Deformable Clamping Body for Speedpipe Wall Penetration
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Solution Overview
Problem
Existing devices for passing cables through building walls require large wall holes and are inefficient for varying borehole angles, particularly when the borehole runs obliquely, necessitating multiple clamping body adaptations and manual drilling with significant labor and potential for uneven hole courses.
Innovation Solution
A device featuring a deformable thermoplastic inner clamping body and an articulated perforated tube connected to the outer clamping body, allowing for tight contact with the wall at any angle, along with a tubular section and frame-like design for secure insertion and sealing, and a perforated tube for sealing substance containment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a large diameter wall bore is used for passing cables, then the cable can be easily passed through, but the drilling effort and time required increase significantly
Solution Approach 1:
The clamping body is designed with a deformable inner clamping element made of thermoplastic material that can adapt its shape to match the actual bore path, whether horizontal or oblique, eliminating the need for pre-adapted clamping bodies for different angles and reducing drilling time
Solution Approach 2:
The invention changes the wall bore diameter parameter from the conventional large diameter (40mm+) to a smaller diameter (20-25mm) suitable for speedpipes, while compensating for the tighter constraints through the deformable clamping mechanism that ensures proper sealing and fastening despite the reduced bore size
2Adaptability or versatility
If the wall bore runs at a varying angle, then installation flexibility is improved, but the clamping body cannot be pressed tightly against the wall without adaptation
Solution Approach 1:
The inner clamping element is made deformable through using thinner wall sections in specific areas, allowing it to bend and conform to oblique bore paths while maintaining tight contact with the wall surface, eliminating the need for multiple adapted clamping body designs
Solution Approach 2:
The single clamping body design with deformable inner element serves multiple functions: it clamps the speedpipe, seals against the wall, and adapts to different bore angles (horizontal or oblique), replacing the need for multiple specialized clamping bodies for different installation scenarios
3Loss of time
If manual drilling is used for small diameter bores, then drilling effort is reduced, but the bore path becomes uneven and varies in angle
Solution Approach 1:
The deformable inner clamping element compensates for bore path variations by adapting its shape to match the actual drilled path, whether uniform or uneven, ensuring proper sealing and fastening without requiring high drilling precision
Solution Approach 2:
The design anticipates and compensates for potential drilling inaccuracies by incorporating a deformable clamping element that can absorb and adapt to variations in bore path angle and uniformity, ensuring reliable installation despite manual drilling limitations
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
Enables efficient and secure fastening and sealing of speed pipes through wall holes of varying diameters and angles, reducing labor and ensuring effective sealing without the need for multiple clamping body adaptations, while maintaining a compact and adaptable design.
Implementation Method 1
a filling substance that is initially flowable, then foams up and hardens, is poured into this perforated pipe. This substance emerges from a multitude of small holes distributed around the circumference of the surrounding pipe and fills cavities in the wall opening
Implementation Method 2
The inner clamping element preferably consists of a thermoplastic material that, at defined points, is deformable or bendable... such that the inner clamping element can be pressed tightly against the building wall
Data Source
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AI summary
A device for passing at least one conductor through a wall bore (1) leading through a building wall comprises an outer clamping body (3) covering the bore on the outside of the building (2) and abutting the building wall (1), which has a hole for passing the conductor, and an inner clamping body (8) covering the bore on the inside of the building and abutting the building wall (1), through which the conductor can be passed, wherein both clamping bodies (3, 8) have means for clamping the conductor passed through them, wherein the conductor is at least one speedpipe (4) without a surrounding protective tube, wherein the inner clamping body (8) has a flexible section, wherein a perforated tube (6) is connected to the inside of the outer clamping body (3), which surrounds the speedpipe (4) in the bore at least over a portion of its length at a radial distance and is connected to the outer clamping body (3), and wherein the clamping bodies (3,8) can be pressed tightly against the building wall (1) both when drilling horizontally and at an angle to it through the building wall (1).