A filtration device and purifier

By integrating multiple filter media into the same housing, and using a fixed bracket and removable cover to simplify filter replacement, the cumbersome operation problem of the separate filter media design in traditional air purifiers is solved, improving maintenance efficiency and user experience.

CN224573440UActive Publication Date: 2026-07-31北京三五二环保科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
北京三五二环保科技有限公司
Filing Date
2025-07-30
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

The separate filter design in traditional air purifiers makes the installation and replacement process cumbersome, time-consuming, and labor-intensive, and it is also easy to damage parts, reducing user experience and maintenance efficiency.

Method used

An integrated filtration device is used, which integrates multiple filter media into the same housing chamber and is divided into multiple connected housing spaces by a fixing frame. With the help of a removable shield and support frame, the filter media replacement process is simplified and the repeated disassembly and assembly of multiple independent units is avoided.

Benefits of technology

It significantly simplifies the disassembly and assembly steps of multi-stage filter media, improves maintenance efficiency, reduces the risk of component damage, and enhances the user experience.

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Abstract

This application relates to the field of air purifiers and discloses a filtration device and purifier, including a housing, a shield, and at least one mounting bracket. The housing has a receiving chamber with a first opening and a second opening. A support bracket is provided at the first opening. The shield is detachably installed at the second opening and has a hollow area. The mounting bracket is installed in the receiving chamber and divides the receiving chamber into multiple receiving spaces, with adjacent receiving spaces connected. Filter media is disposed in each receiving space. This application integrates multiple filter media into the receiving chamber of the same housing and uses at least one mounting bracket to divide the receiving chamber into multiple connected receiving spaces to accommodate filter media respectively. Combined with the detachable shield at the second opening and the support bracket at the first opening, operators only need to remove and install the shield to complete the replacement or maintenance of filter media in all receiving spaces at once, significantly simplifying the disassembly and assembly steps of multi-stage filter media and improving maintenance efficiency.
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Description

Technical Field

[0001] This application relates to the field of air purifiers, and more particularly to a filtration device and an air purifier. Background Technology

[0002] Air purification equipment typically employs multi-stage filtration to enhance purification efficiency, involving the combined use of filter materials with different properties. For example, activated carbon filters primarily adsorb gaseous pollutants, while HEPA filters intercept fine particulate matter. In traditional filter structures, each type of filter material must be independently housed within a dedicated frame and arranged sequentially within the purifier's air duct. When the equipment requires two types of filter materials, they must be placed in two separate filter units. This modular design leads to significant drawbacks in filter installation and replacement: operators must sequentially disassemble and reassemble two independent filter frames to remove and place the filter materials. This process is cumbersome, time-consuming, and labor-intensive, and in frequent maintenance scenarios, the repeated disassembly and reassembly increases the risk of component damage. Especially for home or commercial air purification equipment that requires regular filter replacement, the operational complexity of the modular structure severely reduces user experience and maintenance efficiency. Utility Model Content

[0003] In view of this, the purpose of this application is to overcome the shortcomings of the prior art and provide a filtration device and purifier.

[0004] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0005] This application provides:

[0006] A filtration device, comprising:

[0007] A housing, the housing having a receiving chamber having a first opening and a second opening, and a support frame being provided at the first opening;

[0008] A shielding component, which is detachably disposed at the second opening, and has a hollow area;

[0009] At least one mounting bracket is disposed in the receiving chamber, the mounting bracket divides the receiving chamber into multiple receiving spaces, two adjacent receiving spaces are connected, and filter media is disposed in the receiving spaces.

[0010] Furthermore, the support frame has at least one first clearance groove, the first clearance groove has a support surface, and the circumferential wall of the first clearance groove is provided with a first limiting member.

[0011] Furthermore, the fixing frame includes a frame body having at least one second clearance groove, the second clearance groove having a limiting surface.

[0012] Furthermore, a second limiting element is provided on the circumferential wall of the second clearance groove.

[0013] Furthermore, the shielding component includes an integrally formed first cover and a second cover. The inner side wall of the first cover is provided with a locking block, and the outer periphery of the second opening of the shell is provided with a locking groove, and the locking block is engaged with the locking groove.

