Press-Open Cosmetic Cap Claw Structure for One-Handed Opening
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Solution Overview
Problem
Existing cosmetic containers require two-handed operation for opening, have complex and unstable snap-fit structures, and are difficult to produce and assemble, leading to poor user experience and integrity.
Innovation Solution
A one-handed press-open cosmetic container design featuring a bottle cap assembly with a claw structure that leverages resilience and leverage principles, utilizing a claw assembly with L-shaped clasps that expand outwardly upon pressing, secured by a snap-fit groove and enhanced by a metal spring and magnet, allowing easy one-handed operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If anti-theft opening structure is used, then security is improved, but ease of operation deteriorates
Solution Approach 1:
The cap is pre-opened by rotating before use, then pressed to open. This preliminary rotation action prepares the snap-fit structure for subsequent easy opening by pressing, resolving the contradiction between security and ease of operation.
2Reliability
If complicated structure design is used, then security is improved, but device complexity increases
Solution Approach 1:
The cap assembly is divided into outer cap, inner cap, and claw assembly components. This segmentation allows the complex security function to be achieved through coordinated simple parts, reducing overall structural complexity while maintaining security.
Solution Approach 2:
The claw assembly is extracted as a separate functional component that provides the snap-fit security mechanism. This extraction allows the security function to be isolated and simplified, reducing the complexity of the overall cap structure.
3Reliability
If complicated structure design is used, then security is improved, but ease of manufacture deteriorates
Solution Approach 1:
The cap is segmented into modular components (outer cap, inner cap, claw assembly) that can be manufactured separately and assembled through simple snap-fit connections, improving ease of manufacture while maintaining security.
Solution Approach 2:
The claw assembly merges the snap-fit groove and resilient claw structures into a single integrated component, simplifying manufacturing processes and assembly operations while providing reliable security function.
4Reliability
If complicated structure design is used, then security is improved, but stability deteriorates
Solution Approach 1:
The cap assembly uses composite plastic structures with snap-fit grooves and resilient claws that provide both security and structural stability. The combination of rigid and flexible plastic regions maintains integrity while enabling secure opening/closing.
Solution Approach 2:
Instead of using complex mechanical fasteners, the design inverts the approach by using elastic deformation of plastic claws to provide security, achieving stability through material properties rather than complex structural arrangements.
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 enables easy, one-handed opening and improved stability and integrity, enhancing user experience and simplifying production, while maintaining structural integrity and convenience.
Implementation Method 1
the top of the claw assembly is provided with a resilient disc surface that is driven by pressing on top to deform the clasp and expand outwardly
Implementation Method 2
a magnet can be disposed on the bottom of the groove of the inner cap, the bottom of the claw assembly on top of the bottle body of the bottle body assembly is provided with an iron scoop, and the iron scoop is securely attached to the magnet inside the inner cap
Data Source
AI summary
A one-handed press-open cosmetic container includes a bottle body assembly and a bottle cap assembly. The bottle cap assembly includes a claw assembly that includes (i) a plurality of clasps and (ii) a button column protruding upward from a top of the claw assembly. The clasps engage with a snap-fit groove of the bottle body assembly. The claw assembly is configured to, upon receiving a downward force from a user's finger via the button column, deform the clasps outward to detach from the snap-fit groove of the bottle body.