Exercise Mat Wheel Retraction for Mobility and User Stability
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Solution Overview
Problem
Existing mat-type exercise devices face challenges in ensuring horizontal movement while maintaining user stability during exercises, particularly when components like motors are included, and require easy manipulation for moving and seating on a floor for stable exercise.
Innovation Solution
The device incorporates wheel modules that can move vertically between protrusion and retraction positions, with safety modules that switch positions based on applied weight, ensuring stability and easy manipulation through elastic support and wheel retraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wheel modules are protruded to enable horizontal movement, then mobility is improved, but user stability deteriorates
Solution Approach 1:
The wheel modules are designed to dynamically change their position between protruded state (for mobility) and retracted state (for stability). This dynamic adjustment allows the device to adapt its configuration based on operational needs, resolving the contradiction between mobility and stability.
Solution Approach 2:
The wheel modules are segmented from the main device body, allowing them to move independently. This segmentation enables the wheels to be protruded for mobility without compromising the overall structural stability of the device when in use.
2Ease of operation
If motor components are included for mobility, then ease of movement is improved, but device complexity increases
Solution Approach 1:
The device uses the user's own body weight as the power source to activate the safety modules, eliminating the need for additional motors or complex control systems. The user's weight automatically triggers the wheel retraction mechanism, simplifying the device while maintaining functionality.
Solution Approach 2:
The patent replaces complex motorized control systems with a simpler mechanical weight-activation system. The safety modules are triggered by the user's body weight pressing down on the device, substituting electronic/motorized control with a passive mechanical response.
3Ease of operation
If multiple wheel modules are used for mobility, then horizontal movement is improved, but manipulation complexity increases
Solution Approach 1:
Multiple wheel modules are merged into a single integrated system where all wheels respond simultaneously to user weight. This consolidation simplifies manipulation compared to controlling individual wheels separately, as the weight-activation mechanism uniformly affects all wheel modules at once.
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 solution allows for horizontal movement of the exercise device while preventing user falls and device damage, simplifying manipulation, and ensuring stable exercise by retracting wheels when weight is applied.
Implementation Method 1
a damping spring (390) disposed between the wheel module (300) and the inner body (380) to elastically support the wheel module (300) and the inner body (380)
Data Source
AI summary
Proposed is a mat-type exercise device. The mat-type exercise device may include a plurality of wheel modules. Each of the plurality of wheel modules is installed in the device body such that the wheel module can move between a protrusion position at which the wheel module protrudes from the lower surface of the device body and a retraction position at which the wheel module is retracted to the inside of the lower surface of the device body. Additionally, a plurality of switching modules switches the position of at least one of the plurality of wheel modules between the protrusion position and the retraction position. Accordingly, the mat-type exercise device is secured to move horizontally when the wheel module is located at the protrusion position, and stable exercise is secured when the wheel module is located at the retraction position.