JP2012101573A - Head lamp device of motorcycle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a head lamp device of motorcycle capable of improving visibility on the lighting of a position lamp bulb.SOLUTION: The head lamp device 32 of motorcycle includes: a pair of left and right head lamp bulbs 37 arranged in a space 36 surrounded by a lens 34 having a light-transmissive part 34A arranged on an opening 30 formed on the front surface of a front cover 21 with which the vehicle front part is covered and a housing 35 disposed on the vehicle back side from the lens 34; and a reflection mirror 44 for head lamp disposed on the position where respective head lamp bulbs 37 are faced from the sides of the vehicle back side, to constitute a double light type head lamp 47, wherein a recessed part 43 which is depressed in the vehicle back side is disposed on the part corresponding to a middle position of the pair of left and right head lamp bulbs 37, on the lens 34, and the position lamp bulb 38 which is stored in the space 36 and constitutes a position lamp 51 toward the vehicle back side is arranged.

Description

  The present invention relates to a motorcycle headlamp device having a position lamp bulb in addition to a headlamp bulb.

  In addition to the headlamp as a headlight, a motorcycle headlamp device includes a position lamp for displaying the presence of the vehicle on an oncoming vehicle or the like at dusk. Is disclosed.

  In such a conventional motorcycle headlamp device, in the lens installed in front of the housing, the portion facing the headlamp bulb is configured as the lens portion for the headlamp, and the portion facing the position lamp bulb is the position. The lens part for the lamp is configured.

JP 2003-40168 A JP 2003-81154 A

  Therefore, in the headlamp devices described in Patent Documents 1 and 2, when the headlamp bulb emits light, the lens portion for the headlamp shines and the lens portion for the position lamp does not shine. When the position lamp bulb emits light, the lens part for the position lamp shines and the lens part for the headlight does not shine.

  Since the lens portion for the position lamp in the lens is a narrow region, the region where the lens shines is narrowed by the light emission of the position lamp bulb, and as a result, the visibility is lowered.

  An object of the present invention is to provide a headlamp device for a motorcycle that can improve the visibility when a position lamp bulb is lit, in view of the above-described circumstances.

  The present invention provides a pair of left and right lenses in a space surrounded by a lens partially disposed in an opening formed on the front surface of a front exterior part that covers the front of the vehicle, and a housing provided behind the lens. In a motorcycle headlamp device in which a headlamp reflector is provided at a position facing each headlamp bulb from the rear of the vehicle to form a two-lamp headlamp, the lens includes A recess corresponding to the middle position of the pair of left and right headlamp bulbs is provided at the rear of the vehicle. The recess is accommodated in the space and forms a position lamp toward the rear of the vehicle. A position lamp bulb is arranged.

  According to the present invention, the lens partly disposed in the opening formed on the front surface of the exterior part is provided with the concave portion in the portion corresponding to the middle position of the pair of left and right headlamp bulbs, and the position is set in the concave portion. A lamp bulb is housed in a space surrounded by the lens and the housing, and is disposed toward the rear of the vehicle. For this reason, when the position lamp bulb is turned on, the light is reflected by the headlamp reflecting mirror and irradiated to the front of the vehicle, so that substantially the entire lens is illuminated. As a result, the visibility when the position lamp bulb is turned on can be improved.

1 is a left side view showing a scooter type motorcycle to which an embodiment of a headlamp device for a motorcycle according to the present invention is applied. The front view which shows the scooter type motorcycle of FIG. The front view which shows the headlamp apparatus of FIG.1 and FIG.2. IV arrow line view of FIG. Sectional drawing which follows the VV line | wire of FIG.

  Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. However, the present invention is not limited to these embodiments.

  FIG. 1 is a left side view showing a scooter type motorcycle to which an embodiment of a headlamp device for a motorcycle according to the present invention is applied. FIG. 2 is a front view showing the scooter type motorcycle of FIG. In the present embodiment, front / rear, left / right, and upper / lower expressions are based on the driver when riding the vehicle.

