Screw Connection System With Deformable Clamping Fixture
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Solution Overview
Problem
Existing screw connection systems for reinforced long molded parts, such as cables and hoses, face issues with precise clamping due to friction during assembly, which can lead to damage and incorrect assembly, particularly with multi-part systems where the clamping ring can be lost or incorrectly positioned.
Innovation Solution
A screw connection system featuring a pressure element with a pressure contour that deforms a clamping fixture's outer wall to securely hold the reinforcement between inner and outer clamping walls, eliminating the need for a loose clamping ring and allowing for defined positioning of the reinforcement, thus simplifying assembly and ensuring secure clamping or decoupling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a multi-part screw connection system with a loose clamping ring is used, then the reinforcement can be clamped, but the clamping ring can be lost or incorrectly positioned during assembly
Solution Approach 1:
The clamping ring is integrated into the connecting part as a fixed component rather than a separate loose part. The clamping ring is formed as one piece with the connecting part, eliminating the risk of loss or incorrect positioning during assembly while maintaining the clamping function.
Solution Approach 2:
The clamping ring is pre-positioned and fixed to the connecting part during manufacturing. This preliminary action ensures that the clamping ring is always in the correct position during assembly, eliminating the need for manual positioning and preventing assembly errors.
2Strength
If friction is applied to the reinforcement during clamping, then the parts can be secured, but the reinforcement may be damaged or precise clamping inhibited
Solution Approach 1:
The clamping force is distributed across multiple contact points between the clamping ring and reinforcement. The groove geometry and clamping ring design create localized contact zones that concentrate force where needed while distributing overall stress to prevent reinforcement damage.
Solution Approach 2:
The clamping mechanism transitions from a static loose fit to a dynamic compressed state. During assembly, the components are compressed together, creating a secure friction-based connection that adapts to the reinforcement dimensions while maintaining controlled force to prevent damage.
3Reliability
If a rigid clamping ring is used, then the reinforcement can be held securely, but the assembly complexity increases and visual verification becomes difficult
Solution Approach 1:
The clamping ring and connecting part are merged into a single integrated component. This reduces the number of separate parts that need to be assembled and eliminates the complexity of managing multiple loose components while maintaining secure holding capability.
Solution Approach 2:
The groove in the clamping ring provides visual indication of the reinforcement position and engagement depth. This visual feedback mechanism allows operators to verify correct assembly without additional tools or complex inspection procedures.
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 system provides precise, torsion-free clamping and easy assembly by eliminating the risk of lost or incorrectly assembled parts, allowing for secure holding of various reinforcement types without considering the thickness of a rigid clamping ring, and enabling visual verification of the reinforcement's depth for correct engagement.
Implementation Method 1
deform the second outer clamping wall of the clamping fixture via the pressure contour
Implementation Method 2
the reinforcement of the long molded part is held frictionally between a first inner clamping wall of the clamping fixture and the second outer clamping wall
Data Source
AI summary
A screw connection system can screw together at least one reinforced long molded part that includes at least one pressure element and a connecting part. The pressure element has a pressure contour. The connecting part has a clamping fixture. The clamping fixture includes a first inner clamping wall and a second outer clamping wall, between which a groove is formed. The pressure element can be applied to the connecting part, whereby the second outer clamping wall of the clamping fixture can be deformed by the pressure contour. The second clamping wall may be deformed radially inwards by the pressure contour. The second clamping wall may be deformable in the direction of the first clamping wall. The second clamping wall may be deformed such that it comes into contact with the first clamping wall when no reinforcement of a long molded part is arranged in the clamping fixture.