JP2003072630A - Motorcycle side cover mating structure - Google Patents

Abstract

(57) [Problem] To provide a motorcycle side cover alignment structure that can improve the alignment accuracy of an upper surface cover, a side surface cover, and a tail light to prevent deterioration of appearance. SOLUTION: A taillight 45 is attached to rear end openings 43a of left and right side covers 43, 43 arranged so as to surround a lower part of a seat 20, and the taillight 4 is provided.
In a motorcycle side cover alignment structure in which the upper end opening formed by the left and right and left and right side covers 43 is covered with an upper surface cover 44, the left and right sides are inserted by inserting the upper surface cover 44 from the front of the vehicle. Side cover 4
3 to form a continuous mating surface a between the side cover and the top cover, and restrict the position of the tail light 45 to form a continuous mating surface b between the tail light 45 and the top cover 44. To form

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mating structure of side covers arranged so as to surround a lower portion of a seat of a motorcycle.

[0002]

2. Description of the Related Art For example, in a scooter type motorcycle,
Left and right side covers that cover the lower side of the seat are arranged on the body frame, and taillights are attached between the rear ends of the left and right side covers to provide the left and right side covers and the taillight. There may be a case where a structure in which the upper end opening of the region formed by is covered with a top cover is adopted.

In this case, conventionally, the left and right side covers and the taillight are generally positioned and mounted on the vehicle body frame, and the top covers are mounted on the side covers and the taillight while aligning them. Is.

[0004]

However, in the above conventional mating structure, due to an error in assembling each side cover and taillight, a step is generated on the mating surface between the top cover and the side cover, or the taillight. There is a problem in that the gap between and tends to vary, and the appearance is deteriorated.

The present invention has been made in view of the above-mentioned conventional circumstances, and provides a side cover alignment structure for a motorcycle in which the accuracy of alignment between the top cover, the side cover, and the taillight can be improved to prevent deterioration of appearance. The purpose is to do.

[0006]

According to a first aspect of the present invention, a taillight is mounted between rear ends of left and right side covers which are arranged so as to surround a lower portion of a seat, and the taillight and the left side cover are mounted. In a motorcycle side cover matching structure in which an upper end opening of a region formed with the right side cover is covered with a top cover, by inserting the top cover from the front of the vehicle, the left and right side covers The position is regulated to form a continuous front-rear direction matching surface by the left and right side covers and the upper surface cover, and the position of the taillight is regulated so that the taillight and the upper surface cover are continuously aligned in the horizontal direction. The feature is that the surface is formed.

According to a second aspect of the present invention, in the first aspect, slide pieces extending in the vehicle front-rear direction are formed at upper edges of the left and right side covers, and both side edges of the upper cover are formed. An engaging groove portion having a U-shaped cross section which engages with the slide piece is formed, and the upper and lower positions of the upper cover and the left and right side covers are regulated by sliding the upper cover toward the rear of the vehicle. It is characterized by that.

According to a third aspect of the present invention, in the first or second aspect, the left and right side covers are formed with positioning recesses that are open toward the front of the vehicle and are inclined inward in the vehicle width direction. Is formed with a positioning protrusion that engages with the positioning recess, and the left and right side covers are pulled inward in the vehicle width direction by sliding the top cover toward the rear of the vehicle. I am trying.

According to a fourth aspect of the present invention, in the first aspect of the present invention, the light main body that supports the lens of the taillight is formed with an engaging portion that is open toward the front of the vehicle, and the upper surface cover is the above-described engaging portion. It is characterized in that an insertion piece that engages with the portion is formed, and the vertical position of the lens is regulated by sliding the top cover toward the rear of the vehicle.

According to a fifth aspect of the invention, in the fourth aspect, the insertion piece is inclined rearward and downward, and has a function of pulling up the light body by engaging with the engaging portion. I am trying.

[0011]

According to the side cover mating structure of the first aspect of the invention, by sliding the top cover from the front of the vehicle to the rear, the left and right side covers and the tail lights are engaged with each side surface. Since the positions of the cover and tail light are regulated, the mounting of the top cover itself absorbs the assembly error of each side cover and tail light, and there is no step and there is a continuous mating surface with no variation in the gap. Can be formed. as a result,
It is possible to improve the alignment accuracy of the top cover with the left and right side covers and the tail light, and prevent the appearance from being deteriorated.

According to the second aspect of the present invention, since the slide pieces formed on the upper edges of the left and right side covers are engaged with the engaging groove portions of the upper cover, the upper cover is slid rearward of the vehicle. As a result, the vertical positions of the top cover and the left and right side covers are regulated, and a continuous mating surface without steps can be formed.

According to the third aspect of the present invention, the positioning recesses formed on the left and right side covers are engaged with the positioning protrusions formed on the top cover, so that the top cover is slid rearward of the vehicle. As a result, the left and right side covers can be pulled inward, and the alignment accuracy between the top cover and the left and right side covers can be improved.

According to the fourth aspect of the invention, the insertion piece formed on the upper surface cover is engaged with the frontward opening engaging portion formed on the light body that supports the lens of the taillight. By sliding the cover backward, the vertical position of the light body is regulated, the step between the top cover and the lens can be eliminated, and the appearance can be improved.

