Hidden Handle Module for Rack Server Tray
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In rack servers, exposed handles on trays can be mistakenly pulled, leading to unexpected movement of server modules out of the chassis, and cumbersome unlock procedures complicate maintenance.
Innovation Solution
A hidden handle module with a shaft, handle, first elastic component, and second elastic component is integrated into the tray, where the handle is initially stopped by a stopping portion and protrudes automatically by the second elastic component to allow controlled tray removal, preventing accidental ejection and simplifying operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a handle is exposed on the tray, then the user can easily pull the tray out of the chassis, but the handle can be mistakenly pulled causing unexpected movement of server modules
Solution Approach 1:
The handle is designed to be dynamic rather than static. It can be in a retracted position (when not in use) and an extended position (when tray removal is needed). The elastic component enables the handle to automatically extend when pulled, providing ease of operation only when intended, while preventing accidental ejection when retracted.
2Reliability
If a complex unlock procedure is implemented, then accidental tray removal is prevented, but the operation becomes cumbersome for maintenance
Solution Approach 1:
The unlock function is extracted from a complex multi-step procedure and embodied in the simple mechanical action of pulling the handle. The elastic component stores the unlocking energy, so that a single pulling motion simultaneously overcomes the elastic force and releases the tray locking mechanism, making the operation as simple as pulling while maintaining security.
3Ease of operation
If the handle is always extended for easy access, then the user can easily operate the tray, but the handle may be accidentally pulled when not needed
Solution Approach 1:
The handle transitions from a static always-extended design to a dynamic design where it remains retracted (hidden) during normal operation and only extends when actively pulled by the user. The elastic component enables this dynamic behavior, automatically extending the handle when force is applied and allowing it to return to the retracted position when released.
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 hidden handle module prevents accidental tray removal and enhances operational convenience by allowing the handle to protrude automatically when needed, facilitating easy and controlled movement of trays in and out of the chassis.
Implementation Method 1
The first elastic component is disposed in the tray and stopping the handle moving away from the stopping portion
Implementation Method 2
the handle protrudes out of the tray by an elastic force of the second elastic component, to drive the shaft to rotate from the first position to a second position and release an interference between the shaft and the interfering portion
Data Source
AI summary
A hidden handle module is adapted to a tray accommodated in a chassis. The hidden handle module includes a shaft, a handle, and first and second elastic components. The shaft is pivoted on the tray and interfered with the chassis to stop the tray moving out of the chassis. The handle is pivoted on the shaft and stopped in the tray by a stopping portion of the tray to limit the position of the shaft. The first elastic component is disposed in the tray and stops the handle moving away from the stopping portion. The second elastic portion is connected between the shaft and the tray. When the handle resists elastic force of the first elastic component and moves away from the stopping portion, the handle protrudes out of the tray by elastic force of the second elastic component, and the shaft rotates to be released by the chassis.