CN113357060B - Automobile air filter - Google Patents
Automobile air filter Download PDFInfo
- Publication number
- CN113357060B CN113357060B CN202110876764.7A CN202110876764A CN113357060B CN 113357060 B CN113357060 B CN 113357060B CN 202110876764 A CN202110876764 A CN 202110876764A CN 113357060 B CN113357060 B CN 113357060B
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- Prior art keywords
- filter element
- air
- plate
- boss
- limiting
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- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000446 fuel Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 15
- 239000002245 particle Substances 0.000 description 10
- 239000004071 soot Substances 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
Images
Classifications
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- 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
- F02M35/02458—Materials or structure of filter elements, e.g. foams consisting of multiple layers, e.g. coarse and fine filters; Coatings; Impregnations; Wet or moistened filter elements
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- 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
- F02M35/02416—Fixing, mounting, supporting or arranging filter elements; Filter element cartridges
-
- 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
- F02M35/04—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices
-
- 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
- F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
Abstract
The invention discloses an automobile air filter, which comprises an upper cover body and a lower shell, wherein the lower shell comprises a bottom plate and an annular flange plate, an air outlet hole is formed in the center of the bottom plate, a cylindrical first filter element is arranged on the periphery of the air outlet hole in the top of the bottom plate, a cylindrical second filter element is arranged on the periphery of the first filter element, a plurality of plate sheets are circumferentially arranged on the periphery of the second filter element, the top ends and the bottom ends of the plate sheets are respectively connected with the annular flange plate and the bottom plate, and a gap between every two adjacent plate sheets forms an air inlet channel; the upper cover body comprises a cover plate, a housing and a circular boss, the circular boss is arranged at the bottom of the cover plate, a first clamping groove and a second clamping groove which are correspondingly matched with the top ends of the first filter element and the second filter element are formed on the circular boss, and the housing is arranged at the top of the cover plate; the air filter is provided with the two-layer filtering structure, so that the air filtering effect and efficiency are improved, the filtering area of the two-layer filtering structure is large, the pressure difference is low, the optimal air-fuel ratio of an automobile engine is ensured, and the service life of a filter element in the air filter is effectively prolonged.
Description
Technical Field
The invention relates to an automobile air filter, and belongs to the technical field of automobile air inlet systems.
Background
The automobile air filter is mainly used for removing foreign matters, particle impurities, dust particles and the like in filtered air, when an automobile engine works, if the sucked air contains the impurities such as the dust particles and the like, the abrasion of parts is aggravated, so the air filter is required to be arranged in an air inlet system of an automobile; the traditional air filter is generally composed of a filter element and a shell; the main technical requirements of the air filter are that the air filter has high filtering efficiency and low flow resistance, can be continuously used for a long time and does not need maintenance; the automobile engine is a very precise machine part, and extremely small impurities can damage the engine; therefore, before entering the cylinder, the air must be finely filtered by an air filter before entering the cylinder; the air filter is the guard of the engine, and the condition of the air filter is related to the service life of the engine; if the dirty air filter is used during the running of the automobile, the air intake of the engine is insufficient, the fuel oil is not completely combusted, and the phenomena of unstable working of the engine, power reduction and oil consumption increase are caused; therefore, the automobile must keep the air cleaner clean; however, some current freight cars, muck cars and heavy-duty cars working in mining areas usually run in environments with large dust for a long time, so that filter elements inside the air filter are easily blocked by dust particles and damaged; the air filter has poor filtering effect and has great influence on the normal work of the engine.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides an automobile air filter which has a two-layer filtering structure and is provided with a reverse soot blower, has good air filtering effect, high efficiency, large filtering area and low pressure difference, ensures that an automobile engine keeps the optimal air-fuel ratio, effectively prolongs the service life of a filter element in the air filter, reduces the operation cost, and is very suitable for being used by automobiles running for a long time in a dusty environment.
