CN102030063B

CN102030063B - motorcycle

Info

Publication number: CN102030063B
Application number: CN 201010297678
Authority: CN
Inventors: 横森哲人
Original assignee: Honda Motor Co Ltd
Current assignee: Honda Motor Co Ltd
Priority date: 2009-09-29
Filing date: 2010-09-21
Publication date: 2013-05-29
Anticipated expiration: 2030-09-21
Also published as: CN102030063A; BRPI1003725B1; JP5437756B2; BRPI1003725A2; JP2011073510A

Abstract

The present invention provides an automotive two-wheel vehicle which can restrain the number of components used for fixing a rear mudguard on a carriage as possible. The electric two-wheel vehicle comprises the following components: the carriage (5) which is provided with a pair of frames (10) composed of a left frame and a right frame (11,11), and a seat guiderail (21) configured below a passenger seat (38); a rocker (8) which is suspended at a central part in a front-and-back direction of the carriage (5) with a swingable mode and rotatably holds a rear wheel (7); a pivot part (9) which is formed on the carriage (5) and axially supports the rocker; and the rear mudguard (52) which is configured above the rear wheel with a mode of covering the rear wheel and is provided below the seat guiderail (21), and furthermore at least one part of the rear mudguard is fixed to the seat guiderail (21), wherein, the carriage (5) is provided with a crossbeam (12). The crossbeam connects the frame pair (11,11) which form the pair of frames in a left-and-right direction. The rear mudguard (52) is provided with a fastening part (55) which is formed at the front end of the rear mudguard (52) and is fastened to the crossbeam (12).

Description

Two-wheeled

Technical field

The present invention relates to a kind of the two-wheeled of the rear mudguard that covers the trailing wheel top that have.

Background technology

The two-wheeled rear mudguard (for example with reference to following patent documentation 1) that usually has covering trailing wheel top.In two-wheeled (motor bike) of patent documentation 1 record, the U-shaped hooking sheet that rear mudguard (front fender and rear portion mudwing) will be arranged at the rear mudguard front portion is limited to the retention tab that arranges at vehicle frame (car body), under this state, at the rear portion of rear mudguard, by bolted connection and be fixed in vehicle frame.Namely, the two-wheeled of record realized rear mudguard fixing to vehicle frame by retention tab is set at vehicle frame in the patent documentation 1.

Patent documentation 1:(Japan) open in fact clear 59-66687 communique

But, in patent documentation 1 record two-wheeled, as previously mentioned, in order to realize fixing to vehicle frame of rear mudguard, be provided with retention tab at vehicle frame.Therefore, with this retention tab correspondingly, cause number of parts to increase.

Summary of the invention

The object of the present invention is to provide a kind of two-wheeledly, it can do one's utmost to suppress for realizing the quantity of rear mudguard to the fixing part of vehicle frame.

In first aspect invention two-wheeled, it has: vehicle frame, and it has the paired frame section that is made of the pair of right and left framework and is disposed at passenger riding with the seat rail of below, seat; Rocking arm, it shakes freely suspension in the central portion of the fore-and-aft direction of described vehicle frame, and rotates and keep freely trailing wheel; The hinge portion, it is formed at described vehicle frame and axle supports described rocking arm; Rear mudguard, the below that it is disposed at the top of described trailing wheel and is in described seat rail in the mode that covers described trailing wheel top, and at least a portion of this rear mudguard is fixed in described seat rail, described two-wheeled being characterised in that, described vehicle frame has crossbeam, this crossbeam links along the described pair of frames that left and right directions will consist of described paired frame section, and described rear mudguard has the leading section that is formed at this rear mudguard and the fastener that is limited to described crossbeam.

It is two-wheeled that second aspect is put down in writing, on the basis of first aspect invention, it is characterized in that, described fastener consists of the C shape of opening wide towards the place ahead from the side, described rear mudguard has the attachment that connects for to described seat rail at the rear portion of this rear mudguard, described rear mudguard is fixed in the below of described seat rail via this attachment.

It is two-wheeled that the third aspect is put down in writing, on the basis of second aspect invention, it is characterized in that, described vehicle frame has: head tube, it keeps front-wheel with having an easy control in the matter, body frame, it rearward extends and has halfway crooked curve downwards from described head tube, and is provided with described hinge portion at the rear of this curve and below being positioned at; And subframe, itself and described hinge portion link, rearward and towards the top extension and with described seat rail link from this hinge portion, the described pair of frames that consists of described paired frame section comprises described body frame, described seat rail is linked to described curve in the mode of extending towards the rear, and described crossbeam is arranged at the below of described curve and is in the top of described hinge portion.

It is two-wheeled that fourth aspect is put down in writing, and on the basis of third aspect invention, it is characterized in that, in the zone that is surrounded by described body frame, described seat rail and described subframe, disposes air cleaner casing from the side.

