CN106870220B - Multistage air filtering filter for automobile - Google Patents
Multistage air filtering filter for automobile Download PDFInfo
- Publication number
- CN106870220B CN106870220B CN201710281948.2A CN201710281948A CN106870220B CN 106870220 B CN106870220 B CN 106870220B CN 201710281948 A CN201710281948 A CN 201710281948A CN 106870220 B CN106870220 B CN 106870220B
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- Prior art keywords
- filter
- wall
- air
- cavity
- screen plate
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- 238000001914 filtration Methods 0.000 title claims abstract description 26
- 238000001179 sorption measurement Methods 0.000 claims abstract description 27
- 239000010410 layer Substances 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000002955 isolation Methods 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 5
- 238000009792 diffusion process Methods 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 4
- 238000007872 degassing Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 18
- 239000002245 particle Substances 0.000 abstract description 12
- 239000010419 fine particle Substances 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
- F02M35/02441—Materials or structure of filter elements, e.g. foams
- F02M35/02466—Meshes; Grids; Perforated plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/0218—Air cleaners acting by absorption or adsorption; trapping or removing vapours or liquids, e.g. originating from fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
- F02M35/02475—Air cleaners using filters, e.g. moistened characterised by the shape of the filter element
- F02M35/02483—Cylindrical, conical, oval, spherical or the like filter elements; wounded filter elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses an automobile multistage air filter, which comprises a filter cartridge, a filter screen plate, a filter cup and a gas gathering adsorption block, wherein the filter cartridge is of a cartridge structure with an opening at the bottom end, a top wall is arranged at the top end, a filter cavity is arranged in the filter cartridge, and an air outlet hole is formed in the top wall of the filter cartridge; the filter screen plate is arranged at the bottom of the filter cavity and can rotate along the circumferential direction in the filter cartridge; the filter cup is positioned in the filter cavity, a filter wall is arranged in the filter cup, and the filter wall encloses a cavity with a closed bottom end and a top end communicated with the air outlet; the gas gathering adsorption block is arranged in the filtering cavity and surrounds the periphery of the filtering wall, and the gas gathering adsorption block and the filtering cup are both positioned above the filtering screen plate. The invention can filter fine particle impurities in the air, thereby reducing the possible advantage that a small amount of particle impurities can enter the engine, and solving the problem that the engine is damaged due to the condition that the particle impurities penetrate through the filter paper and are sucked into the engine.
Description
Technical Field
The invention relates to a multistage air filter of an automobile, and belongs to the technical field of automobile maintenance accessories.
Background
At present, a large amount of air needs to be sucked in an engine in the working process, and if the air is not filtered, dust suspended in the air is sucked into a cylinder, so that the abrasion of a piston group and the cylinder is accelerated. Larger particles enter between the piston and the cylinder, causing severe "scuffing" phenomena, which is particularly severe in dry, sandy working environments. The air filter is installed in front of the carburetor or the air inlet pipe, plays a role in filtering dust and sand in the air and ensures that sufficient and clean air enters the air cylinder.
At present, automobiles in daily life are very popular, fuel oil combustion needs a large amount of air in the process of starting an automobile engine, and the conventional automobile air filter has a simple structure and is composed of a single layer of filter paper and an iron net, so that although the air filter can filter particulate impurities in air, the filter net and the filter paper can be blocked after the accumulated particulate impurities are excessive, the exhaust quantity of the air filter is reduced, the engine is stalled, and the condition that the particulate impurities permeate the filter paper to be sucked into the engine can occur, so that the engine can be damaged.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a multistage air filter for an automobile, which has the advantages of filtering fine particle impurities in air so as to reduce the possibility that a small amount of particle impurities enter an engine and solve the problem that the particle impurities are sucked into the engine through filter paper so as to damage the engine.
