Improved automobile rear lamp
By adopting a combined structure of a lamp case, main circuit board and light guide inner frame in the rear lamp of the automobile, the design of the inner lens is simplified and the assembly efficiency is improved, and the problems of cumbersome installation and components are solved in the prior art.
Patent Information
- Application Number
- CN202421219479.3
- 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 installation structure of existing automotive rear lights is relatively cumbersome and time-consuming, and during the installation process, various components are prone to hinder each other, resulting in insufficiency of installation.
The combined structure of the lamp shell, main circuit board and light guide inner frame is adopted, where the bottom plate section of the light guide inner frame and the lens cover section form an integrated structure, simplifying the design of the inner lens, and the main circuit board and light guide inner frame are placed on the main circuit board and light guide inner frame. Positioning holes and connecting holes are set between them, and bolts are fixed to achieve a more convenient assembly process.
Through a simplified assembly structure, the assembly efficiency of the rear light of the car is improved, the installation time is reduced, and the problem of each component hindering each other during the installation process is avoided.
Smart Images

Figure CN222480268U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile rear position lamps, in particular to an improved automobile rear position lamp. Background Art
[0002] The rear position lamp is one of the important functional parts of the vehicle taillight, because it provides driving and outline indication functions for the vehicle, and these functions must also meet national mandatory regulations such as GB4785 "Regulations on the Installation of External Lighting and Light Signal Devices for Motor Vehicles and Trailers" and GB5920 "Lighting Performance of Front Position Lamps, Rear Position Lamps, Outline Lamps and Brake Lamps for Motor Vehicles and Trailers". At the same time, the rear position lamp is an important exterior trim of the vehicle, showing the styling characteristics of the vehicle. A good lighting effect of the rear position lamp can give people a deep impression.
[0003] Existing rear position lamps generally install a circuit board, a reflector and an inner lens in the lamp housing in sequence, such as first installing the circuit board into the lamp housing, and screwing the circuit board to one side wall of the lamp housing; then installing the reflector into the lamp housing, and screwing the reflector to both ends of the lamp housing; finally, installing the inner lens into the lamp housing, and screwing the inner lens to the other side wall of the lamp housing, so that the LED lamp on the circuit board can be used as a light source, and the light is reflected to the inner lens through the reflector. However, this installation structure is relatively cumbersome and time-consuming, and when installing the latter component, it is easy to be blocked by the previously installed component. Utility Model Content
[0004] The utility model aims to provide an improved automobile rear position lamp which is more convenient to assemble.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] An improved automobile rear position lamp comprises a lamp housing, a main circuit board and a light-guiding inner frame, wherein the lamp housing is formed with a shell cavity for the main circuit board and the light-guiding inner frame to be installed; the main circuit board is arranged from top to bottom to form a plurality of lighting sections and a connecting section is formed between each adjacent lighting section; the front of the main circuit board is provided with a plurality of LED lamp sheets on each lighting section and a connecting hole that can be opened on the connecting section and passes through to the back side; the light-guiding inner frame is formed with a bottom plate section abutting against the front of the main circuit board and a lens cover section obliquely connected to the front end of the bottom plate section, and both the bottom plate section and the lens cover section are provided with connecting columns for screwing with the shell cavity at their rear ends; the bottom plate section is formed with a reflecting bowl corresponding to each lighting section to reflect light to the lens cover section and a fixing seat matching the connecting hole is provided at the bottom, so that the bolt can pass through the connecting hole and then penetrate into the fixing seat to fix the main circuit board and the light-guiding inner frame; the lens cover section is provided with a light-emitting lens cover corresponding to each reflecting bowl.
[0007] As a further technical solution of the utility model: the main circuit board can be provided with a positioning hole on the connecting section, and the bottom of the bottom plate section is provided with a positioning rod corresponding to the positioning hole.
[0008] As a further technical solution of the utility model: the angle between the lens cover section and the bottom plate section is an acute angle.
[0009] As a further technical solution of the utility model: the outer surface of the light-emitting lens cover is an optical pattern formed by a plurality of densely arranged convex points.
