Automotive headlamp dust cover assembly

Abstract

This utility model relates to the field of automotive lighting technology, specifically to a dust cover assembly for an automotive headlight. It includes a headlight body with a mounting hole on the rear end face for mounting an LED headlight onto a mounting bracket inside the headlight body. A connecting portion surrounding the mounting hole is located on the rear end face of the headlight body. A dust cover is provided on the rear end face of the connecting portion, and a positioning portion extending into the connecting portion is located on the front end face of the dust cover. A first connecting plate and a second connecting plate are respectively provided at the connection between the dust cover and the connecting portion. An annular slide rail is provided on the first connecting plate, and a knob is rotatably mounted on the annular slide rail. A connecting screw is located inside the annular slide rail, with one end of the connecting screw passing through the annular slide rail and the first connecting plate, and threadedly connected to the second connecting plate. A dustproof and ventilated device is provided at the rear end of the dust cover. This utility model allows for convenient installation and disassembly without the need for tools, and prevents external dust from easily entering the headlight from the connection between the dust cover assembly and the headlight mounting hole.

Description

Technical Field

[0001] This utility model belongs to the field of automotive lighting technology, specifically an automotive headlight dust cover assembly. Background Technology

[0002] Automotive headlights are tools for illuminating roads at night and for issuing various vehicle driving signals. The rear housing of the headlight has a lamp mounting hole for the LED headlight to be installed onto the mounting bracket inside the headlight. When it is necessary to replace or maintain the LED headlight, it is necessary to install and remove the LED headlight through the lamp mounting hole. In order to prevent external dust from entering the headlight through the lamp mounting hole and causing a decrease in lighting effect, a dust cover that seals the lamp mounting hole needs to be installed on the headlight. Therefore, a dust cover assembly that is easy to install and remove needs to be designed. Summary of the Invention

[0003] The technical problem to be solved by this utility model is to provide a dust cover assembly for automotive headlights that is easy to install and remove without the need for tools, and makes it difficult for external dust to enter the headlight from the connection between the dust cover assembly and the headlight mounting hole.

[0004] The technical solution adopted by this utility model to solve its technical problem is as follows: A dust cover assembly for an automotive headlight includes a headlight body. The rear end face of the headlight body has a mounting hole for mounting an LED headlight onto a mounting bracket inside the headlight body. The rear end face of the headlight body has a connecting portion that surrounds the mounting hole. A dust cover is provided on the rear end face of the connecting portion. A positioning portion extending into the connecting portion is provided on the front end face of the dust cover. A first connecting plate and a second connecting plate are respectively provided at the connection between the dust cover and the connecting portion. An annular slide rail is provided on the first connecting plate. A knob is rotatably mounted on the annular slide rail. A connecting screw is provided inside the annular slide rail. One end of the connecting screw passes through the annular slide rail and the first connecting plate and is threadedly connected to the second connecting plate. A dustproof and breathable device is provided at the rear end of the dust cover.

[0005] Furthermore, a first sealing groove is formed on the outer surface of the positioning part, and a first sealing ring is provided inside the first sealing groove to abut against the inner wall of the connecting part. A second sealing groove is provided on the rear end face of the connecting part, and a second sealing ring is provided inside the second sealing groove to abut against the dust cover. The outer surface of the positioning part abuts against the inner wall of the connecting part.

[0006] Furthermore, the first connecting plate has a connecting hole that matches the connecting screw, and the second connecting plate has a connecting groove that communicates with the connecting hole. The connecting screw passes through the connecting hole and is threadedly connected to the connecting groove.

[0007] Furthermore, the dustproof and breathable device includes a limiting step at the rear end of the inner wall of the dust cover, a rear cover inside the limiting step, and a filter cylinder. The filter cylinder opening has an annular edging around its perimeter. One end of the annular edging abuts against the inner wall of the limiting step, and the other end abuts against the rear cover. The rear cover has a through hole.

[0008] Furthermore, a gripping part is provided at the center of the through hole, and a connecting arm is provided in a ring shape on the outer surface of the gripping part, which is fixedly connected to the inner wall of the through hole.

[0009] Furthermore, the headlight body has mounting portions at both ends, and mounting holes are provided on the mounting portions.

[0010] Furthermore, the headlight body is provided with a low beam lamp, a high beam lamp is provided on one side of the low beam lamp, a daytime running light is provided on the other side of the low beam lamp, and a turn signal is provided below the low beam lamp.

