Push-Type Cup Lid with Double-Sealing Mechanism to Prevent Leakage
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Solution Overview
Problem
Current cup lids with push-type opening structures are prone to leakage when the flip-top lid is loosened, as they lack a reliable double-sealing mechanism to prevent water from escaping.
Innovation Solution
A push-type cup lid design featuring a rotatably connected flip-top lid and a sealing assembly linked to a button, where pressing the button simultaneously opens the flip-top lid and separates the sealing assembly from the water outlet, utilizing a connecting rod and sealing seat mechanism for vertical movement to ensure effective sealing and easy operation with a single hand.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a flip-top lid with a single sealing element is used to cover the water outlet, then the structure is simple, but water leakage occurs when the flip-top lid is loosened
Solution Approach 1:
The sealing mechanism is divided into two independent parts: a flip-top lid that covers the upper part of the water outlet and a sealing assembly with a sealing seat that plugs the lower part of the water outlet. This segmentation allows each component to perform its sealing function independently, ensuring that even if one part is loosened, the other maintains the seal and prevents leakage.
Solution Approach 2:
The sealing assembly is pre-positioned in a plugging state where the sealing seat is inserted into the water outlet before use. This preliminary sealing action ensures that the water outlet is already sealed from the bottom before the flip-top lid is engaged, providing a backup seal that prevents leakage if the flip-top lid becomes loose.
2Reliability
If a push button mechanism is added to simultaneously control the flip-top lid and sealing assembly, then sealing reliability is improved, but device complexity increases
Solution Approach 1:
The control functions for the flip-top lid and sealing assembly are merged into a single push button mechanism. When the button is pressed, it simultaneously drives the connecting rod to move the sealing assembly out of the water outlet and releases the locking structure to open the flip-top lid. This combining of control functions reduces the need for separate control mechanisms while maintaining reliable sealing.
Solution Approach 2:
A connecting rod serves as an intermediary mechanical element that transmits the pushing force from the button to the sealing assembly. The connecting rod converts the linear motion of the button into the vertical movement required to eject the sealing seat from the water outlet, enabling coordinated control without direct mechanical linkage to both components.
3Ease of operation
If the sealing assembly is designed to automatically reset after button release, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The sealing assembly incorporates a self-resetting mechanism where a spring automatically returns the sealing seat to its plugging position after the button is released. This self-service feature eliminates the need for manual resetting of the seal, allowing the user to simply press the button and the system automatically returns to its sealed state, improving ease of operation.
Solution Approach 2:
The sealing assembly operates in periodic cycles: when the button is pressed, the sealing seat is ejected from the water outlet; when the button is released, the spring automatically returns the sealing seat to its plugging position. This periodic action of ejection and automatic resetting creates a convenient operate-release-reset cycle that simplifies user interaction.
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 design provides a double-sealing mechanism that prevents leakage by plugging the water outlet from both top and bottom, ensuring better insulation and easy operation with a single hand, while the automatic reset mechanism ensures the lid remains sealed even when flipped or subjected to external forces.
Implementation Method 1
The clamping portion is an elastic part which is on the outer side surface below an outward flange of the internal bolt, is integrally formed on the opposite side of the fastener and extends upwards
Data Source
AI summary
The present invention provides a push type cup lid, which has a lid body, provided with a water outlet; a flip-top lid for covering the water outlet, the flip-top lid being rotatably connected with the lid body; a sealing assembly for plugging the water outlet, the sealing assembly being movably connected with the lid body; and a button arranged on the lid body in a pressed manner, both the sealing assembly and the flip-top lid being in linked connection with the button. The present invention has the beneficial effects that according to the cup lid, the water outlet is plugged by the sealing assembly and the water outlet is further covered by the flip-top lid, so that the reliability of the cup lid which is closed is ensured; when it is opened, the sealing assembly and the flip-top lid can be opened simultaneously by pressing the button.