Multi-Space Harness Clamp for Vibration-Resistant Retention
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Solution Overview
Problem
Existing harness clamps fail to securely hold the harness in environments with vibrations, causing the harness to come off due to inadequate clamping mechanisms.
Innovation Solution
A harness clamp design featuring multiple clamp spaces and gaps, where the harness is initially clamped in a first space and then deformed to fit into a second space, ensuring secure retention through a combination of geometric relationships and bending parts, preventing coming off under vibrational stress.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single clamp structure is used to hold the harness, then the device complexity is reduced, but the reliability of harness retention deteriorates under vibrational stress
Solution Approach 1:
The clamp body is divided into multiple functional segments: a first clamp space for initial harness insertion and a second clamp space for final secure retention. The holding part is segmented into multiple elongated parts (first, second, third elongated parts) that work together to create multiple clamp spaces. This segmentation allows the harness to be restrained at multiple locations, preventing it from passing through gaps even under vibrational stress, thereby improving reliability without significantly increasing overall device complexity.
2Reliability
If multiple clamp spaces are introduced to prevent harness coming off, then the reliability of harness retention is improved, but the device complexity increases
Solution Approach 1:
Multiple clamp spaces and holding functions are merged into a single integrated clamp body structure. The first clamp space, second clamp space, and various elongated parts are all formed as part of one continuous clamp body, rather than being separate components. This merging approach achieves reliable harness retention through multiple clamp spaces while avoiding the complexity of assembling multiple separate parts, thus improving reliability without proportionally increasing device complexity.
3Reliability
If the gap between clamp components is reduced to prevent harness passage, then the reliability of harness retention is improved, but the ease of operation for harness insertion deteriorates
Solution Approach 1:
The insertion path is segmented into two distinct stages: first, the harness is inserted through the first gap into the first clamp space where it is initially held; then, the harness is deformed and inserted through the second gap into the second clamp space for secure retention. This segmentation allows the first gap to be sufficiently large for easy initial insertion, while the second gap can be smaller to prevent harness passage, thus improving reliability without compromising ease of operation.
4Reliability
If a rigid clamp structure is used to securely hold the harness, then the reliability of harness retention is improved, but the adaptability to different harness positions deteriorates
Solution Approach 1:
The clamp body incorporates flexible elements including the folding back part that can bend and adapt to different positions. The multiple elongated parts are arranged to create clamp spaces that can accommodate harnesses at various orientations and locations. This dynamic design allows the rigid clamp body to flexibly adapt to different mounting positions and harness routes while maintaining secure retention through the multiple clamp spaces, thus improving both reliability and adaptability.
Data Source
AI summary
A harness clamp includes a harness clamp body including a base part, an upright part, a fixing part, a folding back part, a first elongated part, and a second elongated part. A distal end of the second elongated part and the upright part define a first gap. A fourth bent part and the base part define a second gap. The base, folding back, and first elongated parts define a first clamp space to clamp a harness. The base, upright, and second elongated parts define a second clamp space to clamp the harness deformed through the second gap from the first clamp space. Where a length of the first gap is A, a length of the second gap is B, a diameter of the harness is ϕ, and a maximum diameter of the deformed harness is a, a relationship that B<ϕ and A<a is satisfied.


