CN218954706U - Light guide assembly, car lamp and vehicle - Google Patents

Light guide assembly, car lamp and vehicle Download PDF

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Publication number
CN218954706U
CN218954706U CN202320058517.0U CN202320058517U CN218954706U CN 218954706 U CN218954706 U CN 218954706U CN 202320058517 U CN202320058517 U CN 202320058517U CN 218954706 U CN218954706 U CN 218954706U
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Prior art keywords
light
rack
emitting section
transition
light guide
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CN202320058517.0U
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Chinese (zh)
Inventor
林仁望
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Dongfeng Nissan Passenger Vehicle Co
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Dongfeng Nissan Passenger Vehicle Co
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Priority to CN202320058517.0U priority Critical patent/CN218954706U/en
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Abstract

The utility model discloses a light guide assembly, a car lamp and a car, wherein a first rack is arranged obliquely below a transition light-emitting section, a second rack is arranged obliquely above the transition light-emitting section, a plurality of first scattering teeth are arranged on the first rack, a plurality of second scattering teeth are arranged on the second rack, and the first scattering teeth and the second scattering teeth are used for scattering side light of the transition light-emitting section, so that uniformity of side light emission of two transition light-emitting section areas is improved, obvious dark areas are avoided from being formed on side view angles, and the overall light-emitting effect of the light guide assembly, the car lamp and the car is improved.

