CN102016283A - Air intake device for two-wheeled motor vehicle - Google Patents
Air intake device for two-wheeled motor vehicle Download PDFInfo
- Publication number
- CN102016283A CN102016283A CN2009801023652A CN200980102365A CN102016283A CN 102016283 A CN102016283 A CN 102016283A CN 2009801023652 A CN2009801023652 A CN 2009801023652A CN 200980102365 A CN200980102365 A CN 200980102365A CN 102016283 A CN102016283 A CN 102016283A
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- CN
- China
- Prior art keywords
- surrounding wall
- suction tude
- right sides
- space
- wheeled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
- B62K11/02—Frames
- B62K11/04—Frames characterised by the engine being between front and rear wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J15/00—Mud-guards for wheels
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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
- F02M35/024—Air cleaners using filters, e.g. moistened
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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
- F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
- F02M35/162—Motorcycles; All-terrain vehicles, e.g. quads, snowmobiles; Small vehicles, e.g. forklifts
Abstract
An air intake device for a two-wheeled motor vehicle, wherein an air intake path has a simplified structure and the degree of freedom in arrangement of parts around a surrounding wall is increased. An air intake structure for a two-wheeled motor vehicle has an air intake duct (43), which extends from an air cleaner box (40) in front of a rear fender (51), exposed to an air intake space (K1) in a surrounding wall (61) upstanding on the rear fender (51). The air intake duct (43) extends rearward from one side of the air cleaner box (40) and penetrates through a side section (65a) of the surrounding wall (61) so as to connect an air intake opening (43a) to the air intake space (K1).
Description
Technical field
The present invention relates to the air inlet system that two-wheeled motor is used.
The present invention is based on and on March 31st, 2008 proposed the Japanese Patent Application 2008-091645 of patent application and advocate its preference, quote its content in Japan.
Background technique
A kind of so two-wheeled air inlet system is arranged in the prior art, its the occupant take a seat the under-seat setting of usefulness be used for covering trailing wheel above rear mudguard, be provided for engine charge filtered air cleaner box in the place ahead of this rear mudguard, on the front portion of above-mentioned rear mudguard, standing the surrounding wall that is used for forming open upward admission space is being set, the suction port of front end that makes the suction tude of extending from above-mentioned air cleaner box is facing to above-mentioned admission space, wherein, it is crooked towards the rear after extend the oblique back upper place of above-mentioned suction tude side direction from the rear portion of above-mentioned air cleaner box, enter in this surrounding wall from the top of the front, center of above-mentioned surrounding wall, make above-mentioned suction port facing to above-mentioned admission space (for example with reference to patent documentation 1).
Patent documentation 1: No. 3308340 communique of Japan's special permission
Summary of the invention
But, above-mentioned existing formation, because suction tude enters in this surrounding wall from the top of surrounding wall, thereby be easy to generate bigger gap between the base plate of surrounding wall and seat, and, the suction port of suction tude is at the superficial position (top) of admission space opening, thereby,, the situation of foreign matter being invaded this suction port need near admission space, form the inlet air pathway of the labyrinth structure of more complicated for being suppressed, perhaps, there is the problem of air inlet system structure complicated in order to make suction port at the deep position opening of admission space and suction tude need be extended.
In addition, require the size of stipulating owing to be used for guaranteeing the surrounding wall of admission space capacity, so, when suction tude can reduce the shape of surrounding wall, the degrees of freedom of configuration when the top of the front, center of this surrounding wall enters, there is the problem that is difficult to around surrounding wall, dispose accessory classes such as parts of electric.
The objective of the invention is to, the admission space two-wheeled air inlet system in opposite directions in suction tude of extending and the upright surrounding wall that is located on the rear mudguard, seek the simplification of inlet air pathway and the degrees of freedom of the component configuration around the raising surrounding wall from the air cleaner box in rear mudguard the place ahead.
Solution as above-mentioned problem, first aspect present invention is a kind of two-wheeled air inlet system, and described two-wheeled air inlet system is provided with: be used for covering the rear mudguard (for example embodiment's anterior rear mudguard 51) of the top of trailing wheel (for example trailing wheel among the embodiment 7) in take a seat seat (for example seat among the embodiment 38) below of usefulness of occupant, the air cleaner box (for example embodiment's air cleaner box 40) that is used for the inlet air filtration of motor (for example embodiment's motor 31) in the place ahead of this rear mudguard, found the surrounding wall (for example embodiment's surrounding wall 61) that is used for forming open upward admission space (for example embodiment's admission space K1) above the front portion that is located at described rear mudguard, with the suction tude (for example embodiment's suction tude 43) of extending from described air cleaner box; The suction port of the front end of this suction tude (for example embodiment's suction port 43a) is communicated with described admission space, it is characterized in that: described suction tude is extended towards the rear from a side of described air cleaner box, and runs through the sidepiece (for example embodiment's preceding right side wall 65a) of described surrounding wall so that described suction port faces toward described admission space.