In the invention of claim 5, since the insertion piece is inclined rearward and downward, the insertion piece can be easily inserted into the engaging portion, and the light body can be pulled up by engaging the insertion piece. , The step between the top cover and the taillight can be eliminated more reliably.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings.

1 to 32 are views for explaining a side cover alignment structure for a motorcycle according to an embodiment of the present invention.

FIG. 1 is a left side view of a scooter type motorcycle,
2 and 3 are a left side view and a plan view of the vehicle body frame, FIG. 4 is a side view of the handle cover, and FIGS. 5 to 9 are side views and sectional side views of the front cover of the handle cover (VI of FIG. 8 respectively).
-VI line cross section), front view, plan view, cross section front view (of FIG. 4)
IX-IX line sectional view), FIGS. 10 and 11 are side views and plan views of the rear end portion of the side cover, and FIGS. 12A to 12C are sectional views of the side cover mating portion (XIIa in FIG. 11). -XIIa line sectional view, XIIb-XIIb line sectional view, XIIc-XIIc line sectional view), FIG.
13A to 13B are cross-sectional views of the side cover mating portion (XIIIa-XIIIa line cross-sectional view, XIIIb-XIIIb line cross-sectional view, XIIIc-XIIIc line cross-sectional view in FIG. 10), and FIGS. 14 and 15 are top views. 16 is a plan view of the cover, a side view, FIG. 16 is a plan view of the rear end portion of the side cover, FIG. 17 is a rear view of the rear fender, FIG. 18 is a side view of the deflection adjusting portion of the rear fender, and FIG. 19 is a sectional view of the rear fender support portion. (XIX-XIX line sectional view of FIG. 17), FIG. 20,
FIG. 21 is a cross-sectional view of the mounting portion of the rear fender (XX in FIG. 22.
-XX line cross-sectional view, XXI-XXI line cross-sectional view), FIGS. 22 and 23 are side views and plan views of the body frame mounting portion of the fuel tank, FIG. 24 is a plan view of the fuel tank, and FIG. 25 is a cross section of the fuel tank. Fig. (XXV-XXV line sectional view of Fig. 24), Fig. 26 and Fig. 27 are sectional views of the seat lock mechanism (XXVI-XXVI line sectional view of Fig. 23,
XXVI-XXVI sectional view), FIGS. 28 and 29 are side views and plan views of the fuel supply device, and FIGS. 30 to 32 are side views, plan views and rear views of the intake manifold.

In the drawing, reference numeral 1 denotes a scooter type motorcycle, a body frame 2 of which is joined to a head pipe 3 with a main frame 4 extending obliquely rearward and downward, and a lower end portion of the main frame 4 is provided substantially rearward. A horizontally extending upper tube 5 is joined, and a down tube 6 that extends downward from the lower end of the main frame 4 and extends substantially horizontally rearward from the lower end is connected to the rear end portion of the down tube 6 and the upper tube 5. It has a structure in which the rear end portion is connected by a substantially rectangular frame-shaped rear arm bracket 7.

The rear arm bracket 7 has a structure in which an upper cross member 7c extending in the vehicle width direction is connected between the upper ends of the left and right bracket bodies 7a and 7b, and a lower cross member 7d is connected between the lower ends. The rear end of the upper tube 5 is connected to the upper end of the right bracket body 7b, and the rear end of the down tube 6 is connected to the center of the lower cross member 7d in the vehicle width direction. The upper tube 6 is bent and formed so as to be displaced to the right side from the center of the vehicle body in a plan view.

Further, the left and right bracket bodies 7a, 7
The front ends of the left and right seat rails 8, 8 extending obliquely upward to the rear of the vehicle body are coupled to the upper end of b. A seat cross member 8a extending in the vehicle width direction is connected to an intermediate portion of the left and right seat rails 8, and a sheet bracket 8b made of sheet metal is connected between the rear ends.

A steering shaft 9 is rotatably inserted into the head pipe 3, a front fork 10 is connected and fixed to the lower end of the steering shaft 9, and a front wheel 11 is attached to the lower end of the front fork 10. It is supported.

A steering handle 12 is connected and fixed to the upper end of the steering shaft 9. Grips 12a and 12a are attached to both ends of the steering handle 12, and brake levers 12b and 12b are attached to the front sides of the grips 12a of the steering handle 12.

A swing type power unit 13 is mounted between the left and right bracket bodies 7a and 7b of the rear arm bracket 7, and the power unit 13 is connected between the left and right bracket bodies 7a and 7b. It is supported by a pivot shaft 14 via a link mechanism 15 so as to be vertically swingable.

The power unit 13 includes a crankshaft 16
4-cycle engine 1 with a mounted in the vehicle width direction
6, a transmission case 17 incorporating a V-belt drive type continuously variable transmission (not shown) is integrally connected, and a rear wheel 18 is pivotally supported at a rear end portion of the transmission case 17. A rear cushion 19 is provided between the transmission case 17 and the seat rail 8.

