CN115230574A - Automobile dipped headlight follow-up steering structure - Google Patents
Automobile dipped headlight follow-up steering structure Download PDFInfo
- Publication number
- CN115230574A CN115230574A CN202210762600.6A CN202210762600A CN115230574A CN 115230574 A CN115230574 A CN 115230574A CN 202210762600 A CN202210762600 A CN 202210762600A CN 115230574 A CN115230574 A CN 115230574A
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- adjusting
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- mounting point
- support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
- B60Q1/12—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to steering position
- B60Q1/124—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to steering position by mechanical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/076—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle by electrical means including means to transmit the movements, e.g. shafts or joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/10—Indexing codes relating to particular vehicle conditions
- B60Q2300/12—Steering parameters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention relates to the technical field of automobile lighting, and discloses an automobile dipped headlight follow-up steering structure which comprises a dimming support and a dipped headlight mounting support, wherein a left driving component and a right driving component are arranged on the dimming support, the left driving component and the right driving component are in transmission connection with the dipped headlight mounting support, a first mounting point, a second mounting point and a fixing point are arranged on the dimming support, the first mounting point and the fixing point are positioned on the same straight line to form a vertical rotating axis, a left adjusting component and a right adjusting component are rotatably mounted on the first mounting point, the second mounting point and the fixing point are positioned on the same vertical line to form a left rotating axis and a right rotating axis, a vertical adjusting component is rotatably mounted on the second mounting point, and the vertical adjusting component is in transmission connection with the vertical driving component. The invention is used for solving the problem that a driver is difficult to observe the specific conditions in a dark space and traffic accidents are easily caused under the condition of insufficient light at night.
Description
Technical Field
The invention relates to the technical field of automobile illumination, in particular to a follow-up steering structure of an automobile dipped headlight.
Background
The traditional automobile dipped headlight can only illuminate the area right in front of the automobile head, and when the automobile turns, the direction in which the automobile turns can have dark space. The light is sufficient in daytime, and the existence of the dark areas has no influence on normal driving. However, under the condition of insufficient light at night, drivers cannot observe specific conditions in dark areas easily, and traffic accidents are easily caused.
Therefore, an urgent need exists for a steering structure that can make the dipped headlight carry out angle adjustment along with the direction that the car turned to, illuminate the car and turn to the direction, eliminate the dark space, improve driver's the field of vision that turns to, increase factor of safety, promote to drive and take experience.
Disclosure of Invention
In view of the above, the present invention is to provide a follow-up steering structure for dipped headlights of an automobile, which solves the problem that a driver is difficult to observe the specific situation in a dark area and is very likely to cause a traffic accident when the light is insufficient at night.
The invention solves the technical problems through the following technical means:
the utility model provides a car passing lamp follow-up turns to structure, is including adjusting luminance support and passing lamp installing support, drive assembly about setting up on the support of adjusting luminance, drive assembly is connected with the passing lamp installing support transmission about controlling, be provided with first mounting point, second mounting point and fixed point on the support of adjusting luminance, rotatory axle center about first mounting point and fixed point are located formation on the same straight line, rotate on the first mounting point and install and control the adjusting part, second mounting point and fixed point are located and form the rotatory axle center about on the same vertical line, rotate on the second mounting point and install about the adjusting part, drive assembly about the transmission of adjusting part is connected with.
Further, the support of adjusting luminance includes integrated into one piece's bottom plate, horizontal pole, montant and connecting portion, first mounting point sets up the top at connecting portion, the one end of connecting portion is kept away from on the horizontal pole to the fixed point setting, the one end of fixed point is kept away from on the montant to the second mounting point setting.
Further, control drive assembly including turning to motor and drive gear, turn to motor fixed mounting on the bottom plate, drive gear rotates and installs on the bottom plate, turn to the motor and be connected with drive gear transmission, drive gear and passing light installing support fixed connection.
Furthermore, control the adjusting part including control adjusting gear, control adjusting screw, first connecting piece and control the ball head, control adjusting gear and control adjusting screw terminal transmission and be connected, the one end threaded connection of first connecting piece is on controlling adjusting screw, and the other end with control adjusting ball head fixed connection, control adjusting ball head and rotate and install in first mounting point.
