JP2001080561A - Fairing device of motorcycle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a faring device of motorcycle capable of ensuring the forward visibility between lateral lamp bodies and extending the forward visual field downward. SOLUTION: This fairing device of a motorcycle 1 comprises a lateral pair of lamp bodies 19a, 19b and an upper cowl 41 for covering the upper part of a front fork from the front side. The upper cowl 41 has a wind support part 50 above the lamp bodies 19a, 19b. The wind support part 50 has a cutout part 51 cut in a shape tapered with a downward inclination toward the front part, and the cutout part 51 is covered with a transparent windshield 54. In the wind support part 50, the front end of the tapered cutout part is fitted between the lamp bodies 19a, 19b when the upper cowl 41 is seen from the front, and the wind shield 54 has an extension part 57 extended downward so as to conform to the front end of the cutout part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fairing device for a motorcycle having a windshield for reducing wind pressure on the upper body of a driver.

[0002]

2. Description of the Related Art A supersports type motorcycle having a shape close to a road racer is equipped with a fairing for reducing air resistance during high-speed running. This type of fairing is composed of an upper cowl, a middle cowl and an under cowl. The upper cowl is located in front of the upper part of the front fork, and has a transparent windshield mainly for reducing wind pressure applied to the upper body of the driver. The middle cowl and the under cowl cover the range from the side to the lower side of the engine, and mainly protect the driver's legs from wind pressure.

The upper cowl covers a lamp body and a meter unit of a headlamp disposed at an upper front portion of a front fork, and a window support is formed at an upper end of the upper cowl. The window support portion has a notch portion that is tapered while being inclined downward as it moves forward, and a windshield is screwed to a peripheral portion of the notch portion.

[0004] The windshield is smoothly curved downward as it goes forward above the lamp body and the meter unit, so that the flow of air from the front is straightened while the motorcycle is running. It has become. For this reason, when the driver is running in a prone position so that the upper body can sink into the windshield,
The driver has a front view through the windshield.

[0005] This type of upper cowl has a front surface connected to a windshield, and a lens of a headlamp is exposed on the front surface of the upper cowl. in this case,
For example, as seen in Japanese Unexamined Patent Application Publication No. 11-59529, in a motorcycle in which a pair of headlamps are arranged in front of the front fork and spaced apart from each other in the vehicle width direction, the lens of the headlamps is located in front of the upper cowl. The front end of the cutout of the window support is located above these lenses.

Therefore, when the motorcycle is viewed from the front, the front end of the windshield is located at a position higher than the headlamp, and the front of the upper cowl connecting the front end of the windshield and the lens of the headlamp is located just between the lamp body. Is located in front of the space formed.

[0007]

On the other hand, a motorcycle of a super sports type may be used as a road racer by removing security parts such as flasher lamps. In such a use form, the driver is often forced to face down, and inevitably the opportunity to look ahead through the windshield increases.

However, in a motorcycle having left and right headlamps as disclosed in the above-mentioned publication, the front end of the windshield is located higher than a pair of headlamps, so that the upper body is particularly sunk inside the windshield. When traveling in such a prone position, the upper part of the front surface of the upper cowl may enter the driver's field of view.

For this reason, when the vehicle is running in a prone position, it may be difficult to confirm the road surface condition immediately before the front wheels and the distance between the front wheels and the preceding vehicle, and there is room for improvement in this respect. Is left.

The present invention has been made in view of such circumstances, and provides a fairing device for a motorcycle in which the front view can be seen through the space between the left and right lamp bodies and the front view can be easily expanded downward. With the goal.

[0011]

To achieve the above object, a fairing device for a motorcycle according to the present invention comprises a left and right lamp bodies disposed at a front upper portion of a front fork and spaced apart in a vehicle width direction; A headlamp assembly having left and right lenses connected to the front end of the lamp body; and an upper cowl for covering a lamp body of the headlamp assembly and an upper portion of the front fork from the front, wherein the upper cowl is provided with the headlamp assembly. The window support has a notch that is tapered while being inclined downward as it goes forward, and covers the notch in the window support. A transparent windshield is attached. And when the wind support section sees the upper cowl from the front,
The front end of the tapered notch is inserted between the left and right lamp bodies, and the windshield has an extension extending downward so as to correspond to the front end of the notch. It is characterized by having.