A saddle type two-seater seat 20 is disposed above the seat rail 8. This sheet 20
A storage box 21 that is opened and closed by the seat 20 is disposed on the lower front side, and a fuel tank 22 is disposed on the rear side. The storage box 21 and the fuel tank 22 are fixed to the vehicle body frame 2. The seat 20 is supported by a front flange portion 21a of a storage box 21 so as to be vertically rotatable via a hinge member 21b.

The body frame 2 is surrounded by a body cover 26 made of resin, and the body cover 26 has the following structure.

The front side and the rear side of the head pipe 3 are surrounded by a front cover 27 and a leg shield 28, respectively. A headlight 29 is provided at the front end of the front cover 27, and a low-floor footboard 30 is provided at the lower end of the leg shield 28. The foot board 30 is arranged and fixed on a foot bracket 6a joined to the down tube 6.

A side cover 31 is arranged at the rear portion of the footboard 30 so as to surround the lower periphery of the seat 20, and a rear fender 32 covering the upper side of the rear wheel 18 is arranged on the lower surface of the side cover 31. Has been done. A front fender 33 that covers the front wheel 11 is attached to the front fork 10.

As shown in FIGS. 4 to 9, the steering handle 12 is provided with a handle cover 35, and the waterproof structure of the handle cover 35 is as follows.

The handle cover 35 has a front and rear two-part structure of a front cover 36 for covering the front side of the steering handle 12 and a rear cover 37 for covering the rear side. 12a surrounds the remaining center in the vehicle width direction so as to project outward. This handle cover 3
The grip 12a and the brake lever 12b project outward from the openings 35a, 35a at both ends of the vehicle in the vehicle width direction.

A meter unit 38 is arranged in the handle cover 35. This meter unit 38
Is provided with a speedometer, a fuel amount display meter, a turn signal lamp indicator, etc. in the meter case 38a, and the transparent glass 3 is provided in the upper opening of the meter case 38a.
8b is watertightly mounted, and the transparent glass 38b is exposed upward through an opening formed in the upper wall of the rear cover 37.

On the inner surface of the front cover 36 near the left and right openings 35a of the handle cover 35, the ribs 36a for preventing water entry are projected inward, and the openings 35a of the front cover 36 are substantially formed. It is formed all around.
The protruding height of the rib 36a is set to such an extent that the outer surface (design surface) of the front cover 36 is not sinked during injection molding. The left and right openings 35a and the steering handle 1
Looking at the gap between the steering wheel 12 and the rear cover 37, there is almost no gap between the rear side of the steering wheel 12 and the front cover 36.
Has been enlarged to avoid interference with. Therefore, in this embodiment, only the front cover 36 is provided with the water entry prevention rib 36a.
Although the rib 37a is formed, the rib 37a may be formed on the inner surface of the opening 35a of the rear cover 37 as shown by hatching in FIG.

According to the handle cover waterproof structure of this embodiment, the front cover 3 having a large gap with the steering handle 12 is provided.
Since the ribs 36a for preventing water from entering inward are integrally formed in the left and right openings 35a of 6, the rainwater and car wash water that have entered the openings 35a can flow along the inner surface of the cover to the meter side. It can be blocked by the ribs 36a, and water can be prevented from splashing on the meter unit 38.
As a result, it is possible to prevent the glass 38b of the meter unit 38 from becoming cloudy or rusting inside the meter unit 38. Incidentally, since the meter case 38a has pores (not shown) for venting air, if the car wash water or the like directly contacts the meter unit 38, the glass 38b may be fogged by the water entering through the pores. .

Further, since the rib 36a is formed in the opening 35a, it is difficult to see the meta case 38a from the side of the vehicle and it is possible to prevent the appearance from being deteriorated.

In this embodiment, since the rib 36a is formed integrally with the front cover 36, the cost can be reduced and the number of assembling steps can be reduced as compared with the case where the rubber plate is attached to the opening. You can improve the property.

Further, since the projecting height of the rib 36a is set so that the design surface is not sinked, it is possible to prevent the appearance of the rib 36a from being deteriorated.

In the above embodiment, the scooter in which the headlight 29 is arranged at the front end portion of the front cover 27 has been described. However, the present invention has a light opening (center) in the vehicle width direction of the front cover 36. (Not shown) and a headlight 29 'is attached to the light opening.

In this case, the rib 36a is formed.
Has the function of blocking the light leaked from the bulb 29b mounted on the reflector 29a of the headlight 29 ', and the deterioration of the appearance due to the light leakage can be prevented.

The side cover 31 includes a front cover 42 for covering the upper tube 5 at the lower front of the seat 20, left and right side covers 43, 43 for covering the left and right sides of the seat 20 over the entire length, The left and right side covers 43 have an upper cover 44 that covers the upper surfaces of the rear end portions of the left and right side covers 43. The front cover 42 and the left and right side covers 43 are attached and fixed to the vehicle body frame 2, respectively.

Light openings 43a are formed in the rear ends of the left and right side covers 43 so as to form a circular arc extending forward, and the left and right light openings 43a, 43a.
A taillight unit 45 is mounted from the rear of the vehicle so as to extend over 43a. This tail light unit 45
Has a bulb (not shown) detachably attached to the bottom of a substantially bowl-shaped light body 46 that opens rearward.
The aperture of 6 is covered with a lens 47.

