Automatically moving floor processing device with an adjusting lever
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Solution Overview
Problem
Existing automatically moving floor cleaning devices face challenges in overcoming obstacles, particularly at low speeds, due to insufficient contact surface area and force transmission between the adjusting lever and the obstacle.
Innovation Solution
The contact area of the adjusting lever is made pivotable relative to its base body, allowing for variable angle and size adjustment, combined with a spring element and deformable cushion elements to increase the contact surface and tensile force, enhancing the device's ability to climb over obstacles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the contact area is made fixed on the adjusting lever, then the structure is simple, but the contact surface area with the obstacle is limited and climbing ability is insufficient
Solution Approach 1:
The contact area is made pivotable relative to the base body of the adjusting lever, allowing it to dynamically adjust its angle and position. This dynamic configuration enables the contact area to optimize its contact surface with the obstacle during climbing, transforming from a fixed structure to an adaptive one that improves climbing ability without requiring complex additional mechanisms
Solution Approach 2:
The adjusting lever is divided into separate components: a base body and a contact area that can pivot relative to each other. This segmentation allows the contact area to independently adjust its orientation and maximize contact surface area with the obstacle, while the base body remains structurally simple and easy to manufacture
2Force
If the contact area is made pivotable with spring element, then the contact surface and tensile force are increased, but the device complexity increases
Solution Approach 1:
A spring element is introduced between the contact area and base body to provide adjustable preloading force. This allows the tensile force and contact pressure to be optimized for different obstacle conditions. The spring element enables force parameter adjustment without requiring complex actuation mechanisms, maintaining relative simplicity while improving climbing performance
Solution Approach 2:
The spring element automatically adjusts the contact force between the contact area and the obstacle during operation. As the adjusting lever encounters an obstacle, the spring element provides continuous adaptive force, eliminating the need for external force control systems and reducing overall device complexity while maintaining optimal tensile force
3Force
If the contact area uses soft material, then the friction with obstacle is increased, but the contact surface area is reduced
Solution Approach 1:
The contact area is designed to pivot and deform dynamically under load. When encountering an obstacle, the contact area can pivot to increase surface contact and the soft material deforms to conform to the obstacle surface, simultaneously maximizing both contact surface area and friction force through adaptive behavior rather than static design
Solution Approach 2:
The contact area combines soft friction-enhancing material with a pivotable mechanical structure. This composite approach allows the soft material to provide high friction coefficient while the pivotable mechanism ensures large contact surface area by adjusting the angle and position, achieving both benefits together rather than having to choose one over the other
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
This configuration increases the device's ability to overcome obstacles by optimizing contact pressure and force transmission, improving its climbing ability, especially at low speeds.
Implementation Method 1
the adjusting lever have a spring element between the contact area and base body that provides a spring force
Implementation Method 2
a contact area of the adjusting lever have a slip-resistant configuration to frictionally or non-positively interact with the obstacle
Data Source
AI summary
An automatically moving floor processing device has a housing and an adjusting lever that can be displaced relative to the housing for overcoming an obstacle, wherein the adjusting lever has a base body and a contact area for contacting the obstacle to be overcome, and wherein the adjusting lever is mounted so that it can eccentrically swivel on a wheel of the floor processing device on the one hand and on the housing on the other. In order to further optimize the process of overcoming obstacles, the contact area can be displaceable relative to the base body of the adjusting lever, specifically pivotably mounted on an axis of the base body.