Securing device for slide rail of servo cabinet
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Solution Overview
Problem
Conventional servo cabinets face issues with the hook securing device for slide rails being unintentionally released due to wires, user error, and vibrations, leading to potential fallouts of servos from the slide rails.
Innovation Solution
A securing device for slide rails comprising a slide rail assembly with a first rail, second rail, and third rail, featuring a pivotable hook mechanism with springs and a block system that ensures the hook remains engaged with the rack post unless intentionally released, preventing accidental disengagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a simple hook mechanism is used to secure the slide rail to the rack post, then the device complexity is reduced and ease of manufacture is improved, but the reliability deteriorates as the hook may be unintentionally released by wires, user error, or vibrations
Solution Approach 1:
The patent applies preliminary anti-action by designing a blocking mechanism that prevents the hook from being unintentionally released. The block is positioned to preemptively stop the hook's movement before it can disengage from the rack post, counteracting potential releasing forces from wires, user error, or vibrations before they can cause failure.
Solution Approach 2:
The patent implements dynamics by making the hook pivotable rather than fixed. The hook can rotate about the pin, allowing it to dynamically adjust its position while still maintaining secure engagement with the rack post. This dynamic capability enables the hook to withstand various forces without permanent deformation while remaining securely attached.
2Reliability
If the hook is made pivotable with spring loading to prevent accidental release, then the reliability of hook retention is improved, but the ease of operation deteriorates as deliberate action is now required for disengagement
Solution Approach 1:
The blocking mechanism provides preliminary anti-action by preventing unintentional release while allowing intentional disengagement. The block is designed to be movable, so when deliberate force is applied to the operation unit, the block moves out of the way and allows the hook to be released, thus maintaining ease of operation for authorized users.
Solution Approach 2:
The block acts as an intermediary between the hook and the external environment. It mediates the interaction by blocking unintentional release forces while allowing controlled disengagement through the operation unit. This intermediary mechanism resolves the contradiction by filtering which forces can release the hook.
3Reliability
If a blocking mechanism is added to prevent accidental hook release, then the reliability is improved, but the device complexity increases due to additional components like the block and operation unit
Solution Approach 1:
The patent merges multiple functions into the block and operation unit assembly. The block serves as both the retaining element and the operational interface. The operation unit combines the blocking function with the disengagement mechanism, reducing the need for separate components and minimizing overall device complexity while maintaining high reliability.
4Stability of the object's composition
If the hook is designed to be securely retained with multiple springs and blocking mechanisms, then the stability of servos is improved, but the ease of manufacture deteriorates due to more complex assembly requirements
Solution Approach 1:
The patent applies preliminary action by pre-assembling the spring-loaded hook mechanism and the blocking mechanism as integrated units. The first and second springs are pre-installed on the hook, and the block is pre-positioned in the operation unit. This preliminary assembly simplifies the final installation process, as the entire securing device can be installed as a single module, thereby improving ease of manufacture despite the complex internal structure.
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 effectively secures the hook to the rack post, preventing accidental release and ensuring the stability of servos within the cabinet, even under vibrations, by utilizing a spring-loaded pivotable hook mechanism and a block system that requires deliberate action for disengagement.
Implementation Method 1
The two first springs are respectively mounted to the two protrusions and biased between the connection plate and the distal end of the first rail
Implementation Method 2
The second spring is biased between the connection plate and the hook so that the hook is pivotable about the pin
Implementation Method 3
The third spring is axially biased between one distal end of the block and the connection plate
Data Source
AI summary
A securing device for slide rails of a servo cabinet includes a slide rail assembly and an end unit is connected to a distal end of the rail assembly. A hook unit is connected to the inside of the rail assembly and includes a hook which is pivotably connected to the rail assembly and extends through a slit of the end unit to hook to a rack post. An operation unit includes a block movably located in a groove formed on the inside of the rail assembly and biased by a spring. A tail end of the hook contacts either a top face or an inclined face defined in the top of the block so as to be positioned to hook to different shapes of holes of the rack post. The hook is released from the holes of the rack post when the block is pushed toward the end unit.