Integrated light guide support of automobile

Abstract

The utility model relates to the technical field of automobile parts, and discloses an automobile integrated light guide support, which comprises an integrated three-layer structure light guide, a refraction body and a support, the concave surface of the semicircular refraction body is glued and coated on the periphery of one side of the cylindrical light guide, and the concave surface of the middle part of a reflecting cover on one side of the strip-shaped support is glued and coated on the periphery of the other side of the cylindrical light guide. And the periphery of the semi-toroidal refraction body is coated with the glue to form the integrated light guide and the bracket thereof. The light guide device is scientific in design, reasonable in structure, safe and reliable in function and ideal in effect, the problem that in the prior art, an operator cannot control the installation precision between a light guide and a light guide support is solved, and the situation that due to the fact that the positioning precision between an LED lamp light source and the light guide is affected, the light guide uniformity and the light intensity are not enough is avoided; a common buckle structure of the transparent light guide and the light guide support does not need to be adopted, the problems of light spots, light leakage or light shadow caused by the buckle structure are solved, due to the integral structure, the structure is simple and single, the manufacturing cost is not high, and the manual installation cost is saved.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, and in particular to an integrated automotive light guide bracket. Background Technology

[0002] Light guides are commonly used in automobiles to direct light emitted from a light source to the desired emission location. Current mainstream technologies include: Solution 1, achieving a detachable snap-fit ​​structure between the light guide and its support by matching the internal shape of the light guide portion (CN213272476U); Solution 2, achieving omnidirectional light guide visibility across the visible area through multiple mounting structures including a light guide support, a light guide bracket, and two mounting bases (CN118189090A). However, the snap-fit ​​connection between the light guide and its support in these existing technologies is prone to inaccurate positioning due to manufacturing processes or manual installation, affecting optical performance. Furthermore, the light guide is susceptible to deformation during installation. Moreover, the complex optical structure can lead to insufficient installation space, high production costs, and cumbersome installation procedures. Summary of the Invention

[0003] To address the shortcomings of existing technologies, this utility model provides an integrated automotive light guide bracket, solving the aforementioned technical problems.

[0004] The technical solution adopted in this utility model is as follows:

[0005] An integrated automotive light guide bracket includes an integrated three-layer structure light guide, a refractive element, and a bracket. The light guide is a strip-shaped cylinder, forming the first layer, made of a high-refractive-index transparent material. The refractive element is a strip-shaped semi-circular ring, forming the second layer, made of a low-refractive-index transparent material. The bracket is a strip-shaped body, forming the third layer, made of a milky-white opaque plastic material. One side of the bracket is a reflector with a concave arc surface in its middle, and the other side has a support column connected to the back of the reflector. The support column has mounting holes. The concave arc surface of the refractive element of the semi-circular ring is glued and covered to the outer periphery of one side of the light guide of the cylinder. The concave arc surface of the reflector on one side of the bracket of the strip-shaped body is glued and covered to the outer periphery of the convex surface of the refractive element of the semi-circular ring, thus forming an integrated light guide and its bracket.

[0006] The refractive index of the optical guide is greater than that of the refractive body.

[0007] The light guide is made of a high-refractive-index material, such as polycarbonate or polymethyl methacrylate. The refractive body is made of a low-refractive-index material, such as perfluoroolefin copolymer or polyvinylidene fluoride. The support is made of an opaque material, such as a high-temperature resistant milky white polycarbonate or milky white polymethyl methacrylate.

[0008] The optical guide is made of a high refractive index material with a refractive index greater than or equal to 1.50, and the refractive body is made of a low refractive index material with a refractive index less than or equal to 1.41.

[0009] The polycarbonate material has a refractive index of 1.59.

[0010] The polymethyl methacrylate material has a refractive index of 1.50.

[0011] The perfluoroolefin copolymer material has a refractive index of 1.31.

[0012] The polyvinylidene fluoride has a refractive index of 1.41.

[0013] The outer arc surface of the cylindrical optical guide is concavely covered by the refractive body, and its central angle is 180°.

[0014] This utility model of an integrated automotive light guide bracket is scientifically designed, structurally sound, safe and reliable, and delivers ideal results. It not only solves the problem of operators being unable to control the installation precision between light guide 1 and light guide bracket 3 in existing technologies, thus avoiding insufficient light uniformity and intensity caused by affecting the positioning accuracy between the LED light source and light guide 1; but also eliminates the need for the commonly used snap-fit ​​structure of transparent light guide 1 and light guide bracket 3, thus eliminating problems such as light spots, light leakage, or light shadows caused by snap-fit ​​structures. Furthermore, due to its integrated construction, the structure is simple and straightforward, resulting in low manufacturing costs and saving on labor installation costs. Attached Figure Description

[0015] The accompanying drawings, which are provided to further illustrate this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application.

[0016] Figure 1 This is a three-dimensional schematic diagram of the integrated optical guide bracket for automobiles according to this utility model;

[0017] Figure 2 This is a schematic diagram of an integrated optical guide bracket for automobiles.

[0018] Figure 3 for Figure 2 Left view diagram;

[0019] In the diagram: 1-Light guide; 2-Refractor; 3-Bracket; 31-Reflector; 32-Support; 33-Mounting hole; 4-LED light. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described below are merely illustrative of this utility model. Key terms that need attention in these descriptions, including "three-color injection molding process," "strip," "cylinder," "semi-circular ring," "strip," "reflector," "arc concave surface," "arc convex surface," "high refractive index transparent material," and "low refractive index transparent material," are only for the purpose of facilitating and simplifying the description of this utility model, and therefore should not be construed as limiting this utility model.

