A filter element for an air purifier

Abstract

This invention provides a filter element for an air purifier, comprising filter paper and a frame. The filter paper is installed inside the frame. A perforated structure is provided on the surface of the frame opposite the filter paper, allowing the filter element to connect to the outside of the frame. A vertical groove is provided on the side of the frame, penetrating the top surface of the frame. The groove on the outer surface of the filter element provided by this invention avoids protruding structures inside the air purifier cavity, thereby maximizing the external dimensions of the filter element, improving the utilization rate of the internal space of the air purifier, and increasing filtration efficiency.

Description

Technical Field

[0001] This utility model relates to the field of filter elements, specifically to a filter element for an air purifier. Background Technology

[0002] Air purifiers require the installation of filters. The cavity for installing the filter has a protruding structure that serves as an isolation structure for the internal wiring (such as power cords and signal lines). See [link / description]. Figure 3 Existing technologies typically design filter elements to be a complete cylinder. For example, the air purifier filter element disclosed in CN 218001803 U is a complete cylinder. In order to avoid interference with protruding structures, the external dimensions of the filter element must be sacrificed. The outer diameter of the filter element is designed to be smaller, which results in a large amount of wasted space between the outer surface of the filter element and the inner wall of the cavity in which the filter element is installed. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a filter element for an air purifier, reducing the problem of wasted internal space in the air purifier.

[0004] To achieve the above objectives, this utility model is implemented through the following technical solution: This utility model provides a filter element for an air purifier, including filter paper and a frame. The filter paper is installed inside the frame. The frame surface has a hollow structure facing the filter paper, which allows the filter element to connect to the outside of the frame. The side of the frame has a vertical groove that penetrates the top surface of the frame.

[0005] Furthermore, the frame includes an upper cover, a side support, and a lower cover. The side support is a hollow structure with a perforated surface. The filter paper is located inside the side support. The upper cover and the lower cover are respectively assembled at the upper and lower ends of the side support to confine the filter paper.

[0006] Furthermore, both the lower cover and the upper cover include a base plate, a first rib and a second rib. The first rib and the second rib are formed by the base plate protruding from the side near the side support. The first rib surrounds the outside of the second rib. The end of the side support is inserted between the first rib and the second rib and forms an interference fit with the first rib. The end of the filter paper is inserted between the side support and the second rib.

[0007] Furthermore, a vertical first U-shaped groove is formed by the inward indentation of the side of the side bracket, which runs through the upper and lower ends of the side bracket. A second U-shaped groove is formed on the side of the top cover, which runs through the top surface of the top cover and connects with the first U-shaped groove.

[0008] Furthermore, the side support includes the groove wall of the first U-shaped groove and an arc-shaped mesh plate. The two ends of the arc-shaped mesh plate are connected to the groove wall of the first U-shaped groove. The filter paper is arc-shaped, and the two ends of the filter paper are broken at the positions corresponding to the first U-shaped groove to form notches for making way for the first U-shaped groove. The filter paper is in contact with the arc-shaped mesh plate.

[0009] Furthermore, the filter paper is arc-shaped, and both ends of the filter paper are broken at the corresponding positions of the first U-shaped groove to form notches for making way for the second side plate, the third side plate and the fourth side plate, and the filter paper is attached to the first side plate.

[0010] This utility model has the following beneficial effects: The filter element provided by this utility model has a groove on its outer surface to avoid protruding structures inside the air purifier cavity, thereby maximizing the external size of the filter element, improving the utilization rate of the internal space of the air purifier, and increasing the filtration efficiency. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the filter element according to an embodiment of the present invention; Figure 2 yes Figure 1 An exploded view of the filter element; Figure 3 yes Figure 1 A diagram showing the filter element installed on an air purifier. Detailed Implementation

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0013] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model 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. Therefore, they should not be construed as limitations on this utility model.

[0014] like Figures 1 to 2 As shown, this embodiment discloses a filter element for an air purifier, including filter paper 8 and a frame. The filter paper 8 is installed inside the frame. The surface of the frame has a perforated structure facing the filter paper 8, allowing the filter element to connect to the outside of the frame. A vertical groove 7 is provided on the side of the frame, penetrating the top surface of the frame. The groove 7 is designed to avoid protruding structures inside the air purifier.

[0015] In the specific structure, the frame includes an upper cover 1, a side support 2 and a lower cover 3. The side support 2 is a hollow structure with a perforated surface. The filter paper 8 is located inside the side support 2. The upper cover 1 and the lower cover 3 are respectively assembled at the upper and lower ends of the side support 2 to restrict the filter paper 8.

