Car lamp dimming device and car lamp

By combining a dimming adapter and a drive unit, the headlight angle is adjusted using the lever principle, which solves the problem of difficult motor placement and improves the reliability and accuracy of headlight adjustment.

CN223579742UActive Publication Date: 2025-11-21MIND ELECTRONICS APPLIANCE CO LTD
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Patent Information

Application Number
CN202520258114.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2025-11-21
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

In the existing technology, the improved optical performance of the lens module of the vehicle headlight has led to a larger lens module size. Within the limited space of the headlight, it is difficult to arrange the motor and achieve effective angle adjustment.

Method used

The system employs a combination of a dimming adapter and a drive unit, using a lever principle to adjust the headlight angle. The first end of the dimming adapter is connected to the dimming bracket, and the drive unit drives the second end of the dimming adapter to move and rotate around the fulcrum, thereby rotating the dimming bracket and adjusting the headlight illumination angle.

Benefits of technology

It improves the difficulty of placing the motor near the lens, enhances the reliability and accuracy of headlight angle adjustment, avoids the limitation of motor position by the lens, and enhances the adjustment flexibility of the headlight.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a car lamp dimming device which comprises a dimming support, a dimming adapter and a driving part, the first end of the dimming adapter is connected with the dimming support, a fulcrum is arranged on the dimming adapter, and the dimming adapter can rotate around the fulcrum; the driving part is in transmission connection with the second end of the dimming adapter, and the driving part can drive the second end of the dimming adapter to move in the first direction so as to drive the dimming support to rotate along the dimming shaft. According to the car lamp dimming device, the driving piece is connected with the dimming support through the dimming adapter, the dimming support is driven to rotate through the dimming adapter, the irradiation angle of a car lamp is adjusted, compared with the prior art, the position of the driving piece is not limited by the size and position of a lens, and the driving piece is not limited by the size and position of the lens. The situation that in the prior art, it is difficult to arrange a driving piece near a lens can be improved, and meanwhile the reliability of vehicle lamp angle adjustment can be improved. The utility model further discloses a car lamp.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of car light, more particularly to a car light light adjusting device and car light. BACKGROUND

[0002] In prior art, the light adjusting device of car light is generally composed of motor and light adjusting support, the motor and the light adjusting support are connected to realize the angle adjustment of light.

[0003] Therefore, how to improve the condition that the motor is difficult to arrange near the lens in prior art to realize the angle adjustment of car light becomes a technical problem to be solved by the person skilled in the art. CONTENT OF THE UTILITY MODEL

[0004] Therefore, the utility model discloses a car light light adjusting device to improve the condition that the motor is difficult to arrange near the lens in prior art to realize the angle adjustment of car light.

[0005] Another core of the utility model is to disclose a car light comprising the car light light adjusting device.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A car light light adjusting device comprises:

[0008] Light adjusting support

[0009] Light adjusting adapter, the first end of light adjusting adapter is connected with light adjusting support, a fulcrum is arranged on light adjusting adapter, and light adjusting adapter can rotate around the fulcrum;

[0010] Driving part, the second end of light adjusting adapter is drivingly connected with driving part, and driving part can drive the second end of light adjusting adapter to move along the first direction to drive light adjusting support to rotate along the light adjusting shaft.

[0011] Optionally, in the above car light light adjusting device, the first end of light adjusting adapter is provided with a first ball head screw, and the light adjusting support is provided with a first ball head seat, and the first ball head screw is matched with the first ball head seat.

[0012] Optionally, in the above car light light adjusting device, the driving part comprises a driving motor and a ball head rod connected with the driving motor, and the driving motor can drive the ball head rod to move along the first direction;

[0013] The second end of light adjusting adapter is provided with a second ball head seat, and the ball head rod is matched with the second ball head seat.

[0014] Optionally, in the vehicle light adjusting device, the driving motor is provided with an adjusting seat, and the ball head rod is in threaded connection with the adjusting seat.

