Electric motor and food processor
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Solution Overview
Problem
Existing food processors with dual-shaft beating functions often suffer from damage to the external transmission mechanism during assembly and interference from loose parts, leading to reduced reliability and service life.
Innovation Solution
An electric motor with a gear transmission mechanism integrated within, featuring concentric inner and outer rotary shafts connected via a gear transmission mechanism, which is protected and securely assembled, preventing damage and interference from loose parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an external transmission mechanism is used to drive the two concentric shafts, then the food processor can achieve dual-shaft beating function, but the transmission mechanism is easily damaged during assembly and affected by loose parts
Solution Approach 1:
The transmission mechanism is merged with the motor body to form an integrated structure. The gear transmission mechanism is installed inside the motor cavity, combining the motor and transmission functions into a single compact unit, eliminating the separate external transmission mechanism and its associated reliability issues
Solution Approach 2:
The gear transmission mechanism is nested within the motor cavity. The gears and transmission components are housed inside the motor body, with the inner and outer rotary shafts concentrically arranged within the motor structure, creating a space-efficient nested configuration
2Reliability
If the gear transmission mechanism is integrated within the motor, then the reliability and service life are improved, but the motor structure becomes more complex
Solution Approach 1:
The motor stator, rotor, and gear transmission mechanism are merged into a single integrated assembly. The transmission mechanism shares the motor cavity and structural components, combining multiple functions into one unified structure that improves reliability while managing complexity through integration
3Reliability
If the gear transmission mechanism is protected within the motor cavity, then damage and interference from loose parts are prevented, but the assembly structure becomes more complex
Solution Approach 1:
The gear transmission mechanism is nested within the motor cavity, using the motor housing as a protective enclosure. The transmission components are housed inside the existing motor structure, providing protection without requiring additional external protective housings or complex assembly structures
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
Enhances the reliability and service life of the gear transmission mechanism and the entire food processor by preventing damage and interference, improving assembly efficiency, and reducing the machine's size and storage costs.
Implementation Method 1
a gear transmission mechanism is further provided inside the inner cavity of the electric motor, and the gear transmission mechanism is in a transmission connection with the inner rotary shaft and the outer rotary shaft
Data Source
AI summary
An electric motor includes a front end cover, a rotary output shaft extending through the front end cover from an inner cavity of the electric motor, and a gear transmission mechanism provided inside the inner cavity of the electric motor. The rotary output shaft includes an inner rotary shaft and an outer rotary shaft that are arranged concentrically. The gear transmission is in a transmission connection with the inner rotary shaft and the outer rotary shaft.