The feature of second aspect present invention is, described surrounding wall bias is provided with in described suction tude side, because of described surrounding wall bias two-wheeled accessory class of configuration in the space that the opposition side of described suction tude forms, and when being observed in the side, described two-wheeled accessory class overlaps with described surrounding wall.
The feature of third aspect present invention is, side in the described suction tude side of described air cleaner box is provided with the cover (for example embodiment's duct cap 46) that can install and remove in order to maintain air filter element (for example embodiment's air filter element 42), the radicle of described suction tude is installed on the described cover, and the front end of described suction tude can be installed in the sidepiece of described surrounding wall with installing and removing, and described cover and suction tude are configured in when observing in the side by the frame parts of vehicle frame (for example embodiment's vehicle frame 5) (embodiment's body frame 11 for example, seat frame 21, subframe 22) in the space that surrounds.
According to first aspect present invention, suction tude runs through the sidepiece of surrounding wall and enters in this surrounding wall, thereby, dwindled the gap between the base plate of surrounding wall and seat, and can be in the deep position of admission space with the suction port opening, need not the inlet air pathway of complicated labyrinth structure to be set towards the intrusion of this suction port or, can to seek the simplicity of inlet air pathway and this air inlet system the suction tude excessively extension in order to suppress foreign matter.
According to second aspect present invention, not only can guarantee the capacity of admission space, and can guarantee component configuration space in the side of the opposition side of the suction tude of surrounding wall, improve the configuration degrees of freedom of parts classes such as parts of electric.And, compare with the occasion that above-mentioned parts class is configured in the rear of surrounding wall, can be the intensive front portion of surrounding wall and parts class to rear mudguard, can enlarge the space in toolbox above the rear mudguard rear portion etc.
According to third aspect present invention, suction tude is pulled down and cover is pulled down from the air-strainer box body from the sidepiece of surrounding wall, just they can be taken out from above-mentioned space to the vehicle body side under mutually integrated state, and can under integrated mutually state, insert them assigned position, be installed on air cleaner box and the surrounding wall respectively from above-mentioned space.That is, can make the maintenance that the cover mounting or dismounting are easy, improve air filter element.
Description of drawings
Fig. 1 is the two-wheeled left surface figure in the embodiments of the invention.
Fig. 2 is the left surface figure of above-mentioned two-wheeled vehicle frame, air cleaner box and anterior rear mudguard.
Fig. 3 is the plan view of structure shown in Figure 2.
Fig. 4 is the right hand view of structure shown in Figure 2.
Fig. 5 is the left surface figure of above-mentioned air cleaner box and anterior rear mudguard.
Fig. 6 is the plan view of structure shown in Figure 5.
Fig. 7 is the A sectional view of Fig. 5.
Description of reference numerals
1 is two-wheeled
5 vehicle frames
7 trailing wheels
11 body frames (frame parts)
21 seat frames (frame parts)
22 subframes (frame parts)
31 motors
38 seats
40 air cleaner box
42 air filter elements
43 suction tude
The 43a suction port
46 duct cap (cover)
51 anterior rear mudguards (rear mudguard)
61 surrounding walls
The K1 admission space
Right side wall (sidepiece) before the 65a
Embodiment
Embodiments of the invention are described with reference to the accompanying drawings.In the following description, all around wait towards, if there is not special instruction, then with vehicle in towards identical.And the arrow FR among the figure represents that vehicle front, arrow LH represent that vehicle left, arrow UP represent the vehicle top.
As shown in Figure 1, the left and right sides front fork 3 to the front-wheel 2 of two-wheeled (Straddle riding type vehicle) 1 carries out the axle support can turn to the ground pivot to prop up on the head pipe 6 of vehicle frame 5 front ends by turning to axostylus axostyle 4.On the other hand, trailing wheel 7 is carried out the swing arm 8 that axle supports, its front end ground pivot that can swing up and down props up on the left and right sides pivot support frame 9 of vehicle frame 5 substantial middle.Between the rear portion of the rear portion, the left and right sides of swing arm 8 and left and right sides seat frame 21, clamping left and right sides posterior bumper 8a respectively.
