Disk Drive Bracket With Pivotable Injector Mechanism
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Solution Overview
Problem
Existing disk drive mounting systems in electronic equipment face challenges such as limited space efficiency due to mounting hardware requirements and potential damage from rapid or forceful insertion, with inadequate feedback on connector engagement.
Innovation Solution
A bracket assembly with parallel spaced rails and a pivotable injector mechanism that facilitates controlled insertion and extraction of disk drives, featuring a pin for engaging a chassis slot and a latch system for secure mounting, reducing spacing needs and preventing connector damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional mounting rails and guides are used between disk drives, then the drives can be securely mounted in the chassis, but the spacing requirements limit the number of drives that can fit in a given width
Solution Approach 1:
The mounting bracket integrates multiple functions into a single component: the bracket body provides structural support, the rails are formed as integral parts of the bracket, and the guides are incorporated into the bracket structure. This merging eliminates the need for separate mounting hardware between drives, reducing the spacing required and allowing more drives per row.
Solution Approach 2:
The bracket assembly serves multiple functions simultaneously: it provides structural mounting support, guides the drive insertion path, secures the drive in position, and enables the injector mechanism for controlled insertion. This multi-functionality reduces the overall space requirement compared to dedicated separate components for each function.
2Speed
If the disk drive is rapidly inserted or inserted with excessive force, then the installation process is faster, but the connector contacts may be damaged
Solution Approach 1:
The injector mechanism incorporates a controlled motion system that prevents excessive force from being applied during insertion. The lever arm and pin-and-slot mechanism provide inherent motion control, and the latch element provides a positive stop that prevents over-insertion, thereby protecting the connector contacts from damage while maintaining installation speed.
Solution Approach 2:
The latch element provides tactile feedback to the installer through its engagement and disengagement states. When the latch engages with the injector, it provides a audible and tactile confirmation that the drive is properly seated and connected, giving the installer feedback on connector engagement without requiring visual inspection of the contacts.
3Ease of operation
If the installer has limited feedback on connector engagement, then the installation process is simpler, but the installer cannot determine whether connectors are fully engaged
Solution Approach 1:
The latch element provides clear tactile and audible feedback when it engages with the injector, confirming proper connector engagement. The latch's engaged and disengaged states are easily distinguishable, giving the installer immediate information about whether the drive is properly installed without requiring visual inspection of the connector contacts.
4Adaptability or versatility
If multiple mounting components are used separately, then each component can be optimized for its specific function, but the overall device complexity increases
Solution Approach 1:
The bracket assembly merges the bracket body, rails, and guides into a single integrated component. The rails are formed as integral parts of the bracket, and the guides are incorporated into the bracket structure, eliminating the need for separate mounting hardware while maintaining the functional optimization of each element.
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
The solution allows for more efficient use of space by enabling multiple disk drives in a single row and provides user feedback during installation, ensuring connectors are engaged correctly, thus reducing the risk of damage and improving installation precision.
Implementation Method 1
The rails may include plastic springs that extend laterally from the base for resiliently engaging the chassis guides
Implementation Method 2
The latch element may be deflectable with respect to the body of the base by squeezing a pair of tabs
Data Source
AI summary
A bracket for holding a disk drive or other subassembly in a chassis may have a pair of rails that lie under the disk drive when the disk drive is coupled to the bracket. A bracket assembly may include an injector pivotably coupled to a base of the bracket. The injector may include a pin that engages a slot in the chassis to urge the bracket assembly into the chassis. The injector and base may, include latch elements for latching the injector to the base. A latch element of the base may be integrally formed with a body of the base.