Vehicle Sun Visor Slide Component Design
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Solution Overview
Problem
Existing vehicle sun visors with separate mirror covers and card holders are complex and cumbersome, with the card insertion and sliding directions often conflicting, leading to resistance and operational inconvenience.
Innovation Solution
A vehicle sun visor design where the slide component functions as both a mirror cover and a card holder, with clearances larger than the card thickness to minimize resistance and a grip that combines the functions of a knob and stopper, allowing for smooth card insertion and extraction while simplifying the structure by eliminating separate components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate mirror cover and card holder are provided on the visor main body, then the card holder function is available, but the number of components increases and the structure becomes complex
Solution Approach 1:
The patent combines the mirror cover and card holder into a single integrated slide component. The card holding parts are formed as an integral part of the slide component's main body, eliminating the need for separate mirror cover and card holder components while maintaining both functions.
Solution Approach 2:
The slide component serves multiple functions: it acts as both a mirror cover that can be slid to cover or reveal the mirror, and as a card holder that can store cards. This multi-functional design reduces the overall number of components needed on the visor main body.
2Ease of operation
If card insertion direction and sliding direction are different, then separate operations are possible, but operational resistance increases and user convenience decreases
Solution Approach 1:
The patent designs the card holding parts with asymmetric clearances - the clearance in the sliding direction is larger than the clearance in the card thickness direction. This asymmetric design allows the card insertion direction to coincide with the sliding direction without creating operational resistance, as the larger clearance in the sliding direction prevents interference during card insertion.
3Reliability
If clearances between slide main body and card holding parts are small, then card holding is secure, but card insertion and extraction becomes difficult
Solution Approach 1:
The patent employs asymmetric clearance design where the clearance dimension in the sliding direction is intentionally made larger than the clearance dimension in the card thickness direction. This allows sufficient clearance for easy card insertion and extraction while maintaining secure card holding through the perpendicular clearance dimensions.
Data Source
AI summary
A vehicle sun visor includes: a visor main body; and a slide component slidably mounted on the visor main body and including a slide main body, card holding parts provided so as to have clearances from the slide main body in a thickness direction, a stopper that restricts an amount of movement of a card inserted through the clearances into a gap between the slide main body and the card holding parts, the card moving along a surface of the slide main body, and a grip that protrudes from the slide main body, is gripped to slide the slide component relative to the visor main body, and serves as a part of the stopper.