Interchangeable Insert for Modular Locking Adaptability
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Solution Overview
Problem
Existing locking systems require multiple pivoting lever constructions and separate depressions or actuations for different locking elements, increasing warehousing and production costs and complexity.
Innovation Solution
A modular locking device with an interchangeable insert featuring a lever hook and torsion spring mechanism, allowing for easy adaptation to various locking systems by inserting the interchangeable insert from the front or rear, and automatically returning to the starting position without further actuation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple pivoting lever constructions are used for different locking elements, then each locking element can be properly accommodated, but production costs and warehousing complexity increase
Solution Approach 1:
The receptacle is designed with a universal geometry that can accommodate multiple different locking element types (profile cylinders, profile half cylinders, finger levers) through a single standardized interface. The interchangeable insert adapts within this universal receptacle to work with various closure systems, eliminating the need for multiple specialized pivoting lever constructions.
Solution Approach 2:
The locking device is divided into separable components: a fixed receptacle and an interchangeable insert. This segmentation allows the receptacle to remain standardized while the insert can be swapped to match different locking element requirements, reducing overall system complexity while maintaining versatility.
2Ease of operation
If separate depression or actuation mechanisms are provided for each locking element, then each can be independently controlled, but production costs and installation complexity increase
Solution Approach 1:
A single depression mechanism located on the actuating side is designed to control multiple different locking elements through the standardized receptacle interface. This universal actuation system replaces the need for separate depression mechanisms for each locking element type, reducing manufacturing costs while maintaining independent control capability.
3Ease of manufacture
If a standardized receptacle is used for different locking elements, then production costs decrease, but the mechanism for accommodating various closure systems becomes more complex
Solution Approach 1:
The system is segmented into a standardized receptacle and an interchangeable insert. The receptacle provides the universal interface for cost-effective standardized production, while the insert contains the adaptive components that accommodate different closure system requirements, separating the standardized interface from the adaptive functionality.
Solution Approach 2:
The interchangeable insert acts as an intermediary component between the standardized receptacle and the various locking elements. It translates the universal receptacle interface into specific engagement mechanisms suitable for different closure systems, maintaining adaptability while preserving manufacturing standardization.
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
Simplifies production and reduces costs by allowing a single pivoting lever construction to accommodate multiple locking elements, ensuring efficient and automatic operation of the locking mechanism.
Implementation Method 1
the lever hook is moved back into the starting position by a torsion spring
Data Source
Figure 1
Figure 2A~2C
Figure 3A~4
AI summary
The invention relates to a modular closure device for different closure elements (14), such as finger levers, plate cylinders, profiled cylinders, and profiled half-cylinders for locking a pivot lever (10) in a recess (30), wherein the closure elements (14) can be plugged into and secured (49) in a receiving area (50) arranged in the recess (30) or the pivot lever (10) either from the front or from the rear. The invention is characterized in that the closure device interacts with a guide (46) by means of an interchangeable insert (18) which is adapted to the closure device and is designed differently for the different receiving areas (50) such that the closure device can be inserted (46) into the recess (30) or the pivot lever (10), and the recess (30) or the pivot lever (10) can be plugged through an opening in a door leaf or the like together with the inserted interchangeable insert (14) and can be secured (49) by means of a cap (12).