CN218845896U - Vehicle lamp structure for realizing tail lamp up-down tail function by utilizing Contraband-shaped light guide - Google Patents
Vehicle lamp structure for realizing tail lamp up-down tail function by utilizing Contraband-shaped light guide Download PDFInfo
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- CN218845896U CN218845896U CN202222809118.1U CN202222809118U CN218845896U CN 218845896 U CN218845896 U CN 218845896U CN 202222809118 U CN202222809118 U CN 202222809118U CN 218845896 U CN218845896 U CN 218845896U
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Abstract
The utility model relates to an utilize Contraband font light guide to realize car light structure of tail function about tail lamp. The automobile lamp structure comprises a Contraband font light guide, a circuit board assembly, a light guide support and an outer lens, wherein the light guide support is an assembly main body, and other parts are directly or indirectly fixed on the light guide support. The Contraband-shaped light guide comprises a light guide upper arm, a light guide connecting arm and a light guide lower arm, a reflecting surface is arranged at the joint of the light guide upper arm, the light guide lower arm and the light guide connecting arm, and an upper group and a lower group of light sources are arranged on a circuit board assembly; after entering the light guide, the light emitted by the two groups of light sources respectively propagates in the two directions of the light guide connecting arm, is reflected by the two reflecting surfaces, respectively enters the upper light guide arm and the lower light guide arm, is finally emitted from the light emitting surface of the upper light guide arm and the light emitting surface of the lower light guide arm, and passes through the outer lens to realize the tail lamp upper and lower tail functions. The car lamp has the advantages of relatively simple structure and better lighting effect, not only meets the modeling requirement of a car factory, but also reduces the design and manufacturing cost of the tail lamp.
Description
Technical Field
The utility model relates to a car light technical field, concretely relates to utilize Contraband font light guide to realize car light structure of tail function about the tail lamp.
Background
When the tail lamp on the market wants to realize the upper tail and lower tail function at present, generally need use two at least photoconductors to light the profile respectively, or adopt two circuit boards that are provided with the LED light source, shine respectively to two directions and light different profiles. The inventor has developed related tail lamp products in the past, for example, chinese patent CN207018989U, CN207112687U, etc., which are all two-board modes. However, whether dual light guides or dual circuit boards are adopted, the problems of relatively complex structure, high cost, excessive occupation of the internal installation space of the vehicle lamp and the like exist.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a car light of novel structure is developed to aim at, tail function about having realized the tail lamp through the light guide of brand-new design and car light structure, can produce even effect of lighting when satisfying the law optical requirement, has still satisfied the molding demand of car factory, has practiced thrift the cost of light guide to car light inner space, has saved unnecessary light guide and circuit board. In order to achieve the above object, the utility model adopts the following technical scheme:
a car light structure for realizing tail lamp up-down tail functions by utilizing Contraband-shaped light guides comprises Contraband-shaped light guides and a circuit board assembly; the Contraband-shaped light guide comprises a light guide upper arm, a light guide connecting arm and a light guide lower arm, and reflecting surfaces are arranged at the joint of the light guide upper arm and the light guide connecting arm and at the joint of the light guide lower arm and the light guide connecting arm; an upper group of light sources and a lower group of light sources are arranged on the circuit board assembly; contraband font light guide is fixedly connected with the circuit board assembly, and the upper and lower groups of light sources are opposite to the light guide connecting arm; after entering the light guide, the light emitted by the two groups of light sources respectively propagates in the two directions of the light guide connecting arm, and after being reflected by the two reflecting surfaces, the light enters the upper light guide arm and the lower light guide arm respectively, and finally is emitted from the light-emitting surface of the upper light guide arm and the light-emitting surface of the lower light guide arm, so that the tail lamp upper and lower tail functions are realized.
Furthermore, the light-emitting surface of the upper arm of the light guide and the light-emitting surface of the lower arm of the light guide are positioned on the same side of the Contraband-shaped light guide, and optical patterns are arranged on the two light-emitting surfaces.
Furthermore, the light guide connecting arm is in a shape of a Chinese character 'ji', and an upper group of light sources and a lower group of light sources on the circuit board assembly are fixed in a groove in the middle of the light guide connecting arm.
Further, the lengths of the upper light guide arm and the lower light guide arm are different, and the ratio of the long arm to the short arm is 1.5-6.