Merging is with reference to Fig. 2, Fig. 3, and vehicle frame 5 waits multiple steel are combined into one by welding and forms, and formation is based on the so-called rhombus style of the left and right sides body frames 11 of from the beginning managing 6 extensions.
Left and right sides body frame 11, when observing, the side from the beginning manages 6 top relatively under the gentle dip geosyncline after the rear extension, crooked downwards via the first curved part 11a, be the inclination of comparison urgency and after extend the oblique rear lower side, forwards crooked and extend in the behind of left and right sides pivot cradle 9 to oblique front lower place via the second curved part 11b.About the second curved part 11b front side (interior all sides) respectively solder bond left and right sides pivot cradle 9.
On left and right sides body frame 11, between the position above the left and right sides pivot cradle 9, set up central upper beam 12, between the underpart below the left and right sides pivot cradle 9, set up central bottom end rail 13.
When above shown in Figure 3, observing, rearward crooked after from the beginning left and right sides body frame 11 is managed 6 top is extended in the outside to about oblique back in separated mode via the 3rd curved part 11c, behind the almost parallel that becomes each other to oblique rear extension down.Upper beam 14 before setting up between the 3rd curved part 11c on left and right sides body frame 11.
When observing in the side, left and right sides undercarriage 15 from the beginning manages 6 bottom to the tiltedly linearly extension in rear down.From the beginning after managing 6 bottom in the above when left and right sides undercarriage 15 is observed extending in the outside to about oblique back in the mode that is separated from each other, rearward crooked via the 4th curved part 15a, become each other almost parallel and to oblique rear extension down.Bottom end rail 16 (with reference to Fig. 2) before setting up between the position at the rear of the 4th curved part 15a on left and right sides undercarriage 15.
Gusset 17a on the upper bond of setting up front end and head pipe 6 between the anterior upside of left and right sides body frame 11 sets up the following gusset 17b of front end and the lower bond of head pipe 6 similarly between the underside of forward of left and right sides undercarriage 15.And, between the front end of left and right sides body frame 11 and left and right sides undercarriage 15, set up the left and right corner fagging 17c that front end engages with the intermediate portion of head pipe 6 respectively.And then, between the upside of the 4th curved part 15a of the downside of the 3rd curved part 11c of left and right sides body frame 11 and left and right sides undercarriage 15, set up left and right corner fagging 18 respectively.
Left and right sides seat frame 21 begins the ground of lifting slightly rearward from the position under the first curved part 11a of left and right sides body frame 11 and rearward extends, and becomes rear extension on the rapid geosyncline slightly via the 5th curved part 21a inclined degree.Left and right sides subframe 22 begins to tiltedly going up rear extension, the following side engagement of the 5th curved part 21a of the rearward end of this left and right sides subframe 22 and left and right sides seat frame 21 from the position directly over the second curved part 11b of left and right sides body frame 11.Cushioning gusset 23 between the rear portion downside of the top of left and right sides seat frame 21 downside and left and right sides subframe 22 respectively about welding joint, about this, clamp left and right sides posterior bumper 8a (with reference to Fig. 1) respectively between the rear portion, the left and right sides of buffering gusset 23 and swing arm 8.
Setting up centre cross member 24 and rear cross beam 25 (with reference to Fig. 3) between the intermediate portion of left and right sides seat frame 21 and between the rearward end respectively.Be bonded on the front end of the left and right sides running-board bracket 26 of the U font that is open towards the place ahead when the side is observed between the second curved part 11b rear side of the underside of forward of left and right sides subframe 22 and left and right sides body frame 11 respectively, the pedal that the rear portion co-rider is used (not shown) is supported on the rearward end of this left and right sides running-board bracket 26 on the outstanding support bracket 26a that is being provided with.
With reference to Fig. 1,, carrying motor 31 as prime mover of two-wheeled 1 in vehicle body substantial middle portion.Motor 31 is the single cylinder engine of bent axle along left and right directions (vehicle-body width direction), at the upright gas 33 of establishing of the front upper of its crankcase 32.Setting-in the piston that can move back and forth in cylinder 33, and the to-and-fro motion of this piston is transformed into the rotational motion (all not shown) of bent axle by connecting rod.The output of motor 31 is output to the rear portion left side of crankcase 32, and the driving mechanism by the chain drive-type is delivered to trailing wheel 7.
