Detachable Ear-Hook Headphone Assembly for Fit and Wearing Stability
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Solution Overview
Problem
Ear-hook headphones with a single shape and size often cause discomfort, instability, and poor acoustic performance due to mismatched ear shapes and sizes among users.
Innovation Solution
A headphone design featuring a compartment body assembly and an ear hook assembly with interchangeable ear hook assemblies of different curved settings, including a flexible structure and adjustable pullout resistance, to ensure a secure and comfortable fit for various ear shapes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If ear-hook headphones use a single shape and size design, then manufacturing cost is reduced and structure is simplified, but wearing comfort and stability deteriorate due to mismatched ear shapes among users
Solution Approach 1:
The headphone is divided into two detachable parts: the compartment body assembly and the ear-hook assembly. This segmentation allows users to replace only the ear-hook assembly to match different ear shapes, maintaining overall structure simplicity while improving wearing stability and comfort.
2Device complexity
If ear-hook headphones use a single shape and size design, then device complexity is reduced, but adaptability to different users deteriorates
Solution Approach 1:
By separating the headphone into a fixed compartment body and a replaceable ear-hook assembly, the design maintains simple overall structure while enabling adaptability through multiple ear-hook variants suited for different ear shapes and sizes.
Solution Approach 2:
The standardized connection interface between the compartment body and ear-hook assemblies creates a universal system where a single compartment body can work with multiple ear-hook types, enhancing adaptability across different users without increasing overall device complexity.
3Reliability
If the connection between ear-hook assembly and compartment body is made very strong, then reliability of connection is improved, but ease of operation deteriorates due to difficulty in assembly and disassembly
Solution Approach 1:
The connection interface uses a dynamic balance approach with elastic elements that provide sufficient holding force for reliable connection during normal use, while allowing easy detachment when appropriate force is applied by the user.
Solution Approach 2:
The pullout resistance is optimized to a specific range (0.45-5.7 kgf) that balances connection reliability with ease of operation, ensuring the connection is strong enough for stable wearing but weak enough for user-friendly assembly and disassembly.
4Reliability
If the pullout resistance between ear-hook assembly and compartment body is increased, then connection reliability is improved, but wear and tear increases making assembly and disassembly difficult
Solution Approach 1:
The pullout resistance is optimized to a specific range (0.45-5.7 kgf) that prevents excessive wear and tear on the connection interface while maintaining sufficient connection reliability, thereby extending the service life of both the ear-hook assembly and compartment body.
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 improves wearing comfort and stability while maintaining a reliable connection, ensuring better acoustic performance by accommodating different ear shapes and reducing wear and tear.
Implementation Method 1
The main groove portion may be provided with an elastic member. During the fixing block extending into the groove, the main portion moves within the main groove portion and compresses the elastic member, and the limiting portion moves within the secondary groove portion and abuts against an end of the secondary groove portion with an elastic support of the elastic member.
Data Source
AI summary
Embodiments of the present disclosure provide a headphone, including a compartment body assembly and an ear hook assembly. The compartment body assembly may be configured to contact the front side of an ear of a user, and at least a portion of the ear hook assembly may be provided between the rear side of the ear and the head of the user. The ear hook assembly may be detachably connected with the compartment body assembly, and a pullout resistance between the ear hook assembly and the compartment body assembly may be within a range of 0.45 kgf to 5.7 kgf.