Multifunctional automobile tail lamp
By integrating two circuit boards and light guide structures into the car taillights, the problems of large installation space and complicated assembly of multiple circuit boards are solved, and a compact and easy-to-assemble multi-functional car taillights are achieved.
Patent Information
- Application Number
- CN202421950898.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-08-12
AI Technical Summary
Existing car taillights require multiple circuit boards to achieve braking, reversing, daytime driving and steering reminder functions, resulting in large installation space and complicated assembly.
A multi-functional car taillight is designed, using C-shaped and rectangular installation areas in the lamp shell, integrating two circuit boards, and through the position lamp light guide structure, turn signal light guide parts and multi-light light guide structure, the multi-functional lighting effect is achieved and the number of circuit boards is reduced.
It realizes that only two circuit boards can form a variety of lighting functions, compact structure, easy assembly, and reduces installation space and complexity.
Smart Images

Figure CN223242581U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile lamps, in particular to a multifunctional automobile taillight. Background Art
[0002] A car is usually equipped with signal lights at its rear end, which are turned on when braking, reversing, daytime running or turning to alert pedestrians or vehicles behind the motor vehicle and ensure the safe driving of the motor vehicle.
[0003] Existing automotive taillights require the sequential installation of a brake light module, a reverse light module, a position light module, and a turn signal module within a lamp housing to achieve braking, reversing, daytime running, and turn signal functions. Each lamp module includes a circuit board and a corresponding light guide structure. The installation of multiple circuit boards requires significant space within the lamp housing and is complex. Therefore, there is a need for a multifunctional automotive taillight that can integrate the circuit boards of multiple lamp modules, thereby reducing the number of required circuit boards. Utility Model Content
[0004] The purpose of the utility model is to provide a multifunctional automobile taillight.
[0005] To achieve the above objectives, the present invention provides the following technical solutions:
[0006] A multifunctional automobile taillight, comprising a lamp housing, a first circuit board, a second circuit board, a position light light guide structure, a turn light light guide member and a multi-lamp light guide structure;
[0007] The lamp housing has a C-shaped first mounting area formed on the top, outer side and bottom thereof, a second mounting area formed on the inner side thereof, and a C-shaped third mounting area formed between the first mounting area and the second mounting area;
[0008] The first circuit board and the second circuit board are both installed in the lamp housing, with the first circuit board arranged behind the second circuit board. The first circuit board is formed with a position light lighting area arranged in the first installation area and a turn signal lighting area arranged in the third installation area. The position light lighting area is provided with a plurality of first LED light sheets at intervals thereon, and the turn signal lighting area is provided with a plurality of second LED light sheets at intervals thereon. The position light guide structure is correspondingly installed in the first installation area, and the turn signal light guide is correspondingly installed in the third installation area. The position light guide structure guides light to the first LED light sheets, and the turn signal light guide guide guides light to the second LED light sheets.
[0009] The second circuit board is arranged in the second installation area. The second circuit board has an LED installation area formed on one side of its outer surface. The LED installation area is formed with a plurality of brake light lighting parts spaced from one end to the other end, and a reverse light lighting part is formed between each adjacent brake light lighting part. A plurality of third LED light pieces are arranged side by side on each brake light lighting part, and a plurality of fourth LED light pieces are arranged side by side on each reverse light lighting part. The multi-lamp light guide structure is correspondingly loaded into the second installation area, and the multi-lamp light guide structure is used to guide light to the third LED light pieces and the fourth LED light pieces.
[0010] As a further technical solution of the present utility model: the multifunctional automobile taillight includes a lampshade structure, the lampshade structure includes an inner lens two-color lampshade covered in the first installation area, the inner lens two-color lampshade is provided with a light-shielding cover body covered along the edge of the first installation area and an inner lens cover surface connected to the top of the light-shielding cover body and located above the first installation area, the inner lens cover surface is formed by splicing the top cover surface section located on the inner side and the side cover surface section located on the outer side at an obtuse angle.
