Color Paste Nozzle Moisturizing to Prevent Drying and Blockage
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Solution Overview
Problem
Existing colorant dispensers face issues of nozzle dryness and blockage, poor accuracy in outpouring amount, wear of valve components, and environmental pollution due to volatile organic solvents used for cleaning, particularly in fields like automotive refinishing and latex paints.
Innovation Solution
A colorant dispenser design that includes a moisturizing space within the container to keep the outlet end humid, eliminating the need for a reversing valve and organic solvents, thereby reducing dryness, blockage, and environmental pollution, while maintaining accurate outpouring amounts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a reversing valve device is used to moisturize the outpouring nozzle, then the probability of nozzle dryness and blockage is reduced, but the accuracy of outpouring amount deteriorates due to swelling and wear of valve components
Solution Approach 1:
The patent extracts and removes the reversing valve device from the system, replacing it with a direct moisturizing approach where the outpouring nozzle is simply inserted into the color paste container to contact the color paste directly, eliminating the valve components that cause swelling and wear while maintaining nozzle moisturization
Solution Approach 2:
The outpouring nozzle moisturizes itself by being in direct contact with the color paste in the container, using the color paste's own moisture to prevent dryness and blockage, rather than relying on a complex reversing valve system that introduces accuracy problems
2Reliability
If organic solvents are used for cleaning the outpouring nozzle, then nozzle blockage is prevented, but environmental pollution and health hazards increase due to volatile organic gases
Solution Approach 1:
The patent converts the potential harm of color paste residue into a benefit by using the color paste itself as the moisturizing agent. The color paste in the container serves dual purposes: as the product to be dispensed and as the moisturizing medium for the nozzle, eliminating the need for separate cleaning solvents and their associated environmental hazards
Solution Approach 2:
The color paste acts as an intermediary substance that eliminates the need for organic cleaning solvents. Instead of using harmful volatile organic compounds for cleaning, the system uses the benign color paste itself to moisturize and prevent blockage of the nozzle
3Reliability
If the outlet end is retracted into the container for moisturizing, then nozzle dryness is prevented, but the device complexity increases due to additional moving mechanisms
Solution Approach 1:
The patent merges the moisturizing function with the existing outlet end structure by simply inserting the outlet end into the color paste container. This combines the dispensing and moisturizing functions into a single straightforward action, avoiding the need for separate retracting mechanisms and reducing overall device complexity
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 design effectively prevents nozzle dryness and blockage, maintains accurate outpouring amounts, and avoids environmental pollution by using evaporated color paste vapor for moisturization, eliminating the need for cleaning liquids.
Implementation Method 1
a moisturizing space (101) in the inner space of the first container (10), wherein when the outlet end (22) is in the non-operating state, at least a part of the outlet end (22) is located in the moisturizing space (101)
Data Source
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AI summary
Embodiments of the present invention provide a colorant dispenser and a color-paste outpouring method for a colorant dispenser. The colorant dispenser includes a pump, a first container, an outpouring tube and a second container, wherein the first container is configured to accommodate a color paste; the outpouring tube has an inlet end and an outlet end, wherein the inlet end is connected to the first container through the pump, and the outlet end is used for pouring out the color paste; and the outlet end has an operating state and a non-operating state, when the outlet end is in the operating state, the color paste is pumped into the second container from the outlet end, and when the outlet end is in the non-operating state, at least a part of the outlet end is located in a moisturizing space of the first container. The colorant dispenser according to the embodiments of the present invention not only can moisturize the outlet end used for pouring out the color paste and reduce probability of problems of dryness and blockage occurring to the outlet end, but also can solve a problem of poor accuracy of an outpouring amount of the color paste caused by moisturizing the outlet end using a reversing valve device, a problem of wear of a valve core and a valve body and a problem of environmental pollution.