Spin Mop Screw Drive Clutch for Low-Force Water Wringing
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Solution Overview
Problem
Traditional mops require significant strength to operate and are not ergonomic, making them difficult to use effectively for wringing out water, whereas existing spin mops with rotational mechanisms can be cumbersome and lack efficient water removal designs.
Innovation Solution
A screw drive mechanism that translates reciprocating linear motion into rotational motion of the mop head for efficient water wringing, featuring a clutch assembly with a helical tooth engaging with threaded panels to facilitate spinning, allowing for ergonomic operation and effective water removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional mops use manual pressing mechanisms to remove water, then water removal function is provided, but significant user strength is required making them difficult to operate
Solution Approach 1:
The patent replaces the traditional manual pressing mechanism with a screw drive mechanism that converts reciprocating linear motion into rotational motion. This mechanical substitution eliminates the need for significant user strength while maintaining water removal functionality through automated rotation of the mop head.
Solution Approach 2:
The invention changes the operational parameters from direct force application to reciprocating linear motion. By transforming the input motion type and utilizing mechanical advantage through the screw mechanism, the system achieves rotation with minimal user effort, resolving the contradiction between ease of operation and force requirement.
2Ease of operation
If spin mops use rotational mechanisms to wring out water with reduced effort, then ease of operation is improved, but the mechanisms can be cumbersome and complex
Solution Approach 1:
The patent merges the clutch mechanism with the screw drive mechanism into an integrated assembly. The clutch members are positioned on the clutch shaft and work in conjunction with the threaded panel assembly, combining multiple functions into a unified structure that reduces overall device complexity while maintaining ease of operation.
Solution Approach 2:
The clutch mechanism automatically engages and disengages based on the reciprocating motion of the grip body casing. When the casing is pushed downward, the clutch connection engages to spin the mop head; when pulled upward, the clutch disengages. This self-service mechanism eliminates the need for additional controls or complex actuation systems.
3Productivity
If spin mops use external step lever mechanisms for water removal, then water removal function is provided, but the mechanisms are cumbersome and lack ergonomic design
Solution Approach 1:
Instead of using an external step lever mechanism that requires lateral or upward motion, the patent inverts the approach by using a downward pushing motion on the grip body casing to activate the spin mechanism. This inversion aligns with natural ergonomic movements and improves ease of operation while maintaining water removal efficiency.
Solution Approach 2:
The patent transitions from external lateral lever mechanisms to an internal axial screw drive mechanism. By moving the activation direction from horizontal/vertical lever motion to axial reciprocating motion along the mop handle, the design achieves better ergonomics while maintaining productivity through efficient water removal.
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
The screw drive mechanism enables efficient water removal with reduced user effort, improving ergonomics and usability by allowing the mop head to spin when pushed down and disengage when pulled up, enhancing cleaning efficiency.
Implementation Method 1
A screw drive mechanism to translate reciprocating linear motion into rotation of the mop head for wringing out water force.
Implementation Method 2
A helical tooth is formed on an external surface of the first clutch member. The helical tooth is configured to engage with the threaded panel threads to impart a rotational motion to the first clutch member when the first clutch member translates up or down inside the threaded panel assembly.
Data Source
AI summary
A spin mop includes a grip body casing. The grip body casing is an elongated member and hollow with an inside surface. The inside surface has a threaded panel assembly. The threaded panel assembly is formed in elongated shape and has threaded panel threads alternating with threaded panel fillets. A clutch shaft extends into the grip body casing. The clutch shaft is telescopically mounted to the grip body casing. A clutch assembly is formed on the clutch shaft. The clutch assembly extends into the grip body casing. The clutch assembly further includes a first clutch member and a second clutch member. The first clutch member is rotably mounted to the clutch shaft. The second clutch member is fixed to the clutch shaft. A helical tooth is formed on an external surface of the first clutch member.