It is two-wheeled that the 5th aspect is put down in writing, and on the basis of fourth aspect invention, it is characterized in that described rear mudguard has the middle fastener that is limited to described seat rail from the side between described fastener and described attachment.

According to the invention of first aspect record, be limited to the crossbeam of a part that consists of vehicle frame by making fastener, leading section and the vehicle frame of rear mudguard can be linked.Therefore, do not need to be provided for the other retention tab of both assemblings etc. in frame sides and rear mudguard side, thereby can cut down number of parts, make two-wheeled lightweight.

According to the invention of second aspect record, rear mudguard during to Frame Assembling, is made rear mudguard move towards the place ahead with respect to vehicle frame, thereby fastener can be limited to crossbeam.And, under this state, mention the rear end of rear mudguard so that it after the seat rail side shifting, can connect rear mudguard and be fixed in via attachment the below of seat rail.Therefore, rear mudguard easily can be assembled on the vehicle frame, can boost productivity.

According to the invention of third aspect record, can be fixed in by the straightforward procedure utilization rear mudguard of vehicle frame, cover from the side the below in the zone that is surrounded by body frame, seat rail and subframe.Therefore, the various subsidiary engine kind equipments that are disposed at described zone can be protected and number of parts can be especially do not increased.

According to the invention of fourth aspect record, can suppress dust etc. by rear mudguard and invade towards air cleaner casing from the below of air cleaner casing.

According to the invention of the 5th aspect record, when rear mudguard was assembled to vehicle frame, fastener in the middle of can utilizing locked and is temporarily fixed on vehicle frame with rear mudguard at its fore-and-aft direction midway location.Therefore, can realize rear mudguard to the location of vehicle frame and fixing (temporary fixed) by simple structure at the fore-and-aft direction midway location of rear mudguard.At this, because rear mudguard do not need to use other connection parts, therefore, can seek to cut down number of parts, make the rear mudguard lightweight and boost productivity, and, can easily carry out the connection operation of attachment.

Description of drawings

Fig. 1 is the left side view of expression two-wheeled embodiment of the present invention;

Fig. 2 proposes two-wheeled part shown in Figure 1 and the enlarged drawing of expression;

Fig. 3 proposes two-wheeled part shown in Figure 1 and the planar view of expression;

Fig. 4 is the block diagram that expression is assembled to rear mudguard the state of vehicle frame;

Fig. 5 is the left side view that expression is assembled to rear mudguard the state of vehicle frame;

Fig. 6 is the planar view that expression is assembled to rear mudguard the state of vehicle frame;

Fig. 7 is the left side view of the part of expression vehicle frame;

Fig. 8 (A)～(C) is the middle figure that locks with protruding part of expression free state, is that planar view, (B) are that right side view, (C) are front views (A);

Fig. 9 is the block diagram of expression rear mudguard;

Figure 10 is the planar view of expression rear mudguard;

Figure 11 is the left side view of expression rear mudguard;

Figure 12 is that expression is with the scheme drawing of rear mudguard to the installation step of Frame Assembling;

Figure 13 is the scheme drawing of the following step of expression step shown in Figure 12.

Description of reference numerals

1 two-wheeled 2 front-wheels

5 vehicle frames, 6 head tubes

7 trailing wheels, 8 rocking arms

9 hinge portions, 10 paired frame sections

11 body frame 11a the first curves (curve)

12 center upside crossbeams (crossbeam), 21 seat rails

22 subframes, 38 seats

41 air cleaner casings, 52 rear mudguards

Fastener in the middle of 55 the place ahead fasteners (fastener) 56

57 first connect with hole (attachment)

The specific embodiment

Below, with reference to the description of drawings embodiments of the present invention.Fig. 1 is the left side view of expression two-wheeled embodiment of the present invention.Fig. 2 proposes two-wheeled part shown in Figure 1 and the enlarged drawing of expression.Fig. 3 proposes two-wheeled part shown in Figure 1 and the planar view of expression.Fig. 4 is the block diagram that expression is assembled to rear mudguard the state of vehicle frame.Fig. 5 is the left side view that expression is assembled to rear mudguard the state of vehicle frame.Fig. 6 is the planar view that expression is assembled to rear mudguard the state of vehicle frame.Fig. 7 is the left side view of the part of expression vehicle frame.Fig. 8 is the middle figure that locks with protruding part of expression free state, is that planar view, (B) are that right side view, (C) are front views (A).

All around in the following description and the record of above-below direction be not if express especially, then according to the direction that rides on two-wheeled occupant (chaufeur) and see.And arrow FR represents vehicle front among the figure, and arrow LH represents the vehicle left, and arrow UP represents the vehicle top.