[0011] The beneficial effects of this utility model are: This utility model utilizes a connecting part, a dust cover, a positioning part, a first connecting plate, a second connecting plate, an annular slide rail, a knob, a connecting screw, and a dustproof and ventilated device. The dust cover abuts against the first and second connecting plates through the first connecting plate. The positioning part enters the interior of the connecting part. By rotating the knob on the annular slide rail, the connecting screw is driven to move horizontally and connects with the second connecting plate threadedly. This causes the first and second connecting plates to be fixedly connected, locking the dust cover on the connecting part and protecting the lamp mounting hole from external dust entering the vehicle lamp, which could reduce the lighting effect. Furthermore, no special tools are required for operation, making installation and disassembly convenient. The dustproof and ventilated component also increases the heat dissipation effect of the vehicle lamp and prevents dust from entering the interior. Attached Figure Description

[0012] The foregoing and other objects, features and advantages of this invention will become apparent from the following detailed description taken in conjunction with the accompanying drawings.

[0013] Figure 1 This is a front view of the present utility model.

[0014] Figure 2 This is a rear view of the present invention.

[0015] Figure 3 This is a cross-sectional view of the present invention, omitting the dust cover and connecting part of the grip section.

[0016] Figure 4 This is a cross-sectional view of the first connecting plate and the second connecting plate of this utility model.

[0017] The components include: 1. Headlight body; 101. Mounting hole; 2. Connecting part; 201. Second sealing groove; 202. Second sealing ring; 3. Dust cover; 4. Positioning part; 401. First sealing groove; 402. First sealing ring; 501. First connecting plate; 502. Second connecting plate; 503. Connecting hole; 504. Connecting groove; 6. Annular slide rail; 7. Knob; 8. Connecting screw; 901. Limiting step; 902. Rear cover; 903. Filter screen; 904. Annular edging; 905. Through hole; 10. Grip part; 11. Connecting arm; 12. Mounting part; 1201. Mounting hole; 13. Low beam headlight; 14. High beam headlight; 15. Daytime running light; 16. Turn signal. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] Reference Figure 1-4 As shown, the automotive headlight dust cover assembly includes a headlight body 1. The rear end of the headlight body 1 has a mounting hole 101 for mounting an LED headlight onto a mounting bracket inside the headlight body 1. The LED headlight enters the housing of the headlight body 1 through the mounting hole 101 and is mounted on the headlight mounting bracket. This is prior art and will not be described in detail here. The rear end of the headlight body 1 has a connecting portion 2 that surrounds the mounting hole 101. A dust cover 3 is provided on the rear end of the connecting portion 2. A positioning portion 4 extending into the connecting portion is provided on the front end of the dust cover 3. A first connecting plate 501 and a second connecting plate 502 are respectively provided at the connection between the dust cover 3 and the connecting portion 2. An annular slide rail 6 is provided on the first connecting plate 501. A knob 7 is rotatably mounted on the annular slide rail 6. A connecting screw 8 is provided inside the annular slide rail 6. The end of the ring slide rail 6 and the first connecting plate 501 are threaded together with the second connecting plate 502. The knob 7 is provided with an annular groove that matches the ring slide rail 6, so that the knob 7 can rotate stably on the ring slide rail 6. By rotating the knob 7, the connecting screw 8 is driven to move horizontally, pass through the first connecting plate 501 and threaded together with the second connecting plate 502, so that the first connecting plate 501 and the second connecting plate 502 are locked together, so that the dust cover 3 and the connecting part 2 are fixed together, and the mounting hole 101 is protected to prevent external dust from entering the interior of the vehicle light and causing the lighting effect to decrease. Moreover, no special tools are required for operation, and the installation and disassembly are convenient. The rear end of the dust cover 3 is provided with a dustproof and ventilating device. The dustproof and ventilating component allows external air to pass through the dust cover 3 and come into contact with the internal LED vehicle light, thereby improving the heat dissipation effect of the vehicle light and preventing dust from entering the interior from the heat dissipation point.

[0020] A first sealing groove 401 is provided on the outer surface of the positioning part 4. A first sealing ring 402 is provided inside the first sealing groove 401, which abuts against the inner wall of the connecting part 2. A second sealing groove 201 is provided on the rear end face of the connecting part 2. A second sealing ring 202 is provided inside the second sealing groove 201, which abuts against the dust cover 3. The outer surface of the positioning part 4 abuts against the inner wall of the connecting part 2. The first sealing groove 401 and the first sealing ring 402 cooperate to form a seal at the connection between the positioning part and the connecting part 2. The second sealing groove 201 and the second sealing ring 202 form a seal at the connection between the dust cover 3 and the connecting part 2, forming a double seal from the inside to the outside to prevent external dust from entering the interior of the headlight from the connection.

[0021] The first connecting plate 501 has a connecting hole 503 that matches the connecting screw 8, and the second connecting plate 502 has a connecting groove 504 that communicates with the connecting hole 503. The connecting screw 8 passes through the connecting hole 503 and is threadedly connected to the connecting groove 504. The connecting screw 8 moves inside the connecting hole 503 by rotating the knob 7, moving closer to or away from the connecting groove 504.