[0011] As a further technical solution of the present utility model: the position light light guide structure includes a first light guide lens and a second light guide lens, the first light guide lens and the second light guide lens are arranged between the inner lens two-color lampshade and the position light lighting area, the first light guide lens forms a first light guide segment parallel to the position light lighting area and a second light guide segment integrally connected to the inner side of the first light guide segment and parallel to the opposite side cover segment; the second light guide lens is arranged between the first light guide segment and the second light guide segment in parallel with the top cover segment.
[0012] As a further technical solution of the present invention: the inner lens two-color lampshade is provided with a connecting seat connected to the inner side of the light-shielding cover body, and the connecting seat is arranged below the second circuit board to support the second circuit board; the connecting seat is provided with an accommodating opening corresponding to each second LED light piece on the inner edge where it is connected to the light-shielding cover body, so as to facilitate the light emission of the second LED light piece.
[0013] As a further technical solution of the present invention: the turn signal light guide is formed with a C-shaped light guide body and a positioning edge connected to the inner side of the bottom of the light guide body. The light guide body is arranged in front of the third installation area to guide light to the second LED lamp piece; the positioning edge is formed with positioning blocks at its upper and lower parts and a connecting edge connecting the two positioning blocks and the inner side of the light guide body is formed in the middle part. The second circuit board is provided between the two positioning blocks, and the connecting edge is provided with a fixing hole for connecting to the lamp housing or the connecting seat.
[0014] As a further technical solution of the present invention: the multi-lamp light-guiding structure includes an inner bracket, and the inner bracket is provided with a bracket body corresponding to the front and rear of the second circuit board; the bracket body is formed with a light-emitting area corresponding to the front and rear of the LED installation area on one side and a connection area on the other side, and the light-emitting area is provided with a first light outlet passing through the front and rear surfaces corresponding to each reversing light lighting part and a set cover is protruded corresponding to each reversing light lighting part, and the set cover is provided with a second light outlet at the top.
[0015] As a further technical solution of the present invention: the multi-lamp light guide structure includes a brake light light guide, which is arranged in front of the bracket body, and is formed with a first mounting section installed in the connection area and a plurality of first light guides integrally connected to the first mounting section and correspondingly installed in each first light outlet.
[0016] As a further technical solution of the present invention: the multi-lamp light guide structure includes a reversing light guide, which is arranged at the rear of the bracket body, and is formed with a second mounting section installed in the connection area and a second light guide body corresponding to each set of covers and integrally connected to the second mounting section, and the top of the second light guide body passes through the second light outlet.
[0017] As a further technical solution of the present invention: the lampshade structure includes a light-shielding lampshade arranged in the second installation area, and the light-shielding lampshade is provided with a light-transmitting opening for light emission from the multi-lamp light guide structure.
[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention proposes a multifunctional automobile taillight which, through the coordination among the lamp housing, the first circuit board, the second circuit board, the position light light guide structure, the turn light light guide member, the multi-light light guide structure and the lampshade structure, only needs to install two circuit boards to form the position light, turn light, brake light and reversing light. The overall structure is more compact and the assembly is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of a multifunctional automobile taillight after the outer lens lampshade is covered on the light-emitting side of the lamp housing.
[0020] Figure 2 This is a schematic diagram of the installation of the position light guide structure, turn signal light guide, multi-light light guide structure and light shielding lampshade in the lamp housing of a multi-functional automobile taillight.
[0021] Figure 3 This is a schematic diagram of the installation of the second circuit board and the inner lens two-color lampshade of the multi-functional automobile taillight in the lamp housing.
[0022] Figure 4 is a schematic diagram of a first circuit board.
[0023] Figure 5Schematic diagram of the light guide structure of the position light.
[0024] Figure 6 This is the schematic diagram of the position light light guide structure.
