CN219063672U - Air purifier composite filter screen - Google Patents

Abstract

The utility model discloses a composite filter screen of an air purifier, which belongs to the technical field of filter screens, and adopts the main technical scheme that: a mounting frame; the filter screen piece, the filter screen piece is installed on the installing frame, the filter screen piece is provided with a plurality of, every all be provided with a plurality of raised surface on the filter screen piece, a plurality of the filter screen piece overlaps each other and arranges, the filter screen piece is rectangular shape structure, a plurality of raised surface is followed the length direction arrangement of filter screen piece, adjacent two the protruding direction of raised surface is opposite, adjacent two the raised surface forms "S" shape structure. This application can increase the area of contact of air current and filter face in limited space through using a plurality of filter screen pieces of overlapping range to improve filterable validity, improve filter effect, extension filter equipment's filtration life.

Description

Air purifier composite filter screen

Technical Field

The utility model relates to the technical field of filter screens, in particular to a composite filter screen of an air purifier.

Background

The air purifier is also called as an air cleaner, an air freshener and a purifier, and refers to a product which can adsorb, decompose or convert various air pollutants (generally including PM2.5, dust, pollen, peculiar smell, decoration pollution such as formaldehyde, bacteria, allergen and the like) and effectively improve the air cleanliness. The filter screen is the most important component in the air purifier.

In the prior art, a filter screen purifies air by means of adsorption, screening, catalysis, chemical reaction and the like, and in order to remove harmful gases such as formaldehyde in the air, a reaction substance capable of reacting with the substances is generally attached to the filter screen through a processing technology, but the existing filter screen in the market at present has the following defects: the existing filter screen mainly adopts a plane vertical filter structure, air vertically passes through the surface of the filter screen, the contact time of the air and the filter screen is short, the area is small, the filter effect is relatively low in the purification process, and the service life is relatively short.

In view of this, improvements to existing screen designs are needed.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the composite filter screen of the air purifier, which can increase the contact area of air flow and filter disc reaction substances so as to improve the purifying effect.

The utility model discloses a composite filter screen of an air purifier, which comprises the following components: a mounting frame; the filter screen piece, the filter screen piece is installed on the installing frame, the filter screen piece is provided with a plurality of, every all be provided with a plurality of raised surface on the filter screen piece, a plurality of the filter screen piece overlaps each other and arranges.

Preferably, the filter screen is in a strip structure, and the plurality of convex surfaces are arranged along the length direction of the filter screen.

Preferably, the protruding directions of two adjacent protruding surfaces are opposite, and the two adjacent protruding surfaces form an S-shaped structure.

Preferably, the mounting frame comprises an end frame and a side frame, the end frame is connected with the side frame, a filter disc groove is formed in the end frame, and the filter disc is connected in the filter disc groove.

Preferably, the mounting frame is provided with a HEPA filter screen, the end frame is provided with a mounting groove, and the HEPA filter screen is connected in the mounting groove.

Preferably, a plurality of ridges are provided on the HEPA filter.

Preferably, the filter disc groove is provided with a convex position and a concave position, two ends of the filter disc are mounting ends, and the mounting ends are connected with the convex position or the concave position.

Preferably, the convex position is an arc-shaped bulge, the concave position is an arc-shaped concave structure, the mounting end is an arc-shaped sheet structure, and the mounting end is attached to the convex position or the concave position.

Preferably, the mounting end is provided with positioning protruding points, and the positioning protruding points of the filter screen sheet are embedded into the positioning protruding points of the adjacent filter screen sheets.

Preferably, in each filter screen sheet, one of the mounting ends is provided with one positioning convex point, and the other mounting end is provided with two positioning convex points.

The beneficial effects of this application lie in:

the air filter screen is formed by mutually overlapping and arranging the filter screen sheets, and when air passes through the filter screen sheets, the contact area between air flow and a filter surface can be increased by the overlapped filter screen sheets in a limited space, so that the effectiveness of filtration is improved, the filtration effect is improved, and the filtration service life of the filter device is prolonged; the HEPA filter screen is used for filtering particle dust and various suspended matters in the air, and further improves the filtering effect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of an explosive structure of the present utility model with a screen sheet hidden;

fig. 4 is a schematic structural view of a filter sheet.