Description

Light guide assembly, car lamp and vehicle
Technical Field
The utility model relates to the technical field of automobile lamps, in particular to a light guide assembly, an automobile lamp and a vehicle.
Background
With the development of technology, left-right penetrating headlamps have been widely used in vehicles. The penetrating type head lamp can be made into various shapes. Generally, a light source is placed in the middle of a penetrating headlamp, and is guided to both right and left sides by a light guide. Thus, an inclined light guide is typically employed to transition between the horizontally extending light guides on the left and right sides and the light guide with its lower end facing the light source. The light-emitting design of the circular light guide with the inclined transition generally preferentially corresponds to the front view angle so as to enable a front user to observe the light-emitting design, and obvious dark areas can appear when uneven brightness exists on the side view angle, so that the overall light-emitting effect is affected.
In view of the above, it is necessary to provide a light guide assembly, a lamp, and a vehicle having a good overall light emission effect.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a light guide component, a car lamp and a vehicle with good overall luminous effect.
The technical scheme of the utility model provides a light guide assembly, which comprises a fixed bracket, two symmetrically arranged light guide strips arranged on the fixed bracket and a light source arranged on one side of the light guide strips;
the light guide strip comprises a vertically extending light inlet section, a horizontally extending main body light emitting section and a transition light emitting section obliquely connected between the light inlet section and the main body light emitting section, wherein the distance between the two transition light emitting sections is gradually increased along the direction from bottom to top;
the light source is positioned below the two light entering sections;
a first rack is arranged on the fixed support and obliquely below the transition light-emitting section, and a plurality of first scattering teeth protruding towards the side of the transition light-emitting section are arranged on the first rack;
the fixed support is provided with a second rack which is positioned above the transition light-emitting section in an inclined way, and the second rack is provided with a plurality of second scattering teeth which are protruded towards the side of the transition light-emitting section.
In one optional technical scheme, the first rack and the second rack are respectively parallel to the transitional luminous section.
In one optional aspect, one end of the second rack extends to above the main body lighting section.
In one optional technical scheme, the fixing bracket is provided with a bracket groove with a forward opening, and the bracket groove comprises a horizontal extension groove and an inclined extension groove connected with the horizontal extension groove;
the main body luminous section is positioned in the horizontal extending groove, and the transition luminous section is positioned in the inclined extending groove;
the first rack is integrally arranged on the lower side groove wall of the inclined extending groove, and the second rack is integrally arranged on the upper side groove wall of the inclined extending groove.
In one optional technical scheme, a plurality of first scattering ribs are arranged on the surface of the transition light-emitting section facing the notch side of the inclined extension groove at intervals, and the first scattering ribs extend along the length direction of the transition light-emitting section.
In one optional technical scheme, a plurality of second scattering ribs are arranged on the surface of the transition light-emitting section facing the bottom side of the inclined extension groove at intervals, and the second scattering ribs extend along the circumferential direction of the transition light-emitting section.
In one optional technical scheme, a third rack is arranged below the main body luminous section on the fixed support, and a plurality of third scattering teeth protruding towards the main body luminous section side are arranged on the third rack;
the third rack is connected with the first rack.
In one optional technical scheme, two light entering sections are contacted, and two transition light emitting sections form a V-shaped structure.
The technical scheme of the utility model also provides a car lamp, which comprises a lamp shade and any one of the light guide components, wherein the lamp shade is connected with the fixed bracket.
The technical scheme of the utility model also provides a vehicle, which comprises the vehicle lamp of the technical scheme.
By adopting the technical scheme, the method has the following beneficial effects:
according to the light guide assembly, the car lamp and the car, the first rack is arranged below the transition light-emitting section, the second rack is arranged above the transition light-emitting section, the first rack is provided with the plurality of first scattering teeth, the second rack is provided with the plurality of second scattering teeth, the first scattering teeth and the second scattering teeth are used for scattering side light of the transition light-emitting section, uniformity of two sections of transition light-emitting section areas in side light emission is improved, obvious dark areas are prevented from being formed in side view angles, and the overall light-emitting effect of the light guide assembly, the car lamp and the car is improved.
Drawings
The present disclosure will become more readily understood with reference to the accompanying drawings. It should be understood that: the drawings are for illustrative purposes only and are not intended to limit the scope of the present utility model. In the figure:
FIG. 1 is a schematic view of a light guide assembly according to an embodiment of the present utility model;
FIG. 2 is an enlarged view of a portion of the lamp assembly shown in FIG. 1;
FIG. 3 is a schematic view of a transition lighting segment with a plurality of second scattering ribs disposed on the back surface thereof at intervals;
fig. 4 is a cross-sectional view taken along A-A of fig. 1.
Detailed Description
Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