[0025] Figure 7 Schematic diagram of the inner lens two-color lampshade.
[0026] Figure 8 Schematic diagram of the turn signal light guide.
[0027] Figure 9 Schematic diagram of the inner bracket.
[0028] Figure 10 This is a first-person perspective image of a multi-light light guide structure.
[0029] Figure 11 This is a second perspective view of the multi-lamp light guide structure.
[0030] Figure 12 This is an exploded view of the multi-lamp light guide structure. DETAILED DESCRIPTION
[0031] The following is a detailed description of the specific embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention and are not intended to limit the scope of protection of the present invention.
[0032] See also Figure 1 、 Figure 2 and Figure 3 A multifunctional automobile taillight includes a lamp housing 10, a first circuit board 20, a second circuit board 30, a position light guide structure 40, a turn light light guide 50, a multi-lamp light guide structure 60 and a lampshade structure 70;
[0033] The lamp housing 10 has a C-shaped first mounting area 11 formed on the top, outer side and bottom thereof, a rectangular second mounting area 12 formed on the inner side thereof, and a C-shaped third mounting area 13 formed between the first mounting area 11 and the second mounting area 12.
[0034] The first circuit board 20 and the second circuit board 30 are both installed in the lamp housing 10. The first circuit board 20 is arranged behind the second circuit board 30. Figure 4The first circuit board 20 is formed with a position light illumination area 21 disposed in the first mounting area 11 and a turn signal illumination area 22 disposed in the third mounting area 13. The position light illumination area 21 is provided with a plurality of first LED light sheets 211 at intervals thereon, and the turn signal illumination area 22 is provided with a plurality of second LED light sheets 221 at intervals thereon. The position light guide structure 40 is correspondingly installed in the first mounting area 11, and the turn signal light guide member 50 is correspondingly installed in the third mounting area 13. The position light guide structure 40 guides light to the first LED light sheets 211, and the turn signal light guide member 50 guides light to the second LED light sheets 221.
[0035] The second circuit board 30 is disposed in the second mounting area 12. An LED mounting area 31 is formed on one side of an outer surface of the second circuit board 30. The LED mounting area 31 is formed with a plurality of brake light lighting sections 311 spaced from one end to the other, and a reverse light lighting section 312 is formed between each adjacent brake light lighting section 311. A plurality of third LED light sheets 301 are arranged side by side on each brake light lighting section 311, and a plurality of fourth LED light sheets 302 are arranged side by side on each reverse light lighting section 312. The multi-lamp light guide structure 60 is correspondingly installed in the second mounting area 12, and the multi-lamp light guide structure 60 guides light to the third LED light sheets 301 and the fourth LED light sheets 302.
[0036] The lampshade structure 70 includes an inner lens two-color lampshade 71 covered in the first installation area 11, a shading lampshade 72 covered in the second installation area 12, and an outer lens lampshade 73 covered on the light-emitting side of the lamp housing 10. The inner lens two-color lampshade 71 cooperates with the position light guide structure 40 to emit light, and the shading lampshade 72 cooperates with the multi-lamp light guide structure 60 to emit light.
[0037] Further, in this embodiment, referring to Figure 7 The inner lens two-color lampshade 71 is provided with a light shielding cover body 711 provided along the edge of the first installation area 11 and an inner lens cover surface 712 connected to the top of the light shielding cover body 711 and located above the first installation area 11. The inner lens cover surface 712 is formed by splicing the top cover surface segment 701 located on the inner side and the side cover surface segment 702 located on the outer side at an obtuse angle.
