A filter sealing structure with improved difficulty of counterfeiting

Abstract

The utility model discloses a filter sealing structure that can improve the difficulty of counterfeiting belongs to air purification equipment technical field, including filter and purifier host computer. The filter contains lower end cover, filter body, upper end cover, sealing cotton and base shell, and the purifier host computer installation position has coupling structure. The upper end cover is integrally formed and is equipped with arc convex and forms the high and low undulating structure, improves the difficulty of counterfeiting, and the sealing cotton shape is in line with the high and low undulating surface of the upper end cover, and the coupling structure is the high and low undulating structure of the adaptation sealing cotton. The base shell fixes the filter body, and the purifier host computer is buckled with the base shell and is sealed through the sealing cotton. The structure is simple, and the cost is low, and the sealing performance is good, can guarantee the air purification efficiency, improves the difficulty of counterfeiting simultaneously, and maintains the market order.

Description

Technical Field

[0001] This utility model relates to the field of air purification equipment technology, specifically to a filter sealing structure for air purifiers that increases the difficulty of imitation while ensuring sealing and filtration performance. Background Technology

[0002] In the field of air purification equipment, the filter is a core component, and its sealing performance with the main unit of the purifier directly affects the filtration effect of the whole machine. At the same time, the difficulty of imitating the filter structure is also related to the market order and brand rights of the product.

[0003] Currently, air purifier filters on the market have many shortcomings in terms of sealing and anti-counterfeiting. From the perspective of anti-counterfeiting, the top cover of conventional filters mostly adopts a simple flat structure. This structure has a regular shape, and the mold design and manufacturing are relatively easy. Counterfeiters can produce similar parts without investing too much in costs and technical barriers, making it extremely easy to imitate. A large number of counterfeit products flood the market, which not only harms the interests of legitimate manufacturers but also makes it difficult for consumers to distinguish between genuine and counterfeit products, affecting their choice of high-quality products.

[0004] From a sealing performance perspective, some filters employ a planar sealing structure. Due to the small contact area, air leakage is easily caused by assembly errors during actual assembly. Once air leakage occurs, unfiltered outside air will directly enter the main unit, severely reducing filtration efficiency and failing to achieve the expected air purification effect. Other filters have complex sealing designs, which not only increase manufacturing costs but may also interfere with the assembly of the purifier's main unit, further affecting sealing performance. This also provides more room for counterfeiting, as complex structures are more prone to deviations if the manufacturing process is not properly controlled. However, this doesn't fundamentally increase the core difficulty of counterfeiting; it only increases its complexity.

[0005] To address the dual problems of low counterfeiting difficulty and poor sealing performance, there is an urgent need to design a filter sealing structure that is simple in structure, has excellent sealing performance, and can effectively increase the difficulty of counterfeiting. Utility Model Content

[0006] The purpose of this utility model is to overcome the shortcomings of existing air purifier filter sealing structures, such as low imitation difficulty and poor sealing performance, and to provide a filter sealing structure that achieves a simple structure, tight seal with the main unit, and effectively improves the imitation difficulty, thereby ensuring the filtration performance of the air purifier and maintaining product market order.

[0007] The above-mentioned objective of this utility model is achieved through the following technical solution: a filter sealing structure that can increase the difficulty of imitation, including a filter and a purifier main unit, wherein the filter includes a lower end cover, a filter body, an upper end cover and sealing cotton, and the purifier main unit is provided with an installation position that is adapted and coupled to the shape of the upper end cover.

[0008] The upper cover is a one-piece molded structure with at least one pair of arc-shaped protrusions. The arc-shaped protrusions are peaks, and the spaces between them are troughs, forming a ring of undulating structure on the upper cover. The vertical distance of the height difference is 5-10mm. This unique undulating structure significantly increases the complexity of mold design and manufacturing compared to conventional planar structures, thereby increasing the difficulty of imitation.

[0009] The sealing cotton is an elastic sealing material, and its shape is completely fitted to the uneven surface of the upper end cover. The sealing cotton is fixed to the uneven surface of the upper end cover.

[0010] The air purifier main unit is provided with a coupling structure at the mounting position. This coupling structure is a high and low undulating structure that is adapted to the shape of the sealing cotton. When the filter is installed in the air purifier main unit, the sealing cotton is completely fitted into the high and low undulating structure of the coupling structure to form a seal.

