E-Cigarette Upper Cover Assembly Sliding Cap Mechanism
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Solution Overview
Problem
Conventional electronic cigarette atomizers face difficulties in liquid filling due to loose or tight caps, which are hard to operate, and the small size of the device limits finger contact area, making it challenging to open the liquid filling hole effectively.
Innovation Solution
An upper cover assembly with a movable liquid filling cap that slides between usage and liquid filling positions, featuring sliding grooves, positioning grooves, and a mouthpiece integrated with the cap, allowing easy transition between inhaling and filling modes by exposing the liquid filling hole when needed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the cap is set too tight to prevent slipping, then the anti-slip effect is improved, but the user can hardly push it with only the fingers
Solution Approach 1:
The liquid filling cap is divided into a cap body and an integrated mouthpiece, allowing the user to push the mouthpiece portion which has a larger contact area, while the cap body remains securely engaged with the upper cover
Solution Approach 2:
The mouthpiece serves dual functions: as an inhalation component during usage and as a pushing interface for opening the liquid filling cap, eliminating the need for a separate cap opening mechanism
2Ease of operation
If the cap is set too loose to be easily pushed, then the ease of operation is improved, but the cap will slip easily
Solution Approach 1:
The cap structure is segmented into a fixed cap body that maintains secure engagement and a movable mouthpiece that provides the pushing interface, resolving the conflict between grip security and pushability
Solution Approach 2:
The pushing action is transferred from the top surface of the cap to the lateral surface of the integrated mouthpiece, increasing the effective contact area while maintaining secure engagement through the sliding groove mechanism
3Volume of moving object
If the volume of the electronic cigarette is small, then the portability is improved, but the contact area between the finger and the cap is not large
Solution Approach 1:
The mouthpiece is designed to serve as both the inhalation interface and the cap opening interface, providing a larger effective pushing surface area without increasing the overall device volume
Solution Approach 2:
The functional segmentation allows the mouthpiece to extend the effective operating surface beyond the compact cap body, enabling comfortable finger contact while maintaining small device dimensions
Data Source
AI summary
An upper cover assembly includes an upper cover, a liquid filling cap movable relative to the upper cover between a usage position and a liquid filling position, and a mouthpiece. The upper cover is provided with a liquid filling hole and a smoke outlet hole. The liquid filling cap is provided with a through hole. The mouthpiece is integrally formed with the liquid filling cap and is in communication with the through hole. When the liquid filling cap is in the usage position, the liquid filling cap covers the liquid filling hole and the through hole is in communication with the smoke outlet hole. When the liquid filling cap is moved from the usage position to the liquid filling position, the liquid filling cap is displaced from the liquid filling hole and the liquid filling hole is opened.