As shown in fig. 1-2, an embodiment of the present utility model provides a light guide assembly, which includes a fixing bracket 1, two symmetrically arranged light guide bars 2 mounted on the fixing bracket 1, and a light source 3 mounted on one side of the light guide bars 2.
The light guide bar 2 includes a vertically extending light entrance section 21, a horizontally extending main body light emitting section 23, and a transition light emitting section 22 obliquely connected between the light entrance section 21 and the main body light emitting section 23, and a distance between the two transition light emitting sections 22 gradually increases in a direction from bottom to top.
The light source 3 is located below the two light entry sections 21.
The fixed bracket 1 is provided with a first rack 4 obliquely below the transitional luminous section 22, and the first rack 4 is provided with a plurality of first scattering teeth 41 protruding towards the transitional luminous section 22 side.
A second rack 5 is arranged on the fixed support 1 and is positioned above the transitional luminous section 22, and a plurality of second scattering teeth 51 protruding towards the transitional luminous section 22 side are arranged on the second rack 5.
The light guide component provided by the utility model is mainly used for penetrating type headlamps of automobiles.
The light guide assembly comprises a fixed support 1, two light guide strips 2, a plurality of light sources 3, two first racks 4 and two second racks 5.
The fixed bracket 1 is used for being connected with a front protection bracket of a vehicle and is also used for installing a lampshade.
The two light guide strips 2 are symmetrically arranged on the fixed bracket 1. The light source 3 is mounted on the circuit board 7, and the light source 3 is located in a lower region of the middle of the fixing bracket 1.
Each light guide bar 2 is divided into a light-entering section 21, a transition light-emitting section 22, and a main body light-emitting section 23 in the light path propagation order. The light entering section 21, the transition light emitting section 22 and the main body light emitting section 23 are integrally formed into the light guide strip 2.
The light entrance section 21 extends vertically downward, which faces the light source 3, and the light irradiated by the light source 3 propagates through the light entrance section 21 into the light guide bar 2.
The main body light emitting section 23 is located above the light entering section 21, and the main body light emitting section 23 horizontally extends from the middle region of the fixing bracket 1 toward both sides.
The transition light-emitting section 22 is connected between the light-entering section 21 and the main body light-emitting section 23, and the transition light-emitting section 22 is obliquely arranged in an extending manner, so that the two transition light-emitting sections 22 form a V-shaped, Y-shaped or other shape with the upper width and the lower width. The transitional lighting segment 22 referred to in the present utility model is not limited to a straight-line inclined arrangement, but may be a curved inclined arrangement.
In order to improve the uniformity of the lateral luminescence of the two transitional luminous sections 22, a first rack 4 is arranged obliquely below each transitional luminous section 22, and the first racks 4 are basically arranged along with the transitional luminous sections 22. A plurality of first scattering teeth 41 are arranged on the first rack 4 and are used for scattering the light emitted by the transitional luminous section 22 towards the obliquely downward direction so as to play a role in mixing light and improve the uniformity of the light.
In order to improve the uniformity of the lateral luminescence of the two transitional luminous sections 22, a second rack 5 is also arranged obliquely above each transitional luminous section 22, and the second racks 5 are basically arranged along with the transitional luminous sections 22. The second rack 5 is provided with a plurality of second scattering teeth 51 for scattering light emitted obliquely upward from the transitional lighting section 22, so as to perform a light mixing function and improve light uniformity.
In summary, according to the light guide assembly provided by the utility model, the first rack 4 is arranged obliquely below the transition light-emitting section 22, the second rack 5 is arranged obliquely above the transition light-emitting section 22, the first rack 4 is provided with the plurality of first scattering teeth 41, the second rack 5 is provided with the plurality of second scattering teeth 51, the first scattering teeth 41 and the second scattering teeth 51 are used for scattering side light emission of the transition light-emitting section 22, uniformity of side light emission of two sections of transition light-emitting sections 22 is improved, obvious dark areas are avoided from being formed in side view angles, and the overall light-emitting effect of the light guide assembly is improved.
In one embodiment, as shown in fig. 1-2, the first rack 4 and the second rack 5 are respectively parallel to the transitional luminous section 22, so that structural arrangement is facilitated, and the scattering effect of the first rack 4 and the second rack 5 along the extending direction of the transitional luminous section 22 is consistent, so that illumination uniformity is improved.
In one embodiment, as shown in fig. 1-2, one end of the second rack 5 extends above the main body light emitting section 23. That is, the length of the second rack 5 is longer than the transitional lighting section 22, the second rack 5 completely covers the transitional lighting section 22, and one end of the second rack 5 covers the upper part of the end of the main lighting section 23 connected with the transitional lighting section 22, so as to ensure that the light of the connected area can be scattered by the second rack 5.
In one embodiment, as shown in fig. 1-2 and 4, the fixing bracket 1 is provided with a bracket groove 11 opened forward, and the bracket groove 11 includes a horizontally extending groove 111 and an inclined extending groove 112 connected with the horizontally extending groove 111.
The main body light emitting section 23 is in the horizontally extending groove 111, and the transitional light emitting section 22 is in the obliquely extending groove 112.
