CN221084956U

CN221084956U - Primary filter

Info

Publication number: CN221084956U
Application number: CN202322786408.3U
Authority: CN
Inventors: 李家成
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-10-18
Filing date: 2023-10-18
Publication date: 2024-06-07
Anticipated expiration: 2033-10-18

Abstract

The application discloses a primary filter, which relates to the technical field of filters and comprises a frame body structure and a filter element structure, wherein the filter element structure is arranged in the frame body structure. The primary filter has high structural stability, the filter element structure in the frame body structure is wave-shaped, the filtering area is large, the filtering effect of the primary filter is improved, and dust and bacteria in air can be effectively filtered.

Description

Primary filter

Technical Field

The application relates to the technical field of filters, in particular to a primary filter.

Background

Along with the development of industrialization, people attach more and more importance to air quality, public places such as large markets, supermarkets, hospitals, production workshops and exhibition centers belong to public places with relatively dense personnel, the poor air quality can directly threaten the physical health of people, a large amount of fresh air is required to be supplied, in the process of conveying the fresh air, the general places at least need to be filtered through primary and medium efficiency, dust in the air is intercepted through air filtration, and the spread of bacteria and viruses is blocked, so that the physical health of the personnel is ensured.

In the prior art, the patent of the utility model with the bulletin number of CN212467460U discloses an antibacterial and antiviral primary filter, which comprises a fixed frame, wherein a supporting layer is arranged in the fixed frame, and an antibacterial and antiviral filter layer is arranged on the supporting layer; the supporting layer is used for supporting the antibacterial and antiviral filter layer, the antibacterial and antiviral filter layer is a nano-plated antibacterial and antiviral microporous membrane, and the antibacterial and antiviral filter layer is used for adsorbing and killing microorganisms such as bacteria and viruses in the air.

In the above-mentioned technique, because the filtration area of the single-layer filter element structure is smaller, the filtration effect of the primary filter is poor. Based on this, we propose a new type of primary filter.

Disclosure of utility model

In order to solve the problems in the prior art, the application provides a primary filter.

In order to achieve the above purpose, the present application adopts the following technical scheme:

The utility model provides a primary filter, includes framework structure and filter core structure, filter core structure installs in the framework structure, the framework structure is for being provided with primary and secondary frame, primary and secondary frame and the inside casing looks adaptation of framework structure, primary and secondary frame includes female support body and primary and secondary support body, female support body and secondary support body are located the both sides of filter core structure, female support body and secondary support body cooperation presss from both sides the filter core structure into the wave form, the edge adhesion of filter core structure is at the inside casing of framework structure.

According to the technical scheme, a sleeve edge is formed at the edge of the filter element structure and is used for being sleeved on the female frame body.

According to a further technical scheme, the filter element structure comprises filter cotton and non-woven fabrics positioned on two sides of the filter cotton.

According to a further technical scheme, melt-blown cloth is arranged between the filter cotton and the non-woven fabric.

According to the further technical scheme, the thickness of the filter element structure is 10mm.

According to the technical scheme, the frame body structure comprises four side plates and four plastic corners, the four side plates enclose a rectangular frame, the plastic corners are used for connecting the end parts of the two side plates, and the plastic corners are connected with the side plates through screws or rivets.

According to the technical scheme, the cross section of the side plate is of an H-shaped structure, the plastic corner comprises a connecting block and an inserting plate which are integrally formed, the connecting block is matched with the end part of the side plate, the inserting plate is inserted into an outer groove of the side plate, the connecting block is provided with an inner cavity, and the inner cavity is matched with an inner groove of the side plate.

According to the further technical scheme, the outer side face of the plugboard is arranged coplanar with the surface of the connecting block, and the thickness of the plugboard is equal to the depth of the outer groove of the side plate.

