Audio Jack Constraint Mechanism for Connector Durability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Wired audio output devices are prone to damage and failure due to brusque movements and improper insertion angles, which can cause the audio connector to bend or damage the conductive portions within the electronic device.
Innovation Solution
A constraint mechanism with asymmetrical features and mechanical fasteners is used to securely position the audio plug, preventing yawing, pitching, and rolling, and ensuring proper alignment, while conductive dimples are matched in size and shape to prevent foreign particles from entering the connector.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the audio connector is made accessible for wired audio output devices, then audio connectivity is enabled, but the connector becomes vulnerable to damage from brusque movements and improper insertion
Solution Approach 1:
The audio connector is segmented into multiple functional components: a constraint mechanism with asymmetrical features for proper orientation, a center wall to prevent yawing, a tab to prevent pitching, and a plate with mechanical fastener to prevent rolling. This segmentation allows each component to address specific vulnerability points while maintaining overall connectivity functionality.
Solution Approach 2:
Asymmetrical features are incorporated into the constraint mechanism body that correspond to features of the aperture in the electronic device. This asymmetry ensures that the constraint mechanism can only be inserted in one suitable orientation, preventing improper insertion and associated damage to the audio connector.
2Ease of operation
If the audio connector allows free movement of the plug, then insertion and removal is easy, but the connector may bend or fail due to movement
Solution Approach 1:
The constraint mechanism is pre-configured with asymmetrical features, center wall, tab, and plate that automatically engage with corresponding features in the electronic device upon insertion. This preliminary configuration ensures proper alignment and constraint before any operational movement occurs, preventing structural damage during use.
Solution Approach 2:
The constraint mechanism acts as an intermediary between the audio plug and the electronic device housing. It provides a controlled interface that allows easy insertion and removal while preventing harmful movements, thereby protecting the audio connector's structural integrity during operation.
3Reliability
If the conductive portions are exposed for contact, then electrical connectivity is achieved, but foreign particles can enter and damage the conductive portions
Solution Approach 1:
The conductive dimples are nested within the constraint mechanism body, with only their contact surfaces exposed through the tube wall. This nesting arrangement allows electrical connectivity to be achieved while protecting the bulk of the conductive portions from foreign particle intrusion and mechanical damage.
Data Source
AI summary
A constraint mechanism for receiving an audio plug in an electronic device is provided. The constraint mechanism may include a conductive tube operative to receive the audio plug. In addition, the constraint mechanism may include several features operative to engage corresponding features of the electronic device to prevent the constraint mechanism from moving in any direction (e.g., which could cause damage in the electronic device if the audio jack was forced to move by an impact on the audio plug). For example, the constraint mechanism may include a center wall to prevent yawing, and rear tabs to prevent pitching. As another example, the constraint mechanism may include a side plate operative to be coupled to the electronic device to prevent rolling. In some embodiments, the constraint mechanism may include an asymmetrical tube entrance for ensuring the proper alignment of the constraint mechanism with an electronic device opening. The tube may include a conductive dimple extending through an aperture of the tube, where the aperture is substantially the same size and shape as the conductive dimple.