JPH11342789A - Vehicular lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To emit the light up to the peripheral edge part of a lens while maintaining flatness, to improve an outward appearance, and to expand a light emitting range by arranging a bulb in a housing, providing the lens for passing the direct light from this bulb, and integrally molding the housing and the lens by a transparent resin. SOLUTION: This side turn signal lamp 10 is installed on a car body. A bulb 13 is arranged in a housing 14, and a lens 16 is provided to pass the direct light from this bulb 13. The housing 14 and the lens 16 are integrally molded by resin such as colored transparent or colorless transparent acrylic by blow molding. Thus, the direct light from the bulb 13 spreads to all the corners of the flat lens 16 so as to reach up to the peripheral edge part 16a of the lens 16 without being intercepted, and an outward appearance is improved without generating the dark par of lighting. The light emitting range S is wide, so that lighting visibility from the other vehicle and a pedestrian is extremely excellent.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicular lamp in which direct light from a bulb passes through a lens and lights up.

[0002]

2. Description of the Related Art Conventionally, a side turn signal lamp as shown in FIG. 4, for example, is known as a vehicular lamp which is lit by direct light from a bulb passing through a lens.

The side turn signal lamp 1 includes a bulb 3 mounted on a bulb socket 2 and a bulb 3
, A clip 5 screwed to the housing 4, and a lens 6 through which direct light from the bulb 3 passes.

The clip 5 is made of an elastic material such as resin, and plays a role of holding the side turn signal lamp 1 in a side opening of the vehicle body 7 together with the engaging projection 4a formed on the housing 4. The lens 6 is made of amber (orange) transparent acrylic or the like, and is attached and held in the opening 4b of the housing 4 by ultrasonic welding or the like.

[0005]

However, in the conventional side turn signal lamp 1, since the housing 4 is opaque, the light emission range s is limited by the relationship between the shape of the housing 4 and the mounting position of the bulb 3. was there. That is, for example, in the case shown in FIG. 4, the light L emitted from the bulb 3 is blocked by the edge 4 c of the housing 4 and does not reach the peripheral edge 6 a of the lens 6. Become.

In order to further expand the light emitting range s, the light emitting portion P of the bulb 3 is moved to a position P 'substantially on the same plane as the edge portion 4c to move the tip of the bulb 3 from the vehicle body 7. In addition to being located on the outside, the lens 6 also needs to protrude in a substantially hemispherical shape, causing a new problem that the flat shape of the side turn signal lamp 1 cannot be maintained.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has an advantage that the light is emitted to the periphery of the lens while maintaining the conventional flattening, so that the appearance is excellent and the light emission range is expanded. It is an object of the present invention to provide a vehicular lamp that can be used.

[0008]

According to one aspect of the present invention, there is provided a vehicular lamp having a housing provided with a bulb and a lens through which direct light from the bulb is transmitted. The housing and the lens are integrally formed of a transparent resin.

According to a second aspect of the present invention, there is provided a vehicular lamp having a housing provided with a bulb and a lens through which direct light from the bulb is transmitted, wherein the housing has a transparent color similar to the lens. Alternatively, it is characterized by being formed of a colorless and transparent resin.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

[0011]

Embodiment 1 FIG. 1 shows a side turn signal lamp as a vehicular lamp according to the present invention. The side turn signal lamp 10 is attached to the vehicle body 11 as described later (see FIG. 2), and is fixed to the bulb 13 attached to the bulb socket 12, the housing 14 provided with the bulb 13, and the housing 14. Clip 15
And a lens 16 through which direct light from the bulb 13 passes.

The housing 14 and the lens 16 are integrally formed by blow molding or the like using a resin such as colored transparent or colorless transparent acrylic. The color of the resin can be appropriately selected according to the function and design of the lamp, but here, an amber color is adopted because the lamp is a turn signal lamp.

A fitting recess 14a is formed substantially at the center of the rear side of the housing 14. In this fitting recess 14a,
Fitting flange portion 12a formed on valve socket 12
Are fitted, and the valve 13 is connected to the central portion 14 of the housing 14.
b.

The housing 14 has an inclined wall 1 such that a central portion 14b thereof and a peripheral portion 16a of the lens 16 are continuous.
4c and 14d are formed. On the back side of the inclined wall 14c located on the right side in FIG. 1, a screw hole 14e is formed. On the back surface of the inclined wall 14d located on the left side in FIG.
g is formed.

The clip 15 is screwed to the rear side of the inclined wall 14c by a screw 17 screwed into the screw hole 14e. The clip 15 is an elastic molded product made of resin or the like, and has an engaging portion 15a at a position substantially symmetric with the engaging convex portion 14f with the valve 13 interposed therebetween.

