KR20200003562A - Folding Evacuation Apparatus - Google Patents

Abstract

The present invention relates to a foldable fire evacuation apparatus, in which a rescue box and an escape box are installed in parallel on each floor in a multi-floor building to enable an evacuee to move into a safe zone along an evacuation path designed to allow the evacuee to move from a rescue box on a corresponding floor to a rescue box on a lower floor through an escape box on a corresponding floor. According to the present invention, the rescue box comprises: a first locking device operated manually or automatically; a first foldable structure foldable back and forth according to an operation of the first locking device and having a box type evacuation space; and a scaffold unit installed in the first foldable structure and forming a floor surface of the evacuation space. In addition, according to the present invention, the escape box comprises: a second locking device operated manually and independently of the first locking device; a second foldable structure foldable back and forth according to an operation of the second locking device and having a first movement path; a third foldable structure accommodated within the second foldable structure to be able to slide vertically within the second foldable structure and, when the second locking device is unlocked, moving downwards from the second foldable structure to form a second movement path for extending the first movement path; and an interlocking operation unit installed at one side of the third foldable structure and automatically operating the first locking device of the rescue box of a lower floor according to a downward movement of the third foldable structure to assure a new evacuation space communicating with the second movement path.

Description

Folding Evacuation Apparatus

The present invention relates to a foldable evacuation device, more specifically, it can be manufactured in a simple structure of a box shape using a small size of the structure is not complicated, requires less manpower and time for installation work, a plurality of evacuation installed in the assembly building The invention relates to a foldable evacuation device that is easy to reuse and re-use for individual inspection.

High-rise buildings can accommodate a large number of people on a small site, but if several people live inside the building, disasters such as earthquakes and fires can lead to large casualties. In order to prepare for such a disaster, evacuation methods using a steel bar installed on the veranda are widely used. However, the wangigi difficult to operate, the elderly, women, children, such as the general public is difficult to use, there is a problem that can not shake the anxiety due to the use of the wanjagi due to the burden of putting the weight of the user on one rope.

Korean Patent No. 10-109976 [Patent Document 1] is disclosed as a prior art evacuation device for preparing for a disaster in a high-rise building. However, [Patent Literature 1] says that a safety railing is installed on the veranda to temporarily avoid flames or smoke, but it is difficult to use it in an emergency situation because there is no device that can escape from the building, and it is reluctant to use it due to structural instability. You lose.

As another prior art evacuation device that can be deployed in an emergency to provide an evacuation space and escape safely out of the building, Korean Patent No. 10-1740261 [Patent Document 2] the access unit 10 and the safety pan unit 20 Disclosed is an evacuation evacuation device comprising a fan unit (1) configured integrally and a sliding stair unit (30) configured at the lower end of the fan unit.

However, in [Patent Document 2], the access unit 10 and the safety pass unit 20 are made of an integrated structure, and the sliding step unit 30 is accommodated in the safety pass unit 20 and the sliding step unit 30 ) Is equipped with a folding staircase 32 inside the pair of sliding pans 31, the structure structure is complicated, and as the size and weight of the device increases, the manpower and time for installation on the building exterior wall increases, There is a problem that increases. [Patent Literature 2] states that when one evacuation device is operated in a high-rise building, all evacuation devices are continuously deployed from the lower floor to the ground floor in a batch. There is. In addition, [Patent Document 2] is a punch unit 60 configured in the sliding stair unit 30 hit the push unit 50 configured in the lower floor access unit 10, the fan unit 1 and the sliding stair unit 30 is If the misalignment of the punch unit 60 and the push unit 50 is misaligned, the malfunction of the punch unit 60 and the push unit 50 is missed, and the downstair evacuation device is not deployed. If the punch unit 60 hits the push unit 50 by falling down quickly, the damage of the structure is likely to occur, and accordingly, there is a problem that repair of the evacuation device is inevitable.

[Patent Document 1] Korean Patent Registration No. 10-1099760 (August 28, 2011) [Patent Document 2] Korea Patent Registration No. 10-1740261 (2017.05.29 notification)

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An object of the present invention is to provide a folding and evacuation device that can be manufactured in a simple and compact size, less manpower and time required for installation work, easy to check and easy to reuse, easy maintenance.

Another object of the present invention is to provide a foldable evacuation device that the linkage between the evacuation device installed in the upper and lower layers is accurate and stable.