Furthermore, the car lamp structure also comprises a light guide bracket, wherein the light guide bracket is provided with a fixing device and a positioning device, and the Contraband-shaped light guide and the circuit board assembly are fixedly connected with the light guide bracket through the fixing device and the positioning device.
Furthermore, the fixing device is a buckle or a clamping groove, and the positioning device is a positioning column.
Further, this car light structure still includes the outer lens with light guide support fixed connection, is provided with outer lens light emitting area, outer lens lower light emitting area on the outer lens respectively, outer lens light emitting area is just going out the plain noodles to the light guide upper arm on the outer lens, outer lens lower light emitting area is just going out the plain noodles to the light guide lower arm.
Furthermore, the upper and lower groups of light sources are both LEDs, and the Contraband-shaped light guide is integrally formed.
The utility model discloses only adopt a Contraband font light guide and a circuit board, just can realize tail lamp from top to bottom tail function under the condition that satisfies law optical requirements to produce the even effect of lighting, not only satisfied the molding demand of car factory, reduced the design and the manufacturing cost of tail lamp moreover. In addition, the car lamp structure also saves the occupation of the light guide to the internal space of the lamp and reduces the assembly difficulty. The cost is low because multiple light guides or circuit boards are not needed for use in combination.
Drawings
FIG. 1 is a schematic view of a Contraband rectangular light guide of the present invention;
fig. 2 is a schematic structural view of the circuit board assembly of the present invention;
fig. 3 is a schematic structural view of the light guide bracket of the present invention;
FIG. 4 is a schematic structural diagram of the outer lens of the present invention;
FIG. 5 is a schematic view of the assembly of Contraband rectangular light guides, circuit board assembly, light guide holder;
fig. 6 is a schematic view of the light path of the vehicular lamp of the present invention;
fig. 7 is an enlarged view of a portion of fig. 6.
The LED light guide comprises 1-a light guide upper arm, 2-a light guide lower arm, 3-a light guide connecting arm, 4-a circuit board assembly, 5-an LED light source, 6-a fixing device, 7-a positioning device, 8-an upper light emitting surface of an outer lens, 9-a lower light emitting surface of the outer lens, 10-a screw and 11-a light guide reflecting surface.
Detailed Description
In order to fully understand the technical solutions and advantages of the present invention, those skilled in the art will further describe the following embodiments with reference to the accompanying drawings.
The tail lamp with the function of upper and lower tails as shown in fig. 1-7 mainly comprises a Contraband-shaped light guide, a light guide bracket, a circuit board assembly 4 and an outer lens. The light guide support is an assembly main body, fixing devices 6 (specifically clamping grooves) and positioning devices 7 (specifically positioning columns) are respectively arranged on the lower side and the left side of the surface of the light guide support, contraband-shaped light guides pass through the fixing devices 6 and are fixedly connected with the light guide support 7, the left end of the circuit board assembly 4 is fixedly connected with the light guide connecting arm of Contraband-shaped light guides and the light guide support through screws 10, the right end of the circuit board assembly 4 is fixedly connected with the light guide support through screws 10, and the outer lens is fixedly connected with the light guide support through glue, so that the tail lamp is packaged.
The integrally formed Contraband-shaped light guide comprises a light guide upper arm 1, a light guide connecting arm 3 and a light guide lower arm 2, wherein the three arms are different in length, the light guide upper arm 1 is longer than the light guide lower arm 2, and therefore a certain shape and a certain visual effect can be formed after the light guide is lightened. The light guide connecting arm 3 is shaped like a Chinese character 'ji', and two groups of LED light sources 5 on the assembled circuit board assembly are just positioned in a groove in the middle of the light guide connecting arm 3. Light guide reflecting surfaces 11 (45-degree aluminum-plated reflecting surfaces) are arranged at the upper and lower corners of the Contraband-shaped light guide, and optical patterns are arranged on the outer surfaces of the upper light guide arm 1 and the lower light guide arm 2 on the same side. As a complete set, two long and short horizontal or approximately horizontal light emitting surfaces are respectively arranged at corresponding positions on the outer lens, and are respectively marked as an upper light emitting surface 8 of the outer lens and a lower light emitting surface 9 of the outer lens, wherein the upper light emitting surface 8 of the outer lens faces the light emitting surface of the upper arm of the light guide, and the lower light emitting surface 9 of the outer lens faces the light emitting surface of the lower arm of the light guide.
