CN217312381U

CN217312381U - Foaming soft frame filter element

Info

Publication number: CN217312381U
Application number: CN202123448433.8U
Authority: CN
Inventors: 张武; 赵吉万
Original assignee: Dongguan Ag Filter Manufacturing Co ltd
Current assignee: Dongguan Ag Filter Manufacturing Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-30
Anticipated expiration: 2031-12-31

Abstract

The utility model belongs to the technical field of air purification, in particular to a foaming soft frame filter element, which comprises a filter element and a plurality of foaming material frame strips; the foamed material side frame strips are bonded on the edges of the filter element; during the installation, many foaming material frame strips on the periphery of filter core all with the inner wall butt of air purification equipment's filter core installation cavity and be in the extrusion state, because the foaming material frame strip has elasticity, the filter core can be crooked, when the installation, can avoid the inside part of car, the air-conditioning box assembly of packing into smoothly, after packing into, four foaming material frame strips and the inner wall zonulae occludens of filter core installation cavity, the clearance can not appear between the inner wall of foaming material frame strip and filter core installation cavity, the installation leakproofness is good, the air can only be followed the filter core and passed, guarantee that the dust in the air can be fully removed.

Description

Foaming soft frame filter element

Technical Field

The utility model belongs to the technical field of air purification, especially, relate to a soft frame filter core of foaming.

Background

An air filter element (also called as a filter) is a filter, which is called as an air filter cylinder, an air filter, a style and the like. The air filter is mainly used for filtering air in engineering locomotives, automobiles, agricultural locomotives, laboratories, sterile operation rooms and various precision operation rooms.

The existing air filter element comprises a filter screen and a frame strip bonded on four edges of the filter screen. Wherein, the material of frame strip is plastics, cardboard, cloth etc. usually, and the frame strip does not have elasticity, when installing air filter in air purification equipment's filter core installation cavity, because the frame strip does not have elasticity, appears the clearance easily between frame strip and the filter core installation position, causes the leakproofness not good, and dust passes from the clearance easily in the air, does not play the filter effect. In order to solve the above problems, sealing cotton is usually plugged between the frame strip and the filter element mounting position, which can achieve the effect of a front cover, but the installation is inconvenient and is not beneficial to the operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soft frame filter core foams, the frame strip that aims at solving among the prior art air filter core does not have elasticity, appears the clearance easily between frame strip and the filter core installation position, causes the leakproofness not good, and dust passes from the clearance easily in the air, does not play the technical problem of filtering action.

In order to achieve the above object, an embodiment of the present invention provides a filter element with a soft foam frame, which comprises a filter element and a foam frame; the periphery of the filter element is bonded with the foam material side frame strips, and the foam material side frame strips are disconnected or connected end to end.

Optionally, the filter element is polygonal, one or more foam material side frame strips are arranged, and the foam material side frame strips are bonded to the periphery of the filter element.

Optionally, the thickness of the foam frame strip is greater than or equal to 2 mm.

Optionally, the adjacent two adjacent foam material side frame strips are connected to each other in an abutting manner at the end portions close to each other.

Optionally, the adjacent two mutually close ends of the foam material side frame strips are provided with inclined planes, and the inclined planes of the adjacent two foam material side frame strips are mutually abutted and adhered to each other, so that the adjacent two foam material side frame strips are vertically connected.

Optionally, the inclined surface is inclined at an angle of 45 °.

Compared with the prior art, the embodiment of the utility model provides an above-mentioned one or more technical scheme in the soft frame filter core of foaming have one of following technological effect at least:

during the installation, because the foaming material frame strip has elasticity, many foaming material frame strips on the periphery of crossing the filter core all with the inner wall butt of air purification equipment's filter core installation cavity and be in the extrusion state, make many foaming material frame strips and the inner wall zonulae occludens of filter core installation cavity, the clearance can not appear between the inner wall of foaming material frame strip and filter core installation cavity, the installation leakproofness is good, the air can only be followed the filter core and passed, guarantee that the dust in the air can be fully removed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic view of a first structure of the foam soft frame filter element of the present invention.

Fig. 2 is a second schematic structural view of the foamed soft frame filter element of the present invention.

Fig. 3 is a third structural schematic diagram of the foamed soft frame filter element of the present invention.

Wherein, in the figures, the respective reference numerals:

the filter element 100, the foam frame strip 200, the inclined surface 210, the buffer hole 220, and the barrier strip 230.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the embodiments of the present invention, and should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, referring to fig. 1 and 2, a foam soft frame filter element is provided, which comprises a filter element 100 and a foam material frame strip 200. The periphery of the filter element 100 is bonded with the foam frame strip 200, and the foam frame strip 200 is disconnected or connected end to end.

Referring to fig. 1 and 2, during installation, because the foam material side frame strips 200 have elasticity, the foam material side frame strips 200 on the periphery of the filter element 100 are all abutted against the inner wall of the filter element installation cavity of the air purification device and are in an extrusion state, so that the plurality of foam material side frame strips 200 are tightly connected with the inner wall of the filter element installation cavity, no gap can be generated between the foam material side frame strips 200 and the inner wall of the filter element installation cavity, the installation sealing performance is good, air can only pass through the filter element 100, and the dust in the air can be fully removed.

And moreover, because the foam material side frame strips have elasticity, the filter element can be elastically bent, so that when the filter element is installed, parts in the automobile can be avoided, the filter element can be smoothly installed in the air conditioner box assembly, and the installation is convenient.

