Flow Control Valve Safety Coupling With Integrated Rotary Locking
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Solution Overview
Problem
Existing flow control valves with safety couplings are complex and costly due to the use of lever systems or kinematic systems, which increase the number of components and space occupation.
Innovation Solution
A flow control valve design featuring a hollow valve body with a flow control element and a second open tubular portion that rotates for engagement or disengagement using complementary mutual coupling portions, including a seat and engagement body, allowing for a simple and reliable bayonet coupling mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If lever systems or kinematic systems are used for connection between the output duct and the actuation body, then the flow control valve achieves reliable operation, but the device complexity increases due to a larger number of components
Solution Approach 1:
The patent combines the coupling portion with the actuation body into a single integrated structure. The coupling portion is formed as an integral part of the actuation body, eliminating the need for separate lever systems or kinematic systems. This merging reduces the number of components while maintaining the reliable connection between the output duct and the actuation mechanism.
2Reliability
If lever systems or kinematic systems are used for connection, then the flow control valve achieves reliable operation, but the space occupation increases
Solution Approach 1:
By integrating the coupling portion directly into the actuation body, the patent eliminates the need for separate mechanical linkages that would occupy additional space. The compact integrated design reduces the overall volume required for the valve mechanism while ensuring reliable operation through the direct connection.
3Reliability
If multiple components are used in the connection system, then the flow control valve achieves reliable operation, but the manufacturing costs increase
Solution Approach 1:
The integration of the coupling portion with the actuation body reduces the total number of components that need to be manufactured and assembled. This simplification of the component structure directly reduces manufacturing complexity and costs while maintaining the reliable operational connection through the unified design.
Data Source
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AI summary
A flow control valve (1) with safety coupling, comprising a hollow valve body (10) provided with at least one first open tubular portion (11) for fluid intake and at least one second open tubular portion (12) for fluid discharge, a flow control element (2) which is accommodated in the hollow valve body (10) and is movable between at least one flow intake position and a flow control position, a stem (3) for the movement of the flow control element (2) which can be actuated by means of an actuation element (4); the second open tubular portion (12) is able to rotate about its own axis of extension (101) in order to produce engagement or disengagement with a safety coupling associated with a delivery duct of the fluid. The second open tubular portion (12) and the flow control element (12) have respective mutual coupling portions (30) which are shaped complementarily and are designed, when the flow control element (2) is in the intake position, to determine the locking of the second open tubular portion (12) around its axis of extension (101); when the flow control element (2) is in the flow control position the mutual coupling portions (30) are mutually uncoupled so as to allow the rotation of the open tubular portion (12) about the axis of extension (101).