Liquid-Filled Cylindrical Exerciser With Sinusoidal Walls
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Solution Overview
Problem
Existing fitness training methods struggle to effectively stimulate deep muscles and adjust load to individual needs, lacking devices that are affordable, easy to handle, and provide flexibility in load adjustment.
Innovation Solution
A fitness training device with a hollow cylindrical shape and varying cross-sections, filled with liquid or other materials, which creates vibrations when pivoted, combined with a stretchable rubber cord to stimulate deep muscles, allowing for adjustable weight and movement simulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional fitness training methods are used, then general fitness can be maintained, but deep muscles cannot be effectively stimulated and load cannot be adjusted to individual needs
Solution Approach 1:
The liquid-filled container allows dynamic adjustment of weight by varying the liquid volume, enabling the device to adapt to individual load requirements while maintaining a simple cylindrical structure without complex mechanical adjustment mechanisms
Solution Approach 2:
The weight and vibration characteristics of the device are changed by modifying the volume and properties of the liquid filling, allowing flexible load adjustment without altering the basic device structure or adding complex components
2Adaptability or versatility
If a fixed-weight exercising device is used, then the device structure is simple, but the load cannot be adjusted to individual needs
Solution Approach 1:
The device uses a liquid-filled container where the liquid acts as the weighting mechanism, eliminating the need for complex mechanical weight adjustment systems while allowing easy modification of load by simply adding or removing liquid
Solution Approach 2:
The weight parameter is made variable through changes in liquid volume and density, allowing the same simple container structure to serve multiple weight requirements without redesign or complex manufacturing
3Adaptability or versatility
If uniform cross-section container is used, then manufacturing is simple, but vibration patterns are insufficient for deep muscle stimulation
Solution Approach 1:
The container employs a cylindrical shape with sinusoidally varying cross-sectional area, creating curved surfaces that generate diverse vibration patterns during rotation, while the regular sinusoidal pattern keeps manufacturing relatively simple through standard forming processes
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 device effectively stimulates deep muscles and fasciae by varying vibrations and movements, accommodating individual load needs and enhancing fitness training experiences through adjustable weight and choreographed exercises.
Implementation Method 1
the substantially hollow cylindrical shape, with the cross-section that varies between the first end and the second end, causes the liquid to flow through the main body at varying speeds
Implementation Method 2
causes the liquid to flow through the main body at varying speeds, which causes a predetermined vibration of the exercising device when the exercising device is pivoted
Data Source
AI summary
An exercising device for fitness training includes a main body forming a container, and a first end and a second end. The main body defines a length between the first end and the second end. The container has an outer surface, an inner surface, and a substantially hollow cylindrical shape with a cross-section which varies between the first end and the second end such that the outer surface and the inner surface define a waveform. A first cover is detachably arranged on the first end and a second cover is detachably arranged on the second end. The container can be filled with a liquid which causes the exercising device to vibrate when it flows through the main body at varying speeds. In addition, a method for operating the exercising device is provided.