Automobile tail lamp with structure for preventing anti-fog coating from cracking

Abstract

An automobile tail lamp with a structure for preventing an anti-fog coating from cracking comprises an outer-layer lampshade and an inner-layer lampshade fixedly connected to the inner side of the outer-layer lampshade, the edge of the inner-layer lampshade is provided with an extending part extending outwards, and the outer-layer lampshade is provided with an installation space used for containing the extending part. The inner wall of the extension part is gently connected with the inner wall of the outer-layer lampshade to form a coating surface, the outer-layer lampshade comprises a single-layer light-transmitting part in the center and an outer-layer connecting part surrounding the single-layer light-transmitting part, the inner-layer lampshade surrounds the outer side of the single-layer light-transmitting part and is fixedly connected with the outer-layer connecting part, and the extension part is arranged on the side, close to the outer-layer lampshade, of the inner-layer lampshade; a positioning part protruding towards one side of the outer-layer lampshade is arranged on the extending part, and the extending part comprises a connecting part connected with the inner-layer lampshade and a contact part which is arranged at the outer end of the connecting part and is in contact with the outer-layer lampshade.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle lamps, in particular to a vehicle tail lamp with a structure for preventing anti-fog coating from cracking. Background Art

[0002] In order to integrate different signal lights and reduce the size of taillights, existing automobiles usually use two-color lampshades to make taillights. As the name suggests, the two-color lampshade has a lampshade that can emit two colors. Due to the high cost of two-color injection molding, the two-color lampshades are generally produced and manufactured in a combined and superimposed manner. After the lampshade is assembled, an anti-fog coating needs to be applied for anti-fog treatment. When the above-mentioned superimposed lamps are subjected to anti-fog treatment, the anti-fog coating will accumulate at the corner where the two colors of the lampshade are connected. If the mold molding is not good, the anti-fog coating will crack and cause water to enter the entire lamp, thereby affecting the normal use of the automobile taillights. Utility Model Content

[0003] The utility model aims to solve the problems existing in the above-mentioned prior art and provides a car taillight with a structure for preventing anti-fog coating from cracking. The structure is simple and can prevent the anti-fog coating from accumulating at the junction of the two-color lampshade, thereby preventing the anti-fog coating from cracking, ensuring good sealing of the car light and ensuring normal use of the car light.

[0004] The utility model adopts a technical solution to solve the technical problem: the automobile taillight with a structure to avoid cracking of the anti-fog coating comprises an outer lampshade and an inner lampshade fixedly connected to the inner side of the outer lampshade, an extension portion extending outward is provided on the edge of the inner lampshade, an installation space for accommodating the extension portion is provided on the outer lampshade, the inner wall of the extension portion is smoothly connected with the inner wall of the outer lampshade to form a coating surface, the utility model is provided with an extension portion in contact with the outer lampshade, so that the connection position of the inner lampshade and the outer lampshade is offset outward, and a smooth coating surface is provided on the outer side of the lampshade joint position, so as to facilitate the application of the anti-fog coating and avoid the accumulation of the anti-fog coating and cracking;

[0005] Preferably, the outer lampshade includes a single-layer light-transmitting portion at the center and an outer-layer connecting portion surrounding the single-layer light-transmitting portion, and the inner lampshade surrounds the outside of the single-layer light-transmitting portion and is fixedly connected to the outer-layer connecting portion; the outer lampshade in this embodiment is divided into a central single-layer light-transmitting portion and a surrounding outer-layer connecting portion, and the inner lampshade is fixedly mounted on the outer-layer connecting portion.

[0006] Preferably, the extension portion is arranged on a side of the inner lampshade close to the outer lampshade, which facilitates the molding of the extension portion and also facilitates the formation of a coating surface between the extension portion and the outer lampshade.

[0007] Preferably, the extension portion is provided with a positioning portion protruding toward one side of the outer lampshade, and the positioning portion is provided to prevent the inner lampshade from sliding relative to the outer lampshade after installation, while further improving the positioning accuracy of the inner lampshade and ensuring that the position of the inner lampshade is accurately fixed.

[0008] Preferably, the extending portion includes a connecting portion connected to the inner lampshade and a contact portion arranged at an outer end of the connecting portion and in contact with the outer lampshade.

[0009] Preferably, the installation space includes an installation groove for installing the connecting portion and an arc-shaped clamping groove corresponding to the contact portion and used for positioning the contact portion.

