CN102016283B - Air intake device for two-wheeled motor vehicle - Google Patents
Air intake device for two-wheeled motor vehicle Download PDFInfo
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- CN102016283B CN102016283B CN200980102365.2A CN200980102365A CN102016283B CN 102016283 B CN102016283 B CN 102016283B CN 200980102365 A CN200980102365 A CN 200980102365A CN 102016283 B CN102016283 B CN 102016283B
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- Prior art keywords
- suction tude
- surrounding wall
- space
- wheeled
- air
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Automatic Cycles, And Cycles In General (AREA)
- Body Structure For Vehicles (AREA)
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 advocated its preference, quote its content in Japan.
Background technique
a kind of so two-wheeled air inlet system is arranged in prior art, its the occupant take a seat the under-seat setting of use 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, standing on the front portion of above-mentioned rear mudguard the surrounding wall that is used for forming open upward admission space is being set, make the suction port of front end of the suction tude of extending from above-mentioned air cleaner box 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 the top of suction tude from surrounding wall enters in this surrounding wall, thereby the larger gap of easy generation 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, for the situation of foreign matter being invaded this suction port is suppressed and need to be formed the inlet air pathway of the labyrinth structure of more complicated near admission space, perhaps for suction port need to be extended suction tude at the deep position opening of admission space, there is the problem of air inlet system structure complicated.
In addition, require the size stipulated due to the surrounding wall that is used for guaranteeing the 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 configure the accessory classes such as parts of electric around surrounding wall.
The object of the invention is to, from the air cleaner box suction tude of extending and the admission space two-wheeled air inlet system in opposite directions that stands in the surrounding wall that is located on rear mudguard in rear mudguard the place ahead, seek the simplification of inlet air pathway and the degrees of freedom of the component configuration around the raising surrounding wall.
solution as above-mentioned problem, first aspect present invention is a kind of two-wheeled air inlet system, 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 in embodiment 7) in occupant take a seat seat (for example seat in the embodiment 38) below of use, 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 surrounding wall bias arranges in described suction tude side, configuring two-wheeled accessory class because of described surrounding wall bias in the space of the opposition side formation of described suction tude, and when being observed in the side, described two-wheeled accessory class overlaps with described surrounding wall, described suction tude is extended towards the rear from a side of described air cleaner box, and makes described suction port facing to described admission space.
the feature of second aspect present invention is, a 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 arranged on described cover, and the front end of described suction tude can be arranged on the sidepiece of described surrounding wall with installing and removing, 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 is set towards the intrusion of this suction port or suction tude is excessively extended in order to suppress foreign matter, can seek the simplicity of inlet air pathway and this air inlet system.
According to first 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 the 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 surrounding wall and parts class intensive front portion to rear mudguard, can enlarge the space in toolbox above the rear mudguard rear portion etc.
According to second 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 insert them assigned position, be arranged on air cleaner box and surrounding wall respectively from above-mentioned space under mutually integrated state.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 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 65a
Embodiment
Embodiments of the invention are described with reference to the accompanying drawings.In the following description, all around wait towards, if without special instruction, with vehicle in towards identical.And the arrow FR in figure represents that vehicle front, arrow LH represent that vehicle left, arrow UP represent above vehicle.
As shown in Figure 1, the front-wheel 2 of two-wheeled (Straddle riding type vehicle) 1 is carried out the left and right front fork 3 of axle support, can turn to the ground pivot to prop up on the head tube 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 pivot support frame 9 of vehicle frame 5 substantial middle.Clamping respectively left and right posterior bumper 8a between the rear portion of the rear portion, left and right of swing arm 8 and left and right seat frame 21.
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 forms take the so-called rhombus style of left and right body frame 11 as leading of extending from head tube 6.
Left and right body frame 11, after extend at the rear under the top comparison gentle dip geosyncline of head tube 6 when the side is observed, crooked downwards via the first curved part 11a, be more anxious inclination and after extend the oblique rear lower side, extend to oblique front lower place via forwards bending of the second curved part 11b in the behind of left and right pivot cradle 9.The front side of the second curved part 11b in the left and right (interior all sides) solder bond respectively left and right pivot cradle 9.
