Automobile headlamp with dimming function

By using a gear-disc transmission system and fan cooling measures, the problem of adjusting the illumination angle of automotive headlights under different road conditions has been solved, achieving a wider range of illumination and improved stability.

CN223511946UActive Publication Date: 2025-11-04SHANGHAI LEIOU ELECTRIC CO LTD
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Patent Information

Application Number
CN202423042459.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-11-04
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Existing car headlights cannot adapt to different road conditions and driving conditions during illumination, and the horizontal angle of illumination cannot be adjusted, affecting the lighting effect.

Method used

The system employs a gear and helical disc transmission system, which uses a motor to drive the meshing of gears and helical discs to achieve reverse rotation of the top and bottom light bodies, thereby expanding the horizontal illumination angle and improving stability through fan cooling.

Benefits of technology

The lighting range has been expanded, improving the practicality of lighting on different roads, and the stability of the lamp body has been improved through cooling measures.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile headlamps, and discloses an automobile headlamp with a dimming function, which comprises a side sealing plate, one side of the side sealing plate is fixedly connected with a fixed side frame, one side of the fixed side frame is fixedly connected with a first motor body, and an output shaft of the first motor body is fixedly connected with a driving rod. One end of the driving rod is fixedly connected with a first helical fluted disc, the top of the first helical fluted disc is in meshed connection with a third helical fluted disc, and the bottom of the first helical fluted disc is in meshed connection with a second helical fluted disc; the top lamp body and the bottom lamp body rotate in opposite directions, so that the horizontal angle of the top lamp body and the bottom lamp body during illumination can be enlarged, the horizontal range of illumination can be enlarged, and the illumination range and the illumination practicability on different roads are improved; and wind power generated by the rotating transmission bottom fan is blown to the surface of the top lamp body and the surface of the bottom lamp body, the continuously-used top lamp body and the continuously-used bottom lamp body are cooled, and the using stability of the top lamp body and the bottom lamp body is improved.
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Description

Technical Field

[0001] This utility model belongs to the field of automotive headlight technology, and more specifically, it relates to an automotive headlight with dimming function. Background Technology

[0002] Headlights provide drivers with sufficient visibility to see the road, pedestrians, other vehicles, and obstacles at night or in low visibility conditions. Low beams provide illumination over a shorter distance and are suitable for urban roads with streetlights; high beams illuminate a longer distance, helping drivers to spot road conditions further ahead and are suitable for roads without streetlights or in rural areas such as highways.

[0003] In the prior art, patent publication number "CN203211177U" discloses a "car headlight dimmer with automatic adjustment function," which includes a sensor, a controller, and a motor for adjusting the illumination direction of the car headlights. The sensor is connected to the controller, detects the height of the car chassis from the ground, and transmits the height difference to the controller as an electrical signal. The controller receives the electrical signal as a position feedback signal for the car and receives a predetermined control signal. The controller is also connected to the motor, and compares and calculates the control signal with the position feedback signal to control the motor to adjust the illumination direction of the car headlights. The advantage of this invention is that by detecting the height of the car chassis from the ground with a sensor and transmitting the height difference to the controller as an electrical signal, the controller compares and calculates the difference and then controls the motor to complete the automatic adjustment function of the car headlights, thus restoring the illumination direction from a deviated direction to the standard direction, thereby improving the lighting effect.

[0004] The aforementioned "automotive headlight dimmer with automatic adjustment function" still has some drawbacks. For example, the existing headlights cannot adapt their illumination angle to different road conditions and driving conditions during illumination, and the horizontal angle of the illumination cannot be adjusted, which affects the lighting effect.

[0005] To address this issue, a car headlight with dimming function is proposed. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides a car headlight with dimming function, thereby solving the problem mentioned in the background art that the illumination angle of existing headlights cannot adapt to different road conditions and driving conditions, and the horizontal angle of illumination cannot be adjusted, thus affecting the lighting effect.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a car headlight with dimming function, comprising a side sealing plate, a fixed side frame fixedly connected to one side of the side sealing plate, a first motor body fixedly connected to one side of the fixed side frame, an active rod fixedly connected to the output shaft of the first motor body, a first helical gear disk fixedly connected to one end of the active rod, a third helical gear disk meshing with the top of the first helical gear disk, a second helical gear disk meshing with the bottom of the first helical gear disk, a bottom lamp body fixedly connected to the bottom of the second helical gear disk, and a top lamp body fixedly connected to the top of the third helical gear disk.

