Swivel Hose Coupling for Twist-Free Nozzle Rotation
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Solution Overview
Problem
Existing solutions for connecting a watering nozzle to a garden hose often require additional quick connect systems, leading to user discomfort and increased effort due to hose twisting during nozzle rotation.
Innovation Solution
A swivel coupling mechanism with a garden hose thread, a hose seal seat, and an insert shank that allows independent rotation of the nozzle relative to the hose, preventing hose twisting and using standard garden hose threads for secure connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a quick connect system is used to connect the nozzle to the hose, then the connection can be quickly made and disconnected, but the hose twists during nozzle rotation causing user discomfort and increased effort
Solution Approach 1:
The coupling system is divided into two independent rotatable sections: the swivel coupling body that connects to the hose, and the insert shank that connects to the nozzle. This segmentation allows each section to rotate independently, enabling the nozzle to change direction without twisting the hose, thus resolving the harmful effect of hose twisting while maintaining ease of operation
Solution Approach 2:
The patent introduces dynamic rotatable joints with sealing mechanisms that allow continuous rotation during use. The swivel coupling and insert shank can rotate relative to each other, providing dynamic adaptability that eliminates hose twisting while maintaining a secure, leak-free connection throughout the rotation process
2Adaptability or versatility
If multiple quick connect systems are used to enable rotation, then nozzle rotation is possible, but the device complexity increases
Solution Approach 1:
The patent merges the rotation mechanism and connection function into a single integrated swivel coupling assembly. The swivel coupling body with garden hose thread, the insert shank with engagement features, and the sealing mechanisms are combined into one unified structure that provides both rotation capability and secure connection, eliminating the need for multiple separate quick connect systems
Solution Approach 2:
The swivel coupling assembly serves multiple functions simultaneously: it provides a secure threaded connection to the garden hose, enables 360-degree rotation of the nozzle, maintains a leak-free seal during rotation, and allows easy attachment and detachment. This multi-functionality in a single device achieves adaptability without increasing overall system complexity
3Strength
If a rigid connection is used between the nozzle and hose, then the connection is secure, but the nozzle cannot rotate independently without twisting the hose
Solution Approach 1:
The patent replaces the rigid fixed connection with a dynamic swivel mechanism that maintains structural integrity while enabling rotation. The swivel coupling body and insert shank are connected through rotatable joints with sealing features, creating a strong yet flexible connection that allows the nozzle to rotate independently without compromising connection security or causing hose twisting
Data Source
AI summary
A watering nozzle including a handle configured to be grasped by a user, an inlet connector including a flange rigidly coupled to the handle, and an inlet engagement feature, a swivel coupling including a garden hose thread and a swivel shoulder adjacent a swivel opening arranged concentrically about a central axis, the swivel coupling rotatable relative to the handle about the central axis, and an insert shank including a swivel seal in sealed contact with the swivel coupling, a first shank shoulder in contact with the swivel shoulder, and a shank engagement feature in rigid engagement with the inlet engagement feature.