The front end (end of downstream side) of vaporizer (or throttle valve body) 34 is connected to the rear portion of cylinder 33 from the rear, the air cleaner box 40 of Xiang Shuing is connected to the rearward end (upstream-side-end) of this vaporizer 34 from the rear hereinafter.The radicle that connects outlet pipe 35 in the front portion of cylinder 33, this outlet pipe 35 the place ahead of gas 33 and below crooked and below crankcase 32, extend towards the rear, the front end of its front end with the silencing apparatus 36 that is provided in trailing wheel 7 right sides is connected.
Merging is with reference to Fig. 2, the front end of the crankcase 32 of motor 31 is supported on the underpart of left and right sides undercarriage 15 by preceding support bracket 15b, the rear portion upside of crankcase 32 is supported on the central upper beam 12 by rami posterior superior bracketing frame 12a, the rearward end downside of crankcase 32 is supported on the central bottom end rail 13 by rami posterior inferior bracketing frame 13a, thereby motor 31 is hung on vehicle frame 5.
With reference to Fig. 5, Fig. 6, air cleaner box 40 mainly by profile be cube-shaped hollow air filter case 41, be housed in the air filter element 42 (with reference to Fig. 6) in this air filter case 41 and be used for to this air filter case 41 in, importing outside suction tude 43 formations of gas.
Merging is with reference to Fig. 2, when the upper wall portions 41a of air filter case 41 observes in the side between the front portion of left and right sides seat frame 21, front wall portion 41b is between the rake below the first curved part 11a of left and right sides body frame 11, and the bight K between rear wall parts 41c and lower wall portion 41d is positioned between the intermediate portion of left and right sides subframe 22.The lower wall portion 41d approximate horizontal of air filter case 41 ground is provided with, the upper wall portions 41a earth tilt setting that slightly forwards descends.
With reference to Fig. 6, left and right sides side wall portion 41e, the 41f of air filter case 41 are obliquely installed with respect to fore-and-aft direction in the forward more mode that is positioned at the right side, and also are obliquely installed with respect to left and right directions with the 41b of front and rear wall portion, the 41c of their approximate vertical.That is, air filter case 41 integral body are obliquely installed in the moving mode that bears right when overlooking observation.Air-strainer is configured to, and overlooks when observing, and its central position is positioned on the center line C1 of the vehicle body left and right sides.
With reference to Fig. 5, the 41b of front and rear wall portion, the 41c of air filter case 41 is provided with when observing in the side in the mode of leaning on upside to be positioned at the front side more obliquely.And the above-mentioned bight K of air filter case 41 forms the chamfering shape of the straight line shape of rear lifting earth tilt when observing in the side.The rearward end of above-mentioned vaporizer 34 (upstream-side-end) is connected the front wall portion 41b (with reference to Fig. 1) of air filter case 41.
With reference to Fig. 6, air filter case 41 is made by synthetic resin, cuts apart to constitute towards the case body 44 of right-hand opening and cover (constituting above-mentioned right side wall portions 41f's) case lid 45 of its right opening.And the middle body opening the when side of case lid 45 is observed is square when becoming the side observation, and this opening is covered by single in addition duct cap 46.
Merging is with reference to Fig. 4, and the profile that duct cap 46 is suppressed for left and right sides width is cube-shaped hollow part, and is open towards left (case lid 45 sides), and the inner space of its inner space with air filter case 41 is communicated with.The above-mentioned air filter element 42 of thick plate-like in clamping between case lid 45 and duct cap 46.
The radicle of the above-mentioned suction tude 43 that the flexible resin(a) of chimeric installation rubber etc. constitutes on the rear wall parts 46a of duct cap 46.The long and cross section of suction tude 43 above-below directions is hollow ellipticity and extends at fore-and-aft direction that its front end (rearward end) is kept by the sidepiece of the upright surrounding wall of establishing 61 on the anterior rear mudguard 51 described later.Suction tude 43 is from the rear wall parts 46a lifting ground extension slightly towards the rear of duct cap 46, and to oblique back left side (about inboard) bending, its front end runs through the preceding right side wall 65a with the above-mentioned surrounding wall 61 of its approximate vertical, makes suction port 43a as its front opening facing to the admission space K1 that is surrounded by surrounding wall 61.
