CN110005553A - The taper dust face structure of air cleaner - Google Patents
The taper dust face structure of air cleaner Download PDFInfo
- Publication number
- CN110005553A CN110005553A CN201910448980.4A CN201910448980A CN110005553A CN 110005553 A CN110005553 A CN 110005553A CN 201910448980 A CN201910448980 A CN 201910448980A CN 110005553 A CN110005553 A CN 110005553A
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- Prior art keywords
- cyclone pipe
- dust face
- dust
- air cleaner
- hollow tube
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- 239000000428 dust Substances 0.000 title claims abstract description 167
- 238000009987 spinning Methods 0.000 claims description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 34
- 231100000719 pollutant Toxicity 0.000 abstract description 34
- 239000004576 sand Substances 0.000 abstract description 16
- 230000005484 gravity Effects 0.000 abstract description 15
- 238000000151 deposition Methods 0.000 abstract description 11
- 238000001914 filtration Methods 0.000 description 43
- 238000009434 installation Methods 0.000 description 28
- 239000000306 component Substances 0.000 description 24
- 230000000694 effects Effects 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 9
- 230000008021 deposition Effects 0.000 description 8
- 239000012530 fluid Substances 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 241000237970 Conus <genus> Species 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000004380 ashing Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 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
- F02M35/022—Air cleaners acting by gravity, by centrifugal, or by other inertial forces, e.g. with moistened walls
- F02M35/0226—Air cleaners acting by gravity, by centrifugal, or by other inertial forces, e.g. with moistened walls by gravity or by mass inertia, e.g. labyrinths, deflectors
-
- 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
- F02M35/084—Dust collection chambers or discharge sockets, e.g. chambers fed by gravity or closed by a valve
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cyclones (AREA)
Abstract
The invention discloses a kind of taper dust face structure of air cleaner, cyclone pipe is mounted in the hollow tube of upper cover, and the upper end of hollow tube is provided with taper dust face, and taper dust face is located above cyclone pipe.The present invention corresponds to cyclone pipe setting hollow tube in the same level of upper cover, each hollow tube upper end is provided with small taper dust face, taper dust face is conical dust face structure or pyramid dust face structure, the pollutants such as dust, the grains of sand slide from taper dust face under gravity enters cyclone pipe discharge, without depositing in upper cap upper surface, influence of the object to filter core is avoided pollution.
Description
Technical field
The present invention relates to the air filter field of engine aspirating system, the taper collection of especially a kind of air cleaner
Dirt face structure.
Background technique
Power resources of the engine as vehicle, engineering mechanical device, the superiority and inferiority of gas handling system performance directly influence
The height of the power output performance of engine.The gas handling system of engine is mainly by pre-filtering assembly, admission line, air-filtering
The big component of device three composition.Air cleaner is the core component of engine aspirating system, and main function filters out in air
The pollutants such as dust, sand grains provide clean air for engine.
Air filter for desert is a kind of the pre-filtering assembly of gas handling system, the big component of admission line two to be integrated in one
The common name of the intracorporal air cleaner of shell, the cyclone pipe of pre-filtering assembly is more, therefore air filter for desert can be with
The normal phase is applied on the vehicle that such as mine, sandstone factory, the very big operating condition rugged environment of desert region dust concentration use.
The working principle of air filter for desert are as follows: the air in atmospheric environment is under the driving for starting machine negative pressure from its desert air filter
The air inlet of clear device enters, and by the intracorporal pre-filtering assembly of its shell, carries out by-pass filtration.Containing dust, the grains of sand it is dirtier
Outdoor air generates eddy flow in the cyclone pipe of pre-filtering assembly, and partial size is larger, heavier-weight dust, the grains of sand are from air point
It separates out and；The cleaner air obtained after by-pass filtration successively pass through main filter core inside air cleaner and safety filter element into
Row secondary filtration, partial size is smaller, lighter in weight dust etc. is retained by filter core, finally obtains clean air, pure air from
Its gas outlet is discharged into engine.With the continuous accumulation of working time, the filter paper outer surface of the main filter core of air filter
The quantity of the pollutant of filtering is increasing, and may eventually reach maximum resistance and dust containing capacity that its design allows, i.e. arrival filter core
Service life, just need to replace filter core at this time.
