Door Mirror Mounting Structure for Flush Beltline Styling
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Solution Overview
Problem
Existing door mirror mounting systems for vehicles either protrude above the beltline or require a prominent sail portion, limiting design freedom and creating aesthetic issues, while also potentially transmitting forces that can distort exterior trim panels.
Innovation Solution
A door mirror mounting system that includes a reinforcing structure for the window frame to provide a stable mounting point, an exterior trim panel to cover the mirror base, and an aperture for the mirror stem, allowing for alignment and sealing without distorting the trim panel, thus achieving a flush finish above the beltline.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the door mirror is mounted through the exterior trim panel, then the mounting structure is simplified, but forces are transmitted to the trim panel causing distortion
Solution Approach 1:
The mounting system is divided into two independent parts: the reinforcing structure attached to the door structure, and the exterior trim panel that covers it. The aperture in the trim panel allows the mirror stem to pass through without the trim panel bearing mounting forces, separating the structural support function from the cosmetic cover function.
Solution Approach 2:
The reinforcing structure acts as an intermediary between the door structure and the exterior trim panel. It provides the mounting point for the door mirror base while the trim panel merely covers the reinforcing structure and base, preventing force transmission to the trim panel.
2Adaptability or versatility
If the door mirror is mounted above the beltline, then design freedom is increased, but a prominent sail portion is required which affects aesthetics
Solution Approach 1:
The system separates the functional mounting components (reinforcing structure and base) from the cosmetic exterior surface (trim panel). This allows the mirror to be mounted above the beltline without requiring a prominent sail portion, as the trim panel can be designed to be substantially flush with adjacent panels while the functional components are hidden behind it.
3Shape
If the exterior trim panel is made flush with adjacent panels, then aesthetic appeal is improved, but force transmission can cause distortion
Solution Approach 1:
The trim panel is separated from the mounting function, serving only as a cosmetic cover that can be made substantially flush with adjacent window, body, and trim panels. The reinforcing structure behind it handles all mounting forces, allowing the trim panel to achieve a clean flush finish without structural compromise.
Data Source
AI summary
There is provided a door mirror mounting system (400) for a vehicle door structure (200) and a method (500) of installing a mirror mounting system (400) on a vehicle door structure (200). The door mirror mounting system (400) comprises a reinforcing structure (410) for a window frame portion (210) of the vehicle door structure (200). The reinforcing structure (410) is configured to provide a mounting point for a base (310) of a door mirror (300). The door mirror mounting system (400) comprises an exterior trim panel (420) configured to cover the reinforcing structure (410) and the base (310) of the door mirror (300) when mounted. The exterior trim panel (420) comprises an aperture (424) configured to receive a stem (320) of the door mirror (300) therethrough