In order to achieve the above object, the present invention adopts the following technical solutions:
an automobile air filter comprises an upper cover body and a lower shell, wherein the lower shell comprises a bottom plate and an annular flange plate, a plurality of mounting holes are circumferentially arranged on the annular flange plate, an air outlet hole is formed in the center of the bottom plate, an air outlet pipe corresponding to the air outlet hole is arranged at the bottom of the bottom plate, a cylindrical first filter element is arranged on the periphery of the air outlet hole in the top of the bottom plate, a cylindrical second filter element is arranged on the periphery of the first filter element in the top of the bottom plate, a plurality of sheet plates are circumferentially arranged on the periphery of the second filter element, the top ends and the bottom ends of the sheet plates are respectively connected with the annular flange plate and the bottom plate, and a gap between every two adjacent sheet plates forms an air inlet channel; the upper cover body comprises a cover plate, a housing and a circular boss, the circular boss is arranged at the bottom of the cover plate, a first clamping groove and a second clamping groove which are correspondingly matched with the top ends of the first filter element and the second filter element are formed on the circular boss, the housing is arranged at the top of the cover plate, a cavity is formed between the housing and the cover plate, an air distribution pipe is arranged in the cavity, the inlet end of the air distribution pipe is communicated with an air supply pipe, a plurality of air injection pipes are connected onto the air distribution pipe, vertically and downwards penetrate through the cover plate and the circular boss and extend into the lower shell, the air injection pipes are positioned on the inner side of the second filter element and close to the inner side wall of the second filter element, the air injection pipes are uniformly and circumferentially arranged, a plurality of air injection holes are formed in the pipe wall of the air injection pipe facing the second filter element, and the air injection holes are axially arranged along the air injection pipes at equal intervals; a connecting hole correspondingly matched with the mounting hole on the annular flange plate is formed in the cover plate; the cover plate is connected with the annular flange plate through bolts.
As a further preferred aspect of the present invention, an inner ring boss is disposed on the periphery of the air outlet at the top of the bottom plate, an outer ring boss is disposed on the periphery of the inner ring boss, and the bottom end of the first filter element is clamped between the inner ring boss and the outer ring boss; a limiting groove correspondingly matched with the bottom end of the second filter element is formed on the outer ring boss; be used for spacing and fixed the second filter core bottom.
As a further preferred aspect of the present invention, the top of the inner ring boss is vertically provided with a plurality of first limiting rods for limiting the inner side surface of the first filter element, the top of the outer ring boss is vertically provided with a plurality of second limiting rods for limiting the outer side surface of the first filter element, and the circular boss is formed with a first clamping hole and a second clamping hole which are correspondingly matched with the first limiting rod and the second limiting rod; the first filter element can be better limited by the first limiting rod and the second limiting rod, and the first filter element is prevented from deforming in the circumferential direction.
As a further preferable mode of the invention, the side wall of the second filter element is in a wave-shaped structure, and the gas injection pipe is positioned on the inner side of the wave crest position of the side wall of the wave-shaped structure of the second filter element; the wave structure can effectively increase filter area, improves the air flux of second filter core.
As a further preferred aspect of the invention, a first limiting shaft and a second limiting shaft for limiting the second filter element are respectively arranged at two sides of the wave trough position of the wave-shaped structure side wall of the second filter element, the first limiting shaft and the second limiting shaft are vertically arranged at the top of the outer ring boss, and a first shaft hole and a second shaft hole which are correspondingly matched with the first limiting shaft and the second limiting shaft are formed on the circular boss; the first limiting shaft and the second limiting shaft can better limit the second filter element, and the second filter element is prevented from deforming in the circumferential direction.
As a further preferable aspect of the present invention, a sealing gasket is disposed between the cover plate and the annular flange; the sealing device is used for ensuring the sealing performance of the cover plate after the cover plate is connected with the annular flange plate.
As a further preferable mode of the present invention, the plurality of plates are circumferentially arranged in two rings, and the plates located at the outer ring and the plates located at the inner ring are arranged in a staggered manner.
As a further preference of the invention, the outer edge of the plate located in the inner ring is inserted into the gap between two adjacent plates located in the outer ring.
As a further preference of the present invention, the cross-sectional shape of the sheet is an arc; the shape of the air inlet channel is changed, and the sheets such as leaves, plastic bags and the like are prevented from directly passing through the air inlet channel.
As a further preferable mode of the present invention, the curved plate at the outer ring and the curved plate at the inner ring have opposite bending directions; the flow direction of air in the air inlet channel is further changed, certain buffering effect is achieved on flowing air, the air flows into the air inlet channel from the narrow air inlet channel, and due to space change, certain dust settling effect is achieved on dust particles in the air.