[0008] Preferably, the top of the top light body and the bottom of the bottom light body are both fixedly connected to limit grooves, and there are two limit grooves, with an arc-shaped sliding plate slidably connected to one side of each of the two limit grooves.

[0009] Preferably, a top limiting plate is fixedly connected to one side of the side sealing plate, and there are two top limiting plates, with one side of each of the two top limiting plates fixedly connected to one side of the arc-shaped sliding plate.

[0010] Preferably, there are two fixed side frames, and a second motor body and a first motor body are fixedly connected to one side of each of the two fixed side frames.

[0011] Preferably, the output shaft of the second motor body is fixedly connected to a bottom gear disk, a transmission toothed belt is meshed with one side of the bottom gear disk, a top gear disk is meshed with one side of the transmission toothed belt, a side transmission rod is fixedly connected to one side of the top gear disk, a fourth helical toothed disk is fixedly connected to one end of the side transmission rod, a fifth helical toothed disk is meshed with one side of the fourth helical toothed disk, a top transmission rod is fixedly connected to the bottom of the fifth helical toothed disk, and a transmission bottom fan is fixedly connected to the bottom of the top transmission rod.

[0012] Preferably, there are two transmission toothed belts, and both transmission toothed belts are symmetrically arranged along the upper and lower sides of the second motor body.

[0013] Compared with the prior art, this utility model provides a car headlight with dimming function, which has the following beneficial effects:

[0014] 1) When the car headlight with dimming function is working, when the first helical gear plate rotates, it will simultaneously drive the second and third helical gear plates to rotate in the opposite direction. The rotating second helical gear plate will drive the bottom lamp body to rotate, while the rotating third helical gear plate will drive the top lamp body to rotate. Both the rotating top lamp body and the bottom lamp body will drive the limiting slide groove to slide along the surface of the arc-shaped slide plate, which improves the stability of the top lamp body and the bottom lamp body when rotating. By rotating the top lamp body and the bottom lamp body in opposite directions, the horizontal angle of the top lamp body and the bottom lamp body during illumination can be expanded, which can expand the horizontal range of illumination and improve the range and practicality of lighting on different roads.

[0015] 2) When the car headlight with dimming function is working, the rotating No. 4 helical gear disk will synchronously drive the No. 5 helical gear disk to mesh and rotate. The rotating No. 5 helical gear disk will synchronously drive the top transmission rod to rotate along the inner side of the top limit plate. The rotating top transmission rod will drive the transmission bottom fan to rotate, and the rotating transmission bottom fan will generate wind force to blow onto the surface of the top lamp body and the bottom lamp body, thereby cooling the top lamp body and the bottom lamp body that are in continuous use and improving the stability of the top lamp body and the bottom lamp body in use. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 This is a schematic diagram of the overall appearance structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the No. 2 helical toothed disc structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the limiting slide groove structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the transmission base fan structure of this utility model;

[0021] The following are the labeling instructions in the diagram: 1. Side sealing plate; 2. Top light body; 3. Bottom light body; 401. Fixed side frame; 402. First motor body; 403. Drive rod; 404. First helical gear plate; 405. Second helical gear plate; 406. Third helical gear plate; 407. Top limiting plate; 408. Arc-shaped sliding plate; 409. Limiting groove; 501. Bottom gear plate; 502. Transmission toothed belt; 503. Top gear plate; 504. Side transmission rod; 505. Fourth helical gear plate; 506. Fifth helical gear plate; 507. Top transmission rod; 508. Transmission bottom fan; 509. Second motor body. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0023] Please see Figures 1 to 4 This utility model provides a technical solution: a car headlight with dimming function, including a side sealing plate 1, a fixed side bracket 401 fixedly connected to one side of the side sealing plate 1, a first motor body 402 fixedly connected to one side of the fixed side bracket 401, an active rod 403 fixedly connected to the output shaft of the first motor body 402, a first helical gear 404 fixedly connected to one end of the active rod 403, a third helical gear 406 meshing with the top of the first helical gear 404, a second helical gear 405 meshing with the bottom of the first helical gear 404, a bottom lamp body 3 fixedly connected to the bottom of the second helical gear 405, and a top lamp body 2 fixedly connected to the top of the third helical gear 406.

