KR101744434B1 - Elevator door derailment prevention device - Google Patents

Elevator door derailment prevention device Download PDF

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Publication number
KR101744434B1
KR101744434B1 KR1020160001197A KR20160001197A KR101744434B1 KR 101744434 B1 KR101744434 B1 KR 101744434B1 KR 1020160001197 A KR1020160001197 A KR 1020160001197A KR 20160001197 A KR20160001197 A KR 20160001197A KR 101744434 B1 KR101744434 B1 KR 101744434B1
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KR
South Korea
Prior art keywords
door
elevator
guide rail
rotating body
elevator door
Prior art date
Application number
KR1020160001197A
Other languages
Korean (ko)
Inventor
서원봉
Original Assignee
서원봉
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Priority to KR1020160001197A priority Critical patent/KR101744434B1/en
Application granted granted Critical
Publication of KR101744434B1 publication Critical patent/KR101744434B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/06—Door or gate operation of sliding doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/30—Constructional features of doors or gates
    • B66B13/301—Details of door sills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/30—Constructional features of doors or gates
    • B66B13/303—Details of door panels
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
    • E05D15/0621—Details, e.g. suspension or supporting guides
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/42—Sliding wings; Details of frames with respect to guiding
    • E06B3/46—Horizontally-sliding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/104—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for elevators

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Elevator Door Apparatuses (AREA)

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an elevator door leaving zone, and more particularly, to an elevator door for an elevator, So as to prevent the elevator door from being deviated by operating the electromagnet module.
The door detachment prevention portion for an elevator according to the present invention comprises a door seal fixedly installed on a floor of an elevator platform and having a longitudinal groove formed at an intermediate portion thereof; A guide rail inserted and fixed in a groove formed in the door seal; A door shoe inserted into the guide rail and connected to the elevator door and moving along the guide rail by an opening and closing operation of the elevator door; A shock sensor installed inside the elevator door and electrically connected to an external power source and detecting an impact applied to the elevator door; And an electromagnet module that is electrically connected to the impact sensor and is disposed inside the guide rail in a state where the door shoe is installed at a lower end of the door shoe and is fixed to both inner surfaces of the guide rail by operation of the impact sensor can do.

Description

{ELEVATOR DOOR DERAILMENT PREVENTION DEVICE}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an elevator door leaving zone, and more particularly, to an elevator door for an elevator, So as to prevent the elevator door from being deviated by operating the electromagnet module.

Generally, an elevator is a means for rapidly and smoothly using an elevator installed inside a building by moving the elevator up and down vertically by driving a hoisting machine and moving the floor between passengers quickly and safely. The installation of the device was essential.

In addition, the elevator provided in the building is provided with an elevator door, which is provided with an elevator door which is opened and closed so that passengers can board the elevator, and a platform door is opened and closed when the elevator arrives and moves.

However, in the conventional elevator door provided in such an elevator, since the lower portion of the elevator door is simply inserted into the guide groove of the rail and inserted into the guide groove, noise due to frequent opening and closing occurs, have.

(Document 1): Korean Patent No. 10-1545996 (registered on August 13, 2015) (Document 2): Korean Registered Utility Model No. 20-0477750 (Registered on July 10, 2015) (Document 3): Korean Patent No. 10-1534677 (registered on July 01, 2015) (Document 4): Domestic Registration No. 10-1453994 (registered on October 16, 2014)

In the present invention, the shock sensor and the electromagnet module are installed in the lower part of the door for an elevator inside the elevator door. By using the electromagnet module in the elevator door, when the impact is applied to the elevator door, the shock sensor detects the electromagnet module and prevents the derailment of the elevator door And a door releasing zone for the elevator.

In addition, the present invention provides a door detachment chamber for an elevator which can prevent the elevator door from moving by striking and pressing the inner surface of the guide rail during operation of the electromagnet module by using a striking portion and a pressing portion provided in the electromagnet module .

The various problems to be solved by the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

The door detachment prevention portion for an elevator according to the present invention comprises a door seal fixedly installed on a floor of an elevator platform and having a longitudinal groove formed at an intermediate portion thereof; A guide rail inserted and fixed in a groove formed in the door seal; A door shoe inserted into the guide rail and connected to the elevator door and moving along the guide rail by an opening and closing operation of the elevator door; A shock sensor installed inside the elevator door and electrically connected to an external power source and detecting an impact applied to the elevator door; And an electromagnet module that is electrically connected to the impact sensor and is disposed inside the guide rail in a state where the door shoe is installed at a lower end of the door shoe and is fixed to both inner surfaces of the guide rail by operation of the impact sensor can do.

