JP2001063655A - Lighting apparatus fitting construction in compact vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the life of a lighting apparatus at low cost without increasing running resistance by fitting a reflector to the back of a wind screen so that the reflecting light directly transmits the wind screen to irradiate forward. SOLUTION: A headlight 281 as a lighting apparatus is provided with a lamp 29 and a reflector 301 supporting the lamp 29. The reflector 301 is formed into a bowl shape opening the front end, and plating is performed at least on the front face side. It is fitted to the back face of a wind screen 241 so that the light from the lamp 29 and the reflecting light are directly transmitted through the wind screen 241 to irradiate forward. Hereby, because the wind screen 241 is arranged in front of the lamp 29 and the reflector 301 without interposing a lens, running resistance is not increased and the headlight 281 is improved in cooling performance to increase the life.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lamp having a light-transmitting windscreen disposed in front of a driver sitting on a seat, and a reflector for reflecting light from the lamp toward the front. The present invention relates to an improvement in a mounting structure of a lighting device in a small vehicle in which the lighting device is provided behind the windscreen.

[0002]

2. Description of the Related Art Conventionally, such a small vehicle is already known, for example, from Japanese Patent No. 2611292.

[0003]

SUMMARY OF THE INVENTION In the above prior art,
A lighting device with a lens is arranged behind the windscreen, and light emitted forward from the lamp, as well as light emitted forward from a reflector that reflects light from the lamp, passes through the lens and the windscreen. Will be. With such a structure, it is necessary to remove the windscreen for cleaning when the lamp lens becomes dirty or cloudy. In order to prevent the lens from fogging, it is necessary to provide an air flow hole for letting the running wind flow through the windscreen in order to prevent the running wind from hitting the lens. Will be invited. In order to prevent the life of the lighting device from being shortened due to the high heat,
As described above, it is necessary to apply a traveling wind to the lens or use an expensive lens having high heat resistance.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and provides a mounting structure for a lighting device in a small vehicle that can improve the life of the lighting device at low cost while avoiding an increase in running resistance. The purpose is to provide.

[0005]

According to a first aspect of the present invention, a windscreen having a light-transmitting property is disposed in front of a driver sitting on a seat. Lighting device comprising a reflector that reflects light from the lamp toward the front, and in a small vehicle that is disposed behind the windscreen, the reflector is such that light reflected by the reflector directly passes through the windscreen. It can be illuminated forward and is attached to the back of the windscreen.

According to such a configuration, the windscreen is disposed in front of the lamp and the reflector without passing through a conventional lens, and cleaning for removing dirt and fogging is performed by the windscreen. May be applied directly to the wind screen without removing the windscreen. In addition, since the traveling wind hits the wind screen, it is not necessary to provide an air circulation hole in the wind screen, so that it is possible to avoid an increase in traveling resistance and to improve the cooling performance of the lighting device to increase the life. It is possible,
In addition, since a lens is not required, the number of parts can be reduced and the cost can be reduced.

[0007] The invention according to claim 2 provides the above-described claim 1.
In addition to the configuration of the invention described, the upper and lower portions of the reflector are directly attached to the back surface of the windscreen so as to enable the attitude of the reflector to be adjusted. It is possible to further reduce the cost by reducing the number of parts to be mounted on the back surface, and furthermore, only the weight of the reflector and the lamp acts on the mounting portion of the reflector to the wind screen, and the mounting portion has Such a load is reduced.

According to a third aspect of the present invention, in addition to the configuration of the first aspect of the present invention, the reflector is supported by the housing so as to be able to adjust its attitude in a housing directly mounted on the back surface of the windscreen. According to such a configuration, the reflector can be downsized, and the plating work performed on the reflector can be reduced. In addition, the posture of the reflector can be adjusted within the housing, the load acting on the mounting portion of the housing to the windscreen is reduced, and the heat resistance of the housing is improved by shielding the heat with the reflector.

According to a fourth aspect of the present invention, in addition to the configuration of the first aspect of the present invention, a light-shielding portion for blocking transmission of light in the windscreen is provided at a portion located above the reflector. According to this configuration, the light is prevented from spreading in the wind screen above the reflector, and the driver is dazzled due to the wind screen shining in front of the driver. Can be prevented.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described based on embodiments of the present invention shown in the accompanying drawings.

1 to 3 show a first embodiment of the present invention. FIG. 1 is a side view of a motorcycle, FIG. 2 is an enlarged view of a main part of FIG. 1, and FIG. 3 is a front view of a wind screen. It is a longitudinal cross-sectional view which shows the mounting structure of an illuminator.

