Snap-Fit Ear Piercing Housing for Fast Disposable Assembly
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing ear piercing instruments face challenges in assembly efficiency and manufacturing cost due to complex assembly processes, particularly with disposable spring-driven instruments that require tedious bolting and have high manufacturing costs.
Innovation Solution
An ear piercing instrument design featuring an integrally molded stud piercing housing with a push rod guiding cylinder, allowing quick assembly through snap connections, eliminating tedious bolting and reducing manufacturing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fully disposable hand-driven ear piercing instruments are used, then cross-infection is avoided and hygiene is improved, but operator skill requirement increases and operation difficulty worsens
Solution Approach 1:
The patent employs a fully disposable ear piercing instrument where the stud piercing housing, base housing, and piercing assembly are designed as single-use components. After one piercing operation, the entire instrument is discarded, eliminating cross-infection risks while maintaining ease of use through automated spring-driven mechanism
Solution Approach 2:
The patent replaces the hand-driven mechanical system with a spring-driven automated system. The spring-loaded push rod mechanism automatically drives the stud through the earlobe, eliminating the need for operator skill in manual pushing while maintaining disposable hygiene benefits
2Ease of operation
If reusable spring-driven gun-shaped ear piercing instruments are used, then operation ease is improved, but cross-infection risk increases
Solution Approach 1:
The patent transforms the reusable spring-driven instrument into a disposable version. The stud piercing housing containing the spring mechanism is designed to be discarded after single use, eliminating cross-infection risk while preserving the ease of operation benefits of spring-driven automation
3Reliability
If disposable spring-driven ear piercing instruments are assembled by screwing multiple scattered parts, then assembly reliability is improved, but assembly efficiency worsens and manufacturing cost increases
Solution Approach 1:
The patent merges multiple scattered parts into an integrally molded stud piercing housing. The housing is manufactured as a single piece containing embedded guiding cylinders and positioning structures, eliminating tedious bolting operations while maintaining assembly reliability through integrated design
Solution Approach 2:
The patent incorporates guiding cylinders and positioning features directly into the molded housing structure before assembly. This preliminary integration of guiding and positioning functions into the housing design enables quick snap-fit assembly of the piercing assembly without requiring complex fastening operations
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 design enables rapid, reliable assembly and positioning of components, enhancing efficiency and reducing manufacturing costs while maintaining hygiene and safety standards.
Implementation Method 1
a first elastic member capable of exerting a thrust on the push rod towards a stud holder
Implementation Method 2
fixedly connected in the first mounting cavity by a third snap
Data Source
AI summary
An ear piercing instrument, including: a base housing on which a first mounting cavity extending parallel to a stud piercing direction is provided; and an integrally molded stud piercing housing which is configured to assemble a stud assembly or a stud and fixedly connected in the first mounting cavity by a third snap. The stud piercing housing is provided with a push rod guiding cylinder embedded in the first mounting cavity, and a piercing assembly is at least partially located in the push rod guiding cylinder and is clamped and positioned by both the stud piercing housing and a bottom wall of the first mounting cavity.