CN214935185U

CN214935185U - Household elevator maintainer hall door opening protection device

Info

Publication number: CN214935185U
Application number: CN202023312342.7U
Authority: CN
Inventors: 杨冠华; 姚罡; 王振宇
Original assignee: Suzhou Duomeishi Household Elevator Co ltd
Current assignee: Suzhou Duomeishi Household Elevator Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-30
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a protection device is opened to domestic elevator maintainer room door, it includes room door lock subassembly, room door lock subassembly including installing the lock core on the room door, with lock core looks fixed connection's trigger plate, trigger plate can the unblock after rotating room door lock subassembly, protection device still including install in just be located on the room door trigger plate rotate the route on first contact switch, with first contact switch constitutes the siren in alarm return circuit. The device is simple and convenient to install electrically, low in cost and reliable in action, ensures the safety reminding of the elevator in the process of opening the hall door, and can be widely applied to the opening protection of elevator maintainers.

Description

Household elevator maintainer hall door opening protection device

Technical Field

The utility model belongs to the elevator equipment field, in particular to protection device is opened to home use elevator maintainer room door.

Background

The safety of passengers and the running comfort of the elevator are mainly considered in the design and manufacturing process of the elevator, the safety of elevator maintenance personnel in the operation process is often ignored relatively easily, but the elevator is more worth attention and attention, the existing high-rise elevator is common, the elevator with a basement occupies a certain proportion, if the elevator is not operated at the bottom layer, the elevator car is not in an unlocking area, and the danger of falling into a hoistway is easily caused by abnormal unlocking.

Disclosure of Invention

The utility model aims at providing a protection device is opened to home use elevator maintainer room door that can play warning effect and guarantee maintenance personal safety.

In order to solve the technical problem, the utility model adopts the following technical scheme: the protection device comprises a hall door lock assembly, the hall door lock assembly comprises a lock cylinder installed on a hall door, a trigger plate fixedly connected with the lock cylinder, the hall door lock assembly can be unlocked after the trigger plate rotates, the protection device further comprises a first contact switch installed on the hall door and located on a rotating path of the trigger plate, and an alarm forming an alarm loop with the first contact switch.

Preferably, the hall door lock subassembly including install in movable hook claw subassembly on the hall door, install the fixed buckle subassembly on car or another hall door, the fixed buckle subassembly includes fixed hook claw, movable hook claw subassembly including rotate connect in movable hook claw on the hall door, be used for making movable hook claw has the orientation all the time fixed hook claw rotates and the first elastic component of hanging the trend, hall door lock subassembly including can be slidable from top to bottom install in unblock pole on the hall door, make unblock pole have the second elastic component towards the direction of trigger plate direction movement trend all the time, trigger plate promotion trigger bar is gone upward after the rotation, the trigger bar is gone upward after promotion movable hook claw upwards rotatory until movable hook claw with fixed hook claw breaks away from.

Furthermore, a second contact switch is arranged above the fixed claw and is positioned on the rotating path of the movable claw.

Furthermore, the front end part of the movable claw is connected with the fixed claw in a hanging way, and the rear end part of the movable claw is provided with a guide wheel for assisting in rotating.

The beneficial effects of the utility model reside in that: the device is simple and convenient to install electrically, low in cost and reliable in action, ensures the safety reminding of the elevator in the process of opening the hall door, and can be widely applied to the opening protection of elevator maintainers.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic circuit diagram of the first trigger switch and the alarm of the present invention.

Detailed Description

The invention will be described in detail below with reference to an exemplary embodiment shown in the drawings:

as shown in fig. 1-2, the home elevator service personnel hall door opening protection device comprises a hall door lock assembly 1, the hall door lock assembly 1 comprises a lock cylinder 11 installed on a hall door, a trigger plate 12 fixedly connected with the lock cylinder 11, the hall door lock assembly 1 can be unlocked after the trigger plate 12 rotates, the protection device further comprises a first contact switch 2 installed on the hall door and located on a rotating path of the trigger plate 12, and an alarm 3 forming an alarm loop with the first contact switch 2. The alarm 3 includes a buzzer and a flash lamp. The hoistway door lock assembly 1 comprises a movable hook assembly 13 arranged on a hoistway door, and a fixed buckle assembly 14 arranged on a car or another hoistway door, wherein the fixed buckle assembly 14 comprises a fixed hook 15 and a second contact switch 17, the movable hook assembly 13 comprises a movable hook 16 rotationally connected to the hoistway door, and a first elastic member 111 for enabling the movable hook 16 to always have a rotating and hooking trend towards the fixed hook 15, the hoistway door lock assembly 1 comprises an unlocking rod 18 which is slidably arranged on the hoistway door up and down, and a second elastic member 19 for enabling the unlocking rod 18 to always have a moving trend towards the trigger plate 12, the trigger plate 12 rotates upwards to push the trigger rod 10 to move upwards, and the trigger rod 10 moves upwards to push the movable hook 16 to rotate upwards until the movable hook 16 is separated from the fixed hook 15. The second contact switch 17 is arranged above the fixed finger 15, the second contact switch 17 being located in the path of rotation of the movable finger 16. The front end of the movable hook claw 16 is hooked with the fixed hook claw 15, and the rear end thereof is provided with a guide wheel 110 for assisting rotation.

When the triangular key of the hall door is opened, the trigger plate rotates upwards and pushes the trigger rod to move upwards, the trigger rod pushes the movable hook claw to rotate upwards after moving upwards until the movable hook claw is separated from the fixed hook claw, in the process, the trigger plate firstly extrudes the first contact switch, the first contact switch is connected with the alarm, so that acousto-optic reminding is realized, the movable hook claw can trigger the second contact switch in the process of separating from the fixed hook claw, the second contact switch is also connected with the same alarm loop, secondary alarm is realized, the alarm reminding can be timely sent out, and the reminding effect on maintenance personnel is realized.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a protection device is opened to domestic elevator maintainer room door, its includes room door lock subassembly, room door lock subassembly including install the lock core on the room door, with lock core looks fixed connection's trigger plate, can unblock after triggering the plate rotation room door lock subassembly, its characterized in that: the protection device also comprises a first contact switch which is arranged on the hall door and is positioned on the rotating path of the trigger plate, and an alarm which forms an alarm loop with the first contact switch.

2. The home elevator service personnel hall door opening protection device of claim 1, wherein: the hoistway door lock assembly comprises a movable hook claw assembly arranged on the hoistway door and a fixed buckle assembly arranged on a car or another hoistway door, the fixed buckle assembly comprises a fixed hook claw, the movable hook claw assembly comprises a movable hook claw which is rotatably connected to the hoistway door and a first elastic piece which is used for enabling the movable hook claw to always have a tendency of rotating towards the fixed hook claw and hanging, the hoistway door lock assembly comprises an unlocking rod which can slide up and down and is arranged on the hoistway door and a second elastic piece which enables the unlocking rod to always have a tendency of moving towards the direction of the trigger plate, the trigger plate is upwards rotated and then pushes the trigger rod to move upwards, and the trigger rod is upwards rotated and then pushes the movable hook claw to upwards rotate until the movable hook claw is separated from the fixed hook claw.

3. The home elevator service personnel hall door opening protection device of claim 2, wherein: and a second contact switch is arranged above the fixed claw and is positioned on the rotating path of the movable claw.

4. The home elevator service personnel hall door opening protection device of claim 2, wherein: the front end part of the movable claw is connected with the fixed claw in a hanging way, and the rear end part of the movable claw is provided with a guide wheel for assisting in rotating.