JPH0950702A - Automobile marker lamp - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve visibility in the front of a head lamp by shading a light going toward the display part lower region of a front lens by a shade as an automobile marker lamp. SOLUTION: The upper edge part of a shade 40 extended left and light in the front side of a bulb 34 as a light source is positioned on an optical axis L and a light emitted from the filament of the bulb 34, reflected by a reflector 32 and sent toward the lower region 12b2 of a display part center O3 when the shade 40 is not provided and a vertical light sent from the filament of the bulb 34 to the lower region 12b2 are shaded. Accordingly, the amount of emitted light is reduced in the lens lower region 12b2 , thus illumination by a signal lamp 30 on a road surface C in the car body side is reduced more than the limit P1 of an illuminating region A by a head lamp 18 in the vicinity of the car body and therefore, no relative darkening of a region A1 in the vicinity of the car body on the road surface illuminated by the head lamp is felt by a driver. That is, the display center O3 of the signal lamp 30 becomes a position O'3 by providing the shade 40, this part is not illuminated by the lamp 30 in the side C in the vicinity of the car body and thus the region A illuminated by the head lamp 18 becomes brighter.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a marker light for an automobile, and more particularly to a marker light such as a front turn signal lamp and a clearance lamp provided at a position below a front end of a vehicle body of the automobile.

[0002]

2. Description of the Related Art Marking lights of this type, such as front
As shown in FIG. 18, the signal lamp is a container-shaped lamp.
The front lens 2 is attached to the front opening of the body 1.
Light room S ₁Is defined, this lamp room S₁Inside, the light source
A parabolic surface that reflects the light emitted from the bulb 3 and bulb 3 forward.
It has a structure in which the deflector 4 is provided. Valve 3
Most of the light emitted from the
Spread by the diffusion step 2a formed on the back surface of the lens 2.
Scattered light L₁However, a part of the light emitted from the bulb 3 is
Directly illuminate the front lens 2 and diffuse light distribution L by the front lens
₂And some light is reflected on surfaces other than the reflector.
After being reflected by 6 and 7, diffused light distribution L by the front lens
_ThreeIs done. Reference numeral 5 is an amber that surrounds the valve 3.
It is a colored globe.

[0003]

As shown in FIG. 19, the turn signal lamp, which is the above-mentioned sign lamp, is generally provided at a position close to a headlamp for an automobile. For this reason, when the turn signal lamp is turned on together with the headlamp, the road surface around the vehicle body vicinity limit P _{1 in} the headlamp illumination area A is also illuminated by the turn signal lamp, so that the driver is illuminated by the headlamp. On the other hand, there is a problem in that the area A ₁ near the vehicle body on the road surface is felt relatively dark and the visibility in front of the vehicle is deteriorated. The symbol B indicates an illumination area of the turn signal lamp.

It is possible to improve the visibility in the front by moving the mounting position of the turn signal lamp further upward, but the display portion center of the marker lamp is higher than the display portion center of the headlamp. Since there is a restriction on the road traffic law that it should not be located at, there was a limit to improving the visibility in the front by installing the indicator light above.

The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to provide an automobile marker lamp which does not reduce the visibility in front when the headlamp is turned on.

[0006]

