JP2013045718A - Vehicle lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle lighting fixture capable of being viewed as if a plurality of lamps were built in with just one light source, despite a simple structure.SOLUTION: The vehicle lighting fixture includes a light source 5, a reflector 11 reflecting light from the light source 5, and a lens 12 arranged at a front face of the reflector 11. The reflector 11 has a plurality of first reflecting surfaces 11A more than the number of light sources 5, and second reflecting surfaces 11B as concave faces 13 to the first reflecting surfaces 11A in an area other than the first reflecting surfaces 11A. The first reflecting surfaces 11A are structured as faces for emitting light from the light source 5 in a first direction as a length direction of the vehicle, while, the second reflecting surfaces 11B are so structured to emit light in a second direction with inclination against the first direction by reflecting light from the light source 5 on slanted faces 17 constituting parts of the concave faces 13.

Description

  The present invention relates to a vehicular lamp, and more particularly to a vehicular lamp such as a clearance lamp or a turn lamp.

  For example, a vehicle lamp such as a clearance lamp includes a light source, a reflector that reflects light from the light source, and an inner lens that is disposed in front of the reflector, and is reflected by the light from the light source and the reflector. The emitted light is emitted to the front of the vehicle through the inner lens.

  In the vehicular lamp having such a configuration, as a technique related to the present invention, for example, there are those disclosed in Patent Documents 1 and 2 below. In Patent Document 1, a lens region and a light diffusion region are formed on an inner lens, and a convex curved surface is formed on a portion of the reflector that faces the light diffusion region, whereby external light is reflected on the reflector. Are prevented from being emitted, and pseudo lighting is prevented. In Patent Document 2, a reflector is configured with a reflective part and a non-reflective part in a vertical and horizontal form, the reflective part is configured to reflect light from the light source in the irradiation direction, and the non-reflective part is light from the light source. In this way, a plurality of light emitting points appear to be scattered.

JP 2001-67905 A JP 2007-35371

  Here, in a vehicular lamp such as a clearance lamp, the lamp body is configured to extend, for example, in the lateral direction, and a plurality of lamps may be provided along the extending direction of the lamp body even if the lamp body includes a single light source. There is a case where it is desired that the lamps are arranged side by side and viewed.

  For example, in FIG. 6, in the lamp main body that forms the lamp chamber by the reflector 11 and the inner lens 12, the reflecting surface of the reflector 11 is configured to emit all of the incident light from the light source 5 almost in front of the vehicle. For example, three convex lens surfaces 12A having a relatively large diameter are formed along the extending direction (left and right direction in the figure) of the lamp body. The lamp body configured in this way is intended to be configured as if there are three lamps by utilizing the light refraction at the three convex lens surfaces 12A formed on the inner lens 12. is there. However, it is difficult to obtain a sufficient contrast between the convex lens surface 12A and the periphery of the convex lens surface, and it is impossible to clearly recognize that a plurality of lamps are arranged in the lamp body. Had. In this case, it is possible to obtain a sufficient contrast between the convex lens surface 12A and the periphery of the convex lens surface 12A by painting or vapor-depositing the inner lens 12, but the configuration becomes complicated and the cost is reduced. It was undeniable that this would lead to an increase in FIG. 6 is a diagram drawn in association with FIG. 5 (b) showing the embodiment of the present invention. For this reason, for descriptions other than those described above with reference to FIG. 6, refer to the descriptions regarding FIGS.

  The present invention has been made based on such circumstances, and the object thereof is a vehicular lamp that can be viewed with a single light source as if a plurality of lamps are built in spite of a simple configuration. Is to provide.

  In order to achieve such an object, according to the present invention, a new configuration is applied to a reflector so that a plurality of lamps are juxtaposed on the lamp body and viewed.

