CN100478210C - Aspirator structure of automatic two-wheel cycle - Google Patents
Aspirator structure of automatic two-wheel cycle Download PDFInfo
- Publication number
- CN100478210C CN100478210C CNB2004100016576A CN200410001657A CN100478210C CN 100478210 C CN100478210 C CN 100478210C CN B2004100016576 A CNB2004100016576 A CN B2004100016576A CN 200410001657 A CN200410001657 A CN 200410001657A CN 100478210 C CN100478210 C CN 100478210C
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- Prior art keywords
- body frame
- air
- dividing wall
- automatic
- engine
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Abstract
To dispose an air cleaner so as to provide a good intake characteristic while using a main frame and an engine hanger, and to prevent the intrusion of a foreign matter such as water or dust. A pair of right and left engine hangers 7 are projected at the front side of the lower part of the main frame 5 and to the above part of a mission case of an engine, and a shielding wall 20 of the air cleaner 16 is supported between a pair of right and left side walls 22 of each engine hanger 7. The air cleaner 16 feeds air to a forward tilting cylinder of the engine via a vaporizer. The shielding wall 20 comprises a pair of right and left side shielding walls 52 and a front shielding wall 54 for covering the front side of the shielding walls 52, and an intake duct 53 is disposed in a duct arranging space 60 surrounded by these. The intake duct 53 extends backwardly and tiltingly downwardly along the main frame 5 from an air cleaner case of the air cleaner 16 inside the side shielding walls 52, and opens downwardly.
Description
Technical field
The present invention relates to a kind of air suction structure of automatic two-wheeled cycle, particularly the favourable structure of airfilter.In addition, in this application, all around, up and down, the car body when advancing is a benchmark, this working direction is the place ahead.
Background technology
The airfilter of automatic two-wheeled cycle is arranged on the top of driving engine and the place ahead, bottom of body frame, and element (element) is set directly on the engine lifting bracket with the body frame one, is known from the air-breathing formation in the space of body frame inboard.(with reference to patent documentation 1)
Special public clear 60-21087 communique
Summary of the invention
In above-mentioned known example, have the advantage that can omit intake guide, but since directly air-breathing from the space of body frame inboard, so air-breathing characteristic is limited by body frame.Therefore, the objective of the invention is to, utilize body frames such as engine lifting bracket, realize being not limited to the high air-breathing characteristic of degree of freedom of body frame simultaneously.
In order to solve above-mentioned problem, the technical scheme 1 that the air suction structure of automatic two-wheeled cycle of the present invention relates to, the supported underneath driving engine of the body frame that extends below tiltedly at pipe from the beginning, above this driving engine and the place ahead, bottom of described body frame be provided with in the air suction structure of automatic two-wheeled cycle of airfilter, it is characterized in that, at the rear portion of described airfilter intake guide is extended along body frame downwards, and be provided with from the place ahead and the left and right sides covers the dividing wall of the air suctiton inlet of this intake guide.
Technical scheme 3 is the air suction structure as technical scheme 1 described automatic two-wheeled cycle, it is characterized in that, in described dividing wall, cover the side shielding of described air suctiton inlet from sidepiece, enter the pair of right and left that forms from described body frame and the inboard of the engine lifting bracket that extends.
Description of drawings
Fig. 1 is the expression present embodiment (lateral plan of the automatic two-wheeled cycle of Fig. 1～Figure 12) relate to.
Fig. 2 is the lateral plan that the expression driving engine carries the body framework of state.
Fig. 3 is the transparent view of body framework.
Fig. 4 is the birds-eye view of body framework.
Fig. 5 is that the airfilter of representing from the car body right side partly is the figure at center.
Fig. 6 is the transparent view that the car body of expression airfilter part carries state.
Fig. 7 is the lateral plan of the body framework holding state of expression airfilter.
Fig. 8 is the 8-8 line cutaway view of Fig. 7.
Fig. 9 is to launch the figure of the anterior dividing wall that the shape body surface shows.
