Segmented Goggle Padding for Leakage and Comfort
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Solution Overview
Problem
Conventional swimming/diving goggles padding devices face issues with product inconsistency due to varying gas pressures, leading to rigidity and gas leakage, which compromise wearing comfort and waterproof effectiveness.
Innovation Solution
A padding device design featuring a connecting portion with front and rear walls, a lateral wall, and annular extensions, where engagement faces are sealed to form a sealed cushion, maintaining atmospheric pressure and preventing gas leakage, while ensuring intimate contact with the face for enhanced comfort and vision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If gas is filled into the ring at high pressure to maintain circular cross section, then the ring structure is maintained, but the ring becomes rigid and uncomfortable for wearing
Solution Approach 1:
The padding device is divided into multiple independent hollow portions (first, second, third hollow portions) instead of a single continuous ring. Each hollow portion can be independently filled with gas to maintain circular cross-sections, while the segmented structure reduces overall rigidity and improves comfort against the wearer's face.
2Ease of operation
If gas is filled into the ring via nozzle to avoid excessive pressure, then wearing comfort is improved, but product inconsistency occurs due to different pressures in different rings
Solution Approach 1:
By segmenting the padding device into multiple independent hollow portions, each portion can be filled with a standardized amount of gas independently. This segmentation allows for more precise control of gas filling in each section, improving product consistency across mass-produced items while maintaining comfortable pressure levels.
3Strength
If the ring is made with larger pressure to provide sufficient elasticity, then cushioning effect is improved, but gas leakage becomes more problematic
Solution Approach 1:
Dividing the padding device into multiple sealed hollow portions creates multiple independent gas containment chambers. Each portion can be filled to the required pressure for elasticity, and the segmentation provides multiple sealing points, reducing the risk of complete gas loss and improving long-term reliability.
Solution Approach 2:
The hollow portions are pre-filled with gas during manufacturing to provide cushioning effect. The segmented structure with multiple hollow portions ensures that even if one portion loses gas, the others maintain the cushioning function, providing backup cushioning capability.
4Reliability
If coupling edges are extended to provide adequate bonding area for adhesive, then sealing is improved, but the viewing angle is reduced
Solution Approach 1:
The bonding structure is segmented into discrete coupling edges at specific locations rather than continuous extended edges. This segmentation provides adequate bonding areas at critical sealing points while leaving the central viewing area clear and unobstructed, maintaining a wide viewing angle.
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 provides consistent air-tightness, improved wearing comfort, and increased vision by maintaining atmospheric pressure within the padding device, preventing gas leakage, and ensuring a snug fit without obstructing the wearer's view.
Implementation Method 1
The pressure in the spacing portion 16 is equal to the atmospheric pressure
Implementation Method 2
providing softness and wearing comfort
Data Source
AI summary
A padding device includes a connecting portion for engaging with a body of a pair of swimming/diving goggles. The connecting portion includes a lateral wall extending between front and rear walls. An annular, outer wall extension extends rearward from the lateral wall. A front connecting wall extends from the outer wall extension. An annular, inner wall extension extends perpendicularly to and rearward from an inner edge of the rear wall. A bend extends outward from an inner end of the inner wall extension and has a rear connecting wall located behind the front connecting wall. A spacing portion is defined between the inner and outer wall extensions. The front and rear connecting walls are engaged with each other and seal the spacing.