Electric grinding device
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional electric grinding devices for granular seasonings like salt and pepper face challenges such as limited space for seasoning accommodation, inconvenient filling mechanisms, and issues with unintentional operation due to posture-sensitive switches. Additionally, adjusting the particle size is complex and inconvenient.
Innovation Solution
The electric grinding device features a main body assembly with guiding channels and a hopper, allowing materials to smoothly enter the grinding space regardless of posture. It includes a dual power switch mechanism to prevent unintentional operation and an adjustable ring for easy particle size adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If the driving mechanism and grinding assembly have relatively larger volume, then the grinding function is improved, but the space for seasoning accommodating room becomes constricted
Solution Approach 1:
The patent places the driving mechanism (motor) inside the upper shell, utilizing the hollow space within the shell structure. The motor is positioned in the upper portion of the upper shell, with the seasoning accommodating room formed by the remaining space below the motor. This nesting arrangement allows the driving mechanism to be integrated within the existing shell structure rather than occupying external space, thereby preserving more volume for seasoning accommodation while maintaining adequate grinding power.
2Power
If the upper and lower shells are dismounted for filling seasoning, then the grinding function is maintained, but the operation becomes inconvenient
Solution Approach 1:
The patent divides the shell structure into an upper shell and a lower shell that can be easily separated. The upper shell contains the motor and can be detached from the lower shell, allowing users to fill seasoning through the opening in the upper shell without needing to disassemble the entire grinding mechanism. This segmentation enables convenient refilling while preserving the complete grinding function when assembled.
3Device complexity
If no feeding passageway is designed, then the structure is simpler, but the seasoning entry into grinding space becomes difficult when held at inclined postures
Solution Approach 1:
The patent introduces a feeding passageway that extends from the seasoning accommodating room down to the grinding space, creating a dedicated material flow path in the vertical dimension. This passageway ensures that seasoning can flow smoothly into the grinding area regardless of the device's inclination angle, as the passageway provides a gravity-assisted channel that maintains material flow in the downward direction toward the grinding elements.
4Extent of automation
If a posture switch is used for automatic power control, then the operation is automated, but unintentional operation occurs when the device is tipped
Solution Approach 1:
The patent introduces a switch mechanism that acts as an intermediary between the posture detection function and the power control. This switch is positioned and designed to respond only to the intended operational posture (when the device is held correctly for grinding), requiring a specific orientation or manual activation. The switch mediates between the automatic posture detection and power delivery, ensuring that power is supplied only when the device is in the correct operational position, thereby preventing accidental activation when tipped or stored in incorrect orientations.
5Manufacturing precision
If a complex mechanism is used for adjusting particle size, then the grinding precision is improved, but the usage becomes inconvenient
Solution Approach 1:
The patent employs adjustable grinding elements (such as adjustable grinding plates or rotatable grinding surfaces) that allow users to change the particle size output by modifying the gap or contact pressure between grinding surfaces. The adjustment mechanism is designed to be dynamically adjustable during operation or between uses, enabling users to select different particle sizes based on their needs without requiring complex reconfiguration. This dynamic adjustability provides precise particle size control while maintaining operational convenience through simple user-adjustable mechanisms.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
An electric grinding device includes an outer barrel (11), an inner shell (12) disposed in the outer barrel (11) and provided therein with a battery (30) and a motor (40), two guiding channels (C) formed between the outer barrel (11) and the inner shell (12), a hopper (15) located below the two guiding channels (C) and communicating with the two guiding channels (C), and a grinding sleeve (60A) and a grinding head (60B) disposed in the grinding sleeve (60A), which are located below the hopper (15). A grinding gap (G) communicating with the hopper (15) is formed between the grinding head (60A) and the grinding sleeve (60B). The two guiding channels (C) enable the material to be ground to enter the hopper (15) through anyone of the guiding channels (C) smoothly and then enter the grinding gap (G) to be ground into small particles.