[0014] Furthermore, a plurality of limiting strips are provided at the connection between the first cover and the second cover along the extending direction of the first cover, and the first cover and the limiting strips define a limiting groove, with the sidewall at the second opening of the shell located within the limiting groove.

[0015] Furthermore, the number of the fixing frames is N, satisfying: N≥1. When N=1, the fixing frames divide the accommodating chamber into a first accommodating space and a second accommodating space. The first accommodating space is provided with a first filter material, and the second accommodating space is provided with a second filter material.

[0016] Furthermore, the filtering device also includes a connecting assembly for detachably connecting the fixing frame and the housing. The connecting assembly includes a protrusion disposed on the inner sidewall of the housing and a fastening member disposed on the peripheral side of the fixing frame, the fastening member being fastened to the protrusion.

[0017] Furthermore, the filtering device also includes a limiting component for limiting the position of the fixing frame. The limiting component includes a stop bar disposed on the inner wall of the housing and an abutment block disposed on the peripheral side of the fixing frame, the abutment block abutting against the stop bar.

[0018] This application also provides a purifier that includes the filtration device described in any of the preceding claims.

[0019] This application integrates multiple filter media into the housing chamber of the same shell and uses at least one fixing frame to divide the housing chamber into multiple interconnected housing spaces to accommodate the filter media respectively. With the help of a detachable shield at the second opening and a support frame at the first opening, the operator only needs to remove and install the shield to complete the replacement or maintenance of the filter media in all housing spaces at once. This significantly simplifies the disassembly and assembly steps of multi-stage filter media, improves maintenance efficiency, and avoids the risk of component damage caused by repeatedly disassembling and assembling multiple independent filter units.

[0020] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 A schematic diagram of the overall structure of the filtration device of this application is shown;

[0023] Figure 2 A cross-sectional schematic diagram of the filtering device of this application is shown;

[0024] Figure 3 A schematic diagram of the structure of the filter device in the explosion state of this application is shown;

[0025] Figure 4 A schematic diagram of the shell structure of this application is shown;

[0026] Figure 5 A schematic diagram of the fixing frame structure of this application is shown;

[0027] Figure 6 A schematic diagram of the shielding component structure of this application is shown;

[0028] Figure 7 This application shows Figure 2 Enlarged structural diagram at point A in the middle;

[0029] Figure 8 This application shows Figure 6 Enlarged structural diagram at point B.

[0030] Explanation of key component symbols:

[0031] 100 - Shell; 101 - Reception chamber; 1011 - First reception space; 1012 - Second reception space; 110 - Support frame; 111 - First clearance groove; 112 - First limiting member; 120 - Slot; 200 - Covering member; 210 - First cover; 220 - Second cover; 230 - Locking block; 240 - Limiting strip; 241 - Limiting groove; 300 - Fixing frame; 310 - Frame; 311 - Second clearance groove; 320 - Second limiting member; 410 - First filter material; 420 - Second filter material; 500 - Connecting assembly; 510 - Protrusion; 520 - Fastening member; 600 - Limiting assembly; 610 - Stop strip; 620 - Abutment block. Detailed Implementation

[0032] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0033] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0034] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0035] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0036] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0037] This application provides a filtration device, which includes a housing 100, a shielding member 200, and at least one fixing frame 300. Specifically, the housing 100 has a receiving chamber 101, which has a first opening and a second opening. A support frame 110 is provided at the first opening. The shielding member 200 is detachably provided at the second opening and has a hollow area. The fixing frame 300 is provided in the receiving chamber 101 and divides the receiving chamber 101 into multiple receiving spaces. Two adjacent receiving spaces are connected, and filter media is provided in the receiving spaces.

[0038] Please see Figure 1 , Figure 2 as well as Figure 3 As shown, in this embodiment, in order to replace and install multiple levels of filter media, a fixing frame 300 is provided in the housing chamber 101 of the housing 100. The fixing frame 300 divides the housing chamber 101 into multiple housing spaces, thereby enabling the housing chamber 101 to install multiple levels of filter media. When the filter media needs to be replaced, it is only necessary to remove the entire housing 100 from the purifier to replace multiple filter media. Compared with the existing method of separately setting the filter media in the frame, this application only requires placing the housing 100 in the purifier or removing it from the purifier to install and replace all the filter media, whether installing or removing the filter media.

