembly of claim 1, wherein the filter assembly has a plurality of mounting plates, each of which is connected to a plurality of filter elements, wherein the plurality of mounting plates are connected to the plurality of filter elements.

[0012] As an optimal technical solution of the utility model, the purification structure includes a base plate fixed to the lower end surface of the filter box by screws, and the upper end surface of the base plate is symmetrically and fixedly connected with two installation frames, and the two installation frames are respectively installed with activated carbon plates and ultrafine glass fiber plates.

[0013] As a preferred technical solution of the utility model, a first handle is fixedly connected to the lower end surface of the base plate, and a strip opening is opened on the upper end surface of the installation frame.

[0014] As a preferred technical solution of the utility model, the lower end surface of the filter box is provided with an installation port matching the filter screen, and the installation port is provided with an assembly plate, the assembly plate is fixedly connected to the filter box by screws, the upper end surface of the assembly plate is fixedly connected to the collection box, and the lower end surface of the assembly plate is fixedly connected to the second handle.

[0015] As a preferred technical solution of the utility model, a maintenance plate is fixedly connected to the front side wall of the filter box by screws, and a rubber ring is fixedly connected to the inner side wall of the maintenance plate.

[0016] As a preferred technical solution of the utility model, a through hole matching the rotating shaft is opened at the center of the dustproof net.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] In the solution of the utility model:

[0019] 1. Through the installation rod, rotating shaft, installation head, first cleaning brush, nut, installation block, second cleaning brush, connecting frame, gear ring, assembly frame, motor and gear, the dust screen and filter screen are automatically cleaned to ensure the filtering effect, and the cleaning part can be rotated slowly to reduce wear and tear, and the cleaning part can be replaced conveniently, which solves the problem of inconvenience in cleaning the filter screen and replacing the cleaning part in the prior art;

[0020] 2. Through the purification structure, the filtered gas can be purified again, the odor of the gas can be absorbed, the effect of gas purification can be further improved, and it is convenient to disassemble and replace, which solves the problems of poor purification effect and inconvenience in replacement in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the exploded structure of the filter mechanism for the fresh air system of the air conditioner provided by the utility model;

[0022] Figure 2 A schematic diagram of the internal structure of a filter mechanism for an air conditioning fresh air system provided by the utility model;

[0023] Figure 3 A schematic diagram of the bottom structure of the filter mechanism for the fresh air system of an air conditioner provided by the utility model;

[0024] Figure 4 A schematic diagram of the purification structure of the filter mechanism for the fresh air system of the air conditioner provided by the utility model;

[0025] Figure 5 This is a schematic diagram of the overall structure of the filter mechanism for the fresh air system of the air conditioner provided by the utility model;

[0026] Figure 6 The utility model provides Figure 2 Schematic diagram of the front view structure.

[0027] Indicated in the figure:

[0028] 1. Filter box; 2. Air outlet duct; 3. Outer panel; 4. Dust screen; 5. Mounting plate; 6. Filter screen; 7. Mounting rod; 8. Rotating shaft; 9. Mounting head; 10. First cleaning brush; 11. Nut; 12. Mounting block; 13. Second cleaning brush; 14. Connecting frame; 15. Gear ring; 16. Assembly frame; 17. Motor; 18. Gear; 19. Purification structure; 1901. Bottom plate; 1902. Mounting frame; 1903. Activated carbon board; 1904. Ultra-fine glass fiber board; 1905. First handle; 20. Assembly plate; 21. Collection box; 22. Second handle; 23. Maintenance board; 24. Rubber ring. DETAILED DESCRIPTION