Folding fire evacuation apparatus according to the present invention for achieving the above object, the rescue box and the escape box is installed side by side on each floor of the high-rise building, the evacuation of the lower floor through the escape box of the floor in the rescue box of the floor An evacuation device that allows evacuators to move to safety zones along evacuation routes designed to move to rescue boxes.

The rescue box may include a first locking device that is operated manually or automatically, a first folding structure that is foldable in the front-rear direction according to the operation of the first locking device, and forms a evacuation space in a box shape, and the first folding device. Provided with a scaffold that is installed in the structure and forms the bottom surface of the evacuation space,

The escape box may include a second locking device that is manually operated independently of the first locking device, a second folding structure that is foldable in the front-rear direction according to the operation of the second locking device and forms a first moving passage; And a second movement passage which is accommodated in the second fold structure to be slidably in a vertical direction and moves downward from the second fold structure when the second locking device is unlocked to extend the first movement passage. The first fold structure of the lower layer structure box according to the downward movement of the third fold structure to ensure a new evacuation space installed on one side of the third fold structure, and the third fold structure communicating with the second moving passage. It characterized in that it comprises a linkage operation unit for automatically operating the device.

The first locking device includes a first locking lever rotatably coupled to a fixed frame of the first foldable structure with a fixing pin, and a first locking ring fixedly coupled to a support frame of the first foldable structure. Forming first and second pressing plates for manually or automatically inducing the operation of the first locking device on one side of the first locking lever, and forming a first latch on the other side of the first locking lever, And when the pressing plate of any one of the second pressing plates is released, the support frame of the first foldable structure, which is unlocked, is released from the first latch caught by the first locking ring.

The linkage operation part may include a guide rod installed at a lower end of the third folding structure and a pressing hole installed at one side of the guide rod, and the pressing hole moves downward together with the third folding structure to lock the first layer of the lower layer structure box. Characterized in that the second pressing plate of the device is pressed.

The second locking device may be fixedly coupled to a pedestal installed on one side of the second foldable structure, a second locking lever rotatably installed on the pedestal, and an upper end side of the third foldable structure accommodated in the second foldable structure. A second locking ring is provided, a handle is formed on one side of the second locking lever, a second latch is formed on the other side of the second locking lever, and when the second locking lever is rotated, the second locking ring is locked to the second locking ring. When the second clasp is released and unlocked, the second fold structure is deployed forward and the third fold structure is moved downward.

In addition, the first foldable structure has a fixed frame, a support frame, a first rotating member connecting one side of the fixing frame and the support frame, and a second rotating member connecting the other side of the fixing frame and the support frame, The fixing frame is formed with a receiving groove for receiving a guide member for guiding the downward movement of the third folding structure of the upper layer escape box, characterized in that the buffer member is installed in the receiving groove to mitigate the impact.

In addition, the support frame is provided with a plate-like finish formed with a plurality of through holes, the first pivot member is provided with a plurality of connecting plates for forming a fence for preventing the fall on the exposed side of the evacuation space, the upper layer escape box A plurality of connecting plates are arranged at regular intervals in the vertical direction so that the evacuator moving through the first and second moving passages of the first and second moving passages, and the second pivot member for falling fall on the other exposed side of the evacuation space Is provided with a plurality of connecting plates for forming a fence, a portion of the plurality of connecting plates are hinged hinged, so that the evacuator can enter the first moving passage secured by the second folding structure of the escape box forward It is characterized in that the installation of the locking bar on some connection plate.

In addition, the door is hinged to the fixing frame, characterized in that the door lock bar is installed.

In addition, the second fold structure is a support, a support, a first guide rail fixedly coupled to the guide and formed with a guide groove, a second guide rail fixedly coupled to the support and formed with a guide groove, the first guide rail And a third pivot member connecting one side and one side of the second guide rail, and a fourth pivot member connecting the other side of the first guide rail and the other side of the second guide rail, wherein the third foldable structure includes the first guide rail. A first moving frame sliding along the guide groove of the second moving frame, a second moving frame sliding along the guide groove of the second guide rail, and a fifth connecting the one side of the first moving frame and the second moving frame; A rotating member, a sixth rotating member connecting the other side of the first moving frame and the other side of the second moving frame, and a plurality of horizontal bars installed in the horizontal direction at regular intervals on the first and second moving frames, The fifth and sixth rotation members are the first and the 2 evacuated to move through the flow channel a plurality of self-connection to be used in a ladder plate and is arranged at predetermined intervals in the vertical direction.