At first, with reference to Fig. 1～Fig. 7, two-wheeled 1 the integral structure of this example is described.As shown in Figure 1, two-wheeled 1 of this example has: the vehicle frame 5 with head tube 6 and seat rail 21; Front-wheel 2; The front fork 3 of axle supporting front-wheel 2; Front fork 3 left-right rotation are linked to freely the deflecting bar 4 of head tube 6; Trailing wheel 7; The rocking arm 8 of axle supporting wheels 7; The hinge portion 9 that rocking arm 8 is fluctuated and is linked to freely vehicle frame 5; Be installed on the posterior bumper 8a between rocking arm 8 and the seat rail 21; Driving engine 31; Air cleaner box 40; Front fender apron 51 and rear mudguard 52.

Vehicle frame 5 makes multiple steel consist of by the one such as welding joint.As shown in Figure 1, vehicle frame 5 is the so-called diamond type vehicle frames take the body frame 11 that extends towards the rear from head tube 6 as main body.Vehicle frame 5 has the paired frame section 10 that is made of the pair of right and left framework.

Such as Fig. 1～shown in Figure 7, vehicle frame 5 has: head tube 6, body frame 11, hinge portion 9, decline frame 15, seat rail 21, subframe 22, buffering corner plate 23, file running-board bracket 26,

crossbeam

12,13,24,25, connect with carriage 27.

Head tube 6 is the tubular parts that keep front-wheel 2 with having an easy control in the matter.Head tube 6 is disposed at the leading section of vehicle frame 5, and via top bridging part 4a, end bridging part (not shown) and deflecting bar 4, axle supports a pair of

front fork

3,3.

As shown in Figure 4, body frame 11, about 11 arranges a pair of, consists of paired frame section 10.As shown in Figures 1 and 2, body frame 11 rearward extends and has halfway crooked the first curve 11a as curve downwards from head tube 6.And, at the rear of the first curve 11a and below being in, be provided with hinge portion 9.Specifically, from the side, body frame 11 extends to tiltedly lower rear to consist of than the mode of easy grade from the rear portion of head tube 6, crooked downwards through the first curve 11a, and extend to the oblique back lower place in the mode that consists of the more precipitous gradient, 9 rear side is forwards crooked through the second curve 11b in the hinge portion, and extends to oblique front lower place.

Pair of right and

left body frame

11,11 sees from above, and to oblique rear and after extend in the direction outside to the left and right, the direction inside bend is extended to tiltedly lower rear at the left and right directions almost parallel afterwards each other to the left and right in the mode left along left and right directions each other from the rear portion of head tube 6.

Such as Fig. 4, Fig. 5 and shown in Figure 7, hinge portion 9 is formed at vehicle frame 5, and axle support arm 8.Hinge portion 9 is made of periphery and the pivot plate 9a of the second curve 11b of body frame 11.Pivot plate 9a is by the front side engagement of welding with the second curve 11b of body frame 11.

As shown in Figure 1, from the side, decline frame 15 extends to tiltedly lower rear from the rear portion of head tube 6 linearlyly.Pair of right and left decline frame 15,15 to be extending in the direction outside to oblique rear and to the left and right in left and right directions mode away from each other from the rear portion of head tube 6, and rearward crooked, and, extend to tiltedly lower rear in the mode that consists of almost parallel at left and right directions each other.

Such as Fig. 1, Fig. 2 and shown in Figure 7, pair of right and

left seat rail

21,21 links with mode and

body frame

11,11 the first curve 11a separately that rearward extends.Seat rail 21 is disposed at the below that the occupant uses seat 38.From the side, pair of right and

left seat rail

21,21 extends to the back upper place and rearward from the position of pair of right and

left body frame

11,11 the first curve 11a separately, extends through the 3rd curve 21a geosyncline back upper place that sharply tilts.And, see that from above pair of right and

left seat rail

21,21 narrows down towards the 4th curve 21b from the position of pair of right and

left body frame

11,11 the first curve 11a separately, and then extends in the mode that extends to the 3rd curve 21a.

As shown in Figure 7, subframe 22 links with

hinge portion

9, and 9 rearward and upward extend from the hinge portion, and links with seat rail 21.Subframe 22 is from the position near the top of the second curve 11b of body frame 11, extends to oblique back upper place, in the rearward end of subframe 22, with the lower side engagement of the 3rd curve 21a of seat rail 21.

As shown in Figure 7, buffering corner plate 23 engages with subframe 22 and seat rail 21 by welding across between the downside at the downside on subframe 22 tops and seat rail 21 rear portions.As shown in Figures 7 and 8, buffering corner plate 23 is at the position that is positioned at below this subframe 22, have by L shaped plate consist of in the middle of lock and use protruding part 23a.The middle locking is configured to from cushioning corner plate 23 outstanding to the overall width direction outside with protruding part 23a.

