Sliding Leaf Damping Device with Height Adjustment
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Solution Overview
Problem
Existing end position retraction and damping devices for sliding doors and windows face issues with tolerance fluctuations due to production, assembly, and temperature changes, leading to malfunctions and requiring significant installation space, which are not effectively compensated by current solutions.
Innovation Solution
A self-adjusting end position retraction and damping device with a gas pressure spring and height adjustment mechanism, where a compression spring element allows for stepless height adjustment, enabling precise alignment and automatic energy release for smooth operation, and a compact design that compensates for tolerance fluctuations without needing subsequent adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a damping and retraction element is firmly connected to the sliding sash and driver, then the device provides stable damping and retraction function, but tolerance fluctuations from production and assembly cannot be compensated, leading to malfunctions
Solution Approach 1:
The connection between the housing and adapter piece is made dynamically adjustable through the height adjustment device, allowing the system to adapt to tolerance fluctuations while maintaining functional reliability
Solution Approach 2:
The height adjustment device enables parameter changes in the vertical positioning of the driver and control device, allowing compensation for assembly and production tolerances
2Device complexity
If a traditional damping and retraction device is designed with fixed connections, then the structure is simple, but it requires significant installation space and cannot accommodate tolerance variations
Solution Approach 1:
The driver and control device are integrated into the housing structure, with components nested within each other to minimize installation space while maintaining structural simplicity
Solution Approach 2:
The height adjustment device introduces vertical adjustment capability, allowing the system to compensate for tolerances in the vertical dimension without increasing horizontal installation space
3Manufacturing precision
If the device is firmly fixed to compensate for tolerances, then positioning is stable, but subsequent setting behavior and temperature-induced length changes cannot be accommodated
Solution Approach 1:
The height adjustment device provides dynamic adjustment capability, allowing the system to maintain positioning accuracy despite subsequent setting behavior and temperature-induced dimensional changes
Solution Approach 2:
The self-adjusting height adjustment device automatically compensates for dimensional changes due to temperature and setting behavior, eliminating the need for manual readjustment
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 ensures reliable, quiet, and efficient operation of sliding doors and windows by absorbing impact, maintaining a secure hold, and automatically adjusting to tolerance changes, reducing installation complexity and space requirements while ensuring long-term functionality.
Implementation Method 1
a damping element for braking the sliding leaf before it arrives in the end and closed position
Implementation Method 2
which has a compression spring element
Implementation Method 3
with a gas pressure spring
Implementation Method 4
energy store for drawing the sliding leaf into the closed position
Data Source
Figure 1~2
Figure 3
Figure 4~5
AI summary
The invention relates to an end position retraction and end position damping device (1) for a slidable leaf as sliding leaf or slidable lift-and-slide leaf (2) of a window or a door, comprising power storage for retracting the sliding leaf (2) into the closed position and a damping element for braking the sliding leaf (2) prior to reaching the end and locking position, which are mounted in a housing (3) of the end position retraction and end position damping device (1). The invention further comprises a driver and control system (4), which is operatively connected to a driver (6) fastened to frame (5), and which is configured to lock the power storage in place in an open position of the sliding leaf (2), and comprising an adaptor piece (7, 8), provided to be fastened to a component of the sliding leaf (2) and connected to the housing (3). The connection of the housing (3) of the end position retraction and end position damping device (1) to the adaptor piece (7, 8) has a height adjusting device (9).