Mini Foldable Treadmill With Integrated Strut Locking Mechanism
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Solution Overview
Problem
Existing mini foldable treadmills have a complicated structure and large size due to multiple rotating and locking parts, making them difficult to design as both mini and foldable.
Innovation Solution
A mini foldable treadmill design with a simplified mechanism using a swivel arm, spring pin, and lock mechanism, where the strut is rotatably connected to the running plate via a first rotation axis, and the swivel arm is hinged to the strut via a second rotation axis, with a spring pin and fastener system for upright positioning, and a lock mechanism for easy folding and unfolding without needing to bend down.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If multiple rotating and locking parts are used to achieve foldable function, then the foldable mechanism can maintain structural stability, but the device complexity and size increase
Solution Approach 1:
The patent combines the rotating and locking functions into a single integrated rotation structure. The strut rotates relative to the running plate through a rotation axis, and the locking mechanism is integrated into this rotation structure, eliminating the need for separate rotating and locking parts. This merging reduces device complexity while maintaining structural stability during both folded and unfolded states.
Solution Approach 2:
The rotation structure serves multiple functions: it enables the strut to rotate between folded and unfolded positions, provides a mounting point for the locking mechanism, and maintains structural integrity in both configurations. This multi-functionality reduces the overall number of components needed in the foldable mechanism.
2Stability of the object's composition
If multiple rotating and locking parts are used to achieve foldable function, then the foldable mechanism can maintain structural stability, but the overall size of the treadmill increases
Solution Approach 1:
By merging the rotating and locking functions into a single integrated structure, the patent reduces the total volume occupied by the foldable mechanism. The strut, running plate, and locking components are arranged in a compact configuration that minimizes the overall size of the treadmill while maintaining stability.
Solution Approach 2:
The locking mechanism is nested within the rotation structure of the strut. When the strut is in the folded position, the locking components are contained within the compact configuration of the running plate and strut assembly, reducing the overall volume of the treadmill.
3Adaptability or versatility
If traditional foldable mechanisms with multiple parts are used, then the treadmill can achieve folding function, but the manufacturing cost and assembly complexity increase
Solution Approach 1:
The patent reduces the number of separate components that need to be manufactured and assembled. By integrating the locking mechanism into the rotation structure, fewer parts are required, which simplifies the manufacturing process and reduces assembly complexity while maintaining the folding function.
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 design achieves a smaller, more compact foldable treadmill with fewer parts, allowing easy folding and unfolding operations using handrails, enhancing user convenience and practicality while reducing the overall size and cost.
Implementation Method 1
a spring pin is slidably connected to said lower end of said strut, a fastener of said spring pin is provided on said running plate, said fastener is provided with a pin hole to fit said spring pin, said spring pin is optionally driven to extend to keep said strut in an upright state or driven to retract in order to keep said strut out of said upright state
Implementation Method 2
the lower end of said strut is hinged to one end of said running plate by means of a first rotation axis
Implementation Method 3
a swivel arm of the same number as said strut is mounted on said frame, the part of said swivel arm near the middle of said swivel arm is hinged to said strut by means of a second rotation axis
Data Source
AI summary
The present application relates to a mini foldable treadmill, a lower end of the strut is rotatably connected to one end of a running plate; a part of the swivel arm near the middle of the swivel arm is hinged to the strut by an second rotation axis, a connector is disposed at the lower end of the swivel arm, which is connected to the upper end of the transmission portion, the lower end of the transmission portion is connected to the upper end of the spring pin, the spring pin is slidably mounted at the lower end of the strut, a fastener is disposed on the running plate, a pin hole is disposed thereon, and the spring pin is driven to extend so that the strut is in an upright state or driven to retract so that the strut is not in an upright state.