Dust filtering device
By employing a dynamic balance design combining magnetic force and elasticity, and integrating modular filter media components, the dust filtration device achieves automated cleaning and high-efficiency filtration, solving the problem of frequent manual maintenance required by existing devices and improving filtration efficiency and adaptability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-27
- Publication Date
- 2026-04-07
AI Technical Summary
Existing dust filtration devices require frequent manual inspection, disassembly, cleaning, and replacement, resulting in low efficiency.
It employs a magnetic and elastic mechanism to achieve automated cleaning, combined with a modular filter media assembly design, including a detachable first filter media assembly and a second filter media assembly. High pressure triggers the partition plate to flip and the magnet attracts and shakes off the accumulated dust, ensuring continuous filtration. The dust collection unit's diversion design achieves efficient dust collection.
It significantly reduces the need for manual cleaning, improves filtration efficiency, enables automated cleaning and convenient maintenance, adapts to harsh industrial environments, and has energy-saving advantages.
Smart Images

Figure CN224086319U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to environmental treatment technical field, concretely is a dust filtering device. BACKGROUND
[0002] The dust filtering device is a kind of equipment for purifying air, removing solid particles (such as dust, smoke dust etc.). This kind of device is widely used in industrial production, medical environment and other scenes needing air purification, and its main purpose is to protect the environment clean and personnel health.
[0003] The most common dust filtering method is filter material interception, when dust particles approach filter material surface along airflow, if the distance between particle center line and filter material surface is less than or equal to particle radius, particle will contact filter material surface and be captured. Interception effect is mainly aimed at very small particle size, and its capture efficiency is related to filter material fiber diameter and particle size.
[0004] And the metal filter material used in the present application is woven from stainless steel or copper wire, which is used for fine filtering and high-temperature environment, and it is found that the metal filter material is prone to clogging in a short time, which needs frequent manual inspection, and needs to be disassembled, cleaned and replaced. This kind of frequent inspection, disassembly, cleaning and replacement not only wastes manual labor, but also greatly reduces the efficiency of dust filtering, therefore, it is necessary to provide a dust filtering device to solve the above technical problems. SUMMARY
[0005] The utility model discloses a dust filtering device to solve the problem that the existing dust filtering device needs frequent manual inspection and needs to be frequently disassembled, cleaned and replaced in the background art, and the technical scheme of the utility model provides a solution significantly different from the prior art to solve the problem that the prior art solution is too single.
[0006] To achieve the above object, the utility model provides the following technical scheme: a dust filtering device, including the body, the body inner wall one side swing joint is used for the auxiliary dust suction filter's isolation board, and the body inboard is installed and is used for collecting dust's collection drawer, the dust suction unit is connected to the body top.
[0007] In further embodiments, the body inner wall one side is connected with the first magnet, the body inner wall one side is installed with the first filter material assembly of detachable through sliding groove, and the body inner wall one side is also provided with the telescopic sleeve rod swing joint with the one side of the isolation board, the first filter material assembly side wall is installed with the pull rod of convenient manual disassembly and replacement.
[0008] In a further embodiment, the first filter media assembly includes a connecting frame and a metal filter media, and the connecting frame is used to fix the metal filter media around its perimeter.
[0009] In a further embodiment, a retractable spring post is engaged on the inner side of the telescopic sleeve.
[0010] In a further embodiment, a second filter material assembly is vertically mounted above the isolation plate, and a second magnet is connected to the bottom of the isolation plate near the second filter material assembly.
[0011] In a further embodiment, the second filter material assembly also includes a connecting frame and a metal filter material, and the connecting frame is also used to fix the metal filter material around its perimeter.
