Wall mounting device for distribution cabinets

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Solution Overview

Problem

Distribution cabinets face challenges when mounted on uneven walls, as existing methods often result in deformation or distortion of the rear panel, and users lack effective solutions to compensate for wall unevenness.

Innovation Solution

A device featuring a compensation screw with a threaded shaft, integrated into the base body, allows for adjustable positioning of the rear panel relative to the wall, using a torque-proof connection and a mating thread, enabling levelling and secure mounting without deforming the cabinet.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If mounting screws are used to fix the distribution cabinet to the wall, then the cabinet is securely mounted, but the rear panel and cabinet may be deformed or distorted when the wall is uneven

Engineering Contradiction:
Improvemounting securityVSAvoidrear panel deformation
Core Design Contradiction:
StrengthVSShape

Solution Approach 1:

The patent introduces a base body as an intermediary component between the mounting screw and the rear panel. This base body includes a compensation mechanism that can independently adjust to wall unevenness, preventing the deformation force from being transmitted to the rear panel while still allowing the mounting screw to securely fix the cabinet to the wall.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent employs a compensation screw that can be turned to change the distance between the rear panel and the wall, effectively adjusting for wall unevenness. By changing this parameter (the gap distance), the system maintains rear panel flatness while achieving secure mounting on uneven surfaces.

Inventive Principle:
Principle #35Parameter changes

2Ease of operation

If users try to compensate for uneven walls with homemade solutions, then adjustment is attempted, but the positioning accuracy and levelling are insufficient

Engineering Contradiction:
Improveadjustment capabilityVSAvoidpositioning accuracy
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The patent transforms the static mounting system into a dynamic adjustable system by incorporating a compensation screw that can be turned to precisely adjust the position and levelling of the distribution cabinet. This allows users to easily compensate for wall unevenness while achieving accurate positioning and levelling that homemade solutions cannot provide.

Inventive Principle:
Principle #15Dynamics

3Measurement precision

If multiple mounting components are added to enable adjustment on uneven walls, then positioning accuracy improves, but the device complexity increases

Engineering Contradiction:
Improvepositioning accuracyVSAvoidmounting device complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent combines the mounting function and the compensation function into a single integrated base body structure. The base body houses both the mounting screw for secure attachment and the compensation screw for adjustment, merging multiple functions into one component and avoiding the need for separate adjustment mechanisms that would increase complexity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The base body serves multiple functions: it provides structural support, enables secure mounting via the mounting screw, allows for precise adjustment via the compensation screw, and maintains rear panel flatness. This multi-functionality achieves accurate positioning without requiring multiple separate components.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 accurate and easy adjustment of the distribution cabinet's position on or in front of a wall, allowing for levelling even on uneven surfaces, and simplifies the installation process by using existing mounting screws, ensuring secure and level mounting without additional hole drilling.

Implementation Method 1

the compensation screw is connected with a threaded shaft in a torque proof manner, wherein the threaded shaft is received in a mating thread, which is connected with the base body

Methodology Applied
Scientific EffectThreaded connection: Screw

Implementation Method 2

the compensation screw is received in the base body and is configured to be turned relatively to the base body to create a gap or distance between a rear panel of the distribution cabinet and the wall

Methodology Applied
Scientific EffectMechanical displacement: Displacement

Implementation Method 3

The base body has a slot without a mating thread to receive the mounting screw. Through this, the mounting screw can mate with a thread in the wall or with a dowel in the wall and can draw and/ or press the rear panel against the wall.

Methodology Applied
Scientific EffectThreaded fastening: Screw

Data Source

PatentEP3654467B1Wall mounting device for distribution cabinets
Publication Date: 2022.05.11 ABB (SCHWEIZ) AG
  • EP3654467B1 patent drawingFigure 1
  • EP3654467B1 patent drawingFigure 2
  • EP3654467B1 patent drawingFigure 3

AI summary

A device (1, 1') to mount a distribution cabinet (2) to a wall (3), comprising at least one mounting screw (4), which is received in a base body (5) and may be turned relatively to the base body (5), characterized in that the base body (5) also comprises a compensation screw (6), which is received in the base body (5) and may be turned relatively to the base body (5) to create a gap or distance (13) between a rear panel (7) of the distribution cabinet (2) and the wall (3), achieves the object, to develop a distribution cabinet, whose position on and/ or before a wall may be adjusted easily and accurately defined.