Sprinkler Head Serviceability Apparatus Debris Protection
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Solution Overview
Problem
Existing in-ground sprinkler head protection systems fail to effectively prevent debris from entering the sprinkler head cavity, leading to inhibited serviceability and potential contamination of the piping system.
Innovation Solution
A sprinkler head serviceability apparatus with a single-walled receiving cavity, a flexible seal, and a downward sloping debris clearance ring, coupled to the sprinkler head pipe, which prevents debris from entering the cavity and includes an adjustable height feature for enhanced manufacturability and protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a traditional sprinkler head guard with flat top is used, then the sprinkler head is protected from debris, but dirt collects in the upper section and falls into the cavity during removal
Solution Approach 1:
The guard incorporates a downward sloping curved surface that directs debris away from the sprinkler head cavity. This curved geometry prevents dirt accumulation by guiding it toward drainage openings, eliminating the contamination problem associated with flat-topped guards while maintaining protective coverage.
Solution Approach 2:
The invention extracts the harmful function of the flat top surface that causes dirt accumulation and replaces it with a sloping drainage surface. By removing the problematic flat geometry and incorporating drainage openings, the design eliminates the source of contamination while preserving the protective enclosure.
2Strength
If an inner and outer wall structure is used, then load distribution is improved, but the device complexity increases due to separate cover section
Solution Approach 1:
The invention merges the inner and outer wall structures into a single integrated body formed by one continuous piece of molded material. This unified structure maintains the load-distributing geometry of dual walls while eliminating the need for separate cover sections and complex assembly, thereby reducing manufacturing complexity.
Solution Approach 2:
The single molded body performs multiple functions simultaneously: it provides structural strength for load distribution, creates the protective enclosure, and incorporates drainage features. This multi-functional design eliminates the need for separate components while achieving the same structural performance.
3Ease of manufacture
If a fixed height guard is used, then manufacturing is simplified, but adaptability to different sprinkler head heights is reduced
Solution Approach 1:
The invention introduces an adjustable height mechanism that allows the guard to be configured for different sprinkler head heights. This dynamic adjustment capability, achieved through telescoping sections or adjustable support structures, maintains manufacturing simplicity while providing versatility for various installation requirements.
4Ease of operation
If the sprinkler head is exposed without a guard, then serviceability is improved, but debris and growth encroach into the cavity
Solution Approach 1:
The guard acts as an intermediary structure that provides a protective barrier between the sprinkler head cavity and the surrounding environment. It allows service personnel to access and service the sprinkler head easily while simultaneously blocking debris, dirt, and growth from encroaching into the cavity during normal operation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution ensures the sprinkler head remains debris-free, maintains system functionality, and facilitates easy replacement and maintenance by preventing debris from contaminating the piping, while allowing for adjustable height and improved manufacturability.
Implementation Method 1
seals against the underside of a sprinkler head
Implementation Method 2
downward sloping debris clearance ring
Data Source
AI summary
An in-ground sprinkler serviceability apparatus that provides a debris free environment for ease of replacement of an in-ground sprinkler head. The sprinkler serviceability apparatus couples to the threads of a sprinkler pipe, expands to provide a sprinkler head receiving section, a seal against the underside of the sprinkler head, and a tapered upper surface. Any debris would be washed away from the sprinkler head serviceability apparatus tapered upper surface when the sprinklers are on, rain, etc. The seal would ensure against any debris falling into the sprinkler head receiving section. Weep holes can optionally be incorporated into the sides or base of the apparatus. The top can be a single section, fabricated in two sections, or be designed to receive a common clay sprinkler donut.