[0010] Preferably, the edge of the inner lampshade is provided with an inclined surface connected to the inner wall of the extension portion, and the angle between the inclined surface and the inner wall of the extension portion is set greater than 90°, so that the opening at the corner of the inner lampshade is larger, making it easier to paint at the corner.

[0011] Preferably, the single-layer light-transmitting portion and the outer-layer connecting portion are integrally formed by injection molding.

[0012] The beneficial effect of the utility model is that an extension portion extending outward is arranged on the inner lampshade, and a corresponding installation space for accommodating the extension portion is opened on the outer lampshade, so that when the inner lampshade is installed on the outer lampshade, the inner wall of the extension portion is smoothly connected with the inner wall of the outer lampshade to form a coating surface, so that the connection position of the two-color lampshade is offset outward and a smooth coating surface is formed on the outer side of the connection position, which is convenient for applying the anti-fog coating and does not form a protruding accumulation at the connection position, thereby avoiding cracking of the anti-fog coating at the connection, and ensuring good sealing of the automobile taillight. 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 an exploded view of the utility model;

[0015] Figure 3 It is a top view of the utility model;

[0016] Figure 4 for Figure 3 Cross-section in the BB direction;

[0017] Figure 5 for Figure 4 A magnified view of part A;

[0018] Figure 6 for Figure 4 Magnified view of part C.

[0019] Explanation of the accompanying drawings: 1. Outer lampshade, 2. Inner lampshade, 3. Extension part, 4. Installation space, 5. Coating surface, 1-1. Single-layer light-transmitting part, 1-2. Outer connecting part, 6. Positioning part, 3-1. Connecting part, 3-2. Contact part, 4-1. Installation groove, 4-2. Arc-shaped slot, 7. Inclined surface. DETAILED DESCRIPTION

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

[0021] As the name implies, a two-color lampshade is a lampshade that can emit two colors. Due to the high cost of two-color injection molding, the two-color lampshades are generally manufactured in a combined and superimposed manner. When the lampshade produced by the above method is treated with an anti-fog coating, the anti-fog coating accumulates at the junction of the two colors of the lampshade. If the mold molding is not good, it may cause the lampshade to crack and cause water to enter the entire lamp. In order to solve the above problem, the present embodiment discloses a car taillight with a structure for avoiding cracking of the anti-fog coating, including an outer lampshade 1 and an inner lampshade 2 fixedly connected to the inner side of the outer lampshade 1; an extension portion 3 extending outward is provided on the edge of the inner lampshade 2, and an installation space 4 for accommodating the extension portion 3 is provided on the outer lampshade 1, and the inner wall of the extension portion 3 is smoothly connected to the inner wall of the outer lampshade 1 to form a coating surface 5; Figure 4 and 5 As shown, the inner lampshade 2 in this embodiment is provided with an extension portion 3 extending outward, and the inner wall of the extension portion 3 is smoothly connected with the inner wall of the outer lampshade 1 to form a coating surface 5, so that the connection position of the outer lampshade 1 and the inner lampshade 2 is offset outward, and a smooth coating surface 5 is formed outside the connection position, so that when the lampshade is subjected to anti-fog treatment, the anti-fog coating can be evenly applied on the coating surface 5 and the coating will not accumulate at the connection position, thereby ensuring effective anti-fog treatment, preventing water from entering the lampshade, and ensuring the quality of the vehicle lamp;

[0022] Further, such as Figure 1-Figure 4 As shown, the outer lampshade 1 in this embodiment includes a single-layer light-transmitting portion 1-1 at the center and an outer-layer connecting portion 1-2 surrounding the single-layer light-transmitting portion, and the inner lampshade 2 surrounds the outer side of the single-layer light-transmitting portion 1-1 and is fixedly connected to the outer-layer connecting portion 1-2; wherein the outer lampshade 1 is a transparent structure, the single-layer light-transmitting portion 1-1 and the outer-layer connecting portion 1-2 are integrally injection molded, and the inner lampshade 1 can be red or yellow according to the lighting requirements; in this embodiment, part of the light passes through the single-layer light-transmitting portion 1-1 at the middle transparent position to the outside to form white light, and part of the light passes through the inner lampshade 1 and the outer-layer connecting portion 1-2 in turn and then passes out to form light of the same color as the inner lampshade 1, thereby making a two-color lampshade;

[0023] Specifically, Figure 5As shown, in this embodiment, the extension portion 3 is arranged on the side of the inner lampshade 2 close to the outer lampshade 1, so that the extension portion 3 is designed on the side close to the outer lampshade 1, which is convenient for the connection between the extension portion 3 and the outer lampshade 1; further, in this embodiment, in order to make the positions of the outer lampshade 1 and the inner lampshade 2 relatively fixed after installation, a positioning portion 6 protruding toward one side of the outer lampshade 1 is provided on the extension portion 3; wherein the positioning portion 6 and the extension portion 3 are integrally formed, and the outer side of the positioning portion 6 is smoothly connected to the extension portion 3.

