CN217763276U

CN217763276U - Car light

Info

Publication number: CN217763276U
Application number: CN202221579626.9U
Authority: CN
Inventors: 黄宇文; 陈杰豪; 蒋焱; 方紫琪
Original assignee: Guangzhou Koito Car Light Co ltd
Current assignee: Guangzhou Koito Car Light Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-11-08
Anticipated expiration: 2032-06-22

Abstract

The utility model particularly discloses a car lamp, which comprises a light guide belt, an inner lens and a base plate; the inner lens is provided with a light guide surface matched with the curvature of the central line of the light guide belt; the light guide surface is provided with a plurality of light incident surfaces, and the distances between one end of each light incident surface close to the light guide strip and the center line of the light guide strip are equal; the base plate is provided with a light source corresponding to the light guide belt. The utility model discloses a central line curvature of light guide belt and interior lens's the not matched condition of curvature of light transmission surface under, the even luminescence of light transmission surface of lens in realizing.

Description

Car light

Technical Field

The utility model relates to a technical field of car lamps and lanterns, in particular to car light.

Background

As is known, the vehicle lamp is an indispensable device on the automobile and is an important component of active safety facilities. With the continuous updating iteration of automobiles, various shape designs of the appearance modeling of the automobile lamp also appear.

In the prior art, in order to ensure that the number of light sources inside the car lamp is small, the light source is usually realized by matching a light guide belt with an inner lens. However, in order to shape the vehicle lamp, the inner lens-shaped surface is often designed into various irregular shapes, which causes the curvature of the center line of the light guide strip to be inconsistent with the curvature of the inner lens-shaped surface, thereby causing the distance from the light emitted from the light guide strip to the inner lens to be inconsistent, and causing the phenomenon of uneven light emission on the light-emitting surface.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a can evenly luminous car light.

According to a first aspect of the present invention, there is provided a vehicle lamp comprising a light guide strip, an inner lens, and a base plate; the inner lens is provided with a light guide surface matched with the curvature of the central line of the light guide belt; the light guide surface is provided with a plurality of light incident surfaces, and the distances between one end of each light incident surface close to the light guide strip and the center line of the light guide strip are equal; the base plate is provided with a light source corresponding to the light guide belt.

Preferably, the light guide surface is a stepped surface, and the light incident surface is a plane parallel to a horizontal line in the stepped surface; and the distances between the light incident surface and the central line of the light guide strip are equal.

Preferably, the light guide surface is a sawtooth surface, and the light incident surface is a plane opposite to the light guide belt in the sawtooth surface; and the distances between one end of the light guide strip far away from the light incident surface and the central line of the light guide strip are equal.

Preferably, the inner lens is provided with a first reflecting surface for reflecting the light from the light guide surface; a second reflecting surface for reflecting the light from the first reflecting surface; and the light transmitting surface is used for diverging the light rays from the second reflecting surface.

Preferably, the inner lens is further provided with a third reflecting surface, and the third reflecting surface is used for reflecting the light emitted by the second reflecting surface to the light-transmitting surface.

Preferably, the car light is provided with a first support, and the first support is provided with a groove for fixing the light guide strip.

Preferably, the first bracket is provided with a light shielding plate for reducing light overflow.

Preferably, the first bracket is provided with a cover plate, and the cover plate is provided with an opening matched with the shape of the light-transmitting surface.

Preferably, one end of the first support, which is far away from the cover plate, is provided with a support frame for mounting and fixing the car lamp.

Preferably, the vehicle lamp is provided with a second bracket for fixing the inner lens.