The working principle of the tail lamp is as follows: two groups of LED light sources on the circuit board assembly emit light simultaneously, the light emitted upwards enters the light guide connecting arm 3 and then is reflected by the reflecting surface at the corner, the light is bent by 90 degrees and then enters the light guide upper arm 1 (as shown in figure 7), and the light is refracted and then sequentially emitted from the light emitting surface of the light guide upper arm 1 and the light emitting surface 8 on the outer lens; meanwhile, the downward light enters the light guide connecting arm 3 and is reflected by the reflecting surface at the corner, the light enters the light guide lower arm 2 after being bent by 90 degrees, and the light is refracted and then sequentially emitted from the light emitting surface of the light guide lower arm 2 and the light emitting surface 9 under the outer lens, so that the upper tail and the lower tail functions of the tail lamp are realized.
Claims (9)
1. The utility model provides an utilize Contraband font light guide to realize car light structure of tail lamp tail function from top to bottom which characterized in that: the car lamp structure comprises a Contraband-shaped light guide and a circuit board assembly, wherein the Contraband-shaped light guide comprises a light guide upper arm, a light guide connecting arm and a light guide lower arm, reflecting surfaces are arranged at the joint of the light guide upper arm and the light guide connecting arm and the joint of the light guide lower arm and the light guide connecting arm, and an upper group of light source and a lower group of light source are arranged on the circuit board assembly; contraband the light guide is fixedly connected with the circuit board assembly, and the upper and lower groups of light sources are opposite to the light guide connecting arm; after entering the light guide, the light emitted by the two groups of light sources respectively propagates along the light guide connecting arm in the two directions, is reflected by the two reflecting surfaces and then respectively enters the upper light guide arm and the lower light guide arm, and finally is emitted from the light emitting surface of the upper light guide arm and the light emitting surface of the lower light guide arm, so that the tail light function of the tail light is realized.
2. The vehicular lamp structure according to claim 1, wherein: the light guide upper arm light-emitting surface and the light guide lower arm light-emitting surface are located on the same side face of the Contraband-shaped light guide, and optical patterns are arranged on the two light-emitting surfaces.
3. The vehicular lamp structure according to claim 1, characterized in that: the light guide connecting arm is in a shape of a Chinese character 'ji', and an upper group of light sources and a lower group of light sources on the circuit board assembly are fixed in a groove in the middle of the light guide connecting arm.
4. The vehicular lamp structure according to claim 1, characterized in that: the lengths of the upper light guide arm and the lower light guide arm are different, and the ratio of the long arm to the short arm is 1.5-6:1.
5. the vehicular lamp structure according to claim 1, wherein: the automobile lamp structure further comprises a light guide support, wherein a fixing device and a positioning device are arranged on the light guide support, and the Contraband-shaped light guide and the circuit board assembly are fixedly connected with the light guide support through the fixing device and the positioning device.
6. The vehicular lamp structure according to claim 5, wherein: the fixing device is specifically a buckle or a clamping groove, and the positioning device is specifically a positioning column.
7. The vehicular lamp structure according to claim 1, wherein: the automobile lamp structure further comprises an outer lens, wherein an upper light-emitting surface of the outer lens and a lower light-emitting surface of the outer lens are respectively arranged on the outer lens, the upper light-emitting surface of the outer lens is opposite to the light-emitting surface of the upper arm of the light guide, and the lower light-emitting surface of the outer lens is opposite to the light-emitting surface of the lower arm of the light guide.
8. The vehicular lamp structure according to claim 1, characterized in that: the upper and lower groups of light sources are both LEDs.
9. The vehicular lamp structure according to claim 1, characterized in that: the Contraband glyph light guide is an integrally formed whole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202222809118.1U CN218845896U (en) | 2022-10-21 | 2022-10-21 | Vehicle lamp structure for realizing tail lamp up-down tail function by utilizing Contraband-shaped light guide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202222809118.1U CN218845896U (en) | 2022-10-21 | 2022-10-21 | Vehicle lamp structure for realizing tail lamp up-down tail function by utilizing Contraband-shaped light guide |
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CN218845896U true CN218845896U (en) | 2023-04-11 |
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CN202222809118.1U Active CN218845896U (en) | 2022-10-21 | 2022-10-21 | Vehicle lamp structure for realizing tail lamp up-down tail function by utilizing Contraband-shaped light guide |
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CN (1) | CN218845896U (en) |
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2022
- 2022-10-21 CN CN202222809118.1U patent/CN218845896U/en active Active
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