The invention has the advantages that:
air firstly flows into the outer side of the second filter element through a gap between two adjacent plate sheets, then flows into a space between the second filter element and the first filter element after being filtered by the second filter element, and then is discharged from the air outlet hole and the air outlet pipe after being filtered by the first filter element; when the automobile engine stops running, compressed air is supplied into the air distribution pipe through the air supply pipe, the compressed air is finally sprayed out from the air spraying hole of the air spraying pipe, reverse air blowing is carried out on the second filter element, dust particles attached to the outer side surface of the second filter element are blown off, and the blown dust particles float outwards through a gap between every two adjacent plate sheets, so that reverse dust blowing treatment on the second filter element is realized; the invention improves the air filtering effect and efficiency by arranging the two-layer filtering structure and the reverse soot blower, ensures that the automobile engine keeps the optimal air-fuel ratio by large filtering area and low pressure difference, effectively prolongs the service life of the filter element in the air filter, reduces the operation cost, and is very suitable for automobiles running for a long time in the environment with larger dust.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view taken along the line A in FIG. 1;
FIG. 3 is an enlarged view of a portion of the structure of FIG. 2;
FIG. 4 is a schematic view of the structure of the upper cover body of the present invention;
FIG. 5 is a schematic bottom view of the structure of FIG. 4;
FIG. 6 is a schematic view of the lower housing structure of the present invention;
FIG. 7 is a schematic top view of the structure of FIG. 6;
the meaning of the reference symbols in the figures:
1-an upper cover body, 2-a lower shell body, 3-an air outlet hole, 4-an air outlet pipe, 5-a first filter element, 6-a second filter element, 7-a plate, 8-an air distribution pipe, 9-an air injection pipe, 10-an air injection hole, 11-a cover plate, 12-a cover shell, 13-a circular boss, 14-an air supply pipe, 15-a first clamping groove, 16-a second clamping groove, 17-a first clamping hole, 18-a second clamping hole, 19-a connecting hole, 20-a mounting hole, 21-a bottom plate, 22-an annular flange plate, 23-a fixing hole, 24-an inner ring boss, 25-an outer ring boss, 26-a limiting groove, 27-a first limiting rod, 28-a second limiting rod, 29-a first limiting shaft, 30-a second limiting shaft, 31-a first shaft hole and 32-a second shaft hole.
Detailed Description
The invention is described in detail below with reference to the figures and the embodiments.
As shown in fig. 1-7, the present embodiment is an automotive air cleaner, including an upper cover 1 and a lower housing 2, where the lower housing 2 includes a bottom plate 21 and an annular flange 22, the annular flange 22 is circumferentially provided with a plurality of mounting holes 20, the outer edge of the bottom plate 21 is provided with a plurality of fixing holes 23 for connecting with external devices, the center of the bottom plate 21 is formed with an air outlet hole 3, the bottom of the bottom plate 21 is provided with an air outlet pipe 4 corresponding to the air outlet hole 3, the periphery of the air outlet hole 3 at the top of the bottom plate 21 is provided with a cylindrical first filter element 5, the periphery of the first filter element 5 at the top of the bottom plate 21 is provided with a cylindrical second filter element 6, the periphery of the second filter element 6 is circumferentially provided with a plurality of plates 7, the top ends and the bottom ends of the plates 7 are respectively connected with the annular flange 22 and the bottom plate 21, and a gap between two adjacent plates 7 forms an air inlet channel; the upper cover body 1 comprises a cover plate 11, a cover shell 12 and a circular boss 13, the circular boss 13 is arranged at the bottom of the cover plate 11, a first clamping groove 15 and a second clamping groove 16 which are correspondingly matched with the top ends of the first filter element 5 and the second filter element 6 are formed on the circular boss 13, the cover shell 12 is arranged at the top of the cover plate 11, a cavity is formed between the cover shell 12 and the cover plate 11, a gas distribution pipe 8 is arranged in the cavity, the inlet end of the gas distribution pipe 8 is communicated with a gas supply pipe 14, the gas distribution pipe 8 is connected with a plurality of gas nozzles 9, the plurality of gas nozzles 9 vertically penetrate through the cover plate 11 and the circular boss 13 downwards and extend into the lower shell 2, the plurality of gas nozzles 9 are positioned at the inner side of the second filter element 6 and close to the inner side wall of the second filter element 6, the plurality of gas nozzles 9 are uniformly and circumferentially arranged, a plurality of gas injection holes 10 are formed in the pipe wall of the gas nozzles 9 facing the second filter element 6, and the plurality of gas injection holes 10 are axially arranged at equal intervals along the gas nozzles 9; a connecting hole 19 correspondingly matched with the mounting hole 20 on the annular flange 22 is formed on the cover plate 11; the cover plate 11 is connected with the annular flange 22 through bolts; a sealing gasket is arranged between the cover plate 11 and the annular flange plate 22; to ensure the sealing performance after the cover plate 11 is connected with the ring flange 22.