And, during motor 31 operations, its intake negative-pressure is attracted to the outer gas in the above-mentioned admission space K1 in the suction tude 43 from suction port 43a, should outer gas by above-mentioned air filter element 42 and be filtered, and arrive than the space in the relatively large air filter case 41, outer gas after the described filtration becomes the mixed gas that has mixed fuel by vaporizer 34, is fed into the firing chamber in the cylinder 33.
With reference to Fig. 5, suction tude 43 is positioned at the intermediate portion up and down of air filter case 41, its suction port 43a from be positioned at air filter case 41 and surrounding wall 61 directly over the base plate 38a of seat 38 leave downwards, this suction port 43a is configured in the deep position (bottom) in the above-mentioned admission space K1.Thus, not only do not need near the inlet air pathway of the labyrinth structure of admission space K1 etc., and, can effectively stop foreign matter to invade suction port 43a, and the admission space K1 in the surrounding wall 61 can also together play the effect of air aspiration cavity with the space in the air filter case 41.
With reference to Fig. 1, in two-wheeled 1, the top of front-wheel 2 is covered by front mudguard FF, and on the other hand, the top of trailing wheel 7 is covered by rear mudguard RF.
Rear mudguard RF is made by synthetic resin, the rear portion rear mudguard 52 of the top, rear portion of being cut apart the anterior rear mudguard 51 that constitutes the front upper that covers trailing wheel 7 and covering trailing wheel 7.
With reference to Fig. 2, Fig. 5, Fig. 6, anterior rear mudguard 51 is the integrally formed parts of resin, is mainly roughly the outstanding forniciform mudguard wing body 53 in the place ahead obliquely when observing in the side.Mudguard wing body 53 has the left and right sides width of big activation frame between the inner side surface of left and right sides seat frame 21, and its front portion is positioned between the rear portion of left and right sides subframe 22, and the rear portion is positioned between the rear portion of left and right sides seat frame 21.Near near above-mentioned bight K (intermediate portion of left and right sides subframe 22), rearward end 53b that the front end 53a of mudguard wing body 53 arrives air filter case 41 arrive near the rearward end of left and right sides seat frame 21.
The keeping arm 54 that under the front end 53a of mudguard wing body 53 is integrally formed in air filter case 41, extends to decline slightly forward.The left and right sides width of keeping arm 54 is identical with mudguard wing body 53, and the flat that is suppressed for thickness up and down, the central upper beam 12 linearly extensions from the front end 53a of mudguard wing body 53 towards above-mentioned vehicle frame 5 when observing in the side.
The front end branch of keeping arm 54 be the left and right sides and about in the middle of these three, its left and right sides is incorporated into the periphery of above-mentioned central upper beam 12 and side from the below when observing is circular-arc, and, about in the middle of be incorporated into the periphery of central upper beam 12 from the top and be circular-arc when observing in the side.The front end of such keeping arm 54 carries out chimeric in the mode that central upper beam 12 is clamped up and down, thereby, the front support of anterior rear mudguard 51 on vehicle frame 5.
Forwardly the left and right sides of rear mudguard 51 is integrally formed from arriving near the left and right sides sidewall 55 the rearward end 53b near the front end 53a of mudguard wing body 53.Left and right sides sidewall 55 forms tabular with the left and right directions approximate vertical, also plays the effect of the reinforced wall that the curved shape to anterior rear mudguard 51 kept.
At the rear portion of left and right sides sidewall 55 upside, setting is with respect to about on the rear portion of left and right sides seat frame 21 differently supported 56 of the prominent support bracket 56a that is establishing mutually, by this supported 56 and support bracket 56a the back support of anterior rear mudguard 51 on vehicle frame 5.
Anterior rear mudguard 51 like this is positioned at the take a seat below of above-mentioned seat 38 of usefulness of occupant.
Form about the rearward end 53b of anterior rear mudguard 51 with widening, the upper end portion of rear portion rear mudguard 52 is installed at this rearward end 53b.And, when forwardly the side on the rear mudguard 51 is observed relatively the rear portion (between rearward end 53b and the above-mentioned surrounding wall 61) of gentle dip above, integrally formed the overlooking of containing space K2 that is used for forming car kits, file etc. is square wall 53c, constitutes the toolbox.
When observing in the side, the front portion of the mudguard wing body 53 of anterior rear mudguard 51 tilts and lifting earth tilt backward integrally formed in the above above-mentioned surrounding wall 61, open above-mentioned admission space K1 above in this surrounding wall 61, forming more hurriedly.