[0011] Furthermore, the filter is provided with a base shell, on which air inlets are evenly distributed. The filter body is fixed in the base shell by a lower end cover and an upper end cover. The purifier main unit is connected to the upper end of the base shell by an elastic buckle and is sealed to the upper end cover by sealing cotton.

[0012] Furthermore, the elastic sealing material is one of polyurethane foam, EVA, rubber, or silicone.

[0013] Furthermore, the sealing cotton is fixed to the uneven surface of the upper cover by adhesive or snap-fit.

[0014] Furthermore, the upper cover is integrally injection molded from ABS plastic.

[0015] The advantages of this utility model compared with the prior art are:

[0016] 1. Increased difficulty of counterfeiting: The top cover is a one-piece molded structure with specific arc-shaped protrusions forming an undulating structure. This unique structure increases the difficulty of mold design and manufacturing. Counterfeiters need more precise molds and higher levels of craftsmanship, thus effectively increasing the difficulty of counterfeiting. This helps maintain product market order, protect the rights and interests of legitimate manufacturers, and also makes it easier for consumers to distinguish between genuine and counterfeit products.

[0017] 2. Simple structure and low cost: The anti-counterfeiting and sealing functions are achieved through the design of the upper cover with an arc-shaped protrusion, sealing cotton and the coupling structure of the air purifier main unit. There is no need to add additional complex anti-counterfeiting parts, which simplifies the production process and reduces material and manufacturing costs.

[0018] 3. Excellent sealing performance ensures filtration performance: The sealing cotton and the uneven surfaces of the upper cover, as well as the coupling structure of the purifier main unit, are all designed to be compatible. Compared with traditional flat seals, this can effectively increase the contact area, eliminate assembly gaps, prevent unfiltered air from leaking into the main unit, and ensure the overall filtration efficiency of the machine.

[0019] 4. Stable overall structure: The filter body is fixed by the base shell, and the air purifier main unit is connected to the base shell by elastic buckles, making the entire filter sealing structure more stable and improving the reliability during use. Attached Figure Description

[0020] Figure 1 This is an exploded structural diagram of the present invention.

[0021] Figure 2 This is a schematic diagram of the overall appearance structure of this utility model.

[0022] Figure 3 This is an exploded structural diagram of the filter part in this utility model.

[0023] Figure 4 This is a schematic diagram of the overall appearance structure of the filter part in this utility model.

[0024] Figure 5 This is a schematic diagram of the bottom structure of the air purifier main unit of this utility model.

[0025] Explanation of reference numerals in the attached diagram: 1-Lower end cap; 2-Filter body; 3-Upper end cap; 4-Sealing cotton; 5-Purifier main unit; 6-Coupling structure; 7-Arched protrusion; 8-Base shell; 9-Elastic buckle. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings.

[0027] like Figure 1-5As shown, the filter sealing structure of this utility model, which increases the difficulty of imitation, mainly consists of a filter and an air purifier main unit (5). The filter includes a lower end cover (1), a filter body (2), an upper end cover (3), sealing cotton (4), and a base shell (8). The air purifier main unit (5) is provided with an installation position that is adapted to and coupled with the shape of the upper end cover (3). The upper end cover (3) is an integrally formed structure with at least a pair of arc-shaped protrusions (7). The arc-shaped protrusions (7) serve as peaks, and the arc-shaped protrusions (7) form troughs, creating a ring of undulating structure on the upper end cover (3). The vertical distance of the height difference is between 5-10mm, which increases the difficulty of imitation. The sealing cotton (4) is made of elastic sealing material and its shape is completely fitted to the undulating surface of the upper end cover (3), and it is fixed to the upper end cover (3). The air purifier main unit (5) has a coupling structure (6) at its mounting position. This structure is designed to match the shape of the sealing cotton (4). When the filter is installed in the main unit, the sealing cotton (4) fits completely into this structure, achieving a tight seal. The base shell (8) has evenly distributed air inlets. The filter body (2) is fixed in the base shell (8) by the lower end cover (1) and the upper end cover (3). The air purifier main unit (5) is connected to the upper end of the base shell by elastic buckles (9) and is sealed to the upper end cover (3) by the sealing cotton (4).