On left and right body frame 11, set up central upper beam 12 between the position above left and right pivot cradle 9, set up central bottom end rail 13 between the underpart below left and right pivot cradle 9.
When observing above shown in Figure 3, left and right body frame 11 from the top of head tube 6 in separated mode after the right outside side of oblique rear left is extended, rearward crooked via the 3rd curved part 11c, extend at the backward oblique lower rear of almost parallel that becomes each other.Upper beam 14 before setting up between the 3rd curved part 11c on left and right body frame 11.
When left and right undercarriage 15 is observed in the side from the bottom of head tube 6 to the tiltedly lower linearly extension in rear.When left and right undercarriage 15 is observed in the above from the bottom of head tube 6 in the mode that is separated from each other after the right outside side of oblique rear left is extended, rearward crooked via the 4th curved part 15a, become each other almost parallel and extend to tiltedly lower rear.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 undercarriage 15.
Set up the upper gusset 17a of the upper bond of front end and head tube 6 between the anterior upside of left and right body frame 11, set up the similarly lower gusset 17b of the lower bond of front end and head tube 6 between the underside of forward of left and right undercarriage 15.And, between the front end of left and right body frame 11 and left and right undercarriage 15, set up respectively the left and right corner fagging 17c that front end engages with the intermediate portion of head tube 6.And then, between the upside of the 4th curved part 15a of the downside of the 3rd curved part 11c of left and right body frame 11 and left and right undercarriage 15, set up respectively left and right corner fagging 18.
Left and right seat frame 21 begins slightly rearward lifting ground and rearward extends from the position under the first curved part 11a of left and right body frame 11, become slightly on rapid geosyncline the rear via the 5th curved part 21a inclined degree and extend.Left and right subframe 22 begins to extend to tiltedly upper rear from the position directly over the second curved part 11b of left and right body frame 11, the lower side engagement of the 5th curved part 21a of the rearward end of this left and right subframe 22 and left and right seat frame 21.Gusset 23 is cushioned in the welding joint left and right respectively between the rear portion downside of the top of left and right seat frame 21 downside and left and right subframe 22, clamps respectively left and right posterior bumper 8a (with reference to Fig. 1) between the rear portion, left and right of this left and right buffering gusset 23 and swing arm 8.
Setting up respectively centre cross member 24 and rear cross beam 25 (with reference to Fig. 3) between the intermediate portion of left and right seat frame 21 and between rearward end.Be bonded on respectively the front end of the left and right 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 subframe 22 and left and right body frame 11, the pedal that the rear portion co-rider is used (not shown) is supported on the rearward end of this left and right running-board bracket 26 on the outstanding support bracket 26a that is arranging.
With reference to Fig. 1, in vehicle body substantial middle section, carrying the motor 31 as prime mover of two-wheeled 1.Motor 31 is that bent axle is along the single cylinder engine of left and right directions (vehicle-body width direction), at the vertical gas 33 of establishing of the front upper of its crankcase 32.The piston that can move back and forth at the interior setting-in of cylinder 33, 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 that describes in detail hereinafter is connected to the rearward end (upstream-side-end) of this vaporizer 34 from the rear.Connect the radicle of outlet pipe 35 in the front portion of cylinder 33, this outlet pipe 35 the place ahead of gas 33 and below crooked and extend towards the rear below crankcase 32, 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 undercarriage 15 by front support carriage 15b, the rear portion upside of crankcase 32 is supported on central upper beam 12 by rami posterior superior bracketing frame 12a, the rearward end downside of crankcase 32 is supported on 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 suction tude 43 formations of to the interior importing of this air filter case 41 outside 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 seat frame 21, front wall portion 41b is between the rake below the first curved part 11a of left and right 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 subframe 22.The lower wall portion 41d approximate horizontal ground setting of air filter case 41, upper wall portions 41a slightly forwards is obliquely installed with descending.
With reference to Fig. 6, left and right side wall portion 41e, the 41f of air filter case 41 are obliquely installed with respect to fore-and-aft direction in the more forward mode that is positioned at the right side, and front and rear wall section 41b, the 41c substantially vertical with them also are obliquely installed with respect to left and right directions.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 vehicle body left and right center line C1.
