CN211343172U

CN211343172U - Axial flow combined type air filter element

Info

Publication number: CN211343172U
Application number: CN201921423238.XU
Authority: CN
Inventors: 冉超; 段午君; 赵晓东
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-08-25
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a modular air filter of axial flow, first filter core, second filter core and third filter core are by folding and forming through filter paper crest trough, first filter core is cube or cuboid structure, and second filter core and third filter core symmetric distribution are in first filter core both sides, and second filter core and third filter core are semi-circular or half arc ring structure, and first filter core, second filter core and third filter core constitute a waist shape or oval-shaped three-dimensional cyclic annular filter core. In the design scheme, the first, second and third filter elements fully utilize the traditional hollow part, the upper end surface and the lower end surface of the second filter element, the upper end surface and the lower end surface of the third filter element, and the upper end surface and the lower end surface of the first filter element are all open end surfaces, so that the air flow can axially pass through the filter element; thereby reduce the air intake resistance of filter core, increase filter area for the filter core under the same appearance volume has bigger air input and holds the dirt volume, thereby obtains higher filtration efficiency and life.

Description

Axial flow combined type air filter element

Technical Field

The utility model belongs to the technical field of gas filter element's technique and specifically relates to an axial compressor combination formula air filter for fluid filtration, in particular to mechanical connection structure.

Background

For internal combustion engines, air generally needs to be filtered before participating in combustion, so as to reduce mechanical wear of the internal combustion engine caused by dust and impurities carried by the air, improve the efficiency and prolong the service life of the internal combustion engine.

The traditional cylindrical annular filter element is formed by connecting folded filter paper end to end and is hollow; when the air inlet surface is in the axial direction of the filter element, the hollow part can not be fully utilized, so that the filter area of the filter paper is insufficient, and the service life of the filter element is limited.

Disclosure of Invention

An object of the utility model is to provide an axial-flow combination formula air filter, this design can effectively utilize the space, increase filter paper filter area, increase of service life's axial-flow type air filter, overcome the shortcoming and not enough that exist among the prior art.

In order to realize the purpose, the technical scheme of the utility model is that: the utility model provides an axial flow combination formula air filter, combination formula air filter includes first filter core, second filter core and third filter core, first filter core, second filter core and third filter core are by folding and forming through filter paper crest trough, first filter core is cube or cuboid structure, and second filter core and third filter core symmetric distribution are in first filter core both sides, and second filter core and third filter core are semi-circular or semi-arc ring structure, and first filter core, second filter core and third filter core constitute a waist shape or oval-shaped three-dimensional cyclic annular filter core.

The utility model discloses an axial flow combined air filter element, which overcomes the defect of insufficient utilization of the space of a hollow filter element of a traditional annular cylindrical filter element, wherein the traditional hollow part is fully utilized by a first filter element, a second filter element and a third filter element in the design scheme, and the upper end surface of the second filter element, the lower end surface of the second filter element, the upper end surface of the third filter element, the lower end surface of the third filter element, the upper end surface of the first filter element and the lower end surface of the first filter element are all open end surfaces, so that the axial passing of the air flow can be realized; thereby reduce the air intake resistance of filter core, increase filter area for the filter core under the same appearance volume has bigger air input and holds the dirt volume, thereby obtains higher filtration efficiency and life.

Drawings

Fig. 1 is a schematic view of the axial flow combined air filter element of the present invention.

Fig. 2 is an exploded view of the axial flow combined air filter of the present invention.

Fig. 3 is a top view of the axial flow combined air filter of the present invention.

Fig. 4 is a sectional view of the axial flow combined type air filter element A-A.

Fig. 5 is a flow diagram of an axial flow combined filter element.

FIG. 6 is a view of axial flow modular air filter element B-B.

Fig. 7 is a view of a first cartridge arrangement.

Fig. 8 is a view of a second cartridge and a third cartridge arrangement.

Fig. 9 is a structural view of a second cartridge inner periphery fixing bracket and a third cartridge inner periphery fixing bracket.

Figure 10 is a structural view of the underwire support.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

The utility model discloses a modular air filter of axial flow, it is different from prior art and lies in: the combined type air filter element comprises a first filter element 1, a second filter element 2 and a third filter element 3, wherein the first filter element 1, the second filter element 2 and the third filter element 3 are formed by folding through filter paper wave crests and wave troughs, the first filter element 1 is of a cube or cuboid structure, the second filter element 2 and the third filter element 3 are symmetrically distributed on two sides of the first filter element 1, the second filter element 2 and the third filter element 3 are of semicircular or semi-arc ring structures, and the first filter element 1, the second filter element 2 and the third filter element 3 form a waist-shaped or oval three-dimensional ring-shaped filter element.

