Rotating Cosmetic Container With Detachable Inner Case
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Solution Overview
Problem
Conventional cosmetic containers face issues such as contamination, resource waste, and environmental pollution due to the need to discard the entire container when the contents are depleted, lacking a separate inner case refill structure.
Innovation Solution
A rotating discharge type cosmetic container design where the inner case is detachably coupled to the outer case, allowing for convenient separation and replacement of components, enabling refilling of the inner case and reducing waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the entire cosmetic container is discarded after contents are depleted, then the container structure is simple, but resource waste and environmental pollution increase
Solution Approach 1:
The cosmetic container is divided into separate components: an outer case and an inner case that can be detached. The inner case containing cosmetic contents can be separated from the outer case and refilled, while the outer case is retained. This segmentation allows selective replacement of only the inner case rather than discarding the entire container, reducing resource waste while maintaining structural simplicity.
2Loss of substance
If the inner case is detachably coupled to the outer case, then refilling is enabled and resource waste is reduced, but device complexity increases
Solution Approach 1:
The container is segmented into outer case and inner case components with detachable coupling mechanisms, enabling selective replacement of the inner case for refilling purposes.
Solution Approach 2:
The inner case is nested within the outer case, with the inner case positioned inside the outer case's internal space. This nesting arrangement allows the inner case to be easily removed and replaced while maintaining a compact overall structure, balancing complexity with functionality.
3Device complexity
If cosmetic contents are completely exposed to air in conventional containers, then the container structure is simple, but contamination by foreign substances and bacteria increases
Solution Approach 1:
The container is segmented into an outer case and an inner case, where the inner case serves as a sealed barrier protecting cosmetic contents from air exposure. The detachable design allows the inner case to be removed for refilling while maintaining protection during storage and use.
Solution Approach 2:
The inner case acts as a protective shell enclosing the cosmetic contents, preventing direct exposure to air and contaminants. This sealed structure reduces contamination by foreign substances and bacteria while allowing controlled access during refilling operations.
4Device complexity
If conventional containers require the lid to be opened for use, then the discharge mechanism is simple, but cosmetic contents are wasted due to inability to control discharge amount
Solution Approach 1:
The discharge mechanism is made dynamic through the detachable inner case design, allowing controlled removal and replacement of the inner case. This enables precise control over when and how much cosmetic contents are discharged, preventing waste while maintaining operational simplicity.
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 design improves convenience in using cosmetic contents by controlling the discharge amount through rotation, reduces economic burden and resource waste by allowing refilling of the inner case, and minimizes environmental pollution.
Implementation Method 1
a lifting member screw-coupled with the operating member, moved in a straight line within the inner case
Implementation Method 2
a piston for moving the cosmetic contents while being moved up and down together with the lifting member
Implementation Method 3
a rotating member rotatably coupled to the inner case, formed therein with a discharge port
Data Source
AI summary
Disclosed is a rotating discharge type cosmetic container including: an outer case formed therein with a first fixed connection portion; a rotation operating member rotatably coupled to an inside of the outer case and formed therein with a first rotation connecting portion; an inner case detachably coupled to the rotation operating member to accommodate cosmetic contents therein; a rotating member rotatably coupled to the inner case, formed therein with a second rotation connecting portion, and having one surface formed with a discharge port; an operating member connected to the rotation operating member and rotated together with the rotation operating member; a lifting member screw-coupled with the operating member, moved in a straight line within the inner case, and formed therein with a second fixed connection portion; and a piston for moving the cosmetic contents while being moved up and down together with the lifting member.