Double-Tank Water Spraying Mop with Visual Tank Selection Indicators
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Solution Overview
Problem
The existing double-tank water spraying mop has a difficult-to-control rotating valve core, making it hard for users to determine which water tank is currently in use, leading to operational challenges.
Innovation Solution
A double-tank water spraying mop design featuring a distribution body with sliding valve stems and protruding operating blocks that indicate which tank is in use, allowing easy identification of the active tank through visible protrusions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a rotating valve core is used to selectively communicate with water tanks, then liquid selection between tanks is achieved, but the rotation degree is difficult to control and users cannot determine which tank is currently in use
Solution Approach 1:
The patent uses different colors for the first and second operating blocks (e.g., first operating block in one color, second operating block in another color). This color differentiation allows users to immediately identify which water tank is currently selected without needing to understand rotational positions or mechanical states, providing intuitive visual feedback that resolves the information feedback problem while maintaining ease of operation.
Solution Approach 2:
The patent creates visual copies or representations of the tank selection state through the operating blocks. The operating blocks serve as visual indicators that copy the internal valve state to the external interface, allowing users to see which tank is active without directly observing the rotating valve core's position. This resolves the information feedback issue by providing an external visual representation of the internal state.
2Adaptability or versatility
If a rotating valve core is used to switch between water tanks, then liquid selection function is achieved, but the rotation operation becomes difficult to control
Solution Approach 1:
Instead of requiring users to rotate the valve core and infer the selected tank from the rotation position, the patent inverts the interaction: the operating blocks are designed to be pushed or pulled in different directions (e.g., first operating block pushed forward, second operating block pulled backward) to select tanks. This inversion of the control mechanism makes the operation more intuitive and easier to control while maintaining the liquid selection capability.
Solution Approach 2:
The patent segments the single rotating valve core into two separate operating blocks that can be independently operated. Each operating block is associated with a specific water tank and can be controlled independently. This segmentation simplifies the control mechanism by eliminating the need for precise rotational control, as users only need to push or pull the appropriate operating block to select the desired tank.
Data Source
AI summary
A double-tank water spraying mop, comprising a mop rod, a water tank housing, a first water tank, a second water tank, a water pump, a nozzle, and a distribution body, wherein the first water tank, the second water tank, the water pump, the nozzle and the distribution body are located in the water tank housing, the water pump is connected to the nozzle, after the water pump is started, the liquid entering the water pump from the first and second water tanks may be sprayed out through the nozzle; a distribution valve is further arranged in the distribution body, and under the distribution of the distribution valve, the liquid in the first water tank and the second water tank may flow into the water pump through the distribution body.