[0028] Component preparation of this utility model:

[0029] 1. The upper cover (3) is made of ABS plastic injection molding and is designed with two pairs of symmetrically distributed arc protrusions (7). The vertical drop from the peak to the trough formed by the arc protrusions (7) is 5mm.

[0030] 2. The sealing cotton (4) is made of flame-retardant polyurethane sponge with a thickness of 5mm. It is cut according to the height and undulation surface size of the upper end cover (3) and pasted on the height and undulation surface of the upper end cover (3) with environmentally friendly glue.

[0031] 3. The coupling structure (6) of the air purifier main unit (5) is an injection-molded high and low undulating structure, and its shape is perfectly matched with the shape of the sealing cotton (4);

[0032] 4. The base shell (8) is made of plastic (such as PP, ABS, etc.) injection molding, and its side wall is evenly covered with air inlets.

[0033] Assembly and use of this utility model:

[0034] 1. Fix the filter body (2) in the base housing (8) through the lower end cover (1) and the upper end cover (3) to complete the assembly of the filter;

[0035] 2. During assembly, with the side with sealing cotton (4) facing up, connect the air purifier main unit (5) to the slot on the upper inner wall of the base shell (8) through the elastic buckle (9) at the lower end. At this time, the sealing cotton (4) of the filter is completely embedded in the high and low undulating structure of the coupling structure (6) of the air purifier main unit (5) to form a tight seal.

[0036] 3. After powering on, air enters through the air inlet of the base shell (8), and is output only after being filtered by the filter body (2), with no air leakage.

[0037] 4. When consumers replace the filter, they can help distinguish the authenticity of the product by observing the unique feature of the undulating structure formed by the arc-shaped protrusion (7) on the upper cover (3).

[0038] In this embodiment, the number of arc-shaped protrusions (7) on the upper cover (3) can be adjusted according to the air purifier model, such as 1-3 pairs. The vertical drop between the peaks and troughs can be adjusted within the range of 5-10mm. As long as the arc-shaped protrusions are used to form a high and low undulating structure to increase the difficulty of imitation and achieve a sealed design, they all fall within the protection scope of this utility model.

[0039] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A filter sealing structure that increases the difficulty of counterfeiting, characterized in that: The system includes a filter and a main unit (5). The filter includes a lower end cover (1), a filter body (2), an upper end cover (3), and sealing cotton (4). The main unit (5) is provided with a mounting position that is adapted to and coupled with the shape of the upper end cover (3). The upper end cover (3) is an integrally formed structure. The upper end cover (3) is provided with at least one pair of arc-shaped protrusions (7). The arc-shaped protrusions (7) are peaks, and the spaces between the arc-shaped protrusions (7) are troughs, forming a ring of undulating structure on the upper end cover (3). The sealing cotton (4) is an elastic sealing material, and its shape is completely fitted to the undulating surface of the upper end cover (3). The sealing cotton (4) is fixed to the undulating surface of the upper end cover (3). The mounting position of the purifier host (5) is provided with a coupling structure (6). The coupling structure (6) is a undulating structure that is adapted to the shape of the sealing cotton (4). When the filter is installed in the purifier host (5), the sealing cotton (4) is completely fitted into the undulating structure of the coupling structure (6) to form a seal.

2. The filter sealing structure according to claim 1, which increases the difficulty of counterfeiting, is characterized in that: The vertical distance between the peaks and troughs is 5-10 mm.

3. The filter sealing structure according to claim 1, which increases the difficulty of counterfeiting, is characterized in that: The filter is provided with a base shell (8), and the base shell (8) is provided with air inlets evenly distributed. The filter body (2) is fixed in the base shell (8) by the lower end cover (1) and the upper end cover (3). The purifier host (5) is connected to the upper end of the base shell by elastic buckle and is sealed to the upper end cover (3) by sealing cotton (4).

4. The filter sealing structure according to claim 1, which increases the difficulty of counterfeiting, is characterized in that: The elastic sealing material is one of polyurethane foam, EVA, rubber, or silicone.

5. The filter sealing structure according to claim 1, which increases the difficulty of counterfeiting, is characterized in that: The sealing cotton (4) is fixed to the uneven surface of the upper cover (3) by adhesive or snap-fit.

6. The filter sealing structure according to claim 1, which increases the difficulty of counterfeiting, is characterized in that: The upper cover (3) is made of ABS plastic through one-piece injection molding.

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