Existing air filter for desert is as shown in Figure 1, to set gradually main filter core 2, pre-filtering from top to bottom in shell 1 total
At 3 and dust cap assembly 5, the upper cover 31 of pre-filtering assembly 3 is equipped with the cyclone pipe 32 of several array arrangements, and 32 lower end of cyclone pipe is stretched
Enter in cyclone pipe sleeve 341,341 lower end of cyclone pipe sleeve is sleeved on the corresponding hole of lower cover 34.The upper surface of upper cover 31 is water
Flat dust face 3100, the pollutants such as dust, grains of sand fallen on horizontal dust face 3100 are unable to fully be transferred to cyclone pipe 32
Inside, and then be discharged from the dust discharge valve 56 of bottom.With the accumulation of working time, the pollution of the deposition on horizontal dust face 3100
Object is increasing, and the outer surface for the main filter core 2 being closer to can be adsorbed under the action of negative pressure, influences the service life of filter core,
The maintenance cycle for shortening air cleaner increases the maintenance cost of air cleaner.
The components such as the cyclone pipe 32 of the pre-filtering assembly 3 of existing air filter for desert, spinning disk 321 are typically only
The vertical luggage of going forward side by side that manufactures is matched.On the one hand, the fit-up gap between each component is more, and leakage point is more, pollution air can from leakage place into
Enter to the inside of pre-filtering assembly 3；On the other hand, between upper cover 31 and cyclone pipe 32, between cyclone pipe sleeve 341 and lower cover 34
Concentricity and verticality it is poor, cause the leakproofness between each component poor, therefore, the pre-filtering efficiency of pre-filtering assembly 3
It is lower.The assembling of each component of existing pre-filtering assembly 3 is manually completed substantially, and the size of spinning disk 321 is small, quantity is more, rotation
Flow 321 is assembled on cyclone pipe 32, needs to expend a large amount of manpowers, and is easy to happen the case where installing dislocation or even neglected loading,
And then the pre-filtering efficiency of pre-filtering assembly 3 is influenced, production and assembly cost are high, and each component has differences, and reduces
Consistency, the stability of product also increase the difficulty that terminal user carries out maintenance to product.As shown in Fig. 2, in eddy flow
32 upper end periphery outwardly convex of pipe has a circle lug boss 320, and boss 3101 is correspondingly provided in upper cover 31, and cyclone pipe 32 passes through convex
Being fitted in upper cover 31 for portion 320 and boss 3101 is played, is between the two clearance fit, the leakproofness at cooperation is poor,
Air is easy to reveal from cooperation place, during the work time, when cyclone pipe 32 is by external force, is easy to happen loosening.
Summary of the invention
The applicant for the horizontal dust face inside above-mentioned existing air filter for desert can not timely ash discharge, cause to filter
The disadvantages of maintenance period of core is short provides a kind of taper dust face structure of structurally reasonable air cleaner, cyclone pipe top
Taper dust face is set, is conducive to timely ash discharge, extends the maintenance cycle of air cleaner.
The technical solution adopted in the present invention is as follows:
A kind of taper dust face structure of air cleaner, cyclone pipe are mounted in the hollow tube of upper cover, the upper end of hollow tube
It is provided with taper dust face, taper dust face is located above cyclone pipe.
As a further improvement of the above technical scheme:
Taper dust face is conical dust face or pyramid dust face.
The present invention corresponds to cyclone pipe setting hollow tube in the same level of upper cover, and each hollow tube upper end is provided with
Small taper dust face, taper dust face are conical dust face structure or pyramid dust face structure, the pollution such as dust, grains of sand
Object slides from taper dust face under gravity enters cyclone pipe discharge, without depositing in upper cap upper surface, avoids dirt
Contaminate influence of the object to filter core.
The top in adjacent conical dust face is connected by V-type complications seamed edge.
The top in adjacent conical dust face connects to forming horizontal seamed edge.
The top in adjacent pyramid dust face of the invention is mutually connected in V-type complications seamed edge, and tortuous seamed edge is gradient, falls in song
The pollutants such as dust, the grains of sand for rolling over seamed edge can slide under the effect of gravity, can gather dust region only pyramid dust face
Vertex avoids pollutant in the deposition of hollow tube upper end.The top in adjacent cone dust face is mutually connected in horizontal seamed edge,
The area that seamed edge can heap dust is small, and the pollutants such as dust, grains of sand are not easy largely to be deposited on hollow tube upper end.
