CN209100160U - A kind of prefilter and air cleaner assy - Google Patents
A kind of prefilter and air cleaner assy Download PDFInfo
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- CN209100160U CN209100160U CN201821649720.0U CN201821649720U CN209100160U CN 209100160 U CN209100160 U CN 209100160U CN 201821649720 U CN201821649720 U CN 201821649720U CN 209100160 U CN209100160 U CN 209100160U
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- prefilter
- main body
- housing main
- filter core
- back shroud
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Abstract
The utility model belongs to motor vehicle components technical field, a kind of prefilter is disclosed, including prefilter housing main body, back shroud and direct straight-through spiral-flow pipe, back shroud and prefilter housing main body fasten to form prefilter chamber, prefilter housing main body is provided with far from one end of back shroud in cellular multiple air inlets, is provided with gas connection hole on back shroud；Multiple direct straight-through spiral-flow pipes are arranged in parallel in prefilter chamber, and one end of direct straight-through spiral-flow pipe is connected to air inlet, and the other end is connected to towards filter core assembly and with gas connection hole；It includes above-mentioned prefilter that a kind of air cleaner assy, which is also disclosed,.Multiple air inlets by being set on prefilter housing main body by the utility model in honeycomb, and outside air directly passes through air inlet and enters in downstream filter body, and intake resistance is small；And can utmostly improve the air inlet rate of prefilter housing main body so that prefilter under conditions of same air traffic requirement its with smaller volume.
Description
Technical field
The utility model relates to motor vehicle components technical field more particularly to a kind of prefilter and air cleaner are total
At.
Background technique
With the development of air cleaner, air cleaner is guaranteeing to provide the same of sufficient clean air for engine
When, it is also necessary to guarantee it with longer service life as far as possible.At present on motor vehicle by setting prefilter to enter air
The air of the main filter core of filter assembly is filtered, to reduce the filtering burden of main filter core.
But the prefilter having at present is directly arranged inside air filter housing to reduce the occupancy in space, but
It is its inlet charge for only relying on air filter housing, air inflow is small, and intake resistance is larger, is unable to satisfy air-filtering
Requirement of the engine in device downstream to air inflow.
For this purpose, it is urgent to provide a kind of prefilters and air cleaner assy to solve the above problems.
Utility model content
One of the utility model is designed to provide a kind of prefilter, to realize that air inflow is big and intake resistance is small.
Another of the utility model is designed to provide a kind of air cleaner assy, extends main filter element life to realize
While, it can satisfy the requirement of the engine to air inflow in downstream.
For this purpose, the utility model uses following technical scheme:
A kind of prefilter, including prefilter housing main body and back shroud, the back shroud and the prefilter housing main body
Fastening forms prefilter chamber, and the prefilter housing main body is provided with multiple air inlets far from one end of the back shroud, more
A air inlet is in honeycomb, and the position that the air inlet is corresponded on the back shroud is provided with gas connection hole；
Direct straight-through spiral-flow pipe, multiple direct straight-through spiral-flow pipes are arranged in parallel in the prefilter chamber, and described straight
One end of general formula cyclone pipe is connected to the air inlet, and the other end is connected to the gas connection hole.
By being set to multiple air inlets on prefilter housing main body in honeycomb, one side outside air directly passes through
Air inlet enters in downstream filter body, and intake resistance is small, and properties of product get a promotion；On the other hand, it can utmostly mention
The air inlet rate of high prefilter housing main body so that prefilter under conditions of same air traffic requirement its with smaller body
Product.
Preferably, the direct straight-through spiral-flow pipe includes round tube portion and Taper Pipe portion, the smaller diameter end in the Taper Pipe portion is axial
It is inserted into the round tube portion, the larger diameter end in the Taper Pipe portion is connect with the gas connection hole, and the round tube portion is far from described
The one end in Taper Pipe portion is connected to the air inlet, and the round tube portion is provided with spinning disk close to one end of the air inlet.
Preferably, the Taper Pipe portion and the back shroud are integrally formed, and the round tube portion and the prefilter shell
Main body is integrally formed.