In order to achieve the above object, the marker light for an automobile according to a first aspect of the present invention is defined by a front lens being attached to a front opening of a container-shaped lamp body. With a structure in which a light source and a parabolic-shaped effective reflection surface that reflects the light from the light source are provided in the lamp chamber,
In a marker light for an automobile mounted below a front end portion of a vehicle body, a light blocking member for blocking light reflected by the effective reflection surface and traveling toward a lower area of a display portion of a front lens is provided in a front position of a light source in the lamp chamber. It was done like this. The light reflected by the effective reflection surface and traveling toward the lower area of the display portion of the front lens is blocked by the light blocking member,
The amount of light emission in the lower area of the display portion of the front lens is reduced. Therefore, the display center of the front lens moves upward,
The illuminance due to the marker lights on the road surface on the vehicle body side is reduced from the vehicle body side limit P ₁ of the headlamp illumination area A, and the driver is made to make the vehicle body vicinity area A ₁ of the road surface illuminated by the headlamps relatively dark. (See FIG. 11). According to a second aspect of the present invention, in the vehicle marker light according to the first aspect, the light shielding member is attached to the inside of the lower wall of the lamp body so as to project into the lamp chamber. Can be attached to. Further, it is possible to make a marker light having different specifications depending on whether or not the light shielding member is attached. According to a third aspect of the present invention, in the vehicle sign light according to the first aspect, the light shielding member is formed integrally with the lower wall of the lamp body so as to project into the lamp chamber, and the number of lamp component parts increases. There is nothing, and the structure is simple. According to a fourth aspect of the present invention, in the marker light for an automobile according to the first aspect, the light shielding member is constituted by a light shielding film formed inside the lower region of the display portion of the front lens, and the structure is very simple. ,
It can be easily applied to conventional marker lights. According to a fifth aspect of the present invention, in the vehicle sign light according to the first aspect, the effective reflection surface is located behind the light source, and the first reflection surface corresponding to the upper region of the display portion of the front lens and the light source are provided. It is composed of a second reflecting surface located in the front and corresponding to the lower area of the display portion of the front lens, and blocks the direct light from the light source to the second reflecting surface at the upper edge position of the second reflecting surface. The light shielding member is formed so as to extend forward, and since the second reflecting surface is separated from the front lens, the entire lamp chamber can be seen with a uniform depth when not lit.

[0007]

Next, embodiments of the present invention will be described based on examples. 1 to 11 show a first embodiment of the present invention. FIG. 1 is a front view of a front combination lamp in which a turn signal lamp and a clearance lamp are integrated according to the first embodiment of the present invention. ,
2 is a horizontal sectional view of the lamp (a sectional view taken along line II-II shown in FIG. 1), and FIG. 3 is a vertical sectional view of the lamp (a line shown in FIG. 1).
FIG. 4 is a front view of the shade attached to the lamp body, FIG. 5 is a plan view of the shade, FIG. 6 is a bottom view of the shade, and FIG. 7 is a vertical cross-sectional view of the shade. (Cross-sectional view taken along line VII-VII shown in FIG. 4), FIG. 8 is a vertical cross-sectional view of the shade (cross-sectional view taken along line VIII-VIII shown in FIG. 4), and FIG. 9 is a relationship between the shade and the lamp body. FIG. 10 is an enlarged perspective view showing a joint portion, FIG. 10 is an enlarged cross-sectional view of a shade-slide groove engaging portion, and FIG. 11 is a diagram showing a headlamp and an illumination area on a road surface of the lamp according to the present embodiment.

In these drawings, reference numeral 10 is a front combination lamp in which a clearance lamp 20 and a turn signal lamp 30 are integrated, and a front bumper 16 extending in the left-right direction is located below the front end of the vehicle body of the automobile. Integrated front bumper 16
Is arranged in the vicinity of the headlamp 18 arranged above. Reference numeral 17 is a recess formed in the front bumper 16, and the lamp 10 is housed in the recess 17.

