Beverage Lid Flow Control With Rotating Gasket and Vent Alignment
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Solution Overview
Problem
Conventional beverage dispensers face issues such as leakage, difficulty in opening/closing, inability to adjust flow rate, complexity, reliability, cost, and ease of cleaning, which hinder efficient and reliable beverage dispensing.
Innovation Solution
A flow control device with a lid assembly featuring a sealing gasket that can be selectively aligned to set a flow rate, providing a reliable seal and smooth pouring, and a plunger mechanism for easy engagement and disengagement, compatible with various container shapes and types of liquids.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional lid assembly is used, then the structure is simple, but leakage occurs and sealing reliability is poor
Solution Approach 1:
The lid assembly is segmented into multiple functional components: a body portion, a separate sealing gasket with integrated plunger, and an actuation lever system. This segmentation allows each component to be optimized for its specific function while maintaining overall simplicity. The sealing gasket can be independently replaced or cleaned, improving reliability without requiring complete lid replacement.
Solution Approach 2:
The sealing gasket integrates multiple functions into a single component: it provides the sealing surface, contains the flow control aperture, and incorporates the plunger mechanism for flow regulation. This merging reduces the total number of parts needed while achieving reliable sealing and flow control simultaneously.
2Adaptability or versatility
If the flow rate is fixed in the lid assembly, then the structure is simple, but the flow rate cannot be adjusted
Solution Approach 1:
The flow control system transitions from a fixed aperture to a dynamic system where the plunger can be positioned at different depths within the sealing gasket. By moving the plunger along the central axis, the effective flow area changes, enabling continuous adjustment of flow rate from minimum to maximum positions.
Solution Approach 2:
The plunger acts as an intermediary element between the user's manual input and the flow rate control. It translates the rotational motion of the actuation lever into linear displacement that modulates the flow aperture area, providing smooth and precise flow regulation without complex valve mechanisms.
3Adaptability or versatility
If a complex flow control mechanism is used, then flow rate can be adjusted, but the device becomes difficult to clean
Solution Approach 1:
The sealing gasket is designed as a separable component that can be removed from the lid body for independent cleaning. Its simple annular shape with a central bore and peripheral groove allows easy access to all flow control surfaces, eliminating the cleaning difficulties associated with integrated complex valve mechanisms.
Solution Approach 2:
The sealing gasket can be completely removed, cleaned separately, and reinstalled. This approach allows thorough cleaning of the flow control aperture and plunger surfaces without disassembling the entire lid assembly, maintaining flow control functionality while simplifying maintenance.
4Reliability
If the sealing gasket blocks the flow aperture completely, then leakage is prevented, but beverage flow is blocked
Solution Approach 1:
The plunger's position within the sealing gasket is dynamically adjustable rather than fixed. In the retracted position, the plunger allows maximum flow through the aperture. In the extended position, it provides complete sealing to prevent leakage. This dynamic positioning resolves the contradiction between sealing performance and dispensing rate.
Solution Approach 2:
The system changes the flow area parameter by varying the plunger's axial position. At maximum flow setting, the plunger is retracted to provide a large open area. At minimum flow or sealed position, the plunger extends to reduce or eliminate the flow area. This parameter variation allows the system to achieve both high productivity and reliable sealing as needed.
Data Source
AI summary
A beverage dispensing flow control device according to one example includes a body portion, an actuation lever and a sealing gasket. A sealing gasket is securable over the bottom surface of the body and has a bottom surface with a beverage flow aperture and a vent aperture. The apertures are configured to define a maximum flow position when the sealing gasket is rotationally aligned with respect to the body portion such that the beverage flow aperture does not block the flow aperture of the body portion, and a minimum flow position when the sealing gasket is rotationally aligned with respect to the body portion such that the beverage flow aperture blocks at least the majority of the body's flow aperture while leaving at least a portion of the vent channel unblocked. A plunger is in operable communication with the actuation lever to selectively seal the bottom surface of the gasket.