Sprinkler Head Replacement Assembly with Twist-Lock Housing
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Solution Overview
Problem
The existing underground sprinkler systems require costly and time-consuming excavation for periodic sprinkler head replacement, which is inefficient and labor-intensive.
Innovation Solution
An underground sprinkler head access housing with a base, spacers, and support arms that allow for easy access and removal of pop-up sprinkler heads without excavation, featuring a flange, access holes, and a twist-lock mechanism for secure installation and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional underground sprinkler systems are used, then sprinkler heads can be installed underground to provide coverage, but periodic replacement requires costly and time-consuming excavation
Solution Approach 1:
The sprinkler system is divided into separate components: a permanent underground housing/base and a removable sprinkler head assembly. The housing contains threaded bores that accept standard sprinkler heads, allowing them to be unscrewed and replaced without disturbing the underground infrastructure. This segmentation enables quick head replacement while leaving the main system intact.
Solution Approach 2:
The sprinkler head is extracted as a separate, removable component from the underground system. By providing threaded access points in the housing, the sprinkler head can be completely removed and replaced with a new one without excavating the surrounding area. This extraction principle separates the replaceable component (head) from the permanent infrastructure (housing).
2Ease of manufacture
If traditional underground sprinkler systems are used, then sprinkler heads can be installed underground, but labor costs increase when contracting replacement work
Solution Approach 1:
The housing design incorporates universal threaded bores that accept standard sprinkler head threads, making the system compatible with commonly available sprinkler heads. This universality allows homeowners to perform maintenance themselves using standard components, reducing the need for specialized contractors and lowering labor costs.
Solution Approach 2:
The threaded bore housing acts as an intermediary component that connects the underground piping to the removable sprinkler head. This intermediate structure provides a standardized interface (threaded connection) that simplifies the replacement process and reduces dependency on expensive professional installation services.
Data Source
AI summary
An assembly for replacing sprinkler heads includes a sprinkler head housing assembly with a cap, a sprinkler head, a sprinkler head support assembly core, a plurality of spacers, and a base. The sprinkler head housing assembly enables replacement of a damaged inground sprinkler head.


