CN202791812U - Car light and leaded light strip structure thereof - Google Patents

Abstract

The utility model is a car lamp and its light guide strip structure, which solves the disadvantages of poor light guide and increased manufacturing cost due to the need to use more LEDs for irradiation. It includes a car lamp body and is provided with at least one groove. A partition is provided above the car light body, including two through holes connecting both ends of the groove; a plurality of LEDs are correspondingly arranged above the through holes; at least one light guide is embedded in the groove and penetrates the aforementioned Through the through hole of the partition, the light guide is a solid cylinder with a trapezoidal cross-section and is provided with a bottom surface. It is provided with a first side and a second side adjacent to each other. The first side and the second side are connected to a front cylinder. , the angle between the bottom surface and the first side, and the angle between the bottom surface and the second side are both between 60° and 89°, so that less LEDs can be used to make the light guide strip emit uniform light and Better light guiding effect.

Description

Car lamp and its light guide strip structure

technical field

The utility model relates to the lighting field, in particular to a vehicle lamp and a light guide strip structure thereof.

Background technique

Known car lights and their light guide strip structures are such as China Taiwan Patent Publication No. M415839 "U-shaped light guide structure and car light device for vehicles", which is a U-shaped light guide structure and car light device for vehicles. In order to provide the design of daytime running lights and save the required installation space, and meet the design requirements of both the shape of the daytime running lights and the function of the daytime running lights, it includes a U-shaped atomized light guide and a U-shaped atomized light guide formed in the U-shaped atomized light guide. a storage space, and a U-shaped light entrance corresponding to and connected to the U-shaped storage space. The car light device with the U-shaped light guide structure for vehicles can set the light-emitting diode group in the U-shaped light guide structure for vehicles to achieve the function of daytime running lights. The storage space occupied by the car light device enables the shape of the car light device to have a higher degree of freedom in utility models, and has both the function of daytime running lights and the purpose of enhancing the sense of design.

Although the above-mentioned previous proposal can greatly reduce the accommodation space occupied by the daytime running lights in the car light device, so that the shape of the car light device has a higher degree of utility model freedom, but the U-shaped atomized light guide has poor light-guiding performance However, more LEDs are needed to illuminate the U-shaped atomized light guide to make the U-shaped atomized light guide uniformly emit light to achieve the effect of daytime running lights, which results in increased manufacturing costs and the disadvantages of poor optical rotation of the U-shaped atomized light guide.

Utility model content

The purpose of the utility model is to provide a car lamp and its light guide strip structure, which can make the light guide strip emit light uniformly and have better light guiding performance by using fewer LEDs.

For reaching above-mentioned purpose, the solution of the present utility model is:

A light guide strip structure, comprising:

A light guide, which is a solid cylinder, any cross-section of the light guide includes a bottom surface, and each of the bottom surfaces is adjacently provided with a first side and a second side, the first side and the The second side is connected to a front cylinder.

The cross-section of the light guide is trapezoidal.

The light guide body is U-shaped with a curved shape.

The angle between the bottom surface and the first side surface, and the angle between the bottom surface and the second side surface are both between 60° and 89°.

The front cylinder is an arc surface.

The bottom surface is provided with a reflective layer.

The bottom surface is provided with a plurality of positioning pieces, and each of the positioning pieces is provided with a positioning hole.

A car lamp using the above-mentioned light guide strip structure, comprising:

A car light body is provided with at least one groove, and a partition plate is provided above the car light body, and the partition plate includes two through holes, and the two ends of the groove are connected through the through holes;

A plurality of LEDs are correspondingly arranged above the through holes of the partition;

At least one of the light guides is embedded in the groove, and the two ends of the light guide pass through the through holes of the partition.

The groove is provided with a plurality of embedded holes corresponding to the positioning parts of the light guide strip.

The groove is provided with a reflective layer.

Effect of the present utility model is:

1. The utility model is a solid cylinder with a trapezoidal cross-section, which can concentrate the light source and increase its brightness, and only need to install an LED on each of the two ends of the light guide to uniformly transmit the LED light source to the The whole light guide body achieves the same luminous effect with a smaller number of LEDs, and achieves the effect of saving manufacturing costs and better light-guiding performance.

2. The utility model can make the vehicle achieve a warning effect when driving in the daytime, which is more likely to attract the attention of passing pedestrians or vehicles, and can reduce the probability of traffic accidents. 

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of a light guide strip of the present invention;

Fig. 2 is a top view of the light guide strip of the present invention;

Fig. 3 is the rear view of the light guide strip of the present invention;

Fig. 4 is a cross-sectional view of the light guide strip of the present invention embedded in the groove of the car lamp;

Fig. 5 is a top view of the light guide strip of the present invention as an arc-shaped curved surface.

[Description of main component symbols]

1 Headlight Body 11 Groove

111 Embedded hole 112 Reflective layer

12 Partition 121 Through hole

2 LED 3 、3A Light guide

31, 31A locating piece 311 locating hole

32, 32A bottom surface 33, 33A first side

34, 34A Second side 35 Front cylinder

35A Front Cylinder Curved Surface A Screw.

Detailed ways

In order to further explain the technical solution of the utility model, the utility model is described in detail through specific examples below.

