Adjustable Magnetic Door Closure Mechanism
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Solution Overview
Problem
Existing magnetic closure mechanisms for doors are prone to failure due to numerous moving parts, are aesthetically unpleasing, difficult to install, and require precise alignment, especially in double door applications where varying gaps between doors and frames lead to uneven magnetic attraction and potential air pressure issues.
Innovation Solution
A magnetic closure mechanism featuring offset magnetic assemblies with adjustable neodymium magnets and flanged housings that allow for easy installation and adjustment, using spacer washers or a coil spring to ensure proper alignment and magnetic strength, while the flanged housing conceals installation holes for a clean finish.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional spring-operated latches with handles are used, then the door can be securely closed and opened, but the mechanism has many moving parts that are prone to failure and require maintenance
Solution Approach 1:
The patent extracts and eliminates the handle and spring mechanism from the closure system, retaining only the essential latching function through a magnetic assembly that engages with the door frame without requiring manual operation or mechanical biasing components
Solution Approach 2:
The patent replaces the mechanical spring-operated latch system with a magnetic field-based closure mechanism, where magnetic attraction forces substitute for mechanical spring pressure, eliminating the need for moving mechanical parts while maintaining secure door closure
2Ease of manufacture
If surface-mounted magnetic catches are used, then installation is simplified, but the components are exposed and aesthetically unpleasing
Solution Approach 1:
The patent nests the magnetic assembly within a housing that is designed to be recessed into the door frame, with the housing contours matching the frame profile to conceal the magnetic components while maintaining easy installation through the nested configuration
3Manufacturing precision
If precise hole alignment is required for magnetic assembly installation, then magnetic strength consistency is improved, but installation time and labor complexity increase
Solution Approach 1:
The patent incorporates alignment features such as定位 pins or guide elements in the housing design that pre-establish correct positioning during installation, eliminating the need for precise manual hole alignment while ensuring consistent magnetic assembly placement
Solution Approach 2:
The housing design includes self-aligning features that automatically position the magnetic assembly correctly during installation, allowing the component to serve its own alignment function without requiring external measurement or adjustment tools
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 provides a durable, aesthetically pleasing, and easy-to-install door closure system with consistent magnetic strength, reducing labor time and ensuring a professional finish, as the magnetic assemblies are adjustable and concealed, eliminating the need for precise hole alignment and minimizing wear.
Implementation Method 1
a closure mechanism for retaining the door in the closed position within the frame... a magnetically operated closure mechanism... a first and second magnetic assembly, each of said magnetic assemblies comprising; a magnet
Data Source
AI summary
A closure mechanism and in particular to a magnetically operated closure mechanism for doors and the like which includes a first and second magnetic assembly, each of said magnetic assembly comprising a magnet; and a housing to house the magnet, wherein at least one magnetic assembly includes an adjustment mechanism to adjust the position of the magnet relative to its housing.