Threaded Toilet Bowl Adhesive Applicator for Precise Dose Control
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Solution Overview
Problem
Existing devices for applying self-adhesive products to toilet bowls are difficult to manipulate and lack precise control over the amount dispensed, often requiring complex movements and only metered discrete doses.
Innovation Solution
A device that allows for easy dispensing of self-adhesive products through a screwing movement, enabling users to freely control the quantity applied by adjusting the screwing motion, without metered doses, and featuring a tubular applicator with a helical ramp and plunger with a helical slot for precise application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional devices use metered discrete doses with guide pins and through holes, then the device structure is simplified, but the user cannot precisely control the amount of self-adhesive product dispensed
Solution Approach 1:
The device transitions from fixed metered doses to a dynamic, continuous dispensing mechanism. The plunger can be moved to any position within the tubular body, allowing the user to dispense any desired amount of self-adhesive product rather than being constrained to predetermined discrete doses. This dynamic adjustment capability enables precise control over the dispensed quantity.
Solution Approach 2:
The device changes the parameter of dose control from discrete fixed values to continuous variable amounts. By replacing the guide pin and through hole mechanism with a freely movable plunger, the system allows continuous adjustment of the dispensed amount, transforming the dosing parameter from fixed to variable.
2Ease of operation
If conventional devices require simultaneous depression of guide pin and forward movement, then the dosing mechanism is simplified, but the device becomes difficult to manipulate
Solution Approach 1:
The invention removes the guide pin component from the device structure. Without the guide pin constraint, the user no longer needs to perform the complex simultaneous action of depressing the guide pin while applying forward movement. The plunger can be moved freely along the longitudinal axis, simplifying the operation to a single intuitive pushing motion.
Solution Approach 2:
Instead of using a guide pin to constrain and control plunger movement (complex operation), the invention inverts the approach by removing the constraint entirely and allowing free movement. This inversion transforms the operation from a constrained simultaneous action to an unconstrained simple pushing motion.
3Adaptability or versatility
If conventional devices dispense only metered discrete doses, then the device structure is simplified, but the user loses control over the exact quantity applied
Solution Approach 1:
The dispensing mechanism becomes dynamic and adaptable, allowing the user to adjust the plunger position to dispense any desired quantity of self-adhesive product. This replaces the static, fixed-dose mechanism with a flexible, user-controllable system that can adapt to different application needs.
Solution Approach 2:
The device gains universal applicability for different dosing requirements. By enabling continuous adjustment of the dispensed amount, the single device can serve multiple dosing needs (small amounts, large amounts, precise amounts, approximate amounts) that would otherwise require multiple specialized devices.
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
Facilitates easy and precise dispensing of self-adhesive products, allowing users to choose the amount applied, enhancing user control and simplifying the application process.
Implementation Method 1
a threaded section on an outer surface of the tubular wall of the plunger and a thread engaging section on an inner surface of the tubular wall of the applicator so that the plunger can be screwed within the applicator
Data Source
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AI summary
A device (1) for application of self-adhesive products for toilet bowls comprising: a self-adhesive product (2) for toilet bowls; an applicator (3) containing the self-adhesive product, said applicator comprising a thread engaging section (4); and a plunger (5) adapted to be inserted inside the applicator, said plunger comprising a threaded section (6) configured to be engaged by the thread engaging section upon insertion of the plunger inside the applicator; wherein the self-adhesive product is configured to be dispensed by screwing the plunger into the applicator. It is also proposed an applicator and a plunger for application of self-adhesive products for toilet bowls.