JP2003267282A - Vehicle body structure for motorcycle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicle body structure for a motorcycle effectively preventing crime without spoiling appearance by enabling the storage of an article or a manual or the like in an inner space of the vehicle body structure with a simple construction. <P>SOLUTION: In the vehicle body structure for the motorcycle 1, a rear cushion unit 41 is provided in a vehicle body center part space surrounded by an engine 3, a seating seat 16 and a rear fender 17 with having an axial line direction inclined forward, an air cleaner 13 is provided in a space in front of the rear cushion unit 41 and a left side of the vehicle in a roughly L shape in a plane view and an exhaust pipe 18 is extendingly provided on a lower part of a vehicle right side in a front and rear direction, a longer side of a battery 42 is roughly horizontally provided in a space formed between the vehicle right side of the rear cushion unit 41 and the rear fender 17 above the exhaust pipe 18 and beneath the seating seat 16 and a small article storage chamber 43 is provided below the battery 42. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle body structure for a motorcycle, and more particularly to a motorcycle body structure in which an article and an auxiliary device are housed in a central space of a vehicle body surrounded by the engine, a seat and a rear fender. It relates to the body structure.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG.
It is well known that a motorcycle 100 having a space surrounded by an engine (not shown), a rear cushion unit 41, a rear fender 17 and the like below 6 is mounted with a power supply battery 42 and the like by utilizing the space. There is. Reference numeral 42a is a battery holder.

When the battery 42 is mounted, if it is arranged vertically as in the conventional case, there is a problem that the space efficiency for occupying the space is deteriorated and the space for storing tools, manuals, etc. becomes insufficient. Therefore, as shown in FIG. 8, it is necessary to separately attach a luggage box 143 for accommodating tools, manuals and the like to the outside of the vehicle body.

[0004]

However, when the luggage box 143 is added, the number of parts increases and the number of attachment points to the vehicle body increases, so that the assembling work becomes complicated and the cost increases. . Further, since the luggage box 143 for accommodating the articles can be easily confirmed from the outside, there is a problem in crime prevention and a problem that the appearance is not good.

The present invention has been made in view of the above-mentioned problems of the prior art, and makes it possible to store articles, manuals and the like in the internal space of the vehicle body structure with a simple structure, without impairing the external appearance, and in addition to the crime prevention effect. It is an object of the present invention to provide a high-performance motorcycle body structure.

[0006]

SUMMARY OF THE INVENTION The present invention relates to a vehicle body structure for a motorcycle, in which an engine is mounted in the center of the vehicle body between the front and rear wheels of the motorcycle, and a seating seat is provided to extend rearward above the engine. Further, in a vehicle body structure of a motorcycle in which a rear fender that covers the front and the upper side of a rear wheel is arranged behind the engine, the rear wheel is placed in a center space of the vehicle body surrounded by the engine, the seat and the rear fender. A rear cushion unit that supports a supporting rear swing arm so as to be vertically swingable, an air cleaner of an intake device that supplies an air-fuel mixture to the engine, one end side is connected to an exhaust port of the engine, and the other end side is rearward. An exhaust pipe that extends and is connected to an exhaust silencer provided at a rear portion of a vehicle body, and a power supply battery having a rectangular parallelepiped shape are provided. The rear cushion unit is arranged so as to extend in the up-down direction in a state where the axial direction thereof is inclined forward, and the air cleaner is substantially L in a space in front of the rear cushion unit and on one side in the vehicle body width direction in a plan view. The exhaust pipe is arranged in the shape of a letter, and is arranged to extend in the front-rear direction at the lower part of the other side in the vehicle width direction on the side opposite to the air cleaner,
Above the exhaust pipe and below the seat, the battery is placed in a space formed between the other side of the rear cushion unit in the vehicle width direction and the rear fender. And an accessory storage chamber is disposed below the battery.

Further, according to the present invention, a side stand is provided so that the vehicle body inclines to one side in the vehicle width direction, and an opening is formed on a side surface of the small article storage chamber on the other side in the vehicle width direction. It is preferable that a frame cover for covering is detachably arranged on the vehicle body frame.