Preferably, the prefilter housing main body is connected by screw to the back shroud.
Preferably, the junction of the prefilter housing main body and the back shroud is provided with compression sealing ring.
Preferably, the prefilter housing main body is additionally provided with the dust flue communicated with the prefilter chamber.
Preferably, one end that the round tube portion connects the Taper Pipe portion is provided with baffle, the baffle is annular in shape, institute
State baffle setting it is jagged, the inner wall of the baffle is contacted with the outer wall in the Taper Pipe portion, and the notch is located at the Taper Pipe
The lower section in portion.
Preferably, the prefilter housing main body is provided with multiple guide walls in the inclined upward of the dust flue, it is more
A guide wall is in closing towards the dust flue.
Preferably, the guide wall is clinoplain.
A kind of air cleaner assy, including housing main body are provided with filter core assembly, the shell in the housing main body
One end of main body is provided with gas outlet, further includes above-mentioned prefilter, the one end of the housing main body far from the gas outlet with
The prefilter is detachably connected.
The utility model has the beneficial effects that
Multiple air inlets are set on prefilter housing main body in honeycomb, and one side outside air directly passes through air inlet
It enters in downstream filter body, intake resistance is small, and properties of product get a promotion；On the other hand, pre-flock can utmostly be improved
The air inlet rate of device housing main body so that prefilter under conditions of same air traffic requirement its with smaller volume；
While air cleaner assy can provide the clean air of abundance for engine, moreover it is possible to guarantee it with longer
Service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one of the utility model embodiment air cleaner assy；
Fig. 2 is the exploded view of one of the utility model embodiment air cleaner assy；
Fig. 3 is the sectional view of one of the utility model embodiment air cleaner assy；
Fig. 4 is enlarged diagram at A in Fig. 3；
Fig. 5 is enlarged diagram at B in Fig. 3；
Fig. 6 is the structural schematic diagram at the first visual angle of one of the utility model embodiment prefilter；
Fig. 7 is the structural schematic diagram at the second visual angle of one of the utility model embodiment prefilter；
Fig. 8 is the sectional view of one of the utility model embodiment prefilter；
Fig. 9 is the exploded view of one of the utility model embodiment prefilter；
Figure 10 is the structural schematic diagram at the first visual angle of the main filter core assembly of one of the utility model embodiment；
Figure 11 is the structural schematic diagram at the second visual angle of the main filter core assembly of one of the utility model embodiment；
Figure 12 is the exploded view of the main filter core assembly of one of the utility model embodiment；
Figure 13 is enlarged diagram at C in Figure 11；
Figure 14 is enlarged diagram at D in Figure 11；
Figure 15 is the structural schematic diagram at the first visual angle of one of the utility model embodiment safety filter element assembly；
Figure 16 is the structural schematic diagram at the second visual angle of one of the utility model embodiment safety filter element assembly；
Figure 17 is the exploded view of one of the utility model embodiment safety filter element assembly；
Figure 18 is the structural schematic diagram at the first visual angle of one of the utility model embodiment safety filter element framework；
Figure 19 is enlarged diagram at E in Figure 18；
Figure 20 is enlarged diagram at F in Figure 18；
Figure 21 is the structural schematic diagram at the second visual angle of one of the utility model embodiment safety filter element framework.
In figure:
1, housing main body；11, gas outlet；
100, prefilter；110, prefilter housing main body；111, air inlet；112, dust flue；113, dust-exhausting bag；120, after
Cover board；121, gas connection hole；130, cyclone pipe；131, round tube portion；132, Taper Pipe portion；133, spinning disk；140, screw；150,
Compress sealing ring；160, baffle；161, notch；
200, main filter core assembly；210, main filter core framework；211, the first framework；2111, flanging；2112, main filter core gusset；
2113, main filter core handle；212, second framework；2121, main filter core baffle；220, main filter core；230, the first sealing ring；240,
Two sealing rings；250, mounting structure is fastened；251, grab；252, card hole；260, connection ring；
300, safety filter element assembly；310, safety filter element framework；311, safety filter element baffle；312, side wall；313, safety
Filter core gusset；314, safety filter element handle；320, safety filter element；330, safety filter element sealing ring；340, rib.
