Stepped Slope Gasket Mounting for Reliable Fluid Sealing
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Solution Overview
Problem
Conventional gasket-mounting structures require careful external force application to ensure a tight seal between the reverse-tapered face of a fluid device and the tapered face of a gasket, making the sealing process cumbersome and prone to errors.
Innovation Solution
The gasket and fluid device feature annular attaching portions with slopes that include multiple pressing and pressed areas, such as annular steps or protrusions, which facilitate a secure and easy sealing by allowing the slopes to interlock and form sealing areas when pressed together.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If parallel planes are pressed against each other to form a sealing area, then a seal is achieved, but careful mounting and precise external force application are required
Solution Approach 1:
The sealing surface is segmented into multiple pressing areas with different diameters arranged along the slope. This segmentation allows different regions to be pressed at different stages, ensuring complete sealing without requiring precise control of overall mounting force. The pressing areas are divided into a first pressing area with larger diameter and a second pressing area with smaller diameter, enabling sequential engagement.
Solution Approach 2:
The slope structure performs preliminary action by guiding the gasket onto the fluid device and pre-positioning the pressing areas. As the gasket is mounted, the slope automatically engages the pressing areas in sequence, with the first pressing area engaging before the second pressing area. This preliminary engagement ensures proper alignment and force distribution before final tightening.
2Reliability
If external force is applied to press the reverse-tapered face and tapered face together, then sealing is achieved, but the process is cumbersome and prone to errors
Solution Approach 1:
The slope replaces the conventional parallel plane configuration with an inclined surface. This curved/angled geometry transforms the mounting process by allowing automatic engagement through the slope itself, eliminating the need for complex external forcing mechanisms. The inclined surface naturally guides the gasket into position and distributes the pressing force along the slope direction.
Solution Approach 2:
The slope structure enables self-service mounting where the gasket and fluid device automatically engage and seal each other through the inclined geometry. The pressing areas on the slope self-align and self-press as the gasket is mounted, without requiring external tools or complex forcing mechanisms. The system serves itself by converting simple mounting motion into effective sealing force.
Data Source
AI summary
A structure allowing a gasket to be mounted on a fluid device is provided. The gasket includes an annular attaching portion that has a first slope at an axial end. The fluid device includes an annular attached portion with a second slope that contacts the first slope. The first slope at least partially includes two or more pressing areas, which are partitioned by annular steps. The second slope at least partially includes two or more pressed areas, which are partitioned by annular steps to fit the steps between the pressing areas.