Figure 10 is the figure of the airfilter represented from 10 directions of arrow of Fig. 7.
Figure 11 is the lateral plan that has dissectd the part of airfilter.
Figure 12 is the figure that represents the end surface shape of the length direction cross section of intake guide and air suctiton inlet in the lump.
The specific embodiment
Below, with reference to description of drawings one embodiment.Fig. 1～Figure 12 relates to present embodiment, Fig. 1 is the lateral plan of automatic two-wheeled cycle, Fig. 2 carries the lateral plan of the body framework of state for driving engine, Fig. 3 is the transparent view of this body framework, Fig. 4 is the birds-eye view of body framework, Fig. 5 partly is the figure at center for the airfilter of representing from the car body right side, Fig. 6 carries the transparent view of state for the car body of expression airfilter part, Fig. 7 is the lateral plan of the body framework holding state of expression airfilter, Fig. 8 is the 8-8 line cutaway view of Fig. 7, Fig. 9 is anterior dividing wall is represented in expression with deployed condition figure, Figure 10 is the figure of the airfilter represented from 10 directions of arrow of Fig. 7, and Figure 11 is the lateral plan that has dissectd the part of airfilter, and Figure 12 represents conduit, A is the cutaway view of its length direction, and B is the figure of the end surface shape of expression air suctiton inlet.
At first, in Fig. 1～Fig. 5, summary description automatic two-wheeled cycle and body framework.As shown in Figure 1, this body framework 1 has: head pipe 4, connect the front fork 3 that supports front-wheel 2, and it is free that it is handled; A body frame 5, from the beginning pipe is to the below bending extension that retreads; Seat rail 6 is arranged on the centre portion of body frame 5; Engine lifting bracket 7 is arranged on the bottom of body frame 5 and forwards outstanding; With pivot plate 8, be installed in the bottom of body frame 5.
As shown in Figure 2, on engine lifting bracket 7, the top of the gearbox body 11 of formation driving engine 10 is supported via support 12.In addition, the rearward end of gearbox body 11 is also supported via another support 12 of pivot plate 8.Driving engine 10 has the cylinder 13 that leans forward that almost forwards falls down, and its air suctiton inlet is connected with gasifier 15 via intake guide 14 from top to bottom.
Gasifier 15 is air-breathing from the airfilter 16 at its rear, and airfilter 16 is connected with the support plate 18 of body frame 5 by support plate 17, is supported by body frame 5.Airfilter 16 is positioned at the top of gearbox body 11 and the place ahead, bottom of body frame 5, possesses the dividing wall 20 of the space setting that forms between airfilter 16 and body frame 5 and gearbox body 11.
As can be seen from Figure 3, engine lifting bracket 7 is by forwards open and form roughly that the metal sheets such as iron of コ word shape constitute, the bottom front surface butt of pars intermedia 21 and body frame 5, by welding wait be mounted to integrated.
Be general triangular during 22 side-lookings of left and right sides side wall portion, tiltedly parallel beneath is extended forward, its leading section 23 supporting brackets 12.In addition, the recess 24 that near the formation of leading section 23 is caved in upward is used to hold the protrusion 25 (Fig. 5) that is formed at gearbox body 11 tops.
In addition, position vehicle-width direction one side of being partial to pars intermedia 21 (being the car body left side in the drawings), support plate 26 waits by integrated by welding, this support plate 26 is connected with the car body left side of dividing wall 20 on one side by bolt 26a and nut 26b (Fig. 8), thereby only supports dividing wall 20 by 26 1 positions of support plate.
As can be seen from Figure 4, body frame 5 is a tubular part of the direction configuration forwards, backwards along the car body center, and seat rail 6 forwardly forms the ring-type of overlooking with the rear portion, and then the rear portion of seat rail 6 and backstay 42 also form big ring-type when overlooking.The left and right sides wall portion 22 of engine lifting bracket 7 stretches out to about body frame 5 respectively.
