Car lamp light blocking structure and combined car lamp

Abstract

The utility model relates to a car lamp light blocking structure and a combined car lamp. The car lamp light blocking structure comprises at least two light-emitting systems, a light blocking support and a main decoration ring, the light-emitting systems are fixed to the back face of the main decoration ring in the mode that the light-emitting systems are arranged side by side up and down or left and right, and the light blocking support is located between every two adjacent light-emitting systems. The light blocking support is in interference fit with the groove in the back face of the main decoration ring through soft plastic at the front end of the light blocking support. Light rays emitted after different light-emitting systems are powered on penetrate through the light-transmitting areas, separated by the light-proof areas, on the main decoration ring to be emitted outwards, and therefore the lighting effect and the lighting function which are independent of each other and do not interfere with each other are achieved. The light blocking structure has the advantages of being simple in structure, easy to install, free of additional manufacturing process investment and the like, the light blocking effect is improved, meanwhile, it is guaranteed that the problems of grinding, abnormal sound and the like of the main decoration ring caused by traveling vibration are solved, and finally the product quality and competitiveness are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle lamps, in particular to a light blocking structure for vehicle lamps and a combined vehicle lamp. Background Technique

[0002] In recent years, vehicle lamps mostly appear on various vehicle models in the form of combined vehicle lamps or multi-functional vehicle lamps. In all designs, it is particularly important to prevent light leakage and crosstalk between different functions. This is because once the phenomena of light leakage and crosstalk occur, the lighting effect of the entire lamp will be greatly reduced, and there may also be a risk of not meeting regulatory requirements. For example, crosstalk may change the light color of the vehicle lamp.

[0003] The emergence of the light blocking structure is expected to solve the problems of light leakage and crosstalk of combined vehicle lamps. However, currently, the shape design of vehicle lamps is increasingly trending towards the concept of "narrow borders", the gaps between different functional areas are getting smaller, and the space is becoming more and more compact. This trend poses an increasing challenge to the design of the light blocking structure for vehicle lamps.

[0004] The traditional light blocking structure of vehicle lamps is generally interlaced ribs, and this structure often requires a large installation space. As described in Chinese Patent CN220366320U, etc., currently, most often an additional light blocking component is added and arranged in different functional areas, but this method generally has problems such as a relatively complex structure, numerous parts and processes, and high costs. In addition, there are also some other problems when this light blocking structure is in cooperation, including vibration scratches or abrasion powder on the contact surface, seriously affecting the product quality and service life. Summary of the Utility Model

[0005] The main purpose of the utility model is to solve the problems of high cost, complex assembly, and easy wear of vehicle lamp components of the existing light blocking structure, and to provide a new light blocking structure for vehicle lamps. This structure uses a relatively simple method to utilize the interference fit between soft materials and hard materials to block the light of different light emitting systems from passing through each other, achieving a good light blocking effect and not damaging the vehicle lamp components due to vibration. To achieve the above purpose, the technical solutions adopted by the utility model are as follows:

[0006] A light blocking structure for vehicle lamps, including at least two light emitting systems, a light blocking bracket 3, and a main trim ring 4. The light emitting systems are fixedly arranged side by side on the back of the main trim ring 4. The light blocking bracket 3 is located between two adjacent light emitting systems and separates them. The end of the light blocking bracket 3 is softly connected to the back of the main trim ring 4.

[0007] Furthermore, the number of the light emitting systems is 2 - 4, and they are arranged on the back of the main trim ring 4 in a horizontal side-by-side arrangement, a vertical side-by-side arrangement, or a mixed horizontal and vertical arrangement (such as a "tian" character format).

[0008] Furthermore, the light-emitting mode of the light-emitting system is LED direct emission or a combination of LED and a condenser. LED direct emission means that the light emitted by the LED light source is directly emitted forward without refraction or reflection, while the combination of LED and a condenser means that the light emitted by the LED light source needs to be focused by a condenser such as a reflector bowl or a light guide first and then emitted directionally.

[0009] Furthermore, the light-emitting system is specifically a high beam, a low beam, a turn signal, a contour light, a daytime running light, a fog light, a brake light, etc.

[0010] Furthermore, the light-blocking bracket 3 includes a rigid section 3-1 of the light-blocking bracket and a flexible section 3-2 of the light-blocking bracket. One end of the flexible section 3-2 of the light-blocking bracket is fixedly connected to the rigid section 3-1 of the light-blocking bracket, and the other end abuts against and presses the main decorative ring 4. The design of the flexible section of the light-blocking bracket can not only ensure a good light-blocking effect and avoid light leakage and light crosstalk, but also play a buffering role to prevent hard connection between the light-blocking bracket and the main decorative ring 4, resulting in scratches or even damage to the vehicle lamp.