[0038] Further, in this embodiment, referring to Figure 5 、 Figure 6The position light guide structure 40 includes a first light guide lens 41 and a second light guide lens 42. The first light guide lens 41 and the second light guide lens 42 are arranged between the inner lens two-color lampshade 71 and the position light lighting area 21. The first light guide lens 41 is formed with a first light guide segment 411 parallel to the position light lighting area 21 and a second light guide segment 412 integrally connected to the inner side of the first light guide segment 411 and parallel to the opposite side cover segment 702; the second light guide lens 42 is arranged between the first light guide segment 411 and the second light guide segment 412 parallel to the top cover segment 701, so that after the first LED lamp sheet 211 is lit, the light is more evenly guided to the top cover segment 701 through the second light guide lens 42 parallel to the top cover segment 701, and the light is more evenly guided to the side cover segment 702 through the second light guide segment 412 parallel to the side cover segment 702, thereby improving the light output effect.
[0039] Furthermore, in this embodiment, the inner lens two-color lampshade 71 is provided with a connecting seat 713 connected to the inner side of the light-shielding cover body 711. The connecting seat 713 is arranged below the second circuit board 30 to support the second circuit board 30; the connecting seat 713 has an accommodating opening 703 corresponding to each second LED light piece 221 on its inner edge where it is connected to the light-shielding cover body 711, so as to facilitate the second LED light piece 221 to emit light.
[0040] Further, in this embodiment, referring to Figure 8 The turn signal light guide 50 is formed with a C-shaped light guide body 51 and a positioning edge 52 connected to the inner side of the bottom of the light guide body 51. The light guide body 51 is arranged in front of the third installation area 13 to guide light to the second LED lamp piece 221; the positioning edge 52 is formed with positioning blocks 521 at its upper and lower parts and a connecting edge 522 connecting the two positioning blocks 521 and the inner side of the light guide body 51 is formed in the middle part. The second circuit board 30 is arranged between the two positioning blocks 521. The connecting edge 522 is provided with a fixing hole 523 for connecting to the lamp housing 10 or the connecting seat 713.
[0041] Further, in this embodiment, referring to Figure 9 、 Figure 10 、 Figure 11 and Figure 12The multi-lamp light guide structure 60 includes an inner bracket 61, a brake light guide 62, and a reverse light guide 63. The inner bracket 61 includes a bracket body 611 corresponding to the front and rear of the second circuit board 30 and two bracket pressing edges 612 correspondingly covered on a positioning block 521; the bracket body 611 has a light output area 601 formed on one side corresponding to the front and rear of the LED mounting area 31 and a connection area 602 formed on the other side. The light output area 601 has a first light output port 603 extending through the front and rear sides corresponding to each reverse light lighting unit 312, and a cover 604 protruding from each reverse light lighting unit 312. The cover 604 has a second light output port 605 formed on its top.
[0042] The brake light guide 62 is disposed in front of the bracket body 611 and comprises a first mounting section 621 mounted to the connection area 602 and a plurality of first light guides 622 integrally connected to the first mounting section 621 and correspondingly mounted in each first light outlet 603 ;
[0043] The reversing light guide 63 is arranged at the rear of the bracket body 611, and is formed with a second mounting section 631 mounted to the connection area 602 and a second light guide 632 integrally connected to the second mounting section 631 and correspondingly passed through each set of covers 604, and the top of the second light guide 632 passes through the second light outlet 605.
[0044] Furthermore, in this embodiment, the light shielding lampshade 72 defines a light-transmitting opening 721 corresponding to each first light guide 622 and each second light guide 632 .
