JP5504016B2 - Headlight device - Google Patents

Description

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

  In vehicles such as motorcycles, a headlight device is provided at the front of the vehicle, such as in front of the steering wheel. With respect to such a headlight device, a structure using a plurality of headlight bulbs (hereinafter referred to as bulbs) is known. In the headlight device, two lamps including a reflector and a lens are arranged side by side in the vehicle width direction, and a bulb is attached to the approximate center of each lamp.

  In contrast to such a headlight device using a plurality of bulbs, Patent Document 1 below has a single bulb, a light blocking wall at the front of the bulb, and reflectors on the left and right of the bulb. Thus, there is disclosed a headlight device that uses a single bulb and makes it appear as if it has two bulbs on the left and right.

JP 2008-91178 A

  However, the headlight device described in Patent Document 1 cannot appear to have a plurality of bulbs in the left and right regions.

  The present invention has been made in view of the above circumstances, and provides a headlight device that makes it appear as if it has a plurality of light sources in the left and right regions while using a single light source. For the purpose.

In order to achieve the above object, the invention according to claim 1 includes a light source (94), a first reflector (98) that reflects light emitted from the light source (94), and a front side of the light source (94). In a headlight device having a lens (90) disposed on the light source and a light shielding part (96) configured to cover the light source (94) in a front view, light emitted from the light source (94) The first reflector (95) includes a second reflector (95) that reflects toward the first reflector (98), and the first reflector (98) includes a first reflector (100) and a second reflector (102). The reflection unit (100) is configured to reflect direct light from the light source (94), and the second reflection unit (102) reflects the light source (94) from the second reflector (95). It is configured to reflect light, right Resona On each side, a wall part (103) is provided between the first reflecting part (100) and the second reflecting part (102), and the first reflecting part (103) is provided by the wall part (103). 100) and the second reflection part (102) are partitioned .

  According to the first aspect of the present invention, a part of the light emitted from the light source is directly reflected by the left and right first reflectors and irradiated to the front of the vehicle, and the other part of the light emitted from the light source is Since the light is reflected in the order of the second reflector and the left and right second reflecting portions, the left and right first reflecting portions and the second reflecting portion are visually recognized as if there is a light source. For this reason, while using a single light source, it is possible to make it appear as if there are a plurality of light sources on each of the left and right sides of the first reflector, so that the appearance can be improved and the irradiation range can be expanded. it can.

  According to a second aspect of the present invention, in the headlight device according to the first aspect, the reflecting surface of the second reflector (95) is formed in a concave shape on the inner side in the left-right direction.

  According to the second aspect of the present invention, since the light from the light source is efficiently collected and reflected to the second reflecting portion, the second reflector can be reduced in size and width, and as a result, the head The light device can be reduced in size and width.

  The invention according to claim 3 is the headlight device according to claim 1 or 2, characterized in that at least a part of the second reflector (95) is covered with the light shielding portion (96) in a front view. To do.

  According to the invention which concerns on Claim 3, since at least one part of a 2nd reflector is hidden by the light-shielding part, an external appearance property can be improved.

  The invention according to claim 4 is the headlight device according to any one of claims 1 to 3, wherein the second reflector (95) is provided between the light source (94) and the light shielding portion (96). It is arranged in that.

  According to the invention which concerns on Claim 4, an external appearance property can be improved further.

  The invention according to claim 5 is the headlight device according to any one of claims 1 to 4, wherein the second reflecting portion (102) is disposed above the first reflecting portion (100). It is characterized by that.

  According to the invention which concerns on Claim 5, it can be made to visually recognize that the light source is arrange | positioned at 2 steps | paragraphs of upper and lower sides, and a light distribution characteristic can be improved by expanding an irradiation range.

According to a sixth aspect of the present invention, in the headlight device according to any one of the first to fifth aspects, an upper portion of the first reflecting portion (100) extends forward, and the second reflector (95 the lower end of the) (95 b) is proximate to the upper tip (100a) of the first reflecting portion (100), characterized in that.