[0012] According to such a configuration, when the driver is running in a prone position so that the upper body is sunk into the windshield, the driver looks forward through the windshield. At this time, the front end of the notch of the window support portion is cut downward so as to enter between the left and right lamp bodies, and is extended to correspond to the front end of the notch even in the windshield. In particular, when the driver is running in a prone position, the driver can see the front through the extension of the windshield from between the lamp bodies.

Therefore, the driver's field of view when looking ahead through the windshield can be expanded downward, and the road condition immediately before the front fork and the movement of the preceding vehicle can be easily recognized.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG.
A description will be given with reference to FIG.

FIGS. 1 to 3 show a motorcycle 1 of a super sports type having a shape close to a road racer. A frame 2 of the motorcycle 1 includes a steering head pipe 3, a pair of left and right main frame members 4.
a, 4b and a rear frame member 5.

The steering head pipe 3 is located at the front end of the frame 2, and a front fork 6 is supported on the steering head pipe 3. The front fork 6 supports a front wheel 7 at a lower end thereof.
a, 8b are attached.

The main frame members 4a and 4b extend rearward from the steering head pipe 3 and are spaced apart from each other in the vehicle width direction. The main frame members 4a, 4b are inclined downward as they move rearward of the steering head pipe 3, and a fuel tank 9 is installed on the main frame members 4a, 4b.

Left and right rear arm brackets 10 (only one is shown) are welded to the rear ends of the main frame members 4a and 4b. The rear arm bracket 10
The rear arms 11 protrude downward from the rear ends of the main frame members 4a and 4b, and the rear arm bracket 10 pivotally supports the rear arm 11. Rear arm 1
Reference numeral 1 extends rearward of a rear arm bracket 10, and a rear wheel 12 is supported at a rear end of the rear arm 11.

Further, the main frame members 4a and 4b and the rear arm bracket 10
The cylinder engine 13 is supported. This engine 13
Is located below the fuel tank 9.

The rear frame member 5 extends rearward from the rear ends of the main frame members 4a and 4b. The rear frame member 5 is located above the rear arm 11 and the rear wheel 12, and a seat 14 is installed on the rear frame member 5.

In front of the steering head pipe 3,
The headlamp assembly 16 and the meter unit 18 are arranged. As shown in FIG. 5, the headlamp assembly 16 includes a pair of left and right headlights 17a and 17b of a multi-reflector type. The head lamps 17a and 17b include box-shaped lamp bodies 19a and 19b opened forward, and these lamp bodies 19
a and 20b covering the open ends of the apertures 19a and 19b.

The head lamps 17a and 17b are arranged apart from each other in the vehicle width direction, and are distributed right and left with respect to the vehicle body center line OW shown in FIGS. A reflecting mirror 21 is housed inside each of the lamp bodies 19a and 19b, and a lamp bulb 22 is arranged at the center of the reflecting mirror 21. Further, the lamp bodies 19a, 1
9b are integrally connected via a connecting portion 23.
The connecting portion 23 has a hollow box shape and extends between the lamp bodies 19a and 19b below the upper surfaces of the lamp bodies 19a and 19b. Therefore, a space 24 is formed between the upper portions of the lamp bodies 19a and 19b, and the space 24 is formed between the lamp bodies 19a and 19b.
It is open upward, forward and backward.

The lenses 20a and 20b are connected to the lamp body 1
9a and 19b are fixed to the front end openings. The lenses 20a and 20b of the present embodiment are simply transparent covers having no function of changing the light distribution characteristics using refraction. As shown in FIG. 6, the head lamps 17a and 17b are viewed from the front. Sometimes it has a horizontally long rectangular shape. Lens 2
The lenses 20a and 20b are curved so as to go backward as they move outward along the vehicle width direction.
The upper edge 25 of a and 20b is inclined upward as it goes outward along the vehicle width direction.

The head lamps 17a, 17b
Is not specified as a multi-reflector type, but performs a lens cut for changing the light distribution characteristics on the lenses 20a and 20b, and refracts light reflected by a single parabolic reflector with this lens cut. Thus, a desired light distribution may be obtained.

The meter unit 18 is disposed above the rear portions of the lamp bodies 19a and 19b. The meter unit 18 has a speedometer, a tachometer, and various indicator lamps, and a cable 26 is connected to the back of the meter unit 18.

