Illumination range dynamic adjusting device for automobile headlamp
By designing dynamic adjustment components and right-angle transmission seats in car headlights, the problems of small dimming angle of the existing car headlight dimming mechanism and crowded motor installation space are solved, and the multi-angle adjustment of the light source and the expansion of the illumination range are achieved, which improves the durability and heat dissipation effect of the motor.
Patent Information
- Application Number
- CN202510074699.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-05-06
AI Technical Summary
The dimming screw of the existing automotive headlight dimming mechanism has two main structural problems: one is that the light source can only move forward and backward during dimming, the adjustment angle is small, and the illumination range is limited; the other is that the motor needs to be installed on the back of the shell, resulting in congestion in space and affecting the motor life.
A dynamic adjustment device for lighting range for automotive headlights is designed. Multi-angle adjustment of the light source is achieved by providing dynamic adjustment components in the lamp base, including a ball head base, a ball head rod, a screw part, a right-angle transmission seat and an electric push rod. The device directly arranges the motor end on the side of the headlight to avoid space occupation, and pushes the ball head to swing through the electric push rod to further adjust the angle and illumination range of the lamp group.
It realizes dynamic adjustment of the light source at a large angle, expands the adjustment ability of the illumination range, saves assembly space, and improves the durability and heat dissipation effect of the motor.
Smart Images
Figure CN119934457A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of automobile headlights, and in particular relates to a device capable of dynamically adjusting the lighting range of an automobile headlight. Background Art
[0002] With the rapid development of automotive lamps, more and more models are equipped with automatic horizontal adjustment function. The more common dimming mechanisms currently include dimming screws, lifting adjusters, support rails on the shell, and ball seats. The dimming screw is installed on the shell, one end is outside the shell, which is the input end of the adjustment force, and the other end is inside the shell, fixed by a spring card and a lifting adjuster. The lifting adjuster is assembled in the ball seat and connected and fixed to the lens bracket through a ball head. However, the structural problems of the dimming screws used in this type of dimming mechanism are: 1. During the dimming process, the dimming screw can only drive the light source to move forward and backward, the adjustment angle is small, and the control of the range of light source illumination is limited; 2. When the dimming screw is installed in the shell, the drive motor needs to be installed on the rear side of the shell, the space is crowded, and the working heat at the rear end of the lamp holder shell is high, which is easy to affect the life of the motor.
[0003] Therefore, there is an urgent need for a vehicle light dimming device that can be dynamically adjusted at a large angle and saves space. Summary of the invention
[0004] In view of this, the technical problem to be solved by the present invention is to provide a device for dynamically adjusting the lighting range of automobile headlights, so as to avoid the troubles of small adjustment angles of automobile headlights, limited adjustment of the illumination range, and crowded installation.
[0005] In order to solve the above technical problems, the present invention discloses a device for dynamically adjusting the lighting range of a car headlight, which comprises: A lamp holder housing, wherein a low beam lamp group and a high beam lamp group are arranged at intervals, and both the low beam lamp group and the high beam lamp group have a lens light source bracket, wherein dynamic adjustment components are respectively installed on both sides of the lens light source bracket; The dynamic adjustment component includes a ball head base, which is fixed to the lens light source bracket by screws; a ball head rod installed on the ball head base, the ball head rod has a ball head and an internal threaded sleeve part; a screw part that is threaded into the internal threaded sleeve part and is led out of the lamp holder shell; a first right-angle transmission seat fixed to the lamp holder shell by screws; a secondary transmission rod installed on the first right-angle transmission seat; a second right-angle transmission seat that transmits the secondary transmission rod; and a main transmission rod installed on the second right-angle transmission seat.
[0006] According to an embodiment of the present invention, the second right-angle transmission seat is located on a side surface of the lamp holder housing.
[0007] According to one embodiment of the present invention, the first right-angle transmission seat and the second right-angle transmission seat both include an outer shell, and a right-angle gear or worm gear pair installed on the outer shell, which is used to transmit the screw part and the auxiliary transmission rod, and the auxiliary transmission rod and the main transmission rod.
[0008] According to one embodiment of the present invention, a limit card is further provided on the side of the ball head rod, the limit card has a limit groove, and the lens light source bracket is installed with a limit block inserted into the limit groove.
[0009] According to one embodiment of the present invention, the above-mentioned limit card is arranged in a horizontal U-shape and has two upper and lower limit grooves, and two corresponding limit blocks are arranged and respectively inserted into the limit grooves. The limit blocks are respectively driven by electric push rods to push the ball head rod to swing.
[0010] According to one embodiment of the present invention, the upper end of the screw rod portion has a limiting ring for pressing against the upper end of the ball head rod.
