Car lamp with light leakage prevention structure

Abstract

A car lamp with a light leakage prevention structure comprises at least one pair of thick-wall light guides arranged at intervals and a mounting plate arranged between the thick-wall light guides, mounting holes are formed in the mounting plate, and positioning mounting parts which extend towards the mounting holes and are mounted on the mounting holes are arranged on the thick-wall light guides. A shading pad covering the outer side of the mounting hole is arranged on one side surface, opposite to the positioning mounting part, of the mounting plate; the shading pad comprises a fixing part which surrounds the mounting hole and is attached to the outer surface of the mounting plate, and a sealing part which is connected to the central position of the fixing part and is arranged corresponding to the mounting hole; the mounting hole comprises a clamping hole formed in the mounting plate, the positioning mounting part comprises a clamping piece designed on the thick-wall light guide, and the outer end of the clamping piece penetrates through the clamping hole and is clamped with the clamping hole; the mounting hole further comprises a positioning hole formed in the mounting plate, the positioning mounting part further comprises a positioning pin arranged on the thick-wall light guide, the outer end of the positioning pin penetrates into the positioning hole, and the sealing part protrudes outwards and is used for forming a containing cavity between the sealing part and the mounting plate.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle lamps, in particular to a vehicle lamp with a light leakage prevention structure. Background Art

[0002] In order to meet the lighting needs of various OEMs, existing automobile headlights are usually equipped with multiple groups of thick-walled light guides, and light source mounting plates for mounting the thick-walled light guides are arranged between the thick-walled light guides. Mounting holes for mounting and fixing the thick-walled light guides are arranged on the corresponding light source mounting plates, and fixing parts installed in the mounting holes are arranged on the thick-walled light guides. When the existing mounting structure is in use, the fixing part structure on the thick-walled light guide is easily exposed outside the mounting hole, and part of the light can pass through the mounting hole, thereby affecting the light emitting effect of the thick-walled light guide on the other side of the light source mounting plate, thereby making the light uniformity of the headlights poor. When the thick-walled light guides are of different colors, the light is easily mixed. Summary of the invention

[0003] The utility model aims to solve the problems existing in the prior art and provides a vehicle lamp with a light leakage prevention structure, which can prevent light leakage from the mounting plates between thick-walled light guides, thereby making the light output of the thick-walled light guides uniform.

[0004] The utility model adopts a technical solution to solve its technical problems: the vehicle lamp with an anti-light leakage structure comprises at least one pair of thick-walled light guides arranged at intervals and a mounting plate arranged between the thick-walled light guides, a mounting hole is opened on the mounting plate, a positioning mounting portion extending toward the mounting hole and mounted on the mounting hole is provided on the thick-walled light guide, a light-shielding pad covering the outside of the mounting hole is provided on a side surface of the mounting plate opposite to the positioning mounting portion, a light-shielding pad for covering the outside of the mounting hole is provided on the mounting plate, and then the mounting hole and the positioning mounting portion in the mounting hole are shielded and covered, thereby preventing the thick-walled light guide structure from leaking out and causing light leakage, and also preventing light from emitting outward through the mounting hole.

[0005] Preferably, the shading pad includes a fixing portion arranged around the mounting hole and attached to the outer surface of the mounting plate, and a sealing portion connected to the center position of the fixing portion and arranged corresponding to the mounting hole. The shading pad is adhesively connected to the mounting plate through the fixing portion and is completely shielded and sealed by the sealing portion.

[0006] Preferably, the sealing portion is protruded outwardly to form an accommodating cavity between the sealing portion and the mounting plate, and the accommodating cavity is formed so that the protruding mounting hole of the positioning mounting portion can be enclosed in the accommodating cavity when it is arranged.

[0007] Preferably, the mounting hole comprises a clamping hole opened on the mounting plate, and the positioning mounting portion comprises a clamping piece designed on the thick-walled light guide, and the outer end of the clamping piece passes through the clamping hole and is clamped with the clamping hole.

[0008] Preferably, the mounting hole comprises a positioning hole opened on the mounting plate, and the positioning mounting portion comprises a positioning pin arranged on the thick-walled light guide, and the outer end of the positioning pin penetrates into the positioning hole.

[0009] Preferably, the shading pad is made of black flexible rubber material, and the fixing portion is provided with a high temperature resistant double-sided adhesive that is adhered to the mounting plate.

[0010] Preferably, a limiting portion is provided on the outer side of the positioning and mounting portion and is located between the mounting plate and the thick-walled light guide and is used for contacting and limiting the mounting plate.

