Vacuum Motor Housing With Side Access and Impact-Protected Cyclone Bin
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Solution Overview
Problem
Existing surface cleaning apparatuses, such as vacuum cleaners, face challenges in compact design and easy access to operational components, which limits user convenience and maintenance efficiency.
Innovation Solution
The design incorporates removable side wheels and a transparent seal plate, allowing access to the suction motor and pre-motor filter, while the cyclone bin assembly is protected from impacts and the overall size is minimized by utilizing the sidewalls for additional features like filter housing and stabilizer wheels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the suction motor is positioned in the main body between the sidewalls, then the overall size of the surface cleaning apparatus is reduced, but access to the suction motor for maintenance becomes difficult
Solution Approach 1:
The suction motor housing is divided into a fixed portion and a removable portion. The removable portion can be detached to provide access to the suction motor for maintenance while the fixed portion remains attached to the main body, thus maintaining compact size while enabling easy access.
Solution Approach 2:
The suction motor is extracted from the main body cavity and positioned externally, allowing it to be accessed for maintenance without disassembling the entire apparatus. The motor inlet is positioned adjacent to the suction motor access opening for direct access.
2Ease of operation
If the side wheels are made removable, then access to operational components and pre-motor filter is improved, but the structural integrity and protection of internal components may be compromised
Solution Approach 1:
The side wheel assembly is segmented into a wheel portion and a cover portion. The cover portion can be removed to access operational components and pre-motor filter, while the wheel portion remains attached to provide structural support and protection.
Solution Approach 2:
The seal plate acts as an intermediary component between the side wheel and the internal components. It provides a sealing interface that protects the cyclone bin assembly and internal components while allowing the side wheel to be removed for maintenance access.
3Volume of moving object
If the cyclone bin assembly is positioned laterally between opposing sidewalls, then the overall size is reduced, but the cyclone bin assembly becomes vulnerable to side impacts
Solution Approach 1:
The sidewalls are designed to extend beyond the cyclone bin assembly, creating a protective frame that cushions and absorbs side impacts before they reach the cyclone bin assembly. This allows compact positioning while providing impact protection.
Solution Approach 2:
The sidewalls function as protective shells that enclose and protect the cyclone bin assembly from side impacts. The sidewall structure is designed to absorb and distribute impact forces while maintaining the compact lateral positioning of the cyclone bin assembly.
Data Source
AI summary
A surface cleaning apparatus comprises an air flow path extending from a dirty air inlet to a clean air outlet, an air treatment member and a suction motor. The surface cleaning apparatus comprises a main body comprising a front end and a rear end, first and second opposed sidewalls and a suction motor housing. At least one of the first and second opposed sidewalls may have a suction motor access opening.