As shown in Figures 2 and 3, from the side, the front portion of file running-board bracket 26 consists of the U-shaped that forwards opens wide.Engage between near the downside of file running-board bracket 26 and subframe 22 front portions and the second curve 11b of body frame 11 the rear side.The outstanding rearward end that is arranged at file running-board bracket 26 of frame support bracket 26a.At frame support bracket 26a upper support co-driver pedal 26b in rear portion is arranged.

Crossbeam (center upside crossbeam 12, center bottom side crossbeam 13, center crossbeam 24, after cross member 25 etc.) is made of the parts that extend along left and right directions, along left and right directions pair of right and left framework (

body frame

11,11, decline frame 15,15 seat rails 21,21 etc.) is linked.

As shown in Figure 4, be arranged at the below of the first curve 11a as the center upside crossbeam 12 of crossbeam and be positioned at the top of hinge portion 9.Center upside crossbeam 12 across pair of right and

left body frame

11,11 and dispose, and links pair of right and

left body frame

11,11 along left and right directions above hinge portion 9.

Center bottom side crossbeam 13 across pair of right and

left body frame

11,11 and dispose, and links pair of right and

left body frame

11,11 along left and right directions below hinge portion 9.

Such as Fig. 3～shown in Figure 7, center crossbeam 24 is across between pair of right and

left seat rail

21,21 pars intermedia and arrange.After cross member 25 is across between near pair of right and

left seat rail

21,21 rearward end and arrange.

As shown in Figure 7, connect that to be linked to pair of right and

left seat rail

21,21 rearward end separately with carriage 27 neighbouring and arrange.Connect with carriage 27 and extend downwards from seat rail 21.Connecting with the part of extending from seat rail 21 on the carriage 27, be provided with the second connection hole 27a that connects along left and right directions downwards.

As shown in Figures 1 and 2, rocking arm 8 shakes freely suspension in the central portion of the fore-and-aft direction of vehicle frame 5, and rotates and keep freely trailing wheel 7.

Posterior bumper 8a is configured to be installed between the rear portion of buffering corner plate 23 and rocking arm 8 in the left and right sides.

As shown in Figures 1 and 2, near the 3rd curve 21a on the left side seat rail 21, electrical equipment 44 is installed.As described later, electrical equipment 44 is by electrical equipment support 58 supportings of rear mudguard 52.

Driving engine 31 is primary movers of two-wheeled 1, as shown in Figures 1 and 2, is equipped on the substantial middle section of car body fore-and-aft direction.Driving engine 31 is to make bent axle (not shown) along the single cylinder engine of car body left and right directions.Cylinder body 33 is erect the top of crankcase 32 front portions that are arranged at driving engine 31.In the inside of cylinder body 33, embed in the mode that can move back and forth piston (not shown) is installed.Piston move back and forth the rotary moving that is converted to bent axle via connecting rod (not shown).The output of driving engine 31 exports the left side at crankcase 32 rear portions to via speed-changing mechanism (not shown), and is passed to trailing wheel 7 via chain drive transmission mechanism (not shown).

Carburetter 34 is connected from the rear portion of rear with cylinder cap 33a at its leading section (end of downstream side).On the rearward end (upstream-side-end) of carburetter 34, be connected with air cleaner box 40 (details is narrated in the back) from the rear.Be connected with the base end part of freeing pipe 35 in the front portion of cylinder cap 33a.Freeing pipe 35 the place ahead of cylinder body 33 and below crooked, and below crankcase 32, extend towards the rear.The leading section of freeing pipe 35 (end of downstream side) is connected with the leading section of the silencer that is equipped on trailing wheel 7 right sides (not shown).

The leading section of crankcase 32 is supported on the bottom of decline frame 15 via front support carriage 15b, and, the rear portion upside of crankcase 32 is supported on center upside crossbeam 12 via rami posterior superior support bracket 12a (with reference to Fig. 4 and Fig. 7), and, the rearward end downside of crankcase 32 is supported on center bottom side crossbeam 13 via rami posterior inferior support bracket 13a (with reference to Fig. 4 and Fig. 7), thereby driving engine 31 is suspended to vehicle frame 5.

Fuel Tank 37 is supported on the top of body frame 11.Be supported on

seat rail

21,21 top at the rear of Fuel Tank 37 for the seat 38 taken of occupant's (chaufeur and rear portion co-driver).Front shroud 39a is equipped on the place ahead of deflecting bar 4.

Air cleaner box 40 its main bodys constitute to be had: consist of rectangular shape profile hollow air cleaner casing 41, be accommodated in air cleaner casing 41 inside air filter element (not shown), be used for extraneous air is imported the air inlet pipe 43 of air cleaner casing 41 inside.

