Children's ride-on vehicle with quick-release steering wheel
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Solution Overview
Problem
Existing children's ride-on vehicles require cumbersome and tool-dependent methods for installing and removing the steering wheel, which complicates user convenience and accessibility.
Innovation Solution
A children's ride-on vehicle equipped with a quick-release steering wheel mechanism, featuring a connecting member with complementary mating elements and a threaded rod system that allows for tool-free coupling and decoupling of the steering wheel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the steering wheel is installed using threaded holes and bolts with a screwdriver, then the steering wheel can be securely attached to the shaft, but the installation and removal process becomes cumbersome and requires installation tools
Solution Approach 1:
The steering wheel assembly is divided into separable components: the steering wheel body with connecting member and the shaft with mating elements. This segmentation allows the steering wheel to be quickly detached from the shaft without tools, resolving the contradiction between secure attachment and ease of operation.
Solution Approach 2:
Complementary mating elements (square shape with threaded hole in the connecting member, and corresponding square shaft with threaded hole) serve as an intermediary mechanism. These specialized interfaces enable tool-free attachment and detachment while maintaining secure connection during operation, eliminating the need for screwdrivers and bolts.
2Reliability
If the steering wheel is permanently fixed to the shaft, then the attachment remains secure, but the steering wheel cannot be quickly removed or replaced
Solution Approach 1:
The connection between the steering wheel and shaft transitions from a static permanent fix to a dynamic quick-release system. The complementary mating elements with threaded holes allow the connection state to change between securely attached and easily detached, providing both reliability during use and adaptability for replacement.
Solution Approach 2:
The threaded holes and complementary mating elements are pre-configured in both the steering wheel connecting member and the shaft before assembly. This preliminary preparation enables rapid attachment and detachment without requiring tools or complex procedures, achieving both secure attachment and quick-release capability.
3Strength
If traditional bolt and screwdriver installation is used, then the steering wheel can be firmly secured, but the process requires installation tools and increases installation time
Solution Approach 1:
The complementary mating elements with threaded holes are designed to self-align and self-secure when the steering wheel is placed on the shaft. The square shaft fits into the square connecting member, and the threaded holes provide automatic thread engagement, eliminating the need for external tools like screwdrivers and significantly reducing installation time while maintaining connection strength.
Solution Approach 2:
The connection mechanism changes from requiring external tightening force (bolt and screwdriver) to utilizing the inherent geometric parameters of complementary mating elements. The square shapes and threaded holes are designed with specific dimensions that provide sufficient connection strength through direct engagement, reducing installation time by eliminating the tightening step.
Data Source
AI summary
A children's ride-on vehicle with a quick-release steering wheel includes a vehicle body, a steering wheel, a shaft, a front wheel assembly, and a threaded rod. The steering wheel comprises a connecting member. The shaft at a first end comprises a first mating element. The connecting member comprises a first complementary mating element. The vehicle body comprises an interior space to accommodate the front wheel assembly. The front wheel assembly is rotatably mounted on the vehicle body. The shaft at a second end comprises a second mating element. The front wheel assembly comprises a second complementary mating element. The front wheel assembly, the shaft, and the connecting member of the steering wheel each comprise a central passage to form a continuous passage for the threaded rod. The central passage of the connecting member is threaded to allow the threaded rod to be threaded into the connecting member.