Detachable Hula Hoop Track Assembly Noise Reduction
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Solution Overview
Problem
Commercially available detachable hula hoops generate significant noise due to looseness between units, and existing noise reduction methods are either complex or reduce the number of units.
Innovation Solution
A hula hoop design featuring a track assembly with interconnected track units, a slider with rotatable rollers, and a light emitting device controlled by sensors, where the gap between outer tracks is minimized to prevent noise, and materials like nylon or polyurethane are used for rollers to reduce noise further.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional detachable hula hoops with multiple units and locking mechanisms are used, then the hula hoop can be assembled and disassembled, but significant noise is generated due to looseness between units
Solution Approach 1:
The hula hoop is divided into multiple track units that can be connected end-to-end, allowing the hoop to be assembled and disassembled while maintaining structural integrity through the specific connection design between units
Solution Approach 2:
The pressing component acts as an intermediary element between adjacent track units, applying continuous pressing force to eliminate gaps and prevent noise generation while allowing the units to remain separable when needed
2Object-generated harmful factors
If the number of units is reduced or structure is simplified to reduce noise, then noise is reduced, but the assembly and disassembly capability is compromised
Solution Approach 1:
The hula hoop maintains its segmented structure with multiple track units that can be connected and disconnected, preserving the assembly/disassembly capability while using the pressing component to eliminate noise
Solution Approach 2:
The pressing component dynamically changes the physical state of the connection between units by applying continuous pressing force, transforming the connection from a loose, noisy state to a tight, silent state while maintaining the ability to separate units when needed
3Object-generated harmful factors
If a pressing component is added to secure track units, then noise is reduced by eliminating looseness, but device complexity increases
Solution Approach 1:
The pressing component is strategically positioned only at the connection points between track units where noise generation occurs, rather than throughout the entire structure, minimizing added complexity while effectively reducing noise
Solution Approach 2:
The combination of the outer track, inner track, and pressing component creates a composite structure that leverages the strengths of each element to achieve noise reduction without requiring a complete redesign of the entire hula hoop system
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 significantly reduces noise, potentially achieving silent operation, while also enhancing entertainment value with customizable lighting based on sliding speed.
Implementation Method 1
a slider provided with one or more rollers, which are configured to slide along the circular path
Implementation Method 2
The cavity of the slider is provided with the light emitting device
Data Source
AI summary
The present disclosure relates to a hula hoop. The hula hoop includes a track assembly with a plurality of track units interconnected end-to-end and a slider provided with rollers. The track unit includes an outer track having a receiving channel located at a first end and a protruding portion located at a second end opposite to the first end, a pressing component configured to secure two adjacent track units, and an inner track for jointly defining a circular path with the outer track. The rollers of the slider are configured to slide along the circular path. The hula hoop of the present disclosure is easy to assemble and disassemble.