Grinder
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Solution Overview
Problem
Existing hand mills require complex setup to convert manual operation to electric power, leading to user fatigue and difficulty in setting up for grinding food like coffee beans, tea leaves, and spices.
Innovation Solution
A grinder with a connecting part attached to a rotating shaft of a hand mill, a motor to rotate the connecting part, and an actuator button to control the motor's operation, along with attachments for secure fitting and size/shape adjustments to accommodate different hand mill shapes, allowing easy conversion to electric power operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a disk with ladder chain and sprocket is attached to convert hand mill to electric operation, then user fatigue is reduced, but the complexity of setting increases
Solution Approach 1:
The invention extracts and eliminates the complex ladder chain and sprocket mechanism from the conversion process. Instead, it directly attaches a motor to the rotating shaft of the hand mill, removing the intermediate mechanical transmission components that caused setting complexity while still achieving electric-powered operation.
Solution Approach 2:
The motor unit is designed with universal attachment capability to fit multiple types of hand mills. The motor can be directly coupled to various rotating shafts through adaptive mounting mechanisms, allowing one motor design to serve multiple hand mill models without requiring complex model-specific transmission components like ladder chains and sprockets.
2Adaptability or versatility
If multiple attachments are provided for different hand mill shapes, then adaptability is improved, but device complexity increases
Solution Approach 1:
The attachment mechanism incorporates dynamic and adjustable elements that can adapt to different hand mill shapes and sizes. Rather than providing separate fixed attachments for each shape, the motor unit includes adjustable mounting structures that can be configured to fit various rotating shaft geometries, reducing the number of separate attachments needed.
Solution Approach 2:
The attachment system allows for parameter changes in mounting configuration to accommodate different hand mill types. The motor unit can adjust its attachment parameters (such as mounting position, angle, and coupling method) to suit various hand mill shapes, eliminating the need for multiple dedicated attachments for each shape variant.
Data Source
AI summary
A grinder includes a connecting part configured to be attached to a rotating shaft to which a handle of a hand mill configured to grind food by hand is mounted; and a motor configured to rotate the connecting part and abut on the connecting part.