KR20200021109A - Apparatus for keeping emergency escape ladder used in elevator - Google Patents

Abstract

The present invention relates to an apparatus for storing a foldable ladder provided in an elevator car in preparation for emergency such as a failure of an elevator. According to one embodiment of the present invention, the apparatus for storing an elevator ladder for emergency may comprise: a ladder enclosure including a door frame including the front wall and a ladder opening for entry and exit of the foldable ladder; a ladder support formed under ladder storage space; and a ladder storage bracket folded for stopping with respect to the entry of the foldable ladder.

Description

Emergency elevator ladder storage device {APPARATUS FOR KEEPING EMERGENCY ESCAPE LADDER USED IN ELEVATOR}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an emergency elevator ladder storage device, and more particularly, to an apparatus for storing a folding ladder provided inside an elevator car in preparation for an emergency situation such as a breakdown of an elevator.

An elevator facility corresponds to a moving means for moving occupants, vehicles, and cargo in an elevator car along an elevator track formed vertically in an interior of a building structure to move between floors. Here, the hoistway corresponds to an elevator-only path in which at least one elevator car and counterweight (or counterweight) are lifted and completely separated by sufficient space so as to be completely enclosed or inaccessible to walls, floors and ceilings. In general, an emergency call device and an emergency exit door are provided inside the elevator car in preparation for an emergency situation such as an elevator failure, and an emergency speaker is provided outside the elevator car.

In addition, according to the Ministry of Public Administration and Security Notice No. 2012-14, the emergency elevator means that firefighters trapped in the elevator car can escape on their own (i.e. self-escape means from the inside of the elevator car). It shall be designed to fully open and exit the emergency exit door using the following appropriate footrest, and the footrest installed inside the elevator car shall be able to withstand a load of 1,200 N. In particular, when using a ladder as a means of self-escape from the inside of an elevator car, it should be designed so that the ladder is located in a safe place of the car and the effective horizontal distance between the footrest of the ladder and the vertical wall is kept more than 0.1m.

Korean Patent Publication No. 10-0873165 (2008.12.03) relates to a lift prevention device for an elevator landing door, a guide rail provided with a locking member and an elevator landing door provided with a locking member in a longitudinal direction to a guide rail of a guide seal. The lock member is installed in the rail groove formed in the elevator platform door lock prevention device consisting of a locking member installed in the lower portion of the landing door to be locked to the locking member when the landing door is closed, the locking member is the rail groove of the An opening is formed in a longitudinal direction and includes a top plate spaced apart from a bottom surface of the rail groove, and the locking member includes a vertical portion inserted into the opening and a protrusion formed at a lower end of the vertical portion than a width of the opening. .

Korean Laid-Open Patent Publication No. 10-2017-0010488 (2017.02.01) relates to a folding emergency ladder for a stacked elevator, and a pair of ladder members foldable in different directions and one of the pair of ladder members Is provided on the ladder member includes a connector for stacking and connecting the ladder members, the ladder member is a pair of vertical frame having a receiving groove therein, a plurality of hinged at regular intervals between the pair of vertical frame It is formed at the bottom of the stepping rack and the stepping rack, and includes a stopper that is in close contact with the inner wall of the vertical frame so that the hinge rotation in only one direction when the stepping rack is horizontal.

Korea Patent Publication No. 10-0873165 (2008.12.03) Korean Unexamined Patent Publication No. 10-2017-0010488 (2017.02.01)

One embodiment of the present invention is to provide an emergency elevator ladder storage device that is provided inside the elevator car in preparation for an emergency situation such as failure of the elevator.

One embodiment of the present invention is to provide an emergency elevator ladder storage device that can pull in and out the folding ladder to the side through the door frame including the ladder opening for the entry and withdrawal of the folding ladder.

One embodiment of the present invention is to provide an emergency elevator ladder storage device corresponding to a part of the surface facing the elevator disengagement direction of the elevator car door pocket for entering and withdrawing the elevator car door according to the opening and closing of the elevator car door.

One embodiment of the present invention is to provide an emergency elevator ladder storage device that can prevent the departure of the folding ladder through the escape prevention guide formed to protrude from side to side at the time of entry and withdrawal of the folding ladder.

Among the embodiments, the emergency elevator ladder storage device includes a ladder enclosure including a front wall facing the elevator disengagement direction and a door frame including a ladder opening bent and extended with the front wall and for opening and withdrawing the folding ladder. A ladder support formed in a lower portion of the ladder storage space formed through the opening to support the folding upright of the folding ladder, and formed in the ladder storage space and formed along the entry direction of the folding ladder on the side of the opening; It includes a bent ladder storage bracket for stopping about retraction.

