CN102192461A - Headlamp device - Google Patents

Abstract

In the headlight device of the present invention, a single light source can be used, and it can also be made to look as if there are a plurality of light sources in each area on the left and right. The headlight device (10) has a light source (94), a first reflection member (98) for reflecting light irradiated from the light source (94), and a lens (90) arranged in front of the light source (94) to A light-shielding part (96) configured to cover the light source (94) during observation, and a second reflection member (95) used to reflect light emitted from the light source (94) toward the first reflection member (98) side; The reflector (98) is provided with a first reflector (100) and a second reflector (102), the first reflector (100) is configured to reflect the direct light from the light source (94), and the second reflector (102) is configured to reflect reflected light from the light source (94) of the second reflection member (95).

Description

headlight unit

technical field

The present invention relates to a headlamp device mounted on a vehicle.

Background technique

In a motorcycle, a headlight device is provided on the front of the vehicle, such as in front of the handlebar. Regarding such a headlight device, a structure employing a plurality of headlight bulbs (hereinafter referred to as bulbs) is known. In this headlamp device, two lamp bodies including a reflector and a lens are arranged side by side in the vehicle width direction, and bulbs are attached to approximately the centers of the respective lamp bodies.

As for such a headlight device using a plurality of bulbs, in the following patent document 1, such a headlight device is disclosed, which has a single bulb, a light-shielding wall is provided at the front position of the bulb, and Reflecting members are provided on the left and right, and a single light bulb is used, so that it looks as if there are two light bulbs on the left and right.

Patent Document 1: Japanese Patent Laid-Open No. 2008-91178

Contents of the invention

However, in the headlamp device described in Patent Document 1, it is not possible to make it look as if there are a plurality of bulbs in each of the left and right regions.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a headlight device that can make it look as if a plurality of light sources are provided in respective left and right regions even if a single light source is used.

In order to achieve the above object, the first aspect of the present invention is a headlight device, the headlight device has: a light source 94, a first reflection member 98 for reflecting light irradiated from the light source 94, and The front lens 90 of the light source 94 and the light shielding portion 96 configured to cover the light source 94 when viewed from the front are characterized in that the headlight device is provided with a light for emitting light from the light source 94. A second reflective part 95 that reflects toward the first reflective part 98; the first reflective part 98 is provided with a first reflective part 100 and a second reflective part 102, and the first reflective part 100 responds to The direct light from the light source 94 is configured to reflect, and the second reflector 102 is configured to reflect the reflected light from the light source 94 from the second reflective member 95 .

According to the first aspect of the present invention, part of the light emitted from the light source is directly reflected by the left and right first reflectors and irradiated toward the front of the vehicle, and the other part of the light emitted from the light source is followed by the second reflector and the left and right second reflectors. Therefore, it seems that there are light sources in the left and right first and second reflection parts respectively. Therefore, even if a single light source is used, it can appear as if there are a plurality of light sources on the left and right sides of the first reflection member, so that not only the appearance can be improved, but also the irradiation range can be enlarged.

A second aspect of the present invention is characterized in that, in the headlamp device of the first aspect, the reflection surface of the second reflection member 95 is formed in a concave shape on the inside in the left-right direction.

According to the invention according to the second aspect of the present invention, the light from the light source can be efficiently condensed and reflected toward the second reflector, so the second reflector can be miniaturized and narrowed, and as a result, the front light can be realized. Miniaturization and narrowing of the lamp unit.

A third aspect of the present invention is characterized in that, in the headlamp device according to the first or second aspect, at least a part of the second reflection member 95 is covered by the light shielding portion 96 when viewed from the front.

According to the invention according to the third aspect of the present invention, since at least a part of the second reflection member is hidden by the light shielding portion, the appearance can be improved.

In the invention according to a fourth aspect, in the headlamp device according to any one of the first to third aspects, the second reflecting member 95 is arranged between the light source 94 and the light shielding portion 96 .

According to the invention according to claim 4, the appearance can be further improved.

The invention according to claim 5 is characterized in that, in the headlamp device according to any one of claims 1 to 4, the second reflector 102 is arranged above the first reflector 100 . side.

According to the invention according to claim 5, it is possible to make it appear that the light sources are arranged in two layers above and below, and it is possible to improve the light distribution characteristics by expanding the irradiation range.