In order to solve the technical problems, the technical scheme of the invention is as follows: an automotive multistage air filter comprising:
the filter cartridge is a cartridge type structure with an opening at the bottom end, a top wall at the top end and a filter cavity arranged inside, and the top wall of the filter cartridge is provided with an air outlet;
the filter screen plate is arranged at the bottom of the filter cavity and can rotate along the circumferential direction of the filter screen plate in the filter cartridge;
the filter cup is positioned in the filter cavity, a filter wall is arranged in the filter cup, the filter wall is enclosed into a cavity, the bottom end of the cavity is closed, and the top end of the cavity is communicated with the air outlet;
gather the gas adsorption piece, gather the gas adsorption piece and install in filtering the intracavity, and encircle and be in filter wall's periphery, gather the gas adsorption piece with the filter cup all is located filter screen plate's top, filter wall with gather and be formed with an air guide channel who will follow the leading-in air guide filter wall in its bottom between the gas adsorption piece.
The filter cartridge is characterized in that a structure for effectively supporting the filter screen plate on the filter cartridge is further provided, and the phenomenon that particle impurities in air can enter the filter cartridge from a gap between the filter screen plate and the filter cartridge is avoided.
Further in order to prevent air from being subjected to resistance at the bottom of the clamping block when entering the filter cartridge, the inner wall of the filter cartridge forming the filter cavity is further provided with an air guide ring, an air guide hole gradually contracting from the bottom to the top is formed in the air guide ring, and the clamping block is connected to the top end of the air guide ring.
Further, the multistage automotive air filter further comprises a filter screen plate rotation connection assembly connected between an inner wall of the filter cartridge forming the filter chamber and a central portion of the filter screen plate so as to rotate the filter screen plate around the central portion.
Further, the rotary connecting assembly of the filter screen plate comprises a rack rod, a fixed cylinder and a rotating rod, wherein the rack rod is connected to the inner wall of the filter chamber formed by the filter cartridge, the fixed cylinder is connected to the rack rod, the rotating rod is rotatably connected to the fixed cylinder, and the rotating rod is connected with the central part of the filter screen plate.
Further in order to avoid the rotation resistance of the filter screen plate, a plurality of steel balls are arranged between the rotating rod and the fixed cylinder, and the rotating rod is rotatably connected to the fixed cylinder through the steel balls.
Further, in order to clamp the rotating rod, the rotating rod cannot be separated from the fixed cylinder, meanwhile, the rotation resistance of the filter screen plate is better reduced, a limiting block is arranged at the bottom of the fixed cylinder, a clamping block is arranged at the top end of the rotating rod, the top of the rotating rod extends into the fixed cylinder, one part of steel balls are contained in a space defined by the inner wall of the fixed cylinder, the outer wall of the rotating rod, the lower wall of the clamping block and the upper wall of the limiting block, and the other part of steel balls are arranged in a space defined by the outer wall of the fixed cylinder, the top wall of the fixed cylinder and the upper wall of the clamping block.
The specific structure of the filter cup is further provided, and the filter wall of the filter cup sequentially comprises a filter paper interlayer, a dust filter cloth layer and an air diffusion layer from the outside to the inside of the cavity.
Further in order to seal the bottom of the cavity and enable air to well enter the air guide channel, an isolation layer is arranged at the bottom of the filter cup, the bottom end of the cavity is sealed through the isolation layer, and a conical air cutting block is arranged on the isolation layer.
Further, gather gas adsorption block and be the gas trap hole that contracts form gradually to the top by the bottom, the filter wall is located gather the gas hole.
Furthermore, the gas gathering adsorption block is provided with a fine groove extending from the bottom to the top on the inner wall surface forming the gas gathering hole.
After the technical scheme is adopted, the air can be filtered for the first time by arranging the filter screen plate, the filter screen plate can drive the filter screen plate to rotate when the air enters the filter screen plate during air filtering, so that the density of particle magazines in the air filtered by the filter screen plate is increased, the exhaust volume of the air filter is increased, and by arranging the gas gathering adsorption block and the filter cup to be matched, when the air does not enter the filter cup, part of particle impurities are firstly filtered on the inner wall of the gas gathering adsorption block, and fine particle impurities in the air are finely filtered by the filter cup, so that the possibility that a small amount of particle impurities can enter the engine is reduced.