The accessory storage chamber has an inner lid for closing the opening, and the inner lid has a knob portion projecting outward in the lateral direction of the vehicle body, and the knob portion has the frame cover. It is preferably formed so as to contact the inner surface of the frame cover when mounted.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. 1 to 7 show an example of an embodiment for carrying out the invention, and FIG. 1 is a side view showing an overall configuration of a motorcycle adopting a vehicle body structure for a motorcycle according to the present invention, and FIG. FIG. 3 is a plan view showing the structure of the vehicle body of the motorcycle, FIG. 3 is a partial side view showing the structure of the vehicle body structure of the motorcycle, and FIG. 4 is a sectional view taken along the line XX in FIG.
FIG. 5 is a side view showing the layout of the battery and the accessory storage chamber inside the central space of the motorcycle, and FIG. 6 is a partial plan view showing the configuration of the accessory storage chamber and the side cover of the present embodiment,
FIG. 7 is an exploded explanatory view showing the structure of the small article storage chamber.
In the figure, the parts denoted by the reference numerals represent the same things, and the basic configuration is the same as the conventional one shown in the figure.

The present embodiment is a motorcycle 1 in which a motorcycle body structure according to the present invention is adopted. As shown in FIGS. 1 and 2, an engine 3 is provided at a substantially central portion of a body frame 2. A front fork 5 that is suspended and rotatably supports a front wheel 4 is provided by a handlebar 6 so as to be rotatable left and right, and a pivot shaft 7 that is erected behind the center portion of the body frame 2 is provided. The rear portion of the engine 3 is suspended, and a rear swing arm 10 that constitutes a rear wheel suspension device 9 that extends rearward and pivotally supports the rear wheel 8 is swingably supported in the up-and-down direction. It is a chain drive type motorcycle 1 that transmits drive to wheels 8.

As shown in FIGS. 1 and 2, the vehicle body frame 2 has a head pipe 2 which rotatably supports a front fork 5 which rotatably supports a front wheel 4 so as to be rotatable left and right.
1 and a down tube 23 provided with a suspension bracket 22 that hangs downward from the front of the engine 3 from the head pipe 21 and supports a front portion of a crankcase 33 at a lower end portion,
A tank rail portion 25a, which extends obliquely downward from the head pipe 21 toward the rear of the engine 3 and supports the fuel tank 15 disposed above the engine 3, and a crank rail 33, which hangs behind the crank rail 33 and a pair of right and left in the vehicle width direction. A main tube 25 having a side frame portion 25b disposed in the rear side, a seat rail 26 for supporting a seating seat 16 extending rearward from a substantially rear end portion of the tank rail portion 25a, and the side frame portion. 25b
The seat frame 26 has a cross frame 27 that reinforces the seat rail 26 by connecting the vicinity of the pivot shaft 7 and the substantially central portion of the seat rail 26.

The left and right side frame portions 25b are located behind the engine 3 with the rear end portion of the tank rail portion 25a as the center, and extend downward from the rear end portion of the tank rail portion 25a.
The lower end of the footrest 28 is connected in the vehicle width direction with a bridge pipe (not shown), and the left and right lower ends of the footrest 28 extend outward in the vehicle width direction. Are projected almost horizontally. A side stand 29 is provided at the lower end of the side frame portion 25b on the left side in the vehicle body width direction so that the vehicle body is inclined to the left side.

The engine 3 has a cylinder head 31 arranged at an upper portion thereof, a carburetor 12 arranged at a rear side of the cylinder head 31, and an air cleaner 13 arranged at a rear side of the carburetor 12 for connecting them. An intake passage is configured. Below the carburetor 12 and the air cleaner 13 and above the crankcase 33 arranged at the bottom of the engine 3, the secondary air switch valve 1 is provided.
4 are arranged.

A fuel tank 15 is installed above the engine 3 so as to straddle the tank rail portion of the main tube 25. Behind the fuel tank 15, a seating seat 16 overlaps a part of its front end side with an upper side of a rear end part of the fuel tank 15 and extends rearward along the vehicle body frame 2 to be seated on a seat rail 26. It is provided.

A rear fender 17 is formed below the seat 16. The rear fender 17 is formed from the front side of the rear wheel 8 upward, and extends rearward from the rear portion of the seat 16.

An exhaust pipe 18 extends from the front side of the engine 3 toward the rear side. The exhaust pipe 18 extends rearward from the front side of the cylinder 32 disposed below the cylinder head 31 along the vehicle right side (right side in the vehicle traveling direction), and further, the lower side of the cylinder. An exhaust muffler that is attached to the vehicle body frame 2 at the side of the rear wheel 8 and extends to the rear of the vehicle body along the upper side of the crankcase 33 that is disposed in the side frame portion 25b. Muffler) 19 is connected.