[0022] The dustproof and breathable device includes a limiting step 901 located at the rear end of the inner wall of the dust cover 3, a rear cover 902 located inside the limiting step 901, and a filter cylinder 903. The filter cylinder 903 has an annular edging 904 around its opening. One end of the annular edging 904 abuts against the inner wall of the limiting step 901, and the other end abuts against the rear cover 902. The rear cover 902 has a through hole 905. The threaded connection between the rear cover 902 and the inner wall of the dust cover 3 creates a pressing force on the annular edging, fixing the annular edging 904 between the limiting step 901 and the rear cover 902, thus fixing the filter cylinder 903. The filter cylinder 903 can be quickly removed and installed by removing the rear cover, facilitating later maintenance and cleaning of the filter cylinder 903. The filter cylinder 903 prevents external dust from entering the headlight through the through hole 905, thus providing dustproof capability while dissipating heat, and its cylindrical structure is not prone to clogging.

[0023] A gripping part 10 is provided at the center of the through hole 905. A connecting arm 11 is provided in a ring shape on the outer surface of the gripping part 10 and is fixedly connected to the inner wall of the through hole 905. The gripping part 10 and the connecting arm 11 cooperate to facilitate the rotation of the back cover 902, and facilitate the installation and removal of the back cover 902.

[0024] The headlight body 1 has mounting parts 12 at both ends, and mounting holes 1201 are provided on the mounting parts 12 for fixing the headlight to the vehicle frame.

[0025] The headlight body 1 is equipped with a low beam lamp 13, a high beam lamp 14 is provided on one side of the low beam lamp 13, a daytime running light 15 is provided on the other side of the low beam lamp 13, and a turn signal 16 is provided below the low beam lamp 13.

[0026] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications or equivalent changes made to the above embodiments based on the technical essence of the present utility model shall fall within the protection scope of the present utility model.

Claims

1. A dust cover assembly for a car headlamp, comprising a headlamp main body (1), a mounting lamp hole (101) is arranged on the rear end face of the headlamp main body (1) for mounting an LED car lamp on a mounting bracket in the headlamp main body (1), characterized in that: The headlight body (1) has a connecting part (2) that surrounds the lamp mounting hole (101) on its rear end face. The connecting part (2) has a dust cover (3) on its rear end face. The dust cover (3) has a positioning part (4) that extends into the connecting part on its front end face. The dust cover (3) and the connecting part (2) are respectively provided with a first connecting plate (501) and a second connecting plate (502). The first connecting plate (501) is provided with an annular slide rail (6). The annular slide rail (6) is rotatably provided with a knob (7). The annular slide rail (6) is provided with a connecting screw (8) inside. One end of the connecting screw (8) passes through the annular slide rail (6) and the first connecting plate (501) and is threadedly connected to the second connecting plate (502). The dust cover (3) has a dustproof and breathable device at its rear end.

2. The automotive headlamp dust cover assembly of claim 1, wherein: The positioning part (4) has a first sealing groove (401) on its outer surface. The first sealing groove (401) is provided with a first sealing ring (402) that abuts against the inner wall of the connecting part (2). The connecting part (2) has a second sealing groove (201) on its rear end face. The second sealing groove (201) is provided with a second sealing ring (202) that abuts against the dust cover (3). The outer surface of the positioning part (4) abuts against the inner wall of the connecting part (2).

3. The automotive headlamp dust cover assembly of claim 1, wherein: The first connecting plate (501) has a connecting hole (503) that matches the connecting screw (8), and the second connecting plate (502) has a connecting groove (504) that communicates with the connecting hole (503). The connecting screw (8) passes through the connecting hole (503) and is threadedly connected to the connecting groove (504).

4. The automotive headlamp dust cover assembly of claim 1, wherein: The dustproof and breathable device includes a limiting step (901) opened at the rear end of the inner wall of the dust cover (3), a rear cover (902) set inside the limiting step (901), and a filter cylinder (903). The filter cylinder (903) has an annular edging (904) around its opening. One end of the annular edging (904) abuts against the inner wall of the limiting step (901), and the other end abuts against the rear cover (902). The rear cover (902) has a through hole (905).

5. The automotive headlamp dust cover assembly of claim 4, wherein: A gripping part (10) is provided at the center of the through hole (905), and a connecting arm (11) is provided in a ring shape on the outer surface of the gripping part (10) and is fixedly connected to the inner wall of the through hole (905).

6. The automotive headlamp dust cover assembly of claim 1, wherein: The headlight body (1) has mounting parts (12) at both ends, and mounting holes (1201) are provided on the mounting parts (12).

7. The automotive headlamp dust cover assembly of claim 1, wherein: The headlight body (1) is provided with a low beam lamp (13), a high beam lamp (14) is provided on one side of the low beam lamp (13), a daytime running light (15) is provided on the other side of the low beam lamp (13), and a turn signal (16) is provided below the low beam lamp (13).

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