[0012] In a further embodiment, suction pipes are symmetrically arranged on the left and right sides of the dust collection unit. The dust collection unit can divert dust from both sides during suction and guide it to the inside of the unit for filtration and collection through the suction pipes.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] This invention presents a dust filtration device that achieves highly efficient automated cleaning through an innovative mechanical structure. When the second filter element becomes clogged, the high pressure generated inside the system triggers the automatic flipping of the isolation plate. Combined with the magnetic attraction and impact, this shakes off the accumulated dust, significantly reducing the need for manual cleaning. Simultaneously, the first filter element serves as a backup filtration layer, ensuring continuous filtration during cleaning. This dual protection greatly improves filtration efficiency. The modular filter element design, along with the sliding groove and pull rod structure, makes maintenance more convenient, while the collection drawer enables centralized dust recovery and treatment, effectively solving the pain points of traditional metal filter elements that are prone to clogging and require frequent maintenance.
[0015] This invention utilizes a dynamic balance between magnetic force and an elastic mechanism to achieve automatic resetting. Its simple and reliable structure requires no additional energy consumption, resulting in significant energy-saving advantages. The high-temperature and corrosion-resistant properties of its metal filter media, combined with a diversion-type dust collection design, enable the device to adapt to harsh industrial environments such as chemical and metallurgical industries, ensuring filtration efficiency while also meeting environmental protection requirements. The overall design achieves synergistic optimization of automatic blockage removal, uninterrupted filtration, and convenient maintenance through mechanical linkage, combining practicality and innovation to provide a highly efficient solution for industrial dust control. Attached Figure Description
[0016] Figure 1 A schematic diagram of a preferred embodiment of the dust filtration device provided by this utility model;
[0017] Figure 2 for Figure 1 The enlarged structural diagram at point A is shown below;
[0018] Figure 3 This is a schematic diagram of the structure used to clean a clogged filter plate.
[0019] Figure 4 for Figure 2 The diagram shows the structural layout of the metal frame and metal filter media installation.
[0020] In the figure: 1. Body; 11. First magnet; 12. First filter material assembly; 13. Telescopic sleeve; 14. Pull rod; 2. Isolation plate; 21. Second magnet; 22. Second filter material assembly; 3. Collection drawer; 4. Dust collection unit; 41. Suction pipe. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please pay special attention to points 1 and 2. Figure 4 The present invention provides an embodiment of a dust filtration device, comprising a body 1, an isolation plate 2 for assisting dust suction and filtration movably connected to one side of the inner wall of the body 1, a second filter material assembly 22 vertically installed above the isolation plate 2, the second filter material assembly 22 also including a connecting frame and metal filter material, and a collection drawer 3 for collecting dust installed inside the body 1, and a dust suction unit 4 connected above the body 1, with suction pipes 41 symmetrically arranged on the left and right sides of the dust suction unit 4, the dust suction unit 4 being able to divert dust from both sides during suction.
[0023] In use, the dust removal device is placed in the area where dust removal is required, and then the dust collection unit 4 is activated. The dust collection unit 4 sucks up the dust in the area. The dust collection unit 4 can divert the dust from both sides during suction. The dust collection unit 4 is an existing part, so it will not be described in detail here. The suction and diverted dust is guided by the suction pipe 41 into the space between the isolation plate 2 and the second filter material assembly 22 for filtration. Since the second filter material assembly 22 intercepts the dust through metal filter material, it will become clogged after a short period of use and will no longer be able to intercept and filter the dust. To solve this problem, it will be further explained below.
[0024] Please refer to the following carefully. Figures 2-3A first magnet 11 is connected to one side of the inner wall of the main body 1. A detachable first filter material assembly 12 is installed on one side of the inner wall of the main body 1 through a sliding groove. A telescopic sleeve rod 13 is also provided on one side of the inner wall of the main body 1 and is movably connected to one side of the isolation plate 2. A pull rod 14 is installed on the side wall of the first filter material assembly 12 to facilitate manual disassembly and replacement. The first filter material assembly 12 includes a connecting frame and metal filter material. The connecting frame is used to fix the metal filter material around its perimeter. A telescopic spring column is inserted inside the telescopic sleeve rod 13. A second filter material assembly 22 is vertically installed above the isolation plate 2. A second magnet 21 is connected to the bottom of the isolation plate 2 near the second filter material assembly 22. The connecting frame is also used to fix the metal filter material around its perimeter.