Furthermore, the up-down adjusting assembly comprises an up-down adjusting gear, an up-down adjusting screw, a second connecting piece and an up-down adjusting ball head, the up-down adjusting gear is in transmission connection with the tail ends of the up-down adjusting screw, one end of the second connecting piece is in threaded connection with the up-down adjusting screw, the other end of the second connecting piece is in transmission connection with the up-down adjusting ball head through an up-down driving assembly, and the up-down adjusting ball head is rotatably installed in a second installation point.
Further, the upper and lower driving assembly comprises a direct current motor, the direct current motor is fixedly mounted on the second connecting piece, a connecting rod is arranged between the direct current motor and the upper and lower adjusting ball heads, and the direct current motor is in transmission connection with the connecting rod.
Further, a fixed ball head is installed in the fixed point, and the tail end of the fixed ball head, the tail ends of the left and right adjusting screws and the tail ends of the upper and lower adjusting screws are provided with installation seats fixedly connected with the lamp shell.
The invention has the beneficial effects that:
1. according to the invention, by arranging the left and right driving components and the up and down driving components, when a user drives a vehicle to turn, the vehicle controller controls the turning motor and the direct current motor to rotate through the headlamp controller, and the turning motor drives the dipped headlight mounting bracket and the dipped headlight to rotate towards the turning direction of the vehicle through the driving gear; direct current motor drives the support of adjusting luminance and uses upper and lower rotation axis to rotate as the rotation axis to make passing lamp installing support and passing lamp rotate towards the direction that the vehicle turned, through the cooperation that turns to motor and direct current motor, can make the passing lamp rotate to the direction that the vehicle turned to, eliminate the dark space that the vehicle turned to the direction, improve driver's the field of vision that turns to, increase factor of safety, promote to drive and take experience.
2. According to the invention, the left-right adjusting assembly and the up-down adjusting assembly are arranged, so that the irradiation angle of the dipped headlight can be manually adjusted, the up-down adjusting ball head is driven to move by rotating the up-down adjusting gear, and the up-down adjusting ball head pushes the dimming support to rotate by taking the up-down rotating shaft center as a rotating shaft, so that the irradiation angle of the dipped headlight in the up-down direction can be adjusted; by rotating the left and right adjusting gears, the left and right adjusting bulbs push the dimming support to rotate by taking the left and right rotating shaft centers as rotating shafts, and the irradiation angle of the dipped headlight in the left and right directions can be adjusted.
Drawings
FIG. 1 is an inside schematic view of a vehicle rear seat belt retractor mounting structure of the present invention;
FIG. 2 is an outside schematic view of the mounting structure of the automobile rear seat belt retractor in accordance with the present invention;
the dimming device comprises a dimming support 1, a bottom plate 11, a cross rod 12, a vertical rod 13, a connecting portion 14, a first mounting point 151, a second mounting point 152, a fixing point 153, a steering motor 2, a driving gear 21, a dipped headlight mounting support 3, a spline 31, a direct current motor 4, a connecting rod 41, a left-right adjusting ball head 51, a left-right adjusting screw rod 52, a left-right adjusting gear 53, a first connecting piece 54, a top-bottom adjusting ball head 61, a top-bottom adjusting screw rod 62, a top-bottom adjusting gear 63, a second connecting piece 64, a fixing ball head 7, a top-bottom rotating shaft center 8 and a left-right rotating shaft center 9.
Detailed Description
The following description is given for illustrative embodiments of the invention with reference to specific examples, and it is to be understood that the invention is not limited to the details of the embodiments disclosed herein. It should be noted that the drawings provided in the following embodiments are for illustrative purposes only, are schematic drawings rather than actual drawings, and should not be construed as limiting the present invention, and in order to better illustrate the embodiments of the present invention, some components in the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and their descriptions may be omitted.
In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is merely for convenience of description and simplicity of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings for the above applications according to specific situations.
