Glue-Free Makeup Brush Clamping Assembly
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Solution Overview
Problem
Traditional makeup brushes use glue for fixation, which is not eco-friendly and makes handle replacement difficult, leading to material waste.
Innovation Solution
A glue-free makeup brush design featuring a clamping assembly with a snap-fit connection between the brush head and handle, utilizing a clamping assembly with first and second clamps, elastic pieces, and screw threads for easy assembly and disassembly without the need for glue.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If glue is used for fixing the brush head and handle, then the assembly is strong and stable, but it is not eco-friendly and makes replacement difficult
Solution Approach 1:
The makeup brush is divided into separable components: brush head, connecting piece with clamping assembly, and handle. The clamping assembly includes first and second clamps that can be opened and closed to secure or release the brush head, enabling easy replacement without glue while maintaining strong fixation when closed.
Solution Approach 2:
The clamping assembly transitions from a static glued connection to a dynamic mechanical connection. The first and second clamps can be opened to release the brush head for replacement or closed to secure it firmly, providing both ease of replacement and strong fixation as needed.
2Stability of the object's composition
If glue is used for fixing the brush head and handle, then the assembly is stable, but it leads to material waste when the brush head needs replacement
Solution Approach 1:
The brush is segmented into replaceable brush head and reusable handle components connected by the clamping assembly. When the brush head wears out, only the brush head needs to be replaced by opening the clamps, while the handle and clamping assembly remain intact for reuse, reducing material waste while maintaining assembly stability.
Solution Approach 2:
The design enables discarding only the worn brush head while recovering and reusing the handle and clamping assembly. The mechanical clamping connection allows easy separation of the brush head from the handle, facilitating resource recovery and reducing overall material waste compared to glued integral designs.
3Device complexity
If an integral design is used, then the structure is simple, but it results in complete disposal when the brush head can't be used
Solution Approach 1:
The makeup brush采用 separable design with brush head, connecting piece, and handle as distinct components. The clamping assembly provides a straightforward mechanical connection that is easier to manufacture than glued joints, while enabling partial replacement of only the brush head instead of the entire brush, reducing resource waste.
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
Enables environmentally friendly assembly, facilitates easy replacement of the brush head and handle, reducing material waste and improving user convenience.
Implementation Method 1
a lower end of the first clamp and a lower end of the second clamp are provided with an elastic piece; an outer side wall of the elastic piece is provided with a protrusion; an inner side wall of the sleeve is provided with a second groove and the protrusion of the elastic piece is clamped in the second groove
Data Source
AI summary
A novel glue-free makeup brush with a clamping assembly, including a handle, a brush head, and a connecting piece. The brush head includes bristles and a mounting piece, and is arranged on an upper end of the handle. The bristles are arranged on the mounting piece, and the mounting piece is clamped with the connecting piece. An upper end of the clamping assembly, formed by a first clamp and a second clamp, is provided with a groove, in which the mounting piece is arranged. In this way, the brush head can be arranged on the clamping assembly without using glue. The handle is removably connected with a sleeve of the connecting piece.