Single-Track Vehicle Frame for Integrated Luggage and Stability
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Solution Overview
Problem
Existing single-track vehicles, such as scooters, face challenges in providing a stable and compact structure that can securely transport various luggage items while maintaining lightweight design, especially for taller and heavier users, and require improved stability during dynamic driving conditions.
Innovation Solution
A single-track vehicle with a frame that integrates a front wheel holder, steering column, and luggage holder into a common frame, featuring a rigid, elongated structure with a vertical surface for securing luggage, and a design that optimizes force transmission and reduces lever lengths to enhance stability and weight efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a separate luggage holder is added to the scooter, then the ability to transport luggage is improved, but the device complexity and structural outlay increase
Solution Approach 1:
The patent combines the luggage holder with the front wheel holder and steering column holder into a single integrated frame structure. This merging eliminates the need for separate attachments and reduces overall structural complexity while maintaining the ability to transport various luggage items.
Solution Approach 2:
The frame structure serves multiple functions simultaneously: it acts as the front wheel holder, steering column holder, and luggage holder. This multi-functionality reduces the number of separate components needed and simplifies the overall device structure.
2Reliability
If a stable frame structure is created to withstand dynamic driving forces, then the reliability is improved, but the weight of the vehicle increases
Solution Approach 1:
By merging the frame components into a single integrated structure, the patent achieves reliable force distribution without requiring additional reinforcing elements that would increase weight. The unified frame naturally distributes dynamic forces across its entire structure.
Solution Approach 2:
The frame is designed in advance to absorb and distribute resultant forces from dynamic driving conditions. The integrated structure is pre-configured to handle these forces efficiently, eliminating the need for additional weight-bearing components.
3Device complexity
If the frame is extended lengthways to integrate multiple components, then the structural efficiency is improved, but the length of the vehicle increases
Solution Approach 1:
The patent utilizes the vertical dimension by positioning the luggage holder above the footrest rather than extending the frame lengthwise. This dimensional change allows the vehicle to maintain a compact length while achieving structural efficiency through vertical integration of components.
Data Source
AI summary
In a single-track vehicle with a frame (1), on which are mounted at least one rear wheel (9) by means of a rear wheel holder of the frame (1) and a steering column (12) and a front wheel fork (6) with a front wheel holder (3b) for a front wheel (20) steered by the steering column (12) by means of at least one holder (4; 22) having at least one pivot bearing, and the frame thereof has a foot plate (2), wherein a handle part (8) with which the person steers the vehicle is attached to the steering column (12), and the steering column (12) and the front wheel fork (6) are directly or indirectly coupled to one another, wherein the handle part (8) is firmly connected to the steering column (12), and the frame (1) is designed to extend along the direction of travel, the frame (1) comprises at least one support (13) having a vertical surface and made of a rigid material, which extends in the longitudinal direction of the vehicle and is arranged above the footrest (2) in the region of the steering column (12) or between the steering column (12) and the footrest (2). A front fork holder (22) for the front wheel fork (6) is formed in the region of a lower edge of the support (13), and a steering column holder (4) for the steering column (12) is formed in the region of an upper edge of the support (13). The footrest (2) extends further rearwards than the support (13) in relation to the direction of travel, and the front fork holder (22) and the steering column holder (4) only allow rotational movements of the front wheel fork (6) and the steering column (12) relative to the frame (1), and the support (13) absorbs forces acting horizontally on the front wheel fork (6) and the steering column (12). The footrest (2) is connected to a rear, lower region of the support (13).