Vehicle Roof Wind Deflector Hook Mount for Minimal Installation Space
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Solution Overview
Problem
Existing wind deflectors require significant installation space in the longitudinal roof direction due to the use of a plastic tub and manual sewing processes, which impairs the size of the roof opening.
Innovation Solution
A wind deflector design featuring a fastening strip with a hook geometry on the vehicle-mounted base, allowing the deflector element to be hooked in, using a thin fastening strip and a groove interaction, with locking protrusions to secure the deflector element, minimizing installation space and ensuring it does not detach.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a plastic tub is used to form the beading channel for manual sewing connection, then the deflector element can be connected to the vehicle-mounted base, but the installation space in the longitudinal roof direction increases significantly
Solution Approach 1:
The patent replaces the bulky plastic tub with a thin-walled tubular element that has been optimized to use minimal material while maintaining structural integrity. This thin-walled design reduces the longitudinal space requirement while still providing the necessary beading channel function for securing the deflector element.
Solution Approach 2:
The patent modifies the wall thickness parameter of the tubular element to achieve an optimal balance between structural strength and space efficiency. By carefully controlling the wall thickness within specific ranges, the design maintains connection reliability while minimizing the installation space in the longitudinal direction.
2Strength
If a steel frame is used to form the beading channel, then the deflector element can be connected to the vehicle-mounted base, but the installation space in the longitudinal roof direction increases
Solution Approach 1:
The patent replaces the rigid steel frame structure with a thin-walled tubular element that achieves comparable or superior connection strength through optimized geometry and material selection. The thin-walled design eliminates the need for bulky framing while maintaining the structural integrity required for secure deflector element attachment.
Solution Approach 2:
The patent employs composite construction by combining the thin-walled tubular element with the roof frame structure, creating an integrated system that distributes loads effectively. This composite approach allows the use of thinner materials while maintaining overall connection strength through the synergistic interaction between the tubular element and the supporting roof frame.
Data Source
AI summary
A wind deflector for an openable vehicle roof having a displaceable lid element, the wind deflector having a deployable deflector element made of a flat, flexible material and a pivotable deploying bow, the lower edge of the deflector element being mounted on a vehicle-mounted base via a lower edge strip and the upper edge of the deflector element being mounted on a pivotable deploying bow. The vehicle-mounted base has a supporting portion on which a fastening strip is mounted. Across its length, the lower edge strip has a uniform cross section having a hook geometry which interacts with the fastening strip.