[0010] As a further technical solution of the utility model: an improved automobile rear position lamp, comprising a lens structure; the lens structure comprises an outer lens lampshade that covers the shell cavity of the lamp shell and an inner lens lampshade that is arranged between the outer lens lampshade and the shell cavity opening, the main body of the inner lens lampshade is made of opaque material, and is provided with a plurality of light shielding covers arranged in a straight line from top to bottom, each light shielding cover corresponding to a light emitting lens cover, the light shielding cover is provided with inner lens strips corresponding to the front and rear of the light emitting lens cover, so that after the main circuit board and the light-guiding inner frame are installed in the shell cavity, the light of the LED lamp sheet of the lighting section is reflected from the corresponding reflection bowl to the light emitting lens cover, the light emitting lens cover guides the light to the inner lens strip, the inner lens strip guides the light to the outer lens lampshade, and the outer lens lampshade irradiates the light outward.
[0011] As a further technical solution of the utility model: two LED light sheets are arranged on each lighting section.
[0012] As a further technical solution of the utility model: the lamp shell is provided with a mounting groove along the cavity opening of the shell cavity and bayonet holes are formed at intervals on both sides of the mounting groove; the inner lens lampshade is formed with cards on the edges on both sides thereof corresponding to each bayonet hole, so that the inner lens lampshade can engage with the mounting groove with its edge and each card can be inserted into a bayonet hole accordingly.
[0013] As a further technical solution of the utility model: a fixing column is provided on the top of the back side of the inner lens lampshade, and after the inner lens lampshade is installed correspondingly to the cavity opening of the shell cavity, the fixing column is screwed to the shell cavity.
[0014] As a further technical solution of the utility model: there are two inner lens strips on the light shield, and the two inner lens strips are arranged side by side up and down.
[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model proposes an improved automobile rear position lamp which simplifies the internal lens in the prior art by coordinating the lamp housing, the main circuit board, the light guide inner frame and the lens structure with the integrated structure of the bottom plate section and the lens cover section of the light guide inner frame, and can first assemble the main circuit board and the light guide inner frame, and then install the assembled main circuit board and the light guide inner frame into the shell cavity of the lamp housing, making the assembly of the improved automobile rear position lamp more convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is an overall diagram of the improved rear position lamp of a car.
[0017] Figure 2 It is a schematic diagram of the inner lens lampshade being installed at the shell cavity opening of the lamp shell.
[0018] Figure 3 A schematic diagram of the main circuit board and the light guide inner frame being installed in the shell cavity of the lamp housing.
[0019] Figure 4 This is an exploded view of the improved rear position lamp of a car.
[0020] Figure 5 Assembly diagram of the main circuit board and the light guide inner frame.
[0021] Figure 6 A comparison of the main circuit board in the unassembled state and the assembled state.
[0022] Figure 7 The figure is a comparison between the unassembled state and the assembled state of the light guide inner frame.
[0023] Figure 8 Schematic diagram of the inner lens lampshade. DETAILED DESCRIPTION
[0024] The specific implementation of the present invention 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 present invention, and is not used to limit the protection scope of the present invention.
[0025] See also Figure 1 , Figure 3 and Figure 4 An improved automobile rear position lamp comprises a lamp housing 10, a main circuit board 20, a light guide inner frame 30 and a lens structure 40. The lamp housing 10 is formed with a shell cavity 11 for the main circuit board 20 and the light guide inner frame 30 to be installed; Figure 6 The main circuit board 20 is formed with a plurality of lighting segments 21 arranged in a straight line from top to bottom and a connecting segment 22 is formed between each adjacent lighting segment 21; the front side of the main circuit board 20 is provided with a plurality of LED light sheets 201 on each lighting segment 21 and a positioning hole 202 and a connecting hole 203 that can be opened on the connecting segment 22 and pass through to the back side; Figure 5 , Figure 7The light guide inner frame 30 is formed with a bottom plate section 31 that abuts against the front surface of the main circuit board 20 and a lens cover section 32 that is connected to the front end of the bottom plate section 31 in an inclined manner. Both the bottom plate section 31 and the lens cover section 32 are provided with a connecting column 301 for screwing with the shell cavity 11 at their rear ends; the bottom plate section 31 is formed with a reflecting bowl 311 that reflects light to the lens cover section 32 corresponding to each lighting section 21, and a positioning rod 312 that is inserted into the positioning hole 202 and connected to the connecting rod 312 at the bottom. The fixing seat 313 matched with the hole 203 is used for the bolt to pass through the connecting hole 203 and then penetrate into the fixing seat 313 to fix the main circuit board 20 and the light guide inner frame 30; the angle a between the lens cover section 32 and the bottom plate section 31 is an acute angle, and the lens cover section 32 is convexly provided with a light-emitting lens cover 321 corresponding to each reflection bowl 311, and the outer surface of the light-emitting lens cover 321 is an optical pattern formed by a plurality of densely arranged convex points, which can make the lighting effect more uniform and textured;
