Removable Guide Bracket with Elastic Resilient Sheets
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Solution Overview
Problem
Conventional guide brackets for electronic device chassis are complex and costly, requiring precision tooling for installation and removal, and do not easily accommodate plug-in cards of varying widths, necessitating a cheap and easy-to-remove solution.
Innovation Solution
A removable guide bracket with resilient sheets and buttons that allow for easy insertion and removal by bending elastically to avoid snap-fit parts, combined with a unique structure using flanges and position-limiting plates for secure positioning in both forward-backward and left-right directions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional guide brackets are used, then secure positioning is achieved, but device complexity and manufacturing cost increase
Solution Approach 1:
The guide bracket is divided into an L-shaped body and separate resilient sheets with buttons. The resilient sheets are detachably connected to the L-shaped body, allowing independent manufacturing and assembly. This segmentation simplifies the overall structure while maintaining secure positioning through the snap-fit connection between buttons and the L-shaped body.
Solution Approach 2:
The guide bracket is designed as a removable, inexpensive component that can be easily replaced. The use of simple resilient sheets with snap-fit buttons instead of precision tooling and complex fastening mechanisms reduces manufacturing cost and enables easy replacement if needed.
2Manufacturing precision
If conventional guide brackets require precision tooling, then installation accuracy is improved, but ease of operation deteriorates
Solution Approach 1:
The resilient sheets with buttons automatically snap into the L-shaped body during installation, providing self-alignment and self-securing without requiring precision tooling or complex alignment procedures. The elastic deformation of the resilient sheets accommodates minor positioning variations while ensuring secure connection.
Solution Approach 2:
The resilient sheets utilize elastic deformation to transition between inserted and withdrawn states. During installation, the buttons elastically deform to pass through the L-shaped body and then snap into position, providing installation tolerance without sacrificing connection reliability.
3Ease of operation
If guide brackets are made removable, then ease of operation is improved, but reliability of positioning may worsen
Solution Approach 1:
The guide bracket transitions from a static, permanent structure to a dynamic, removable one. The resilient sheets can be elastically deformed to release the snap-fit connection, enabling easy removal. When installed, the elastic recovery force maintains a stable, secure connection that provides reliable positioning during normal operation.
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 easy installation and removal of guide brackets without precision tools, while providing secure positioning, thus simplifying the layout changes in electronic device chassis to accommodate different-sized plug-in cards.
Implementation Method 1
resilient sheets and buttons that allow for easy insertion and removal by bending elastically to avoid snap-fit parts
Data Source
AI summary
According to an example, a guide bracket and an electronic device adopting the guide bracket are provided. A free end of a resilient sheet installed in a wall of the guide bracket is to be held by a snap-fit part set in a chassis beyond the external surface of the wall where the resilient sheet is located to implement position limiting of the guide bracket in the forward-backward direction. The free end of the resilient sheet is to retreat inwards with the bending of the resilient sheet towards the interior of the wall where the resilient sheet is located to avoid the snap-fit part.