Tool-Free Fan Fixing Mechanism for Electronic Heat Dissipation
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Solution Overview
Problem
Conventional fixing mechanisms for fan units in electronic devices are complex and inconvenient to assemble or disassemble, hindering efficient heat dissipation due to their reliance on bolts, screws, and rivets.
Innovation Solution
A fixing mechanism comprising a casing with positioning, fixing, and resilient components, allowing for quick assembly and disassembly of fan units without tools, utilizing a sliding and resilient design to securely fasten fan units against constraining portions, enhancing airflow guidance and vibration reduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional fixing mechanisms use bolts, screws, and rivets to lock fan units, then the fan units are securely fixed on the supporter, but the assembling and disassembling procedures become complicated and inconvenient
Solution Approach 1:
The fixing mechanism is divided into independent functional components: positioning component for alignment, fixing component for clamping, and resilient component for applying force. This segmentation allows each component to perform its specific function efficiently while enabling tool-free assembly and disassembly operations.
Solution Approach 2:
The fixing component is designed to be movable along the positioning component, transitioning between a fixing position (where it abuts the fan unit against the constraining portion) and a releasing position (where it allows easy removal). This dynamic design enables the mechanism to adapt between secure fixation and convenient disassembly states without requiring tools.
2Productivity
If multiple fan units are assembled using conventional fixing mechanisms, then the heat dissipating efficiency increases, but the assembly complexity and time consumption increase
Solution Approach 1:
Each fan unit is fixed by an independent fixing mechanism with separate positioning, fixing, and resilient components. This allows fan units to be assembled or disassembled independently without affecting other units, significantly reducing assembly time when multiple fans need to be installed or maintained.
Solution Approach 2:
The resilient component automatically applies clamping force to secure the fan unit when the fixing component is positioned, eliminating the need for additional fastening operations. The mechanism self-secures the fan unit through the resilient force, reducing assembly steps and time consumption.
3Adaptability or versatility
If a fixed number of fan units are installed in the casing, then the structure is simple, but the adaptability to different heat dissipating demands is limited
Solution Approach 1:
The fixing mechanism uses discrete, modular components (positioning component, fixing component, resilient component) that can accommodate different numbers of fan units. Each fan unit requires one complete set of these components, allowing flexible configuration from one to multiple fan units without redesigning the overall structure.
Solution Approach 2:
The positioning component serves multiple functions: it positions the fixing component, guides the fan unit during assembly, and supports the resilient component. This multi-functionality reduces the number of separate parts needed, maintaining structural simplicity while enabling adaptable configuration for different heat dissipating requirements.
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 efficient heat dissipation by allowing flexible configuration of fan units in series or parallel connections, reducing assembly complexity and improving airflow guidance while eliminating vibrations, thus enhancing the overall cooling performance of electronic devices.
Implementation Method 1
A resilient recovering force of the resilient component pushes the contacting portion to press the fan unit so as to abut the fan unit against the constraining portion
Data Source
AI summary
An electronic device with heat dissipating function has a fixing mechanism, and the fixing mechanism includes a casing, a positioning component, a fixing component and a resilient component. The casing includes a blocking slab, lateral slabs connected with each other, and a constraining portion disposed on the lateral slabs. The positioning component is disposed inside the casing, and a fan unit is slidably disposed on the positioning component. The fixing component includes a contacting portion and a guiding portion. The guiding portion is disposed on the contacting portion, and the contacting portion is slidably disposed on the positioning component. The guiding portion can move in/out of an outlet of the casing. The resilient component is disposed on the positioning component, and pushes the contacting portion to press the fan unit onto the constraining portion.