CN114837862A

CN114837862A - Air filter

Info

Publication number: CN114837862A
Application number: CN202210346316.0A
Authority: CN
Inventors: 张丽炜
Original assignee: Shanghai Fleetguard Filter Co ltd
Current assignee: Shanghai Fleetguard Filter Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-08-02

Abstract

The invention belongs to the technical field of air filter structures, and discloses an air filter. The air filter comprises a shell and a filter element, wherein one end of the shell is provided with an air inlet, the other end of the shell is provided with an air outlet, and the air inlet and the air outlet are arranged in a staggered manner; the filter core includes first filter core, and first filter core is located the inside of casing and is located between air intake and the air outlet, and first filter core includes framework and filter paper, and the framework has the inlet end that holds the chamber and set up relatively and gives vent to anger the end, holds the chamber and link up the inlet end and give vent to anger the terminal surface of end, and filter paper is located and is held the intracavity, and the inlet end face of framework sets up with the axis slope of the parallel just relative casing of terminal surface of giving vent to anger. According to the air filter provided by the invention, the air inlet end face and the air outlet end face of the frame body are parallel and are obliquely arranged relative to the axis of the shell, the space inside the shell occupied by the frame body in the air flowing direction is reduced, the overall volume of the air filter is further reduced, the air inlet and the air outlet are arranged in a staggered manner, and the stability of air flow is ensured.

Description

Air filter

Technical Field

The invention relates to the technical field of air filter structures, in particular to an air filter.

Background

The air cleaner refers to an accessory functioning to filter foreign substances through filter paper. The air filter is mainly used for filtering air in engineering locomotives, automobiles, agricultural locomotives, laboratories, sterile operation rooms and various precision operation rooms.

For example, in the prior art, a large amount of air is sucked in during the operation of the engine, and if the air is not filtered, dust suspended in the air is sucked into the cylinder, which accelerates the wear of the piston group and the cylinder. Larger particles enter between the piston and the cylinder, causing severe "scuffing" phenomena, resulting in damage to the engine. When air in an engine is filtered, an air filter is often arranged in front of a carburetor or an air inlet pipe, so that dust and sand in the air can be filtered, and sufficient clean air can enter a cylinder.

In the existing air cleaner, as shown in fig. 1, a filter element 101 is disposed in a housing 102, an extension length of the filter element 101 along a length direction of the housing 102 is L, in order to meet an air filtering requirement for air, a certain distance d is left between an air inlet 103 and an air outlet 104 from the filter element 101, and the overall volume of the air cleaner is large, which often cannot meet space requirements of different products.

Disclosure of Invention

The invention aims to provide an air filter, which aims to reduce the whole volume of the air filter and improve the stability of airflow.

In order to achieve the purpose, the invention adopts the following technical scheme:

an air cleaner comprising:

the air conditioner comprises a shell, wherein one end of the shell is provided with an air inlet, the other end of the shell is provided with an air outlet, and the air inlet and the air outlet are arranged in a staggered manner;

the filter core, the filter core includes first filter core, first filter core is located the inside of casing just is located the air intake with between the air outlet, first filter core includes framework and filter paper, the framework has the inlet end that holds the chamber and set up relatively and gives vent to anger the end, it link up to hold the chamber the inlet end reaches the terminal surface of the end of giving vent to anger, filter paper is located hold the intracavity, the inlet end face of framework with give vent to anger the terminal surface parallel and relative the axis slope of casing sets up.

Optionally, the axis of the air inlet and the axis of the air outlet are parallel to each other.

Optionally, the housing includes a housing body and an end cap, the end cap is disposed at one end of the housing body, and the end cap is detachably connected to the housing body.

Optionally, a maintenance opening is formed in the shell body, a maintenance door is arranged at the maintenance opening, and the maintenance door is pivoted with the shell body.

Optionally, the filter paper is folded in a serpentine shape and disposed on the end face of the air inlet end.

