Non-Nicotine Pod Retention Structure for Secure E-Vaping Assembly
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Solution Overview
Problem
Existing non-nicotine e-vaping devices face challenges in securely retaining non-nicotine pod assemblies, which can lead to improper seating and potential electrical disconnections, affecting the device's performance and user experience.
Innovation Solution
The device body and non-nicotine pod assembly feature complementary protrusions and recesses, along with resilient sidewalls that deflect during insertion, ensuring secure engagement and retention, while also providing auditory and haptic feedback for proper seating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a simple insertion structure is used for the pod assembly, then the device complexity is reduced and manufacturing cost is lowered, but the retention reliability deteriorates leading to improper seating and electrical disconnections
Solution Approach 1:
The device employs asymmetric protrusions and recesses on opposite sidewalls of the through hole. Each sidewall has a protrusion at a different location and orientation, creating an asymmetric engagement pattern with corresponding recesses on the pod assembly. This asymmetric design provides reliable retention and proper seating orientation while maintaining structural simplicity and avoiding complex mechanisms.
2Strength
If rigid sidewalls are used in the through hole, then the structural strength is improved, but the ease of operation deteriorates due to difficulty in pod assembly insertion
Solution Approach 1:
The sidewalls of the through hole are designed with resilient or flexible properties, allowing them to dynamically deflect during pod assembly insertion. This dynamic behavior enables the rigid-appearing structure to temporarily deform and accommodate the pod, then return to its original shape to provide secure retention. The dynamic characteristic resolves the contradiction between structural strength and insertion ease.
3Reliability
If multiple retention points are implemented on both sidewalls, then the retention reliability is improved, but the device complexity increases
Solution Approach 1:
The retention mechanism is segmented into multiple independent engagement points distributed on both sidewalls. Each sidewall contains at least one protrusion that engages with a corresponding recess on the pod assembly, creating multiple discrete retention points. This segmentation provides enhanced reliability through distributed engagement while avoiding the complexity of integrated complex mechanisms, as each protrusion-recess pair is a simple, independent feature.
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 ensures reliable and cost-effective retention of the non-nicotine pod assembly, facilitating stable electrical connections and enhancing user satisfaction through tactile and auditory confirmation of proper assembly.
Implementation Method 1
At least one of the upstream sidewall or the downstream sidewall may be configured to deflect during an insertion of the non-nicotine pod assembly
Implementation Method 2
The at least one upstream protrusion and the at least one downstream protrusion may be configured to engage with the at least one upstream recess and the at least one downstream recess, respectively, so as to retain the non-nicotine pod assembly within the through hole of the device body
Data Source
AI summary
A non-nicotine e-vaping device may include a non-nicotine pod assembly and a device body defining a through hole configured to receive the non-nicotine pod assembly. The non-nicotine pod assembly is configured to hold a non-nicotine pre-vapor formulation. The through hole of the device body includes at least one sidewall that is configured to deflect during an insertion of the non-nicotine pod assembly. One or more sidewalls of the through hole may include at least one protrusion configured to engage with corresponding recesses of the non-nicotine pod assembly so as to retain the non-nicotine pod assembly within the through hole of the device body.