Radial Expansion Mounting Aid for Secure Pool Fitting Attachment
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Solution Overview
Problem
Existing solutions for attaching fittings to swimming pool inlets and outlets are limited by the need for precise matching of diameter and geometry, often requiring screws or threads that can be aesthetically unpleasing, prone to damage, or difficult to install and remove, and may not withstand the conditions of a wet environment.
Innovation Solution
An assembly aid featuring a fastening element between two compression elements, adjustable via a connecting element like a screw, which compresses to expand radially and securely anchor to the inner walls of openings regardless of diameter or geometry, using materials with high friction and deformability like rubber for secure, flexible, and detachable attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If screws are used to attach fittings to openings, then the attachment is secure, but the screws are either visible (detracting from aesthetics) or concealed (making access for tightening and loosening cumbersome)
Solution Approach 1:
The patent introduces an intermediate attachment mechanism that eliminates the need for traditional screws. The fitting itself incorporates attachment elements that engage with the opening structure, providing secure fastening while maintaining aesthetic appearance and ease of operation without requiring concealed or visible screws
Solution Approach 2:
The patent removes the separate screw component from the attachment system, integrating the fastening function directly into the fitting structure. This extraction of the screw element eliminates the aesthetic and operational problems associated with visible or concealed screws while maintaining secure attachment
2Ease of manufacture
If internal threads are used in the pipe opening, then fittings can be screwed in without additional screws, but the threads can be damaged during construction or aging, and may seize up over time
Solution Approach 1:
The patent employs a disposable or replaceable attachment mechanism in the fitting that does not rely on permanent threads in the opening. This allows the fitting to be attached securely without compromising the opening structure, and enables easy replacement if the fitting becomes damaged or worn
Solution Approach 2:
The patent introduces an intermediate attachment system that bridges the fitting and the opening without requiring direct threading into the opening. This intermediate mechanism protects the opening from thread damage while providing secure attachment and easy replacement capability
3Loss of time
If the opening is fitted early in construction, then it is ready for fittings, but the opening can be damaged by foot traffic, heavy materials, or mortar accumulation
Solution Approach 1:
The patent uses a disposable or replaceable fitting design that does not require the opening to be permanently intact. The fitting can be installed after construction is complete, and if the opening becomes damaged, the fitting can be removed and replaced without requiring repair of the opening structure
Solution Approach 2:
The patent employs an attachment mechanism that compensates for potential opening damage. The design allows for misalignment or irregularities in the opening while maintaining secure attachment, effectively cushioning against the effects of construction damage
4Reliability
If retaining clips are used to secure fittings, then the fitting can be firmly installed without screws or threads, but the clips may be completely twisted and deformed during removal
Solution Approach 1:
The patent removes the retaining clip component from the attachment system, integrating the release mechanism directly into the fitting structure. This allows the fitting to be securely installed yet easily removed by simply detaching the fitting itself, eliminating the problem of deformed clips during removal
Solution Approach 2:
The patent implements a self-releasing attachment mechanism where the fitting itself serves as both the attachment and release element. The fitting can be securely fastened and equally easily removed by simple manipulation of the fitting, without requiring separate clips that may become deformed
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
Enables secure, flexible, and easy attachment of fittings to various openings without damaging the pool structure, maintaining aesthetics and functionality, even under high water pressure, with minimal effort and without the need for precise matching of parts.
Implementation Method 1
compresses to expand radially and securely anchor to the inner walls of openings
Implementation Method 2
using materials with high friction and deformability like rubber for secure, flexible, and detachable attachment
Data Source
Figure 1a~1b
Figure 1c
Figure 2a~2b
AI summary
The invention relates to a mounting aid for fastening fittings to the mouth of an opening (3), comprising a fastening element (1) of elastic material arranged between two compression elements (2a-b), wherein, when the compression elements (2a-b) move toward each other, the fastening element (1) is compressed in one direction and extended in the direction perpendicular thereto.