Telescopic Fixing Block for Variable-Size Electronic Components

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Solution Overview

Problem

Existing fixing methods for electronic components in chassis are inconvenient as they require frequent changes to accommodate components of different sizes.

Innovation Solution

A fixing device comprising a fixing block, a telescopic block, and a chassis with integrated features such as a holding slot, hooks, and a stopping mechanism, allowing for easy adaptation to various electronic component sizes through a combination of sliding, inserting, and hooking mechanisms.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If traditional fixing methods are used for electronic components, then the fixing structure is simple, but the adaptability to different component sizes is poor and frequent changes are required

Engineering Contradiction:
Improveadaptability to different component sizesVSAvoidfixing structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The fixing device employs a telescopic block that can extend and retract within the fixing block, allowing the holding portion to dynamically adjust its length. This dynamic structure enables the same fixing device to accommodate electronic components of different sizes without requiring structural changes, thus improving adaptability while maintaining reasonable device complexity

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The fixing device is designed with universal applicability through the telescopic mechanism that can adjust to various component dimensions. The insert slot and holding structure serve multiple functions: securing components of different sizes, providing stable support, and enabling easy installation and removal. This multi-functionality resolves the contradiction by making one fixing structure suitable for diverse component types

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If frequent changes are made to fix different component sizes, then adaptability is improved, but the operation time and convenience deteriorate

Engineering Contradiction:
Improveadaptability to different component sizesVSAvoidinstallation and removal time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The telescopic block can be quickly extended or retracted to match different component sizes without requiring complete disassembly or reconfiguration. This dynamic adjustment capability significantly reduces the time needed to adapt the fixing device to different components compared to traditional methods that require frequent structural changes

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The fixing device is pre-configured with the telescopic mechanism and insert slots that can accommodate various component types. This preliminary design preparation eliminates the need for on-site modifications or frequent changes, allowing operators to quickly adapt to different components by simply adjusting the telescopic block position

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If a fixed-length fixing structure is used, then the structure is simple, but the ability to hold components of different sizes is limited

Engineering Contradiction:
Improveholding capability for different component sizesVSAvoidfixing block structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The telescopic block replaces the fixed-length structure with a dynamic extension mechanism. The block can extend to provide adequate support for larger components or retract for smaller ones, maintaining simplicity in the overall design while adding only the necessary telescopic components to achieve adaptability

Inventive Principle:
Principle #15Dynamics

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

Enables convenient and secure fixation of electronic components of different sizes on a motherboard within a chassis, facilitating easy installation and removal.

Implementation Method 1

The stopping block and the fixing block are connected by a resilient board, and the stopping block is further provided with a handle. The handle is pressed for conveniently pulling out the stopping block from the stopping hole. The resilient board is used to elastically reset the stopping block after releasing the handle.

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentUS11184990B2Fixing device and chassis having same
Publication Date: 2021.11.23 HONG FU JIN PRECISION IND (WUHAN) CO LTD
  • US11184990B2 patent drawing
  • US11184990B2 patent drawing
  • US11184990B2 patent drawing

AI summary

The present disclosure provides a fixing device for fixing an external electronic component on a motherboard in a chassis. The fixing device includes a fixing block and a telescopic block. The fixing block is fixed on the chassis. One end of the telescopic block is slidably mounted in the fixing block, the other end protrudes from the fixing block and holds the electronic component. A chassis including the above-described fixing device to hold electronic components of different sizes is also provided.