Lamplight module and vehicle lamp
By designing light and dark cut-off lines on the lens bracket and using an integrated injection molded lens bracket, the problems of high composition costs and high weight of narrow molds are solved, and a low-cost and lightweight lighting module design is achieved.
Patent Information
- Application Number
- CN202421650407.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2023-10-24
- Filing Date
- 2024-07-12
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-07-12
AI Technical Summary
The existing narrow modules have high production costs and heavy weight, making it difficult to reduce costs and weight while ensuring optical functions.
The lens bracket design is adopted, and the light and dark cut-off line structure is directly installed on the lens bracket, and the lens bracket is made by integral injection molding. The radiator, reflective bowl and lens are fixed with snapshots and positioning holes, reducing the number and weight of components.
While reducing production costs, the module is lightweight and the completeness of optical functions is maintained.
Smart Images

Figure CN223090467U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of vehicle lamps, in particular to a lighting module and a vehicle lamp. Background Art
[0002] In the application of modern automotive headlamp modules, due to the improvement of public aesthetics, the application of narrow modules, that is, modules with a width of less than 20 mm, is increasing. At present, the vast majority of narrow modules in the existing market are realized in the form of a reflector bowl. Most reflector bowl narrow modules are achieved by integrally molding the radiator, lens bracket, and cut-off light shield and other structures into die-castings and then performing machining, resulting in a relatively high cost. Summary of the Utility Model
[0003] In order to overcome the above technical defects, the purpose of the utility model is to provide a lighting module with a low cost and a relatively light weight of the module.
[0004] Specifically, in the lighting module of the utility model, a radiator assembly, a lens bracket, and a reflector bowl are sequentially arranged along the direction of light incidence, and the lens is fixed to the lens bracket;
[0005] The light of the lighting module is reflected at the reflector bowl and exits the lighting module from the lens. The radiator assembly, the reflector bowl, and the lens are fixed to the lens bracket.
[0006] Preferably, the lens bracket includes a first buckle member extending towards the reflector bowl and a second buckle member extending towards the lens;
[0007] The reflector bowl is provided with a first hook, which cooperates with the first buckle member to fix the reflector bowl to the lens bracket;
[0008] The second buckle member is in a groove shape, and the edge of the lens includes a pressed edge, which extends into the second buckle member and cooperates with the second buckle member to fix the lens to the lens bracket.
[0009] Preferably, the first buckle member includes a protruding structure, and both sides of the first buckle member are provided with sliding grooves. The first hook is a frame-shaped structure, and the first hook extends along the sliding grooves, and the protruding structure is adapted to the frame-shaped structure.
[0010] Preferably, the reflector bowl is provided with a third buckle member towards the lens. The third buckle member is in a groove shape and is connected to the second buckle member to form a complete groove-shaped structure. The pressed edge extends into the groove-shaped structure to fix the lens to the lens bracket and the reflector bowl. Preferably, the lens bracket is provided with a first cut-off line and a second cut-off line, which protrude towards the reflector bowl and correspond to the position of the reflector bowl.
[0011] Preferably, the lens holder is integrally formed by injection molding.
[0012] Preferably, the lens holder is provided with a first positioning hole corresponding to the second positioning hole of the radiator assembly and the third positioning hole of the reflector bowl.
[0013] Screws sequentially pass through the second positioning hole, the first positioning hole, and the third positioning hole to fix the radiator assembly, the reflector bowl, and the lens to the lens holder.
[0014] Preferably, the radiator assembly includes a radiator and a PCB board. The PCB board faces the lens holder, and the PCB board is provided with a light source.
[0015] Preferably, an overlapping structure is provided at the intersection of the PCB board and the lens holder to prevent the light emitted by the light source from leaking out of the lighting module.
[0016] On the other hand, the present invention provides a vehicle headlight including the lighting module as described in any one of the above.
[0017] In one aspect of the present invention, the lens, the reflector bowl, and the radiator assembly are all fixed on the lens holder to form a narrow module. By designing the cut-off line structure on the lens holder, and the lens holder is an integrally formed injection molding machine. On the basis of realizing the same optical function, it can not only effectively reduce the weight of the module but also reduce the production cost of the module. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 is an exploded view of the lighting module according to an embodiment of the present invention;
[0019] Figure 2 is Figure 1 a schematic diagram of the lens holder of the illustrated embodiment;
[0020] Figure 3 is Figure 1 a top view of the lens holder of the illustrated embodiment;
[0021] Figure 4 is Figure 1 a partial enlarged view of the lighting module of the illustrated embodiment;
[0022] Figure 5 is Figure 1 a partial enlarged view of the reflector bowl of the illustrated embodiment;
[0023] Figure 6 is Figure 1 a partial enlarged view of the reflector bowl of the illustrated embodiment;
[0024] Figure 7 is Figure 1Partial enlarged view of the lens holder of the illustrated embodiment;
[0025] Figure 8 is Figure 1 Partial enlarged view of the lens of the embodiment;
[0026] Figure 9 is a partial enlarged view of another lighting module that conforms to the embodiment of the present utility model.
