Tea drinking vacuum flask with tea-making function
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Solution Overview
Problem
Existing portable vacuum flasks experience issues with tea water retention at the upper lid due to vacuum formation, leading to potential scalding when the flask is opened.
Innovation Solution
The design incorporates a filtering element with open slots and filtering holes, where the flow area of the open slots is significantly larger than that of the filtering holes, allowing air to flow and preventing vacuum formation, thus enabling smooth tea water flow without retention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a filter with filtering holes is used to separate tea leaves from water, then tea leaf and water separation is achieved, but vacuum formation occurs that prevents smooth water flow and causes tea water retention in the lid
Solution Approach 1:
The filter is divided into two functional parts: a first part with open slots for air flow and a second part with filtering holes for water filtration. This segmentation allows air and water to pass through different pathways, preventing vacuum formation while maintaining filtration capability.
Solution Approach 2:
Different regions of the filter have different properties: the first part has large open slots optimized for air flow, while the second part has small filtering holes optimized for water filtration. This local differentiation resolves the contradiction between filtration precision and flow smoothness.
2Temperature
If the vacuum flask maintains a vacuum state for thermal insulation, then heat preservation is improved, but tea water is trapped in the lid and cannot flow down, causing scalding risk
Solution Approach 1:
The open slots in the first part of the filter act as an intermediary pathway that allows air to move freely between the lid and the liquid containing body. This intermediary air flow path prevents vacuum formation without compromising the thermal insulation function of the vacuum flask.
3Productivity
If filtering holes are made larger to improve water flow, then water flow smoothness is improved, but filtering precision decreases and tea leaves pass through
Solution Approach 1:
The filter is segmented into two parts with different functions: the first part with large open slots handles air flow to prevent vacuum, while the second part with small filtering holes handles water filtration. This segmentation allows each part to be optimized for its specific function without compromise.
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
This solution effectively prevents tea water from being trapped in the lid, reducing the risk of scalding and ensuring efficient tea leaf and water separation, while maintaining the convenience of a portable vacuum flask.
Implementation Method 1
the air flow flows, through the open slots, from the area under the filtering element of the tea drinking vacuum flask with a tea-making function to the area above the filtering element, so that the formation of a vacuum state in the lid body is avoided
Implementation Method 2
filtering holes are formed in the second part... the tea water is enabled to smoothly flow down into the liquid containing body through the filtering element
Data Source
AI summary
A tea drinking vacuum flask includes a lid body, a connecting piece, a filtering element, and a liquid containing body. The lid body comprises a first end and a first open end arranged opposite to the first end. The connecting piece comprises a channel having a first connection end and a second connection end. The first connection end is detachably connected with the first open end. The filtering element comprises first and second parts fixedly connected with each other. The first part is positioned at the end, facing the lid body, of the second part. Open slots are formed in the first part. Filtering holes are formed in the second part. Flow areas of open slots are different from those of filtering holes. The filtering element is detachably connected with the connecting piece. The liquid containing body is detachably connected with the second connection end of the connecting piece.