CN210845580U

CN210845580U - Sealed air filter element fixed without glue line

Info

Publication number: CN210845580U
Application number: CN201921177414.6U
Authority: CN
Inventors: 李棉军
Original assignee: Suzhou Huanfeng Environmental Protection Technology Co ltd
Current assignee: Suzhou Huanfeng Environmental Protection Technology Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-06-26
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a canned type air filter that no rubber line is fixed, include: the filter core casing with by the folding filter core that forms of filter media, the filter core forms folding surface along folding direction, folding surface is circular or oval, the filter core casing with folding surface's overall shape size phase-match, the filter core casing with folding surface's outer fringe formula injection moulding as an organic whole forms seal structure. The utility model discloses an air filter, simple structure, it is fixed that the filter core need not to glue the line, forms integral type structure through moulding plastics between filter core casing and the filter core, has better sealed effect.

Description

Sealed air filter element fixed without glue line

Technical Field

The utility model relates to a filter technical field especially relates to a canned type air filter that no rubber line is fixed.

Background

At present, most of circular filter elements on the market are fixed by glue lines, the glue lines occupy most of filter areas, and most of the filter areas adopt a frame structure to be sealed only by additionally arranging a sealing ring, so that a large structural space is wasted, and harmful gas is volatilized in the use process of the hot melt adhesive due to untimely replacement to cause secondary pollution.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem of main solution provides a canned type air filter that no glue line is fixed, simple structure, and it is fixed that the filter core need not the glue line, forms the integral type structure through moulding plastics between filter core casing and the filter core, has better sealed effect.

In order to solve the technical problem, the utility model discloses a technical scheme be: a glue line free secured, sealed air filter cartridge comprising: the filter core casing with by the folding filter core that forms of filter media, the filter core forms folding surface along folding direction, folding surface is circular or oval, the filter core casing with folding surface's overall shape size phase-match, the filter core casing with folding surface's outer fringe formula injection moulding as an organic whole forms seal structure.

In a preferred embodiment of the present invention, the folding surface is curved or folded.

In a preferred embodiment of the present invention, the folded surface forms a fold having a U-shape or a V-shape.

In a preferred embodiment of the present invention, the filter material is a flat filter paper coated with formaldehyde-removing catalyst powder.

In a preferred embodiment of the present invention, the thickness of the flat filter paper is 0.2mm to 0.5 mm.

In a preferred embodiment of the present invention, the filter element is a multi-layer composite filter structure.

In a preferred embodiment of the present invention, the filtering structure comprises a filtering support layer, an adsorption filtering layer and an ultrafiltration membrane layer which are bonded to each other, the filtering precision of the adsorption filtering layer is 10 μm to 30 μm, and the filtering precision of the ultrafiltration membrane layer is 0.25 μm to 1.0 μm.

In a preferred embodiment of the present invention, the filtering support layer is a polypropylene fiber layer, and the adsorption filtration layer is a silica adsorption filtration layer or an activated carbon layer.

In a preferred embodiment of the present invention, the folding angle of the folded filter material is 20 ° -45 °

In a preferred embodiment of the present invention, the filter element housing is made of TPE plastic material.

The utility model has the advantages that: simple structure, the filter core need not to glue the line fixed, forms the integral type structure through moulding plastics between filter core casing and the filter core, has better sealed effect, and small, is particularly suitable for small-size empty structure of straining.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a schematic structural view of a sealed air filter element without glue line fixation according to the present invention;

fig. 2 is a cross-sectional view of the sealed air filter element without glue line fixation of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a sealed air filter without glue line fixation, including: filter core casing 1 and filter core 2 by the folding formation of filter media, filter core 2 forms folding surface 3 along folding direction, folding surface 3 is circular or oval, filter core casing 1 with folding surface 3's shape size phase-match, in filter core casing 1 is located to 2 covers of filter core, folding surface 3's outer fringe and filter core casing 1 formula injection moulding structure as an organic whole, sealed effectual need not to beat in addition and glue the bonding, safety ring protects, and filter core casing makes for TPE plastic materials, when producing this air filter, puts into the mould of machine with the filter core earlier in, then pours the material and form filter core casing for the peripheral edge of filter core casing and filter core forms the integral type structure through moulding plastics, can guarantee the filter area that the leakproofness can guarantee the filter core again.

Further, the folding surface 3 is curved or folded, and the folded shape formed by the folding surface 3 is U-shaped or V-shaped.

Furthermore, the filter material is flat filter paper coated with formaldehyde removal catalyst powder, and the thickness of the flat filter paper is preferably 0.2 mm-0.5 mm.

Further, the filter element 2 is a multi-layer composite filter structure, the filter structure is composed of a filter support layer, an adsorption filter layer and an ultrafiltration membrane layer which are bonded with each other, the filter precision of the adsorption filter layer is 10-30 μm, the filter precision of the ultrafiltration membrane layer is 0.25-1.0 μm, the filter support layer is a polypropylene fiber layer, and the adsorption filter layer is a silica adsorption filter layer or an activated carbon layer, so that gaseous pollutant molecules can be removed and efficiently filtered, and the service life of the air filter element is prolonged.

In addition, the air filter structure is the structure of buckling many times, can increase the area of contact with the air, increases effective filter layer area, improves filtration efficiency, the folding angle of buckling of filter media is 20 ~ 45, in the concrete operation, can adjust the angle of buckling as required suitably, and such adjustment scheme also falls into the utility model discloses a protection scope.

The utility model relates to a canned type air filter that no rubber line is fixed's beneficial effect is: simple structure, the filter core need not to glue the line fixed, forms the integral type structure through moulding plastics between filter core casing and the filter core, has better sealed effect, and small, is particularly suitable for small-size empty structure of straining.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.

Claims

1. The utility model provides a fixed canned type air filter of no rubber thread which characterized in that includes: the filter core casing with by the folding filter core that forms of filter media, the filter core forms folding surface along folding direction, folding surface is circular or oval, the filter core casing with folding surface's overall shape size phase-match, the filter core casing with folding surface's outer fringe formula injection moulding as an organic whole forms seal structure.

2. The air filter of claim 1, wherein the folded surface is curved or pleated.

3. The sealed air filter cartridge secured without glue line of claim 1, wherein said pleated surface forms a U-shape or V-shape pleat.

4. The sealed air filter element without glue line fixation of claim 1, wherein the filter material is a flat filter paper coated with formaldehyde removal catalyst powder.

5. The sealed air filter cartridge without glue line fixation of claim 4, wherein the thickness of the flat filter paper is 0.2mm to 0.5 mm.

6. The sealed air filter cartridge secured without glue lines of claim 1 wherein said cartridge is a multi-layer composite filter construction.

7. The sealed air filter element without glue line fixation according to claim 6, characterized in that the filter structure is composed of a filter support layer, an adsorption filter layer and an ultrafiltration membrane layer which are bonded with each other, the filtration precision of the adsorption filter layer is 10 μm-30 μm, and the filtration precision of the ultrafiltration membrane layer is 0.25-1.0 μm.

8. The sealed air filter element without glue line fixation of claim 7, wherein the filter support layer is a polypropylene fiber layer, and the adsorption filter layer is a silica adsorption filter layer or an activated carbon layer.

9. The sealed air filter element without glue line fixation of claim 1, wherein the folding angle of the filter material fold is 20 ° -45 °.

10. The air filter of claim 1, wherein the filter housing is made of TPE plastic material.