[0029] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the present embodiment proposes a filtering mechanism for a fresh air system of an air conditioner, comprising a filter box 1, an air outlet pipe 2 is fixed on the left end side wall of the filter box 1, the right end of the filter box 1 is fixedly connected to an outer plate 3 by screws, a dust screen 4 is fixedly connected inside the outer plate 3, the dust screen 4 can filter impurities in the gas and external impurities, a mounting plate 5 is fixedly connected inside the filter box 1, a filter screen 6 is fixedly connected inside the mounting plate 5, so as to facilitate re-filtering of the gas, a mounting rod 7 is provided between the dust screen 4 and the filter screen 6, and the bottom end of the mounting rod 7 is fixedly connected to the inner bottom wall of the filter box 1, a rotating shaft 8 is rotatably connected inside the mounting rod 7, the outer end of the rotating shaft 8 passes through the dust screen 4 and is fixedly connected to a mounting head 9, a first cleaning brush 10 is provided on the mounting head 9, and a nut 11 is threadedly connected to the mounting head 9 The mounting head 9 and the nut 11 facilitate the installation and disassembly of the first cleaning brush 10, which is convenient for later replacement. The inner end of the rotating shaft 8 is fixedly connected with a mounting block 12, and the mounting block 12 is fixedly connected with the second cleaning brush 13 through a bolt assembly, which is convenient for installation and disassembly. A connecting frame 14 is fixedly connected to the rotating shaft 8, and a gear ring 15 is fixedly connected to the outer periphery of the connecting frame 14. An assembly frame 16 is fixedly connected to the inner bottom wall of the filter box 1, and a motor 17 is fixedly connected to the assembly frame 16. The driving end of the motor 17 is fixedly connected with a gear 18 meshing with the gear ring 15, which is convenient for driving the first cleaning brush 10 and the second cleaning brush 13 to rotate, thereby facilitating the cleaning of the dustproof net 4 and the filter net 6. A purification structure 19 for purifying gas is provided on the left side of the filter net 6.

[0031] like Figure 3and Figure 4 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the purification structure 19 includes a bottom plate 1901 fixed to the lower end surface of the filter box 1 by screws, and the upper end surface of the bottom plate 1901 is symmetrically and fixedly connected with two installation frames 1902, and the two installation frames 1902 are respectively installed with activated carbon plates 1903 and ultra-fine glass fiber plates 1904; the gas can be purified again by the activated carbon plates 1903 and the ultra-fine glass fiber plates 1904, thereby improving the purification effect and facilitating disassembly and replacement.

[0032] like Figure 3 and Figure 4 As shown, as a preferred embodiment, on the basis of the above method, further, the lower end surface of the base plate 1901 is fixedly connected with a first handle 1905, and the upper end surface of the mounting frame 1902 is provided with a strip opening; it is convenient to hold when disassembling, and the setting is simple and easy to use.

[0033] like Figure 1 , Figure 3 and Figure 4 As shown, as a preferred embodiment, on the basis of the above method, further, the lower end surface of the filter box 1 is provided with a mounting port matching the filter screen 6, and the mounting port is provided with an assembly plate 20, the assembly plate 20 is fixedly connected to the filter box 1 by screws, the upper end surface of the assembly plate 20 is fixedly connected with a collection box 21, and the lower end surface of the assembly plate 20 is fixedly connected with a second handle 22, so that it is convenient to collect impurities dropped from the clean filter screen 6, and it is also convenient to transfer the cleaned impurities.

[0034] like Figure 1 and Figure 6 As shown, as a preferred embodiment, based on the above method, further, a maintenance plate 23 is fixedly connected to the front side wall of the filter box 1 by screws, and a rubber ring 24 is fixedly connected to the inner wall of the maintenance plate 23; it is convenient to replace and repair the internal components.

[0035] like Figure 1 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, a through hole matching the rotating shaft 8 is opened at the center of the dustproof net 4; it is convenient for assembly, simple to set up, and easy to use.