A lens support portion 46a having a U-shaped cross section is formed on the outer peripheral edge of the light body 46 so as to open rearward. The lens 47 is positioned and fixed to the light main body 46 by engaging the peripheral portion 47a of the lens 47 with the supporting portion 46a and fixing the lens 47 by bolting (see FIG. 12A). The light body 46 is fixed to the side cover 43 with bolts 52 '.

Next, the side cover mating structure of this embodiment will be described with reference to FIGS. Since the side cover mating structure of the present embodiment is left-right symmetrical, only the left side portion will be described.

The central portion of the side cover 43 in the vertical direction is formed to bulge outward, and a sharp pin portion 43b is formed on the inner surface of the rear end of the side cover 43 so as to protrude inward. . The pin portion 43b is inserted into a flange 46b formed integrally with the light body 46 with a grommet 49 interposed (see FIG. 13B).

A flange portion 43d is formed so as to project inward in front of the pin portion 43b of the side surface cover 43, and a long bolt hole 43e is formed in the flange portion 43d. The flange portion 43d is located on the upper surface of the seat bracket 8b.

On the upper edge of the side cover 43, a slide piece 43c extending in the front-rear direction is formed so as to be stepped inwardly. And a guide portion 43c ″ extending forward from the front end of the positioning portion 43c ′ and obliquely expanding outward.

The slide piece 43 of the side cover 43 is also provided.
At the rear end of c, there is a stopper piece 43 that extends inward.
f is formed in a stepped manner. The stopper piece 43f is formed with a positioning concave portion 43f 'which is a concave shape that opens forward in plan view together with the positioning portion 43c'. A guide cam portion 43f ″ for pulling the left and right side covers 43 inward in the vehicle width direction is formed in the opening of the positioning recess 45f '.

Further, at both ends of the support portion 46a of the light main body 46 in the vehicle width direction, a box-shaped engaging portion 46 having a front opening.
c is integrally formed. The height of the upper surface cover 44 and the upper surface of the lens 47 is made to be the same by the engaging portion 46c and the supporting portion 46a.

The upper surface cover 44 is of a substantially flat plate shape that closes the upper end opening formed by the left and right side surface covers 43 and the tail light 45. A step drop portion 44a is formed at the front end portion of the upper surface cover 44, and the step drop portion 44a is covered by the rear end edge 20a of the seat 20 with a slight gap. Recesses 44b are provided at both ends of the step-down portion 44a, and long bolt holes 44c are formed in the bottom wall of the recess 44b.

Engaging groove portions 44d having a U-shaped cross section are formed on the left and right edges of the lower surface of the upper surface cover 44 so as to engage with the slide pieces 43c. A quadrangular prismatic positioning protrusion 44e is formed at the rear end of the engagement groove portion 44d so as to project downward. The positioning protrusion 44e passes through the guide cam portion 43f ″ of the side cover 43 and then the positioning recess 43.
It can be engaged with f '.

Further, substantially L-shaped insertion pieces 44f are formed on the left and right sides of the lower surface of the upper surface cover 44, and the lower side portions of the insertion pieces 44f are slightly inclined rearward and downward. The insertion piece 44f is provided with the engaging portion 46.
The lens 47 is attached to the support portion 46a.
The upper surface of the lens 47 and the upper cover 44
And become the same.

The upper cover 44 is mounted by inserting it between the left and right side covers 43, 43 from the front of the vehicle. Specifically, by sliding the top cover 44 toward the rear of the vehicle, the top cover 44 engages with the left and right side covers 43, 43 to draw each side cover 43 inward in the vehicle width direction. Further, the light main body 46 is engaged with the light main body 46 and the light main body 46 is pulled up.

That is, the top cover 44 is engaged with the guide portions 43c "of the slide pieces 43c in the left and right engaging groove portions 44d, and is slid toward the rear of the vehicle in this state. When the groove portion 44d engages with the positioning portion 43c 'following the guide portion 43c "and is further slid, the positioning protrusion 44e engages with the guide cam portion 43f" while engaging with the positioning concave portion 43f', whereby the left, The right side cover 43 is pulled inward, and at the same time, the insertion piece 44f of the upper cover 44 engages with the engaging portion 46c of the light body 46, and the upper and lower positions of the upper cover 44 and the support portion 46a are restricted. And the upper surface of the lens 47. The upper surface cover 44, the side surface cover 43, and the lens 47 can thus be positioned in the vertical direction, the horizontal direction, and the front-back direction. It is. The top cover 44 in this state
Bolts 48 are screwed into the recesses 44b, and the upper surface cover 44 is fixed together with the side surface cover 43 to the seat bracket 8b by the bolts 48.

Thus, there is a continuous flush mating surface a with no gap between the top cover 44 and the side cover 43.
Is formed, and a mating surface b is formed between the upper surface cover 44 and the lens 47 so that the clearance is constant over the entire length in the vehicle width direction and is flush.