Its center was positioned on the car body left and right sides line of centers C1 (with reference to Fig. 3) of car body when air cleaner casing 41 was configured to overlook.Air cleaner casing 41 is made of synthetic resin.

At the front wall portion of air cleaner casing 41, be connected with the rearward end (upstream-side-end) of carburetter 34.

Air inlet pipe 43 is made of flexible resins such as rubber.The base end part of air inlet pipe 43 is embedded in the rear wall parts of air cleaner casing 41 and is mounted.Air inlet pipe 43 has at the long hollow ellipticity cross sectional shape of above-below direction, and extends along fore-and-aft direction.The admission port 43a of air inlet pipe 43 cephalic pars (rearward end) faces admission space K1 via the open section 61a of aftermentioned leg 61.

When driving engine 31 running, according to its air-intake negative-pressure, the extraneous air of admission space K1 inside is inhaled into air inlet pipe 43 inside via admission port 43a, is filtered by air filter element, and arrives the inner space of air cleaner casing 41.Extraneous air after this filtration forms by carburetter 34 and contains the mixture gas of fuel, and is supplied in the combustion chamber of cylinder body 33 inside.

Air inlet pipe 43 is positioned at the pars intermedia of air cleaner casing 41 above-below directions.The admission port 43a of air inlet pipe 43 be disposed at from be positioned at air cleaner casing 41 and leg 61 base plate near the seat 38 of top leave towards the below and be positioned at admission space K1 inside put (bottom) than deep-seated.Thus, can invade admission port 43a by the establishment foreign matter.And also work as inlet chamber in the lump in the admission space K1 of leg 61 inboards and the inner space of air cleaner casing 41.

As shown in Figure 1, on two-wheeled 1, the top of front-wheel 2 is covered by front fender apron 51.And the top of trailing wheel 7 is covered by rear mudguard 52.For rear mudguard 52, together describe with reference to aforementioned figures and Fig. 9～Figure 11.Fig. 9 is the block diagram of expression rear mudguard.Figure 10 is the planar view of expression rear mudguard.Figure 11 is the left side view of expression rear mudguard.

As shown in Figure 1, rear mudguard 52 is positioned at the below that passenger riding is used seat 38.Rear mudguard 52 is disposed at the top of trailing wheel 7 in the mode that covers trailing wheel 7 tops and is positioned at the below of seat rail 21.Rear mudguard 52 integral body see to have the curved shape that protrudes towards the top.Such as Fig. 3 and shown in Figure 6, rear mudguard 52 is configured to, and its front portion is between pair of right and left

subframe

22,22, and its rear portion is positioned between pair of right and

left seat rail

21,21 the rear portion.

At least a portion of rear mudguard 52 directly or indirectly (via miscellaneous part) is fixed in seat rail 21,21.Rear mudguard 52 consists of by plastic integrally formed.

Such as Fig. 9～shown in Figure 11, from the side, rear mudguard 52 has: have the mudwing body 53 of the curved shape that roughly protrudes towards the top, connect towards the maintenance wrist 54 of front side extension, as the place ahead fastener 55 of fastener, as first of attachment and use hole 57, middle fastener 56, electrical equipment support 58 and leg 61.

Such as Fig. 5, Fig. 6 and shown in Figure 8, mudwing body 53 has and across the roughly the same width of the width of the left and right directions between pair of right and

left seat rail

21,21 medial surfaces.The anterior 53a of mudwing body 53 arrives near the bight of air cleaner casing 41 rear lower (near pair of right and left

subframe

22,22 the pars intermedia) on fore-and-aft direction.As shown in Figure 1, the rear portion 53b of mudwing body 53 is on fore-and-aft direction, through arriving the position at trailing wheel 7 rears near the rearward end of pair of right and

left seat rail

21,21.

Such as Fig. 4～shown in Figure 11, keep wrist 54 with air cleaner casing 41 near below the anterior 53a of the mode of slightly extending to inferoanterior and mudwing body 53 integrally formed.Keep wrist 54 have with the roughly the same left and right directions of mudwing 53 on width, and, suppress the thickness on the above-below direction and consist of flats.Keep the from the side center upside crossbeam 12 linearly extensions towards vehicle frame 5 from the anterior 53a of mudwing body 53 of wrist 54.

Such as Fig. 4～shown in Figure 11, fastener 55 is integrally formed at the leading section side (being the leading section of rear mudguard 52) that keeps wrist 54.The place ahead fastener 55 consists of the C shape of opening wide towards the place ahead from the side, and is limited to center upside crossbeam 12.Specifically, the place ahead fastener 55 is divided into three parts along left and right directions, namely has central the place ahead fastener 55a, is positioned at these three parts of the place ahead, outside

fastener

55b, 55b in fastener 55a two outsides, central the place ahead.

