Cooking Appliance Outer Case With Service Access Opening
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing cooking appliances, such as microwave ovens, face challenges in maintenance and repair due to the need to separate the outer case, which is inconvenient and can lead to psychological distrust among consumers, especially when large appliances require solo handling and installation.
Innovation Solution
An outer case design featuring a first external face plate with a strategically positioned opening and a detachable cover plate, including reinforcement features like beads and tool-passing holes, allows for maintenance and repair without fully separating the outer case, minimizing the opening size and maximizing strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If the outer case is completely separated from the cavity assembly for maintenance, then all parts in the electric equipment installation chamber can be accessed, but a large number of screws must be loosened and the consumer may psychologically distrust the quality
Solution Approach 1:
The outer case is divided into multiple detachable face plates (front, rear, left, right, upper, lower) that can be separately removed. This segmentation allows maintenance personnel to access specific parts in the electric equipment installation chamber by removing only the relevant face plate(s) rather than the entire outer case, thereby reducing the number of screws to be loosened while maintaining full access capability.
2Ease of repair
If the outer case is completely separated for maintenance, then all parts can be accessed, but it is difficult for a worker to handle large microwave ovens by oneself
Solution Approach 1:
The outer case is divided into multiple detachable face plates that can be independently removed. This segmentation enables a single worker to easily remove and handle individual face plates without needing to separate the entire outer case from the heavy cavity assembly, making maintenance operations feasible for solo workers even with large microwave ovens.
3Ease of repair
If a large opening is formed in the outer case for maintenance access, then parts can be easily accessed, but the strength of the outer case is reduced
Solution Approach 1:
Instead of creating a large opening in a single face plate, the outer case is segmented into multiple face plates of appropriate sizes. Each face plate can be removed to provide access to specific areas, avoiding the need for large openings that would compromise the structural strength of individual face plates and the overall outer case.
4Reliability
If the outer case is not separated for maintenance, then the appliance appears intact to consumers, but maintenance and repair become inconvenient
Solution Approach 1:
The outer case is designed as multiple detachable face plates that can be easily removed and reinstalled. This allows the appliance to maintain its intact appearance when assembled (preserving consumer confidence), while enabling convenient access to internal parts for maintenance by simply removing the relevant face plate(s), thus resolving the contradiction between appearance and maintainability.
Data Source
AI summary
An outer case for a cooking appliance is provided. An opening is formed in an external face plate of the outer case at a position corresponding to selected components of the cooking appliance. The opening is selectively covered with a cover plate so that the components may be selectively accessed through the opening, without removing the outer case. The cover plate may include extensions that are engaged in concave portions of the external face plate, with an opposite end of the cover plate being fastened to the external face plate by fasteners. The external face plate may also include a reinforcement bead and tool passing holes that allow a tool to pass therethrough without removing the external face plate.