In the embodiment, an inner ring boss 24 is arranged on the periphery of the air outlet hole 3 at the top of the bottom plate 21, an outer ring boss 25 is arranged on the periphery of the inner ring boss 24, and the bottom end of the first filter element 5 is clamped between the inner ring boss 24 and the outer ring boss 25; a limiting groove 26 correspondingly matched with the bottom end of the second filter element 6 is formed on the outer ring boss 25; used for limiting and fixing the bottom end of the second filter element 6.
In the embodiment, a plurality of first limiting rods 27 for limiting the inner side surface of the first filter element 5 are vertically arranged at the top of the inner ring boss 24, a plurality of second limiting rods 28 for limiting the outer side surface of the first filter element 5 are vertically arranged at the top of the outer ring boss 25, and a first clamping hole 17 and a second clamping hole 18 which are correspondingly matched with the first limiting rods 27 and the second limiting rods 28 are formed on the circular boss 13; the first limiting rod 27 and the second limiting rod 28 can better limit the first filter element 5 and prevent the first filter element 5 from deforming in the circumferential direction.
In the embodiment, the side wall of the second filter element 6 is in a wave-shaped structure, and the gas injection pipe 9 is positioned at the inner side of the wave crest position of the side wall of the wave-shaped structure of the second filter element 6; the wave-shaped structure can effectively increase the filtering area and improve the air flux of the second filter element 6; a first limiting shaft 29 and a second limiting shaft 30 for limiting the second filter element 6 are respectively arranged on two sides of a wave trough position of the side wall of the wave-shaped structure of the second filter element 6, the first limiting shaft 29 and the second limiting shaft 30 are vertically arranged on the top of the outer ring boss 25, and a first shaft hole 31 and a second shaft hole 32 which are correspondingly matched with the first limiting shaft 29 and the second limiting shaft 30 are formed on the circular boss 13; the first limiting shaft 29 and the second limiting shaft 30 can better limit the second filter element 6, and the second filter element 6 is prevented from deforming in the circumferential direction.
In the embodiment, the plurality of sheets 7 are circumferentially arranged in two circles, and the sheets 7 positioned on the outer circle and the sheets 7 positioned on the inner circle are arranged in a staggered manner; the outer edge of the plate 7 positioned at the inner ring is inserted into a gap between two adjacent plates 7 positioned at the outer ring; the cross section of the plate 7 is arc-shaped; the shape of the air inlet channel is changed, and the sheets such as leaves, plastic bags and the like are prevented from directly passing through the air inlet channel; the bending directions of the arc-shaped plate 7 positioned on the outer ring and the arc-shaped plate 7 positioned on the inner ring are opposite; the flow direction of air in the air inlet channel is further changed, certain buffering effect is achieved on flowing air, the air flows into the air inlet channel from the narrow air inlet channel, and due to space change, certain dust settling effect is achieved on dust particles in the air.
When the air purifier works, air firstly flows into the outer side of the second filter element 6 through a gap between two adjacent plate sheets 7, then flows between the second filter element 6 and the first filter element 5 after being filtered by the second filter element 6, and then is discharged through the air outlet holes 3 and the air outlet pipe 4 after being filtered by the first filter element 5; when the automobile engine stops running, compressed air is supplied into the air distribution pipe 8 through the air supply pipe 14, the compressed air is finally ejected from the air ejecting holes 10 of the air ejecting pipe 9 to blow air to the second filter element 6 reversely, dust particles attached to the outer side surface of the second filter element 6 are blown off, and the blown dust particles float outwards through a gap between two adjacent plate sheets 7, so that the reverse soot blowing treatment of the second filter element 6 is realized; the invention improves the air filtering effect and efficiency by arranging the two-layer filtering structure and the reverse soot blower, ensures that the automobile engine keeps the optimal air-fuel ratio by large filtering area and low pressure difference, effectively prolongs the service life of the filter element in the air filter, reduces the operation cost, and is very suitable for automobiles running for a long time in the environment with larger dust.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention; furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; can be mechanically or electrically connected; the two elements can be directly connected, indirectly connected through an intermediate medium, or communicated with each other inside; the specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The foregoing shows and describes the general principles, principal features and advantages of the invention; it should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalents or equivalent changes fall within the protection scope of the present invention.