[0036] Specifically, when the filtering mechanism for the fresh air system of the air conditioner is working / in use: when cleaning is required, the motor 17 is started to rotate the gear 18, and the rotation of the gear 18 drives the ring gear 15 to rotate slowly, thereby rotating the shaft 8. The rotation of the shaft 8 can rotate the first cleaning brush 10 and the second cleaning brush 13, so that the dust net 4 and the filter net 6 can be cleaned without cleaning all the time, reducing the wear of the first cleaning brush 10 and the second cleaning brush 13 and prolonging the service life. After double filtration through the dust net 4 and the filter net 6, the gas is filtered again through the activated carbon plate 1903, and then filtered again through the ultra-fine glass fiber board 1904, thereby improving the effect of gas filtration and purification treatment. By disassembling the bottom plate 1901, it is convenient to replace the activated carbon plate 1903 and the ultra-fine glass fiber board 1904, and can be used continuously.

[0037] All technical features in this embodiment can be freely combined according to actual needs.

[0038] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A filter mechanism for a fresh air system of an air conditioner, comprising a filter box (1), characterized in that: An air outlet pipe (2) is fixed on the left end side wall of the filter box (1), and the right end of the filter box (1) is fixedly connected to an outer plate (3) by screws, and a dust screen (4) is fixedly connected inside the outer plate (3), and a mounting plate (5) is fixedly connected inside the filter box (1), and a filter screen (6) is fixedly connected inside the mounting plate (5). A mounting rod (7) is provided between the dust screen (4) and the filter screen (6), and the bottom end of the mounting rod (7) is fixedly connected to the inner bottom wall of the filter box (1), and a rotating shaft (8) is rotatably connected inside the mounting rod (7), and the outer end of the rotating shaft (8) passes through the dust screen (4) and is fixedly connected to a mounting head (9), and a first cleaning brush (10) is provided on the mounting head (9). A nut (11) is threadedly connected to the mounting head (9); a mounting block (12) is fixedly connected to the inner end of the rotating shaft (8); the mounting block (12) is fixedly connected to a second cleaning brush (13) via a bolt assembly; a connecting frame (14) is fixedly connected to the rotating shaft (8); a gear ring (15) is fixedly connected to the outer periphery of the connecting frame (14); an assembly frame (16) is fixedly connected to the inner bottom wall of the filter box (1); a motor (17) is fixedly connected to the assembly frame (16); a gear (18) meshingly connected to the gear ring (15) is fixedly connected to the driving end of the motor (17); and a purification structure (19) for purifying gas is provided on the left side of the filter screen (6).

2. A filter mechanism for an air conditioning fresh air system according to claim 1, characterized in that: The purification structure (19) comprises a bottom plate (1901) fixed to the lower end surface of the filter box (1) by screws, and the upper end surface of the bottom plate (1901) is symmetrically and fixedly connected with two installation frames (1902), and the two installation frames (1902) are respectively installed with an activated carbon plate (1903) and an ultra-fine glass fiber plate (1904).

3. A filter mechanism for an air conditioning fresh air system according to claim 2, characterized in that: The lower end surface of the base plate (1901) is fixedly connected to a first handle (1905), and the upper end surface of the installation frame (1902) is provided with a strip opening.

4. The filter mechanism for an air conditioning fresh air system according to claim 1, characterized in that: The lower end surface of the filter box (1) is provided with an installation opening matching the filter screen (6), and the installation opening is provided with an assembly plate (20), the assembly plate (20) is fixedly connected to the filter box (1) by means of screws, the upper end surface of the assembly plate (20) is fixedly connected to a collection box (21), and the lower end surface of the assembly plate (20) is fixedly connected to a second handle (22).

5. The filter mechanism for an air conditioning fresh air system according to claim 1, characterized in that: A maintenance plate (23) is fixedly connected to the front side wall of the filter box (1) by means of screws, and a rubber ring (24) is fixedly connected to the inner side wall of the maintenance plate (23).

6. The filter mechanism for an air conditioning fresh air system according to claim 1, characterized in that: A through hole matching the rotating shaft (8) is provided at the center of the dustproof net (4).

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