Liquid Container Convex Protection for Recycled Plastic Impact Strength
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Solution Overview
Problem
Recycled plastic materials used in large-capacity liquid storage containers for inkjet recording apparatuses exhibit reduced impact absorption properties, leading to potential chipping or breaking of protruding portions upon accidental drops, which can destabilize the connection with the apparatus.
Innovation Solution
A liquid storage container design incorporating a protective member made of recycled plastic material or a resin mixed with recycled plastic, featuring a convex central portion on its side surface to absorb external impacts, thereby enhancing impact strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If recycled plastic materials are used for molding large-capacity liquid storage containers, then environmental sustainability is improved, but impact absorption performance deteriorates
Solution Approach 1:
The protective member is designed with a specific geometric structure featuring a convex shape at its center portion, creating localized structural reinforcement. This local quality enhancement allows the recycled plastic material to achieve sufficient impact absorption at critical areas without requiring overall material strength improvement, thus resolving the contradiction between environmental sustainability and impact performance.
Solution Approach 2:
The protective member with its convex-centered structure acts as a pre-designed cushioning element that absorbs impact energy before it reaches the storage container body. This beforehand cushioning mechanism protects the container from impact damage while using recycled materials, addressing both environmental concerns and impact absorption requirements.
2Ease of manufacture
If recycled plastic materials are used for the protective member, then material cost and sustainability are improved, but impact strength is reduced
Solution Approach 1:
Instead of requiring uniformly high-strength material throughout, the invention uses recycled plastic material with localized structural enhancement through the convex-shaped protective member. This approach maintains material cost advantages of recycled plastics while achieving sufficient impact strength at critical protection points.
Solution Approach 2:
The protective member combines recycled plastic material with an optimized geometric structure (convex shape), creating a composite solution that leverages both the cost benefits of recycled materials and the mechanical advantages of the structured design to achieve adequate impact strength.
Data Source
AI summary
A liquid storage container includes a storage member having a storage unit for storing a liquid and a supply unit for supplying the liquid stored in the storage unit to an outside, and a protective member capable of being assembled to one end portion of the storage member, wherein the protective member contains a recycled plastic material or a resin material mixed with a recycled plastic material, and has an opening configured to expose the supply unit, and wherein as the liquid storage container is viewed from a side on which the supply unit is provided, a central portion of a first side surface that is farthest from the supply unit exposed through the opening among side surfaces of the protective member has a convex shape in a direction farther away from the supply unit than an end portion.