Elastic Coupling Cartridge for Reliable Aerosol Device Replacement
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Solution Overview
Problem
There is a need for an effective coupling structure between a cartridge and an aerosol generating device, particularly for detachable cartridges that accommodate a liquid composition and generate aerosol through heating, addressing the growing demand for alternative methods to combustive-type cigarettes.
Innovation Solution
A cartridge design featuring a liquid storage with a heater and a coupling protrusion made of elastic material for secure attachment to the device, utilizing a coupling hole in the main body, with features like stepped surfaces and tapered portions for stable fitting and color-coded identification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a coupling structure is designed for detachable cartridges, then ease of operation is improved, but reliability of connection may worsen
Solution Approach 1:
The coupling protrusion is designed with elastic material that can dynamically adapt during coupling and decoupling operations. The elastic property allows the protrusion to deform during insertion into the coupling hole, ensuring reliable connection while maintaining ease of detachment when force is applied.
Solution Approach 2:
The material parameter of the coupling protrusion is changed from rigid to elastic. This parameter change allows the protrusion to exhibit both compliance during coupling (improving ease of operation) and secure holding force when coupled (maintaining connection reliability).
2Ease of operation
If elastic material is used for coupling protrusion, then ease of operation is improved, but manufacturing precision requirements worsen
Solution Approach 1:
The material parameter is changed from rigid to elastic, which compensates for dimensional variations. The elastic deformation capability allows the protrusion to accommodate minor dimensional deviations during manufacturing while still achieving reliable coupling.
Solution Approach 2:
The coupling protrusion uses elastic material that combines structural integrity with deformation capability. This material selection allows tolerance for manufacturing variations while maintaining functional performance.
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 easy replacement and secure coupling of cartridges, reduces manufacturing costs, and allows intuitive identification of cartridge contents, enhancing user experience and device functionality.
Implementation Method 1
a coupling protrusion comprising an elastic material, protruding from an outer surface of the liquid storage, and configured to couple the main body to the cartridge by being inserted into a coupling hole formed on the main body
Implementation Method 2
a heater configured to heat the liquid composition accommodated in the liquid storage to generate aerosol
Data Source
Figure 1
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AI summary
A cartridge for mounting on a main body of an aerosol generating device includes: a liquid storage extending in a longitudinal direction of the cartridge to form an outer wall of the cartridge, the liquid storage including a space accommodating a liquid composition therein; a heater that heats the liquid composition accommodated in the liquid storage to generate an aerosol; and a coupling protrusion including an elastic material, the coupling protrusion protruding from an outer surface of the liquid storage and coupling the main body to the cartridge.