As shown in Figure 5, from the beginning label 27 expression main wire bundlees manage 4 along the lower surface of body frame 5 distribution downwards, and are fixed by clip, extend by side direction rear vehicles in the dividing wall 20 as hereinafter described.
In addition, the label 36 expression gas leakage pipes among Fig. 5 are connected connection pipe 37 with prefilter 38, and prefilter 38 is connected with the connection pipe of giving prominence to from gearbox body 11 tops 39.Thus, the gas leakage from driving engine is imported into airfilter 16 via prefilter 38 and gas leakage pipe 36.
Referring again to Fig. 1, label 40 expression seats are supported on above the seat rail 6.Seat rail 6 forms two sections of the front and back that the front side is low, rear side is high, and the front side is that the carriage 41 in the roughly コ word shape cross section on the curve is connected with being arranged on body frame 5 pars intermedias.Label 42 expression backstays.
Carriage 41 also supports the upper end of the posterior bumper 43 that constitutes rear suspension.The bottom of posterior bumper 43 is connected with the pars intermedia of back swing arm 44.The pivot 45 at the approximate centre position of the leading section of this back swing arm 44 by being arranged on pivot plate 8 supports, and can freely shake at above-below direction, and rearward end supports trailing wheel 46.Label 47 expression handgrips, 48 expression headlights.
The following describes airfilter 16.As Fig. 6～shown in Figure 8, airfilter 16 connects connection pipe 51 in the front of the case of air cleaner 50 of metal tubular, and the metal side shielding 52 of pair of parallel is set about the back.In addition, case of air cleaner 50 is not limited to metal with side shielding 52 and makes, and also can use resin, but preferably be formed by same type of material respectively.
About side shielding 52 between intake guide 53 is set.This side shielding 52 enters between the left and right sides side wall portion 22 of engine lifting bracket 7, and edge, its rear end is crooked and extend downwards along body frame 5, and the front part of side-looking and body frame 5 is overlapping, and bottom and side wall portion 22 inboards have the interval and overlapping simultaneously.
Covered by anterior dividing wall 54 between each leading edge of left and right sides side shielding 52 between case of air cleaner 50 and the gearbox body 11.Anterior dividing wall 54 is overlapping with the anterior upside of the left and right sides and side shielding 52, utilizes pawl 55 to fasten.Constitute dividing wall 20 by these side shielding 52 and anterior dividing wall 54.
As can be seen from Figure 6, anterior dividing wall 54 covers 12 from case of air cleaner 50 to support between each front surface of side shielding 52 on right side, as shown in Figure 7, its upper end leak-tight joint is at the lower surface of case of air cleaner 50, and the lower end leak-tight joint is at the upper surface of gearbox body 11.Label 19a among the figure represents bolt, with nut 19b shown in Figure 5, connects the top of leading section 23 and gearbox body 11 via support 12.
As shown in Figure 7, the top of support plate 26 is more outstanding than side wall portion 22, as hereinafter described, can fix by bolt 26a from the car body side.Label 56 expression airfilter exhaust tubes among the figure, 57 expressions are used for gas leakage pipe 36 clips that are fixed on the case of air cleaner 50,58 expression lids, 59 expression bolts.
As shown in Figure 8, about side shielding 52 be parallel, the space that the anterior dividing wall that sets up between front edge separately 54 and body frame 5 surround forms intake guide space 60 is set.This intake guide is provided with and holds intake guide 53 in the space 60.Intake guide 53 extends downwards along body frame 5 in intake guide is provided with space 60.
Each rear end 52a of side shielding 52 not with engine lifting bracket 7 butts, form a little gap S.Therefore, can prevent to contact between the metal of side shielding 52 and engine lifting bracket 7 and produce noise, and contain the rear portion of the side shielding 52 of rear end 52a, be positioned in side wall portion 22 inboards and have position at interval, side-looking is overlapping with body frame 5 formation D1's.Label 26a represents bolt, and 26b represents nut, support plate 26 is connected on the side shielding 52 in car body left side in the dividing wall 20.