[0026] Combined with reference Figure 2 The lens structure 40 covers the shell cavity 11 of the lamp housing 10, and plays the role of shading and guiding light; the lens structure 40 includes an outer lens lampshade 41 that covers the shell cavity 11 of the lamp housing 10 and an inner lens lampshade 42 that is arranged between the outer lens lampshade 41 and the cavity opening of the shell cavity 11. The main body of the inner lens lampshade 42 is made of an opaque material, and a plurality of light shielding covers 421 are arranged in a straight line from top to bottom, and each light shielding cover 421 corresponds to a cover arranged on a light-emitting lens cover 32. 1, the light shield 421 is provided with an inner lens strip 422 corresponding to the front and rear of the light emitting lens cover 321, so that after the fixed main circuit board 20 and the light guide inner frame 30 are installed in the shell cavity 11, the light of the LED lamp sheet 201 of the lighting section 21 is reflected from the corresponding reflection bowl 311 to the light emitting lens cover 321, the light emitting lens cover 321 guides the light to the inner lens strip 422, the inner lens strip 422 guides the light to the outer lens lampshade 41, and the outer lens lampshade 41 irradiates the light to the outside.
[0027] Furthermore, in this embodiment, two LED light sheets 201 are provided on each lighting segment 21 .
[0028] Further, in this embodiment, refer to Figure 3 , Figure 8 The lamp housing 10 is provided with a mounting groove 12 along the opening of the shell cavity 11 and bayonet holes are formed at intervals on both sides of the mounting groove 12; the inner lens lampshade 42 is formed with a card 401 at the edges on both sides thereof corresponding to each bayonet hole, so that the inner lens lampshade 42 can engage with the mounting groove 12 with its edge and each card 401 can be inserted into a bayonet hole correspondingly.
[0029] Furthermore, in this embodiment, a fixing column 402 is provided on the top of the back side of the inner lens lampshade 42 , so that after the inner lens lampshade 42 is installed corresponding to the cavity opening of the shell cavity 11 , the fixing column 402 is screwed to the shell cavity 11 .
[0030] Furthermore, in this embodiment, there are two inner lens strips 422 on the light shield 421 , and the two inner lens strips 422 are arranged vertically and side by side.
[0031] Furthermore, in this embodiment, the outer surface of the inner lens strip 422 is an optical pattern formed by a plurality of densely arranged convex dots, which can make the lighting effect more uniform and textured.
[0032] It can be understood that the utility model is an improved automobile rear position lamp assembly method, comprising the following steps: the first step, assembling the main circuit board 20 with the light guide inner frame 30, after the positioning rod 312 of the light guide inner frame 30 is inserted into the positioning hole 202 of the main circuit board 20, the bolt is passed through the connection hole 203 of the main circuit board 20, and is inserted into the fixing seat 313 of the light guide inner frame 30, and the main circuit board 20 is fixed with the light guide inner frame 30; the second step, the fixed main circuit board 20 and the light guide inner frame 30 are installed into the shell cavity 11 of the lamp housing 10, and the bolt is inserted into the shell cavity 11, and is screwed with the connecting column 301; the third step, the inner lens lampshade 42 is installed corresponding to the cavity opening of the shell cavity 11, and each light shielding cover 421 is provided on a light-emitting lens cover 321; the fourth step, the shell cavity 11 of the lamp housing 10 is covered with the outer lens lampshade 41. In this way, the assembly of the improved automobile rear position lamp is completed.
[0033] In summary, the utility model provides an improved automobile rear position lamp, which simplifies the internal lens in the prior art by cooperating among the lamp housing 10, the main circuit board 20, the light guide inner frame 30 and the lens structure 40, with the integrated structure of the bottom plate section 31 and the lens cover section 32 of the light guide inner frame 30, and can first assemble the main circuit board 20 and the light guide inner frame 30, and then install the assembled main circuit board 20 and the light guide inner frame 30 into the shell cavity 11 of the lamp housing 10, so that the assembly of the improved automobile rear position lamp is more convenient.
