KR101875035B1 - Door Closing Prevention Device of Elevator - Google Patents

Door Closing Prevention Device of Elevator Download PDF

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Publication number
KR101875035B1
KR101875035B1 KR1020170021726A KR20170021726A KR101875035B1 KR 101875035 B1 KR101875035 B1 KR 101875035B1 KR 1020170021726 A KR1020170021726 A KR 1020170021726A KR 20170021726 A KR20170021726 A KR 20170021726A KR 101875035 B1 KR101875035 B1 KR 101875035B1
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KR
South Korea
Prior art keywords
door
sensor
cage
door frame
elevator
Prior art date
Application number
KR1020170021726A
Other languages
Korean (ko)
Inventor
김수현
Original Assignee
김수현
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
Publication date
Application filed by 김수현 filed Critical 김수현
Priority to KR1020170021726A priority Critical patent/KR101875035B1/en
Application granted granted Critical
Publication of KR101875035B1 publication Critical patent/KR101875035B1/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
    • B66B13/02—Door or gate operation
    • B66B13/06—Door or gate operation of sliding doors
    • B66B13/08—Door or gate operation of sliding doors guided for horizontal movement
    • 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
    • B66B13/22—Operation of door or gate contacts
    • 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
    • B66B13/26—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers between closing doors
    • 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)
  • Elevator Door Apparatuses (AREA)

Abstract

The present invention provides an elevator door closing prevention device which can prevent a door from being closed by a simple operation and is simple in construction and easy to install and is very convenient to use.
There is provided an apparatus for preventing door closure of an elevator including an outer door provided on each door of each floor and an inner door provided on a cage door frame to be opened and closed together with a sensor for detecting an object on the inner door to prevent the door from being closed And a sensor blocking plate installed in the cage door frame and moving between a closing prevention position for blocking the front of the detection sensor of the inner door and a release position for releasing from the front of the detection sensor, And a hinge that is fixedly installed between the shield plates, and the hinge is freely attached to and detached from the cage door frame by using a magnet.

Description

[0001] The present invention relates to a door closing prevention device for an elevator,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for preventing door closure of an elevator, and more particularly, to a door closing apparatus for an elevator which is opened for a predetermined time and is automatically closed, Prevention device.

2. Description of the Related Art Generally, an elevator is a machine for loading a person or an object in a box-shaped cage and carrying it between the layers of the building up and down. As shown in FIG. 1, the door 1 of each floor is provided with an outer door 2 The cage door frame 3 is provided with an inner door 4 and the outer door 2 is interlocked and opened when the inner door 4 is opened and closed.

The outer door (2) and the inner door (4) are opened for a predetermined time and are set to be closed when a passenger presses the close button or close automatically after a predetermined time elapses without pressing the close button. 2 and the inner door 4 are closed, the door is automatically opened again when the occupant or the object is caught.

The safety device is installed in the inner door 4, and is a non-contact type using a sensing sensor 5 comprising an optical sensor or a proximity sensor as shown in Fig. 1 and a non-contact type using a mechanical movement variation Contact type, and in many cases, a non-contact type and a contact type are used together.

An elevator that is automatically closed when the door is opened for a certain period of time is used to prevent the door from being closed for a necessary period of time when the worker carries the building material up and down the floor, Needs to be. To this end, there is a conventional method of stopping the door opening / closing function by operating the control unit of the elevator. However, there is a problem that the elevator manager has to open and control the control box with the key, and there is a method of continuously depressing the door opening button of the elevator. It is difficult to carry things, and even if there are several people, one person can not work.

Therefore, as shown in FIG. 1, a method of forcibly preventing the closing of the inner door 4 by interposing the wedge 6 between the inner door 4 and the cage door frame 3 is adopted. However, The inner door 4 and the cage door frame 3 can not be easily separated from each other due to the inconvenience that the operation is troublesome and the place for storing the wrench 6 is not enough, There is a disadvantage in that it causes scratches.

An object of the present invention is to provide an elevator door closing prevention device capable of preventing a door from being closed by a simple operation and having a simple structure and being easy to install, .

An apparatus for preventing door closure of an elevator including an outer door provided on each door of a door of each floor and an inner door provided on a door of a cage so as to be opened or closed together with a detection sensor for detecting an object on the inner door to prevent the door from being closed, A sensor blocking plate installed in the cage door frame and moving between a closing preventing position for blocking the front of the detecting sensor of the inner door and a releasing position for releasing from the front of the detecting sensor; A hinge provided between the shield plate and a magnet for freely releasing the hinge to the cage door frame.

Further, in the present invention, when the cage door frame is a non-magnetic body, the door further comprises an iron plate attached to the cage door frame.

In the present invention, the sensor blocking plate is divided into a first blocking portion and a second blocking portion, and the first blocking portion and the second blocking portion are connected to the hinge portion so as to rotate the second blocking portion toward the cage canopy It is characterized by an apparatus for preventing door closure of an elevator.