First, in FIG. 1, a front fork 7 for pivotally supporting a front wheel WF is pivotably supported on a head pipe 6 provided at a front end of a body frame 5 of a motorcycle as a small vehicle. A bar-shaped steering handle 8 is connected to an upper end of the front fork 7, and a front fender 9 that covers an upper part of the front wheel WF is supported by the front fork 7. A rear fork 10 for pivotally supporting the rear wheel WR is pivotally supported at an intermediate portion of the body frame 5, and a rear cushion 11 is provided between the rear portion of the body frame 5 and the rear fork 10.

A power unit P composed of a water-cooled engine E and a transmission M is supported at an intermediate portion of the body frame 5, and the output of the transmission M is transmitted to the rear wheels WR via a chain (not shown). , The chain is covered with a chain cover 12.

An air cleaner 13 and a radiator 14 disposed above the engine E are
A fuel tank 15 disposed above the transmission M and a storage box 16 disposed above the fuel tank 15 so that electrical components can be stored are supported by the body frame 5.

An exhaust pipe 17 for guiding exhaust gas from the engine E is connected to an exhaust muffler 18 disposed between the power unit P and the rear wheels WR.

A saddle 12 is mounted on the upper surface of the rear frame 6.
The fuel tank 13 is stored and held therein.

The front portion of the body frame 5, the engine E,
The air cleaner 13 and the radiator 14 are covered with a leg shield 20 made of a synthetic resin attached to the vehicle body frame 5. Also, the rear of the body frame 5, the fuel tank 15
The storage box 16 is covered with a synthetic resin rear cover 21 attached to the vehicle body frame 5, and a rear fender 22 that covers an upper rear portion of the rear wheel WR is connected to the rear cover 21. A seat 23 is provided on the rear cover 21 so that the upper end opening of the storage box 16 can be opened and closed, and a driver can sit on the seat 23.

[0018] Referring also to FIG. 2, in front of the driver that Zajo the sheet 23, the windscreen 24 ₁ to protect the driver from wind and rain and the like are disposed. The windscreen 24 ₁ is made of, for example, polycarbonate, and has a light-transmitting property.

The base end of a pair of left and right stays 25... Extending upward in a rod shape is attached to the rod-like steering handle 8. At the upper ends of these stays 25, mounting plates 25 a are provided. . On the other hand, the lower ends of the shaft portions 27 extending downward from the left and right mirrors 26 are attached to the mounting plate 25.
are provided, corresponding to each other, and the windscreens 2 are provided between the mounting plates 25a, 27a so as to correspond to each other.
4 are fastened ₁ across the. Thereby, the left and right mirrors 2
With 6 ... is attached to the steering handle 8, the windscreen 24 ₁ is attached to the steering handle 8.

[0020] Still referring also to FIG. 3, the headlamp 28 ₁ a lighting apparatus, which includes a lamp 29, a reflector 30 ₁ which supports the lamp 29, reflector 30 _1, the the light from the lamp 29 so as to reflect toward the front is formed in a bowl shape having an open front end, it is plated on at least the front side of the reflector 30 _1.

[0021] Moreover reflector 30 ₁ as possible to light and light reflected by the reflector 30 ₁ from the lamp 29 is radiated forward through the windscreen 24 ₁ directly attached to the back of the windscreen 24 ₁ Can be In this case, when the reflector 30 ₁ is of the multi-reflector type, it is not necessary to form the lens cut portions corresponding to the headlamp 28 ₁ of the windscreen 24 _1, corresponding to the headlamp 28 ₁ portion may be formed a lens cut to the windscreen 24 ₁ in the formation of them if the lens cut windscreen 24 ₁ to injection molding is easy.

[0022] On the back of the windscreen 24 _1, and the support arm 31 extending rearward is provided integrally so as to be disposed above the reflector 30 _1, the rear end upper portion of the support arm 31 engaged A dovetail 32 is protruded. On the other hand, the upper portion of the reflector 30 _1, the engagement claw 32 upper mounting arm 33 having an engaging hole 34 for engaging is provided integrally with the reflector 30 ₁ in the upper, the width direction of the motorcycle Can be rotated about the axis (the axis perpendicular to the plane of FIG. 3) along the windscreen 24 _1.
Is engaged and supported.

