A radiator mechanism for automotive headlights

Abstract

This utility model relates to the field of vehicle lighting technology, and in particular to a radiator mechanism for automotive headlights. The radiator mechanism includes a radiator, a base, an LED light panel, and several fixing structures. The LED light panel is mounted on the radiator. The LED light panel and the radiator are respectively mounted on the base. Each fixing structure includes a fastener and an adjusting plate. The fastener is mounted on the base and includes a retaining plate. The retaining plate and the adjusting plate are respectively fixed to the fastener. When driven, the fastener rotates relative to the base between a first position and a second position. In the first position, the retaining plate is in contact with the base, and the adjusting plate is separated from the radiator. In the second position, the retaining plate is separated from the base, and the retaining plate and the adjusting plate abut against and are secured to the radiator. This radiator mechanism reduces the weight and cost of the radiator, and improves the heat dissipation efficiency and disassembly speed.

Description

Technical Field

[0001] This utility model relates to the field of vehicle lighting technology, and in particular to a radiator mechanism for use in automobile lights. Background Technology

[0002] The LED chips in automobiles generate a significant amount of heat during the light-emitting process. Installing a heat sink helps dissipate this heat effectively, extending the lifespan of the headlights and ensuring their safety and reliability. Currently, automotive headlight heat sinks are made of metal materials such as die-cast aluminum or extruded aluminum profiles, or of plastic materials.

[0003] In related technologies, aluminum has a high thermal conductivity, but it is too heavy, has a complex and costly processing procedure, cannot achieve complex, thin-walled internal structures, is difficult to optimize heat dissipation airflow and maximize effective heat dissipation area, and has complex assembly. Plastic materials can be used to make heat sinks to reduce weight and cost, but ordinary plastic heat sinks have poor thermal conductivity and cannot meet the heat dissipation requirements of LED vehicle lights. They are also prone to softening and deformation at high temperatures, and the locking screws are prone to loosening, which seriously limits their application range. Summary of the Invention

[0004] The main purpose of this utility model is to provide a radiator mechanism for automotive headlights, which aims to reduce the weight and cost of the radiator, and improve the heat dissipation efficiency and disassembly speed of the radiator mechanism.

[0005] To achieve the above objectives, this utility model proposes a heat sink mechanism for automotive headlights, comprising: a heat sink, a base, an LED light panel, and several fixing structures. The LED light panel is mounted on the heat sink; the LED light panel and the heat sink are respectively mounted on the base; each fixing structure includes a fastener and an adjusting plate; the fastener is mounted on the base and includes a retaining plate; the retaining plate and the adjusting plate are respectively fixed to the fastener; the fastener rotates relative to the base between a first position and a second position when driven. The fastener is in the first position, the fastening plate is attached to the base, and the adjusting plate is separated from the heat sink; The fastener is in the second position, the fastening plate is separated from the base, and the fastening plate and the adjusting plate respectively abut against and fasten to the heat sink.

[0006] In an optional embodiment, the fastener includes a connecting ring and a support plate, the connecting ring connecting the fastener plate and the support plate; each fixing structure includes a fixing shaft, and the connecting ring is mounted on the fixing shaft.

[0007] In an optional embodiment, the base is provided with a plurality of grooves, and each groove wall is provided with a mounting hole, the mounting hole being fitted with the fixed shaft.

[0008] In an optional embodiment, each fixing structure includes a connecting shaft, and the adjusting plate and the supporting plate are respectively provided with through holes, and the connecting shaft is installed in the through holes.

[0009] In an optional embodiment, each fixing structure includes an elastic element, the elastic element having a first part, a second part and a third part connecting the first part and the second part, the third part being fixed to the connecting shaft, the first part abutting against the adjusting plate, and the second part abutting against the supporting plate.

[0010] In an optional embodiment, the adjusting plate and the supporting plate are each provided with two protrusions, the first part being secured between the two protrusions of the adjusting plate, and the second part being secured between the two protrusions of the supporting plate.