[0025] During use, the second filter assembly 22 is prone to clogging after a short period of use and can no longer intercept and filter dust. This prevents the drawn-out gas from being filtered out of the second filter assembly 22. Since the space above the main body 1 is still performing dust extraction, a high-pressure state is formed between the isolation plate 2 and the second filter assembly 22. Due to the accumulation of dust, a large amount of gravity is also generated. Under this high-pressure state, the isolation plate 2 is pushed to flip downwards under the elastic cooperation of the telescopic sleeve 13 and the internal spring column. This allows the dust adhering to the isolation plate 2 and the second filter assembly 22 to be poured into the inside of the collection drawer 3 for collection. In order to efficiently pour the stubborn dust adhering to the second filter assembly 22 into the inside of the collection drawer 3, when the isolation plate 2 flips downwards, it can also drive the second magnet 21 to flip. During the flipping process, the second magnet 21 will be quickly attracted by the first magnet 11, causing the second filter assembly 22 and the isolation plate 2 to generate an instantaneous impact force, thereby shaking the stubborn dust adhering to one side of the second filter assembly 22 and the isolation plate 2 into the inside of the collection drawer 3 for collection.
[0026] After the dust on the second filter assembly 22 and the isolation plate 2 is emptied, their weight will be reduced. At this time, the magnetic attraction force of the first magnet 11 and the second magnet 21 is less than the reset force of the telescopic sleeve rod 13 and the spring column. Therefore, the first magnet 11 and the second magnet 21 are forcibly disconnected by the elastic reset force of the spring column in the telescopic sleeve rod 13, so that the second filter assembly 22 and the isolation plate 2 flip upward and reset, thereby continuing to intercept and filter dust.
[0027] The function of the first filter assembly 12 is to temporarily intercept and filter dust when the second filter assembly 22 and the isolation plate 2 are flipped downwards, preventing dust from escaping into the air. The first filter assembly 12 and the main body 1 are detachable. Since the first filter assembly 12 does not play a major interception role, it can be used for a long time before being disassembled and replaced. When replacing, the first filter assembly 12 can be disassembled and cleaned by manually pulling the pull rod 14 outwards, without the need for frequent disassembly, cleaning and replacement.
[0028] Contents not described in detail in this specification are prior art known to those skilled in the art. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more. Terms such as "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," and "tail," indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They 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 utility model. Furthermore, terms such as "first," "second," and "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In the description of this utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or an integral connection; it can refer to a mechanical connection or an electrical connection; it can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0029] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A dust filtration device, comprising a body (1), characterized in that: The inner wall of the main body (1) is movably connected to an isolation plate (2) for assisting dust suction and filtration, and a collection drawer (3) for collecting dust is installed on the inner side of the main body (1). A dust collection unit (4) is connected to the top of the main body (1). The first filter media assembly (12) includes a connecting frame and a metal filter media, and the connecting frame is used to fix the metal filter media around its perimeter; A second filter assembly (22) is vertically installed above the isolation plate (2), and a second magnet (21) is connected to the bottom of the isolation plate (2) near the second filter assembly (22). The second filter media assembly (22) also includes a connecting frame and a metal filter media, and the connecting frame is also used to fix the metal filter media around its perimeter.
2. The dust filtration device according to claim 1, characterized in that: A first magnet (11) is connected to one side of the inner wall of the main body (1). A detachable first filter material assembly (12) is installed on one side of the inner wall of the main body (1) through a sliding groove. A telescopic sleeve rod (13) is also provided on one side of the inner wall of the main body (1) and is movably connected to one side of the isolation plate (2). A pull rod (14) is installed on the side wall of the first filter material assembly (12) to facilitate manual disassembly and replacement.
3. The dust filtration device according to claim 2, characterized in that: The telescopic sleeve (13) is fitted with a telescopic spring post on its inner side.
4. The dust filtration device according to claim 1, characterized in that: The dust collection unit (4) is symmetrically provided with suction pipes (41) on the left and right sides. The dust collection unit (4) can divert dust from both sides during suction and guide the dust to the inside of the body (1) for filtration and collection through the suction pipes (41).