A bendable and foldable multi-layer dust screen

By combining small- and large-pore polyethylene dustproof nets with a brush design, the problems of traditional dustproof nets being difficult to bend and fold and inconvenient to clean are solved, achieving graded filtration and easy cleaning, improving dustproof efficiency and extending service life.

CN224331760UActive Publication Date: 2026-06-09SHENZHEN FUCHUANG PLASTIC HARDWARE CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN FUCHUANG PLASTIC HARDWARE CO LTD
Filing Date
2025-07-04
Publication Date
2026-06-09

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  • Figure CN224331760U_ABST
    Figure CN224331760U_ABST
Patent Text Reader

Abstract

The utility model belongs to dust screen technical field, and disclose a kind of bendable folding multilayer dust screen, including the outside fixed of small hole polyethylene dust screen one is equipped with sliding body, the outside fixed of sliding body is equipped with concave long body, and sliding body slides inside concave long body, the outside of concave long body is equipped with elastic hollow body, and concave long body is fixed in the downside of elastic hollow body before and after, by small hole polyethylene dust screen one, big hole polyethylene dust screen two and brush, oblong plate, utilize polyethylene dust screen one and polyethylene dust screen two can realize grading filtration, big hole dust screen first intercepts larger particle dust, reduces small hole dust screen load, small hole dust screen blocks again fine dust, improves overall dust efficiency;At the same time, it can also be flexibly bent and folded and used, using brush and oblong plate can clean dust to avoid blockage, prolong service life, reduce replacement cost.
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Description

Technical Field

[0001] This utility model belongs to the field of dustproof net technology, specifically a bendable and foldable multi-layer dustproof net. Background Technology

[0002] Traditional dustproof nets typically use a single material or a simple multi-layer structure, lacking the characteristics of being flexible and foldable. They are difficult to adapt to complex terrain or scenarios requiring frequent storage and transportation, limiting their flexibility of use.

[0003] Meanwhile, a dustproof net with announcement number CN213492608U is disclosed, comprising at least one dustproof net unit. The dustproof net unit includes a fixed base, a support cylinder, a roller, and a dustproof net, wherein: a receiving groove is recessed at the center of the top of the fixed base; a fixing plate is provided at the lower end of the side wall of the support cylinder, and the fixing plate is fixed to the top of the fixed base; a sealing plate is fixed to the top of the support cylinder; a limiting groove is opened on the right side wall of the support cylinder; the lower end of the roller is inserted into the receiving groove, and the upper end passes through the sealing plate; the fixed end of the dustproof net is fixed to the roller, and the free end extends out of the support cylinder.

[0004] The aforementioned dustproof net can only provide basic dust protection and cannot provide graded protection against dust. Therefore, it will not be effective in blocking small dust particles. Furthermore, it lacks a cleaning device, so the dustproof net can only be cleaned after it has been completely removed, which is time-consuming and laborious during use.

[0005] Therefore, a flexible and foldable multi-layer dustproof net is proposed to address the above problems. Utility Model Content

[0006] To address the problems mentioned in the background art, this utility model provides a flexible and foldable multi-layer dustproof net, which can achieve graded filtration. The large-pore dustproof net first intercepts larger dust particles, reducing the load on the small-pore dustproof net, and the small-pore dustproof net then blocks fine dust, thereby improving the overall dustproof efficiency. At the same time, it can be flexibly bent and folded for use, and dust can be cleaned to avoid clogging, thus extending its service life and reducing replacement costs.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a bendable and foldable multi-layer dustproof net, comprising a small-pore polyethylene dustproof net one, a large-pore polyethylene dustproof net two, a brush, and a rectangular plate. The polyethylene dustproof net one and the polyethylene dustproof net two can achieve graded filtration. The large-pore dustproof net first intercepts larger dust particles, reducing the load on the small-pore dustproof net, and the small-pore dustproof net then blocks fine dust, improving the overall dustproof efficiency. At the same time, it can also be flexibly bent and folded for use. The brush and rectangular plate can clean dust to avoid clogging, extend service life, and reduce replacement costs.

[0008] Preferably, a flexible plate is fixedly provided at the middle of both the left and right ends of the elastic hollow body, and a fixing device is fixedly provided on the lower end surface of each flexible plate.

[0009] By adopting the above technical solution, the flexible plate can enhance the structural stability of both ends of the elastic hollow body, while the fixing device can facilitate the stable connection of the elastic hollow body with other components, ensuring that the elastic hollow body will not move arbitrarily during use and guaranteeing the normal operation of the entire device.

