Cable Fixing Device With Friction Sleeve And Wire Mesh
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Solution Overview
Problem
Existing cable fixing devices for electronic equipment are inadequate for general-purpose cables, as they either fail to securely fix cables due to material limitations or cause damage through mechanical stress, and are difficult to operate effectively.
Innovation Solution
A cable fixing device featuring a cable holder with multiple openings for frictional engagement and a rubber sleeve with a flange, combined with a nut for secure fastening, which prevents tension and torsion transmission by using friction and a holding mechanism within a cylindrical chamber.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a rubber sleeve is used to secure the cable, then the cable can be fixed, but the fixing is not secure and strong pulling or twisting moves the cable in the rubber sleeve
Solution Approach 1:
The cable fixing device combines a rubber sleeve with a wire mesh structure. The rubber sleeve provides flexibility and cable protection, while the wire mesh structure provides rigid securing force. This composite structure resolves the contradiction by integrating the advantages of both materials: the rubber's flexibility and the wire mesh's securing capability, preventing cable movement under strong pulling or twisting forces.
Solution Approach 2:
The wire mesh structure can change its physical parameters (compression resistance, expansion resistance) in response to applied forces. When the cable is pulled or twisted, the wire mesh structure resists these forces through its geometric configuration, transforming the flexible rubber sleeve into a more rigid securing mechanism. This parameter change enables the device to maintain cable fixation security under various operational conditions.
2Reliability
If a pair of half clamps is used to catch the cable circumference, then the cable can be secured, but the clamps dig into the cable and cause damage
Solution Approach 1:
The rubber sleeve acts as a flexible shell that envelops the cable, distributing the securing force uniformly across the cable surface. This prevents the wire mesh structure from digging into the cable and causing damage. The flexible rubber material conforms to the cable's shape and provides a protective interface between the rigid wire mesh and the cable, resolving the contradiction between securing strength and cable protection.
Solution Approach 2:
The rubber sleeve serves as an intermediary between the wire mesh structure and the cable. Instead of the wire mesh directly contacting and potentially damaging the cable, the rubber sleeve mediates the interaction by providing a soft, compliant surface that distributes forces evenly. This intermediary layer maintains securing strength while preventing cable damage.
3Strength
If metal components are used for the cable fixing device, then the structure is strong, but the cable fixation is loosened over time
Solution Approach 1:
The device combines metal wire mesh for structural strength with rubber material for durable fixation. The metal wire mesh provides the necessary strength and rigidity, while the rubber sleeve provides continuous elastic pressure on the cable, preventing loosening over time. This composite structure resolves the contradiction by using each material's strengths: metal for structural integrity and rubber for maintaining fixation pressure.
Solution Approach 2:
The rubber material undergoes minimal parameter changes (elastic deformation) to maintain constant pressure on the cable over time. This elastic property allows the rubber sleeve to compensate for any loosening in the metal wire mesh structure, maintaining reliable cable fixation. The rubber's ability to return to its original shape after deformation ensures continuous securing pressure, resolving the loosening issue over time.
4Reliability
If complex cable processing is required for fixation, then secure fixation can be achieved, but the operation becomes difficult and time-consuming
Solution Approach 1:
The cable fixing device is segmented into distinct functional components: a rubber sleeve and a wire mesh structure. The rubber sleeve can be easily fitted onto the cable without processing, while the wire mesh structure is separately attached to provide securing force. This segmentation allows for simple installation (just fitting the rubber sleeve) while maintaining secure fixation through the combined action of both components, resolving the contradiction between fixation security and operational ease.
Solution Approach 2:
The rubber sleeve is pre-formed with a structure that can be easily fitted onto the cable without any cable processing. The wire mesh structure is pre-attached to the rubber sleeve or can be easily attached afterward. This preliminary preparation of components eliminates the need for complex cable processing during installation, allowing secure fixation to be achieved through simple fitting operations.
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 device securely fixes cables without damaging them, preventing transmission of tension or torsion and allowing easy operation, making it applicable to a wide range of electronic equipment without the need for complex processing.
Implementation Method 1
A cable is drawn through a cable insertion portion formed in a cable holder, so that friction keeps the cable from being pulled out
Data Source
AI summary
A cable is drawn through a first opening of a cable holder from a rear side to a front side, and drawn back through a second opening to the rear side, and drawn again through a third opening to the front side. The cable holder on which the cable is wound is contained in a chamber of a load cell. Central lines of the cable are soldered to a circuit board in the load cell. A male thread of a nut is screwed into a female thread of the chamber, so that the cable holder is pressed against a front side of the chamber via a rubber sleeve.