Fluid Micro-Injection Flow Channel Assembly Segmentation
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Solution Overview
Problem
Existing fluid micro-injection devices face issues with closed flow channels, cumbersome cleaning, and complex assembly/disassembly, leading to low assembly efficiency and high maintenance costs.
Innovation Solution
A flow channel assembly for fluid micro-injection devices featuring a fluid seat with a defined fluid chamber and flow channel, a movable nozzle, and a fluid supply joint, along with an adapter and seal rings, allowing for easy assembly, disassembly, and cleaning with reduced maintenance costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the flow channel is designed as a closed structure, then the sealing performance is improved, but the cleaning process becomes cumbersome and time-consuming
Solution Approach 1:
The device is divided into separable components including the fluid seat, adapter, and flow channel assembly. This segmentation allows the flow channel to be detached for easy cleaning while maintaining sealed connections during operation through threaded interfaces and sealing structures.
2Reliability
If the assembly structure is made complex to ensure sealing, then the sealing performance is improved, but the assembly and disassembly processes become cumbersome
Solution Approach 1:
The assembly is segmented into modular components (fluid seat, adapter, flow channel) that can be independently assembled and disassembled. Each segment has standardized connection interfaces that simplify the assembly process while maintaining reliable sealing through integrated sealing structures.
Solution Approach 2:
An adapter component serves as an intermediary element between the fluid seat and flow channel assembly. This adapter simplifies the overall assembly structure by providing standardized threaded connections and integrating sealing functions, making the assembly and disassembly processes more straightforward.
3Reliability
If the flow channel is designed as a closed structure, then the sealing performance is improved, but the maintenance cost increases
Solution Approach 1:
The flow channel system is segmented into detachable components that can be easily removed and cleaned. This segmentation reduces maintenance costs by allowing quick access to internal surfaces without requiring complete disassembly of the entire system, while threaded connections maintain sealing integrity during operation.
4Reliability
If the assembly process is made rigorous to ensure sealing, then the sealing performance is improved, but the assembly efficiency decreases
Solution Approach 1:
The system is segmented into pre-assembled modular units (fluid seat with adapter, flow channel assembly) that can be quickly connected through standardized threaded interfaces. This segmentation improves assembly efficiency by reducing the number of individual assembly steps while integrated sealing structures ensure reliable sealing performance.
Solution Approach 2:
The adapter acts as an intermediary component that simplifies assembly by providing standardized threaded connections and integrating multiple functions (fluid passage, sealing surface, positioning features). This reduces assembly complexity and improves efficiency while maintaining reliable sealing.
Data Source
AI summary
A flow channel assembly (200) of a fluid micro-injection device have a fluid seat (210), a nozzle (220) and a fluid supply joint (230), the fluid seat (210) defines a fluid chamber (211) and a flow channel (212), which communicates with each other, the nozzle (220) is in communication with the fluid chamber (211), the movable member of the fluid micro-injection device movably passes through the fluid chamber (211) to open and close the nozzle (220), the fluid supply joint (230) communicates with the flow channel (212) to provide fluid to the nozzle (220) through the flow channel (212) and the fluid chamber (211).