Domestic appliance for processing foods and splash guard therefor
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Solution Overview
Problem
Existing handheld food processors with built-in gear mechanisms cannot be safely cleaned in a dishwasher due to water penetration, leading to damage and requiring manual cleaning, which is inconvenient and inefficient, especially with complex geometries that trap food remnants.
Innovation Solution
A domestic appliance design featuring a splash guard with a flat, recessless plate that separates the gear mechanism from food contact, allowing dishwasher cleaning while protecting the gear mechanism and preventing food from soiling it, combined with a secure coupling system for safe operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the gear mechanism is built into the cover, then the appliance structure is compact and integrated, but the cover cannot be cleaned in a dishwasher due to water penetration damaging the gear mechanism
Solution Approach 1:
The cover is divided into two separate parts: an upper cover and a lower cover. The gear mechanism is located in the lower cover, while the upper cover can be removed and cleaned in the dishwasher without water damaging the gear mechanism. This segmentation allows the cleaning-friendly upper cover to be separated from the gear-containing lower cover.
Solution Approach 2:
The gear mechanism is extracted from the upper cover and placed in the lower cover. This extraction allows the upper cover to be designed without gear mechanism protection requirements, enabling it to be dishwasher-safe while the lower cover retains the gear mechanism functionality.
2Reliability
If the cover is cleaned by hand only, then the gear mechanism is protected from water damage, but the cleaning process is time-consuming and inefficient
Solution Approach 1:
The cover is segmented into dishwasher-safe upper cover and gear-protected lower cover. The upper cover can be quickly cleaned in the dishwasher without manual intervention, significantly reducing cleaning time while the lower cover with the gear mechanism remains protected during the washing process.
3Device complexity
If the cover has a deep recess for the gear mechanism, then the gear mechanism can be integrated into the cover, but food remnants accumulate in the recess and are difficult to remove
Solution Approach 1:
The cover recess containing the gear mechanism is segmented from the main cover body into a separate lower cover. This segmentation eliminates the deep recess problem in the upper cover, making it smooth and easy to clean in the dishwasher, while the lower cover with the recess is separated and protected from dishwasher water.
Data Source
AI summary
A domestic appliance for processing foods including:a bowl, with an opening for introducing foods into the bowl and into which a tool for processing foods is inserted,a splash guard, which can be inserted into the opening of the bowl, such that boundary regions of the splash guard are opposite an inner wall of the opening to prevent foods from spraying out of the bowl, anda cover, which can be inserted into the opening of the bowl once the splash guard has been inserted into the opening of the bowl,wherein the splash guard includes a plate which extends substantially flat and ends with boundary regions.