JP2009181913A - Headlight device of vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a headlight device of a vehicle capable of enhancing a viewing capability of a position light while restraining increase of a vertical size of the headlight device. <P>SOLUTION: In the headlight unit 30 for storing a headlight and the position light in a single housing 31, a position light bulb 60 is arranged at a position displaced to a downward direction and either of right or left in a vehicle-width direction of a reflector 43 of a headlight bulb 40. A pair of position bulbs 60 are arranged on right and left positions at right and left in the vehicle-width direction at a lower part of the housing 31. A pair of winker bulbs 50 are arranged on a pair of right and left positions separated at right and left sides in the vehicle-width direction at an upper part of the headlight bulb 40. The pair of headlight bulbs 40 are arranged as a pair of right and left positions at a distance narrower than the distance of the position light bulbs 60. The number of components are reduced by integrally molding a light guide plate 41 of the headlight bulb 40 and a reflector 61 for a position light. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a vehicle headlamp device, and more particularly, to a vehicle headlamp device capable of improving the visibility of a position light while suppressing an increase in vertical dimension of the headlamp device.

  2. Description of the Related Art Conventionally, a configuration in which a headlight and a position light are disposed in a single light housing in a vehicle headlamp device is known.

Patent Document 1 discloses a motorcycle headlamp device in which a one-lamp type position light bulb is disposed below a one-lamp type headlight bulb.
JP 2007-280760 A

  However, in the configuration described in Patent Document 1, since the position light bulb is disposed directly below the reflector for the headlight bulb, the shape and design of the reflector are easily restricted. Also, if the vertical distance between the two is increased in order to clarify the distinction between the position light bulb and the headlight bulb and increase visibility, the vertical dimension of the housing tends to increase, and the overall headlamp device becomes larger. There was a problem that it was easy.

  An object of the present invention is to provide a vehicle headlamp device that solves the above-described problems of the prior art and can increase the visibility of the position light while suppressing an increase in the vertical dimension of the headlamp device. There is.

  In order to achieve the above object, the present invention provides a vehicle headlight device in which a headlight bulb and a positionlight bulb are housed in a single housing, wherein the positionlight bulb is located below a reflector of the headlight bulb and A first feature is that the headlight bulb is disposed at a position displaced to the left or right in the vehicle width direction with respect to the headlight bulb.

  A second feature is that the position light bulbs are arranged in a pair of left and right in the vehicle width direction at the lower part of the housing.

  A third feature is that a pair of left and right turn signal bulbs are disposed in the housings above and to the left and right of the headlight bulb.

  A fourth feature is that the headlight bulbs are arranged in a pair on the left and right sides at an interval narrower than the interval between the position light bulbs.

  And a light guide plate that is disposed between a lens that covers the housing from the front side of the vehicle body and a reflector for the headlight bulb, and that restricts an irradiation range of the headlight bulb, the light guide plate and the position light. A fifth feature is that the reflector for the valve is integrally molded.

  According to the first feature, the position light bulb is disposed below the headlight bulb reflector and at a position displaced to the left or right in the vehicle width direction with respect to the headlight bulb. Even if it is provided, the shape of the reflector of the headlight bulb is not restricted, and the degree of freedom in designing the headlamp device is increased. Further, even if both bulbs are arranged apart from each other to clarify the distinction between the position light and the headlight, an increase in the vertical dimension of the housing can be suppressed, and a small headlamp device can be obtained.

  According to the second feature, since the position light bulbs are arranged in a pair of left and right in the vehicle width direction at the lower part of the housing, the vertical dimension of the housing is increased even if the position light is a pair of left and right lights. Can be suppressed. In addition, the position light bulb is positioned outside the headlight bulb in the vehicle width direction, so that the position light is not obscured by the light of the headlight and the visibility of the position light can be increased. Become.

  According to the third feature, since the pair of left and right turn signal bulbs are disposed in the upper and left and right housings with respect to the headlight bulb, the turn signal bulb and the position light bulb are bilaterally symmetrical at the upper and lower positions of the headlight bulb. The visibility of each valve can be improved.

  According to the fourth feature, since the headlight bulbs are arranged in a pair on the left and right sides at an interval narrower than the interval between the position light bulbs, the irradiation range of the headlights is controlled while ensuring the visibility of the position lights. It is possible to expand to.

  According to the fifth feature, since the light guide plate for limiting the irradiation range by the headlight bulb is provided and the light guide plate and the reflector for the position light bulb are integrally formed, the number of parts is reduced and the headlight is reduced. The structure of the lamp device can be simplified.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a side view of a motorcycle 1 according to an embodiment of the present invention. The motorcycle 1 is a scooter-type straddle-type vehicle including a unit swing type power unit incorporating a continuously variable transmission. A cylindrical head pipe 4 is fixed in front of the pair of left and right main frames 6, and a front wheel WF is freely rotatable at the lower ends of the pair of left and right front forks 5 that are pivotally attached to the head pipe 4. Is pivotally supported.