Lower part on cyclone pipe comprising spinning disk is located in cyclone pipe sleeve, and cyclone pipe sleeve is integrated on lower lid, eddy flow
Pipe sleeve cylinder and lower cover are provided with reinforcing rib between the outer surface of adjacent cyclone pipe sleeve by being integrally formed.
Cyclone pipe periphery is integrated with spinning disk, and cyclone pipe and spinning disk pass through integrated molding.
It is integrated in pre-filtering lower cover using the cyclone pipe sleeve of air cleaner of the invention, lower cover and cyclone pipe sleeve
Whole use is integrally formed.After integrating design, installation step is eliminated between cyclone pipe sleeve and lower cover, is avoided
The problem of installation gap between component, saves installation cost, prevents installation dislocation or neglected loading, ensure that between component
Concentricity, verticality requirement, improve component between leakproofness, and then improve pre-filtering efficiency.Cyclone pipe sleeve and lower cover
Whole structural rigidity after Integrated design, cyclone pipe are independent design, ensure that spirit when cyclone pipe fits into cyclone pipe sleeve
Activity avoids crossing when assembly from limiting.Reinforcing rib is provided between adjacent cyclone pipe sleeve, it is ensured that the intensity of component entirety,
Improve the stability and reliability of product.Cyclone pipe and spinning disk eliminate installation step, avoid integrally using being integrally formed
The problem of installation gap between component, saves installation cost, prevents installation dislocation or neglected loading, ensure that component it
Between concentricity, verticality requirement, improve component between leakproofness, and then improve pre-filtering efficiency.
It is equipped with the back-off one of protrusion in the inner wall of hollow tube, after cyclone pipe is inserted into hollow tube, back-off one is outer with cyclone pipe
Cylindrical interference cooperation.
The outer wall of cyclone pipe is equipped with back-off two, and after cyclone pipe is inserted into hollow tube, back-off two and the inner wall interference of hollow tube are matched
It closes；Back-off one is staggered to be arranged with two height of back-off realizes interlocking.
The bottom surface of hollow tube is horizontal plane；Cyclone pipe periphery is provided with a circle positive stop lug boss, and the top surface of positive stop lug boss is water
Plane realizes the limit of vertical direction with the bottom surface of hollow tube.
Back-off, two back-offs point are respectively set on the hollow tube and cyclone pipe of upper cover using air cleaner of the invention
It is not interference fitted with mating surface, it is ensured that the leakproofness between cyclone pipe and upper cover prevents gas from leaking；Two back-offs are locked mutually
Extremely, it is ensured that every cyclone pipe is installed in place, and prevents cyclone pipe from deviating from out of hollow tube hole, makes the installation of cyclone pipe more
Securely.The positive stop lug boss top surface of cyclone pipe is matched with the bottom surface of hollow tube, realizes the limit of vertical direction, prevent cyclone pipe by
Installation is caused to misplace in over-voltage.
Beneficial effects of the present invention are as follows:
The present invention corresponds to cyclone pipe setting hollow tube in the same level of upper cover, and each hollow tube upper end is provided with small-sized
Taper dust face, taper dust face are that conical dust face structure or pyramid dust face structure, the pollutants such as dust, grains of sand exist
It is slid under the action of gravity from taper dust face and enters cyclone pipe discharge, without depositing in upper cap upper surface, avoid pollution object
Influence to filter core.
The top in adjacent pyramid dust face of the invention is mutually connected in V-type complications seamed edge, and tortuous seamed edge is gradient, falls in song
The pollutants such as dust, the grains of sand for rolling over seamed edge can slide under the effect of gravity, can gather dust region only pyramid dust face
Vertex avoids pollutant in the deposition of hollow tube upper end.The top in adjacent cone dust face is mutually connected in horizontal seamed edge,
The area that seamed edge can heap dust is small, and the pollutants such as dust, grains of sand are not easy largely to be deposited on hollow tube upper end.