[0015] Optionally, in the vehicle light adjusting device, a limiting part is arranged in the adjusting seat.

[0016] Optionally, in the vehicle light adjusting device, the fulcrum is provided with a second ball head screw and a third ball head seat, the third ball head seat is arranged on the light adjusting adapter, and the second ball head screw and the third ball head seat are in cooperation.

[0017] Optionally, in the vehicle light adjusting device, the driving part further comprises a hand adjusting assembly, the hand adjusting assembly is in transmission connection with the adjusting seat, and the hand adjusting assembly can drive the ball head rod to move in the first direction.

[0018] Optionally, in the vehicle light adjusting device, the hand adjusting assembly comprises a bevel gear and a gear ring, the gear ring is arranged on the adjusting seat, and the bevel gear is in meshing connection with the gear ring.

[0019] Optionally, in the vehicle light adjusting device, the hand adjusting assembly further comprises an adjusting knob connected with the bevel gear.

[0020] A vehicle light comprising the vehicle light adjusting device.

[0021] As can be seen from the above solution, the vehicle light adjusting device disclosed by the utility model, the driving part drives the second end of the light adjusting adapter to move in the first direction, the light adjusting adapter rotates around the fulcrum, according to the lever principle, the first end of the light adjusting adapter drives the light adjusting support to rotate along the horizontal light adjusting shaft, so as to realize the adjustment of the illumination angle of the vehicle light. The driving part is connected with the light adjusting support through the light adjusting adapter, and the light adjusting support is driven to rotate through the light adjusting adapter, so as to realize the adjustment of the illumination angle of the vehicle light. Compared with the prior art, the position of the driving part is not limited by the size and position of the lens, so as to improve the difficulty of arranging the driving part near the lens in the prior art, and the reliability of the angle adjustment of the vehicle light can be improved. The vehicle light disclosed by the utility model has the same technical effect as the vehicle light adjusting device, and will not be described herein. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0023] Figure 1 The structure diagram of the vehicle light adjusting device disclosed by the utility model embodiment Figure One ;

[0024] Figure 2The utility model discloses a structure schematic diagram of car light light modulation device Figure Two ;

[0025] Figure 3 The utility model discloses a structure schematic diagram of car light light modulation device Figure Three ;

[0026] Figure 4 The utility model discloses first ball head screw and first ball head seat's assembly drawing for the utility model embodiment discloses

[0027] Figure 5 The utility model discloses drive piece's structure schematic drawing for the utility model embodiment discloses

[0028] Figure 6 The utility model discloses light modulation switching's structure schematic for the utility model embodiment discloses Figure One ;

[0029] Figure 7 The utility model discloses light modulation switching's structure schematic for the utility model embodiment discloses Figure Two ;

[0030] Figure 8 The utility model discloses second ball head screw and third ball head seat's assembly drawing for the utility model embodiment discloses

[0031] Figure 9 The utility model discloses light modulation support's structure schematic drawing for the utility model embodiment discloses.

[0032] Among them, 10 is light modulation support, 101 is first ball head seat, 11 is horizontal light modulation axle, 12 is vertical light modulation axle;

[0033] 20 is drive piece, 21 is ball head pole, 22 is adjusting seat, 23 is drive motor, 24 is hand -operated assembly, 241 is bevel gear, 242 is gear ring, 243 is adjusting knob.

[0034] 30 is light modulation switching, 31 is first adjusting arm, 311 is first ball head screw, 32 is second adjusting arm, 321 is second ball head seat;

[0035] 40 is fulcrum, 41 is second ball head screw, 42 is third ball head seat;

[0036] 50 is fixed support;

[0037] A is fixed point, B is vertical light modulation point, C is horizontal light modulation point. DETAILED DESCRIPTION

[0038] In addition to the problems mentioned in the background art, the prior art also has the following problems: the minimum adjustable interval of the motor is 5% of the voltage ratio, and if the electrically adjustable angle of the whole vehicle is not large, a smaller voltage ratio is used in the case that the vertical dimming shaft length is too short, and there is a risk of misadjustment.

