Rotatable Faucet Outlet Structure Preventing Inner Tube Twist
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Solution Overview
Problem
Conventional gooseneck faucets experience limited rotating angle and increased water pressure due to twisting of the inner tube, leading to potential leaking issues when the outer tube is overly rotated, restricting water flow and causing operational inefficiencies.
Innovation Solution
A faucet design featuring a tubular connecting structure with a first and second insertion, where the inner tube is securely sleeved on the second insertion, and a coupling mechanism prevents angular displacement between the outer and inner tubes, ensuring smooth rotation and preventing twisting, allowing for a wider range of motion without pressure buildup.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the outer tube is rotated to increase the rotating angle, then the operational flexibility is improved, but the inner tube becomes twisted causing water pressure increase and potential leaking
Solution Approach 1:
The connecting structure is divided into a first insertion and a second insertion, allowing the inner tube to be securely attached to one portion while the outer tube rotates independently around it. This segmentation enables the outer tube to rotate without twisting the inner tube, resolving the contradiction between rotating angle and leaking prevention.
2Adaptability or versatility
If the outer tube is overly rotated, then the water flow path changes, but the caliber of the inner tube decreases causing difficulty in water flow
Solution Approach 1:
By dividing the connecting structure into first and second insertions with the inner tube securely attached to one, the design allows the outer tube to rotate without constricting the inner tube's caliber. This maintains water flow efficiency while enabling water flow path control through rotation.
3Reliability
If the inner tube is securely attached to prevent rotation, then the water flow stability is improved, but the outer tube cannot rotate freely
Solution Approach 1:
The inner tube is nested within the outer tube, with the first insertion securely attached to the inner tube and the second insertion allowing rotation. This nested configuration enables the inner tube to remain stable for water flow while the outer tube rotates freely around it.
4Reliability
If the coupling structure is rigid to prevent relative rotation, then the twisting is prevented, but the device complexity increases
Solution Approach 1:
The coupling structure is segmented into a first coupling between the first insertion and second insertion, and a second coupling on the outer tube engaged to the first coupling. This simple segmented design prevents twisting by maintaining proper alignment while avoiding complex mechanisms.
Data Source
AI summary
A faucet with a rotatable outlet structure includes a main body, a valve assembly disposed in the main body, a connecting structure rotatably received in the main body, an outlet structure rotatably mounted onto the main body and a control lever connected to the valve assembly, wherein the outlet structure includes an outer tube and an inner tube received in the outer tube. The outer tube is engaged to the connecting structure and the inner tube is securely sleeved on the connecting structure. Consequently, the inner tube is rotated with the outer tube when the outer tube is rotated relative to the main body such that inner tube does not need to be twisted when the outer tube is rotated relative to the main body.