Air filter purification filter element with external reinforcer

Abstract

The utility model discloses an air filter purification filter element with an external reinforcer, which relates to the technical field of filter elements and comprises a bottom plate and a lower fixing bump, the lower fixing bump is positioned at the top of the bottom plate, and two mutually aligned openings are formed in the lower fixing bump and the bottom plate; lower mounting grooves are formed in the lower fixing protruding blocks, the lower mounting grooves are distributed in the lower fixing protruding blocks in a tooth ring shape, an outer supporting structure is arranged at the top of the bottom plate and provided with supporting rods, the four supporting rods are distributed in a central symmetry mode, and a plurality of supporting rods distributed at equal intervals are fixedly connected to the two sides of each supporting rod. An outer supporting structure is arranged, a cage-shaped structure is constructed through a plurality of supporting rods, supporting rings and protection piece assemblies, the structure is arranged on the outer side of the filter screen, the main purpose is to conduct all-directional protection on the outer side of the filter screen, and through the protection mechanism, the device can be effectively prevented from damaging the filter screen when located in an external object in a non-working environment.

Description

Technical Field

[0001] The utility model relates to the technical field of filter elements, in particular to an air filter purification filter element with an external reinforcement piece. Background Art

[0002] The filter element of the air filter, as its core component, bears the important responsibility of filtering the air. This filter element is carefully made of specific materials and is designed to efficiently remove various impurities and pollutants in the air. These pollutants include but are not limited to dust, pollen, bacteria, viruses, allergens, and harmful gases;

[0003] For example, an air filter element with publication number CN207356783U comprises a filter screen and two covers arranged at both ends of the filter screen, wherein the filter screen is folded into a wave shape, and mounting grooves for inserting the filter screen are provided on the end surfaces of the two covers facing the filter screen. The key point of the technical solution is that the filter screen is folded into a wave shape, so that the contact area between the filter screen and the air is increased under the same volume, and the air filter element provides a larger filtering area and a high filtering efficiency;

[0004] The above-mentioned comparative document increases the contact area between the filter and the air by folding the filter into a wave shape, thereby improving the filtration efficiency. In the prior art, the filter inside the filter element is usually made of flexible material, which is relatively fragile. If it is not properly protected and maintained, it is very easy to cause damage to the filter, which in turn has an adverse effect on the filtration effect of the filter element. Utility Model Content

[0005] The utility model aims to provide an air filter purification filter element with an external reinforcement member to solve the problem of damage to the filter screen in the above-mentioned background technology, thereby causing adverse effects on the filtering effect of the filter element.

[0006] To achieve the above object, the utility model provides the following technical solution: an air filter purification filter element with an external reinforcement, comprising a bottom plate and a lower fixed protrusion, wherein the lower fixed protrusion is located on the top of the bottom plate, and two openings aligned with each other are provided in the lower fixed protrusion and the bottom plate;

[0007] A lower mounting groove is provided inside the lower fixed protrusion, and the lower mounting groove is distributed inside the lower fixed protrusion in a toothed ring shape, an external support structure is provided on the top of the bottom plate, and the external support structure is provided with a support rod, and the support rod is provided with four support rods that are symmetrically distributed in the center, and multiple support rods that are equidistantly distributed are fixedly connected on both sides of the support rod, and multiple protective sheets that are symmetrically distributed in the center are fixedly connected between each support ring;

[0008] An inner supporting structure is arranged on the top of the supporting rod.

[0009] Furthermore, a fixing hole is provided at the top of the support rod, the protective sheet is provided with multiple layers, and the protective sheet layer located at the bottom is fixedly connected to the top side of the base plate.

[0010] Furthermore, the inner support structure is provided with a top plate, and an upper fixed protrusion is fixedly connected to the bottom of the top plate, an upper mounting groove is provided inside the upper fixed protrusion, and the upper mounting groove is distributed in a toothed ring shape inside the upper fixed protrusion, and four connecting holes distributed symmetrically with the center are provided inside the top plate.

[0011] Furthermore, an opening is provided in the middle of the top plate, and the opening is aligned with the opening inside the bottom plate, and an inner support net is fixedly connected to the inside of the opening, and the inner support net is provided with a plurality of through holes evenly distributed inside.

[0012] Furthermore, the top plate, the support ring and the bottom plate form a device housing of a frame structure.