[0039] The core of the utility model lies in disclosing a vehicle lamp dimming device to improve the difficulty of arranging a motor near a lens in the prior art, and to realize angle adjustment of a vehicle lamp.

[0040] Another core of the utility model lies in disclosing a vehicle lamp comprising the vehicle lamp dimming device.

[0041] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0042] As shown in the figure, Figures 1-3 The utility model embodiment discloses a vehicle lamp dimming device, comprising a dimming support 10, a dimming adapter 30 and a driving part 20.

[0043] The dimming support 10 can be installed with a lens module, the first end of the dimming adapter 30 is connected with the dimming support 10, a fulcrum 40 is arranged on the dimming adapter 30, the dimming adapter 30 can rotate around the fulcrum 40, the driving part 20 is in transmission connection with the second end of the dimming adapter 30, the driving part 20 can drive the second end of the dimming adapter 30 to move along a first direction, so that the dimming support 10 can rotate along a dimming shaft to realize dimming.

[0044] It should be noted that the dimming shaft can be a horizontal dimming shaft 11 or a vertical dimming shaft 12, the dimming support 10 rotates along the horizontal dimming shaft 11 to realize up-down dimming, and rotates along the vertical dimming shaft 12 to realize left-right dimming. Figure 9 As shown in the figure, the dimming support 10 has a fixed point A, a vertical dimming point B and a horizontal dimming point C, the fixed point A is arranged between the vertical dimming point B and the horizontal dimming point C, the vertical dimming point B, the fixed point A and the horizontal dimming point C are in L shape, the line connecting the vertical dimming point B and the fixed point A is the vertical dimming shaft 12, the line connecting the horizontal dimming point C and the fixed point A is the horizontal dimming shaft 11, and the horizontal dimming shaft 11 and the vertical dimming shaft 12 are perpendicular. The dimming structure disclosed by the utility model can be connected with the vertical dimming point B of the dimming support 10 or the horizontal dimming point C of the dimming support 10, and the following will be described by taking the connection with the vertical dimming point B as an example.

[0045] The utility model discloses a car light light -adjusting device, light -adjusting adapter 30 as lever, drive piece 20 drive light -adjusting adapter 30's second end moves along the first direction, light -adjusting adapter 30 rotates around fulcrum 40, according to lever principle, light -adjusting adapter 30's first end drives light -adjusting support 10 to rotate along horizontal light -adjusting axis 11, realizes the adjustment of car light irradiation angle.

[0046] The utility model discloses a car light light -adjusting device, drive piece 20 is connected with light -adjusting support 10 through light -adjusting adapter 30, and light -adjusting support 10 is driven to rotate through light -adjusting adapter 30, realizes the adjustment of car light irradiation angle, compared with prior art, the position of drive piece 20 is not limited by the size and position of lens, can improve the situation that drive piece 20 is arranged near the lens in prior art, and can improve the reliability of car light angle adjustment simultaneously.

[0047] As Figure 1 Shown, according to lever principle, light -adjusting adapter 30 includes first adjusting arm 31 and second adjusting arm 32, and second adjusting arm 32 is power arm, and first adjusting arm 31 is resistance arm, and by controlling the length of first adjusting arm 31 and second adjusting arm 32, the rotation angle of light -adjusting support 10 can be controlled, and the adjustment precision of car light angle can be improved.

[0048] Further, as Figure 2 And Figures 6-7 Shown, the first end of light -adjusting adapter 30 is provided with first ball head screw 311, and the first ball head seat 101 is arranged on light -adjusting support 10, and the first ball head seat 101 is connected with light -adjusting support 10 and is connected in the mode of clamping, and the mode of clamping is convenient to disassemble, and first ball head screw 311 is matched with first ball head seat 101, and specifically as Figure 4 Shown.

