Cap Structure with Hook and Engaging Ledge for One-Touch Opening
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Solution Overview
Problem
Existing one-touch opening/closing structures for container caps are complex, leading to manufacturing issues during mass production and difficulties in ensuring reliable sealing, especially under pressure, which affects productivity and user convenience.
Innovation Solution
A simplified structure featuring a container with an engaging ledge and a cap with a hook member and a barrel-shaped cover portion, including a thin deformable member and a thick turning member, allowing for easy injection molding and one-handed operation, with features like wing hooks and locking rails for enhanced sealing and opening functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a conventional one-touch opening/closing structure is used, then opening/closing can be achieved within a short time, but the structure is relatively complicated leading to manufacturing issues during mass production
Solution Approach 1:
The cap is divided into multiple functional components: a sealing portion with hook members for engagement, a cover portion for protection, and a connection portion for structural integrity. This segmentation allows each component to perform its specific function efficiently while simplifying the overall manufacturing process by enabling modular production and assembly.
2Productivity
If a conventional one-touch opening/closing structure is used, then opening/closing can be achieved within a short time, but manufacturing tolerances cause constituent elements to not perform desired functions smoothly
Solution Approach 1:
Different regions of the cap are designed with locally optimized properties: the hook members have specific curvature and thickness for reliable engagement, the connection portion has varying thickness to provide both flexibility and strength, and the sealing surface has precise geometry for tight sealing. These local quality variations ensure each component performs its function reliably despite manufacturing tolerances.
3Ease of manufacture
If a simplified cap structure is used, then moldability and productivity are improved, but sealing ability may be compromised
Solution Approach 1:
The sealing portion and cover portion are integrally molded as a single cap structure, combining multiple functions into one manufacturing process. This merging improves productivity by eliminating separate assembly steps while maintaining sealing ability through the integrated design of hook members and sealing surfaces that work together as a unified system.
4Force
If a screw method is used for opening/closing, then a high fastening force is maintained, but assembly time increases and ease of operation decreases
Solution Approach 1:
The cap structure incorporates elastic deformation capabilities in the connection portion and hook members, allowing dynamic adjustment during engagement. This enables rapid one-touch opening and closing without requiring multiple turning motions, while the elastic properties maintain strong fastening force through controlled deformation and recovery of the sealing components.
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 solution improves productivity and user convenience by enabling easy one-handed operation and reliable sealing, while also allowing for easy verification of the cap's first-time opening, thus enhancing product quality and market competitiveness.
Implementation Method 1
the thin deformable member capable of folding deformation
Implementation Method 2
the thick turning member that is thicker than the thin deformable member, the thick turning member being connected to an upper end of the cover portion and elastically deforming the cover portion outwardly during opening of the cap
Data Source
AI summary
A structure for one-touch opening/closing of a cap and a container, which simplifies one-touch opening/closing structure, prevents the cap from being self-opened due to internal or external pressure of the container, and facilitates smooth opening of the cap, is provided. The structure includes: a container including an the inlet and an engaging ledge formed on an outer surface; and a cap including a sealing portion and a cover portion, the sealing portion including a hook formed thereon corresponding to the engaging ledge, and opening the inlet of the container while ascending and closing the inlet of the container while descending as the hook is put on the engaging ledge, the cover portion being formed as a barrel-shaped body for the sealing portion, whereby productivity and assemblability of a product are improved, convenience of use is improved, and product quality and market competitiveness are maximized.