Nut Clip Reaction Wall Structure for Tool-Free Nut Tightening
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Solution Overview
Problem
Existing nut clips face challenges in securely positioning nuts in frictional communication with articles, especially in scenarios where physical impediments limit tool access for tightening the bolt-nut combination.
Innovation Solution
A nut clip design featuring a clip with a main body, nut retention flange, and forward reaction wall, which includes angled segments to selectively contact the nut and prevent rotation, allowing for secure positioning and tightening without tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a nut clip is used to secure nuts in frictional communication with articles, then the difficulty of properly orienting and inserting bolt-nut combinations is reduced, but physical impediments may limit the ability of tools to reach the nut during tightening
Solution Approach 1:
The nut clip incorporates reaction walls that react against the nut itself during tightening, eliminating the need for external tools to provide reaction force. The nut serves as its own reaction surface through the angled segments that contact the nut's sides, allowing self-contained tightening operation in confined spaces
Solution Approach 2:
The reaction wall is divided into multiple angled segments (first and second angled segments) that can independently contact different portions of the nut. This segmentation allows the structure to adapt to various nut positions and orientations while providing effective reaction surfaces for tightening
2Reliability
If angled segments are added to the reaction wall to prevent nut rotation, then the nut is securely positioned during tightening, but the device complexity increases
Solution Approach 1:
The reaction wall incorporates localized angled segments at specific positions to provide anti-rotation functionality only where needed. Rather than making the entire structure complex, the angled segments are added only at the forward reaction wall area where they contact the nut sides to prevent rotation during tightening
Solution Approach 2:
The anti-rotation angled segments are integrated into the reaction wall structure itself, merging the reaction function and anti-rotation function into a single unified component. This eliminates the need for separate anti-rotation mechanisms, maintaining structural simplicity while achieving reliable nut positioning
Data Source
AI summary
A clip for a nut clip having a main body comprising an aft reaction boss defining at least a portion of a nut containment channel. The clip further includes a nut retention flange defining at least a further portion of the nut containment channel and connected to the main body by a nut retention flange attachment member spaced apart from the aft reaction boss. A forward reaction wall includes at least a portion of the nut retention flange attachment member facing the nut containment channel, wherein the aft reaction boss comprises an aft reaction wall. The aft reaction wall and the forward reaction wall are configured to be selectably contacted by a nut within the nut containment channel to occlude rotation of the nut.