The invention according to claim 6 is characterized in that, in the headlamp device according to any one of claims 1 to 5, an upper portion of the first reflector 100 extends forward, and the second reflector 100 extends forward. The lower end portion 95a of the first reflecting portion 100 is close to the upper end portion 100a of the first reflecting portion 100 .

According to the sixth aspect of the invention, the light reflected by the first reflector is less likely to mix with the light reflected by the second reflector by bringing the upper end of the first reflector close to the lower end of the second reflector. Therefore, the first reflective portion and the second reflective portion can be clearly recognized.

The invention according to claim 7 is characterized in that, in the headlamp device according to any one of claims 1 to 6, the area of the second reflector 102 is smaller than the area of the first reflector 100 . .

According to the invention according to claim 7, not only can the irradiated area of the first reflector as the main reflector be made to look large, but also it is not necessary to make the headlight device too large.

The invention according to claim 8 is characterized in that, in the headlamp devices described in claims 1 to 7, the second reflector 102 is provided on the outer side in the width direction than the first reflector 100 .

According to the invention according to claim 8, the positional displacement in the width direction of the first reflector and the second reflector not only improves the appearance, but also expands the irradiation range in the left-right direction.

According to the headlamp device according to the present invention, a single light source can appear as if there are a plurality of light sources in respective left and right regions.

Description of drawings

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

2A is a partially omitted front view showing a handle cover of the motorcycle and its surrounding parts, and FIG. 2B is a partially omitted side view showing the handle cover of the motorcycle and its surrounding parts.

Fig. 3A is a rear view showing a combination tail light of a motorcycle, and Fig. 3B is a side view showing the combination tail light.

4 is a partially omitted front view of the headlight device according to the embodiment of the present invention.

5A is a partially omitted perspective view of a headlight device according to an embodiment of the present invention, and FIG. 5B is a perspective view of a second reflection member.

Fig. 6 is a sectional view taken along line VI-VI in Fig. 4 .

Fig. 7 is a sectional view taken along line VII-VII in Fig. 4 .

Detailed ways

Hereinafter, preferred embodiments of the headlamp device according to the present invention will be described with reference to the drawings.

FIG. 1 is a side view of a motorcycle 12 as a saddle-ride vehicle equipped with a headlight device 10 according to an embodiment of the present invention. In the following description, the left-right direction has the same meaning as the vehicle width direction of the motorcycle. In each figure, Fr indicates the front of the vehicle, Rr indicates the rear of the vehicle, L indicates the left, and R indicates the right.

A motorcycle related to a configuration example is configured as a medium-sized motorcycle. However, the present invention is not limited thereto, and can also be applied to other various motorcycles, such as small portable motorcycles, road-type (Onrod type) motorcycles, off-road (Ofrod type) motorcycles, etc. Two-wheeled vehicles, etc.

As shown in FIG. 1 , front wheels 14 of a motorcycle 12 are pivotally supported on the lower ends of a pair of left and right front forks 16 . The left and right front forks 16 are supported by a bridge member 18 at a position above the front wheel 14 . A steering shaft 20 connected and fixed to the center portion in the left-right direction of the bridge member 18 is pivotally supported on a head pipe 21 constituting the front end portion of the body frame 13 , and a handle for steering the direction of the front wheels 14 is attached to the upper portion of the steering shaft 20 . twenty two.

The handle 22 is covered by a handle cover 24 . FIG. 2A is a partially omitted front view showing the handle cover 24 and its surrounding parts, and FIG. 2B is a partially omitted side view showing the handle cover 24 and its surrounding parts.

2A and 2B, the handle cover 24 is composed of a top cover 26, a front cover 28 and a rear cover 30, and is substantially T-shaped as a whole when viewed from the front. Its left and right ends protrude. The top cover 26 extends obliquely downward toward the front, and is formed in a tapered shape (an inverted triangle viewed from the front) toward the front.

On the front upper edge of the front cover 28 , two first notch portions 34 are provided at intervals in the left-right direction in the vicinity of the central portion in the left-right direction. The first cutout portion 34 and the top cover 26 constitute two hole portions 36 . A horn (siren device) 38 is arranged at a position behind the hole portion 36 inside the front cover 28 . The horn 38 is fixed on the handlebar 42 through a bracket 40 . Only one first notch 34 may be provided at the central portion in the vehicle width direction of the front upper edge portion of the front cover 28 .