According to the side cover mating structure of this embodiment, the left and right side covers 43 are pulled inward in the vehicle width direction by inserting the top cover 44 from the front of the vehicle. Since the assembling error with the left and right side covers 43 can be absorbed, and the upper surface cover 44 and the upper surface of the lens 47 are positioned by the common engaging portion 46c and supporting portion 46a of the light main body 46, a step difference is formed. It is possible to form continuous mating surfaces a and b with a uniform gap. As a result, the top cover 44, the left and right side covers 43, and the taillight 4 are
The alignment accuracy with the lens 47 of No. 5 can be improved, and the deterioration of appearance can be prevented.

Further, since the upper cover 44 is inserted and assembled from the front of the vehicle, the alignment line and the highlight shape extending in the vehicle front-rear direction can be made to coincide with each other, and the appearance can be improved also from this point.

In the present embodiment, the left and right side covers 43
A slide piece 43c is formed in a stepped manner at the upper edge portion of the upper surface, and an engagement groove portion 44 that engages with the slide piece 43c is formed on the top cover 44.
Since d is formed, the vertical movement of the upper surface cover 44 is restricted by engaging the engagement groove portion 44d of the upper surface cover 44 with the slide piece 43c, and the upper surface cover 44 is also prevented.
Is slid toward the rear of the vehicle along the slide piece 43c, the left and right side surface covers 33 are pulled inward, and a continuous mating surface a having no step can be easily formed.

Since the stopper pieces 43f having the guide cam portions 43f "and the positioning recesses 43f 'are formed on the left and right side covers 43 and the rectangular columnar positioning protrusions 44e are formed on the upper cover 44, the upper cover 44 is formed. By sliding and engaging the positioning protrusions 44e with the positioning recesses 43f ', movement of the top cover 44 in the vehicle rearward and vehicle width directions is restricted, and the top cover 44 and the left and right side covers 43 are separated from each other. The alignment accuracy can be improved.

In this embodiment, a box-shaped engaging portion 46c opening forward is formed in the lens supporting portion 46a of the light body 46 of the taillight 45, and an L-shaped insertion piece 44f is formed in the top cover 44. Therefore, the top cover 44 is inserted from the front and the insertion piece 44f is inserted into the light body 4
6 by engaging with the engaging portion 46c of the upper surface cover 4
The height position of 4 is positioned by the light body 46,
Therefore, the upper surface of the lens 47 fixed to the light body 46 and the upper surface of the upper surface cover 44 can be flush with each other, and the gap between them can be made constant, so that there is no variation in the mating surface b.
Can be formed over the entire length, and the appearance can be improved.

Further, since the lower side of the inserting piece 44f is slightly inclined rearward and downward, the inserting piece 44f easily engages with the engaging portion 46c and surely engages with the light body 46. The top cover 44 from the point
The precision of the mating surface b between the lens 47 and the lens 47 can be further improved.

In the present embodiment, the side cover 43 has a slide piece 43c for restricting the vertical movement of the top cover 44.
Since the stopper pieces 43f for restricting the left, right, front and rear directions are independently formed, each of them can be realized in a small space.

Next, the deflection adjusting structure of the rear fender 32 will be described mainly with reference to FIGS.

The rear fender 32 closes the lower end openings of the left and right side covers 43 and covers the upper portion of the rear wheel 18, and the rear fender portion 50 extends rearward and obliquely downward from the rear end of the front fender portion 50. It has a fender portion 51.

The left and right edge portions 50 of the front fender portion 50
a is engaged by being inserted into a substantially U-shaped lower flange portion 43g formed at the lower edge portion of the side cover 43,
A front end portion of the side edge portion 50a is fastened and fixed to the lower flange portion 43g by a mounting bolt 52 (see FIGS. 21 and 22). In addition, the bolt holes 52a are formed in the rear fender 32.
It has a large diameter so that the mounting position of can be adjusted.

A reflector 5 is provided on the rear surface of the rear fender portion 51.
3 is mounted, and license plate attachment portions 51a and 51a are formed below the reflection plate 53.

The front fender portion 50 of the rear fender portion 51
A vehicle body mounting portion 32a extending upward is integrally formed at a boundary portion between and. The vehicle body mounting portion 32a is located inside the left and right side covers 43 and on the front side of the light body 46 of the taillight 45, and is not visible from the outside.

An upward U-shaped storage portion 32b is integrally formed on the front side of the vehicle body mounting portion 32a at the boundary portion. A CDI unit 54 is arranged in the storage portion 32b, and the CDI unit 54 is fastened and fixed by a band 55.

A support hole 32c is formed in the center of the vehicle body mounting portion 32a in the vehicle width direction, and the support piece 8b 'of the seat bracket 8b is inserted into the support hole 32c.

Bolt holes 32d and 32e are formed at both left and right ends of the vehicle body mounting portion 32a, and fixing bolts 56 and 5 are respectively provided in the bolt holes 32d and 32e.
7 is inserted. The bolt holes 32d and 32e are formed with a large diameter so that the mounting position of the rear fender 32 can be adjusted.

