A detachable high and low beam module

Abstract

The utility model relates to a kind of detachable high-low beam module, low beam module includes low beam radiator, low beam board and low beam reflection net, low beam radiator includes first heat sink, and multiple first fins are formed with in the rear side longitudinal penetration of first heat sink;High beam module includes high beam radiator, high beam board and high beam reflection net;The lower end both sides of first heat sink are equipped with connecting seat, and high beam radiator includes second heat sink and multiple second fins being spaced apart, second heat sink is obliquely attached on the assembly inclined plane of connecting seat, and they are detachably assembled by first bolt between high-low beam module and high beam module in high-low beam module and high beam module.The above scheme, by high-low beam module is designed as detachable connection structure, allow low beam module and high beam module to be manufactured and assembled separately, reduce mold complexity, reduce mold cost.Independent two radiators can quickly realize the heat dissipation of respective module, improve heat dissipation capacity.

Description

Technical Field

[0001] This utility model relates to the field of automotive lighting technology, and in particular to a detachable high and low beam module. Background Technology

[0002] In existing vehicle headlights, the high beam and low beam modules use the same heat sink for cooling, which presents the following technical problems:

[0003] ① When the ejection directions on both sides of the heat sink are inconsistent, the mold processing cost is high, which increases the overall cost.

[0004] ② A single heat sink is used for both high and low beam headlights, which results in insufficient heat dissipation and poor heat dissipation efficiency;

[0005] ③ The lens module occupies a large space, which increases the internal space required by the lamp body and thus occupies a large space. Summary of the Invention

[0006] To address the aforementioned issues, the present invention aims to provide a detachable high and low beam module. This module comprises a detachable low beam module and a high beam module, each with its own independent low beam heat sink and high beam heat sink. This allows for convenient and quick processing and disassembly of the high and low beam modules, saving processing time, reducing module costs, while simultaneously improving heat dissipation capacity and reducing the overall lamp space requirements.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A detachable high / low beam module, characterized in that it includes a decorative frame, a lens, and a detachably connected low beam module and high beam module. The low beam module includes a low beam heat sink, a low beam plate, and a low beam reflector. The low beam heat sink includes a first heat sink plate, with multiple first heat sink fins longitudinally formed through its rear side, and the multiple first heat sink fins are arranged at intervals. The low beam plate is disposed at the upper end of the first heat sink plate and close to the first heat sink fins. The low beam reflector is disposed at the upper end of the low beam plate for reflecting the low beam onto the lens.

[0009] The high beam module is disposed between the low beam module and the lens, and is located diagonally below the first heat sink. It includes a high beam heat sink, a high beam plate, and a high beam reflector. The lower part of the first heat sink has a clearance opening on the side facing the high beam module. Connecting seats are provided on both sides of the lower end of the first heat sink. The bottom surface of the connecting seat is constructed as an assembly slope facing the high beam module, and an assembly hole is opened on the assembly slope. The high beam heat sink includes a second heat sink and multiple spaced second heat sinks. The upper rear side of the second heat sink is configured as a mating slope opposite to the assembly slope. The second heat sink is inclined and attached to the mating slope. The high beam plate is obliquely disposed at the upper end of the second heat sink. The high beam reflector is obliquely disposed at the upper end of the high beam plate to reflect the high beam pattern onto the lens.

[0010] The two ends of the second heat sink extend out from both sides of multiple second heat sinks and are provided with connection holes; the two ends of the second heat sink fit against the mounting bevel so that the mounting holes correspond to the connection holes, and the low beam module and the high beam module are detachably assembled by the first bolt.

[0011] In the above technical solution, the high and low beam modules include a decorative frame, a lens, and detachably connected low beam and high beam modules. The low beam module includes a low beam heat sink, a low beam plate, and a low beam reflector; the high beam module includes a high beam heat sink, a high beam plate, and a high beam reflector. The low beam heat sink includes a first heat sink plate and multiple first heat sink fins. Connecting seats are provided on both sides of the lower end of the first heat sink plate. The bottom surface of the connecting seat is constructed as an assembly slope facing the high beam module. Assembly holes are provided on the assembly slope plate. The second heat sink plate of the high beam heat sink is detachably connected to the connecting seat by first bolts.