Wherein the electromagnet module is formed in a rectangular shape so that a front surface and a rear surface of the electromagnet module are opened and a door is fixed to a lower end of the door shoe; A first rotating body axially coupled to the fixed shaft formed inside the frame so as to be rotatable and having a first striking part at one end; A second rotating body which is axially coupled to be rotatable on another fixed shaft spaced apart from the first rotating body and has a second striking portion on the other end in a direction opposite to the first striking portion; A torsion spring coupled to the fixed shaft and rotating the first and second rotators about a center of the fixed shaft; A first magnetic pole portion fixedly attached to one side of the first rotating body and electrically connected to the impact detection sensor; And a second magnetic-pole portion fixedly attached to the other side of the second rotating body and electrically connected to the impact-detecting sensor, wherein the first magnetic-pole portion and the second magnetic- It is possible to keep the state of sticking each other so as to have magnetism.

The first rotating body may include a first pressing portion that is fixedly attached to an inclined surface formed on the opposite side of the first magnetic pole portion and has concave and convex portions formed on the outer side surface thereof.

The first striking part may be formed of triangular or quadrangular truncated cones and may be made of iron or copper having a high density so as to be stuck on both inner sides of the guide rails.

The details of other embodiments are included in the detailed description and drawings.

According to the present invention, there is provided an elevator door release preventing elevator for an elevator, wherein an impact sensor and an electromagnet module are installed in the lower part of a door for an elevator inside the elevator door, There is an effect of preventing the door from being deviated.

Further, according to the present invention, it is possible to prevent the door of the elevator door from moving by striking and pressing the inner surface of the guide rail during operation of the electromagnet module by using the striking portion and the pressing portion provided in the electromagnet module .

It will be appreciated that embodiments of the technical idea of the present invention can provide various effects not specifically mentioned.

1 is a view showing a state in which a door separation barrier for an elevator according to the present invention is installed.
FIG. 2 is a perspective view of a door release barrier for an elevator according to the present invention. FIG.
Fig. 3 is a front view of a door detachment support for an elevator according to the present invention; Fig.
4 is a plan view of a door release barrier for an elevator according to the present invention.
5 is a view illustrating a state in which the door separation barrier for elevator according to the present invention is operated.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and how to accomplish them, will become apparent by reference to the embodiments described in detail below with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Rather, the embodiments disclosed herein are provided so that the disclosure can be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the thicknesses of layers and regions are exaggerated for clarity.

Terms such as top, bottom, top, bottom, or top, bottom, etc. are used to distinguish relative positions in components. For example, in the case of naming the upper part of the drawing as upper part and the lower part as lower part in the drawings for convenience, the upper part may be named lower part and the lower part may be named upper part without departing from the scope of right of the present invention .

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, the terms "comprises", "having", and the like are used to specify that a feature, a number, a step, an operation, an element, a part or a combination thereof is described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning in the context of the relevant art and are to be construed as ideal or overly formal in meaning unless explicitly defined in the present application Do not.

In the following description, it is assumed that the door detachment stopper for an elevator according to the present invention is used for an elevator door of an elevator. However, the technical idea of the present invention is not limited to the elevator door, It can be used in various doors and used equally.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of a door release barrier for an elevator according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a perspective view of a door releasing station for an elevator according to the present invention. FIG. 3 is a side view of the door releasing station for an elevator according to the present invention. FIG. 4 is a plan view of a door releasing station for an elevator according to the present invention, and FIG. 5 is a view showing a state in which a door releasing station for an elevator according to the present invention is operated.

Referring to FIGS. 1 to 5, the elevator door detachment structure for an elevator according to the present invention prevents an elevator door 100 from being released by an external impact or an external pressure when the elevator door 100 is opened or closed, A door seal 200 installed on a bottom surface of a platform where an elevator is installed, a guide rail 300 inserted and fixed in a groove formed in the door seal 200, A door shoe 400 moving along the rail 300, an electromagnet module 500 provided at a lower portion of the door shoe 400, and a shock detection sensor 600 installed and fixed inside the elevator door 100. have.

