Detachable Vehicle Roof Panel Structure for Stiffness and UX Mounting
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Solution Overview
Problem
Vehicle roof body structures face challenges in balancing manufacturing cost, ceiling strength, and user experience, particularly when mounting user experience products, and require a detachable roof panel solution that enhances stiffness and convenience while maintaining structural integrity.
Innovation Solution
A roof body structure for vehicles utilizing a combination of roof rails and a moving rail system, where the inner and outer roof panels are detachable and connected via bolts and nuts, with a double structure to improve stiffness and NVH performance, allowing for the mounting of user experience products and enhancing passenger convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a UX product is mounted on the roof body structure, then user convenience is improved, but manufacturing cost increases and structural strength deteriorates
Solution Approach 1:
The roof body structure is segmented into multiple detachable panels (first roof panel, second roof panel, third roof panel) that can be independently removed. This segmentation allows the roof to maintain structural integrity when panels are attached while enabling easy access to mount UX products on the inner roof panel, thus improving user convenience without compromising overall strength.
Solution Approach 2:
The roof panels are designed to be dynamically detachable and reattachable by users based on their needs. The panels can be removed to provide direct access to the inner roof panel for mounting UX products, and reattached when not needed. This dynamic configuration allows the structure to adapt between maintaining strength (when panels are attached) and enabling easy product installation (when panels are removed).
2Ease of operation
If the roof panel is made detachable, then ease of operation is improved, but manufacturing precision deteriorates
Solution Approach 1:
The outer roof panel and inner roof panel are merged into an integrated assembly that moves together as a single unit when detached or attached. This merging ensures that both panels maintain consistent positioning relative to the vehicle body, preserving manufacturing precision while enabling easy detachable operation. The integrated design prevents misalignment issues that could arise from separate attachment of multiple components.
Data Source
AI summary
An embodiment roof body structure for a vehicle includes an outer roof panel coupled to a roof side disposed on each of two side parts of a vehicle body and defining a portion of an outside of the vehicle, an inner roof panel defining a portion of an inside of the vehicle, and a plurality of roof rails each disposed on a lower part of the inner roof panel and coupled to the roof side.