[0039] Specifically, the bottom opening of the receiving chamber 101 is the first opening, and the top opening of the receiving chamber 101 is the second opening. In order to prevent the filter material from falling out of the first opening, a support frame 110 is set at the first opening to support the filter material. In order to prevent the filter material from falling out of the second opening, a blocking member 200 is set at the second opening to block the filter material. That is, the filter material is restricted between the support frame 110 and the blocking member 200, thereby limiting the position of the filter material and preventing it from falling out of the receiving chamber 101 and failing to perform the filtering function.

[0040] In some embodiments, the support frame 110 has at least one first clearance groove 111, the first clearance groove 111 has a support surface, and the circumferential wall of the first clearance groove 111 is provided with a first limiting member 112.

[0041] Please see Figure 4As shown, in order for the gas to be purified by passing through the filter material located in the containment chamber 101, it is necessary to connect the containment chamber 101 with the outside. Specifically, multiple first clearance grooves 111 are provided on the support frame 110. In this embodiment, there are nine first clearance grooves 111 evenly spaced. That is, the containment chamber 101 is connected to the outside at the first opening position through multiple first clearance grooves 111, so that air can smoothly enter the filter material located in the containment chamber 101. Furthermore, in order to prevent the filter material from falling out of the containment chamber 101 from the first clearance grooves 111, an extension plate is provided at the bottom of the side wall of the first clearance groove 111. The extension plate has a support surface, which supports and limits the filter material to prevent the filter material from falling out of the containment chamber 101.

[0042] Furthermore, to prevent the filter material from sliding, a plurality of first limiting members 112 are provided on the circumferential sidewall of the first clearance groove 111. The first limiting members 112 abut against the filter material, thereby achieving lateral limiting of the filter material. For example, the first limiting member 112 can be a protrusion or a rib, etc.

[0043] In some embodiments, the mounting bracket 300 includes a frame body 310, the frame body 310 having at least one second clearance groove 311, the second clearance groove 311 having a limiting surface. A second limiting member 320 is provided on the circumferential wall of the second clearance groove 311.

[0044] Please see Figure 5 As shown, in order to allow air to be filtered and purified by the filter media in the two accommodating spaces, several second clearance slots 311 need to be provided on the frame 310 for clearance, so that air can pass through the second clearance slots 311 and be filtered by the filter media. Furthermore, the number, size and position of the second clearance slots 311 are adapted to the first clearance slots 111, so that air can pass smoothly through the first clearance slots 111 and the second clearance slots 311 and be filtered and purified by the filter media. Furthermore, in order to prevent the filter media from shaking in the accommodating chamber 101, an extension plate is provided on the top of the side wall of the second clearance slot 311. The surface of the extension plate facing the support frame 110 is the limiting surface. The limiting surface abuts against the filter media to achieve axial limiting of the filter media.

[0045] In this embodiment, in order to prevent the filter material in the first accommodating space 1011 from shaking, a plurality of evenly distributed second limiting members 320 are provided on the inner peripheral side of the second clearance groove 311. The second limiting members 320 abut against the peripheral surface of the filter material to achieve lateral limiting, thereby preventing the filter material from moving and shaking and generating noise.

[0046] In some embodiments, the shielding member 200 includes an integrally formed first cover 210 and a second cover 220. The inner sidewall of the first cover 210 is provided with a locking block 230, and the outer sidewall of the second opening of the shell member 100 is provided with a locking groove 120, and the locking block 230 is engaged with the locking groove 120.

[0047] Please see Figure 2 , Figure 6 , Figure 7 as well as Figure 8 As shown, in order to prevent the filter material from detaching from the second accommodating space 1012, a blocking member 200 is detachably installed at the second opening position of the housing 100. The blocking member 200 blocks the filter material in the second accommodating space 1012. Specifically, the blocking member 200 mainly includes an integrally formed first cover 210 and a second cover 220, and the first cover 210 and the second cover 220 form a preset angle. In this embodiment, the first cover 210 and the second cover 220 are set perpendicularly. The second cover 220 abuts against the filter material located in the second accommodating space 1012 to block it and prevent the filter material from detaching from the second accommodating space 1012.