Such a headlamp assembly 16
The meter unit 18 is supported by the steering head pipe 3 via a lamp bracket 28.
4 and 5, the lamp bracket 28 includes an arm 29, a front panel 30, and a stay 31.

The arm 29 is bolted to the front end of the steering head pipe 3 and protrudes forward of the head pipe 3. The front panel 30 includes the arm 2
9 is welded to the front end. The front panel 30
The steering head pipe 3 is arranged in a vertical position so as to face the steering head pipe 3. This front panel 30
A plurality of support pieces 32a-3 projecting from upper and lower ends in the vehicle width direction
Mounting seats 33a and 33b formed on the upper and rear surfaces of the lamp bodies 19a and 19b are screwed to the support pieces 32a to 32d, respectively.

The upper portion of the front panel 30 protrudes above the lamp bodies 19a and 19b, and a support piece 32e projecting upward is formed at the center of the upper portion. The rear surface of the meter unit 18 is screwed to the upper part of the front panel 30 including the support piece 32e. Cable 26 connected to this meter unit 18
Are guided to the front of the front panel 30 through through holes 34 (shown in FIG. 6) opened in the upper part of the front panel 30.

The stay 31 is welded to the upper part of the front panel 30 and extends horizontally in the vehicle width direction. Stay 31
Are bent rearward and obliquely upward, and a pair of mirror brackets 35a, 35
5b is welded.

As shown in FIGS. 1 to 3, the motorcycle 1 is equipped with a fairing 40 for reducing air resistance during high-speed running. The fairing 40 covers the frame 2 so as to continuously cover a range from the upper front of the front fork 6 to the side and below the engine 13.
It is supported by. The fairing 40 includes an upper cowl 41, a middle cowl 42, and an under cowl 43.
It is composed of

The upper cowl 41 is located in front of the upper part of the steering head pipe 3 and the front fork 6, and the lamp body 1 of the head lamps 17a and 17b is provided.
9a and 19b and the meter unit 18 are covered. The middle cowl 42 covers and conceals the periphery of the cylinder of the engine 13 from the front half of the main frame members 4a and 4b. The under cowl 43 continuously covers around the crankcase of the engine 13 from the side and below.

The upper cowl 41 has a headlamp 17
a, front surface 4 where lenses 20a, 20b of 17b are exposed
Four. The front surface 44 of the upper cowl 41 is curved so as to be narrowed rearward as it proceeds outward in the vehicle width direction.
It matches the curved shape of 0a, 20b. Therefore, the lenses 20 a and 20 b smoothly connect to the front surface 44 of the upper cowl 41 and are integrated with the front surface 44.

The upper cowl 41 has an extension 45 extending rearward from the upper portion of the front surface 44 toward the upper end of the front fork 6. The extension part 45 is connected to the stay 31.
The left and right rear-view mirrors 47a and 47b are installed in the middle part of the extension 45.

The rearview mirrors 47a and 47b are provided by inserting mounting bolts (not shown) projecting from the lower ends of the stay portions 48 into the mirror brackets 35a and 35b, and tightening the tips with nuts. It is fixed to 35a, 35b. At this time, the mounting bolt is attached to the extension 45 of the upper cowl 41.
, And the extension 45 is connected to the rearview mirror 47.
a and 47b are fixed to the mirror brackets 35a and 35b.

As shown in FIG. 8, the upper portion of the front surface 44 of the upper cowl 41 including the extension portion 45 is inclined downward as it goes forward, and a window support portion 50 is formed on the upper portion of the front surface 44. . The window support 50 is
It has a notch 51 cut out in a substantially V shape.
The notch 51 has a tapered shape as it moves forward, and its front end 52, which is sharply pointed, is located on the vehicle body center line OW. As best shown in FIG. 7, the front end 52 of the cutout portion 51 is cut downward so as to enter between the lamp bodies 19a and 19b when the motorcycle 1 is viewed from the front. Are located between the upper edges 25 of the adjacent lenses 20a and 20b. Therefore, the front end 52 of the notch 51 is
It is located just before the space 24 between 9a and 19b.