[0011] Furthermore, the connection surface between the rigid section 3-1 of the light-blocking bracket and the flexible section 3-2 of the light-blocking bracket is a Z-shaped step, and the two are integrally formed or welded together.

[0012] Furthermore, the main decorative ring 4 includes a light-transmitting area 4-1 and a light-impermeable area 4-2. The light-transmitting area 4-1 faces each light-emitting system, and the light-impermeable area faces the light-blocking bracket and separates each light-transmitting area 4-1.

[0013] Furthermore, a counterbore is provided on the main decorative ring 4, and grooves of different sizes are provided on the front and back of the counterbore. The flexible section of the light-blocking bracket and the light-impermeable area 4-2 are respectively located in the grooves on the back and front.

[0014] The present utility model also provides a combined vehicle lamp, in which the aforementioned light-blocking structure is installed.

[0015] Compared with the existing similar technologies or products, the present utility model has the following advantages: ① Since a light-blocking structure with interference fit of hard and soft plastics is adopted, it can ensure that there will be no gaps between two or more light-emitting systems under any circumstances, completely eliminating the problems of light leakage and light crosstalk; ② The light-blocking structure not only has low cost and small required structural space, but also has a simple installation process and does not require additional manufacturing process investment; ③ Through the flexible contact and soft connection between the light-blocking structure and the main decorative ring, it is ensured that there will be no problems such as grinding powder and abnormal noise due to vibration during driving, thereby improving the product quality and service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the light-blocking structure of the vehicle lamp described in the present utility model;

[0017] Figure 2 is Figure 1 a partial enlarged schematic view of area A in

[0018] Figure 3 the optical path schematic diagram of the light shielding structure of the headlamp of the present utility model.

[0019] Wherein: 1 is the first light emitting system, 2 is the second light emitting system, 3 is the light shielding bracket, 3-1 is the hard section of the light shielding bracket, 3-2 is the soft section of the light shielding bracket, 4 is the main decorative ring, 4-1 is the light transmissive area, and 4-2 is the light impermeable area. Specific embodiments

[0020] To enable those of ordinary skill in the art to fully understand the technical solutions and beneficial effects of the present utility model, the following further description is provided in conjunction with specific embodiments and the accompanying drawings. It should be emphasized that the above-mentioned orientation nouns such as up, down, left, right, front, and back are mainly for the convenience of explanation and do not constitute any directional limitation.

[0021] Such as Figures 1-3 shown, a light shielding structure of a headlamp mainly includes a first light emitting system 1, a second light emitting system 2, a light shielding bracket 3, and a main decorative ring 4. These components are all directly or indirectly fixed on the lamp housing, and then the whole lamp is encapsulated by gluing the lamp housing and the light distribution lens.

[0022] The first light emitting system 1 is fixed on the upper row of the main decorative ring 4 and adopts the light emitting mode of direct LED emission. The second light emitting system 2 is fixed on the lower row of the main decorative ring 4 and is located directly below the first light emitting system 1, and it adopts the light emitting mode of LED + thick wall. The light shielding bracket 3 is located between the first light emitting system 1 and the second light emitting system 2 and physically separates the two. The right end of the light shielding bracket 3 is softly connected to the main decorative ring 4.

[0023] Such as Figure 2 shown, the light shielding bracket 3 includes two parts, namely the left light shielding bracket hard section 3-1 and the right light shielding bracket soft section 3-2, which are respectively injection molded in two-color by two opaque materials with different hardnesses. The main body, the light shielding bracket hard section 3-1, is made of hard plastic (such as acrylonitrile-butadiene-styrene copolymer ABS), and the light shielding bracket soft section 3-2 is made of soft plastic (such as thermoplastic elastomer TPE). The contact surfaces of the two are overlapped with each other in a "Z" shape structure, and the overlapping amount is 5 mm. The width of the light shielding bracket soft section 3-2 is 10 mm, and the thickness of the top is 2 mm. Its end is in interference fit (0.5 mm) with the groove on the back of the main decorative ring, effectively blocking the light of the upper and lower two light emitting systems from penetrating into each other's areas, and achieving a good light shielding effect.