[0027] 10 - radiator assembly, 11 - radiator, 12 - PCB board; 20 - lens holder, 21 - first buckle, 211 - chute, 212 - protrusion structure, 22 - second buckle, 23 - first light and dark cut-off line, 24 - second light and dark cut-off line, 25 - first positioning hole; 30 - reflector bowl, 31 - first hook, 32 - third buckle; 40 - lens, 41 - pressing edge, 411 - fixing rib. Detailed implementation manners
[0028] The advantages of the present utility model will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.
[0029] Here, the exemplary embodiments will be described in detail, and the examples are shown in the accompanying drawings. When the following description refers to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementation manners described in the following exemplary embodiments do not represent all implementation manners consistent with the present disclosure. On the contrary, they are merely examples of devices and methods consistent with some aspects of the present disclosure as detailed in the appended claims.
[0030] In the description of the present utility model, unless otherwise specified and defined, it should be noted that the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a mechanical connection or an electrical connection, or it can be the communication inside two elements. It can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific situations.
[0031] Figure 1 is an exploded view of the reflector bowl 30 optical module in an embodiment of the present utility model. In this embodiment, the reflector bowl 30 optical module is sequentially provided with a radiator assembly 10, a lens holder 20, and a reflector bowl 30 along the light incident direction. The lens 40 is fixed between the lens holder 20 and the reflector bowl 30; the light enters the reflector bowl 30 optical module, is reflected at the reflector bowl 30, and exits the reflector bowl 30 optical module from the lens 40. The radiator assembly 10, the reflector bowl 30, and the lens 40 are fixed to the lens holder 20. Among them, the radiator assembly 10 includes a radiator 11 and a PCB board 12, and a light source is provided on the PCB board 12 to emit light.
[0032] See Figure 2 and Figure 3 , which are respectively the schematic diagram and the top view of the lens bracket 20 in this embodiment. The lens bracket 20 is provided with a first light and dark cut-off line 23 and a second light and dark cut-off line 24, protruding towards the direction of the reflector bowl 30 and corresponding to the position of the reflector bowl 30. In this embodiment, the first light and dark cut-off line 23 is a high beam light and dark cut-off line, and the second light and dark cut-off line 24 is a low beam flat field cut-off line. In this embodiment, the light and dark cut-off line structure is directly provided on the lens bracket 20, saving the number of components inside the module and reducing the weight of the module at the same time. It can be understood that in other embodiments, the specific position and number of the light and dark cut-off lines on the lens bracket 20 are determined according to the design of the reflector bowl 30 to meet safety requirements and regulatory requirements.
[0033] In addition, referring to Figure 4 and 5 and 6, the lens bracket 20 in this embodiment includes a first buckle 21 and a second buckle 22 located on both sides thereof, wherein the second buckle 22 extends towards the reflector bowl 30, and the first buckle 21 and the second buckle 22 are arranged adjacent to each other; the reflector bowl 30 is provided with first hooks 31 located on both sides thereof, which cooperate with the first buckle 21 to fix the reflector bowl 30 to the lens bracket 20; the second buckle 22 is in a groove shape, and the lens 40 is provided with a crimping edge 41 at its edge, which extends into the second buckle 22 and cooperates with the second buckle 22 to fix the lens 40 to the lens bracket 20.
[0034] Combined with Figures 4 - 7 it can be known that the first buckle 21 includes a protruding structure 212; the lens bracket 20 is also provided with chutes 211 located on both sides of the first buckle 21, the first hook 31 is a frame-shaped structure, the first hook 31 extends along the chute 211, and the protruding structure 212 is adapted to the frame-shaped structure. The reflector bowl 30 is provided with a third buckle 32 towards the lens 40, the third buckle 32 is in a groove shape and is connected to the second buckle 22 to form a complete groove-shaped structure, and the crimping edge 41 extends into the groove-shaped structure to fix the lens 40 between the lens bracket 20 and the reflector bowl 30. See Figure 8 , which is a partial enlarged view of the crimping edge 41 in this embodiment. Fixing ribs 411 are respectively provided on both sides of the crimping edge 41 towards the lens bracket 20 and away from the lens bracket 20, and are fixed in the third buckle of the reflector bowl 30 to fasten the lens 40 between the reflector bowl 30 and the lens bracket 20.
