Elevator Door Coupling Assembly With Sawtooth Blade 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 spare parts are unavailable for older equipment.
Innovation Solution
A standardized coupling and locking assembly kit for elevator doors, comprising a guide element, coupling device, and adjustable blades with sawtooth slots, allowing adaptation to various door systems with precise 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 implements a universal coupling and locking assembly that can be applied to multiple types of elevator equipment through standardized mounting dimensions and modular blade components. The assembly maintains adaptability across different door configurations while preserving a consistent core structure, thereby achieving multi-functionality without proportionally increasing complexity.
Solution Approach 2:
The coupling and locking assembly is divided into modular components including a standardized base structure and interchangeable locking blades. This segmentation allows different blade configurations to be attached to the same base, providing adaptability to various elevator door systems while keeping the main assembly structure simple and standardized.
2Adaptability or versatility
If customized coupling and locking assemblies are manufactured for each elevator equipment type, then adaptability is improved, but ease of manufacture deteriorates
Solution Approach 1:
The patent establishes a universal base structure with standardized mounting interfaces that can serve multiple elevator equipment types. This allows manufacturers to produce a single core assembly design that can be adapted to different applications, significantly improving ease of manufacture while preserving adaptability through modular blade attachments.
Solution Approach 2:
The patent utilizes adjustable mounting parameters and interchangeable blade components with varying dimensions to adapt the standardized assembly to different elevator door configurations. By changing only the blade parameters rather than the entire assembly, the system maintains manufacturing simplicity while achieving customization.
3Ease of manufacture
If standardized coupling and locking assemblies are used, then ease of manufacture is improved, but adaptability to specific elevator equipment deteriorates
Solution Approach 1:
The patent segments the coupling and locking assembly into a standardized base component and interchangeable blade components. The base structure can be manufactured in large quantities using standardized processes, while the blades can be produced in various configurations to fit specific door systems, thereby combining the benefits of standardized production with equipment-specific adaptability.
4Adaptability or versatility
If non-standard spare parts are manufactured to adapt to older elevator equipment, then adaptability is improved, but loss of time and productivity deteriorate
Solution Approach 1:
The patent creates a universal coupling and locking assembly that can replace multiple obsolete specialized assemblies across different elevator equipment types. This universal design allows installers to use the same spare part for various older equipment models, eliminating the need to manufacture custom non-standard parts and significantly reducing adaptation time.
Solution Approach 2:
The patent essentially creates a modern standardized copy of the coupling and locking function that replicates the adaptability of numerous obsolete specialized designs. By copying the essential functionality into a single standardized platform with modular components, it eliminates the time loss associated with manufacturing unique non-standard spare parts for each older equipment type.
Data Source
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AI summary
A coupling and locking assembly (10) for synchronous doors of an elevator equipment is described. The assembly comprises a guide element (12) and a coupling and locking device (20), which can be constrained to each other by means of a fastening system. The fastening system comprises a plurality of holes suitably spaced from each other. The coupling and locking device comprises a base plate (22), a pair of coupling blades (24, 26) and a pair of rotating articulated levers (28, 30). Movable pins (36, 38, 40, 42) integral with the articulated levers are designed to fit into respective slots (44) obtained on the coupling blades. At least one part of the slots is provided with a plurality of teeth (48) which extend inside the respective slot, in such a way that the slot has a sawtooth shape to define a plurality of discrete seats into which respective movable pins are introduced, in order to obtain that the coupling blades have a corresponding plurality of different mounting configurations relative to the articulated levers. Both the coupling blades and the articulated levers can be suitably manufactured according to at least three different profiles.