In addition, side shielding 52 be positioned at its outside and have side wall portion 22 at interval, it is overlapping that side-looking also forms D2.Therefore, from outside suction air, by the outboard channel P1 that forms by the space between side wall portion 22 and the side shielding 52, and then by the reverse inboard channel P2 that forms by the space between side shielding 52 and the body frame 5 that passes through of gap S, the arrival intake guide is provided with the intake guide 53 in the space 60, has formed the path of labyrinth structure.
As shown in Figure 9, the plate-shaped member of anterior dividing wall 54 for constituting, central part 61 by elastic bodys such as rubber form with about the identical width in interval of side shielding 52.In addition, anterior dividing wall 54 need not use rubber, so long as the material of easy elastic deformation also can use elastic body or suitable resin materials such as polyurethane.
According to the broken line 62 that dots about the outside form the sidepiece 63 overlapping with side shielding 52, be provided for fastening the hole 64 of pawl 55 herein.The upper end 65 of central part 61 is more outstanding than sidepiece 63, is bottom leak-tight joint and crooked part along case of air cleaner 50.Bottom 66 is also outstanding than sidepiece 63, the upper surface of its lower end butt gearbox body 11.Bottom 66 forms recess 67, protrusion that can tight chimeric gearbox body 11 upper surfaces.
When this front portion dividing wall 54 is installed, the sidepiece 63 of either side is overlapping with the side shielding 52 of respective side, pawl 55 is put into hole 64 fasten,, pawl 55 is fastened on the hole 64 of sidepiece 63 overlapping under the rearward strong situation about stretching in the other side 63 with cooresponding side shielding 52.Afterwards, when decontroling the sidepiece 63 that stretches, anterior dividing wall 54 will restore because of the elastic force of self, but the pawl 55 in the side shielding 52 about passing through is fastened by the state that to a certain degree stretches, so can snugly fit between the side shielding 52.
Below, further describe airfilter.Shown in Figure 10～12, case of air cleaner 50 forms metal cylindrical shape, and its inside is divided into impurity side (dirtyside) 71 and clean side (clean side) 72 by element 70.As shown in figure 10, covered by a pair of lid 58 about case of air cleaner 50, bolt 59 by pass-through member 70 being with being connected of nut 59a and assembled, thus element by untiing being connected, opening and cover 58 of bolt 59 and nut 59a, element 70 can exchange easily.Label 17a among the figure represents bolt, and 17b represents nut, is connected on the support plate 18 of body frame 5 sides by these support plates 17 with case of air cleaner 50 sides.
The opening 73 of impurity side 71 connects an end of intake guide 53, and the littler opening 74 that case of air cleaner 50 bottoms in its vicinity form connects airfilter exhaust tube 56.The opening 75 of clean side 72 connects an end of connection pipe 51.In addition, an end face of connection pipe 37 is to clean side 72 inside.
The extraneous gas that enters from the air suctiton inlet 80 of intake guide 53 enters impurity side 71, purifies and flows out to connection pipe 51 from clean side 72 by element 70.At this moment, the water that remains in impurity side 71 bottoms is discharged from airfilter exhaust tube 56.In addition,,, enter in the clean side 72 by connection pipe 39, prefilter 38, gas leakage pipe 36 and connection pipe 37 from the gas leakage of gearbox body 11, from connection pipe 51 by air-breathing.
The open end 85 of minor diameter 82 is than 84 low d1 of open end of large-diameter portion 81, and retreats to the inside.From the B of end surface shape of expression air suctiton inlet 80 as can be seen, between large-diameter portion 81 and the minor diameter 82 by approximately connecting with 120 ° of radial waterproof reinforced muscle that form at interval 86.85 low d2 of front end ratio open end of waterproof reinforced muscle 86 and forming.
