CN107869413B - Vacuum pump air filter for electric motor coach - Google Patents
Vacuum pump air filter for electric motor coach Download PDFInfo
- Publication number
- CN107869413B CN107869413B CN201711258817.9A CN201711258817A CN107869413B CN 107869413 B CN107869413 B CN 107869413B CN 201711258817 A CN201711258817 A CN 201711258817A CN 107869413 B CN107869413 B CN 107869413B
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- Prior art keywords
- filter
- filter element
- shell
- air
- upper cover
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- 239000000428 dust Substances 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 238000011045 prefiltration Methods 0.000 claims description 50
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 230000008093 supporting effect Effects 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 14
- 239000007787 solid Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 11
- 238000001914 filtration Methods 0.000 abstract description 10
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000008021 deposition Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F02M35/0212—Multiple cleaners
- F02M35/0216—Multiple cleaners arranged in series, e.g. pre- and main filter in series
-
- 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
-
- 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
- F02M35/024—Air cleaners using filters, e.g. moistened
- F02M35/02441—Materials or structure of filter elements, e.g. foams
-
- 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
- F02M35/086—Dust removal by flushing, blasting, pulsating or aspirating flow, washing or the like; Mechanical dust removal, e.g. by using scrapers
-
- 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 a vacuum pump air filter for an electric motor coach, which relates to the technical field of filters and mainly comprises a shell, a filter element, a filter upper cover, a filter lower cover, a dust collection disc, a first sealing element, a second sealing element and the like. The air filter is provided with the pre-filtering device, so that the filtering effect is greatly enhanced, and solid particles contained in air entering the filter are greatly reduced, so that the ash deposition speed on the outer surface of the filter element is greatly reduced, and the smooth circulation of the air is ensured; the dust collection device is arranged outside the filter element, so that the air circulation of the filter element is ensured, the service life of the filter element is greatly prolonged, and the filter element almost does not need to be replaced; the first sealing piece and the second sealing piece are arranged among the upper cover, the shell and the filter element, so that the tightness among the upper cover, the shell, the upper cover and the filter element is greatly improved, and the filtering effect of the filter is ensured.
Description
Technical Field
The invention relates to the technical field of filters, in particular to a vacuum pump air filter for an electric motor coach.
Background
An air cleaner is a device for removing particulate impurities from air. The air filter consists of a filter element and a shell. The main requirements of air cleaners are high filtration efficiency, low flow resistance, and long continuous use without maintenance. The vacuum pump is a main component of the vacuum booster system, and the vacuum pump needs to filter air entering the vacuum pump when in use. The existing air filter element for the vacuum pump has the defects of poor filtering effect and short service life, and after the air filter element is used for a period of time, the air flow resistance can be greatly enhanced due to dust accumulation, so that the vacuum power assisting system is in fault, the maintenance cost is increased, and the safety of a driver and passengers is threatened. How to design a vacuum pump air filter with long service life and good filtering effect for an electric bus is the technical problem to be solved by the invention.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the vacuum pump air filter for the electric motor coach, which has long service life and good filtering effect.