[0012] Therefore, by designing the high and low beam modules with a detachable connection structure, the low beam module and high beam module can be manufactured and assembled separately, reducing mold complexity (especially avoiding the problem of inconsistent ejection directions on both sides) and reducing mold costs. At the same time, the detachable connection facilitates maintenance and component replacement, improving product flexibility and maintainability.

[0013] The high beam module is positioned diagonally below the low beam module, and the spatial layout is optimized by using clearance openings and mounting slopes, reducing the space occupied by the module and thus reducing the internal space requirements of the entire lamp.

[0014] The low beam module uses a low beam heat sink for heat dissipation, while the high beam module uses a high beam heat sink. The two independent heat sinks can quickly dissipate heat for their respective modules, improving heat dissipation capacity.

[0015] Preferably, the front ends of the first heat sink plate are provided with connecting plates extending towards the decorative frame and the lens. The upper end of the connecting plate is provided with a first positioning post. The upper ends of the two connecting plates are provided with low beam cut-off line baffles. The low beam cut-off line baffles are provided with first positioning holes that cooperate with the first positioning posts. The low beam cut-off line baffles and the connecting plates are detachably connected by a second bolt.

[0016] Preferably, the upper end of the first heat sink is provided with a second positioning post and a third positioning post, and the low beam lamp plate is provided with a second positioning hole and a third positioning hole respectively; the low beam reflector is provided with a pre-installed hole, and the first heat sink, the low beam lamp plate and the low beam reflector are detachably connected by a third bolt.

[0017] Preferably, the first heat sink is corrugated.

[0018] Preferably, a fixing plate is provided between the rear sides of adjacent first heat sinks, and protruding walls are provided on both sides of the first heat sink to connect with the first heat sink and the fixing plate.

[0019] Preferably, one connector is connected to the first heat sink, and the other connector is offset on the bottom surface of the connector plate.

[0020] Preferably, a support plate is provided between every two second heat sinks, and there are two support plates arranged at intervals, forming a heat dissipation vent between the support plates; the support plate is provided with rivet holes, and the back of the second heat sink is provided with corresponding rivet protrusions that cooperate with the rivet holes; the second heat sink, the high beam plate, and the high beam reflector are detachably provided with a fourth bolt, and the second heat sink and the high beam plate are also detachably provided with a fifth bolt.

[0021] Preferably, the connecting plate has connecting columns formed longitudinally on both sides, and the upper front end of the connecting column is detachably connected to the decorative frame by a sixth bolt; the front end of the connecting plate has an assembly plate formed downward, and the front end of the assembly plate is detachably connected to the decorative frame by a seventh bolt; the front end of the assembly plate is also provided with a fourth positioning column, and the decorative frame is provided with a fourth positioning hole that cooperates with the fourth positioning column.

[0022] Preferably, the decorative frame has an installation through hole, and the two side walls of the decorative frame have multiple mating holes communicating with the installation through hole, with elastic buckles inside the mating holes; the front end of the installation through hole forms an annular baffle, and the back of the annular baffle has multiple pressing protrusions and at least one positioning protrusion. The lens protrudes from the decorative frame along the installation through hole to the surface of the lens, and the elastic buckle abuts against the back of the outer edge of the lens. The outer edge of the lens has a slot corresponding to the positioning protrusion.

[0023] The present invention adopts the above technical solution and has the following technical effects:

[0024] ① The high and low beam module includes a decorative frame, a lens, and a detachably connected low beam module and high beam module. The low beam module includes a low beam heat sink, a low beam plate, and a low beam reflector; the high beam module includes a high beam heat sink, a high beam plate, and a high beam reflector. The low beam heat sink includes a first heat sink and multiple first heat sink fins. Connecting seats are provided on both sides of the lower end of the first heat sink. The bottom surface of the connecting seat is constructed as an assembly slope facing the high beam module. Assembly holes are provided on the assembly slope. The second heat sink of the high beam heat sink is detachably connected to the connecting seat by first bolts.

