Modular Strike Box Ejector Adaptation for Double-Leaf Door Locks
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Solution Overview
Problem
Existing strike boxes for double-leaf doors face challenges in adapting to varying gap and distance dimensions between the active and passive leaf locks, leading to complex and costly manufacturing and assembly due to the need for different designs for different distance dimensions.
Innovation Solution
A modular strike box design featuring a first ejector with a carrier and detachable ejector element that can be mounted in different positions to accommodate varying distance dimensions, allowing adaptation to different active leaf locks without modifying the entire lock mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If different strike box designs are used for different distance dimensions, then adaptation to various active leaf locks is achieved, but manufacturing and assembly complexity increases
Solution Approach 1:
The strike box is segmented into modular components: a base body and interchangeable adapter elements. Each adapter is designed for a specific distance dimension (e.g., 72mm or 92mm), allowing the same base strike box to adapt to different active leaf lock configurations by simply changing the adapter module rather than the entire strike box design.
Solution Approach 2:
The base strike box body is designed as a universal component that can work with multiple types of active leaf locks regardless of distance dimension. The universal base combines with specific adapters to achieve compatibility across different door configurations, reducing the need for completely different strike box designs.
2Reliability
If different strike box designs are used for different distance dimensions, then proper panic function is ensured, but manufacturing costs increase
Solution Approach 1:
By segmenting the strike box into a universal base and specialized adapters, manufacturing costs are reduced through economies of scale. The universal base can be mass-produced once and reused across multiple configurations, while only the relatively simple adapters need to be varied for different distance dimensions.
Solution Approach 2:
The modular adapter design allows for easy replacement and reuse. When adapting to different distance dimensions, the universal base is retained and reused, while only the adapter portion is changed or discarded, reducing overall manufacturing waste and cost.
3Adaptability or versatility
If the entire lock mechanism is modified to accommodate varying gap dimensions, then adaptation is achieved, but device complexity and costs increase
Solution Approach 1:
The adaptation function is extracted from the main lock mechanism and placed into separate, interchangeable adapter elements. This allows the core lock mechanism to remain simple and unchanged, while the adapters handle the variability in gap dimensions and distance configurations.
Solution Approach 2:
The lock system is divided into the main mechanism and separate adaptation components. This segmentation allows the main mechanism to remain standardized and simple, while the adapters provide the necessary adaptation without complicating the core locking function.
Data Source
Figure 1
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Figure 4~5
AI summary
The invention relates to a strike box (8, 8') for a passive leaf lock (7) of a double-leaf door, with - a housing (11), - an actuating device (12), e.g. a lock nut, for unlocking the passive leaf lock (7), - a first ejector (13), - a second ejector (14), wherein the first ejector (13) and the second ejector (14) can be pressed against locking elements (5, 6) of a moving leaf lock (3, 3') opposite the passive leaf lock (7) by actuating the actuating device (16), and in the process press the locking elements (5, 6) of the moving leaf lock (3, 3') out of the housing (11) of the strike box (8).The counter box is characterized in that at least the first ejector (13) has a carrier (23) and an ejector element (24) which is detachably fastened to the carrier (23) and which presses against the locking element (5) of the active leaf lock (3) during the actuation of the actuating device (12), wherein the ejector element (24) can be optionally mounted on the carrier (23) of the first ejector (13) in at least two different mounting positions with different distances (A1, A2) from the second ejector (14).