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CN-224197672-U - Driving structure of movable optical module of automobile lamp

CN224197672UCN 224197672 UCN224197672 UCN 224197672UCN-224197672-U

Abstract

The utility model discloses a driving structure of a movable optical module of an automobile lamp, which comprises a base and stepping motors transversely arranged at two ends of the base, wherein worm screws are transversely arranged at the output ends of the stepping motors, turbines are vertically arranged above the worm screws, the turbines at two sides are arranged on the base through rotating shafts, and the stepping motors at the two ends can synchronously operate and drive the optical module to move through the transmission of the worm screws and the turbines. The utility model has small space occupation and stable operation of the mechanism, can ensure the accurate control of the movement position through the self-locking of the mechanism, ensures the dynamic change effect and is suitable for the large-range movement of the optical module.

Inventors

  • MENG QINGEN

Assignees

  • 常州星宇车灯股份有限公司

Dates

Publication Date
20260505
Application Date
20250526

Claims (8)

  1. 1. The driving structure of the movable optical module of the automobile lamp is characterized by comprising a base (1) and stepping motors (2) transversely arranged at two ends of the base (1), wherein the output end of each stepping motor (2) is transversely provided with a worm (3), and a turbine (4) is vertically arranged above each worm (3); The turbines (4) on two sides are all arranged on the base (1) through rotating shafts (5); The stepping motors (2) at the two ends can synchronously run and drive the optical module to move through the transmission of the worm (3) and the turbine (4).
  2. 2. The driving structure of the movable optical module of the automobile lamp according to claim 1, wherein two brackets (10) are arranged at two ends of the base (1), the stepping motor (2) is arranged on one of the brackets (10), and the worm (3) is rotatably assembled between the two brackets (10).
  3. 3. The driving structure of a movable optical module of an automotive lamp according to claim 1, wherein the turbine (4) is a notch turbine.
  4. 4. The driving structure of the movable optical module of the automobile lamp according to claim 1, wherein the bottom of the stepping motor (2) is further provided with a wire harness connector (20).
  5. 5. The driving structure of the movable optical module of the automobile lamp according to claim 1, wherein the rotating shaft (5) is of an integrated single structure, and the turbines (4) on two sides are respectively arranged at two ends of the rotating shaft (5).
  6. 6. The driving structure of the movable optical module of the automobile lamp according to claim 5, wherein the optical module comprises an optical module (7), a supporting device (70) is arranged at the bottom of the optical module (7), supporting points (71) are arranged at four corners of the bottom of the supporting device (70), two connecting rods (72) are further rotatably arranged on one side, far away from the turbine (4), of the base (1) through supporting seats, the two connecting rods (72) are respectively rotatably connected with the two supporting points (71) on the same side, and the two supporting points (71) close to the turbine (4) are respectively rotatably arranged on the inner sides of the two turbines (4).
  7. 7. The driving structure of the movable optical module of the automobile lamp according to claim 1, wherein the rotating shaft (5) is of a split type two-piece structure, and the turbines (4) on two sides are respectively installed through a single rotating shaft (5).
  8. 8. The driving structure of the movable optical module of the automobile lamp according to claim 7, wherein the optical module comprises a target module (8) positioned in the middle of the base (1), a decorative cover plate (80) is arranged above the target module (8), driving rods (6) are arranged on the inner sides of two ends of the decorative cover plate (80), and the two driving rods (6) are fixedly arranged on the inner sides of the two turbines (4) respectively.

Description

Driving structure of movable optical module of automobile lamp Technical Field The utility model relates to the technical field of automobile lamps, in particular to a driving structure of a movable optical module of an automobile lamp. Background With the increasingly changing personalized demands of modern automobile modeling designs, the originality of dynamic appearance of static appearance and running state of automobiles is also continuously enhanced. In the design of a combined headlamp of an automobile, a front position lamp, a daytime running lamp and a front steering lamp of the automobile are generally designed to be fixed at a specified position of a lamp, and meet the installation regulations of GB4785 on automobile lighting and signal devices, and a lamplight module should meet the environmental resistance performance of vibration impact resistance. When the automobile is in a state of driving on a non-road, the lamplight can have an atmosphere lamp effect similar to dynamic lighting according to individual requirements. Therefore, it is a difficult problem for the existing car lamp how to have the effect of dynamically lighting the atmosphere lamp on the basis of ensuring the vibration-resistant and impact-resistant performances. At present, the existing car lamp generally adopts a driving structure to drive an optical module to move, so as to further satisfy some dynamic effects. However, most of the traditional driving structures are directly driven by a motor, so that the problems of optical fluctuation and shaking exist in the aspect of dynamic change precision, and particularly under the condition of large moving distance of an optical module, the stability difference exists, and the time-long shock resistance is obviously reduced; in addition, when the weight or the size of the optical module is large, the traditional driving structure can only increase the number or the size of the motors to improve the bearing capacity and the running force, which is troublesome for the narrow internal space of the car lamp. Disclosure of utility model The utility model aims to solve the technical problems of overcoming the defects of the prior art, and provides a driving structure of a movable optical module of an automobile lamp, which has small space occupation and stable mechanism operation, can ensure the accurate control of a movement position through the self-locking of the mechanism, ensures the dynamic change effect and is suitable for the wide-range movement of the optical module. In order to solve the technical problems, the technical scheme of the utility model is as follows: The driving structure of the movable optical module of the automobile lamp comprises a base and stepping motors transversely arranged at two ends of the base, wherein the output end of each stepping motor is transversely provided with a worm, and a turbine is vertically arranged above the worm; the turbines on two sides are all arranged on the base through rotating shafts; the stepper motors at both ends can run synchronously and drive the optical module to move through the transmission of the worm and the turbine. Further, two brackets are arranged at two ends of the base, the stepping motor is arranged on one of the brackets, and the worm is rotationally assembled between the two brackets. Further, the turbine is a notch turbine. Further, the bottom of the stepping motor is also provided with a wire harness connector. Further, the rotating shaft is of an integrated single structure, and the turbines on two sides are respectively arranged at two ends of the rotating shaft. Further, the optical module comprises an optical module, a supporting device is arranged at the bottom of the optical module, supporting points are arranged at four corners of the bottom of the supporting device, two connecting rods are further installed on one side, away from the turbine, of the base through supporting seat rotation, the two connecting rods are respectively connected with the two supporting points on the same side in a rotating mode, and the two supporting points close to the turbine are respectively installed on the inner sides of the two turbines in a rotating mode. Further, the rotating shafts are of split two structures, and the turbines on two sides are respectively installed through a single rotating shaft. Further, the optical module comprises a target module located in the middle of the base, a decorative cover plate is arranged above the target module, driving rods are arranged on the inner sides of two ends of the decorative cover plate, and the two driving rods are fixedly installed on the inner sides of the two turbines respectively. By adopting the technical scheme, the utility model has the following beneficial effects: 1. The utility model is different from the traditional driving structure, adopts the transmission coordination of a motor, a worm and a turbine to drive the optical module to move, has self-locking ca