A fixing piece 8b "of the seat bracket 8b is in contact with the front surface of the vehicle body mounting portion 32a, and a nut 58 is fixed to the front wall surface of the fixing piece 8b". Each of the nuts 58 has a bolt hole 32d or 32e.
The fixing bolts 56 and 57 inserted into the
The vehicle body mounting portion 32a is fixed to the seat bracket 8b by the bolts 56 and 57.

A working gap S is formed between the rear fender portion 51 and the lower edge of the taillight 45.
The gap S has a size into which a tool (not shown) for tightening the fixing bolts 56 and 57 can be inserted.
And it is located so that it cannot be seen from the outside.

In this way, the rear fender 32 is
At the completion inspection after the vehicle body is assembled, the center C of the rear fender portion 51 can be adjusted so as to coincide with the center C of the rear wheel 18 without removing the exterior parts. When it is necessary to adjust the center of the rear fender 32, a tool is inserted through the gap S to loosen the fixing bolts 56 and 57, and then the rear fender portion 51 is swung left and right to move the rear fender portion 51. The center C is aligned with the center C of the rear wheel 18, and the fixing bolts 56.57 are tightened in this state.

As described above, according to the rear fender deflection adjusting structure of the present embodiment, the vehicle body mounting portion 32a is formed upright at the boundary between the front and rear fender portions 50, 51 of the rear fender 32, and the vehicle body mounting portion 32a is formed. Fixing bolt 5
Bolt holes 32d, 32e having a diameter larger than 6, 57 are formed,
Since the gap S is provided between the rear fender portion 51 and the taillight 45, by inserting a tool through the gap S and loosening or tightening the fixing bolts 56 and 57, the deflection of the rear fender portion 51 is caused. Can be adjusted. This allows the rear fender 3 to be installed without removing the exterior cover.
The second center adjustment can be easily performed, and the workability can be improved.

Further, since the fixing bolts 56 and 57 are hidden by the left and right side covers 43 and the taillight 45, they cannot be seen from the outside and do not deteriorate the appearance.

The fuel tank 22 is mainly shown in FIG.
27 to 27, the tank body 60 is formed by oil-tightly joining the peripheral portions 60d of the upper tank portion 60a and the lower tank portion 60b to each other, and the fuel is injected into the upper tank portion 60a of the tank body 60. It has a structure in which an inlet 60c is connected and formed, and a fuel cap 61 is openably and closably attached to the inlet 60c. The fuel inlet 60c has an air vent hole 60 for venting air when the temperature in the tank rises.
c'is formed.

Further, the fuel injection port 6 of the upper tank portion 60a
A sensor 62 is provided on the rear side of 0c, and a clamp portion 63 is formed on the right side of the sensor 62.
Further, the lower tank portion 60b is provided with a recess 60e for avoiding interference with the rear wheel 18. Reference numeral 60j is a fuel cock attachment hole.

A seat lock mechanism 65 is arranged above the tank body 60. This seat lock mechanism 6
5 is a lock plate 66 fixed to the body frame 2.
A lock cylinder 67 is bolted and fixed below the lock hole 66a of the seat 20, and a U-shaped lock member 68 in a side view which can be engaged with and disengaged from the lock cylinder 67 is fixed to a rear end portion of the seat bottom plate 23 of the seat 20. belongs to. A seat lock opener 67a for releasing the lock is connected to the lock cylinder 67, and the seat lock opener 67a is connected to a key cylinder (not shown). The seat lock opener 67a is fixed to the clamp portion 63.

A cover filler 69 made of hard rubber is disposed on the upper surface of the lock plate 66, and the fuel tank 22 is disposed below the cover filler 69.

The seat lock mechanism 65 is arranged so as to be displaced to the left side (one side) in the vehicle width direction with respect to the vehicle body center line C in a plan view. A seat lock escape recess 60f is formed on the left side (one side) of the vehicle body center line C of the upper tank portion 60a of the tank body 60, and an air trap projection 60g is bulged on the right side (the other side). Has been done. As a result, the tank shape of the tank body 60 is asymmetrical left and right. The air pocket convex portion 60g is provided in the transmission case 17 described above.
It is formed on the opposite side of the side stand 70 rotatably disposed between the use position and the storage position (see FIG. 28).

According to the fuel tank 22 of the present embodiment, the seat lock mechanism 65 is disposed so as to be displaced to the left side in the vehicle width direction from the vehicle body center line C, and the upper tank portion 60a of the tank body 60 is disposed.
A seat lock escape recess 60f is provided on the left side of the vehicle body center line C, and an air collecting protrusion 60g is formed on the right side of the vehicle body center line C so as to make the tank shape of the tank body 60 asymmetrical to the left and right. The storage convex portion 60g can ensure a necessary tank capacity, and the seat lock escape concave portion 60f can avoid the interference of the seat lock mechanism 65, so that the fuel tank 22 can be efficiently placed in a narrow space below the seat 20. Can be placed.

Further, since the air pool convex portion 60g is formed on the opposite side of the side stand 70, the air pool convex portion 60g becomes relatively higher when the side stand 70 is used. The thermal expansion capacity can be secured. That is, the side stand 7
If the thermal expansion capacity cannot be secured when 0 is used, there is a concern that fuel will leak from the vent hole 60c 'of the fuel cap 61, but this problem can be avoided in this embodiment.