[0013] Furthermore, a filter screen is snap-connected between the upper mounting groove and the lower mounting groove, and the inner side and the outer side of the filter element are isolated from each other by the upper mounting groove and the lower mounting groove.

[0014] Furthermore, a connecting rod is snap-connected to the inside of the top plate through a connecting hole, and a limiting ring is fixedly connected to the outer side of the lower end of the connecting rod, and the connecting rod is snap-connected to the inside of the fixing hole, and the limiting ring is made of elastic material.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The air filter purification filter element of the external reinforcement is provided with an external support structure, and a cage-like structure is constructed by using multiple support rods, support rings and protective sheet components. The structure is placed on the outside of the filter screen, and the main purpose is to provide all-round protection for the outside of the filter screen. Through this protection mechanism, it can effectively prevent the device from being damaged by external objects in a non-operating environment.

[0017] Furthermore, an inner support structure is provided, by installing the inner support net inside the filter screen and ensuring that the bottom of the inner support net is closely fitted with the inner side of the bottom plate, thereby constructing a hollow tubular structure including the top plate, the bottom plate, the inner support net and the above-mentioned cage-like structure, which not only realizes the internal installation of the filter screen assembly, but also provides all-round and no-dead-angle protection for it;

[0018] Furthermore, by installing the connecting rod inside the top plate and continuing to install it inside the fixing hole, since the limiting ring is made of flexible material, it can fit tightly and be fixed inside the fixing hole. At this time, the top plate is installed on the top of multiple support rods. At the same time, the upper mounting groove forms a snap fit with the top of the filter, which simplifies the installation process of the top plate and facilitates its disassembly. Due to the quick disassembly feature of the top plate, the filter can be quickly replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the support ring structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the internal support network structure of the utility model;

[0023] Figure 5 This is a schematic diagram of the filter structure of the utility model;

[0024] Figure 6 It is a schematic diagram of the cross-sectional structure of the fixing hole of the utility model.

[0025] In the figure: 1, bottom plate; 2, lower fixing protrusion; 3, lower mounting groove; 4, support rod; 5, support ring; 6, protective sheet; 7, fixing hole; 8, top plate; 9, upper fixing protrusion; 10, upper mounting groove; 11, connecting hole; 12, inner supporting net; 13, through hole; 14, connecting rod; 15, limit ring; 16, filter screen. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In a further preferred embodiment of the present invention, Figure 1 - Figure 3As shown, a lower mounting groove 3 is provided inside the lower fixed protrusion 2, and the lower mounting groove 3 is distributed in the shape of a toothed ring inside the lower fixed protrusion 2, an external support structure is provided on the top of the bottom plate 1, and a support rod 4 is provided on the external support structure, and the support rod 4 is provided with four centrally symmetrically distributed, and multiple equidistantly distributed support rods 4 are fixedly connected on both sides of the support rod 4, and multiple centrally symmetrically distributed protective sheets 6 are fixedly connected between each support ring 5; an internal support structure is provided on the top of the support rod 4; a fixing hole 7 is provided on the top of the support rod 4, and the protective sheet 6 is provided with multiple layers, and the protective sheet 6 is located at the bottom layer and is fixedly connected to the top side of the bottom plate 1;

[0028] A cage-like structure is constructed by using multiple support rods 4, support rings 5 ​​and protective sheets 6 components. The structure is placed on the outside of the filter 16. The main purpose is to provide all-round protection for the outside of the filter 16. Through this protection mechanism, it can effectively prevent the device from being damaged by external objects in a non-operating environment.

[0029] In a further preferred embodiment of the present invention, Figure 4 - Figure 5 As shown, the inner support structure is provided with a top plate 8, and an upper fixed protrusion 9 is fixedly connected to the bottom of the top plate 8, an upper mounting groove 10 is provided inside the upper fixed protrusion 9, and the upper mounting groove 10 is distributed inside the upper fixed protrusion 9 in a toothed ring shape, and four connecting holes 11 distributed symmetrically with the center are provided inside the top plate 8; an opening is provided in the middle of the top plate 8, and the opening is aligned with the opening inside the bottom plate 1, and an inner supporting net 12 is fixedly connected inside the opening, and the inner supporting net 12 is provided with a plurality of through holes 13 evenly divided inside; the top plate 8, the support ring 5 and the bottom plate 1 form an equipment shell of a frame structure; a filter screen 16 is snap-connected between the upper mounting groove 10 and the lower mounting groove 3, and the inner and outer sides of the filter element are isolated from each other by the upper mounting groove 10 and the lower mounting groove 3; a connecting rod 14 is snap-connected inside the top plate 8 through the connecting hole 11, and a limiting ring 15 is fixedly connected to the outer side of the lower end of the connecting rod 14, and the connecting rod 14 is snap-connected to the inside of the fixing hole 7, and the limiting ring 15 is set to an elastic material;

