Inverted Pendulum Vehicle Stand Lever Mechanism
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Solution Overview
Problem
Existing inverted pendulum type vehicles face difficulties in operating their stands as stands, requiring complex rotations and being prone to unintentional operation when used as vehicles, which complicates parking and standing mechanisms.
Innovation Solution
The design incorporates a stand that can be easily operated by a rider using a housing lever and a standing lever, which are positioned to prevent accidental activation, allowing the stand to pivot between a housing position and a standing position, and includes a position sensor to inhibit inverted pendulum control when the stand is in the standing position, ensuring safety and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the step tip part is configured to pivot 270° from the first pivotal position to the second pivotal position, then the stand can be positioned to support the vehicle body frame, but the operation becomes difficult when using a foot
Solution Approach 1:
Instead of requiring the stand to pivot 270° from a horizontal position, the invention inverts the approach by allowing the stand to pivot from a vertical housing position to a horizontal standing position. This inversion changes the operation from difficult foot-operated rotation to simple downward pressure, as the housing lever protrudes upward from the footrest surface and can be easily depressed by foot.
Solution Approach 2:
The housing lever is designed to automatically return to its initial horizontal position after being depressed, eliminating the need for manual resetting. The stand mechanism serves itself by using the rider's foot pressure to activate the housing lever, which then automatically pivots the stand to the standing position and returns to ready state.
2Reliability
If the stand is positioned to prevent unintentional rotation, then the reliability is improved, but the ease of operation deteriorates
Solution Approach 1:
The housing lever is positioned with its upper surface protruding upwardly from the footrest surface at a specific location. This local positioning creates a distinct operational zone that is easily accessible to the rider's foot while being protected from accidental activation. The lever's unique position and protrusion provide both reliability through controlled activation and ease of operation through intuitive foot pressure.
3Ease of operation
If the stand mechanism is simplified for easier operation, then the ease of operation is improved, but the device complexity may worsen
Solution Approach 1:
The invention extracts the essential function of stand activation from the complex 270° rotation mechanism and isolates it into a simple downward pressure action on the housing lever. By separating the activation function from the positioning function, the system achieves ease of operation through simple foot pressure while maintaining reliable positioning through the mechanical pivot mechanism.
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
This configuration simplifies the operation of stands in inverted pendulum type vehicles, enhances safety by preventing unintended control activation, and maintains the vehicle's stability when parked or standing.
Implementation Method 1
a stand (116) that is provided on the vehicle body frame pivotally between a standing position and a housing position
Implementation Method 2
a housing lever (118) that is provided on the vehicle body frame and pivots the stand from the standing position to the housing position
Data Source
AI summary
An inverted pendulum type vehicle includes a vehicle body frame having a footstep on which for positioning a rider's feet, a main wheel subjected to an inverted pendulum control, and stand arms pivotally mounted between a standing position and a housing position for supporting the vehicle body frame in a standing state when the inverted pendulum control is not being carried out and the stand arms is positioned at the standing position. The inverted pendulum type vehicle has housing levers that are provided on the vehicle body frame for pivoting the stand arms from the standing position to the housing position. The housing levers protrude upward from a footrest surface of the footstep when the stand arms is positioned at the standing position, and pivot the stand arms to the housing position by being pushed down to the side of the footrest surface.