Pool Cleaning Retaining Clip Segmentation for Surface Adaptation
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Solution Overview
Problem
Existing pool cleaning tools face challenges in effectively retaining debris on smooth and slippery surfaces due to the rigidity of elongated clips, which leads to poor performance and potential damage to vinyl liners, and struggle to balance stiffness and flexibility for efficient cleaning.
Innovation Solution
A retaining clip made from coextruded plastics with different material properties, providing a rigid U-shaped portion for gripping the frame and a flexible contact portion for conforming to various pool surfaces, reducing abrasion and improving ease of assembly and disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the elongated clip is made rigid to retain the net on the frame, then the net retention is improved, but the ease of assembly and disassembly deteriorates
Solution Approach 1:
The elongated clip is divided into two distinct segments with different material properties: a rigid U-shaped portion for retaining the net and a flexible contact portion for conforming to pool surfaces. This segmentation allows each portion to be optimized for its specific function, resolving the contradiction between retention reliability and assembly ease.
Solution Approach 2:
The elongated clip is constructed as a composite structure combining rigid plastic (for the U-shaped portion) and flexible rubber or elastomer material (for the contact portion). This composite material approach enables the single component to simultaneously provide secure net retention and flexible surface conformance, while the modular design maintains ease of assembly and disassembly.
2Productivity
If the contact portion of the elongated clip is made rigid to perform better on hard surfaces, then the cleaning performance on plaster and rock is improved, but the ability to conform to smooth surfaces deteriorates
Solution Approach 1:
Different portions of the elongated clip are assigned different material qualities: the U-shaped retaining portion is made rigid for effective operation on hard pool surfaces, while the contact portion is made flexible to conform to smooth surfaces such as vinyl, fiberglass, acrylic, and tile. This local differentiation of material properties allows the single component to adapt to various surface types without compromising performance on any one surface.
3Ease of operation
If the elongated clip is made flexible to conform to surface variations, then the ease of cleaning smooth surfaces is improved, but the net retention capability deteriorates
Solution Approach 1:
The elongated clip is segmented into a rigid U-shaped portion that maintains net retention capability and a flexible contact portion that conforms to surface variations. This segmentation ensures that flexibility is localized only where needed for surface conformance, while the rigid portion maintains its retention function.
Solution Approach 2:
The composite construction combines rigid plastic for the U-shaped portion with flexible rubber or elastomer for the contact portion. This material combination ensures that the flexible contact portion can conform to smooth surfaces for easy cleaning, while the rigid U-shaped portion maintains sufficient strength and shape stability for reliable net retention.
4Object-affected harmful factors
If the contact portion is made flexible to reduce abrasion on vinyl liners, then the protection of the liner is improved, but the ability to effectively collect debris on smooth surfaces deteriorates
Solution Approach 1:
The flexible contact portion is specifically designed to conform to the surface of vinyl liners and other smooth surfaces, distributing contact pressure and reducing concentrated abrasion points. This local flexibility protects the liner while the overall rigid structure of the elongated clip maintains debris collection effectiveness.
Data Source
AI summary
A tool for cleaning debris from swimming pools includes a frame, a corresponding net, and retaining means for retaining the net on the frame. The preferred retaining means is an elongated strip of resilient, flexible material, having a generally U-shaped cross-section. The web portion of the cross-section includes an exterior surface smoothly shaped between its two edges to urge debris from the pool into the net. The leg portions of the cross-section include gripping portions to assist in engaging and/or disengaging the retaining means from the frame, to permit the net to be assembled, changed or replaced. Preferably, the retaining means is formed from at least two different materials. The preferred frame of the tool is fabricated from aluminum and includes an elongated, curved frame portion with its ends permanently assembled into the end of a tubular attachment member, to permit attachment of the tool to a handle, pole or similar structure. The preferred net of the tool includes one or more anti-slip devices to prevent the edge of the net or bag from slipping between the frame portion and retaining means. A corresponding preferred method of use is also disclosed.