The emergency elevator ladder storage device may arrange the door frame in the direction of the doorway of the elevator.

The emergency elevator ladder storage device may be installed to replace a portion of the surface of the elevator car door pocket for entering and withdrawing the elevator car door in the elevator car door according to the elevator car door opening and closing according to the elevator car door opening and closing.

The ladder enclosure may include an opening cover including protrusions formed along left and right circumferences of the ladder opening.

The ladder support may include a departure prevention guide that protrudes from the left and right in the pulling direction of the folding ladder to prevent the departure of the folding ladder.

The ladder storage bracket may be composed of a plurality of brackets arranged at regular intervals along the height direction of the folding ladder.

The disclosed technique can have the following effects. However, since a specific embodiment does not mean to include all of the following effects or only the following effects, it should not be understood that the scope of the disclosed technology is limited by this.

Emergency elevator ladder storage device according to an embodiment of the present invention can provide an emergency elevator ladder storage device is provided in the elevator car in preparation for an emergency situation, such as failure of the elevator.

Emergency elevator ladder storage device according to an embodiment of the present invention can provide an emergency elevator ladder storage device that can enter and withdraw the foldable ladder to the side through a door frame including a ladder opening for the entry and withdrawal of the foldable ladder. have.

Emergency elevator ladder storage device according to an embodiment of the present invention is an emergency elevator ladder corresponding to a part of the surface facing the elevator disengagement direction of the elevator car door pocket for entering and withdrawing the elevator car door in accordance with the opening and closing of the elevator car door of the elevator. A storage device can be provided.

Emergency elevator ladder storage device according to an embodiment of the present invention can provide an emergency elevator ladder storage device that can prevent the escape of the folding ladder through the escape prevention guide formed to protrude from side to side at the time of entry and withdrawal of the folding ladder. have.

1 is a perspective view showing an emergency elevator ladder storage device according to an embodiment of the present invention.
Figure 2 is an enlarged perspective view of a ladder enclosure of the emergency elevator ladder storage device according to an embodiment of the present invention.
Figure 3 is an enlarged perspective view of the ladder support of the emergency elevator ladder storage device according to an embodiment of the present invention.
Figure 4 is an enlarged perspective view of the ladder storage bracket of the emergency elevator ladder storage device according to an embodiment of the present invention.
5 is a view showing the emergency elevator ladder storage device according to an embodiment of the present invention.
6 is a view showing a folding ladder stored in the emergency elevator ladder storage device according to an embodiment of the present invention.

Description of the present invention is only an embodiment for structural or functional description, the scope of the present invention should not be construed as limited by the embodiments described in the text. That is, since the embodiments may be variously modified and may have various forms, the scope of the present invention should be understood to include equivalents for realizing the technical idea. In addition, the objects or effects presented in the present invention does not mean that a specific embodiment should include all or only such effects, the scope of the present invention should not be understood as being limited thereby.

On the other hand, the meaning of the terms described in the present application should be understood as follows.

Terms such as "first" and "second" are intended to distinguish one component from another component, and the scope of rights should not be limited by these terms. For example, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

When a component is referred to as being "connected" to another component, it should be understood that there may be other components in between, although it may be directly connected to the other component. On the other hand, when a component is referred to as being "directly connected" to another component, it should be understood that there is no other component in between. On the other hand, other expressions describing the relationship between the components, such as "between" and "immediately between" or "neighboring to" and "directly neighboring", should be interpreted as well.

Singular expressions should be understood to include plural expressions unless the context clearly indicates otherwise, and the terms "comprise" or "having" include, but are not limited to, features, numbers, steps, operations, components, parts or parts thereof implemented. It is to be understood that the combination is intended to be present and does not exclude in advance the possibility of the presence or addition of one or more other features or numbers, steps, actions, components, parts or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. The terms defined in the commonly used dictionary should be interpreted to coincide with the meanings in the context of the related art, and should not be interpreted as having ideal or excessively formal meanings unless clearly defined in the present application.

1 is a perspective view showing an emergency elevator ladder storage device according to an embodiment of the present invention.

1 shows an emergency elevator ladder storage device 100 includes a ladder enclosure 110, a ladder support 120 and a front wall 111, a door frame 113, a ladder opening 115, and a ladder opening cover 117. A ladder storage bracket 130.

The ladder enclosure 110 provides a space for storing the folding ladder 10 including a front wall 111 and a front door 111 bent and extended with respect to the elevator off direction. More specifically, the ladder enclosure 110 is bent at one end of the front wall 111 and the front wall 111 disposed in parallel with the elevator car door, from the viewpoint of the person trying to get off the inside of the elevator car. Including a door frame 113 to form a width to provide a space for storing the folding ladder 10 is provided in the elevator car in case of emergency such as failure of the elevator.

