Light leakage prevention type vehicle lamp

By setting up an opaque elastic pad between the side of the decorative frame of the headlight and the bottom shell, the problem of light leakage of the headlight is solved, the light output effect is improved, the structural optimization is simplified, the development cycle is shortened, and the cost is reduced.

CN222503602UActive Publication Date: 2025-02-18ZHEJIANG LED HEART AUTO PARTS CO LTD
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Patent Information

Application Number
CN202420489518.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-13
Publication Date
2025-02-18
Estimated Expiration
2034-03-13

AI Technical Summary

Technical Problem

Due to structural defects, light rays are leaking through the gap, causing light leakage, which increases the development cycle and cost.

Method used

A light-transmitting elastic pad is provided at the gap between the edge side of the decorative frame and the bottom shell to seal the gap and avoid light leakage.

Benefits of technology

It effectively avoids light leakage, improves the light output effect of the car light, simplifies the structural optimization process, shortens the development cycle and reduces costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a light leakage prevention type car lamp which comprises a bottom shell, a light source mechanism, a decoration frame and a face cover, the face cover is arranged at the position of a shell opening of the bottom shell, the light source mechanism and the decoration frame are arranged in a cavity defined by the face cover and the bottom shell, the decoration frame is located above the light source mechanism, and the light leakage prevention type car lamp further comprises a light-proof elastic cushion. According to the technical scheme, the light-proof type elastic cushion is additionally arranged, the gaps between the side edges of the decoration frame and the bottom shell are filled with the elastic cushion, light leakage is avoided, the light emitting effect of the automobile lamp is improved, and the automobile lamp has the advantages that the light-proof type elastic cushion is added, and the gaps between the side edges of the decoration frame and the bottom shell are sealed and filled with the elastic cushion; the process of optimizing the structures of the decorative frame, the bottom shell and the like is omitted, and the development period of the automobile lamp is shortened.
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Description

Technical Field

[0001] The utility model relates to the technical field of vehicle lamp devices, in particular to a light leakage-proof vehicle lamp. Background Art

[0002] Due to structural defects, it is easy for light to leak through gaps in car lights on the market, causing light leakage and resulting in appearance or functional defects. Common light-blocking structures are that the internal parts of the car lights are light-blocked by flanging and forming flanges, such as at the bottom shell and the side of the decorative frame. The defects are that the flanging and forming convex eaves require multiple structural optimizations, resulting in a large waste of manpower and costs, and extending the car light development cycle, which needs to be improved. Utility Model Content

[0003] In order to solve at least one of the above technical defects, the utility model provides the following technical solutions:

[0004] The present application document discloses an anti-light leakage type vehicle lamp, comprising a bottom shell, a light source mechanism, a decorative frame, and a mask. The mask is arranged at the shell opening of the bottom shell, and the light source mechanism and the decorative frame are arranged in a cavity surrounded by the mask and the bottom shell. The decorative frame is located above the light source mechanism, and also comprises an opaque elastic pad. The elastic pad is arranged at the gap between a part of the side of the decorative frame and the corresponding bottom shell, so that the gap is filled with the elastic pad.

[0005] In this solution, an opaque elastic pad is added to fill the gap between the side of the decorative frame and the bottom shell with the elastic pad to avoid light leakage, improve the lighting effect of the car lamp, save the structural optimization process of the decorative frame, bottom shell, etc., and shorten the development cycle of the car lamp.

[0006] The specific side positions, such as left and right sides, front and rear end sides, etc., are selected according to needs.

[0007] Furthermore, an elastic pad is provided at the gap between the side of the end of the decorative frame and the corresponding bottom shell, thereby eliminating the need for structural optimization of the end.

[0008] Furthermore, the elastic pad is snap-fitted onto the bottom shell for easy installation and fixation.

[0009] Furthermore, the elastic pad is U-shaped, and a convex ridge is provided on the bottom shell. The elastic pad is sleeved on the convex ridge through a U-shaped groove, and the elastic pad abuts against the corresponding side of the decorative frame. The U-shaped elastic pad can be easily sleeved on the convex ridge for easy installation.