[0024] Further, such as Figure 6 As shown, the extension portion 3 in this embodiment includes a connection portion 3-1 connected to the inner lampshade 2 and a contact portion 3-2 arranged at the outer end of the connection portion 3-1 and in contact with the outer lampshade 1; wherein the inner lampshade 2, the connection portion 3-1 and the contact portion 3-2 are integrally formed by injection molding; correspondingly, the installation space 4 in this embodiment includes an installation groove 4-1 for installing the connection portion 3-1 and an arc-shaped card groove 4-2 corresponding to the contact portion 3-2 for positioning the contact portion 3-2, and a positioning groove corresponding to the positioning portion is provided in the installation groove 4-1, thereby avoiding accurate positioning when the inner lampshade 2 is pressed on the outer lampshade 1, and facilitating accurate fixing of the position of the inner lampshade 2;

[0025] Furthermore, Figure 5 As shown, the edge of the inner lampshade 2 is provided with an inclined surface 7 connected to the inner wall of the extension part 3, and the angle between the inclined surface 7 and the inner wall of the extension part 3 is set greater than 90°, thereby making the opening at the corner of the inner lampshade 2 larger, making it easier to apply the coating at the corner, avoiding coating accumulation, and thus preventing the lampshade from cracking and water ingress; at the same time, since the connection between the outer lampshade 1 and the inner lampshade 2 is offset and not at the corner, the lampshade can also be prevented from getting water ingress.

[0026] 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 car taillight with a structure for preventing anti-fog coating from cracking, comprising an outer lampshade (1) and an inner lampshade (2) fixedly connected to the inner side of the outer lampshade (1), wherein: An extension portion (3) extending outward is provided on the edge of the inner lampshade (2), a mounting space (4) for accommodating the extension portion (3) is provided on the outer lampshade (1), and an inner wall of the extension portion (3) is smoothly connected to an inner wall of the outer lampshade (1) to form a coating surface (5).

2. The automobile taillight with a structure for preventing anti-fog coating from cracking according to claim 1, characterized in that: The outer lampshade (1) comprises a single-layer light-transmitting portion (1-1) at a central position and an outer-layer connecting portion (1-2) surrounding the single-layer light-transmitting portion, and the inner lampshade (2) surrounds the outer side of the single-layer light-transmitting portion (1-1) and is fixedly connected to the outer-layer connecting portion (1-2).

3. The automobile taillight with a structure for preventing anti-fog coating from cracking according to claim 1, characterized in that: The extension portion (3) is arranged on a side of the inner lampshade (2) close to the outer lampshade (1).

4. The automobile taillight with a structure for preventing anti-fog coating from cracking according to claim 3, characterized in that: The extension portion (3) is provided with a positioning portion (6) protruding toward one side of the outer lampshade (1).

5. The automobile taillight with a structure for preventing anti-fog coating from cracking according to any one of claims 1 to 4, characterized in that: The extension portion (3) comprises a connection portion (3-1) connected to the inner lampshade (2) and a contact portion (3-2) arranged at the outer end of the connection portion (3-1) and in contact with the outer lampshade (1).

6. The automobile taillight with a structure for preventing anti-fog coating from cracking according to claim 5, characterized in that: The installation space (4) comprises an installation groove (4-1) for installing the connecting portion (3-1) and an arc-shaped clamping groove (4-2) corresponding to the contact portion (3-2) and used for positioning the contact portion (3-2).

7. The automobile taillight with a structure for preventing anti-fog coating from cracking according to claim 1, characterized in that: The edge of the inner lampshade (2) is provided with an inclined surface (7) connected to the inner wall of the extension portion (3), and the angle between the inclined surface (7) and the inner wall of the extension portion (3) is greater than 90°.

8. The automobile taillight with a structure for preventing anti-fog coating from cracking according to claim 2, characterized in that: The single-layer light-transmitting portion (1-1) and the outer-layer connecting portion (1-2) are integrally formed by injection molding.

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