  According to the invention which concerns on Claim 6, the light reflected by the 1st reflection part and the light reflected by the 2nd reflection part by making the upper end front-end | tip of a 1st reflector, and the lower end part of a 2nd reflector approach. Becomes difficult to mix. For this reason, a 1st reflection part and a 2nd reflection part can be clearly distinguished and made to visually recognize.

  The invention according to claim 7 is the headlight device according to any one of claims 1 to 6, wherein an area of the second reflecting portion (102) is larger than an area of the first reflecting portion (100). It is small.

  According to the seventh aspect of the present invention, it is possible to make the irradiation region of the main first reflecting portion large, and it is not necessary to enlarge the headlight device unnecessarily.

  According to an eighth aspect of the present invention, in the headlight device according to the first to seventh aspects, the second reflecting portion (102) is provided on the outer side in the width direction than the first reflecting portion (100). And

  According to the invention which concerns on Claim 8, while the external appearance can be improved by the shift | offset | difference of the position of the width direction of a 1st reflection part and a 2nd reflection part, the irradiation range of the left-right direction can be expanded.

  According to the headlight device of the present invention, it is possible to make it appear as if there are a plurality of light sources in the left and right regions while using a single light source.

1 is a side view of a motorcycle equipped with a headlight device according to an embodiment of the present invention. FIG. 2A is a partially omitted front view showing the handlebar cover of the motorcycle and its peripheral part, and FIG. 2B is a partially omitted side view showing the handlebar cover of the motorcycle and its peripheral part. FIG. 3A is a rear view showing a rear combination light of the motorcycle, and FIG. 3B is a side view of the rear combination light. 1 is a partially omitted front view of a headlight device according to an embodiment of the present invention. FIG. 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 reflector. It is sectional drawing by the VI-VI line in FIG. It is sectional drawing by the VII-VII line in FIG.

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

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

  The motorcycle 12 according to one configuration example is configured as a medium-sized motorcycle. However, the present invention is not limited to this, and can be applied to other various motorcycles such as a scooter type, an on-road type, and an off-road type.

  As shown in FIG. 1, the front wheel 14 of the motorcycle 12 is 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 central portion in the left-right direction of the bridge member 18 is pivotally supported by a head pipe 21 that constitutes the front end portion of the vehicle body frame 13. A handle 22 for turning is attached.

  The handle 22 is covered with 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.

  As shown in FIGS. 2A and 2B, the handle cover 24 includes a top cover 26, a front cover 28, and a rear cover 30, and has a substantially T-shape as a whole when viewed from the front. Grips 32 provided at both ends of the projection protrude. The top cover 26 extends obliquely downward toward the front, and is formed in a tapered shape (inverted triangular shape in front view) toward the front.

  Two first cutouts 34 are provided in the vicinity of the central portion in the left-right direction at a front upper edge of the front cover 28 at intervals along the left-right direction. The first cutout 34 and the top cover 26 constitute two holes 36. A horn (horn device) 38 is disposed behind the hole 36 in the front cover 28. The horn 38 is fixed to the handle bar 42 via the bracket 40. Only one first cutout 34 may be provided at the center of the front upper edge of the front cover 28 in the vehicle width direction.

  In addition, two second cutout portions 44 are provided on the front upper edge portion of the front cover 28 outside the first cutout portion 34 in the left-right direction. The second cutout portion 44 and the top cover 26 constitute two hole portions 46 extending obliquely upward toward the outer side in the left-right direction. A pair of left and right position lights 48 are attached to the inside of the front cover 28 so as to be exposed from the holes 46.

In the configuration shown in FIGS. 2A and 2B, position lights 48 are arranged on the left and right of the handle cover 24, and a horn 38 is arranged between the position lights 48. In addition, a horn 38 is disposed on the back side of the hole 36 formed by the front cover 28 and the top cover 26. For this reason, the left and right position lights 48 and the horn 38 are efficiently arranged in a limited space in the handle cover 24, and both the sound pressure of the horn 38 and the visibility of the position light 48 can be achieved.

