Cosmetic Container Assembly With Elastic Fit Stabilization
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Solution Overview
Problem
Existing cosmetic product containers face issues with unreliable assembly due to dimensional and geometric errors between the guide sleeve and accommodation unit, leading to unstable friction forces and compromised user experience.
Innovation Solution
A container design featuring a drive sleeve, guide sleeve, and accommodation unit with elastic members and protruded components that absorb geometric and dimensional errors, ensuring stable friction and improved assembly reliability through elastic deformation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If dimensional errors and geometric errors occur in production processes, then manufacturing cost and production efficiency are improved, but assembly reliability deteriorates due to too tight or too loose fit between guide sleeve and accommodation unit
Solution Approach 1:
The patent introduces elastic members that can deform elastically to compensate for dimensional and geometric errors. By changing the physical state of the connection from rigid to elastic, the system can adapt to variations in manufacturing tolerances, maintaining reliable assembly despite production variations
Solution Approach 2:
The elastic members are pre-installed between the guide sleeve and accommodation unit to provide beforehand cushioning against dimensional errors. This pre-compliance mechanism absorbs potential fit issues before assembly, preventing too tight or too loose conditions
2Stability of the object's composition
If tight fit between guide sleeve and accommodation unit is achieved, then assembly stability is improved, but friction force becomes too large causing operation difficulty
Solution Approach 1:
The patent transforms the connection parameter from rigid fixed friction to elastic variable friction. The elastic members allow the friction force to adjust dynamically, providing enough stability for assembly while maintaining operability by reducing excessive friction during use
Solution Approach 2:
The system transitions from a static rigid connection to a dynamic elastic connection. The elastic members can deform under load, allowing the friction characteristics to change based on operational conditions, thus balancing stability and ease of operation
3Ease of operation
If loose fit between guide sleeve and accommodation unit is achieved, then operation ease is improved, but assembly reliability deteriorates due to unstable friction force
Solution Approach 1:
The elastic members change the friction parameter from unstable (loose fit) to controlled and predictable. By introducing elastic deformation, the system maintains operational ease while ensuring reliable assembly through consistent friction characteristics
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 stabilizes friction forces and enhances user experience by balancing the fit between the guide sleeve and accommodation unit, reducing the likelihood of too tight or too loose interactions, thereby improving overall assembly reliability.
Implementation Method 1
elastic members and protruded components are arranged on the side wall of the accommodation unit, the elastic members are in contact with an inner wall of the guide sleeve and in an elastic deformation state
Data Source
AI summary
A container includes a drive sleeve provided with a transmission component; a guide sleeve provided with guide grooves extending along an axial direction of the guide sleeve; and an accommodation unit, arranged within the guide sleeve, a side wall of the accommodation unit being arranged at an interval with the guide sleeve. Elastic members and protruded components are arranged on the side wall of the accommodation unit. The elastic members are in contact with an inner wall of the guide sleeve and in an elastic deformation state. The drive sleeve is sleeved out of the guide sleeve. Each of the protruded components passes through a respective one of the guide grooves to cooperate with the transmission component, and the drive sleeve drives the accommodation unit to move along the axial direction of the guide sleeve through cooperation between the transmission component and the protruded components.