Anti-Rotational Hose Coupling Prevents Vibration Loosening
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Solution Overview
Problem
Fluid transfer systems experience leakage due to loosening of threaded couplings under vibration and pressure fluctuations, which is exacerbated by the incompatibility of existing anti-rotational solutions with flexible hoses, leading to pressure loss and fluid wastage.
Innovation Solution
A hose assembly featuring anti-rotational elements with crimping and clamping mechanisms to securely connect flexible hoses, preventing relative rotation and axial displacement, thereby maintaining a sealed connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional threaded joints are used to connect coupling members to flexible hoses, then the assembly can be easily manufactured and installed, but the threaded couplings loosen under vibration and pressure fluctuations causing leakage
Solution Approach 1:
The coupling member is divided into two functional parts: a threaded portion for connection and an anti-rotational element for preventing loosening. This segmentation allows each part to perform its specific function optimally while working together to solve the overall problem of connection stability under vibration and pressure fluctuations
Solution Approach 2:
The anti-rotational element features asymmetric teeth with different engagement surfaces that create directional resistance to rotation. When the clamping ring applies compressive force, the teeth engage in a way that prevents loosening while allowing controlled tightening, providing asymmetric mechanical advantage to maintain connection stability
2Reliability
If existing anti-rotational solutions are applied to flexible hose connections, then rotation prevention is achieved, but the solution is incompatible with flexible hose geometry and crimping mechanisms
Solution Approach 1:
The anti-rotational element is designed with specific local characteristics: teeth positioned at the interface between coupling members, a clamping ring with threaded engagement, and a geometry that accommodates the flexible hose crimping mechanism. These localized features ensure anti-rotational effectiveness while maintaining compatibility with flexible hose connection requirements
Solution Approach 2:
The coupling member design integrates multiple functions into a single component: threaded connection for assembly, anti-rotational teeth for preventing loosening, and compatibility with crimping mechanisms for flexible hose attachment. This multi-functionality allows the same structure to work across different connection types while maintaining adaptability to flexible hose geometries
3Quantity of substance
If threaded coupling members are used in high pressure systems, then fluid transmission capability is achieved, but pressure-induced torsional forces cause the couplings to loosen and leak
Solution Approach 1:
The anti-rotational element with engaged teeth creates preliminary resistance to torsional forces before loosening can occur. The clamping ring pre-loads the connection with compressive force, and the tooth geometry is designed to counteract the direction of loosening torque generated by high pressure and vibration, preventing the harmful effect before it manifests
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 hose assembly effectively prevents loosening and leakage by constraining rotation and translation of the flexible hose, ensuring reliable fluid transmission even under high pressure and vibration conditions.
Implementation Method 1
a crimping element on a second end. The crimping element may be configured to receive a first flexible hose
Implementation Method 2
A clamping ring may retain the first ends of the first and the second coupling members together
Data Source
AI summary
A flexible hose assembly is disclosed. The flexible hose assembly has a first coupling member with a first anti-rotational element on a first end and a crimping element on a second end, the crimping element being configured to receive a first flexible hose. The flexible hose assembly also has a second coupling member with a second anti-rotational element on a first end, the second anti-rotational element being configured to mate with the first anti-rotational element. The flexible hose assembly also has a clamping ring configured to retain the first ends of the first and the second coupling members together.