  As shown in FIG. 1, the vehicle body frame 13 constituting the skeleton of the motorcycle 12 includes a pair of left and right main frames 52 extending obliquely downward from the head pipe 21 toward the rear of the vehicle, and an intermediate position of the main frame 52. A seat frame 54 extending obliquely upward toward the rear of the vehicle, and a pivot frame 56 connected to the rear end portion of the main frame 52 are provided.

  An engine 58 for rotationally driving the rear wheel 72 is mounted below the main frame 52. The engine 58 according to one configuration example is a configuration in which a transmission 60 is integrally provided, is fixed to the main frame 52 and the pivot frame 56, and is long and substantially horizontally disposed in the front-rear direction. An exhaust device 64 having a silencer 64 a is connected to a cylinder head 62 provided in the engine 58.

  On the pivot frame 56, a front end portion of a swing arm 66 is supported so as to be swingable, and a main stand 68 is attached. The swing arm 66 rotatably supports the rear wheel 72. The driving force of the engine 58 is transmitted to the rear wheel 72 through the chain 70, whereby the rear wheel 72 is rotationally driven. A lower end portion of the rear suspension 74 is connected to the rear end portion of the swing arm 66. An upper end portion of the rear suspension 74 is connected to the seat frame 54. A rear fender 73 is disposed above the rear wheel 72.

  A body cover 77 and a fuel tank (not shown) are attached to the seat frame 54. An occupant seat 75 is attached to the body cover 77. The fuel tank is covered by a body cover 77 below the occupant seat 75. A rear combination light 76 that functions as a tail lamp (license light), a brake lamp, and a rear turn signal is disposed at the rear end of the body cover 77.

3A is a rear view of the rear combination light 76, and FIG. 3B is a side view of the rear combination light 76 . As shown in FIGS. 3A and 3B, the rear combination light 76 includes a tail lamp part 78, a brake lamp part 80, and a rear turn signal part 82. The rear combination light 76 includes a transparent lens 84 that covers the entire rear combination light 76.

  The tail lamp portion 78 is disposed at the center of the rear portion of the rear combination light 76 in the left-right direction (vehicle width direction). A reflector 79 is provided below the tail lamp portion 78. The brake lamp portion 80 is located above the tail lamp portion 78, extends from the rear portion of the rear combination light 76 to the left and right sides, and extends forward along the upper portions of the left and right sides. The portions of the lens 84 corresponding to the tail lamp portion 78, the reflecting plate 79, and the brake lamp portion 80 are configured as red lenses. The hatched portions indicate the range of the red lens. The red lens has an upward arrow shape in the rear view.

  The rear inner portion 82 is disposed on both the left and right sides of the tail lamp portion 78, slightly in front of the tail lamp portion 78, and below the brake lamp portion 80. A portion of the lens 84 corresponding to the rear blinker portion 82 is configured as an orange lens having a convex shape obliquely downward on the left and right outer sides. In the rear combination light 76 configured as described above, since the brake lamp portion 80 is arranged at the upper stage and the rear turn signal portion 82 is arranged at the lower stage, the visibility of the red lamp and the orange lamp can be improved.

A front fender 86, a front cowl 88, and the headlight device 10 are disposed between the handle 22 and the front wheel 14 at the front portion of the motorcycle 12. The front fender 86 is a part for blocking mud and stones that the front wheel 14 jumps up, and is attached to the front fork 16 above the front wheel 14. The front cowl 88 is disposed above the front fork 16 and covers the head pipe 21 and extends downward to the vicinity of the lower end of the front fender 86 behind the front fender 86.

The headlight device 10 is disposed on the front surface of the front cowl 88 and is inclined upward from the upper end of the front fender 86 toward the rear of the vehicle in a side view of the vehicle. 4 is a partially omitted front view of the headlight device 10 according to the present embodiment, FIG. 5A is a partially omitted perspective view of the headlight device 10, and FIG. FIG. 6 is a cross-sectional view taken along line VI-VI in FIG. 4, and FIG. 7 is a cross-sectional view taken along line VII-VII in FIG. 4.