The invention solves the technical problems by the following technical means:
the vacuum pump air filter for the electric motor coach comprises a shell, wherein a filter upper cover is arranged at the upper end of the shell, a filter element is arranged in the shell, the filter element comprises an annular filter element body, a filter element upper cover and a filter element lower cover, and the filter element upper cover and the filter element lower cover are respectively arranged at the upper end and the lower end of the filter element body;
the filter comprises a shell, a filter upper cover and a filter element, wherein a first sealing piece is arranged among the shell, the filter upper cover and the filter element, the first sealing piece comprises a first connecting part, a second connecting part, a horizontal part, a vertical part and an arc-shaped part, a first connecting groove and a second connecting groove are respectively formed in the shell and the filter upper cover, the first connecting part and the second connecting part are respectively arranged in the first connecting groove and the second connecting groove, one end of the horizontal part is connected with the first connecting part, the other end of the horizontal part is connected with the bottom end of the vertical part, the upper end of the vertical part is connected with the arc-shaped part, the arc-shaped part is connected with the second connecting part, the edge of the upper end of the filter element is in arc transition, the inner side of the arc-shaped part is provided with an arc-shaped concave part matched with the edge of the upper end of the filter element, the arc-shaped concave part is clung to the edge of the upper end of the filter element, the horizontal part extends inwards to form a first saddle, the second sealing piece is arranged on the first saddle, and the second sealing piece is clung to the filter element;
the filter element lower cover extends outwards at the joint with the filter element body to form a second saddle, a dust collection device is arranged on the second saddle, the dust collection device comprises an annular dust collection disc, the filter element body is positioned in a round hole of the dust collection disc, the filter element body and the dust collection disc are coaxially arranged, the distance between the outer wall of the filter element body and the inner wall of the dust collection disc is 1-2cm, a dust collection opening is arranged on the inner wall of the dust collection disc, a plurality of air cylinders are arranged at the lower part of the dust collection disc, the bottom ends of the air cylinders are fixed on the second saddle, a connecting port is arranged at the upper part of the dust collection disc, an air duct is arranged on the connecting port, the air duct penetrates through a shell and is connected with an external dust collector, and an air duct fixing sleeve is arranged at the connecting position of the shell and the air duct;
the central point of casing lower extreme is provided with the prefilter cavity, install the prefilter body in the prefilter cavity, the filter lower cover is installed to the lower extreme of prefilter cavity, the prefilter cavity upper cover is installed to the upper end of prefilter cavity, the prefilter cavity upper cover is the network structure.
Preferably, the vacuum pump air filter for the electric motor coach is characterized in that the lower cover of the filter is connected with the prefilter cavity through threads, and a first sealing ring is arranged between the lower cover of the filter and the prefilter cavity.
Preferably, the vacuum pump air filter for the electric bus is characterized in that the prefilter is honeycomb activated carbon.
Preferably, the vacuum pump air filter for the electric bus is characterized in that the air duct fixing sleeve is cylindrical, the air duct penetrates through the air duct fixing sleeve, and a second sealing ring is arranged between the air duct and the air duct fixing sleeve.
Preferably, a third sealing ring is arranged between the upper cover of the vacuum pump air filter and the shell.
Preferably, the vacuum pump air filter for the electric motor coach is characterized in that an air outlet is formed in the upper cover of the filter, and an air inlet is formed in the lower cover of the filter.
Preferably, a vacuum pump air filter for the electric motor coach, wherein a support frame is arranged between the lower end of the filter element and the shell, and the support frame is a tripod.
The invention has the advantages that: (1) the air filter is provided with the prefilter, the air is prefiltered at the air inlet of the filter to filter out large particle solids in the air, and then the air is secondarily filtered through the filter element, so that the filtering effect is greatly enhanced; (2) because a large amount of solid particles are filtered by the prefilter, the solid particles contained in the air entering the filter are greatly reduced, the dust accumulation speed on the outer surface of the filter element is greatly reduced, and the smooth circulation of the air is ensured; (3) the dust collection device is arranged outside the filter element, so that solid particles accumulated on the outer surface of the filter element can be regularly sucked, the air circulation of the filter element is ensured, the service life of the filter element is greatly prolonged, and the filter element is hardly replaced; (4) install first sealing member and second sealing member between upper cover, casing and the filter core for all form bilayer seal structure between upper cover and the casing, between upper cover and the filter core, great improvement the leakproofness between upper cover and casing, upper cover and the filter core, guaranteed the filter effect of filter.
Further, the pre-filter body adopts honeycomb activated carbon, so that the pre-filter body is not easy to block, the circulation of air is ensured, and the influence of overlarge air flow resistance on the operation of the whole vacuum booster system is avoided; meanwhile, the upper cover of the filter is in threaded connection with the prefilter cavity, so that the filter is convenient to install and detach, and the prefilter cavity can be replaced conveniently.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the first seal member of the present invention.
Fig. 3 is a schematic structural view of the dust collection tray of the present invention.
