KR0160559B1 - Automobile headlamp with extention reflector mounted on the front lens - Google Patents

Abstract

Automotive headlights include a lamp body having a front opening, a headlight body having a light source and a reflector provided inside the lamp body, a cosmetic reflector provided around the headlight body to cover the inside of the lamp body, and having a mirror surface; A front lens engaged with the front opening of the body.

The front lens includes a plurality of thick portions formed on the sidewalls of the front lens and a step on the inner surface of the sidewall of the front lens to reduce the distance between the sidewalls and the front edges. Combined.

Description

Car headlights

1 is a front view of the automotive combination headlight of the present invention.

FIG. 2 is a horizontal sectional view taken along the line II-II of FIG.

3 is a vertical sectional view taken along line III-III of FIG.

4 is a vertical section taken along the line IV-IV of FIG.

5 is a vertical sectional view taken along the line V-V of FIG.

6 is a vertical section taken along the line VI-VI of FIG.

7 is an exploded perspective view illustrating the screwing up of the expansion reflector and the front lens.

8 is an exploded perspective view showing the essential parts of the first embodiment of the conventional headlamp.

9 is an exploded perspective view showing essential parts of a second embodiment of a conventional headlamp.

* Explanation of symbols for the main parts of the drawings

10 lamp body 11: front lens

12: seal leg 13, 15, 23, 25: aiming screw

20: first headlight body 24, 34: incandescent bulb

30: second headlight body 40: clearance lamp body

50: direction indicator lamp body 60: extended reflector

62: bracket

[Background of invention]

[Field of Invention]

The present invention relates to an automotive headlight provided in a lamp body such that an expansion reflector with a mirror surface covers a part disposed around the headlight body.

[Prior art]

8 shows a first embodiment of a conventional headlamp of this type. The projection headlight main body 2 composed of the reflector, the light source and the transparent lens is fixed by screws to the front of the lamp main body 1.

An expansion reflector 4 having a mirror surface that reflects in color surrounds the headlight body 2, conceals the inner surface of the lamp body 1, and provides a mirror or the like to see the entire interior of the lamp body 1. . As shown in FIG. 8, the leg 4a extending from the expansion reflector 4 engages with the engagement deflection 1a formed in the lamp body 1, and faces the edge portion where the leg 4a extends. The edge portion of the expansion reflector 4 is fixed to the lamp body 1 with a screw 5 to firmly fix the expansion reflector 4 to the lamp body 1. Furthermore, the circular reflector 4b is formed in the expansion reflector 4. When the expansion reflector 4 is fixed to the lamp body 1 in the above-described manner, the front end of the headlight main body 1 goes to the circular hole 4b of the expansion reflector 4.

The second embodiment of the conventional headlamp as described in Japanese Utility Model Publication No. 6-13008 as shown in FIG. 9 includes a thick portion 6a formed on the inner surface of the side wall of the front lens 9. , The expansion reflector 7 is firmly fixed to the thick portion 6a of the front lens 9 with a screw 8.

In the first embodiment of the conventional headlamp, the expansion reflector 4 is fixed to the rear wall of the lamp body 1 even though it is spaced far from it. Therefore, it is necessary to provide the long legs 4a extending from the expansion reflector and to form the expansion reflector support on the lamp body 1. That is, the conventional headlamp has a disadvantage in that the structure is complicated, and the long legs 4a vibrate to generate a hitting noise.

In general, the headlamp is designed such that the headlight body 2 moves relative to the lamp body 1 by the aiming mechanism. Therefore, the expansion reflector 4 is designed in consideration of the moving angle of the headlight main body 2, that is, it does not collide with the headlight main body 2. Therefore, the conventional headlamp has a disadvantage in that the shape design of the expansion reflector is limited and the lamp body is unnecessarily bulky.

The second embodiment of the headlamp does not have the same disadvantages as the first embodiment. However, there is also a problem that the thick portion 6a of the front lens 9 fastened by the coupling screw is seen through the front legs 9, that is, the appearance of the headlamp is poor.

[Overview of invention]

In view of the above points, it is a first object of the present invention to provide an automotive headlamp in which the expansion reflector is firmly fixed to the front lens to prevent vibration and to reduce the size of the lamp body.

It is a second object of the present invention to provide an automotive headlight having a member for fixing the expansion reflector to the front lens without deteriorating the appearance of the headlight.

