Liquid Discharge Apparatus Asymmetric Coupling Design
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Solution Overview
Problem
Existing liquid discharge apparatuses face challenges in easy attachment and detachment of liquid dischargers, particularly due to overlapping couplings that complicate operator access and operation, leading to inefficiencies in coupling and decoupling processes.
Innovation Solution
The apparatus incorporates a holder with a detachable fixing member and vertically arranged liquid dischargers, where the couplings between liquid conveyors and containers are designed to be exposed and operable by one touch, with varying lengths to prevent overlap and facilitate easy access, allowing for straightforward attachment and detachment of liquid dischargers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If multiple liquid dischargers are arranged vertically with uniform coupling lengths, then the structure is simplified and easier to manufacture, but the couplings overlap making attachment and detachment difficult
Solution Approach 1:
The patent applies asymmetry by making the coupling lengths different for each liquid discharger position. Specifically, the coupling length increases from upper to lower liquid dischargers, creating an asymmetric configuration that prevents overlap when dischargers are vertically arranged. This asymmetric design allows operators to easily access and operate couplings without interference from adjacent components.
2Ease of operation
If coupling lengths are increased to prevent overlap, then ease of operation improves, but the device occupies more space and becomes more complex
Solution Approach 1:
The patent applies local quality by varying the coupling length according to the specific position of each liquid discharger. Rather than uniformly increasing all coupling lengths, the design selectively extends couplings only where needed based on the vertical arrangement and overlap potential. This localized approach optimizes accessibility while minimizing overall space occupation and structural complexity.
Data Source
AI summary
A liquid discharge apparatus includes a holder, a fixing member, multiple liquid dischargers, and multiple couplings. The fixing member is detachably attached to the holder. The multiple liquid dischargers are secured to the fixing member and arranged side by side in a vertical arrangement direction. The multiple liquid dischargers include respective liquid conveyors. The multiple couplings couple the respective liquid conveyors and respective liquid containers. One of the liquid conveyors of a lower one of the multiple liquid dischargers is longer in a direction intersecting the vertical arrangement direction than another one of the liquid conveyors of an upper one of the multiple liquid dischargers above the lower one.