In addition, two second cutouts 44 are provided on the outside of the first cutout 34 in the left-right direction on the front upper edge of the front cover 28 . Two hole portions 46 extending obliquely upward toward the outside in the left-right direction are formed by the second notch portion 44 and the top cover 26 . A pair of left and right position marker lamps 48 are attached to the inner side of the front cover 28 so as to be exposed from the respective hole portions 46 .

In the configuration shown in FIGS. 2A and 2B , position indicator lights 48 are arranged on the left and right sides of the handle cover 24 , and the horn 38 is arranged between the position indicator lights 48 . Furthermore, the horn 38 is disposed on the inner side of the hole 36 formed by the front cover 28 and the top cover 26 . Therefore, the left and right position lamps 48 and horn 38 can be efficiently arranged in the limited space inside the handle cover 24 , and not only the sound pressure of the horn 38 but also the visibility of the position lamp 48 can be ensured.

As shown in FIG. 1 , the body frame 13 constituting the backbone of the motorcycle 12 has a pair of left and right main frames 52 that extend obliquely downward from the head pipe 21 toward the rear of the vehicle. The seat frame 54 that extends squarely, and the pivot frame 56 that links to each other with the rear end portion of main frame 52.

An engine 58 for rotating the rear wheels 72 is mounted below the main frame 52 . The engine 58 according to one configuration example is integrally provided with the transmission 60 , is fixed to the main frame 52 and the pivot frame 56 , and is arranged so as to be long in front and rear and substantially horizontal. An exhaust device 64 having a muffler 64 a is connected to a cylinder head 62 provided on the engine 58 .

The front end portion of the swing arm 66 is swingably supported by the pivot frame 56 , and the main bracket 68 is attached to the pivot frame 56 . The swing arm 66 pivotally supports the rear wheel 72 and enables the rear wheel 72 to rotate. The driving force of the engine 58 is transmitted to the rear wheel 72 through the chain 70, thereby driving the rear wheel 72 to rotate. The lower end of the rear suspension 74 is connected to the rear end of the swing arm 66 . The upper end portion of the rear suspension device 74 is connected to the seat frame 54 . A rear fender 73 is arranged above the rear wheel 72 .

A vehicle body cover 77 and a fuel tank (not shown) are attached to the seat frame 54 . A passenger seat 75 is attached to a vehicle body cover 77 . The fuel tank is covered by a vehicle body cover 77 under the passenger seat 75 . A combined tail light 76 serving as a tail light (license plate light), a brake light, and a rear blinker is arranged at the rear end portion of the vehicle body cover 77 .

FIG. 3A is a rear view of the combination tail light 76 , and FIG. 3B is a side view of the combination tail light 76 . As shown in FIGS. 3A and 3B , the combination tail lamp 76 has a tail lamp portion 78 , a stop lamp portion 80 , and a rear blinker portion 82 . Furthermore, the combination tail lamp 76 has a transparent lens 84 covering the whole.

The tail lamp portion 78 is arranged at the center in the left-right direction (vehicle width direction) of the rear portion of the combination tail lamp 76 . A reflector 79 is provided below the tail light portion 78 . The stop lamp unit 80 is located above the tail lamp unit 78 , extends from the rear of the combination tail lamp 76 toward the left and right outer sides, and extends forward along the upper parts of the left and right sides. Portions of the lens 84 corresponding to the tail light portion 78 , the reflector 79 , and the stop light portion 80 are red lenses. The dotted hatching represents the range of the red lens. The red lens looks like an upward pointing arrow in rear view.

The rear blinker unit 82 is arranged on the left and right sides of the tail light unit 78 slightly forward of the tail light unit 78 and below the stop lamp unit 80 . The portion of the lens 84 corresponding to the rear blinker portion 82 is formed as an orange lens convex obliquely downward on the left and right outer sides. In the combined tail lamp 76 configured as described above, the stop lamp unit 80 is arranged on the upper stage and the rear blinker unit 82 is arranged on the lower stage, so that the visibility of the red lamp and the orange lamp can be improved.