[0048] Furthermore, in order to make the entire shield 200 detachably connected to the shell 100, a plurality of locking blocks 230 are provided on the inner side wall of the first cover 210. Correspondingly, the outer wall of the shell 100 is also provided with a slot 120 that matches the locking blocks 230. The connection between the entire shield 200 and the shell 100 is achieved by the locking blocks 230 engaging with the slots 120.

[0049] In some embodiments, a plurality of limiting strips 240 are provided at the connection between the first cover 210 and the second cover 220 along the extending direction of the first cover 210, and the first cover 210 and the limiting strips 240 define a limiting groove 241, and the sidewall at the second opening of the shell 100 is located in the limiting groove 241.

[0050] Please continue reading. Figure 6 , Figure 7 as well as Figure 8 As shown, in order to make the entire shielding component 200 more firmly connected to the shell 100, a plurality of limiting strips 240 are integrally formed at the connection between the first cover 210 and the second cover 220, and the limiting strips 240 are arranged parallel to the first cover 210. Correspondingly, the limiting strips 240 and the first cover 210 form a limiting groove 241. The width of the limiting groove 241 is adapted to the wall thickness at the second opening position of the shell 100, and the side wall at the second opening position of the shell 100 extends into the limiting groove 241 to limit its position, thereby making the connection between the entire shielding component 200 and the shell 100 more firmly.

[0051] In some embodiments, the number of fixtures 300 is N, satisfying: N≥1. When N=1, the fixtures 300 divide the accommodating chamber 101 into a first accommodating space 1011 and a second accommodating space 1012. A first filter material 410 is disposed in the first accommodating space 1011, and a second filter material 420 is disposed in the second accommodating space 1012.

[0052] Please see Figure 2 and Figure 3 As shown, the filter media includes a first filter media 410 and a second filter media 420. In this embodiment, there is one fixing frame 300. The fixing frame 300 divides the accommodating chamber 101 into a first accommodating space 1011 and a second accommodating space 1012. The first accommodating space 1011 is provided with the first filter media 410, and the second accommodating space 1012 is provided with the second filter media 420. That is, the first filter media 410 is defined between the support frame 110 and the fixing frame 300, and the second filter media 420 is defined between the fixing frame 300 and the shielding member 200. Specifically, the second cover 220 of the shielding member 200 abuts against the second filter media 420 to define its position. For example, the first filter media 410 is a carbon brick, and the second filter media 420 is filter paper. Specifically, the second filter media 420 can be HEPA filter paper.

[0053] In this embodiment, the first filter material 410 is placed in the first clearance groove 111, and the first filter material 410 is supported and limited by the support surface of the support frame 110. The circumferential surface of the first filter material 410 abuts against the first limiting member 112 on the axial sidewall of the first clearance groove 111. The first limiting member 112 limits the position of the first filter material 410 and prevents it from shaking.

[0054] In other embodiments, the number of fixing frames 300 can also be two, three, four, five, etc. The corresponding number of fixing frames 300 can be set according to the different types of filter media needed, so as to form a corresponding number of accommodating spaces to accommodate the filter media. The type and number of filter media are not limited here. It can be understood that the shape and structure of the fixing frames 300 and the support frame 110 can also be adjusted according to different types of filter media.

[0055] In some embodiments, the filter device further includes a connecting assembly 500 for detachable connection between the mounting bracket 300 and the housing 100. The connecting assembly 500 includes a protrusion 510 disposed on the inner sidewall of the housing 100 and a fastening member 520 disposed on the peripheral side of the mounting bracket 300. The fastening member 520 is fastened to the protrusion 510.

[0056] Please see Figure 4 and Figure 5As shown, in order to restrict the fixing frame 300 to a certain position in the accommodating chamber 101, a plurality of fastening members 520 are provided on the circumferential surface of the frame 310, and then a protrusion 510 is fixedly provided at a preset position on the inner wall of the accommodating chamber 101. After the first filter material 410 is placed in the accommodating chamber 101 and the first filter material 410 is placed on the support frame 110, the frame 310 is placed in the accommodating chamber 101, and the fastening members 520 and the protrusion 510 are fastened to restrict the position of the frame 310. At this time, the second clearance groove 311 on the frame 310 cooperates with the first filter material 410 to achieve the position limitation and fixation of the first filter material 410.

