Electronic Card Housing With Guide Grooves And Elastic Clips
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Solution Overview
Problem
The existing methods for installing and fixing electronic cards in server rack cabinets are lengthy and require numerous mechanical components, making the process tedious and inefficient.
Innovation Solution
A box design featuring a chassis with guide walls and a backplane card system that allows for easy installation and fixing of electronic cards without screws, using guide grooves, male and female elements, and elastic clips to secure the cards in place.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional clamping screws and mechanical components are used to secure electronic cards, then the components are held securely, but the assembly process becomes lengthy and tedious
Solution Approach 1:
The patent removes traditional screws and mechanical fastening components from the assembly process. Instead, electronic cards are secured through friction fit between the card edges and guide wall grooves, combined with the locking action of male-female elements that engage automatically during insertion, eliminating the need for separate fastening operations
Solution Approach 2:
The housing structure provides self-securing functionality through its integrated guide walls with grooves and male-female elements that automatically engage with the electronic card during insertion. The friction fit and interlocking features work automatically without requiring external fastening actions, making the assembly process self-completing
2Reliability
If numerous mechanical components are used to ensure secure holding, then the components are fixed reliably, but the device complexity increases
Solution Approach 1:
The patent combines multiple functions into the housing structure itself: guide walls provide both guidance and friction-based holding, while male-female elements integrated into the guide walls provide both positioning and locking functions. This eliminates the need for separate screws, bolts, and fasteners, reducing component count while maintaining security
Solution Approach 2:
The guide walls serve multiple functions simultaneously: they guide the electronic card during insertion, provide friction surfaces for holding the card securely, and incorporate male-female elements for automatic locking. This multi-functionality reduces the need for dedicated components for each function
3Strength
If traditional screw-based assembly is used, then components are secured firmly, but the installation process becomes tedious
Solution Approach 1:
The patent replaces the manual screw-fastening mechanical system with an automatic friction-fit and interlocking system. The male-female elements and guide wall grooves create automatic mechanical engagement during insertion, eliminating the need for manual screw tightening operations while maintaining firm securing
4Reliability
If multiple mechanical components are used for fixing, then the electronic cards are held securely, but the extraction process becomes complicated
Solution Approach 1:
The patent creates a dynamic locking system where the male-female elements can easily transition between engaged and disengaged states. The elastic nature of the female elements allows them to deform during insertion for automatic locking, and to deform again during extraction for easy release, providing both secure holding and easy removal
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 quick and solid installation of electronic cards without additional mechanical elements, ensuring secure positioning and easy extraction, thereby simplifying the assembly process.
Implementation Method 1
a clip disposed at the end of the guide wall oriented on the side opposite the insertion wall and taking the form of an elastic strip having at its free end a tooth oriented towards the bottom
Data Source
Figure 1
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AI summary
The invention concerns a housing for an electronic card comprising: a frame having: a base (104) with a female element (204) and a recess (208); a cover (130); and an insertion wall having, for the electronic card, a window through which the electronic card can be inserted or removed; and two guiding walls (126), each comprising a guiding groove intended for accommodating said electronic card, and each comprising: a male element (202) intended for engaging by insertion with a female element (204); a tab (206) arranged at the end of the guiding wall (126) directed on the side opposite the insertion wall, in the form of an arm (210) with, at the free end of same, a stud (212) intended for fitting into the housing (208); a clip (214) arranged at the end of the guiding wall (126) directed on the side opposite the insertion wall and in the form of a resilient strip (216) provided at the free end thereof with a tooth (218) directed toward the base (104), and the surface of the strip (216) which is directed towards the cover (130) being provided such as to abut against said cover (130); and a backplane electronic card (116) intended for fitting between the strip (216) and the arm (210).