At the front of the motorcycle 12 , a front fender 86 , a front cover 88 , and a headlight device 10 are arranged between the handle 22 and the front wheel 14 . The front fender 86 is used to block the mud and stones that the front wheel 14 bounces, and is installed at the position above the front wheel 14 on the front fork 16 . The front cover 88 is disposed above the front fork 16 , covers the head pipe 21 , and extends downward behind the front fender 86 to the vicinity of the lower end of the front fender 86 .

The headlight device 10 is disposed on the front surface of the front cover 88 and is inclined toward the rear of the vehicle from above the upper end portion of the front fender 86 as viewed from the side of the vehicle. 4 is a partially omitted front view of the headlamp device 10 according to the present embodiment, FIG. 5A is a partially omitted perspective view of the headlamp device 10 , and FIG. 5B is a perspective view of a second reflection member constituting a part of the headlamp device 10 . , Fig. 6 is a VI-VI line sectional view in Fig. 4, and Fig. 7 is a VII-VII line sectional view in Fig. 4 .

As shown in FIGS. 4 to 7 , the headlight device 10 has a lens 90 constituting the front surface, a headlight body 92 including a first reflection member 98 , and a headlight bulb attached to the headlight body 92 as a light source. 94 (hereinafter referred to as a bulb), a second reflection member 95 attached to the headlight main body 92 , and a shade 96 attached to the headlight main body 92 . For ease of understanding, in FIGS. 4 and 5A , illustration of the right half of the lens 90 is omitted.

The lens 90 is made of transparent synthetic resin and covers the front surface of the headlamp main body 92 . Specifically, the lens 90 covers the first reflection member 98 and the blinker reflection member 107 as a whole. The light emitted from the bulb 94 passes through the lens 90 and illuminates the front of the motorcycle 12 . That is, as shown in FIGS. 6 and 7 , the lens 90 is arranged in front of the light bulb 94 in a state mounted on the motorcycle 12 .

The headlight main body 92 has a first reflection member 98 that reflects direct light and reflected light emitted from the bulb 94 . The first reflection member 98 has left and right first reflection portions 100 that directly reflect light radiated from the bulb 94 , and left and right second reflection portions 102 that reflect reflected light of the light radiated from the bulb 94 .

The left and right first reflectors 100 are provided near the center in the left-right direction on the lower side of the headlight main body 92 . The light bulb 94 is arranged between the left and right first reflectors 100 . The reflective surface of the first reflector 100 is formed in a curved shape that moves forward as it goes outward in the left-right direction, and as shown in FIG. The upper part of the first reflection part 100 protrudes forward. Part of the light emitted from the bulb 94 (indicated by B1 in FIG. 5A ) is directly reflected by the first reflector 100 , and the reflected light passes through the lens 90 and is irradiated toward the front of the vehicle.

The second reflector 102 is configured to reflect the reflected light from the bulb 94 of the second reflector 95 . As shown in FIG. 4 and FIG. 5 , the second reflector 102 in one example is arranged above the first reflector 100 and at a position outside the first reflector 100 in the left-right direction, and the reflective surface on the outside in the left-right direction extends forward. . The area of the second reflective portion 102 is smaller than that of the first reflective portion 100 . Furthermore, as shown in FIGS. 4 and 5A , a wall portion 103 is provided between the first reflection portion 100 and the second reflection portion 102 , and the first reflection portion 100 and the second reflection portion 102 are separated by the wall portion 103 . In FIG. 5A , dotted hatching is given to the portion of the wall portion 103 for easy understanding.

In the headlamp main body 92 , a pair of left and right front blinker portions 104 are provided on the left-right outer side of the second reflector 102 and slightly behind the second reflector 102 . Each front blinker unit 104 is composed of a blinker bulb 106 for turning on when changing the direction of travel, etc., and a blinker reflector 107 provided around the blinker bulb 106 .

The second reflection member 95 is for reflecting the light radiated from the bulb 94 toward the left and right second reflection parts 102 and is attached to the headlight main body 92 . In one example, the second reflection member 95 is a member extending in the left and right directions, and is arranged above and slightly in front of the bulb 94, and has a second reflection part 102 for reflecting light emitted from the bulb 94 to the left and right. The left and right reflective surfaces 95a (see FIG. 5B and FIG. 7 ). The left and right reflective surfaces 95a are line-symmetrical to a vertical line passing through the center in the vehicle width direction, and are formed in a curved shape that is concave inward in the left-right direction and concave upward.

