Side-Load Nozzle Insert for Irrigation Sprinklers
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Solution Overview
Problem
Center-pivot irrigation sprinklers face labor-intensive and time-consuming nozzle changeover and flushing processes due to exposure to unfiltered water and the need for different orifice sizes, which requires disassembly and shutdown of the machine, increasing costs and inefficiency.
Innovation Solution
A multi-functional, side-loading nozzle insert that is easily installed and removed, and rotatable between 'INSERTION', 'ON', 'OFF', 'NOZZLE FLUSH', and 'LINE FLUSH' positions, featuring a flush groove for debris removal and index tabs for secure alignment, allowing for efficient nozzle changeover and flushing without full disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional nozzle installation and flushing methods are used, then nozzle functionality is achieved, but labor intensity and time consumption increase significantly
Solution Approach 1:
The nozzle system is segmented into a removable nozzle insert that can be independently extracted from the sprinkler body. This allows the nozzle insert to be quickly removed and replaced without disassembling the entire sprinkler, significantly reducing the time and labor required for nozzle changeover operations.
Solution Approach 2:
The nozzle insert is designed with multi-functionality, serving as both a functional nozzle component and a flushing mechanism. The insert can be rotated to different positions (ON, OFF, FLUSH) to perform multiple operations, eliminating the need for separate flushing procedures and reducing overall maintenance time.
2Productivity
If sprinklers are exposed to unfiltered water, then irrigation coverage is maintained, but nozzle clogging and debris accumulation occur
Solution Approach 1:
The nozzle insert incorporates a self-flushing capability where water flow can be directed through the insert to automatically remove accumulated debris. The flush groove and rotation mechanism enable the nozzle to clean itself during operation, maintaining irrigation productivity without requiring external filtration systems.
3Adaptability or versatility
If nozzle orifice sizes are changed, then flow rate requirements are met, but disassembly and reassembly of sprinklers are required
Solution Approach 1:
The nozzle is segmented as a separate insert component that can be independently removed and replaced. Different nozzle inserts with various orifice sizes can be quickly swapped by simply extracting one insert and inserting another, eliminating the need for complex disassembly and reassembly of the entire sprinkler.
4Ease of repair
If complete sprinkler disassembly is performed for nozzle replacement, then thorough cleaning is achieved, but operational downtime increases
Solution Approach 1:
The nozzle insert is designed as a separable component that can be removed independently from the sprinkler body without complete disassembly. This segmentation enables quick nozzle replacement and cleaning operations while keeping the rest of the sprinkler assembled and ready for immediate operation.
Solution Approach 2:
The nozzle insert can be extracted from the sprinkler body for cleaning or replacement without removing other components. The flush groove and rotation mechanism allow debris to be flushed out during operation, and the insert can be taken out when needed, minimizing operational downtime while maintaining cleaning effectiveness.
Data Source
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AI summary
A sprinkler and side-loading nozzle insert assembly includes, in a preferred arrangement, a sprinkler body provided with a flow passage along a sprinkler body axis and a nozzle insert spring-loaded received in a complementary recess formed in the sprinkler body. The nozzle insert has an axis of rotation transverse to the sprinkler body axis and is rotatable from an insertion position to plural operating positions. The nozzle insert is provided with an elongated, substantially cylindrical insert body including a nozzle bore extending through the insert body on an axis transverse to the axis of rotation and alignable with the flow passage in at least two of the plural operating positions. Plural index tabs extend radially from the insert body at circumferentially-spaced locations, and are adapted to engage respective plural index notches in the sprinkler body as the insert body is rotated to the plural operating positions.