Pop-Up Cosmetic Container Seesaw Mechanism for One-Handed Opening
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Solution Overview
Problem
Conventional cosmetic containers require two-handed operation and lack structural complexity and interest.
Innovation Solution
A pop-up cosmetic container design featuring a coupling rod connecting an inner sleeve and intermediate lid, allowing single-handed operation through a seesaw-like mechanism with an optional elastic member for easy opening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional snap-on or magnetically attractable containers are used, then the structure is simple, but two-handed operation is required which reduces ease of operation
Solution Approach 1:
The container is divided into multiple functional components: outer shell, inner sleeve, intermediate lid, coupling rod, and elastic member. Each component has a specific function in the pop-up mechanism, allowing the complex operation to be broken down into simple user actions (pressing the intermediate lid) while distributing mechanical functions across segmented parts.
Solution Approach 2:
The coupling rod acts as an intermediary mechanical element that transmits force from the intermediate lid to the inner sleeve. The elastic member serves as a mediator that stores and releases energy to enable the pop-up motion. These intermediary components bridge the gap between simple user input and the desired opening action.
2Adaptability or versatility
If conventional containers are used, then the structure is simple and easy to manufacture, but the product lacks interest and engagement
Solution Approach 1:
The container incorporates dynamic elements including the rotatable coupling rod and the elastic pop-up mechanism. The intermediate lid can rotate relative to the outer shell, and the inner sleeve dynamically pops up when the elastic member releases stored energy. These dynamic features create engaging user interaction while maintaining a relatively compact structure.
Solution Approach 2:
The intermediate lid serves multiple functions: it acts as a protective cover for the coupling rod, provides a pressing surface for user operation, and can rotate to different positions. The coupling rod simultaneously transmits force, limits rotation through stopping members, and guides the pop-up motion. This multi-functionality increases user engagement without proportionally increasing complexity.
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
Facilitates single-handed opening and enhances user experience with a convenient, engaging design.
Implementation Method 1
an elastic member provided between the inner sleeve and the lid assembly
Implementation Method 2
The coupling rod is provided in the cosmetic container, the inner sleeve and the intermediate lid are connected with the coupling rod, and the shell assembly can be popped up by pressing the intermediate lid
Data Source
AI summary
A pop-up cosmetic container includes a lid assembly, a coupling rod, an inner sleeve, an intermediate lid, and a shell assembly, where the lid assembly is sleeved outside the intermediate lid, and an end of the intermediate lid is stretched out of the lid assembly; the intermediate lid is sleeved outside the inner sleeve; the inner sleeve is sleeved outside the shell assembly; the coupling rod is rotatably provided in the lid assembly; and a first side of the coupling rod is connected to the intermediate lid, and a second side of the coupling rod is connected to the inner sleeve. With a seesaw-like function of the coupling rod, the shell assembly can be popped up by pushing the intermediate lid. With the operating end and the pop-up end located at a same end, the pop-up cosmetic container facilitates single-handed operation of the user.