Rotating Locking Member Cable Support Prevents Stud Scoring
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Solution Overview
Problem
Existing cable support systems for securing electrical cables in vehicles face issues with rotational forces causing the locking mechanism to loosen and fail due to scoring of the mounting stud, as they are not designed to accommodate rotation relative to the stud.
Innovation Solution
A cable support system with a rotatably connected locking member that remains fixed relative to the mounting stud, preventing rotational forces from imparting stress and ensuring secure attachment without loosening over time, featuring an annular locking member with radially extending slots and retaining clips for secure axial and rotational positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the locking member is allowed to rotate freely, then rotational forces are absorbed without scoring the mounting stud, but the cable support may become loose in the axial direction
Solution Approach 1:
The locking member is designed with dynamic characteristics that allow it to rotate freely relative to the mounting member, absorbing rotational forces without transmitting them to the mounting stud. This rotational freedom is achieved through the fit between the locking member's aperture and the mounting stud, which allows rotation while maintaining axial connection. The dynamic capability enables the system to accommodate rotational movements without causing damage.
Solution Approach 2:
The separation of rotational and axial functions is achieved through the segmented design where the locking member handles rotational movements independently while maintaining axial connection. The aperture geometry and fit characteristics are designed to permit rotation while preventing axial displacement, effectively segmenting the degrees of freedom.
2Strength
If a metal insert with interference fit is used, then the cable support is firmly secured to the mounting stud, but rotational forces cause the locking member to rotationally score the mounting stud, leading to loosening over time
Solution Approach 1:
The locking member acts as an intermediary that protects the mounting stud from rotational scoring. By positioning the locking member's aperture over the mounting stud and allowing rotation at this interface, the system prevents rotational forces from being transmitted to the stud. The interference fit between the locking member's aperture and the stud provides the necessary securing force while the locking member absorbs all rotational movement.
Solution Approach 2:
The potential harmful effect of rotational forces is converted into a beneficial feature by allowing the locking member to rotate freely. This rotational freedom prevents the scoring that would otherwise occur, transforming what could be a damaging force into a mechanism that protects the mounting stud while maintaining secure attachment.
Data Source
AI summary
A cable support is provided that includes an elongate support member for supporting a cable or cables secured thereto. A mounting member is connected to the support member and secures the support member to a mounting stud on a trim panel or other support substrate. The mounting member comprises a bore for receiving the mounting stud. A locking member is provided that has an aperture formed therein for receiving the mounting stud. The locking member is connected to the mounting member in axial alignment with the bore and rotatably connected to the mounting member such that the mounting member and support member are rotatable relative to the locking member.