[0010] Furthermore, the mask includes an opaque ring body and a translucent cover plate, a cover plate is provided on the ring body and a top ring opening of the ring body is covered by the cover plate, the ring body is connected to the bottom shell, and the configuration of the mask is designed. The opaque ring body helps to block light and improve the light output effect, and the split mask structure helps to reduce the difficulty of molding.

[0011] Furthermore, a groove is arranged at the end surface of the shell opening of the bottom shell and the lower part of the ring body is located in the groove, which improves the stability of the structure and helps to avoid light leakage.

[0012] Furthermore, the ring body is fixed to the bottom shell by buckles, which facilitates assembly and molding.

[0013] Furthermore, the decorative frame includes a light-transmitting portion and a light-impermeable portion. The light-transmitting portion is fixed at a mounting hole formed in the middle of the light-impermeable portion. The light-transmitting portion corresponds to a light outlet of a light source mechanism. The configuration of the decorative frame is designed to help improve the light-emitting effect, and the shape is more aesthetically pleasing when not lit.

[0014] Furthermore, flanges are provided downwardly on the left and right sides of the light-proof portion, and the light source mechanism is located between the two flanges. Adding the flanges helps to shield light, and the flanges are formed by a common flanging process.

[0015] Furthermore, the opaque portion is formed of a black opaque material, and the translucent portion is formed of a translucent white or a derivative color thereof, which is more aesthetically pleasing.

[0016] Furthermore, the light source mechanism includes a lamp board and a semi-parabolic reflective bowl, the reflective bowl is fixed to the bottom shell, a mounting plate is arranged at the side of the reflective bowl and the lamp board is arranged on the mounting plate, the light outlet of the reflective bowl corresponds to the light-transmitting part, and the lamp board is hidden in design, which is more aesthetically pleasing.

[0017] Furthermore, the elastic pad is made of cotton, and of course it can also be made of other materials according to needs.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] 1. The utility model designs the structure of the vehicle lamp and adds an elastic pad to fill the gap between the decorative frame and the bottom shell at the side, which helps to shorten the development cycle, simplify the structure of the decorative frame, the bottom shell, etc., and reduce the cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 is a schematic diagram of the overall structure of the light leakage prevention type vehicle lamp in Example 1;

[0022] Figure 2 yes Figure 1 Schematic diagram of the AA section structure;

[0023] Figure 3 This is a schematic diagram of the structure of the headlight end cut according to the AA section;

[0024] Figure 4 This is a schematic diagram of the structure of the headlight end cut according to the AA section;

[0025] Figure 5 This is a schematic diagram of the structure of the headlight end after removing the mask according to the AA section;

[0026] Figure 6 It is a schematic diagram of the exploded structure of the end of the headlight cut according to the AA section;

[0027] Figure 7 is a schematic diagram of the structure of the elastic pad;

[0028] Wherein, the accompanying drawings are marked as follows:

[0029] 1. Bottom shell; 2. Light source mechanism; 3. Mask; 4. Decorative frame; 5. Elastic pad; 10. Groove; 11. Protrusion; 21. Reflective bowl; 22. Mounting plate; 23. Lamp board; 31. Cover plate; 32. Ring body; 33. Buckle 1; 34. Slot; 41. Translucent part; 42. Non-translucent part; 43. Flange; 44. Mounting hole; 45. Buckle 2; 51. Groove. DETAILED DESCRIPTION

[0030] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0031] Example 1

[0032] like Figure 1-Figure 2 As shown, in this example, a light leakage-proof vehicle lamp comprises a bottom shell 1, a light source mechanism 2, a decorative frame 4, and a mask 3. The mask 3 is fixed at the shell opening of the bottom shell 1. The light source mechanism 2 and the decorative frame 4 are installed in the cavity surrounded by the mask 3 and the bottom shell 1. The decorative frame 4 is located above the light source mechanism 2. Figure 3 As shown, in this example, an opaque elastic pad 5 is added, such as a cotton material, and the gap between the end side of the decorative frame 4 and the end side of the bottom shell 1 is sealed with the elastic pad 5 to prevent light leakage from the gap.