Fig. 4 is a schematic view of the connection between the airway tube and the airway tube holder of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The vacuum pump air filter for the electric motor coach comprises a shell 1, wherein a filter upper cover 2 is arranged at the upper end of the shell 1, a filter element is arranged in the shell 1, the filter element comprises an annular filter element body 3, a filter element upper cover 4 and a filter element lower cover 5, and the filter element upper cover 4 and the filter element lower cover 5 are respectively arranged at the upper end and the lower end of the filter element body 3;
the filter element comprises a shell 1, a filter upper cover 2 and a filter element, wherein a first sealing member 6 is arranged among the shell 1, the filter upper cover 2 and the filter element, the first sealing member 6 comprises a first connecting part 7, a second connecting part 8, a horizontal part 9, a vertical part 10 and an arc-shaped part 11, a first connecting groove 12 and a second connecting groove 13 are respectively arranged on the shell 1 and the filter upper cover 2, the first connecting part 7 and the second connecting part 8 are respectively arranged in the first connecting groove 12 and the second connecting groove 13, one end of the horizontal part 9 is connected with the first connecting part 7, the other end of the horizontal part 9 is connected with the bottom end of the vertical part 10, the upper end of the vertical part 10 is connected with the arc-shaped part 11, the arc-shaped part 11 is connected with the second connecting part 8, the edge of the upper end of the filter element is in arc transition, the inner side of the arc-shaped part 11 is provided with an arc-shaped concave part 14 matched with the edge of the upper end of the filter element, the arc-shaped concave part 14 is tightly attached to the upper edge of the filter element, the horizontal part 9 extends inwards to form a first supporting table 15 at the joint of the vertical part 10, the first supporting table 15 is tightly attached to the second sealing member 16 is arranged on the filter element;
the filter element lower cover 5 extends outwards at the joint with the filter element body 3 to form a second saddle 17, a dust collection device 18 is arranged on the second saddle 17, the dust collection device 18 comprises an annular dust collection disc 19, the filter element body 3 is positioned in a round hole of the dust collection disc 19, the filter element body 3 and the dust collection disc 19 are coaxially arranged, the distance between the outer wall of the filter element body 3 and the inner wall of the dust collection disc 19 is 1-2cm, a dust collection opening 20 is arranged on the inner wall of the dust collection disc 19, a plurality of air cylinders 21 are arranged at the lower part of the dust collection disc 19, the bottom ends of the air cylinders 21 are fixed on the second saddle 17, a connecting opening 22 is arranged at the upper part of the dust collection disc 19, an air duct 23 is arranged on the connecting opening 22, the air duct 23 penetrates through the shell 1 and is connected with an external dust collector 24, and an air duct fixing sleeve 25 is arranged at the joint position of the shell 1 and the air duct 23;
the center position of casing 1 lower extreme is provided with prefilter cavity 26, install prefilter 27 in the prefilter cavity 26, filter lower cover 28 is installed to prefilter cavity 26's lower extreme, prefilter cavity upper cover 29 is installed to prefilter cavity 26's upper end, prefilter cavity upper cover 29 is the network structure.
Air enters a prefilter cavity from a lower cover of the filter, large particle solids in the air are filtered by the prefilter, the prefilter air enters the shell, is filtered again by a filter element in the shell, and is discharged from an upper cover; after the filter is used for a period of time, more dust is accumulated on the outer surface of the filter element, and the dust collection ring is driven to vertically move by the air cylinder to suck the dust on the outer surface of the filter element. The air filter is provided with the prefilter, the air is prefiltered at the air inlet of the filter to filter out large particle solids in the air, and then the air is secondarily filtered through the filter element, so that the filtering effect is greatly enhanced; because a large amount of solid particles are filtered by the prefilter, the solid particles contained in the air entering the filter are greatly reduced, the dust accumulation speed on the outer surface of the filter element is greatly reduced, and the smooth circulation of the air is ensured; the dust collection device is arranged outside the filter element, so that solid particles accumulated on the outer surface of the filter element can be regularly sucked, the air circulation of the filter element is ensured, the service life of the filter element is greatly prolonged, and the filter element is hardly replaced; install first sealing member and second sealing member between upper cover, casing and the filter core for all form bilayer seal structure between upper cover and the casing, between upper cover and the filter core, great improvement the leakproofness between upper cover and casing, upper cover and the filter core, guaranteed the filter effect of filter.
Preferably, the filter lower cover 28 is connected with the prefilter cavity 26 through threads, and a first sealing ring 30 is arranged between the filter lower cover 28 and the prefilter cavity 26; the prefilter 27 is a honeycomb activated carbon.