In order to achieve the above object, a first aspect of the present invention encompasses a lamp body including a front opening, a headlight body having a light source and a reflector provided inside the lamp body, and a headlight body to cover the inside of the lamp body. An automotive headlight having an extended reflector having a mirror surface and a front lens engaged with the front opening of the lamp body is provided. The front lens comprises a step formed on the sidewall of the front lens to reduce the distance between the sidewall and the sidewall front edge, and a plurality of thick portions formed behind the step on the inner surface of the sidewall of the front lens, wherein the expansion reflector Is screwed on the part.

A second aspect of the present invention provides the automotive headlamp of the first aspect in which the outer surface of the sidewall of the front lens is coated with a light blocking material.

A third aspect of the present invention further includes an auxiliary lamp chamber and an auxiliary lamp body provided with an automotive headlight adjacent to the headlight body inside the lamp body, wherein the expansion reflector is integrally formed with a portion of the auxiliary lamp chamber. Provide headlights.

The expansion reflector disposed around the headlight body is screwed to the sidewall of the front lens in a number of positions so that the sidewall is located closer to the expansion reflector than the lamp body. Therefore, the headlamp of the present invention does not limit the design of the shape of a conventional headlamp, for example, including the first example of a conventional automotive headlamp, since an extended reflector is not necessary for the long leg extended body coupled to the lamp body. The headlamp of the invention has a simple structure.

Moreover, it does not increase the size of the lamp body.

In general, in automotive headlights, the front lens has a thin wall thickness, and thus cannot form a screw hole in the wall. On the other hand, in the headlamp of the present invention, the thick portion is formed on the inner surface of the side wall of the front lens, and the screw life is formed in the thick portion to use the screw to couple the expansion reflector to the lens. Thus, in this headlamp, the expansion reflector is well fixed.

The thick portion formed on the inner surface of the sidewall of the front lens is brought by a step formed on the sidewall of the front lens, ie it cannot be seen through the front wall of the front legs.

In the headlamp of the second aspect of the present invention, the engaging portion where the expansion reflector and the front lens are screwed to each other is covered by a light blocking material coated on the outer surface of the side wall of the front lens.

In the headlamp of the third aspect, the expansion reflector is integrally formed with a member that is part of the lamp chamber of the auxiliary lamp.

Detailed Description of the Preferred Embodiments

DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention will be described with reference to the accompanying drawings.

1 to 7 show an embodiment of the present invention. 1 is a front view of a vehicle combination headlamp.

FIG. 2 is a horizontal sectional view (taken along the line II-II in FIG. 1) of the headlamp shown in FIG. 3 to 6 are vertical views taken along the lines III-III, IV-IV, V-V and VI-VI of FIG. 1, respectively. 7 is an exploded perspective view illustrating the screwing up of the expansion reflector and the front lens.

In these figures, the cup-shaped lamp body 10 has a front opening. The front lens 11 engages the front opening of the lamp body 10, thereby forming a lamp chamber bent laterally from the front. Also in the figure the seal groove 10a is formed in the edge of the front opening of the lamp body 10. The seal leg 12 is formed on the front edge of the side wall of the front lens 11 that meshes with the seal groove 10a. A first headlight main body 20 for generating a main beam, a second headlight main body 30 for generating a main beam and a low beam, a clearance lamp main body 40 and a direction indicating lamp The main body 50 is arranged in parallel in the lamp chamber formed by the lamp main body 10 and the front leg 11.

The first headlight main body 20 includes a parabolic reflector 22 surface-treated with aluminum or the like by vacuum vaccum deposition, and an incandescent lamp 24 fitted into a bulb insertion hole formed in the parabolic reflector 22. Light emitted from the incandescent bulb 24 is reflected by the parabolic reflector 22 and exits in front as a parallel beam, and is appropriately sprayed by the light dispersion control step S ₂ formed on the rear surface of the front lens 11. do.

The second headlamp main body 30 combines a reflector 32 in the form of an ellipsoid, an incandescent bulb 34 fitted into a bulb insertion hole formed in the reflector 32, and a lens holder 35 with the front opening of the reflector 32. Is composed of a projection lamp unit including a projection lens 36. A low beam forming light blocking plate 37 is located inside the lens holder 35 at the second focus of the projection lens 36. The light shielding plate 37 blocks a portion of the light beam traveling from the reflector toward the projection lens 36 to form a low beam. The upper edge of the light shielding plate 37 forms a clear boundary of the furnace beam. That is, the light beams of the first and second headlamp bodies 20, 30 are superimposed to form a main beam, and the light beams of the second headlamp body provide a low beam.

