A door knife with elevator integrated car door lock

Abstract

The invention relates to a door knife integrated with a car door lock and used for an elevator. The door knife has the beneficial effects of being convenient to install and adjust and better in safety performance. According to the technical scheme, the door knife integrated with the car door lock and used for the elevator is characterized in that the door knife comprises a door knife bottom plate, two door knife blades, a drive assembly and an interlocking assembly; the door knife bottom plate is arranged on one hanging plate of a door machine; the door knife blades are arranged on the front face of the door knife bottom plate and form double-rocker mechanisms respectively; the drive assembly comprises a knife lifting plate, an unlocking plate, a connection rod and a transmission arm; the interlocking assembly comprises a lock hook plate, a main lock hook and an interlocking hook; the middle of the lock hook plate is hinged to the back face of the knife lifting plate; an arc-shaped section matched with an unlocking ball is manufactured at one end of the lock hook plate and connected with a car door plate of the elevator through an unlocking steel wire rope; the other end of the lock hook plate is connected with the door knife bottom plate through a spring and is provided with a main lock hook; and the interlocking hook is arranged on the other hanging plate of the door machine and matched with the main lock hook.

Description

technical field [0001] The invention relates to the technical field of elevators, in particular to a door knife for an elevator integrated car door lock which is convenient for installation and debugging. Background technique [0002] The widespread use of elevators has brought great convenience to people's lives. At the same time, the safety performance of elevators has also attracted increasing attention. [0003] my country's national standard stipulates: "The horizontal distance between the inner surface of the elevator shaft and the edge of the nearest door of the car sill, car door frame or sliding door should not be greater than 0.15m. If the car is equipped with a mechanically locked door and can only When the landing door is opened in the unlocking area, except for special circumstances, the operation of the elevator should automatically depend on the locking of the car door, and the locking of the car door must be confirmed by an electrical safety device, then the a...

AI Technical Summary

Problems solved by technology

[0007] The present invention mainly solves the technical problem that in the prior art, the door knife and the car door lock are set up separately, and the car door lock and the door knife need to be debugged on each floor, which not only has low efficiency, but also leads to an increase in the failure rate; Under the circumstances, the force requirements for opening the hall car door at the leveling position and the opening distance of the car door at the non-leveling position provide an elevator integrated car door lock door knife with convenient installation and debugging and better safety performance.

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