In addition, the first and the second moving frame has a locking projection protruding on the side, characterized in that the guide groove of the first and second guide rail is formed with a slit through the locking opening.

According to the present invention as described above, the escape box of a simple structure disposed in the middle of the evacuation line designed to allow the evacuator entering the rescue box to move to the safety zone functions as a moving passage and a ladder, and the evacuation device can be implemented in a simple and compact size. This can greatly reduce labor and time for installing multiple evacuation devices in high-rise buildings, as well as reduce manufacturing costs.

In addition, according to the present invention, by deploying the rescue box and the escape box of the floor can be checked individually, while moving from the upper floor to the lower floor it is possible to quickly and easily check the operating status for all evacuation devices sequentially.

In addition, according to the present invention, since the linkage between the evacuation device of the upper layer and the lower layer is provided with a linkage operation between the evacuation device is accurate and stable, it is easy to reuse, and can prevent the damage of the evacuation device in advance.

1 is a perspective view showing a state in which the foldable evacuation device is normally folded.
Figure 2 is a perspective view for explaining the linkage operation unit for connecting between the upper floor escape box and the lower floor structure box in accordance with the present invention.
3 is a cross-sectional view for describing the structure of the linkage operation part of FIG. 2.
Figure 4 is a perspective view showing a state in which both the upper layer structure box and the escape box in accordance with the present invention,
5 is a perspective view showing a state in which both the lower-layer structure box and the escape box according to the present invention is deployed.
6 is a view showing a folded state of the evacuation device of the upper layer and the lower layer in accordance with the present invention.
7 is a view showing a state in which the evacuation device of the upper layer and the lower layer in the emergency according to the present invention is continuously deployed to form a zigzag evacuation line.
8 is a perspective view showing a rescue box is deployed and the escape box is folded in accordance with the present invention.

Hereinafter, the present invention will be described with reference to the accompanying drawings. Like reference numerals in the drawings denote like elements. In describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. In addition, when a part is said to "include" a certain component, which means that it may further include other components, except to exclude other components unless otherwise stated.

Foldable evacuation device according to the present invention is installed in a plurality of high-rise buildings, such as apartments, officetels can be safely moved from the high-rise to the ground in the event of a disaster such as fire, earthquake. Foldable evacuation devices can also be installed on the outside of buildings with low floors. The installation location of the evacuation device need not be specifically limited, and may be installed at any location provided outside the building where the user can safely escape.

The foldable evacuation device 1 according to the embodiment of the present invention comprises a structural box 1-1 and an escape box 1-2 installed side by side in a horizontal direction on a safety railing of a building. Foldable evacuation device can move to the safety zone along the evacuation line designed to move from the rescue box of the floor to the rescue box of the lower floor through the escape box of the floor.

The rescue box 1-1 and the evacuation box 1-2 are separated from each other, and can be operated separately by having the first and second locking devices described later. The first locking device is unlocked so that the rescue box 1-1 forms an evacuation space in the form of a box to evacuate from the inside of the building to the outside. In addition, the second locking device may be unlocked to provide a box-shaped moving passage in which the escape box 1-2 may move to the lower floor.

Structures for the rescue box (1-1) and the escape box (1-2) can be formed in the same or similar size, for example, the size of the rescue box (1-1) is an evacuation space for one or two evacuators It is desirable to be able to form.

Usually, the first and second locking devices are locked to maintain the folded state of the rescue box 1-1 and the escape box 1-2, thereby reducing the size of the structure protruding out of the building.

1 to 5, the configuration of the rescue box (1-1) and the escape box (1-2) will be described in detail. The structural box 1-1 has a first folding structure 10 to be described later that can be folded in a front-rear direction (a direction moving from the inside of the building to the outside), and the escape box 1-2 can be folded in the front-rear direction. It is provided with a second and third fold structure 30, 40.

Structural box (1-1) is the first locking device 24, the first folding structure 10 to form the evacuation space in accordance with the operation of the first locking device, and the scaffolding portion forming the bottom surface of the evacuation space ( 23).

The first fold structure 10 is a fixed frame 11 fixed to the outer wall or safety railings of the building, a support frame 14 provided on the front surface facing the fixing frame and deployed forward, a first connecting the one side of the fixed frame and the support frame It is provided with a rotating member 18, the second rotating member 20 for connecting the other side of the fixed frame and the other side of the support frame. In this embodiment, the fixing frame 11 and the support frame 14 are formed in a rectangular frame shape, but the shape and size of the fixing frame 11 and the support frame 14 may be variously modified in consideration of the installation environment.