[0011] According to an embodiment of the present invention, the low beam light group and the high beam light group are configured as lens LED headlights.
[0012] Compared with the prior art, the present invention can achieve the following technical effects: By installing a dynamic adjustment component and using two sets of right-angle transmission seats to adjust the screw part, the motor end is directly arranged on the side of the headlight to avoid space occupation and the trouble of the motor being located at the rear end affecting heat dissipation.
[0013] A limit card is set on the side of the ball head rod, and two sets of electric push rods are used for dynamic adjustment. The ball head rod can be swung to further adjust the angle of the entire lamp group and change the illumination range.
[0014] Of course, any product implementing the present invention does not necessarily need to achieve all of the above-mentioned technical effects at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings: Figure 1 2 is a schematic diagram of the installation of a device for dynamically adjusting the lighting range of a vehicle headlight according to an embodiment of the present invention; Figure 2 Schematic diagram of a dynamic adjustment component according to an embodiment of the present invention. Figure ID
[0016] Lamp holder housing 10, low beam lamp group 11, high beam lamp holder 12, dynamic adjustment component 20, ball head base 30, ball head rod 40, ball head part 41, internal threaded sleeve part 42, screw part 50, first right angle transmission seat 61, second right angle transmission seat 62, auxiliary transmission rod 71, main transmission rod 72, limit card 80, limit groove 81, limit ring 90. DETAILED DESCRIPTION
[0017] The following will describe the implementation methods of the present invention in detail with reference to the accompanying drawings and embodiments, so that the implementation process of how the present invention applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.
[0018] Please refer to Figure 1 and Figure 2 , Figure 1 2 is a schematic diagram of the installation of a device for dynamically adjusting the lighting range of a vehicle headlight according to an embodiment of the present invention; Figure 2 Schematic diagram of a dynamic adjustment component according to an embodiment of the present invention.
[0019] As shown in the figure, a device with a dynamically adjustable lighting range for automobile headlights includes: a lamp holder shell 10, in which a low beam lamp group 11 and a high beam lamp group 12 are arranged at intervals, and both the low beam lamp group 11 and the high beam lamp group 12 have a lens light source bracket, wherein dynamic adjustment components 20 are respectively installed on both sides of the lens light source bracket, and are arranged in two groups, which can be adjusted left and right, and the angle range is more flexible.
[0020] In one embodiment of the present invention, the lamp holder housing 10 is the rear seat of the automobile headlight, and has a low beam lamp group 11 and a high beam lamp group 12 for lighting inside, which is set as a lens LED headlight, and the entire light source is installed on the lens light source bracket to play an assembly role. The dynamic adjustment component 20 is installed on the lens light source bracket to realize the dynamic adjustment of the entire light source, which is convenient for changing the irradiation angle and changing the lighting range.
[0021] Specifically, the dynamic adjustment component 20 includes a ball head base 30, which is fixed to the lens light source bracket by screws; a ball head rod 40 installed on the ball head base 30, the ball head rod 40 has a ball head 41 and an internally threaded sleeve portion 42; a screw portion 50 threaded into the internally threaded sleeve portion 42, and the screw portion 50 is guided out of the lamp holder housing 10; a first right-angle transmission seat 61 fixed to the lamp holder housing 10 by screws; a secondary transmission rod 71 installed on the first right-angle transmission seat 61; a second right-angle transmission seat 62 that transmits the secondary transmission rod 71; and a main transmission rod 72 installed on the second right-angle transmission seat 62.
[0022] In this embodiment, the ball head base 30 is fixed on the lens light source bracket by screws, and a ball head hole is arranged on it, and the ball head rod 40 is installed in cooperation. The ball head rod 40 is divided into a ball head 41 at the lower end and an internal thread sleeve 42 at the upper end, wherein the internal thread sleeve 42 is threadedly matched with the screw rod 50, and the upper head of the screw rod 50 is directly led out of the lamp holder housing 10, installed to the first right angle transmission seat 61, and further matched with the first right angle transmission seat 61, the second right angle transmission seat 62, the auxiliary transmission rod 71, and the main transmission rod 72, forming a continuous 90° transmission conversion, and finally the head of the main transmission rod 72 is installed with a motor to complete the drive, realize the rotation of the screw rod 50, and then drive the lifting work of the ball head rod 40, which is convenient to adjust. Through the continuous change of direction of the right angle transmission seat, the space crowding caused by installing the motor to the rear end of the lamp holder housing 10 and the trouble of uneven heat dissipation are avoided, the assembly space is saved, and the durability of the motor is improved.
[0023] Furthermore, the second right-angle transmission seat 62 is located on the side of the lamp holder housing 10, and the motor is eventually assembled to the side of the lamp to achieve heat dissipation protection and flexible maintenance.
