Dishwasher Rack Elevation Using Magnetic Slider Engagement
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In dishwashers with multiple racks, users experience strain and backaches due to the need to bend when loading or unloading lower racks, and existing elevating mechanisms are unreliable and decrease quality perception by requiring user intervention.
Innovation Solution
A dishwasher design featuring magnet pairs or magnet-ferromagnetic plate pairs that automatically engage with elevating sliders when the rack is changed to a loading/unloading position, allowing the rack to be lifted without user intervention, using magnetic attraction to secure engagement and a spring mechanism for easy disengagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If switch mechanisms, suspension mechanisms, or rail mechanisms are used to lift the rack, then the rack can be elevated to reduce user strain, but user intervention is required which decreases reliability and quality perception
Solution Approach 1:
The rack automatically engages with the elevating mechanism through magnetic attraction when pulled to the loading/unloading position. The magnet pair on the rack and slider creates automatic engagement without requiring user intervention to activate switches or engage retaining means, making the system self-activating and more reliable
Solution Approach 2:
The patent replaces traditional mechanical engagement systems (switch mechanisms, retaining means, sliders) with a magnetic field-based engagement system. The magnet pair creates automatic attraction and engagement between the rack and elevating mechanism, eliminating the need for complex mechanical activation components and user intervention
2Stability of the object's composition
If retaining means are used to engage the rack with the elevating means, then the rack can be secured during elevation, but the movable openable/closable nature of retainers reduces reliability
Solution Approach 1:
The patent replaces mechanical retaining means with a magnetic field-based engagement system. The magnet pair creates continuous attractive force that automatically engages and secures the rack to the elevating mechanism, eliminating movable openable/closable retainers and providing more reliable, fail-safe engagement
3Ease of operation
If the slider is positioned at the lower level when the rack is in loading/unloading position, then the rack can be easily accessed, but magnetic repulsion prevents automatic engagement
Solution Approach 1:
The patent uses a dynamic magnetic engagement system where the magnetic interaction changes based on the relative position of the rack and slider. When the rack is pulled forward, the magnet pair automatically engages through magnetic attraction, and when the rack is pushed back, the magnets separate, providing automatic engagement/disengagement based on rack position
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 effortless access to racks without bending, ensuring user safety and improving the quality perception by eliminating the need for user intervention in the elevating process, while maintaining reliable engagement and disengagement of the rack with the elevating means.
Implementation Method 1
at least one magnet pair or at least one magnet - ferromagnetic plate pair positioned on the rack and the slider to be opposite to one another, enabling the rack to be engaged with the elevating means. Thus, the rack is magnetically engaged with the elevating means
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The present invention relates to a dishwasher (1) comprising a body (2) having two side walls (3); a door (4) providing access into the body (2); a rack (5) whereon the items to be washed are placed, having a washing position wherein the rack (5) is entirely inside the body (2) and a loading/unloading position wherein the rack (5) is almost entirely taken outside the body (2) by pulling forwards, and an elevating means (6) that enables the position of the rack (5) to be changed in the vertical direction in the loading/unloading position and that has at least two sliders (7) disposed oppositely each on one of the opposite side walls (3) and that move in the vertical direction.