Plastic Fluid Dispensing Device with Integrated Piston and Valves
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing fluid substance dispensing devices are costly, complex, and environmentally unsustainable due to their metal components and multi-part assembly.
Innovation Solution
A simplified, cost-effective, and environmentally friendly fluid substance dispensing device is designed with a cup-shaped body, a piston, and valve elements made from recyclable plastic materials, featuring a compact and efficient compression chamber mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If commonly known dispensing devices use multiple assembled parts with metal components, then dispensing function is achieved, but manufacturing cost increases and environmental compatibility deteriorates
Solution Approach 1:
The patent combines multiple functional components (piston, valve elements, housing) into a single integrated plastic body structure. The cup-shaped body incorporates internal cavities, channels, and mounting features that previously required separate metal parts, thereby reducing part count and assembly complexity while maintaining dispensing functionality
Solution Approach 2:
The invention changes the material parameter from metal to plastic for the main body components. This material substitution reduces manufacturing cost, improves ease of manufacture through injection molding, and enhances environmental compatibility through recyclability, while the plastic material maintains sufficient mechanical strength for pump operation
2Object-affected harmful factors
If commonly known dispensing devices use metal components, then structural strength is ensured, but environmental compatibility deteriorates
Solution Approach 1:
The patent changes the material parameter from metal to plastic for the cup-shaped body and piston components. This substitution improves environmental compatibility through recyclability and reduced carbon footprint while the plastic material is engineered to maintain sufficient structural strength for withstanding pump compression forces and repeated actuation cycles
3Ease of manufacture
If a simplified device structure is used, then manufacturing cost decreases, but dispensing reliability may deteriorate
Solution Approach 1:
The patent integrates multiple functions into the plastic body structure including fluid passages, valve seats, and piston guidance features. This consolidation reduces manufacturing cost through single-piece injection molding while reliability is maintained through precise molded geometries that ensure proper fluid control and piston movement
Solution Approach 2:
The elastic element automatically returns the piston to its initial position after compression, and the valve elements automatically open/close based on pressure differential. This self-service mechanism eliminates the need for additional return springs or complex valve actuation mechanisms, reducing manufacturing cost while maintaining reliable dispensing operation
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 device achieves efficient dispensing of fluid substances while being more affordable, easier to assemble, and environmentally sustainable, with a reduced carbon footprint due to the use of recyclable plastic components.
Implementation Method 1
a piston (3) which slides in a sealed manner, counter to an elastic element (10)
Implementation Method 2
A first valve element (6) is envisaged on the bottom of the cup-shaped body (2)
Implementation Method 3
In the dispensing button (5) there is a second valve element (8) incorporated
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A device (1) for dispensing a fluid substance, comprising a cup-shaped body (2) inside which a piston (3) slides in a sealed manner counter to an elastic element (10), preferably made as a single piece also featuring a hollow stem (4), there being a first valve element (6) envisaged on the bottom of the cup-shaped body, the hollow stem (4) being sealed to a dispensing button (5), the dispensing button (5) featuring a nozzle (7) and a second valve element (8), and a compression chamber (9) determined at least partially by the cavity (4A) in the hollow stem (4), by at least part of the cup-shaped body (2), by at least part of the piston (3), by at least part of the dispensing button (5), and by the first and second valve elements (6, 8), the nozzle (7) being positioned between the second valve element (8) and the first valve element (6).