As shown in FIGS. 4 to 7, the headlight device 10 includes a lens 90 constituting a front surface, a headlight body 92 including a first reflector 98, and a headlight bulb that is a light source attached to the headlight body 92. 94 (hereinafter referred to as a bulb), a second reflector 95 attached to the headlight body 92, and a light-shielding portion 96 attached to the headlight body 92. Incidentally, to facilitate understanding, in FIG. 4 and FIG. 5 A, it is omitted right half shown in lens 90.

  The lens 90 is made of a transparent synthetic resin and is configured to cover the front surface of the headlight body 92. Specifically, the lens 90 is configured to integrally cover the first reflector 98 and the winker reflector 107. The light emitted from the bulb 94 passes through the lens 90 and irradiates the front of the motorcycle 12. That is, as shown in FIGS. 6 and 7, the lens 90 is disposed in front of the valve 94 while being mounted on the motorcycle 12.

  The headlight body 92 has a first reflector 98 that reflects direct light and reflected light emitted from the bulb 94. The first reflector 98 includes left and right first reflecting portions 100 that directly reflect the light emitted from the bulb 94 and left and right second reflecting portions 102 that reflect the reflected light of the light emitted from the bulb 94.

  The left and right first reflecting portions 100 are provided on the lower side of the headlight body 92 at a location near the center in the left-right direction. A bulb 94 is disposed between the left and right first reflecting parts 100. The reflection surface of the first reflection unit 100 is formed in a curved shape that moves forward as it goes outward in the left-right direction, and as shown in FIG. 7, it is formed in a curved shape whose longitudinal section is recessed backward. Yes. The upper part of the first reflecting 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 reflecting unit 100, and the reflected light passes through the lens 90 and is irradiated to the front of the vehicle.

The second reflector 102 is configured to reflect the reflected light of the bulb 94 from the second reflector 95. As shown in FIGS. 4 and 5 A, the second reflecting portion 102 in accordance with one configuration example, than the first reflecting portion 100 provided in the left-right direction outer side of the position of the upper and the first reflecting portion 100, the left-right direction outer The reflective surface extends forward. The area of the second reflection unit 102 is smaller than the area of the first reflection unit 100. As shown in FIGS. 4 and 5A, a wall 103 is provided between the first reflecting part 100 and the second reflecting part 102, and the first reflecting part 100 and the second reflecting part are provided by the wall 103. The part 102 is partitioned off. In FIG. 5A, for easy understanding, the portion of the wall 103 is hatched with a dotted line.

  In the headlight body 92, a pair of left and right front blinker portions 104 are provided outside the second reflecting portion 102 in the left-right direction and slightly behind the second reflecting portion 102. Each front winker unit 104 includes a winker valve 106 that blinks when the traveling direction is changed, and a winker reflector 107 provided around the winker valve 106.

  The second reflector 95 reflects the light emitted from the bulb 94 toward the left and right second reflecting portions 102 and is attached to the headlight body 92. The second reflector 95 according to one configuration example is a member that extends horizontally in the left-right direction, is disposed above and slightly in front of the bulb 94, and emits light emitted from the bulb 94 to the left and right second reflectors 102. Left and right reflecting surfaces 95a (see FIGS. 5B and 7) for reflecting toward the screen. The left and right reflecting surfaces 95a have a line-symmetric shape with respect 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 reflector 95 is close to the upper tip end 100 a of the first reflecting portion 100. The distance L between the lower end 95b of the second reflector 95 and the upper tip 100a of the first reflector 100 can sufficiently reflect the light emitted from the bulb 94 toward the second reflector 102, and It is preferable that the light reflected by the first reflecting unit 100 and the light reflected by the second reflecting unit 102 be set so as not to be mixed as much as possible.

