Garbage Can Inner Basket Pressurization for Odor Containment
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Solution Overview
Problem
Existing garbage cans with ultraviolet sterilization and automatic cover mechanisms fail to completely prevent odor leakage, especially when handling large amounts of waste, and the gap between the inner basket and upper cap allows odors to escape.
Innovation Solution
A garbage can design featuring an inner basket that is raised and lowered automatically by a pressurizing mechanism when the side cover is opened or closed, ensuring the upper end of the basket is in close contact with an airtight part of the upper cap, thereby preventing odor leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If ultraviolet sterilization and automatic cover mechanisms are used, then hygiene and convenience are improved, but odor leakage cannot be completely prevented
Solution Approach 1:
The invention divides the odor prevention function into two segments: (1) sterilization/deodorization function performed by the ultraviolet lamp inside the garbage bag, and (2) odor containment function performed by the airtight sealing between the inner basket and upper cap. This segmentation allows each component to specialize in its function, with the airtight sealing specifically addressing odor leakage that cannot be prevented by sterilization alone.
Solution Approach 2:
The invention introduces an intermediary airtight sealing structure between the inner basket and the upper cap. This intermediary element specifically addresses the odor leakage problem by creating a physical barrier that prevents odors from escaping through gaps, complementing the sterilization function and providing complete odor prevention.
2Ease of manufacture
If general packing is used between the inner basket and upper cap, then assembly is simple, but odor leakage occurs through gaps
Solution Approach 1:
The invention uses a flexible airtight sealing structure (such as a rubber gasket or flexible membrane) between the inner basket and upper cap. This flexible element can be easily assembled while creating an effective seal that prevents odor leakage through gaps, combining ease of manufacture with effective odor containment.
3Reliability
If the inner basket is manually raised and lowered, then airtightness can be maintained, but user convenience deteriorates
Solution Approach 1:
The invention implements a self-service mechanism where the inner basket automatically raises and lowers based on the cover opening/closing state. When the cover is closed, the basket automatically rises to maintain airtightness; when the cover is opened, the basket automatically lowers for easy access. This eliminates the need for manual operation while maintaining reliable airtightness.
Solution Approach 2:
The invention introduces dynamic movement of the inner basket that automatically adjusts its position based on the cover state. The basket transitions between raised and lowered positions automatically, providing both reliable airtightness when closed and ease of operation when opened, without requiring manual intervention.
4Object-generated harmful factors
If the inner basket is kept in constant contact with the upper cap, then odor leakage is prevented, but basket support stability deteriorates
Solution Approach 1:
The invention uses dynamic contact between the inner basket and upper cap that adjusts based on the cover state. When the cover is closed, the basket rises to contact the upper cap for airtight sealing. When the cover is opened, the basket lowers to maintain stable support. This dynamic adjustment ensures both odor leakage prevention and support stability at appropriate times.
Solution Approach 2:
The invention performs preliminary action by automatically raising the basket before the cover is fully closed, ensuring proper contact and airtightness is established in advance. This preliminary raising action ensures that when the cover is closed, the basket is already in the correct position for effective sealing while maintaining stability.
Data Source
AI summary
A garbage can provided with an airtight means for preventing odor leakage is provided. In the garbage can, an inner basket covered with a garbage bag is raised and pressurized so that an upper end of the inner basket is in close contact with an airtight part of an upper cap, thereby preventing garbage odors from leaking via a gap between the upper cap and the inner basket, and also the basket is automatically raised and lowered by simply opening and closing a side cover without any separate operation by a user, thereby increasing convenience.