Locking Device Compensating Slide Force Limiting
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing locking devices for doors and windows often experience jamming and excessive force issues due to variations in rebate clearance and soiling, leading to potential damage and unreliable locking mechanisms, especially when using springs to absorb driving forces.
Innovation Solution
A locking device with a compensating slide and transmission device that modifies the charging movement of a spring element, allowing for relative movement between the drive slide and driving element, thereby influencing the resulting force to prevent impermissibly high forces, and is designed to be easy to manufacture and use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If springs are used to absorb driving force in the event of blockage, then the locking mechanism can handle variations in rebate clearance, but the force to be overcome increases with increasing distance, leading to very high total forces that can damage components
Solution Approach 1:
A compensating slide is introduced as an intermediary element between the drive slide and the spring. This compensating slide performs a compensating movement that is translated through a transmission device to charge the spring in a modified direction and/or speed, thereby mediating the force transmission and preventing excessive forces from reaching the drive mechanism components
Solution Approach 2:
The transmission device modifies the parameters of the spring charging movement by changing the direction and/or speed at which the spring is charged. This parameter modification ensures that the spring absorbs energy in a controlled manner, limiting the peak forces that can damage components while still providing adaptability to rebate clearance variations
2Adaptability or versatility
If the bolt travels different distances due to changes in rebate clearance, then the locking mechanism can accommodate clearance variations, but the bolt may strike a locking recess and jam or cause excessive forces or damage
Solution Approach 1:
The compensating slide acts as a mediator that performs compensating movement to absorb the variations in bolt travel distance caused by rebate clearance changes. This compensating movement is translated through the transmission device to charge the spring, thereby mediating the force transmission and preventing the bolt from striking the locking recess with excessive force
Solution Approach 2:
The spring element is charged in advance through the compensating movement to provide cushioning force. This beforehand cushioning prepares the system to handle potential blockages or misalignments, absorbing energy before it can cause damage to the locking mechanism components
3Strength
If the drive mechanism is designed to withstand high forces, then it can handle blockages, but the device complexity increases and manufacturing becomes more difficult
Solution Approach 1:
The compensating slide and transmission device serve as intermediary elements that modify the force transmission path. By introducing these intermediaries, the drive mechanism does not need to be designed to withstand the full brunt of high forces directly, thereby reducing the overall complexity and manufacturing difficulty while still providing the necessary strength to handle blockages
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 effectively limits the driving force to a specific maximum value, preventing overloading of the drive device and other elements, ensuring reliable operation and preventing jamming, even in cases of blockage or misalignment.
Implementation Method 1
a spring element (45) that can be charged by the compensating slide (42) during the compensating movement
Data Source
Figure 1
Figure 2a~2b
Figure 3a~3b
AI summary
The invention relates to a locking device (1) for a door and/or a window with a lock housing designed as a lock case (21) or lock counter case (3) and a lock element (22) which is driven by a drive device (4).To increase the functional reliability of the locking device (1), in particular to limit the force occurring in the event of a blockage, it is provided that the drive device (4) acts on the lock element (22) via a drive slide (44) and a compensating slide (42), wherein, in the event of a blockage of the drive slide, the compensating slide (42) moves relative to the drive slide (44) while charging a spring element (45), and a transmission device (46) is provided which translates the compensating movement of the compensating slide (42) to the spring element (45) in such a way that the spring element (45) is charged with a charging movement modified with respect to direction and/or speed.