Vehicle Lighting Structural Skeleton for Vibration-Resistant Assembly
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Solution Overview
Problem
Existing lighting and/or light signaling devices for motor vehicles face challenges in assembly complexity due to a fixed cavity volume accommodating multiple elements, visible fixings, and assembly clearances leading to vibrations.
Innovation Solution
A lighting and/or light signaling device featuring a structural skeleton with multiple mounting interfaces for easy assembly of various elements, including light modules and masks, which are mounted via screwing and clipping, allowing for secure and vibration-reduced installation while hiding the skeleton from the outside for aesthetic optimization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple elements (light modules, masks, etc.) are mounted on the wall within the cavity, then the device can accommodate various lighting functions, but the assembly becomes complex and requires multiple mounting interfaces
Solution Approach 1:
The patent applies universality by designing a single wall structure that serves multiple functions: it provides mounting surfaces for light modules, supports masks, and incorporates recesses for receiving different components. This multi-functional wall design eliminates the need for separate mounting structures for each element, thereby reducing assembly complexity while accommodating various lighting functions.
2Reliability
If fixings are used to mount modules on the wall, then the modules are securely attached, but the fixings become visible through the glass which reduces aesthetic quality
Solution Approach 1:
The patent extracts the visible fixings from the final assembly by incorporating mounting recesses directly into the wall structure. The light modules are mounted within these recesses, allowing secure attachment through the wall thickness while hiding the fixing mechanisms from external view through the glass, thus maintaining aesthetic quality.
Solution Approach 2:
The patent uses the glass panel as a thin film that obscures the mounting fixings from view. By positioning the fixings behind the glass within the wall recesses, the glass acts as a visual barrier that maintains the aesthetic appearance while allowing secure mechanical attachment of the modules.
3Adaptability or versatility
If a larger number of elements are mounted in the cavity, then top-of-the-range lighting functions are achieved, but the assembly clearances generate vibrations
Solution Approach 1:
The patent applies preliminary action by pre-forming mounting recesses and positioning features directly into the wall structure during manufacturing. These pre-prepared recesses accommodate the light modules and masks in predetermined positions, minimizing assembly clearances and preventing vibrations before the device is assembled and operated.
Data Source
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AI summary
The invention relates to a lighting and/or signaling device (1) for a motor vehicle, said device (1) comprising a housing defining a mounting cavity, a structural frame (30) mounted in said cavity of said housing, at least one lighting and/or signaling module (40) comprising at least one light source, the device (1) further comprising at least one mask (60) adapted to at least partially cover the structural frame (30), and a transparent panel mounted on the housing through the cavity. The structural frame (30) comprises at least two mounting interfaces, each of said module (40) and said mask (60) being mounted on said structural frame (30) via, respectively, one of said mounting interfaces.