From the side, central the place ahead fastener 55a consists of circular-arc with the mode bending of protruding towards the top, and has the shape with the upside coupling of center upside crossbeam 12 peripheries.From the side, the place ahead, outside fastener 55b consists of circular-arc with the mode bending of protruding downwards, and has the shape with the downside coupling of center upside crossbeam 12 peripheries.

Consisting of central the place ahead fastener 55a of the place ahead fastener 55 and the place ahead, outside fastener 55b with chimeric from the mode that clips up and down center upside crossbeam 12, thus, the place ahead fastener 55, is that the leading section of rear mudguard 52 is supported by car body 5.

Such as Fig. 4～shown in Figure 11, first connects and arranges in setting on the sidewall 57b at rear mudguard 52 rear portions with hole 57, connects and arranges along left and right directions, and as being used for rear mudguard 52 is worked to the attachment of seat rail 21 connections.First connect with hole 57 be arranged at rear mudguard 52 the fore-and-aft direction central portion more lean on the rear.Specifically, first connects with

hole

57,57 and is arranged near corresponding position mudwing body 53 tops and rearward end seat rail 21.First connects and to be provided with a pair ofly with hole 57 along left and right directions with leaving, and is configured to clip from two sides pair of right and left and connects with

carriage

27,27 second connect and use hole 27a, 27a.Rear mudguard 52 connects to connect with hole 27a, connection with hole 57, second via first and is fixed in

seat rail

21,21 below (details aftermentioned) with bolt 57a etc.

Such as Fig. 4～shown in Figure 11, from the side, the place ahead fastener 55 and first that middle fastener 56 is arranged at rear mudguard 52 connects with between the hole 57.Middle fastener 56 is arranged at the middle locking with cushioning corner plate 23 of rear mudguard 52 and uses position corresponding to protruding part

23a.Middle fastener

56,56 is provided with a pair of with leaving along left and right directions, and be configured to clip from two sides pair of right and left

buffering corner plate

23,23 in the middle of lock and use protruding part 23a.Middle fastener 56 has prominent shape carrier 56a in its left and right directions inboard.Prominent shape carrier 56a with corresponding to lock in the middle of the buffering corner plate 23 with the shape of protruding part 23a to left and right direction in side opening.

Such as Fig. 4～shown in Figure 11, middle fastener 56 be limited to from outer side buffering corner plate 23 in the middle of lock and use protruding part 23a.Specifically, engage with prominent shape carrier 56a by middle the locking with protruding part 23a that makes buffering corner plate 23, thereby middle locking that makes middle fastener 56 be limited to buffering corner plate 23 used protruding part 23a.That is, middle fastener 56 is limited to seat rail 21 via locking in the middle of the buffering corner plate 23 with protruding part 23a from the side.

Such as Fig. 4～shown in Figure 11, from the side, the middle fastener 56 and first that electrical equipment support 58 is arranged at rear mudguard 52 connects with between the hole 57.Such as Fig. 1～shown in Figure 3, electrical equipment support 58 only is arranged at the left side, and by electrical equipment support 58 being inserted the locking that is arranged at rubber coating (not shown) with opening and electrical equipment support 58 is fixing, this rubber coating is installed on electrical equipment 44.

Such as Fig. 4～shown in Figure 11, leg 61 is integrally formed at the top of mudwing body 53.The inboard of leg 61 be formed with towards above the admission space K1 that opens wide.

Leg 61 is arranged at the top of rear mudguard 52 in the mode that erects towards the top.Although leg 61 forms continuously in the mode that left side, rear side and right side are covered, do not arrange in the front side and be in opening-wide state.To be called by the space that leg 61 surrounds substantially " admission space K1 ".The front side that will leg 61 be set and open wide is called " open section 61a ".

As previously mentioned, the admission port 43a of air inlet pipe 43 faces admission space K1 via open section 61a.

Admission space K1 deflection car body right side is configured to make the capacity in volume ratio left side on car body left and right sides line of centers C1 (with reference to Fig. 3 and Fig. 6) right side large.Air inlet pipe 43 is positioned at the right side of car body left and right sides line of centers C1.

Between leg 61 and air cleaner casing 41, be formed with the space towards left open.In this space, can dispose two-wheeled 1 subsidiary engine kind equipment.

Such as Fig. 5 and shown in Figure 7, air cleaner box 40 (air cleaner casing 41) is disposed at the regional R1 that body frame 11, seat rail 21 and subframe 22 surround from the side.And, as previously mentioned, keep wrist 54 with air cleaner casing 41 near below the anterior 53a of the mode of slightly extending to inferoanterior and mudwing body 53 integrally formed, and the center upside crossbeam 12 from the anterior 53a of mudwing body 53 towards vehicle frame 5 extends from the side linearlyly.Therefore, the below of air cleaner casing 41 and subsidiary engine kind equipment is covered by the maintenance wrist 54 of rear mudguard 52.