  A scooter-type motorcycle 10 shown in FIGS. 1 and 2 includes an underbone-type body frame (not shown), and a front fork 11 is attached to a head pipe (not shown) provided at the front of the body frame. 12 is supported so as to be rotatable left and right. A front wheel 13 is pivotally supported at the lower end of the front fork 11.

  An engine suspension bracket 14 is supported by a vehicle body frame (not shown) at the center lower portion of the vehicle, and a power unit 15 is pivotally supported by the engine suspension bracket 14 so as to be swingable in the vertical direction. The power unit 15 is generally used for a scooter, and an engine 16 and a transmission device 17 are integrally formed, and a rear wheel 18 is directly supported on a rear portion of the transmission device 17. The transmission device 17 is, for example, a continuously variable transmission that changes the output of the engine 16 to a predetermined rotational speed.

  The power unit 15 and the rear wheel 18 are suspended by the reaction unit 19 with their vertical swings buffered. The seat 20 is supported on a seat rail (not shown) of the body frame so as to be freely opened and closed. By opening the seating sheet 20, articles can be put into and taken out from an article storage box (not shown) disposed below the seating sheet 20.

  The front part and the rear part of the scooter type motorcycle 10 are respectively covered with a front cover 21 as a front exterior part made of synthetic resin and a rear cover 22 as a rear side exterior part, thereby improving the appearance and protecting internal devices. It is illustrated.

  The front cover 21 forms a leg shield 23. A front fender 24 that covers the top of the front wheel 13 is supported by the front fork 11 in front of the front cover 21. Further, the rear cover 22 is installed below the seating seat 20 and covers the surroundings of the article storage box, the engine 16 and the like. A tail lamp 25 and a rear direction indicator lamp 26 are disposed at the rear part of the rear cover 22, and a rear fender 27 is installed so as to cover the rear wheel 18.

  A low floor type step board 28 is provided between the handle bar 12 and the seat 20. This step board 28 is also made of synthetic resin. The front cover 21, the rear cover 22, and the step board 28 are designed to be connected continuously.

  A pair of left and right head lamp openings 30 are formed on the front surface of the front cover 21, and a pair of left and right direction indicating lamp openings 31 are formed above the openings 30. A headlamp device 32 is provided in the opening 30, and a front direction indicator lamp 33 is provided in the opening 31.

  As shown in FIGS. 3 to 4, the headlamp 32 includes a lens 34 made of a light-transmitting material and a single space 36 surrounded by a housing 35 disposed behind the lens 34 in the left and right directions. A pair of head lamp bulbs 37 and one position lamp bulb 38 are arranged. Light emission (lighting) of the headlamp bulb 37 enables illumination in front of the vehicle at night. In addition, the presence of the own vehicle can be displayed on the oncoming vehicle or the like at dusk or parking by the light emission (lighting) of the position lamp bulb 38.

  As shown in FIG. 5 in particular, the lens 34 is integrated with the housing 35 by engaging an engaging portion 39 formed on the outer periphery with an engaging groove 40 provided in the housing 35. The housing 35 is provided with mounting pieces 41 at a plurality of locations on the outer periphery, and at two locations facing left and right in the present embodiment. The attachment piece 41 is attached to a mount 42 provided on the back surface 21 </ b> A of the front cover 21, and the headlamp device 32 is attached to the front cover 21.

  A portion of the lens 34 that faces the pair of left and right headlamp bulbs 37 protrudes forward of the vehicle, and the pair of left and right light-transmitting portions 34A that protrudes is attached to the front cover 21 of the headlamp device 32 and the front cover 21. Is disposed in the opening 30. Further, the lens 34 is formed with a concave portion 43 that is recessed toward the rear of the vehicle at a portion corresponding to an intermediate position between the pair of left and right headlamp bulbs 37, that is, at a central portion in the left-right direction where the translucent portion 34A is formed on both sides. The recess 43 is covered from the front of the vehicle by the front cover 21.