The first rack 4 is integrally provided on the lower side groove wall 1121 of the inclined extension groove 112, and the second rack 5 is integrally provided on the upper side groove wall 1122 of the inclined extension groove 112.
In this embodiment, the fixing bracket 1 is provided with a bracket groove 11, and the notch of the bracket groove 11 faces forward. The main body light emitting section 23 and the transition light emitting section 22 are both installed in the holder groove 11, and the light entering section 21 is located outside the holder groove 11.
In order to satisfy the installation of the main body light emitting section 23 and the transition light emitting section 22, the bracket groove 11 is correspondingly provided to include two horizontally extending grooves 111 and two obliquely extending grooves 112. Two inclined extension grooves 112 are provided at the middle of the fixing bracket 1 for mounting two transitional luminous segments 22. Two horizontally extending grooves 111 extend from the two obliquely extending grooves 112 to both sides for mounting the two main body light emitting sections 23.
As needed, a limiting groove 113 may be provided on the bottoms of the horizontal extension groove 111 and the inclined extension groove 112, respectively, and the main body light emitting section 23 and the transition light emitting section 22 are positioned in the limiting groove 113, respectively.
The inclined extension groove 112 includes a lower groove wall 1121 and an upper groove wall 1122 which are oppositely arranged, the first rack 4 is integrally provided on the lower groove wall 1121 of the inclined extension groove 112, and the second rack 5 is integrally provided on the upper groove wall 1122 of the inclined extension groove 112. That is, the first scattering teeth 41 are integrally provided directly on the upper surface of the lower groove wall 1121, and the second scattering teeth 51 are integrally provided directly on the lower surface of the upper groove wall 1122.
Most of the light of the transitional lighting segment 22 is emitted forward directly through the notch of the obliquely extending slot 112. The transition light emitting section 22 diffuses the mixed light through the first and second scattering teeth 41 and 51 toward the lower and upper groove walls 1121 and 1122, thereby improving the uniformity of the light.
In one embodiment, as shown in fig. 2 and 4, a plurality of first scattering ribs 221 are provided at intervals on the surface of the transition light emitting section 22 facing the notch side of the inclined extension groove 112, the first scattering ribs 221 extending along the length direction of the transition light emitting section 22.
In this embodiment, a plurality of first scattering ribs 221 are disposed on the light emitting surface of the transitional luminous segment 22 (i.e., the surface facing the notch side of the inclined extending groove 112), and extend along the length direction of the transitional luminous segment 22, so as to scatter light along the length direction of the transitional luminous segment 22, thereby helping to promote the uniformity of light.
In one embodiment, as shown in fig. 3 to 4, a plurality of second scattering ribs 222 are provided at intervals on the surface of the transition light emitting section 22 facing the groove bottom side of the inclined extension groove 112, the second scattering ribs 222 extending along the circumferential direction of the transition light emitting section 22.
In this embodiment, a plurality of second scattering ribs 222 are disposed on the bottom surface of the transitional luminous section 22 (i.e., the surface of the transitional luminous section 22 facing the bottom side of the inclined extending groove 112), and each of the second scattering ribs 222 extends along the circumferential direction of the transitional luminous section 22 for scattering light along the circumferential direction of the transitional luminous section 22, which is helpful for improving the uniformity of light.
In one embodiment, as shown in fig. 1-2, a third rack 6 is disposed on the fixing bracket 1 below the main body light emitting section 23, and a plurality of third scattering teeth 61 protruding toward the main body light emitting section 23 side are provided on the third rack 6. The third rack 6 is connected with the first rack 4.
In this embodiment, the third rack 6 is disposed below the main body light-emitting section 23, and the light emitted downward by the main body light-emitting section 23 is scattered by the third scattering teeth 61, so as to facilitate improving the uniformity of the light in the light-emitting area of the main body light-emitting section 23.
Specifically, the third rack gear 6 may be optionally integrally provided on the lower side groove wall of the horizontally extending groove 111.
In one embodiment, as shown in fig. 1-2, two light entering sections 21 are contacted, and two transitional light emitting sections 22 form a V-shaped structure, so as to meet the layout requirements of the vehicle lamps of some vehicle types.
An embodiment of the present utility model further provides a vehicle lamp, including a lamp housing and the light guide assembly according to any of the foregoing embodiments, where the lamp housing is connected to the fixing bracket 1.
The car light that this embodiment provided is the penetrating type head-light of car, and it includes lamp shade and light guide component.
For the structure, construction and operation of the light guide assembly, please refer to the previous description of the light guide assembly, and the description thereof is omitted.
The lamp shade is installed in the front side of fixed bolster 1, covers light guide bar 2.
An embodiment of the present utility model further provides a vehicle, including the vehicle lamp according to the foregoing embodiment.
The penetrating type headlamp of the vehicle provided by the embodiment adopts the vehicle lamp described in the previous embodiment, and the fixing bracket 1 of the vehicle lamp is mounted on the front protection bracket of the vehicle.
The above technical schemes can be combined according to the need to achieve the best technical effect.
The foregoing is only illustrative of the principles and preferred embodiments of the present utility model. It should be noted that several other variants are possible to those skilled in the art on the basis of the principle of the utility model and should also be considered as the scope of protection of the present utility model.

