Adjusting Screw With Segmented Elements For Headlight Alignment
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Solution Overview
Problem
Existing headlight adjusting mechanisms for motor vehicles are not economical to manufacture, easy to assemble, or universally applicable across different types of headlights, and lack reliability in ensuring the light cone is adjusted correctly.
Innovation Solution
An adjusting screw comprising a screw element and a counter element with varying diameters and a profile, allowing for easy assembly and rotation-driven axial movement of an adjusting device, which can be connected via a clamp or snap-in mechanism and includes sealing and drive geometries to facilitate universal application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a traditional adjusting mechanism is used, then the headlight alignment function is achieved, but the manufacturing cost is high and assembly is complex
Solution Approach 1:
The adjusting screw is divided into two separate elements: a screw element and a counter element. This segmentation allows each element to be manufactured independently using simpler processes, reducing overall manufacturing complexity while maintaining the adjustment function through their combined operation.
Solution Approach 2:
The adjusting screw design incorporates universal features that allow it to be applied across different headlight types and vehicle models. The standardized screw and counter element configuration enables broad applicability, reducing the need for custom-adjustment mechanisms for each application.
2Ease of operation
If a traditional adjusting screw design is used, then the adjustment function is provided, but assembly and maintenance become difficult
Solution Approach 1:
By separating the adjusting screw into a screw element and a counter element, the design enables easier assembly and disassembly. The screw element can be independently removed and replaced, simplifying maintenance operations without requiring complete disassembly of the headlight assembly.
Solution Approach 2:
The screw element is designed to be extractable from the headlight housing through a dedicated opening. This extraction capability allows for easy removal, replacement, and maintenance of the adjusting mechanism without damaging surrounding components or requiring complex disassembly procedures.
3Ease of repair
If the adjusting screw is designed with access from one end only, then the structure is simple, but the adjusting device cannot be accessed for maintenance
Solution Approach 1:
The design provides access to the adjusting mechanism through multiple dimensions by incorporating openings in different locations on the headlight housing. The screw element can be accessed and operated from at least two different directions, enabling maintenance without complete disassembly while adding spatial complexity to the overall structure.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution enables an economical, reliable, and universally applicable adjusting mechanism for headlight alignment, ensuring the light cone is adjusted correctly while being easy to assemble and maintain, with the ability to be accessed and rotated from both ends for efficient operation.
Implementation Method 1
The screw element comprises a profile in a smaller diameter area. This profile is preferably arranged at the outside, i.e. the circumferential surface of the screw element. This profile is preferably designed in such a way that rotation of the adjusting screw results in axial movement of an adjusting device arranged at the adjusting screw.
Data Source
AI summary
An adjusting screw (1) for adjusting a position of a headlight, comprising: a screw element (2) having a larger diameter at one end (2a) and a smaller diameter at another end (2b), and a counter element (3) with an area having a larger diameter (3a), wherein the screw element (2) and the counter element (3) are designed such that the end (2b) of the screw element (2) with the smaller diameter can be connected to the counter element (3), and wherein the screw element (2) comprises in a area with a smaller diameter a profile (4) and a corresponding method.