The present invention is grasped by the following composition.
(1) The vehicular lamp according to the present invention is a vehicular lamp that includes a light source, a reflector that reflects light from the light source, and a lens that is disposed on a front surface of the reflector. A plurality of first reflecting surfaces equal to or more than the number of light sources; and a second reflecting surface that is a region other than the first reflecting surface and is concave with respect to the first reflecting surface, wherein the first reflecting surface is The light from the light source is configured as a surface that emits light in a first direction that is the longitudinal direction of the vehicle, and the second reflecting surface reflects the light from the light source to an inclined surface that forms part of the concave surface. Accordingly, the light is emitted in a second direction having an inclination toward the vehicle center with respect to the first direction.
(2) In the vehicular lamp according to the present invention, in the configuration of (1), when the vehicular lamp is attached to a vehicle, the light source is disposed on the vehicle center side, and the second direction is relative to the first direction. The vehicle has an inclination toward the center of the vehicle.
(3) In the vehicular lamp of the present invention, in the configuration of (1), the reflector has a horizontally long shape extending in the width direction of the vehicle, and the first reflecting surface has a larger area than the second reflecting surface. And a plurality of the reflectors are formed along the extending direction of the reflector.
(4) The vehicular lamp of the present invention is characterized in that, in the configuration of (1), the lens is formed as a convex lens surface in a region facing the first reflecting surface.
(5) In the vehicular lamp of the present invention, in the configuration of (1), the first reflecting surface and the second reflecting surface of the reflector are formed by a metal deposition surface, and the amount of metal deposition on the second reflection surface is the first reflection surface. It is characterized by being formed less than the amount of metal deposition on the surface.

  The vehicular lamp configured as described above can be visually observed with a single light source as if a plurality of lamps are provided side by side in spite of a simple configuration.

It is sectional drawing which shows Embodiment 1 of the vehicle lamp of this invention, and is the figure which showed the path | route of the light from a light source. It is the front view which showed the headlamp (headlight) of the vehicle to which the vehicle lamp of this invention is applied. BRIEF DESCRIPTION OF THE DRAWINGS It is a block diagram which shows Embodiment 1 of the vehicle lamp of this invention, (a) is a front view, (b) is sectional drawing in the bb line of (a). It is explanatory drawing which shows metal vapor deposition at the time of forming a reflecting film in the reflector applied to this invention. It is a block diagram which shows Embodiment 2 of the vehicle lamp of this invention, (a) is a front view, (b) is sectional drawing in the bb line of (a). It is sectional drawing which shows an example of the conventional vehicle lamp.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention (hereinafter referred to as embodiments) will be described in detail with reference to the accompanying drawings. Note that the same number is assigned to the same element throughout the description of the embodiment.
(Embodiment 1)
FIG. 2 is a front view showing a headlamp of a vehicle to which the vehicular lamp of the present invention is applied. The headlamp 1 shown in FIG. 2 shows what is arrange | positioned at the left side, for example, when a vehicle is seen from the front.

  In FIG. 2, a headlamp 1 forms a lamp chamber with a housing (not shown) and an outer lens 2. For example, a low beam lamp 3, a high beam lamp 4, and a clearance lamp 10 are built in the lamp chamber. ing. The low beam lamp 3 and the high beam lamp 4 are each composed of a relatively large light source, and are arranged in parallel on the left and right (the width direction of the vehicle). The clearance lamp 10 is formed in a horizontally long shape extending left and right (in the vehicle width direction), for example, in the upper left of the headlamp 1. As will be apparent from the following description, the clearance lamp 10 includes, for example, three lamps 10A, 10B, 10C (following in the extending direction of the clearance lamp 10 in spite of having one light source. In the description, the pseudo-lambs 10A, 10B, and 10C) are arranged so as to be visible.

  FIG. 3A is an enlarged front view of the clearance lamp 10. FIG. 3B is a cross-sectional view taken along the line bb in FIG. The clearance lamp 10 constitutes a space portion by a reflector 11 formed extending in the vehicle width direction (left-right direction in the figure) and the outer lens 2 disposed on the front surface of the reflector 11. . A light source 5 is disposed between the reflector 11 and the outer lens 2. When the clearance lamp 10 is viewed from the front, the light source 5 is slightly shifted from the center of the clearance lamp 10 to, for example, the center side of the vehicle (right side in the figure). It is arranged at the position.

  The clearance lamp 10 has a first region 11P that appears relatively bright and a second region 11Q that appears relatively dark when viewed from the front. The first region 11P is, for example, three regions arranged in parallel in the extending direction of the lamp body, and each region has, for example, a circular shape. The second region 11Q is formed with an area smaller than the area of the first region 11P, and functions as a region that borders the periphery of the first region 11P. The clearance lamp 10 configured as described above is recognized as including three pseudo lamps 10A, 10B, and 10C arranged separately from each other in an area corresponding to the first area 11P. It has become. As shown in FIG. 3B, the first region 11P and the second region 11Q are viewed from the front of the vehicle by the first reflecting surface 11A and the second reflecting surface 11B formed on the reflector 11. The first area 11P looks bright and the second area 11Q looks dark.

