Kitchen Faucet Spout Pivoting Limit via Union Nut
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Solution Overview
Problem
Existing kitchen faucets in catering kitchens face challenges in limiting the pivoting range of their spouts to prevent water from reaching hot cooking areas, as current solutions are complex and cost-intensive, especially when retrofitting is required.
Innovation Solution
A kitchen faucet design that utilizes a limiting ring and union nut to restrict the spout's pivoting range, allowing for adjustable and secure limitation through stop bodies and locking mechanisms, enabling easy assembly and retrofitting of existing faucets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a complex custom-made product is used to limit the pivoting range, then the pivoting range can be limited, but the device complexity and cost increase
Solution Approach 1:
The patent combines the limiting ring with the union nut assembly, integrating the pivoting limitation function into the existing fastening mechanism. The limiting ring is pushed onto the spout and cooperates with the union nut to limit the swivel range, eliminating the need for separate complex limiting mechanisms.
Solution Approach 2:
The union nut serves dual functions: it fastens the spout to the faucet body and, in combination with the limiting ring, limits the pivoting range. This multi-functional design simplifies the overall structure by using existing components for multiple purposes rather than adding dedicated limiting mechanisms.
2Object-affected harmful factors
If a custom-made product is used to limit the pivoting range, then the pivoting range can be limited, but the manufacturing cost increases
Solution Approach 1:
The limiting function is merged with standard components (union nut and limiting ring) rather than requiring custom-made assemblies. This allows for simpler manufacturing processes and lower costs while achieving the same safety function.
Solution Approach 2:
The limiting ring is designed as a simple, inexpensive component that can be easily manufactured and installed. It works cooperatively with the union nut to provide pivoting limitation without requiring expensive custom-made solutions.
3Object-affected harmful factors
If stop pieces are arranged inside the spout and fitting housing, then the pivoting range can be limited, but the device complexity increases
Solution Approach 1:
The patent merges the limiting function with the external union nut assembly rather than placing stop pieces inside the spout and housing. The limiting ring and union nut work together externally to limit pivoting, simplifying the internal structure of the spout and housing.
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
A kitchen tap with a tap body (1) and a spout (4) which is pivotably attached to the tap body (1) by means of a union nut (10), wherein a limiting ring (11) is pushed onto the spout (4), which can be fixed to the spout (4) in a rotationally fixed manner and which interacts with the union nut (10) to limit a pivoting range of the spout (4) relative to the tap body (1).