CN1763362B - Centrifugal type air filter - Google Patents
Centrifugal type air filter Download PDFInfo
- Publication number
- CN1763362B CN1763362B CN2005101031987A CN200510103198A CN1763362B CN 1763362 B CN1763362 B CN 1763362B CN 2005101031987 A CN2005101031987 A CN 2005101031987A CN 200510103198 A CN200510103198 A CN 200510103198A CN 1763362 B CN1763362 B CN 1763362B
- Authority
- CN
- China
- Prior art keywords
- outer pipe
- base plate
- sealing surface
- sealed member
- inner member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- F02M35/022—Air cleaners acting by gravity, by centrifugal, or by other inertial forces, e.g. with moistened walls
- F02M35/0223—Air cleaners acting by gravity, by centrifugal, or by other inertial forces, e.g. with moistened walls by centrifugal forces, e.g. cyclones
-
- 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
- F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
- F02M35/164—Heavy duty vehicles, e.g. trucks, trains, agricultural or construction machines
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)
- Component Parts Of Construction Machinery (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Exhaust Silencers (AREA)
Abstract
The present invention provides a centrifugal air cleaner capable of restraining dusts in a body from flowing out of an outlet tube along with vibrations given to the body. An outer element 17 and an inner element 18 are arranged in the body 10 to form a filter element. The air cleaner comprises a first seal member 20 for sealing an end part of the outer element 17 positioned on the outlet tube 13 side and a second seal member 22 for sealing an end part of the inner element 18 positioned on the outlet tube 13 side as well as a regulating means for regulating movements of the inner element 18. The regulating means is, for example, provided inside the body 10 and composed of an inwardly extended part 24 successively arranged on a step part of the outlet tube 13.
Description
Technical field
The present invention relates to a kind of centrifugal type air filter that is equipped in the hydraulic shovel and has filter element at internal body.
Background technique
As this type of conventional art, the technology shown in the patent documentation 1 is arranged.The structure of the conventional art is, has the inlet duct that imports air at the peripheral part of body, has the outer pipe that flows out cleaned air passes in the bottom of body, takes in the filter element that purifies air in the inside of body.Be pasted with circular sealed member on the end of outer pipe one side of filter element, the sealing parts contact with the base plate that forms organism bottom.That is, between the end of filter element and base plate, do not produce sealing with gap by sealed member.
Described conventional art, be that 1 filter element is accommodated in the body, but as the centrifugal type air filter that for example is equipped in the hydraulic shovel, the air of supply engine is purified, have from known technology in the past, in body, be provided with the outer member that forms filter cell and be arranged at the filter of these 2 elements of inner member of the other filter element of the formation of this outer member inboard.
Inner member one end is pasted with sealed member by supporting units support on the other end, the sealed member of this stickup is to push this inner member with the base plate state of contact that forms the bottom.
Like this, in body, possess in the conventional art of outer member and inner member, mainly carry out to import air-filtering in the body by outer member.In addition, in order to clean this outer member etc. outer member to be pulled down, prevented to be contained in the air and the dust that is stored in the body flows out from outer pipe by inner member, that is, prevented to starting pusher side to invade (with reference to patent documentation 1-Japanese kokai publication hei 7-269427 communique).
As mentioned above, as the filter that outer member and inner member are set in body, owing to be accompanied by the driving of the travelling of hydraulic shovel, rotation, Work machine, apply bigger vibration to body continually, the inboard, the end that particularly are arranged on outer member are rocked easily by the inner member of supporting units support.Be accompanied by this and rock, the end that is pasted with the inner member of sealed member can be moved significantly.So bigger when mobile, might and form between the base plate of organism bottom at sealed member and produce the gap, the dust that is stored in organism bottom can flow out to the outer pipe direction.That is, in body, be provided with in the conventional art of outer member and inner member, have the air that flows out from outer pipe the purifying property deterioration may.
Summary of the invention
The present invention is that the actual state according to described conventional art proposes, and its purpose is to provide a kind of centrifugal type air filter of flowing out from outer pipe along with the dust in the vibration that applies to body, the body of can suppressing.