The front wheel 4 is rotatably supported by a pair of front forks 5 provided on the front side of the vehicle body, and a brake device 4b having a pair of brake calipers 4a is arranged on the left and right sides thereof. Further, above the front wheel 4, a front fender 4c that covers the front wheel 4 from above is provided.
Are arranged. The front fender 4c is attached to a front fork 5 on which the front wheel 4 is axially supported so as to be vertically movable together with the front wheel 4.

In the front fork 5, with the inner tube 5a arranged above and the outer tube 5b arranged below, an upper bracket 5c and an under bracket 5d are arranged vertically at the upper end of the inner tube 5a. Installed. Reference numeral 5e is a headlamp.

A central space of the vehicle body surrounded by the engine 3, the seat 16 and the rear fender 17, more specifically, as shown in FIGS. 3 to 5, the side frame portion 25b, the seat rail 26, and the cross frame 27 are seen in a side view. In a substantially inverted triangular space surrounded by, a rear cushion unit 41 that supports the rear swing arm 10 so as to be vertically swingable, the air cleaner 13, the exhaust pipe 18, and a rectangular parallelepiped power source. Battery 42 for use is provided.

The rear cushion unit 41 is shown in FIG.
As shown in FIG. 3, the lamp is arranged so as to extend in the up-down direction with its axial direction inclined forward. The air cleaner 13
As shown in FIG. 2, the rear cushion unit 4
It is arranged in a space in front of 1 and on the left side of the vehicle (on the left side in the traveling direction of the vehicle) in a substantially L shape in a plan view. A cleaner cap 13a is attached to the outside of the air cleaner 13 on the left side of the vehicle. The exhaust pipe 18 is shown in FIG.
As shown in FIG. 5, the vehicle is disposed so as to extend in the front-rear direction at the lower part on the right side of the vehicle on the side opposite to the air cleaner 13 when viewed from the front.

The battery 42 is, as shown in FIG.
Above the exhaust pipe 18 and below the bottom plate 16a of the seat 16, in the space formed between the vehicle left side of the rear cushion unit 41 and the rear fender 17, the long sides of the rectangular parallelepiped shape are arranged in a substantially horizontal direction. It is installed in.
Below the battery 42, an accessory storage chamber 43 is arranged.

The small article storage chamber 43 is arranged near the rear part of the space in the center of the vehicle body having a substantially inverted triangular shape in a side view. The small article storage chamber 43 has a right side surface in the vehicle width direction as shown in FIG. Further, a frame cover 44 is provided so as to cover the battery 42 and the small article storage chamber 43 from the side. As shown in FIG. 3, the frame cover 44 has a substantially inverted trapezoidal shape and is detachably attached to the body frame 2 from the side.

Further, as shown in FIG. 7, the small article storage chamber 43 is provided with a battery holder 43a for holding the battery 42 in the upper part thereof, and the battery holder 43a.
A storage portion 43b is formed on the lower side.

The battery holder 43a has a box shape with an open upper portion, and mounting holes 43c are formed at one location (two locations in total) on both left and right end edges of the vehicle. Further, a battery cover 43d is separately provided on the upper portion of the opening. A claw portion 43e is formed to project laterally on one edge of the battery cover 43d.
By attaching e to the end of the opening of the battery holder 43a, it is detachably attached.

The storage portion 43b has a taper shape which is downwardly directed in a side view, and an opening 43f is formed on the right side of the vehicle, and an inner lid 43g for closing the opening 43f from the side is a separate body. It is provided. The inner lid 43g has a knob portion 43h projecting outward in the lateral direction of the vehicle body.
Are formed.

The picking portion 43h is, as shown in FIG.
When the frame cover 44 is attached to the vehicle body frame 2, the frame cover 44 is provided so as to abut the inner wall 44a of the frame cover 44 or to be in a very close state.

As shown in FIG. 7, an electric component holder 43j formed separately is attached to the vehicle left side wall of the battery holder 43a by rivets. A locking portion 43k is formed at the center of the lower portion of the battery holder 43a so as to project outward and is positioned and held by a mounting bracket 30 welded to the vehicle body frame 2.

The attachment of the accessory storage chamber 43 to the vehicle body is as follows.
The battery holder 43a is fastened to the vehicle body frame with two mounting bolts (not shown) using the two mounting holes 43c formed in the upper portion of the battery holder 43a.
The position is fixed by k.