Specific embodiment
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
It is described in further detail below in conjunction with technical solution of the attached drawing to the utility model embodiment, it is clear that described reality
Applying example is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention,
It is practical new to belong to this for those skilled in the art's every other embodiment obtained without creative efforts
The range of type protection.Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
The present embodiment discloses a kind of air cleaner assy, as shown in Figure 1-3, including housing main body 1, in housing main body 1
It is provided with filter core assembly, further includes prefilter 100, one end and the prefilter 100 of housing main body 1 are detachably connected, and the other end is set
It is equipped with the gas outlet 11 of air cleaner assy, and the air inlet 111 of air cleaner assy is set to prefilter 100 far from out
One end of port 11.Wherein outside air passes through the air inlet 111 of prefilter 100, then passes through filter core assembly, later from outlet
Mouth 11 enters directly into engine.By the way that prefilter 100 is integrated into air cleaner so that air cleaner assy at
For single flow filter mechanism, which, which is disposed with filter core assembly and prefilter 100 along 1 axis of housing main body, is conducive to meeting hair
Reduce its arrangement space while motivation is to air flow demand as far as possible, also, ambient atmos after the filtering of prefilter 100 again
It enters in filter core assembly, can reduce the filtering burden of filter core assembly, to extend the service life of air cleaner.
Specifically, as Figure 6-9, prefilter 100 includes prefilter housing main body 110, back shroud 120 and through type rotation
Flow tube 130, wherein prefilter housing main body 110 is connected by a snap with housing main body 1 or screw is connect；And back shroud 120 with
The fastening of prefilter housing main body 110 forms prefilter chamber, and prefilter housing main body 110 is arranged far from one end of back shroud 120
There is air inlet 111, the position that air inlet 111 is corresponded on back shroud 120 is provided with gas connection hole 121, multiple through type eddy flows
Pipe 130 is arranged in parallel in prefilter chamber, and one end of direct straight-through spiral-flow pipe 130 is connected to air inlet 111, other end direction
Filter core assembly is simultaneously connected to gas connection hole 121.Plurality of air inlet 111 is set to prefilter housing main body in honeycomb
On 110.Design one side outside air directly passes through air inlet 111 and enters in downstream filter body in this way, and intake resistance is small, produces
Moral character can get a promotion；On the other hand, the air inlet rate that can utmostly improve prefilter housing main body 110, so that prefilter
100 it is total so as to further reduce air cleaner with smaller volume under conditions of same air traffic requirement
At arrangement space.And the lower part of prefilter housing main body 110 is additionally provided with the dust flue 112 communicated with prefilter chamber.
Outside air dust after 100 primary filtration of prefilter passes through dust flue 112 and enters the dust-exhausting bag connecting with dust flue 112
In 113, entered directly into filter core assembly by the air of primary filtration.
Wherein, referring to Fig. 8 and Fig. 9, direct straight-through spiral-flow pipe 130 includes round tube portion 131, Taper Pipe portion 132 and spinning disk 133,
The smaller diameter end in Taper Pipe portion 132 is axially inserted into round tube portion 131, and the larger diameter end in Taper Pipe portion 132 and gas connection hole 121 connect
Logical, the one end of round tube portion 131 far from Taper Pipe portion 132 is connected to air inlet 111, and the one end of round tube portion 131 far from Taper Pipe portion 132
It is provided with spinning disk 133, the dust that spinning disk 133 can make outside air carry is detached from air under the action of the centrifugal force,
Also it is avoided that the biggish impurity of structure enters in air cleaner assy simultaneously.Preferably, Taper Pipe portion 132 and back shroud 120
It is integrally formed, and round tube portion 131 and prefilter housing main body 110 are integrally formed, and prefilter housing main body 110 and back shroud
120 are detachably connected, and design assembling, maintenance and the maintenance etc. for being convenient for prefilter 100 in this way.In this present embodiment, prefilter
Housing main body 110 is connect with back shroud 120 by screw 140.In addition, the connection of prefilter housing main body 110 and back shroud 120
Place, which is additionally provided with, compresses sealing ring 150, and design in this way is avoided that the dust filtered in prefilter 100 enters from the junction of the two
Into filter core assembly.