Ladder support 120 is formed at the bottom of the ladder storage space corresponds to the means for supporting the folded upright of the folding ladder (10). More specifically, the ladder support 120 is a front wall 111 and the front wall 111 does not touch the floor folded foldable ladder 10 stored in the lower part of the ladder storage space formed of the door frame 113 is extended and bent. As a means for supporting, so as to be coupled to the lower end of the inner wall of the front wall 111 and the door frame 113, respectively. Therefore, the ladder support 120 may determine the height of the ladder storage space according to the installation position.

The ladder storage bracket 130 is formed along the inlet direction of the foldable ladder 10 in the ladder storage space and corresponds to the stopping means bent for stopping with respect to the inlet of the foldable ladder 10. More specifically, the ladder storage bracket 130 is a front wall 111 and the front wall 111 so as not to collapse the folded ladder 10 stored in the side of the ladder storage space formed by the door frame 113 extended by bending. As a means for supporting, the inner wall of the front wall 111 and the door frame 113 is coupled to each other and installed. Accordingly, the ladder storage bracket 130 may determine the depth of the ladder storage space according to the bent point for stopping.

Figure 2 is a plan view showing an emergency elevator ladder storage device according to an embodiment of the present invention.

In FIG. 2, the emergency elevator ladder storage device 100 may store the folding ladder 10 in a storage space formed inside the door frame 113 which is bent and extended with the front wall 111 and the front wall 111. The folding ladder 10 may be pulled in and out through the ladder opening 115 formed on the door frame 113, and the ladder opening 115 may be implemented in a structure that can be opened and closed through the ladder opening cover 117.

Here, the foldable ladder 10 may correspond to a foldable emergency ladder for a stacked elevator formed by hinged at a predetermined interval between the pair of ladder members and the vertical frame to fold in different directions to provide a stepping to the user. . In addition, the folding ladder 10 may correspond to the folding ladder 10 of various types that are implemented using known techniques such as a folding vertical ladder, a folding slope ladder and a folding ladder.

In one embodiment, the emergency elevator ladder storage device 100 is formed along a retracting direction of the foldable ladder 10 in the ladder storage space and is a ladder as a stopping means bent for stopping regarding the retraction of the foldable ladder 10. The storage bracket 130 may be formed as a bracket having a U-shaped shape coupled with the door frame 113. In more detail, the ladder storage bracket 130 extends in various lengths along the width of the folding ladder 10 from the left and right of the ladder opening 115 along the entry direction of the folding ladder 10 to increase the depth of the ladder storage space. You can decide.

3 is an enlarged perspective view of the ladder enclosure of FIG. 1.

Referring to FIG. 3, the ladder enclosure 110 includes a front wall 111, a door frame 113, and a ladder opening cover 117.

The ladder enclosure 110 is bent from one end of the front wall 111 and the front wall 111 arranged side by side with the elevator car door from the viewpoint of the person trying to get off the platform inside the elevator car to form a predetermined width. A folding ladder provided inside the elevator car in preparation for an emergency situation such as a breakdown of an elevator, including a ladder opening 115 formed on the door frame 113 for the entrance and withdrawal of the door frame 113 and the folding ladder 10. 10) It can provide a space for storing.

In one embodiment, the ladder enclosure 110 may include a ladder opening cover 117 in the form of a flat plate formed along the left and right circumference of the ladder opening 115 to be properly inserted into the ladder opening 115. Here, the ladder opening cover 117 is a means for preventing the stored folding ladder 10 from being separated regardless of the bar situation, the ladder opening 115 through the standard triangular key for the elevator in accordance with the emergency lift inspection criteria. It can be implemented to be combined with and separated from.

In one embodiment, ladder enclosure 110 may be manufactured by extrusion using a metal having excellent machinability. Here, the extrusion process is to put aluminum (Al), copper (Cu), magnesium (Mg), lead (Pb) and billet (Billet) consisting of these alloys in a container in a high plasticity state, or by hydraulic or impact It applies a strong pressure to the ram (Ram) and pushes through the die orifice (Die Orifice) to form into a cross-section and tubular material.

In addition, the ladder enclosure 110 may be nickel plated to improve designability after being molded through aluminum extrusion. Nickel plating is a ladder opening formed on the door frame 113 for the entrance and withdrawal of the front frame 111, the door frame 113 and the folding ladder 10 to be bent at one end of the front wall 111 to form a predetermined width Corresponding to the process of depositing a thin nickel layer on the ladder opening cover 117 coupled to 115. The ladder enclosure 110 may improve corrosion resistance, wear resistance, strength, and ductility through nickel plating.

