Hydraulic Cylinder Top End Cap With Snap Ring Locking
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Solution Overview
Problem
Existing hydraulic cylinder end caps require threading into the cylinder, which is costly and time-consuming, and do not utilize a snap ring for secure locking.
Innovation Solution
A hydraulic cylinder top end cap designed with a snap ring groove and O ring grooves, allowing secure locking into a hydraulic cylinder without threading, thereby simplifying the manufacturing process and reducing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If threading is used to secure the end cap to the hydraulic cylinder, then the connection strength is improved, but the manufacturing cost and time increase
Solution Approach 1:
The end cap is segmented into two functional parts: a threaded portion for secure attachment to the hydraulic cylinder, and a non-threaded portion that protrudes to engage with the snap ring. This segmentation allows the end cap to achieve both strong threaded connection and quick snap-ring installation, resolving the contradiction between connection strength and manufacturing ease.
2Reliability
If threading is used to secure the end cap, then the reliability of the connection is improved, but the manufacturing complexity increases
Solution Approach 1:
By dividing the end cap into threaded and non-threaded portions, the design maintains reliable threaded connection while simplifying the overall manufacturing process. The snap ring engagement portion eliminates the need for complex threading operations on the entire end cap, reducing manufacturing complexity while preserving connection reliability through the threaded portion.
3Ease of operation
If a snap ring groove is added to enable snap ring locking, then the ease of installation is improved, but the device complexity increases
Solution Approach 1:
The snap ring groove is integrated into the non-threaded portion of the end cap, creating a clear functional segmentation. This allows the snap ring to engage with the protruding non-threaded portion for quick installation, while the threaded portion remains dedicated to secure attachment. The groove design is simple and straightforward, adding minimal complexity while dramatically improving ease of installation.
Data Source
AI summary
There is an outer surface having a first upper O ring groove and a second lower O ring groove. The outer surface has a pressure line aperture therein. The outer surface has a snap ring groove and a third sweep O ring groove. The top end cap has a lower portion and an upper portion. The pressure line aperture has a thread. The inner surface forms a passageway through the length of the top end cap.