Compared with the prior art, the application has the following beneficial effects:

The primary filter has high structural stability, the filter element structure in the frame body structure is wave-shaped, the filtering area is large, the filtering effect of the primary filter is improved, and dust and bacteria in air can be effectively filtered.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic structural view of a filter element according to an embodiment of the present application;

FIG. 3 is a schematic layer structure of a filter element structure according to an embodiment of the present application;

FIG. 4 is a schematic diagram of a mother frame according to an embodiment of the present application;

FIG. 5 is a schematic view of a frame structure according to an embodiment of the present application;

FIG. 6 is a schematic view illustrating the connection of the plastic corner and the side plate according to the embodiment of the present application;

FIG. 7 is a schematic view of another embodiment of a frame structure according to the present application;

Fig. 8 and 9 are schematic structural views of other embodiments of the frame structure according to the embodiment of the present application.

Reference numerals in the drawings:

1. A frame structure; 11. a side plate; 12. molding the corners; 121. a connecting block; 122. inserting plate; 2. a filter element structure; 21. filtering cotton; 22. a nonwoven fabric; 23. melt-blowing the cloth; 3. a primary and secondary frame; 31. a female frame body; 32. a sub-frame body; 4. and (5) sleeving edges.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

The application provides a primary filter.

As shown in fig. 1 to 6, the primary filter includes a frame structure 1, a filter element structure 2, and a primary-secondary frame 3. Specifically, primary and secondary frame 3 is as the support, supports filter core structure 2, and filter core structure 2 is the wave form on primary and secondary frame 3, and primary and secondary frame 3 and the inside casing adaptation of framework structure 1, primary and secondary frame 3 install in the framework structure 1, and filter core structure 2 is fixed through glue bonding with the inside casing of framework structure 1, forms stable initial filter structure.

In this embodiment, primary and secondary frame 3 includes female support body 31 and secondary support body 32, and female support body 31 includes two bracing pieces and a plurality of C type branch that set up in parallel, and bracing piece and C type branch are stainless steel pole, and C type branch evenly welds the inboard at the bracing piece. The bracing piece is used for pressing filter core structure 2 on the inside casing of framework structure 1 to and the C branch that is located the bracing piece both ends presses filter core structure 2 on the inside casing of framework structure 1, realizes the fixed to filter core structure 2 four sides. The sub-frame body 32 and the main frame body 31 have the same structure, the sub-frame body 32 is used for being matched with the main frame body 31, the main frame body 31 and the sub-frame body 32 are positioned on two sides of the filter element structure 2, and the main frame body 31 and the sub-frame body 32 are mutually matched to clamp the filter element structure 2 into a wave shape.

The wave-shaped filter element structure 2 in the embodiment increases the filtering area and improves the filtering efficiency; the arrangement of the primary and secondary frames 3 ensures the stability of the filter element structure 2.

In order to facilitate the connection of the filter element structure 2 and the primary and secondary frame 3, a sleeve edge 4 is formed at the edge of the filter element structure 2, so that the filter element structure 2 is a sleeve body structure and is used for being sleeved on the primary frame 31. After the main frame body 31 is installed in the filter element structure 2, the filter element structure 2 is pressed into a wave shape through the cooperation of the sub frame body 32 and the main frame body 31, and finally, the sub frame 3 is installed in the frame body structure 1.

In this embodiment, the filter element structure 2 is a layer structure, which includes a filter cotton 21 and non-woven fabrics 22 located at two sides of the filter cotton 21, and the non-woven fabrics 22 are compounded on the filter cotton 21. The filter element structure 2 is soaked by sterilizing liquid medicine, so that the filter element structure 2 has the function of filtering bacteria. In order to ensure the filtering effect of the filter element structure 2, the thickness of the filter element structure 2 is about 10mm.

In one possible embodiment, the filter element structure 2 further comprises a meltblown web 23, the meltblown web 23 being located between the filter cotton 21 and the nonwoven 22.