Referring again to Fig. 9, one end that round tube portion 131 connects Taper Pipe portion 132 is provided with baffle 160, and baffle 160 is in annulus
Shape, and the inner wall of baffle 160 is contacted with the outer wall in Taper Pipe portion 132.On the one hand the setting of baffle 160 can be used for fixed cone pipe portion
132, on the other hand, baffle 160 can to avoid the dust that round tube portion 131 is discharged again by round tube portion 131 and Taper Pipe portion 132 it
Between gap enter round tube portion 131.Further, baffle 160 is arranged jagged 161, and notch 161 is located at Taper Pipe portion 132
Lower section, i.e., be arranged close to dust flue 112, can make to enter by spinning disk 133 in this way the dust in round tube portion 131 from
It is entered in dust flue 112 under the action of mental and physical efforts and gravity by the notch 161 being arranged on baffle 160.
Further, referring again to Fig. 7 and Fig. 8, prefilter housing main body 110 is provided with more in the top of dust flue 112
A guide wall 114, multiple guide walls 114 are obliquely installed in closing towards dust flue 112, are convenient for from direct straight-through spiral-flow pipe 130
Round tube portion 131 be discharged dust can smoothly enter into dust flue 112, avoid the dust stratification of prefilter housing main body 110.Wherein,
Guide wall 114 can be clinoplain, or inclination cambered surface.It is clinoplain that the present embodiment, which is preferably directed wall 114,.By
Verifying, the guide wall 114 of clinoplain is compared to the guide wall 114 for tilting cambered surface, so that dust is easier to glide, so as to
It is effectively prevented from 110 dust stratification of prefilter housing main body.
Referring to Fig. 2 and Fig. 3, filter core assembly includes main filter core assembly 200 and safety filter element assembly 300, and institute's safety filter element is total
It is arranged at 300 close to gas outlet 11, and main filter core assembly 200 is between safety filter element assembly 300 and prefilter 100.
Wherein, as shown in figures 10-14, main filter core assembly 200 including main filter core framework 210 and is located at main filter core framework 210
Interior main filter core 220, main filter core 220 are single flow cellular filter core, can be designed so that main filter core assembly 200 same outer in this way
In the case where shape size, it is bigger to compare the main filter element filtering area of tradition, and the design is pre- by the way that air inlet 111 to be set to
On filter 100, so that gap is smaller between main filter core 220 and housing main body 1, small installation space, big filtering surface are reached
Long-pending effect.
Specifically, 1 and Figure 12, main filter core framework 210 include the first framework 211 and second framework 212 referring to Fig.1, in this way
Convenient for the installation of main filter core 220.Wherein, the first framework 211 and second framework 212 can be arranged along the axial direction of main filter core 220,
It can be arranged along other directions.It in this present embodiment, can be along the axis of main filter core 220 with the first framework 211 and second framework 212
It is introduced to setting.First framework 211 is provided with flanging 2111 far from one end of second framework 212, and second framework 212 is separate
One end of first framework 211 is provided with the main filter core baffle 2121 in grid palisade, and main filter core baffle 2121 and flanging 2111 divide
The both ends of main filter core 220 are not fixed, and the first framework 211, close to prefilter 100, second framework 212 is close to safety filter element 320.
