Self-Supporting Toothbrush Cover to Keep Bristles Off Surfaces
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Solution Overview
Problem
Traditional toothbrushes have exposed heads and bristles that can come into contact with surfaces when not in use, leading to potential contamination.
Innovation Solution
A self-supporting and concealing toothbrush design featuring a stand or cover that elevates or encloses the bristles when not in use, preventing contact with surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the toothbrush head and bristles are exposed during storage, then the structure is simple and easy to manufacture, but the bristles may come into contact with surfaces and become contaminated
Solution Approach 1:
The toothbrush is divided into functional segments: a self-supporting structure (stand) that elevates the head, and a separate self-concealing structure (cover) that encloses the bristles. This segmentation allows each component to perform its specific protective function while maintaining overall structural simplicity
Solution Approach 2:
The self-concealing cover is designed to enclose the bristles within a protective housing that integrates with the toothbrush body. The cover nests over the head portion, creating a protective enclosure without requiring a completely separate complex assembly mechanism
2Object-affected harmful factors
If a self-supporting structure is added to elevate the bristles, then the bristles are protected from surface contact, but the device complexity increases
Solution Approach 1:
The self-supporting stand incorporates a rotatable bar structure that can pivot between different positions. When the toothbrush is placed upright, the stand extends to elevate the head; when laid down, the stand folds against the body. This dynamic adaptability provides protection only when needed, reducing unnecessary structural complexity
Solution Approach 2:
The stand is designed to automatically assume its support function when the toothbrush is placed on a surface. The gravitational force and geometric configuration cause the stand to extend and elevate the bristles without requiring active user intervention or complex mechanical actuators
3Object-affected harmful factors
If a self-concealing cover is added to enclose the bristles, then the hygiene is improved, but the ease of operation is reduced
Solution Approach 1:
The self-concealing cover is pre-positioned to automatically enclose the bristles when the toothbrush is placed in its resting position. The cover's geometric design and the stand's elevation action work together to ensure the bristles are enclosed before the user picks up the toothbrush, eliminating the need for manual covering action
Solution Approach 2:
Instead of requiring the user to actively close a cover over the bristles, the design inverts the logic: the cover is positioned to automatically enclose the bristles through the natural placement action of setting the toothbrush down. The user's normal handling motion triggers the protective enclosure rather than requiring a separate closing action
Data Source
AI summary
A self-protecting toothbrush comprises a self-protecting structure is disclosed. The self-protecting structure can contain an automatically expending stand. The self-protecting structure is also can contain an automatically concealing case. When in use, the self-protecting structure automatically decoupled from a body of the toothbrush, so that the self-protecting structure does not hinder the use of the toothbrush. When in a rest position, the self-protecting structure automatically covers or elevates the head or bristles preventing the bristles from touching a surface.