Replaceable cosmetic bottle
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Solution Overview
Problem
Conventional cosmetic bottles are not easily disassembled, leading to resource waste and environmental concerns as they are typically discarded after use.
Innovation Solution
A replaceable cosmetic bottle design featuring an outer bottle, inner container, and bottle cap with threaded connections allows for convenient replacement of the inner container, reducing waste and promoting environmental sustainability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the cosmetic bottle uses a fixed integrated structure, then the structural stability is improved, but the ease of operation deteriorates due to inability to disassemble and replace components
Solution Approach 1:
The cosmetic bottle is divided into separate functional components: an outer bottle body, an inner container, and a bottle cap. These segments are connected through threaded interfaces, allowing the bottle to maintain structural integrity when assembled while enabling easy disassembly and replacement of the inner container. The segmentation principle directly resolves the contradiction by providing both stability through proper connection and ease of operation through modular design.
2Ease of manufacture
If the cosmetic bottle is designed as a non-disassemblable integrated structure, then the manufacturing simplicity is improved, but the loss of substance increases due to complete discarding after use
Solution Approach 1:
By segmenting the bottle into replaceable components, the inner container can be replaced while reusing the outer bottle body and cap. This reduces resource waste significantly compared to discarding the entire integrated bottle. The manufacturing complexity increase is minimal, involving only additional threading features on the outer bottle and inner container.
Solution Approach 2:
The design enables selective discarding of only the inner container when cosmetic is depleted, while the outer bottle and cap are recovered and reused. This partial discarding approach dramatically reduces substance loss and resource waste while maintaining manufacturing simplicity through standard threaded connection designs.
3Adaptability or versatility
If the cosmetic bottle uses a threaded connection structure with multiple components, then the replaceability is improved, but the device complexity increases
Solution Approach 1:
The threaded connection portions are designed with universal compatibility, where the outer bottle's first threaded connection portion can accommodate different inner containers with corresponding threads. This universal interface design enables easy replacement while minimizing structural complexity, as the same threading mechanism serves multiple replacement scenarios.
Data Source
AI summary
The present utility model discloses a replaceable cosmetic bottle, comprising a bottle body and a bottle cap that covers the bottle body, wherein the bottle body comprises an outer bottle and an inner container which are detachably connected; the outer bottle comprises a first threaded connection portion and a second threaded connection portion which are vertically connected, and the second threaded connection portion is in threaded connection with the bottle cap; the inner container comprises a vertical ring boss; and the inner container is arranged in an inner cavity of the outer bottle, and the vertical ring boss is in threaded connection with the first threaded connection portion. According to the present utility model, the inner container can be conveniently replaced, thereby effectively saving costs and conforming to the idea of energy conservation and environmental protection.