Next, the fuel supply system for the motorcycle according to this embodiment will be described mainly with reference to FIGS. 28 to 32.

An air cleaner 75 is provided on the front side of the engine 16 of the swing type power unit 13,
The air cleaner 75 is bolted and fixed to the head cover 16b of the engine 16. Further, a carburetor 76 is arranged above the air cleaner 75 and the engine 16. The carburetor 76 is connected to an intake port of the engine 16 by an intake manifold 78, and is also connected to the upper wall 75a of the air cleaner 75 by an intake duct 77 formed of a rubber hose.

The intake manifold 78 is formed by casting rubber, and has a pipe-shaped manifold main body 78a extending downward from the discharge port of the carburetor 76 and an upper surface of an outer wall of the manifold main body 78a. Retaining fin portion 7 formed on the dorsal fin
8b and a waterproof fin portion 78c that is formed to project laterally leftward from the left side surface. The waterproof fin portion 78c prevents car wash water or the like from flowing into the air cleaner 75 side. In addition, the manifold body 78
A vacuum port 78d is integrally formed on the downstream side of a.

A clamp hole 78e for supporting and fixing a fuel hose 82 described later is formed in the holding fin portion 78b. The clamp hole 78e is formed in a substantially C shape having an open upper end. Reference numeral 78f is a connection flange portion to the intake port, and 78g is a connection portion to the carburetor 76.

A negative pressure responsive fuel cock 80 is attached by bolting to the above-described fuel cock attachment hole 60j formed in the front bottom wall portion of the lower tank portion 60b of the fuel tank 22 (see FIG. 22). . In addition, 81 is a filter connected to the fuel cock 80, and this filter 81 is located in the tank. Here, the portion of the tank bottom wall where the mounting hole 60j is formed is inclined so that the front side is higher, and therefore the fuel cock 80 is attached obliquely so as to be inclined forward with respect to the vertical line. .

A fuel hose (see Δ mark in FIGS. 28 and 29) 82 and a vacuum hose (see □ mark in FIGS. 28 and 29) 83 are connected to the fuel cock 80 so as to communicate with each other. The fuel hose 82 and the vacuum hose 83 are made of a flexible rubber hose, and are arranged in the front fender portion 50 of the rear fender 32 so as to be gently inclined forward. In this way, air is prevented from entering.

The fuel hose 82 and the vacuum hose 8
3 is composed of a vehicle body side portion fixed to the front fender portion 50 and an engine side portion fixed to the engine 16,
It is supported so as to be able to absorb the swing of the power unit 13,
Specifically, it has the following structure.

The front guide piece 8 is attached to the front fender portion 50.
4. A rear guide piece 85 is formed upright integrally with a gap. A guide member 86 formed by bending a bar is fixed to the left bracket body 7a of the rear arm bracket 7. The vehicle body side portions of the fuel hose 82 and the vacuum hose 83 are engaged with the front guide piece 84 from below, with the rear guide piece 85 from below, and with the guide member 86 from above. It is supported.

The fuel hose 82 and the vacuum hose 83 extend forward from the fuel cock 80 along the left side of the storage box 21 in a plan view in the center of the vehicle width direction in front of the storage box 21 when viewed from above. It extends around.

The downstream end opening of the engine side portion of the vacuum hose 83 is communicatively connected to the vacuum port 78d of the intake manifold 78 and is fixed by a clip (not shown).

The engine-side portion of the fuel hose 82 extends forward after traversing the intake manifold 78 in the vehicle width direction and is connected to a fuel inlet (not shown) of the carburetor 76. And the fuel hose 82
The portion that crosses the intake manifold 78 is fitted and fixed in the clamp hole 78e of the holding fin portion 78b.

According to the fuel supply system of this embodiment, the intake manifold 78 is formed by casting rubber,
A holding fin portion 78b having a clamp hole 78e is integrally formed with the intake manifold 78, and the holding fin portion 78b is formed.
Since the fuel hose 82 is fixed by inserting the fuel hose 82 into the clamp hole 78e, the fuel hose 82 can be routed by effectively utilizing the narrow empty space between the intake manifold 78 and the storage box 21 and is simple. Fuel hose 82 with a simple structure and without the need for separate parts
Can be fixed, and contact with the storage box 21 can be prevented. By the way, when the fuel hose 82 is not fixed to the intake manifold 78 but simply connected to the carburetor 76, it is necessary to secure a contact preventing space between the fuel hose 82 and the vehicle body side such as the storage box 21. It is also necessary to prevent friction with the intake manifold 21 itself, which requires a large piping space.

In this embodiment, the fuel hose 82 is routed in the front fender portion 50 of the rear fender 32 and fixed by engaging with the front and rear guide pieces 85, 86 integrally formed with the front fender portion 50. Therefore, the number of parts can be reduced and the cost can be reduced as compared with the case of fixing by another member.

Further, in this embodiment, since the fuel cock 80 connected to the bottom wall of the fuel tank 22 is inclined to the front side, the space for disposing the fuel cock 80 can be reduced and the seat height can be increased. It can be prevented.
That is, when the fuel cock is arranged vertically, the lower dimension of the fuel tank becomes large and the seat height becomes high accordingly.

