Vehicle Mirror Mounting Structure for Precise Turning Body Positioning
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Solution Overview
Problem
Existing mirror devices for vehicles face challenges in accurately positioning the turning body with respect to the mounting and support members, particularly when these components are separate, leading to potential misalignment and assembly complexities.
Innovation Solution
The mirror device incorporates a fastening member with an inclined axial direction, combined with abutting surfaces on the mounting and support members, and a cover member, to ensure precise positioning of the support member and cover member relative to the mounting member, even when the fastening member's axis is angled, thereby improving the accuracy of the turning body's positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the fastening member's axial direction is inclined to the support member's axial direction, then the support member can be mounted to the mounting member, but the positioning accuracy of the turning body with respect to the mounting member deteriorates
Solution Approach 1:
The patent introduces abutting surfaces as intermediary elements between the support member and mounting member. These abutting surfaces provide precise positioning contact points that ensure accurate relative positioning even when the fastening member has an inclined axial direction, thus mediating between the mounting capability and positioning accuracy requirements
2Adaptability or versatility
If the turning shaft is a separate component from the base, then the structure is more flexible, but the positioning accuracy of the turnable housing with respect to the base cover deteriorates
Solution Approach 1:
The abutting surfaces act as intermediary positioning elements between the separate turning shaft and base components. They ensure that even with the turning shaft as a separate component providing structural flexibility, the positioning accuracy between housing and base cover is maintained through precise abutting contact
3Ease of manufacture
If multiple separate components are used for mounting and support, then the assembly is more modular, but the complexity of ensuring accurate positioning increases
Solution Approach 1:
The abutting surfaces serve as simple intermediary elements that reduce positioning complexity. By providing direct contact surfaces for positioning, they eliminate the need for complex adjustment mechanisms or multiple positioning features, thus simplifying the overall positioning process while maintaining modularity
Data Source
AI summary
Accuracy of positioning of a turning body to a mounting member when the mounting member and a support member are separate components is improved. In a vehicle door mirror device, a stand of a housing device is mounted to a base by being fastened with mounting screws. Axial directions of the mounting screws are angled with respect to an axial direction of the stand. An inner periphery abutting face and a vertical abutting face of the stand are abutted against an outer periphery abutting face and a perpendicular abutting face of the base in directions perpendicular to the axis of the stand. Thus, the stand is positioned to the base in whole directions perpendicular to the axis of the stand. Therefore, positioning accuracy of the housing device and a main body portion to the base in whole directions perpendicular to the axis of the stand can be improved.