[0010] Preferably, a fixing plate is fixedly provided on the front end face of the small-hole polyethylene dustproof net one, and a fixing plate is fixedly provided on the front end face of the large-hole polyethylene dustproof net two.

[0011] By adopting the above technical solution, the fixing plate can provide additional support for the dustproof net, increase the structural strength of the dustproof net, make it less prone to deformation during installation and use, and also facilitate the replacement of the dustproof net.

[0012] Preferably, the elastic hollow body has grooves at both the upper and lower ends on the left side, and the fixing plate fits into the grooves.

[0013] By adopting the above technical solution, the fitting design of the groove and the fixing plate realizes the precise positioning and tight connection between the dustproof net and the elastic hollow body, which can effectively prevent the dustproof net from shaking or shifting during use. At the same time, it also provides convenience when replacing the dustproof net.

[0014] Preferably, the elastic hollow body has inner grooves on both the front and rear sides, and the rectangular plate fits into the inner grooves. Limiting grooves are provided on both the upper and lower sides of the inner grooves.

[0015] By adopting the above technical solution, it is ensured that the rectangular plate can only move in specific positions and directions during installation and use, thus preventing the rectangular plate from shifting or shaking.

[0016] Preferably, a second slider is fixedly provided on the right side of the upper end face of the rectangular plate, and a first slider is fixedly provided on the right side of the lower end face of the rectangular plate, and both the first slider and the second slider slide inside the limiting groove.

[0017] By adopting the above technical solution, the rectangular plate can slide smoothly and steadily within the inner groove.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0019] 1. This utility model utilizes a small-pore polyethylene dustproof net (first type), a large-pore polyethylene dustproof net (second type), a brush, and a rectangular plate. The polyethylene dustproof net (first type) and the polyethylene dustproof net (second type) enable graded filtration. The large-pore dustproof net first intercepts larger dust particles, reducing the load on the small-pore dustproof net, while the small-pore dustproof net then blocks fine dust, improving overall dustproof efficiency. Simultaneously, it can be flexibly bent and folded for use. The brush and rectangular plate can clean dust to prevent clogging, extending service life and reducing replacement costs.

[0020] 2. This utility model uses a concave elongated body and a sliding body. By using the concave elongated body and the sliding body together, the damaged dustproof net can be replaced individually without replacing the whole thing. This saves time and effort and avoids loss of profit. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the installation structure of the rectangular plate of this utility model;

[0023] Figure 3 This is a schematic diagram of the installation structure of the elastic hollow body of this utility model;

[0024] Figure 4 This is a schematic diagram of the installation structure of the brush of this utility model.

[0025] In the diagram: 1. Small-hole polyethylene dustproof net one; 2. Large-hole polyethylene dustproof net two; 3. Elastic hollow body; 4. Flexible board; 5. Fixing device; 6. Fixing plate; 7. Concave elongated body; 8. Sliding body; 9. Rectangular plate; 10. Groove; 11. Brush; 12. Inner groove; 13. Limiting groove; 14. Sliding block one; 15. Sliding block two. Detailed Implementation

[0026] 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.

[0027] The following describes an embodiment of this utility model based on its overall structure.

[0028] like Figures 1 to 4As shown, this utility model provides a bendable and foldable multi-layer dustproof net, including a small-hole polyethylene dustproof net 1 with a sliding body 8 fixed on the outside for sliding function, a concave elongated body 7 fixed on the outside of the sliding body 8 and sliding inside the concave elongated body 7, an elastic hollow body 3 on the outside of the concave elongated body 7 and fixed on the lower front and rear sides of the elastic hollow body 3, a concave elongated body 7 fixed on the upper left and right sides inside the elastic hollow body 3, a sliding body 8 sliding inside the concave elongated body 7, a large-hole polyethylene dustproof net 2 fixed on the inside of the sliding body 8 to prevent dust from entering, a brush 11 attached to the lower right side of the small-hole polyethylene dustproof net 1 and attached to the upper side of the large-hole polyethylene dustproof net 2, and a rectangular plate 9 fixed on the lower end face of the brush 11 for fixing function.

[0029] Flexible plates 4 are fixedly provided at the middle of both the left and right ends of the elastic hollow body 3, and fixing devices 5 are fixedly provided on the lower end surface of the flexible plates 4 to play a fixing role.

[0030] The front end of the small-hole polyethylene dustproof net 1 is fixed with a fixing plate 6, and the front end of the large-hole polyethylene dustproof net 2 is fixed with a fixing plate 6 to facilitate disassembly and installation.