Drawings
FIG. 1 is a schematic structural view of a multistage automotive air filter according to the present invention;
FIG. 2 is an enlarged view of part A of the present invention;
FIG. 3 is a perspective view of a filter cup of the present invention;
fig. 4 is a perspective view of the gas trapping adsorption block of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1 to 4, a multistage air filter for an automobile includes:
the filter cartridge 1 is a cartridge type structure with an opening at the bottom end, a top wall at the top end and a filter cavity arranged inside, and the top wall of the filter cartridge 1 is provided with an air outlet 15; the air filtered with impurities is discharged into the automobile engine through the air outlet 15.
The filter screen plate 8 is arranged at the bottom of the filter cavity, and the filter screen plate 8 can rotate along the circumferential direction of the filter cartridge 1;
the filter cup 11 is positioned in the filter cavity, a filter wall is arranged in the filter cup 11, the filter wall encloses a cavity with a closed bottom end and a top end communicated with the air outlet 15; the axial center of the air outlet 15 can be located right above the axial center of the cavity.
And the gas gathering adsorption block 14 is arranged in the filter cavity and surrounds the periphery of the filter wall, the gas gathering adsorption block 14 and the filter cup 11 are both positioned above the filter screen plate 8, and an air guide channel for guiding air introduced from the bottom of the filter wall to the filter wall is formed between the filter wall and the gas gathering adsorption block 14.
As shown in fig. 1, the filter cartridge 1 is provided with a clamping block 9 for slidably supporting a filter screen plate 8 on an inner wall forming a filter chamber, and an outer end portion of the filter screen plate 8 is located in a clamping groove of the clamping block 9. Because the outer end part of the filter screen plate 8 is positioned in the clamping groove on the side surface of the clamping block 9, no gap exists between the surface of the filter screen plate 8 and the inner wall of the filter cartridge 1, and the phenomenon that particle impurities in the air enter the filter cartridge 1 from the gap between the filter screen plate 8 and the filter cartridge 1 is avoided.
As shown in fig. 1, the inner wall of the filter cartridge 1 forming the filter cavity is further provided with an air guide ring 10, the air guide ring 10 is internally provided with an air guide hole gradually contracting from the bottom to the top, and the clamping block 9 is connected to the top end of the air guide ring 10. The air ring 10 is arranged so that air does not get into the filter cartridge 1 against the bottom of the clamping block 9.
As shown in fig. 1, the multistage air filter for vehicles further includes a filter screen plate rotation connection assembly connected between an inner wall of the filter cartridge 1 forming the filter chamber and a central portion of the filter screen plate 8 so as to rotate the filter screen plate 8 about the central portion.
As shown in fig. 1, the filter screen plate rotating connection assembly includes a frame rod 2, a fixed cylinder 3 and a rotating rod 5, the frame rod 2 is connected to the inner wall of the filter cartridge 1 forming the filter chamber, the fixed cylinder 3 is connected to the frame rod 2, the rotating rod 5 is rotatably connected to the fixed cylinder 3, and the rotating rod 5 is connected to the center of the filter screen plate 8.
As shown in fig. 2, a plurality of steel balls 7 are disposed between the rotating rod 5 and the fixed cylinder 3, and the rotating rod 5 is rotatably connected to the fixed cylinder 3 through the steel balls 7.
