Mounting-Profile Door Displacement with External Spring Adjustment
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Solution Overview
Problem
Existing displacement devices for doors in functional entities, such as furniture, require complex drive devices with integrated adjustment mechanisms, which are costly, difficult to maintain, and require access to the furniture for pre-tension adjustment, limiting adaptability and ease of installation.
Innovation Solution
A displacement device with a separate adjustment device for the spring mechanism, allowing pre-tension adjustment outside the drive device, comprising a rotatable or displaceable element to control the pull cord, enabling easy installation and maintenance-free operation, with adjustable pre-tension to accommodate different loads.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the adjustment device is integrated into the drive device, then the pre-tension can be adjusted, but the manufacturing complexity and cost increase
Solution Approach 1:
The adjustment device is separated from the drive device and positioned externally. The pull cord serves as the connection interface between the two separate components, allowing pre-tension adjustment without integrating the adjustment mechanism into the drive device itself. This segmentation reduces manufacturing complexity while maintaining adjustability.
Solution Approach 2:
The pull cord acts as an intermediary element between the adjustment device and the drive device. By adjusting the pull cord's pre-tension externally, the spring mechanism's force can be modified without requiring direct access to or integration within the drive device housing, thus simplifying the overall system architecture.
2Adaptability or versatility
If the adjustment device is integrated into the drive device, then the pre-tension can be adjusted, but the manufacturing cost increases
Solution Approach 1:
By separating the adjustment device from the drive device, each component can be manufactured independently using simpler, more cost-effective processes. The adjustment device can be a simple external mechanism, while the drive device maintains its core functionality without integrated adjustment components, reducing overall manufacturing complexity and cost.
Solution Approach 2:
The adjustment functionality is extracted from the drive device and positioned externally. This allows the drive device to be manufactured as a standardized, cost-effective unit while the adjustment capability is provided by a separate, simpler mechanism that can be configured without complex integration.
3Adaptability or versatility
If the adjustment device requires access to the furniture, then the pre-tension can be adjusted, but the ease of operation and maintenance decreases
Solution Approach 1:
The pull cord serves as an intermediary that transmits the adjustment action from an externally accessible location to the spring mechanism inside the drive device. Users can adjust the pre-tension by manipulating the pull cord from outside the furniture, eliminating the need to access the interior of the furniture for adjustment operations.
Solution Approach 2:
The adjustment operation is extracted from the interior of the furniture and moved to an external location. The adjustment device is positioned where it is easily accessible, and the pull cord transmits the adjustment force to the spring mechanism, allowing users to perform adjustments without opening or accessing the furniture interior.
4Adaptability or versatility
If the drive device is complex with integrated adjustment mechanisms, then the pre-tension can be adjusted, but the maintenance effort increases
Solution Approach 1:
By separating the adjustment device from the drive device, maintenance tasks can be performed on each component independently. The adjustment device can be serviced or replaced without disassembling the drive device, and vice versa, reducing overall maintenance complexity and effort.
Solution Approach 2:
The adjustment mechanism is extracted from the drive device and positioned externally. This allows maintenance personnel to access and service the adjustment mechanism without needing to open or disassemble the drive device housing, significantly reducing maintenance complexity and time requirements.
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 cost-effective, space-efficient, and low-maintenance displacement device that can be easily installed and adjusted to accommodate various loads, ensuring smooth door movement without requiring access to the furniture.
Implementation Method 1
a spring mechanism (211), arranged in a drive device (2)
Implementation Method 2
a pull cord (22), which is wound onto the pull cord pulley (212) and guided up to a holding element (72)
Data Source
AI summary
The displacement device (10), which is provided for the installation in a door compartment (18) of a functional entity (1), comprises a drive device (2) preferably comprising a housing (210), a spring mechanism (211), a pull cord pulley (212) coupled to the spring mechanism (211), and a pull cord (22), which is wound onto the pull cord pulley (212) and is guided preferably via at least one deflection pulley (231, 232, 233) up to a holding element (33, 339; 72), a mounting profile (14),which is connected or connectable by mounting hinges (131) to a single-part or multi-part door (11), which is held vertically aligned and displaceable by a holding device (4);which is connected on an upper end piece to an upper guide carriage (5) that is supported displaceably on an upper guide rail (15) and/orwhich is connected on a lower end piece to a lower guide carriage (6) that is supported displaceably on a lower guide rail (16); andwhich, connected to the drive device (2), is automatically displaceable between a rear-sided end position (S2) at the rear-side of the displacement device (10) and a front-sided end position (S1) at the front-side of the displacement device (10); andan adjustment device (3, X3), with which a pre-tension on the spring mechanism (211) of the drive device (2) can be set. According to the invention the adjustment device (3, 3X) is arranged separated from the drive device (2) and comprises an adjustment element (33, X33) which is rotatable and lockable or displaceable and lockable and which adjustment element (33, X33) cooperates with the pull cord (22) led out of the drive device (2) in such a way that the pull cord (22) is pullable out of the drive device (2) by rotation or displacement of the adjustment element (33, X33) to set a corresponding pre-tension of the spring mechanism (211).