Reference numerals illustrate: 1. a mounting frame; 11. an end frame; 111. a filter disc groove; 1111. a convex position; 1112. a concave position; 112. a mounting groove; 113. a clamping shoulder; 12. a side frame; 121. a baffle; 122. a connecting plate; 1221. a protruding portion; 2. a filter screen sheet; 21. a mounting end; 211. positioning the salient points; 22. a convex surface; 3. HEPA filter screen; 31. a ridge.

Detailed Description

Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the sake of simplicity of the drawing, some well-known and conventional structures and elements are shown in the drawings in a simplified schematic manner.

It should be noted that all directional indications such as up, down, left, right, front, and rear … … in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture such as that shown in the drawings, and if the particular posture is changed, the directional indication is changed accordingly.

In addition, the descriptions of the "first", "second", etc. in this application are for descriptive purposes only and are not intended to specifically indicate a sequential or a cis-position, nor are they intended to limit the utility model, but are merely intended to distinguish between components or operations described in the same technical term, and are not to be construed as indicating or implying a relative importance or implying that the number of technical features indicated is not necessarily limited. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings in which:

referring to fig. 1-4, the composite filter screen of the air purifier disclosed by the utility model comprises a mounting frame 1, a filter screen sheet 2 and a HEPA filter screen 3, wherein the mounting frame 1 comprises two end frames 11 and two side frames 12, the end frames 11 and the side frames 12 are mutually connected to form the mounting frame 1 with a rectangular structure, the end frames 11 are of a strip-shaped block structure, the surfaces of the end frames 11 are all planes, filter disc grooves 111 and mounting grooves 112 are arranged on one side surface of the end frames 11, the filter disc grooves 111 and the mounting grooves 112 are strip-shaped grooves and extend along the length direction of the end frames 11, the filter disc grooves 111 and the mounting grooves 112 are mutually parallel, a space is arranged between the filter disc grooves 111 and the mounting grooves 112, two ends of the filter disc grooves 111 are respectively provided with a convex position 1111 and a concave position 1112, the convex position 1111 is an arc-shaped protrusion, and the concave position 1112 is an arc-shaped recess for being matched with the filter screen sheet 2; the two ends of the end frame 11 are provided with the clamping shoulders 113, each end of the end frame 11 is provided with two clamping shoulders 113, the clamping shoulders 113 are of a step-shaped structure, and the clamping shoulders 113 are used for being matched with the side frames 12 so as to realize connection of the end frame 11 and the side frames 12.

Referring to fig. 1-4, the side frame 12 includes a baffle 121 and two connecting plates 122, the baffle 121 and the connecting plates 122 are elongated plates, the two connecting plates 122 are integrally connected to two opposite long edges of the baffle 121, the connecting plates 122 are perpendicular to the baffle 121, two ends of the connecting plates 122 extend out from the end of the baffle 121 to form protruding parts 1221, the protruding parts 1221 are connected to the clamping shoulders 113 of the end frame 11, and the protruding parts 1221 are in interference fit with the clamping shoulders 113 of the end frame 11, so that the end frame 11 and the side frame 12 can form a firm whole, and the firmness of the device is ensured.

Referring to fig. 1 to 4, the filter screen sheet 2 has a strip structure, two ends of the filter screen sheet 2 have sheet-shaped mounting ends 21, and the mounting ends 21 are arc-shaped sheets; the middle part of filter screen piece 2 is provided with a plurality of raised surface 22, a plurality of raised surface 22 are arranged in succession along the length direction of filter screen piece 2, and the protruding direction of two adjacent raised surface 22 is "S" shape in opposite directions for whole filter screen piece 2 forms a wavy structure, and filter screen piece 2 is attached with the reaction substance that is used for purifying the air through technology treatment, and when the outside air of machine passes through, substances such as formaldehyde can react with the substance on the filter screen piece 2, decomposes into harmless substances to reach the effect of air-purifying, when filtering the air, wavy filter screen piece 2 is favorable to improving filter area, thereby improves the effect of filtering.

