Elevator Door Coupling Assembly With Sawtooth Locking Adjustment
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Solution Overview
Problem
Existing coupling and locking assemblies for synchronous elevator doors are often customized, leading to non-standardization, increased costs, and operational inefficiencies, especially when specific spare parts are no longer available.
Innovation Solution
A standardized coupling and locking assembly for elevator doors that can be adapted to various types of elevator equipment, utilizing a kit of components with adjustable coupling blades and levers, allowing precise alignment and operation without continuous adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If customized coupling and locking assemblies are used to adapt to different elevator equipment, then adaptability is improved, but device complexity and manufacturing costs increase
Solution Approach 1:
The patent applies universality by designing a standardized coupling and locking assembly that can be used across multiple elevator equipment models. The assembly features universal mounting brackets, standardized coupling blades, and interchangeable components that allow the same basic design to adapt to different door configurations and elevator types, eliminating the need for completely customized assemblies for each equipment variant.
Solution Approach 2:
The coupling and locking assembly is divided into modular segments including separate mounting brackets, coupling blades, locking mechanisms, and adjustment components. This segmentation allows individual parts to be replaced, adjusted, or configured for different applications without replacing the entire assembly, reducing overall complexity while maintaining adaptability.
2Adaptability or versatility
If customized coupling and locking assemblies are manufactured for each elevator equipment type, then adaptability is improved, but manufacturing time and costs increase
Solution Approach 1:
The patent implements universality in manufacturing by creating a standardized platform design that can be produced using the same tooling and processes for multiple elevator equipment types. The assembly uses common fasteners, standardized blade profiles, and interchangeable mounting hardware, allowing manufacturers to produce these components in high volumes with consistent quality control, significantly reducing per-unit costs compared to fully customized solutions.
Solution Approach 2:
The patent applies parameter changes by providing adjustable elements within the standardized assembly, such as variable blade lengths, adjustable mounting positions, and configurable locking mechanisms. These parameters can be modified through simple selection during assembly rather than requiring different manufacturing processes, allowing the same base design to be adapted to specific equipment requirements while maintaining manufacturing efficiency.
3Ease of manufacture
If standardized coupling and locking assemblies are used, then manufacturing simplicity is improved, but adaptability to specific elevator equipment deteriorates
Solution Approach 1:
The patent overcomes the adaptability limitation of standardized assemblies through segmentation into modular components. The coupling and locking assembly consists of separate functional units including mounting brackets, coupling blades, locking mechanisms, and adjustment elements that can be independently selected and configured. This modular structure allows the standardized platform to be adapted to various door configurations by simply changing or repositioning individual components rather than requiring complete customization.
Solution Approach 2:
The patent incorporates dynamic elements into the standardized assembly, such as adjustable mounting positions, variable blade configurations, and flexible locking mechanisms that can be adapted during installation. These dynamic features allow the same standardized design to accommodate different elevator door types, sizes, and mounting requirements without sacrificing manufacturing simplicity.
4Reliability
If non-standardized spare parts are manufactured to replace broken components, then operational continuity is improved, but manufacturing precision and quality control deteriorate
Solution Approach 1:
The patent ensures operational continuity through universal standardized components that can be rapidly manufactured and replaced. The coupling and locking assembly uses common fasteners, standardized blade profiles, and interchangeable mounting hardware that can be produced using existing manufacturing capabilities with consistent quality control. This standardization ensures that spare parts maintain precise dimensions and fit tolerances while enabling quick replacement to restore elevator operation.
Data Source
AI summary
A coupling and locking assembly for synchronous doors of elevator equipment. The assembly includes a coupling and locking device mounted to a guide element by a fastening system having a plurality of holes spaced from each other. The coupling and locking device includes a base plate, a pair of coupling blades and a pair of rotating articulated levers. Movable pins integral with the articulated levers are configured to fit into slots in the coupling blades. At least one part of the slots is provided with teeth which extend inside the respective slot such that the slot has a sawtooth shape to define a plurality of discrete seats into which respective movable pins may be introduced, thereby providing the coupling blades with a corresponding plurality of different mounting configurations relative to the articulated levers. The coupling blades and the articulated levers may be constructed according to one of three different profiles.