In this embodiment, the frame structure 1 includes four side plates 11 and four plastic corners 12, the four side plates 11 may be of equal length, or may be of two-long-two-short structure, so that the four side plates 11 enclose a rectangular frame, the four plastic corners 12 are located at four corners of the rectangular frame and are respectively used for connecting the ends of the two side plates 11, and the plastic corners 12 are connected with the side plates 11 by screws or rivets.

Preferably, the section of the side plate 11 is of an H-shaped structure, the plastic corner 12 comprises a connecting block 121 and an inserting plate 122 which are integrally formed, the connecting block 121 is matched with the end part of the side plate 11, the inserting plate 122 is inserted into an outer groove of the side plate 11, the connecting block 121 is provided with an inner cavity, and the inner cavity is matched with an inner groove of the side plate 11. The outer side surface of the insert plate 122 is arranged coplanar with the surface of the connection block 121, and the thickness of the insert plate 122 is equal to the depth of the outer groove of the side plate 11.

As shown in fig. 7, in one possible embodiment, the frame structure 1 may also be configured as a rectangular ring frame, and cover structures are disposed on two sides of the rectangular ring frame, where the cover structures are used to fix the primary and secondary frames 3 with the filter element structure 2 in the rectangular ring frame. One cover plate can be integrally arranged with the rectangular ring frame, and the other cover plate and the rectangular ring frame can be detachably and fixedly arranged; of course, both cover plates can be detachably and fixedly arranged with the rectangular ring frame, as shown in fig. 7.

As shown in fig. 8, in one possible embodiment, the frame structure 1 may include two identical L-shaped channel plates, and the two L-shaped channel plates are assembled into the rectangular frame structure 1, and the two L-shaped channel plates are detachably and fixedly connected.

As shown in fig. 9, in one possible embodiment, the frame structure 1 may include a U-shaped channel plate and a sealing plate detachably fixed to a port of the U-shaped channel plate.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a primary filter, includes framework structure (1) and filter core structure (2), filter core structure (2) are installed in framework structure (1), a serial communication port, framework structure (1) is for being provided with primary and secondary frame (3), primary and secondary frame (3) and the inside casing looks adaptation of framework structure (1), primary and secondary frame (3) include female support body (31) and secondary support body (32), female support body (31) and secondary support body (32) are located the both sides of filter core structure (2), primary and secondary support body (31) and secondary support body (32) cooperate to press from both sides filter core structure (2) into wavy, the edge adhesion of filter core structure (2) is at the inside casing of framework structure (1).

2. A primary filter according to claim 1, characterized in that the edge of the filter element structure (2) is formed with a collar (4), the collar (4) being adapted to fit over the female frame body (31).

3. A primary filter according to claim 2, characterized in that the filter element structure (2) comprises filter cotton (21) and non-woven fabrics (22) on both sides of the filter cotton (21).

4. A primary filter according to claim 3, characterized in that a meltblown cloth (23) is arranged between the filter cotton (21) and the nonwoven fabric (22).

5. A primary filter according to claim 3 or 4, characterized in that the filter element structure (2) has a thickness of 10mm.

6. A primary filter according to claim 1, characterized in that the frame structure (1) comprises four side plates (11) and four plastic corners (12), the four side plates (11) enclose a rectangular frame, the plastic corners (12) are used for connecting the ends of the two side plates (11), and the plastic corners (12) are connected with the side plates (11) by screws or rivets.

7. The primary filter according to claim 6, wherein the cross section of the side plate (11) is of an H-shaped structure, the plastic corner (12) comprises a connecting block (121) and an inserting plate (122) which are integrally formed, the connecting block (121) is adapted to the end of the side plate (11), the inserting plate (122) is inserted into the outer groove of the side plate (11), and the connecting block (121) is provided with an inner cavity which is adapted to the inner groove of the side plate (11).

8. A primary filter according to claim 7, characterized in that the outer side of the insert plate (122) is arranged coplanar with the surface of the connection block (121), the thickness of the insert plate (122) being equal to the depth of the outer groove of the side plate (11).