Hydraulic Coupling Assembly With Guided Valve Sealing
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Solution Overview
Problem
Existing hydraulic coupling devices have cumbersome and time-consuming assembly processes due to multiple parts, poor guidance between valve components, and inadequate sealing rings, leading to malfunctions and hydraulic fluid leakage.
Innovation Solution
A hydraulic coupling device with a simplified design featuring a male coupling unit with a poppet valve device, guide device, and spring, where the guide device has a thread surface for locking and lead-through channels, and a female coupling unit with variable diameter sealing rings to enhance sealing and reduce assembly complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the valve device comprises multiple parts (poppet device, guide device, spring, circlip), then the sealing function can be achieved, but the assembly process becomes cumbersome and time-consuming
Solution Approach 1:
The patent combines the guide device and poppet device into a integrated valve assembly where the guide device forms part of the poppet device structure. This merging reduces the number of separate parts that need to be assembled while maintaining the sealing function through the integrated design of the valve seat, poppet, and guide elements.
Solution Approach 2:
The guide device serves multiple functions: it guides the poppet device during operation, provides structural support, and integrates with the valve seat to maintain sealing. This multi-functionality reduces the need for separate dedicated components, simplifying the overall assembly process.
2Device complexity
If the guidance between poppet device and fixedly mounted part is enabled solely via a guide pin, then the structure is simple, but the poppet device may be tilted in relation to the fixedly mounted part
Solution Approach 1:
The patent transitions from single-point guidance via a guide pin to multi-point guidance through a guide device with multiple contact surfaces and engagement points. This dimensional expansion of the guidance mechanism provides stability in multiple directions, preventing tilting while maintaining reasonable structural complexity.
Solution Approach 2:
The guide device acts as an intermediary element between the poppet device and the fixedly mounted part. It provides a controlled interface that ensures proper alignment and prevents tilting, mediating the interaction between the moving and stationary components.
3Ease of manufacture
If the circlip is used to fix the fixedly mounted part to the male coupling unit, then the assembly is simple, but the circlip may be brought out of position causing malfunction and leakage
Solution Approach 1:
The guide device provides beforehand cushioning by establishing stable guidance and positioning before the circlip is installed. This pre-positioning ensures that the circlip remains in its correct position during operation, preventing the malfunction and leakage issues that arise when the circlip becomes dislodged.
Solution Approach 2:
The guide device serves as an intermediary that stabilizes the assembly between the fixedly mounted part and the male coupling unit. It provides continuous guidance and support that prevents the circlip from being brought out of position, supplementing the circlip's fixation function.
4Ease of manufacture
If o-rings are used for sealing in coupling units, then the sealing is simple to implement, but the flexibility of o-rings may cause them to release from position causing leakage and malfunction
Solution Approach 1:
The guide device provides beforehand cushioning by establishing stable guidance and positioning before the circlip is installed. This pre-positioning ensures that the circlip remains in its correct position during operation, preventing the malfunction and leakage issues that arise when the circlip becomes dislodged.
Solution Approach 2:
The guide device serves as an intermediary that stabilizes the assembly between the fixedly mounted part and the male coupling unit. It provides continuous guidance and support that prevents the circlip from being brought out of position, supplementing the circlip's fixation function.
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 reduces the risk of malfunction and leakage by simplifying assembly, improving guidance, and providing enhanced sealing capabilities, resulting in a more reliable hydraulic coupling device.
Implementation Method 1
a spring device, wherein a first end of the spring device is supported by the poppet device and a second end of the spring device is supported by the guide device
Data Source
AI summary
A hydraulic coupling device includes a female coupling unit comprising a female coupling body, a holding block, a guiding ring, and an expanding ring for fixedly arranging the female coupling unit to the holding block 50 in an opening of the holding block, wherein the guiding ring comprises an outer surface for fixedly arranging the guiding ring to the holding block, wherein a seat is provided in the opening for supporting the expanding ring, wherein the female coupling unit is adapted to be fixedly arranged to the holding block by being suspended between the guiding ring and the seat, wherein the expanding ring is arranged as a support between the female coupling unit and the seat.