With reference to Fig. 5, the front and rear wall 41b of section, the 41c of air filter case 41 is positioned at the front side with more top side mode arranges when observing in the side obliquely.And the above-mentioned bight K of air filter case 41 forms the chamfering shape of the straight line shape of rear lifting ground inclination when observing in the side.The rearward end of above-mentioned vaporizer 34 (upstream-side-end) is connected to 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 (consisting of above-mentioned right side wall portions 41f's) case lid 45 of its right opening of covering.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 the left and right 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. consists of on the rear wall parts 46a of duct cap 46.Suction tude 43 above-below directions are grown and the cross section is hollow ellipticity and extends at fore-and-aft direction, and its front end (rearward end) is kept by the sidepiece of the vertical surrounding wall 61 of establishing on 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 tiltedly rear left side (left and right is inboard) bending, its front end runs through the front right side wall 65a of the above-mentioned surrounding wall 61 substantially vertical with it, 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 operation, its intake negative-pressure attracts the outer gas in above-mentioned admission space K1 in suction tude 43 from suction port 43a, be somebody's turn to do outer gas by above-mentioned air filter element 42 and be filtered, and arrive than the space in relatively large air filter case 41, outer gas after described filtration becomes the mixed gas that has mixed fuel by vaporizer 34, be fed into the firing chamber in 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 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 surrounding wall 61 can also with air filter case 41 in the space together play the effect of air aspiration cavity.
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 divided rear portion rear mudguard 52 that constitutes the anterior rear mudguard 51 of the front upper that covers trailing wheel 7 and cover the top, rear portion of trailing wheel 7.
With reference to Fig. 2, Fig. 5, Fig. 6, anterior rear mudguard 51 is parts that resin integrated forms, and 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 width of large activation frame between the inner side surface of left and right seat frame 21, and its front portion is positioned between the rear portion of left and right subframe 22, and the rear portion is positioned between the rear portion of left and right seat frame 21.Near near above-mentioned bight K (intermediate portion of left and right 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 seat frame 21.
The keeping arm 54 that extends with descending slightly forward under the front end 53a of mudguard wing body 53 is integrally formed in air filter case 41.The left and right width of keeping arm 54 is identical with mudguard wing body 53, and is the up and down flat that is suppressed of thickness, the linearly extension of central upper beam 12 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 is in the middle of the left and right sides and left and right 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, be incorporated into the periphery of central upper beam 12 from the top in the middle of the left and right 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 sidewall 55 rearward end 53b near the front end 53a of mudguard wing body 53.Left and right sidewall 55 forms substantially vertical with left and right directions tabular, 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 sidewall 55 upside, supported 56 of the support bracket 56a that setting is mutually differently projecting with respect to left and right on the rear portion of left and right seat frame 21, 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 use of occupant.
The rearward end 53b left and right formation of anterior rear mudguard 51 with widening, the upper end portion that rear portion rear mudguard 52 is installed at this rearward end 53b.And, when forwardly the side on rear mudguard 51 is observed relatively the rear portion (between rearward end 53b and 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, consists of the toolbox.
Tilt more hurriedly when the front portion of the mudguard wing body 53 of anterior rear mudguard 51 is observed in the side and backward lifting ground tilt, integrally formed above-mentioned surrounding wall 61 in the above, the above-mentioned admission space K1 that opens above the interior formation of this surrounding wall 61.
With reference to Fig. 6, surrounding wall 61 have roughly vertical with left and right directions flat left side wall 62, from the front edge of this left side wall 62 overlook oblique front right square neck tiltedly extends when observing flat antetheca 63, from the rear edge of left side wall 62 to the right-hand flat rear wall 64 that roughly extends along left and right directions, frame is 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 front 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, form frame section 66 below admission space K1.Frame section 66 has when observing in the side and front and rear wall 63,64 etc. inclination quadrature and be flat upper wall 66a along left and right directions roughly, and roughly quadrature is (with described inclination almost parallel) sagging 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.On prolongation when the side that is positioned at downwardly depending wall 66b as the right side edge (left front edge of front 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 front right side wall 65a of quadrature roughly, the long elliptoid opening 68 up and down that formation makes that the front end of suction tude 43 runs through makes the suction port 43a of front end of suction tude 43 facing to admission space K1 by this opening 68.