[0045] It can be understood that the method of using the multifunctional automobile taillight of the present invention is as follows: when the daytime driving reminder function is required, the first LED light piece 211 on the first circuit board 20 is lit, and the first LED light piece 211 is guided by the position light light guide structure 40, and after penetrating the inner lens two-color lampshade 71 and the outer lens lampshade 73 in sequence, the position light is irradiated outward; when the turn reminder function is required, the second LED light piece 221 on the first circuit board 20 is lit, and the second LED light piece 221 is guided by the turn light light guide 50, and after penetrating the outer lens lampshade 73, the turn light is irradiated outward; when the brake reminder function is required, the first LED light piece 211 on the first circuit board 20 is lit, and the second LED light piece 211 is guided by the turn light light guide 50, and after penetrating the outer lens lampshade 73, the turn light is irradiated outward. When the three LED light pieces 301 are lit, light is guided through the brake light light guide 62 of the multi-light light guide structure 60, and after successively penetrating the light-transmitting opening 721 of the sunshade lampshade 72 and the outer lens lampshade 73, the brake light is radiated outwards; when the reversing reminder function is needed, the fourth LED light piece 302 on the second circuit board 30 is lit, and light is guided through the reversing light light guide 63 of the multi-light light guide structure 60, and after successively penetrating the light-transmitting opening 721 of the sunshade lampshade 72 and the outer lens lampshade 73, the reversing light is radiated outwards; in this way, the multi-functional automobile taillight can form position lights, turn lights, brake lights and reversing lights, and its structure only requires the installation of two circuit boards, which is more convenient to assemble.
[0046] In summary, the utility model is a multifunctional automobile taillight. Through the cooperation among the lamp housing 10, the first circuit board 20, the second circuit board 30, the position light light guide structure 40, the turn signal light guide 50, the multi-light light guide structure 60 and the lampshade structure 70, only two circuit boards need to be installed to form the position light, turn signal light, brake light and reversing light. The overall structure is more compact and the assembly is more convenient.
[0047] As long as it does not violate the creative idea of the present invention, any combination of various different embodiments of the present invention should be regarded as the content disclosed by the present invention; within the technical concept of the present invention, any simple modification of the technical solution and any combination of different embodiments that do not violate the creative idea of the present invention should be within the protection scope of the present invention.
Claims
1. A multifunctional automobile taillight, characterized by: It comprises a lamp housing (10), a first circuit board (20), a second circuit board (30), a position lamp light guide structure (40), a turn lamp light guide member (50) and a multi-lamp light guide structure (60); The lamp housing (10) has a C-shaped first mounting area (11) formed on the top, outer side and bottom thereof, a second mounting area (12) formed on the inner side thereof, and a C-shaped third mounting area (13) formed between the first mounting area (11) and the second mounting area (12). The first circuit board (20) and the second circuit board (30) are both installed in the lamp housing (10), the first circuit board (20) is arranged behind the second circuit board (30), the first circuit board (20) is formed with a position light lighting area (21) arranged in the first installation area (11) and a turn signal lighting area (22) arranged in the third installation area (13), the position light lighting area (21) is provided with a plurality of first LED light sheets (211) at intervals thereon, and the turn signal lighting area (22) is provided with a plurality of second LED light sheets (221) at intervals thereon, so that the position light guide structure (40) is correspondingly installed in the first installation area (11) and the turn signal light guide member (50) is correspondingly installed in the third installation area (13), the position light guide structure (40) guides light to the first LED light sheet (211), and the turn signal light guide member (50) guides light to the second LED light sheet (221); The second circuit board (30) is arranged in the second installation area (12), and an LED installation area (31) is formed on one side of the outer surface of the second circuit board (30). The LED installation area (31) is formed with a plurality of brake light lighting parts (311) spaced from one end to the other end, and a reversing light lighting part (312) is formed between each two adjacent brake light lighting parts (311). A plurality of third LED light sheets (301) are arranged side by side on each brake light lighting part (311), and a plurality of fourth LED light sheets (302) are arranged side by side on each reversing light lighting part (312). The multi-lamp light guide structure (60) is correspondingly installed in the second installation area (12), and the multi-lamp light guide structure (60) guides light to the third LED light sheets (301) and the fourth LED light sheets (302).
