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CN-224224977-U - Follow-up mechanism for driving automobile headlight to turn

CN224224977UCN 224224977 UCN224224977 UCN 224224977UCN-224224977-U

Abstract

The utility model relates to a follow-up mechanism for driving a headlight of an automobile to turn, which relates to the technical field of automobile accessories, wherein a worm wheel transmission shaft is fixedly arranged at the center of a worm wheel, a sun wheel is arranged at the upper end of the worm wheel transmission shaft, the sun wheel is meshed with a plurality of planet wheels, the periphery of the plurality of planet wheels is meshed with a gear ring, and the planet wheels are rotatably arranged at the arm ends of a planet carrier; an output shaft is arranged in the center of the planet carrier, and a convex tooth structure is arranged at the upper end of the output shaft and fixedly connected with the automobile headlight. The automobile headlight servo mechanism has the advantages of stable and reliable structure, high output torque, good self-locking performance, high maintainability, strong mechanical vibration resistance and low manufacturing cost, overcomes the defects of the existing automobile headlight servo mechanism that the self-locking performance is lacking, the output torque is low, the maintainability is low, the mechanical vibration resistance is weak and the cost is high, can be widely arranged in common household passenger vehicles, and has important effect and practical significance in improving the safe driving performance of the automobile.

Inventors

  • WANG XIUWU

Assignees

  • 王煦午

Dates

Publication Date
20260512
Application Date
20250730

Claims (9)

  1. 1. A follow-up mechanism for driving a car headlight to turn is characterized by comprising a main body (1), wherein the main body (1) comprises a coupler (2), a worm (3) arranged at one end of the coupler (2) and a worm wheel (4) meshed with the worm (3), a worm wheel transmission shaft (5) is fixedly arranged at the center of the worm wheel (4), a sun wheel (6) is arranged at the upper end of the worm wheel transmission shaft (5), the sun wheel (6) is meshed with a plurality of planet wheels (7), the peripheries of the planet wheels (7) are meshed with a gear ring (10), the planet wheels (7) are rotatably arranged at the arm ends of a planet carrier (8), an output shaft (9) is arranged at the center of the planet carrier (8), and a convex tooth structure is arranged at the upper end of the output shaft (9) and is fixedly connected with the car headlight.
  2. 2. A follower mechanism for driving a headlight of a vehicle to turn according to claim 1, wherein the other end of the coupler (2) is connected to an output shaft of a driving motor.
  3. 3. The servo mechanism for driving the automobile headlight to turn is characterized in that a connecting rod (14) is radially arranged in the middle section of the worm gear transmission shaft (5), a roller transmission shaft (13) is arranged at the end part of the connecting rod (14), a roller (12) is arranged on the roller transmission shaft (13), the periphery of the roller (12) is movably contacted with a plurality of micro switches, the micro switches are arranged on the inner ring of a micro switch ring (15) positioned below the gear ring (10) by utilizing switch fixing rods (11) and the like, and the micro switch ring (15) and the roller (12) are arranged on the same horizontal plane.
  4. 4. A follower mechanism for driving a headlight of a vehicle to turn according to claim 3, wherein the number of the switch fixing bars (11) is three, and the switch fixing bars are respectively distributed on the inner ring of the micro switch ring (15) at an angle of 150 DEG, 135 DEG and 75 deg.
  5. 5. The follower mechanism for driving the steering of the automobile headlight according to claim 4, wherein the number of the planetary gears (7) is three, the radius is the same, and the three planetary gears (7) are distributed in a radiation mode of 120 degrees by taking the sun gear (6) as a center.
  6. 6. The follower mechanism for driving the steering of the automobile headlight according to claim 1, wherein a circular washer is clamped between the planet carrier (8) and the output shaft (9), and the convex tooth structure at the upper end of the output shaft (9) is designed as a tooth missing structure, and the tooth missing arc degree is about one fourth of the circumference.
  7. 7. The follower mechanism for driving the automobile headlight to turn according to claim 1 is characterized in that a shell is covered outside the main body (1), a gear ring (10) and a micro-switch ring (15) are fixed in the shell, protruding limiting rings are arranged on two sides of a worm (3) and are in matched rotation connection with the shell through bearings, cylindrical protrusions are arranged on the upper end and the lower end of a worm gear transmission shaft (5) and are matched with the bearings, and the upper end of an output shaft (9) movably penetrates through the top wall of the shell.
  8. 8. The follower mechanism for driving the automobile headlight to turn according to claim 1, wherein the worm wheel (4) and the planet wheel (7) are hollow structures.
  9. 9. The follower mechanism for driving the automobile headlight to turn according to claim 1, wherein the coupler (2) is connected with the worm (3), the worm wheel (4) is connected with the worm wheel transmission shaft (5) by keys, and the worm wheel transmission shaft (5) is connected with the sun gear (6) by keys.

