Ceiling Mounting Unit with Ratchet Clamp for Electrical Components
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Solution Overview
Problem
The existing methods for installing detector systems in buildings require multiple visits by electricians, increasing costs, as ceiling installers cannot mount detector units through ceiling tiles without specialized assistance, and existing solutions are cumbersome and require balancing on ladders.
Innovation Solution
A mounting unit comprising a bezel and a clamp that can be fitted to a ceiling tile before installation, allowing electrical components to be wired in beforehand, with ratchet portions for secure fitting across various tile thicknesses and a rotation restrictor to prevent component movement, enabling safe and efficient installation by ceiling installers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the existing two-piece connection unit with spring arms and snap-fitting is used, then the detector can be mounted through the ceiling tile, but the installation requires the electrician to return after ceiling installation and requires balancing on a ladder
Solution Approach 1:
The mounting unit is pre-assembled on the upper side of the ceiling tile before the ceiling is installed. The clamp is attached to the back box and positioned on the upper side of the tile, with the locking ridges already engaged. This preliminary assembly allows the ceiling installer to complete the mounting process after ceiling installation without requiring an electrician to return, as all electrical connections are already made during the initial wiring phase.
2Reliability
If the existing connection unit with spring arms is used, then the front rim can be secured to the ceiling tile, but the installer must reach around to the top of the tile and balance on a ladder
Solution Approach 1:
Instead of securing the detector from below the ceiling tile as in conventional designs, this invention positions the clamp on the upper side of the ceiling tile. The clamp engages the back box and is secured to the upper surface of the tile, with the locking mechanism operating from above rather than below. This inversion allows the ceiling installer to work from a stable position without needing to balance on a ladder while maintaining secure attachment.
3Adaptability or versatility
If the existing snap-fitting mechanism with three prongs is used, then the front rim attaches to the back box, but the alignment requires precise positioning while balancing on a ladder
Solution Approach 1:
The complex three-prong snap-fitting alignment mechanism is replaced by extracting the alignment function into a simpler ratchet-based locking system. The locking ridges on the clamp engage with corresponding features on the back box in a straightforward manner that does not require precise three-point alignment. This simplification maintains compatibility with ceiling tiles while eliminating the alignment complexity that previously required the installer to balance on a ladder.
Data Source
AI summary
A mounting unit (10) for mounting an electrical component (16) to a panel has a first member (12) arranged to engage a first side of said panel and a second member (14) arranged to engage the first member and a second, opposite side of said panel, so as to secure the first and second members to opposite sides of the panel through a hole in the panel. The first and second members define a space for receiving the electrical component. The mounting unit is particularly suitable for mounting the electrical component to a ceiling tile.