Wheel assembly structure and child activity center
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Solution Overview
Problem
Existing child activity centers require complex brake structures or removal of wheel structures for stable placement, leading to inconvenient and costly operations.
Innovation Solution
A deployable wheel assembly structure with a pivotally connected wheel assembly and an adjustment mechanism that allows switching between deployment and storage states, facilitated by engagement portions and elastic members for easy positioning and rotation, reducing complexity and cost.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a complex brake structure or wheel removal mechanism is provided for stable placement, then stability is improved, but device complexity increases
Solution Approach 1:
The wheel assembly is designed to be rotatable between a deployment state (first position) for movement and a storage state (second position) for stable placement. This dynamic repositioning allows the same component to serve dual functions: enabling mobility when deployed and providing stability when stored, thereby achieving both movement capability and stable placement without requiring separate brake structures or wheel removal mechanisms
Solution Approach 2:
The wheel assembly serves multiple functions by being repositionable: it acts as a mobile wheel during transport and as a stable support structure during stationary use. This multi-functionality eliminates the need for dedicated brake systems or wheel removal mechanisms, simplifying the overall device structure while maintaining both mobility and stability capabilities
2Stability of the object's composition
If a complex brake structure or wheel removal mechanism is provided, then stable placement is achieved, but ease of operation deteriorates
Solution Approach 1:
The wheel assembly can be easily rotated between deployment and storage states by the user without requiring complex brake operations or wheel removal procedures. This simple rotational action provides intuitive and convenient control over the activity center's mobility and stability, significantly improving ease of operation compared to traditional brake systems or wheel removal mechanisms
3Ease of operation
If a deployable wheel assembly with adjustment mechanism is used, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The wheel assembly is designed as a separate, modular component that can be independently rotated between deployment and storage states. This segmentation allows the wheel assembly to function as a self-contained unit with built-in adjustment capability, providing ease of operation without requiring integration of multiple complex systems into the main device structure
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 wheel assembly structure simplifies operation, lowers production costs, and enhances user convenience by allowing easy transition between mobility and stability states without damage, thus improving the child activity center's usability and market appeal.
Implementation Method 1
the elastic engagement block is compressed and deformed, and the elastic engagement block moves to the second engagement groove or the second engagement hole from the first engagement groove or the first engagement hole
Implementation Method 2
the pivot shaft slides to the second communication hole from the first communication hole through the connection channel, and rotates to the second position in the second communication hole
Data Source
AI summary
The present disclosure discloses a wheel assembly structure and a child activity center. The wheel assembly structure includes a connection base and a wheel assembly that is deployable. The wheel assembly is pivotally connected to the connection base. The wheel assembly has a deployment state and a storage state. An adjustment mechanism is provided between the connection base and the wheel assembly. The adjustment mechanism is configured to switch the wheel assembly into the storage state from the deployment state. When the wheel assembly is in the deployment state, the wheel assembly is deployed to a first position to move the connection base. When the wheel assembly is in the storage state, the wheel assembly is stored to a second position to stably place the connection base. The wheel assembly structure has a simple overall structure, which facilitates production and lowers production costs.