The window support 50 of the upper cowl 41
Is covered by a transparent windshield 54. The windshield 54 is mainly for reducing the wind pressure applied to the upper body of the driver R, and has a tapered shape corresponding to the cutout portion 51.
The side edge of the windshield 54 is superposed on the lower surface of the window support 50 facing the cutout 51, and a plurality of portions of the side edge are detachably fixed to the window support 50 via screws 55. ing.

For this reason, the windshield 54 is inclined downward as it moves forward, and smoothly extends to the front surface 44 and the extension 45 of the upper cowl 41. The windshield 54 allows the lamp body 19a,
19b and the meter unit 18 are covered from above.

The windshield 54 has a tapered front end and an extension 57 extending further downward. The extending portion 57 is sharply pointed so as to correspond to the front end 52 of the notch 51, and the lamp body 19a,
The space 24 between 19b is covered from the front. As shown in FIG. 7, the extending portion 57 of the windshield 54 is provided with the lenses 20a, 20b of the headlamps 17a, 17b.
It enters between the cut upper edges 25 of b.

For this reason, the left and right lenses 20a, 20b of the shape cut out on the front surface 44 of the upper cowl 41 and the windshield 54 extended so as to enter between the lenses 20a, 20b are located. ,
The front mask when the motorcycle 1 is viewed from the front is dynamic with a sense of speed.

The front surface 44 of the upper cowl 41 is supported from behind by the connecting portion 23 of the lamp bodies 19a and 19b. This support structure will be described with reference to FIGS.

As shown in FIG. 5 and FIG.
The connecting portions 23 of 9a and 19b integrally have a supporting portion 60 projecting forward. The support portion 60 has a hollow box shape and is interposed between the front ends of the lamp bodies 19a and 19b. A grommet 62 made of rubber is attached to a front end surface 61 of the support portion 60. The grommet 62 has a fitting hole 63 at the center thereof, and the fitting hole 63 is continuous with the internal space of the support portion 60.

The front surface 44 of the upper cowl 41 has a central portion 65 facing the grommet 62. Central part 6
Reference numeral 5 is located between the lenses 20a and 20b, and a seat portion 66 projecting rearward is formed integrally with the inner surface of the central portion 65. The seat 66 is located immediately before the front end 52 of the cutout 51. A fitting pin 67 projecting rearward is integrally formed on the rear end face of the seat 66. The fitting pin 67 is detachably fitted into the fitting hole 63 from the front of the grommet 62. As a result, the central portion 65 of the front surface 44 of the upper cowl 41 is supported from the rear by the connecting portion 23 of the lamp bodies 19a and 19b, and the head lamp assembly 16 and the upper cowl 41 are positioned with respect to the vehicle body center line OW. I have.

Also, as shown in FIG.
A fitting portion between the notch 51 and the fitting pin 67 is located below the front end 52 of the notch 51, and is covered from above by the extension 57 of the windshield 54.

The operation of fitting the fitting pin 67 into the fitting hole 63 of the grommet 62 is performed at a stage before the windshield 54 is attached to the window support 50 of the upper cowl 41. Therefore, the fitting pin 67 is inserted into the fitting hole 6.
3 can be performed through the front end 52 of the cutout portion 51 of the window support 50 so that the fitting operation of the fitting pin 67 can be easily performed. .

As shown in FIG. 1, while the motorcycle 1 is running, the driver R grasps the bar handles 8a and 8b with both hands H and straddles the seat 14 in a forward leaning posture in which the fuel tank 9 is sandwiched between the knees K. ing. In particular, during high-speed running, the driver R is forced to face down on the fuel tank 9 so that the upper body is sunk inside the windshield 54 in order to reduce air resistance. Therefore, the driver R looks forward through the windshield 54.

At this time, according to the motorcycle 1 having the above configuration, the upper cowl 41 supporting the windshield 54 is provided.
The window support portion 50 is cut downward so that when the motorcycle 1 is viewed from the front, the front end 52 of the cut-out portion 51 having a tapered shape enters between the left and right lamp bodies 19a and 19b. In addition, the windshield 54 also has an extended portion 57 extended so as to correspond to the front end 52 of the cutout portion 51.

From this, when the driver R is running in a prone position, as shown by the broken line in FIG.
The front can be seen from the space 24 between the lamp bodies 19a and 19b through the extension 57 of the windshield 54, and the field of view when looking ahead through the windshield 54 can be expanded downward.

