CN221169787U - Self-cleaning air filter with lower air inlet - Google Patents
Self-cleaning air filter with lower air inlet Download PDFInfo
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- CN221169787U CN221169787U CN202323269251.3U CN202323269251U CN221169787U CN 221169787 U CN221169787 U CN 221169787U CN 202323269251 U CN202323269251 U CN 202323269251U CN 221169787 U CN221169787 U CN 221169787U
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- filter element
- self
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- 238000004140 cleaning Methods 0.000 title claims abstract description 24
- 230000000694 effects Effects 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 239000000428 dust Substances 0.000 description 17
- 238000007664 blowing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000011045 prefiltration Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- -1 construction sites Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to a lower air inlet self-cleaning air filter, which comprises a square shell, wherein a replaceable filter element is vertically arranged in the shell, and an end cover is arranged at the top end of the filter element; the inner side of the top end of the end cover protrudes downwards to form an inverted horn-shaped flange; a plurality of air inlets are uniformly formed in the bottom of the shell; the lower air inlet self-cleaning air filter has the advantages of good structural stability, water resistance and good cleaning effect.
Description
Technical Field
The utility model relates to a lower air inlet self-cleaning air filter.
Background
The air filter is mainly used for filtering dust and impurities in the air and providing clean air for an internal combustion engine so as to reduce the abrasion of the engine; the construction machinery of engineering machinery and the like often work in areas with serious dust, such as construction sites, sand and stone factories, mines and the like, a filter element in an air filter is blocked by accumulated dust in a short time, so that the air inlet resistance and the oil consumption of an engine are increased, and the power output of the engine is influenced. The existing method is that one or more traditional prefilters are connected in series at the front end of the air filter, wherein the traditional prefilters comprise a wet oil bath prefilter and a dry cyclone tube prefilter, but the traditional prefilters all utilize the centrifugal force effect of dust at high speed to separate dust with larger dust particles, and the defects of low prefilter efficiency and large resistance generally exist; in addition, in the serious environment of dust, just need maintenance and change the filter core about a two week time, and the maintenance expense of changing new filter core is high, and need stop equipment in maintenance in-process, this not only influences the attendance of equipment, and also can inhale a large amount of dust when the manual cleaning deposition, influences maintainer's occupational health.
In order to improve the service life of the filter element, the existing part of the filter is designed with a self-cleaning structure, the structure of a pulse valve and a gas storage tank is adopted, and dust can be blown off by blowing inside the filter element, but the support adopted in the patent is a support fixed on one side and is fed from the side, when the engine works, the filter can generate large vibration, the support fixed on one side is unstable easily, and meanwhile, the side is fed, so that the condition of water feeding is easy to occur, and damage is caused to the filter.
Disclosure of utility model
The utility model mainly solves the technical problems existing in the prior art, and provides the lower air inlet self-cleaning air filter with good structural stability, water resistance and good cleaning effect.
The technical problems of the utility model are mainly solved by the following technical proposal:
The utility model relates to a lower air inlet self-cleaning air filter, which comprises a square shell, wherein a replaceable filter element is vertically arranged in the shell, and an end cover is arranged at the top end of the filter element; the inner side of the top end of the end cover protrudes downwards to form an inverted horn-shaped flange; a plurality of air inlets are uniformly arranged at the bottom of the shell.
Preferably, the filter element is vertically arranged in the shell, and an air outlet is arranged below the filter element.
Preferably, a square bracket is arranged below the shell.
Preferably, an air storage tank is transversely arranged on one inner side of the bracket, a pulse valve is arranged on the air storage tank, and an air ejector pipe extending into the filter element is arranged at one end of the pulse valve.
Preferably, an openable cover is provided on the top of the housing.
Preferably, a boss is arranged above the shell, and the end cover is arranged on the boss in an openable and closable manner.
Preferably, the two side surfaces and the rear end of the bracket are respectively provided with a fixing plate.
Preferably, the air ejector tube is of an L-shaped structure, transversely penetrates through the air outlet and then vertically extends into the lower end part of the filter element.
The beneficial effects of the utility model are as follows:
The square shell structure is adopted, the area of the shell is increased, air inlet can be more sufficient, the air inlet is arranged at the bottom of the shell, and the air outlet is also designed at the bottom, so that the air inlet and the air outlet are arranged below the shell, water inlet and other conditions can be avoided, dust can be better allowed to fall down through gravity when the filter element is self-cleaned, and a better cleaning effect is achieved;
In addition, a flange is designed in the end cover, so that when the filter element is blown to clean dust, the back blowing distance of the air is reduced, the wind energy is not excessively reduced, the pressure intensity of the other end of the filter element is increased, and the self-cleaning effect is further improved; the square-structure bracket is adopted, so that the filter can resist vibration in the engine operation process, and the whole filter is more stable.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a cross-sectional view of the present utility model;
FIG. 4 is a schematic view of the bottom structure of the present utility model;
Fig. 5 is a partial enlarged view of fig. 2.
In the figure: 1-cover, 2-shell, 3-fixing piece, 4-air outlet, 5-bracket, 6-pulse valve, 7-air storage tank, 8-filter element, 9-air injection pipe, 10-air inlet, 2.1-boss, 5.1-fixing plate, 8.1-end cover and 8.2-flange
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
As shown in fig. 1 to 5, a lower intake self-cleaning air filter is mainly provided at the front end of an engine to filter dust in air and supply the filtered air to the engine. The filter comprises a square shell 2, wherein the shell 2 is designed into a square structure, the whole area can be increased, a replaceable filter element 8 is vertically arranged in the shell 2, and an end cover 8.1 is arranged at the top end of the filter element 8; the inner side of the top end of the end cover 8.1 (see fig. 5) protrudes downwards to form an inverted horn-shaped flange 8.2, that is, after the end cover 8.1 is closed, the flange 8.2 is embedded into the filter element 8, so that the distance between the upper end and the bottom of the filter element 8 is shortened; a plurality of air inlets 10 (see fig. 4) are uniformly formed in the bottom of the housing 2, and the bottom of the housing 2 is square, so that the air inlets can be distributed more than round, and the air inlets are formed in the bottom to form a lower air inlet structure, thereby preventing water inflow and the like.
