Pool Fitting Mounting Plate for Rotation-Restricted Installation
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Solution Overview
Problem
The installation and maintenance of return fittings in insulated pool walls are challenging due to the lack of effective rotation restriction, leading to insecure mounting and misorientation during installation.
Innovation Solution
The use of mounting plates with projections or recesses that interact with corresponding features on the pool fittings to restrict rotation, ensuring secure mounting in a desired orientation, combined with internally threaded nuts and fasteners for secure attachment to the pool wall.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional mounting plates without rotation restriction features are used, then the mounting process is simpler with fewer features, but the fitting cannot be securely mounted in the desired orientation and may rotate during installation
Solution Approach 1:
The mounting plate incorporates asymmetric features including a D-shaped opening that receives a corresponding D-shaped fitting body, and a flat spot on the fitting that engages with a protrusion on the mounting plate. This asymmetric geometry prevents rotation by ensuring only one orientation allows proper engagement between the asymmetric features, thereby securing the fitting in the desired orientation without requiring complex additional components.
2Reliability
If mounting plates with rotation restriction features are added, then the fitting can be securely mounted in desired orientation, but the mounting plate structure becomes more complex
Solution Approach 1:
The rotation restriction features are merged into the basic mounting plate structure rather than being separate components. The D-shaped opening is formed as part of the mounting plate itself, and the flat spot engagement is integrated into the fitting design. This merging approach provides reliable rotation prevention while avoiding the complexity of additional separate rotation-restriction devices or mechanisms.
3Length of moving object
If longer fittings are used for insulated pool walls, then the fittings can reach through the thicker wall structure, but the installation becomes more difficult without rotation control
Solution Approach 1:
The asymmetric D-shaped opening and corresponding D-shaped fitting body create a natural alignment feature that guides the fitting into the correct orientation during installation. This asymmetric geometry prevents rotation regardless of the fitting length, making installation easier by providing built-in alignment and orientation control that eliminates the need for trial-and-error positioning that would be necessary with longer fittings alone.
Data Source
AI summary
Arrangements for mounting pool fittings and methods for mounting pool fittings, for example, return fittings, to pool walls are provided. The arrangements and methods facilitate the installation and maintenance of pool fittings by preventing the undesirable rotation of the fitting during installation or maintenance. Aspects of the invention are characterized by mounting plates having one or more projections or recesses that engage one or more projections or recesses on the pool fitting to restrict rotation of the fitting. Mounting plates having one or more restricting projections or recesses are also disclosed. Aspects of the invention are not limited to return fittings, but can be adapted for use with any structure mounted to a pool wall, for example, to an insulated pool wall.