According to the utility model discloses car light has following beneficial effect at least:

the embodiment of the utility model provides a through including lens setting and the leaded light face that the curved camber of the central line of light guide area matches, the leaded light face is equipped with a plurality of income plain noodles and goes into and is close to on the plain noodles the one end of light guide area with the distance of the central line of light guide area equals, has realized under the unmatched condition of the central line crookedness of central line crookedness and the light-transmitting surface's of interior lens of light guide area, the even luminous of the light-transmitting surface of lens in realizing.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention is further described with reference to the following figures and examples, in which:

FIG. 1 is a schematic view of an embodiment of a vehicular lamp according to the present invention;

fig. 2 is a schematic perspective view of an embodiment of an inner lens of a vehicle lamp according to the present invention;

FIG. 3 is a side view of an embodiment of an inner lens of a vehicular lamp according to the present invention;

fig. 4 is a schematic diagram of a light transmission path of an embodiment of an inner lens of a vehicle lamp according to the present invention;

fig. 5 is an exploded view of an embodiment of the vehicular lamp of the present invention.

Reference numerals:

a light guide band 100; an inner lens 200; a light guide surface 210; a substrate 300; a light incident surface 211; a first reflective surface 212; a second reflective surface 213; a light-transmitting surface 214; a first bracket 400; a recess 410; a light shielding plate 500; a cover plate 600; a support frame 700; a second bracket 800.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to, for example, the upper, lower, inner, outer, etc., is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

As is well known, as the automotive industry advances, the design of vehicle lights on automobiles varies. In the prior art, the curvature of the central line of the light guide band is inconsistent with the curvature of the inner lens molding surface due to the rapid change of the inner lens molding surface of some vehicle lamps or the internal space structure of the vehicle lamps, so that the light emitting surface emits light unevenly.

To this end, some embodiments of the present invention provide a vehicle lamp, which is shown in fig. 1 to 5 of the drawings in the specification.

Referring to fig. 1, some embodiments of the present invention provide a vehicle lamp including a light guide strip 100, an inner lens 200, and a substrate 300; the inner lens 200 is provided with a light guide surface 210 matched with the curvature of the central line of the light guide belt 100; the light guide surface 210 is provided with a plurality of light incident surfaces 211; the distances between one end of the light guide strip 100 on the light incident surface 211, which is close to the light guide strip 100, and the center line of the light guide strip 100 are equal; the substrate 300 is provided with a light source corresponding to the light guide strip 100.

It should be noted that, the vehicle lamp in the prior art usually adopts a combination of a light guide band and an inner lens to minimize the light source in the vehicle lamp. On the basis, in order to realize uniform light emission of a light emitting surface, the prior art usually adopts a mode of uniform thickness of an inner lens, and designs a modeling light emitting surface of the inner lens to be consistent with the bending curvature of a light guide belt, so that the design freedom of a vehicle lamp modeling surface is greatly limited, and the development of vehicle design is not facilitated. Based on this, the embodiment of the utility model provides a can just set the light guide surface 210 of interior lens 200 to light guide strip 100 to cooperate with the bending curvature of the central line of light guide strip 100, wherein, light guide surface 210 is equipped with a plurality of income plain noodles 211, is close to on the income plain noodles 211 the one end of light guide strip 100 with the distance of the central line of light guide strip 100 equals to it is unanimous to have guaranteed that the light that sends from light guide strip 100 enters into the distance of interior lens 200 light guide surface 210, has realized the even luminescence of interior lens 200 printing opacity 214.

The embodiment of the utility model provides an in, the light source can be for LED lamp, laser lamp, halogen headlight, xenon headlight etc. and technical personnel in this field can choose as required for use, the embodiment of the utility model provides a do not limit to this. Preferably, the light source may be an LED lamp, which has the advantages of: environmental protection, energy saving, short starting time and long service life. The light guide strip 100 may be made of acrylic or PC light guide material.

Referring to fig. 1-2, in an alternative embodiment of the present invention, the light guiding surface 210 is a stepped surface, and the light incident surface 211 is a plane parallel to the horizontal line in the stepped surface; all light incident surfaces 211 are equidistant from the center line of the light guide strip 100.