[0025] Therefore, by designing the high and low beam modules with a detachable connection structure, the low beam module and high beam module can be manufactured and assembled separately, reducing mold complexity (especially avoiding the problem of inconsistent ejection directions on both sides) and reducing mold costs. At the same time, the detachable connection facilitates maintenance and component replacement, improving product flexibility and maintainability.

[0026] ② The high beam module is located diagonally below the low beam module, and the spatial layout is optimized by using clearance and mounting slope, which reduces the space occupied by the module and thus reduces the internal space requirements of the entire lamp.

[0027] ③ The low beam module uses the low beam heat sink for heat dissipation, and the high beam module uses the high beam heat sink for heat dissipation. The two independent heat sinks can quickly dissipate heat from their respective modules, improving heat dissipation capacity. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of a three-dimensional structure of a detachable high and low beam module.

[0029] Figure 2 This is a three-dimensional structural diagram of a detachable high / low beam module from another perspective.

[0030] Figure 3 This is a schematic diagram showing the low beam module and the high beam module connected by the first bolt.

[0031] Figure 4 This is a schematic diagram of the three-dimensional structure of the low beam module.

[0032] Figure 5 This is a schematic diagram showing the arrangement of the connecting base at the lower end of the first heat sink.

[0033] Figure 6 This is a schematic diagram showing the arrangement of the connecting plates and connecting columns on the first heat sink.

[0034] Figure 7 This is a schematic diagram of the front structure of a detachable high / low beam module.

[0035] Figure 8 for Figure 7 Schematic diagram of the AA-direction section.

[0036] Figure 9 for Figure 7 Schematic diagram of the BB-direction section.

[0037] Figure 10 This is a schematic diagram of the three-dimensional structure of the low beam headlight panel.

[0038] Figure 11 This is a three-dimensional structural diagram of the low beam headlight cutoff line baffle.

[0039] Figure 12 This is a schematic diagram of the three-dimensional structure of the high beam module.

[0040] Figure 13 This is a schematic diagram showing the arrangement of the support plate between the two second heat sinks.

[0041] Figure 14 This is a three-dimensional structural diagram of the second heat sink.

[0042] Figure 15 This is a schematic diagram of the assembly of the decorative frame and the lens.

[0043] Figure 16 This is a schematic diagram of the three-dimensional structure of the decorative frame.

[0044] Figure 17 This is a schematic diagram of the three-dimensional structure of a lens. Detailed Implementation

[0045] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0046] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0047] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more, unless otherwise expressly defined.

[0048] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0049] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0050] like Figures 1-17 The diagram shows a detachable high / low beam module, including a decorative frame 1, a lens 2, and detachably connected low beam module 3 and high beam module 4. The low beam module 3 includes a low beam heat sink, a low beam plate 5, and a low beam reflector 6. The low beam heat sink includes a first heat sink 7, with multiple first heat sink fins 8 longitudinally formed through the rear side of the first heat sink 7, and the multiple first heat sink fins 8 are arranged at intervals. The low beam plate 5 is disposed at the upper end of the first heat sink 7 and close to the first heat sink fins 8. The low beam reflector 6 is disposed at the upper end of the low beam plate 5 for reflecting the low beam onto the lens 2.

[0051] The high beam module 4 is disposed between the low beam module 3 and the lens 2, and is located diagonally below the first heat sink 7. It includes a high beam heat sink, a high beam plate 9, and a high beam reflector 10. The lower part of the first heat sink 8 has a clearance opening 11 on the side facing the high beam module 4. The lower end of the first heat sink 7 has connecting seats 12 on both sides. The bottom surface of the connecting seat 12 is constructed as an assembly slope 13 facing the high beam module 4. The assembly slope 13 has an assembly hole 14. The high beam heat sink includes a second heat sink 15 and multiple spaced second heat sinks 16. The upper rear side of the second heat sink 16 is configured as a mating slope opposite to the assembly slope 13. The second heat sink 15 is inclined and attached to the mating slope. The high beam plate 9 is obliquely disposed at the upper end of the second heat sink 15. The high beam reflector 10 is obliquely disposed at the upper end of the high beam plate 9 to reflect the high beam pattern onto the lens 2.

