High-mount stop lamp
By designing a combination of lamp shell, light guide, main circuit board, split circuit board and external lens cover in high-position brake light, the light guide strip and plug-in seat are used to guide the light of the LED lamp to the external lens cover, and the solution is to solve the problem of The existing high-level brake lights have an uneven lighting effect, which has achieved a better uniform and textured brake light effect.
Patent Information
- Application Number
- CN202421219537.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-05-30
AI Technical Summary
The existing high-level brake lights use LED lights as light sources, resulting in uneven lighting effects and strong graininess, which cannot meet the requirements of brake light.
By designing a combination of lamp shell, light guide, main circuit board, split circuit board and outer lens cover, the light guide strip and plug-in seat are used to guide the light of the LED lamp to the outer lens cover, achieving uniform light irradiation.
High-level brake lights with better lighting effects and even texture are achieved, meeting the requirements of brake light.
Smart Images
Figure CN222480269U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile lamps, in particular to a high-mounted brake lamp. Background Art
[0002] With the development of science and technology and social progress, cars, as a convenient means of transportation, have become a part of daily transportation. High-mounted brake lights are generally installed on the upper part of the rear of the car to better alert the rear vehicles, detect the brakes of the front vehicle in time, prevent vehicles from rear-end collisions, and ensure driving safety. Since LED lights have the characteristics of no pollution, no radiation, long service life, and less heat generation, the existing high-mounted brake lights mostly use LED lights as light sources. However, since LED lights are point light sources with a small luminous angle, the LED lights seen through the mask have a strong sense of granularity and poor lighting effect, which cannot meet the brake light requirements. Utility Model Content
[0003] The utility model aims to provide a high-mounted brake light with better, more uniform and textured lighting effect.
[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0005] A high-mounted brake light comprises a lamp housing, a light guide, a main circuit board, two split circuit boards and an outer lens lampshade, wherein the lamp housing is formed with a shell cavity for the light guide and the main circuit board to be installed one after the other; the light guide is formed with a light guide bar and two buckle seats integrally connected to the two sides of the light guide bar; the buckle seat is convexly provided with a light entrance portion connected to the front end of the light guide bar on its outer side surface and a plurality of hooks are provided at intervals along the edge of its outer side surface; each split circuit board is correspondingly mounted on the outer side of a buckle seat, and the hooks of the buckle seat clamp and fix the split circuit board; the split circuit board is provided with an LED light sheet opposite to the light entrance portion and a wiring harness assembly electrically connected to the main circuit board on its outer side; the outer lens lampshade is arranged on the light output side of the lamp housing to cover the shell cavity, so that the light emitted by the LED light sheet is introduced from the light entrance portion into the light guide, the light guide guides the light to the outer lens lampshade, and the outer lens lampshade irradiates the light outward.
[0006] As a further technical solution of the utility model: the light guide strip is provided with a plurality of connecting pieces extending upward at intervals at the upper middle section of the rear end thereof, and a plurality of upward hooks are provided at intervals at the lower middle section of the rear end thereof; the main circuit board is provided with slots for inserting the hooks at intervals at its bottom, so as to position the main circuit board and the light guide; after positioning, bolts are passed through the connecting pieces and the top of the main circuit board in sequence, and penetrate into the cavity wall of the shell cavity, so as to fix the light guide and the main circuit board in the shell cavity.
[0007] As a further technical solution of the utility model: the connecting plate is provided with connecting holes for bolts to pass through and a positioning block is convexly provided on its rear end surface and is arranged side by side with the connecting holes; the main circuit board is provided with a through hole corresponding to each connecting hole and a through opening corresponding to each positioning block, and the through opening is communicated with the through hole, so that when the bolts pass through the corresponding connecting holes and the through holes in sequence, the positioning blocks and the through openings are correspondingly engaged.
[0008] As a further technical solution of the utility model: there are three hooks on the buckle seat, the first hook is set on the top edge of the buckle seat, the second hook is set on the outer edge of the buckle seat, and the third hook is set on the bottom edge of the buckle seat.
[0009] As a further technical solution of the utility model: the split circuit board is provided with a fixing hook at the top for the first hook to engage with, a notch at the outer edge for the second hook to engage with, and a raised section at the bottom for the third hook to engage with.
[0010] As a further technical solution of the utility model: the buckle seat is provided with a fixing plate connected to the rear end of the light guide strip on its inner side surface, and the fixing plate is provided with a fixing hole.
[0011] As a further technical solution of the utility model: the light incident portion is in a frustum shape that gradually expands toward the light guide bar.
[0012] As a further technical solution of the utility model: the light guide strip is provided with optical teeth at the upper part of its front end.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model proposes a high-mounted brake light that, through the cooperation among a lamp housing, a light guide, a main circuit board, two split circuit boards and an outer lens lampshade, can guide the light emitted by the LED lamp piece from the light entrance part to the light guide, and the light guide guides the light to the outer lens lampshade, and the outer lens lampshade irradiates the light outward, so that the lighting effect is better, more uniform and has a texture, meeting the brake light requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is an overall picture of the high-mount brake light.