[0035] Combined with Figure 3The first positioning hole 25 provided in the lens bracket 20 shown corresponds to the second positioning hole (not shown in the figure) of the radiator assembly 10 and the third positioning hole (not shown in the figure) of the reflector bowl 30; a fixing member (such as a screw) sequentially passes through the second positioning hole, the first positioning hole 25 and the third positioning hole to fix the radiator assembly 10, the reflector bowl 30 and the lens 40 to the lens bracket 20. The fixation of the entire module in the Z-axis direction is achieved.
[0036] The number and specific arrangement positions of the above-mentioned first positioning hole 25, second positioning hole and third positioning hole are determined according to actual requirements, and the present utility model does not make specific limitations here.
[0037] In another embodiment of the present utility model, in order to further reduce the weight and the number of components of the module, the lens bracket 20 is integrally formed by injection molding.
[0038] In another embodiment of the present utility model, in order to further prevent the light of the light source from leaking out of the module, as Figure 9 shown, the PCB board 12 of the radiator assembly 10 and the lens bracket 20 intersect to form an overlapping structure to prevent LED light leakage.
[0039] In this embodiment, the radiator assembly 10 is located below, the lens bracket 20 is provided with a stepped surface extending downward, the free end of the PCB board 12 is recessed downward, and the downwardly recessed free end is located within the stepped surface to form an overlapping structure.
[0040] In another embodiment of the present utility model, a vehicle lamp is provided, which includes the reflector bowl 30 optical module described in any one of the above. Its technical features are the same as those of the reflector bowl 30 optical module, and the present utility model will not elaborate here.
[0041] It should be noted that the embodiments of the present utility model have good implementability and do not limit the present utility model in any form. Any person skilled in the art may use the disclosed technical content to change or modify it into an equivalent effective embodiment. However, as long as it does not depart from the technical content of the present utility model, any modification, equivalent change or modification made to the above embodiments according to the technical essence of the present utility model still falls within the scope of the technical solution of the present utility model.
Claims
1. A lighting module, characterized in that, A radiator assembly, a lens bracket, and a reflector bowl are sequentially provided along the direction of light incidence, and the lens is fixed to the lens bracket; The light is reflected at the reflector bowl and exits the lighting module from the lens. The radiator assembly, the reflector bowl, and the lens are fixed to the lens bracket; The lens bracket is provided with a first cut-off line and a second cut-off line, which protrude towards the reflector bowl and correspond to the position of the reflector bowl.
2. The lighting module according to claim 1, wherein The lens bracket includes a first buckle and a second buckle located on both sides thereof; The reflector bowl is provided with a first hook, which cooperates with the first buckle to fix the reflector bowl to the lens bracket; The second buckle is in a groove shape, and the edge of the lens includes a crimping edge, which extends into the second buckle and cooperates with the second buckle to fix the lens to the lens bracket.
3. The lighting module according to claim 2, wherein The first buckle includes a protruding structure, and sliding grooves are provided on both sides of the first buckle. The first hook is a frame-shaped structure, and the first hook extends along the sliding grooves, and the protruding structure is adapted to the frame-shaped structure.
4. The lighting module according to claim 3, wherein A third buckle is provided on the reflector bowl facing the lens. The third buckle is in a groove shape and is connected to the second buckle to form a complete groove-shaped structure. The crimping edge extends into the groove-shaped structure to fix the lens to the lens bracket and the reflector bowl.
5. The lighting module according to any one of claims 1-4, wherein The lens bracket is integrally formed by injection molding.
6. The lighting module according to claim 5, wherein The lens bracket is provided with a first positioning hole, which corresponds to the second positioning hole of the radiator assembly and the third positioning hole of the reflector bowl; A fixing member sequentially passes through the second positioning hole, the first positioning hole, and the third positioning hole to fix the radiator assembly, the reflector bowl, and the lens to the lens bracket.
7. The lighting module according to claim 6, wherein The radiator assembly includes a radiator and a PCB board. The PCB board faces the lens bracket, and the PCB board is provided with a light source.
8. The lighting module according to claim 7, wherein An overlapping structure is provided at the intersection of the PCB board and the lens bracket.
9. A vehicle lamp, characterized in that, Including the lighting module according to any one of claims 1-8.