  Since the second reflector 102 and the second reflector 95 are configured as described above, part of the light radiated from the bulb 94 (indicated by B2 in FIG. 5A) is left and right by the second reflector 95. 2 Reflected toward the reflecting portion 102 (outward in the left-right direction in the illustrated example), the reflected light is reflected again by each second reflecting portion 102, and the reflected light passes through the lens 90 and is irradiated to the front of the vehicle. The

  The light shielding unit 96 is configured to cover the bulb 94 in a front view. Specifically, the light shielding portion 96 is disposed between the lens 90 and the first reflector 98 at a front position of the bulb 94 and between the lens 90 and the bulb 94. In the illustrated configuration example, the light shielding unit 96 completely shields the valve 94 in a front view. In the present embodiment, the light shielding portion 96 is disposed in front of the second reflector 95 and is configured to cover at least a part of the second reflector 95 in a front view. The light shielding portion 96 is made of a heat-resistant member that can withstand the heat generated by the bulb 94, and is made of, for example, PBT resin.

  The light-shielding part 96 is disposed at the substantially center in the left-right direction of the front part of the headlight body 92, and the upper end of the light-shielding part 96 is near the upper edge part of the headlight body 92 (specifically, the second reflecting part 102 And the lower end of the light-shielding portion 96 reaches the lower end of the headlight body 92.

  Further, the light shielding portion 96 is configured to be wider toward the upper side. Specifically, a portion of the light shielding portion 96 that is substantially in the same height range as the first reflecting portion 100 has a width that is necessary and sufficient to visually shield the bulb 94 when viewed from the front. A region in a range higher than the portion 100, that is, a range covering the second reflector 95 is configured to be wide so as to cover most of the second reflector 95.

  The headlight device 10 according to the present embodiment is basically configured as described above. Next, the function and effect will be described.

  According to the above-described headlight device 10 according to the present embodiment, a part of the light emitted from the bulb 94 is directly reflected by the left and right first reflectors 100 and irradiated to the front of the vehicle, and emitted from the bulb 94. Since the other part of the reflected light is reflected in the order of the second reflector 95 and the left and right second reflecting portions 102 and is irradiated to the front of the vehicle, each of the left and right first reflecting portions 100 and the second reflecting portions 102 Is visible as if there is a light source. For this reason, while using a single bulb 94, it is possible to make it appear as if there are a plurality of light sources on each of the left and right sides of the first reflector 98, so that the appearance can be improved and the irradiation range can be expanded. Can do.

Further, according to the headlight device 10 according to the present embodiment, the reflecting surface 95a of the second reflector 95 is formed in a concave shape on the inner side in the left-right direction. 2 Reflects on the reflecting portion 102. Therefore, the second reflector 95 can be reduced in size and width, and as a result, the headlight device 10 can be reduced in size and width.

  Furthermore, according to the headlight device 10 according to the present embodiment, at least a part of the second reflector 95 is covered and visually shielded by the light shielding portion 96 in front view, so that the appearance of the headlight device 10 is Can be improved. In addition, since the second reflector 95 is disposed between the bulb 94 and the light shielding portion 96, the appearance of the headlight device 10 can be further improved.

  Furthermore, according to the headlight device 10 according to the present embodiment, since the second reflecting unit 102 is disposed above the first reflecting unit 100, the light sources are disposed in two upper and lower stages. The light distribution characteristic can be improved by widening the irradiation range.

Still further, according to the headlight device 10 according to the present embodiment, the upper tip 100a of the first reflector 98 and the lower end portion 95b of the second reflector 95 are brought close to each other, and reflected by the first reflector 100. The light and the light reflected by the second reflecting unit 102 are not easily mixed. For this reason, the 1st reflection part 100 and the 2nd reflection part 102 can be distinguished clearly and can be made to visually recognize.

  According to the headlight device 10 according to the present embodiment, since the area of the second reflecting portion 102 is smaller than the area of the first reflecting portion 100, the irradiation area of the main first reflecting portion 100 can be shown larger. In addition, the headlight device 10 need not be unnecessarily enlarged.

