Oscillating Toothbrush Head Structure for Adaptive Cleaning
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Solution Overview
Problem
Existing toothbrushes rely solely on bristle design for cleaning and gum protection, which is insufficient for optimal performance.
Innovation Solution
A toothbrush head design featuring a brush rod, a brush head assembly with a bristle fixing member, a supporting beam, and an elastomer, allowing the supporting beam and bristle fixing member to oscillate relative to each other, enhancing cleaning effectiveness and reducing gum damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the bristle fixing member is rigidly fixed to the supporting beam, then the structural stability is improved, but the cleaning adaptability to diverse tooth shapes deteriorates
Solution Approach 1:
The patent introduces a pivot-forming structure that enables the bristle fixing member to oscillate relative to the supporting beam around a pivot axis. This dynamic connection allows the bristle array to automatically adjust its angle and position to match diverse tooth shapes and surfaces, resolving the contradiction between structural stability and cleaning adaptability.
2Area of stationary object
If the supporting beam is made longer to extend further from the brush rod, then the brushing coverage area is improved, but the oscillation range and cleaning effectiveness deteriorate
Solution Approach 1:
The pivot-forming structure enables the bristle fixing member to oscillate around a pivot axis, creating a dynamic cleaning action that enhances brushing efficiency. This oscillation allows the bristles to effectively clean teeth even when the supporting beam is extended, resolving the contradiction between coverage area and brushing efficiency.
3Productivity
If the bristle stiffness is increased to improve cleaning power, then the cleaning effectiveness is improved, but the gum damage risk increases
Solution Approach 1:
The oscillating bristle fixing member allows the bristles to dynamically adjust their angle and contact pressure with the teeth and gums. This dynamic movement enables effective cleaning while reducing concentrated pressure on gum tissue, thereby lowering the risk of gum damage.
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 oscillating design adjusts cleaning angles to match diverse tooth shapes, improves brushing efficiency, and reduces oral cavity damage.
Implementation Method 1
an elastomer being provided between the supporting beam and the bristle fixing member
Data Source
AI summary
A toothbrush head includes: a brush rod and a brush head assembly connected to the brush rod. The brush head assembly includes a bristle fixing member and a body. The bristle fixing member includes a first side surface and a second side surface. The first side surface is provided with a plurality of bristles. The body includes a first end and a second end. The second end is connected to the brush rod, and the first end is extended to form a supporting beam. The supporting beam is located on a side of the bristle fixing member away from the plurality of bristles. An elastomer is filled between the supporting beam and the bristle fixing member, and a pivot-forming structure is provided on the supporting beam and/or the bristle fixing member.