The pre-filter body adopts honeycomb activated carbon, is not easy to block, is beneficial to ensuring the circulation of air and avoiding the influence of overlarge air flow resistance on the operation of the whole vacuum booster system; meanwhile, the upper cover of the filter is in threaded connection with the prefilter cavity, so that the filter is convenient to install and detach, and the prefilter cavity can be replaced conveniently.
Preferably, the air duct fixing sleeve 25 is cylindrical, the air duct 23 passes through the air duct fixing sleeve 25, and a second sealing ring 31 is installed between the air duct 23 and the air duct fixing sleeve 25.
The cylindrical air duct fixing sleeve is matched with the second sealing ring to fix the air duct, meanwhile, the air duct can be protected, the second sealing ring seals the air duct fixing sleeve, and air leakage of the air duct fixing sleeve is prevented.
Preferably, a third sealing ring 32 is installed between the upper cover 2 of the filter and the housing 1.
The third sealing ring can prevent air leakage between the upper cover and the shell.
Preferably, the upper filter cover 2 is provided with an air outlet 33, and the lower filter cover 28 is provided with an air inlet 34.
Air enters the filter from the air inlet to be filtered, and the filtered air is discharged through the air outlet.
Preferably, a supporting frame 35 is installed between the lower end of the filter element and the shell 1, and the supporting frame 35 is a tripod.
The support frame plays a supporting role on the filter element, and the support frame is designed to be a tripod, so that the filter element is firm and stable and has good supporting effect.
(1) The air filter is provided with the prefilter, the air is prefiltered at the air inlet of the filter to filter out large particle solids in the air, and then the air is secondarily filtered through the filter element, so that the filtering effect is greatly enhanced; (2) because a large amount of solid particles are filtered by the prefilter, the solid particles contained in the air entering the filter are greatly reduced, the dust accumulation speed on the outer surface of the filter element is greatly reduced, and the smooth circulation of the air is ensured; (3) the dust collection device is arranged outside the filter element, so that solid particles accumulated on the outer surface of the filter element can be regularly sucked, the air circulation of the filter element is ensured, the service life of the filter element is greatly prolonged, and the filter element is hardly replaced; (4) install first sealing member and second sealing member between upper cover, casing and the filter core for all form bilayer seal structure between upper cover and the casing, between upper cover and the filter core, great improvement the leakproofness between upper cover and casing, upper cover and the filter core, guaranteed the filter effect of filter. Further, the pre-filter body adopts honeycomb activated carbon, so that the pre-filter body is not easy to block, the circulation of air is ensured, and the influence of overlarge air flow resistance on the operation of the whole vacuum booster system is avoided; meanwhile, the upper cover of the filter is in threaded connection with the prefilter cavity, so that the filter is convenient to install and detach, and the prefilter cavity can be replaced conveniently.
It is noted that relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. The utility model provides a vacuum pump air cleaner for [ electric ] motor coach which characterized in that: the filter comprises a shell, wherein a filter upper cover is arranged at the upper end of the shell, a filter element is arranged in the shell, the filter element comprises an annular filter element body, a filter element upper cover and a filter element lower cover, and the filter element upper cover and the filter element lower cover are respectively arranged at the upper end and the lower end of the filter element body;
the filter comprises a shell, a filter upper cover and a filter element, wherein a first sealing piece is arranged among the shell, the filter upper cover and the filter element, the first sealing piece comprises a first connecting part, a second connecting part, a horizontal part, a vertical part and an arc-shaped part, a first connecting groove and a second connecting groove are respectively formed in the shell and the filter upper cover, the first connecting part and the second connecting part are respectively arranged in the first connecting groove and the second connecting groove, one end of the horizontal part is connected with the first connecting part, the other end of the horizontal part is connected with the bottom end of the vertical part, the upper end of the vertical part is connected with the arc-shaped part, the arc-shaped part is connected with the second connecting part, the edge of the upper end of the filter element is in arc transition, the inner side of the arc-shaped part is provided with an arc-shaped concave part matched with the edge of the upper end of the filter element, the arc-shaped concave part is clung to the edge of the upper end of the filter element, the horizontal part extends inwards to form a first saddle, the second sealing piece is arranged on the first saddle, and the second sealing piece is clung to the filter element;