2. The multifunctional automobile taillight according to claim 1, characterized in that: The invention comprises a lampshade structure (70), wherein the lampshade structure (70) comprises an inner lens two-color lampshade (71) which is covered in a first installation area (11), wherein the inner lens two-color lampshade (71) is provided with a light shielding cover body (711) which is covered along the edge of the first installation area (11), and an inner lens cover surface (712) which is connected to the top of the light shielding cover body (711) and is located above the first installation area (11), wherein the inner lens cover surface (712) is formed by splicing an inner top cover surface section (701) and an outer side cover surface section (702) at an obtuse angle.
3. The multifunctional automobile taillight according to claim 2, characterized in that: The position light guide structure (40) comprises a first light guide lens (41) and a second light guide lens (42); the first light guide lens (41) and the second light guide lens (42) are arranged between an inner lens two-color lampshade (71) and a position light illumination area (21); the first light guide lens (41) is formed with a first light guide segment (411) parallel to the position light illumination area (21) and a second light guide segment (412) integrally connected to the inner side of the first light guide segment (411) and parallel to the side cover segment (702); the second light guide lens (42) is arranged between the first light guide segment (411) and the second light guide segment (412) parallel to the top cover segment (701).
4. The multifunctional automobile taillight according to claim 2, characterized in that: The inner lens two-color lampshade (71) is provided with a connecting seat (713) connected to the inner side of the light shielding cover (711). The connecting seat (713) is arranged below the second circuit board (30) to support the second circuit board (30). The connecting seat (713) has an accommodating opening (703) corresponding to each second LED light piece (221) at its inner edge connected to the light shielding cover (711), so as to facilitate the light emission of the second LED light piece (221).
5. The multifunctional automobile taillight according to claim 1, characterized in that: The turn signal light guide (50) is formed with a C-shaped light guide body (51) and a positioning edge (52) connected to the inner side of the bottom of the light guide body (51). The light guide body (51) is arranged in front of the third installation area (13) and is used to guide light to the second LED light sheet (221). The positioning edge (52) is formed with positioning blocks (521) at its upper and lower parts, and a connecting edge (522) connecting the two positioning blocks (521) and the inner side of the light guide body (51) is formed in its middle part. The second circuit board (30) is provided between the two positioning blocks (521). The connecting edge (522) is provided with a fixing hole (523) for connecting with the lamp housing (10) or the connecting seat (713).
6. The multifunctional automobile taillight according to claim 1, characterized in that: The multi-lamp light guide structure (60) comprises an inner bracket (61), wherein the inner bracket (61) is provided with a bracket body (611) corresponding to the front and rear of the second circuit board (30); the bracket body (611) is formed with a light emitting area (601) corresponding to the front and rear of the LED installation area (31) on one side thereof, and a connection area (602) is formed on the other side thereof; the light emitting area (601) is provided with a first light emitting port (603) passing through the front and rear sides corresponding to each reversing lamp lighting part (312), and a cover (604) is protruded corresponding to each reversing lamp lighting part (312); and the cover (604) is provided with a second light emitting port (605) on the top thereof.
7. The multifunctional automobile taillight according to claim 6, characterized in that: The multi-lamp light guide structure (60) includes a brake light light guide (62), which is arranged in front of a bracket body (611) and is formed with a first mounting section (621) mounted to a connection area (602) and a plurality of first light guide bodies (622) integrally connected to the first mounting section (621) and correspondingly mounted in each first light outlet (603).
8. The multifunctional automobile taillight according to claim 6, characterized in that: The multi-lamp light guide structure (60) includes a reversing light guide (63), which is arranged at the rear of the bracket body (611) and is formed with a second mounting section (631) mounted on the connection area (602) and a second light guide (632) integrally connected to the second mounting section (631) and correspondingly penetrated on each set of covers (604), and the top of the second light guide (632) passes through the second light outlet (605).
9. The multifunctional automobile taillight according to claim 2, characterized in that: The lampshade structure (70) comprises a light-shielding lampshade (72) arranged in the second installation area (12), and the light-shielding lampshade (72) is provided with a light-transmitting opening (721) for light emission from the multi-lamp light guide structure (60).