Electromechanical Lock with Adjustable Backset and Through-Door Interface
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Solution Overview
Problem
Existing self-contained locks mounted on the interior side of doors or panels lack a user interface that provides a clear indication of the lock's status, and they often require replacement of mechanical cam locks with electronic locks, which can have varying backsets, making it difficult to accommodate different installations.
Innovation Solution
The development of an electromechanical lock with a user interface that extends through a hole in the door, featuring an adjustable backset to accommodate varying cam lock installations, and includes an electronic key connector for additional functions such as power supply and programming.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a self-contained lock is mounted on the interior side of a door or panel with no external components, then the lock structure is compact and simple to install, but the user cannot see the lock's status and cannot interact with the lock
Solution Approach 1:
The lock system is divided into two separate components: a lock housing mounted on the interior side of the door that contains the locking mechanism, and a user interface that extends through the door to provide status indication and user interaction. This segmentation allows the lock structure to remain compact while providing external visibility and interaction capabilities.
Solution Approach 2:
A user interface component acts as an intermediary between the user and the lock mechanism. This interface includes visual indicators (such as LEDs or windows) that transmit lock status information to the user, and input mechanisms (such as keypads or card readers) that allow user interaction without requiring direct access to the lock housing.
2Adaptability or versatility
If mechanical cam locks are replaced with electronic locks, then electronic functions such as programming and power supply are added, but the varying backsets of different cam locks make installation difficult
Solution Approach 1:
The lock housing is designed with an adjustable backset mechanism that allows the position of the locking element relative to the mounting surface to be changed. This dynamic adjustment capability enables the same electronic lock housing to accommodate doors with different thicknesses and cam lock backset variations, maintaining installation compatibility across different applications.
Solution Approach 2:
The backset parameter of the lock housing can be adjusted to match different installation requirements. This may involve adjustable mounting ears, telescopic mounting plates, or repositionable locking elements that can be set at different distances from the mounting surface, allowing the electronic lock to replace various cam lock configurations.
3Ease of operation
If the user interface extends through the door to provide status indication and interaction, then user convenience is improved, but the device complexity increases
Solution Approach 1:
Multiple functions are combined into a single user interface component: status indication (visual displays), user input (keypads, card readers, or biometric scanners), and communication interfaces are integrated into one unified structure that mounts on the door. This merging provides comprehensive user interaction capabilities while minimizing the number of separate components required.
Solution Approach 2:
The user interface is designed as a multi-functional component that can perform multiple operations: displaying lock status, accepting various authentication methods (code entry, card swiping, fingerprint scanning), providing feedback to users, and communicating with the lock mechanism. This universal design allows a single interface structure to handle diverse user interaction requirements.
Data Source
AI summary
An electromechanical lock includes a main housing and a lock housing. The lock housing includes a locking element such as a bolt or a latch that can be translated between a locked position and an unlocked position by an actuator. The lock housing can be mounted to the main housing in more than one orientation.