  The housing 35 is formed with a pair of headlamp reflecting mirrors 44 spaced apart from each other on the left and right. These headlamp reflecting mirrors 44 are formed in a substantially hemispherical shape that is recessed toward the rear of the vehicle, and a metal thin film (for example, an aluminum thin film) is deposited on the inner surface thereof. A socket 45 is installed at the center of each of the headlamp reflecting mirrors 44, and a headlamp bulb 37 is attached to each socket 45. Therefore, the headlamp reflecting mirror 44 is provided at a position where the headlamp bulb 37 faces the rear of the vehicle.

  The headlamp bulb 37 is supplied with power from the power cable 46 (FIG. 4) via the socket 45 and emits light. A part of the light from the headlamp bulb 37 is directly transmitted through the light transmitting part 34A of the lens 34, and the remaining part is reflected by the headlight reflecting mirror 44 and then transmitted through the light transmitting part 34A of the lens 34. Irradiated to the front of the vehicle. The pair of headlamp bulbs 37 and the pair of headlamp reflectors 44 are provided to form a two-lamp headlamp 47.

  A socket 48 is installed in the concave portion 43 of the lens 34, and a position lamp bulb 38 is attached to the socket 48. When mounted on the socket 48, the position lamp bulb 38 is housed in the space 36 and is disposed toward the rear of the vehicle. Further, the position lamp bulb 38 is arranged in front of the vehicle with respect to the headlamp reflecting mirror 44 in a state of being mounted in the socket 48. The position lamp bulb 38 is supplied with power from the power cable 49 (FIG. 3) via the socket 48 and emits light.

  A position lamp reflecting mirror 50 is formed in the housing 35 at a vehicle rear position facing the position lamp bulb 38 and at an intermediate position between the left and right head lamp reflecting mirrors 44. The position lamp reflector 50 is also configured by depositing a metal thin film (for example, an aluminum thin film) on the housing 35. When the position lamp bulb 38 emits light, the light is reflected by the position lamp reflecting mirror 50 and the head lamp reflecting mirror 44 as shown by the arrow A in FIG. To the front of the vehicle. The position lamp 51 includes the position lamp bulb 38, the position lamp reflecting mirror 50, and the head lamp reflecting mirror 44.

  As shown in FIGS. 3 to 5, the recessed wall 43 of the lens 34 has a standing wall 52 around the socket 48, that is, above and right and left sides of the socket 48, toward the front of the vehicle and toward the rear surface 21 </ b> A of the front cover 21. Projected toward. Further, a groove-shaped drainage channel 53 covered with the front cover 21 is formed in the concave portion 43 of the lens 34 around the outside of the standing wall 52. Rainwater or the like from the front of the vehicle is blocked by the standing wall 52 and prevented from entering the socket 48 side, and rainwater or the like blocked by the standing wall 52 flows down the drainage channel 53 and is drained.

  With the configuration as described above, the following effects (1) to (5) are achieved according to the present embodiment.

  (1) The lens 34 in which the translucent portion 34A is disposed in the opening 30 formed on the front surface of the front cover 21 is provided with a concave portion 43 at a portion corresponding to an intermediate position between the pair of left and right headlamp bulbs 37. A position lamp bulb 38 is accommodated in the recess 43 in a space 36 surrounded by the lens 34 and the housing 35 and is arranged toward the rear of the vehicle. The housing 35 is provided with a headlamp reflecting mirror 44 at a position facing each headlamp bulb 37 from the rear of the vehicle, and at a position intermediate between the pair of left and right headlamp reflecting mirrors 44 and to the position lamp bulb 38. A position lamp reflecting mirror 50 is provided at the opposite position. Therefore, when the position lamp bulb 38 emits light, the light is reflected by the position lamp reflecting mirror 50 and the head lamp reflecting mirror 44, and is transmitted through the light transmitting portion 34A of the lens 34 and irradiated to the front of the vehicle. The entire translucent portion 34A of the lens 34 is illuminated. As a result, the visibility of the position lamp bulb 38 during light emission can be improved.

