Inflatable Shoe Sole With Pressure-Regulated Venting
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Solution Overview
Problem
Conventional shoe soles lack flexibility and effective ventilation, leading to inadequate shock absorption and discomfort during physical activities like jogging, as they are often made of rigid foam materials that do not respond well to changing loads and retain heat.
Innovation Solution
An inflatable shoe sole design featuring a chamber, pumping device, connection tube, and valves that allow air to be introduced and managed to provide cushioning and comfort, with outlets for pressure release and ventilation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If foam material is used for shoe soles, then cushioning is provided, but flexibility and shock absorption response are insufficient
Solution Approach 1:
The patent applies pneumatic principles by using an inflatable chamber filled with air instead of traditional foam material. The air-filled chamber can be inflated and deflated to provide cushioning, and the air pressure can be adjusted to optimize both shock absorption and flexibility. This resolves the contradiction by enabling the sole to be dynamically adaptable while maintaining strong shock absorption capabilities.
Solution Approach 2:
The patent implements dynamics by making the shoe sole adjustable through inflation and deflation of the air chamber. The sole can change its physical state from compressed to expanded, allowing it to adapt to different loading conditions. This dynamic adjustment capability enables the sole to provide both firm support and flexibility as needed, resolving the contradiction between shock absorption and adaptability.
2Ease of operation
If traditional shoe soles are used, then structure is simple, but ventilation is insufficient causing discomfort
Solution Approach 1:
The patent applies segmentation by dividing the shoe sole into multiple functional zones with different properties. The air chamber is segmented into regions that can be independently controlled, and ventilation outlets are strategically positioned in specific segments to optimize airflow. This segmentation allows the sole to provide both comfort through localized ventilation and adequate structure through the air chamber system.
Solution Approach 2:
The patent implements multi-functionality by designing the air chamber system to serve multiple purposes: cushioning, ventilation, and structural support. The same air chamber that provides shock absorption also serves as a framework for ventilation outlets and can be adjusted to optimize both comfort and structure. This multi-functionality resolves the contradiction by eliminating the need for separate ventilation and support systems.
3Strength
If foam material is used for shoe soles, then manufacturing is simple, but shock absorption performance is inadequate
Solution Approach 1:
The patent applies pneumatic principles by replacing complex foam shock absorption materials with a simple air-filled chamber system. The manufacturing process is simplified to involve basic sealing and inflation operations rather than complex foam molding. This resolves the contradiction by achieving superior shock absorption through air pressure control while maintaining ease of manufacture through simpler construction methods.
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 inflatable shoe sole offers enhanced shock absorption and comfort by dynamically responding to loads and improving ventilation, keeping the foot cooler and more comfortable during activities.
Implementation Method 1
a pumping device for introducing air into the chamber so as to provide cushion and comfort to the wearers
Implementation Method 2
A first valve is received in the connection tube so as to prevent air from flowing back into the pumping device
Implementation Method 3
The connection tube has a neck portion which defines a narrowed path in the connection tube
Data Source
AI summary
A shoe sole includes a chamber which is inflated by a pumping device via a connection tube. The connection tube includes a first valve to prevent air from flowing back into the pumping device and an inlet tube extends from the pumping device to introduce air from outside into the pumping device. A plurality of outlets are defined in a distal end of the connection tube and located corresponding to toes of the wearer. The connection tube has a neck portion which defines a narrowed path in the connection tube so that air is stopped at the neck portion to inflate the chamber, when the pressure of the air reaches to a pre-decided value, air passes through the neck portions and blows out from the outlets to cool the toes of the wearers.