Clip Assembly for Cylindrical Components Resolving Vibration and Insertion Trade-offs
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Solution Overview
Problem
Conventional clip assemblies for cylindrical components, such as pipes and wires, face issues with vibration due to flexible claws that can retain components but make it difficult to press them in, and hardening the claws to prevent vibration complicates the insertion process.
Innovation Solution
A clip assembly design featuring an insert with a retention channel and a holder where the insert is fitted into the holder from the outside, allowing for firm retention of cylindrical components even if the insert is made of a flexible material, by using protrusions and hooks to secure the insert within the holder.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the claws are made flexible to press the cylindrical component into the clip assembly, then the ease of operation is improved, but the reliability of retention deteriorates due to vibration
Solution Approach 1:
The clip assembly is divided into two functional segments: the insert (with flexible claws for pressing) and the holder (with rigid retention structure). This segmentation allows each part to optimize its properties - the insert remains flexible for easy operation while the holder provides rigid vibration-resistant retention.
Solution Approach 2:
The retention function is extracted from the flexible claws and transferred to the holder structure. The claws only perform the pressing action, while the holder with its protrusions and hooks provides the actual retention, separating the pressing function from the retention function.
2Reliability
If the claws are hardened to prevent vibration, then the reliability of retention is improved, but the ease of operation deteriorates as it becomes difficult to press the cylindrical component
Solution Approach 1:
The clip assembly is divided into two functional segments: the insert (with flexible claws for pressing) and the holder (with rigid retention structure). This segmentation allows each part to optimize its properties - the insert remains flexible for easy operation while the holder provides rigid vibration-resistant retention.
Solution Approach 2:
Different parts of the assembly have different mechanical properties tailored to their functions: the claws are made flexible locally to enable easy pressing, while the holder structure is made rigid locally to provide vibration-resistant retention. This local differentiation of material properties resolves the contradiction.
3Reliability
If the insert is retained from the outside by the holder, then the reliability of retention is improved, but the device complexity increases due to the fitting structure
Solution Approach 1:
The insert is nested within the holder structure, with the holder providing an outer retaining framework. This nesting arrangement allows the holder to retain the insert from the outside using protrusions and hooks, achieving firm retention while maintaining a compact integrated structure.
Solution Approach 2:
The insert and holder are combined into a single integrated assembly where the holder both retains the insert and provides the overall structural framework. This merging reduces the need for separate retention mechanisms, achieving reliable retention without excessive complexity.
Data Source
AI summary
A clip assembly for retaining a cylindrical component includes an insert having a retention channel in which a cylindrical component is accepted, and a holder into which the insert is fitted. The insert and the holder are fitted together by pushing the insert in a fitting direction that is perpendicular to a central axis of the cylindrical component received in the channel.