The first locking device 24 includes a first locking lever 25 and a first locking ring 26 installed at one side of the fixing frame 11 and the supporting frame 14. The first locking lever 25 is rotatably coupled to one side of the fixing frame 11 by using the fixing pin 25d, and the first locking ring 26 protrudes from the supporting frame 14.

When the pressing plate of any one of the first and second pressing plates 25a and 25b formed on one side of the first locking lever 25 is pushed downward, the first latch 25c formed on the other side of the first locking lever 25 is first. It will come out of the lock ring (26). The first pressing plate 25a is used when the evacuator directly operates manually, and the second pressing plate 25b is automatically operated by the linkage operation unit 52 described later installed in the third folding structure of the upper layer escape box. Will be used.

The linkage operation unit 52 includes a guide rod 53 installed at the lower end of the third folding structure 40 and a pressing hole 54 fixed to one side of the guide rod 53.

When the pressing hole 54 of the guide rod 53 moves downward to press the second pressing plate 25b of the first locking device 24 of the lower layer structure box 1-1, the lower layer structure box 1-1 is moved. It is unlocked so that the support frame 14 is deployed forward to form the evacuation space 17.

Fixing frame 11 may be formed with a receiving groove 55 for receiving a guide rod 53 for guiding the downward movement of the third folding structure 40 of the upper layer escape box. A ball bearing 56 may be installed at the upper end of the receiving groove 55, and a shock absorbing member 57 such as a spring may be installed at the lower end of the receiving groove 55.

The first pivot member 18 is provided with a plurality of connecting plates 19 for forming a fence for preventing the fall on the exposed one side of the evacuation space (17). The second pivot member 20 includes a plurality of connecting plates 21 and 21a for forming a fence for preventing a fall on the other exposed side of the evacuation space 17. The plurality of connecting plates 19 of the first pivot member 18 are arranged at regular intervals in the vertical direction so that the evacuator can use the ladder. Such a connecting plate may be implemented as a pair of square plates which are folded against each other, one side and the other side of the square plate is hinged to the corresponding portion, and forms a through groove in the square plate.

The evacuator who entered the evacuation space of the rescue box 1-1 unlocks the second locking device 27 of the escape box 1-2 installed adjacent to the second and third folds of the escape box 1-2. The structures 30 and 40 are developed.

The second fold structure 30 is fixed to the support 31, the support 33, the first guide rail 32 is formed and the guide groove is formed, the second fixedly coupled to the support 33, the guide groove is formed The guide rail 34, a third pivot member 35 connecting one side of the first guide rail and one side of the second guide rail, and a fourth pivot member 37 connecting the other side of the first guide rail and the other side of the second guide rail. ). The third and fourth pivot members 35 and 37 may be installed to be foldable at the upper end, and may be implemented as a pair of square plates that are foldably coupled to each other, and one side and the other side of the square plates are hinged to corresponding parts. A through hole is formed in the square plate.

The third folding structure 40 has a first moving frame 41 sliding along the guide groove of the first guide rail 32 and a second moving sliding along the guide groove of the second guide rail 34. The fifth rotating member 47 connecting the frame 44, one side of the first moving frame and one side of the second moving frame, and the sixth rotating member 49 connecting the other side of the first moving frame and the other side of the second moving frame. And a plurality of horizontal bars 43 and 46 installed in the horizontal direction at regular intervals on the first and second moving frames.

The fifth and sixth rotation members 47 and 49 are arranged with a plurality of connecting plates 48 and 50 at regular intervals in the vertical direction so that the evacuator moving through the second movement passage 51 can be used as a ladder. do. The connecting plates 48 and 50 of the fifth and sixth rotating members 47 and 49 may be implemented as a pair of square plates which are foldably coupled to each other, and one side and the other of the square plates are hinged to corresponding parts. Form a through hole in the square plate. That is, the plurality of connecting plates 48 and 50 forms a fence for preventing the fall on the exposed one side of the second moving passages 39 and 51.

The locking holes 42 and 45 protrude from the side surfaces of the first and second moving frames 41 and 44. The locking holes 42 and 45 move along the slits 32a and 34a formed through the guide grooves of the first and second guide rails 32 and 34, and are caught by the lower end thereof. 2 It prevents the departure of the moving frame (41, 44).