[0011] Preferably, a screw mounting hole is provided on the mounting plate, a support seat is provided on the thick-walled light guide, and the support seat extends toward the screw mounting hole and contacts the outer side surface of the mounting plate, and a threaded hole corresponding to the screw mounting hole is provided on the support seat.

[0012] The beneficial effect of the utility model is that in the utility model, a shading pad covering the outside of the mounting hole is provided on the side surface of the mounting plate opposite to the positioning mounting part, and the shading pad includes a fixing part and a sealing part, so that the shading pad is adhered to the mounting plate through the fixing part, thereby avoiding exposure of the positioning mounting part on the thick-walled light guide to cause light leakage, ensuring uniform light output of multiple thick-walled light guides and better light output effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the installation of thick-walled light guide, mounting plate and shading mat;

[0015] Figure 3 is a schematic diagram of the structure of a shading pad;

[0016] Figure 4 It is a top view of the utility model;

[0017] Figure 5 for Figure 4 Cross-section in the BB direction;

[0018] Figure 6 for Figure 5 Enlarged view of part A.

[0019] Explanation of the accompanying drawings: 1. Thick-walled light guide, 2. Mounting plate, 3. Mounting hole, 4. Positioning mounting portion, 5. Shading pad, 5-1. Fixing portion, 5-2. Sealing portion, 6. Accommodating cavity, 3-1. Card hole, 4-1. Card connector, 3-2. Positioning hole, 4-2. Positioning pin, 7. Limiting portion, 8. Screw mounting hole, 9. Support seat, 10. Threaded hole. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings:

[0021] See attached Figure 1 and Figure 2 As shown: This embodiment discloses a vehicle lamp with a light leakage prevention structure, comprising at least one pair of thick-walled light guides 1 arranged at intervals and a mounting plate 2 arranged between the thick-walled light guides 1; Figure 1 As shown, a pair of thick-walled light guides 1 in this embodiment are provided, a mounting hole 3 is opened on the mounting plate 2, and a positioning mounting portion 4 extending toward the mounting hole 3 and mounted on the mounting hole 3 is provided on the thick-walled light guide 1. The pair of thick-walled light guides 1 in this embodiment are arranged in an up-and-down arrangement, and the positioning mounting portion 4 is provided on the thick-walled light guide 1 at the lower end; in order to prevent the light emitted from the thick-walled light guide 1 from passing through the mounting hole 3 to the other thick-walled light guide 1 arranged opposite to the mounting plate 2, in this embodiment, a light shielding pad 5 covering the outside of the mounting hole 3 is provided on a side surface of the mounting plate 2 opposite to the positioning mounting portion 4, and then the mounting hole 3 is covered and shielded by the light shielding pad 5 to prevent the thick-walled light guide 1 from leaking light in the mounting hole 3; specifically, as Figure 2 and Figure 3 As shown, the shading pad 5 in this embodiment includes a fixing portion 5-1 which is arranged around the mounting hole 3 and adhered to the outer surface of the mounting plate 2, and a sealing portion 5-2 which is connected to the center position of the fixing portion 5-1 and is arranged corresponding to the mounting hole 3; wherein, the shading pad 5 in this embodiment is made of black flexible rubber material, and the fixing portion 5-1 is provided with a high-temperature resistant double-sided adhesive glued to the mounting plate 2; and then after the thick-walled light guide 1 and the mounting plate 2 are mounted to each other, the shading pad 5 is pasted on a side of the mounting plate 2 opposite to the positioning mounting portion 4 and the shading pad 5 is completely covered with the mounting hole 3, thereby shading the mounting structure of the mounting plate 2 and the thick-walled light guide 1 to avoid light leakage of the thick-walled light guide 1.