[0052] The two ends of the second heat sink 15 extend out from both sides of multiple second heat sinks 16 and are provided with connection holes 17; the two ends of the second heat sink 15 are fitted with the mounting slope 13 so that the mounting hole 14 corresponds to the connection hole 17, and the low beam module 3 and the high beam module 4 are detachably assembled by the first bolt 18.

[0053] In the above technical solution, the high and low beam modules include a decorative frame, a lens, and detachably connected low beam and high beam modules. The low beam module includes a low beam heat sink, a low beam plate, and a low beam reflector; the high beam module includes a high beam heat sink, a high beam plate, and a high beam reflector. The low beam heat sink includes a first heat sink plate and multiple first heat sink fins. Connecting seats are provided on both sides of the lower end of the first heat sink plate. The bottom surface of the connecting seat is constructed as an assembly slope facing the high beam module. Assembly holes are provided on the assembly slope plate. The second heat sink plate of the high beam heat sink is detachably connected to the connecting seat by first bolts.

[0054] Therefore, by designing the high and low beam modules with a detachable connection structure, the low beam module and high beam module can be manufactured and assembled separately, reducing mold complexity (especially avoiding the problem of inconsistent ejection directions on both sides) and reducing mold costs. At the same time, the detachable connection facilitates maintenance and component replacement, improving product flexibility and maintainability.

[0055] The high beam module is positioned diagonally below the low beam module, and the spatial layout is optimized by using clearance openings and mounting slopes, reducing the space occupied by the module and thus reducing the internal space requirements of the entire lamp.

[0056] The low beam module uses a low beam heat sink for heat dissipation, while the high beam module uses a high beam heat sink. The two independent heat sinks can quickly dissipate heat for their respective modules, improving heat dissipation capacity.

[0057] Furthermore, connecting plates 19 extend from the front ends of the first heat sink 7 towards the decorative frame 1 and the lens 2 on both sides. A first positioning post 20 is provided at the upper end of the connecting plate 19, and a low beam cutoff line baffle 21 is mounted on the upper end of the connecting plates 19 on both sides. The low beam cutoff line baffle 21 has a first positioning hole 22 that mates with the first positioning post 20. The low beam cutoff line baffle 21 and the connecting plate 19 are detachably connected by a second bolt 23. In this technical solution, the cooperation of the positioning post and the positioning hole improves assembly efficiency, facilitates quick installation or replacement of the cutoff line baffle during manufacturing or maintenance, ensures that the beam pattern meets the standard, and reduces adjustment time.

[0058] Furthermore, the upper end of the first heat sink 7 is provided with a second positioning post 24 and a third positioning post 25, and the low beam lamp plate 5 is correspondingly provided with a second positioning hole 26 and a third positioning hole 27; the low beam reflector 6 is correspondingly provided with a pre-installation hole 28, and the first heat sink 7, the low beam lamp plate 5, and the low beam reflector 6 are detachably connected by a third bolt 29. In this technical solution, the cooperation of the positioning posts and positioning holes improves assembly efficiency, and the detachable connection between the first heat sink, the low beam lamp plate, and the low beam reflector simplifies the assembly process of the low beam module. This allows components to be manufactured and tested individually, reducing processing difficulty and improving production efficiency and maintenance convenience.

[0059] Furthermore, the first heat sink 8 is corrugated. In this technical solution, the corrugated first heat sink increases the heat dissipation surface area and improves the heat dissipation efficiency of the low beam module. This helps extend the service life of the low beam lamp panel, prevents performance degradation caused by overheating, and optimizes the heat sink design, reducing material costs.

[0060] Furthermore, a fixing plate 30 is provided between the rear sides of adjacent first heat sinks 8, and protruding walls 31 are provided on both sides of the first heat sink 8, which are connected to the first heat sink 7 and the fixing plate 30. In this technical solution, the overall rigidity and stability of the heat sink are enhanced by the fixing plate and the protruding wall structure, preventing the heat sink from deforming, improving the durability of the heat sink, and enhancing the heat dissipation performance.

[0061] Furthermore, one of the connectors 12 is connected to the first heat sink 8, while the other connector 12 is offset and positioned on the bottom surface of the connecting plate 19. In this technical solution, the offset design of the connectors optimizes space utilization and ensures the connection stability and alignment accuracy between the high beam module and the low beam module.