Further to the windscreen 24 ₁ at a portion located below the reflector 30 ₁ is longer elongated hole 35 is provided in the longitudinal direction of the motorcycle. On the other hand, reflector 3
The 0 ₁ of the lower and lower mounting arm 36 is integrally provided with a nut 37 is fixed to the distal end of the lower mounting arm 36. In the long hole 35 is inserted through the screw member 38 is engageable with the enlarged diameter head portion 38a to the windscreen 24 ₁ of the outer surface, by tightening the screw member 38 screwed into the nut 37, the reflector 30 ₁ posture i.e. the irradiation direction in the vertical direction of the headlamp 28 ₁ will be determined. The insertion position of Thus to the long hole 35 of the screw member 38, by adjusting the longitudinal direction of the elongated hole 35, the reflector 30 _1, the engagement of the windscreen 24 ₁ on its top, a support point rotates as a fulcrum, thereby making it possible to adjust the irradiation direction of the vertical direction of the orientation of the reflector 30 ₁ that headlamp 28 _1.

[0024] the front end of the reflector 30 _1, regardless of the change in the posture of the reflector 30 _1, the sealing member 39 is mounted so as to be always brought into contact with the rear surface of the windscreen 24 _1.

The windscreen 24 ₁ is provided with a slit 40 long in the width direction of the motorcycle above the reflector 30 ₁ , and a rubber light blocking member 41 is fitted into the slit 40 from the rear side. by, so that the light shielding portion 42 is provided on the wind screen 24 _1. That light shielding portion 24 for shielding transmission of light at the windscreen 24 within ₁ is provided on the wind screen 24 ₁ at a portion located above the reflector 30 _1.

By the way to the left and right of the headlight 28 _1, which blinker 45 ... which is another supplementary lights are arranged, these blinker 45 ... reflector 46 ... is the back of the windscreen 24 ₁ Mounted directly. This makes it possible to light and light reflected by the reflector 46 ... from the blinker 45 ... lamp (not shown) is irradiated forward through the windscreen 24 ₁ directly, even in this case, wind screen A lens cut may or may not be formed at a portion corresponding to the turn signals 45 of 24 ₁ .

Next, the operation of the first embodiment will be described. The reflectors 30 ₁ , 46... Of the headlights 28 ₁ and the turn signals 45 are used to generate light from the lamp 29 and light reflected by the reflectors 30 ₁ , 46. It is mounted on the back of the windscreen 24 ₁ so that it can be directly transmitted through the windscreen 24 ₁ and illuminated forward, so that a conventional lens is provided in front of the lamp 29 and the reflectors 30 ₁ , 46. The windscreen 24 ₁ is arranged without any change. Therefore, cleaning to remove dirt and fogging should be performed with windscreen 2
4 ₁ may be Hodokose directly to the windscreen 24 ₁ without removing, and because the traveling wind hits the wind screen 24 _1, to avoid an increase in the running resistance as unnecessary to the windscreen 24 ₁ providing an air flow hole Headlamp 28 ₁ and turn signal 4
5 can be improved to extend the life. The windscreen 24 _1, since it is made of polycarbonate, which is a conventional same material as each lighting apparatus lens provided is not the heat resistance of the windscreen 24 ₁ becomes a problem, to eliminate the need for lens Thus, the number of parts and cost can be reduced.

[0028] Moreover the upper and lower reflectors 30 _1, since the mounted directly on the back of the windscreen 24 ₁ as possible the attitude adjustment of the reflector 30 _1, mounting the reflector 30 ₁ in the rear of the windscreen 24 ₁ by reducing the number of parts for more it is possible to achieve further the Kosudaun, the mounting portion of the windscreen 24 ₁ of the reflector 30 _1, only the weight of the reflector 24 ₁ and the lamp 29 acts, the The load on the mounting portion is reduced.

By the way, there is a motorcycle lighting apparatus is disposed below the windscreen when compared to such, the reflector 24 ₁ Windscreen 2
By directly mounting is structured to 4 ₁ of the back,
A structure for preventing the invasion of wind and rain is unnecessary, and the appearance is excellent.

Further light shielding portion 42 for shielding transmission of light at the windscreen 24 within _1, since than the reflector 30 ₁ is provided on the windscreen 24 ₁ at a portion located above the upper side of the reflector 30 ₁ in the windscreen 24 ₁ that light spreads is prevented. Therefore it is possible to prevent the driver due to the wind screen 24 ₁ shines in front of the driver is dazzled.

[0031] FIG. 4 shows a second embodiment of the present invention, the headlamp 28 ₂ includes a lamp 29, formed by the lamp so as to reflect towards the light from the lamp 29 to the front is intended and a reflector 30 ₂ bowl-shaped supporting 29, reflector 30 _2, the light and light reflected by the reflector 30 ₂ from the lamp 29 is radiated forward through the windscreen 24 ₂ directly as allows, it is attached to the back of the windscreen 24 _2.