Referring to FIG. 4, the second locking device 27 includes a pedestal 28 installed on the fixing table 31 of the second folding structure 30, a second locking lever 29 rotatably installed on the pedestal 28, A second locking ring 29b fixedly coupled to one side of the second moving frame 44 of the third folding structure 40 is provided. When the second locking lever 29 is rotated, the second latch 29a comes out of the second locking ring 29b.

When the second latch 29a caught by the second locking ring 29b is released and unlocked, the second folding structure 30 is extended forward and the first and second moving frames of the third folding structure 40 are released. 41 and 42 slide along the first and second guide rails 32 and 34 to move downward.

Referring to FIG. 5, the lower layer structure box 1-1 having the same structure as the upper layer structure box 1-1 will be described. The connecting plate 21 of the second rotating member 20 is installed at the top to connect the fixing frame 11 and the supporting frame 14, and the connecting plate 21a of the second rotating member 20 is composed of two rows. , Only one side is hinged to the support frame 14 and the other side is restrained by the connecting plate 21 of the upper end by the locking bar (22). The evacuator entering the evacuation space 17 unlocks the locking bar 22 to open the connecting plate 21a, and then along the second movement passage 51 formed by extending to the first movement passage 39. It can move to the evacuation space 17 of the lower structure box (1-1). In this case, the fifth and sixth rotating members 47 and 49 may be used as ladders.

The footrest part 23 combines a pair of plates to form a bottom surface of the evacuation space 17, and each plate is foldably coupled to the bottom of the fixing frame 11 and the supporting frame 14. The footrest part 23 is positioned below so as not to interfere with the first and second pivot members 18 and 20, and the first locking device 24 is unlocked to be deployed together with the support frame 14 so as to be flat. Form a face. Accordingly, the evacuator can safely enter the evacuation space 17 by using the plate of the scaffold 23 as a tread.

Install the plate-shaped finish 15 to the support frame 10 and the support 33, respectively. Finishing material 15 is installed on the outermost side by forming a plurality of through holes 16 to prevent the fall of the evacuator, as well as can feel the aesthetics from the appearance.

As shown in FIG. 6, when the evacuation device of the upper layer and the lower layer is normally folded, the second and third folding structures are housed inside the folded escape box 1-2.

In the event of an emergency such as an earthquake or fire, the first locking device 24 is unlocked to enter the evacuation space 17 of the rescue box 1-1, as shown in FIG. When the second locking device 27 is unlocked, the lower layer structure box 1-1 is automatically deployed by the linkage operation unit 52 as the escape box 1-2 is deployed. The evacuation space is the evacuation space of the structural box 1-1 of the lower layer which is automatically developed via the first and second moving passages 39 and 51 formed by the second and third folding structures 30 and 40. Go to (17). Thereafter, the second locking device 27 of the lower floor escape box 1-2 is unlocked to deploy the lower floor escape box 1-2 so that it can safely move to the ground along the evacuation line of the zigzag.

Referring to FIG. 8, when the evacuator inside the building manually operates the rescue box 1-1 by pressing the first pressing plate 25a of the first locking device 24, the evacuation space 17 can be secured. In addition, the evacuator can enter the evacuation space 17 once the rescue request can be easily evacuated to the safety zone with the help of the external rescue.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements by those skilled in the art using the basic concepts of the present invention defined in the following claims are provided. It belongs to the scope of the present invention.

1: Evacuation Device 1-1: Rescue Box
1-2: escape box 10: first fold structure
18: first rotating member 20: second rotating member
30: the second fold structure 31: fixed base
32: first guide rail 33: support
34: 2nd guide rail 35: 3rd rotation member
37: fourth rotating member 39: first moving passage
40: third folding structure 41: the first moving frame
44: second moving frame 47: the fifth rotating member
49: sixth rotating member 51: the second moving passage
52: linkage operation unit 53: guide rod
55: receiving groove 57: buffer member

Claims (9)

