HDMI Plug Locking Tab Actuator Mechanism
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Solution Overview
Problem
Standard high definition multimedia interface (HDMI) connectors are prone to loose connections due to structural deficiencies and gravitational forces, especially when HDMI receptacles are mounted downward, leading to signal loss and disconnection issues.
Innovation Solution
A locking HDMI plug design featuring a movable locking tab and actuator mechanism that securely engages with the receptacle, providing a releasable locking mechanism to prevent unplugging and ensure stable connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If standard HDMI connectors use friction interference fittings for retention, then the connector can be easily inserted and removed, but the connector becomes susceptible to loose connections when bumped or subjected to gravitational forces
Solution Approach 1:
The connector employs a dynamic locking mechanism where the locking tab can move between engaged and disengaged positions. The tab is biased by a spring to automatically engage with the receptacle opening, providing active retention rather than passive friction. This dynamic system allows the connector to maintain reliable connection under various forces while still permitting intentional removal through actuator operation.
Solution Approach 2:
The locking mechanism features self-engagement capability where the locking tab automatically engages with the receptacle opening upon insertion without requiring user action. The spring bias ensures the tab moves into the engaged position automatically, providing self-service retention that maintains connection stability while allowing easy intentional removal when needed.
2Adaptability or versatility
If HDMI receptacles are mounted downward to achieve wall mounting or aesthetic purposes, then the installation flexibility is improved, but gravitational forces cause the connector to fall off and become disconnected
Solution Approach 1:
The spring-biased locking tab acts as a counterweight mechanism that opposes gravitational forces. When the connector is inserted into a downward-mounted receptacle, the spring bias maintains the locking tab in the engaged position, creating a force that counteracts gravity's tendency to pull the connector away. This allows the connector to remain reliably connected regardless of mounting orientation.
Solution Approach 2:
The dynamic locking mechanism adapts to gravitational forces by maintaining active engagement through spring bias. The system remains responsive to both gravitational pull and user actuation, allowing the connector to maintain reliable connection in any orientation while still permitting intentional removal when needed.
3Reliability
If a locking mechanism is added to the HDMI connector to prevent loose connections, then connection reliability is improved, but the device complexity increases
Solution Approach 1:
The locking mechanism is merged with the existing connector structure by integrating the locking tab as part of the connector body. The actuator is positioned to work in conjunction with existing components, and the spring bias is incorporated into the overall assembly. This merging approach adds locking functionality while minimizing the increase in overall structural complexity.
Solution Approach 2:
The spring-biased locking tab provides self-service retention that automatically engages and maintains connection without requiring additional active components or complex control systems. The passive spring mechanism continuously maintains engagement force, reducing the need for complex active locking systems while ensuring reliable connection.
Data Source
AI summary
A releasably engaging high definition multimedia plug comprises a plug body and an actuator operable with the plug body to move a locking tab of the plug and facilitate releasable engagement of the plug with a standard high definition multimedia receptacle. A corresponding method of releasably securing a high definition multimedia interface plug to a standard high definition multimedia interface receptacle is also provided.