Magnetic Knife Holder with Guide for Stable Insertion and Retrieval
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Solution Overview
Problem
Existing knife holders require a certain degree of strength to store and retrieve knives, and there is a risk of the knife falling due to improper insertion or shifting from the magnetic positions.
Innovation Solution
A knife holder with a holder body that suspends the knife in air, using magnets for detachable support, and a guide with a contact portion that ensures stable insertion and positioning of the knife, reducing the risk of falling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If strong magnets are used to prevent the knife from falling, then the reliability of knife holding is improved, but the ease of operation for storing and retrieving the knife deteriorates
Solution Approach 1:
The knife holder is divided into multiple magnetic sections with varying strengths. The first magnet has stronger magnetic force for reliable holding, while the second magnet has weaker magnetic force for easier retrieval. This segmentation allows different zones to serve different functions within the same device.
Solution Approach 2:
Different regions of the knife holder have different magnetic properties. The first magnet location provides strong adhesion for secure storage, while the second magnet location provides weaker adhesion for easy removal. This local differentiation of quality resolves the contradiction between secure holding and easy operation.
2Reliability
If the knife is inserted deeply to ensure it is held securely, then the reliability of knife storage is improved, but the risk of the knife shifting from magnet positions increases
Solution Approach 1:
The knife holder uses multiple separate magnets rather than a single deep insertion point. The first magnet secures the upper part of the knife spine, while the second magnet secures the lower part. This segmentation distributes the holding function along the knife length, preventing shifting while maintaining security.
Solution Approach 2:
The second magnet acts as an intermediary element that stabilizes the knife position by providing additional magnetic support at a lower location. This prevents the knife from shifting horizontally or rotating, while the distributed magnetic fields allow for stable positioning without deep insertion.
3Device complexity
If a single magnet is used to hold the knife, then the device complexity is reduced, but the stability of knife holding during frequent storage and retrieval deteriorates
Solution Approach 1:
The knife holder is segmented into multiple magnetic zones with different strengths. The first magnet provides strong holding for stable storage, while the second magnet provides additional support and facilitates easier retrieval. This segmentation improves reliability without requiring complex mechanisms.
Solution Approach 2:
Instead of using one very strong magnet, the design uses two magnets with moderate to strong strength. The combined effect provides stable holding during storage, while the distribution of magnetic force allows for easier retrieval during frequent operations.
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 knife holder allows for stable storage and retrieval of knives during cooking, improving cooking efficiency and safety by preventing accidental knife falls.
Implementation Method 1
a magnet (30) attached to the holder body (10) and configured to adhere to and magnetically support the top portion (t) of the spine (bh) of the knife (h) in a detachable manner
Data Source
AI summary
A knife holder includes a holder body configured to hold a top portion of a spine of a knife and suspend the entire knife in air, a magnet attached to the holder body and configured to adhere to and magnetically support the top portion of the spine of the knife in a detachable manner, and a guide provided at an insertion position further in front than the magnet when the knife is inserted from an insertion portion of the holder body, the guide including a contact portion configured to come into contact with the top portion of the spine of the knife at least at a position lower than an adhesion surface of the magnet.