Short-Body Fluid Coupling Connector Radial Locking
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Solution Overview
Problem
Existing fluid coupling connectors are too long when attached to rigid, immovable parts like cylinder valves, due to the sequential arrangement of locking and threaded components, which complicates assembly and increases length.
Innovation Solution
The locking means are rearranged to be radial to the internal thread, reducing the overall length of the plug, and integrated sealing means are incorporated into the base body, allowing for a shorter design and improved assembly with a snap ring and O-ring sealing system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the locking groove is arranged in the axial extent of the base body before the start of the internal thread, then the plug can be locked in the socket, but the connector becomes too long for rigid immovable parts
Solution Approach 1:
The locking means are relocated from the axial direction to the radial direction, allowing them to be arranged at the height of the internal thread rather than before it axially. This dimensional repositioning enables the locking groove and internal thread to overlap in the axial direction while being separated radially, significantly reducing the overall connector length without compromising locking functionality
2Device complexity
If the locking means and internal thread are arranged sequentially in the axial direction, then the plug structure is simple, but the overall length increases making assembly difficult
Solution Approach 1:
The locking means and internal thread are merged in the axial direction by positioning them at the same height, allowing them to overlap rather than be sequentially arranged. This merging reduces the axial length of the base body while maintaining both locking and threading functions, making the connector more suitable for assembly with rigid immovable parts
3Length of moving object
If the sealing means are integrated into the base body, then the connector length is reduced, but the sealing reliability must be maintained
Solution Approach 1:
The sealing means are nested within the base body structure, with the sealing element positioned in a groove within the base body. This nesting approach integrates the sealing function into the existing base body without requiring additional external sealing components, thereby reducing overall length while maintaining sealing effectiveness through proper positioning and material selection
Data Source
AI summary
The invention relates to a short-body connector for fluid couplings made of a sleeve-shaped base body. In the sleeve-shaped base body an internal thread is provided, by means of which the connector can be screwed onto a threaded connection. Relative to the axial extension, the locking groove and locking rib serving to hold the connector in the bushing part are located at the height of the thread. In other words, the locking rib and locking groove located ahead of the thread in the state of the art have moved to the region of the thread in the arrangement according to the invention.