[0024] Such as Figure 2As shown, the main decorative ring 4 also consists of two parts, which are, from top to bottom, a light-transmitting area 4-1, a light-impermeable area 4-2, and a light-transmitting area 4-1. That is, one lighting system corresponds to one light-transmitting area, and different light-transmitting areas are separated by light-impermeable areas. The light-transmitting area 4-1 is injection-molded from polycarbonate (PC) or polymethyl methacrylate (PMMA), and the light-impermeable area 4-2 is injection-molded from carbon black-filled polycarbonate (PC) or acrylonitrile-butadiene-styrene terpolymer (ABS).

[0025] To ensure the flatness of the outer surface of the main decorative ring 4, it is designed as a sunken structure with a groove in the center, and the light-impermeable area 4-2 is located in the sunken groove. There is a small groove on the back of the groove, and the soft section 3-2 of the light-blocking bracket is located in the small groove, and the gap between its upper and lower ends is 0.5 mm.

[0026] The lighting principle of this vehicle lamp is as Figure 3 shown. After the first lighting system 1 in the upper row is powered on, it emits light. The light shines straight forward and passes through the light-transmitting area 4-1 on the main decorative ring 4 and then emits outwards, realizing the corresponding first function; after the second lighting system 2 in the lower row is powered on, it emits light. The light passes through the condenser on the thick wall and the light-transmitting area 4-1 on the main decorative ring 4 in sequence and then emits outwards, realizing another function. Whether the first lighting system 1 or the second lighting system 2 emits light alone or simultaneously, the light will be completely blocked and shielded by the light-blocking bracket 3 between them, without interference with each other.

[0027] In some other solutions, the number of lighting systems can be 3, 4 or even more. These lighting systems can be arranged in the vehicle lamp in a way of being arranged side by side vertically, side by side horizontally or a mixed arrangement of vertical and horizontal side-by-side. Just arrange a light-blocking structure between every two adjacent lighting systems.

[0028] According to the functions of the combined vehicle lamp, these lighting systems can be high beam lights, low beam lights, or daytime running lights, fog lights, turn signals, brake lights, outline lights, etc., so as to adapt to different vehicle lamp functions.

Claims

1. A light shielding structure for a vehicle lamp, characterized in that: The light shielding structure of the vehicle lamp includes a light shielding bracket, a main decorative ring, and at least two lighting systems. The lighting systems are arranged side by side on the back of the main decorative ring. The light shielding bracket is located between two adjacent lighting systems and separates them. The end of the light shielding bracket is softly connected to the back of the main decorative ring.

2. The light shielding structure of the vehicle lamp according to claim 1, characterized in that: The number of the lighting systems is 2 - 4, and they are arranged on the back of the main decorative ring in a horizontally side-by-side arrangement, a vertically side-by-side arrangement, or a mixed horizontal and vertical side-by-side arrangement.

3. The light blocking structure of the vehicle lamp according to claim 1, wherein: The lighting mode of the lighting system is LED direct emission or a combination of LED and a condenser.

4. The light shielding structure of the vehicle lamp according to claim 1, characterized in that: The lighting system is specifically a high beam lamp, a low beam lamp, a turn signal lamp, a contour lamp, a daytime running lamp, a fog lamp, or a brake lamp.

5. The light blocking structure of the vehicle lamp according to claim 1, characterized in that: The light shielding bracket includes a hard section of the light shielding bracket and a soft section of the light shielding bracket. One end of the soft section of the light shielding bracket is fixedly connected to the hard section of the light shielding bracket, and the other end of the soft section of the light shielding bracket presses against the main decorative ring.

6. The light blocking structure of the vehicle lamp according to claim 5, characterized in that: The connection surface between the hard section of the light shielding bracket and the soft section of the light shielding bracket is a Z-shaped step, and they are integrally formed or welded together.

7. The light shielding structure of the vehicle lamp according to claim 1, wherein: The main decorative ring includes a light-transmitting area and a light-impermeable area. The light-transmitting area faces each lighting system, and the light-impermeable area faces the light shielding bracket and separates the light-transmitting areas.

8. The light shielding structure of the vehicle lamp according to claim 7, wherein: A sunk platform is further provided on the main decorative ring. Grooves of different sizes are respectively provided on the front and back of the sunk platform. The soft section of the light shielding bracket is located in the small groove on the back of the sunk platform, and the light-impermeable area is located in the large groove on the front of the sunk platform.

9. A combined vehicle lamp, characterized in that: The combined vehicle lamp is installed with the light shielding structure of the vehicle lamp according to any one of claims 1 - 8.

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