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Asynchronous door knife assembly of elevator car door lock

A door knife and component technology, which is used in elevators, transportation and packaging in buildings, etc., can solve problems such as car doors not being able to be opened and people closing accidents.

Pending Publication Date: 2019-12-03
杨宝金
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to solve the deficiencies of the prior art, the present invention provides an elevator car door lock asynchronous door knife assembly to solve the failure of the car door to be opened and the accident of closing the door in the unlocking area caused by the jamming of the landing door.

Method used

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  • Asynchronous door knife assembly of elevator car door lock
  • Asynchronous door knife assembly of elevator car door lock
  • Asynchronous door knife assembly of elevator car door lock

Examples

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Embodiment Construction

[0044] The present invention will be specifically introduced below in conjunction with the accompanying drawings and specific embodiments.

[0045] As a first example, such as Figure 1 to Figure 13 As shown, an elevator car door lock asynchronous door knife assembly 100 includes: door knife back plate 1, knife arm link assembly 2, unlocking assembly 3, lock hook assembly 4, car door lock assembly 5, spring return assembly 6, limiter Position and reset component 7 and manual unlocking component 8.

[0046] Knife arm linkage assembly 2 includes: left knife arm 21, right knife arm 25, synchronous connecting plate 22, door knife upper link 23, door knife lower link 24, right knife arm upper swing link 26 and right knife arm lower swing link 27. The synchronous connecting plate 22, the upper swing link 26 of the right knife arm, the right knife arm 25 and the lower swing link 27 of the right knife arm are mutually hinged to form a parallelogram linkage. The synchronous connecti...

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PUM

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Abstract

The invention discloses an asynchronous door knife assembly of an elevator car door lock. The asynchronous door knife assembly comprises a door knife back plate, a lock hook assembly, an unlocking assembly, a knife arm connecting rod assembly and a spring reset assembly. The lock hook assembly comprises a fixed lock seat installed on an elevator door motor and a car door lock hook capable of hooking the fixed lock seat for locking. The car door lock hook is rotationally connected to the door knife back plate; the unlocking assembly comprises an unlocking piece used for pushing the car door lock hook to rotate so that the car door lock catch can be disengaged from the fixed lock seat. The unlocking piece is connected to the right cutter arm and driven by the right cutter arm to move. The assembly has the beneficial effect that the accidents that the car door cannot be opened and closed in an unlocking area due to the fact that the car door is jammed and cannot be closed in place are avoided.

Description

technical field [0001] The invention relates to an elevator car door lock asynchronous door knife assembly. Background technique [0002] As an important part of the elevator door machine device, the door knife has two forms, namely, asynchronous door knife and synchronous door knife. In the newly revised national standard, there are clear regulations on the opening of the car door. 1. If the elevator stops in the unlocking area for any reason, it should be possible to manually open the car door with a force of no more than 300N at the floor where the car is located and inside the car. 2. In order to limit the opening of the car door by the people in the car, the elevator stops in the non-unlocking area, and a force of 1000N is applied to the door opening restriction device, and the car door cannot be opened more than 50mm. Therefore, the elevator door should have an anti-pick function, and when the car is in the non-unlocking area, people in the car cannot open the car doo...

Claims

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Application Information

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IPC IPC(8): B66B13/18
CPCB66B13/185
Inventor 杨宝金
Owner 杨宝金
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