[0021] See Figure 1-3 As shown, this utility model of an integrated automotive light guide bracket includes an integrated three-layer structure light guide 1, a refractive element 2, and a bracket 3. The light guide 1 is a strip-shaped cylinder, forming the first layer, and is made of a high-refractive-index transparent material. The refractive element 2 is a strip-shaped semi-circular ring, forming the second layer, and is made of a low-refractive-index transparent material. The bracket 3 is a strip-shaped body, forming the third layer, and is made of a milky-white opaque plastic material. One side of the bracket is a reflector 31 with a concave arc surface in its middle, and the other side is a support column 32 connected to the back of the reflector 31. The support column 32 has mounting holes 33, through which the integrated automotive light guide bracket is installed in the car body.

[0022] This utility model relates to an integrated automotive light guide bracket, consisting of LED lights 4 ( Figure 3 (Indicated by the dotted line) The light source generates incident light, which enters from one end of the transparent light guide 1. The light travels along the interior of the light guide 1, based on the principle of total internal reflection, and is transmitted to the area that needs to emit light or provide illumination. The transparent light guide 1, the transparent material refractive body 2, and the opaque support are integrally molded on a three-color injection molding machine using a three-color injection molding process, bonding the three-layer structure of the light guide 1, the refractive body 2, and the support 3 together. The concave arc surface of the semi-circular refractive body 2 is glued and covered on the outer periphery of one side of the cylindrical light guide 1. The outer periphery of the cylindrical light guide 1 is covered (convex arc surface), and its central angle is 180°, meaning that the other side of the light guide 1 (not covered) is the light-emitting part. The concave arc surface in the middle of the reflector 31 on one side of the strip-shaped support 3 is glued and covered on the outer periphery of the convex arc surface of the semi-circular refractive body 2, forming an integral light guide and its support.

[0023] In this embodiment, the integrated automotive light guide bracket uses a high-refractive-index material for the transparent light guide 1, such as polycarbonate (PC, refractive index 1.59) or polymethyl methacrylate (PMMA, refractive index 1.50). The transparent refractive body 2 uses a low-refractive-index material, such as perfluoroolefin copolymer (refractive index 1.31) or polyvinylidene fluoride (PVDF, refractive index 1.41). Since the refractive index of the light guide 1 is greater than that of the refractive body 2, the inner high-refractive-index light guide 1 (optically denser medium) has a refractive index above 1.5, while the outer low-refractive-index refractive body 2 (optically less dense medium) has a refractive index below 1.4. When light travels from the optically denser medium with a higher refractive index to the optically less dense medium with a lower refractive index, if the angle of incidence reaches a critical angle, the light will undergo total internal reflection, similar to light transmission in an optical fiber. Under normal circumstances, some light will also be reflected back to the original medium at the interface, thus reducing light leakage from the adhesive surface and minimizing light energy loss. The opaque material used for the support 3 is either a high-temperature resistant milky white polycarbonate (PC) or a milky white polymethyl methacrylate (PMMA).

[0024] The above description is only a general embodiment of this utility model. For those skilled in the art, there are various other embodiments with modifications and variations, which will not be elaborated here. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model are included within the protection scope claimed by this utility model.

Claims

1. An integrated automotive light guide bracket, comprising an integrated three-layer structure light guide (1), a refractive element (2), and a bracket (3), characterized in that: The light guide (1) is a strip-shaped cylinder, which is the first layer and is made of a high-refractive-index transparent material. The refractive body (2) is a strip-shaped semi-circular ring, which is the second layer and is made of a low-refractive-index transparent material. The support (3) is a strip-shaped body, which is the third layer and is made of milky white opaque plastic material. One side of the support is a reflector (31) with a concave arc surface in the middle. The other side is a support column (32) connected to the back of the reflector (31). The support column (32) is provided with mounting holes (33). The concave arc surface of the refractive body (2) of the semi-circular ring is glued and covered on the outer periphery of one side of the light guide (1) of the cylinder. The concave arc surface of the reflector (31) on one side of the support (3) of the strip-shaped body is glued and covered on the outer periphery of the convex surface of the refractive body (2) of the semi-circular ring, thus forming an integrated light guide and its support.

2. The integrated automotive optical guide bracket according to claim 1, characterized in that, The refractive index of the optical guide (1) is greater than that of the refractive body (2).

3. The integrated automotive optical guide bracket according to claim 1, characterized in that, The light guide (1) is made of a high refractive index material, which is polycarbonate or polymethyl methacrylate. The refractive body (2) is made of a low refractive index material, which is perfluoroolefin copolymer or polyvinylidene fluoride. The support (3) is made of an opaque material, which is a high-temperature resistant milky white polycarbonate or milky white polymethyl methacrylate.

4. The integrated automotive optical guide bracket according to claim 1, characterized in that, The light guide (1) is made of a high refractive index material with a refractive index greater than or equal to 1.50, and the refractive body (2) is made of a low refractive index material with a refractive index less than or equal to 1.

41.

5. The integrated automotive optical guide bracket according to claim 3, characterized in that, The polycarbonate material has a refractive index of 1.

59.

6. The integrated automotive optical guide bracket according to claim 3, characterized in that, The polymethyl methacrylate material has a refractive index of 1.

50.

7. The integrated automotive optical guide bracket according to claim 3, characterized in that, The perfluoroolefin copolymer material has a refractive index of 1.

31.

8. The integrated automotive optical guide bracket according to claim 3, characterized in that, The polyvinylidene fluoride has a refractive index of 1.

41.

9. The integrated automotive optical guide bracket according to claim 1, characterized in that, The outer arc surface of the cylindrical light guide (1) is concavely covered by the refracting body (2), and its central angle is 180°.

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