Tap Mounting Device Axial Adjustment Plate

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Solution Overview

Problem

Existing mounting devices for taps on partitions, such as those disclosed in EP-A-2 280 123 and EP-A-0 733 745, lack the ability to adjust the length of the endpiece protrusion relative to the plate, leading to potential clearance issues and inability to adapt to varying wall thicknesses, and often lack secure fixation means for the nut.

Innovation Solution

A device with a threaded endpiece that can be axially moved within an opening, featuring self-tapping screws to fix the nut to the plate, allowing adjustable protrusion length and secure axial immobilization, and optionally including lock nuts, counter-nuts, and assembly tools for precise adjustment and protection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the endpiece position is fixed by lateral slots in the plate, then the connector is immobilized in rotation, but the protrusion length cannot be adjusted to match different wall thicknesses

Engineering Contradiction:

Improveadaptability to different wall thicknessesVSAvoidcomplexity of adjustment mechanism

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The endpiece is made movable axially within the opening of the plate, allowing dynamic adjustment of the protrusion length. The opening has a polygonal shape that permits axial movement while preventing rotation, and the nut can be positioned at different locations along the threaded endpiece to achieve different final positions after tightening.

Inventive Principle:

Principle #15Dynamics

2Reliability

If the nut is not fixed to the plate, then the device is simpler, but the endpiece cannot be securely immobilized axially after adjustment

Engineering Contradiction:

Improvesecure axial immobilizationVSAvoidcomplexity of fixation means

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The fixation function is segmented into two independent actions: (1) the polygonal opening constrains rotation of the endpiece, and (2) the nut, when tightened against the plate, constrains axial movement. This segmentation allows each constraint to be applied separately and independently.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The adjustment of the endpiece position is performed before final tightening of the nut. The installer can move the endpiece axially to the desired position while it is loose, then tighten the nut to lock it in place. This preliminary adjustment ensures the correct position is achieved before final fixation.

Inventive Principle:

Principle #10Preliminary action

3Length of moving object

If lateral slots are used to immobilize the connector, then rotation is prevented, but the protrusion length is defined and cannot be adjusted

Engineering Contradiction:

Improveprotrusion length of endpieceVSAvoidease of adjustment

Core Design Contradiction:

Length of moving objectVSEase of operation

Solution Approach 1:

Inventive Principle:

Principle #15Dynamics

Data Source

PatentEP3115517B1Device for the assembly of a tap and method for the assembly of such a device

Publication Date: 2020.07.29 HESPERIA DEVEMENT

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AI summary

This device (D) allows a tap to be mounted on a partition wall. It comprises at least one fitting (4a, 4b), including a threaded fitting (40) for connecting to the tap, a plate (2) for fixing each fitting to the partition wall, this plate defining at least one opening (20) shaped to prevent the fitting from rotating about its axis (X40), and at least one nut (5) intended to be screwed around the fitting. The fitting (40) can be moved axially within the opening (20) and is suitable for being fixed axially relative to the plate by tightening the nut (5), so that the length over which the fitting protrudes axially from the plate is adjustable.