[Brief description of drawings]

FIG. 1 is a left side view of a scooter type motorcycle according to an embodiment of the present invention.

FIG. 2 is a left side view of a body frame of the motorcycle.

FIG. 3 is a plan view of a body frame of the motorcycle.

FIG. 4 is a side view of the handlebar cover of the motorcycle.

FIG. 5 is a side view of a front cover of the handle cover.

6 is a sectional side view of the front cover (a sectional view taken along line VI-VI in FIG. 8).

FIG. 7 is a front view of the front cover.

FIG. 8 is a plan view of the front cover.

9 is a cross-sectional front view of the front cover (cross-sectional view taken along line IX-IX in FIG. 4).

FIG. 10 is a side view of a rear end portion of a side cover of the motorcycle.

FIG. 11 is a plan view of the rear end portion of the side cover.

FIG. 12 is a view of the side cover fitting portion (XI in FIG. 11).
3 is a sectional view taken along line Ia-XIIa, a sectional view taken along line XIIb-XIIb, and a sectional view taken along line XIIc-XIIc).

FIG. 13 is a view of the side cover fitting portion (XI in FIG. 10).
IIa-XIIIa line cross section, XIIIb-XIIIb line cross section, XIIIc-XIIIc
It is a line sectional view).

FIG. 14 is a plan view of a top cover of the side cover.

FIG. 15 is a side view of the top cover.

FIG. 16 is a plan view of a side cover of the side cover.

FIG. 17 is a rear view of the rear fender of the motorcycle.

FIG. 18 is a side view showing a shake adjusting portion of the rear fender.

FIG. 19 is a sectional view of the rear fender (XIX-XI in FIG. 17).
It is an X-ray sectional view).

20 is a cross-sectional view (cross-sectional view taken along the line XX-XX in FIG. 22) of the vehicle body mounting portion of the rear fender.

21 is a cross-sectional view (cross-sectional view taken along the line XXI-XXI of FIG. 22) of the vehicle body mounting portion of the rear fender.

FIG. 22 is a side view of a fuel tank portion of the motorcycle.

FIG. 23 is a plan view of the fuel tank portion.

FIG. 24 is a plan view of a tank body of the fuel tank.

FIG. 25 is a sectional view of the fuel tank (XXV-XXV in FIG. 24.
It is a line sectional view).

FIG. 26 is a cross-sectional view (cross-sectional view taken along the line XXVI-XXVI in FIG. 23) of the seat lock mechanism of the motorcycle.

27 is a cross-sectional view (cross-sectional view taken along line XXVII-XXVII in FIG. 23) of the seat lock mechanism of the motorcycle.

FIG. 28 is a side view of the fuel supply device for the motorcycle.

FIG. 29 is a plan view of the fuel supply device.

FIG. 30 is a side view of an intake manifold of the fuel supply device.

FIG. 31 is a plan view of the intake manifold.

FIG. 32 is a rear view of the intake manifold.

[Explanation of symbols]

1 scooter type motorcycle 20 sheets 31 Side cover 43 Side cover 43c slide piece 43f stopper piece 43f 'Positioning recess 44 Top cover 44d engaging groove 44e Positioning protrusion 44f insert piece 45 tail light 46 light body 46c engaging part 47 lens a, b mating surface

Claims (5)

[Claims] 1. A region in which a taillight is mounted between rear ends of left and right side covers which are arranged so as to surround a lower portion of a seat, and which is formed by the taillight and the left and right side covers. In a side cover fitting structure for a motorcycle in which the upper end opening of the vehicle is covered with a top cover, by inserting the top cover from the front of the vehicle,
The position of the right side cover is regulated so that the left and right side covers and the top cover form a continuous front-rear alignment surface, and the position of the taillight is regulated so that the taillight and the top cover continue. A side cover mating structure for motorcycles, characterized in that the mating surfaces in the left-right direction are formed. 2. A slide piece extending in the vehicle front-rear direction is formed at upper edges of the left and right side covers, and both side edges of the top cover engage with the slide pieces. An engaging groove portion having a U-shaped cross section is formed so as to regulate the vertical position of the top cover and the left and right side covers by sliding the top cover toward the rear of the vehicle. A side cover mating structure for motorcycles, which is characterized by that. 3. The positioning recess according to claim 1 or 2, wherein the left and right side covers are formed with positioning recesses that are open toward the front of the vehicle and are inclined inward in the vehicle width direction. A left and right side cover is pulled inward in the vehicle width direction by sliding the top cover toward the rear of the vehicle. Side cover matching structure. 4. The light main body for supporting the lens of the taillight according to claim 1, wherein an engaging portion opening toward a vehicle front is formed, and the upper surface cover engages with the engaging portion. A side cover alignment structure for an automobile, wherein an insertion piece is formed, and the vertical position of the lens is regulated by sliding the top cover toward the rear of the vehicle. 5. The motorcycle according to claim 4, wherein the insertion piece is inclined rearward and downward, and has a function of pulling up the light body by engaging with the engaging portion. Side cover matching structure.