The door seal 200 is installed on the floor of the platform or the floor of the platform where the elevator is installed. The door seal 200 may be provided for guiding the entrance doors of the platform or the doors of the platform.

The guide rail 300 is inserted into the groove formed in the door seal 200 and may be provided to prevent the elevator door 100 from being detached. The guide rail 300 may be formed in the shape of a rectangular frame with a part of the upper portion thereof opened in the longitudinal direction and formed with a latching protrusion.

The door shoe 400 may be formed of an iron plate having a predetermined thickness and may have a slot so as to be fastened and fixed to a bracket provided inside the elevator door 100 with bolts and nuts. The door shoe 400 may be provided to guide the elevator door 100 to be moved along the guide rail 300.

The electromagnet module 500 is electrically connected to the impact sensor 600. The electromagnet module 500 receives an electric signal by a power source provided from an external power source to have magnetism. When the electric signal is removed, It is possible to prevent the elevator door 100 from being detached from the guide rail 300 by hitting the side surface and restrict the movement of the elevator door 100. The electromagnet module 500 may include a frame 510, a fixed shaft 520, a first rotating body 530, a second rotating body 540, a torsion spring 550, and a fixing table 560.

The frame 510 is located inside the guide rail 300 and is formed so that the front and rear surfaces of the square shape are opened and fixed to the lower portion of the door shoe 400.

On the other hand, the opened front and rear surfaces of the frame 510 can be defined as directions in which the inner surfaces of the guide rails 300 are opposed to each other.

The fixed shaft 520 is formed as a cylindrical column and is fixed between the bottom surface and the ceiling surface of the frame 510 and may be formed as a pair spaced apart from each other by a predetermined distance from the center of the frame 510 have.

The first rotating body 530 is fastened to the pair of fixed shafts 520 and the second rotating body 540 is fastened to the other fixed shaft 520 so that the center axis of the fixed shaft 520 And may be provided so as to be rotated within a certain range by reference.

The first rotating body 530 is coupled to the fixed shaft 520 and is rotatable with respect to the center of the fixed shaft 520 by the torsion spring 550. The first rotating body 530 is configured to strik and pressurize the inner both surfaces of the guide rail 300, . The first rotating body 530 may include a first striking portion 531, a first pressing portion 532, and a first magnetic pole portion 533. [

The first striking part 531 is formed in a triangular or quadrangular conical shape and is fixed to the front side of the first rotating body 530. The pointed part of the first striking part 531 is fixed to the guide rail 300 to prevent the electromagnet module 500 from being separated from the guide rail 300 or being moved by an external force.

That is, when the first rotating body 530, which receives the momentary force by the torsion spring 550, is rotated, the pointed portion formed on the first hitting portion 531 is struck while hitting the inner front surface of the guide rail 300 So that the first striking portion 531 is caught on the inner front surface of the guide rail 300.

The first pressing portion 532 is fixedly attached to an inclined surface formed on the rear side of the first rotating body 530, and a concavity and convexity 534 having a pointed end may be formed on the outer side surface.

When the first pressing portion 532 attached to the first rotating body 530 rotates, the inner side of the guide rail 300 is tilted to the rear side of the first rotating body 530, And can be brought into close contact with the rear surface in a horizontal state.

That is, as the first pressing portion 532 becomes larger in surface contact with the inner rear surface of the guide rail 300, the irregularities 534 are pressed against the inner rear surface of the guide rail 300 to be firmly pressed.

The first magnetic pole part 533 is fixed to the other side of the first rotating body 530 in front and is electrically connected to the impact sensing sensor 600. The magnetic sensing part 600 generates magnetic force .

That is, the first magnetic-pole part 533 receives an external power source through an impact sensor 600 and receives the electric signal as an electric signal to maintain the magnetism. When the electric signal provided by the impact sensor 600 is blocked The magnetism of the first magnetic-pole portion 533 is removed.

The second rotating body 540 is coupled to the other fixed shaft 520 formed on the frame 510 and rotatable about the center of the fixed shaft 520 by the torsion spring 550, 300 so that the electromagnet module 500 is more firmly fixed to the inside of the guide rail 300. The second rotating body 540 may include a second striking portion 541, a second pressing portion 542, and a second magnetic pole portion 543.

The second striking part 541 is formed in the same shape as the first striking part 531 and fixed to the other side of the second rotating body 540 at the rear side. It may be provided to prevent the electromagnet module 500 from being separated from the guide rail 300 or being moved by an external force by hitting the inner rear surface of the guide rail 300.