In specific implementation, the upper and lower end surfaces in the fold width direction of the second filter element 2 are respectively an upper end surface 201 of the second filter element and a lower end surface 202 of the second filter element, the upper and lower end surfaces in the fold width direction of the third filter element 3 are respectively an upper end surface 301 of the third filter element and a lower end surface 302 of the third filter element, the upper and lower end surfaces in the fold depth direction of the first filter element 1 are respectively an upper end surface 101 of the first filter element and a lower end surface 102 of the first filter element, the open edge surfaces at both sides of the second filter element 2 are respectively a left end surface 205 of the second filter element and a right end surface 206 of the second filter element, the open edge surfaces at both sides of the third filter element 3 are respectively a left end surface 305 of the third filter element and a right end surface 306 of the third filter element, the two edge surfaces in the fold depth of the first filter element 1 are respectively a left end surface 103 of the first filter element and a right end surface 104 of the first filter element, the two end, the second filter element 2 between the second filter element left end surface 205 and the second filter element right end surface 206 forms a second filter element inner peripheral end surface 203, the second filter element inner peripheral end surface 203 is in an inward semicircular or semicircular arc shape, the third filter element 3 between the third filter element left end surface 305 and the third filter element right end surface 306 forms a third filter element inner peripheral end surface 303, the third filter element inner peripheral end surface 303 is in an inward semicircular or semicircular arc shape, the second filter element 2 outer side forms a second filter element outer peripheral end surface 204, the second filter element outer peripheral end surface 204 is in an inward semicircular or semicircular arc shape, the third filter element 3 outer side forms a third filter element outer peripheral end surface 304, and the third filter element outer peripheral end surface 304 is in an inward semicircular or semicircular arc shape.

In specific implementation, a semicircular or semi-arc-shaped left cavity 401 is formed between the third filter element inner peripheral end surface 303 and the first filter element left end surface 103, a second filter element inner peripheral fixing support 701 matched with the cavity in shape is arranged in the left cavity 401, a second filter element inner peripheral fixing support sealing element 501 is covered at the upper end of the second filter element inner peripheral fixing support 701, a semicircular or semi-arc-shaped right cavity 402 is formed between the third filter element inner peripheral end surface 303 and the first filter element right end surface 104, a third filter element inner peripheral fixing support 702 matched with the cavity in shape is arranged in the right cavity 402, and a third filter element inner peripheral fixing support sealing element 502 is covered at the upper end of the third filter element inner peripheral fixing support 702 and is used for preventing unfiltered air from being led out from the tops of the left cavity 401 and the right cavity 402.

In specific implementation, the second filter element left end surface 205 and the second filter element right end surface 206 are sealed with the first filter element left end surface 103 by a sealant, and the third filter element left end surface 305 and the third filter element right end surface 306 are also sealed with the first filter element right end surface 104 by a sealant, so that unfiltered air is prevented from being led out from a gap between the second filter element left end surface 205 and the second filter element right end surface 206 and the first filter element left end surface 103, and unfiltered air is prevented from being led out from a gap between the third filter element left end surface 305 and the third filter element right end surface 306 and the first filter element right end surface 104.

In specific implementation, the second filter element 2 is bonded and sealed by sealant between adjacent filter paper folding sheets at the inner peripheral end face 203 of the second filter element; the third filter element 3 is bonded and sealed by sealant between adjacent filter paper folding pieces at the inner peripheral end face 303 of the third filter element.

In specific implementation, the first cartridge front face 106 is faced with a first cartridge front face seal member 105; the first cartridge rear face 107 is faced with a first cartridge rear face seal member 108. A filter pocket is formed to prevent unfiltered air from passing therethrough.

In specific implementation, a bottom bracket 601 is disposed at the second filter element lower end face 202, the first filter element lower end face 102, and the third filter element lower end face 302, and the outer edge of the bottom bracket 601 seals the outer edges of the second filter element lower end face 202, the first filter element lower end face 102, and the third filter element lower end face 302.