Optionally, the filter element further includes a second filter element, and the second filter element is disposed on the outer end face of the air outlet end.

Optionally, the filter paper is connected with the cavity wall of the accommodating cavity through bonding.

Optionally, the filter cartridge is removably connected to the housing.

Optionally, a sealing member is disposed outside the filter element, and the sealing member is used for sealing a gap between the filter element and the housing.

Optionally, two mutually parallel limiting protrusions are arranged on the outer side of the frame body, and the sealing element is arranged between the two limiting protrusions.

The invention has the beneficial effects that: the invention provides an air filter, when air is filtered, the air enters a shell from an air inlet, enters along an air inlet end of a frame body, is discharged from an air outlet end of the frame body through a containing cavity, and is finally discharged from an air outlet.

Drawings

FIG. 1 is a longitudinal cross-sectional view of a prior art air cleaner;

FIG. 2 is a longitudinal cross-sectional view of an air cleaner provided by an embodiment of the present invention;

FIG. 3 is an isometric view of an air cleaner provided by an embodiment of the present invention;

FIG. 4 is a schematic view of an assembly of a filter cartridge and a seal member of an air cleaner provided by an embodiment of the present invention;

FIG. 5 is a schematic view of a first filter element of an air cleaner according to an embodiment of the present disclosure;

FIG. 6 is a schematic view of a first filter element of an air cleaner according to an embodiment of the present disclosure from another perspective;

FIG. 7 is a schematic structural view of a housing of an air cleaner according to an embodiment of the present invention;

FIG. 8 is a schematic view of a service door on the housing of the air cleaner provided in accordance with an embodiment of the present invention;

FIG. 9 is a schematic diagram of the air inlet and outlet of an embodiment of the air cleaner;

FIG. 10 is a schematic view of the intake and exhaust ports of an alternative embodiment of an air cleaner according to the present invention;

fig. 11 is a schematic structural view of an air inlet and an air outlet in another aspect of an air cleaner according to an embodiment of the present invention.

In the figure:

101. A filter element; 102. a housing; 103. an air inlet; 104. an air outlet;

11. a shell body; 111. an end plate; 1111. an air outlet; 112. a top plate; 12. an end cap; 121. an air inlet; 13. maintaining the mouth; 14. a maintenance door; 2. a filter element; 21. a first filter element; 211. a frame body; 2111. a first side plate; 2112. a second side plate; 212. filtering paper; 22. a second filter element; 3. a seal member; 31. a first seal member; 32. a second seal member; 4. a frame.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 2 to 5, the present embodiment provides an air cleaner. The air filter comprises a shell and a filter element 2, wherein one end of the shell is provided with an air inlet 121, the other end of the shell is provided with an air outlet 1111, and the air inlet 121 and the air outlet 1111 are arranged in a staggered manner; the filter element 2 comprises a first filter element 21, the first filter element 21 is arranged in the shell and is positioned between the air inlet 121 and the air outlet 1111, the first filter element 21 comprises a frame body 211 and filter paper 212, the frame body 211 is provided with an air inlet end and an air outlet end which are used for accommodating a cavity and are oppositely arranged, the cavity is accommodated to penetrate through the end face of the air inlet end and the air outlet end, the filter paper 212 is arranged in the accommodating cavity, and the air inlet end face of the frame body 211 is arranged in parallel with the air outlet end face and is obliquely arranged relative to the axis of the shell.

When the air filter provided by the invention filters air, the air enters the shell from the air inlet 121 and enters along the air inlet end of the frame body 211, through the containing cavity, the air is discharged from the air outlet end of the frame body 211 and finally discharged from the air outlet 111, the air inlet end surface of the frame body 211 is parallel to the air outlet end surface and is obliquely arranged relative to the axis of the shell, compared with the prior art, the air is reduced from the air inlet 121 to the air inlet end, and the distance from the air outlet end to the air outlet 1111, the length of the air filter assembly is reduced by d, thereby reducing the space inside the housing occupied by the frame body 211 in the direction of the air flow, further reducing the overall volume of the air cleaner, meanwhile, the air inlet 121 and the air outlet 1111 are arranged in a staggered manner, air enters the housing through the air inlet 121, through the filtration of filter core 2, the air after the filtration is discharged from air outlet 1111, has guaranteed the stability of air current.

