Cleaning device for wet wiping
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Solution Overview
Problem
Existing cleaning devices for wet mopping have limited range due to the need for manual re-wetting of the mop cover, which restricts the area that can be cleaned effectively, and telescopic handles often compromise on adjustability and ergonomic convenience.
Innovation Solution
A cleaning device with a telescopically adjustable handle and a liquid dispensing system that includes a variable-volume liquid chamber and a non-return valve, allowing for effortless re-wetting of the mop cover without hindering handle adjustment, featuring a spray nozzle for even liquid distribution and a simple cuff design for secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a damp mop cover is used to improve cleaning effect, then cleaning performance is improved, but the range of area that can be cleaned is limited
Solution Approach 1:
The liquid dispensing device is pre-attached to the telescopic handle, with the reservoir positioned to allow automatic or manual dispensing of liquid onto the mop cover during the cleaning process, ensuring the mop cover remains damp throughout extended cleaning operations
Solution Approach 2:
A liquid dispensing device acts as an intermediary between the liquid reservoir and the mop cover, delivering the necessary liquid to maintain optimal dampness of the mop cover over an extended cleaning area
2Adaptability or versatility
If a telescopic handle is added to extend cleaning range, then handling flexibility is improved, but the structure becomes more complex
Solution Approach 1:
The telescopic handle serves multiple functions: it provides adjustable length for ergonomic handling, supports the liquid dispensing device, and acts as a pump mechanism through pressing motion, eliminating the need for separate components for each function
Solution Approach 2:
The liquid dispensing device is integrated with the telescopic handle structure, combining the handle mechanism and liquid delivery system into a single unified device that reduces overall structural complexity
3Reliability
If the liquid dispensing device is firmly attached to the handle, then liquid delivery stability is improved, but telescopic adjustment is hindered
Solution Approach 1:
The attachment system is divided into two independent fastening devices: a first fastening device that firmly secures the liquid dispensing device to prevent movement during liquid delivery, and a second fastening device that allows telescopic adjustment of the handle while maintaining connection
4Measurement precision
If the liquid chamber volume is made variable to improve liquid dispensing control, then liquid distribution precision is improved, but the device complexity increases
Solution Approach 1:
The telescopic handle serves as a dual-purpose mechanism: it provides length adjustment for ergonomics and, when pressed, acts as a pump to vary the liquid chamber volume and control liquid dispensing, eliminating the need for a separate pump mechanism
Solution Approach 2:
The handle pressing action automatically varies the liquid chamber volume and triggers liquid dispensing through the integrated pump mechanism, allowing the user to control both handle length and liquid delivery through a single interaction
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
Enables extended cleaning range with efficient and even re-wetting of the mop cover, maintaining ergonomic adjustability and ensuring effective liquid distribution, allowing for both telescopic handle adjustment and targeted liquid dispensing with minimal user effort.
Implementation Method 1
the second housing section (44) is movable relative to the first housing section (42), the volume of a liquid chamber (50) in the device for dispensing liquid being increased by a movement of the second housing section relative to the first housing section, wherein the liquid chamber is in liquid communication with both the dispensing opening and the reservoir
Data Source
Figure 1~2
Figure 3
Figure 4
AI summary
A cleaning device for wet wiping comprises a telescopically adjustable handle (12), a device (20) for dispensing liquid attached to the handle (12) with a reservoir (22) for liquid, at least one dispensing opening (28) for liquid, a first fastening device (36) which is fixedly attached to a first end (14) in the longitudinal direction of the handle (12), a second fastening device (38) which is slidably attached to the handle (12) relative to the longitudinal axis (X) of the handle (12), and a cleaning head (30) which has means (34) for releasably attaching a mop cover.