Key Actuating Device With Universal Locking-Cylinder Adapter
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Solution Overview
Problem
Existing key-operating devices are designed for a single type of locking cylinder, necessitating multiple versions for different types, leading to high production and logistical costs and complex installation and maintenance.
Innovation Solution
A plate-shaped adapter with a recess for receiving various locking cylinders, allowing interchangeable modules and a compact design with integrated power sources, facilitating easy assembly and maintenance without tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If key-operating devices are designed for a single type of locking cylinder, then the device can be optimized for that specific type, but multiple versions must be produced and stocked for different locking cylinder types, leading to high production and logistical costs
Solution Approach 1:
The adapter is designed with a universal interface that can accommodate multiple types of locking cylinders through a standardized mounting mechanism. The adapter body includes a recess that can receive different locking cylinder types, and the housing can be positioned in different orientations (e.g., vertically or horizontally) to suit various installation requirements. This allows a single key-operating device design to serve multiple locking cylinder types without requiring separate versions for each type.
Solution Approach 2:
The key-operating device is divided into separate functional modules: the adapter (which interfaces with the locking cylinder), the housing (which contains the actuator and control components), and the mounting mechanism. This segmentation allows the adapter to be designed as a universal interface that can work with different locking cylinder types, while the housing and control components remain standardized. The adapter acts as an interchangeable component that bridges the specific locking cylinder type to the standardized key-operating mechanism.
2Ease of operation
If different mounting plates are produced for different locking cylinder types, then each device can be precisely fitted, but device complexity and installation complexity increase
Solution Approach 1:
A single universal adapter design replaces the need for multiple type-specific mounting plates. The adapter includes a standardized interface that can accommodate different locking cylinder types through a common mounting mechanism, eliminating the need to stock and install different mounting plate variants for different cylinder types.
Solution Approach 2:
The adapter and housing assembly allows for dynamic positioning and orientation adjustments during installation. The housing can be mounted in different orientations (vertical or horizontal) depending on the specific installation requirements and locking cylinder configuration, providing installation flexibility without requiring multiple fixed designs.
3Ease of repair
If the housing is permanently attached to the locking cylinder, then structural stability is improved, but maintenance and servicing of power sources becomes difficult
Solution Approach 1:
The mounting mechanism is divided into separable components: the adapter that interfaces with the locking cylinder and the housing that contains the actuator and power source. This segmentation allows the housing to be detached from the adapter for maintenance purposes while leaving the adapter permanently mounted on the locking cylinder. The separable connection enables easy access to the power source for battery replacement or servicing without disturbing the permanent mounting of the adapter to the cylinder.
Data Source
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Figure 8
AI summary
The invention relates to a key-operating device (1) for turning a key (17) in a lock of a door or the like, which has an actuating element, in particular a locking cylinder (16), and a housing (2) in which an actuator (6), a rotary element (7) driven by the actuator (6) for connection with the key (17), and a gear (13) for mechanically coupling the actuator (6) with the rotary element (7) are arranged, wherein the housing (2) can be connected via an adapter (5) to a door, a component of the door, such as a door leaf and/or a rosette, and/or the actuating element, in particular the locking cylinder (16), wherein the adapter (5) is plate-shaped and has a recess, in particular an opening (50), for receiving at least one mechanical component, located between the rotary element (7) and the actuating element.in particular the connecting element arranged to the locking cylinder (16) and/or a part of the length of the locking cylinder (16), and that the adapter (5) has a region (45) for the arrangement of batteries (47) and/or accumulators as a power source (9), wherein the batteries (47) and/or accumulators as a power source are arranged in the housing (2), and/or that the adapter (5) is detachably connected to the housing (2) at least in region (45), wherein the adapter (5) closes the housing (2) in particular at the rear, at least in region (45), in particular completely or partially.