Snap-Fit Bottle Collar and Vent Valve for Leak-Free Air Intake
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Solution Overview
Problem
Existing feeding bottles face issues with air intake mechanisms that are prone to leaks or blockage, and screw ring collars are difficult to mount and may cause leaks due to overtightening, leading to orientation problems.
Innovation Solution
A valve assembly with a sealing member and base member featuring channels for reliable air intake, and a bottle assembly with a snap-fit collar that can be easily mounted and oriented using a downward force, ensuring a secure seal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If holes are provided in the bottom portion of the bottle for air intake, then air can enter the bottle, but the holes can easily be blocked and only allow a small amount of air to enter
Solution Approach 1:
The air intake system is segmented into multiple channels formed between the base member and sealing member, distributing air flow paths to prevent blockage. Instead of relying on a single hole in the bottle bottom, the invention creates multiple discrete channels that can independently function, ensuring that blockage of one channel does not prevent air intake through other channels.
2Reliability
If a valve is used to reliably let air enter the bottle, then air intake is improved, but the valve may be prone to leaks
Solution Approach 1:
The invention extracts the valve mechanism from the traditional bottle structure and replaces it with channels formed directly between the base member and sealing member. This eliminates the need for separate valve components that are prone to leakage, while maintaining reliable air intake function through the integrated channel structure.
Solution Approach 2:
The air intake channels are merged with the sealing member and base member structure, combining the sealing function and air intake function into a single integrated component. This eliminates the interface between separate valve and sealing components, removing potential leakage paths while maintaining air intake reliability.
3Reliability
If a screw ring collar is used to mount the teat to the bottle, then a good seal can be provided, but it is difficult to mount and may cause leaks due to overtightening
Solution Approach 1:
Instead of using a screw ring collar that requires rotational tightening, the invention inverts the mounting mechanism to use a snap-fit collar that engages through a downward pressing motion. This reverses the traditional mounting approach, making it easier to operate while maintaining seal quality through the snap-fit engagement that provides sufficient clamping force without overtightening.
4Reliability
If a screw ring collar is overtightened to provide a good seal, then sealing is improved, but the screw thread may wear out causing leaks and the collar may no longer have the desired orientation
Solution Approach 1:
The invention replaces the screw thread mechanism with a snap-fit mechanism that engages through downward pressure. This inversion eliminates the rotational motion that causes screw thread wear, while maintaining stable collar orientation through the geometric constraints of the snap-fit engagement that naturally positions the collar correctly without requiring precise rotational alignment.
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
The solution provides a reliable air intake mechanism that prevents leaks and simplifies collar mounting, maintaining a consistent seal and orientation during use.
Implementation Method 1
a collar arranged to snap fit to the neck by application of force only in a downward direction
Implementation Method 2
a valve in the bottom of the bottle to let air into the bottle as the infant sucks milk
Data Source
Figure 1(a)~1(d)
Figure 2(a)~2(d)
Figure 3(a)~3(e)
AI summary
A bottle assembly is provided. The bottle assembly comprises a bottle having an end portion including a first detent formation, and a collar having a second complementary detent formation. The collar is arranged to snap fit to the end portion by engagement of the detent formations by application of force only in a direction towards the bottle. In addition, a valve assembly for use with a drinking vessel is provided. The valve assembly comprises a base member and a sealing member. The sealing member is moveable, dependent on a pressure difference across it, between a sealed position, wherein the sealing member is sealed against the base member, and an unsealed position, wherein the sealing member is unsealed from the base member. One or more channels are formed between the base member and the sealing member and extend to a periphery of the sealing member. The one or more channels are arranged to allow air to enter the drinking vessel from the periphery of the sealing member when the sealing member is in the unsealed position.