Variable Floor Storage for Scooter Seat Design
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Solution Overview
Problem
Existing two-wheelers, such as motor scooters, often have a steeply rising seat that is not aesthetically desirable but still require sufficient storage space, particularly for helmets, which is challenging to achieve with conventional designs.
Innovation Solution
A storage compartment with a variable floor element that can be moved between upper and lower positions, extending into the rear wheel's spring travel to maximize storage volume when parked, with mechanisms to prevent accidental extension and protect stored items.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of stationary object
If the seat is designed to rise steeply to the rear to create storage space, then storage volume is improved, but seat design aesthetics and flatness deteriorate
Solution Approach 1:
The seat structure is segmented into a fixed upper seating surface and a movable lower floor element. This allows the upper seat to maintain a flat, aesthetically pleasing design while the lower floor element can be adjusted independently to create storage space when needed.
Solution Approach 2:
The floor element is made movable between different positions (stored and extended) rather than being fixed. This dynamic element allows the storage volume to be changed without permanently altering the seat's external shape, resolving the contradiction between storage needs and aesthetic design.
2Volume of stationary object
If the floor element is extended into the spring travel of the rear wheel to maximize storage volume, then storage volume is improved, but reliability deteriorates due to potential damage to stored objects
Solution Approach 1:
The floor element's position is dynamically adjustable between retracted and extended states. When the vehicle is in motion, the floor element remains retracted to protect stored objects. When parked, it can be extended to maximize storage volume, thus resolving the contradiction between storage capacity and object protection.
Solution Approach 2:
The system uses sensors to detect vehicle motion status and provides feedback to the control unit. Based on this feedback, the control unit automatically adjusts the floor element position - keeping it retracted during motion to protect objects and extending it when parked to maximize storage.
3Volume of stationary object
If the floor element is extended downwards into the spring travel, then storage volume is improved, but safety deteriorates due to risk of accidental extension
Solution Approach 1:
The system continuously monitors vehicle status through sensors and uses this feedback to control floor element extension. The floor element is only extended when the vehicle is confirmed to be stationary, preventing accidental extension during motion and ensuring safety.
Solution Approach 2:
The control unit acts as an intermediary between the sensor input and the floor element actuation. It processes sensor signals and controls the electric motor that moves the floor element, ensuring that extension only occurs under safe conditions.
4Reliability
If a sensor and control system are added to prevent accidental extension and ensure safety, then safety is improved, but device complexity increases
Solution Approach 1:
A simple sensor-based feedback system detects vehicle motion status and automatically controls floor element positioning. This automated feedback mechanism ensures safety without requiring complex manual control systems or multiple safety mechanisms.
Solution Approach 2:
The system is designed to be self-regulating through automated sensor feedback and control. The floor element automatically retracts or extends based on detected conditions, eliminating the need for complex manual intervention systems or multiple safety interlocks.
Data Source
Figure 1~2
Figure 1~2
AI summary
The invention relates to a two-wheeler in particular a scooter or motorbike, with a rear wheel (2), a saddle (3), running over the region of the rear wheel and a luggage space (4a, 4b), arranged below the saddle, wherein the luggage space has at least one base element (6). The base element can adopt at least one first upper position in which the luggage space has a first luggage volume and at least one second lower position in which the luggage space has a second larger volume.