In specific implementation, an annular fixing cover 801 is disposed along the outer edges of the second filter element upper end surface 201, the first filter element upper end surface 101, and the third filter element upper end surface 301, and the fixing cover 801 hoops the outer edge of the plane formed by the second filter element upper end surface 201, the first filter element upper end surface 101, and the third filter element upper end surface 301 therein. So as to receive the first, second and third filter elements to form a whole and prevent the open end face of the filter paper from being damaged by collision in the using process.

In specific implementation, the bottom bracket 601 is composed of an annular bracket 602 located at the outer ring and a rectangular frame 603 located in the middle, the size of the rectangular frame 603 is matched with the size of the lower end face 102 of the first filter element, the edge strips 606 at two sides of the rectangular frame 603 are sealed with the edges at two sides of the lower end face 102 of the first filter element by using a sealant, support ribs 604 distributed in a mutually crossing manner are arranged in the rectangular frame 603, and air holes 605 are formed between the support ribs 604 distributed in a mutually crossing manner.

In specific implementation, the second filter element inner periphery fixing support 701 and the third filter element inner periphery fixing support 702 are the same in shape and are symmetrically distributed, a plurality of semicircular or arc-shaped transverse ribs 703 are distributed on the second filter element inner periphery fixing support 701 from top to bottom, the transverse ribs 703 are distributed at equal intervals, two ends of each transverse rib 703 are respectively provided with a longitudinal rib 704, the intersections of the longitudinal rib 704 and each transverse rib 703 are mutually fixed to form an integrated structure, the middle position of each transverse rib 703 is also longitudinally distributed with a longitudinal rib 704, and the intersections of the longitudinal rib 704 and each transverse rib 703 are mutually fixed to form an integrated structure.

Preferably, the second filter element gradually enlarges from the center of the peripheral edge of the upper end surface 201 of the second filter element to the center of the peripheral edge of the lower end surface 202 of the second filter element along the axial direction of the second filter element, and the third filter element gradually enlarges from the center of the peripheral edge of the upper end surface 301 of the third filter element to the center of the peripheral edge of the lower end surface 302 of the third filter element along the axial direction of the third filter element.

The foregoing is a more detailed description of the invention, taken in conjunction with the accompanying preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described above. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides an axial flow combination formula air filter which characterized in that: the combined air filter element comprises a first filter element (1), a second filter element (2) and a third filter element (3), wherein the first filter element (1), the second filter element (2) and the third filter element (3) are formed by folding through filter paper wave crests and wave troughs, the first filter element (1) is of a cube or cuboid structure, the second filter element (2) and the third filter element (3) are symmetrically distributed on two sides of the first filter element (1), the second filter element (2) and the third filter element (3) are of a semicircular or semi-arc ring structure, and the first filter element (1), the second filter element (2) and the third filter element (3) form a waist-shaped or oval three-dimensional ring-shaped filter element.

2. The axial flow combination air filter of claim 1, wherein: the upper end face and the lower end face of the second filter element (2) in the crease width direction are respectively a second filter element upper end face (201) and a second filter element lower end face (202), the upper end face and the lower end face of the third filter element (3) in the crease width direction are respectively a third filter element upper end face (301) and a third filter element lower end face (302), the upper end face and the lower end face of the first filter element (1) in the crease depth direction are respectively a first filter element upper end face (101) and a first filter element lower end face (102), the open edge faces of the two sides of the second filter element (2) are respectively a second filter element left end face (205) and a second filter element right end face (206), the open edge faces of the two sides of the third filter element (3) are respectively a third filter element left end face (305) and a third filter element right end face (306), and the two edge faces of the folding depth of the first filter element (1) are respectively a first filter element left end, the filter paper folding width direction of the filter paper is characterized in that two end faces of the first filter element (1) in the filter paper folding width direction are a first filter element front end face (106) and a first filter element rear end face (107), a second filter element inner circumference end face (203) is formed at a second filter element (2) between a second filter element left end face (205) and a second filter element right end face (206), the second filter element inner circumference end face (203) is in an inward semicircular shape or a semicircular arc shape, a third filter element inner circumference end face (303) is formed at a third filter element (3) between a third filter element left end face (305) and a third filter element right end face (306), the third filter element inner circumference end face (303) is in an inward semicircular shape or a semicircular arc shape, a second filter element outer circumference end face (204) is formed at the outer side of the second filter element (2), the second filter element outer circumference end face (204) is in an inward semicircular shape or a semicircular arc shape, and a third, the peripheral end face (304) of the third filter element is in an inward semicircular shape or a semicircular arc shape.