[0031] The upper and lower ends of the left side of the elastic hollow body 3 are provided with grooves 10 to facilitate installation, and the fixing plate 6 fits into the grooves 10.

[0032] The elastic hollow body 3 has inner grooves 12 on both the front and rear sides to facilitate sliding within the grooves, and the rectangular plate 9 fits into the inner grooves 12. Limiting grooves 13 are provided on both the upper and lower sides of the inner grooves 12 to restrict movement within the area.

[0033] A second slider 15 is fixedly provided on the right side of the upper end face of the rectangular plate 9 to play a sliding role. A first slider 14 is fixedly provided on the right side of the lower end face of the rectangular plate 9, and both the first slider 14 and the second slider 15 slide inside the limiting groove 13.

[0034] The working principle and process of a flexible and foldable multi-layer dustproof net:

[0035] This multi-layer dustproof netting mainly consists of components such as small-pore polyethylene dustproof netting 1, large-pore polyethylene dustproof netting 2, elastic hollow body 3, sliding body 8, concave elongated body 7, and brush 11. These components work together through sliding and fitting to prevent dust from entering. The cooperation between the sliding body 8 and the concave elongated body 7 is key to enabling quick replacement and maintenance of the dustproof netting. The sliding body 8 can slide inside the concave elongated body 7, allowing the small-pore polyethylene dustproof netting 1 and the large-pore polyethylene dustproof netting 2 to move, thus achieving rapid replacement and installation. It is designed for use with different curvatures. To this end, the outer shell is designed as an elastic hollow body 3 to rebound and adapt to different curvatures. The brush 11 is attached to the small-hole polyethylene dustproof net 1 and the large-hole polyethylene dustproof net 2. When the dustproof net needs to be cleaned, the brush 11 at the upper and lower ends of the rectangular plate 9 is used to clean the surface of the dustproof net, remove dust and debris, and ensure the breathability and dustproof effect of the dustproof net. To ensure stability and limit during cleaning, slider 14 and slider 25 are set on the upper and lower sides of the rectangular plate 9 and slide inside the limiting groove 13 inside the inner groove 12 to ensure the stable movement of the brush 11.

[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A flexible and foldable multi-layer dustproof net, comprising a small-pore polyethylene dustproof net (1), characterized in that: A sliding body (8) is fixedly provided on the outer side of the small-hole polyethylene dustproof net (1). A concave elongated body (7) is fixedly provided on the outer side of the sliding body (8), and the sliding body (8) slides inside the concave elongated body (7). An elastic hollow body (3) is provided on the outer side of the concave elongated body (7), and the concave elongated body (7) is fixed on the lower front and rear sides of the elastic hollow body (3). A concave elongated body (7) is fixedly provided on the upper left and right sides of the elastic hollow body (3). A sliding body (8) is slidably provided inside the concave elongated body (7). A large-hole polyethylene dustproof net (2) is fixedly provided on the inner side of the sliding body (8). A brush (11) is attached to the lower right side of the small-hole polyethylene dustproof net (1), and the brush (11) is attached to the upper side of the large-hole polyethylene dustproof net (2). A rectangular plate (9) is fixedly provided on the lower end face of the brush (11).

2. The bendable and foldable multi-layer dustproof net according to claim 1, characterized in that: Flexible plates (4) are fixedly provided at the middle of both the left and right ends of the elastic hollow body (3), and fixing devices (5) are fixedly provided on the lower end face of the flexible plates (4).

3. The bendable and foldable multi-layer dustproof net according to claim 1, characterized in that: The front end face of the small-hole polyethylene dustproof net (1) is fixed with a fixing plate (6), and the front end face of the large-hole polyethylene dustproof net (2) is fixed with a fixing plate (6).

4. The bendable and foldable multi-layer dustproof net according to claim 1, characterized in that: The elastic hollow body (3) has grooves (10) at both the upper and lower ends on the left side, and the fixing plate (6) fits into the grooves (10).

5. The bendable and foldable multi-layer dustproof net according to claim 4, characterized in that: The elastic hollow body (3) has an inner groove (12) on both the front and rear sides, and the rectangular plate (9) fits into the inner groove (12). The inner groove (12) has a limit groove (13) on both the upper and lower sides.

6. The bendable and foldable multi-layer dustproof net according to claim 5, characterized in that: The upper right side of the rectangular plate (9) is fixedly provided with slider two (15), and the lower right side of the rectangular plate (9) is fixedly provided with slider one (14), and slider one (14) and slider two (15) slide inside the limiting groove (13).