Mounting Profile Sliding Door Mechanism With Self-Tensioned Cables
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Solution Overview
Problem
Existing sliding devices for doors in functional units are bulky, require manual installation, are prone to blockages, and suffer from inconsistent performance due to cable tension settings, necessitating frequent maintenance and adjustments.
Innovation Solution
A sliding device with a holding mechanism using retaining ropes and tensioning devices that maintain optimal cable tension, allowing for automatic operation, compact design, and easy installation, ensuring reliable movement even under stress without the need for frequent maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If a scissor mechanism is used to automatically retract or eject the mounting profile, then automatic door movement is achieved, but the mechanism occupies a relatively large amount of space
Solution Approach 1:
The patent extracts the door from the door compartment during movement, allowing it to be pulled out along the longitudinal axis rather than retracting within the compartment. This eliminates the need for a bulky scissor mechanism that would otherwise be required to fold the door compactly within the limited space of the door compartment.
Solution Approach 2:
The mounting profile moves along the longitudinal axis of the door compartment rather than within the transverse plane. This dimensional change allows the door to be pulled out in front of the functional unit, converting a space-constrained retraction problem into a linear extension problem that requires minimal internal space.
2Extent of automation
If separate drive units are used to advance the mounting profile, then automatic movement is achieved, but the drive units require considerable space and are relatively expensive
Solution Approach 1:
The drive unit is integrated directly into the mounting profile, merging the driving function with the structural component that moves the door. This eliminates the need for separate, space-consuming drive units and reduces overall system complexity and cost.
Solution Approach 2:
The mounting profile serves multiple functions: it provides the structural framework for door attachment, guides door movement, and incorporates the drive unit for automatic operation. This multi-functionality reduces the number of separate components needed, saving space and reducing cost.
3Stability of the object's composition
If metal cables are used in the holding device, then the mounting profile can be held vertically, but the device requires precise cable tension adjustment which varies by installer and requires maintenance
Solution Approach 1:
The holding device automatically maintains optimal cable tension through the elastic element and roller mechanism, eliminating the need for manual adjustment by installers. The system self-regulates tension during operation and maintains consistent performance without requiring installer skill or subsequent maintenance.
Solution Approach 2:
The patent replaces the manual cable tension adjustment mechanism with an elastic element (spring) that automatically provides the necessary tension. This substitution eliminates the need for precise mechanical adjustment and makes the system maintenance-free.
4Ease of manufacture
If the mounting profile is manually inserted and pulled out, then installation is simple, but automatic door operation cannot be achieved
Solution Approach 1:
The drive unit is integrated directly into the mounting profile, merging the manual operation interface with the automatic driving mechanism. This allows the same component that would be manually handled during installation to also serve as the platform for automatic door movement, eliminating the need for separate manual and automatic systems.
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 device provides a compact, easily installable, and maintenance-free solution that ensures smooth, reliable door movement within functional units, accommodating various door sizes and configurations without blockages or damage, and supports automatic door operation.
Implementation Method 1
which on the other side by a tension spring (453) is connected to a connecting slide (452), into which a tensioning screw (455) is screwed, by means of which the connecting slide (452) and the pull slide (444) are displaceable relative to one another within a bearing profile (459) along its longitudinal axis
Data Source
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AI summary
The invention relates to a sliding device (10) which is designed to be installed in a door compartment (18) of a functional unit (1), comprising a mounting profile (14) which can be moved between a first end position (S1) and a second end position (S2) of a travel path (S) while being held by a holding device (4) in a perpendicularly aligned manner and which is connected or can be connected to a single-part or multi-part door (11) by means of stop hinges (131). The holding device (4) comprises first and second front-face cable connection devices (74, 84) and first and second rear-face cable connection devices (44, 45) which are connected together by first and second holding cables (421, 422). According to the invention, the second rear-face cable connection device (45) comprises a second tensioning device (450) with a second connection slide (452) that is connected to the corresponding second holding cable (422) and to a second drawing slide (454), into which a second clamping screw (455) held in a fixed position is rotated, by means of a second tension spring (453), said clamping screw being used to allow the second drawing slide (454) and the second connection slide (452) to move relative to each other within a second bearing profile (459) along the longitudinal axis thereof. The first front-face cable connection device (84) comprises a first adjusting device (840) with a first adjusting slide (842) which is connected to the fixed first holding cable (421) and interacts with an adjusting screw (845) which is held in a fixed position and which is rotatably held in the first adjusting slide (842).