JPH11165678A - Motorcycle cover device - Google Patents

Abstract

(57) [Summary] [Problem] To provide a large air cleaner above the engine, shorten the intake path, improve intake efficiency, and install a heavy fuel tank at a low position below the seat to reduce maneuverability with a low center of gravity. Provided is an excellent motorcycle cover device. A cover is divided into left and right side covers (11) and a center cover (12), and the center cover (11) extends from a fuel tank (8) disposed below a seat (9) to support a fuel filler (10). The right and left side covers 12 are removably connected to the center cover 11 while being fastened to the body frame. Then, a meter case 18 located above the air cleaner 6 is attached to a front portion of the center cover 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover device for a motorcycle.

[0002]

2. Description of the Related Art In general, a motorcycle is provided with a fuel tank having a front-rear gouge at the lower center above a front portion of the frame so as to straddle the frame. A seat is installed, and an engine is mounted on the lower side of the fuel tank. In some cases, an air cleaner is attached to the upper side of the engine. However, in the case of the motorcycle, since the air cleaner is inserted into the gouge of the fuel tank,
There is a disadvantage that the size of the air cleaner is limited, the size of the air cleaner becomes small, and the intake resistance increases.

[0003] Therefore, there is a fuel cell system in which the tank capacity of the fuel tank is reduced, the air cleaner mounted below the front part of the fuel tank is increased, and a sub-tank is mounted on the lower side of the seat to secure the fuel storage amount. In this regard, see, for example, JP-A-62-43380. In some cases, a fuel tank type cover is provided, an air cleaner is attached to a front portion of the cover, and a fuel tank is attached so as to protrude downward from a rear portion of the cover. 62-1100
No. 90).

[0004]

The conventional motorcycle is
Although configured as described above, in the case of a two-passenger passenger aiming at long touring, in recent years, a large-sized air cleaner having a low intake resistance, a short intake path, and good intake efficiency has been demanded. Further, there is a demand for a vehicle having a low center of gravity of a vehicle, good steering stability, and capable of running comfortably.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has a large air cleaner above an engine, which has a short intake path, has a good intake efficiency, and moves a heavy fuel tank to a lower position below a seat. It is an object of the present invention to provide a cover device for a motorcycle which is installed to have a low center of gravity and excellent maneuverability.

[0006]

According to the present invention, in order to achieve the above object, a cover is divided into left and right side covers and a center cover, and the center cover is extended from a fuel tank disposed below a seat. The center cover is fastened to the vehicle body frame, and the left and right side covers are detachably connected to the center cover. Note that a meter case located above the air cleaner may be attached to the front of the center cover.

According to the present invention, the left and right side covers can be attached and detached easily without removing the center cover.
Can be checked. In addition, the air cleaner can be connected to the engine via a carburetor on the upper side of the engine via a short intake path, and the air cleaner can be configured to have a large volume. In addition, since the heavy fuel tank is located at a low position substantially at the center of the frame on the lower side of the seat, the center of gravity is low, and steering stability is improved. In addition, since the fuel tank is built in a low position substantially at the center, the security function in the event of a collision or a fall is improved. The fuel supply port of the fuel tank can be opened by opening the opening / closing lid of the center cover.

According to the second aspect of the present invention, the meter case attached to the front fork is usually attached to the front portion of the center cover, so that the steering of the front wheels is improved.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a motorcycle cover device according to the present invention will be described with reference to FIGS. In the figure, reference numeral 1 denotes an engine of a motorcycle. The engine 1 is a V-type two-cylinder type in which a cylinder 2 is disposed in a V-shape in front and rear, and is mounted below a front part of a frame 3 of the motorcycle. Cylinder 2 on the front side of engine 1
The intake pipe 4 protrudes upward from the rear and the intake pipe 4 protrudes upward from the rear cylinder 2 to the front, and is connected to the carburetor 5, and is connected to the air cleaner 6 located just above the cylinder 2 of the engine 1. ing. This air cleaner 6
It is installed so as to be located in front of the upper pipe 7 on the left and right of the frame 3. Since the air cleaner 6 having such a configuration has no fuel tank at the installation position, the air cleaner 6 can have a large volume.

Reference numeral 8 denotes a fuel tank.
It is installed on the lower side of the rider's seat 9 and has its fuel filler 1
Reference numeral 0 extends upward and forward and is attached to the rear side of the air cleaner 6. These air cleaner 6 and oil filler 10 are
The upper side and both left and right sides are covered with a center cover 11 and a side cover 12. The front and rear portions of the center cover 11 are screwed to stays 13 of the frame 3 as shown in FIGS.

The center cover 11 is, as shown in FIG.
A louver 14 is provided on the side surface to allow ventilation, and the louver 14 functions to promote heat radiation of the engine 1. The upper side of the side cover 12 is screwed to the lower side of the center cover 11 as shown in FIG. As shown in FIGS. 3 and 8, a pin 15 is inserted into a hole of the elastic bush 16 and attached to the upper pipe 7, so that attachment and detachment are facilitated.