That is, when the second rotating body 540 which receives the instantaneous force by the torsion spring 550 is rotated, the pointed portion formed on the second hitting portion 541 is struck while hitting the inner rear surface of the guide rail 300 So that the second striking portion 541 is caught by the inner rear surface of the guide rail 300.

The first striking part 531 and the second striking part 541 are preferably made of metal such as iron or copper having a density higher than that of the guide rail 300.

For example, the guide rail 300 is made of a material such as aluminum having a low density, and has a first striking portion 531 and a second striking portion 541 made of a material such as iron or copper having a higher density than aluminum When both sides of the inner side of the guide rail 300 are struck by using the pointed portions of the first striking portion 531 and the second striking portion 541, both sides of the inner side of the guide rail 300 are simultaneously 1 striking part 531 can be fixed to the inner surface of the guide rail 300. [

The second pressing portion 542 is attached and fixed to an inclined surface formed on the front side of the second rotating body 540, and a concavity and convexity 534 having a pointed end may be formed on the outer side surface.

On the other hand, the configuration and principle of the second pressing portion 542 are the same as those of the first pressing portion 532, and the description of the first pressing portion 532 will be referred to for a detailed description.

The second magnetic pole portion 543 is fixedly attached to a rear side of the second rotating body 540 so as to face the first magnetic pole portion 533 and is electrically connected to the impact sensing sensor 600, The magnetic field can be made to have magnetism by an electric signal transmitted from the antenna.

The first magnetic-pole portion 533 or the second magnetic-pole portion 543 is continuously transmitted by an electric signal to the first magnetic-pole portion 533 or the second magnetic-pole portion 543, The first magnetic-pole portion 533 and the second magnetic-pole portion 543 are held in a state where they are stuck to each other, and when the electric signal transmitted from the impact-sensing sensor 600 is blocked , And the first magnetic-pole portion 533 and the second magnetic-pole portion 543 are separated from each other by the torsion spring 550.

The torsion springs 550 may be coupled to the fixed shaft 520 formed on the frame 510 and the other fixed shaft 520 to be equally applicable to the first rotating body 530 and the second rotating body 540 However, the present invention will be described in a state where it is coupled to the first rotating body 530 for convenience.

One end of the torsion spring 550 is supported on the front surface of the first rotating body 530 and the other end is fixed to the fixing table 560 formed on the frame 510. The first rotating body 530 is pressed And may be provided for rotating by force.

For example, when the first magnetic-pole portion 533 and the second magnetic-pole portion 543 are in contact with each other, the torsion spring 550 is in a compressed state and the first magnetic-pole portion 533 And the second magnetic-pole portion 543 are removed, the torsion spring 550 is stretched in a compressed state, and the first rotating body 530 can be rotated with an instantaneous force. Particularly, when the first rotating body 530 is rotated by the torsion spring 550, the first striking part 531 is struck on the front surface of the guide rail 300, and the first pressing part 532 is struck by the guide rail 300 and the concavities and convexities 534 are in close contact with the rear portion of the guide rail 300. [

The shock sensor 600 may be installed inside the elevator door 100 and may be provided to sense an impact or a pressure applied to the elevator door 100.

The shock sensor 600 is electrically connected to the electromagnet module 500 and supplies power received from the outside to the electromagnet module 500. When an impact is applied to the elevator door 100, The electric signal to be transmitted, that is, the power supply can be cut off.

For example, when external power is normally transmitted to the electromagnet module 500 through the shock sensor 600 and the shock of the elevator door 100 is applied to the shock sensor 600, the electromagnet module 500 is cut off.

When the electric signal is transmitted to the electromagnet module 500 via the impact sensor 600, the first magnetic pole part 533 and the second magnetic pole part 543 are magnetized so that the first magnetic pole part 533 and the second magnetic pole part 543 are magnetized. The first rotating body 530 and the second rotating body 540 are held in a horizontal state inside the frame 510 and the impact sensor 600 detects the impact applied to the elevator door 100 The electric signal transmitted to the electromagnet module 500 is cut off so that the first magnetic pole part 533 and the second magnetic pole part 543 are magnetically removed. At this time, when the magnetic force is removed from the first magnetic pole part 533 and the second magnetic pole part 543, the torsion spring 550 in a compressed state is pulled and the first rotating body 530 and the second rotating body 540, Is rotated by an instantaneous force.

