Applicator Head Structure with Elastic Jaw Clamping

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Solution Overview

Problem

Conventional makeup pens with brush applicators have a complex structure, leading to instability and unsatisfactory usage due to an unreasonable assembling structure and discharging core strip component.

Innovation Solution

A head structure for the applicator comprising a hollow sleeve, an applying head with a through hole, a clamp with elastic jaws, and a fixing base, where the applying head is made of soft rubber and plastic, allowing for even application and easy assembly/disassembly, preventing cosmetic material absorption and waste.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a conventional brush structure is used in makeup pens, then the applicator can apply cosmetic material, but the structure becomes complicated and stability deteriorates

Engineering Contradiction:
Improveapplication functionVSAvoidstructure complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent extracts the discharging core strip component from the traditional brush structure and replaces it with a simplified applying head that has a through hole for direct cosmetic discharge. This removes the complicated internal structure while maintaining the application function, directly resolving the contradiction between operational effectiveness and structural complexity.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The applying head is divided into distinct functional segments: the head portion with through hole for cosmetic discharge, the annular tail for clamping, and the fluff layer for application. This segmentation allows each part to perform its specific function efficiently while keeping the overall structure simple and stable.

Inventive Principle:
Principle #1Segmentation

2Ease of operation

If a conventional brush structure is used, then cosmetic material can be applied, but the assembling structure becomes unreasonable and usage stability deteriorates

Engineering Contradiction:
Improveusage stabilityVSAvoidassembling structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent merges the clamping function and the applying head function into a single integrated component. The applying head serves both as the cosmetic discharge structure (with through hole) and as the element to be clamped by the elastic jaws, eliminating the need for separate discharging core strip components and improving assembly rationality and stability.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The elastic jaws automatically clamp the annular tail of the applying head when assembled, providing self-fixing functionality. This self-service mechanism ensures stable usage without requiring complex assembly structures or additional fastening components.

Inventive Principle:
Principle #25Self-service

3Productivity

If the applying head is made of soft rubber and plastic material, then cosmetic material is not absorbed and application is even, but the structure requires secure fixing to prevent falling off

Engineering Contradiction:
Improveapplication efficiencyVSAvoidfixing structure
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent uses elastic jaws that can dynamically adjust their clamping force. The elastic material allows the jaws to flex during assembly and then maintain a constant clamping force on the annular tail, securely fixing the applying head without requiring complex mechanical fastening structures. This dynamic elasticity resolves the contradiction between simple fixing structure and reliable fixation.

Inventive Principle:
Principle #15Dynamics

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 solution provides a simple, stable, and reusable applicator head that ensures even cosmetic application, reduces waste, and offers a softer touch with fluff implantation, while being securely fixed to prevent falling off.

Implementation Method 1

the clamp includes a bottom and at least one pair of symmetrical and elastic jaws connected to the bottom, the annular tail is placed between the jaws, the jaws can tightly fix the applying head

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 2

When a surface of the applying head is implanted with the fluff, the touch feeling of the applying head is softer. Moreover, since the fluff has an adsorption capacity, the applying effect is more exquisite

Methodology Applied
Scientific EffectAdsorption: Adsorption

Data Source

PatentEP3571954B1Head structure of applicator
Publication Date: 2020.12.02 SHYA HSIN PACKAGING INDUSTRY (CHINA) CO LTD
  • EP3571954B1 patent drawingFigure 1
  • EP3571954B1 patent drawingFigure 2
  • EP3571954B1 patent drawingFigure 3

AI summary

A head structure of an applicator includes a sleeve (30), an applying head (10), a clamp (20), and a fixing base (40). The sleeve (30) is hollow, and includes a first connecting portion (31) and a second connecting portion (32). The applying head (10) is provided with a through hole (11). The applying head includes a head (12) and an annular tail (13). The clamp (20) includes a bottom (21) and at least one pair of symmetrical and elastic jaws (22). The annular tail (13) is placed between the jaws (22). The jaws (22) can tightly fix the applying head (10). The bottom (21) of the clamp (20) is fixedly connected to the first connecting portion (31) of the sleeve (30). The fixing base (40) includes a base (41) and a hollow fixing rod (42) connected to the base (41). The base (41) of the fixing base (40) is fixedly connected to the second connecting portion (32) of the sleeve (30). An end of the fixing rod (42) is inserted into the through hole (11) of the applying head (10) and connected to the through hole (11), and the other end of the fixing rod is connected to an exterior. The head structure has a simple structure and strong applicability, and can be readily carried and reused.