[0015] Figure 2 This is an exploded view of the high-mount brake light.
[0016] Figure 3 This is a schematic diagram of the light guide and the main circuit board being installed into the housing cavity one after the other.
[0017] Figure 4 This is the assembly diagram of the light guide and the main circuit board.
[0018] Figure 5 This is a first-perspective view of the light guide.
[0019] Figure 6 This is a second viewing angle diagram of the light guide. DETAILED DESCRIPTION
[0020] The specific implementation of the utility model is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the utility model, and is not used to limit the protection scope of the utility model.
[0021] See also Figure 1 , Figure 2 and Figure 3 A high-mounted brake lamp includes a lamp housing 10, a light guide 20, a main circuit board 30, two split circuit boards 40 and an outer lens lampshade 50. The lamp housing 10 is formed with a shell cavity 11 for the light guide 20 and the main circuit board 30 to be installed one after the other; Figure 4 , Figure 5 and Figure 6 The light guide 20 is formed with a light guide bar 21 and two buckle seats 22 integrally connected to both sides of the light guide bar 21. The light guide bar 21 has a plurality of connecting pieces 211 extending upwards at intervals from the middle upper part of the rear end thereof and a plurality of hooks 212 facing upwards at intervals from the middle lower part of the rear end thereof; the buckle seat 22 has a light entrance 221 convexly arranged on its outer side surface and connected to the front end of the light guide bar 21, and has a plurality of hooks 222 arranged at intervals on the edge of its outer side surface; the main circuit board 30 has a slot 31 recessed at intervals at its bottom for the hooks 212 to be inserted, so that the main circuit board 30 and the light guide 20 are positioned, and after positioning, bolts are passed through the connecting piece 211 and the top of the main circuit board 30 in sequence, The light guide 20 and the main circuit board 30 are fixed in the shell cavity 11 by penetrating into the cavity wall of the shell cavity 11; each split circuit board 40 is correspondingly installed on the outer side of a buckle seat 22, and the hook 222 of the buckle seat 22 clamps and fixes the split circuit board 40; the split circuit board 40 is provided with an LED lamp sheet 41 opposite to the light entrance portion 221 and a wiring harness assembly 60 electrically connected to the main circuit board 30 on its outer side; the outer lens lampshade 50 is arranged on the light output side of the lamp housing 10 to cover the shell cavity 11, so that the light from the LED lamp sheet 41 is introduced into the light guide 20 from the light entrance portion 221, and the light guide 20 guides the light to the outer lens lampshade 50, and the light is irradiated to the outside through the outer lens lampshade 50.
[0022] Furthermore, in the present embodiment, the connecting piece 211 is provided with a connecting hole 201 for the bolt to pass through and a positioning block 202 is convexly provided on its rear end surface and is arranged side by side with the connecting hole 201; the main circuit board 30 is provided with a through hole 32 corresponding to each connecting hole 201 and a through opening 33 corresponding to each positioning block 202, and the through opening 33 is communicated with the through hole 32, so that when the bolt passes through the corresponding connecting hole 201 and the through hole 32 in sequence, the positioning block 202 and the through opening 33 are correspondingly engaged, thereby improving the fixing stability between the light guide 20 and the main circuit board 30.
[0023] Furthermore, in this embodiment, there are three hooks 222 on the buckle seat 22, and all three hooks 222 are backward. The first hook is set on the top edge of the buckle seat 22, the second hook is set on the outer edge of the buckle seat 22, and the third hook is set on the bottom edge of the buckle seat 22.
[0024] Furthermore, in this embodiment, the split circuit board 40 is provided with a fixing hook 401 at the top for corresponding engagement of the first hook, a recess at the outer edge for corresponding engagement of the second hook, and a raised section 402 at the bottom for corresponding engagement of the third hook, so that the split circuit board 40 can be fixed on the buckle seat 22 without screwing.
[0025] Furthermore, in this embodiment, the buckle seat 22 is provided with a fixing plate 23 on its inner side surface which is connected to the rear end of the light guide strip 21, and the fixing plate 23 is provided with a fixing hole 231 for the bolt to pass through the fixing hole 231 and then penetrate into the cavity wall of the shell cavity 11 to fix the light guide component 20 in the shell cavity 11.
[0026] Furthermore, the fixing plate 23 can be provided with a wire harness positioning member 232 at its rear end to position the wire harness assembly 60 .
[0027] Furthermore, in this embodiment, the light incident portion 221 is in the shape of a truncated cone that gradually expands toward the light guide bar 21 to facilitate the introduction of light.
[0028] Furthermore, in this embodiment, the light guide bar 21 is provided with optical teeth at the upper portion of the front end thereof, which is beneficial to the conduction of light.
