Wall Duct Grid Component for Flexible Cable Sealing
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Solution Overview
Problem
Existing wall duct solutions for cable feedthroughs lack flexibility and effective sealing for pre-assembled cables with connection aids or plugs, particularly in varying application scenarios.
Innovation Solution
A method and arrangement for a wall duct with a housing and grid component that includes separate receptacles for sealing elements, allowing flexible adaptation and automatic clamping of cables, using materials like plastic or metal, with elastic sealing elements and a cover for enhanced sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional wall duct with integrated sealing is used, then the structure is simple, but it lacks flexibility for pre-assembled cables with connection aids or plugs
Solution Approach 1:
The wall duct is divided into separate functional components: a housing, a grid component with individual receptacles, and separate sealing elements. This segmentation allows each component to be optimized independently and enables flexible adaptation to different cable configurations, particularly pre-assembled cables with connection aids or plugs, while maintaining a relatively simple overall structure.
2Reliability
If separate sealing elements are used for each cable, then sealing effectiveness is improved, but the number of components and assembly complexity increases
Solution Approach 1:
Multiple individual sealing elements are integrated into a single grid component structure. The grid component provides a unified framework that holds multiple sealing elements, each dedicated to a specific cable receptacle. This merging approach maintains effective sealing for each cable while reducing the overall number of separate components compared to using entirely independent sealing solutions for each cable.
3Object-affected harmful factors
If a tight seal is provided for each cable, then protection against moisture and dirt is improved, but the manufacturing and assembly process becomes more complex
Solution Approach 1:
The sealing elements are pre-positioned within the grid component structure during manufacturing. The grid component is designed with integrated receptacles that automatically guide and position the sealing elements in their correct locations. This preliminary action ensures tight seals for each cable while simplifying the final assembly process, as the sealing elements are already in place when cables are installed.
4Ease of operation
If automatic clamping is implemented for cables, then ease of installation is improved, but the mechanism complexity increases
Solution Approach 1:
The receptacles in the grid component are designed with self-clamping features that automatically grip cables when they are inserted. The sealing elements and receptacle structures are configured to exert natural clamping forces on the cables without requiring additional active mechanisms. This self-service approach provides automatic clamping that simplifies installation while avoiding the complexity of motorized or mechanically complex clamping systems.
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 flexible and effective sealing system for multiple cables, ensuring protection against moisture and dirt, with automatic clamping and increased sealing efficiency, meeting protection standards like IP65.
Implementation Method 1
using materials like plastic or metal, with elastic sealing elements
Data Source
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AI summary
The invention relates to an arrangement with a wall lead-through for a plurality of cables, comprising a wall having a wall opening, a housing of a wall lead-through, which is fixed on one side to the wall, such that a housing aperture formed at the housing is arranged opposite the wall lead-through, and a plurality of cables which extend in each case through the wall lead-through and the housing aperture as well as through an associated sealing element which is arranged in a sealing manner in a receiving space of the housing and surrounds the respective cable circumferentially. According to the invention, separate receptacles for in each case one or more sealing elements, in which the sealing elements are arranged, are formed in the receiving space of the housing and with the aid of at least one grid component which, after the housing has been fixed to the wall, is inserted from an opposite side of the wall through the wall lead-through into the receiving space and there into the area of the housing aperture. The invention further comprises a kit for a wall lead-through