[0049] Further, as Figure 2 And Figure 5 Shown, drive piece 20 includes driving motor 23 and ball head rod 21 connected with driving motor 23, and driving motor 23 can drive ball head rod 21 to move along the first direction, and the second end of light -adjusting adapter 30 is provided with second ball head seat 321, and second ball head seat 321 is connected with light -adjusting adapter 30 in the mode of clamping, and ball head rod 21 is matched with second ball head seat 321. Driving motor 23 rotates, and drives ball head rod 21 to move along the first direction, so that the second end of light -adjusting adapter 30 moves along the first direction, and according to lever principle, the first end of light -adjusting adapter 30 can drive light -adjusting support 10 to rotate along horizontal light -adjusting axis 11, and it needs to be explained that the first direction here refers to the axial direction of ball head rod 21. In some specific embodiments, it further includes fixed support 50, and adjusting seat 22 is connected with fixed support 50, and fixed support 50 is connected with lamp housing.

[0050] Further, as Figure 5As shown, the driving motor 23 is provided with an adjusting seat 22, the adjusting seat 22 is connected with the output shaft of the driving motor 23, and the ball head rod 21 is threadedly matched with the adjusting seat 22. The driving motor 23 rotates to drive the adjusting seat 22 to rotate, and the ball head rod 21 threadedly matched with the adjusting seat 22 rotates and moves along the first direction.

[0051] Further, in order to limit the movement of the ball head rod 21, a limiting part is arranged in the adjusting seat 22.

[0052] Further, as shown in the drawings, Figures 6-8 In some specific embodiments, the fulcrum 40 is provided with a second ball head screw 41 and a third ball head seat 42, the third ball head seat 42 is arranged on the light adjusting adapter 30 and can be connected through a clamping connection, and the second ball head screw 41 and the third ball head seat 42 are matched. In another specific embodiment, the fulcrum 40 can be provided with a rotating shaft, and the light adjusting adapter 30 can rotate around the rotating shaft.

[0053] Further, as shown in the drawings, Figure 5 In order to realize manual adjustment, the driving part 20 further includes a hand adjusting assembly 24, the hand adjusting assembly 24 is transmissionally connected with the adjusting seat 22 and can drive the ball head rod 21 to move along the first direction. Specifically, the hand adjusting assembly 24 includes a bevel gear 241 and a gear ring 242, the gear ring 242 is arranged on the adjusting seat 22, and the bevel gear 241 is meshed with the gear ring 242. Rotating the bevel gear 241 drives the gear ring 242 to rotate, drives the adjusting seat 22 to rotate, and drives the ball head rod 21 threadedly matched with the adjusting seat 22 to rotate and move along the first direction. The vehicle light adjusting device disclosed in the embodiment of the present application can be adjusted in a manual mode or an electric mode, and the adjustment mode is flexible and diversified.

[0054] Further, in order to facilitate the rotation of the bevel gear 241, the hand adjusting assembly 24 further includes an adjusting knob 243 connected with the bevel gear 241.

[0055] In order to illustrate that the vehicle light adjusting device disclosed in the embodiment of the present application can improve the reliability of light adjustment, one specific embodiment is taken as an example for illustration. Due to the limitation of the space of the vehicle light, the length of the vertical light adjusting shaft 12 is 50mm (usually 75mm-100mm), the rotating angle of the light adjusting support 10 required by the whole vehicle is 1.7°, the voltage ratio working area of the driving motor 23 used is 20%-84.6%, the factory position is 22.12%, and the axial movement distance is 5.17mm.

[0056] Before using the light adjusting adapter 30, the vertical light adjusting point B needs to move a=50*tan1.7°≈1.48mm; the voltage ratio changes in the range of b=(84.6%-20%) / 5.17*1.48≈18.49%; if set to five gears, the voltage ratio c=18.49% / 5=3.698%<5%, the voltage ratio does not meet the requirement of five percent of the minimum adjustable interval.