Claims (10)

1. The light guide assembly is characterized by comprising a fixed bracket, two symmetrically arranged light guide strips arranged on the fixed bracket and a light source arranged on one side of the light guide strips;
the light guide strip comprises a vertically extending light inlet section, a horizontally extending main body light emitting section and a transition light emitting section obliquely connected between the light inlet section and the main body light emitting section, wherein the distance between the two transition light emitting sections is gradually increased along the direction from bottom to top;
the light source is positioned below the two light entering sections;
a first rack is arranged on the fixed support and obliquely below the transition light-emitting section, and a plurality of first scattering teeth protruding towards the side of the transition light-emitting section are arranged on the first rack;
the fixed support is provided with a second rack which is positioned above the transition light-emitting section in an inclined way, and the second rack is provided with a plurality of second scattering teeth which are protruded towards the side of the transition light-emitting section.
2. The light guide assembly of claim 1, wherein the first rack and the second rack are each parallel to the transitional lighting segment.
3. The light guide assembly of claim 1, wherein an end of the second rack extends above the body light emitting section.
4. A light guide assembly as claimed in any one of claims 1 to 3, wherein the fixing bracket is provided with a bracket recess opening forwardly, the bracket recess including a horizontally extending slot and an inclined extending slot connected to the horizontally extending slot;
the main body luminous section is positioned in the horizontal extending groove, and the transition luminous section is positioned in the inclined extending groove;
the first rack is integrally arranged on the lower side groove wall of the inclined extending groove, and the second rack is integrally arranged on the upper side groove wall of the inclined extending groove.
5. The light guide assembly of claim 4, wherein the transition light emitting section is provided with a plurality of first scattering ribs at intervals on a surface facing a notch side of the inclined extension groove, the first scattering ribs extending along a length direction of the transition light emitting section.
6. The light guide assembly of claim 4, wherein the transition light emitting section is provided with a plurality of second scattering ribs at intervals on a surface facing a bottom side of the inclined extension groove, the second scattering ribs extending along a circumferential direction of the transition light emitting section.
7. A light guide assembly according to any one of claims 1-3, wherein a third rack is provided on the fixed support below the main body light emitting section, the third rack having a plurality of third scattering teeth thereon protruding toward the main body light emitting section side;
the third rack is connected with the first rack.
8. A light guide assembly as claimed in any one of claims 1 to 3, wherein two of the light entry sections are in contact and two of the transitional lighting sections form a V-shaped structure.
9. A vehicle lamp comprising a lamp housing and the light guide assembly of any one of claims 1-8, the lamp housing being connected to the fixed bracket.
10. A vehicle comprising the vehicle lamp of claim 9.
CN202320058517.0U 2023-01-04 2023-01-04 Light guide assembly, car lamp and vehicle Active CN218954706U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320058517.0U CN218954706U (en) 2023-01-04 2023-01-04 Light guide assembly, car lamp and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320058517.0U CN218954706U (en) 2023-01-04 2023-01-04 Light guide assembly, car lamp and vehicle

Publications (1)

Publication Number Publication Date
CN218954706U true CN218954706U (en) 2023-05-02

Family

ID=86107090

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320058517.0U Active CN218954706U (en) 2023-01-04 2023-01-04 Light guide assembly, car lamp and vehicle

Country Status (1)

Country Link
CN (1) CN218954706U (en)

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