With reference to Fig. 6, surrounding wall 61 have roughly vertical flat left side wall 62 with left and right directions, from the front edge of this left side wall 62 overlook when observing oblique before right-hand diagonally extending flat antetheca 63, from the rear edge of left side wall 62 to the right-hand flat rear wall 64 that roughly extends, frame along left and right directions between the right hand edge of the right hand edge of above-mentioned antetheca 53 and rear wall 64 and overlook the right side wall 65 that bends to へ word shape when observing.
Each wall is interconnected with one another by adjacent component, with all around surrounding ringwise of above-mentioned admission space K1.
Merging is with reference to Fig. 5, front and rear wall 63,64 and preceding right side wall 65a when observing in the side the upside mode that is in the front side tilt.The inclination of the rear wall parts 41c of this inclination and air filter case 41, mutual almost parallel when observing in the side.
In the front portion of mudguard wing body 53, below admission space K1, form frame portion 66.Frame portion 66 has when observing in the side and the inclination of front and rear wall 63,64 etc. quadrature and be flat upper wall 66a and roughly quadrature is sagging (with described inclination almost parallel) and be flat downwardly depending wall 66b along left and right directions from the front edge of this upper wall 66a and this front edge along left and right directions roughly.On the prolongation when side that is positioned at downwardly depending wall 66b as the right side edge (left front edge of preceding right side wall 65a) of the antetheca 63 of the front edge of surrounding wall 61 is observed.
At the rear of upper wall 66a, connecting mudguard wing body 53 the front portion the rear lifting bend to mild spherical mudguard wing upper wall 67a, these two upper wall 66a, 67a form diapires 67 that the bottom (lower end of admission space K1) of surrounding wall 61 is inaccessible.
With the front end (rearward end) of described suction tude 43 central part of the preceding right side wall 65a of quadrature roughly, formation makes the long up and down elliptoid opening 68 that the front end of suction tude 43 runs through, and the suction port 43a of front end that makes suction tude 43 by this opening 68 is facing to admission space K1.
For example chimeric the sealed member that soft resin is made is installed in the interior week of opening 68, the periphery of the front end of suction tude 43 is flexibly kept and remains sealing state.Thus, the front end of suction tude 43 can be installed and removed with comparalive ease with respect to the opening 68 of preceding right side wall 65a.
At this, with reference to Fig. 4, suction tude 43 and duct cap 46, be configured in body frame 11 when observing by vehicle frame 5 in the side, in the leg-of-mutton space that left side seat frame 21 and left subframe 22 surround, suction tude 43 is pulled down and meanwhile duct cap 46 pulled down from the body of air cleaner box 40 from right front sidewall 65a, thus, can make suction tude 43 and duct cap 46 integrated state under they are pulled down towards the vehicle body side from above-mentioned space, and, can under the state that suction tude 43 and duct cap 46 is integrated, insert assigned position to suction tude 43 and duct cap 46 from above-mentioned space, be installed in respectively on air cleaner box 40 bodies and the right front sidewall 65a.
With reference to Fig. 6, admission space K1 so that the capacity on center line C1 right side, the vehicle body left and right sides be provided with surrounding wall 61 bias vehicle body right sides greater than the mode of the capacity in left side.Suction tude 43 is positioned at center line C1 right side, the vehicle body left and right sides, therefore we can say that admission space K1 and center line C1 right side, the surrounding wall 61 bias vehicle body left and right sides are that bias suction tude 43 sides are provided with.
The left and right sides width of admission space K1 and surrounding wall 61 is less than the left and right sides width of anterior rear mudguard 51, but, because their bias right sides are provided with, so, produce the bigger space of width, the left and right sides at the left (opposition side of suction tude 43) of surrounding wall 61, utilize the mode that this space will overlap with surrounding wall 61 when observing in the side as the accessory class of fus 69a, the spark coil 69b etc. of two-wheeled 1 parts of electric (side by side) to be configured at vehicle-body width direction and surrounding wall 61.On air filter case 41, disposing CDI (CapacitorDischarge Ignition) unit 69c.
In addition, between the rear wall parts 41c of the antetheca 63 of surrounding wall 61 and air filter case 41, also produce towards left open overlook the space that is viewed as the V font, can in this space, dispose two-wheeled 1 accessory class.Be configured in the parts in the space of such surrounding wall 61 peripheries, covered from the side by above-mentioned side cover 39b in the time of usually, and only pull down and cover side cover 39b and can arrive at easily, improved the maintenance of this arrangement components.