Reference numeral 21 is a container-shaped lamp body of the clearance lamp 20, reference numeral 31 is a container-shaped lamp body of the turn signal lamp 30, and both left and right adjacent lamp bodies 21 and 31 of the combination lamp 10. The lamp body 11 is integrally formed. A metal reflector 22 having a surface aluminum vapor-deposited thereon is fixed and integrated to the inner peripheral surface of the lamp body 21 by a screw 21a, and an inner peripheral surface of the lamp body 31 is
A parabolic reflector 32 that has been subjected to aluminum vapor deposition is integrally formed, and one clear front lens 12 is attached to the front opening of the lamp body 11 (21, 31) so that both lamps 20 , 30 of the lamp chambers S ₂ and S ₃ are defined, and the bulb insertion holes 23 and 33 provided at the rear apexes of the lamp bodies 21 and 31 have bulbs 24 and 3 as light sources.
4 is inserted. Reference numerals 12a and 12b are lens areas (hereinafter, referred to as display portions) corresponding to the reflectors 24 and 34 of the clearance lamp 20 and the turn signal lamp 30, and reference numerals O ₂ and O ₃ do not include a shade 40 described later. Display 12 of each lamp 20, 30 in the case
The centers of a and 12b (hereinafter referred to as the display center) are shown.
Reference numeral 36 is a cup-shaped amber colored globe that surrounds the valve 34, and the open end of the colored globe 36 is screwed to the peripheral edge of the valve insertion hole 33.

Reference numeral 40 indicates the turn signal lamp 30 in order to reduce the road surface illuminance of the turn signal lamp 30 near the vehicle body in order to improve the visibility on the road surface near the vehicle body illuminated by the headlamp 18.
The shade is attached and integrated in the lamp body 31 of FIG. As shown in FIGS. 4 to 10, the shade 40 is formed by bending a sheet metal, has a substantially L-shaped vertical section, and has a predetermined length that is in close contact with the lower surface wall 31a and the left and right side walls inside the lamp body 31. In addition, the shade bottom wall 41 has a tongue-shaped engagement piece 43 sandwiched by a pair of left and right notches 42, 42.
Are provided at two locations in the left-right direction. Further, a downward protrusion 44 bulging downward is formed near the tip of the tongue-shaped engaging piece 43, and a plurality of left-right directions are formed in a region where the tongue-shaped engaging piece 43 of the shade bottom wall 41 is not formed. An upper protrusion 45 that bulges upward is formed at the location.

On the other hand, as shown in FIG. 9, the lamp body 3
The lower surface wall 31a of FIG.
In addition, an inverted L-shaped frame 37a having a cross section extending forward from the position of the step 31b and facing left and right is projectingly provided in this lower region of the lower surface wall 31a of the lamp body. A slide groove 37 is formed in which the joint piece 43 can be slidably engaged, and at a position corresponding to the lower protrusion 44 (upper protrusion 45) on the shade 40 side, a recess 38 (which is aligned with the lower protrusion 44 (upper protrusion 45)) is formed. Convex part 3
9) is formed.

From the front opening side of the lamp body 31, the tongue-shaped engaging piece 43 is engaged with the L-shaped frame 37a and pushed in along the slide groove 37. Of the shade 40 abuts on the step 31b on the lower surface wall 31a side of the lamp body, and at the same time, the left and right side portions of the shade 40 abut on the left and right side walls of the lamp body 31, and the shade 4
The lower protrusion 44 (upper protrusion 45) of 0 is the lamp body 31.
By engaging with the concave portion 38 (the convex portion 39) on the side, the shade 40 is positioned in the front-rear and left-right directions and prevented from coming off, and
The tip end portion 43a of the tongue-shaped engagement piece 43 of the shade 40 is elastically supported in the slide groove 37 so as not to rattle.
As described above, in this embodiment, the shade 40 can be easily attached and integrated to the lower surface wall 31a of the lamp body.

A bent portion 40b extending parallel to the shade bottom wall 41 is formed at the upper edge of the shade 40. When the shade 40 is assembled to the lamp body lower surface wall 31a, an operator bends the bent portion 40b.
Is a part for making it easy to grasp. Further, the tip portions 41a, 43a of the bottom wall 41 of the shade 40 are bent and extend obliquely upward, and when the tongue-shaped engagement piece 43 is inserted into the slide groove 37, the lamp body Bottom wall 31a
It is designed so as not to hurt.