As shown in fig. 1-2, the automotive low beam light follow-up steering structure of the invention comprises a dimming support 1 and a low beam light mounting support 3, wherein in the embodiment, the low beam light is fixedly mounted in the low beam light mounting support 3. Drive assembly about setting up on the support of adjusting luminance 1, drive assembly is connected with 3 transmissions of passing lamp installing support about, and drive assembly is used for driving 3 left and right rotations of passing lamp installing support about to realize passing lamp bilateral rotation, when eliminating the car and turn, the dark space of car steering direction.
Left and right sides drive assembly includes to turn to motor 2 and drive gear 21, turns to motor 2 fixed mounting on bottom plate 11, and drive gear 21 rotates to be installed on bottom plate 11, turns to motor 2 and is connected with drive gear 21 transmission, drive gear 21 and passing light installing support 3 fixed connection. In this embodiment, the bottom of the low beam lamp mounting bracket 3 is provided with a spline 31, and the spline 31 is matched with the driving gear 21 to realize the fixed connection between the driving gear 21 and the low beam lamp mounting bracket 3. In this embodiment, the steering motor 2 is in signal connection with the vehicle controller through the headlight controller, that is, when the vehicle is turning, the steering motor 2 is automatically controlled to rotate, and the low beam lamp mounting bracket 3 and the low beam lamp are driven to rotate towards the turning direction of the vehicle through the driving gear 21. In the present embodiment, the range in which the steering motor 2 steers the low beam in the left-right direction is preferably-5 ° to 13 °.
In this embodiment, the left-right adjusting ball 51 is rotatably mounted in the first mounting point 151, the up-down adjusting ball 61 is rotatably mounted in the second mounting point 152, the fixed ball 7 is rotatably mounted in the fixed point 153, by setting the left-right adjusting ball 51, the up-down adjusting ball 61 and the fixed ball 7, the first mounting point 151 and the fixed point 153 are located on the same straight line to form the up-down rotation axis 8, and the second mounting point 152 and the fixed point 153 are located on the same vertical line to form the left-right rotation axis 9. In addition, in the present embodiment, the left and right adjusting bulbs 51 and the up and down adjusting bulbs 61 are made of plastic materials, and can bear a certain degree of extrusion.
The left and right adjusting assembly is rotatably mounted on the first mounting point 151 and comprises a left and right adjusting gear 53, a left and right adjusting screw 52, a first connecting piece 54 and a left and right adjusting ball head 51, the left and right adjusting gear 53 is in transmission connection with the tail end of the left and right adjusting screw 52, one end of the first connecting piece 54 is in threaded connection with the left and right adjusting screw 52, and the other end of the first connecting piece is fixedly connected with the left and right adjusting ball head 51. The left and right adjusting component is used for driving the dimming support 1 to rotate by taking the left and right rotating shaft center 9 as a rotating shaft, the irradiation angle of the dipped headlight is adjusted manually, the manual left and right adjusting range is preferably-3 degrees to 3 degrees, the dipped headlight is adjusted in a small range mainly when the dipped headlight leaves a factory, and the irradiation direction is ensured to irradiate right ahead of the automobile. During adjustment, the left and right adjusting gear 53 is rotated to drive the left and right adjusting screw 52 to rotate, the left and right adjusting screw 52 drives the first connecting piece 54 to move, the first connecting piece 54 drives the left and right adjusting ball 51, and the left and right adjusting ball 51 pushes the dimming support 1 to rotate by taking the left and right rotating shaft centers 9 as rotating shafts until the irradiation angle of the dipped headlight meets the requirement.
An upper and lower adjusting assembly is rotatably mounted on the second mounting point 152, and the upper and lower adjusting assembly is in transmission connection with an upper and lower driving assembly. The up-down adjusting assembly comprises an up-down adjusting gear 63, an up-down adjusting screw 62, a second connecting piece 64 and an up-down adjusting ball 61, the up-down adjusting gear 63 is in transmission connection with the tail end of the up-down adjusting screw 62, one end of the second connecting piece 64 is in threaded connection with the up-down adjusting screw 62, the other end of the second connecting piece is in transmission connection with the up-down adjusting ball 61 through an up-down driving assembly, and the up-down adjusting ball 61 is rotatably installed in the second installation point 152. Drive assembly includes DC motor 4 from top to bottom, DC motor 4 fixed mounting is on second connecting piece 64, be provided with connecting rod 41 between DC motor 4 and the upper and lower regulation bulb 61, DC motor 4 is connected with the transmission of connecting rod 41, in this embodiment, do not specifically prescribe a limit to DC motor 4 and connecting rod 41's transmission mode, only need satisfy DC motor 4 during operation, drive connecting rod 41 reciprocating motion, thereby adjust bulb 61 reciprocating motion from top to bottom in the drive, DC motor during the stop work, connecting rod 41 can static for DC motor 4 relatively.