[0016] Both the lower cover 3 and the upper cover 1 include a base plate 4, a first rib 6, and a second rib 5. The first rib 6 and the second rib 5 are formed by the base plate 4 protruding from the side near the side support 2. The first rib 6 surrounds the outside of the second rib 5. The end of the side support 2 is inserted between the first rib 6 and the second rib 5 and forms an interference fit with the first rib 6 (the shape of the first rib 6 is consistent with the outer contour shape of the end of the side support 2). The end of the filter paper 8 is inserted between the side support 2 and the second rib 5. That is to say, the first rib 6 of the upper cover 1 and the first rib 6 of the lower cover 3 form an interference fit with the upper and lower ends of the side support 2, thereby fixing the upper cover 1 and the lower cover 3 to the two ends of the side support 2 (the upper cover 1 and the lower cover 3 are respectively fitted onto the upper and lower ends of the side support 2 by the first rib 6). The upper cover 1 and the lower cover 3 prevent the filter paper 8 from moving up and down, and the side support 2 and the second rib 5 prevent the filter paper 8 from moving horizontally.

[0017] The side of the side bracket 2 is recessed to form a vertical first U-shaped groove 9, which passes through the upper and lower ends of the side bracket 2. The side of the top cover 1 forms a second U-shaped groove 10, which passes through the top surface of the top cover 1 and connects with the first U-shaped groove 9.

[0018] The side support 2 includes the groove wall of the first U-shaped groove 9 and an arc-shaped mesh plate. The two ends of the arc-shaped mesh plate are connected to the groove wall of the first U-shaped groove 9. The filter paper 8 is arc-shaped, and its two ends are broken at positions corresponding to the first U-shaped groove 9 to form notches for the first U-shaped groove 9. The filter paper 8 fits into the arc-shaped mesh plate, thereby achieving the maximum outer diameter.

[0019] The shape of the first rib 6 is the same as the cross-sectional shape of the side bracket 2. In this embodiment, the first rib 6 is a cylinder with a groove 7 on its side. In other embodiments, the outer contour of the side bracket 2 can take other shapes, such as a square, and the shape of the first rib 6 will change accordingly. In other embodiments, the first rib 6 can also be replaced by multiple discontinuous ribs or protrusions.

[0020] In this embodiment, the second rib 5 is cylindrical, and its shape matches the internal contour of the filter paper 8. As the shape of the filter paper 8 changes, the second rib 5 changes accordingly. In other embodiments, the second rib 5 can also be replaced by multiple discontinuous arc-shaped ribs or protrusions.

[0021] This filter has a simple shape and structure. The clever groove 7 structure avoids the protruding structure inside the air purifier. With this structure, the size of the filter is not limited by the protruding structure. The size of the filter can fit the inside of the air purifier. Figure 3 This is a schematic diagram of the filter element assembled with the air purifier. As you can see, the filter element fits snugly against the inside of the air purifier's outer shell, maximizing the filter element's external dimensions. This maximizes the use of the limited internal space of the air purifier and greatly improves its filtration efficiency.

[0022] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. These modifications or substitutions do not cause the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model. Therefore, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

Claims

1. A filter cartridge of an air cleaner, characterized by, It includes filter paper and frame. The filter paper is installed inside the frame. The frame surface has a perforated structure facing the filter paper. The perforated structure allows the filter element to connect to the outside of the frame. The frame side has a vertical groove that runs through the top surface of the frame.

2. The filter element of the air purifier according to claim 1, characterized in that, The frame includes an upper cover, a side support, and a lower cover. The side support is a hollow structure with a perforated surface. The filter paper is located inside the side support. The upper and lower covers are assembled at the upper and lower ends of the side support, respectively, to confine the filter paper.

3. The filter element of the air purifier according to claim 2, characterized in that, Both the lower cover and the upper cover include a base plate, a first rib and a second rib. The first rib and the second rib are formed by the base plate protruding from the side near the side support. The first rib surrounds the outside of the second rib. The end of the side support is inserted between the first rib and the second rib and forms an interference fit with the first rib. The end of the filter paper is inserted between the side support and the second rib.

4. The filter element of the air purifier according to claim 3, characterized in that, The side of the side bracket is recessed to form a vertical first U-shaped groove, which runs through the upper and lower ends of the side bracket. The side of the top cover forms a second U-shaped groove, which runs through the top surface of the top cover and connects with the first U-shaped groove.

5. The filter element of the air purifier according to claim 4, characterized in that, The side support includes the groove wall of the first U-shaped groove and the arc-shaped mesh plate. The two ends of the arc-shaped mesh plate are connected to the groove wall of the first U-shaped groove. The filter paper is arc-shaped and its two ends are broken at the positions corresponding to the first U-shaped groove to form notches for making way for the first U-shaped groove. The filter paper is attached to the arc-shaped mesh plate.

6. The filter element of the air purifier according to claim 5, characterized in that, The filter paper is arc-shaped, and its two ends are broken at the corresponding positions of the first U-shaped groove to form notches for the second, third and fourth side plates. The filter paper is attached to the first side plate.

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