[0034] 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. An improved automobile rear position lamp, characterized in that: The invention comprises a lamp housing (10), a main circuit board (20) and a light guide inner frame (30); the lamp housing (10) is formed with a housing cavity (11) for the main circuit board (20) and the light guide inner frame (30) to be installed; the main circuit board (20) is arranged from top to bottom to form a plurality of lighting segments (21) and a connecting segment (22) is formed between each adjacent lighting segment (21); the front side of the main circuit board (20) is provided with a plurality of LED lamp sheets (201) on each lighting segment (21) and a connecting hole (203) that can be opened on the connecting segment (22) and penetrates to the back side; the light guide inner frame (30) is formed with a bottom plate segment (31) that abuts against the front side of the main circuit board (20) and a bottom plate segment (31) that abuts against the bottom plate segment (22) The front end of the segment (31) is connected to a lens cover segment (32) in an inclined manner as a whole, and the bottom plate segment (31) and the lens cover segment (32) are both provided with a connecting column (301) at their rear ends for being screwed to the shell cavity (11); the bottom plate segment (31) is formed with a reflecting bowl (311) corresponding to each lighting segment (21) for reflecting light toward the lens cover segment (32), and a fixing seat (313) matching the connecting hole (203) is provided at the bottom, so that the bolt can pass through the connecting hole (203) and then penetrate into the fixing seat (313) to fix the main circuit board (20) and the light guide inner frame (30); the lens cover segment (32) is provided with a light emitting lens cover (321) corresponding to each reflecting bowl (311).
2. The improved automobile rear position lamp according to claim 1, characterized in that: The main circuit board (20) can be provided with a positioning hole (202) on the connecting section (22), and the bottom of the bottom plate section (31) is provided with a positioning rod (312) corresponding to and penetrating the positioning hole (202).
3. The improved automobile rear position lamp according to claim 1, characterized in that: The angle between the lens cover section (32) and the bottom plate section (31) is an acute angle.
4. The improved automobile rear position lamp according to claim 1, characterized in that: The outer surface of the light-emitting lens cover (321) is an optical pattern formed by a plurality of densely arranged convex points.
5. The improved automobile rear position lamp according to claim 1, characterized in that: The invention comprises a lens structure (40); the lens structure (40) comprises an outer lens lampshade (41) for sealing a shell cavity (11) of a lamp housing (10) and an inner lens lampshade (42) arranged between the outer lens lampshade (41) and a cavity opening of the shell cavity (11); the main body of the inner lens lampshade (42) is made of a light-proof material, and a plurality of light shielding covers (421) are arranged in a straight line from top to bottom, and each light shielding cover (421) corresponds to a cover arranged on a light-emitting lens cover (321); and the light shielding cover (421) is arranged on the inner lens cover (321). An inner lens strip (422) is provided on the light emitting lens cover (321) and corresponds to the front and rear of the light emitting lens cover (321). After the main circuit board (20) and the inner light guide frame (30) are installed in the housing cavity (11), the light from the LED light sheet (201) of the lighting section (21) is reflected from the corresponding reflection bowl (311) toward the light emitting lens cover (321). The light emitting lens cover (321) guides the light to the inner lens strip (422), and the inner lens strip (422) guides the light to the outer lens lampshade (41). The outer lens lampshade (41) irradiates the light to the outside.
6. The improved automobile rear position lamp according to claim 1, characterized in that: Two LED light sheets (201) are provided on each lighting section (21).
7. The improved automobile rear position lamp according to claim 5, characterized in that: The lamp housing (10) is provided with a mounting groove (12) along the opening of the housing cavity (11), and bayonet holes are formed at intervals on both sides of the mounting groove (12); the inner lens lampshade (42) is formed with a card (401) on the edges of both sides thereof corresponding to each bayonet hole, so that the inner lens lampshade (42) can engage with the mounting groove (12) with its edge and each card (401) can be inserted into a bayonet hole correspondingly.
8. The improved automobile rear position lamp according to claim 5, characterized in that: A fixing column (402) is provided on the top of the back side of the inner lens lampshade (42) for screwing the fixing column (402) to the shell cavity (11) after the inner lens lampshade (42) is installed correspondingly to the cavity opening of the shell cavity (11).
9. The improved automobile rear position lamp according to claim 5, characterized in that: There are two inner lens strips (422) on the light shield (421), and the two inner lens strips (422) are arranged side by side up and down.