Profile Clamp Sealing Element Locking Against Rotation and Displacement
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Solution Overview
Problem
Existing profile clamp and sealing element connections are complex and prone to rotation and displacement, especially when the profile clamp is bent open, leading to instability and potential leakage.
Innovation Solution
A profile clamp with a ring-shaped sealing element featuring a radially outward retaining lug connected to the tensioning element, which serves as an anti-rotational mechanism and prevents displacement, combined with radially inward tabs and projections for securement, ensuring the sealing element remains locked in place during tensioning and bending.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the sealing element is not fastened on the profile clamp, then the installation is simpler and tool-free, but the sealing element can rotate and come loose when the profile strip is widened
Solution Approach 1:
The sealing element is divided into functional segments: a ring-shaped disk for sealing, radially outwardly protruding retaining lugs for anti-rotation, and radially inwardly protruding tabs for securing to the profile clamp. This segmentation allows each feature to perform its specific function while maintaining overall simplicity
Solution Approach 2:
The sealing element is designed to be self-installing without tools. The radially inward tabs automatically engage with the profile clamp during installation, and the radially outward retaining lugs automatically prevent rotation and loosening, eliminating the need for additional fastening operations
2Reliability
If deformable fastening brackets are used to connect the sealing element to the profile strip, then the sealing element is securely fastened, but the installation becomes more complicated requiring two independent components
Solution Approach 1:
The sealing element is merged with its fastening features. The radially outward retaining lugs and radially inward tabs are integrated directly into the sealing element as monolithic features, eliminating the need for separate fastening brackets and reducing the assembly to a single component
Solution Approach 2:
The sealing element serves multiple functions simultaneously: it provides the sealing barrier, contains the radially outward retaining lugs for anti-rotation, and incorporates radially inward tabs for securement to the profile clamp. This multi-functionality eliminates the need for separate dedicated fastening components
3Ease of operation
If the sealing element is held on the profile strip in a non-positive locking manner, then tool-free attachment is possible, but rotation between the sealing element and profile strip is not prevented
Solution Approach 1:
The radially outward retaining lugs have an asymmetric geometry with bent-around ends that encompass the tensioning element. This asymmetric design creates a mechanical interference fit that prevents rotation while maintaining ease of installation in the radial direction
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 stable, one-handed assembly and secure positioning of the profile clamp on flanges, preventing rotation and displacement, thus simplifying installation and maintaining a fluid-tight connection.
Implementation Method 1
the retaining lug comprises a bent-around end which encompasses the tensioning element at least in part
Data Source
AI summary
A profile clamp includes a profile strip and an annular sealing element, the profile strip having two tensioning heads which are interconnected by a tensioning element. Furthermore, a corresponding sealing element and a conduit connection assembly include a profile clamp of this type. So that the sealing element is held so that it cannot rotate on the profile clamp, the sealing element has a retaining lug which extends radially outwards and is held on the tensioning element.