Waste Ink Case Partition Wall Design
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Solution Overview
Problem
Conventional waste ink cases lack an effective mechanism for air escape, leading to ink flow reversal and inefficient ink absorption due to the absence of a dedicated exhaust vent, which causes air bubbles and impurities to remain in the system.
Innovation Solution
A waste ink case design featuring a container with an ink introducing port, an exhaust vent, and a partition wall that obstructs the direct path between the two, allowing the ink absorber to be positioned along a ventilation passage detouring around the partition wall, ensuring proper ink absorption and air exhaustion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an exhaust vent is added to allow air escape, then air can be exhausted properly, but ink may flow backward through the opening part
Solution Approach 1:
The waste ink case is divided into multiple functional zones using partition walls. The first partition wall separates the ink introduction area from the exhaust vent area, while the second partition wall creates a dedicated ink absorption zone. This segmentation allows air to escape through the exhaust vent while preventing ink from reaching it directly.
Solution Approach 2:
The ink absorber acts as an intermediary element positioned between the ink introduction port and the exhaust vent. It absorbs excess ink and regulates the flow, preventing ink from flowing backward into the exhaust vent while still allowing air to pass through.
2Reliability
If the ink absorber is positioned along a longer ventilation passage detouring around the partition wall, then ink absorption is improved, but the device complexity increases
Solution Approach 1:
The ventilation passage is segmented into distinct sections by partition walls, creating a controlled detour path. The first partition wall directs air flow from the ink introduction port toward the ink absorber, while the second partition wall guides the flow toward the exhaust vent. This segmented approach ensures thorough ink absorption while maintaining a manageable structural complexity.
3Object-affected harmful factors
If a partition wall is introduced to obstruct the direct path between ink introducing port and exhaust vent, then ink flow reversal is prevented, but the device complexity increases
Solution Approach 1:
Two partition walls are strategically positioned to segment the waste ink case interior. The first partition wall obstructs the direct path from the ink introduction port to the exhaust vent, preventing ink flow reversal. The second partition wall creates a separate zone for the ink absorber. Together, these partitions effectively prevent harmful ink flow while maintaining reasonable structural complexity.
Solution Approach 2:
The partition walls serve as intermediary structures that mediate between the ink introduction port and the exhaust vent. They physically block the direct path for ink flow while allowing air to pass through the segmented passages, thus preventing ink flow reversal without completely obstructing ventilation.
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
This design enhances ink absorption by allowing air and ink to contact the absorber over a longer distance, preventing ink flow reversal and improving maintenance efficiency by integrating the wiping member and scraping unit with the waste ink case.
Implementation Method 1
an ink absorber that absorbs an ink
Data Source
AI summary
A waste ink case includes a container. The container houses an ink absorber that absorbs ink. The container includes an ink introducing port, an exhaust vent, and a partition wall. Through the ink introducing port, the ink is introduced from a print head into the container. Through the exhaust vent, air in the container is exhausted. The partition wall acts as an obstruction between the ink introducing port and the exhaust vent. The ink absorber is provided along a ventilation passage. The ventilation passage is from the ink introducing port to the exhaust vent, detouring around the partition wall.