Referring to fig. 1 to 4, each of the mounting ends 21 of the filter screen sheets 2 is provided with a positioning protruding point 211, one of the mounting ends 21 is provided with one of the positioning protruding points 211, the other mounting end 21 is provided with two of the positioning protruding points 211, a plurality of the filter screen sheets 2 are arranged in the mounting frame 1, the filter screen sheets 2 are overlapped and continuously arranged, the positioning protruding points 211 of the filter screen sheets 2 are embedded into the positioning protruding points 211 of the adjacent filter screen sheets 2, gaps can be formed between the adjacent filter screen sheets 2 by the positioning protruding points 211, so that air can pass through the gaps of the filter screen sheets 2 to achieve the filtering purpose, the mounting ends 21 of the filter screen sheets 2 are inserted into the filter disc grooves 111 of the end frame 11, the mounting ends 21 of the two filter screen sheets 2 positioned at the front and the tail are respectively attached to the protruding points 1111 and the concave points 1112 of the filter disc grooves 111, so that the filter screen sheets 2 can be firmly arranged in the mounting frame 1 in a pressing manner, and the filtering effectiveness is ensured.

Referring to fig. 1-4, the HEPA filter screen 3 is of a wavy plate structure, and is integrally rectangular, and two ends of the HEPA filter screen 3 are respectively inserted into two mounting grooves 112 of two end frames 11, so that the HEPA filter screen 3 can be firmly connected with the mounting frame 1, a plurality of ridges 31 are formed on the surface of the HEPA filter screen 3, the area of the HEPA filter screen 3 is favorably improved, and the HEPA filter screen is used for filtering particle dust and various suspended matters in air, so that the cleanliness of the air is ensured.

The implementation principle and the beneficial effects of the utility model are that the air filter screen is formed by mutually overlapping and arranging the filter screen sheets 2, when air passes through the filter screen sheets 2, the contact area between air flow and a filter surface can be increased by the overlapped and arranged filter screen sheets 2 in a limited space, thus improving the effectiveness of filtration, improving the filtration effect and prolonging the filtration life of the filter device; the HEPA screen 3 is used for filtering particulate dust and various suspended matters in the air, further improving the filtering effect.

The above are merely embodiments of the present utility model, and are not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present utility model, should be included in the scope of the claims of the present utility model.

Claims (10)

1. An air purifier composite filter screen, characterized by comprising:

a mounting frame (1);

filter screen piece (2), filter screen piece (2) are installed on installing frame (1), filter screen piece (2) are provided with a plurality ofly, every all be provided with a plurality of raised surface (22) on filter screen piece (2), a plurality of filter screen piece (2) overlap each other and arrange.

2. The air purifier composite filter screen according to claim 1, wherein the filter screen sheet (2) has a strip-shaped structure, and a plurality of the convex surfaces (22) are arranged in a line along the length direction of the filter screen sheet (2).

3. The composite filter screen of claim 2, wherein the protruding directions of two adjacent protruding surfaces (22) are opposite, and the two adjacent protruding surfaces (22) form an S-shaped structure.

4. The air purifier composite filter screen according to claim 3, wherein the mounting frame (1) comprises an end frame (11) and a side frame (12), the end frame (11) is connected with the side frame (12), a filter disc groove (111) is formed in the end frame (11), and the filter screen (2) is connected in the filter disc groove (111).

5. The composite filter screen of claim 4, wherein the HEPA filter screen (3) is installed on the installation frame (1), the installation groove (112) is formed in the end frame (11), and the HEPA filter screen (3) is connected in the installation groove (112).

6. An air cleaner composite filter according to claim 5, wherein the HEPA filter (3) is provided with a plurality of ridges (31).

7. The composite filter screen of any one of claims 4 to 6, wherein the filter sheet groove (111) is provided with a convex position (1111) and a concave position (1112), two ends of the filter sheet (2) are mounting ends (21), and the mounting ends (21) are connected with the convex position (1111) or the concave position (1112).

8. The composite filter screen of claim 7, wherein the convex portion (1111) is an arc-shaped protrusion, the concave portion (1112) is an arc-shaped concave structure, the mounting end (21) is an arc-shaped sheet structure, and the mounting end (21) is attached to the convex portion (1111) or the concave portion (1112).

9. The air purifier composite filter screen according to claim 7, wherein a positioning salient point (211) is arranged on the mounting end (21), and the positioning salient point (211) of the filter screen sheet (2) is embedded into the positioning salient point (211) of the adjacent filter screen sheet (2).

10. An air cleaner composite filter according to claim 9, wherein in each filter sheet (2), one of the mounting ends (21) is provided with one of the positioning bumps (211), and the other mounting end (21) is provided with two of the positioning bumps (211).

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