[0062] Furthermore, a support plate 32 is provided between every two second heat sinks 16. There are two support plates 32 arranged at intervals, forming a heat dissipation opening between them. The support plates 32 are provided with riveting holes 33, and the back of the second heat sink 15 is provided with corresponding riveting protrusions 34 that mate with the riveting holes 33. Fourth bolts 35 are detachably provided on the second heat sink 15, the high beam plate 9, and the high beam reflector 10. Fifth bolts 36 are also detachably provided on the second heat sink 15 and the high beam plate 9. In this technical solution, the design of the support plate and riveting structure in the high beam module heat sink improves the structural strength of the second heat sink, prevents deformation, and extends its service life. Three fourth bolts connect the high beam plate and the high beam reflector to the second heat sink, and two fifth bolts further lock the high beam plate and the second heat sink, increasing the connection strength. The detachable bolt connection facilitates the rapid assembly and maintenance of the high beam module and reduces costs.

[0063] Furthermore, connecting posts 37 are longitudinally formed on both sides of the connecting plate 19. The upper front end of the connecting post 37 is detachably connected to the decorative frame 1 via a sixth bolt. An assembly plate 38 is formed downwards at the front end of the connecting plate 19. The front end of the assembly plate 38 is detachably connected to the decorative frame 1 via a seventh bolt. The front end of the assembly plate 38 is also provided with a fourth positioning post 39, and the decorative frame 1 is provided with a corresponding fourth positioning hole 40 that mates with the fourth positioning post 39. In this technical solution, the cooperation of the positioning post and the positioning hole improves the assembly efficiency of the decorative frame and the low beam module. The multi-point detachable connection between the connecting post and the assembly plate and the decorative frame ensures a firm assembly of the module and the decorative frame, improves the stability of the overall structure, reduces assembly errors, enhances vibration resistance, and facilitates disassembly and maintenance.

[0064] Furthermore, a mounting through hole 41 is formed within the decorative frame 1, and multiple mating holes 42 communicating with the mounting through hole 41 are provided on the side walls of the decorative frame 1. An elastic buckle 43 is provided within the mating hole 42. An annular baffle 44 is formed at the front end of the mounting through hole 41, and multiple pressing protrusions 45 and at least one positioning protrusion 46 are provided circumferentially on the back side of the annular baffle 44. The lens 2 protrudes from the decorative frame 1 along the mounting through hole 41 to the surface of the lens 2. The elastic buckle 43 abuts against the back side of the outer edge of the lens 2, and a slot 47 corresponding to the positioning protrusion 46 is provided on the outer edge of the lens 2. In this technical solution, the elastic buckle and positioning protrusion design of the decorative frame and lens simplifies the lens installation and fixing process, eliminating the need for additional tools or complex steps, and reducing assembly time and cost. The pressing protrusion and slot structure ensure the sealing and stability of the lens, preventing loosening and improving the reliability of the vehicle lamp.

[0065] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0066] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention without departing from the principles and spirit of the present invention.

Claims

1. A detachable high / low beam module, characterized in that: The device includes a decorative frame (1), a lens (2), and a detachably connected low beam module (3) and high beam module (4). The low beam module (3) includes a low beam heat sink, a low beam plate (5), and a low beam reflector (6). The low beam heat sink includes a first heat sink (7), and multiple first heat sink fins (8) are longitudinally formed through the rear side of the first heat sink (7). The multiple first heat sink fins (8) are arranged at intervals. The low beam plate (5) is located at the upper end of the first heat sink (7) and close to the first heat sink fins (8). The low beam reflector (6) is located at the upper end of the low beam plate (5) and is used to reflect the low beam onto the lens (2). The high beam module (4) is disposed between the low beam module (3) and the lens (2), and is located diagonally below the first heat sink (7). It includes a high beam heat sink, a high beam plate (9), and a high beam reflector (10). The lower part of the first heat sink (8) is provided with a clearance opening (11) on the side facing the high beam module (4). Connecting seats (12) are provided on both sides of the lower end of the first heat sink (7). The bottom surface of the connecting seat (12) is constructed as an assembly slope (13) facing the high beam module (4). The high beam radiator includes a second heat sink (15) and multiple spaced second heat sinks (16). The upper rear side of the second heat sink (16) is configured as a mating slope opposite to the mounting slope (13). The second heat sink (15) is inclined and attached to the mating slope. The high beam plate (9) is obliquely disposed at the upper end of the second heat sink (15). The high beam reflector (10) is obliquely disposed at the upper end of the high beam plate (9) to reflect the high beam pattern onto the lens (2). The two ends of the second heat sink (15) extend out from both sides of the second heat sink (16) and are provided with connection holes (17); the two ends of the second heat sink (15) are fitted with the mounting slope (13) so that the mounting hole (14) corresponds to the connection hole (17), and the low beam module (3) and the high beam module (4) are detachably assembled by the first bolt (18).

