Multi-Position Valve and Straw for Spill-Free Upright Drinking
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Solution Overview
Problem
Conventional liquid dispensing containers require inversion and squeezing, which can be inconvenient in situations where height or space is limited, or when quick, high-volume consumption is needed, and often lead to spills or wastage, especially when using straws.
Innovation Solution
A liquid dispensing container with a valve assembly that allows fluid flow through a nozzle for conventional use and through a straw for upright drinking, featuring a movable nozzle with multiple positions to facilitate both squirting and sucking, providing flexibility in fluid dispensing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional squeeze-type container is used, then liquid can be dispensed by inverting and squeezing the container, but it requires head tilting and attention diversion which is inconvenient during activities
Solution Approach 1:
The valve assembly is made movable between multiple positions (closed, first open for squirting, second open for sucking) allowing the container to adapt to different usage scenarios dynamically. This enables users to switch between conventional squirting mode and upright sucking mode depending on whether they are active or stationary
Solution Approach 2:
The container is designed to perform multiple functions: it can dispense liquid through squirting when inverted (first open position) and through sucking when upright (second open position). This multi-functionality makes the container versatile for both active use and leisurely consumption
2Ease of operation
If a conventional squeeze-type container is used, then liquid dispensing is possible, but it requires container elevation which is difficult when height or space is limited
Solution Approach 1:
The movable valve assembly allows the container to function in both inverted and upright positions. When upright, liquid can be consumed through the straw without needing to elevate the container, solving the height and space limitation problem while maintaining liquid dispensing capability
3Ease of operation
If a conventional straw-equipped container is used, then upright drinking is possible, but contents may spill or leak through the opening and straw
Solution Approach 1:
Different sealing mechanisms are applied at different locations: a first seal prevents leakage at the valve opening when in the second open position, and a second seal prevents leakage at the straw. This localized sealing approach ensures reliability for upright drinking without compromising the squirting function
4Ease of operation
If a conventional straw-equipped container is used, then upright drinking is possible, but fast high-volume consumption is difficult especially when contents are low
Solution Approach 1:
The movable valve assembly can be switched between the second open position (straw mode for sipping) and the first open position (squirting mode for fast consumption). When contents are low or fast consumption is needed, users can invert the container and use the squirting function, maintaining high productivity throughout the consumption process
Data Source
AI summary
A liquid dispensing container may include a body, lid, valve assembly, and straw. The valve assembly may be movable between a first position to allow contents to be discharged by inverting and/or squeezing the container, and a second position to allow the contents to be discharged by sucking and/or squeezing through a straw.