Cleaning Robot Water Tank Side Loading for Leak-Safe Maintenance
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Solution Overview
Problem
Existing autonomous cleaning robots require the bottom to be turned upside down for installing or disassembling the water tank, making the process inconvenient and prone to leakage, which can damage the robot.
Innovation Solution
A liquid container system with a buckle and groove connection that allows horizontal loading and unloading, combined with an obstacle-assisting wheel for improved obstacle crossing, and a water control filter for efficient water management, eliminating the need to invert the robot.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the water tank is connected to the bottom of the robot, then the water source is provided for mopping, but the bottom of the robot must be turned upside down to install or disassemble the water tank, making the process inconvenient and prone to leakage
Solution Approach 1:
The water tank connection method is inverted from bottom-mounted to side-mounted. The water tank is now connected to the side of the robot body through a buckle and groove connection structure, allowing installation and disassembly from the side rather than requiring the robot to be inverted. This resolves the contradiction by making the operation convenient while maintaining secure connection to prevent leakage.
Solution Approach 2:
The water tank system is segmented into removable components with standardized connection interfaces. The buckle and groove connection structure allows the water tank to be divided into separable parts that can be easily attached and detached from the robot body without requiring complete inversion, improving both ease of operation and reliability.
2Reliability
If the water tank is securely connected to prevent leakage, then the connection structure must be robust, but this may increase the device complexity
Solution Approach 1:
The complex locking mechanism is extracted and replaced with a simple buckle and groove connection structure. This extraction principle maintains connection security through the interlocking buckle-groove design while significantly reducing the overall complexity of the connection system, avoiding the need for multiple fasteners or complex locking mechanisms.
Solution Approach 2:
The buckle and groove connection structure is designed to be self-securing through its interlocking geometry. The connection automatically engages and locks when the water tank is attached to the robot body, providing reliable connection security without requiring additional complex fastening mechanisms or multiple components.
3Ease of repair
If the robot is designed for easy maintenance, then components should be easily accessible, but this may compromise the structural integrity or sealing
Solution Approach 1:
The maintenance accessibility is inverted by moving the water tank connection from the bottom to the side of the robot. This allows users to access and maintain the water tank from the side without requiring the robot to be inverted or disassembled, improving ease of repair while the buckle and groove connection maintains sealing performance through its interlocking design.
Data Source
AI summary
The present disclosure relates to an autonomous cleaning robot. The autonomous cleaning robot may include a main body (1), a cleaning assembly, a cleaning cloth and an obstacle-assisting wheel. The cleaning assembly is mounted on the main body (1). The cleaning assembly may include a first cleaning subassembly (2) removable and provided on the main body (1). The cleaning cloth is removable and provided on the first cleaning subassembly. The obstacle-assisting wheel is rotatably mounted on the cleaning assembly and protruding from the cleaning cloth.