The first headlight body 20 is supported by a pair of aiming screws 13, 15 and one ball joint 17 so as to be movable relative to the lamp body 10, and the second headlight body 30 is also a pair. Is supported by the aiming screws (23, 25) and one ball joint (27).

The pair of nuts 14, 16 engage with the aiming screws 13, 15, respectively.

Similarly, nuts 24 and 26 are engaged with aiming screws 23 and 25, respectively.

The support 17b supports the ball portion 17a formed on the rear wall of the lamp body and is coupled to the reflector 22. Similarly, the support 27b supports the ball portion 27a formed on the rear wall of the lamp body and is coupled to the reflector 32. That is, the headlight main body 20 is supported so as to be movable about the horizontal side Lx and the vertical axis Ly as shown in FIG. 1, and the headlight main body 30 is the horizontal side Lx and the vertical axis Ly. Is supported to move relative to the

Therefore, the headlight main bodies 20 and 30 can adjust the illumination direction by rotating the aiming screws 13 and 15 and 23 and 25, respectively.

The clearance lamp main body 40 extends vertically and has a reflector 42 having a plurality of reflecting surfaces 42a, and a bulb insertion hole formed in the rear wall of the lamp main body 10 so as to project toward the front of the reflector 42 ( Incandescent bulb 44 inserted in 43. The light beam from the bulb is reflected by the reflector 42 and exits in front as the equilibrium beam and is distributed horizontally (right and left) by the cylindrical step S ₄ formed on the rear face of the front lens 1. .

The direction indicating lamp body 50 includes a parabolic reflector 52 and an incandescent light bulb 54 fitted in a bulb insertion hole 53 formed in the rear wall of the lamp main body 10 so as to project toward the front of the reflector 52. .

The light beam (white light) from the incandescent bulb 54 is colored yellow after passing through the amber globe 56. The light beam of the incandescent bulb 54 is reflected by the reflector 52 and exits to the front in parallel beams, horizontally (right and left) by a cylindrical step S ₄ formed on the rear face of the front lens 11. Is dispersed.

The expansion reflector 60 is along the top, bottom, left and right walls of the front legs 11 from near the edge of the opening of the reflector of the first headlight body 20 and the front edge of the lens holder 35 of the second headlight body 30. It extends to the front. As in the case of the reflector 22, an aluminum layer is formed on the surface of the extended reflector 60 by vacuum welding, so that the parts arranged around the headlight bodies 20 and 30 cannot be seen from the front and the lamp chamber The entire inner surface reflects like winter to mirror the appearance of the headlights.

The extended radiation mirror 60 includes, as a part thereof, a reflecting mirror 42 of the clearance lamp, a reflecting mirror 52 of the direction indicating lamp, and a partition wall 61 forming a lamp chamber of the clearance lamp and the direction indicating lamp. The expansion reflector 60 is secured to the front lens 11 with screws as described below, so that it is properly positioned with respect to the headlamp bodies 20 and 30 and the incandescent bulbs 44 and 54.

The bracket 62 is formed on the upper and lower edges of the expansion reflecting mirror 60 in a manner of vertically protruding at a predetermined distance therebetween and has a screw insertion hole 62a. The thick portion 70 is formed on the inner surface of the upper and lower walls 11a and 11b of the front lens 11 at a position corresponding to the position of the bracket 62 of the expansion reflector.

The thick portion 70 has a screw hole 65 with which the fixing screw 64 is engaged. As shown in FIG. 7, with the bracket 62 aligned with the thick portion 70, the screw engages the screw hole 65 so that the expansion reflector 60 is firmly fixed to the front lens 11. . In this state, the seal leg 12 of the front lens 11 has the seal groove of the lamp body 10 such that the expansion reflector 60 is fixedly positioned relative to the lamp bodies 20 and 30 and the incandescent bulbs 34 and 44. Mesh with (10a).

The upper and lower walls 11a and 11b of the front lens 11 are respectively the upper and lower walls 11a and 11b of the front lens 11; That is, it has steps 11d and 11e for reducing the distance between the front edges of the vertical length of the front wall 11c. The thick portion 70 used for screwing is provided immediately after the steps 11d and 11e. Therefore, the thick portion 70 covered by the steps 11d and 11e cannot be seen through the front wall 11c of the front lens 11. In other words, the thick portion does not deteriorate the appearance of the headlamp.