  The front wheel WF can be steered by a handlebar 2 connected to a stem shaft (not shown) pivotally supported by the head pipe 4, and the handlebar 2 is provided with a pair of left and right handle grips 3. . The head pipe 4 is covered from the front and rear direction of the vehicle body with a front cover 24 and a cover panel 15 as exterior parts. A headlight unit 30 as a headlamp device incorporating a position lamp and a pair of left and right front side winkers is supported by a light stay 7 fixed to the head pipe 4, and a lens portion is provided from an opening of the front cover 24. It is arranged so as to look forward of the vehicle body.

  The main frame 6 is connected to a seat frame 9 that is curved below the vehicle body and extends rearward of the vehicle body. A holder 12 for supporting the power unit 18 is coupled to the gusset 11 coupled to the lower portion of the main frame 6. The main frame 6 and the seat frame 9 are also coupled to each other by a pair of left and right subframes 8 via a gusset 10 disposed substantially in the center of the vehicle body. It is arrange | positioned so that it may be pinched | interposed from.

  A power unit 18 including an engine 17, a carburetor 21, and an air cleaner box 20 is supported on a holder 12 that is rotatably mounted on one end side of the gusset 11. The power unit 18 is suspended by a rear shock unit 22 attached to the seat frame 9, so that the power unit 18 can swing around one end side of the holder 12. A rear wheel WR as a drive wheel is rotatably supported at the rear end portion of the power unit 18. The other end of the exhaust pipe 19 connected to the exhaust port of the engine 17 is connected to a muffler 23 as a silencer disposed at the rear of the vehicle body.

  The seat frame 9 is covered with a right and left symmetrical seat cowl 25 disposed adjacent to a seat 16 on which an occupant sits. At the rear end of the seat cowl 25 is attached a grab rail 80 that is held by a passenger in the rear seat when handling the vehicle body or when two passengers ride, and a tail light and a brake light are integrated under the grab rail 80. The constructed stop lamp unit 70 is attached. A rear lighting device 90 that integrally forms mudguards for the rear wheels WR is attached to the lower portion of the stop lamp unit 70. The base member of the rear lighting device 90 is provided with a pair of left and right rear blinkers 91, and an extending portion 26 extending upward from the base member is fixed to the rear end portion of the seat frame 9.

  FIG. 2 is a front view of the headlight unit 30. 3 is a top view, FIG. 4 is a side view, and FIG. 5 is a rear view. The headlight unit 30 includes a pair of left and right headlight bulbs 40 constituting a headlamp, a pair of left and right blinker bulbs 50 constituting a direction indicator lamp, and a pair of left and right headlights constituting a position lamp. The position light bulbs 60 are respectively disposed and covered from the front side of the vehicle body by a large lens 34 integrally molded with a colorless transparent or colored transparent resin or the like. A winker valve 50 is disposed at the upper portion of the housing 31 integrally molded with black resin or the like, and a pair of right and left position light valves 60 are disposed at one lower portion.

  In the headlight unit 30 according to the present embodiment, since the position light bulbs 60 are arranged in a pair of left and right at positions separated in the vehicle width direction, both the position lights and the headlights are clearly identified. Even if the bulbs are arranged apart from each other, an increase in the vertical dimension of the housing 31 is suppressed, and a small headlight unit 30 can be obtained. Further, since the position light bulb 60 is disposed on the outer side in the vehicle width direction from the headlight bulb 40, the visibility of the position light can be enhanced without the light of the position light being obscured by the light of the headlight. In addition, since the headlight bulbs 40 are arranged in a pair on the left and right sides at an interval narrower than the interval between the position light bulbs 60, it is possible to enlarge the irradiation range of the headlights to the left and right while ensuring the visibility of the position lights. It becomes possible. Since the pair of left and right turn signal valves 50 are disposed at a position spaced apart in the vehicle width direction at the upper part of the housing 31, the turn signal and the position light are disposed symmetrically at the upper and lower positions of the headlight. As a result, the visibility of each light is enhanced.

  A headlight reflector 43 that reflects light from the bulb in a predetermined direction is disposed on the back surface of the headlight bulb 40. Similarly, a winker reflector 51 is provided on the back side of the winker bulb 50, and a position light reflector 61 is provided on the back side of the position light bulb 60. In the headlight unit 30 according to the present embodiment, since the position light bulbs 60 are arranged in a pair on the left and right sides in the vehicle width direction, for example, compared to a configuration in which the position light bulb is arranged directly below the headlight bulb, The shape of the headlight reflector 43 is not easily restricted, and the degree of freedom in designing the headlight unit 30 is increased.

  A pair of left and right stay portions 35 having hooks 38 and bolt holes 36 for engaging with the front cover 24 (see FIG. 1) are provided on the upper portion of the housing 31. Further, an engagement protrusion 37 that engages with the front end plate 7 a of the light stay 7 is provided on the back side of the housing 31. 4 and 5, the light stay 7 includes a support pipe 7b that supports a plate 7e that connects the left and right stay portions 35 from below, and a pair of left and right mounting portions 7d that are fixed to the front cover 24. And a support arm 7 c having

  A protective cover 42 is provided on the rear side of the housing 31 to prevent moisture and the like from entering the housing 31. The protective cover 42 formed of rubber or the like can be arbitrarily attached and detached when the headlight bulb 40 is replaced. Further, a second socket 52 that supports the winker bulb 50 is disposed on the back side, and a third socket 62 that supports the second socket 52 is disposed on the back side of the position light bulb 60. . Furthermore, an optical axis adjustment mechanism 44 is provided at the lower center of the rear side of the housing 31 so that the optical axis of the headlight can be adjusted with a tool such as a driver.