That is, as shown in FIG. 3 (b), the reflector 11 is roughly formed of a plurality of first reflecting surfaces 11A formed in parallel in the extending direction (left and right direction in the drawing), and the first reflecting surface 11A. And a second reflecting surface 11B that is a concave surface 13 with respect to the first reflecting surface 11A. Here, the first reflecting surface 11A is formed to correspond to the first region 11P, and the second reflecting surface is formed to correspond to the second region 11Q. The first reflecting surface 11A receives incident light from the light source 5 (shown as a point light source 5 in the figure) as shown in FIG. The light is emitted in a first direction (α direction in the figure) which is the forward direction of the. FIG. 1A shows that one light beam is incident on and reflected from each of the first reflecting surfaces 11A, but in reality, each first reflecting surface 11A. The reflected light from the light is emitted in the first direction (α direction in the figure) as a light beam 25A. Further, as shown in FIG. 1 (b) drawn in association with FIG. 3 (b), the second reflecting surface 11B receives incident light from the light source 5 (shown as a point light source 5 in the figure). For example, the light is emitted in a second direction (β direction in the drawing) having an inclination on the center side (right side in the drawing) in the width direction of the vehicle. 1B shows that one light beam is incident and reflected from the light source 5 on each of the second reflecting surfaces 11B, but in reality, each of the second reflecting surfaces 11B. The reflected light from is emitted in the second direction (β direction in the figure) as a light beam 25B.
Here, the reflected light from the second reflecting surface 11B is not necessarily limited to the center side in the width direction of the vehicle, and a direction (second direction) having an inclination on the outer side (left side in the figure) of the vehicle width direction. ) May be emitted. In this case, it is easy to form the second reflecting surface 11B by disposing the light source 5 outside the vehicle in the width direction. In short, the direction of reflected light from the second reflecting surface 11B (second direction) may be inclined with respect to the direction of reflected light from the first reflecting surface 11A (first direction).

  The configuration of the reflector 11 will be described in further detail. The first reflecting surface 11A of the reflector 11 is arranged so as to be substantially parallel to the inner lens 12 when viewed roughly. When viewed in detail, the first reflecting surface 11A extends in the vertical direction (front and back direction in FIG. 3B) of the clearance lamp 10 and is arranged in parallel in the width direction (left and right direction in the figure). The strip surfaces 15 are arranged so as to form a mountain (or valley) 16 with the adjacent strip surfaces 15, and the strip surfaces 15 arranged to face the light source 5 side of the strip surfaces 15 from the light source 5. Light is emitted in the first direction (α direction in the figure). In addition, the second reflecting surface 11B of the reflector 11 is formed with a concave surface 13 having a relatively large step with respect to the first reflecting surface 11A when viewed roughly. When the concave surface 13 is viewed in detail, the concave surface 13 has an inclined surface 17 which is disposed on a part of the concave surface 13 so as to be directed toward the light source 5, and the light from the light source 5 is transmitted by the inclined surface 17. The light is emitted in two directions (β direction in the figure). The inclined surface 17 is formed to extend in the vertical direction of the clearance lamp 10 (front and back direction in FIG. 3B), for example, like the strip surface 15 of the first reflecting surface 11A.

  The reflector 11 thus configured is formed with a reflective film on the surfaces of the first reflective surface 11A and the second reflective surface 11B, for example, by performing metal vapor deposition such as aluminum vapor deposition. In this case, as shown in FIG. 4 in which a part of the reflector 11 is enlarged, the metal is deposited from substantially vertically above the first reflecting surface 11A of the reflector 11 (in the direction of arrow γ in the figure), thereby the γ direction. The amount of the metal vapor deposition film 20 (20A) can be increased in the first reflecting surface 11A arranged substantially orthogonal to the second reflecting surface 11B (particularly, with an inclination with respect to the γ direction). The amount of the metal vapor deposition film 20 (20B) on the inclined surface 17) can be reduced. When comprised in this way, a difference can be given in the light reflection amount of a 1st reflective surface and a 2nd reflective surface, and when it sees from the vehicle front, a 1st reflective surface is bright and a 2nd reflective surface is dark. You can make it visible.

