Trigger Dispenser with Integrated Valve and Piston Assembly
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Solution Overview
Problem
Existing triggered dispenser devices have complex assembly processes and require multiple components, making them economically inefficient and less reliable in liquid dispensing operations.
Innovation Solution
A simplified dispenser device design with integrated components, including a pre-assembled dispenser head and integrated valve means made from flexible materials like EVA or TPE, which allows for efficient liquid dispensing and easy assembly, featuring a piston, trigger, and elastic return mechanism for repeatable operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple separate components are used in the dispenser device, then the device can be more reliable and efficient in liquid dispensing, but the assembly process becomes complex and time-consuming
Solution Approach 1:
The patent integrates multiple separate components (valve means, piston, seal elements, and housing) into a single pre-assembled dispenser head unit. This merging maintains the functional reliability of each component while eliminating the complexity of assembling multiple separate parts during production, directly resolving the contradiction between reliability and assembly complexity
2Productivity
If multiple separate components are used in the dispenser device, then the device can function more efficiently, but the production cost increases due to more components and longer assembly time
Solution Approach 1:
The dispenser head is pre-assembled as a complete functional unit before being installed in the container. This preliminary assembly action allows the complex multi-component unit to be manufactured and tested separately, then installed as a single unit during production, maintaining high dispensing efficiency while significantly improving production efficiency and reducing costs
3Ease of manufacture
If a simplified design with integrated components is used, then the assembly is faster and more cost-effective, but the reliability and precision of liquid dispensing may be compromised
Solution Approach 1:
The integration of valve means, piston, and seal elements into a pre-assembled head unit maintains dispensing accuracy through precise factory assembly of the integrated components, while enabling faster installation during production. The merging preserves functional precision while improving assembly speed
4Reliability
If multiple separate components are used, then the device can be more reliable, but the number of components increases making the device more complex
Solution Approach 1:
The patent combines multiple separate components (valve body, piston, seals, and housing elements) into a single integrated dispenser head unit. This merging reduces the total number of components that need to be handled during assembly while maintaining the functional reliability of each integrated element, directly addressing the contradiction between reliability and component quantity
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 solution results in a highly efficient, reliable, and cost-effective dispenser device with simplified assembly, ensuring accurate and repetitive liquid dispensing while reducing the number of components and assembly time.
Implementation Method 1
a piston (26) sliding in the pressure chamber (24)... an elastic element (400) for returning the piston (26) to its initial position
Implementation Method 2
integrated valve means (200, 300) made from flexible materials like EVA or TPE
Data Source
AI summary
A trigger dispenser device (1) for a liquid includes a dispenser head (20) provided with a pressure chamber (24) and a piston (26) sliding in the pressure chamber (24). A valve dispenser is provided to permit the passage of the liquid towards a dispenser duct (30) upon reaching a threshold pressure, and a trigger suitable for mechanically operating on dispenser valve to force the valve towards the open configuration.