The first framework 211 and 212 structure of second framework mutually fastened is simple, and is convenient for the installation of main filter core 220, solves traditional
The problem that main filter core framework 210 can not be applicable in.Wherein, the junction of the first framework 211 and second framework 212 also uses hot melt adhesive
Sealing forms connection ring 260, on the one hand may insure that main filter core 220 forms a firm overall structure, on the other hand may be used also
It is entered in main filter core 220 to avoid dust from the junction of the first framework 211 and second framework 212.Also, in the present embodiment
In, main filter core framework 210 is provided with the fastening mounting structure for further connecting the first framework 211 and second framework 212
250.Wherein fastening mounting structure 250 includes the grab 251 being set in the first framework 211, and is set to second framework 212
On card hole 252, and the wedge surface for facilitating insertion into card hole 252 is provided on grab 251.In other embodiments, it can also be arranged
Screw 140 and screw hole formed be threadedly coupled or fixture block and card slot etc. other fasten mounting structures 250.Fasten mounting structure 250
Although structure is simple, cost of manufacture is lower, and it is whole that the setting of fastening mounting structure 250 significantly improves main filter core assembly 200
The reliability of body.
Further, 1 and Figure 13, the first framework 211 are provided with main filter core far from one end of second framework 212 referring to Fig.1
Gusset 2112, main filter core gusset 2112 extend towards the direction far from second framework 212.The setting of main filter core gusset 2112 is mainly just
Main filter core 220 is maintained in client, i.e., main filter core assembly 200 is when clearing up internal dust, main filter core gusset 2112 and ground
Face or supporter intermittence abut, and knock ash to main filter core assembly 200 to achieve the purpose that cleaning.In this present embodiment, main filter core
The section of assembly 200 is kidney-shaped, and two opposite arc-shaped edges are provided with main filter core gusset 2112, in this way design, even if wherein one
A main filter core gusset 2112 fails, another main filter core gusset 2112 can still be used when main filter core assembly 200 maintains, and mentions
The high service life of main filter core assembly 200.
As shown in Figure 11 and Figure 14, main filter core assembly 200 be additionally provided with for by main filter core assembly 200 from housing main body 1
The main filter core handle 2113 inside taken out, the setting of main filter core handle 2113 facilitate the dismounting of air cleaner assy, convenient for using
Air cleaner is maintained at family.Also, main filter core handle 2113 is convexly equipped in the first framework 211 far from second framework 212
One end, and main filter core handle 2113 is engraved structure, and upstream prefilter 100 can be stopped to cross air filtering to avoid handle in this way and entered
Into main filter core assembly 200, to reduce the resistance that upstream airflow enters main filter core assembly 200.
Further, referring again to Figure 10 and Figure 12, the outer wall of main filter core framework 210 is provided with main cartridge seal circle, main
Cartridge seal circle can be tightly connected with 1 inner wall of housing main body, enter downstream to avoid upstream dust.In this present embodiment, main
The outer wall of filter core framework 210 is provided with main cartridge seal circle along axial both ends, i.e., the first framework 211 is far from second framework
212 one end is provided with the first sealing ring 230, and second framework 212 is provided with the second sealing ring far from one end of the first framework 211
240, wherein prefilter 100 of first sealing ring 230 close to upstream, safety filter element assembly of second sealing ring 240 close to downstream
300.The setting of first sealing ring 230 can prevent upstream dust from entering between main filter core assembly 200 and housing main body 1.The
The setting of two sealing rings 240 can prevent the dust of the leakage of 212 junction of the first framework 211 and second framework from entering downstream
In safety filter element assembly 300.Further, the outer wall of main filter core framework 210 is additionally provided with sealing ring card slot, correspondingly, first
It is provided with the first sealing ring card slot in framework 211, the second sealing ring card slot, the first sealing ring 230 are provided in second framework 212
It is placed in the first sealing ring card slot, the second sealing ring 240 is placed in the second sealing ring card slot, can make main filter core in this way
Sealing ring can be firmly fixed with specific position in main filter core framework 210 so that main cartridge seal circle and shell master
1 inner wall of body forms reliable sealing, and upstream dust is avoided to enter the phenomenon that downstream even results in engine damage generation.
Further, as seen in figs. 15-17, safety filter element assembly 300 includes safety filter element framework 310 and filters positioned at safety
Safety filter element 320 in core framework 310, safety filter element 320 be flat panel cartridge, can be designed so that in this way safety filter element 320 with
The main filter core assembly 200 of cellular filter core cooperates, so that filter core assembly in the case where same outer dimension, compares biography
Filter core assembly filter area of uniting is bigger.