[0024] It should be noted that by rotating the top light body 2 and the bottom light body 3 in opposite directions, the horizontal angle of the top light body 2 and the bottom light body 3 during illumination can be expanded, thereby increasing the horizontal range of illumination and improving the range and practicality of lighting on different roads.

[0025] In an optional embodiment: the top of the top lamp body 2 and the bottom of the bottom lamp body 3 are both fixedly connected to a limiting groove 409. There are two limiting grooves 409, and an arc-shaped sliding plate 408 is slidably connected to one side of each of the two limiting grooves 409.

[0026] It should be noted that the rotating helical gear disk 406 will drive the top light body 2 to rotate. The rotating top light body 2 and bottom light body 3 will both drive the limiting slide groove 409 to slide along the surface of the arc-shaped slide plate 408, which improves the stability of the top light body 2 and bottom light body 3 when rotating.

[0027] In an optional embodiment: a top limiting plate 407 is fixedly connected to one side of the side sealing plate 1, and there are two top limiting plates 407, with one side of each of the two top limiting plates 407 fixedly connected to one side of the arc-shaped sliding plate 408.

[0028] It should be noted that the rotating helical gear 506 will synchronously drive the top transmission rod 507 to rotate along the inner side of the top limit plate 407. The rotating top transmission rod 507 will drive the transmission bottom fan 508 to rotate, and the rotating transmission bottom fan 508 will generate wind force to blow onto the surface of the top lamp body 2 and the bottom lamp body 3, thereby cooling the continuously used top lamp body 2 and bottom lamp body 3 and improving the stability of the top lamp body 2 and bottom lamp body 3 in use.

[0029] In one optional embodiment: there are two fixed side frames 401, and a second motor body 509 and a first motor body 402 are fixedly connected to one side of the two fixed side frames 401 respectively.

[0030] It should be noted that the fixed side frame 401 can securely fix the second motor body 509 and the first motor body 402, maintaining the stability of the operation of the second motor body 509 and the first motor body 402.

[0031] In an optional embodiment: the output shaft of the second motor body 509 is fixedly connected to a bottom gear disk 501, a transmission toothed belt 502 is meshed with one side of the bottom gear disk 501, a top gear disk 503 is meshed with one side of the transmission toothed belt 502, a side transmission rod 504 is fixedly connected to one side of the top gear disk 503, a fourth helical toothed disk 505 is fixedly connected to one end of the side transmission rod 504, a fifth helical toothed disk 506 is meshed with one side of the fourth helical toothed disk 505, a top transmission rod 507 is fixedly connected to the bottom of the fifth helical toothed disk 506, and a transmission bottom fan 508 is fixedly connected to the bottom of the top transmission rod 507.

[0032] It should be noted that the rotating top drive rod 507 will drive the drive bottom fan 508 to rotate, and the rotating drive bottom fan 508 will generate wind to blow onto the surface of the top lamp body 2 and the bottom lamp body 3, thereby cooling the top lamp body 2 and the bottom lamp body 3 which are in continuous use and improving the stability of the top lamp body 2 and the bottom lamp body 3 in use.

[0033] In an optional embodiment, the number of transmission toothed belts 502 is two, and both transmission toothed belts 502 are symmetrically arranged along the upper and lower sides of the second motor body 509.

[0034] It should be noted that, through the meshing of the transmission belt 502, the bottom gear disk 501 will rotate synchronously, which will drive the top gear disk 503 to rotate. The rotating top gear disk 503 will drive the side transmission rod 504 to rotate synchronously, and the rotating side transmission rod 504 will drive the fourth helical gear disk 505 to rotate synchronously.

[0035] The specific usage and function of this embodiment: During normal operation of the car headlight with dimming function, illumination is first provided by the top lamp body 2 and the bottom lamp body 3. When it is necessary to expand the horizontal angle of illumination, the first motor body 402 on one side of the fixed side bracket 401 is started first. After the first motor body 402 is started, it drives the drive rod 403 to rotate. The rotating drive rod 403 will drive the first helical gear plate 404 to rotate. Through the meshing of the upper and lower sides of the first helical gear plate 404 with the second helical gear plate 405 and the third helical gear plate 406, the rotation of the first helical gear plate 404 will synchronously drive the second helical gear plate 406. The helical gear disk 405 and the third helical gear disk 406 rotate in opposite directions. The rotating second helical gear disk 405 will drive the bottom lamp body 3 to rotate, while the rotating third helical gear disk 406 will drive the top lamp body 2 to rotate. Both the rotating top lamp body 2 and the bottom lamp body 3 will drive the limiting slide groove 409 to slide along the surface of the arc-shaped slide plate 408, which improves the stability of the top lamp body 2 and the bottom lamp body 3 when rotating. By rotating the top lamp body 2 and the bottom lamp body 3 in opposite directions, the horizontal angle of the top lamp body 2 and the bottom lamp body 3 when illuminating can be expanded, which can expand the horizontal range of illumination and improve the range and practicality of lighting on different roads.

