Shock Absorber Retainer Seat Geometry for Fluid Flow Control
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Solution Overview
Problem
Conventional shock absorber retainers allow for rapid fluid flow due to their circular seat portion design, leading to deteriorated ride comfort.
Innovation Solution
A retainer design with a seat portion featuring at least two points spaced apart by different distances from the central axis, forming a rotationally symmetrical or asymmetrical shape, and including through holes and a partition wall to control fluid flow and prevent sudden fluid introduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the seat portion is formed in a circular shape, then the structure is simple and easy to manufacture, but the fluid flows rapidly into the disc side causing deteriorated ride comfort
Solution Approach 1:
The seat portion is designed with an asymmetric shape where at least two points on the seat portion are spaced apart from the central axis by different distances. This asymmetric configuration creates non-uniform fluid flow paths, preventing simultaneous spacing of all disc parts from the retainer, thereby controlling fluid introduction speed and improving ride comfort while maintaining manufacturing feasibility.
2Ease of operation
If the seat portion is formed in a circular shape, then all parts of the disc are simultaneously spaced apart from the retainer, but this causes rapid fluid introduction and deteriorated ride comfort
Solution Approach 1:
The asymmetric seat portion design ensures that different radial distances from the central axis create staggered spacing timing for various disc portions. This prevents simultaneous disc spacing, controlling the fluid introduction rate and improving ride comfort while still allowing the disc to space apart from the retainer as required.
3Reliability
If the seat portion has points at different distances from the central axis, then fluid flow is controlled and ride comfort is improved, but the structural complexity increases
Solution Approach 1:
The asymmetric seat portion configuration provides effective fluid flow control through its non-circular geometry, while the overall retainer structure remains relatively simple. The design achieves improved ride comfort without requiring complex additional components or mechanisms.
Data Source
AI summary
A retainer for a shock absorber is provided. The retainer includes a central hole, a protrusion portion, at least one through hole formed outside a radius of the protrusion portion, and a seat portion protruding outside a radius of the through hole, in which at least two points on the seat portion are spaced apart from each other by different distances from a central axis vertically penetrating the central hole, the seat portion forms a rotationally symmetrical shape with respect to the central axis, and the seat portion forms an outer periphery.