Actuator Cap Retaining Clip for Robust Fluid Dispensing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing actuator caps for fluid containers lack a robust and ergonomic design for spraying liquid products, particularly for cosmetic applications, and are not easily manufacturable while ensuring robustness during shipping and use.
Innovation Solution
A rotatable actuator cap with a non-rotatable chassis and spray channel assembly, featuring a retaining clip system that allows conversion between operative and inoperative states, utilizing leaf springs and rotational tension for easy manufacturing and robustness, made from materials like polypropylene and acetal, facilitating ergonomic and efficient product application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional actuator cap design is used, then the structure is simple, but the ergonomic performance and robustness during shipping are insufficient
Solution Approach 1:
The actuator cap is divided into distinct functional segments: a rotatable outer body for user interaction, a non-rotatable chassis for structural stability, and a spray channel assembly for fluid delivery. This segmentation allows each component to be optimized independently for its specific function while maintaining overall robustness.
Solution Approach 2:
A retaining clip mechanism acts as an intermediary element between the outer body and chassis, providing a controlled connection that ensures robustness during shipping while allowing intentional activation by the user. The retaining clip mediates between the need for stability and the need for operability.
2Adaptability or versatility
If a rotatable outer body with retaining clip is implemented, then the conversion between operative and inoperative states is enabled, but the manufacturing complexity increases
Solution Approach 1:
The outer body is designed to be rotatable relative to the chassis, transitioning between operative and inoperative states through rotational motion. This dynamic design enables state conversion while using simple mechanical components that can be manufactured with standard processes.
Solution Approach 2:
The retaining clip changes its engagement parameter with the circumferential slot based on the rotational position of the outer body. In the inoperative state, the clip is firmly held in the slot; in the operative state, the clip is released. This parameter change enables state conversion without complex mechanisms.
3Stability of the object's composition
If the retaining clip is held firmly in the slot, then the inoperative state is maintained, but the activation requires additional force
Solution Approach 1:
The retaining clip is pre-positioned in the circumferential slot to prevent accidental activation during shipping and storage. The clip creates a preliminary restraining force that maintains stability in the inoperative state until the user intentionally applies force to rotate the outer body and release the clip.
4Ease of operation
If the actuator button is made capable of depression, then the spraying function is enabled, but the risk of accidental activation increases
Solution Approach 1:
Before the actuator button becomes capable of depression, the user must first perform a preliminary action: rotate the outer body to release the retaining clip from the circumferential slot. This preliminary action ensures that the spraying function is only enabled when intentionally activated by the user, preventing accidental activation during shipping and storage.
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 actuator cap provides a robust, ergonomic, and easy-to-manufacture solution for spraying liquid products, ensuring efficient product application with up to 1.6 times mechanical advantage and enhanced user experience, particularly suitable for cosmetic products on the human body.
Implementation Method 1
utilizing leaf springs and rotational tension for easy manufacturing and robustness
Implementation Method 2
utilizing leaf springs and rotational tension for easy manufacturing and robustness
Implementation Method 3
up to 1.6 times mechanical advantage
Data Source
AI summary
An actuator cap for dispensing a liquid product, comprising:i) a rotatable outer body and an associated actuator button, the outer body comprising an inward projecting retaining clip andii) a non-rotatable chassis and an associated spray channel assembly, the non-rotatable chassis comprising a circumferentially extending slot into which the inward projecting retaining clip of the rotatable outer body fits;the outer body and actuator button being rotatable between:a first position in which the actuator button is incapable of depression and the inward projecting retaining clip of the rotatable outer body is held firmly in the circumferentially extending slot of the non-rotatable chassis anda second position in which actuator button is capable of depression and the inward projecting retaining clip of the rotatable outer body is held less firmly in the circumferentially extending slot of the non-rotatable chassis.