Sliding Door Security Device for Rapid Emergency Locking
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Solution Overview
Problem
Existing door security measures, such as cylinder locks and magnetic strips, are inadequate in emergencies as they require keys, are time-consuming, or fail to provide quick and reliable locking mechanisms, posing risks to occupants.
Innovation Solution
A door security device that integrates with existing doors and locks, allowing occupants to secure doors with a single action, featuring a slidable mechanism that moves between unsecure and secure positions, accompanied by visual indicators and optional motorization for rapid emergency locking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional cylinder locks are used to secure doors, then door security is provided, but the locking process requires keys and significant time which is inadequate in emergency situations
Solution Approach 1:
The door security device is pre-positioned on the door in an unsecured state during normal operations. In an emergency, the device can be quickly deployed to the secured position without requiring key insertion or complex manipulation, thus performing the locking action in advance of the emergency threat arrival.
Solution Approach 2:
The door security device is divided into separate functional components including a latch mechanism, a blocking member, and a actuating mechanism. This segmentation allows the device to be operated independently from the existing door lock, enabling rapid securing action without interfering with or requiring the traditional key-based locking system.
2Ease of operation
If doors are left unlocked to allow easy access between rooms, then ease of movement is improved, but the ability to quickly secure the door in emergencies is worsened
Solution Approach 1:
The door security device dynamically transitions between two states: an unsecured position that allows free door movement during normal operations, and a secured position that blocks the latch mechanism. This dynamic capability enables the same device to satisfy both contradictory requirements of easy access and rapid security.
Solution Approach 2:
The door security device acts as an intermediary mechanism between the door and the existing lock system. It provides an additional layer of security that operates independently, allowing the door to remain accessible during normal use while enabling rapid securing when needed, without replacing or complicating the existing door access system.
3Reliability
If magnetic strips or additional locks are added to existing doors, then security functionality is improved, but the device complexity and potential interference with emergency access is worsened
Solution Approach 1:
The door security device integrates multiple functions into a single mechanism: it blocks the latch, provides visual security indicators, and can be rapidly actuated. This multi-functionality eliminates the need for separate magnetic strips, additional locks, or complex electronic systems, achieving enhanced security while maintaining simplicity.
Solution Approach 2:
The door security device includes self-indicating features such as visual indicators that automatically show whether the door is secured or unsecured. This self-service capability eliminates the need for additional monitoring devices or complex control systems, allowing occupants to quickly assess door status without adding to system complexity.
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
Enables quick and reliable door locking during emergencies, compatible with existing infrastructure, easy to operate, and maintains access for first responders while ensuring doors are securely locked without complex processes.
Implementation Method 1
the rails of the door security device can be made from magnetized, cast steel that secure the door security device to a steel door
Data Source
AI summary
Methods, systems, and apparatus for a door security device. The device can include a first rail member having an elongated portion and a second rail member having an elongated portion. The device can also include a body member having a plurality of surfaces and a recess defined by one or more surfaces of the plurality of surfaces, where the recess is configured to interact with the first rail member and/or second rail member in a slidable arrangement. The device can also include a plate member secured to the body member. The device can also include an interactive member secured to one or more of the plate member and the body member.