Oval Battery Stick Mounting Frame and Snap-Fit Assembly
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Solution Overview
Problem
Existing battery sticks for oval-shaped electronic cigarettes have complex connections, unstable structures, and high manufacturing costs due to their small, long, and narrow internal space, making assembly and manufacturing labor-intensive and costly.
Innovation Solution
A battery stick design featuring a rod-shaped housing with an oval cross-section, a mounting frame for the control circuit board and battery, and a snap-fit structure for easy assembly, eliminating the need for metal joints and simplifying the connection with the vaporizer, using elastic and stretchable electrodes for secure power supply.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a small, long, and narrow battery stick design is used for oval-shaped electronic cigarettes, then the device fits the oval shape, but the internal space becomes difficult to arrange components and the structure becomes complex
Solution Approach 1:
The battery stick is divided into multiple functional modules: a battery module containing the battery and elastic electrodes, a circuit board module with control circuits, and a housing module. This segmentation allows each module to be independently arranged within the oval cross-section, optimizing space utilization and simplifying the overall internal structure despite the constrained oval shape.
2Shape
If existing battery stick designs are used, then the oval shape is maintained, but the connection relationship with the vaporizer becomes complicated and assembly becomes labor-intensive
Solution Approach 1:
The battery, elastic electrodes, and circuit board are integrated into a unified modular assembly that connects to the vaporizer through a simplified interface. The housing combines protective functions with structural support, and the elastic electrodes integrate both electrical connection and mechanical flexibility. This merging reduces the number of separate components and simplifies the assembly process while maintaining the oval cross-sectional shape.
3Shape
If existing battery stick designs are used, then the oval shape is achieved, but the structure becomes unstable during use and manufacturing costs increase
Solution Approach 1:
The housing is designed with different local properties: the outer shell provides rigid protection against external impacts, while internal recesses and mounting structures provide localized support and positioning for the battery and circuit board. The elastic electrodes provide flexible electrical connection that accommodates minor movements. This differentiation of local qualities ensures overall structural stability during use while maintaining the oval shape.
Data Source
AI summary
A battery stick for the oval-shaped electronic cigarette comprises a rod shaped housing, and a battery, a control circuit board, and a power button which are accommodated in the housing, wherein an engagement portion for fixed connection with a vaporizer is arranged on an inner wall of the housing proximal to the open end, a mounting frame fitted inside the housing comprises a battery section and a circuit section arranged at one side of the control circuit board with a frame side plate having a same curvature as the inner wall of the housing, an outer border of the mounting frame is arranged with electrodes; the power button is arranged on the power switch of the control circuit board and is received in the first button hole of the housing; and a wedge part is arranged between the inner wall of the housing and the frame side plate.