Quick-Coupling Depressurization Valve Assembly for Residual Pressure Relief
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Solution Overview
Problem
Existing hydraulic systems face challenges with residual pressure in quick coupling connections and disconnections, which complicates the process and may require tools, potentially damaging the couplings.
Innovation Solution
A hydraulic pressure relief depressurization valve assembly that allows pressure relief during connection and disconnection actions through a single depressurization direction, enabling easier handling and installation of hoses in hydraulic systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a quick coupling system is used to allow connection and disconnection without tools, then ease of operation is improved, but residual pressure in the line causes difficulty in connection and disconnection
Solution Approach 1:
The depressurization valve is activated before connection or disconnection of the quick coupling to release residual pressure in advance. This preliminary action removes the harmful pressure that would otherwise obstruct the coupling operation, allowing tool-free connection and disconnection to proceed smoothly.
Solution Approach 2:
A depressurization valve assembly is introduced as an intermediary component between the hydraulic line and the quick coupling. This mediator releases residual pressure through a controlled mechanism, enabling the quick coupling to function properly without the harmful effect of trapped pressure.
2Object-affected harmful factors
If tools are used to relieve pressure and facilitate connection, then residual pressure is reduced, but the couplings may be damaged
Solution Approach 1:
The system includes an integrated depressurization valve that automatically or manually releases residual pressure through its own mechanism without requiring external tools. This self-service approach protects the coupling integrity by using a dedicated pressure relief pathway rather than forcing tool-based pressure release that could damage the couplings.
3Ease of operation
If lines are manipulated to relieve pressure, then connection is facilitated, but system complexity increases
Solution Approach 1:
The pressure relief function is extracted as a separate, dedicated depressurization valve assembly rather than being integrated into the complex manipulation of lines. This extraction simplifies the overall system by providing a specific, straightforward mechanism for pressure relief without requiring complex line manipulation procedures.
4Object-affected harmful factors
If a depressurization valve is integrated into the quick coupling body, then pressure relief is achieved, but adaptability to different quick coupling models is reduced
Solution Approach 1:
The depressurization valve is designed as a separate, modular assembly that can be independently installed on different quick coupling models rather than being integrated into the coupling body itself. This segmentation allows the pressure relief function to be added to various quick coupling types without requiring redesign of the coupling models, maintaining adaptability while achieving pressure relief.
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 facilitates easier and more efficient connection and disconnection of hoses under pressure, reducing the risk of damage and allowing the use of any quick-coupling model, thereby enhancing the versatility and ease of maintenance in hydraulic systems.
Implementation Method 1
a spring arranged in a depression formed in the intermediate sleeve
Implementation Method 2
a set of directional holes formed in the relief valve... allowing the relief valve to relieve the pressure from the line
Data Source
AI summary
The hydraulic pressure relief depressurization valve assembly for quick coupling which is object of the present invention comprises a depressurization valve assembly (100) and (200) that can be assembled in any quick coupling that has a directional body (10) and (60), generally fixed to a manifold with access to the tank (20), an intermediate sleeve (30) and (80) and a port (40) for connection to the hydraulic system, inside which is a relief valve (50) and (90), that moves axially, provided with directional holes that make it possible to relieve the pressure during the connection and disconnection action (during the manual push and pull movement), so as to minimize the pressure forces and facilitate the installation and replacement or changing of hoses on the hydraulic line.