In one embodiment, the ladder enclosure 110 may be implemented by laser marking techniques on the front wall 111 to include phrases and pictograms that intuitively indicate emergency elevator ladder storage. Here, the laser marking technique intuitively represents the emergency elevator ladder storage on the front wall 111 disposed in parallel with the elevator car door by using the principle of intaglio etching in different forms on the material surface according to the wavelength and energy of the light. Corresponds to the process of engraving phrases and pictograms.

4 is an enlarged perspective view of the ladder support 120 of FIG.

In FIG. 4, the ladder supporter 120 does not touch the floor with the folding ladder 10 stored at the bottom of the ladder storage space formed by the front wall 111 and the front wall 111 bent and extended to the door frame 113. As a means for supporting, the front wall 111 and the lower end of the inner wall of the door frame 113 are installed in combination.

In one embodiment, the ladder support 120 may determine the height of the ladder storage space through height adjustment. In more detail, the ladder support 120 is installed to be adjusted to the height of the folding ladder 10 is folded and stored to store the folding ladder of the required height according to the structure of the elevator facility, and also folding ladder 10 It can be installed to store at a height convenient to draw and withdraw.

In one embodiment, the ladder support 120 may be implemented to include a departure prevention guide 410 to protrude to the left and right in the direction of the ladder to prevent the departure of the folding ladder. More specifically, the ladder support 120 is formed extending from the bottom of the ladder opening 115. In addition, the ladder support 120 extends from the ladder opening 115 or the door frame 113 under the ladder opening 115 and protrudes to the left and right in the pulling direction of the folding ladder 10 so as to be pulled out when the folding ladder 10 is pulled in and pulled out. It may be implemented to include a departure prevention guide 410 to prevent and guide the pulling and withdrawal direction.

In one embodiment, ladder support 120 may be implemented via a slide rail. The slide rail includes a rotary contact movement for finite linear motion of the inner rail, the outer rail, and the folding ladder 10 that is drawn in and drawn out, including a row of balls between the inner rail and the outer rail. Corresponds to the means. Ladder support 120 can move the foldable ladder 10 with less force through the slide rail and can be securely withdrawn by fixing the foldable ladder 10 in the withdrawn position.

FIG. 5 is an enlarged perspective view of the ladder storage bracket of FIG. 1. FIG.

In FIG. 5, the ladder storage bracket 130 supports the front wall 111 and the folding ladder 10 stored at the side of the ladder storage space formed by the door frame 113 which is bent and extended with the front wall 111 so as not to fall down. As a means for coupling to the inner wall of the front wall 111 and the door frame 113, respectively.

In one embodiment, the ladder storage bracket 130 may determine the depth of the ladder storage space according to the bent point for stopping. More specifically, the ladder storage bracket 130 is adapted to fit the width of the folding ladder 10 is folded and stored by the storage to fully accommodate the folding ladder 10 of the required width according to the structure of the elevator facility Space can be provided and unnecessary storage space can be limited.

In one embodiment, the ladder storage bracket 130 may be composed of a plurality of brackets arranged at regular intervals along the height direction of the folding ladder (10). Here, the brackets are L-type brackets arranged at regular intervals, and the ladder is coupled to the front wall 111 and the front wall 111 by bending the door frame 113 extended to the inner wall stop, respectively. Corresponds to the means of limiting the depth of space.

6 is a view showing the emergency elevator ladder storage device according to an embodiment of the present invention.

In FIG. 6, the emergency elevator ladder storage device 100 arranges the door frame 113 in the direction of the entrance and exit of the elevator, and moves the elevator car door pocket in the elevator riding direction of the elevator car door pocket to draw in and withdraw the elevator car door according to the opening and closing of the elevator car door. It is installed by replacing some of the opposing faces, which has the effect of minimizing the space required for installation, withdrawal and withdrawal.

In one embodiment, the emergency elevator ladder storage device 100 arranges the door frame 113 of the ladder enclosure 110 in the direction of the doorway of the elevator to cover the area borrowed by the emergency elevator ladder storage device 100 from the inside of the elevator car. Can be reduced.

For example, in the case of an elevator car in which an input panel for controlling an elevator is formed on the left side, the emergency elevator ladder storage device 100 is installed to face the elevator riding direction from a corresponding opposite side with the input panel and the entrance of the elevator interposed therebetween. By arranging the 113 in the direction of the doorway of the elevator, it is possible to secure a space necessary for withdrawing the folding ladder 10.

