Elevator Door Lock Operation Member for Modernization
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Solution Overview
Problem
During elevator modernization, the existing cam member fails to operate the car door lock, necessitating additional equipment to separately operate the car door lock, leading to cumbersome work when a car door lock is introduced to a landing floor with an unchanged interlock.
Innovation Solution
A door lock operation member for elevator door lock devices that includes an interlock and a car door lock, with a lock operation part connected to the car-side engaging part, allowing coordinated operation between the landing-side and car-side engaging parts to manage the locking states of both doors, minimizing the need for separate operating mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a car door lock is retrofitted to an existing elevator with an unchanged interlock, then the car door locking function is improved, but additional separate operating equipment is required increasing device complexity
Solution Approach 1:
The lock operation part is designed to perform multiple functions: it operates both the car door lock (via connection to car-side engaging part) and the interlock (via connection to landing-side operation part). This single component replaces what would otherwise require separate operating mechanisms, directly resolving the technical contradiction by reducing device complexity while maintaining both locking functions.
Solution Approach 2:
The patent merges the operating mechanisms for the car door lock and the interlock into a single integrated lock operation part. By combining these previously separate functions into one unified component that can actuate both the car-side engaging part and landing-side operation part, the system eliminates the need for additional separate equipment, thereby reducing device complexity while ensuring reliable operation of both locking systems.
2Adaptability or versatility
If a cam member is replaced during modernization, then the car and cam member are updated, but the cam member cannot operate the car door lock requiring troublesome additional work
Solution Approach 1:
The lock operation part is designed as a universal operating component that can interface with both the updated car door lock system and the existing interlock system. Its dual connection capability (to car-side engaging part and landing-side operation part) makes it adaptable to modernized elevators with new car door locks while eliminating the need for additional operating equipment, thus improving adaptability without increasing installation complexity.
Solution Approach 2:
The lock operation part is designed as a separate, modular component that can be independently installed and configured. This segmentation allows it to serve as a bridge between the new car door lock and the existing interlock system without requiring modification of either system, making the modernization process easier and more adaptable.
3Ease of operation
If separate equipment is introduced to operate the car door lock, then the car door lock can be operated, but troublesome works are necessitated increasing installation complexity
Solution Approach 1:
The lock operation part serves as a universal operating component that simultaneously controls both the car door lock and the interlock through its dual connection design. This eliminates the need for separate operating equipment while maintaining full operational capability of both systems, directly resolving the contradiction between ease of operation and device complexity.
Solution Approach 2:
The patent combines the operating functions for the car door lock and interlock into a single integrated lock operation part. This merging of previously separate operating requirements into one unified component eliminates the need for additional equipment, thereby maintaining ease of operation while reducing overall device complexity.
Data Source
AI summary
Provided is a door lock operation member for elevator door lock device for operating an elevator door lock device, the elevator door lock device including an interlock and a car door lock, the interlock being configured to lock the movement of a landing door in the opening direction when the landing door is in a closed state, the car door lock being configured to lock the movement of a car door in the opening direction when the car door is in a closed state. The door lock operation member further includes a lock operation part configured to actuate both the interlock and the car door lock in association with movements of the car door in the opening direction and in the closing direction.