It extends to the left and right in front of the valve 34.
As shown in FIG. 3, the upper edge of the shade 40 has an optical axis.
It is located on L and is emitted from the filament of the bulb 34.
Reflected by the deflector 32, the shade 40 is not provided.
Case display center O_ThreeArea 12b below₂Light towards
And lower region 12b from filament of valve 34 ₂
Blocks direct light to. Therefore, the lower area 1 of the lens
2b₂The amount of light emission in FIG.
As shown in FIG.
Vehicle body vicinity limit P₁Turn on road surface C closer to the vehicle
The illuminance due to the signal lamp 30 decreases, and the headlamp
Area A near the vehicle body on the road surface illuminated by₁To the driver
It doesn't feel relatively dark.

That is, as shown in FIG. 3, the center of the display portion of the turn signal lamp 30 is changed from the O ₃ position without the shade 40 to the O ₃ 'position by providing the shade 40. Therefore, as shown in FIG.
The illumination region B of the turn signal lamp 30 partially overlaps the illumination region A of the headlamp 18, but is illuminated by the clearance lamp 20 on the vehicle body side C of the illumination region of the headlamp 18 near the vehicle body limit P _1. Although it is not illuminated by the turn signal lamp 30, the illuminance in this region C is reduced, and the region A ₁ near the vehicle body illuminated by the headlamp 18 is made to appear relatively bright, thereby enhancing the visibility.

The surface of the shade 40 is subjected to the same aluminum vapor deposition process as the reflector 32. When the front lens 12 is seen through, the entire lamp chamber S ₃ looks like a metal color, so the shade 40 is Although the inside of the lamp chamber S ₃ is actually narrowed by being attached, the depth feeling is almost the same as when the shade 40 is not provided. In the above embodiment, the turn signal lamp 30 of the combination lamp 10 is used.
To provided shade 40, but is adapted to adjust only the road surface illuminance by the turn signal lamp 30, a light emission amount in the lower region than the display unit the center O ₂ of the front lens 12a only by providing a shade clearance lamp 20 The road surface illuminance may be adjusted in order to reduce the visibility or to provide a shade on both the lamps 20 and 30 to enhance the visibility of the headlamp illumination area.

12 and 13 are views showing a main part of a turn signal lamp according to a second embodiment of the present invention.
2 is an enlarged perspective view showing an engaging portion between the shade and the lamp body, which is a main part, and FIG. 13 is a sectional view of the engaging portion on the lamp body side (a sectional view taken along line XIII-XIII shown in FIG. 12). is there. In the second embodiment, the shape of the shade 40A is almost the same as that of the first embodiment, but the structure of the engaging portion between the shade 40A and the lamp body 31 is the same as that of the first embodiment. The structure of the engaging portion between the lamp body and the lamp body is slightly different. That is, shade 40A
Similar to the first embodiment, the bottom wall 41 has a lower projection 44 and an upper projection 45, but does not have the tongue-shaped engagement piece 43. Further, on the lower surface wall 31 a of the lamp body, a pressing member 60 capable of engaging with the upper protrusion 45 is provided on the lower surface wall of the lamp body instead of the slide groove 37 formed by the inverted L-shaped cross section corresponding to the tongue-shaped engaging piece 43. It is formed so as to extend forward from the position of the step portion 31b of 31a,
An insertion space for the bottom wall 41 of the shade 40A is formed between the pressing member 60 and the lamp body lower surface wall 31a.

Others are the same as those in the first embodiment,
The description will be omitted by giving the same reference numerals. FIG.
4 shows a vertical sectional view of a turn signal lamp which is a third embodiment of the present invention. In the first and second embodiments, the shades 40, 40A are the bottom wall 31 of the lamp body.
Although the structure is attached to the inside of a, the shade 40B is formed integrally with the lamp body 31 in the present embodiment. That is, the shade 40B is constituted by the bulging portion having an inverted V-shaped vertical cross section which is integrally formed on the lower surface wall 31a of the lamp body by integral molding, and the number of parts constituting the lamp is small accordingly. I'm sorry. On the surface of the shade 40B, the reflector 3
The same aluminum vapor deposition process as in No. 2 is applied.

