Sliding Door Lever Deflects Restoring Force Perpendicular to Movement
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Solution Overview
Problem
Existing sliding door systems face issues where the sealing strip, actuated by a restoring device, can cause the door leaf to unintentionally open, making it difficult to maintain the closed position and requiring significant effort to open the door leaf due to the magnetic blocking device's force.
Innovation Solution
The sliding door system incorporates a triggering device with a lever and driver that deflects the force component of the restoring device perpendicular to the door leaf's movement, interacting with a stop element to maintain the closed position without additional blocking devices and allow effortless opening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a magnetic blocking device is used to prevent unwanted door opening, then the door remains securely closed, but significant effort is required to open the door
Solution Approach 1:
The triggering device is activated in advance by the door's movement itself. As the door approaches the closed position, the first driver automatically engages with the stop element, which then activates the lever to deflect the restoring force before the door fully closes. This preliminary activation ensures the door locks securely without requiring additional force to overcome magnetic blocking during opening.
Solution Approach 2:
The system changes the direction parameter of the restoring force from parallel to perpendicular to the door movement direction. By using the lever to deflect the force component, the restoring force that previously acted to open the door is redirected to act perpendicular to the movement, effectively eliminating the magnetic blocking effect while maintaining closure stability.
2Reliability
If the sealing strip is extended by the restoring device, then sealing contact is achieved, but the door leaf may open unintentionally
Solution Approach 1:
The triggering device acts as an intermediary mechanism between the door movement and the sealing strip actuation. The first driver engages with the stop element to activate the lever, which then controls the actuating element that shifts the sealing strip. This intermediary system ensures the sealing strip is extended only at the appropriate moment without causing unwanted door opening.
Solution Approach 2:
The lever deflects the restoring force from the one-dimensional direction of door movement into a perpendicular dimension. By redirecting the force component perpendicular to the door movement direction, the system achieves sealing contact while preventing the restoring force from causing the door to open unintentionally.
3Power
If a lever system is used to deflect force, then force translation is optimized, but device complexity increases
Solution Approach 1:
The lever serves multiple functions simultaneously: it deflects the restoring force perpendicular to door movement, activates the actuating element to shift the sealing strip, and works in conjunction with the first driver and stop element to control the timing of seal engagement. By making the lever multi-functional, the system achieves optimized force translation without proportionally increasing complexity.
Solution Approach 2:
The triggering device combines multiple components (first driver, stop element, lever, actuating element) into an integrated system where the lever acts as a central element that coordinates force deflection and sealing strip actuation. This merging of functions into a unified mechanism optimizes power transmission while keeping the overall device complexity manageable.
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
This configuration ensures the door leaf remains closed without additional blocking devices and can be opened with minimal effort, optimizing force translation and reducing friction losses.
Implementation Method 1
which deflects the force component of the restoring device acting in the direction of movement of the door leaf via at least one lever
Implementation Method 2
The first driver of the triggering device can interact with a stop element mounted on the building side
Data Source
Figure 1a~1b
Figure 2a
Figure 2b
AI summary
The sliding door system (1) comprises a door wing (2) and a sealing device (12) which is provided for sealing the door wing. An actuating element is provided for working with a triggering device, where the actuating element is deflected in the movement direction of the door wing by acting force component of the return device through a lever or a driver in a direction perpendicular to the direction of the movement of the door wing.