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Elevator QKS9D Door Lock Device with Safety Assurance Electrical Interlock and Durable Mechanical Structure
Brand Name:
Sulab
Model Number:
QKS9
Minimum Order Quantity:
1
Delivery Time:
2-3 working days
Payment Terms:
T/T,Western Union,
Inquiry Now
Get A Quote
Specifications
Highlight Features
300P Elevator Door Lock Device
,LSF9 Elevator Hall Door Lock
,Elevator QKS9D Door Lock Box
Brand:
Sulab
Description:
Elevator Parts
Model:
QKS9
MOQ:
1PC
Transportion:
TNT, UPS, DHL, Fedex, Air, Sea
Applicable:
Elevator
Packages:
Carton, Wooden Case, Pallet Etc
Delivery Time:
Normally 2-3 Working Days After Payment
Warranty:
One Year
Payment Method:
Company Bank, Western Union, Alibaba, Paypal Etc
Product Description
Elevator QKS9D Door Lock Box - Hall Door Lock LSF9 300P Elevator Door Lock Device
The QKS9D Door Lock Box is a reliable elevator door locking device designed for safety and durability in various building applications.
Product Specifications
| Brand | Sulab |
|---|---|
| Description | Elevator parts |
| Model | QKS9 |
| MOQ | 1PC |
| Transportation | TNT, UPS, DHL, Fedex, Air, Sea |
| Applicable | Elevator |
| Packages | Carton, Wooden case, Pallet etc |
| Delivery Time | Normally 2-3 working days after payment |
| Warranty | One year |
| Payment Method | Company Bank, Western union, alibaba, Paypal etc |
Functions and Roles
Safety Assurance
As a key component of the elevator door locking system, the QKS9 door lock securely locks both hoistway and car doors during elevator operation. This prevents accidental door openings and ensures passenger safety by only allowing door unlocking when the elevator reaches the correct position and stops level.
Electrical Interlock
The QKS9 door lock features electrical interlock functionality that communicates door lock status to the elevator control system. The elevator operates normally only when all door locks are properly secured. If any door lock opens abnormally, the safety brake system immediately activates to prevent accidents.
Structural Features
Mechanical Structure
Constructed from durable metal materials with reliable mechanical latch hooks and latch devices designed to withstand significant external forces. The optimized latch design ensures excellent wear and fatigue resistance for long-term stable operation.
Electrical Components
Equipped with bridge-type contacts and electrical components that provide reliable conductivity and stability. These components accurately transmit door lock status signals while offering protection against harsh elevator shaft environments including moisture and dust.
Application Scenarios
- Commercial Buildings: Widely used in office buildings, shopping malls, and hotels where high passenger traffic demands superior elevator safety and reliability.
- Residential Buildings: Commonly installed in high-rise residential elevators to ensure safe daily transportation for residents.
- Industrial Buildings: Suitable for freight elevators in industrial plants and warehouses, providing the durability and reliability needed for high-intensity usage environments.
Elevator Door Lock – FAQs
Q1: What is the function of an elevator door lock?
An elevator door lock provides mechanical locking and, as part of the door safety arrangement, helps verify the required door-locking condition before elevator movement is permitted.
Q2: Can elevator door locks with similar appearances be interchangeable?
Not necessarily. Door locks may differ in locking mechanisms, electrical contact configurations, mounting dimensions, and applicable safety requirements. Visual similarity does not confirm compatibility.
Q3: What can cause an elevator door lock fault?
Possible causes include mechanical misalignment, worn components, damaged wiring, contact problems, or issues with the related door mechanism. A qualified technician should inspect the complete locking system.
Q4: Can an elevator door lock be replaced independently of the door operator?
In some installations, the door lock can be replaced separately, provided the replacement meets the original mechanical, electrical, and safety requirements. Compatibility must be verified before installation.
Q5: What information is needed to identify a replacement elevator door lock?
Please provide the original part number, locking mechanism photos, mounting dimensions, contact configuration, and elevator door system model.
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