_On the back of the windscreen 242, a support tube 48 is integrally provided so as to protrude therefrom.
4 the front end of the reflector 30 ₂ fitted with a seal member 39 to the front end in contact with the back of ₂ is inserted into the support cylinder 48.
Moreover inserted reflector 30 ₂ of the front upper to the support cylinder 48 is rotatably supported to the support cylinder 48 via a support shaft 49 having an axis along the width direction of the motorcycle.

The lower part of the support cylinder 48 is provided with a motorcycle.
The slit 50 that extends long in the front-rear direction and opens to the rear
A reflector provided and inserted into the support tube 48
30 _TwoA nut 51 is fixedly provided at a lower portion of the front end. The above
The lit 50 has an enlarged diameter head 52a outside the lower portion of the support tube 48.
A screw member 52 capable of engaging with the surface is inserted therethrough.
By screwing 52 to the nut 51 and tightening it,
Reflector 30_TwoPosture, headlight 28_TwoUp and down
The direction of irradiation is determined. Furthermore, screw member 5
Windscreen 24 below 2_TwoHas an operation hole 53
The screw member 52 is inserted into the slit 50.
By operating and adjusting the position from the operation hole 53, the lift
Lector 30_TwoIs rotated about the axis of the support shaft 49,
The reflector 30_TwoPosture, headlight 28_Two
The irradiation direction in the vertical direction can be adjusted.

According to the second embodiment, the same effects as in the first embodiment can be obtained.

[0035] FIG. 5 shows a third embodiment of the present invention, the headlamp 28 ₃ includes a bowl-shaped housing 55 having an open front end, a lamp 29 which is supported by the housing 55,
Bowl-shaped reflector 3 formed to reflect light from lamp 29 toward the front and supported by housing 55
0 ₃ and is intended to include a housing 55, as allowing it to be emitted forward light reflected by the light and the reflector 30 ₃ from the lamp 29 is transmitted through the windscreen 24 ₃ directly windscreen 24 ₃ Mounted on the back.

[0036] The rear of the windscreen 24 _3, a plurality of support projections 56, 56 ... are protruded integrally, the seal member 3 which contacts the back of the windscreen 24 ₃
9 is mounted on the front end of the housing 55.
Are fastened to the support projections 56, 56,.

The front upper portion of the reflector 30 ₂ accommodated in the housing 55 within is rotatably supported to the housing 55 via a support shaft 58 having an axis along the width direction of the motorcycle. Also in the lower part of the housing 55, and the long hole 59 is provided to extend long in the longitudinal direction of the motorcycle, the front end lower portion of the reflector 30 ₃ nut 60 is fixed. In the elongated hole 59, the enlarged diameter head 61a is attached to the housing 5.
Screw member 61 which can engage the bottom outer surface of 5 is inserted, by tightening the screw member 61 screwed into the nut 60, the reflector 30 ₃ posture i.e. the headlamp 28
The irradiation direction in the vertical direction of ₃ will be determined, and by adjusting the insertion position of the screw member 61 into the long hole 59,
Reflector 30 _3, rotates about the axis of the support shaft 58,
Thereby, the reflector 30 ₃ posture i.e. the headlamp 2
It is possible to adjust the irradiation direction at 80 ₃ in the vertical direction.

According to the third embodiment, the reflector 30
₃ is the windscreen 24 ₃ via the housing 55.
However, the light reflected by the light and the reflector 30 ₃ from the lamp 29 is radiated forward through the windscreen 24 ₃ directly, similar to those of the aforementioned first and second embodiments is the Attached to the rear Yes, first and second
The same effects as the embodiment can be obtained.

Further, in the third embodiment, the reflector 30 ₃
The it is possible to miniaturize, it is possible to reduce the plating operation to be performed on the reflector 30 _3. Moreover it is possible to position adjustment of the reflector 30 ₃ in the housing 55, the windscreen 24 ₃ of the housing 55
Load acting on the attachment to is reduced, thereby improving heat resistance of the housing 55 by being heated shielding by the reflector 30 _3.

In each of the above embodiments, the windscreen 2
4 _{1-24 3} but the relative orientation of the vertical direction of the reflector 301 _{to 303} and adjustable with respect to, when the windscreen is of decorative no wind function, vertical windscreen itself The reflector may be mounted directly on the back of the windscreen with the relative attitude unchanged, so that no component is needed to adjust the reflector's attitude with respect to the windscreen, and the number of components is reduced. Can be further reduced.

