Concealed Hinge Adjustment for Armored Door Alignment

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Concealed hinging devices for armored doors are often complex, expensive, and unsuitable for supporting heavy closing elements, and they face challenges in correct positioning during assembly and use.

Innovation Solution

A concealed hinging device with adjustable hinging elements, featuring sliding and axial adjustment mechanisms, allowing easy installation and position adjustment of the hinge pin in multiple directions, comprising a containing box on a support element with guide pegs and stop elements, and a threaded bar and cylindrical bar for precise axial displacement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If concealed hinging devices are designed to support heavy armored doors, then the load-bearing capacity is improved, but the device complexity increases

Engineering Contradiction:

Improveload-bearing capacityVSAvoiddevice complexity

Core Design Contradiction:

StrengthVSDevice complexity

Solution Approach 1:

The hinging device is divided into separate functional components: a support element fixed to the frame, a containing box mounted on the closing element, and adjustment mechanisms. This segmentation allows each component to be optimized independently for strength while maintaining overall simplicity through modular assembly.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The device incorporates adjustable elements including a threaded bar for positioning the containing box and a cylindrical bar with worm screw for adjusting the hinging element angle. These dynamic adjustment capabilities allow the device to adapt to different installation requirements while maintaining robust load-bearing capacity.

Inventive Principle:

Principle #15Dynamics

2Manufacturing precision

If concealed hinging devices use complex adjustment mechanisms for precise positioning, then the positioning accuracy is improved, but the ease of manufacture deteriorates

Engineering Contradiction:

Improvepositioning accuracyVSAvoidease of manufacture

Core Design Contradiction:

Manufacturing precisionVSEase of manufacture

Solution Approach 1:

The adjustment mechanism replaces complex mechanical positioning systems with simpler threaded and cylindrical bar mechanisms. The threaded bar provides linear adjustment through screw threads, while the cylindrical bar with worm screw provides angular adjustment, both achieving precise positioning through fundamental mechanical principles that are easy to manufacture.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The device allows adjustment of key parameters including the position of the containing box along the hinging axis (via threaded bar) and the angular position of the hinging element (via cylindrical bar). By enabling parameter adjustment through simple mechanisms, the device achieves positioning accuracy without requiring complex manufacturing.

Inventive Principle:

Principle #35Parameter changes

3Ease of operation

If concealed hinging devices are designed for easy installation and adjustment, then the ease of operation is improved, but the reliability may deteriorate

Engineering Contradiction:

Improveease of installationVSAvoidreliability

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The adjustment mechanisms are designed to be operated from the outside of the closing element through adjustment holes, allowing users to perform positioning and alignment adjustments without disassembling the device or requiring special tools. This self-service capability improves ease of operation while maintaining reliability through straightforward mechanical adjustments.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The device allows preliminary adjustment of the containing box position and hinging element angle during installation before final securing. This preliminary action enables proper alignment to be achieved easily during installation, ensuring reliable operation from the outset without compromising future reliability.

Inventive Principle:

Principle #10Preliminary action

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 provides a robust, simple, and reliable hinging device that facilitates easy installation and adjustment of armored doors, ensuring proper alignment and supporting heavy loads effectively.

Implementation Method 1

first adjustment means (38) configured to selectively adjust the position of the hinging element (21) in a sliding direction, substantially perpendicular to the hinging axis

Methodology Applied

Scientific EffectScrew mechanism: Screw

Implementation Method 2

second adjustment means (43, 45, 46) configured to selectively adjust the axial position of the hinging element (21) along the hinging axis

Methodology Applied

Scientific EffectWorm drive: Worm Drive

Data Source

PatentEP3643861B1Concealed hinging device for closing elements, in paricular armored doors

Publication Date: 2023.11.15 BAUXT

Figure 1~2
Figure 3
Figure 4~5

AI summary

A concealed hinging device (12, 13) to hinge a closing element (10), in particular an armored door, with respect to a fixed element (11). Said hinging device comprises a hinging element (21) configured to be disposed coaxially to a hinging axis (X) and mounted on a support mean (22) configured to be disposed in a compartment (25, 49) made in the closing element (10). The concealed hinging device (12, 13) also comprises first adjustment means to selectively adjust the position of the hinging element (21) in a sliding direction, perpendicular to the hinging axis (X), and second adjustment means to selectively adjust the axial position of the hinging element (21) along the hinging axis (X).