Hose Clip Pre-positioning Device for Corrugated Hose Assembly

Solution Overview

Problem

The manufacturing and assembly of corrugated hoses with clamps and pressure rings are complex and costly, requiring additional steps and materials to achieve desired flexural rigidity, bursting pressure, and sound absorption.

Innovation Solution

A device for pre-positioning a hose clamp on a corrugated hose serves as the first integrated pressure ring, utilizing contact elements that engage with the hose's constrictions and folds to provide static friction and positive positioning, reducing the need for separate pressure rings and simplifying assembly by integrating functions such as static friction, radial rigidity, and sound absorption.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If separate pressure rings are introduced into constrictions to increase flexural rigidity and bursting pressure, then the structural strength is improved, but the manufacturing complexity and assembly steps increase

Engineering Contradiction:

Improvebursting pressureVSAvoidassembly steps

Core Design Contradiction:

StrengthVSDevice complexity

Solution Approach 1:

The pre-positioning device is merged with the first pressure ring function by integrating a contact element that simultaneously serves as both the pre-positioning mechanism and the pressure ring. This eliminates the need for separate pressure ring components and their installation steps, while maintaining the bursting pressure enhancement function.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The pre-positioning device is designed to perform multiple functions: it positions the hose clamp during assembly, provides the first pressure ring function for bursting pressure, and maintains flexural rigidity. This multi-functionality reduces the total number of components needed in the hose assembly.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Stability of the object's composition

If separate pressure rings are introduced into constrictions to increase flexural rigidity, then the radial stiffness is improved, but the manufacturing costs increase

Engineering Contradiction:

Improveflexural rigidityVSAvoidmanufacturing costs

Core Design Contradiction:

Stability of the object's compositionVSEase of manufacture

Solution Approach 1:

The pre-positioning device is merged with the first pressure ring function by integrating a contact element that simultaneously serves as both the pre-positioning mechanism and the pressure ring. This eliminates the need for separate pressure ring components and their installation steps, while maintaining the bursting pressure enhancement function.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The pre-positioning device is designed to perform multiple functions: it positions the hose clamp during assembly, provides the first pressure ring function for bursting pressure, and maintains flexural rigidity. This multi-functionality reduces the total number of components needed in the hose assembly.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Stress or pressure

If separate pressure rings are introduced into constrictions to increase bursting pressure, then the pressure resistance is improved, but the assembly effort increases

Engineering Contradiction:

Improvebursting pressureVSAvoidassembly effort

Core Design Contradiction:

Stress or pressureVSProductivity

Solution Approach 1:

The pre-positioning device is merged with the first pressure ring function by integrating a contact element that simultaneously serves as both the pre-positioning mechanism and the pressure ring. This eliminates the need for separate pressure ring components and their installation steps, while maintaining the bursting pressure enhancement function.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The pre-positioning device is designed to perform multiple functions: it positions the hose clamp during assembly, provides the first pressure ring function for bursting pressure, and maintains flexural rigidity. This multi-functionality reduces the total number of components needed in the hose assembly.

Inventive Principle:

Principle #6Universality (Multi-functionality)

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

This solution simplifies the assembly process, reduces material costs, enhances the hose's radial rigidity, and allows for easier handling and positioning of the hose clamp, while maintaining flexibility and acoustic performance.

Implementation Method 1

the contact of the first contact element or the integrated pressure ring with the surface of the corrugated tube creates such a non-positive connection through static friction that the device for pre-positioning relative to the corrugated tube is reliably prevented from twisting about the longitudinal axis

Methodology Applied

Scientific EffectStatic friction: Static Friction

Data Source

PatentEP2899442B1Device for prepositioning a hose clip on a corrugated hose

Publication Date: 2020.07.01 CONTITECH MGW GMBH

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AI summary

The present invention relates to a device for pre-positioning (1) a hose clamp (2) on a corrugated hose (3). This device is characterized by a first contact element (12) which is designed to engage in a first constriction (30a) of the corrugated hose (3) and/or to engage a first fold (31a) of the corrugated hose (3).