Hinged Corrugated Hose with Dual-Material Lip
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Solution Overview
Problem
Existing collapsible corrugated hoses for accommodating lines, such as electrical cables, face issues with material compatibility and durability, particularly during assembly and operation, where the hose's material can cause damage to the lines due to contact and mechanical stress.
Innovation Solution
A collapsible corrugated hose design featuring a first and second corrugated hose shell pivotably connected at a joint section, with a lip section made of a different material than the shells, providing a softer, chemically distinct material for protection against damage, and a latching mechanism to prevent unintentional unfolding, while using two-component extrusion for production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the lip section is made of the same material as the corrugated hose shells, then the manufacturing process is simplified, but the lines are damaged by contact with the lip section during assembly and operation
Solution Approach 1:
The lip section is made of a different material (softer material) than the corrugated hose shells to provide locally different properties. This resolves the contradiction by making the lip section softer to prevent line damage, while accepting the increased manufacturing complexity of using multiple materials.
Solution Approach 2:
The corrugated hose is constructed with composite materials - the hose shells are made of one material while the lip section is made of a different, softer material. This allows the lip section to protect lines from damage while the harder shells provide structural integrity, resolving the contradiction between manufacturing simplicity and line protection.
2Device complexity
If the corrugated hose is designed without a latching mechanism, then the device complexity is reduced, but the hose unintentionally unfolds during operation
Solution Approach 1:
The latching mechanism is designed to automatically engage and lock the corrugated hose in its collapsed state without requiring external intervention. The mechanism self-activates when the hose is compressed, providing reliable locking while maintaining relatively simple construction.
3Object-affected harmful factors
If the lip section is made of softer material to protect lines, then the lines are protected from damage, but the manufacturing complexity increases due to material differentiation
Solution Approach 1:
The lip section is made of a different material (softer material) than the corrugated hose shells to provide locally different properties. This resolves the contradiction by making the lip section softer to prevent line damage, while accepting the increased manufacturing complexity of using multiple materials.
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 design effectively protects lines from damage during assembly and operation by using a softer material for the lip section and preventing mechanical stress through diameter differences and latching, enhancing durability and operational reliability.
Implementation Method 1
The openable corrugated hose is produced by two-component extrusion
Data Source
Figure 1
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Figure 4
AI summary
The present invention provides a hinged corrugated hose (1) for receiving cables, comprising: a first corrugated hose shell (10), a second corrugated hose shell (11), a hinge section (14) in which the first corrugated hose shell (10) and the second corrugated hose shell (11) are pivotably connected to each other at a first end section (12, 13), and a lip section (17, 18) which is provided at a second end section (15, 16) of at least one of the corrugated hose shells (10, 11), wherein the lip section (17, 18) is made of a different material than the corrugated hose shells (10, 11).