the filter element lower cover extends outwards at the joint with the filter element body to form a second saddle, a dust collection device is arranged on the second saddle, the dust collection device comprises an annular dust collection disc, the filter element body is positioned in a round hole of the dust collection disc, the filter element body and the dust collection disc are coaxially arranged, the distance between the outer wall of the filter element body and the inner wall of the dust collection disc is 1-2cm, a dust collection opening is arranged on the inner wall of the dust collection disc, a plurality of air cylinders are arranged at the lower part of the dust collection disc, the bottom ends of the air cylinders are fixed on the second saddle, a connecting port is arranged at the upper part of the dust collection disc, an air duct is arranged on the connecting port, the air duct penetrates through a shell and is connected with an external dust collector, and an air duct fixing sleeve is arranged at the connecting position of the shell and the air duct;
the central position of the lower end of the shell is provided with a prefilter cavity, a prefilter body is arranged in the prefilter cavity, the lower end of the prefilter cavity is provided with a filter lower cover, the upper end of the prefilter cavity is provided with a prefilter cavity upper cover, and the prefilter cavity upper cover is of a net structure;
the filter lower cover is connected with the prefilter cavity through threads, and a first sealing ring is arranged between the filter lower cover and the prefilter cavity;
the air duct fixing sleeve is cylindrical, the air duct passes through the air duct fixing sleeve, and a second sealing ring is arranged between the air duct and the air duct fixing sleeve;
and a third sealing ring is arranged between the upper cover of the filter and the shell.
2. The vacuum pump air cleaner for electric motor coach as claimed in claim 1, wherein: the prefilter is honeycomb activated carbon.
3. The vacuum pump air cleaner for electric motor coach as claimed in claim 1, wherein: the upper cover of the filter is provided with an air outlet, and the lower cover of the filter is provided with an air inlet.
4. The vacuum pump air cleaner for electric motor coach as claimed in claim 1, wherein: a supporting frame is arranged between the lower end of the filter element and the shell, and the supporting frame is a tripod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711258817.9A CN107869413B (en) | 2017-12-04 | 2017-12-04 | Vacuum pump air filter for electric motor coach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711258817.9A CN107869413B (en) | 2017-12-04 | 2017-12-04 | Vacuum pump air filter for electric motor coach |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107869413A CN107869413A (en) | 2018-04-03 |
| CN107869413B true CN107869413B (en) | 2024-02-20 |
Family
ID=61755123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711258817.9A Active CN107869413B (en) | 2017-12-04 | 2017-12-04 | Vacuum pump air filter for electric motor coach |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107869413B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630326B (en) * | 2017-10-06 | 2021-10-01 | 山东泰全重型汽车配件股份有限公司 | Novel air filter |
| CN108775270A (en) * | 2018-08-13 | 2018-11-09 | 安徽工程大学 | A kind of centrifugal self-cleaning air cleaner device and its working method |
| CN109464833A (en) * | 2018-12-29 | 2019-03-15 | 安徽原野滤材有限公司 | A kind of clarifier filter cloth filter core |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014000927A1 (en) * | 2013-02-12 | 2014-08-14 | Mann + Hummel Gmbh | filter element |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010056018A (en) * | 1999-12-14 | 2001-07-04 | 이계안 | Air cleaner structure for vehicles |
| JP2003184669A (en) * | 2001-12-17 | 2003-07-03 | Wako Industrial Co Ltd | Air cleaner |
| CN202031740U (en) * | 2011-04-07 | 2011-11-09 | 浙江吉利汽车研究院有限公司 | Air filter of engine |
| CN104548808A (en) * | 2013-10-14 | 2015-04-29 | 无锡圣鑫科技有限公司 | Air filter with function of automatically cleaning dust |
| CN203717181U (en) * | 2013-12-26 | 2014-07-16 | 北京联飞翔科技股份有限公司 | Air filter core and air filter |
| CN206376951U (en) * | 2016-11-27 | 2017-08-04 | 清远浩和仪器设计有限公司 | A kind of air cleaner of commercial car |
| CN206539433U (en) * | 2017-02-04 | 2017-10-03 | 北汽福田汽车股份有限公司 | Air cleaner and the vehicle with it |
| CN207634205U (en) * | 2017-12-04 | 2018-07-20 | 高博集团有限公司 | A kind of electric motor coach vehicle vacuum pump air cleaner |
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| CN107869413A (en) | 2018-04-03 |
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