[0011] In an optional embodiment, the heat sink includes a plurality of fins and a base, the plurality of fins being fixed to the base respectively; the LED light board is provided with a plurality of fixing slots, the base is provided with a plurality of fixing blocks, and each fixing slot is positioned to a corresponding fixing block.

[0012] In an optional embodiment, the base is provided with a plurality of positioning posts; the plurality of fins are provided with a positioning hole corresponding to each positioning post, and each positioning post is engaged in the corresponding positioning hole; the plurality of positioning posts, the LED light board and the base are respectively provided with fixing holes in the corresponding positioning holes, and each fixing hole is coaxial with the corresponding positioning hole.

[0013] In an optional embodiment, the base is provided with a limiting block, and the base is fixed to the limiting block.

[0014] In an optional embodiment, the base is provided with a plurality of positioning blocks and the base is provided with a plurality of positioning grooves, and each positioning block is fitted into a corresponding positioning groove.

[0015] This utility model discloses a heat sink mechanism for automotive headlights, comprising: a heat sink, a base, an LED light panel, and several fixing structures. The LED light panel is mounted on the heat sink; the LED light panel and the heat sink are respectively mounted on the base; each fixing structure includes a fastener and an adjusting plate; the fastener is mounted on the base and includes a retaining plate; the retaining plate and the adjusting plate are respectively fixed to the fastener; when driven, the fastener rotates relative to the base between a first position and a second position; in the first position, the retaining plate is in contact with the base, and the adjusting plate is separated from the heat sink; in the second position, the retaining plate is separated from the base, and the retaining plate and the adjusting plate respectively abut against and secure to the heat sink.

[0016] In this invention, when installing the radiator, the radiator is embedded in the base, and the radiator presses against the adjustment plate. The fastener rotates from the first position to the second position, and the fastening plate secures the radiator. Then, screws are used to fix it in place. When removing the radiator, the fixing screws are unscrewed, the radiator is pulled upwards, the radiator presses against the adjustment plate, and the fastener rotates from the second position to the first position, allowing the radiator to be removed. It can be seen that when installing and removing the radiator, only one hand is needed to press the component, making the operation simple and convenient. When removing it, a certain amount of force is required to squeeze the adjustment plate to prevent the radiator from accidentally loosening. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0018] Figure 1 This is a perspective view of a structural schematic diagram of an embodiment of a radiator mechanism for automotive headlights according to the present invention. Figure 2 for Figure 1 The image shows a cross-sectional view along the AA direction of a radiator mechanism used in automotive headlights. Figure 3 for Figure 2 The image shows a partial enlarged view of section I of a radiator mechanism used in automotive headlights. Figure 4 This is an exploded view of a radiator mechanism for automotive headlights according to the present invention. Figure 5 for Figure 4 A partial enlarged view of section II of a radiator mechanism used in automotive headlights is shown. Figure 6 for Figure 5 The image shows a partial enlarged view of section III of a radiator mechanism used in automotive headlights.

[0019] Explanation of icon numbers: 100 heat sink 400 Fixed structure 10 fins 40 Card firmware 11 positioning holes 40a Cardboard 12 base 40b Connecting ring 13 positioning groove 40c support plate 14 Fixed block 41 Fixed shaft 200 base 42 Adjustment plate 20 groove 43 Connecting shaft 21 Mounting holes 44 Through hole 22 Positioning Post 45 elastic element 23 Fixing hole 45a Part One 24 Limit block 45b Part Two 25 Positioning block 45c Part Three 300 LED light panel 46 bump 30 Fixed slot The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0022] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0023] Reference Figures 1 to 6 This utility model proposes a radiator mechanism for use in automotive headlights.

[0024] In this embodiment of the invention, the heat sink mechanism specifically includes a heat sink 100, a base 200, an LED light panel 300, and several fixing structures 400, wherein the LED light panel 300 is fixed to the heat sink 100. The LED light panel 300 and the heat sink 100 are respectively mounted on the base 200. Each fixing structure 400 includes a fastener 40 and an adjusting plate 42. The fastener 40 is mounted on the base 200 and includes a retaining plate 40a. The retaining plate 40a and the adjusting plate 42 are respectively fixed to the fastener 40. When driven, the fastener 40 rotates relative to the base 200 between a first position and a second position.

