Modular Guide Hose System for Drain Cleaning Tools
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Solution Overview
Problem
Existing plumbing tools with guide hoses lack flexibility, as they are limited by fixed lengths, which can lead to increased friction and operator strain, and do not adapt well to varying job site requirements.
Innovation Solution
A modular guide hose system that allows for the selective advancement and retraction of a drain cleaning cable, featuring a rotatable drum and flexible guide hoses that can be customized in length by coupling multiple hose sections, enabling optimal configuration for specific applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed-length guide hose is used, then the device structure is simple, but the adaptability to different job site requirements deteriorates
Solution Approach 1:
The guide hose is divided into multiple modular sections that can be selectively coupled together. Each section has coupling mechanisms at its ends, allowing users to assemble the appropriate length by connecting one or more sections together, thereby adapting to different job site requirements while maintaining a relatively simple overall structure.
Solution Approach 2:
The guide hose system transitions from a static fixed-length design to a dynamic configurable length system. Users can adjust the total length by adding or removing sections based on the specific application, making the device adaptable to varying conditions without permanently increasing structural complexity.
2Ease of operation
If a fixed-length guide hose is used, then the device is simple to operate, but the friction and operator strain increase due to non-optimal hose length
Solution Approach 1:
By segmenting the guide hose into adjustable sections, operators can configure the hose length to match the specific job requirements. This optimization reduces unnecessary friction caused by excessive length or insufficient length, thereby reducing operator strain and improving ease of operation.
Solution Approach 2:
The system allows operators to change the length parameter of the guide hose by coupling or decoupling sections. This parameter adjustment enables optimization of the hose length for each specific application, reducing friction and operator effort while maintaining simple operation through intuitive coupling mechanisms.
3Adaptability or versatility
If a longer guide hose is used to reach distant drain locations, then the adaptability improves, but the friction and operator strain increase
Solution Approach 1:
The modular section design allows operators to use the minimum necessary length to reach distant drain locations by coupling only the required number of sections. This avoids the excessive friction and operator strain that would result from using a permanently long fixed-length hose, while still providing the adaptability to reach distant locations when needed.
Data Source
AI summary
A drain cleaning system is described that includes a drain cleaning device with a flexible drain cleaning cable, and two or more sections of guide hoses that can be attached to one another and/or to the device. Also described are systems that include provisions for advancing or retracting the drain cleaning cable and which can also be coupled to one or more of the guide hoses.