According to the present invention having the above-described characteristic features, when the elevator is used to transport a material during the construction of a building or to carry a load by moving or moving, the sensor blocking plate installed on the cage door frame is moved from the releasing position to the closing prevention position It is possible to prevent the closing of the door which is automatically closed after a certain time elapses by blocking the front of the detection sensor installed on the door, thereby enabling the door to be kept open. Also, if the sensor blocking plate is moved to the releasing position again, the door normally closes after a predetermined time elapses. In this way, the opening state of the door can be maintained by a simple operation of rotationally moving the sensor blocking plate between the release position and the closing prevention position, which is very convenient to use.

According to the present invention, since the operation of attaching and detaching the hinge provided between the sensor blocking plate and the cage door frame is made by the magnet, it is very convenient to install and remove the sensor blocking plate as needed, When the sensor blocking plate is in the releasing position, one fixing member of the hinge fixed to the sensor blocking plate is attached to the magnet to prevent the flow of the sensor blocking plate.

In addition, according to the present invention, the sensor blocking plate is divided into the first blocking portion and the second blocking portion, and the second blocking portion is configured to be rotated from the unlocking position to the cage canopy side, Only the blocking portion is bent toward the cage door frame so as to come close to the inner surface of the cage door frame so that the sensor blocking plate projects to the inside of the door so as not to obstruct the entrance and exit of the passenger and at the same time, Can be prevented. .

1 is a perspective view of a doorway showing an example of a conventional elevator door closing prevention.
FIG. 2A and FIG. 2B are perspective views showing an entrance of an elevator provided with a door close preventing device according to the present invention;
FIG. 3 is an exploded perspective view illustrating a state in which the door close preventing device according to the present invention is installed. FIG.
4 is a perspective view showing a door closing prevention device according to another embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. As shown in FIGS. 2A, 2B, and 3, the elevator is configured such that the outer door 12 installed on the door frame 11 of each floor and the inner door 14 provided on the cage door frame 13 are opened and closed together, (14) is provided with a detection sensor (15) for detecting an object and preventing the door from being closed to perform a safety function. In such an elevator, the door anti-clogging device 20 of the present invention is installed in the cage door frame 14.

The door closing prevention device 20 includes a sensor blocking plate 21 which moves between a closing prevention position for blocking the front of the detection sensor 15 provided on the inner door 14 and a release position for leaving the front side of the detection sensor 15 And a hinge 22 provided between the sensor blocking plate 21 and the cage door frame 13 so that the sensor blocking plate 21 moves between the closing prevention position and the release position.

The sensor blocking plate 21 may be of a plate shape and may have a thickness capable of keeping the size and shape of the sensor 15 shut off at the closing prevention position and may be made of paper, wood, synthetic resin, fiber, And a material having a structural strength sufficient to maintain the shape.

The hinge 22 has a conventional structure and the sensor blocking plate 21 is attached to the cage door frame 13 at the release position (See FIG. 2A) and the closing prevention position (see FIG. 2B).

At this time, when fixing one of the fixing members of the sensor blocking plate 21 and the hinge 22, it is preferable to securely fix the fixing member with fixing means such as a rivet or a screw, It is preferable that the hinge 22 is freely attached and detached from the door frame 13 by using the magnet 23 having a magnetic force when fixing the piece.

For example, when the cage door frame 13 is made of a non-magnetic material, the iron plate 24 is attached to the cage door frame 13 by using an adhesive, the one fixing piece of the hinge 22 is brought into contact with the iron plate 24, By attaching the hinge 22 to the iron plate 24 by using the magnetic force of the magnet 23.

Although not shown, when a non-magnetic body for preventing damages is installed on the cage door frame 13, after the iron plate 24 is attached to the ash bearing material, the hinge 22 is fixed by using the magnet 23 And when the cage door frame 13 is a magnetic body, the iron plate 24 may be excluded.

According to the present invention having such a configuration, when the elevator is used to transport a material during construction or transportation of a building, the opening state of the door can be kept open for a required period of time, have.

That is, as shown in FIG. 2A, when the sensor blocking plate 21 installed on the cage door frame 13 is in the release position, the door is automatically closed after maintaining the normally open state for a predetermined time. 2B, when the sensor blocking plate 21 is rotated to the closing prevention position to block the front of the detection sensor 15 installed on the inner door 14, It is determined that a human body or an object exists. Thus, the control unit for controlling the opening and closing of the door maintains the open state of the door as it is, so that the operation of moving the object can be continued without the door being closed.

2A, when the sensor blocking plate 21 is rotated to the release position, the presence or absence of an object can be confirmed by the detection sensor 15, The door opening / closing operation can be performed.

As described above, according to the door closing prevention device of the present invention, the opening of the door can be continuously maintained or switched to a normal door opening / closing state by a simple rotation operation of the sensor blocking plate 21,

3, the hinge 22 provided between the sensor blocking plate 21 and the cage door frame 13 is attached to the cage door frame 13 using the magnet 23, It is possible to freely change the installation position of the sensor blocking plate 21 and to use the sensor blocking plate 21 in a manner compatible with other elevators There are advantages to be able to.

