Tiered Locking Mechanism for Variable Height Component Cards
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Solution Overview
Problem
Existing mechanisms for securing component cards, such as M.2 cards, to a main printed circuit board (PCB) are not versatile enough to accommodate different installation heights, requiring users to engage and disengage multiple coupling mechanisms for various configurations.
Innovation Solution
A tiered locking mechanism comprising a base, a top slider structure with beveled protrusions, and a biasing element, allowing the mechanism to slide between locked and unlocked positions, accommodating different component card heights through a combination of receiving slots and a ribbed portion for easy transition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single-height connector is used to secure component cards, then the locking mechanism is simple, but it cannot accommodate component cards of different heights
Solution Approach 1:
The locking mechanism is segmented into a base structure and a top slider structure that can move independently. The top slider structure contains multiple receiving slots at different heights, allowing it to accommodate different component card heights while the base remains fixed. This segmentation enables the mechanism to handle multiple configurations without requiring multiple separate locking devices.
Solution Approach 2:
The top slider structure is designed to be movable along the base, transitioning between locked and unlocked positions. This dynamic capability allows the mechanism to adapt to different component card heights by sliding the top structure to engage with the appropriate receiving slot, providing versatility without sacrificing structural integrity.
2Adaptability or versatility
If multiple coupling mechanisms are used to accommodate different configurations, then adaptability is improved, but the ease of operation deteriorates due to requiring engagement and disengagement of multiple mechanisms
Solution Approach 1:
Multiple receiving slots for different heights are merged into a single integrated top slider structure. Instead of requiring separate coupling mechanisms for different configurations, all receiving slots are combined in one movable structure that can be engaged or disengaged as a single unit, simplifying the operation while maintaining adaptability.
Solution Approach 2:
The top slider structure serves multiple functions by incorporating receiving slots for different component card heights within a single structure. This multi-functional design eliminates the need for multiple specialized coupling mechanisms, allowing users to install and replace different configurations using the same locking mechanism.
3Adaptability or versatility
If a tiered locking mechanism with multiple receiving slots is implemented, then versatility for different heights is improved, but the device complexity increases
Solution Approach 1:
The receiving slots are nested within the top slider structure, with each slot integrated into the overall geometry of the slider. This nesting approach allows multiple functional elements (different height slots) to be contained within a single structural component, reducing the number of separate parts while maintaining the capability to support multiple component card heights.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables secure attachment and detachment of component cards at varying heights using the same locking mechanism, enhancing versatility and ease of use by compressing the biasing element to transition between locked and unlocked positions.
Implementation Method 1
The biasing element is configured to urge the top slider structure toward the locked position and to compress as the top slider structure is displaced away from the component card engagement side to an unlocked position
Data Source
AI summary
A tiered locking mechanism secures a component card to a printed circuit board and includes a base, a top slider structure, and a biasing element. The base includes a first-tier side wall and a coupling structure configured to engage the PCB. The top slider structure includes a second-tier side wall along with protrusions having a beveled edge. The top slider structure is slidable between locked and unlocked positions. The unlocked position includes the protrusions being displaced away from a component card engagement side relative to the locked position. A bottom one of the protrusions and the first-tier side wall form a first receiving slot in the locked position. Atop one of the plurality of protrusions and the second-tier wall form a second receiving slot. The biasing element is configured to urge the top slider structure toward the locked position and to compress as the top slider structure moves away from the component card engagement side.