Sliding Valve Body for Precise Detergent Dosing and Easy Seal Access
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Solution Overview
Problem
Current detergent dosing devices in professional cleaning are complex, difficult to maintain, and have operational issues due to intricate valves with numerous moving parts, leading to premature loss of functionality and inefficient detergent usage.
Innovation Solution
A valve body for a dosing device composed of two elements that move slidably between pre-set positions to open and close inlet and outlet pipes, with seals exposed for easy inspection and replacement, eliminating the need for complex moving parts and allowing quick detergent changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a complex valve with numerous moving parts is used in the dosing chamber, then the valve can control the detergent flow, but the valve is subject to premature loss of functionality due to constant dampening by detergent and encrustations
Solution Approach 1:
The valve body is divided into a first element and a second element that can be separated from each other. The first element contains the outlet closure seal while the second element contains the inlet closure seal. This segmentation allows each element to be independently removed and maintained, preventing the entire valve assembly from becoming inoperable due to wear in one location.
Solution Approach 2:
The first valve body element can be extracted from the dosing chamber through the outlet pipe for maintenance and replacement. The seal for closing the outlet pipe is positioned on the first element, allowing it to be removed and replaced without disassembling the entire valve mechanism or emptying the detergent chamber.
2Ease of operation
If the valve components are assembled inside the dosing chamber, then the valve can operate, but inspection and maintenance of the valve component becomes impossible without emptying the detergent
Solution Approach 1:
The first valve body element is designed to be removable through the outlet pipe of the dosing chamber. This extraction capability allows maintenance personnel to access and replace the outlet closure seal without emptying the detergent from the chamber, significantly simplifying maintenance operations.
Solution Approach 2:
By separating the valve body into two distinct elements with their respective seals, the invention allows each element to be independently accessed and maintained. The first element can be removed through the outlet pipe while the second element remains in place, enabling selective maintenance without complete disassembly.
3Ease of manufacture
If the valve body is made as a single piece, then the structure is simple, but the seals cannot be easily replaced without replacing the entire valve body
Solution Approach 1:
The valve body is divided into a first element and a second element, each containing their respective seals. This segmentation allows individual elements and seals to be replaced independently, reducing maintenance costs and complexity compared to replacing an entire single-piece valve body.
Solution Approach 2:
The first valve body element can be extracted from the dosing chamber for seal replacement. This extraction mechanism is specifically designed to allow removal of the element containing the outlet closure seal, enabling seal replacement without removing the entire valve assembly or emptying the detergent chamber.
4Adaptability or versatility
If the operator must empty the entire tank to change detergent type, then the detergent can be completely replaced, but the operation becomes time-consuming and inefficient
Solution Approach 1:
The first valve body element can be extracted through the outlet pipe to replace the outlet closure seal when changing detergent types. This extraction capability allows maintenance personnel to perform seal replacement without emptying the detergent chamber, significantly reducing the time required for detergent changes.
5Reliability
If the seal is positioned inside the dosing chamber, then the seal can close the outlet pipe, but the seal cannot be inspected or replaced without disassembling the entire valve assembly
Solution Approach 1:
The first valve body element containing the outlet closure seal is designed to be extractable through the outlet pipe. This extraction capability allows the seal to be visually inspected and replaced without disassembling the entire valve assembly or emptying the detergent chamber, significantly improving maintenance accessibility.
Data Source
AI summary
The object of this invention is a valve body of a cleaning appliance, specifically a dosing device, whose valve body can open and close the inlet and outlet pipes of the dosing chamber of the dosing device, to release a correct amount of detergent for soaking a cleaning cloth.