It is integrated in pre-filtering lower cover using the cyclone pipe sleeve of air cleaner of the invention, lower cover and cyclone pipe sleeve
Whole use is integrally formed.After integrating design, installation step is eliminated between cyclone pipe sleeve and lower cover, is avoided
The problem of installation gap between component, saves installation cost, prevents installation dislocation or neglected loading, ensure that between component
Concentricity, verticality requirement, improve component between leakproofness, and then improve pre-filtering efficiency.Cyclone pipe sleeve and lower cover
Whole structural rigidity after Integrated design, cyclone pipe are independent design, ensure that spirit when cyclone pipe fits into cyclone pipe sleeve
Activity avoids crossing when assembly from limiting.Reinforcing rib is provided between adjacent cyclone pipe sleeve, it is ensured that the intensity of component entirety,
Improve the stability and reliability of product.Cyclone pipe and spinning disk eliminate installation step, avoid integrally using being integrally formed
The problem of installation gap between component, saves installation cost, prevents installation dislocation or neglected loading, ensure that component it
Between concentricity, verticality requirement, improve component between leakproofness, and then improve pre-filtering efficiency.
Back-off, two back-offs point are respectively set on the hollow tube and cyclone pipe of upper cover using air cleaner of the invention
It is not interference fitted with mating surface, it is ensured that the leakproofness between cyclone pipe and upper cover prevents gas from leaking；Two back-offs are locked mutually
Extremely, it is ensured that every cyclone pipe is installed in place, and prevents cyclone pipe from deviating from out of hollow tube hole, makes the installation of cyclone pipe more
Securely.The positive stop lug boss top surface of cyclone pipe is matched with the bottom surface of hollow tube, realizes the limit of vertical direction, prevent cyclone pipe by
Installation is caused to misplace in over-voltage.
Detailed description of the invention
Fig. 1 is the three-dimensional cutaway view of existing air filter for desert.
Fig. 2 is the enlarged drawing in the portion H in Fig. 1.
Fig. 3 is the perspective view using air cleaner of the invention.
Fig. 4 is the perspective view of upper cover, and upper cover is equipped with conical dust face.
Fig. 5 is the sectional view of Fig. 4.
Fig. 6 is the perspective view of upper cover, and upper cover is equipped with pyramid dust face.
Fig. 7 is the sectional view of Fig. 6.
Fig. 8 is the enlarged drawing in the portion A in Fig. 5.
Fig. 9 is the main view of cyclone pipe.
Figure 10 is the enlarged drawing in the portion B in Fig. 9.
Figure 11 is the perspective view of dust cap assembly.
Figure 12 is the sectional view of Figure 11.
Figure 13 is the perspective view of dust discharge valve.
In figure: 1, shell；2, main filter core；3, pre-filtering assembly；31, upper cover；3100, horizontal dust face；3101, boss；
313, hollow tube；3131, taper dust face；316, inner wall；317, it is buckled to one；319, bottom surface；32, cyclone pipe；320, lug boss；
321, spinning disk；323, positive stop lug boss；324, two are buckled to；325, outer wall；34, lower cover；341, cyclone pipe sleeve；5, dust collection cover is total
At；51, lid；53, ash discharge face；55, dust discharge ejector pipe；56, dust discharge valve；57, dust discharge lip；58, elongated slot；6, outer end cap；7,
Air inlet；8, gas outlet；ɑ2, γ: inclination angle.
Specific embodiment
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in figure 3, being followed successively by shell 1, pre-filtering assembly 3 and dust from top to bottom using air cleaner of the invention
Cap assembly 5,1 side of shell be equipped with gas outlet 8, the other side on the other side it is fixed by snap be equipped with outer end cap 6, shell 1 with
Sealing element is set between outer end cap 6；The inside of shell 1 and outer end cap 6 is equipped with main filter core 2, is equipped with concentric peace inside main filter core 2
The filter core chamber of full filter core, the inside of safety filter element is connected to gas outlet 8.1 lower end of shell is solid by fastener and pre-filtering assembly 3
It is fixed, sealing ring is provided between pre-filtering assembly 3 and shell 1；Pre-filtering assembly 3 side identical with outer end cap 6 be equipped with into
Port 7.3 lower end of pre-filtering assembly is fixed with dust cap assembly 5 by buckle, and sealing element is arranged therebetween.