[0036] The second motor body 509 is activated and drives the two bottom gear disks 501 to rotate. Through the meshing of the transmission belt 502, the bottom gear disk 501 rotates synchronously, which in turn drives the top gear disk 503 to rotate. The rotating top gear disk 503 drives the side transmission rod 504 to rotate synchronously, which in turn drives the fourth helical gear disk 505 to rotate synchronously. The fourth helical gear disk 505 drives the fifth helical gear disk 506 to mesh and rotate synchronously. The fifth helical gear disk 506 drives the top transmission rod 507 to rotate along the inner side of the top limit plate 407 synchronously. The rotating top transmission rod 507 drives the transmission bottom fan 508 to rotate, and the rotating transmission bottom fan 508 generates wind that blows onto the surfaces of the top lamp body 2 and the bottom lamp body 3, cooling the continuously used top lamp body 2 and the bottom lamp body 3 and improving the stability of the top lamp body 2 and the bottom lamp body 3 in use.

[0037] The contents not described in detail in this specification are existing technologies known to those skilled in the art and are not key to this utility model, therefore they will not be elaborated upon.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.

Claims

1. A car headlight with dimming function, comprising a side panel (1), characterized in that: A fixed side frame (401) is fixedly connected to one side of the side sealing plate (1), and a first motor body (402) is fixedly connected to one side of the fixed side frame (401). An active rod (403) is fixedly connected to the output shaft of the first motor body (402). A first helical gear disc (404) is fixedly connected to one end of the active rod (403). A third helical gear disc (406) is meshed with the top of the first helical gear disc (404). A second helical gear disc (405) is meshed with the bottom of the first helical gear disc (404). A bottom lamp body (3) is fixedly connected to the bottom of the second helical gear disc (405). A top lamp body (2) is fixedly connected to the top of the third helical gear disc (406).

2. A car headlight with dimming function according to claim 1, characterized in that: The top of the top lamp body (2) and the bottom of the bottom lamp body (3) are both fixedly connected to a limiting slide groove (409). There are two limiting slide grooves (409), and an arc-shaped slide plate (408) is slidably connected to one side of each of the two limiting slide grooves (409).

3. A car headlight with dimming function according to claim 2, characterized in that: One side of the side sealing plate (1) is fixedly connected to a top limiting plate (407), and there are two top limiting plates (407), and one side of each of the two top limiting plates (407) is fixedly connected to one side of the arc-shaped sliding plate (408).

4. A car headlight with dimming function according to claim 3, characterized in that: There are two fixed side frames (401), and a second motor body (509) and a first motor body (402) are fixedly connected to one side of each of the two fixed side frames (401).

5. A car headlight with dimming function according to claim 4, characterized in that: The output shaft of the second motor body (509) is fixedly connected to a bottom gear disk (501). A transmission toothed belt (502) is meshed with one side of the bottom gear disk (501). A top gear disk (503) is meshed with one side of the transmission toothed belt (502). A side transmission rod (504) is fixedly connected with one side of the top gear disk (503). A fourth helical toothed disk (505) is fixedly connected to one end of the side transmission rod (504). A fifth helical toothed disk (506) is meshed with one side of the fourth helical toothed disk (505). A top transmission rod (507) is fixedly connected to the bottom of the fifth helical toothed disk (506). A transmission bottom fan (508) is fixedly connected to the bottom of the top transmission rod (507).

6. A car headlight with dimming function according to claim 5, characterized in that: The number of transmission toothed belts (502) is two, and the two transmission toothed belts (502) are symmetrically arranged along the upper and lower sides of the second motor body (509).

Citation Information

Patent Citations

  • Automobile headlamp dimmer with automatic adjusting function

    CN203211177U