[0057] After using the light adjusting adapter 30, if set to five gears, for control accuracy, set the voltage ratio of 10% as the first gear, the total adjusting stroke d of the driving motor 23 is d=5.17 / (84.6%-20%)*50%=4mm; the vertical light adjusting point B needs to move a=50*tan1.7°≈1.48mm, the second adjusting arm 32 is set to 80mm in length, and the length e of the first adjusting arm 31 is e=80 / 4*1.48=29.6mm. By setting the lengths of the first adjusting arm 31 and the second adjusting arm 32, the voltage ratio requirement can be met, thereby improving the reliability of light adjustment and reducing the possibility of failure of the vehicle light adjusting angle.

[0058] It should be noted that the first adjusting arm 31, the second adjusting arm 32, the voltage ratio of each gear, the length of the vertical light adjusting shaft 12, the rotation angle of the light adjusting bracket 10, and the number of gears are all examples, and can be set according to actual needs.

[0059] In addition, the utility model discloses a kind of vehicle light, comprising the vehicle light light adjusting device described above.

[0060] It should be noted that each embodiment in the present specification adopts a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts of each embodiment can be referred to.

[0061] Hereinafter, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more features.

[0062] Unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or detachably connected, or integrally connected; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0063] The principle and implementation mode of the present application are described by using specific examples in the present application, and the above examples are only used for helping to understand the core idea of the present application. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the present application without departing from the principle of the present application, and these improvements and modifications also fall within the protection scope of the present application.

Claims

1. A vehicle headlight dimming device, characterized in that, include: Dimming bracket (10); A dimming adapter (30) is provided with a first end connected to the dimming bracket (10). A fulcrum (40) is provided on the dimming adapter (30), and the dimming adapter (30) can rotate around the fulcrum (40). The driving component (20) is connected to the second end of the dimming adapter (30) and can drive the second end of the dimming adapter (30) to move along the first direction so as to drive the dimming bracket (10) to rotate along the dimming axis.

2. The vehicle headlight dimming device as described in claim 1, characterized in that, The first end of the dimming adapter (30) is provided with a first ball head screw (311), and the dimming bracket (10) is provided with a first ball head seat (101). The first ball head screw (311) cooperates with the first ball head seat (101).

3. The vehicle headlight dimming device as described in claim 2, characterized in that, The driving component (20) includes a drive motor (23) and a ball joint (21) connected to the drive motor (23), wherein the drive motor (23) is capable of driving the ball joint (21) to move along a first direction; The second end of the dimming adapter (30) is provided with a second ball head seat (321), and the ball head rod (21) cooperates with the second ball head seat (321).

4. The vehicle headlight dimming device as described in claim 3, characterized in that, An adjustment seat (22) is provided on the drive motor (23), and the ball head rod (21) is threadedly engaged with the adjustment seat (22).

5. The vehicle headlight dimming device as described in claim 4, characterized in that, The adjusting seat (22) is provided with a limiting part.

6. The vehicle headlight dimming device as described in claim 1, characterized in that, The fulcrum (40) is provided with a second ball head screw (41) and a third ball head seat (42), the third ball head seat (42) is provided on the dimming adapter (30), and the second ball head screw (41) and the third ball head seat (42) cooperate.

7. The vehicle headlight dimming device as described in claim 4, characterized in that, The drive unit (20) also includes a manual adjustment component (24), which is connected to the adjustment seat (22) and can drive the ball joint (21) to move in a first direction.

8. The vehicle headlight dimming device as described in claim 7, characterized in that, The manual adjustment assembly (24) includes a bevel gear (241) and a gear ring (242), the gear ring (242) being disposed on the adjustment seat (22), and the bevel gear (241) meshing with the gear ring (242).

9. The vehicle headlight dimming device as described in claim 8, characterized in that, The manual adjustment component (24) also includes an adjustment knob (243) connected to the bevel gear (241).

10. A vehicle light, characterized in that, Includes the vehicle headlight dimming device as described in any one of claims 1-9.