Magnetic Clothing Rack with Switchable Holding Force
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Solution Overview
Problem
Magnetic clothing racks require significant force to suspend heavy coats without falling, and this force makes them difficult to remove, especially in cramped spaces with non-ergonomic heights.
Innovation Solution
A clothing rack device with a magnet that can be switched between two states, adjusting magnetic force and flux density, using a release device and support magnets or springs to facilitate easier attachment and detachment by altering the magnetic field strength and orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a permanent magnet is used to suspend heavy coats, then the clothing rack can hold heavy clothing without falling, but the force required to remove the clothing rack becomes too large
Solution Approach 1:
The magnet is made rotatable around a rotation axis, allowing it to dynamically change its magnetic pole orientation. When attached to a surface, the magnetic poles are perpendicular to the surface providing strong holding force. When removed, the magnet rotates to align poles parallel to the surface, reducing removal force requirement.
Solution Approach 2:
The magnetic field parameters (pole orientation relative to the surface) are changed by rotating the magnet. This changes the magnetic force characteristics from high attachment force (perpendicular orientation) to low removal force (parallel orientation), resolving the contradiction between strong holding and easy removal.
2Reliability
If a permanent magnet with sufficient force is used to prevent the clothing rack from falling, then heavy coats can be suspended, but the clothing rack becomes difficult to remove in cramped spaces
Solution Approach 1:
The rotatable magnet provides dynamic control over magnetic force characteristics. The same magnet that provides reliable suspension (perpendicular pole orientation) can be easily removed by rotating to parallel orientation, making operation easy even in cramped spaces without compromising suspension reliability.
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 the suspension of heavy clothing without falling while reducing the force required for removal, achieving space savings and ergonomic handling.
Implementation Method 1
a magnet is arranged in a section of the clothing rack device to attach the clothing rack device with a bonding surface to a separate surface
Implementation Method 2
the magnetic flux density through the bonding surface is greater in the first state than in the second
Data Source
AI summary
Clothing rack device (1) for suspension of clothes, in which a magnet (2) is arranged in a section of the clothing rack device (1) adapted to attach the clothing rack device (1) with a bonding surface (4) to a separate surface (5), where in the clothing rack device (1) further comprises a release device (7) adapted to be moved between a first and second state, in which the magnetic force between the magnet (2) and a separate surface (5) abutting the bonding surface (4) is greater in the first state than in the second.