Also, the center cover 11 and the side cover 1
Numeral 2 is formed as a conventional fuel tank type, and has a shape that is convenient for a rider to sandwich it between inner legs. As shown in FIG. 10, a recess having a substantially dish-shaped cross section is formed in the rear portion of the center cover 11, and an oil supply port is attached to a mounting hole of the recess. An opening / closing lid 17 is rotatably supported by a key at a rear portion of the center cover 11 so that the opening / closing lid 17 can be opened by opening the opening / closing lid 17 upward. Has become. A meter case 18 such as a speedometer located above the air cleaner 6 is attached to a front portion of the center cover 11.

According to the above configuration, the air cleaner 6 having a large volume can be arranged immediately above the cylinder 2 of the engine 1, has a small intake resistance, can shorten the intake system, and has a good intake efficiency. . Further, since the fuel tank 8 is located at a lower part on the lower side of the seat 9, the center of gravity can be lowered, and the steering stability can be improved. Further, the fuel supply port 10 can be easily supplied with fuel by opening the opening / closing lid 17 of the center cover 11. In addition, since the dead space between the cylinders 2 at the front and rear portions of the engine 1 can be effectively used, simplification of the intake holes, integration of the carburetor, and downsizing can be greatly expected. In addition, a series of systems such as an air cleaner can be directly connected in series. Further, since the meter case 18 is attached to the front of the center cover 11, the meter case 18 is easy to see and the steering of the front wheels is lightened.

In the above embodiment, the center cover 11 is used.
Although the louver 14 is provided on the side surface of the air cleaner 6, the present invention is not limited to this, and the louver 14 may be provided on an upper portion of the air cleaner 6 or the like. Furthermore, although the meter case 18 made of a speedometer is shown, a meter case 18 made of another type of measuring device may be used.

[0015]

As described above, according to the present invention, the cover is divided into the left and right side covers and the center cover and supports the fuel filler, so that the left and right side covers can be removed without removing the troublesome center cover. The cover can be removed. Therefore, there is an effect that the maintenance of the upper part of the engine and the air cleaner becomes very easy. Also, a large volume air cleaner can be placed on the engine,
There is an effect that the intake resistance is small, the intake system path is short, and the intake efficiency can be improved. In addition, since the fuel tank is disposed at the lower part of the seat at the center of the vehicle body, the center of gravity of the vehicle is lowered, and improvement in steering stability can be expected.

Further, since the fuel tank is accommodated in a portion surrounded by the seat and the frame cover, breakage at the time of falling down can be reduced, and safety can be improved. Further, the center cover and the side cover are of a fuel tank type, so that the rider can easily hold the center cover and the side cover between the inner claws. In addition, if a louver is provided in the center cover, it becomes possible to make the inside ventilation good. Also, the opening and closing lid of the center cover can be opened to provide a structure capable of supplying oil to the oil supply port, which is convenient.

According to the second aspect of the present invention, since the meter case is set on the center cover above the air cleaner, the wiring of the meter and the like housed inside the meter case is removed during maintenance of the engine or the like. There is no need to remove the cover. Further, since the hot air of the engine does not directly act on the meter or the like by the air cleaner, the durability is improved. Further, since the meter case has a configuration irrelevant to the handling of the steering wheel, the steering is lightened.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of a cover device for a motorcycle according to the present invention.

FIG. 2 is a plan view showing an embodiment of a cover device for a motorcycle according to the present invention.

FIG. 3 is a sectional view taken along line AA of FIG. 1;

FIG. 4 is a sectional view taken along line BB of FIG. 1;

FIG. 5 is a sectional view taken along line CC of FIG. 1;

FIG. 6 is a sectional view taken along line DD of FIG. 1;

FIG. 7 is a sectional view taken along line EE of FIG. 1;

FIG. 8 is a sectional view taken along line FF of FIG. 1;

FIG. 9 is a sectional view taken along line GG of FIG. 1;

FIG. 10 is an exploded perspective view of a center cover and a side cover showing the embodiment of the cover device for a motorcycle according to the present invention.

FIG. 11 is a side view of the entire motorcycle showing an embodiment of the cover device for the motorcycle according to the present invention.

FIG. 12 is a plan view of the entire motorcycle showing an embodiment of a motorcycle cover device according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Engine 6 Air cleaner 8 Fuel tank 9 Seat 10 Filling port 11 Center cover 12 Side cover 14 Louver 17 Opening / closing lid 18 Meter case

Claims (2)

[Claims] A cover is divided into left and right side covers and a center cover, and the center cover extends from a fuel tank disposed below a seat to support a fuel filler, and the center cover is fastened to a body frame. A cover device for a motorcycle, wherein the left and right side covers are detachably connected to the center cover. 2. The motorcycle cover device according to claim 1, wherein a meter case located above an air cleaner is attached to a front portion of the center cover.