It should be noted that, the extending direction of the light guide strip 100 and the substrate 300 are a certain included angle, and based on this, the embodiment of the present invention can set the light guide surface 210 opposite to the light guide strip 100 to be the stepped surface that increases step by step along with the extending direction of the light guide strip 100. Meanwhile, the distances between all planes parallel to the horizontal plane, that is, the light incident surface 211 and the center line of the light guide strip 100, in the stepped plane are kept consistent. It can be understood that the arc line formed by connecting all the ends of the light guide strip 100 close to the light incident surface 211 is consistent with the curvature of the center line of the light guide strip 100.

In an optional embodiment of the present invention, the light guiding surface 210 is a sawtooth surface, and the light incident surface 211 is a plane of the sawtooth surface opposite to the light guiding strip 100; the distances between one end of each light incident surface 211 far away from the light guide strip 100 and the center line of the light guide strip 100 are equal.

The embodiment of the utility model provides a can set the sawtooth surface that extends to the extending direction along with light guide belt 100 with light guide surface 210 relative with light guide belt 100, wherein, in the sawtooth surface towards light guide belt 100's one side be into plain noodles 211 promptly. The distances between the ends of all the light incident surfaces 211 close to the light guide strips 100 and the center line of the light guide strip 100 are equal, and the distances between the ends of all the light incident surfaces 211 far from the light guide strips 100 and the center line of the light guide strip 100 are equal, it can be understood that the curvatures of the center lines of the light guide strips 100 and the arcs formed by connecting the ends of all the light incident surfaces 211 close to the light guide strips 100 are identical, and the curvatures of the center lines of the light guide strips 100 and the arcs formed by connecting the ends of all the light incident surfaces 211 far from the light guide strips 100 are also identical.

Referring to fig. 2, in an alternative embodiment of the present invention, the inner lens 200 is provided with a first reflecting surface 212 for reflecting light from the light guiding surface 210; a second reflecting surface 213 for reflecting the light from the first reflecting surface 212; a light transmitting surface 214 for diverging the light from the second reflecting surface 213.

The stepped or saw-toothed light guide surface 210 causes the thickness of the inner lens 200 to be different, and causes a difference in light intensity at the light transmission surface 214. Based on this, the embodiment of the present invention can reduce the probability of light brightness difference by 2-time reflection inside the inner lens 200. Referring to fig. 4, the light guide strip 100 transmits and guides light of a light source to the light guide surface 210, the light is emitted from the light guide surface 210 to the first reflection surface 212, the light is emitted to the second reflection surface 213 through the first reflection of the first reflection surface 212, the light is emitted to the light transmission surface 214 through the second reflection of the second reflection surface 213, and the light is emitted from the light transmission surface 214. The embodiment of the utility model provides a reduced effectively because interior lens 200 thickness differs and cause the light to appear the poor possibility of light and shade.

In an optional embodiment of the present invention, the inner lens 200 further has a third reflective surface for reflecting the light emitted from the second reflective surface 213 to the light-transmitting surface 214.

It can be understood that, in the embodiment of the present invention, a third reflective surface is added on the basis of the foregoing embodiment, and reference may be made to the description of the foregoing embodiment, which is not repeated herein. In the embodiment of the present invention, the light is reflected to the third reflecting surface through the second reflecting surface 213, and the light is reflected to the light-transmitting surface 214 through the third reflecting surface, and the light is emitted from the light-transmitting surface 214. The embodiment of the utility model provides a further promoted the reduction because interior lens 200 thickness differs and cause the light to appear the poor possibility of light and shade.

Referring to fig. 4, in an alternative embodiment of the present invention, the car lamp is provided with a first bracket 400, and the first bracket 400 is provided with a groove 410 for fixing the light guiding strip 100.

In the embodiment of the present invention, in order to fix the light guiding strip 100, the first bracket 400 may be disposed on the car lamp, and the first bracket 400 may be disposed with a groove 410 matching with the shape of the light guiding strip 100.

Referring to fig. 5, in an alternative embodiment of the present invention, the first support 400 is provided with a light shielding plate 500 for reducing light spillage.