With reference to Fig. 7, surrounding wall 61 erects than the highland from the mudguard wing body 53 of the capacity that is used to guarantee admission space K1 and is provided with, yet the radicle 61a of mudguard wing body 53 sides of this surrounding wall 61 forms the hollow shape open towards the below.
Promptly, when forming higher surrounding wall 61, even the thickness of its forward end is inferior limit, because the relation of the demoulding angle during from the forming die demoulding, it is too thick that the butt side of surrounding wall 61 also can become sometimes, but, even under this occasion, because the radicle 61a of surrounding wall 61 is formed hollow, therefore, even if its profile is formed thicklyer in to guarantee described demoulding angle, also can improve the formability at this position.
As above illustrated, the air inlet system of two-wheeled 1 in the foregoing description, the occupant take a seat usefulness seat 38 below be provided with cover trailing wheel 7 above anterior rear mudguard 51, the air cleaner box 40 that the inlet air filtration of motor 31 is used is set in the place ahead of this front portion rear mudguard 51, on above-mentioned anterior rear mudguard 51 anterior upright establish towards above the surrounding wall 61 of formation admission space K1 of opening, the suction port 43a of front end that makes the suction tude 43 of extending from above-mentioned air cleaner box 40 is facing to above-mentioned admission space K1, wherein, above-mentioned suction tude 43 is extended towards the rear from a side (right side) of above-mentioned air cleaner box 40, run through the sidepiece (preceding right side wall 65a) of above-mentioned surrounding wall 61 and make above-mentioned suction port 43a facing to above-mentioned admission space K1.
Based on this structure, suction tude 43 runs through the sidepiece of surrounding wall 61 and enters in this surrounding wall 61, thus, parts have reduced the gap between the base plate 38a of surrounding wall 61 and seat 38, and, can make the deep position opening of suction port 43a, need not to be provided with the inlet air pathway of the labyrinth structure that is used for suppressing the complexity that foreign matter invades towards this suction port 43a or, can seek the simplification of inlet air pathway and this air inlet system suction tude 43 excessively extensions at admission space K1.
In addition, above-mentioned air inlet system, above-mentioned suction tude 43 sides of above-mentioned surrounding wall 61 bias are provided with, thus, not only guaranteed the capacity of admission space K1 but also can guarantee component configuration space, can improve the configuration degrees of freedom of the parts class of parts of electric etc. in the side with suction tude 43 opposition sides of surrounding wall 61.And, compare with the occasion that above-mentioned parts class is configured in the rear of surrounding wall 61, can be the intensive front portion of surrounding wall 61 and parts class to anterior rear mudguard 51, can enlarge the space in toolbox above the rear portion of anterior rear mudguard 51 etc.
And then, above-mentioned air inlet system, the duct cap 46 that can install and remove for maintenance service air filter element 42 a side setting of above-mentioned suction tude 43 sides of above-mentioned air cleaner box 40, the radicle of above-mentioned suction tude 43 is installed on this duct cap 46, and, can be installed in the sidepiece of above-mentioned surrounding wall 61 to the front end of this suction tude 43 with installing and removing, aforementioned tube drive cap 46 and suction tude 43 are configured in the space that the side surrounds by the frame parts of vehicle frame 5 (body frame 11, seat frame 21, subframe 22) when observing.
According to this structure, as long as suction tude 43 is pulled down and duct cap 46 is pulled down from air cleaner box 40 bodies from the sidepiece of surrounding wall 61, just they can be taken out from above-mentioned space to the vehicle body side under mutually integrated state, and can under integrated mutually state, insert them assigned position, be installed on air cleaner box 40 and the surrounding wall 61 respectively from above-mentioned space.That is, can make the maintenance that cover 46 mounting or dismounting are easy, improve air filter element 42.
And then, above-mentioned air inlet system, above-mentioned surrounding wall 61 and above-mentioned anterior rear mudguard 51 are integrally formed, and, the radicle 61a of anterior rear mudguard 51 sides of this surrounding wall 61 is formed hollow shape, thus, can be integrally formed and seek to cut down number of components surrounding wall 61 and anterior rear mudguard 51, and, even in the occasion that increases the height of surrounding wall 61 in order to ensure the volume of admission space K1, also can guarantee the thickness of its butt side and easily radicle 61a be formed hollow shape, can improve the formability and the design freedom of surrounding wall 61.
