Storage Module Drawer Snap-Fit Handle for Fast Server Service

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Solution Overview

Problem

The existing drawer systems for server housings require numerous screws for assembly and disassembly, making the process time-consuming and costly, especially when dealing with multiple hard disk drives or frequent replacements.

Innovation Solution

A drawer design featuring a manual operating assembly with a fastener and elastic engagement element, allowing for easy attachment and detachment using a single hand, with a conical fastening hole and claw mechanism that prevents wear and simplifies the production process.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If multiple screws are used to fasten the drawer to the server housing, then the fastening strength is improved, but the assembly time and labor intensity increase

Engineering Contradiction:

Improvefastening strengthVSAvoidassembly time

Core Design Contradiction:

StrengthVSLoss of time

Solution Approach 1:

The fastening function is segmented into multiple independent snap-fit connections distributed along the drawer boundaries, replacing the need for multiple screws. Each snap-fit connection independently provides fastening strength while the distributed arrangement ensures overall structural stability without requiring time-consuming sequential fastening operations

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The mechanical screw-fastening system is replaced with a snap-fit mechanical engagement system. The snap-fit connections utilize elastic deformation and geometric interlocking to provide fastening strength equivalent to multiple screws, but can be engaged and disengaged quickly without tools, dramatically reducing assembly time and labor intensity

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If multiple screws are used for fastening, then the fastening reliability is improved, but the production cost increases

Engineering Contradiction:

Improvefastening reliabilityVSAvoidproduction cost

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The screw fastening system is replaced with snap-fit connections that achieve comparable fastening reliability through elastic engagement and geometric interlocking. This substitution eliminates the need for multiple expensive screws, threaded holes, and precision threading operations, significantly reducing production costs while maintaining reliable fastening

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The fastening function is merged into the structural design of the drawer and server housing themselves through integrated snap-fit features. The fastening elements are formed as part of the molded housing structures rather than being separate components, eliminating the need for multiple discrete screws and reducing both component count and assembly complexity

Inventive Principle:

Principle #5Merging (Combining)

3Adaptability or versatility

If frequent fastening and unfastening operations are performed, then the adaptability is improved, but the wear on fastening components increases

Engineering Contradiction:

Improvereplacement frequencyVSAvoidcomponent lifespan

Core Design Contradiction:

Adaptability or versatilityVSDuration of action of stationary object

Solution Approach 1:

The screw fastening system is replaced with snap-fit connections that enable frequent engagement and disengagement operations. The elastic nature of the snap-fit elements allows for repeated deformation cycles without the wear and thread degradation that plagues screw systems, maintaining fastening reliability even after frequent replacement operations

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The fastening mechanism transitions from rigid screw-thread engagement to elastic snap-fit engagement. This parameter change in the fastening mechanism's mechanical behavior allows for frequent operations as the elastic elements can deform and recover without permanent deformation or wear, significantly extending component lifespan under frequent use conditions

Inventive Principle:

Principle #35Parameter changes

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 enables quick, simple, and cost-effective assembly and disassembly of storage modules, extending the product's lifespan while maintaining a secure fastening effect.

Implementation Method 1

the elastic engagement element is deformed and fastened to the fastener to prevent the case from being detached from a computer chassis

Methodology Applied

Scientific EffectElastic deformation: Elasticity

Data Source

PatentUS10261554B1Drawer for receiving storage module

Publication Date: 2019.04.16 SUPER MICRO COMPUTER INC(US)

AI summary

A drawer for receiving storage module is provided. The storage module drawer includes a case and a manual operating assembly. The manual operating assembly includes a fastener fixed to the case and includes an operating handle rotatably and pivotally connected to the fastener. The fastener includes two arms and a fastening hole penetrating the fastener. The operating handle includes an elastic engagement element fastened by the two arms. The elastic engagement element includes an extending bar and two claws connected to the extending bar. When the elastic engagement element is inserted through the fastening hole to cause the two arms to clamp the two claws, the case is prevented from being detached from a computer chassis where the drawer is mounted inside, so that the storage module drawer can be easily removed or fastened by using the manual operating assembly and has a long lifespan.