Headphone Wire Insert Sealing Structure for Water Ingress Prevention
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Solution Overview
Problem
Headphones suffer from poorly sealed and fixed wires that extend from their components, leading to potential water ingress and reduced connection stability.
Innovation Solution
A headphone design featuring a housing assembly with a socket and a wearing assembly, including a wire assembly and a socket member with an annular rib forming a glue slot, enhancing the seal and stability of the wire connection through strategic glue application in defined slots.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the wire assembly is simply inserted into the socket without specialized sealing structures, then the assembly process is simple, but the seal performance deteriorates allowing water ingress
Solution Approach 1:
The sealing function is segmented into multiple independent sealing structures: the annular rib with first glue slot on the insert member, and the socket wall with second glue slot. This segmentation allows each component to contribute to sealing while maintaining assembly simplicity, as the segments work together to prevent water ingress without requiring complex integrated sealing mechanisms.
Solution Approach 2:
The annular rib acts as an intermediary element between the insert member and the socket wall. It protrudes from the inner end surface and provides the first glue slot that cooperates with the second glue slot in the socket wall to form a comprehensive sealing structure. This intermediary component enables effective sealing while maintaining simple assembly procedures.
2Device complexity
If the wire assembly connection is made without defined glue slots, then the structure is simple, but the connection stability deteriorates
Solution Approach 1:
The annular rib with the first glue slot is formed in advance on the insert member during manufacturing. This preliminary action ensures that when the insert member is assembled with the socket, the glue slots are already positioned to receive adhesive, creating a stable and reliable connection without requiring complex assembly procedures or additional structural elements.
3Ease of manufacture
If no glue slots are provided, then the manufacturing process is simple, but the seal performance is insufficient allowing water ingress
Solution Approach 1:
The annular rib is formed with a specific local geometry featuring the first glue slot at its periphery. This local quality enhancement provides targeted sealing functionality where needed, preventing water ingress without requiring complex modifications to the overall structure. The rib's annular shape and glue slot positioning create localized sealing zones that effectively prevent water penetration while maintaining manufacturing simplicity.
Data Source
AI summary
An headphone is provided. The headphone includes a housing assembly provided with a socket; and a wearing assembly including a wire assembly and an insert member, the insert member including an insert body configured to be inserted into the socket, the wire assembly is threaded through the insert body and has an exposed portion that is exposed from an inner end surface of the insert body facing an interior of the housing assembly, and the insert member further includes an annular rib protruding from the inner end surface, the annular rib being provided around the exposed portion such that an inner annular surface of the annular rib forms a first glue slot at a periphery of the exposed portion. In the above manner, a sealing effect of the wire and the insert member of the headphone is achieved.