Roof-Storage Sun Visor with Multi-Stage Rails
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Solution Overview
Problem
Conventional sun visors lack a portable-device-holding means and are not easily storable, leading to reduced user convenience and increased risk of damage when exposed inside vehicles.
Innovation Solution
A roof-storage-type sun visor with a housing containing a storage recess, multi-stage rails, elastic members, and a holding unit for portable devices, allowing the sun visor to be easily withdrawn, turned, and stored between the roof lining and panel, preventing exposure and damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the sun visor is positioned to be exposed to the interior of a vehicle, then the driver can use it to block sunlight, but the possibility of damage to the sun visor is high
Solution Approach 1:
The sun visor is designed to be movable between two states: exposed position for blocking sunlight and retracted position for storage. The multi-stage rail system enables the visor to dynamically transition between these positions, allowing the driver to access the visor when needed while protecting it when not in use.
Solution Approach 2:
The sun visor is extracted from the traditional fixed position above the driver's seat and relocated to a retractable mechanism integrated into the roof structure. This extraction allows the visor to be removed from the exposed position and stored safely within the roof, separating the visor from potential damage sources while maintaining accessibility.
2Reliability
If the sun visor is stored inside the roof, then the risk of damage is reduced, but the ease of access for the driver is compromised
Solution Approach 1:
The multi-stage rail system provides a dynamic retrieval mechanism that allows the sun visor to be quickly and easily accessed from the stored position. The driver can pull the visor along the rails from the roof storage to the functional position, maintaining ease of access while preserving the protective storage capability.
3Ease of operation
If conventional lighting means are attached to the sun visor, then the driver can see himself/herself at night, but the quality of high-priced vehicles is deteriorated
Solution Approach 1:
The sun visor is designed with multi-functionality, integrating both the sunlight blocking function and the nighttime illumination function into a single component. The lighting means is incorporated into the visor structure itself, allowing the visor to serve multiple purposes: blocking sunlight during the day and providing illumination for the driver at night, thereby eliminating the need for separate components.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enhances user convenience by providing a secure, easily operable sun visor that reduces the risk of damage and maintains enhanced riding comfort by keeping the visor stored safely within the vehicle.
Implementation Method 1
at least one elastic member located at the inner surface of the housing that faces one end of the sun visor
Implementation Method 2
at least one roller unit located at the inner surface of the housing at the position thereof that faces the sun visor
Data Source
AI summary
A roof-storage-type sun visor includes a housing located inside a roof of a vehicle. The housing has a storage recess therein and a sun visor unit configured to be disposed along the storage recess. The sun visor unit includes a sun visor located so as to correspond to a windshield glass and includes multi-stage rails located at opposite sides of the sun visor. The sun visor is configured to be withdrawn outside the storage recess along the multi-stage rails.