Cleaning Tool Joint Mechanism for Wide and Narrow Space Adaptability
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Solution Overview
Problem
Existing electric cleaners are inefficient in cleaning both wide and narrow spaces as they require frequent attachment and detachment of nozzles, making it difficult to switch between cleaning different types of spaces effectively.
Innovation Solution
A cleaning tool with a joint system that allows the suction pipe to be rotated and positioned closer to one end of the body, enabling efficient cleaning of both wide and narrow spaces by changing the orientation of the suction pipe relative to the surface, allowing for deeper insertion into narrow spaces and wider coverage in open areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a small nozzle is detachably mounted to clean narrow spaces, then narrow space cleaning capability is improved, but device complexity increases and operational efficiency decreases due to frequent attachment and detachment
Solution Approach 1:
The main body nozzle is designed with a rotatable joint mechanism that allows it to adapt to both wide spaces (standard position) and narrow spaces (rotated position). This eliminates the need for separate small nozzles while maintaining the ability to clean different space types, thereby improving versatility without increasing device complexity
Solution Approach 2:
The invention merges the function of separate small nozzles into the main body nozzle by adding a rotatable joint. The main body nozzle can now perform both wide-space cleaning (original function) and narrow-space cleaning (new function through rotation), combining multiple functions into a single integrated component
2Adaptability or versatility
If a small nozzle is detachably mounted for narrow spaces, then narrow space accessibility is improved, but productivity decreases due to time lost in frequent attachment and detachment
Solution Approach 1:
The main body nozzle incorporates a rotatable joint mechanism that allows dynamic adjustment between different cleaning configurations. The nozzle can be rotated to access narrow spaces and then returned to its original position for wide spaces, enabling continuous cleaning operations without detachment and attachment cycles, thereby improving productivity
Solution Approach 2:
The rotatable joint mechanism is pre-configured on the main body nozzle, allowing the user to simply rotate the nozzle to the appropriate position before cleaning different space types. This preliminary positioning eliminates the need for time-consuming attachment and detachment operations during cleaning transitions
3Length of moving object
If the joint is positioned closer to one end of the body, then narrow space insertion depth is improved, but structural symmetry is reduced
Solution Approach 1:
The joint is intentionally positioned asymmetrically closer to one end of the main body nozzle rather than at the center. This asymmetric positioning allows the nozzle to be inserted deeper into narrow spaces while maintaining structural integrity and functionality, accepting reduced symmetry as a trade-off for improved performance
Data Source
AI summary
A cleaning tool includes a body for sucking in dust on a surface to be cleaned, a suction pipe, and a joint for connecting the suction pipe to the body. The joint is positioned closer to one end of the body with respect to a center of the body in a longitudinal direction of the body and is positioned substantially at center in a direction perpendicular to the longitudinal direction. A second rotating portion of the joint is connected to the body so as to be rotatable around a second axis of rotation being substantially parallel to the longitudinal direction. A first rotating portion of the joint is rotatably connected to the second rotating portion so as to be rotatable relative to the second rotating portion around a first axis of rotation being at an intersecting position or a skewed position with respect to the second axis of rotation.