For another example, in the case of an elevator car having an input panel for controlling the elevator on the right side, the emergency elevator ladder storage device 100 is installed to face the elevator riding direction from a corresponding opposite side between the input panel and the doorway of the elevator. The door frame 113 may be disposed in the direction of the entrance and exit of the elevator to secure a space required for withdrawing the folding ladder 10.

Therefore, the emergency elevator ladder storage device 100 is a door frame 113 of the ladder enclosure 110 is arranged in the direction of the doorway of the elevator, even if the width of the opposite direction to the doorway narrow space to withdraw the folding ladder (10) There is an effect that can be secured.

In one embodiment, the emergency elevator ladder storage device 100 may be installed to replace a part of the surface facing the elevator dismounting direction of the elevator car door pocket for entering and withdrawing the elevator car door in accordance with the opening and closing of the elevator car door. More specifically, the emergency elevator ladder storage device 100 is bent with the front wall 111 and the front wall 111 of the ladder enclosure 110 from the viewpoint of the person who tries to get off the platform inside the elevator car of the elevator. An extended door frame 113 may be installed to correspond to the left or right elevator car door pocket. Thus, the folding ladder 10 can be pulled in and out in the same direction as the elevator car door.

6 is a view showing a folding ladder stored in the emergency elevator ladder storage device according to an embodiment of the present invention.

Referring to FIG. 6, the folding ladder 10 is provided with a folding emergency ladder for a stacked elevator. A folding emergency ladder provided for a stacked elevator includes a pair of ladder members foldable in different directions, and a connector for stacking and connecting the ladder members provided in any one of the pair of ladder members. The ladder member is a pair of vertical frame having a receiving groove therein; A plurality of stepping racks hinged at regular intervals between the pair of vertical frames; And a stopper formed at a lower end of the stepping rack, the stopper being in close contact with the inner wall of the vertical frame so that the stepping rack can rotate in only one direction when the stepping rack is horizontal. It improves the space utilization of the product and reduces the product productivity and the production cost.

As a result, the emergency elevator ladder storage device 100 according to an embodiment of the present invention is bent and extended with the front wall 111 and the front wall 111 facing the elevator disengagement direction and the entrance of the folding ladder 10 and Ladder enclosure 110 including a door frame 113 including a ladder opening 115 for withdrawal, formed in the lower portion of the ladder storage space formed through the ladder opening 115 to support the folding upright of the folding ladder 10 A ladder which is formed in the ladder support 120 and the ladder storage space and is formed along a retracting direction of the foldable ladder 10 on the side of the ladder opening 115 and bent for stopping regarding the retraction of the foldable ladder 10. Including the storage bracket 130 may provide a device for storing the folding ladder 10 is provided in the elevator car in case of emergency, such as failure of the elevator.

Although described above with reference to a preferred embodiment of the present application, those skilled in the art various modifications of the present invention without departing from the spirit and scope of the invention described in the claims below And can be changed.

10: folding ladder
100: emergency elevator ladder storage device
110: ladder enclosure 111: front wall
113: door frame 115: ladder opening
117: ladder opening cover 120: ladder support
130: ladder storage bracket

Claims (6)

A ladder enclosure comprising a front wall facing the elevator disengagement direction and a door frame which is bent and extended with the front wall and includes a ladder opening for entry and withdrawal of a foldable ladder;
A ladder support formed at a lower portion of the ladder storage space formed through the ladder opening to support a folded upright of the folding ladder; And
And a ladder storage bracket formed in the ladder storage space and formed along a retracting direction of the foldable ladder on the side of the opening and bent for stopping regarding the retraction of the foldable ladder.
According to claim 1, wherein the emergency elevator ladder storage device
Emergency elevator ladder storage device characterized in that the door frame is arranged in the direction of the doorway of the elevator.
According to claim 2, The emergency elevator ladder storage device
Emergency elevator ladder storage device, characterized in that installed by replacing a part of the surface of the elevator car door pocket for entering and withdrawing the elevator car door in accordance with the elevator car door opening and closing the elevator car door.
The method of claim 1, wherein the ladder enclosure
Emergency ladder storage device comprising a ladder opening cover including a protrusion formed along the left and right circumference of the ladder opening.
The method of claim 1, wherein the ladder support
Emergency elevator ladder storage device characterized in that it comprises a departure prevention guide protruding to the left and right in the inlet direction of the folding ladder to prevent the departure of the folding ladder.
The method of claim 1, wherein the ladder storage bracket
Emergency elevator ladder storage device, characterized in that consisting of a plurality of brackets arranged at regular intervals along the height direction of the folding ladder.

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