The front lens 11 is extended horizontally. When the front lens 11 is increased in horizontal length, the middle portion thereof may be placed to surround the inside and the outside, which means that the seal leg 12 of the front lens does not properly engage or seal the seal groove 10a of the lamp body. This is to prevent the leg 12 from sealingly engaging the seal groove 10a. However, in this embodiment, the upper and lower walls 11a and 11b of the front lens 11 have steps 11d and 11e as described above, which increases the strength to prevent the walls of the front lens from being wrapped inwards and outwards. To increase.

The side wall of the front lens 11 is coated with a light blocking material 68, which prevents light from exiting through the side wall, and combines the expansion reflector 60 and the joint of the front lens 11 (particularly, the screw 64). ] To prevent seeing through the side walls.

As can be seen from the above description, in the automobile headlight of the present invention, the expansion reflector disposed to surround the headlight main body is screwed to the sidewall of the front lens in many positions such that the sidewall is located closer to the expansion reflector than the lamp body.

Therefore, the headlamp of the present invention is not limited in shape design than conventional headlamps, and the structure can be simplified. Moreover, it does not increase the size of the lamp body.

Moreover, in the headlamp of the present invention, the thick portion is formed on the inner surface of the side wall of the front lens, and the expansion reflector is coupled to the formed thick portion. Therefore, the expansion reflector does not generate undesirable bumping noise when vibrating.

Further, the thick portion formed on the inner surface of the side wall of the front lens is hidden by the step formed on the side wall of the front lens, that is, cannot be seen through the front wall of the front lens. Therefore, the formation of the thick portion does not deteriorate the appearance of the headlamp.

In addition, the portion which screws together the expansion reflector and the front lens is concealed by the light blocking material applied to the outer surface of the side wall of the front lens, whereby the appearance of the headlamp is maintained well.

In addition, the expansion reflector is integrally formed with the lamp chamber forming member of the auxiliary lamp. Accordingly, the headlamp of the present invention has a simpler structure and fewer parts as compared to the headlamp provided with the extended reflector separated from the lamp chamber forming member of the auxiliary lamp.

Claims (13)

An automotive headlight comprising: a lamp body having a front opening and a headlamp body provided inside the lamp body, the headlight body having a light source and a reflector, and the headlight body so as to cover an inner surface of the lamp body. An extension reflector provided on the perimeter and having a mirror surface, and engaged with the front opening of the normal lamp body, and formed on the side wall of the front lens to reduce the distance between the side wall and the front edge of the side wall. A front lens including a plurality of thick portions formed behind the step on a step and an inner surface of the side wall of the front lens, and mounting means for mounting the extension reflector inside the thick portion of the front lens. Car headlights. 2. The headlamp of claim 1, wherein the outer surface of the side wall of the front lens is coated with a light blocking material. 2. The headlamp of claim 1, further comprising an auxiliary lamp chamber and an auxiliary lamp body provided adjacent to a headlight body inside the lamp body, wherein the extension reflector is integrally formed with a portion of the auxiliary lamp chamber. 2. The headlamp of claim 1, wherein the lamp body includes a plurality of lamp chambers inside the lamp body, and the extension reflector extends past all of the lamp chambers. 2. The headlight of claim 1, wherein the extension reflector includes a bracket protruding from an edge of the extension reflector at a position corresponding to a thick portion of the front lens. 2. The headlamp of claim 1, wherein the mounting means comprises a screw. 7. The headlight of claim 6, wherein the extension reflector includes a bracket protruding from an edge of the extension reflector at a position corresponding to the thick portion of the front lens. 8. The headlamp of claim 7, wherein at least one of the brackets of the expansion reflector includes a screw insertion hole. 2. The headlamp of claim 1, wherein an aluminum layer is formed on the surface of the expanded reflector by vacuum welding. 2. The headlamp of claim 1, further comprising an aiming screw for coupling the headlamp body and the lamp body. 2. The headlamp of claim 1, wherein the reflector of the headlight main body has a parabolic shape. 2. The headlamp of claim 1, wherein the reflector comprises multiple reflective surfaces. The lamp body of claim 1, wherein the lamp body is provided adjacent to a headlight body, the clearance lamp body having a clearance light source and a clearance reflector, and is provided adjacent to the clearance lamp body inside the lamp body. An automotive headlight further comprising a directional lamp body having a directional light source, a directional reflector, and an amber globe covering the front of the directional lamp body.