Beverage Lid Venting Lever for One-Handed Spill Control
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Solution Overview
Problem
Existing beverage container lids lack a mechanism for easy, one-handed operation and effective pressure venting, leading to potential spills and spray when opening hot liquids.
Innovation Solution
A beverage container closure with a selectively openable stopper and actuating lever that allows for one-handed operation using a mechanical advantage, combined with a venting mechanism that prevents liquid or gas spray by releasing pressure before opening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a solid unitary lid without openings is used, then spill prevention is improved, but ease of operation deteriorates as users must remove the lid to drink
Solution Approach 1:
The lid is segmented into a body and a separate stopper component that can be selectively opened and closed. This allows the stopper to be opened for drinking without removing the entire lid, resolving the contradiction between spill prevention and ease of operation.
Solution Approach 2:
The stopper is made dynamically controllable through a lever mechanism that allows easy one-handed operation. The stopper can be quickly opened and closed without removing the lid, providing both spill prevention when closed and ease of operation when needed.
2Ease of operation
If unobstructed apertures are provided in the lid, then ease of operation is improved, but spill prevention deteriorates as contents may spill if the vessel is tipped or dropped
Solution Approach 1:
The stopper provides dynamic control over the aperture, allowing it to be open when drinking is needed and closed when spill prevention is required. This resolves the contradiction by making the aperture state controllable rather than fixed.
Solution Approach 2:
The lever mechanism is designed for self-service operation, allowing users to easily open and close the stopper with one hand. This maintains ease of operation while the closed stopper prevents spills from unobstructed apertures.
3Ease of operation
If a selective opening mechanism is added to the lid, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The selective opening function is achieved through segmentation into a stopper and lever mechanism rather than a complex integrated system. This keeps device complexity low while providing ease of operation for selective opening and closing.
Solution Approach 2:
A simple lever mechanism provides dynamic control of the stopper position, enabling easy one-handed operation without requiring complex mechanisms. The lever pivots between open and closed positions, providing selective opening capability with minimal complexity.
4Reliability
If pressure builds up in hot liquid containers, then reliability is improved for sealed containment, but harmful factors increase due to potential spray when opened
Solution Approach 1:
The lever mechanism is designed to automatically open the stopper before pressure can build to dangerous levels, and the venting feature allows pressure release. This preliminary action prevents the harmful spray effect while maintaining reliable sealed containment during normal operation.
Solution Approach 2:
The venting feature converts the potentially harmful pressure buildup into a beneficial automatic opening mechanism. Pressure that could cause spray is instead used to trigger early opening, preventing the harmful effect while maintaining containment reliability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables easy, one-handed opening and closing of beverage containers with reduced force requirement and prevents liquid or gas spray when opening, ensuring a secure and spill-free experience.
Implementation Method 1
A user pressing a button disposed on a side of the beverage container closure may selectively open the stopper... By utilizing the mechanical advantage provided by the lever, a user is able to selectively open and close the stopper using a relatively low amount of hand force
Implementation Method 2
the vent seal is configured to move between a sealed position and an open position... the actuating member is configured such that upon depression, the vent seal moves to the open position prior to the stopper moving to the open position
Data Source
AI summary
A beverage container closure or lid adapted for closing an open end of a beverage container. The lid is couplable to the beverage container and includes a selectively openable stopper that when closed, creates a fluid-tight seal between the beverage container and the environment. The stopper may be opened by pressing a button disposed on a side of the beverage container closure. The stopper is subsequently automatically closed when the button is released. Thus, the user may open and close the beverage container closure using a single hand without the need to remove the beverage container closure from the beverage container. The beverage container closure includes an actuating lever configured to press the button when a user applies a force to the lever. By utilizing the mechanical advantage provided by the lever, a user is able to selectively open and close the stopper using a relatively low amount of force.