Then, illustrate that rear mudguard 52 is to the installation step of vehicle frame 5 assemblings.Figure 12 is that the expression rear mudguard is to the scheme drawing of the installation step of Frame Assembling.Figure 13 is the scheme drawing of the following step of expression step shown in Figure 12.In addition, in Figure 12 and Figure 13, illustrate take the position that is associated with assembling as main body.

As shown in figure 12, so that the state that the mode that rear mudguard 52 descends the rear with the gradient of comparing from the side regulation tilts makes rear mudguard 52 forwards mobile towards vehicle frame 5.Thus, can make the place ahead fastener 55 of rear mudguard 52 be limited to the center upside crossbeam 12 of vehicle frame 5.

Next, centered by the place ahead fastener 55 and center upside crossbeam 12, rear mudguard 52 is rotated upward with respect to vehicle frame 5.

Thus, as shown in figure 13, the outside face that the middle fastener 56 of rear mudguard 52 is compared buffering corner plate 23 moves when left and right directions is expanded, afterwards, the middle prominent shape carrier 56a that is sticked in middle fastener 56 with protruding part 23a from the inboard, side towards the outside, side that locks of buffering corner plate 23.Thus, the middle fastener 56 of rear mudguard 52 is limited to vehicle frame 5.Consequently, fastener 56 was temporarily fixed on vehicle frame 5 in the middle of rear mudguard 52 utilized.

And from the side, first of rear mudguard 52 connects with second of hole 57 and vehicle frame 5 and connects the coincidence with hole 27a.Under this state, make to connect to be inserted through first with bolt 57a and to connect to connect with hole 57 and second and use hole 27a, and, make connection with bolt 57a be fixed in the connection of connection with carriage 27 by welding and be threaded with welded nut (not shown).In addition, in Figure 13, for the ease of diagram, illustrate this connection bolt 57a so that connect with bolt 57a with respect to original direction state behind the 90-degree rotation centered by the axle that extends along the vertical direction.

By aforesaid step, can use the place ahead fastener 55, middle fastener 56, first to connect with hole 57, connect and use bolt 57a etc., rear mudguard 52 easily is assembled on the vehicle frame 5.

As described above described, two-wheeled 1 according to present embodiment for example has effect shown below.

Present embodiment two-wheeled 1 in, vehicle frame 5 has center upside crossbeam 12, this center upside crossbeam 12 links along a pair of

body frame

11,11 that left and right directions will consist of paired frame section 10, and rear mudguard 52 has the leading section that is formed at rear mudguard 52 and is limited to the place ahead fastener 55 of center upside crossbeam 12.

Therefore, two-wheeled 1 according to present embodiment is limited to the center upside crossbeam 12 of a part that consists of vehicle frame 5 by making the place ahead fastener 55, can be with the leading section and vehicle frame 5 bindings of rear mudguard 52.Therefore, do not need to be provided for the other retention tab of both assemblings etc. in vehicle frame 5 sides and rear mudguard 52 sides, thereby can cut down number of parts, make two-wheeled 1 lightweight.

And center upside crossbeam 12 consists of the part of vehicle frame 5, and it is enough high that intensity, rigidity etc. becomes.Can utilize the sufficiently high center upside crossbeams 12 such as aforesaid intensity, rigidity, rear mudguard 52 is linked to vehicle frame 5.Therefore, can guarantee that rear mudguard 52 is high to the assembling intensity of vehicle frame 5 assemblings.

Present embodiment two-wheeled 1 in, the place ahead fastener 55 consists of the C shape of opening wide towards the place ahead from the side, rear mudguard 52 has at its rear portion for the first connection that connects to seat rail 21 uses hole 57, and connects the below of being fixed in seat rail 21 with hole 57 via first.

Therefore, two-wheeled 1 according to present embodiment with rear mudguard 52 during to vehicle frame 5 assembling, makes rear mudguard 52 move towards the place ahead with respect to vehicle frame 5, thereby the place ahead fastener 55 can be limited to center upside crossbeam 12.And, under this state, mention the rear end of rear mudguard 52 so that after it rotates towards seat rail 21 sides, via first connecting with hole 57, connecting with bolt 57a, buffering corner plate 23 etc., rear mudguard 52 can be connect and is fixed in the below of seat rail 21.Therefore, rear mudguard 52 easily can be assembled on the vehicle frame 5, can boost productivity.

