Reusable Drinking Straw with Nested Casing and Magnetic Coupling

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Solution Overview

Problem

Single-use plastic straws cause significant environmental damage and wildlife harm, necessitating a convenient and clean reusable drinking straw system that is easy to carry and maintain.

Innovation Solution

A reusable drinking straw system comprising an upper and lower cover with a flexible straw, a baffle wall, central pole, and coupling parts, including a magnet and metal for secure connection, along with a groove and buckle system for retaining the straw and a brush for cleaning, designed to keep the straw clean and secure.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If a reusable straw system is created to replace single-use plastic straws, then environmental impact is reduced, but the system becomes more complex and harder to carry

Engineering Contradiction:
Improveenvironmental impactVSAvoidsystem complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The flexible straw is nested within the casing structure, specifically positioned within the baffle wall enclosure. The straw can be stored inside the lower cover's internal space, with the baffle wall creating a dedicated compartment. This nesting approach allows the complete reusable straw system to be compact when not in use, making it easy to carry while maintaining all necessary components for reusability.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The reusable straw system is divided into separable components: an upper cover, a lower cover, and a flexible straw. The lower cover itself is segmented with a baffle wall creating distinct compartments. This segmentation allows users to carry only the necessary parts, easily clean individual components, and assemble/disassemble as needed, reducing the perceived complexity while maintaining functionality.

Inventive Principle:
Principle #1Segmentation

2Object-affected harmful factors

If a reusable straw system is created to replace single-use plastic straws, then environmental impact is reduced, but the ease of operation decreases

Engineering Contradiction:
Improveenvironmental impactVSAvoidease of use
Core Design Contradiction:
Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The system incorporates a flexible straw that can dynamically adapt to different drinking positions and angles. The flexibility allows the straw to bend and conform to user needs, making operation as intuitive as using a rigid straw. The flexible nature also facilitates easy cleaning and storage, improving overall ease of operation despite the reusable design.

Inventive Principle:
Principle #15Dynamics

3Reliability

If the lower cover includes a baffle wall and central pole structure, then the straw is kept secure and clean, but the device complexity increases

Engineering Contradiction:
Improvestraw security and cleanlinessVSAvoidcasing structure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The baffle wall and central pole create a localized structured environment within the lower cover, providing specific functional zones: one area for securing the straw in place, another for cleaning access, and a central support structure. This local quality approach ensures that each part of the lower cover serves a specific purpose for straw security and hygiene without requiring the entire structure to be complex.

Inventive Principle:
Principle #3Local quality

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The system effectively keeps the straw clean and secure, reducing environmental impact by providing a convenient and hygienic alternative to single-use straws, ensuring easy assembly and disassembly for carrying.

Implementation Method 1

the first coupling part (11) further comprising a magnet, and the second coupling part (12 further comprising a metal

Methodology Applied
Scientific EffectMagnetic attraction: Magnetism

Data Source

PatentUS11464306B2Reusable drinking straw system
Publication Date: 2022.10.11 PENG PANDIAN
  • US11464306B2 patent drawing
  • US11464306B2 patent drawing
  • US11464306B2 patent drawing

AI summary

A reusable drinking straw system, comprising an upper cover a lower cover, a flexible straw, wherein the lower cover is internally provided with a baffle wall and a central pole, wherein the lower cover further comprising a positioning wall, wherein a straw groove is formed between the upper cover, wherein the flexible straw is capable of being disposed in the straw groove, wherein the flexible baffle wall further comprising an opening, wherein the flexible straw has a first distal end and a second distal end, wherein the first distal end and second distal end of the flexible straw protrudes pass the opening and wedges between the baffle wall and the central pole.