3. The axial flow combination air filter of claim 2, wherein: a semicircular or semi-arc-shaped left cavity (401) is formed between the inner peripheral end face (303) of the third filter element and the left end face (103) of the first filter element, a second filter element inner peripheral fixing support (701) matched with the cavity in shape is arranged in the left cavity (401), a second filter element inner peripheral fixing support sealing element (501) is covered at the upper end of the second filter element inner peripheral fixing support (701), a semicircular or semi-arc-shaped right cavity (402) is formed between the inner peripheral end face (303) of the third filter element and the right end face (104) of the first filter element, a third filter element inner peripheral fixing support (702) matched with the cavity in shape is arranged in the right cavity (402), a third filter element inner peripheral fixing support sealing element (502) is covered at the upper end of the third filter element inner peripheral fixing, the filter is used for preventing unfiltered air from being led out from the tops of the left cavity (401) and the right cavity (402).

4. The axial flow combination air filter of claim 2, wherein: second filter core left end face (205) and second filter core right-hand member face (206) are sealed through sealed glue with first filter core left end face (103), and third filter core left end face (305) and third filter core right-hand member face (306) are also sealed through sealed glue with first filter core right-hand member face (104), derive from the clearance between second filter core left end face (205) and second filter core right-hand member face (206) and first filter core left end face (103) with the clearance that prevents unfiltered air from between third filter core left end face (305) and third filter core right-hand member face (306) and first filter core right-hand member face (104).

5. The axial flow combination air filter of claim 2, wherein: the second filter element (2) is bonded and sealed by sealant between adjacent filter paper folding pieces at the inner peripheral end surface (203) of the second filter element; the third filter element (3) is bonded and sealed by sealant between adjacent filter paper folding pieces at the inner peripheral end surface (303) of the third filter element.

6. The axial flow combination air filter of claim 2, wherein: a first filter element front end face sealing piece (105) is covered on the surface of the first filter element front end face (106); a first filter element rear end face sealing piece (108) covers the surface of the first filter element rear end face (107).

7. The axial flow combination air filter of claim 2, wherein: and the lower end face (202) of the second filter element, the lower end face (102) of the first filter element and the lower end face (302) of the third filter element are provided with a bottom support bracket (601), and the outer edges of the lower end face (202) of the second filter element, the lower end face (102) of the first filter element and the lower end face (302) of the third filter element are sealed by the outer edge of the bottom support bracket (601).

8. The axial flow combination air filter of claim 2, wherein: an annular fixing cover (801) is arranged along the outer edges of the second filter element upper end face (201), the first filter element upper end face (101) and the third filter element upper end face (301), and the fixing cover (801) hoops the outer edge of a plane formed by the second filter element upper end face (201), the first filter element upper end face (101) and the third filter element upper end face (301) in the fixing cover.

9. The axial flow combination air filter of claim 7, wherein: the bottom support bracket (601) is composed of an annular bracket (602) positioned on the outer ring and a rectangular frame (603) positioned in the middle, the size of the rectangular frame (603) is matched with that of the first filter element, the edges of two sides of the rectangular frame (603) and the edges of two sides of the first filter element on the end surface (102) are sealed through sealant, supporting ribs (604) which are distributed in a mutually crossed manner are arranged inside the rectangular frame (603), and air holes (605) are formed between the supporting ribs (604) which are distributed in a mutually crossed manner.

10. The axial flow combination air filter of claim 3, wherein: the filter element comprises a second filter element inner periphery fixing support (701) and a third filter element inner periphery fixing support (702), wherein the second filter element inner periphery fixing support (701) and the third filter element inner periphery fixing support (702) are same in shape and symmetrically distributed, a plurality of semicircular or arc-shaped transverse ribs (703) are distributed from top to bottom in the second filter element inner periphery fixing support (701), the transverse ribs (703) are distributed at equal intervals, two ends of each transverse rib (703) are respectively provided with a longitudinal rib (704), the intersections of the longitudinal rib (704) and the transverse ribs (703) are mutually fixed to form an integrated structure, the middle position of each transverse rib (703) is also longitudinally distributed with a longitudinal rib (704), and the intersections of the longitudinal rib (704) and the transverse ribs (703) are mutually fixed to form an.