This side turn signal lamp 10 is
As shown in FIG. 2, a pair of left-right symmetrical ones is provided on each of the left and right sides of the vehicle body 11. It plays a role in recognizing in advance.

The side turn signal lamp 10 is mounted on the vehicle body 11 while the packing 18 is sandwiched between the peripheral edge 14h of the housing 14 and the engaging projection 14f.
Is engaged with the vehicle body panel 11a, and the vehicle body panel 11a on the opposite side to the vehicle body panel 11a with which the engagement protrusion 14f is engaged.
Urges the engaging portion 15a. The power supply connector is connected to a lighting control circuit that controls lighting of the bulb 13 according to operation of a turn signal switch in a driver's seat.

In the side turn signal lamp 10 according to the present embodiment, of the direct light from the bulb 13 which is not blocked by the housing 14, the light L1 is directly transmitted through the lens 16 and recognized from the outside. On the other hand, valve 13
Out of the direct light from the housing that is blocked by the housing L2
Since the housing 14 is transparent, it passes through the inside of the housing 14 and emits light at the peripheral portion 16a of the lens 16 to be recognized from the outside. For example, in FIG. 1, the direct light L2 'travels along the inclined wall 14d while being repeatedly reflected inside the inclined wall 14d, and is guided to the peripheral edge 16a of the lens 16.

Therefore, the bulb 13 is moved to the outside in the width direction of the vehicle body 11 so that the direct light from the bulb 13 reaches the peripheral portion 16a of the lens 16 without being interrupted. , Housing 1
Even if the shape of 4 and the mounting position of the bulb 13 are not delicately adjusted, the direct light spreads to every corner of the flat lens 16, and the side turn signal lamp 10 looks good without producing a dark portion of lighting. Excellent.

Further, since the direct light reaches all corners of the lens 16 in this manner, the side turn signal lamp 1
0 indicates that the light emission range S is wide and the visibility of lighting from other vehicles or pedestrians is extremely good.

[0021]

Embodiment 2 FIG. 3 shows another example of the side turn signal lamp according to the present invention. Here, the same or equivalent parts as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

In the side turn signal lamp 20, the housing 21 and the lens 22 are formed separately. The lens 22 is formed of an amber transparent resin, and the housing 21 is formed of a transparent resin similar to the lens 22 (that is, a transparent resin having an amber color or a color similar thereto) or a colorless transparent resin. I have. The housing 21 and the lens 22 are appropriately joined by a conventionally known method.

In the side turn signal lamp 20 according to the present embodiment, as in the case of the side turn signal lamp 10, of the direct light from the bulb 13 which is blocked by the housing 21, L2 is transparent. Therefore, the light passes through the inside thereof, causes the peripheral portion 22a of the lens 22 to emit light, and is recognized from the outside. At this time, the housing 2
Since 1 is formed of a transparent resin or a colorless transparent resin similar to the lens 22, the direct light L2 that passes through the housing 21 and is colored based on the color of the housing 21 is
Further, after passing through the lens 22, the direct light L1 having passed through only the lens 22 has a color that does not cause a feeling of strangeness.

Further, by applying a light-shielding coating to the inner surface or the outer surface of the housing 21, the lighting area of the side turn signal lamp 20 can be arbitrarily controlled.

[0025]

As described above, since the housing of the vehicle lamp according to the present invention is formed of a transparent resin, the light is emitted up to the peripheral portion of the lens while maintaining the conventional flatness. It is possible to improve the appearance and expand the light emission range.

[Brief description of the drawings]

FIG. 1 is a horizontal sectional view showing a vehicular lamp according to the present invention.

FIG. 2 is an explanatory view showing an application example of the vehicle lamp of FIG. 1;

FIG. 3 is a horizontal sectional view showing another example of the vehicular lamp according to the present invention.

FIG. 4 is a horizontal sectional view showing a conventional vehicular lamp.

[Explanation of symbols]

10,20 Side turn signal lamp (vehicle lamp) 13 Bulb 14,21 Housing 16,22 Lens

Claims (2)

[Claims] 1. A vehicular lamp having a housing provided with a bulb and a lens through which direct light from the bulb passes, wherein the housing and the lens are integrally formed of a transparent resin. Vehicle lighting device characterized by the above-mentioned. 2. A vehicular lamp having a housing provided with a bulb and a lens through which direct light from the bulb passes, wherein the housing is formed of a transparent colorless or colorless transparent resin similar to the lens. A vehicular lamp characterized by being made.