Next, the storage of articles in the small article storage chamber 43 of this embodiment will be described. First, as shown in FIG. 5, the battery 42 is stored in a state in which the seating seat 16 is removed, and the battery 42 is placed horizontally in a substantially horizontal position in the battery holder 43a above the accessory storage chamber 43 from above the accessory storage chamber 43. Place it in the lower direction. Then, the upper portion of the battery 42 is pressed by the battery cover 43d and held in the battery holder 43a.

The side stand 2 is used for storing tools and small items.
9 with the vehicle upright and the vehicle body tilted to the left side. At this time, the vehicle right side of the vehicle body is directed obliquely upward. In this state, the frame cover 44 is removed to expose the storage section 43b of the small article storage chamber 43.

Next, the inner lid 43g attached to the storage portion 43b is removed and the opening 43f is opened to store tools, small articles and the like. When the storage work is completed, the inner lid 43g is attached to the opening 43f, and the frame cover 44 is attached from the outside.
The storage work is completed by mounting it so as to cover.

With the above-mentioned structure, according to the present embodiment, the structure of the small article storage chamber 43 is similar to that of the battery holder 43.
a and a storage portion 43b, the battery holder 43a
Has a box shape, and the accommodating portion 43b is tapered downward toward the lower side of the battery holder 43a, so that the accessory accommodating chamber 43 can be accommodated in the inverted triangular space at the rear of the vehicle body central space. As a result, it is possible to store articles in a space-saving manner without being exposed to the outside.

Further, according to this embodiment, since the inner lid 43g is formed separately from the storage portion 43b, it is possible to form the small article storage chamber 43 without forming a complicated shape. Further, according to the present embodiment, the knob 43h is formed on the inner lid 43g, the knob 43h is covered with the frame cover 44, and the knob 43h is pressed by the inner wall 44a of the frame cover 44. It is possible to prevent the inner lid 43g from rattling, prevent it from coming off unexpectedly, and prevent the articles in the storage section 43b from falling off.

According to this embodiment, the storage portion 43b is also provided.
An engaging portion 43k is formed on the lower side, the engaging portion 43k is fitted to the bracket 30 welded to the vehicle body frame 2 for positioning and fixing, and the battery holder 43a is fastened with mounting bolts at two locations. Therefore, the battery holder 43a, the storage portion 43b, the battery cover 43d
Also, the electric component holder 43j can be unitized and integrally mounted, and the small article storage chamber 43 can be easily mounted to improve workability.

In the present embodiment, the inner lid 43g is formed separately from the storage portion 43b, but the present invention is not limited to this, and for example, the storage portion and the inner lid are partly formed. It may be configured to be physically connected. According to this structure, there is an advantage that the inner lid will not be forgotten to be closed or lost when the inner lid is removed when the articles are stored.

The vehicle body structure of the motorcycle according to the present invention is not limited to the above-mentioned illustrated example, and various modifications can be made without departing from the gist of the present invention.

[0037]

As described above, the first aspect of the present invention is as described above.
According to the vehicle body structure of the motorcycle described in any one of 3 to 3, it is possible to store articles, manuals, and the like in the internal space of the vehicle body structure with a simple structure, without impairing the appearance, and having a high crime prevention effect. It is possible to exert an excellent effect that can be provided.

More specifically, according to the present invention, a rear cushion unit, an air cleaner constituting an intake device of the engine, and an exhaust gas of the engine on one end side are provided in a central space of a vehicle body surrounded by the engine, a seat and a rear fender. An exhaust pipe connected to a port, the other end of which extends rearward and is connected to an exhaust silencer provided at the rear part of the vehicle body, and a power supply battery having a rectangular parallelepiped shape are provided. The air cleaner is disposed so as to extend in the vertical direction with the axial direction inclined forward, and the air cleaner is disposed in a space in front of the rear cushion unit and on one side in the vehicle body width direction in a substantially L shape in a plan view. A vehicle body structure of the motorcycle in which the exhaust pipe is arranged to extend in the front-rear direction at a lower portion on the other side in the vehicle width direction on the side opposite to the air cleaner, In the space formed between the rear fender and the other side of the rear cushion unit in the vehicle width direction below the seat, the battery is arranged with the long sides of the rectangular parallelepiped in a substantially horizontal direction. As a result, it can be stored in a small space in the height direction, and by arranging the small item storage chamber in the space below the battery obtained by saving space, without adding a luggage box etc. outside the vehicle body separately. , Tools and manuals can be stored inside the vehicle body.