[0057] In some embodiments, the filter device further includes a limiting component 600 for limiting the fixing frame 300. The limiting component 600 includes a baffle 610 disposed on the inner wall of the housing 100 and an abutment block 620 disposed on the peripheral side of the fixing frame 300. The abutment block 620 abuts against the baffle 610.

[0058] Please continue reading. Figure 4 and Figure 5 As shown, in order to prevent the frame 310 from shifting position, multiple abutment blocks 620 are provided on the outer peripheral surface of the frame 310, and baffles 610 are provided on the inner side wall of the accommodating chamber 101 at positions corresponding to the abutment blocks 620. When the frame 310 is connected to the shell 100 through the cooperation of the protrusion 510 and the fastening member 520, each abutment block 620 abuts against its corresponding baffle 610. The position of the frame 310 is thus limited by the abutment between the multiple baffles 610 and the abutment blocks 620.

[0059] For example, the abutment block 620 is integrally formed with the frame 310, and the stop strip 610 is integrally formed with the shell 100.

[0060] This application also provides a purifier that includes the filtration device described in any of the above claims. Specifically, the purifier further includes a mounting position where the filtration device is disposed.

[0061] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0062] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A filter device, characterized in that include: The housing (100) has a receiving chamber (101) having a first opening and a second opening, and a support frame (110) is provided at the first opening. A shielding member (200) is detachably disposed at the second opening, and the shielding member (200) has a hollow area; At least one mounting bracket (300) is disposed in the receiving chamber (101), the mounting bracket (300) divides the receiving chamber (101) into a plurality of receiving spaces, two adjacent receiving spaces are connected, and filter media is disposed in the receiving spaces.

2. The filter device of claim 1, wherein, The support frame (110) has at least one first clearance groove (111), the first clearance groove (111) has a support surface, and the circumferential wall of the first clearance groove (111) is provided with a first limiting member (112).

3. The filter device of claim 1, wherein, The fixing frame (300) includes a frame body (310) having at least one second clearance groove (311) having a limiting surface.

4. The filter device of claim 3, wherein, The second clearance groove (311) is provided with a second limiting member (320) on its circumferential wall.

5. The filter device of claim 1, wherein, The shielding member (200) includes an integrally formed first cover (210) and a second cover (220). The inner side wall of the first cover (210) is provided with a locking block (230). The outer side of the second opening of the shell member (100) is provided with a locking groove (120). The locking block (230) is engaged with the locking groove (120).

6. The filter device of claim 5, wherein, A plurality of limiting strips (240) are provided at the connection between the first cover (210) and the second cover (220) along the extension direction of the first cover (210). The first cover (210) and the limiting strips (240) define a limiting groove (241). The side wall of the second opening of the shell (100) is located in the limiting groove (241).

7. The filter device of claim 1, wherein, The number of the fixing frames (300) is N, which satisfies: N≥1. When N=1, the fixing frames (300) divide the accommodating chamber (101) into a first accommodating space (1011) and a second accommodating space (1012). A first filter material (410) is provided in the first accommodating space (1011), and a second filter material (420) is provided in the second accommodating space (1012).

8. The filter device of claim 1, wherein, The filter device further includes a connecting assembly (500) for detachably connecting the fixing frame (300) and the housing (100). The connecting assembly (500) includes a protrusion (510) disposed on the inner sidewall of the housing (100) and a fastening member (520) disposed on the peripheral side of the fixing frame (300). The fastening member (520) is fastened to the protrusion (510).

9. The filter device of claim 1, wherein, The filter device further includes a limiting component (600) for limiting the fixed frame (300). The limiting component (600) includes a baffle (610) disposed on the inner wall of the housing (100) and an abutment block (620) disposed on the peripheral side of the fixed frame (300). The abutment block (620) abuts against the baffle (610).

10. A purifier characterized by comprising: Includes the filtration device as described in any one of claims 1 to 9.