Claims (8)
1. An automobile air filter is characterized by comprising an upper cover body and a lower shell, wherein the lower shell comprises a bottom plate and an annular flange plate, a plurality of mounting holes are circumferentially formed in the annular flange plate, an air outlet hole is formed in the center of the bottom plate, an air outlet pipe corresponding to the air outlet hole is arranged at the bottom of the bottom plate, a cylindrical first filter element is arranged on the periphery of the air outlet hole in the top of the bottom plate, a cylindrical second filter element is arranged on the periphery of the first filter element in the top of the bottom plate, a plurality of sheet pieces are circumferentially arranged on the periphery of the second filter element, the top ends and the bottom ends of the sheet pieces are respectively connected with the annular flange plate and the bottom plate, and a gap between every two adjacent sheet pieces forms an air inlet channel; the upper cover body comprises a cover plate, a cover shell and a circular boss, the circular boss is arranged at the bottom of the cover plate, a first clamping groove and a second clamping groove which are correspondingly matched with the top ends of a first filter element and a second filter element are formed in the circular boss, the cover shell is arranged at the top of the cover plate, a cavity is formed between the cover shell and the cover plate, an air distribution pipe is arranged in the cavity, the inlet end of the air distribution pipe is communicated with an air supply pipe, a plurality of air injection pipes are connected to the air distribution pipe, vertically and downwards penetrate through the cover plate and the circular boss and extend into the lower shell, the air injection pipes are positioned on the inner side of the second filter element and are close to the inner side wall of the second filter element, the air injection pipes are uniformly and circumferentially arranged, a plurality of air injection holes are formed in the pipe wall of the air injection pipe facing the second filter element, and the air injection holes are axially arranged along the air injection pipes at equal intervals; a connecting hole correspondingly matched with the mounting hole on the annular flange plate is formed in the cover plate; the cover plate is connected with the annular flange plate through bolts;
an inner ring boss is arranged on the periphery of the air outlet at the top of the bottom plate, an outer ring boss is arranged on the periphery of the inner ring boss, and the bottom end of the first filter element is clamped between the inner ring boss and the outer ring boss; a limiting groove correspondingly matched with the bottom end of the second filter element is formed on the outer ring boss;
the side wall of the second filter element is of a wave-shaped structure, and the air injection pipe is located on the inner side of the wave crest position of the side wall of the wave-shaped structure of the second filter element.
2. The automobile air filter according to claim 1, wherein a plurality of first limiting rods for limiting the inner side of the first filter element are vertically arranged at the top of the inner ring boss, a plurality of second limiting rods for limiting the outer side of the first filter element are vertically arranged at the top of the outer ring boss, and a first clamping hole and a second clamping hole which are correspondingly matched with the first limiting rod and the second limiting rod are formed in the circular boss.
3. The air cleaner as claimed in claim 1, wherein a first and a second limiting shaft for limiting the second filter element are respectively disposed at two sides of a trough position of the side wall of the wave-shaped structure of the second filter element, the first and the second limiting shaft are vertically mounted on the top of the boss of the outer ring, and a first and a second shaft hole are formed on the circular boss and correspondingly engaged with the first and the second limiting shaft.
4. The automotive air cleaner of claim 1, wherein a sealing gasket is disposed between the cover plate and the annular flange.
5. The automotive air cleaner of claim 1, wherein the plurality of sheets are circumferentially arranged in two circles, and the sheets on the outer circle are staggered with the sheets on the inner circle.
6. The air cleaner as claimed in claim 5, wherein the outer edges of the sheets at the inner periphery are inserted into the gaps between the adjacent sheets at the outer periphery.
7. An automotive air cleaner as defined in claim 5 or 6 in which the cross-sectional shape of the panel is arcuate.
8. The air cleaner as claimed in claim 7, wherein the curved plate at the outer ring is bent in a direction opposite to a direction in which the curved plate at the inner ring is bent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110876764.7A CN113357060B (en) | 2021-07-31 | 2021-07-31 | Automobile air filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110876764.7A CN113357060B (en) | 2021-07-31 | 2021-07-31 | Automobile air filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113357060A CN113357060A (en) | 2021-09-07 |
| CN113357060B true CN113357060B (en) | 2023-02-28 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110876764.7A Active CN113357060B (en) | 2021-07-31 | 2021-07-31 | Automobile air filter |
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| Country | Link |
|---|---|
| CN (1) | CN113357060B (en) |
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Effective date of registration: 20240321 Address after: 233000 East of Courtyard 888 Xingzhong Road, High tech Zone, Bengbu City, Anhui Province Patentee after: Bengbu Delete Automotive Technology Co.,Ltd. Country or region after: Zhong Guo Address before: No. 199, Huayang West Road, Hanjiang District, Yangzhou City, Jiangsu Province, 225000 Patentee before: YANGZHOU POLYTECHNIC INSTITUTE Country or region before: Zhong Guo |