Rounded Water Tank Cover Reinforcement for Pressure-Change Stability
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Solution Overview
Problem
Water tanks used in water purifiers are prone to deformation and damage due to pressure changes caused by the inflow and outflow of purified water, leading to potential contamination and malfunction.
Innovation Solution
A water tank design featuring a tank cover and body with reinforced parts to enhance rigidity, including rounded surfaces and protrusions that distribute pressure and minimize deformation without increasing volume.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the tank cover is made with a simple flat structure, then the manufacturing cost is low and the structure is simple, but the tank cover deforms under pressure changes during water inflow and outflow
Solution Approach 1:
The tank cover is designed with a rounded convex surface instead of a flat structure. This curvature allows the cover to better distribute and withstand pressure changes during water inflow and outflow, preventing deformation while maintaining structural integrity.
Solution Approach 2:
Reinforcing parts are strategically positioned at specific locations on the tank cover where stress concentration occurs. These localized reinforcements provide additional structural support without requiring the entire cover to be complex or overly thick, optimizing the balance between strength and simplicity.
2Strength
If the tank cover is made thicker to prevent deformation, then the strength increases, but the volume of the water tank increases
Solution Approach 1:
Instead of uniformly increasing the thickness of the entire tank cover, reinforcing parts are added only at specific critical locations where stress concentration occurs during pressure changes. This localized approach provides the necessary rigidity while minimizing the overall volume increase of the water tank.
Solution Approach 2:
The rounded convex shape of the tank cover inherently provides structural strength to resist pressure changes, reducing the need for excessive thickness. The curved geometry distributes stress more effectively than flat surfaces, maintaining rigidity with minimal material addition.
3Stability of the object's composition
If reinforcing parts are added to the tank cover, then the deformation is prevented, but the manufacturing complexity increases
Solution Approach 1:
Reinforcing parts are strategically positioned at specific critical locations on the tank cover where stress concentration occurs during pressure changes. This localized approach provides the necessary shape stability while minimizing the overall complexity compared to uniform reinforcement throughout the entire cover.
Solution Approach 2:
The rounded convex shape of the tank cover inherently provides structural strength to resist pressure changes, reducing the need for excessive reinforcing parts. The curved geometry distributes stress more effectively, simplifying the manufacturing process while maintaining shape stability.
Data Source
AI summary
A water tank is disclosed. According to one aspect of the present disclosure, a water tank includes a tank body having a tank body space formed therein; a tank cover configured to cover the tank body space and be coupled with the tank body; and a tank cover reinforcing part formed on the tank cover to reinforce rigidity of the tank cover, wherein the tank cover includes a tank cover surface formed to be rounded so as to be convex in a direction opposite to the tank body space, and the tank cover reinforcing part can be formed to protrude on the tank cover surface.