As shown in Figures 4 to 7, the upper surface of the upper cover 31 of pre-filtering assembly 3 is horizontal plane, several 32 array of cyclone pipe rows
Cloth is in upper cover 31, and the upper surface of upper cover 31 offers hole and extended downwardly several hollow tubes 313, on each hollow tube 313
End is provided with small taper dust face 3131, and cyclone pipe 32 is located at 3131 lower section of taper dust face.As shown in Figure 4, Figure 5, it bores
Shape dust face 3131 is conical dust face structure, and the angle γ of bus and 32 central axis of cyclone pipe is 5~85 degree, preferably
30 degree.As shown in Figure 6, Figure 7, taper dust face 3131 or pyramid dust face structure, pyramid can be triangular pyramid, four
Pyramid, pentagonal pyramid, hexagonal pyramid etc., or several pyramids, the angle of pyramidal surface and 32 central axis of cyclone pipe are set as by actual demand
γ is 5~85 degree, preferably 30 degree.The top in adjacent conical dust face 3131 is mutually connected in horizontal seamed edge, and seamed edge can heap ash
The area of dirt is small, and the pollutants such as dust, grains of sand are not easy largely to be deposited on 313 upper end of hollow tube；Adjacent conical dust face 3131
Top can also mutually be connected in gradient V-type complications seamed edge, tortuous seamed edge is gradient, falls in dust, the grains of sand of tortuous seamed edge
Equal pollutants can slide under the effect of gravity, avoid the deposition of pollutant.The pollutants such as dust, the grains of sand are under gravity
It slides from taper dust face 3131 and is discharged in time from cyclone pipe 32, avoid pollutant in the deposition in dust face, avoid pollution
Influence of the object to filter core, extends the maintenance cycle of filter core, reduces maintenance cost.
As shown in Fig. 5, Fig. 7, Fig. 8, the inner hole of 313 lower end of hollow tube is followed successively by inner wall 316, inwardly protruding from top to bottom
A circle back-off 1, the bottom surface 319 of hollow tube 313 is horizontal plane.As shown in figure 9, the top of cyclone pipe 32 is cylindrical portion,
Lower part is conus portion.As shown in Figure 9, Figure 10,325 outwardly convex of cylindrical portion upper end outer wall of cyclone pipe 32 has a circle to be buckled to two
324, on 32 periphery protrusion of cyclone pipe setting, the one circle positive stop lug boss 323 being located at below back-off 2 324, the top of positive stop lug boss 323
Face is horizontal plane；Spinning disk 321 is integrated on the outer wall of 32 cylindrical portion lower end of cyclone pipe, and the conus portion of cyclone pipe 32 is located at eddy flow
The lower section of piece 321.As shown in figure 9, spinning disk 321 is surface rotational flow piece, 321 tangent plane to a surface of spinning disk and horizontal folder
Angle is 15~60 degree, guarantees in the case where not increasing intake resistance, obtains optimal eddy flow effect；The miner diameter end ratio of conus portion
Small 0.5mm~the 5mm of bigger diameter end both can play guiding role when being inserted into cyclone pipe sleeve 341, can also offset plastic part
While molding and build-up tolerance, it ensure that the concentricity between cyclone pipe 32 and cyclone pipe sleeve 341, verticality require, mention
Leakproofness between high component, and then improve pre-filtering efficiency.
As shown in Fig. 4, Fig. 6, Fig. 8, the back-off 1 of hollow tube 313 is staggered with 2 324 height of back-off of cyclone pipe 32 and sets
It sets, after the hollow tube 313 of upper cover 31 is inserted into 32 upper end of cyclone pipe, the back-off 2 324 of cyclone pipe 32 and the inner wall of hollow tube 313
316 interference fits, the back-off 1 of hollow tube 313 and the external cylindrical surface of 32 cylindrical portion of cyclone pipe are interference fitted, it is ensured that eddy flow
Leakproofness between pipe 32 and upper cover 31, prevents gas from leaking；It is buckled to one 317 and 2 324 interlocking of back-off, it is ensured that every rotation
Flow tube 32 is installed in place, and prevents cyclone pipe 32 from deviating from out of hollow tube 313 hole, keeps the installation of cyclone pipe 32 stronger；Rotation
The outer wall 325 of flow tube 32 is matched with the inner wall 316 of hollow tube 313；323 top surface of positive stop lug boss of cyclone pipe 32 and hollow tube
313 bottom surface 319 matches, and realizes the limit of vertical direction, prevents cyclone pipe 32 from causing installation to misplace due to over-voltage.