The space that forms between large-diameter portion 81 and minor diameter 82 is further divided by waterproof reinforced muscle 86, forms the terminal recess 87 of trisection in graphic example.Therefore, the part of the extraneous gas that sucks from air suctiton inlet 80 as shown by arrows, enters terminal recess 87, herein oppositely and once more from open end 85 inlet passages 83.Therefore, between this, form labyrinth structure, carry out gas-liquid separation.The other end of intake guide 53 forms coupling end 88, forms embeded slot 89 herein, the edge of opening of the opening 73 of chimeric case of air cleaner 50.
The following describes the effect of present embodiment.At first; airfilter 16 is arranged on gearbox body 11 tops of driving engine 10 and the place ahead, bottom of body frame 5; simultaneously its intake guide 53 is extended downwards along body frame 5 from the rear of case of air cleaner 50; and from the place ahead and the left and right sides cover its air suctiton inlets 80 with dividing wall 20; so can utilize driving engine 10 and body frame 5; by the space of their protections intake guide 53 is being set; and utilize dividing wall 20 to cover, thereby can effectively prevent to sneak into foreign matters such as water or dust from air suctiton inlet 80.In addition, with different, can correctly set the structure of air suction way, so can constantly keep air-breathing characteristic from the air-breathing situation of the inner space of body frame 5.
In addition, because pair of right and left side shielding 52 is overlapping from the part of side-looking and body frame 5 in dividing wall 20, so can between the rearward end 52a of body frame 5 and side shielding 52, form the air suction way of the labyrinth structure of the bending that constitutes P1 and P2, so can utilize body frame 5 to promote gas-liquid separation, stop sneaking into of foreign matter reliably.
And then, enter from each inboard of the side wall portion 22 of the engine lifting bracket 7 of body frame 5 pair of right and left and extension by making side shielding 52, engine lifting bracket 7 effectively can be utilized as guard block.And, also can make the gap turn narrow between the side shielding 52.In addition, can utilize support plate 26, only support dividing wall 20 by a position.
In addition, constitute anterior dividing wall 54, thereby can be easily mounted on side shielding 52 sides by elastomeric element, simultaneously its bottom 66 can leak-tight joint at the upper surface of gearbox body 11.Therefore, can stop foreign matters such as relative air suctiton inlet 80 water sudden or dust reliably from car body the place ahead.In addition, collide the many front surface sides of chance, can cushion and stop slungshot etc., and the surface is not easy damaged, and can make it not remarkable, therefore can keep good surface appearance for a long time by constitute slungshot etc. by elastomeric element.
In addition, air suctiton inlet 80 forms the inside and outside dual structure of large-diameter portion 81 and minor diameter 82, between this large-diameter portion 81 and the minor diameter 82 waterproof reinforced muscle 86 is set,, can promotes gas-liquid separation thus so also can form labyrinth structure in the inboard of air suctiton inlet 80.
In addition, pass through along body frame 5 to the inboard of side shielding 52 by making main wire bundle 21, can it is hidden, improve appearance.And, for metal case of air cleaner 50, also constitute side shielding 52 by metal, thereby the main outward appearance part integral body except anterior dividing wall 54 all is that metal is made, for example, under the resin situation that combination is compared with metallo-, can demonstrate the one sense more as airfilter 16 integral body, can improve appearance.
The invention effect
According to technical scheme 1, air filter is arranged on the bottom of engine top and body frame The place ahead makes intake guide extend along body frame from the air filter rear simultaneously downwards, and Utilize dividing wall from the place ahead and the left and right sides covers its air entry, so can keep constant suction The gas characteristic can prevent from simultaneously sneaking into from air entry the foreign matters such as water or dust.
According to technical scheme 2 and since in dividing wall side shielding from one of side-looking and body frame Overlap, so can between body frame and side shielding, form the air-breathing logical of labyrinth structure The road, and can promote gas-liquid separation, stop reliably sneaking into of foreign matter.
According to technical scheme 3, enter the pair of right and left that forms from body frame by making side shielding And the inboard of the engine lifting bracket that extends can be effectively sharp as guard block with engine lifting bracket With. And the gap between the side shielding also can narrow down.
