Amorphous Alloy Interdental Brush Core for Replaceable Design
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Solution Overview
Problem
Existing interdental brushes have a non-replaceable metal wire core that easily breaks, rendering the entire brush unusable and contributing to environmental waste.
Innovation Solution
An interdental brush design featuring a replaceable brush body with a core made from an amorphous alloy wire, secured by a fixing block and screw cap, allowing for easy replacement of the brush body and recycling of other parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If steel wire is used as the metal wire core of the brush body, then the brush body can be manufactured with general toughness, but the metal wire breaks easily at the root of the brush body after several uses
Solution Approach 1:
The patent changes the material parameter of the core wire from conventional steel wire to amorphous alloy wire. This material parameter change fundamentally improves the mechanical properties, providing both high strength and exceptional toughness that prevents breakage at the root of the brush body during repeated use.
Solution Approach 2:
The patent employs amorphous alloy material which represents a composite material structure at the atomic level. This amorphous structure combines the benefits of high strength and high toughness that are difficult to achieve with conventional crystalline steel wire, resolving the contradiction between strength and breakage resistance.
2Strength
If the brush body and handle are integrated by insert molding and physical bonding methods, then the brush body and handle are firmly fixed, but the brush body cannot be separated and replaced when the metal wire breaks
Solution Approach 1:
The patent divides the interdental brush into separable components: the handle and the brush body. The brush body can be detached from the handle when needed, allowing replacement of the worn brush body while retaining the handle. This segmentation resolves the contradiction between firm fixation and replaceability.
Solution Approach 2:
The patent transitions from a static integrated structure to a dynamic separable structure. The brush body and handle are designed to be firmly bonded during use but can be separated when replacement is needed, providing dynamic adaptability that satisfies both bonding strength and replaceability requirements.
3Device complexity
If the entire interdental brush becomes unusable when the metal wire breaks, then the simple integrated structure is maintained, but the handle is not recyclable and the brush is not environmentally friendly
Solution Approach 1:
By segmenting the brush into replaceable brush body and reusable handle components, the patent enables selective replacement. When the brush body wears out or breaks, only the brush body needs to be discarded while the handle can be reused, reducing material waste and improving environmental friendliness without significantly increasing structural complexity.
Solution Approach 2:
The patent implements a discarding and recovering system where the brush body is discarded after use or breakage while the handle is recovered and reused. This approach minimizes material waste and environmental impact while maintaining operational simplicity.
Data Source
AI summary
An interdental brush with a replaceable brush body with a core and a manufacturing method thereof are provided, and relate to the technical field of tooth cleaning tools. The interdental brush includes a handle, a screw cap, a fixing block and a brush body. One end of the handle is provided with an external thread, an interior of the screw cap is provided with an internal thread mating with the external thread of the one end of the handle. One end of the fixing block abuts against the handle, and an other end extends out of the screw cap. The brush body includes a core and bristles, the core is twisted by an amorphous alloy wire, one end of the core is clamped in the fixing block, and a periphery of an other end is connected to the bristles.