Further, instead of the colored globe 36 in the first embodiment, the glass bulb of the bulb 34A has an amber-colored structure. The other points are the same as those in the first embodiment, and the description thereof will be omitted by giving the same reference numerals. FIG. 15 shows a vertical sectional view of a turn signal lamp according to a fourth embodiment of the present invention.

In the fourth embodiment, a parabolic riff is used.
Lector 32b is located behind valve 34A and
Upper area 12b of the display portion 12b of the lens₁Corresponding to
1 reflector 32b₁And on the lower front of the valve 34A
The lower area 12b of the display portion 12b located₂Corresponding to
2 reflector 32b₂And the light room S _Three
It gives a sense of depth to the whole.

A shade 40C extending forward is formed at the upper edge position of the second reflector 32b ₂ .
Of the light emitted from the bulb 34A, the second reflector 32b
_The light heading for ₂ is blocked by this shade 40C. Therefore, the lower area 1 of the display portion 12b
The 2b _2, not guided light reflected by the reflector 32 b _2, further is shielded by a portion also shade 40C of the direct light directed from the valve 34 to the lower region 12b _2, in the lower region 12b ₂ of the display unit 12b The amount of light emission is reduced.

That is, the direct light from the bulb 34 and the reflected light from the ceiling surface 32b ₃ which is an ineffective reflection surface are guided to the lower area 12b ₂ of the display portion 12b of the front lens. since the amount of light compared to the light reflected by the second reflector 32 b ₂ is weak, as compared with the case where light reflected by the second reflector 32 b ₂ is guided, lower the amount of light emitted in the lower region 12b ₂ of the display unit 12b Therefore, the light emission of the turn signal lamp does not impair the visibility in the headlamp illumination region near the vehicle body.

Others are the same as those in the third embodiment,
The description will be omitted by giving the same reference numerals. FIG. 16 shows a vertical sectional view of a turn signal lamp according to a fifth embodiment of the present invention. In this embodiment, a shade 40D, which is a light-shielding coating of silver color, is provided inside the lower region 12b ₂ of the display unit 12b of the front lens 12 so that the amount of light emission in the lower region 12b ₂ of the display unit is almost zero. There is.

Others are the same as those in the first embodiment,
The description will be omitted by giving the same reference numerals. FIG. 17 shows a vertical sectional view of a turn signal lamp according to a sixth embodiment of the present invention. In this embodiment, a region corresponding to the lower region 12b ₂ of the display portion 12b of the front lens 12 on the rear wall of the lamp body 31 is bulged forward to a position approaching the front lens 12, and this front bulge portion is formed. Three
1b has a structure that forms a shade 40E that blocks light traveling toward the display lower region 12b ₂ . Therefore, the vertical height of the lamp body 31 is reduced, and the space for accommodating the lamp on the vehicle body side is accordingly reduced.

Others are the same as those in the fourth embodiment,
The description will be omitted by giving the same reference numerals.

[0026]

As is apparent from the above description, according to the marker light for an automobile of the present invention, the shade blocks the light traveling toward the lower area of the display portion of the front lens, so that the vicinity of the vehicle body by the marker light is blocked. The illuminance on the road surface decreases, and the road surface near the vehicle body illuminated by the headlamps looks relatively bright, and the visibility of the driver is improved. In the third aspect, since the shade is integrally formed on the lamp body, the number of lamp component parts does not increase and the lamp structure is not complicated. According to the fourth aspect, since the shade is formed by the light-shielding coating, the number and weight of the lamp component parts do not increase, and the lamp structure is not complicated. Claim 5
Since the interior of the lamp chamber becomes smaller in the vertical direction, the space for mounting the marker lamp and the lamp on the vehicle body side can be reduced, and the degree of freedom in selecting the position of the marker lamp is increased accordingly.

