Adjustable Light Fixture Mounting for Single-Person Installation
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Solution Overview
Problem
The installation of light fixtures is challenging due to the need for precise alignment of screw holes on a bracket with corresponding holes in a mounting bracket, often performed in hard-to-reach locations and involving heavy fixtures that require multiple people for stabilization during installation.
Innovation Solution
A light fixture mounting system with a slanted surface on the mounting plate and a buckle mechanism that allows for single-person installation by securing the fixture with fasteners that engage the slanted surface, accommodating asymmetrical weights and providing rotational adjustment, and using a spring buckle for additional friction and tolerance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional screw hole alignment method is used, then secure mounting is achieved, but installation difficulty increases due to precise alignment requirements and hard-to-reach locations
Solution Approach 1:
The mounting plate incorporates a slanted surface that allows the light fixture to be rotated and adjusted to different angular positions during installation. This dynamic adjustment capability enables the installer to align the fixture conveniently while maintaining secure mounting, eliminating the need for precise pre-alignment of screw holes in hard-to-reach locations.
Solution Approach 2:
The slanted surface acts as an intermediary mechanism between the mounting plate and the light fixture. It provides a transitional interface that allows for rotational adjustment and positioning, mediating the alignment process and enabling secure mounting without requiring direct precise alignment of screw holes during installation.
2Illumination intensity
If heavy light fixture is installed, then adequate lighting is provided, but installation complexity increases due to stabilization requirements and manual effort
Solution Approach 1:
The slanted surface enables the heavy light fixture to be rotated and positioned dynamically during installation, allowing a single installer to manage the fixture's weight and alignment more easily. The rotational capability provides leverage and positioning advantage, reducing the need for multiple people to stabilize the fixture during installation.
3Device complexity
If fixed mounting position is used, then simple structure is maintained, but adaptability decreases due to inability to adjust for asymmetrical weights and different locations
Solution Approach 1:
The slanted surface introduces dynamic positioning capability to an otherwise simple fixed mounting structure. It allows the light fixture to be rotated and adjusted to different angular positions, providing adaptability for asymmetrical weights and different installation locations while maintaining a relatively simple overall structure.
Solution Approach 2:
The slanted surface creates an asymmetrical interface that accommodates asymmetrical weight distributions of light fixtures. This asymmetric design element provides rotational adjustment capability, allowing the fixture to be positioned optimally regardless of its weight distribution, thereby increasing adaptability without significantly complicating the overall structure.
Data Source
AI summary
A light fixture includes a sconce, a mounting plate, a backplate, and a buckle. The sconce includes a symmetrical portion and an asymmetrical portion. The mounting plate includes a circular cross-section in a circumferential direction. The backplate includes a ramped surface configured to support the light fixture via the mounting plate, and the backplate has a circular cross-section in a circumferential direction. The buckle is configured to latch on the buckle and be supported by the mounting plate via the buckle so that the buckle applies a frictional force to oppose a rotation force placed on the light fixture by the asymmetrical portion of the sconce.