Optionally, the frame 211 includes a first side plate 2111 and a second side plate 2112 which are disposed parallel to each other, and both the first side plate 2111 and the second side plate 2112 are parallelogram. The arrangement is convenient to process, and the processing and manufacturing efficiency is improved.

With continued reference to fig. 4, optionally, the filter cartridge 2 further includes a second filter cartridge 22, the second filter cartridge 22 being disposed on an outer end face of the outlet end. The second filter element 22 is a safety filter element, and when the first filter element 21 is damaged or incorrectly installed, the second filter element 22 has a function of filtering air, or in the maintenance process, after the first filter element 21 is detached, the second filter element 22 is arranged to prevent dirt and other impurities from entering the clean air side of the air inlet system.

Preferably, the filter cartridge 2 is removably connected to the housing. This kind of setting is convenient for dismantle filter core 2, does benefit to and maintains filter core 2.

Optionally, a sealing element 3 is provided on the outside of the filter insert 2, the sealing element 3 being used to seal the gap between the filter insert 2 and the housing. This kind of setting can prevent effectively that impurity from getting into the clean air side that is close to air outlet 1111 via the clearance between filter core 2 and the casing at the in-process of filtering the air, has improved the filter effect.

Wherein the sealing member 3 comprises a first sealing member 31 and a second sealing member 32, the first sealing member 31 is disposed between the first filter cartridge 21 and the housing, and the second sealing member 32 is disposed between the second filter cartridge 22 and the housing. By the arrangement, the sealing effect is effectively improved.

Preferably, two limiting protrusions parallel to each other are arranged on the outer side of the frame body 211, and the sealing element 3 is arranged between the two limiting protrusions. This kind of setting can carry on spacingly to sealing member 3, prevents that sealing member 3 from droing from framework 211, has effectively improved sealed effect.

Alternatively, the filter paper 212 is disposed on the end face of the air intake end in a serpentine shape. This kind of setting can effectively improve the filter effect to the air.

In order to prevent the filter paper 212 from falling off and affecting the filtering effect, the filter paper 212 is connected with the cavity wall of the accommodating cavity through bonding. This kind of setting can effectively avoid the impurity in the air to get into the clean air side that is close to air outlet 1111 by the space between filter paper 212 and the chamber wall.

Further, as shown in fig. 6, the air outlet end is provided with a frame 4. Through setting up frame 4, can prevent effectively that filter paper 212 from deviating from the port of giving vent to anger end, improved this air cleaner's reliability.

Alternatively, the axis of the intake port 121 and the axis of the outtake port 1111 are parallel to each other. This kind of setting, the air intake 121 and the air outlet 1111 of being convenient for communicate with outside subassembly respectively, and can effectively improve the circulation stability of air, and then improved air filtration efficiency. In this embodiment, the air inlet 121 and the air outlet 1111 are preferably circular openings. The arrangement is favorable for processing.

Optionally, an air inlet pipe and an air outlet pipe are arranged on the housing, the air inlet pipe is communicated with the air inlet 121, and the air outlet pipe is communicated with the air outlet 1111. Through setting up the air-supply line and going out the tuber pipe, this air cleaner and external component intercommunication of being convenient for also is that circulation of air is more stable.

As shown in fig. 7, the housing includes a housing body 11 and an end cap 12, the end cap 12 is disposed at one end of the housing body 11, and the end cap 12 is detachably connected to the housing body 11. Through setting up end cover 12, and end cover 12 can dismantle with shell body 11 and be connected, when needs maintain filter core 2, demolish end cover 12, can take out filter core 2 to maintain filter core 2. Illustratively, the housing is of a hexahedral structure. The shape of the shell is regular, and processing and manufacturing are facilitated.