As shown in FIG. 7 , the lower end portion 95 b of the second reflection member 95 is close to the upper end 100 a of the first reflection portion 100 . The distance L between the lower end portion 95b of the second reflector 95 and the upper end 100a of the first reflector 100 is preferably set so as to sufficiently reflect the light radiated from the bulb 94 toward the second reflector 102 side, and, The light reflected by the first reflective part 100 and the light reflected by the second reflective part 102 should not be mixed as much as possible.

The second reflector 102 and the second reflector 95 are configured as described above, therefore, part of the light emitted from the bulb 94 (shown by B2 in FIG. In the illustrated example, the reflected light is reflected toward the outside in the left-right direction), the reflected light is reflected again by each second reflecting portion 102 , and the reflected light passes through the lens 90 and is irradiated toward the front of the vehicle.

The light shielding portion 96 is configured to cover the bulb 94 when viewed from the front. Specifically, the light shielding portion 96 is arranged between the lens 90 and the first reflection member 98 at the front position of the bulb 94 , and is also arranged between the lens 90 and the bulb 94 . In the illustrated example, the light shielding portion 96 completely shields the bulb 94 when viewed from the front. Moreover, in this embodiment, the light shielding part 96 is arrange|positioned in front of the 2nd reflection member 95, and is comprised so that it may cover at least a part of the 2nd reflection member 95 in front view. The light shielding portion 96 is made of a heat-resistant member capable of withstanding the heat generated by the bulb 94, for example, PBT resin.

The light shielding portion 96 is arranged approximately at the center in the left-right direction of the front portion of the headlight body 92, and the upper end of the light shielding portion 96 reaches near the upper edge of the headlight body 92 (specifically, the upper portion of the second reflector 102) to shield light. The lower end of the portion 96 reaches the lower end of the headlamp main body 92 .

In addition, the width of the light shielding portion 96 increases toward the upper side. Specifically, the portion of the light shielding portion 96 having approximately the same height range as the first reflecting portion 100 has a sufficient width for visually shielding the light bulb 94 when viewed from the front, but is higher than the first reflecting portion 100. The range of , that is, the portion covering the range of the second reflection member 95 is formed to have a large width so that most of the second reflection member 95 can be covered.

The headlamp device 10 according to the present embodiment is basically configured as described above, and the functions and effects thereof will be described below.

According to the headlamp device 10 according to the present embodiment described above, part of the light emitted from the bulb 94 is directly reflected by the left and right first reflectors 100 to irradiate toward the front of the vehicle, and the other part of the light emitted from the bulb 94 is reflected by the second reflector. Since the component 95 and the left and right second reflectors 102 are sequentially reflected and irradiated toward the front of the vehicle, it can be seen that each of the left and right first reflectors 100 and second reflectors 102 has a light source. Therefore, with a single bulb 94, it can appear as if there are a plurality of light sources on the left and right sides of the first reflecting member 98, respectively, and not only the appearance can be improved but also the irradiation range can be widened.

In addition, according to the headlamp device 10 according to the present embodiment, the reflective surface 95a of the second reflective member 95 is formed in a concave shape on the inner side in the left-right direction, so that the light from the bulb 94 can be efficiently condensed and directed toward the second reflective portion. 102 reflexes. Therefore, the size and width of the second reflection member 95 can be reduced, and as a result, the size and width of the headlight device 10 can be reduced.

According to the headlamp device 10 according to the present embodiment, at least a part of the second reflection member 95 is visually covered by the shade 96 when viewed from the front, so that the appearance of the headlamp device 10 can be improved. Furthermore, since the second reflection member 95 is disposed between the bulb 94 and the shade 96 , the appearance of the headlight device 10 can be further improved.

Furthermore, according to the headlamp device 10 according to the present embodiment, the second reflector 102 is arranged on the upper side of the first reflector 100. Therefore, it can be seen that the light source is arranged on two layers above and below, and the irradiation range can be enlarged Improve light distribution characteristics.