As is apparent from the above description, according to the vehicular lamp according to the first embodiment, it is possible to visually observe as if a plurality of lamps are arranged in parallel with one light source, despite a simple configuration. become able to. This is because even when the clearance lamp 10 is turned off, the external light is reflected by the reflector 11 in the same manner as described above, so that it can be seen as if a plurality of lamps are arranged side by side. become.
(Embodiment 2)
In the first embodiment, since the difference in brightness between the first region 11P and the second region 11Q in the clearance lamp 10 is performed only by the reflector 11, the inner lens 12 is not particularly devised. However, the present invention is not limited to this. As shown in FIGS. 5A and 5B corresponding to FIGS. 3A and 3B, each first of the reflectors 11 of the inner lens 12 is used. Of course, for example, a convex lens surface 12A may be formed in a portion facing the reflecting surface 11A. By forming such a convex lens surface 12A, the difference in brightness between the first region 11P and the second region 11Q can be further improved.
(Embodiment 3)
In the above-described embodiment, a vehicle lamp provided with one light source 5 is taken as an example. However, the number of the light sources 5 is not limited to one and may be plural. This is because even in this case, it can be configured as if there are more lamps than the number of light sources by making a plurality of lamps exist for one light source.
(Embodiment 4)
In the above-described embodiment, the clearance lamp is described as an example. However, it goes without saying that it can be applied to other lamps such as turn lamps.

  As is apparent from the above description, according to the vehicular lamp of the present invention, it is possible to visually observe as if a plurality of lamps are arranged in parallel with a single light source, despite a simple configuration. become.

  As mentioned above, although this invention was demonstrated using embodiment, it cannot be overemphasized that the technical scope of this invention is not limited to the range as described in the said embodiment. It will be apparent to those skilled in the art that various modifications or improvements can be added to the above-described embodiments. Further, it is apparent from the scope of the claims that the embodiments added with such changes or improvements can be included in the technical scope of the present invention.

DESCRIPTION OF SYMBOLS 1 ... Headlamp, 2 ... Outer lens, 3 ... Low beam lamp, 4 ... High beam lamp, 5 ... Light source, 10 ... Clearance lamp, 10A, 10B, 10C ... Pseudo lamp, 11 ... Reflector , 11P …… first region, 11Q …… second region, 12 …… inner lens, 13 …… concave surface, 15 …… strip surface (of reflector), 16 …… mountain (of reflector), 17 …… inclined surface (Reflector), 20 (20A, 20B) ... metal vapor deposition film, 25A, 25B ... light flux.

Claims (5)

A vehicle lamp comprising: a light source; a reflector that reflects light from the light source; and a lens disposed on a front surface of the reflector,
The reflector has a plurality of first reflecting surfaces equal to or more than the number of the light sources, and a second reflecting surface that is a region other than the first reflecting surface and is concave with respect to the first reflecting surface,
The first reflecting surface is configured as a surface that emits light from the light source in a first direction that is a longitudinal direction of the vehicle,
The second reflecting surface is configured to emit light in a second direction having an inclination with respect to the first direction by reflecting light from the light source to an inclined surface constituting a part of the concave surface. A vehicular lamp characterized by the above.   The said light source is arrange | positioned in the vehicle center side, when a vehicle lamp is attached to a vehicle, The said 2nd direction has an inclination in the vehicle center side with respect to the said 1st direction. Vehicle lamps.   The reflector has a horizontally long shape extending in the width direction of the vehicle, and the first reflecting surface has a larger area than the second reflecting surface, and a plurality of the reflecting surfaces are formed in parallel along the extending direction of the reflector. The vehicular lamp according to claim 1, wherein the vehicular lamp is provided.   The vehicular lamp according to claim 1, wherein the lens is formed as a convex lens surface in a region facing the first reflecting surface. The first reflecting surface and the second reflecting surface of the reflector are formed by a metal deposition surface, and a metal deposition amount of the second reflection surface is smaller than a metal deposition amount of the first reflection surface. Item 2. A vehicle lamp according to Item 1.

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