Locking Vice Clamp Mop Head Attachment Against Vibration Loosening
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Solution Overview
Problem
Conventional mops often require tools or physical force to detach the mop head, posing sanitation risks and potential accidental detachment due to vibration during use.
Innovation Solution
A locking vice clamp with two jaws and a movable arm is attached to the handle, allowing manual securement and release of the mop head without tools, featuring a rotatable knob to adjust spacing and a lever for locking, ensuring easy operation by users with limited strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional fixed attachment method is used, then the mop head remains securely attached during use, but the mop head cannot be manually removed without tools or physical force
Solution Approach 1:
The attachment system is segmented into a handle with integrated vice clamp and a separate mop head with carrier substrate. The vice clamp is divided into fixed and movable jaws that can independently position and secure the mop head, allowing for easy manual attachment and detachment while maintaining secure connection during use.
Solution Approach 2:
The vice clamp incorporates a movable jaw that can transition between open and closed positions. The movable arm allows the clamp to dynamically adjust and lock onto the mop head carrier substrate, enabling easy manual removal when opened while providing secure attachment when closed and locked during use.
2Ease of operation
If a threaded screw mechanism is used, then the mop head can be manually removed, but it may loosen due to vibration during use
Solution Approach 1:
The vice clamp is designed to automatically lock onto the mop head carrier substrate when the movable arm is closed. The mechanism self-secures through the locking feature that engages with the handle, eliminating the need for separate tightening operations and preventing loosening from vibration without requiring continuous user intervention.
Solution Approach 2:
The locking feature on the movable arm prevents the clamp from opening due to vibration before the vibration can cause loosening. The preliminary engagement of the locking mechanism counteracts the vibrational forces that would otherwise cause a threaded screw to loosen during use.
3Ease of operation
If a clamping mechanism is used, then the mop head can be manually attached, but it may open accidentally due to vibration
Solution Approach 1:
The vice clamp automatically maintains its closed position through the locking feature that engages with the handle structure. This self-locking mechanism prevents accidental opening due to vibration without requiring continuous user attention or complex additional locking components.
Solution Approach 2:
The locking feature utilizes curved or angled surfaces that provide mechanical advantage and prevent the movable arm from inadvertently opening. The geometry of the locking feature ensures that vibrational forces cannot overcome the locked position, while still allowing intentional opening by the user.
4Reliability
If a locking mechanism is added, then accidental detachment is prevented, but the device complexity increases
Solution Approach 1:
The locking feature is merged with the movable arm of the vice clamp, integrating the locking function into an existing component rather than adding a separate locking mechanism. This integration prevents accidental detachment while minimizing the increase in device complexity by utilizing the structural elements already present in the clamp design.
Data Source
AI summary
A mop includes a handle, a mop head, and a locking vice clamp attached to a bottom end of the handle. The vice clamp has two jaws to hold the mop head and a movable arm to lock the jaws in a closed position.