Lower part of the every cyclone pipe 32 containing spinning disk 321 is corresponding to be located in vertical cyclone pipe sleeve 341, spinning disk
321 most peripheral envelope overall size is matched with the internal diameter of cyclone pipe sleeve 341, to guarantee 32 outer wall of cyclone pipe and eddy flow
The concentricity requirement of 341 inner wall of pipe sleeve cylinder.Cyclone pipe sleeve 341 is integrated on the lower cover 34 of pre-filtering assembly 3.In the present embodiment
More cyclone pipe sleeves 341 and 34 integrated injection molding of lower cover, 321 integrated injection molding of spinning disk of every cyclone pipe 32 and its periphery
Molding had both eliminated the installation steps of cyclone pipe sleeve 341, eliminates installation gap, saves installation cost, and can prevent
The problem of installation dislocation or neglected loading, occurs for spinning disk 321, ensure that the concentricity between each component, verticality require, raising group
Leakproofness between part, and then improve pre-filtering efficiency.It can use between the outer surface of the adjacent cyclone pipe sleeve 341 of lower cover 34
Reinforcing rib connection reinforcement, reinforcing rib may insure the intensity of 341 entirety of lower cover 34 and cyclone pipe sleeve, improve the stability of product
And reliability.
As shown in Figure 11, Figure 12, bottom is equipped with dust discharge ejector pipe 55, dust discharge injection in the lid 51 of dust cap assembly 5
Pipe 55 is located at one end outside lid 51 can efficient discharge with external injection air-flow, for dust；It is located at row outside lid 51
The dust discharge valve 56 of strip is fixed with below dirt ejector pipe 55, dust discharge valve 56 and lid 51 can also use integrated formed structure,
Integrated formed structure can save installation cost, reduce assembly working, avoid the installation gap between component, improve sealing
Property, and then the pre-filtering efficiency in guarantee system.As shown in figure 12,51 inner surface of lid is equipped with symmetrical ash discharge face 53, ash discharge
Face 53 is the tapered plane with inclination angle, and the inclination angle in ash discharge face 53 is ɑ2, inclination angle ɑ2It is 5~60 degree, preferably 45 degree.In other realities
It applies in example, ash discharge face 53 with curved surface arbitrarily mutually can be tied for the cascaded surface of multi-step, downward curved surface or by tapered plane, cascaded surface
The composite surface of conjunction, the inclination angle of the tangent plane of arbitrary point is 0~90 degree on curved surface；Two ash discharge faces 53 can be all as described above
Any one surface, or the combination of two kinds of different surfaces.The ash discharge face 53 of dust collection cover be set as tapered plane, cascaded surface,
Downward curved surface has biggish inclination angle, it is timely under gravity to fall in the pollutants such as dust, the grains of sand on ash discharge face 53
It slides and is discharged in time, avoid the deposition of pollutant.
As shown in figure 13, the elongated slot 58 of oblong is offered in dust discharge valve 56, the cross section of elongated slot 58 is triangle, at it
In his embodiment, the cross section of elongated slot 58 may be U-shaped or arc-shaped；The bottom opening of elongated slot 58 is simultaneously equipped with two vertically
Parallel strip dust discharge lip 57, dust discharge lip 57 are made of rubber, thermoplastic elastomer (TPE) flexible material；Two dust discharge lips
Certain interval is mutually separated between side 57, gap width is about 0.5mm~2mm, when having negative pressure inside air cleaner, is made in negative pressure
Under, two dust discharge lips 57 can be adjacent to sealing of the closure realization to built-in system.The upper port of elongated slot 58 is track type, length
1.5~50 times having a size of width direction size of direction, 58 upper port area of passage of elongated slot is big, and dust containing capacity is big, in the unit time
The amount of dust flowed through is big, improves ashing capacity.The length of dust discharge lip 57 is greater than the length of the opening of elongated slot 58, dust discharge lip
57 two outer ends extend outwardly certain length along 58 length direction of elongated slot, with guarantee dust discharge lip 57 to the both ends of elongated slot 58 into
Row sealing, 57 length of dust discharge lip is longer, and opening when dust discharge lip 57 is opened is bigger, improves ashing capacity；Dust discharge lip
57 height is 5mm~50mm, two lips of dust discharge lip 57 with a thickness of 0.5mm~5mm, 57 height of dust discharge lip compared with
Greatly, thickness is relatively thin, and the closure of dust discharge lip 57 can be made closer, improves the stability of built-in system sealing and reliable
Property.
