Coffee Grinder Movable Coupling for Reduced Wear and Easy Maintenance
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Solution Overview
Problem
Existing coffee grinder systems face issues with complex and precise adjustment of the drive device within the housing, leading to potential malfunctions, wear, and difficulty in maintenance due to fixed components.
Innovation Solution
A coffee grinder system with a movable and self-centering coupling between the coffee grinder and the drive device, allowing for displacement and torque transmission without tools, enabling easy assembly and disassembly for maintenance and operation with either an electric drive or hand crank.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the drive device is fixedly installed in the housing with precise adjustment, then the driving reliability is improved, but the device complexity increases and repair becomes difficult
Solution Approach 1:
The patent applies the dynamics principle by making the coffee grinder movably coupled to the drive device, allowing relative movement between components. This dynamic coupling replaces the fixed installation, enabling the system to automatically adjust and compensate for misalignment while maintaining reliable torque transmission, thus resolving the contradiction between driving reliability and adjustment complexity
Solution Approach 2:
The self-centering coupling mechanism embodies the self-service principle by automatically adjusting the position of the coffee grinder relative to the drive device. The coupling device autonomously centers the components during operation, eliminating the need for complex manual adjustments and precise factory calibration, thereby reducing device complexity while maintaining reliability
2Stability of the object's composition
If the components are fixedly installed in the housing, then the structural stability is improved, but the ease of repair deteriorates
Solution Approach 1:
The patent applies segmentation by separating the coffee grinder from the drive device through a movable coupling interface. This modular design allows the coffee grinder to be easily detached and removed from the housing for maintenance or replacement, significantly improving ease of repair while the coupling mechanism maintains structural stability during operation
Solution Approach 2:
The dynamic movable coupling allows the system to maintain structural stability during operation while enabling easy disassembly for repair. The coupling device provides stable torque transmission when connected but allows quick detachment when maintenance is needed, resolving the contradiction between operational stability and repair accessibility
3Manufacturing precision
If precise adjustment is made at the factory, then the initial performance is improved, but the adaptability deteriorates
Solution Approach 1:
The self-centering coupling mechanism provides adaptability by automatically adjusting to different operating conditions and component variations. Instead of relying on precise factory adjustment, the system self-adapts during operation, allowing it to accommodate different configurations and maintain performance, thus improving adaptability while reducing manufacturing precision requirements
4Power
If the drive device and grinding mechanism are rigidly connected, then the torque transmission efficiency is improved, but the reliability deteriorates due to wear and jamming
Solution Approach 1:
The patent resolves this contradiction by implementing a movable coupling that allows controlled relative movement between the drive device and coffee grinder. This dynamic connection maintains effective torque transmission while accommodating misalignment and reducing stress concentrations, thereby preventing wear and jamming that would occur with rigid connections, thus improving connection reliability without sacrificing torque transmission efficiency
Data Source
AI summary
The invention relates to a coffee grinder system comprising a coffee grinder, which contains a housing and a grinding mechanism arranged in the housing, and comprising a drive device for driving the grinding mechanism. The coffee grinder system is distinguished in that the coffee grinder is or can be movably and/or self-centeringly coupled to the drive device.