Accordingly, it is possible to easily recognize the road surface condition immediately before the front wheels 7, the distance from the preceding vehicle, or the movement of the preceding vehicle, and the maneuverability during high-speed traveling can be improved.

When the motorcycle 1 is used as a road racer, if the meter unit 18 is replaced with a small tachometer, the upper part of the headlamp assembly 16 is opened more widely. Therefore, especially when the vehicle is running in a prone position, the extension 57
Is easily located in the field of view, and a sufficient front view can be secured.

In addition, in the general motorcycle 1 mainly used for driving on public roads, the vicinity of the front end of the windshield 54 including the extending portion 57 is colored black so that, for example, the front surface 44 of the upper cowl 41 Lamp bodies 19a, 19b
There may be a case where an appearance countermeasure is performed so as to make the connecting portion with the connecting portion 23 difficult to see from the outside. Therefore, when the motorcycle 1 for traveling on a public road is used as a road racer, the colored windshield 54 may be replaced with a completely transparent windshield for racing.

Further, according to the above configuration, since the front end of the windshield 54 is extended downward, the front end of the windshield 54 and the front surface 4 of the upper cowl 41
4 is located at the front end of the upper cowl 41. For this reason, during traveling of the motorcycle 1, when the traveling wind hits the front end of the upper cowl 41 and is rectified upward, most of the traveling wind flows along the windshield 54, and the rectification effect is further improved. Can be.

The shape of the lens of the headlamp is not limited to the above embodiment, and may be, for example, a perfect circle, an ellipse, or a square.

[0053]

According to the present invention described in detail above, especially when the driver is running in a prone position, the driver can look forward through the extension of the windshield from between the lamp bodies. , The field of view when looking ahead through the windshield can be expanded downward. For this reason, it is possible to easily recognize the road surface condition immediately before the front fork, the distance from the preceding vehicle, or the movement of the preceding vehicle, and the maneuverability during high-speed traveling can be improved.

[Brief description of the drawings]

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

FIG. 2 is a plan view of the motorcycle.

FIG. 3 is a front view of the motorcycle.

FIG. 4 is a side view showing a state in which a headlamp assembly and a meter unit are attached to a steering head pipe via a lamp bracket.

FIG. 5 is a perspective view showing a positional relationship between a lamp bracket, a headlamp assembly, and a meter unit.

FIG. 6 is a front view showing a positional relationship between a windshield, a lamp body, and a meter unit.

FIG. 7 is a front view of the acknowledgment showing the positional relationship between the extending portion of the windshield, the lamp body, and the lens.

FIG. 8 is a side view showing a state where the upper cowl is attached to a frame.

9 is a sectional view taken along the line 9F-9F in FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Motorcycle 6 ... Front fork 16 ... Headlamp assembly 17a, 17b ... Headlamp 19a, 19b ... Lamp body 20a, 20b ... Lens 40 ... Fairing 41 ... Upper cowl 50 ... Wind support part 51 ... Notch part 54 ... Window Shield 57 ... Extension

Claims (3)

[Claims] 1. A headlamp assembly having left and right lamp bodies arranged in front of a front fork and separated from each other in a vehicle width direction, and left and right lenses connected to front ends of the lamp bodies; An upper cowl that covers an upper portion of the lamp body and the front fork from the front; and the upper cowl has a window support above the headlamp assembly.
In a fairing device for a motorcycle having a cutout portion cut in a tapered shape while being inclined downward as proceeding forward, and a transparent windshield covering the cutout portion is attached to the window support portion. When the upper cowl is viewed from the front, the front end of the tapered notch is inserted between the left and right lamp bodies, and the windshield is positioned at the front end of the notch. A fairing device for a motorcycle, comprising a correspondingly extending extension. 2. The upper cowl according to claim 1, wherein the upper cowl has a front surface on which left and right lenses are exposed, and the front surface is curved rearward as the lens advances outward along the vehicle width direction together with the lens. The fairing device for a motorcycle, wherein the upper edge of the lens is inclined upward as it goes outward in the vehicle width direction when the upper cowl is viewed from the front. 3. The motorcycle according to claim 2, wherein the extension of the windshield is located between upper edges of adjacent lenses when the upper cowl is viewed from the front. Fairing equipment.