Industrial utilizability
According to the present invention, the two-wheeled inlet duct of air inlet pipe facing to the admission space in the vertical surrounding wall that is located on the rear mudguard that extends from the air cleaner box in rear mudguard the place ahead, the simplicity that can seek intake channel also can improve the component configuration free degree on every side of surrounding wall.
Claims (3)
1. two-wheeled air inlet system, described two-wheeled air inlet system is provided with: the occupant take a seat the under-seat of usefulness be used for covering trailing wheel above rear mudguard, be used in the place ahead of this rear mudguard the inlet air filtration of motor air cleaner box, be used for forming the surrounding wall of open upward admission space and the suction tude of extending above the upright front portion that is located at described rear mudguard from described air cleaner box; The suction port of the front end of this suction tude is communicated with described admission space, it is characterized in that:
Described suction tude is extended towards the rear from a side of described air cleaner box, and runs through the sidepiece of described surrounding wall in the mode that described admission space is communicated with described suction port.
2. two-wheeled air inlet system as claimed in claim 1, it is characterized in that, described surrounding wall bias is provided with in described suction tude side, because of described surrounding wall bias two-wheeled accessory class of configuration in the space that the opposition side of described suction tude forms, and when being observed in the side, described two-wheeled accessory class overlaps with described surrounding wall.
3. two-wheeled air inlet system as claimed in claim 1 or 2, it is characterized in that, side in the described suction tude side of described air cleaner box is provided with the cover that can install and remove in order to maintain air filter element, the radicle of described suction tude is installed on the described cover, and the front end of described suction tude can be installed in the sidepiece of described surrounding wall with installing and removing, and described cover and suction tude are configured in the space that is surrounded by the frame parts of vehicle frame when observing in the side.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008091645A JP4926108B2 (en) | 2008-03-31 | 2008-03-31 | Intake device for motorcycle |
| JP2008-091645 | 2008-03-31 | ||
| PCT/JP2009/055040 WO2009122889A1 (en) | 2008-03-31 | 2009-03-16 | Air intake device for two-wheeled motor vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102016283A true CN102016283A (en) | 2011-04-13 |
| CN102016283B CN102016283B (en) | 2013-06-12 |
Family
ID=41135275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980102365.2A Active CN102016283B (en) | 2008-03-31 | 2009-03-16 | Air intake device for two-wheeled motor vehicle |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4926108B2 (en) |
| CN (1) | CN102016283B (en) |
| WO (1) | WO2009122889A1 (en) |
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| CN105579337A (en) * | 2013-09-30 | 2016-05-11 | 本田技研工业株式会社 | Saddled vehicle |
| CN106660602A (en) * | 2014-09-01 | 2017-05-10 | 本田技研工业株式会社 | Saddle-type vehicle |
| CN109891080A (en) * | 2016-09-30 | 2019-06-14 | Tvs电机股份有限公司 | Gas handling system for sulky vehicle |
| CN110318921A (en) * | 2018-03-28 | 2019-10-11 | 本田技研工业株式会社 | The intake section structure of saddle-ride type vehicle |
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| JP5758574B2 (en) * | 2009-12-29 | 2015-08-05 | 川崎重工業株式会社 | Motorcycle |
| WO2012057160A1 (en) * | 2010-10-27 | 2012-05-03 | 本田技研工業株式会社 | Automatic two-wheeled vehicle |
| JP6029448B2 (en) * | 2012-12-17 | 2016-11-24 | 川崎重工業株式会社 | Saddle riding vehicle |
| JP6703821B2 (en) * | 2015-11-27 | 2020-06-03 | 川崎重工業株式会社 | Saddle type vehicle |
| WO2023148755A1 (en) * | 2022-02-02 | 2023-08-10 | Tvs Motor Company Limited | A saddle type vehicle |
| JP7480200B2 (en) | 2022-03-08 | 2024-05-09 | 本田技研工業株式会社 | Saddle type vehicle |
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| CN110318921A (en) * | 2018-03-28 | 2019-10-11 | 本田技研工业株式会社 | The intake section structure of saddle-ride type vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009122889A1 (en) | 2009-10-08 |
| CN102016283B (en) | 2013-06-12 |
| JP2009243380A (en) | 2009-10-22 |
| JP4926108B2 (en) | 2012-05-09 |
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