  (2) A position lamp bulb 38 is disposed toward the rear of the vehicle in a space 36 surrounded by the lens 34 and the housing 35, and the position lamp reflector 50 is disposed in the housing 35 at a position facing the position lamp bulb 38. Therefore, the light from the position lamp bulb 38 can be reflected not only by the head lamp reflecting mirror 44 but also by the position lamp reflecting mirror 50. As a result, the light distribution performance of the light from the position lamp bulb 38 can be sufficiently secured.

  (3) Since the position lamp bulb 38 is arranged in front of the vehicle with respect to the headlamp reflector 44 provided in the housing 35, the light from the position lamp bulb 38 is effectively reflected by the headlamp reflector 44. Can be reflected.

  (4) Since the concave portion 43 of the lens 34 in which the socket 48 for mounting the position lamp bulb 38 is installed is covered from the front of the vehicle by the front cover 21, the socket 48 and the power cable 49 are connected by the front cover 21. Can be hidden. As a result, the appearance of the scooter type motorcycle 10 can be improved, and the front cover 21 can protect the socket 48 and the like from rainwater. Further, since no separate parts are required to hide the socket 48 and the power cable 49, an increase in cost can be avoided.

  (5) In the concave portion 43 of the lens 34, a standing wall 52 is formed around the socket 48 installed in the concave portion 43 toward the front of the vehicle and toward the rear surface 21 </ b> A of the front cover 21. For this reason, it is possible to prevent rainwater or the like (particularly rainwater from an oblique front) from entering the socket 48 by the standing wall 52, and to improve waterproofness. At this time, rainwater or the like that has been prevented from entering by the standing wall 52 can be suitably drained using the drainage channel 53 formed around the outside of the standing wall 52.

  As mentioned above, although this invention was demonstrated based on the said embodiment, this invention is not limited to this, In the implementation stage, you may change a component in the range which does not deviate from the summary. Moreover, you may combine suitably the some component currently disclosed by the above-mentioned embodiment, and may delete some components from all these components.

  For example, in the present embodiment, the case where the motorcycle is the scooter type motorcycle 10 and the headlamp device 32 attached to the front cover 21 as the front exterior part has been described, but other motorcycles such as on-road The present invention can also be applied to a type of motorcycle in which the headlamp device 32 is attached to a cowling as a front exterior part.

10 Scooter type motorcycle 21 Front cover (front exterior parts)
30 Opening 32 Headlamp device 34 Lens 34A Translucent part (part)
37 Head lamp bulb 38 Position lamp bulb 43 Recess 44 Head lamp reflector 47 Head lamp 48 Socket 50 Position lamp reflector 51 Position lamp 52 Standing wall 53 Drainage channel

Claims (6)

A pair of left and right headlamp bulbs in a space surrounded by a lens partially disposed in an opening formed on the front surface of a front exterior part covering the front of the vehicle and a housing provided behind the lens In a motorcycle headlamp device in which a headlamp reflector is provided at a position facing each headlamp bulb from the rear of the vehicle to form a two-lamp headlamp,
The lens is provided with a concave portion recessed in the rear of the vehicle at a portion corresponding to an intermediate position between the pair of left and right headlamp bulbs,
A headlamp device for a motorcycle, wherein a position lamp bulb that is housed in the space and constitutes a position lamp toward the rear of the vehicle is disposed in the recess. 2. The motorcycle headlamp device according to claim 1, wherein the housing is provided with a position lamp reflecting mirror at a portion facing the position lamp bulb. 2. The headlamp device for a motorcycle according to claim 1, wherein the position lamp bulb is disposed in front of the headlamp reflector. The motorcycle headlamp device according to claim 1, wherein the concave portion provided in the lens is covered from the front of the vehicle by a front exterior part. 2. A socket for supplying power by mounting a position lamp bulb is installed in the concave portion provided in the lens, and a standing wall projects from the socket toward the front of the vehicle. A motorcycle headlamp device according to claim 1. The motorcycle headlamp device according to claim 5, wherein a groove-shaped drainage channel covered with a front exterior part is formed around the outside of a standing wall provided in the concave portion of the lens.

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