For example chimeric the sealed member that soft resin is made is installed in interior week of opening 68, the periphery of the front end of suction tude 43 flexibly kept and remain 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 front right side wall 65a.
at this, with reference to Fig. 4, suction tude 43 and duct cap 46, be configured in the body frame 11 by vehicle frame 5 when observing in the side, in the leg-of-mutton space that left seat frame 21 and left subframe 22 enclose, 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 from above-mentioned space towards the vehicle body side, and, can with suction tude 43 and duct cap 46 integrated state under suction tude 43 and duct cap 46 are inserted assigned position from above-mentioned space, be arranged on respectively on air cleaner box 40 bodies and right front sidewall 65a.
With reference to Fig. 6, admission space K1 so that the capacity on center line C1 right side, vehicle body left and right arrange greater than mode bias vehicle body right side together with surrounding wall 61 of the capacity in left side.Therefore suction tude 43 is positioned at center line C1 right side, vehicle body left and right, can say, admission space K1 and surrounding wall 61 center line C1 right sides, bias vehicle body left and right are that bias suction tude 43 sides arrange.
The left and right width of admission space K1 and surrounding wall 61 is less than the left and right width of anterior rear mudguard 51, but, because their bias right sides arranges, so, produce the larger space of width, left and right 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 (at vehicle-body width direction and surrounding wall 61 side by side) to be configured.Configuring CDI (CapacitorDischarge Ignition) unit 69c on air filter case 41.
In addition, also produce between the rear wall parts 41c of the antetheca 63 of surrounding wall 61 and air filter case 41 towards left open overlook the space that is viewed as the V font, can configure two-wheeled 1 accessory class in this space.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 easily arrive at, 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 for the capacity of guaranteeing admission space K1 and arranges, yet the radicle 61a of mudguard wing body 53 sides of this surrounding wall 61 forms the hollow shape open towards the below.
Namely, when forming higher surrounding wall 61, even the thickness of its forward end is inferior limit, the relation of the demoulding angle due to from the forming die demoulding time, 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 above-described embodiment, the occupant take a seat use seat 38 below arrange 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 vertical establish towards above the surrounding wall 61 of formation admission space K1 of opening, make the suction port 43a of front end of the suction tude 43 of extending from above-mentioned air cleaner box 40 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 (front 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 suction port 43a at the deep position opening of admission space K1, need not arrange to suppress foreign matter towards the inlet air pathway of the labyrinth structure of the complexity of this suction port 43a intrusion or suction tude 43 is excessively extended, can seek the simplification of inlet air pathway and this air inlet system.
In addition, above-mentioned air inlet system, above-mentioned surrounding wall 61 above-mentioned suction tude 43 sides of bias are arranged, thus, not only guaranteed the capacity of admission space K1 but also can guarantee component configuration space in the side with suction tude 43 opposition sides of surrounding wall 61, can improve the configuration degrees of freedom of the parts class of parts of electric etc.And, compare with the occasion that above-mentioned parts class is configured in the rear of surrounding wall 61, can be surrounding wall 61 and parts class intensive front portion 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 arranged on this duct cap 46, and, can be arranged on the sidepiece of above-mentioned surrounding wall 61 to the front end of this suction tude 43, in the space that is surrounded by the frame parts of vehicle frame 5 (body frame 11, seat frame 21, subframe 22) when above-mentioned duct cap 46 and suction tude 43 are configured in the side and observe with installing and removing.
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 insert them assigned position, be arranged on air cleaner box 40 and surrounding wall 61 respectively from above-mentioned space under mutually integrated state.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 is integrally formed with above-mentioned anterior rear mudguard 51, 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 increasing the occasion of 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 formability and the design freedom of surrounding wall 61.