In another embodiment of the present invention, the filter element 100 is polygonal, one or more strips of the foam frame strip 200 are provided, and the foam frame strip 200 is adhered to the periphery of the filter element 100.

In an embodiment, the filter element 100 is rectangular, four foam side frames 200 are provided, and the four foam side frames 200 are respectively bonded to the four sides of the filter element 100 by glue, so that the assembly is convenient. In some embodiments, the filter element 100 has a rectangular shape, and the foam frame strips 200 are provided in a strip shape, and the foam frame strips 200 are connected end to end and wrap the periphery of the rectangular filter element 100.

In other embodiments, the filter element 100 may be triangular, pentagonal or other shapes, and correspondingly, the foam frame strip 200 is adhered to each of the four sides of the filter element 100, so that the structure is various. In some embodiments, the filter element 100 may be triangular, pentagonal or other shape, and the foam frame strips 200 are arranged in a strip, and the foam frame strips 200 are connected end to end and wrap around the periphery of the triangular, pentagonal or other shape filter element 100.

Further, the foamed material side frame strip 200 may be NBR foamed material, RB foamed material, PVC foamed material, PU foamed material, EVA foamed material, etc., and therefore, any material capable of being foamed may be used as the foamed material side frame strip 200, which is not limited herein in the present embodiment. Wherein, the foaming material frame strip 200 has higher elasticity to be connected inseparabler when making the inner wall butt of foaming material frame strip 200 and filter core installation cavity, not leave the gap.

Further, referring to fig. 1 and 2, the adjacent two foam material side frame strips 200 are abutted against each other and connected by bonding at the end portions close to each other, so that the adjacent two foam material side frame strips 200 are vertically connected, the assembly is convenient, and the connection is stable.

Further, referring to fig. 1 and 2, the end portions of the two adjacent foam side frame strips 200 close to each other are provided with inclined surfaces 210, and the inclined surfaces 210 of the two adjacent foam side frame strips 200 are abutted against each other and bonded together by bonding, so that the two adjacent foam side frame strips 200 are vertically connected, the bonding is tight, and the sealing performance is good.

Further, referring to fig. 1 and 2, the inclined angle of the inclined surface 210 is 45 °, which is beneficial to the connection of the two adjacent foam frame strips 200.

Further, referring to fig. 1 and 2, the thickness of the foam frame strip 200 is greater than or equal to 2mm, so as to ensure that the foam frame strip 200 has good elasticity and prevent the foam frame strip 200 from being too thin and having too low strength.

In another embodiment of the present invention, referring to fig. 3, a plurality of buffer holes 220 are disposed on the end surface of the foam frame strip 200 parallel to the front surface 101 of the filter element 100. When the foam material frame strip 200 is extruded (compressed), the plurality of buffer holes 220 provide an avoiding space for the deformation of the foam material frame strip 200, so that the elasticity of the foam material frame strip 200 is better.

Referring to fig. 3, the buffer holes 220 are blind holes, that is, the buffer holes 220 do not penetrate through the two opposite sides of the foam frame strip 200, so as to prevent air from passing through the buffer holes 220 and ensure that air can only pass through the filter element 100.

In another embodiment of the present invention, referring to fig. 3, the inner side of the foam frame strip 200 is located at the front 101 of the filter element 100 and extends inward to form a barrier 230, two adjacent barrier 230 are abutted against each other at the end portions close to each other, and the barrier 230 covers and adheres to the edge of the filter element 100. When the filter element 100 is manufactured, the inner side wall of the foam material frame strip 200 is bonded with the edge of the filter element 100, and a small gap may be formed due to uneven coating, and the edge of the filter element 100 is covered and bonded by the barrier strip 230, so that the connection between the barrier strip 230 and the edge of the filter element 100 is increased, the sealing property between the foam material frame strip 200 and the filter element 100 is improved, and the sealing effect is better.

Further, the foam material frame strip 200 and the barrier strip 230 are integrally formed, and the processing is convenient.

The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.

The foregoing is a more detailed description of the present invention, taken in conjunction with specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, its framework form can be nimble changeable, can derive series of products. But merely as a matter of simple deductions or substitutions, should be considered as belonging to the scope of patent protection of the present invention as determined by the claims submitted.

Claims

1. A foaming soft frame filter element is characterized by comprising a filter element and a foaming material frame strip; the filter element is bonded with the foaming material side frame strips, and the foaming material side frame strips are disconnected or connected end to end; the adjacent two the tip that the foaming material frame strip is close to each other is the butt each other and is connected.

2. The foamed soft rim filter cartridge of claim 1, wherein: the filter element is polygonal, one or more foam material side frame strips are arranged, and the foam material side frame strips are bonded on the periphery of the filter element.

3. The foamed soft rim filter of claim 1, wherein: the thickness of the foaming material side frame strip is more than or equal to 2 mm.

4. The foamed soft rim filter cartridge of claim 1, wherein: the adjacent two the tip that the foaming material frame strip is close to each other all is equipped with the inclined plane, adjacent two the inclined plane of foaming material frame strip is mutual butt and adhesion, makes adjacent two the foaming material frame strip meets perpendicularly.

5. The foamed soft rim filter cartridge of claim 4, wherein: the inclination angle of the inclined plane is 45 degrees.