The first preferred embodiment of the vehicle lamp and its light guide strip structure of the present utility model, please refer to Figs. An embedding hole 111 and a reflective layer 112. In this embodiment, the reflective layer 112 is white paint. A partition 12 is provided above the lamp body 1. The partition 12 includes two through holes 121, and the aforementioned transparent A hole 121 communicates with both ends of the groove 11; a plurality of LEDs 2 are correspondingly arranged above the through hole 121 of the partition 12; a light guide 3 is embedded in the groove 11, please refer to FIG. 1 and FIG. 2 As shown, in this embodiment, the light guide body 3 is a U-shaped solid cylinder with a trapezoidal cross-section, and the light guide body 3 is provided with a plurality of embedded holes 111 corresponding to the aforementioned grooves 11. Positioning member 31, please refer to FIG. 3, the aforementioned positioning member 31 is provided with a positioning hole 311, the two ends of the aforementioned light guide body 3 are pierced through the through hole 121 of the aforementioned partition plate 12, any one of the aforementioned light guide body 3 The sections all include a bottom surface 32, and the bottom surface 32 is adjacently provided with a first side surface 33 and a second side surface 34, and the aforementioned first side surface 33 and the second side surface 34 are connected to a front cylinder surface 35, and the bottom surface 32 is connected to the second side surface 34. The included angle between one side surface 33 and the included angle between the bottom surface 32 and the second side surface 34 is between 60° and 89°.

When in use, the two ends of the light guide 3 are pierced through the through holes 121 of the partition 12, as shown in FIG. the embedded hole of the groove 11, and lock into the positioning hole 311 of the aforementioned positioning member 31 with a screw A, so that the aforementioned light guide body 3 is fixed on the groove 11, and the aforementioned LED 2 is turned on when the vehicle is started. Make the aforementioned LED2 output a light source, the two ends of the aforementioned light guide body 3 receive the light source output by the aforementioned LED2, and then conduct the received light source evenly to the aforementioned light guide body 1, so that it presents a uniform brightness, and the bottom surface 32 and The included angle of the first side 33 and the included angle of the bottom surface 32 and the second side 34 are all between 60° and 89°, which can concentrate the light to increase its brightness, and then spray white on the groove 11. The lacquer is used as a reflective layer 112, and white paint can also be sprayed on the bottom surface 32 of the light guide 3, so that the aforementioned light guide 3 can output a better brightness, which can more easily attract the attention of passing pedestrians and vehicles, and achieve The effect of reducing the probability of traffic accidents.

Please refer to Fig. 5, the difference between the second preferred embodiment of the vehicle lamp and its light guide strip structure of the present invention and the first preferred embodiment is that the front cylindrical surface 35A of the aforementioned light guide is an arc-shaped curved surface When the vehicle is started, the aforementioned LED2 is lighted, so that the aforementioned LED2 outputs a light source, and the two ends of the aforementioned light guide body 3A receive the light source output by the aforementioned LED2, and then the received light source is evenly transmitted to the aforementioned light guide body 3A as a whole, so that it Uniform brightness, and the angle between the bottom surface 32A and the first side 33A, and the angle between the bottom surface 32A and the second side 34A are between 60° and 89°, which can concentrate the light to increase its Brightness, and the arc-shaped surface of the front cylinder 35A expands the light irradiation range, which can attract the attention of passing pedestrians and vehicles, and reduce the probability of traffic accidents.

The above-mentioned embodiments and drawings do not limit the product form and style of the present utility model, and any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the patent scope of the present utility model.

Claims (10)

1. A light guide strip structure, characterized in that it comprises: A light guide, which is a solid cylinder, any cross-section of the light guide includes a bottom surface, and each of the bottom surfaces is adjacently provided with a first side and a second side, the first side and the The second side is connected to a front cylinder. 2. The light guide strip structure according to claim 1, wherein the cross section of the light guide body is trapezoidal. 3. The light guide strip structure according to claim 1, wherein the light guide body is U-shaped with a curved shape. 4. The light guide strip structure according to claim 1, wherein the angle between the bottom surface and the first side surface, and the angle between the bottom surface and the second side surface are both between 60° and 89° . 5. The light guide strip structure according to claim 1, wherein the front cylindrical surface is an arc-shaped curved surface. 6. The light guide strip structure according to claim 1, wherein a reflective layer is provided on the bottom surface. 7. The light guide strip structure according to claim 1, wherein the bottom surface is provided with a plurality of positioning pieces, and each of the positioning pieces is provided with a positioning hole. 8. A vehicle lamp applying the light guide strip structure according to any one of claims 1 to 7, characterized in that it comprises: A car light body is provided with at least one groove, and a partition plate is provided above the car light body, and the partition plate includes two through holes, and the two ends of the groove are connected through the through holes; A plurality of LEDs are correspondingly arranged above the through holes of the partition; At least one of the light guides is embedded in the groove, and the two ends of the light guide pass through the through holes of the partition. 9 . The vehicle lamp according to claim 8 , wherein the groove is provided with a plurality of embedded holes corresponding to the positioning parts of the light guide strip. 10. The vehicle lamp as claimed in claim 8, wherein a reflective layer is provided in the groove.

Images