As shown in fig. 2, the bottom of the fixed cylinder 3 is provided with a limiting block 4, the top end of the rotating rod 5 is provided with a fixture block 6, the top of the rotating rod 5 extends into the fixed cylinder 3, one part of the steel balls 7 is accommodated in a space surrounded by the inner wall of the fixed cylinder 3, the outer wall of the rotating rod 5, the lower wall of the fixture block 6 and the upper wall of the limiting block 4, and the other part of the steel balls 7 is arranged in a space surrounded by the outer wall of the fixed cylinder 3, the top wall of the fixed cylinder 3 and the upper wall of the fixture block 6; the fixture block 6 is matched with the limiting block 4 to prevent the rotating rod 5 from being separated from the fixed cylinder 3; the number of the steel balls 7 is not less than nine; in this embodiment, nine steel balls 7 are provided, 5 steel balls 7 are provided in a space defined by the outer wall of the fixed cylinder 3, the top wall of the fixed cylinder 3, and the upper wall of the latch 6, and the rest of the steel balls 7 are located in the other space. When air enters the filter cartridge 1 and passes through the through holes on the filter screen plate 8, the rotating rod 5 is easy to rotate when external force is applied due to the matching use between the rotating rod 5 and the steel balls 7, so that the filter screen plate 8 is rotated by wind power caused by air transmission;
as shown in fig. 3, the filtering wall of the filtering cup 11 sequentially comprises a filter paper interlayer 111, a dust filtering cloth layer 112 and an air diffusion layer 113 from outside to inside; the dust is adhered by the filter paper interlayer 111, the fine dust is blocked outside the dust filtering cloth layer 112 by the dust filtering cloth layer 112, and finally the air is discharged by the air diffusion layer 113.
As shown in fig. 1, an isolation layer 12 is arranged at the bottom of the filter cup 11, the bottom end of the cavity is sealed by the isolation layer 12, and a conical air cutting block 13 is arranged on the isolation layer 12; the isolation layer 12 prevents the air entering the filter cup 11 from leaking, the bottom of the isolation layer 12 is fixedly connected with the bottom of the conical air cutting block 13, and the conical air cutting block 13 reduces the resistance of the air entering the air gathering adsorption block 14.
As shown in fig. 1, the gas gathering adsorption block 14 is provided with a gas gathering hole which gradually shrinks from the bottom to the top, and the filtering wall is located in the gas gathering hole; the gas gathering adsorption block 14 is arranged to adsorb a part of particle impurities in the air on the gas gathering adsorption block 14 before the air is conveyed into the filter cup 11 after gathering.
As shown in fig. 4, the gas trap adsorption block 14 has a fine groove 141 extending from the bottom to the top on the inner wall surface forming the gas trap hole.
When the filter cartridge is used, when air enters the filter cartridge 1, the filter screen plate 8 is rotated by wind power caused by air transmission, so that the air displacement of the air filter is increased, when the air enters the inner cavity of the gas gathering adsorption block 14, partial particle impurities in the air can be adsorbed on the gas gathering adsorption block 14 before being conveyed into the filter cup 11 after being gathered, the air is completely filtered through the filter cup 11, and the air after being filtered by the impurities is discharged into an automobile engine through the air outlet 15.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A multistage air filter for automobiles is characterized by comprising:
the filter cartridge (1) is of a cartridge type structure with an opening at the bottom end, a top wall at the top end and a filter cavity arranged inside, and the top wall of the filter cartridge (1) is provided with an air outlet (15);
the filter screen plate (8) is arranged at the bottom of the filter cavity, and the filter screen plate (8) can rotate along the circumferential direction of the filter cartridge (1);
the filter cup (11) is positioned in the filter cavity, a filter wall is arranged in the filter cup (11), the filter wall encloses a cavity with a closed bottom end and a top end communicated with the air outlet (15);
the gas gathering adsorption block (14) is installed in the filtering cavity and surrounds the periphery of the filtering wall, the gas gathering adsorption block (14) and the filtering cup (11) are both positioned above the filtering screen plate (8), and an air guide channel for guiding air introduced from the bottom of the filtering wall to the filtering wall is formed between the filtering wall and the gas gathering adsorption block (14).
