Earphone Sound Hole Insert With Tab for Easy Debris Prevention
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Solution Overview
Problem
Existing ear wearing sound output devices, such as hearing aids and earphones, suffer from foreign substance accumulation in sound holes, which impairs acoustic performance and is difficult to manage, especially for elderly users, necessitating frequent and cumbersome replacement of small foreign substance entry prevention members.
Innovation Solution
An ear wearing sound output device with a speaker unit, sound guide portion, and an insertion member featuring a tab and insertion main body portion, designed for easy replacement and improved handleability, including a tab extension for intuitive positioning and handling, and a cushioning property to prevent foreign substance entry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a foreign substance entry prevention member is inserted into the sound hole portion, then foreign substance accumulation is suppressed, but the member becomes difficult to replace due to its small size
Solution Approach 1:
The insertion member is divided into two distinct parts: a small insertion main body portion that fits into the sound hole portion and a larger tab portion that extends outside for easy gripping and replacement. This segmentation allows the small prevention member to be easily replaced through the larger tab, resolving the contradiction between effective foreign substance prevention and ease of replacement.
2Length of moving object
If the foreign substance entry prevention member is made small to fit the sound hole portion, then it can be inserted properly, but it becomes difficult to handle and replace
Solution Approach 1:
The insertion member is segmented into a small insertion main body portion (for proper fit) and a larger tab portion (for easy handling). This allows the member to be both appropriately sized for insertion and easily manageable for replacement operations.
Solution Approach 2:
The tab acts as an intermediary element between the user's fingers and the small insertion main body portion. By gripping the larger tab instead of the small insertion portion, users can easily handle and replace the prevention member without difficulty.
3Reliability
If the insertion member is replaced frequently to maintain acoustic performance, then foreign substance accumulation is prevented, but the complexity of maintenance increases
Solution Approach 1:
The insertion member is designed to be easily replaceable by users themselves through the convenient tab structure. This self-service capability allows users to maintain acoustic performance by periodically replacing the member without requiring specialized assistance, thereby reducing maintenance complexity despite frequent replacement needs.
Data Source
AI summary
An ear wearing sound output device includes: a speaker unit; a sound guide portion that includes a hole portion having an insertion hole and transmits sound output from the speaker unit via the hole portion; and an insertion member that includes an insertion main body portion located in the insertion hole, and a tab integrally provided with the insertion main body portion and at least partially located outside the insertion hole.