The filter element 8 is vertically arranged in the shell 2, and an air outlet 4 is arranged below the filter element 8; specifically, the air inlet 10 and the air outlet 4 are both arranged below the shell 2, so that the air inlet and the air outlet are both of a downward inlet design, and the waterproof and gravity-based dust exhaust device is more beneficial.
The below of casing 2 is provided with square support 5, and specifically speaking, casing 2 passes through mounting 3 to be fixed in the top of support 5, and square support 5 can more firmly support casing 2, avoids the vibration of high frequency to influence the stability of filter when engine operation.
An air storage tank 7 is transversely arranged on one inner side of the bracket 5, a pulse valve 6 is arranged on the air storage tank 7, and an air jet pipe 9 extending into the filter element 8 is arranged at one end of the pulse valve 6. After the filter is used, the pulse valve 6 is matched with the air storage tank 7 to jet air to the filter element 8 through the air jet pipe 9, so that dust in the filter element 8 is blown off, and the blown dust is discharged from the air inlet 10; further, the end of the air jet pipe 9 only enters the lower end of the filter element 8 and does not extend to the upper end of the filter element 8, so when the air jet pipe 9 blows air to the filter element 8 to achieve the ash dropping effect, air enters the filter element 8 and collides with the end cover 8.1 to blow back, and the flange 8.2 is designed in the application, so that no energy is absorbed during back blowing, the concave shape is long, the defect that the remote wind energy is reduced during back blowing is overcome, the pressure intensity of the other end of the filter element is increased, and the back blowing cleanliness of the filter element is improved.
An openable cover 1 is provided on the top of the housing 2.
A boss 2.1 is arranged above the shell 2, and the cover 1 is arranged on the boss 2.1 in an openable and closable manner.
The two side surfaces and the rear end of the bracket 5 are respectively provided with a fixing plate 5.1, so that the air storage tank 7 and the pulse valve 6 can be protected, and the whole filter can be more attractive in appearance.
The air ejector 9 is of an L-shaped structure, transversely penetrates through the air outlet 4 and then vertically extends into the lower end part of the filter element 8.
The beneficial effects of the utility model are as follows:
The square shell structure is adopted, the area of the shell is increased, air inlet can be more sufficient, the air inlet is arranged at the bottom of the shell, and the air outlet is also designed at the bottom, so that the air inlet and the air outlet are arranged below the shell, water inlet and other conditions can be avoided, dust can be better allowed to fall down through gravity when the filter element is self-cleaned, and a better cleaning effect is achieved;
In addition, a flange is designed in the end cover, so that when the filter element is blown to clean dust, the back blowing distance of the air is reduced, the wind energy is not excessively reduced, the pressure intensity of the other end of the filter element is increased, and the self-cleaning effect is further improved; the square-structure bracket is adopted, so that the filter can resist vibration in the engine operation process, and the whole filter is more stable.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. It will be understood by those of ordinary skill in the art that the specific meaning of the terms described above in this application
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. A lower inlet air self-cleaning air filter which is characterized in that: comprises a square shell (2), a replaceable filter element (8) is vertically arranged in the shell (2), and an end cover (8.1) is arranged at the top end of the filter element (8); the inner side of the top end of the end cover (8.1) protrudes downwards to form an inverted horn-shaped flange (8.2); more than 2 air inlets (10) are uniformly arranged at the bottom of the shell (2).
2. A lower intake self-cleaning air filter as claimed in claim 1, wherein: the filter element (8) is vertically arranged in the shell (2), and an air outlet (4) is arranged below the filter element (8).
3. A lower intake self-cleaning air filter as claimed in claim 2, wherein: a square bracket (5) is arranged below the shell (2).
4. A lower intake self-cleaning air filter as claimed in claim 3, wherein: an air storage tank (7) is transversely arranged on one inner side of the support (5), a pulse valve (6) is arranged on the air storage tank (7), and an air jet pipe (9) extending into the filter element (8) is arranged at one end of the pulse valve (6).
5. A lower intake self-cleaning air filter as claimed in claim 2, wherein: a cover (1) which can be opened and closed is arranged on the top of the shell (2).
6. A lower intake self-cleaning air filter as defined in claim 4, wherein: two side surfaces and the rear end of the bracket (5) are respectively provided with a fixing plate (5.1).
7. A lower intake self-cleaning air filter as defined in claim 5, wherein: a boss (2.1) is arranged above the shell (2), and the cover (1) is arranged on the boss (2.1) in an openable and closable manner.
8. A lower intake self-cleaning air filter as defined in claim 4, wherein: the air ejector tube (9) is of an L-shaped structure, transversely penetrates through the air outlet (4) and then vertically extends into the lower end part of the filter element (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323269251.3U CN221169787U (en) | 2023-12-01 | 2023-12-01 | Self-cleaning air filter with lower air inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323269251.3U CN221169787U (en) | 2023-12-01 | 2023-12-01 | Self-cleaning air filter with lower air inlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221169787U true CN221169787U (en) | 2024-06-18 |
Family
ID=91439608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323269251.3U Active CN221169787U (en) | 2023-12-01 | 2023-12-01 | Self-cleaning air filter with lower air inlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221169787U (en) |
-
2023
- 2023-12-01 CN CN202323269251.3U patent/CN221169787U/en active Active
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