Rescue boxes and escape boxes are installed side-by-side on each floor of a high-rise building, and evacuators move to safety zones along evacuation lines designed to move from the rescue box on the floor to the rescue box on the lower floor. As an evacuation device,
The rescue box,
A first locking device which is operated manually or automatically, a first folding structure which is foldable in a forward and backward direction according to the operation of the first locking device and forms a evacuation space in the form of a box, and is installed in the first folding structure and is evacuated It has a scaffold that forms the bottom surface of the space,
The escape box,
A second locking device that is manually operated independently of the first locking device, a second folding structure that is foldable in the front-rear direction according to the operation of the second locking device, and forms a first moving path, and the second folding device A third fold structure that is accommodated in the structure to be slidably moved in the vertical direction and when moving to unlock the second locking device to move downward from the second fold structure to form a second moving passage extending the first moving passage And, the first locking device of the lower layer structure box is automatically operated according to the downward movement of the third fold structure to secure a new evacuation space installed on one side of the third fold structure and communicate with the second moving passage. Folding evacuation device characterized in that it comprises an interlocking operation to make. The method of claim 1,
The first locking device includes a first locking lever rotatably coupled to a fixed frame of the first foldable structure with a fixing pin, and a first locking ring fixedly coupled to a support frame of the first foldable structure.
Forming first and second pressing plates for manually or automatically inducing the operation of the first locking device on one side of the first locking lever, and forming a first latch on the other side of the first locking lever,
When the pressing plate of any one of the first and second pressing plate is foldable, the first latch caught on the first locking ring is released and the support frame of the unlocked first foldable structure is deployed forward. Fire evacuation device. The method of claim 2,
The linkage operation part includes a guide rod installed at a lower end of the third foldable structure, and a pressing hole installed at one side of the guide rod,
The push hole is moved downward with the third fold structure to press the second pressing plate of the first locking device of the lower structure box folding fire escape device. The method of claim 1,
The second locking device,
A pedestal installed on one side of the second fold structure, a second locking lever rotatably installed on the pedestal, and a second lock ring fixedly coupled to an upper end side of the third fold structure accommodated in the second fold structure;
A handle is formed on one side of the second locking lever, and a second latch is formed on the other side of the second locking lever.
Rotating the second locking lever is characterized in that the second clasp hanging on the second locking ring is released and unlocked when the second fold structure is deployed forward and the third fold structure moves downward. Foldable fire escape device. The method of claim 1,
The first foldable structure has a fixing frame, a supporting frame, a first rotating member connecting one side of the fixing frame and one side of the supporting frame, and a second rotating member connecting the other side of the fixing frame and the supporting frame,
The fixing frame is formed with a receiving groove for receiving a guide member for guiding the downward movement of the third folding structure of the upper layer escape box,
Folding fire escape device characterized in that the shock absorbing member is installed in the receiving groove to cushion the shock. The method of claim 5,
Install a plate-shaped finish formed with a plurality of through holes in the support frame,
The first pivot member is provided with a plurality of connecting plates for forming a fence to prevent the fall on the exposed side of the evacuation space, the evacuator moving through the first and second moving passage of the upper floor escape box to be used as a ladder A plurality of connecting plates are arranged at regular intervals in the vertical direction so that
The second pivot member has a plurality of connecting plates for forming a fence to prevent the fall on the exposed other side of the evacuation space, the second folding structure of the escape box to the first moving path secured by the deployment forward Folding part of the evacuation device, characterized in that some of the plurality of connecting plates are hinged so that the evacuator can enter, and the locking bar is installed on the hinged portion of the connecting plate. The method of claim 5,
Folding door evacuation device, characterized in that the door is hinged to the fixing frame, the door lock bar is installed. The method of claim 1,
The second foldable structure is a support, a support, a first guide rail fixedly coupled to the guide and formed with a guide groove, a second guide rail fixedly coupled to the support and formed with a guide groove, one side of the first guide rail And a third rotating member connecting one side of the second guide rail and a fourth rotating member connecting the other side of the first guide rail and the other side of the second guide rail,
The third foldable structure includes a first moving frame sliding along a guide groove of the first guide rail, a second moving frame sliding along a guide groove of the second guide rail, and one side of the first moving frame. And a fifth rotating member connecting one side of the second moving frame, a sixth rotating member connecting the other side of the first moving frame and the other side of the second moving frame, and horizontally spaced at the first and second moving frames. It has a plurality of horizontal bars installed in the direction,
The fifth and sixth rotation members are foldable fire escape apparatus, characterized in that a plurality of connecting plates are arranged at regular intervals in the vertical direction so that the evacuator moving through the first and second moving passages can be used as a ladder. The method of claim 8,
The first and second moving frame is provided with a locking projection protruding on the side,
Folding groove evacuation device, characterized in that the guide groove of the first and second guide rail is formed with a slit through which the locking hole passes.

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