Elevator protective door

Abstract

The invention provides an elevator protective door. The elevator protective door is provided with a protector, wherein the protector comprises a swing rod, a swing rod base, a protective bolt, a guide wheel, a sensor, a guide rail and an extension spring; the swing rod base is fixed on an elevator shaft near an elevator outer door, the swing rod is hinged to the swing rod base, the protective bolt is connected with the upper end part of the swing rod, and the guide wheel is mounted at the lower end part of the swing rod; the guide rail is mounted on an elevator compartment; a protective hole is formed in the elevator outer door, and the extension spring is mounted between the swing rod and the elevator shaft; a controller of the elevator is connected with the sensor through a control wire. During use, the elevator outer door is locked by the protective bolt of the protector and cannot be opened when the elevator compartment of the elevator does not reach the floor, people can be prevented from falling into the elevator shaft, and casualty accidents are prevented; when the elevator compartment reaches the floor, the protective bolt of the protector is opened by the elevator compartment, the elevator outer door is unlocked and can be opened, and the normal use of the elevator is ensured.

Description

technical field [0001] The invention relates to an elevator safety device, in particular to an elevator protective door. Background technique [0002] At present, during the use of the elevator, due to reasons such as design and maintenance, when the elevator car does not reach the outer door of the elevator, the outer door of the elevator is accidentally opened, causing the person at the outer door of the elevator to fall into the elevator passage. Causing casualty accidents, a kind of elevator protective door that prevents the elevator outer door from accidentally opening has become a safety requirement for people to use the elevator. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior art and provide an elevator protective door to prevent accidental opening of the outer door of the elevator and maintain people's safety. [0004] The technical solution adopted in the present invention is: the elevator prot...

AI Technical Summary

Problems solved by technology

[0002] At present, during the use of the elevator, due to reasons such as design and maintenance, when the elevator car does not reach the outer door of the elevator, the outer door of the elevator is accidentally opened, causing the person at the outer door of the elevator to fall into the elevator passage. Causing casualties, an elevator protective door that prevents the accidental opening of the outer door of the elevator has become a safety requirement for people using the elevator

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