Further, according to the present invention, by providing the side stand so that the vehicle body is inclined to one side in the vehicle width direction, the other side in the vehicle width direction of the vehicle body is inclined upward so that the other side in the vehicle width direction of the small article storage chamber is inclined. By forming the opening on the side surface on the side, the storage work can be performed easily and surely, and the frame cover for covering the opening is detachably arranged on the vehicle body frame. By preventing the falling of articles from the outside, by covering the small item storage chamber from the outside,
The crime prevention effect can be enhanced.

Further, according to the present invention, the small article storage chamber is provided with an inner lid for closing the opening to prevent the article from falling off, and the inner lid is projected outward in the lateral direction of the vehicle body. By providing the knob portion, the opening and closing work of the inner lid can be facilitated and the workability can be improved. Further, by forming the knob portion so as to contact the inner side surface of the frame cover when the frame cover is attached, the knob portion 43h can be pressed, the rattling of the inner lid can be prevented, and abruptly. It is possible to prevent the articles from coming off and prevent the articles in the storage section from falling off. The excellent effects as described above are obtained.

[Brief description of drawings]

FIG. 1 is a side view showing an overall configuration of a motorcycle that employs a vehicle body structure for a motorcycle according to an embodiment of the present invention.

FIG. 2 is a plan view showing a configuration of a vehicle body of the motorcycle.

FIG. 3 is a partial side view showing the structure of the vehicle body structure of the motorcycle.

4 is a cross-sectional view taken along the line X-X of FIG.

FIG. 5 is a side view showing a layout of a battery and an accessory storage chamber inside a central space of the motorcycle.

FIG. 6 is a partial plan view showing a configuration of a small article storage chamber and a side cover of the present embodiment.

FIG. 7 is an exploded view showing the structure of the small article storage chamber.

FIG. 8 is a partial side view showing a structure of a conventional motorcycle body structure.

[Explanation of symbols]

1 motorcycle 2 body frame 3 engine 13 Air cleaner 15 Fuel tank 16 Seat 17 Rear fender 18 Exhaust pipe 29 Side stand 41 Rear cushion unit 42 battery 42a battery holder 43 accessory storage room 43a Battery holder 43b storage 43c Mounting hole 43d battery cover 43e Claw 43f opening 43g inner lid 43h Picking part 43j Electric component holder 43k locking part 44 frame cover 44a inner wall

Claims (3)

[Claims] 1. An engine is mounted in a central portion of a vehicle body between front and rear wheels of a motorcycle, a seat is provided to extend rearward above the engine, and a seat is provided in front of and above the rear wheel behind the engine. In a motorcycle body structure in which a rear fender that covers the rear fender is disposed, a rear swing arm that pivotally supports a rear wheel is swingably supported in a vertical direction in a space in a center portion of the vehicle body surrounded by the engine, a seat and a rear fender. The cushion unit, the air cleaner of the intake device that supplies the air-fuel mixture to the engine, one end of which is connected to the exhaust port of the engine, and the other end of which extends rearward and is connected to an exhaust silencer provided at the rear of the vehicle body. An exhaust pipe and a power supply battery having a rectangular parallelepiped shape are arranged, and the rear cushion unit is inclined forward in the axial direction. In a state of being vertically extended, the air cleaner is disposed in a space in front of the rear cushion unit and on one side in the vehicle width direction in a substantially L shape in a plan view, and the exhaust pipe is It is disposed so as to extend in the front-rear direction at a lower portion on the other side in the vehicle width direction opposite to the air cleaner, above the exhaust pipe and below the seat, and the other side in the vehicle width direction of the rear cushion unit and the rear fender. 2. A vehicle body structure for a motorcycle, characterized in that a long side of a rectangular parallelepiped shape is arranged substantially horizontally in a space formed between the battery and a small article storage chamber is arranged below the battery. 2. A frame for providing a side stand so that the vehicle body leans to one side in the vehicle width direction, forming an opening on a side surface of the accessory storage chamber on the other side in the vehicle width direction, and covering the opening. The vehicle body structure for a motorcycle according to claim 1, wherein the cover is detachably arranged on the vehicle body frame. 3. The small article storage chamber includes an inner lid that closes the opening, the inner lid includes a knob portion that protrudes outward in the lateral direction of the vehicle body, and the knob portion includes the frame cover. The vehicle body structure of the motorcycle according to claim 2, wherein the vehicle body structure is formed so as to come into contact with an inner surface of the frame cover when mounted.