Container Lid with Pivoting Activator for Leak-Proof Quick Access
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Solution Overview
Problem
Conventional container lids are often difficult to use, especially for users with limited agility or dexterity, and may not provide a secure, leak-proof seal, particularly when used in environments that require quick access or when handling fluids that need mixing or shaking.
Innovation Solution
A lid design featuring a pivotally connected activator, connecting member, and fluid-flow member that allows for easy attachment and detachment, providing a fluid-tight seal and facilitating mixing or drinking by moving between open and closed positions, with a flexible fluid pathway that can be angled to prevent leakage and include a handle for easy carrying.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional screw caps or threaded closures are used to create a fluid-tight seal, then leakage prevention is improved, but ease of operation deteriorates due to difficulty in opening and closing
Solution Approach 1:
The lid transitions from a static threaded connection to a dynamic snap-fit mechanism with movable components. The activator can be pivoted between engaged and disengaged positions, allowing the lid to quickly transition between sealed and open states without threading motions.
Solution Approach 2:
The lid is divided into functional segments: a body portion for sealing, an activator for control, a connecting member for linkage, and a fluid-flow member for dispensing. This segmentation allows each component to be optimized independently while working together as a integrated system.
2Reliability
If complex multi-part lid structures are used to achieve secure closure and fluid control, then reliability is improved, but device complexity increases
Solution Approach 1:
Multiple functions are merged into the lid assembly: sealing (gasket integration), locking (snap-fit mechanism), fluid control (integrated valve), and user interaction (activator with handle). This consolidation reduces the number of separate components while maintaining secure closure and fluid control capabilities.
3Ease of manufacture
If conventional lids with grooves or crevices are used for structural features, then manufacturing is improved, but ease of operation deteriorates due to particles getting stuck
Solution Approach 1:
The lid incorporates a flexible gasket that can be removed and cleaned separately. This flexible membrane design eliminates difficult-to-clean crevices while maintaining the sealing function, allowing easy cleaning of both the gasket and lid body.
4Ease of operation
If quick-access lid designs are used for environments requiring rapid opening, then ease of operation is improved, but reliability deteriorates due to insufficient sealing
Solution Approach 1:
The lid body includes pre-formed sealing surfaces and an integrated gasket positioned to make immediate contact with the container opening. This preliminary preparation ensures that as soon as the lid is snapped into place, a reliable seal is established without requiring additional sealing actions.
Solution Approach 2:
The activator mechanism provides dynamic control over fluid flow while maintaining seal integrity. When engaged, the activator ensures the seal remains secure; when disengaged, it allows rapid opening for quick access without compromising the sealing capability.
Data Source
AI summary
A lid may be sized and configured to be attached to a container, and the lid may include an activator, a fluid-flow member, and a connecting member. The activator, the fluid-flow member and the connecting member may be pivotally connected. The activator, the fluid-flow member, and the connecting member may be movable between open and closed positions. When the activator, the fluid-flow member, and the connecting member are in the closed position, fluid may be prevented from exiting the container. When the activator, the fluid-flow member, and the connecting member are in the open position, fluid may exit the container through a fluid passageway.


