Motor Holder and Rotor Shaft Access for Drive Clutch Replacement
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Solution Overview
Problem
The frequent wear and tear of drive clutches in kitchen appliances due to high loads and vibrations during operation makes replacement cumbersome and time-consuming.
Innovation Solution
A motor holder with a main hole and radial passages, along with a rotor shaft featuring an orifice, allows for secure and efficient access to the rotor shaft, enabling easy replacement of the drive clutch without compromising other components, using a tool to prevent rotation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If the rotor shaft is securely fixed to prevent rotation during drive clutch replacement, then the drive clutch can be easily replaced, but access to the rotor shaft becomes difficult due to the assembled state
Solution Approach 1:
The invention introduces radial passages that provide a new access dimension to the rotor shaft. Instead of accessing the rotor shaft from the end (axial direction), the passages enable access from the radial direction through the motor holder, allowing a tool to penetrate the rotor shaft and prevent its rotation during drive clutch replacement.
Solution Approach 2:
The motor holder acts as an intermediary structure that facilitates access to the rotor shaft. The radial passages in the motor holder serve as conduits for introducing a tool to the rotor shaft, enabling the tool to penetrate and secure the rotor shaft without direct access from the end of the rotor shaft.
2Ease of repair
If the rotor shaft is accessible for tool insertion, then drive clutch replacement is facilitated, but the structural integrity and security of the motor holder is compromised
Solution Approach 1:
The motor holder is segmented with radial passages that divide the structure into functional zones. These passages are strategically positioned to provide access to the rotor shaft while maintaining the overall structural integrity of the motor holder. The passages are integrated into the design rather than being afterthought modifications.
Solution Approach 2:
The motor holder has different structural qualities in different regions. The radial passages are located in specific areas where they provide necessary access without compromising the critical load-bearing regions of the motor holder. The structure is optimized to maintain strength where needed while providing access where required.
Data Source
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AI summary
The invention concerns a motor holder 10 for connecting, in a mounted stage, an electric motor 100 with a gear unit 200 of a kitchen appliance. The motor holder 10 forms a main hole H configured to be run through, in the mounted stage of the motor holder, by a rotor shaft 20 of the electric motor. Moreover, the motor holder forms at least one passage P running through an enclosure 11 of the main hole H. The invention further concerns a rotor shaft 20 designated to run through a main hole H of a motor holder 10 for connecting an electric motor 100 with a gear unit 200 of a kitchen appliance. Therein, at least one orifice O is formed in the rotor shaft 20. Moreover, the invention concerns a motor assembly 1 with a motor holder 10 and a rotor shaft 20, an electric motor 100, and a kitchen appliance.