[0029] It can be understood that the utility model is an assembly method of a high-mounted brake light, including the following steps: the first step is to assemble two split circuit boards 40 onto the two buckle seats 22 of the light guide 20, and to fix the split circuit boards 40 with the hooks 222 of the buckle seats 22; the second step is to electrically connect the split circuit board 40 with the main circuit board 30 by means of the wiring harness assembly 60; the third step is to install the light guide 20 and the main circuit board 30 into the shell cavity 11 one after the other, and to insert a part of the bolts into the cavity wall of the shell cavity 11 after passing through the connecting piece 211 and the main circuit board 30 in turn, and to insert another part of the bolts into the cavity wall of the shell cavity 11 after passing through the fixing holes 231, so as to fix the light guide 20 and the main circuit board 30 in the shell cavity 11; the fourth step is to install the outer lens lampshade 50 onto the light-emitting side of the lamp housing 10, and to cover the shell cavity 11. In this way, the assembly of the high-mounted brake light is completed.
[0030] To sum up, the utility model, a high-mount brake lamp, through the cooperation among the lamp housing 10, the light guide 20, the main circuit board 30, the two split circuit boards 40 and the outer lens lamp cover 50, can guide the light from the LED lamp sheet 41 from the light entrance portion 221 to the light guide 20, the light guide 20 guides the light to the outer lens lamp cover 50, and the outer lens lamp cover 50 irradiates the light outward, so that the lighting effect is better, more uniform and has a texture, thus meeting the brake light requirements.
[0031] As long as it does not violate the creative idea of the utility model, any combination of various different embodiments of the utility model should be regarded as the content disclosed by the utility model; within the technical concept of the utility model, any simple modification of the technical solution and any combination of different embodiments that do not violate the creative idea of the utility model should be within the protection scope of the utility model.
Claims
1. A high-mounted brake light, characterized in that: The invention comprises a lamp housing (10), a light guide (20), a main circuit board (30), two split circuit boards (40) and an outer lens lampshade (50); the lamp housing (10) is formed with a housing cavity (11) for the light guide (20) and the main circuit board (30) to be installed one after the other; the light guide (20) is formed with a light guide bar (21) and two buckle seats (22) integrally connected to both sides of the light guide bar (21); the buckle seat (22) is provided with a light entrance portion (221) on its outer side surface and connected to the front end of the light guide bar (21) and a plurality of hooks (222) are provided at intervals along the edge of the outer side surface; each split circuit board (40) is correspondingly installed on The split circuit board (40) is fixedly engaged with a hook (222) of the plug-in seat (22) on the outside of the plug-in seat (22); the split circuit board (40) is provided with an LED lamp sheet (41) opposite to the light entrance portion (221) and a wiring harness assembly (60) electrically connected to the main circuit board (30) on the outside of the split circuit board (40); the outer lens lampshade (50) is arranged on the light exit side of the lamp housing (10) to cover the housing cavity (11) so that the light emitted by the LED lamp sheet (41) is guided from the light entrance portion (221) to the light guide (20); the light guide (20) guides the light to the outer lens lampshade (50), and the light is irradiated to the outside by the outer lens lampshade (50).
2. The high-mount brake light according to claim 1, characterized in that: The light guide strip (21) has a plurality of connecting pieces (211) extending upwards at intervals at the middle upper part of the rear end thereof, and a plurality of hooks (212) facing upwards are provided at intervals at the middle lower part of the rear end thereof. The main circuit board (30) has a slot (31) recessed at intervals at the bottom thereof for the hooks (212) to be inserted, so as to position the main circuit board (30) and the light guide (20). After positioning, bolts are sequentially passed through the connecting pieces (211) and the top of the main circuit board (30) and penetrated into the cavity wall of the shell cavity (11), so as to fix the light guide (20) and the main circuit board (30) in the shell cavity (11).
3. The high-mount brake light according to claim 2, characterized in that: The connecting piece (211) is provided with a connecting hole (201) for the bolt to pass through, and a positioning block (202) is convexly provided on its rear end surface and is arranged side by side with the connecting hole (201); the main circuit board (30) is provided with a through hole (32) corresponding to each connecting hole (201) and a through opening (33) corresponding to each positioning block (202), and the through opening (33) is connected with the through hole (32), so that when the bolt passes through the corresponding connecting hole (201) and the through hole (32) in sequence, the positioning block (202) and the through opening (33) are correspondingly engaged.
4. The high-mount brake light according to claim 1, characterized in that: There are three hooks (222) on the buckle seat (22), the first hook is arranged on the top edge of the buckle seat (22), the second hook is arranged on the outer edge of the buckle seat (22), and the third hook is arranged on the bottom edge of the buckle seat (22).
5. The high-mount brake light according to claim 4, characterized in that: The split circuit board (40) is provided with a fixing hook (401) on its top for corresponding engagement with a first hook, a recess on its outer edge for corresponding engagement with a second hook, and a raised section (402) on its bottom for corresponding engagement with a third hook.
6. The high mounted brake light according to claim 1, characterized in that: The buckle seat (22) is provided with a fixing plate (23) on its inner side surface which is connected to the rear end of the light guide strip (21), and a fixing hole (231) is provided on the fixing plate (23).
7. The high mounted brake light according to claim 1, characterized in that: The light entrance portion (221) is in the shape of a truncated cone that gradually expands toward the light guide bar (21).
8. The high mounted brake light according to claim 1, characterized in that: The light guide strip (21) is provided with optical teeth at the upper part of its front end.