[Brief description of drawings]

FIG. 1 is a front view of a combination lamp that is a first embodiment of the present invention.

FIG. 2 is a horizontal sectional view of the lamp (a sectional view taken along line II-II shown in FIG. 1).

FIG. 3 is a longitudinal sectional view of the same lamp (line III-III shown in FIG. 1).
Cross section along)

FIG. 4 is a front view of a shade attached to a lamp body.

FIG. 5 is a plan view of the shade.

FIG. 6 is a bottom view of the shade.

FIG. 7 is a vertical sectional view of the shade (a line VII-V shown in FIG. 4).
Sectional view along II)

FIG. 8 is a longitudinal sectional view of the shade (a line VIII-shown in FIG. 4).
(Cross-section view along VIII)

FIG. 9 is an enlarged perspective view showing an engaging portion between the shade and the lamp body.

FIG. 10 is an enlarged sectional view of an engaging portion between a shade and a slide groove.

FIG. 11 is a diagram showing an illumination area on the road surface of the headlamp and the lamp shown in the first embodiment.

FIG. 12 is an enlarged perspective view showing an engaging portion between a shade and a lamp body, which is a main portion of a turn signal lamp according to a second embodiment of the present invention.

FIG. 13 is a sectional view of a lamp body side engaging portion (a sectional view taken along line XIII-XIII shown in FIG. 12).

FIG. 14 is a vertical sectional view of a turn signal lamp according to a third embodiment of the present invention.

FIG. 15 is a vertical sectional view of a turn signal lamp according to a fourth embodiment of the present invention.

FIG. 16 is a vertical sectional view of a turn signal lamp according to a fifth embodiment of the present invention.

FIG. 17 is a vertical sectional view of a turn signal lamp according to a sixth embodiment of the present invention.

FIG. 18 is a vertical sectional view of a conventional turn signal lamp.

FIG. 19 is an explanatory view for explaining how the conventional turn signal lamp makes the illumination by the headlamp feel dark.

[Explanation of symbols]

10 Combination Lamp 11 Lamp Body 12 Front Lens 12b Display 12b ₂ Lower Area of Display 31 Lamp Body 34, 34A Light Source Bulb 32b ₁ First Reflecting Surface (Reflector) 32b ₂ Second Reflecting Surface (Reflector) 40 , 40A, 40B, 40C, 40D, 40E Shade O ₃ Center of display section without shade O ₃ 'Center of display section with shade S ₃ light room

Claims (5)

[Claims] 1. A light source and a parabolic-shaped effective reflection surface for reflecting the light from the light source in a lamp chamber defined by a front lens attached to a front opening of a container-shaped lamp body. With the structure provided, in a vehicle marker light mounted below the front end of the vehicle body, at the position in front of the light source in the lamp chamber, the light reflected by the effective reflection surface and directed toward the lower area of the display portion of the front lens. A marker light for an automobile, comprising a light-shielding member for shielding the light. 2. The marker lamp for an automobile according to claim 1, wherein the light shielding member is attached to an inner surface of a lower surface wall of the lamp body and projects into the lamp chamber. 3. The vehicle marker lamp according to claim 1, wherein the light shielding member is integrally formed with a lower wall of the lamp body and projects into the lamp chamber. 4. The indicator lamp for an automobile according to claim 1, wherein the light-shielding member is formed of a light-shielding film formed inside the lower region of the display portion of the front lens. 5. The effective reflection surface is located behind the light source and corresponds to an upper region of the display portion of the front lens, and the effective reflection surface is located in front of and below the light source, and the effective reflection surface of the display portion of the front lens is located. The second light-reflecting surface corresponding to the lower region, and the light-shielding member is formed so as to extend forward at the upper edge position of the second light-reflecting surface, and direct light is emitted from the light source toward the second light-reflecting surface. The vehicle indicator light according to claim 1, wherein the light is blocked.