Adjustable Plumbing Box Backplate for Precise Fixture Alignment

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Solution Overview

Problem

Existing plumbing fixtures, particularly mixing valves, are often poorly mounted to framing, requiring irregular and labor-intensive installations due to poor material choice and improper placement, leading to inefficiencies and reliability issues.

Innovation Solution

A plumbing box with an adjustable backplate and frame system, featuring adjustable screws and a backplate that can be rotated to desired positions, allowing for precise mounting and leveling of fixtures without complex calculations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional mounting methods are used with wood planks or boards, then the mixing valve can be mounted to the framing, but the installation becomes irregular and work-intensive requiring skilled compensation and measurements

Engineering Contradiction:
Improvemounting reliabilityVSAvoidinstallation complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The mounting system is divided into separate components: a pre-installed frame attached to the wall, and an adjustable backplate that connects to the fixture. This segmentation allows the frame to provide structural support while the backplate handles positioning adjustments, simplifying the overall installation process.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The backplate incorporates adjustable screws that allow dynamic repositioning after installation. The screws enable the backplate to be moved to different positions and depths, transforming a static mounting system into a dynamic one that can be fine-tuned for proper alignment and levelness.

Inventive Principle:
Principle #15Dynamics

2Reliability

If traditional mounting methods are used with wood planks, then the mixing valve can be supported, but the materials perform poorly in water or wet environments

Engineering Contradiction:
Improvematerial durabilityVSAvoidwater damage susceptibility
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The mounting system uses a composite construction combining metal frame components with corrosion-resistant materials. The frame provides structural integrity while being resistant to water damage, replacing the traditional wood plank approach that deteriorates in wet environments.

Inventive Principle:
Principle #40Composite materials

3Ease of operation

If fixed mounting positions are used, then the installation process is simplified, but the plumbing fixture cannot be adjusted to desired positions or depths

Engineering Contradiction:
ImproveadjustabilityVSAvoidinstallation time
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The frame is pre-installed on the wall during the initial construction phase, establishing a stable foundation. This preliminary action allows the backplate and fixture to be easily adjusted later without requiring modifications to the structural mounting points.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The adjustable screws on the backplate enable dynamic repositioning capability. The fixture can be moved to different depths and positions by simply turning the screws, providing flexibility without adding significant installation time.

Inventive Principle:
Principle #15Dynamics

4Manufacturing precision

If custom fits are created through measurements and calculations, then proper depth positioning can be achieved, but the installation becomes irregular and work-intensive

Engineering Contradiction:
Improvepositioning precisionVSAvoidinstallation efficiency
Core Design Contradiction:
Manufacturing precisionVSProductivity

Solution Approach 1:

The adjustable backplate system is self-adjusting, allowing the installer to achieve proper positioning through simple screw adjustments rather than complex measurements and calculations. The system serves itself by providing built-in adjustment mechanisms that eliminate the need for skilled compensation.

Inventive Principle:
Principle #25Self-service

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

Enables efficient, reliable, and aesthetically pleasing installation of plumbing fixtures by allowing for easy adjustment and alignment with plasterboard, reducing installation complexity and improving durability in wet environments.

Implementation Method 1

A backplate mounts on the adjustment screws by threaded bores so rotation of any of the adjustment screws moves the backplate to a desired position within the frame

Methodology Applied
Scientific EffectThreaded engagement: Screw

Data Source

PatentUS20260028803A1Plumbing box with adjustable backplate
Publication Date: 2026.01.29 WATTS REGULATOR CO
  • US20260028803A1 patent drawing
  • US20260028803A1 patent drawing
  • US20260028803A1 patent drawing

AI summary

A plumbing box for mounting a plumbing device having a front plate defining a central opening and screw holes. A frame extends from the front plate and has a rear support that defines three anchor holes aligned with the screw holes. Adjustment screws extend between each of the screw holes and the anchor holes so that each of the adjustment screws can freely rotate. A backplate mounts on the adjustment screws by threaded bores so rotation of any of the adjustment screws moves the backplate to a desired position within the frame.