Lamplight device at tail of automobile

Abstract

The lighting device at the tail of the automobile comprises a shell, a lighting device, a light-transmitting body and a mask, the shell is provided with an installation part, the light-transmitting body is matched with the lighting device, and the light-transmitting body and the installation part are connected through a first fastener so that the lighting device can be positioned and installed on the installation part. The face cover is connected with the shell through a second fastener, the inner side wall of the face cover is matched with the mounting part in a concave-convex mode to cover the light-transmitting body, a light condensation structure matched with the light-emitting end of the lighting device is formed on the inner side wall of the light-transmitting body, a light diffusion structure is formed on the outer surface of the light-transmitting body, and the face cover is provided with a light-transmitting cover matched with the light diffusion structure. The lamplight device at the tail of the automobile is simple in structure, switching between a reversing lamp and a rear fog lamp can be achieved by replacing the corresponding lighting device and the light-transmitting body through the mounting plate, universality is good, the manufacturing cost of the lamplight device is reduced, and disassembly and assembly are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile lamps, in particular to a lighting device at the rear of an automobile. Background Art

[0002] At present, the rear fog lamp and reversing lamp of automobiles are mostly integrated into one rear combination lamp or installed independently on both sides of the automobile. The rear fog lamp is installed at the rear of the automobile to convey its own position information to the following vehicles when driving in rainy and foggy weather, so that the following vehicles can find the other party at a farther distance and remind the following vehicles to keep a safe distance and speed; the reversing lamp is also installed at the rear of the automobile. When reversing, the reversing lamp lights up to remind the following vehicles or pedestrians to pay attention and illuminate the road behind to facilitate reversing.

[0003] However, the reversing lights and rear fog lights are usually installed independently or in combination. The reversing lights and rear fog lights have different functions and different manufacturing requirements in terms of brightness, color, illumination angle, etc., making it difficult to directly interchange the two. There is a problem of insufficient versatility, which not only increases the manufacturing cost, but also is inconvenient during disassembly and assembly. Utility Model Content

[0004] The purpose of the utility model is to provide a lighting device for the rear of a car designed to solve the deficiencies of the above-mentioned technology. The utility model has a simple structure and can switch between the reversing light and the rear fog light by replacing the corresponding lighting device and the light-transmitting body through the mounting plate. The utility model has good versatility, reduces the manufacturing cost of the lighting device, and is easy to disassemble and assemble.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a lighting device at the rear of a car, comprising a shell, a lighting device, a light-transmitting body and a mask, the shell being provided with a mounting portion, the light-transmitting body being adapted to the lighting device, and the light-transmitting body and the mounting portion being connected by a first fastener to position the lighting device and install it on the mounting portion, the mask being connected to the shell by a second fastener, the inner side wall of the mask being concavely and convexly matched with the mounting portion to cover the light-transmitting body, the inner side wall of the light-transmitting body being formed with a light-focusing structure adapted to the light-emitting end of the lighting device, the outer surface of the light-transmitting body being formed with a light-diffusing structure, and the mask being provided with a light-transmitting cover adapted to the light-diffusing structure.

[0006] Preferably, the lighting device is the lighting device for the reversing light or the lighting device for the rear fog light, and the light-transmitting body is the light-transmitting body for reversing or the light-transmitting body for the rear fog light; the lighting device for the reversing light and the light-transmitting body for the reversing light are positioned and installed on the mounting portion in a matching manner, or the lighting device for the rear fog light and the light-transmitting body for the rear fog light are positioned and installed on the mounting portion in a matching manner.

[0007] Preferably, the lighting device comprises a circuit board and an LED light source arranged on the circuit board, the mounting portion is a rectangular structure, the mounting portion is adapted to the circuit board, and the LED light source is the light-emitting end of the lighting device.

[0008] Preferably, the mounting portion is provided with a positioning column, the circuit board is penetrated with a first positioning hole, the light-transmitting body is provided with a connecting portion, the circuit board is arranged between the connecting portion and the mounting portion, the connecting portion is penetrated with a second positioning hole corresponding to the first positioning hole, and the first positioning hole and the second positioning hole are both plugged into and matched with the positioning column.

[0009] Preferably, a reflective layer is provided in the light-transmitting body, and the emitted light of the LED light source is concentrated by the light-condensing structure and incident on the reflective layer to be reflected into parallel light and enter the light diffusion structure for diffusion.

[0010] Preferably, a sealing ring is sleeved on the outer side of the mounting portion, and an interference fit is formed between the sealing ring and the inner wall of the mask.