According to technical scheme 4, consist of anterior dividing wall by elastomeric element, so can pacify easily Be contained in the side shielding side, its underpart can closely be connected the top of motor simultaneously. Thereby, Can stop reliably the foreign matters such as the relative air entry water sudden from car body the place ahead or dust.
According to technical scheme 5, in the inboard of air entry the waterproof reinforced muscle is set, so air-breathing The mouth inboard can form labyrinth structure, promotes thus gas-liquid separation.
Claims (4)
1. the air suction structure of an automatic two-wheeled cycle, from the beginning manage (4) supported underneath driving engine (10) to the body frame (5) of oblique below extension, in the top of this driving engine (10) and the place ahead of the bottom of described body frame (5) airfilter (16) is set, it is characterized in that, at the rear portion of described airfilter (16) intake guide (53) is extended downwards along body frame (5), and be provided with from the place ahead and the left and right sides covers the dividing wall (20) of the air suctiton inlet (80) of this intake guide (53), in described dividing wall (20), cover the side shielding (52) of described air suctiton inlet (80) from sidepiece, when side-looking and the part of described body frame (5) overlapping.
2. the air suction structure of automatic two-wheeled cycle as claimed in claim 1, it is characterized in that, in described dividing wall (20), cover the side shielding (52) of described air suctiton inlet from sidepiece, enter the pair of right and left that forms from described body frame (5) and the inboard of the engine lifting bracket (7) that extends.
3. the air suction structure of automatic two-wheeled cycle as claimed in claim 1, it is characterized in that, in described dividing wall (20), cover the anterior dividing wall (54) of described air suctiton inlet (80) from the place ahead, constitute the tight butt of the upper surface of its underpart and described driving engine by elastomeric element.
4. the air suction structure of automatic two-wheeled cycle as claimed in claim 1 is characterized in that, in air suctiton inlet (80) inboard of described intake guide (53) waterproof reinforced muscle (86) is set.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003009397A JP4236471B2 (en) | 2003-01-17 | 2003-01-17 | Intake structure of motorcycle |
| JP009397/2003 | 2003-01-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1517242A CN1517242A (en) | 2004-08-04 |
| CN100478210C true CN100478210C (en) | 2009-04-15 |
Family
ID=32898907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100016576A Expired - Fee Related CN100478210C (en) | 2003-01-17 | 2004-01-09 | Aspirator structure of automatic two-wheel cycle |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4236471B2 (en) |
| CN (1) | CN100478210C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4472466B2 (en) * | 2004-08-27 | 2010-06-02 | 本田技研工業株式会社 | Vehicle intake system |
| JP4695053B2 (en) * | 2006-11-02 | 2011-06-08 | 本田技研工業株式会社 | Motorcycle |
| JP4926108B2 (en) * | 2008-03-31 | 2012-05-09 | 本田技研工業株式会社 | Intake device for motorcycle |
| JP5683162B2 (en) * | 2010-07-28 | 2015-03-11 | 三菱電機株式会社 | Cooker |
| JP5960998B2 (en) * | 2012-02-07 | 2016-08-02 | 本田技研工業株式会社 | Motorcycle |
| JP6905092B2 (en) * | 2018-01-17 | 2021-07-21 | 本田技研工業株式会社 | Saddle-type vehicle |
| EP3741988B1 (en) * | 2018-01-17 | 2023-03-15 | Honda Motor Co., Ltd. | Air cleaner |
| WO2019142279A1 (en) * | 2018-01-17 | 2019-07-25 | 本田技研工業株式会社 | Air cleaner |
| JP7309681B2 (en) | 2020-11-10 | 2023-07-18 | 本田技研工業株式会社 | saddle-riding vehicle |
-
2003
- 2003-01-17 JP JP2003009397A patent/JP4236471B2/en not_active Expired - Fee Related
-
2004
- 2004-01-09 CN CNB2004100016576A patent/CN100478210C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004217156A (en) | 2004-08-05 |
| CN1517242A (en) | 2004-08-04 |
| JP4236471B2 (en) | 2009-03-11 |
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