[0033] The elastic pad 5 can be fixed on the bottom shell 1 by snap-fitting, such as Figure 6 , Figure 7 As shown, the elastic pad 5 is in the form of a sheet and is concave into a groove 51 at the bottom surface, so that the elastic pad 5 is U-shaped, and a convex ridge 11 is convexly formed on the side of the end of the bottom shell 1. The U-shaped elastic pad 5 is directly sleeved on the convex ridge 11, and the convex ridge 11 is in the groove of the elastic pad 5 to complete the snap-on fixation. When the decorative frame is installed, the end of the decorative frame 4 abuts against the elastic pad 5 at the end of the bottom shell 1, so that the elastic pad fills the original gap to avoid light leakage.

[0034] For the decorative frame, it can be formed in one piece or assembled in parts, as in this example. Figure 2 , Figure 4 , Figure 6 As shown, the decorative frame 4 includes a light-transmitting portion 41 and a light-impermeable portion 42. The light-impermeable portion 42 is in the shape of a plate and has a through hole formed in the middle, i.e., a mounting hole 44. The mounting hole 44 extends along the length direction of the light-impermeable portion 42. The light-transmitting portion 41 is fixed to the mounting hole 44 formed in the middle of the light-impermeable portion 42, and the two are fixed by welding, fitting, or screws. The light-impermeable portion 42 is formed of a black light-impermeable material, and the light-transmitting portion 41 is formed of a light-transmitting white or its derivative color, such as milky white, beige, etc. The light-transmitting portion 41 corresponds to the light outlet of the light source mechanism 2. The light-proof portion 42 can be fixed to the bottom shell 1 by means of snaps or screws, or can be initially fixed by snaps and then fastened by screws. For example, the light-proof portion 42 can have flanges 43 formed downward at the left and right sides, with the flanges 43 abutting or approaching the cavity wall of the bottom shell 1, and the light source mechanism 2 is located between the two flanges 43. The flange 43 plays a role of shading. For example, the flange 43 can be formed by a flanging process, and a snap 2 45 can be formed at the side of the flange 43, and a slot can be formed at the corresponding position of the bottom shell, so that the light-proof portion can be snap-fixed in the bottom shell cavity.

[0035] In this example, the mask 3 is also formed by a split structure. Figure 2 , Figure 4 , Figure 6 As shown, the mask 3 includes an opaque ring body 32 and a translucent cover plate 31. The cover plate is installed on the ring body to cover the top ring opening of the ring body 32. The cover plate 31 is located above the translucent portion 41 in the decorative frame 4. The ring body is formed of a black opaque material, and the cover plate 31 is formed of a translucent white or white derivative color material. The ring body and the cover plate are preferably fixed by welding, such as ultrasonic welding.

[0036] The ring body 32 is fixed to the bottom shell 1, such as by screw fastening, snap-fit ​​fixing or the combination of the two. For example, in this example, a snap-fit ​​33 is formed at the side of the ring body 32, and a corresponding slot is formed at the side of the bottom shell 1, such as Figure 5 As shown, the ring body 32 is fixed to the bottom shell 1 by means of a buckle 1 and a buckle groove, and preferably, glue is used for edge sealing to improve the sealing performance.

[0037] A groove 10 can be optionally formed at the shell opening end face of the bottom shell 1, and the lower part of the ring body 32 is in the groove 10 to improve the stability of the structure. In this example, a convex ridge is formed on the inner groove wall of the groove 10 to install the elastic pad. Of course, the convex ridge can also be formed at other positions.

