Interchangeable Pacifier Nipple Locking Sleeve Assembly
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing infant pacifiers often have a permanently connected nipple and shield, which can be difficult to detach, posing a choking hazard and limiting the ability to interchange different nipple types.
Innovation Solution
A pacifier design featuring a shield with an annular sleeve and a nipple member with a rib that mates with a notch in the sleeve, along with a removably secured cap, allowing for easy assembly and disassembly and enabling interchangeable nipple members.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the nipple, shield and handle are permanently connected to reduce choking risk, then safety is improved, but the ability to detach and interchange parts is lost
Solution Approach 1:
The pacifier is divided into separate components (nipple, shield, handle) that can be detached and reconnected. The nipple includes a base with connection features that allow it to be separated from and reattached to the shield, enabling both safety during use and interchangeability when needed.
Solution Approach 2:
The connection between the nipple and shield transitions from static permanent connection to dynamic reversible connection. The nipple base incorporates flexible or movable connection elements that maintain secure attachment during use but allow controlled detachment for cleaning or replacement.
2Strength
If the nipple, shield and handle are permanently connected, then structural integrity is improved, but ease of cleaning and maintenance is reduced
Solution Approach 1:
The pacifier components are segmented to allow separate removal of the nipple from the shield. This enables thorough cleaning of each component individually, including areas that would be difficult to reach in a permanently connected design, while maintaining structural integrity when assembled.
Solution Approach 2:
The nipple can be extracted from the shield for separate cleaning and maintenance. The connection mechanism allows the nipple to be easily removed from the shield assembly, cleaned separately, and reattached, facilitating maintenance without compromising the overall structural integrity of the pacifier system.
3Device complexity
If the nipple, shield and handle are permanently connected, then device simplicity is improved, but adaptability to different nipple types is lost
Solution Approach 1:
The shield and handle are designed with universal connection interfaces that can accommodate different nipple types. The nipple base includes standardized connection features that work with the shield opening, allowing multiple nipple configurations while maintaining a simple overall device structure.
Solution Approach 2:
The connection system transitions from fixed permanent attachment to dynamic reversible attachment. This allows the nipple to be changed between different types or sizes while keeping the shield and handle components the same, providing versatility without significantly increasing device complexity.
Data Source
AI summary
A pacifier includes a shield with opposite front and rear surfaces, an opening substantially centered within the shield, and an annular sleeve extending from the rear surface. The annular sleeve is circumferentially aligned with a perimeter of the opening and comprises an inner surface with a notch. A nipple member includes an annular base, a nipple extending outwardly from a first end of the base, and a flange at an opposite second end. The nipple member is inserted through the shield opening with the nipple extending outward from the shield front surface. The annular base has an outwardly extending rib that mates with the notch to limit relative rotation. The flange abuts the distal free end of the shield annular sleeve. A cap is removably secured to the shield annular sleeve to maintain engagement of the nipple member and shield.