Description

Follow-up mechanism for driving automobile headlight to turn Technical Field The utility model relates to the technical field of automobile accessories, in particular to a follow-up mechanism for driving an automobile headlight to turn. Background The following steering headlight is called AFS (Adaptive Front-LIGHTING SYSTEM), namely an automatic steering headlight, and is called an automobile self-Adaptive headlight system or an intelligent headlight system. The self-adaptive headlamp system can dynamically adjust the headlamp continuously according to the angle of the steering wheel of the automobile, the deflection rate of the automobile and the running speed, adapt to the current steering angle, keep the light direction consistent with the current running direction of the automobile, and enlarge the visual field of a driver in road conditions with poor road surface illumination or multiple curves so as to ensure that the best illumination is provided for the road ahead. The prior patent CN201711095287.0 discloses a follow-up steering device of an automobile headlight, which uses a complex mechanical structure to convert different working conditions of an automobile engine into different control modes of the automobile headlight to finish steering operation of the automobile headlight, the prior patent CN201310690734.2 discloses an arc motor to finish steering operation of the headlight, and the prior patent CN201610415087.8 discloses a steering mechanism of a steering wheel control automobile headlight, which finishes steering operation of the headlight by using a steel wire rope to pull a lamp post to slide in a chute, but the problems of lack of self-locking property, lack of real-time response, small output torque, weak structure vibration resistance and high cost of a driving motor of the steering mechanism are not solved. The prior art mainly uses direct motor control, namely, the motor directly drives the headlight to deflect, generally adopts structures such as a motor and a bracket, generally solves the problem of steering angle range, but still does not solve the problem of self-locking of a steering mechanism, and has untimely response under the condition of frequent reversing, large lamp quality is overlarge, steering lag and steering angle deviation exist, poor road condition mechanical vibration resistance is weak, and the driving motor cost is high, and is lack of modularized design. Disclosure of utility model Aiming at the defects and shortcomings of the prior art, the utility model provides a follow-up mechanism for driving the steering of the automobile headlight, which has the advantages of stable and reliable structure, high output torque, good self-locking property, high maintainability, strong mechanical vibration resistance and low manufacturing cost, overcomes the defects of the existing automobile headlight follow-up mechanism such as lack of self-locking property, low output torque, low maintainability, weak mechanical vibration resistance and high cost, can be widely arranged in common household passenger cars, and has important effect and practical significance for improving the safe driving performance of the automobile. The utility model adopts the following technical scheme that the novel automobile headlight comprises a main body, wherein the main body comprises a coupler, a worm arranged at one end of the coupler and a worm wheel meshed with the worm for transmission, a worm wheel transmission shaft is fixedly arranged at the center of the worm wheel, a sun wheel is arranged at the upper end of the worm wheel transmission shaft, the sun wheel is meshed with a plurality of planet wheels, the peripheries of the planet wheels are meshed with a gear ring, the planet wheels are rotatably arranged at the arm end of a planet carrier, an output shaft is arranged at the center of the planet carrier, and a convex tooth structure is arranged at the upper end of the output shaft and fixedly connected with the automobile headlight. Further, the other end of the coupler is connected with an output shaft of the driving motor. Further, the connecting rod is radially installed in the middle section of worm gear transmission shaft, and the tip of connecting rod is equipped with the gyro wheel transmission shaft, installs the gyro wheel on the gyro wheel transmission shaft, and the periphery and the movable contact of several micro-gap switch of gyro wheel set up, and the micro-gap switch of several all utilizing switch dead lever equiangular degree is installed on the inner circle of the micro-gap switch circle that is located the ring gear below, and micro-gap switch circle and gyro wheel are with the horizontal plane setting. Further, the number of the switch fixing rods is three, and the three switch fixing rods are respectively distributed on the inner ring of the micro switch ring at 150 degrees, 135 degrees and 75 degrees. Further, the number of the planetary gears is three, the rad