Retractable Bicycle Carrier With Expandable Box
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Solution Overview
Problem
Existing bicycle carrier systems for vehicles are inconvenient as they often expose the carrier when not in use, obstruct the vehicle's exterior design, and are not adaptable for carrying objects of various sizes safely.
Innovation Solution
A bicycle carrier apparatus installed on the rear bumper back beam of a vehicle, featuring a slide carrier that moves forward and backward, an extendable support for spreading to accommodate bicycles, and an expandable box with a wrinkle folding structure that can be expanded or contracted to match object sizes, allowing for secure carriage of bicycles and other objects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the carrier apparatus is installed on the tail gate to carry a bicycle, then the bicycle can be carried, but the vehicle exterior design is hindered and installation convenience is reduced
Solution Approach 1:
The carrier apparatus is merged with the rear bumper back beam structure. The slide carrier integrates the support structure, extended support, and box into a single unified assembly that slides along the back beam, combining multiple functions into one integrated component that maintains exterior design while enabling bicycle carrying.
Solution Approach 2:
The carrier apparatus transitions from a static exposed structure to a dynamic retractable system. The slide carrier can be drawn out from the bumper back beam when needed and retracted when not in use, allowing the system to adapt its state based on operational requirements, thus maintaining exterior design during normal times while enabling bicycle carrying when required.
2Ease of operation
If the carrier apparatus is exposed to outside for easy access, then convenience is improved, but the vehicle exterior design is hindered
Solution Approach 1:
The carrier apparatus transitions from a static exposed structure to a dynamic retractable system. The slide carrier can be drawn out from the bumper back beam when needed and retracted when not in use, allowing the system to adapt its state based on operational requirements, thus maintaining exterior design during normal times while enabling bicycle carrying when required.
3Reliability
If the carrier apparatus is fixed to carry bicycles, then bicycle carrying is stable, but other objects of various sizes cannot be accommodated
Solution Approach 1:
The box is designed with expandable and contractible capabilities through a wrinkle folding structure. When the extended support is extended, the box expands to provide larger accommodation space for various sized objects. When retracted, the box contracts to maintain a compact profile, thus adapting to different carrying needs while maintaining stability.
Solution Approach 2:
The box volume parameter is made variable through the wrinkle folding structure. The box can change its internal volume from a compact state to an expanded state, allowing it to accommodate objects of various sizes. This parameter change is synchronized with the extended support movement, ensuring stability while providing versatility.
4Reliability
If the carrier apparatus is installed permanently, then bicycle carrying is reliable, but convenience is reduced when bicycle is not needed
Solution Approach 1:
The carrier apparatus transitions from a static exposed structure to a dynamic retractable system. The slide carrier can be drawn out from the bumper back beam when needed and retracted when not in use, allowing the system to adapt its state based on operational requirements, thus maintaining exterior design during normal times while enabling bicycle carrying when required.
Data Source
AI summary
A bicycle carrier apparatus for a vehicle may include a slide carrier configured to slidably move in forward and backward directions on a bumper back beam to be drawn out or accommodated, an extended support installed on the slide carrier to be extended and spread in both side directions and formed to carry a bicycle thereon, and an expandable box seated on the extended support and carried on the slide carrier, to have an accommodation space formed therein, and to be expanded or contracted in a spreading direction of the extended support when the extended support is extended and spread.