Server Chassis Handle Lever Mechanism for Cage Handling
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Solution Overview
Problem
The increasing weight of electronic components in server cages makes manual handling laborious, complicating maintenance and installation processes.
Innovation Solution
A server chassis design featuring a handle with pivot parts and protruding or engagement parts that allow for easy movement of the cage by leveraging different distance spacings, reducing the effort required for installation and removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a handle is added to the cage for easier handling, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The handle assembly is nested within the cage structure, with the pivot part integrated into the cage body and the handheld part extending outward. This nested configuration allows the handle to be stored within the cage when not in use, reducing overall complexity while maintaining ease of operation when needed.
Solution Approach 2:
The handle employs a pivot part that allows rotational movement between the handheld part and the cage body. This dynamic mechanism enables the handle to adapt to different handling positions and forces, improving ease of operation while using a simple hinge joint rather than a complex mechanical system.
2Productivity
If the cage accommodates more electronic components to increase performance, then the productivity is improved, but the weight of the moving object increases
Solution Approach 1:
The handle assembly acts as a counterbalancing mechanism where the protruding part extends beyond the cage center of gravity. When the user applies force to the handheld part, the pivot part creates a lever arm that counteracts the weight of the loaded cage, reducing the effective effort needed to move heavier cages with more electronic components.
Solution Approach 2:
The handle extends in a direction perpendicular to the main body of the cage, utilizing a different spatial dimension for the handling interface. This dimensional extension allows the user to apply force at a distance from the cage center, creating mechanical advantage that offsets the increased weight from additional electronic components.
3Ease of operation
If the axis of the pivot part is spaced apart from the side surface by different distances along different directions, then the ease of operation is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The pivot part is deliberately designed with asymmetric spacing, where the distance from the axis to the side surface differs along different directions (first distance vs. second distance). This asymmetric configuration creates the labor-saving mechanical advantage by optimizing the lever arm lengths in different orientations, and the patent provides specific dimensional guidelines to manage the precision requirements.
Solution Approach 2:
The patent specifies particular parameter ranges for the spacing distances (first distance and second distance) to achieve the desired mechanical advantage. By defining these parameters within specific ranges rather than requiring exact precision, the design balances ease of operation with manufacturability, allowing for normal manufacturing tolerances while still achieving the labor-saving effect.
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 design facilitates labor-saving mechanisms for mounting and removing the cage from the rack, minimizing the effort needed for these processes.
Implementation Method 1
The handle includes at least one pivot part, a handheld part, and at least one protruding part. The handheld part and the at least one protruding part are respectively connected to two opposite sides of the at least one pivot part, and the at least one pivot part is pivotally connected to the cage part.
Implementation Method 2
An axis of the at least one pivot part is spaced apart from the first side surface by a first distance along a first direction. The at least one pivot part is spaced apart from the first side surface by a second distance along a second direction. The first direction is different from the second direction, and the first distance is different from the second distance.
Data Source
AI summary
A server chassis including rack and mount cage. Mount cage includes cage part and handle. Cage part is fixed on a side of the rack. Handle includes pivot part, handheld part, and protruding part. Handheld part and protruding part are respectively connected to two opposite sides of pivot part, and pivot part is pivotally connected to cage part. Protruding part has first side surface located on a side of protruding part that is located away from pivot part. An axis of pivot part is spaced apart from first side surface by first distance along first direction. Pivot part is spaced apart from first side surface by second distance along second direction. First direction is different from the second direction, and first distance is different from second distance.