[0011] Preferably, the shell is provided with a connecting hole, the mask is provided with a connecting column, and the connecting hole is plug-fitted with the connecting column.

[0012] Preferably, a side wall of the shell away from the mounting portion is provided with a heat dissipation structure.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model discloses a light device for the rear of an automobile, which has a simple structure and can switch between a reversing light and a rear fog light by replacing a corresponding lighting device and a light-transmitting body through a mounting plate. The utility model has good versatility, reduces the manufacturing cost of the light device, and is convenient for assembly and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the lighting device in the embodiment;

[0016] Figure 2 is a cross-sectional view of the lighting device when the lighting device is used as a reversing light in the embodiment;

[0017] Figure 3 Schematic diagram of the structure of the housing, the lighting device and the light-transmitting body for the reversing lamp in the embodiment;

[0018] Figure 4 is a cross-sectional view of the lighting device when the rear fog lamp is used in the embodiment;

[0019] Figure 5 Schematic diagram of the structure of the housing, lighting device and light-transmitting body used for the rear fog lamp in the embodiment.

[0020] In the figure: 1. housing; 101. mounting portion; 102. positioning column; 103. sealing ring; 104. connecting hole; 105. heat dissipation structure; 106. connector end; 107. thermal conductive adhesive layer; 2. lighting device; 21. circuit board; 22. LED light source; 201. first positioning hole; 3. light-transmitting body; 301. light-collecting structure; 302. light-diffusing structure; 303. connecting portion; 304. second positioning hole; 305. reflecting layer; 4. face mask; 401. light-transmitting cover; 402. connecting column; 5. first fastener; 6. second fastener; DETAILED DESCRIPTION

[0021] The present invention will be further described below by way of embodiments in conjunction with the accompanying drawings.

[0022] refer to Figures 1 to 5 A lighting device for the rear of a car includes a shell 1, a lighting device 2, a light-transmitting body 3 and a mask 4. The shell 1 is made of aluminum metal or aluminum alloy. A mounting portion 101 with a rectangular structure is provided on a first side of the shell 1. A heat dissipation structure 105 and a joint end 106 are provided on a second side of the shell 1. The heat dissipation structure 105 includes a plurality of heat dissipation columns arranged at intervals, and each heat dissipation column is integrally formed with the shell 1.

[0023] The lighting device 2 is a lighting device 2 for a reversing light or a lighting device 2 for a rear fog light, and the light-transmitting body 3 is a light-transmitting body 3 for reversing or a light-transmitting body 3 for a rear fog light. The lighting device 2 for the reversing light and the light-transmitting body 3 for the reversing light are positioned and installed on the mounting portion 101 in a matched manner, or the lighting device 2 for the rear fog light and the light-transmitting body 3 for the rear fog light are positioned and installed on the mounting portion 101 in a matched manner.

[0024] The lighting device 2 includes a circuit board 21 and an LED light source 22 arranged on the circuit board 21. The mounting portion 101 is adapted to the circuit board 21. The mounting portion 101 is provided with a heat conductive adhesive layer 107 that contacts the circuit board 21. The connector end 106 is electrically connected to the circuit board 21 through the end of the mounting portion 101. The LED light source 22 is the light-emitting end of the lighting device 2. Both sides of the housing 1 are provided with connection holes 104. The side wall of the mask 4 close to the housing 1 is symmetrically provided with two connection pillars 402. The connection holes 104 are plugged and matched with the corresponding connection pillars 402 so that the mask 4 and the housing 1 are aligned and assembled, so that the mask 4 and the housing 1 are connected through the second fastener 6. The inner side wall of the mask 4 is concave-convexly matched with the mounting portion 101 to cover the light-transmitting body 3. The outer side of the mounting portion 101 is provided with a sealing ring 103. The sealing ring 103 forms an interference fit with the inner side wall of the mask 4 to ensure the sealing reliability of the lighting device.

[0025] The inner wall of the light-transmitting body 3 is formed with a focusing structure 301 adapted to the light-emitting end of the lighting device 2. The focusing structure 301 is a focusing bowl. The outer surface of the light-transmitting body 3 is formed with a light diffusion structure 302. Preferably, the light diffusion structure 302 is a pattern structure for a reversing light or a pattern structure for a rear fog light. The mask 4 is provided with a light-transmitting cover 401 adapted to the light diffusion structure 302. Preferably, the mask 4 is made of plastic, and the light-transmitting cover 401 is made of organic glass. The light-transmitting body 3 has a reflective layer 305. The emitted light of the LED light source 22 is aggregated through the focusing structure 301 and incident on the reflective layer 305, where it is reflected into parallel light and enters the light diffusion structure 302 for diffusion.