[0025] The fastener 40 is in the first position, the fastening plate 40a is attached to the base 200, and the adjusting plate 42 is separated from the heat sink 100.

[0026] The fastener 40 is in the second position, the fastening plate 40a is separated from the base 200, and the fastening plate 40a and the adjusting plate 42 respectively abut against and fasten to the radiator 100.

[0027] Please refer to Figure 2 and Figure 4 The base 200 is provided with several positioning posts 22, limiting blocks 24, and several positioning blocks 25. The radiator 100 includes several fins 10 and a base 12, with the fins 10 fixed to the base 12. Furthermore, the fins 10 employ staggered widths and biomimetic curved surfaces, rather than conventional parallel fins 10, to increase the heat dissipation area, optimize heat dissipation and airflow, and improve heat exchange efficiency. Transverse reinforcing ribs are added between adjacent fins 10 to enhance the structural rigidity of the fins 10 and prevent resonance. The base 12 is fixed to the limiting blocks 24 and is provided with several positioning grooves 13 and several fixing blocks 14. Each positioning block 25 engages with a corresponding positioning groove 13, facilitating the positioning and installation of the radiator 100. Each fin 10 has a positioning hole 11 corresponding to each positioning post, and each positioning post 22 engages with the corresponding positioning hole 11, facilitating the positioning and installation of the radiator 100. A number of positioning posts 22, LED light panel 300, and base 12 are respectively provided with fixing holes 23 on corresponding positioning holes 11. Each fixing hole 23 is coaxial with the corresponding positioning hole 11, which facilitates the fixing of LED light panel 300 and heat sink 100 to base 200 with screws on the fixing holes 23. LED light panel 300 is provided with a number of fixing grooves 30. Each fixing groove 30 is attached and fixed to the corresponding fixing block 14 through a thermally conductive medium to achieve electrical insulation and heat conduction. The thermally conductive medium can be thermally conductive silicone grease, thermally conductive adhesive, thermally conductive pad, etc. Among them, annular bosses are added around the positioning holes 11 to prevent the plastic parts from being connected firmly and to extend their lifespan. Preferably, the heat sink 100 is made of glass fiber reinforced PA6 by a one-piece injection molding process. The number of fins 10, base 12, number of positioning holes 11, number of fixing holes 23, number of positioning grooves 13, and number of fixing blocks 14 are all formed simultaneously in one injection molding process, which facilitates subsequent assembly.

[0028] Please refer to Figures 2 to 6 The fastener 40 includes a connecting ring 40b and a support plate 40c. The fastener 40 is formed by connecting the fastening plate 40a and the support plate 40c through the connecting ring 40b. Each fixing structure 400 includes a fixing shaft 41, and the connecting ring 40b is fixed to the fixing shaft 41 with a clearance fit. The base 200 is provided with a plurality of grooves 20, and the groove wall of each groove 20 is provided with a mounting hole 21. The fixing shaft 41 is fixed to the mounting hole 21 with an interference fit. Preferably, the fastener 40 and the adjusting plate 42 can be made of POM, which has high rigidity, strength, hardness and fatigue resistance, and a low coefficient of friction to ensure smooth fastening of the fixing structure 400, but it is not limited to this.

[0029] Each fixed structure 400 includes a connecting shaft 43 and an elastic element 45. An adjusting plate 42 and a supporting plate 40c are each provided with a through hole 44. The connecting shaft 43 is fixed to the through hole 44 with a clearance fit. The elastic element 45 has a first part 45a, a second part 45b, and a third part 45c, formed by connecting the first part 45a and the second part 45b with the third part 45c. The third part 45c is fixed to the connecting shaft 43. The first part 45a abuts against the adjusting plate 42, and the second part 45b abuts against the supporting plate 40c. The adjusting plate 42 and the supporting plate 40c are each provided with two protrusions 46. The first part 45a is secured between the two protrusions 46 of the adjusting plate 42, and the second part 45b is secured between the two protrusions 46 of the supporting plate 40c. Preferably, the elastic element 45 can be a torsion spring made of austenitic stainless steel, which effectively resists moisture corrosion and prevents rust. It can control the rotation of the fastener 40 between a first and second position when the radiator 100 is installed or removed, but is not limited to this. Preferably, the fixed shaft 41 and the connecting shaft 43 can be made of stainless steel, which has high strength, high hardness, and wear resistance, but is not limited to this.

