Top Toy Shaft Locking for Impact-Driven Height Adjustment
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Solution Overview
Problem
Existing top toys require manual adjustment to lower the height, limiting the ability to freely change the height in the axial direction.
Innovation Solution
A top toy design featuring a shaft with engagement parts and a trunk part that includes a first and second engagement part, allowing the shaft to be locked with either part using an urging force, enabling automatic height adjustment based on impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual adjustment is used to change top toy height, then the structure remains simple, but the height cannot be freely changed in both directions
Solution Approach 1:
The top toy uses impact forces from gameplay to automatically adjust its own height through the claw and engagement part mechanism, eliminating the need for manual intervention. The system serves itself by converting external impacts into self-adjustment actions.
Solution Approach 2:
The height of the top toy is made dynamically adjustable during gameplay rather than being fixed or requiring manual change. The claw can selectively engage different engagement parts based on impact conditions, enabling dynamic height variation.
2Extent of automation
If an energizing member like a coil spring is added to automatically increase height, then height can change in the heightening direction, but the structure becomes more complex
Solution Approach 1:
The patent removes the energizing member (coil spring) from the internal structure, extracting the complexity-causing element. Instead, it uses the external impact force directly to drive the height adjustment through the claw-engagement part interaction.
Solution Approach 2:
The internal energizing member (mechanical spring system) is replaced with an external force-driven mechanism. The impact force from gameplay substitutes for the coil spring, simplifying the internal structure while maintaining automatic height adjustment capability.
3Adaptability or versatility
If the shaft ground-contact state is changed by moving accessory components, then rotation characteristics can be adjusted, but the operation becomes more complex
Solution Approach 1:
The top toy automatically adjusts its rotation characteristics by using impact forces to change the shaft ground-contact state through the claw and engagement part mechanism, eliminating the need for user intervention.
Solution Approach 2:
The rotation characteristics are dynamically adjusted during gameplay based on impact conditions, allowing the top toy to adapt its performance in real-time without requiring user operation.
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
The toy's height can be easily changed to either a high or low position, altering its rotation characteristics, enhancing gameplay variety and stability during battles.
Implementation Method 1
The first claw projects inside the shaft hole, and is configured to selectively lock with the first engagement part or the second engagement part by a prescribed urging force
Data Source
AI summary
A top toy includes a trunk part and a shaft. The shaft has first and second engagement parts on an outer periphery thereof. The shaft extends in an axial direction. The trunk part has a shaft hole formed in a rotational center thereof. The shaft is inserted in the shaft hole when the shaft is assembled with the trunk part. The trunk part includes a first claw in the shaft hole. The second engagement part is configured lower than the first engagement part in the axial direction. The first claw projects inside the shaft hole, and is configured to selectively lock with the first engagement part or the second engagement part by a prescribed urging force. The trunk part and the shaft are engaged when the first claw is locked with either the first engagement part or the second engagement part.