Rotating Active Substance Dispenser With Stable Adjustment Positions
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Solution Overview
Problem
Existing dispensing devices for active substances in air or water are not designed to withstand random or abrupt movements, limiting their use in dynamic environments such as washing machines or sports bags, where external friction can alter the selected adjustment settings.
Innovation Solution
A rotating casing design with a first and second body that can couple and rotate, featuring adjustable openings and tabs, along with an elastic flange, allows for precise adjustment of active substance dispensing while resisting longitudinal or axial movements, ensuring stability during use in dynamic conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If adjustment is achieved by friction or small interference among parts, then adjustment can be made with audible feedback, but the device cannot withstand random or abrupt movements and the adjustment level may be altered
Solution Approach 1:
The device transitions from a static friction-based adjustment mechanism to a dynamic rotating mechanism with discrete positions. The rotating body allows the opening to move between defined positions (fully open, partially open, fully closed) rather than relying on continuous friction-based adjustment, making the setting stable against external movements while still providing user control
Solution Approach 2:
The adjustment mechanism is segmented into discrete positions rather than continuous adjustment. The opening can be positioned at specific intervals (fully open, partially open, fully closed) defined by the rotation mechanism, providing stable, identifiable settings that resist alteration from external friction while maintaining ease of operation
2Device complexity
If the device is designed for static locations, then the adjustment mechanism can be simple, but it cannot be used in dynamic environments like washing machines or sports bags
Solution Approach 1:
The device incorporates a rotating body that can actively change the opening position in response to user input, transforming it from a static to a dynamic structure. This dynamic capability allows the device to function reliably in moving environments like washing machines or sports bags while keeping the adjustment mechanism relatively simple through defined discrete positions
3Productivity
If the opening is always fully open, then maximum dispensing is achieved, but the user cannot control or adjust the dispensing level
Solution Approach 1:
The opening transitions from a fixed fully-open state to a dynamic structure that can rotate between multiple positions. This allows the opening area to be actively adjusted, enabling users to control dispensing levels from maximum (fully open) to minimum (fully closed) while maintaining a simple rotational operation
Solution Approach 2:
The device provides pre-defined adjustment positions (fully open, partially open, fully closed) that are established by the rotation mechanism's geometry. Users can directly select from these predetermined positions without complex adjustment procedures, combining ease of operation with controllable dispensing rates
Data Source
AI summary
The dispensing device comprising an active substance dispensing element (1) and adjustment means of the dispensing of said active substances, said active substance dispensing element (1) being housed inside a casing (2) formed by a first body (3) and a second body (4) that can be coupled to each other and that can rotate with respect to each other, said adjustment means comprising an opening (5) provided in said first body (3) and at least one tab (6), such that the relative position between said first (3) and second (4) bodies determines the degree of closure of said opening (5) by means of said tab (6), and in that said first body (3) comprises holes (7) supplementary to a protrusion (8), the position of said protrusion (8) inside one of said holes (7) determining varying adjustment positions of the degree of closure of said opening.