The first pressing portion 532 and the second pressing portion 532 provided in the first rotating body 530 and the second pressing portion 532 provided in the second rotating body 540 are rotated by the torsion spring 550, The first pressing portion 541 and the second pressing portion 542 strike both inner surfaces of the guide rail 300. At this time, the first hitting portion 531 and the second hitting portion 541 are fixed to both inner sides of the guide rail 300, and the first pressing portion 532 and the second pressing portion 542 are fixed to the concave and convex 534 so as to be closely fixed to both inner surfaces of the guide rail 300.

When the first striking part 531 and the first striking part 532 and the second striking part 541 and the second striking part 542 are struck and pressed on both inner surfaces of the guide rail 300, The elevator door 100 can not move and the electromagnet module 500 is fixed to the inside of the guide rail 300 even if a continuous external impact is applied to the elevator door 100. Therefore, have.

In addition, a warning sound output unit (not shown) may be connected to the electromagnet module 500 operated by the shock sensor 600 so that a warning sound is output. That is, even if an electric signal is applied again to the electromagnet module 500 once operated, since the first magnetic-pole portion 533 and the second magnetic-pole portion 543 are separated from each other, they can not be returned to the initial state, The elevator door 100 must be removed and replaced with a new one. At this time, when the elevator door 100 is impacted and the electromagnet module 500 is activated, a warning sound is output to inform the outside.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood that the invention may be practiced. It is therefore to be understood that one embodiment described above is illustrative in all aspects and not restrictive.

10; Elevator door 200; Door seal
300; Guide rails 400; Door shoe
500; An electromagnet module 510; frame
520; A fixed shaft 530; First Whole
531; A first striking part 532; The first pressing portion
533; A first magnetic-pole portion 534; Unevenness
540; A second rotator 541; The second striking part
542; A second pressing portion 543; The second magnetic-
550; A torsion spring 560; Fixture
600; Shock sensor

Claims (4)

A door seal fixed to the floor of the elevator platform and formed with a longitudinal groove in the middle;
A guide rail inserted and fixed in a groove formed in the door seal;
A door shoe inserted into the guide rail and connected to the elevator door and moving along the guide rail by an opening and closing operation of the elevator door;
A shock sensor installed inside the elevator door and electrically connected to an external power source and detecting an impact applied to the elevator door; And
And an electromagnet module that is electrically connected to the impact sensor and is disposed inside the guide rail in a state where the door shoe is installed at a lower end of the door shoe and is fixed to both inner surfaces of the guide rail by operation of the impact sensor. And a door-opening-and-closing door for the elevator. The method according to claim 1,
The electromagnet module includes:
A frame which is formed in a rectangular shape so that a front surface and a rear surface are opened and is fixed to a lower end of the door shoe and is located inside the guide rail;
A first rotating body axially coupled to the fixed shaft formed inside the frame so as to be rotatable and having a first striking part at one end;
A second rotating body which is axially coupled to be rotatable on another fixed shaft spaced apart from the first rotating body and has a second striking portion on the other end in a direction opposite to the first striking portion;
A torsion spring coupled to the fixed shaft and rotating the first and second rotators about a center of the fixed shaft;
A first magnetic pole portion fixedly attached to one side of the first rotating body and electrically connected to the impact detection sensor; And
And a second magnetic pole portion fixedly attached to the other side of the second rotating body and electrically connected to the impact detection sensor,
Wherein the first magnetic-pole portion and the second magnetic-pole portion are magnetized by an electric signal transmitted to the impact-sensing sensor, so that the state of sticking to each other is maintained. 3. The method of claim 2,
Wherein the first rotating body includes:
And a first pressing part fixedly attached to an inclined surface formed on an opposite side of the first magnetic pole part and having a concave and convex tip at an outer side surface thereof. delete
KR1020160001197A 2016-01-05 2016-01-05 Elevator door derailment prevention device KR101744434B1 (en)

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KR1020160001197A KR101744434B1 (en) 2016-01-05 2016-01-05 Elevator door derailment prevention device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11459211B2 (en) * 2020-06-25 2022-10-04 Otis Elevator Company Narrow groove elevator doorsill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11459211B2 (en) * 2020-06-25 2022-10-04 Otis Elevator Company Narrow groove elevator doorsill

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