As shown in figs. 18-21, safety filter element framework 310 includes the safety filter element baffle 311 in grid palisade and is set to
One end of side wall 312 on safety filter element baffle 311, safety filter element 320 is contacted with safety filter element baffle 311, safety filter element 320
Side wall 312 coated by the side wall 312 of safety filter element framework 310, structure is simple, and easy for installation.And safety filter element baffle
311 towards gas outlet 11, and side of the side wall 312 far from safety filter element baffle 311 is Open architecture, when air-flow is total from main filter core
When entering safety filter element assembly 300 at 200, Open architecture can reduce the resistance that air-flow enters safety filter element 320, separately
It is outer not only to play the role of fixed safety filter element 320 in the safety filter element baffle 311 of grid palisade, while air-flow can also be made
It passes through and is discharged from gas outlet 11.
The junction of 9 and Figure 20 referring to Fig.1, side wall 312 and safety filter element baffle 311 is provided in grid-like connection knot
Structure, which is formed by multiple L-type grids, and safety filter element sealing ring 330 is provided at connection structure, and safety filter element is close
Seal 330 can be tightly connected with 1 inner wall of housing main body.Wherein safety filter element sealing ring 330 is foamed by PU glue and is formed, in grid-like
Connection structure convenient for the foaming of PU glue, so that the side of PU glue contact sealing with safety filter element 320, other side energy and safety filter element
The connection sealing of baffle 311.Preferably, safety filter element baffle 311 is provided with rib 340, rib 340 away from the side of side wall 312
It is contacted with safety filter element sealing ring 330, can prevent the foaming of PU glue from overflowing in this way.
Referring to Figure 21, safety filter element assembly 300 is additionally provided with for taking safety filter element assembly 300 out of housing main body 1
Safety filter element handle 314 out, and safety filter element handle 314 is arcuate structure, meets ergonomics.Safety filter element handle 314
It is set to side of the side wall 312 far from safety filter element baffle 311, wherein safety filter element handle 314 is as far as possible far from safety filter element 320
Middle position, safety filter element handle 314 can be reduced as far as possible in this way to the resistance of upstream airflow.Meanwhile safety filter element handle
Hand 314 can also be engraved structure, the air filtering of crossing of the main filter core assembly 200 in upstream can be stopped to enter peace to avoid handle in this way
In full filter core assembly 300, to reduce the resistance that upstream airflow enters safety filter element assembly 300.Further, safety filter element
The not set baffle arrangement in grid palisade in position of the corresponding safety filter element handle 314 of baffle 311.The design not only can reduce
Gas-flow resistance, and convenient for including safety filter element handle 314 safety filter element framework 310 can integrated injection molding, add
Work is convenient, and cost is relatively low, while being also avoided that the phenomenon broken to 320 hook of safety filter element.
In addition, side wall 312 is additionally provided with safety filter element muscle far from the side of safety filter element baffle 311 referring again to Figure 21
Plate 313, safety filter element gusset 313 extend towards the direction far from safety filter element baffle 311.In this present embodiment, side wall 312 is waist
Shape ring, the opposite two sides of side wall 312 are provided with safety filter element gusset 313.The setting of the safe gusset on the one hand can be convenient for peace
Full filter core 320 carries out knocking ash when maintaining, and in addition multiple safety filter element gussets 313 can also be abutted with main filter core framework 210, it is ensured that peace
Filter core assembly 300 is circumferentially fixed entirely.
In addition, housing main body 1 is disposed with towards 11 direction of gas outlet along its own axis referring again to Fig. 3-Fig. 5
One clamping portion, the second clamping portion and third clamping portion, wherein the first clamping portion and prefilter housing main body 110 are clamped, the second card
Second sealing ring 240 of socket part and safety filter element assembly 300 cooperates, and the safety of third clamping portion and safety filter element assembly 300 is filtered
Core sealing ring 330 cooperates.
Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (10)
1. a kind of prefilter characterized by comprising
Prefilter housing main body (110) and back shroud (120), the back shroud (120) and the prefilter housing main body (110)
Fastening forms prefilter chamber, and the prefilter housing main body (110) is provided with multiple far from the one end of the back shroud (120)
Air inlet (111), multiple air inlets (111) are in honeycomb, correspond to the air inlet (111) on the back shroud (120)
Position be provided with gas connection hole (121)；
Direct straight-through spiral-flow pipe (130), multiple direct straight-through spiral-flow pipes (130) are arranged in parallel in the prefilter chamber, and
One end of the direct straight-through spiral-flow pipe (130) is connected to the air inlet (111), the other end and the gas connection hole (121)
Connection.
2. prefilter according to claim 1, which is characterized in that the direct straight-through spiral-flow pipe (130) includes round tube portion
(131) it is axially inserted into the round tube portion (131) with Taper Pipe portion (132), the smaller diameter end of the Taper Pipe portion (132), the cone
The larger diameter end of pipe portion (132) is connect with the gas connection hole (121), and the round tube portion (131) is far from the Taper Pipe portion
(132) one end is connected to the air inlet (111), and the round tube portion (131) is set close to the one end of the air inlet (111)
It is equipped with spinning disk (133).
3. prefilter according to claim 2, which is characterized in that the Taper Pipe portion (132) and the back shroud (120) one
It is body formed, and the round tube portion (131) and the prefilter housing main body (110) are integrally formed.
4. prefilter according to claim 1, which is characterized in that the prefilter housing main body (110) and the rear cover
Plate (120) is connected by screw (140).
5. prefilter according to claim 1, which is characterized in that the prefilter housing main body (110) and the rear cover
The junction of plate (120), which is provided with, compresses sealing ring (150).
6. prefilter according to claim 2, which is characterized in that the prefilter housing main body (110) be additionally provided with
The dust flue (112) that the prefilter chamber communicates.
7. prefilter according to claim 6, which is characterized in that the round tube portion (131) connects the Taper Pipe portion (132)
One end be provided with baffle (160), the baffle (160) is annular in shape, and jagged (161) are arranged in the baffle (160), described
The inner wall of baffle (160) is contacted with the outer wall of the Taper Pipe portion (132), and the notch (161) is located at the Taper Pipe portion (132)
Lower section.
8. prefilter according to claim 6, which is characterized in that the prefilter housing main body (110) is in the dust discharge
The inclined upward of pipe (112) is provided with multiple guide walls (114), and multiple guide walls (114) are in closing towards the row
Dirt pipe (112).
9. prefilter according to claim 8, which is characterized in that the guide wall (114) is clinoplain.
10. a kind of air cleaner assy, including housing main body (1), the housing main body (1) is interior to be provided with filter core assembly, institute
The one end for stating housing main body (1) is provided with gas outlet (11), which is characterized in that further includes described in claim 1-9 any one
Prefilter, the housing main body (1) is detachably connected far from the one end of the gas outlet (11) with the prefilter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821649720.0U CN209100160U (en) | 2018-10-11 | 2018-10-11 | A kind of prefilter and air cleaner assy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821649720.0U CN209100160U (en) | 2018-10-11 | 2018-10-11 | A kind of prefilter and air cleaner assy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209100160U true CN209100160U (en) | 2019-07-12 |
Family
ID=67154957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821649720.0U Active CN209100160U (en) | 2018-10-11 | 2018-10-11 | A kind of prefilter and air cleaner assy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209100160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114100288A (en) * | 2021-11-19 | 2022-03-01 | 柳州柳工挖掘机有限公司 | Dust removal device, dust removal system and engineering machinery |
-
2018
- 2018-10-11 CN CN201821649720.0U patent/CN209100160U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114100288A (en) * | 2021-11-19 | 2022-03-01 | 柳州柳工挖掘机有限公司 | Dust removal device, dust removal system and engineering machinery |
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