[0030] In this utility model, when installing the radiator 100, the radiator 100 is embedded in the base 200, the radiator 100 presses against the adjusting plate 42, the fastener 40 rotates from the first position to the second position, the fastening plate 40a secures the radiator 100, and then it is fixed with screws; when removing the radiator 100, the fixing screws are unscrewed, the radiator 100 is pulled upwards, the radiator 100 presses against the adjusting plate 42, the fastener 40 rotates from the second position to the first position, and then the radiator 100 is removed; it can be seen that when installing and removing the radiator 100, only one hand is needed to press the component, and the operation is simple and convenient; when removing it, a certain amount of force is needed to squeeze the adjusting plate 42 to prevent the radiator 100 from accidentally loosening.

[0031] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A heat sink mechanism applied to a car light, characterized by, include: The system comprises a heat sink, a base, an LED light panel, and several fixing structures. The LED light panel is mounted on the heat sink. The LED light panel and the heat sink are respectively mounted on the base. Each fixing structure includes a fastener and an adjusting plate. The fastener is mounted on the base and includes a retaining plate. The retaining plate and the adjusting plate are respectively fixed to the fastener. When driven, the fastener rotates relative to the base between a first position and a second position. The fastener is in the first position, the fastening plate is attached to the base, and the adjusting plate is separated from the heat sink; The fastener is in the second position, the fastening plate is separated from the base, and the fastening plate and the adjusting plate respectively abut against and fasten to the heat sink.

2. The radiator mechanism for automotive headlights as described in claim 1, characterized in that, The fastener includes a connecting ring and a support plate, the connecting ring connecting the fastener plate and the support plate; each fixing structure includes a fixing shaft, and the connecting ring is mounted on the fixing shaft.

3. A radiator mechanism for automotive headlights as described in claim 2, characterized in that, The base is provided with several grooves, and each groove wall is provided with a mounting hole, which is fitted with the fixed shaft.

4. A radiator mechanism for automotive headlights as described in claim 3, characterized in that, Each fixed structure includes a connecting shaft, and the adjusting plate and the supporting plate are respectively provided with through holes, and the connecting shaft is installed in the through holes.

5. A radiator mechanism for automotive headlights as described in claim 4, characterized in that, Each fixed structure includes an elastic element, which has a first part, a second part and a third part connecting the first part and the second part. The third part is fixed to the connecting shaft, the first part abuts against the adjusting plate, and the second part abuts against the supporting plate.

6. A radiator mechanism for automotive headlights as described in claim 5, characterized in that, The adjusting plate and the supporting plate are each provided with two protrusions. The first part is fixed between the two protrusions of the adjusting plate, and the second part is fixed between the two protrusions of the supporting plate.

7. A radiator mechanism for automotive headlights as described in claim 6, characterized in that, The heat sink includes several fins and a base, with the fins fixed to the base respectively; the LED light board is provided with several fixing slots, and the base is provided with several fixing blocks, with each fixing slot positioned at a corresponding fixing block.

8. A radiator mechanism for automotive headlights as described in claim 7, characterized in that, The base is provided with a plurality of positioning posts; each of the plurality of fins is provided with a positioning hole corresponding to each positioning post, and each positioning post is locked in the corresponding positioning hole; the plurality of positioning posts, the LED light board and the base are respectively provided with fixing holes in the corresponding positioning holes, and each fixing hole is coaxial with the corresponding positioning hole.

9. A radiator mechanism for automotive headlights as described in claim 8, characterized in that, The base is provided with a limiting block, and the base is fixed to the limiting block.

10. A radiator mechanism for automotive headlights as described in claim 9, characterized in that, The base is provided with a number of positioning blocks, and the base is provided with a number of positioning grooves, with each positioning block fitting into the corresponding positioning groove.

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