2. A detachable high / low beam module according to claim 1, characterized in that: The front ends of the first heat sink (7) are provided with connecting plates (19) extending towards the decorative frame (1) and lens (2). The upper end of the connecting plate (19) is provided with a first positioning post (20). The upper ends of the two connecting plates (19) are provided with low beam cut-off line baffles (21). The low beam cut-off line baffles (21) are provided with a first positioning hole (22) that cooperates with the first positioning post (20). The low beam cut-off line baffles (21) and the connecting plate (19) are detachably connected by a second bolt (23).

3. A detachable high / low beam module according to claim 1, characterized in that: The upper end of the first heat sink (7) is provided with a second positioning post (24) and a third positioning post (25), and the low beam lamp plate (5) is provided with a second positioning hole (26) and a third positioning hole (27); the low beam reflector (6) is provided with a pre-installation hole (28), and the first heat sink (7), the low beam lamp plate (5) and the low beam reflector (6) are detachably connected by a third bolt (29).

4. A detachable high / low beam module according to claim 1, characterized in that: The first heat sink (8) is corrugated.

5. A detachable high / low beam module according to claim 4, characterized in that: A fixing plate (30) is provided between the rear sides of adjacent first heat sinks (8), and protruding walls (31) are provided on both sides of the first heat sink (8) to connect with the first heat sink (7) and the fixing plate (30).

6. A detachable high / low beam module according to claim 2, characterized in that: One of the connectors (12) is connected to the first heat sink (8), and the other connector (12) is offset on the bottom surface of the connector plate (19).

7. A detachable high / low beam module according to claim 1, characterized in that: A support plate (32) is provided between every two second heat sinks (16). There are two support plates (32) arranged at intervals, and a heat dissipation port is formed between the support plates (32). The support plate (32) is provided with a rivet hole (33). The back of the second heat sink (15) is provided with a rivet protrusion (34) that matches the rivet hole (33). The second heat sink (15), the high beam plate (9) and the high beam reflector (10) are provided with a fourth bolt (35). The second heat sink (15) and the high beam plate (9) are also provided with a fifth bolt (36).

8. A detachable high / low beam module according to claim 2, characterized in that: The connecting plate (19) has connecting columns (37) formed longitudinally on both sides. The upper front end of the connecting column (37) is detachably connected to the decorative frame (1) by a sixth bolt. The front end of the connecting plate (19) has an assembly plate (38) formed downward. The front end of the assembly plate (38) is detachably connected to the decorative frame (1) by a seventh bolt. The front end of the assembly plate (38) is also provided with a fourth positioning column (39). The decorative frame (1) is provided with a fourth positioning hole (40) that cooperates with the fourth positioning column (39).

9. A detachable high / low beam module according to claim 8, characterized in that: The decorative frame (1) forms an installation through hole (41), and the two side walls of the decorative frame (1) are provided with a plurality of mating holes (42) communicating with the installation through hole (41). The mating holes (42) are provided with elastic buckles (43). The front end of the installation through hole (41) forms an annular baffle (44), and the back of the annular baffle (44) is provided with a plurality of pressing protrusions (45) and at least one positioning protrusion (46). The lens (2) protrudes from the decorative frame (1) along the installation through hole (41) to the surface of the lens (2). The elastic buckle (43) abuts against the back of the outer edge of the lens (2), and the outer edge of the lens (2) is provided with a bayonet (47) corresponding to the positioning protrusion (46).

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