Upright Vacuum Anti-Rotation Locking for Stable Storage
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Solution Overview
Problem
Upright vacuum cleaners lack a stable storage position mechanism, leading to potential instability and accidental rotation when stored, which can result in damage or safety hazards if not properly secured.
Innovation Solution
An anti-rotation locking mechanism that automatically engages when the upper section is moved into storage position, ensuring stability and preventing unwanted rotation, combined with an alignment mechanism to guide the upper section into a secure orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the upper section is made rotatable relative to the surface cleaning head, then the ease of operation is improved, but the stability of the object's composition deteriorates
Solution Approach 1:
The connection arrangement provides dynamic adaptability by allowing the upper section to be rotatable during operation for ease of maneuvering, while automatically locking into a stable fixed position during storage. The rotation element with circumferential groove and ring segment elements creates a mechanism that transitions between movable and fixed states based on operational requirements.
Solution Approach 2:
The anti-rotation locking mechanism operates automatically without user intervention. When the upper section is placed in the storage position, the geometry of the rotation element and ring segment elements causes the locking mechanism to engage automatically, preventing rotation and ensuring stability without requiring the user to manually activate a lock.
2Stability of the object's composition
If an anti-rotation locking mechanism is added to secure the upper section, then the stability of the object's composition is improved, but the device complexity increases
Solution Approach 1:
The locking mechanism is merged with the rotational connection structure itself. The ring segment elements are received within the circumferential groove of the rotation element, combining the rotational joint function with the locking function in a single integrated arrangement rather than adding a separate locking mechanism.
Solution Approach 2:
The rotation element serves multiple functions: it enables rotation of the upper section during operation, provides a circumferential groove that receives locking elements, and works with the ring segment elements to automatically lock the assembly in the storage position. This multi-functionality reduces the need for additional separate components.
3Ease of operation
If the locking mechanism is made automatic, then the ease of operation is improved, but the reliability deteriorates due to potential misalignment
Solution Approach 1:
The rotation element features an asymmetric circumferential groove with specific geometric characteristics that guide the ring segment elements into proper alignment during rotation. The asymmetric geometry ensures that as the upper section rotates into the storage position, the locking elements naturally align and engage at the correct orientation, preventing misalignment issues.
Data Source
AI summary
An upright surface cleaning apparatus comprises an anti-rotation locking mechanism that is automatically operably engaged when the upper section is moved into the storage position and is automatically operably disengaged when the upper section is moved into the floor cleaning position. In another embodiment, an upright surface cleaning apparatus comprises an anti-rotation locking mechanism that is engaged when the upper section is moved into the storage position and an alignment mechanism.