Modular Electrical Device Front-Loading Snap-Fit Mechanism
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Solution Overview
Problem
Existing methods for fixing electrical components to frames are either time-consuming with screws or unstable without them, and do not facilitate easy removal for maintenance or replacement.
Innovation Solution
A modular electrical device with a frame featuring multiple engagement members, including flexible members with teeth and guiding members, allowing easy insertion and stable fixation of components without screws, enabling easy installation and removal of electrical components from the front.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If components are fixed to the frame by means of screws, then stable and reliable fixing is achieved, but the installation process becomes time consuming
Solution Approach 1:
The patent removes screws entirely from the fixing mechanism, extracting the time-consuming fastening operation while maintaining reliability through alternative engagement means (clips, snap-fits, or tool-less locking mechanisms) that achieve secure fixation without threaded fasteners
Solution Approach 2:
The frame and components are designed with self-aligning and self-fixing features that automatically engage when components are inserted, eliminating the need for manual screw tightening and allowing the system to secure itself through elastic deformation or mechanical interlocking
2Loss of time
If components are fixed to the frame without screws, then installation time is reduced, but stable and reliable fixing is not ensured
Solution Approach 1:
The patent employs dynamic fixing mechanisms such as elastic clips or spring-loaded engagement members that adapt to manufacturing tolerances and provide continuous contact pressure, ensuring reliable fixation without rigid mechanical fasteners while maintaining quick installation
Solution Approach 2:
The frame and components utilize composite construction with integrated engagement features combining different material properties (e.g., rigid frame with flexible engagement arms) to achieve both quick installation and secure fixation through material-level design rather than separate fastening elements
3Ease of operation
If components are fixed without screws, then easy installation is achieved, but easy removal for maintenance is not facilitated
Solution Approach 1:
The patent divides the fixing system into separable engagement modules that allow components to be independently removed from the frame without affecting other components, enabling maintenance access while preserving quick-install features through modular clip or latch mechanisms
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 simplifies the connection and removal of electrical components, ensuring stable and reliable fixing while preventing unwanted detachment, thus improving installation efficiency and maintenance accessibility.
Implementation Method 1
Each engagement member has a flexible member 2, which is provided with a tooth 3
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A modular electrical device, particularly for switches, sockets and other electrical components to be applied to a wall, which includes a frame and one or more electrical components which can be fixed to the frame; the frame includes engagement members suitable to engage grip members provided on the electrical components to be an associated with the frame. The engagement members and the grip members include an axial guiding means, which is suitable to allow guided sliding of the electrical component with respect to the frame, and a means for locking the axial movement of the electrical component with respect to the frame.