Headphone Wire Insert Sealing Structure for Waterproof Stability
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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 instability in the connection.
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 connection between the wire and the insert body.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the wire assembly is simply inserted into the socket without additional sealing structures, then the device complexity is reduced, but the sealing performance deteriorates allowing water ingress
Solution Approach 1:
The sealing structure is segmented into multiple functional zones: the annular rib provides a first sealing surface, the annular groove provides a second sealing surface, and the limiting member provides a third sealing surface. This segmentation allows each component to contribute to the overall sealing function while maintaining a modular and manageable structure.
Solution Approach 2:
The annular rib acts as an intermediary sealing element between the wire assembly and the socket. It creates a glue slot that receives sealing material, mediating the connection between the two components and providing a dedicated path for water prevention without requiring complex integrated structures.
2Stability of the object's composition
If the wire assembly connection is made without a limiting member, then the ease of assembly is improved, but the connection stability deteriorates due to potential displacement
Solution Approach 1:
The limiting member is pre-formed with a specific geometry that includes a limiting groove and limiting protrusion. These features are prepared in advance during manufacturing, allowing the wire assembly to be inserted and then automatically limited in its movement during assembly, ensuring stability without requiring complex adjustment procedures.
Solution Approach 2:
The limiting member is designed to automatically engage with the wire assembly through its limiting protrusion and groove features. Once inserted, the structure self-limits the displacement of the wire assembly without requiring additional fastening operations or complex assembly steps, maintaining ease of manufacture while ensuring stability.
3Object-affected harmful factors
If the annular rib protrudes significantly from the inner end surface, then the sealing effectiveness is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The annular rib is designed with localized sealing features at specific positions: the first sealing surface on the outer annular surface, the glue slot at the periphery, and the second sealing surface on the inner annular surface. This local quality approach concentrates the sealing function at critical locations rather than requiring uniform precision throughout the entire component.
Solution Approach 2:
The annular rib protrudes to a degree that creates sufficient sealing contact while the limiting member provides additional sealing through its limiting groove. This partial excessive action ensures that even if dimensional variations occur, the sealing function is maintained through the combined effect of multiple sealing surfaces.
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.