Plastic Cable Fixation Device with Rotatable Head

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Solution Overview

Problem

Existing fixation devices for electric cables are heavy, costly, and complex, requiring multiple types of fixtures for routing, which complicates the process and demands lighter, easier-to-use solutions.

Innovation Solution

A plastic-moulded fixation device with a male-female engagement mechanism featuring teeth connections, a locking key, and a flexible link, allowing for discrete position selection and secure attachment of cable bundles to structures using a snap-fit mechanism and integral moulding of components.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If heavy and costly metallic fixation features are used, then the fixation device provides strong attachment and reliability, but the device becomes heavy and expensive

Engineering Contradiction:
Improveattachment strengthVSAvoiddevice weight
Core Design Contradiction:
ReliabilityVSWeight of moving object

Solution Approach 1:

The patent changes the material parameter from metal to plastic, transforming the fixation device from heavy metallic construction to lightweight plastic construction while maintaining functional requirements through design optimization

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The invention uses plastic material with reinforced结构设计 to create a composite solution that combines lightweight properties with sufficient mechanical strength for cable fixation applications

Inventive Principle:
Principle #40Composite materials

2Adaptability or versatility

If multiple different types of fixation features are used for complex routing, then the device can accommodate various routing configurations, but the device complexity increases

Engineering Contradiction:
Improverouting configuration flexibilityVSAvoidnumber of different feature types
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent designs a universal fixation feature that can serve multiple routing configurations through rotational positioning, eliminating the need for multiple specialized fixtures and simplifying the overall system

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The invention introduces a rotatable element that allows the fixation feature to dynamically adjust to different positions and orientations, providing adaptability for complex routing without requiring multiple static fixture types

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If a rotatable element with discrete positions is added, then the positioning flexibility is improved, but the device complexity increases

Engineering Contradiction:
Improvepositioning flexibilityVSAvoidmechanism complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent segments the rotation mechanism into discrete positioned slots rather than continuous rotation, simplifying the mechanical structure while providing sufficient positioning flexibility for routing applications

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The rotatable element with discrete positions is integrated within the head member structure, nesting the positioning mechanism within the existing fixture geometry to minimize overall complexity

Inventive Principle:
Principle #7Nested doll (Nesting)

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 solution provides a lightweight, cost-effective, and easy-to-use fixation system that allows for flexible positioning and secure attachment of cable bundles, reducing complexity and operational effort while preventing disengagement.

Implementation Method 1

The snap-fit mechanism uses elastic deformation to secure the head member to the leg member, allowing for easy assembly and disengagement

Methodology Applied
Scientific EffectElastic deformation: Elasticity

Implementation Method 2

The teeth connection mechanism uses mechanical interlocking to prevent relative rotation between the head member and leg member

Methodology Applied
Scientific EffectMechanical interlocking: Mechanical Fastener

Data Source

PatentEP3336989B1Cable fixation device
Publication Date: 2020.07.22 HELLERMANN TYTON GMBH
  • EP3336989B1 patent drawingFigure 1~2
  • EP3336989B1 patent drawingFigure 3~4
  • EP3336989B1 patent drawingFigure 5~7

AI summary

A fixation device (10) for holding a bundle of cables onto a structure, said device (10) comprising a head member (18) arranged on a leg member (14) extending from a fixation foot (16) for fixing the device (10) on said structure to said head member (18) for positioning and fixing said bundle. The fixation device (10) further comprises a positioning feature (22) enabling a plurality of relative positioning of the head member (18) and the leg member (14).