Basket Swing Double-Walled Impact Surface Shock Absorption
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Solution Overview
Problem
Existing playground swing equipment, despite attempts to enhance safety through rubber dampers and elastomeric materials, still poses risks due to limited shock absorption and rigidity, particularly in kinetic situations, leading to potential injuries from impact.
Innovation Solution
A basket swing with a double/single walled impact surface produced via volume moulding methods, such as rotation or inflation moulding, providing a larger impact area, increased elasticity, and a rigid wall thickness, combined with a negative slope for better grip, and multiple shock-absorbing sections for enhanced safety and durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If rubber dampers and elastomeric materials are used in swing equipment, then safety is improved, but shock absorption capability remains limited due to rigidity requirements
Solution Approach 1:
The swing seat is divided into multiple independent shock-absorbing sections (front, rear, and side sections) rather than using a single rigid structure. Each section contains shock-absorbing elements that can independently deform to absorb impact energy, allowing the seat to maintain overall structural integrity while providing localized flexibility for safety.
Solution Approach 2:
The patent changes the physical parameters of the shock-absorbing elements by using materials with specific elasticity moduli and designing elements with varying cross-sectional areas and wall thicknesses. This allows optimization of the balance between rigidity (for structural strength) and flexibility (for shock absorption), resolving the contradiction between safety and impact severity.
2Strength
If a rigid structure is used for the swing seat, then durability is improved, but flexibility and shock absorption are reduced
Solution Approach 1:
The swing seat structure is segmented into rigid connecting portions and flexible shock-absorbing sections. The rigid portions provide structural strength and durability, while the segmented shock-absorbing sections with elastic elements provide the necessary flexibility and shock absorption capability.
Solution Approach 2:
The patent employs composite construction combining rigid materials (such as metal or rigid plastic for connecting portions) with elastic materials (such as rubber or elastomers for shock-absorbing elements). This composite approach allows the structure to simultaneously achieve durability from rigid components and flexibility from elastic components.
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 significantly reduces impact severity by creating a flexible and shock-absorbing surface, minimizing injury risk and allowing multiple users, while maintaining durability and safety without the need for welding, through a modular design with a metal framework.
Implementation Method 1
a flexible and shock absorbing surface during impact
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
The invention relates to a swing (1) comprising a seat section (10) having a recessed structure towards the inner part (103) and made of an elastic material with damping characteristics; a seat section (10) having a double walled impact surface (100); and a body (11) in which said seat section (10) is positioned and fixed.