[0022] Furthermore, Figure 2As shown, the mounting hole 3 in this embodiment includes a clamping hole 3-1 provided on the mounting plate 2, and the positioning mounting portion 4 includes a clamping piece 4-1 designed on the thick-walled light guide 1, and the outer end of the clamping piece 4-1 passes through the clamping hole 3-1 and is clamped with the clamping hole 3-1; and the mounting hole 3 in this embodiment also includes a positioning hole 3-2 provided on the mounting plate 2, and the positioning mounting portion 4 also includes a positioning pin 4-2 provided on the thick-walled light guide 1, and the outer end of the positioning pin 4-2 penetrates into the positioning hole 3-2; thereby, when the mounting plate 2 and the thick-walled light guide 1 are installed, the positioning pin 4-2 can be firstly fixed to the mounting plate 2 and the thick-walled light guide 1 through the positioning hole 3-2. The positioning pin 4-2 and the positioning hole 3-2 are used for positioning, and the preliminary installation position is fixed by the clamping piece 4-1 and the clamping hole 3-1; at the same time, in order to completely position the mounting plate 2, a screw mounting hole 8 is provided on the mounting plate 2, and a support seat 9 is provided on the thick-walled light guide 1, which extends to the position of the screw mounting hole 8 and is in contact with the outer side surface of the mounting plate 2. A threaded hole 10 corresponding to the screw mounting hole 8 is provided on the support seat 9. The screw is screwed into the threaded hole 10 through the screw mounting hole 8, thereby completely fixing the mounting plate 2 and the thick-walled light guide 1.

[0023] Correspondingly, such as Figure 3 and Figure 5 As shown, in order to facilitate the clamping of the clamping member 4-1, in this embodiment, the sealing portion 5-2 is protruded outward to form a receiving cavity 6 between the sealing portion 5-2 and the mounting plate 2, thereby facilitating the installation and use of the clamping member 4-1; further, as Figure 2 and Figure 6 As shown, a limiting portion 7 is provided on the outer side of the positioning mounting portion 4 and is located between the mounting plate 2 and the thick-walled light guide 1 for contacting and limiting the mounting plate 2. The limiting portion 7 in this embodiment is located at the lower end of the mounting plate 2 and is used to support the limiting mounting plate 2.

[0024] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A vehicle lamp with a light leakage prevention structure, comprising at least one pair of thick-walled light guides (1) arranged at intervals and a mounting plate (2) arranged between the thick-walled light guides (1), the mounting plate (2) being provided with a mounting hole (3), the thick-walled light guide (1) being provided with a positioning mounting portion (4) extending toward the mounting hole (3) and mounted on the mounting hole (3), wherein: A light shielding pad (5) covering the outside of the mounting hole (3) is provided on a side surface of the mounting plate (2) opposite to the positioning mounting portion (4).

2. The vehicle lamp with a light leakage prevention structure according to claim 1, characterized in that: The shading pad (5) comprises a fixing portion (5-1) arranged around the mounting hole (3) and attached to the outer surface of the mounting plate (2), and a sealing portion (5-2) connected to the center of the fixing portion (5-1) and arranged corresponding to the mounting hole (3).

3. The vehicle lamp with a light leakage prevention structure according to claim 2, characterized in that: The sealing portion (5-2) is arranged to protrude outwards and is used to form a receiving cavity (6) between the sealing portion (5-2) and the mounting plate (2).

4. The vehicle lamp with a light leakage prevention structure according to claim 1, characterized in that: The mounting hole (3) comprises a clamping hole (3-1) opened on the mounting plate (2), and the positioning mounting portion (4) comprises a clamping piece (4-1) designed on the thick-walled light guide (1), wherein the outer end of the clamping piece (4-1) passes through the clamping hole (3-1) and is clamped with the clamping hole (3-1).

5. The vehicle lamp with a light leakage prevention structure according to claim 1 or 3, characterized in that: The mounting hole (3) comprises a positioning hole (3-2) opened on the mounting plate (2), and the positioning mounting portion (4) comprises a positioning pin (4-2) arranged on the thick-walled light guide (1), the outer end of the positioning pin (4-2) being inserted into the positioning hole (3-2).

6. The vehicle lamp with a light leakage prevention structure according to claim 2 or 3, characterized in that: The shading pad (5) is made of a black flexible rubber material, and the fixing portion (5-1) is provided with a high-temperature resistant double-sided adhesive that is adhered to the mounting plate (2).

7. The vehicle lamp with a light leakage prevention structure according to claim 1, characterized in that: A limiting portion (7) is provided on the outside of the positioning and mounting portion (4) and is located between the mounting plate (2) and the thick-walled light guide (1) and is used for contacting and limiting the mounting plate (2).

8. The vehicle lamp with a light leakage prevention structure according to claim 1, characterized in that: The mounting plate (2) is provided with a screw mounting hole (8), the thick-walled light guide (1) is provided with a support seat (9) extending towards the screw mounting hole (8) and arranged in contact with the outer side surface of the mounting plate (2), and the support seat (9) is provided with a threaded hole (10) corresponding to the screw mounting hole (8).

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