Vehicle Hinge Cover Assembly for Concealment Without Trim Gapping
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Solution Overview
Problem
Existing hinge covers for swan neck hinges on vehicles are aesthetically unsatisfactory due to visible fixings and fail to fully conceal the hinge arm and attached cables, leading to gapping issues between trim panels and housing portions during closure adjustments.
Innovation Solution
A hinge cover assembly with an elongate channel-shaped portion and a housing portion that includes clip formations to secure a trim panel, along with locking projections and ribs for secure attachment to the hinge arm, ensuring the cover encircles the hinge arm and maintains alignment with the trim panel during adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If visible fixings such as buckles, belts, clips or straps are used to secure the hinge cover, then the hinge cover can be retained in place, but the aesthetic quality deteriorates due to visible fixings
Solution Approach 1:
The fixing mechanism is extracted and hidden inside the hinge cover. The channel section includes internal fixing features such as engagement protrusions that mate with recesses in the hinge arm, or internal clips that secure the cover without any visible external fixings. This separates the retention function from the visible exterior surface.
Solution Approach 2:
The fixing mechanism is nested within the hinge cover structure itself. The cover contains internal features like engagement protrusions, clips, or adhesive layers that are housed within the cover body, allowing the cover to be secured to the hinge arm while presenting a clean, uninterrupted exterior surface.
2Area of stationary object
If an elongate three sided channel section is used to cover the hinge arm, then the majority of the hinge arm is concealed, but the aesthetic quality deteriorates because the hinge arm remains visible along the exposed fourth side
Solution Approach 1:
The hinge cover is designed with an asymmetric configuration where the channel section extends to cover four sides of the hinge arm rather than the traditional three sides. This asymmetric extension ensures complete concealment of the hinge arm from all viewing angles, eliminating the aesthetic deficiency of the exposed fourth side while maintaining structural efficiency.
Solution Approach 2:
The hinge cover is segmented into multiple functional portions: a main channel section that encircles the hinge arm, a housing portion that covers the hinge mounting area, and optionally a second channel section for complete encirclement. This segmentation allows each portion to be optimized for its specific coverage function while working together to achieve total concealment.
3Area of stationary object
If a housing portion is provided at the closure end to encapsulate the hinge mounting, then the mounting is concealed, but the aesthetic quality deteriorates when the closure is adjusted because the housing portion moves out of alignment with the trim panel creating excessive gapping
Solution Approach 1:
The housing portion is designed with dynamic adjustment capabilities including live hinges and flexible connections that allow it to move relative to the channel section. This dynamic design enables the housing portion to maintain alignment with the trim panel during closure adjustment while still providing concealment of the hinge mounting structure.
Solution Approach 2:
The housing portion incorporates flexible elements such as live hinges or flexible connections that allow it to adapt its position relative to the trim panel during closure adjustment. This flexibility ensures continuous alignment and prevents gapping while maintaining the concealment function.
4Shape
If the hinge cover is designed to fully encircle the hinge arm, then complete concealment is achieved, but the device complexity increases
Solution Approach 1:
The hinge cover is segmented into modular portions including a main channel section and an optional second channel section, allowing complete encirclement of the hinge arm through assembly of separate components rather than a single complex piece. This segmentation simplifies manufacturing and assembly while achieving the complete concealment goal.
Data Source
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AI summary
A hinge cover member (20) for use with a swan neck type hinge (12) has an elongate channel shaped portion (24) for receiving the hinge arm (14) and a housing portion (13) for location about a mounting structure (18) which attaches the hinge arm to the closure. The housing portion defines at least one formation (70) for attaching an edge (72) of a trim panel (56) mounted to the closure to the housing portion. The formation (70) may be a clip which clamps the edge (72) of the trim panel. The trim panel (56 may have a live hinge (74) adjacent the edge about which the panel can flex. During adjustment of the closure (13) relative to the hinge, the edge region (72) of the trim panel is constrained to move with the hinge cover,