2. The automotive multistage air filter according to claim 1, characterized in that: the filter cartridge (1) is provided with a clamping block (9) for slidably supporting a filter screen plate (8) on the inner wall forming a filter cavity, and the outer end part of the filter screen plate (8) is positioned in a clamping groove of the clamping block (9).
3. The automotive multistage air filter according to claim 2, characterized in that: the filter cartridge (1) is further provided with an air guide ring (10) on the inner wall forming the filter cavity, air guide holes gradually contracting from the bottom to the top are formed in the air guide ring (10), and the clamping block (9) is connected to the top end of the air guide ring (10).
4. The automotive multistage air filter according to claim 1, characterized in that: the filter screen plate rotating and connecting assembly is connected between the inner wall of the filter cartridge (1) forming a filter cavity and the central part of the filter screen plate (8) so as to enable the filter screen plate (8) to rotate around the central part.
5. The automotive multistage air filter according to claim 4, characterized in that: the rotary connecting assembly of the filter screen plate comprises a rack rod (2), a fixed cylinder (3) and a rotating rod (5), wherein the rack rod (2) is connected to the inner wall of a filter cavity formed by the filter cartridge (1), the fixed cylinder (3) is connected to the rack rod (2), the rotating rod (5) is rotatably connected to the fixed cylinder (3), and the rotating rod (5) is connected to the central part of the filter screen plate (8).
6. The automotive multistage air filter according to claim 5, characterized in that: a plurality of steel balls (7) are arranged between the rotating rod (5) and the fixed cylinder (3), and the rotating rod (5) is rotatably connected to the fixed cylinder (3) through the steel balls (7).
7. The automotive multistage air filter according to claim 6, characterized in that: the bottom of the fixed cylinder (3) is provided with a limiting block (4), the top end of the rotating rod (5) is provided with a clamping block (6), the top of the rotating rod (5) extends into the fixed cylinder (3), one part of steel balls (7) are accommodated in a space defined by the inner wall of the fixed cylinder (3), the outer wall of the rotating rod (5), the lower wall of the clamping block (6) and the upper wall of the limiting block (4), and the other part of steel balls (7) are arranged in a space defined by the side wall of the fixed cylinder (3), the top wall of the fixed cylinder (3) and the upper wall of the clamping block (6).
8. The automotive multistage air filter according to claim 1, characterized in that: the filtering wall of the filtering cup (11) sequentially comprises a filter paper interlayer (111), a dust filtering cloth layer (112) and an air diffusion layer (113) from outside to inside the cavity.
9. The automotive multistage air filter according to claim 1, characterized in that: the bottom of the filter cup (11) is provided with an isolation layer (12), the bottom end of the cavity is sealed through the isolation layer (12), and the isolation layer (12) is provided with a conical degassing block (13).
10. The automotive multistage air filter according to claim 1, characterized in that: gather gas adsorption block (14) and be the gas trap hole that is the form of contracting gradually by the bottom to the top, filter the wall and be located gather in the gas trap hole.
11. The automotive multistage air filter according to claim 10, characterized in that: the gas gathering adsorption block (14) is provided with a fine groove (141) extending from the bottom to the top on the inner wall surface forming the gas gathering hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710281948.2A CN106870220B (en) | 2017-04-26 | 2017-04-26 | Multistage air filtering filter for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710281948.2A CN106870220B (en) | 2017-04-26 | 2017-04-26 | Multistage air filtering filter for automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106870220A CN106870220A (en) | 2017-06-20 |
| CN106870220B true CN106870220B (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710281948.2A Active CN106870220B (en) | 2017-04-26 | 2017-04-26 | Multistage air filtering filter for automobile |
Country Status (1)
| Country | Link |
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| CN (1) | CN106870220B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075995A (en) * | 2022-06-09 | 2022-09-20 | 广州加立多信息技术有限公司 | Multi-applicability air filter for automobile engine |
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| Publication number | Publication date |
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| CN106870220A (en) | 2017-06-20 |
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