Furthermore, according to the headlamp device 10 according to the present embodiment, by bringing the upper end 100a of the first reflector 98 close to the lower end 95b of the second reflector 95, it is difficult for the light reflected by the first reflector 100 to follow. The light reflected by the second reflection part 102 is mixed. Therefore, the first reflective portion 100 and the second reflective portion 102 can be clearly distinguished.

According to the headlamp device 10 according to the present embodiment, the area of the second reflector 102 is smaller than the area of the first reflector 100, so not only can the irradiated area of the first reflector 100 as the main reflector be seen Larger, and it is not necessary to make the headlight device 10 too large.

According to the headlamp device 10 according to the present embodiment, the second reflector 102 is provided outside the first reflector 100 in the width direction. The misalignment of the position can not only improve the appearance, but also expand the irradiation range in the left and right directions.

The arrangement and size of the first reflector 100 and the second reflector 102 in the above-mentioned embodiment are examples, and the first reflector may be changed according to the type of the motorcycle 12 and the shape of the headlight device 10. 100 and the configuration and size of the second reflector 102. For example, the second reflection part 102 may be arranged at a lower position than the first reflection part 100 , or the first reflection part 100 may be arranged at the same height as the second reflection part 102 . Furthermore, the first reflector 100 and the second reflector 102 may be arranged at the same position in the left-right direction, and the area of the first reflector 100 may be set to be the same as that of the second reflector 102 .

In the above-mentioned embodiment, the case where the front blinker unit 104 is provided in the headlight device 10 has been described, but the front winker unit 104 may be provided separately from the headlight device 10 . That is, the front blinker unit 104 may be provided at a location other than the front cover 88 where the headlight device 10 is provided, or the front blinker unit 104 may be provided at left and right locations of the handle cover 24 .

In the above-mentioned embodiment, the case where the headlight device 10 is installed on the front surface of the front cover 88 of the motorcycle 12 has been described, but the headlight device 10 may be installed on the front surface of the front cover 88 of the motorcycle 12 according to the type of the motorcycle 12. The front surface of the handle cover 24.

In the foregoing, preferred embodiments of the present invention have been listed and described, but the present invention is not limited to the above-mentioned embodiments, and needless to say, various changes can be made within the scope not departing from the gist of the present invention.

Explanation of reference signs

10 Headlight device 12 Motorized two-wheeled vehicle

90 lens 92 headlight main body

94 light bulbs (light source) 95 second reflection parts

96 Shading part 98 First reflection part

100 First reflection part 102 Second reflection part

Claims (8)

1. A headlamp device, said headlamp device having: a light source (94), a first reflective member (98) for reflecting light irradiated from said light source (94), and a first reflection member (98) disposed on said light source ( The front lens (90) of 94) and the light shielding part (96) constituted in a manner to cover the light source (94) when viewed from the front, are characterized in that: The headlight device is provided with a second reflection member (95) for reflecting light emitted from the light source (94) toward the side of the first reflection member (98); The first reflection part (98) is provided with a first reflection part (100) and a second reflection part (102), and the first reflection part (100) is used to reflect the direct light from the light source (94) The second reflecting part (102) is configured to reflect the reflected light from the light source (94) of the second reflecting member (95). 2. The headlamp device according to claim 1, wherein the reflective surface of the second reflective member (95) is formed in a concave shape on the inner side in the left-right direction. 3. The headlamp device according to claim 1 or 2, characterized in that at least a part of the second reflecting member (95) is covered by the light shielding portion (96) when viewed from the front. 4. The headlamp device according to any one of claims 1 to 3, characterized in that, the second reflection member (95) is disposed between the light source (94) and the light shielding portion (96) between. 5. The headlamp device according to any one of claims 1 to 4, characterized in that, the second reflector (102) is arranged on an upper side than the first reflector (100) . 6. The headlamp device according to any one of claims 1-5, characterized in that, the upper portion of the first reflecting part (100) extends forward, and the upper part of the second reflecting part (95) The lower end portion (95b) is close to the upper end (100a) of the first reflection portion (100). 7. The headlamp device according to any one of claims 1-6, characterized in that, the area of the second reflection part (102) is smaller than the area of the first reflection part (100). 8. The headlamp device according to any one of claims 1 to 7, characterized in that, the second reflection part (102) is arranged closer to the width direction than the first reflection part (100). outside.

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