  According to the headlight device 10 according to the present embodiment, since the second reflecting portion 102 is provided on the outer side in the width direction than the first reflecting portion 100, the width of the first reflecting portion 100 and the second reflecting portion 102 in the width direction is increased. Due to the displacement, the appearance can be improved and the irradiation range in the left-right direction can be expanded.

  In the above-described embodiment, the arrangement and size of the first reflecting unit 100 and the second reflecting unit 102 are examples, and the first reflecting unit 100 and the second reflecting unit 100 are arranged according to the type of the motorcycle 12 and the shape of the headlight device 10. The arrangement and size of the two reflecting portions 102 may be changed. For example, the second reflection unit 102 may be arranged at a position lower than the first reflection unit 100, or the first reflection unit 100 and the second reflection unit 102 may be arranged at the same height. In addition, the first reflection unit 100 and the second reflection unit 102 may be arranged at the same position in the left-right direction, or the area of the first reflection unit 100 and the area of the second reflection unit 102 may be set to the same size. Good.

  In the embodiment described above, the case where the front turn signal unit 104 is provided in the headlight device 10 has been described. However, the front turn signal unit 104 may be provided independently of the head light device 10. That is, the front winker unit 104 may be provided at a location other than the location where the headlight device 10 of the front cowl 88 is provided, or the front winker unit 104 may be provided at the left and right locations of the handle cover 24.

  In the above-described embodiment, the case where the headlight device 10 is provided on the front surface of the front cowl 88 of the motorcycle 12 has been described. However, depending on the type of the motorcycle 12, the headlight device 10 may be provided on the front surface of the handle cover 24. Also good.

  In the above description, the present invention has been described with reference to preferred embodiments. However, the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the present invention. Needless to say.

DESCRIPTION OF SYMBOLS 10 ... Headlight apparatus 12 ... Motorcycle 90 ... Lens 92 ... Headlight body 94 ... Bulb (light source) 95 ... 2nd reflector 96 ... Light-shielding part 98 ... 1st reflector 100 ... 1st reflection part 102 ... 2nd reflection part

Claims (8)

A light source (94);
A first reflector (98) for reflecting light emitted from the light source (94);
A lens (90) disposed in front of the light source (94);
A light shield (96) configured to cover the light source (94) in a front view;
In a headlight device having
A second reflector (95) for reflecting the light emitted from the light source (94) toward the first reflector (98);
The first reflector (98) includes left and right first reflecting portions (100) and left and right second reflecting portions (102),
The first reflecting part (100) is configured to reflect direct light from the light source (94),
The second reflecting portion (102) is configured to reflect the reflected light of the light source (94) from the second reflector (95) ,
On each of the left and right sides, a wall portion (103) is provided between the first reflecting portion (100) and the second reflecting portion (102), and the first reflecting portion (103) is provided by the wall portion (103). 100) and the second reflecting portion (102) are partitioned.
A headlight device characterized by that. The headlight device according to claim 1, wherein
The reflective surface of the second reflector (95) is formed in a concave shape on the inner side in the left-right direction.
A headlight device characterized by that. The headlight device according to claim 1 or 2,
At least a part of the second reflector (95) is covered with the light shielding portion (96) in a front view.
A headlight device characterized by that. In the headlight device according to any one of claims 1 to 3,
The second reflector (95) is disposed between the light source (94) and the light shielding part (96).
A headlight device characterized by that. In the headlight device according to any one of claims 1 to 4,
The second reflecting portion (102) is disposed above the first reflecting portion (100).
A headlight device characterized by that. In the headlight device according to any one of claims 1 to 5,
The upper part of the first reflection part (100) extends forward,
The lower end (95 b ) of the second reflector (95) is close to the upper tip (100a) of the first reflector (100).
A headlight device characterized by that. In the headlight device according to any one of claims 1 to 6,
The area of the second reflection part (102) is smaller than the area of the first reflection part (100).
A headlight device characterized by that. In the headlight device according to claim 1,
The second reflecting portion (102) is provided on the outer side in the width direction than the first reflecting portion (100).
A headlight device characterized by that.

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