[0026] The light-transmitting body 3 is adapted to the lighting device 2, and connecting parts 303 are formed on both sides of the light-transmitting body 3. The circuit board 21 is arranged between the connecting part 303 and the mounting part 101. First positioning holes 201 are penetrated on both sides of the circuit board 21, and the connecting part 303 is penetrated by the second positioning hole 304. Positioning columns 102 are arranged on both sides of the mounting part 101. The first positioning hole 201 and the second positioning hole 304 correspond to each other and are plugged into the positioning columns 102, so that the circuit board 21 and the light-transmitting body 3 are positioned and installed on the mounting part 101 in sequence. Preferably, the light-transmitting body 3 and the mounting part 101 are connected by a first fastener 5 to position the lighting device 2 on the mounting part 101. The lighting device has a simple structure, and the light-transmitting body 3 and the lighting device can be easily disassembled and assembled from the mounting portion 101, so that the user can switch between the reversing light and the rear fog light by replacing the corresponding lighting device 2 and the light-transmitting body 3 by the mounting plate according to the implementation requirements. It has good versatility, reduces the manufacturing cost of the lighting device, and is easy to disassemble and assemble.

[0027] Of course, the above are only typical examples of the present invention. In addition, the present invention may have many other specific implementations. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

Claims

1. A lighting device for the rear of a car, characterized by: The invention comprises a shell (1), an illuminating device (2), a light-transmitting body (3) and a mask (4); the shell (1) is provided with a mounting portion (101); the light-transmitting body (3) is matched with the illuminating device (2); the light-transmitting body (3) and the mounting portion (101) are connected via a first fastener (5) so that the illuminating device (2) is positioned and mounted on the mounting portion (101); the mask (4) and the shell (1) are connected via a second fastener (6); the inner side wall of the mask (4) and the mounting portion (101) are matched in a concave-convex manner to cover the light-transmitting body (3); the inner side wall of the light-transmitting body (3) is formed with a light-gathering structure (301) matched with the light-emitting end of the illuminating device (2); the outer surface of the light-transmitting body (3) is formed with a light-diffusing structure (302); and the mask (4) is provided with a light-transmitting cover (401) matched with the light-diffusing structure (302).

2. The rear lighting device of a vehicle according to claim 1, characterized in that: The lighting device (2) is the lighting device (2) for a reversing light or the lighting device (2) for a rear fog light, and the light-transmitting body (3) is the light-transmitting body (3) for a reversing light or the light-transmitting body (3) for a rear fog light; the lighting device (2) for a reversing light and the light-transmitting body (3) for a reversing light are matched and positioned and installed on the mounting portion (101), or the lighting device (2) for a rear fog light and the light-transmitting body (3) for a rear fog light are matched and positioned and installed on the mounting portion (101).

3. The rear lighting device of a vehicle according to claim 2, characterized in that: The lighting device (2) comprises a circuit board (21) and an LED light source (22) arranged on the circuit board (21); the mounting portion (101) is a rectangular structure; the mounting portion (101) is adapted to the circuit board (21); and the LED light source (22) is a light-emitting end of the lighting device (2).

4. The rear lighting device of a vehicle according to claim 3, characterized in that: The mounting portion (101) is provided with a positioning column (102), the circuit board (21) is penetrated with a first positioning hole (201), the light-transmitting body (3) is provided with a connecting portion (303), the circuit board (21) is arranged between the connecting portion (303) and the mounting portion (101), the connecting portion (303) is penetrated with a second positioning hole (304) corresponding to the first positioning hole (201), and the first positioning hole (201) and the second positioning hole (304) are both pluggably matched with the positioning column (102).

5. The rear lighting device of a vehicle according to claim 3, characterized in that: The light-transmitting body (3) has a reflective layer (305) therein, and the light emitted by the LED light source (22) is concentrated by the light-collecting structure (301) and incident on the reflective layer (305), where it is reflected as parallel light and enters the light diffusion structure (302) for diffusion.

6. The rear lighting device of a vehicle according to claim 1, characterized in that: A sealing ring (103) is sleeved on the outer side of the mounting portion (101), and an interference fit is formed between the sealing ring (103) and the inner side wall of the mask (4).

7. The rear lighting device of a vehicle according to claim 1, characterized in that: The shell (1) is provided with a connection hole (104), the mask (4) is provided with a connection column (402), and the connection hole (104) and the connection column (402) are plug-fitted.

8. The rear lighting device of a vehicle according to claim 1, characterized in that: A heat dissipation structure (105) is provided on a side wall of the housing (1) away from the mounting portion (101).

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