Electric Knife Sharpener With Adjustable Staggered Grinding Wheels
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Solution Overview
Problem
Existing knife sharpeners struggle to effectively adapt to different types of knives, leading to inefficiencies and reduced sharpness due to inadequate adjustment mechanisms.
Innovation Solution
An electric knife sharpener with parallel first and second grinding structures featuring staggered grinding wheels and an adjustment mechanism that allows for varying the depth of insertion of second grinding wheels between first grinding wheels, enabling adaptation to different knives and improving grinding efficiency and quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If fixed grinding wheel arrangement is used, then device structure is simple, but adaptability to different knives is poor
Solution Approach 1:
The patent implements dynamic adjustability by allowing the second grinding wheels to move along the first grinding wheels. The adjustment structure enables the depth of insertion of second grinding wheels into the spacing between first grinding wheels to be varied, transforming a static fixed arrangement into a dynamic adjustable system that can adapt to different knife types and sizes.
Solution Approach 2:
The grinding structure is segmented into multiple first grinding wheels and multiple second grinding wheels arranged in staggered configurations. This segmentation creates multiple grinding spaces between adjacent grinding wheels, allowing selective adjustment of individual grinding wheel positions to accommodate different knife geometries while maintaining overall structural organization.
2Manufacturing precision
If fixed grinding depth is used, then operation is simple, but grinding quality varies for different knives
Solution Approach 1:
The adjustment structure enables dynamic modification of grinding depth by allowing second grinding wheels to move to different positions along the first grinding wheels. This dynamic adjustment capability allows optimization of grinding parameters for different knife types while maintaining a user-friendly operation interface through straightforward mechanical adjustment.
Solution Approach 2:
The patent changes the parameter of grinding depth by varying the depth of insertion of second grinding wheels into the spacing between first grinding wheels. This parameter adjustment allows optimization of grinding quality for different knife types while maintaining operational simplicity through direct mechanical control of the adjustment structure.
3Ease of operation
If larger spacing between grinding wheels is used, then knife access is improved, but grinding included angle control becomes difficult
Solution Approach 1:
The adjustment structure provides dynamic control over the grinding included angle by allowing second grinding wheels to move to different depths along the first grinding wheels. This dynamic adjustment enables precise control of the grinding included angle even when larger spacing between grinding wheels is used, maintaining both knife access and grinding precision.
Solution Approach 2:
The patent introduces an additional dimension of adjustment by allowing movement of second grinding wheels along the first grinding wheels in the depth direction. This dimensional change enables independent control of grinding included angle from the spacing between grinding wheels, resolving the conflict between knife access and angle control.
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 enhances the sharpener's ability to accommodate various knives, reducing burrs and increasing sharpness while ensuring stable and efficient grinding operations.
Implementation Method 1
a first grinding structure, the first grinding structure including a plurality of first grinding wheels which are parallel to each other and configured to sharpen a knife
Data Source
AI summary
The disclosure relates to an electric knife sharpener, including: a first grinding structure, the first grinding structure including a plurality of first grinding wheels which are parallel to each other and configured to sharpen a knife, and adjacent first grinding wheels being arranged spaced apart from each other; a second grinding structure, the second grinding structure including a plurality of second grinding wheels which are parallel to each other and configured to sharpen a knife, adjacent second grinding wheels being arranged spaced apart from each other, a grinding space for grinding a knife being formed between the first grinding structure and the second grinding structure, and the first grinding wheels and the second grinding wheels being arranged in a staggered manner; and an adjustment structure, the adjustment structure being capable of driving the second grinding structure to move.