Spring-Clip Polymer Gasket Structure for Stable Moisture Sealing
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Solution Overview
Problem
Existing sealing devices, particularly flexible polymer gaskets, face challenges in effectively preventing thermal insulation and moisture penetration due to limitations in their design and installation methods, which affect their stability and ease of use.
Innovation Solution
An elongated flexible polymer gasket with individual spring clip fasteners made from hardened metal wire, featuring a planar base and transverse engagement portion, is designed to be securely mounted within the gasket body, enhancing stability and ease of installation by utilizing pinhole openings that can stretch to accommodate the clip's dimensions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional flexible polymer gaskets are used without spring clip fasteners, then the gasket body can be simple in structure, but the sealing stability and prevention of thermal insulation and moisture penetration deteriorates
Solution Approach 1:
The spring clip fastener is integrated with the gasket body through captured openings, merging the fastening function with the sealing structure. The clip's base portion is captured within the gasket body while the engagement portion extends outward, creating a unified assembly that provides both sealing and secure attachment without requiring separate mounting components.
Solution Approach 2:
The pinhole openings are pre-formed in the gasket body at specific locations where the spring clip fasteners will be installed. These openings are designed to stretch during installation to accommodate the clip dimensions, allowing the clips to be inserted and captured in place before final sealing engagement, ensuring proper positioning and stability.
2Reliability
If spring clip fasteners with large base portion dimensions are used, then the engagement capability and stability improve, but the difficulty of installation through pinhole openings increases
Solution Approach 1:
The pinhole openings are designed with specific dimensional parameters that allow them to elastically stretch during installation to accommodate the spring clip's base portion dimensions. The openings are smaller than the final engaged size but large enough to allow insertion when the clip is compressed, then expand to securely capture the base portion, transforming the installation process from a precise fit to a flexible accommodation.
Solution Approach 2:
The spring clip fastener utilizes elastic deformation dynamics, where the clip is compressed during insertion through the pinhole opening, then expands to engage with the surrounding structure. The base portion is captured within the gasket body while the engagement portion extends outward, allowing the clip to dynamically adjust from a compressed insertion state to a stable engaged state.
3Manufacturing precision
If the pinhole openings are made small for precise positioning, then the positioning accuracy improves, but the ability to accommodate clip dimensions during installation deteriorates
Solution Approach 1:
The pinhole openings are designed with specific dimensional parameters that allow them to elastically stretch during installation to accommodate the spring clip's base portion dimensions. The openings are smaller than the final engaged size but large enough to allow insertion when the clip is compressed, then expand to securely capture the base portion, transforming the installation process from a precise fit to a flexible accommodation.
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 a more secure and stable sealing mechanism that effectively prevents thermal insulation and moisture penetration while simplifying the installation process, allowing for wider application in various appliances and structures.
Implementation Method 1
the length of wire being bent to form an elongated, generally planar base portion... the engagement portion of each individual spring clip fastener having a maximum length dimension in an elongated direction of the engagement portion at least transverse to the elongated direction of the base portion
Data Source
AI summary
Elongated, flexible polymer gasket include a tubular flexible polymer material body, a hollow chamber within the body extending uniformly the length of the body, and a plurality of individual openings through the sidewall forming the body and spaced apart from one another along its length. Each further includes a plurality of individual spring clip fasteners, each a length of metal wire bent to form an elongated, generally planar base portion with opposing major sides and an elongated, engagement portion extending transversely away from one of the opposing major sides. The maximum width dimensions of the base and engagement portions being greater than a maximum nominal dimension of the opening whereby the each individual spring clip member is captured in a separate one of the openings with the base portion within the hollow chamber and the engagement portion projecting traversely away from the base portion and the body.