[0038] For the light source mechanism, the hidden layout in this example is Figure 2 , Figure 4 , Figure 6As shown, the light source mechanism 2 includes a lamp panel 23 and a semi-parabolic reflective bowl 21 . The reflective bowl 21 is fixed to the bottom shell 1 by snaps or screws. Figure 2 In the shown state, a mounting plate 22 is integrally formed on the left side of the reflective bowl 21, and the mounting plate 22 is arranged longitudinally. A lamp board 23 is fixed on the mounting plate 22 by means of buckles or screws. The lamp board is configured such as a common circuit board for mounting LED lamp beads. Through holes can be formed on the mounting plate 22 at positions corresponding to the LED lamp beads to allow light to pass. The light emitted by the approximately horizontally oriented LED lamp beads is projected onto the reflective surface of the reflective bowl, and after reflection, is emitted from the light outlet longitudinally, and then is emitted through the light-transmitting portion of the decorative frame and the mask.

[0039] The above are only preferred implementations of the utility model. The protection scope of the utility model is not limited to the above embodiments. All technical solutions under the idea of ​​the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims

1. A light leakage-proof vehicle lamp, comprising a bottom shell (1), a light source mechanism (2), a decorative frame (4), and a mask (3), wherein the mask (3) is arranged at the shell opening of the bottom shell (1), the light source mechanism (2) and the decorative frame (4) are arranged in a cavity surrounded by the mask (3) and the bottom shell (1), and the decorative frame (4) is located above the light source mechanism (2), characterized in that: It also comprises a light-proof elastic pad (5), which is arranged at the gap between part of the side of the decorative frame (4) and the corresponding bottom shell (1), so as to fill the gap.

2. The anti-light leakage type vehicle lamp according to claim 1, characterized in that: An elastic pad (5) is provided at a gap between the side of the end of the decorative frame (4) and the corresponding bottom shell (1).

3. The anti-light leakage type vehicle lamp according to claim 1, characterized in that: The elastic pad (5) is arranged on the bottom shell (1) in a snap-fit ​​manner.

4. The light leakage-proof vehicle lamp according to claim 3, characterized in that: The elastic pad (5) is U-shaped, a convex ridge (11) is provided on the bottom shell (1), and the elastic pad (5) is sleeved on the convex ridge (11) through a U-shaped groove, so that the elastic pad abuts against the corresponding side of the decorative frame.

5. The anti-light leakage type vehicle lamp according to claim 1, characterized in that: The mask (3) comprises an opaque ring body (32) and a translucent cover plate (31); the cover plate (31) is arranged on the ring body (32) and the top ring opening of the ring body (32) is covered by the cover plate (31); the ring body (32) is connected to the bottom shell (1).

6. The light leakage-proof vehicle lamp according to claim 5, characterized in that: A groove (10) is provided at the shell opening end surface of the bottom shell (1), and the lower part of the ring body (32) is located in the groove (10); Alternatively, the ring body (32) is fixed to the bottom shell (1) by snapping.

7. The light leakage-proof vehicle lamp according to claim 1, characterized in that: The decorative frame (4) comprises a light-transmitting portion (41) and a light-impermeable portion (42); the light-transmitting portion (41) is fixed to a mounting hole (44) formed in the middle of the light-impermeable portion (42); and the light-transmitting portion (41) corresponds to a light outlet of the light source mechanism (2).

8. The light leakage-proof vehicle lamp according to claim 7, characterized in that: The left and right sides of the light-proof portion (42) are both provided with flanges (43) facing downward, and the light source mechanism (2) is located between the two flanges (43); Alternatively, the opaque portion (42) is formed of a black opaque material, and the translucent portion (41) is formed of a translucent white material or a color derived therefrom.

9. The light leakage-proof vehicle lamp according to claim 7, characterized in that: The light source mechanism (2) comprises a lamp board (23) and a semi-parabolic reflective bowl (21); the reflective bowl (21) is fixed to the bottom shell (1); a mounting plate (22) is arranged at the side of the reflective bowl (21) and the lamp board (23) is arranged on the mounting plate (22); and the light outlet of the reflective bowl (21) corresponds to the light-transmitting portion.

10. The light leakage-proof vehicle lamp according to claim 1, characterized in that: The elastic pad (5) is made of cotton.