When using air cleaner work of the invention, air inlet 7 is connected with high-order bleed air line or other pipelines, outlet
Mouthfuls 8 are connected with engine charge pipeline, when engine work, state of the air cleaner inside in negative pressure, and dust discharge valve
The dust discharge lip 57 of 56 lower ends is bonded, and is made inside the filtration system of air cleaner in air-tight state.Contain various partial sizes, kind
The external pollution air of class dust pollutant is introduced in the air inlet 7 of air cleaner by bleed air line, from air inlet 7 into
Enter to inside pre-filtering assembly 3, air initially enters empty by the cavity between each 32 outer wall of cyclone pipe, upper cover 31 and lower cover 34
Between, under the action of internal negative pressure, air fluid is downwardly into cyclone pipe sleeve 341 and by 321 region of spinning disk, is being revolved
High speed rotation generates whirlwind under the guide functions of flow 321, and partial size is larger in air fluid, dust pollutant of heavier mass exists
The inner peripheral surface that cyclone pipe sleeve 341 is focused under the action of centrifugal force, since the wall surface boundary fluid flow rate of inner peripheral surface becomes
Be bordering on zero, close to wall surface this part partial size is larger, dust pollutant of heavier-weight is slid by separation under the effect of gravity.In advance
It filters that assembly 3 is larger by partial size, after dust separated from contaminants of heavier mass, obtains more clean pre-filtering air fluid,
Pre-filtering air fluid turns to from 32 bottom end opening of cyclone pipe and is upwardly into cyclone pipe 32, simultaneously from the outflow of 32 upper end opening of cyclone pipe
The outer surface for reaching main filter core 2, then passes through main filter core 2 and safety filter element enters filter core chamber, and partial size is smaller, lighter in weight ash
Dirt pollutant finally obtains the pure air for meeting Engine Cleanliness Level requirement, pure air is worn by the main further filtering of filter core 2
It crosses after safety filter element and engine charge pipeline is entered by gas outlet 8.
The partial size slid in cyclone pipe sleeve 341 by separation is larger, dust pollutant of heavier mass, from eddy flow pipe sleeve
The lower section of cylinder 341 is discharged and is fallen on the ash discharge face 53 of dust cap assembly 5, since ash discharge face 53 is inclined surface, falls on ash discharge face
Dust pollutant on 53 is slid under gravity to dust discharge valve 56.When the dust accumulation of pollutants in dust discharge valve 56 arrives
When a certain amount of, dust discharge lip 57 is opened under the action of dust pollutant gravity, is discharged from the opening of dust discharge lip 57.Dust discharge
Ejector pipe 55 is connected with draught fan, can be with when the deposition of dust in dust discharge valve 56 reaches a certain amount of and has little time discharge
Draught fan is opened, dust is discharged, when draught fan does not work, in the pressure and dust cap assembly 5 of dust discharge ejector pipe 55
Pressure is equal.
Blowback system is also applied for using air cleaner of the invention, when air cleaner is applied to blowback system,
Gas outlet 8 is connect with three-way pipeline, and an interface of three-way pipeline is connected with engine charge pipeline, another interface and blowback
System is connected.When blowback system is run, clean compressed air is blown into the filter inside safety filter element by blowback system from gas outlet 8
Core cavity, compressed air pass through safety filter element and main filter core 2, and the dust pollutant for being deposited on main 2 outer surface of filter core is removed；It is shelled
From dust pollutant under the collective effect of gravity and compressed air fluid, a part as compressed air fluid is directly from rotation
It is flowed out in flow tube 32 in dust discharge valve 56, another part is fallen in the small taper dust face of the upper cover 31 of pre-filtering assembly 3
On 3131, since small taper dust face 3131 has inclination angle, dust pollutant declines simultaneously along inclined-plane under gravity
It gathers in cyclone pipe 32, is flowed out in dust discharge valve 56 from cyclone pipe 32.Under the pressure effect of compressed air, dust discharge valve 56
Dust discharge lip 57 is opened, and most dust pollutants in dust discharge valve 56 are directly discharged from dust discharge lip 57；Dust discharge valve 56
Interior a part of dust pollutant is fallen on ash discharge face 53, under the effect of gravity, is slid along dust discharge face from 57 row of dust discharge lip
Out.