[0030] By installing the inner support net 12 into the interior of the filter screen 16 and ensuring that the bottom of the inner support net 12 is tightly fitted with the inner side of the bottom plate 1, a hollow tubular structure including the top plate 8, the bottom plate 1, the inner support net 12 and the above-mentioned cage-like structure is constructed. This structure not only realizes the internal installation of the filter screen 16 component, but also provides it with all-round, no-dead-angle protection. By installing the connecting rod 14 into the interior of the top plate 8 and continuing to install it into the interior of the fixing hole 7, since the limit ring 15 is made of flexible material, it can be tightly fitted and fixed inside the fixing hole 7. At this time, the top plate 8 is installed on the top of multiple support rods 4. At the same time, the upper mounting groove 10 is engaged with the top of the filter screen 16, which simplifies the installation process of the top plate 8 and also facilitates its disassembly. Due to the quick disassembly feature of the top plate 8, the filter screen 16 can be quickly replaced.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An air filter purification element with an external reinforcement, comprising a bottom plate (1) and a lower fixing protrusion (2), wherein the lower fixing protrusion (2) is located on the top of the bottom plate (1), and two openings aligned with each other are provided in the lower fixing protrusion (2) and the bottom plate (1); Features: A lower mounting groove (3) is provided inside the lower fixed protrusion (2), and the lower mounting groove (3) is distributed inside the lower fixed protrusion (2) in a toothed ring shape; an external support structure is provided on the top of the bottom plate (1); the external support structure is provided with a support rod (4), and the support rod (4) is provided with four support rods (4) distributed symmetrically with respect to the center; a plurality of support rods (4) distributed equidistantly are fixedly connected to both sides of the support rod (4), and a plurality of protective sheets (6) distributed symmetrically with respect to the center are fixedly connected between each support ring (5); An internal support structure is provided on the top of the support rod (4).

2. The air filter purification element with an external reinforcement according to claim 1, characterized in that: The top of the support rod (4) is provided with a fixing hole (7), the protective sheet (6) is provided with multiple layers, and the protective sheet (6) is located at the bottom layer and is fixedly connected to the top side of the bottom plate (1).

3. The air filter purification element with an external reinforcement according to claim 1, characterized in that: The inner support structure is provided with a top plate (8), and an upper fixed protrusion (9) is fixedly connected to the bottom of the top plate (8), an upper mounting groove (10) is provided inside the upper fixed protrusion (9), and the upper mounting groove (10) is distributed inside the upper fixed protrusion (9) in a toothed ring shape, and four connecting holes (11) are provided inside the top plate (8) and are distributed symmetrically with respect to the center.

4. The air filter purification element with an external reinforcement according to claim 3, characterized in that: An opening is provided in the middle of the top plate (8), and the opening is aligned with an opening inside the bottom plate (1), and an inner support net (12) is fixedly connected inside the opening, and the inner support net (12) is provided with a plurality of through holes (13) evenly distributed inside.

5. The air filter purification element with an external reinforcement according to claim 4, characterized in that: The top plate (8), the support ring (5) and the bottom plate (1) form a device housing of a frame structure.

6. The air filter purification element with an external reinforcement according to claim 3, characterized in that: A filter screen (16) is snap-fitted and connected between the upper mounting groove (10) and the lower mounting groove (3), and the inner side and the outer side of the filter element are isolated from each other by the upper mounting groove (10) and the lower mounting groove (3).

7. The air filter purification element with an external reinforcement according to claim 3, characterized in that: The top plate (8) is internally engaged with a connecting rod (14) via a connecting hole (11), and a limiting ring (15) is fixedly connected to the outer side of the lower end of the connecting rod (14), and the connecting rod (14) is engaged with the inside of the fixing hole (7), and the limiting ring (15) is made of an elastic material.

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