Industrial utilizability
According to the present invention, the two-wheeled air inlet system of the suction tude of extending from the air cleaner box in rear mudguard the place ahead facing to the admission space in the vertical surrounding wall that is located on rear mudguard, can seek the simplicity of inlet air pathway and can improve surrounding wall around the component configuration degrees of freedom.
Claims (2)
1. two-wheeled air inlet system, described two-wheeled air inlet system is provided with: the occupant take a seat the under-seat of use 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, vertically be located at the surrounding wall that forms open upward admission space above described rear mudguard anterior and from the suction tude of described air cleaner box extension; The suction port of the front end of this suction tude is communicated with described admission space, it is characterized in that:
Described surrounding wall bias arranges in described suction tude side, configuring two-wheeled accessory class because of described surrounding wall bias in the space of the opposition side formation of described suction tude, and when being observed in the side, described two-wheeled accessory class overlaps with described surrounding wall
Described suction tude is extended towards the rear from a side of described air cleaner box, and makes described suction port facing to described admission space.
2. two-wheeled air inlet system as claimed in claim 1, it is characterized in that, a 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 arranged on described cover, and the front end of described suction tude can be arranged on 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 CN102016283A (en) | 2011-04-13 |
| CN102016283B true 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) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5758574B2 (en) * | 2009-12-29 | 2015-08-05 | 川崎重工業株式会社 | Motorcycle |
| AR083545A1 (en) * | 2010-10-27 | 2013-03-06 | Honda Motor Co Ltd | MOTORCYCLE |
| JP6029448B2 (en) * | 2012-12-17 | 2016-11-24 | 川崎重工業株式会社 | Saddle riding vehicle |
| US10131396B2 (en) | 2013-09-30 | 2018-11-20 | Honda Motor Co., Ltd. | Saddled vehicle |
| WO2016035576A1 (en) * | 2014-09-01 | 2016-03-10 | 本田技研工業株式会社 | Saddle-type vehicle |
| JP6703821B2 (en) * | 2015-11-27 | 2020-06-03 | 川崎重工業株式会社 | Saddle type vehicle |
| EP3519690A4 (en) * | 2016-09-30 | 2020-07-29 | TVS Motor Company Limited | An intake system for a two wheeled vehicle |
| JP6997662B2 (en) * | 2018-03-28 | 2022-01-17 | 本田技研工業株式会社 | Intake structure of saddle-mounted 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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| CN1050648C (en) * | 1993-04-17 | 2000-03-22 | 本田技研工业株式会社 | Intake device for motorcycle |
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| JPS6055530A (en) * | 1983-09-06 | 1985-03-30 | Fuji Photo Film Co Ltd | Information recording medium |
| JPS6055530U (en) * | 1983-09-26 | 1985-04-18 | 本田技研工業株式会社 | Motorcycle air cleaner protection device |
| JPH04306183A (en) * | 1991-04-02 | 1992-10-28 | Yamaha Motor Co Ltd | Intake silencer of motorcycle |
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| JP2002349379A (en) * | 2001-05-22 | 2002-12-04 | Yamaha Motor Co Ltd | Motor cycle |
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- 2009-03-16 WO PCT/JP2009/055040 patent/WO2009122889A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050648C (en) * | 1993-04-17 | 2000-03-22 | 本田技研工业株式会社 | Intake device for motorcycle |
| JP2002326594A (en) * | 2001-05-02 | 2002-11-12 | Yamaha Motor Co Ltd | Motorcycle and body frame for motorcycle |
| JP4306183B2 (en) * | 2002-05-27 | 2009-07-29 | ソニー株式会社 | Solid-state imaging device and driving method thereof |
| CN1517242A (en) * | 2003-01-17 | 2004-08-04 | 本田技研工业株式会社 | Aspirator structure of automatic two-wheel cycle |
| CN1734079A (en) * | 2004-08-13 | 2006-02-15 | 光阳工业股份有限公司 | Air filter for engine |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102016283A (en) | 2011-04-13 |
| JP4926108B2 (en) | 2012-05-09 |
| JP2009243380A (en) | 2009-10-22 |
| WO2009122889A1 (en) | 2009-10-08 |
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