The up-down driving component and the up-down adjusting component have the same function and are used for driving the dimming support 1 to rotate by taking the up-down rotating shaft center 8 as a rotating shaft. The upper and lower driving components are automatically adjusted, and when a user drives, the angle of the dipped headlight is adjusted for use. The up-down adjusting component is manually adjusted, is usually used for adjusting the illumination direction when the automobile leaves a factory, and ensures that the illumination direction irradiates right ahead of the automobile.
In this embodiment, the dc motor 4 is in signal connection with the vehicle controller through the headlight controller, when the vehicle turns, the dc motor 4 is automatically controlled to rotate, when the dc motor 4 works, the up-down adjusting ball 61 is driven by the connecting rod 41 to move, and the up-down adjusting ball 61 pushes the dimming support 1 to rotate by taking the up-down rotating shaft center 8 as a rotating shaft, so that the dipped headlight mounting support 3 and the dipped headlight rotate toward the direction of turning the vehicle. In this embodiment, the range of turning the dipped headlight in the up-down direction by the turning motor 2 is preferably-3 ° to 0.
When leaving the factory, the upper and lower adjusting gear 63 is rotated to drive the upper and lower adjusting screw 62 to rotate, the upper and lower adjusting screw 62 drives the second connecting member 64 to move, the second connecting member 64 drives the direct current motor 4 to move, the direct current motor 4 drives the upper and lower adjusting ball 61 to move through the connecting rod 41, and the upper and lower adjusting ball 61 pushes the dimming support 1 to rotate by taking the upper and lower rotating shaft center 8 as a rotating shaft until the dipped headlight irradiation angle meets the requirement. And the range of up-down manual adjustment is preferably-3 ° to 3 °.
In this embodiment, the end of the fixing ball 7, the end of the left-right adjusting screw 52, and the end of the up-down adjusting screw 62 are all provided with mounting seats, and the mounting seats are used for being fixedly connected with the lamp housing.
According to the automobile dipped headlight follow-up steering structure, when the automobile is dispatched from a factory, the left and right adjusting gear 53 is rotated to drive the left and right adjusting screw 52 to rotate, the left and right adjusting screw 52 drives the first connecting piece 54 to move, the first connecting piece 54 drives the left and right adjusting ball head 51, and the left and right adjusting ball head 51 pushes the dimming support 1 to rotate by taking the left and right rotating shaft center 9 as a rotating shaft until the left and right irradiation angles of the dipped headlight meet the requirements; then, the up-down adjusting gear 63 is rotated to drive the up-down adjusting screw 62 to rotate, the up-down adjusting screw 62 drives the second connecting piece 64 to move, the second connecting piece 64 drives the direct current motor 4 to move, the direct current motor 4 drives the up-down adjusting ball 61 to move through the connecting rod 41, and the up-down adjusting ball 61 pushes the dimming support 1 to rotate by taking the up-down rotating shaft center 8 as a rotating shaft until the up-down irradiation angle of the dipped headlight meets the requirement.