[0024] In a preferred embodiment, the first right-angle transmission seat 61 and the second right-angle transmission seat 62 both include an outer shell, and a right-angle gear or a worm gear pair installed on the outer shell, which is used to drive the screw part 50 and the auxiliary transmission rod 71, and the auxiliary transmission rod 71 and the main transmission rod 72. The right-angle gear and the worm gear pair complete the 90-degree exclusive adjustment, realize the direction change of the two-end shaft connection, and facilitate the transmission.
[0025] The ball head rod 40 of the present invention is also provided with a limit card 80 on its side, and the limit card 80 has a limit groove 81, and the lens light source bracket is installed with a limit block inserted into the limit groove 81. The limit card 80 is in the shape of a limit bracket, and is used to position the ball head rod 40, so as to facilitate its fixation and cooperate with the rotation displacement of the screw part 50.
[0026] Furthermore, the limit card 80 is set to be a horizontal U-shape, and has two upper and lower limit slots 81, and the limit blocks are provided with two corresponding ones, and are respectively inserted into the limit slots 81, and the limit blocks are respectively driven by electric push rods to push the ball head rod 40 to swing. In this embodiment, the electric push rod can push the position of the limit slot 81, and then swing the ball head rod 40, so that the lens light source bracket at its lower end swings with it, which can form an adjustment with a different running direction from the screw part 50, increase the deflection angle, and improve the range of lighting adjustment, which is highly practical.
[0027] In addition, the upper end of the screw rod portion 50 is provided with a limiting ring 90 for pressing against the upper end of the ball head rod 40 to play a role of safety limiting.
[0028] In summary, the present invention installs a dynamic adjustment component, uses two sets of right-angle transmission seats to adjust the screw part, and arranges the motor end directly on the side of the car lamp to avoid space occupation and the trouble of the motor being located at the rear end affecting heat dissipation; a limit card is set on the side of the ball head rod, and two sets of electric push rods are used for dynamic adjustment. The ball head rod can be swung to further adjust the angle of the entire lamp group and change the illumination range.
[0029] The above description shows and describes several preferred embodiments of the present invention, but as mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the invention concept described herein through the above teachings or the technology or knowledge of the relevant field. Changes and variations made by those skilled in the art do not depart from the spirit and scope of the present invention, and should be within the scope of protection of the claims attached to the present invention.
Claims
1. A device for dynamically adjusting the lighting range of a vehicle headlight, characterized in that: include: A lamp holder housing, wherein a low beam lamp group and a high beam lamp group are arranged in a spaced relationship, and both the low beam lamp group and the high beam lamp group have a lens light source bracket, wherein dynamic adjustment components are respectively installed on both sides of the lens light source bracket; The dynamic adjustment component includes a ball head base, which is fixed to the lens light source bracket by screws; a ball head rod installed on the ball head base, the ball head rod having a ball head and an internally threaded sleeve portion; a screw portion threaded into the internally threaded sleeve portion, and the screw portion is guided out of the lamp holder housing; a first right-angle transmission seat fixed to the lamp holder housing by screws; a secondary transmission rod installed on the first right-angle transmission seat; a second right-angle transmission seat that transmits the secondary transmission rod; and a main transmission rod installed on the second right-angle transmission seat.
2. The device for dynamically adjusting the lighting range of a vehicle headlight according to claim 1, characterized in that: The second right-angle transmission seat is located on the side of the lamp holder housing.
3. The device for dynamically adjusting the lighting range of a vehicle headlight according to claim 1, characterized in that: The first right-angle transmission seat and the second right-angle transmission seat both include an outer shell, and a right-angle gear or a worm gear pair installed on the outer shell, which is used to transmit the screw part and the auxiliary transmission rod, and the auxiliary transmission rod and the main transmission rod.
4. The device for dynamically adjusting the lighting range of a vehicle headlight according to claim 1, characterized in that: A limiting card is also arranged on the side of the ball head rod, and the limiting card has a limiting groove, and the lens light source bracket is installed with a limiting block inserted into the limiting groove.
5. The device for dynamically adjusting the lighting range of a vehicle headlight according to claim 2, characterized in that: The limit card is arranged in a horizontal U-shape and has two upper and lower limit slots, and two corresponding limit blocks are arranged and respectively inserted into the limit slots. The limit blocks are respectively driven by electric push rods to push the ball head rod to swing.
6. The device for dynamically adjusting the lighting range of a vehicle headlight according to claim 1, characterized in that: The upper end of the screw rod portion is provided with a limiting ring for pressing against the upper end of the ball head rod.
7. The device for dynamically adjusting the lighting range of a vehicle headlight according to claim 1, characterized in that: The low beam light group and the high beam light group are configured as lens LED headlights.