Small taper dust face 3131 is arranged in the upper cover 31 of pre-filtering assembly 3 using air cleaner of the invention,
The ash discharge face 53 of the lid 51 of dust cap assembly 5 is tapered plane, cascaded surface or downward curved surface with inclination angle, is fallen in above
The pollutants such as dust, the grains of sand under gravity, can be slipped in cyclone pipe 32, subsequently into dust cap assembly 5, in time
It is discharged from dust discharge valve 56.Pollutant is discharged in time, avoids the deposition of pollutant, extends the maintenance of air cleaner
Period reduces maintenance cost.
Above description is explanation of the invention, is not limitation of the invention, without prejudice to spirit of that invention the case where
Under, the present invention can make any type of modification.
Claims (9)
1. a kind of taper dust face structure of air cleaner, it is characterised in that: cyclone pipe (32) is mounted in upper cover (31)
In blank pipe (313), the upper end of hollow tube (313) is provided with taper dust face (3131), and taper dust face (3131) is located at rotation
Above flow tube (32).
2. the taper dust face structure of air cleaner described in accordance with the claim 1, it is characterised in that: taper dust face
It (3131) is conical dust face or pyramid dust face.
3. the taper dust face structure of air cleaner described in accordance with the claim 1, it is characterised in that: adjacent conical dust face
(3131) top is connected by V-type complications seamed edge.
4. the taper dust face structure of air cleaner described in accordance with the claim 1, it is characterised in that: adjacent conical dust face
(3131) top connects to forming horizontal seamed edge.
5. the taper dust face structure of air cleaner described in accordance with the claim 1, it is characterised in that: cyclone pipe wraps on (32)
Lower part containing spinning disk (321) is located in cyclone pipe sleeve (341), and cyclone pipe sleeve (341) is integrated on lower cover (34), eddy flow
Pipe sleeve cylinder (341) and lower cover (34) are provided with reinforcing rib between the outer surface of adjacent cyclone pipe sleeve (341) by being integrally formed
(344).
6. the taper dust face structure of air cleaner described in accordance with the claim 1, it is characterised in that: cyclone pipe (32) periphery
It is integrated with spinning disk (321), cyclone pipe (32) and spinning disk (321) pass through integrated molding.
7. the taper dust face structure of air cleaner described in accordance with the claim 1, it is characterised in that: in hollow tube (313)
Inner wall (316) be equipped with protrusion back-off one (317), cyclone pipe (32) be inserted into hollow tube (313) after, back-off one (317) and rotation
The external cylindrical surface of flow tube (32) is interference fitted.
8. the taper dust face structure of air cleaner according to claim 7, it is characterised in that: outside cyclone pipe (32)
Wall (325) is equipped with two (324) of back-off, after cyclone pipe (32) is inserted into hollow tube (313), two (324) of back-off and hollow tube (313)
Inner wall (316) interference fit；One (317) of back-off and two (324) of back-off, which are highly staggered to be arranged, realizes interlocking.
9. the taper dust face structure of air cleaner described in accordance with the claim 1, it is characterised in that: hollow tube (313)
Bottom surface (319) is horizontal plane；Cyclone pipe (32) periphery is provided with a circle positive stop lug boss (323), and the top surface of positive stop lug boss (323) is
Horizontal plane realizes the limit of vertical direction with bottom surface (319) cooperation of hollow tube (313).
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| CN201910448980.4A CN110005553B (en) | 2019-05-28 | 2019-05-28 | Conical dust collecting surface structure of air filter |
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|---|---|---|---|
| CN201910448980.4A CN110005553B (en) | 2019-05-28 | 2019-05-28 | Conical dust collecting surface structure of air filter |
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| CN110005553B CN110005553B (en) | 2024-04-02 |
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| Publication number | Publication date |
|---|---|
| CN110005553B (en) | 2024-04-02 |
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