In order to realize described purpose, centrifugal type air filter of the present invention is, the outer member and the inner member that form filter element are set in body, has the 1st sealed member that seals the described inner member end that is positioned at the outer pipe side simultaneously, be positioned at the 2nd sealed member of the described outer member end of described outer pipe side with sealing, it is characterized in that possessing the limting mechanism that the described inner member of restriction moves.
The present invention of said structure when being accompanied by the vibration that applies to body inner member being rocked, can be suppressed to the amount of movement of inner member the little state of trying one's best by limting mechanism.Like this, the 2nd sealed member part that can remain on sealed inside element end does not produce the state in gap, can guarantee the stable sealability that is produced by the 2nd sealed member.Suppressed to be accompanied by the phenomenon that is applied to the vibration on the body and the dust in the body is flowed out to the outer pipe direction from the 2nd sealed member part.
In addition, the invention is characterized in, in described invention, the bottom of described body is formed by base plate and the described outer pipe that is welded on this base plate, described the 1st sealed member sticks on the described end of described outer member, described the 2nd sealed member sticks on the described end of described inner member, on described base plate, form the 1st sealing surface that contacts with described the 1st sealed member, described outer pipe has stepped part, form the 2nd sealing surface that contacts with the 2nd sealed member on this stepped part, the set positions of the weld part of described base plate and described outer pipe is on the position between described the 1st sealing surface and described the 2nd sealing surface.
The present invention of this structure, even apply vibration to body, also can will be pasted on the 2nd sealed member on the inner member and be formed at sealing reliably between the 2nd sealing surface on the outer pipe stepped part, can suppress dust in the body thus to the outflow of outer pipe.In addition, can not cause harmful effect, can make base plate 14 and outer pipe 13 form one by welding to the sealability that is formed at the 1st sealing surface on the base plate and is formed at the 2nd these both sides of sealing surface on the stepped part of outer pipe.
In addition, the invention is characterized in that in described invention, described limting mechanism is arranged on the inside of described body, constitute by the inboard extension on the described stepped part that is connected in described outer pipe.The present invention of this structure can form inboard extension when manufacturing outer pipe, manufacturing of limting mechanism is simple.
The invention is characterized in, described invention is arranged on the solid of rotation of hydraulic shovel, by by pipeline be formed on described solid of rotation on engine compartment in the device that is connected of the motor that holds constitute.The present invention of this structure can be by the air of the motor supplying clean of pipeline in the engine compartment that is accommodated in solid of rotation.
The present invention can guarantee the stable sealability of the 2nd sealed member part by limited moving of inner member by limting mechanism, has suppressed to be accompanied by the vibration that applies to body, and the dust in the body flows out to the outer pipe direction from the 2nd sealed member part.Thus, always can flow out the air of cleaning, compared with the pastly can improve the air purification performance from outer pipe.
Description of drawings
Fig. 1 is the view of hydraulic shovel that expression has a mode of execution of centrifugal clarifier of the present invention, (a) is plan view, (b) is side view.
Fig. 2 is the view that expression is provided in an embodiment of the present invention in the hydraulic shovel shown in Figure 1, (a) is plan view, (b) is the sectional drawing of the A-A line of figure (a).
Fig. 3 is the major component enlarged view of Fig. 2 (b).
Among the figure: 2-solid of rotation, 6-engine compartment, 7-motor, 8-centrifugal clarifier, the 9-pipeline, 10-body, 11-inlet duct, the 13-outer pipe, 14-base plate, 15-weld part, the 16-dividing plate, 17-exterior part, 18-inner piece, the 19-supporting part, 20-the 1st sealed member, 21-the 1st sealing surface, 22-the 2nd sealed member, 23-the 2nd sealing surface, the inboard extension (limting mechanism) of 24-.
Embodiment
Below, the preferred implementation to centrifugal clarifier of the present invention describes with reference to the accompanying drawings.
Fig. 1 is a view of having showed the hydraulic shovel of a mode of execution that is equipped with centrifugal clarifier of the present invention, (a) is plan view, (b) is side view.
As shown in Figure 1, the hydraulic shovel that present embodiment possesses, but but have runner 1, be arranged at solid of rotation 2 above-below directions on this runner 1 and be connected cantilever 3 above-below directions on this solid of rotation pivotally and be connected arm 4 on this cantilever 3 pivotally, but above-below direction is connected the scraper bowl 5 on this arm 4 pivotally.Constitute the working machine that carries out digging operation by cantilever 3, arm 4, scraper bowl 5.