Present embodiment two-wheeled 1 in, vehicle frame 5 has head tube 6, body frame 11 and subframe 22, wherein this body frame 11 rearward extends and has halfway the first crooked curve 11a downwards from head tube 6, and be provided with hinge portion 9 at the rear of the first curve 11a and below being positioned at, this subframe 22 links with

hinge portion

9, and 9 rearward and towards the top extension and with seat rail 21 link from the hinge portion.And seat rail 21 is linked to the first curve 11a in the mode of extending towards the rear, and center upside crossbeam 12 is arranged at the below of the first curve 11a and is in the top of hinge portion 9.

Therefore, two-wheeled 1 according to present embodiment can be fixed in by the straightforward procedure utilization rear mudguard 52 of vehicle frame 5, covers from the side the below of the regional R1 that is surrounded by body frame 11, seat rail 21 and subframe 22.Therefore, the various subsidiary engine kind equipments that are disposed at described regional R1 can be protected and number of parts can be especially do not increased.

Present embodiment two-wheeled 1 in, air cleaner casing 41 is disposed at from the side the regional R1 that is surrounded by body frame 11, seat rail 21 and subframe 22.Therefore, two-wheeled 1 according to present embodiment can suppress dust etc. by rear mudguard 52 and invade towards air cleaner casing 41 from the below of air cleaner casing 41.

Present embodiment two-wheeled 1 in, rear mudguard 52 forwardly fastener 55 and first connects with having the middle fastener 56 that is limited to seat rail 21 from the side between the hole 57.

Therefore, two-wheeled 1 according to present embodiment, when rear mudguard 52 was assembled to vehicle frame 5, fastener 56 in the middle of can utilizing locked and is temporarily fixed on vehicle frame 5 with rear mudguard 52 at its fore-and-aft direction midway location.Therefore, can realize rear mudguard 52 to the location of vehicle frame 5 and fixing (temporary fixed) by simple structure at the fore-and-aft direction midway location of rear mudguard 52.At this, owing to do not need to use connection parts with rear mudguard 52 splits, therefore, can seek to cut down number of parts, make rear mudguard 52 lightweights and boost productivity.

Present embodiment two-wheeled 1 in, lock in the middle of middle fastener 56 makes be sticked in to left and right direction with protruding part 23a in side-prominent prominent shape carrier 56a, thereby realization rear mudguard 52 is to the locking (temporary fixed) of vehicle frame 5.Therefore, two-wheeled 1 according to present embodiment, from below with rear mudguard 52 during to vehicle frame 5 assembling, assembling is good.

More than, embodiments of the present invention have been described, but the present invention is not limited to aforementioned embodiments, and can implements with various forms.

For example, in aforementioned embodiments, make the place ahead fastener 55 be limited to center upside crossbeam 12, but be not limited to this.Also can make the place ahead fastener 55 be limited to other crossbeams.

In aforementioned embodiments, connect with hole 57, connection via first and with bolt 57a etc. rear mudguard 52 to be fixed in the below of seat rail 21, but be not limited to this.Also can rear mudguard 52 be fixed in via other attachment the below of seat rail 21.

Claims

1. A two-wheeled motor vehicle, which has:

a vehicle frame having a pair of frame portions constituted by a pair of left and right frames and a seat guide rail arranged under a seat for an occupant;

a rocker arm that is swayably suspended from the central portion in the front-rear direction of the vehicle frame and that rotatably holds the rear wheel;

a pivot portion formed on the frame and pivotally supporting the swing arm;

a rear fender disposed above the rear wheel and below the seat rail so as to cover the rear wheel, and at least a part of the rear fender is fixed to the seat rail,

Said motorcycle is characterized in that,

The vehicle frame has a beam for connecting the pair of frames constituting the pair of frame parts in the left-right direction,

The rear fender has a locking portion formed at a front end portion of the rear fender and locked to the beam.

2. The motorcycle according to claim 1, wherein:

Viewed from the side, the locking portion forms a C-shape open to the front,

The rear fender has a coupling portion for coupling to the seat rail at a rear portion of the rear fender, and the rear fender is fixed below the seat rail via the coupling portion.

3. The motorcycle according to claim 2, wherein:

The frame has:

The head tube, which handles well to hold the front wheel,

a main frame extending rearward from the head pipe and having a bent portion bent halfway downward, and the pivot portion is provided behind and below the bent portion; and

a sub-frame connected to the pivot portion, extending rearward and upward from the pivot portion, and connected to the seat rail,

The main frame is provided with a pair of left and right, and the pair of frames constituting the pair of frame parts,

The seat rail is connected to the bent portion in a manner extending rearward,

The beam is disposed below the bending portion and above the pivot portion.

4. The motorcycle according to claim 3, wherein:

An air cleaner case is arranged in an area surrounded by the main frame, the seat rail, and the sub-frame viewed from the side.

5. The motorcycle according to claim 4, wherein:

The rear fender has an intermediate locking portion that is locked to the seat rail from the side between the locking portion and the coupling portion.