It can be understood that, for the modeling appearance effect of the car light, the light needs to be emitted from the light-transmitting surface 214 only, therefore, the embodiment of the present invention can set the light shielding plate 500 on the first bracket 400 to cover and shield the other light-emitting parts of the inner lens 200 except the light-transmitting surface 214, thereby preventing the light from overflowing.

Referring to fig. 5, in an alternative embodiment of the present invention, the first bracket 400 is provided with a cover plate 600, and the cover plate 600 is provided with an opening matched with the light-transmitting surface 214 in shape.

The embodiment of the utility model provides an in, first support 400 can also be equipped with apron 600, be equipped with on the apron 600 with light-transmitting surface 214 shape complex opening, can cover and close on first support 400, and only expose the region of giving out light, light-transmitting surface 214 promptly, and then realized sheltering from the structure behind apron 600, make the car light look succinct more.

Referring to fig. 4, in an alternative embodiment of the present invention, an end of the first bracket 400 away from the cover plate 600 is provided with a supporting frame 700 for fixing the car lamp.

In the embodiment of the present invention, one end of the first bracket 400, which is away from the cover plate 600, may be provided with a supporting frame 700, and the supporting frame 700 is used to fix the light emitting assembly on the lamp housing.

Referring to fig. 4, in an alternative embodiment of the present invention, the lamp is provided with a second bracket 800 for fixing the inner lens 200.

In the embodiment of the present invention, the car lamp further has a second bracket 800 matching with the shape of the inner lens 200, and the inner lens 200 can be fixed on the second bracket 800.

In this application, the use of terms such as "including" is open-ended and is intended to have the same meaning as terms such as "comprising" and not preclude the presence of other structure, material, or acts. Similarly, although the use of terms such as "can" or "may" is intended to be open-ended and to reflect that structure, material, or acts are not necessary, failure to utilize such terms is not intended to reflect that structure, material, or acts are essential.

The embodiments of the present invention are described in detail above with reference to the accompanying drawings, and finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its various embodiments.

Claims

1. A vehicle lamp, characterized by comprising:

a light guide band;

the inner lens is provided with a light guide surface matched with the curvature of the central line of the light guide belt; the light guide surface is provided with a plurality of light incident surfaces, and the distances between one end of each light incident surface close to the light guide strip and the center line of the light guide strip are equal;

the base plate is provided with a light source corresponding to the light guide belt.

2. The vehicular lamp according to claim 1, wherein the light guide surface is a stepped surface, and the light incident surface is a plane parallel to a horizontal line in the stepped surface; the distances between the light incident surface and the central line of the light guide band are equal.

3. The vehicular lamp according to claim 1, wherein the light guide surface is a sawtooth surface, and the light incident surface is a plane of the sawtooth surface opposite to the light guide belt; and the distances between one end of the light guide strip far away from the light incident surface and the central line of the light guide strip are equal.

4. A vehicular lamp according to claim 2 or 3, wherein the inner lens is provided with a first reflecting surface for reflecting light from the light guiding surface; a second reflecting surface for reflecting light from the first reflecting surface; and the light transmitting surface is used for diverging the light rays from the second reflecting surface.

5. The vehicular lamp according to claim 4, wherein the inner lens further has a third reflecting surface for reflecting the light emitted from the second reflecting surface to the light transmitting surface.

6. The vehicular lamp according to claim 5, wherein the vehicular lamp is provided with a first bracket, and the first bracket is provided with a groove for fixing the light guide strip.

7. The vehicular lamp according to claim 6, wherein the first bracket is provided with a light shielding plate for reducing light overflow.

8. The vehicular lamp according to claim 7, wherein the first bracket is provided with a cover plate, and the cover plate is provided with an opening matched with the shape of the light-transmitting surface.

9. The vehicular lamp according to claim 8, wherein a supporting frame for mounting and fixing the vehicular lamp is arranged at one end of the first bracket, which is far away from the cover plate.

10. A vehicle lamp according to claim 1, wherein the vehicle lamp is provided with a second bracket for fixing the inner lens.