On solid of rotation 2, have engine compartment 6, in this engine compartment 6, be provided with motor 7.The centrifugal type air filter 8 of present embodiment is to for example device of motor 7 supplying clean airs, is arranged on the solid of rotation, is connected with motor 7 by pipeline 9.
Fig. 2 (a) be plan view for the view of an embodiment of the present invention of having in the hydraulic shovel shown in Figure 1, (b) is the sectional drawing of the A-A line of scheming (a).
Shown in the (a) and (b) of Fig. 2, present embodiment possesses the cylindric body 10 that forms shell, on the peripheral part of this body 10, is provided with the inlet duct 11 and the dust discharger 12 that import air.The bottom of body 10 is formed by the base plate 14 and the outer pipe cylindraceous 13 that are provided with separately mutually, and these base plates 14 become one by welding 15 with outer pipe 13.
The inside of body 10 be provided with and the inner peripheral surface of body 10 between form the dividing plate 16 that air is induced the path, be provided with outer member 17 as filter element in the inboard of this dividing plate 16.Moreover, be provided with inner filter element 18 as other filter element in the inboard of this outer member 17.This inner filter element 18 remains on the outer pipe 13 by supporting part 19.
As shown in Figure 3, the 1st circular sealed member 20 is sticked on the end of outer pipe 13 sides of outer member 17, and the 1st sealing surface 21 on making the 1st sealed member 20 and being formed at base plate 14 contacts.Similarly, the 2nd circular sealed member 22 is also sticked on the end of outer pipe 13 sides of inner member 18, and the 2nd sealing surface that forms on the stepped part on making the 2nd sealed member 22 and being arranged on outer pipe 13 contacts.
In addition, the set positions of the weld part 15 of described base plate 14 and outer pipe 13 is on being formed at the 1st sealing surface 21 on the base plate 14 and being formed at position between the 2nd sealing surface 23 on the stepped part of outer pipe 13.
Present embodiment is provided with the limting mechanism that restricted internal element 18 moves especially, and this limting mechanism for example is arranged on the inside of body 10, is made of the inboard extension 24 on the stepped part that is connected in outer pipe 13.
The present embodiment of this structure imports air from the inlet duct shown in Fig. 2 (b) 11, and the air that the air of this importing forms by inner peripheral surface and dividing plate 16 by body 10 is induced route guidance and passed through outer member 17.During like this by outer member 17, the main air that imports is cleaned.The air that so is cleaned by inner member 18, is cleaned in this inner member 18 again, and flows out from outer pipe 13.The air of the cleaning that flows out from outer pipe 13 is supplied with the motor 7 that is arranged in the engine compartment 6 by pipeline shown in Figure 19.
According to present embodiment, because the operation of the travelling of hydraulic shovel, rotation or working machine applies bigger vibration to body 10, inner member 18 is rocked, and when the end that is positioned at its outer pipe 13 sides will be mobile, the moving of the end of this inner member 18 by inboard extension 24 restrictions of outer pipe 13.That is, the amount of movement of inner member 18 is suppressed to the little state of trying one's best.Thus, stick on the 2nd sealed member 22 on the inner member 18 and can not break away from the 2nd sealing surface on the stepped part that is formed at outer pipe 13, promptly this sticks between the 2nd sealed member 22 on the inner member 18 and the 2nd sealing surface 23 and can not produce the gap, can guarantee the stable sealability that is produced by the 2nd sealed member.Thereby, suppressed to be accompanied by the vibration, the dust in the body that are applied on the body 10 and flowed out to outer pipe 13 directions from the 2nd sealed member 22 parts, the air that always cleans can be supplied with to motor 7 from outer pipe, can guarantee good air purification performance.
In addition, since with the set positions of the weld part 15 of base plate 14 and outer pipe 13 on being formed at the 1st sealing surface 21 on the base plate 14 and being formed at position between the 2nd sealing surface 23 on the stepped part of outer pipe 13, so can not cause harmful effect to the 1st sealing surface 21 and the 2nd sealing surface 23 both sides' sealability, can make these base plates 14 and outer pipe 13 form one by welding, can guarantee stable sealability.