  6 is a cross-sectional view taken along line AA in FIG. FIG. 7 is a sectional view taken along line BB in FIG. The pair of left and right headlight bulbs 40 are fixed to a symmetrical headlight reflector 43 by a first socket 46. The headlight reflector 43 is configured to swing around the aiming shaft 45 by driving the optical axis adjusting mechanism 44. A light guide plate 41 is provided between the headlight reflector 43 and the lens 34 to limit the irradiation range of the headlight bulb 40.

  8 is a cross-sectional view taken along line CC in FIG. FIG. 9 is a cross-sectional view taken along line DD of FIG. The position light bulb 60 is supported by the housing 31 by a third socket 62, and only the light emitting portion thereof is disposed so as to look forward from the opening of the position light reflector 61 to the vehicle body front side. The position light reflector 61 is formed with a plurality of step-like reflecting surfaces in the lateral direction of the vehicle body. In this embodiment, the position light reflector 61 is integrally formed with the headlight light guide plate 41, thereby reducing the number of components and simplifying the structure.

  10 is a cross-sectional view taken along line EE in FIG. The winker bulb 50 is supported on the housing 31 by a second socket 52, and only the light emitting portion thereof is disposed so as to be seen from the opening of the winker reflector 51 to the front side of the vehicle body. A winker lens 53 made of a colored transparent resin colored in orange or the like is attached to the front side of the vehicle body of the winker reflector 51. Thereby, even when the lens 34 is colorless and transparent, it is possible to emit only the blinker portion with different colors.

  As described above, according to the vehicle headlamp device of the present invention, the pair of left and right position light bulbs 60 are disposed in a pair of left and right positions at positions spaced below the headlight bulb 40 in the vehicle width direction. Therefore, even when the headlight and the position light are housed in the single housing 31, the shape of the reflector 43 for the headlight bulb 40 is not easily restricted, and the degree of design freedom of the headlight unit 30 is increased. Further, even when both bulbs are arranged apart from each other in order to clarify the distinction between the position light and the headlight, it is possible to suppress an increase in the vertical dimension of the housing 31 and to obtain a small headlight unit 30. it can.

  The shape and material of the housing and the lens, the shape and material of each reflector, the number of valves disposed, etc. are not limited to the above-described embodiments, and various changes can be made. For example, the headlight bulb may be a one-lamp type or a three-lamp type, and each bulb is not limited to an incandescent lamp and may be constituted by a plurality of light emitting diodes. Moreover, the vehicle headlamp device according to the present invention is not limited to the motorcycle shown in the above embodiment, and can be applied to a tricycle or a four-wheel vehicle.

1 is a side view of a motorcycle according to an embodiment of the present invention. It is a front view of the headlight unit concerning one embodiment of the present invention. It is a top view of a headlight unit. It is a side view of a headlight unit. It is a rear view of a headlight unit. It is the sectional view on the AA line of FIG. FIG. 3 is a sectional view taken along line B-B in FIG. 2. It is CC sectional view taken on the line of FIG. It is the DD sectional view taken on the line of FIG. It is the EE sectional view taken on the line of FIG.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Motorcycle, 4 ... Head pipe, 7 ... Light stay, 24 ... Front cover, 30 ... Headlight unit (headlight device), 31 ... Housing, 34 ... Lens, 40 ... Headlight bulb, 41 ... Light guide plate , 43 ... Headlight reflectors, 50 ... Winker bulbs, 51 ... Winker reflectors, 60 ... Position light bulbs, 61 ... Position light reflectors

Claims (5)

In a vehicle headlamp device in which a headlight bulb and a position light bulb are housed in a single housing,
A vehicle headlamp characterized in that the position light bulb is disposed below the reflector of the headlight bulb and at a position displaced to the left or right in the vehicle width direction with respect to the headlight bulb. apparatus.   2. The vehicle headlamp device according to claim 1, wherein the position light bulbs are arranged in a pair of left and right in the vehicle width direction at a lower portion of the housing.   The vehicle headlamp device according to claim 1, wherein a pair of left and right turn signal bulbs are disposed in the housings above and to the left and right of the headlight bulb.   4. The vehicle headlamp device according to claim 2, wherein the headlight bulbs are arranged in a pair of left and right at an interval narrower than an interval between the position light bulbs. 5. A light guide plate that is disposed between a lens that covers the housing from the front side of the vehicle body and the reflector for the headlight bulb, and restricts an irradiation range by the headlight bulb;
The vehicle headlamp device according to any one of claims 1 to 4, wherein the light guide plate and the reflector for the position light valve are integrally molded.

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