4 is a view showing another embodiment of the door closing prevention device according to the present invention in which the sensor blocking plate 21 is connected to the first blocking portion 21a and the second blocking portion 21b from the hinge 22 side toward the horizontal direction end, And a hinge portion 21c is formed between the first blocking portion 21a and the second blocking portion 21b so as to rotate the second blocking portion 21b toward the cage door frame 13 at the unlocking position between the first blocking portion 21a and the second blocking portion 21b. ).

With this configuration, since the second blocking portion 21b of the sensor blocking plate 21 can be rotated toward the cage door frame 13 with respect to the first blocking portion 21a, the sensor blocking plate 21 can be released The second blocking portion 21b can be bent toward the cage door frame 13 to approach the inner surface of the cage door frame 13 so that when the sensor blocking plate 21 is in the release position, It is possible to prevent the occupant from being inconvenienced when the passenger comes in or out by protruding the blocking portion 21b inwardly of the cage and also the sensor blocking plate 21 can be prevented from coming into contact with the cage door frame 13 It is possible to prevent the fixed state from flowing or falling off.

It is to be understood that the embodiments described so far are merely illustrative of the preferred embodiments of the present invention and that the scope of the present invention is not limited to the embodiments described and that those skilled in the art, It will be understood that various modifications, substitutions or substitutions are possible, and such embodiments are within the scope of the present invention.

13: Cage door frame 14: Inner door
15: Detection sensor 20: Door closing prevention device
21: sensor blocking plate 22: hinges
23: magnet 24: iron plate

Claims (3)

An apparatus for preventing door closure of an elevator including an outer door provided on each door of a floor and an inner door provided on a door of a cage so as to be opened and closed together with a detection sensor for detecting an object on the inner door to prevent the door from being closed,
A sensor blocking plate installed in the cage door frame and moving between a closing preventing position for blocking the front of the detecting sensor of the inner door and a releasing position for releasing from the front of the detecting sensor,
A hinge provided between the cage door frame and the sensor blocking plate for movement of the sensor blocking plate,
And a magnet for releasing and releasing the hinge to the cage door frame,
Wherein the sensor blocking plate is divided into a first blocking portion and a second blocking portion and the first blocking portion and the second blocking portion are connected to the hinge portion so as to rotate the second blocking portion toward the cage door frame at the unlocking position. Door closing prevention device. The door closing prevention device for an elevator according to claim 1, further comprising an iron plate attached to the cage door frame when the cage door frame is a non-magnetic body. delete
KR1020170021726A 2017-02-17 2017-02-17 Door Closing Prevention Device of Elevator KR101875035B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020170021726A KR101875035B1 (en) 2017-02-17 2017-02-17 Door Closing Prevention Device of Elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020170021726A KR101875035B1 (en) 2017-02-17 2017-02-17 Door Closing Prevention Device of Elevator

Publications (1)

Publication Number Publication Date
KR101875035B1 true KR101875035B1 (en) 2018-07-06

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KR1020170021726A KR101875035B1 (en) 2017-02-17 2017-02-17 Door Closing Prevention Device of Elevator

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109052124A (en) * 2018-10-12 2018-12-21 浙江威尔金森电梯有限公司 A kind of elevator for cargo transport
KR20210000409U (en) 2019-08-12 2021-02-22 김수현 jamb cover for elevator
KR20210000408U (en) 2019-08-12 2021-02-22 김수현 apparatus for preventing the closing of elevator door

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03129756U (en) * 1990-04-09 1991-12-26
JPH06130192A (en) * 1992-10-16 1994-05-13 Ishikawajima Harima Heavy Ind Co Ltd Radiation light shielding device for particle accelerator
KR200162212Y1 (en) * 1995-12-30 1999-12-01 정몽규 Spare tire cover in a car trunk
JP3129756U (en) * 2006-10-24 2007-03-08 宗隆 越智 Simple elevator door closing control device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03129756U (en) * 1990-04-09 1991-12-26
JPH06130192A (en) * 1992-10-16 1994-05-13 Ishikawajima Harima Heavy Ind Co Ltd Radiation light shielding device for particle accelerator
KR200162212Y1 (en) * 1995-12-30 1999-12-01 정몽규 Spare tire cover in a car trunk
JP3129756U (en) * 2006-10-24 2007-03-08 宗隆 越智 Simple elevator door closing control device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109052124A (en) * 2018-10-12 2018-12-21 浙江威尔金森电梯有限公司 A kind of elevator for cargo transport
KR20210000409U (en) 2019-08-12 2021-02-22 김수현 jamb cover for elevator
KR20210000408U (en) 2019-08-12 2021-02-22 김수현 apparatus for preventing the closing of elevator door
KR200493569Y1 (en) * 2019-08-12 2021-04-23 김수현 apparatus for preventing the closing of elevator door

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