In addition, the inboard extension 24 that is construed as limiting the outer pipe 13 of the limting mechanism that inner member 18 moves can form when manufacturing outer pipe 13.The making of limting mechanism that is present embodiment is simple.
Moreover, in said embodiment, limting mechanism is formed by the inboard extension 24 of outer pipe 13, but the present invention is not limited to this structure, also can on base plate 14, form the inboard extension that restricted internal element 18 moves.
In addition since constitute at said structure middle outlet pipe 13 cylindric, be formed at inboard extension 24 on this outer pipe 13 also form cylindric, but the present invention be not limited to this limting mechanism is formed cylindric.In a word, the shape that can restricted internal element 18 moves is just passable.
Claims (3)
1. centrifugal type air filter, configuration forms the outer member and the inner member of filter element in body, has the 1st sealed member that seals the described outer member end that is positioned at the outer pipe side simultaneously, be positioned at the 2nd sealed member of the described inner member end of described outer pipe side with sealing, it is characterized in that:
Possess the limting mechanism that move the described end of the described inner member of restriction in the outer pipe side of described body,
Described limting mechanism is arranged on the inside of described body, is made of the inboard extension on the stepped part that is connected in described outer pipe.
2. centrifugal type air filter according to claim 1 is characterized in that:
The bottom of described body is formed by base plate and the described outer pipe that is welded on this base plate,
Described the 1st sealed member is sticked on the described end of described outer member, described the 2nd sealed member is sticked on the described end of described inner member,
Form the 1st sealing surface that contacts with described the 1st sealed member on described base plate, described outer pipe has described stepped part, forms the 2nd sealing surface that contacts with the 2nd sealed member on this stepped part,
With the set positions of the weld part of described base plate and described outer pipe on the position between described the 1st sealing surface and described the 2nd sealing surface.
3. centrifugal type air filter according to claim 1 and 2 is characterized in that:
Be arranged on the solid of rotation of hydraulic shovel, by by pipeline be formed at described solid of rotation on engine compartment in the device that is connected of the motor that holds constitute.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-275440 | 2004-09-22 | ||
| JP2004275440 | 2004-09-22 | ||
| JP2004275440A JP4344669B2 (en) | 2004-09-22 | 2004-09-22 | Centrifugal air cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1763362A CN1763362A (en) | 2006-04-26 |
| CN1763362B true CN1763362B (en) | 2010-05-26 |
Family
ID=36231410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005101031987A Expired - Fee Related CN1763362B (en) | 2004-09-22 | 2005-09-20 | Centrifugal type air filter |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4344669B2 (en) |
| KR (1) | KR101090950B1 (en) |
| CN (1) | CN1763362B (en) |
| TW (1) | TW200610887A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018020682A (en) * | 2016-08-04 | 2018-02-08 | トヨタ自動車株式会社 | Vehicle control device |
| CN110469435A (en) * | 2019-09-12 | 2019-11-19 | 中国北方车辆研究所 | Testable armored vehicle air cleaner |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001286715A (en) * | 2000-04-07 | 2001-10-16 | Toyo Element Industry Co Ltd | Filter element and filter apparatus |
| US6652614B2 (en) * | 2000-12-04 | 2003-11-25 | Donaldson Company, Inc. | Filter system; element configuration; and methods |
-
2004
- 2004-09-22 JP JP2004275440A patent/JP4344669B2/en not_active Expired - Fee Related
-
2005
- 2005-09-16 TW TW094131958A patent/TW200610887A/en not_active IP Right Cessation
- 2005-09-20 CN CN2005101031987A patent/CN1763362B/en not_active Expired - Fee Related
- 2005-09-21 KR KR1020050087564A patent/KR101090950B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| TW200610887A (en) | 2006-04-01 |
| JP4344669B2 (en) | 2009-10-14 |
| KR101090950B1 (en) | 2011-12-08 |
| JP2006090183A (en) | 2006-04-06 |
| TWI363135B (en) | 2012-05-01 |
| CN1763362A (en) | 2006-04-26 |
| KR20060051457A (en) | 2006-05-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 |