Optionally, as shown in fig. 8, a maintenance opening 13 is formed in the housing 11, a maintenance door 14 is disposed at the maintenance opening 13, and the maintenance door 14 is pivotally connected to the housing. Through setting up maintenance door 14, when needing to maintain filter core 2, only need open maintenance door 14, dismantle the processing through maintenance mouth 13 to filter core 2, maintain the filter core 2 after dismantling again, the operation of being convenient for.

Alternatively, as shown in fig. 9, in order to simplify the manufacturing cost, the housing body 11 includes a housing main body and a top plate 112, and the top plate 112 is detachably connected to the housing main body. Can dismantle with the shell main part through setting up roof 112 and being connected, when needs maintain filter core 2, only need pull down roof 112, dismantle the export that leaves after demolising through roof 112 and can dismantle filter core 2, the operation of being convenient for.

With continued reference to fig. 9, in the present embodiment, the air inlet 121 is disposed on the end cap 12, and the air outlet 1111 is disposed on the end plate 111 of the housing main body. Alternatively, as shown in fig. 10, the air inlet 121 is disposed on the bottom plate of the case body, and the air outlet 1111 is disposed on the top plate 112 of the case body. Alternatively, as shown in fig. 11, the air inlet 121 is disposed on the front plate of the housing body, the air outlet 1111 may be disposed on the rear plate of the housing body, the first side plate 2111 of the frame 211 is connected to the front plate, and the second side plate 2112 of the frame 211 is connected to the rear plate. Those skilled in the art can set the specific positions of the air inlet 121 and the air outlet 1111 according to the actual application scenario.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An air cleaner, comprising:

the air conditioner comprises a shell, wherein one end of the shell is provided with an air inlet (121), the other end of the shell is provided with an air outlet (1111), and the air inlet (121) and the air outlet (1111) are arranged in a staggered mode;

filter core (2), filter core (2) include first filter core (21), first filter core (21) are located the inside of casing just is located air intake (121) with between air outlet (1111), first filter core (21) include framework (211) and filter paper (212), framework (211) have the inlet end that holds the chamber and set up relatively and give vent to anger the end, it link up to hold the chamber the inlet end reaches the terminal surface of the end of giving vent to anger, filter paper (212) are located hold the intracavity, the inlet end face of framework (211) is parallel and relative with the terminal surface of giving vent to anger the axis slope setting of casing.

2. An air cleaner according to claim 1, wherein the axis of the air inlet opening (121) and the axis of the air outlet opening (1111) are parallel to each other.

3. The air cleaner of claim 2, wherein the housing includes a housing body (11) and an end cap (12), the end cap (12) being disposed at one end of the housing body (11), the end cap (12) being removably connected to the housing body (11).

4. The air cleaner according to claim 3, wherein the housing (11) is provided with a maintenance opening (13), a maintenance door (14) is provided at the maintenance opening (13), and the maintenance door (14) is pivotally connected to the housing.

5. An air cleaner according to any one of claims 1-4, wherein the filter paper (212) is arranged on an end face of the air inlet end in a serpentine fold.

6. An air cleaner according to any one of claims 1-4 wherein the filter element (2) further comprises a second filter element (22), the second filter element (22) being provided on an outer end face of the outlet end.

7. An air cleaner according to any one of claims 1 to 4, wherein the filter paper (212) is adhesively attached to the walls of the receiving chamber.

8. An air cleaner according to any one of claims 1-4 wherein the filter element (2) is removably connected to the housing.

9. An air cleaner according to any one of claims 1-4, wherein a sealing member (3) is provided outside the filter element (2), the sealing member (3) being adapted to seal a gap between the filter element (2) and the housing.

10. An air cleaner according to claim 9, wherein the frame body (211) is provided with two mutually parallel limiting protrusions on the outer side, and the sealing element (3) is arranged between the two limiting protrusions.