Childproof Dropper Cap With Automatic Pipette Loading
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Solution Overview
Problem
Existing childproof caps for containers are complex and costly to produce, often requiring expensive manufacturing processes and non-recyclable plastics, and do not provide self-loading features for droppers or pipettes, posing a risk of accidental consumption by children and inefficiency in fluid dispensing.
Innovation Solution
A container system with a removable cap featuring a self-loading mechanism that includes a pliable bulb and a cap system with interlocking teeth, allowing for automatic fluid transfer between the container and pipette through a combination of rotational and linear motions, ensuring childproof safety and recyclable materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complex shapes and features (markings, two-part processes) are used for childproof caps, then childproof safety is improved, but manufacturing cost and device complexity increase
Solution Approach 1:
The cap is divided into two separate parts: an inner cap and an outer cap. The inner cap contains the childproof locking mechanism with teeth that engage with corresponding teeth on the outer cap. This segmentation allows the complex childproofing function to be distributed across simple, separate components rather than requiring a single complex structure.
Solution Approach 2:
The childproofing function is extracted from the cap body and implemented through a separate locking mechanism consisting of teeth on the inner cap and corresponding teeth on the outer cap. This extraction allows the basic cap structure to remain simple while the childproofing feature is achieved through a dedicated, easily manufacturable mechanical interaction.
2Reliability
If complex shapes and features are used for childproof caps, then childproof safety is improved, but manufacturing cost increases
Solution Approach 1:
Instead of making the entire cap structure complex, the childproofing function is localized to specific features: teeth on the inner cap and corresponding teeth on the outer cap. These localized features provide the necessary childproofing function while keeping the rest of the cap structure simple and inexpensive to manufacture.
Solution Approach 2:
The cap components are designed to be made from the same or similar materials (plastic) with similar manufacturing processes. The inner cap and outer cap can both be produced using standard injection molding techniques, avoiding the need for expensive specialized manufacturing processes required by complex integrated designs.
3Reliability
If plastic materials are used to produce complex cap shapes, then childproof safety is improved, but environmental sustainability worsens due to non-recyclability and waste
Solution Approach 1:
The cap is designed as a two-part system where the inner cap and outer cap can be separated and recovered. This segmentation facilitates recycling by allowing the components to be processed separately, potentially enabling reuse or recycling of the plastic materials without requiring complex disassembly of integrated structures.
4Ease of operation
If traditional dropper loading mechanisms are used, then fluid dispensing is achieved, but the number of steps required by the user increases
Solution Approach 1:
The cap removal action is merged with the dropper loading action. When the user removes the outer cap from the container, the corresponding teeth interaction simultaneously performs both the cap removal function and the dropper loading function in a single action, eliminating the need for separate steps.
Solution Approach 2:
The dropper automatically loads itself when the outer cap is removed. The teeth interaction that releases the cap also triggers the mechanism that draws fluid into the dropper bulb, allowing the system to perform the loading function without requiring additional user intervention.
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 system provides a cost-effective, recyclable, and childproof solution that simplifies the loading process for droppers and pipettes, reducing the risk of accidental consumption and enhancing operational efficiency.
Implementation Method 1
a bulb (34) that is compressible from a first volume to a smaller second volume
Implementation Method 2
an automatic suction operation to charge a dropper
Data Source
AI summary
Storage and dispensing systems are provided. In various embodiments, systems of the present disclosure provide safety feature to prevent or limit the risk of a child or minor opening the system. Embodiments of the present disclosure further comprise novel cap and closure arrangements including, for example, features that are operable to automatically load or fill a pipette of the system.