When a user drives a vehicle to turn, the vehicle controller controls the steering motor 2 and the direct current motor 4 to rotate through the headlamp controller, and when the steering motor 2 works, the steering motor 2 drives the dipped headlight mounting bracket 3 and the dipped headlight to rotate towards the turning direction of the vehicle through the driving gear 21. When the dc motor 4 works, the connecting rod 41 drives the up-down adjusting ball 61 to move, and the up-down adjusting ball 61 pushes the dimming support 1 to rotate around the up-down rotation axis 8 as the rotation axis, so that the dipped headlight mounting support 3 and the dipped headlight rotate in the direction of turning the vehicle. Through the cooperation that turns to motor 2 and direct current motor 4, can make the dipped headlight rotate to the direction that the vehicle turned to, eliminate the vehicle and turn to the dark space of direction, improve driver's the field of vision that turns to, increase factor of safety promotes to drive and takes experience.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the true spirit and scope of the present invention, which is defined by the claims appended hereto. The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (7)
1. The utility model provides a car passing lamp follow-up turns to structure which characterized in that: including adjusting luminance support and passing lamp installing support, drive assembly about setting up on the support of adjusting luminance, drive assembly is connected with passing lamp installing support transmission about, be provided with first mounting point, second mounting point and fixed point on the support of adjusting luminance, rotatory axle center about first mounting point and fixed point are located same straight line formation, rotate on the first mounting point and install and control adjusting part, second mounting point and fixed point are located same vertical line and form the axle center of turning left and right sides, rotate on the second mounting point and install about adjusting part, drive assembly about the transmission of adjusting part is connected with.
2. A vehicle passing headlight follow-up steering structure as claimed in claim 1, wherein: the support of adjusting luminance includes integrated into one piece's bottom plate, horizontal pole, montant and connecting portion, first mounting point sets up the top at connecting portion, the one end of connecting portion is kept away from on the horizontal pole to the fixed point setting, the one end of fixed point is kept away from on the montant to the second mounting point setting.
3. The vehicle low beam follow-up steering structure according to claim 2, characterized in that: control drive assembly including turning to motor and drive gear, turn to motor fixed mounting on the bottom plate, drive gear rotates and installs on the bottom plate, it is connected with drive gear transmission to turn to the motor, drive gear and passing lamp installing support fixed connection.
4. A vehicle passing headlight follow-up steering structure as claimed in claim 1, wherein: the left and right adjusting assembly comprises a left and right adjusting gear, a left and right adjusting screw, a first connecting piece and a left and right adjusting ball head, the left and right adjusting gear is in transmission connection with the tail end of the left and right adjusting screw, one end of the first connecting piece is in threaded connection with the left and right adjusting screw, the other end of the first connecting piece is fixedly connected with the left and right adjusting ball head, and the left and right adjusting ball head is rotatably installed in a first installation point.
5. A vehicle passing headlight follow-up steering structure as claimed in claim 1, wherein: the upper and lower adjusting component comprises an upper and lower adjusting gear, an upper and lower adjusting screw rod, a second connecting piece and an upper and lower adjusting ball head, the upper and lower adjusting gear is in transmission connection with the tail ends of the upper and lower adjusting screw rod, one end of the second connecting piece is in threaded connection with the upper and lower adjusting screw rod, the other end of the second connecting piece is in transmission connection with the upper and lower adjusting ball head through an upper and lower driving component, and the upper and lower adjusting ball head is rotatably installed in a second installation point.
6. The vehicle low beam light follow-up steering structure according to claim 5, characterized in that: the upper and lower driving assembly comprises a direct current motor which is fixedly mounted on the second connecting piece, a connecting rod is arranged between the direct current motor and the upper and lower adjusting ball heads, and the direct current motor is in transmission connection with the connecting rod.
7. A vehicle passing headlight follow-up steering structure according to claims 1-6, characterized in that: and a fixed ball head is arranged in the fixed point, and the tail end of the fixed ball head, the tail ends of the left and right adjusting screws and the tail ends of the upper and lower adjusting screws are respectively provided with a mounting seat fixedly connected with the lamp shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210762600.6A CN115230574A (en) | 2022-06-30 | 2022-06-30 | Automobile dipped headlight follow-up steering structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210762600.6A CN115230574A (en) | 2022-06-30 | 2022-06-30 | Automobile dipped headlight follow-up steering structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115230574A true CN115230574A (en) | 2022-10-25 |
Family
ID=83671984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210762600.6A Pending CN115230574A (en) | 2022-06-30 | 2022-06-30 | Automobile dipped headlight follow-up steering structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115230574A (en) |
-
2022
- 2022-06-30 CN CN202210762600.6A patent/CN115230574A/en active Pending
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