Although the embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various design changes can be made without departing from the present invention described in the appended claims. It is possible to do.

For example, the present invention is applicable not only to motorcycles but also to motorcycles and the like. Further in the above embodiments, the light reflector 30 ₁ to 30 from the lamp 29
While being reflected by _3, the headlamp 28 _{1-28 3} so as to irradiate directly in front was composed, but the present invention is,
Only light reflected from the reflector 301 _{to 303} by placing the cover in front of the lamp 29 is also applicable to lighting apparatus structure to be irradiated forward through the windscreen 24 _{1-24 3.}

[0043]

As described above, according to the first aspect of the present invention, the windscreen is arranged in front of the lamp and the reflector without passing through a conventional lens, thereby increasing the running resistance. In addition to avoiding the problem, it is possible to improve the cooling performance of the lighting device to increase the life, and to eliminate the need for a lens, thereby reducing the number of parts and reducing the cost.

According to the second aspect of the present invention, the number of components for mounting the reflector on the rear surface of the windscreen can be reduced to further reduce the cost, and the reflector can be mounted on the windscreen. The load is also reduced.

According to the third aspect of the present invention, it is possible to reduce the size of the reflector and to reduce the plating work performed on the reflector. In addition, the load acting on the mounting portion of the housing to the windscreen is reduced, and the heat resistance of the housing is improved.

According to the fourth aspect of the present invention, the light is prevented from spreading in the windscreen above the reflector, and the driver is dazzled by the windscreen shining in front of the driver. Can be prevented.

[Brief description of the drawings]

FIG. 1 is a side view of a motorcycle according to a first embodiment.

FIG. 2 is an enlarged view of a main part of FIG.

FIG. 3 is a longitudinal sectional view showing a structure for mounting a headlight on a wind screen.

FIG. 4 is a sectional view corresponding to FIG. 3 of a second embodiment.

FIG. 5 is a sectional view of a third embodiment corresponding to FIG.

[Explanation of symbols]

23 ... sheets 24 ₁ , 24 ₂ , 24 ₃ ... wind screen 29 ... lamps 28 ₁ , 28 ₂ , 28 ₃ ... headlights 30 ₁ , 30 ₂ , 30 ₃ as lamps 46 ... Reflector 42 ... Shading part 45 ... Blinker as lighting device

[Procedure amendment]

[Submission date] March 31, 2000 (200.3.3.
1)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0016

[Correction method] Deleted ───────────────────────────────────────────── ────────

[Procedure amendment]

[Submission date] March 31, 2000 (200.3.3.
1)

[Procedure amendment 2]

[Document name to be amended] Drawing

[Correction target item name] Fig. 1

[Correction method] Change

[Correction contents]

FIG.

Claims (4)

[Claims] 1. In front of a driver sitting on a seat (23)
On the other hand, a light-transmitting windscreen (24₁, 2
4_Two, 24_Three) Is arranged, the lamp (29) and the run
Reflector that reflects the light from the lamp (29) forward
(30₁, 30_Two, 30_Three, 46)
(28₁, 28_Two, 28_Three, 45) is the winds
Clean (24₁~ 24_Three) Small car located behind
In both cases, the reflector (30₁~ 30_Three, 46)
Is the reflector (30₁~ 30 _Three, 46)
The light is transmitted through the windscreen (24₁~ 24_Three) Directly
It is possible to irradiate the light forward and
Screen (24₁~ 24_Three) Mounted on the back
Lighting fixture mounting structure for small vehicles
Build. Wherein said reflector upper and lower (30 _1, 30 ₂₎ comprises windscreen (24 ₁ as possible the attitude adjustment of the reflector (30 _1, 30 _2),
Lighting apparatus mounting structure in a small vehicle according to claim 1, characterized in that mounted directly to the back of 24 _2). 3. A reflector (30 ₃ ) supported by the housing (55) for enabling attitude adjustment, and a lamp (1) in a housing (55) directly attached to the back of the wind screen (24 ₃ ). 29. The lighting fixture mounting structure for a small vehicle according to claim 1, wherein 4. A windscreen (24 _{1-24 3)}
Shielding portion for shielding a transmission of light at the inner is (42), characterized in that provided in the in the portion located above said reflector (301 _{to 303)} windscreen (24 _{1-24 3)} The lighting device mounting structure for a small vehicle according to claim 1.