阅读说明：本技术 建筑物中的火灾或其他灾害疏散设施 (Fire or other disaster evacuation facility in a building ) 是由 柳顺模 姜在植 于 2018-04-26 设计创作，主要内容包括：本发明涉及的建筑物中的火灾或其他灾害疏散设施包括：固定设置在建筑物的外墙上的墙体固定框架；设置在墙体固定框架前方的外部框架；以轴固定的方式设置在墙体固定框架上的折叠式下部脚踏板；随着折叠式下部脚踏板展开的折叠式紧急出口开闭单元；上部疏散结构变更单元；及提供疏散通道的下部疏散结构变更单元,从而能够躲避火灾或灾害。(The invention relates to a fire or other disaster evacuation facility in a building, comprising: a wall fixing frame fixedly arranged on an outer wall of a building; an outer frame arranged in front of the wall fixing frame; a folding lower pedal arranged on the wall fixing frame in a shaft fixing way; a folding emergency exit opening and closing unit which is unfolded along with the folding lower foot board; an upper evacuation structure change unit; and a lower evacuation structure change unit providing an evacuation passage, thereby being capable of avoiding a fire or disaster.)

1. A fire or other disaster evacuation facility in a building, comprising:

the wall fixing frame (1) is in a quadrilateral frame shape and is fixedly arranged on the outer wall of the building facing a concave balcony or a convex balcony of the building,

an outer frame (3) which is in a quadrilateral frame shape with a closed front and is arranged in front of the wall body fixing frame (1),

a folding type side elevating unit (9) comprising a first side wall (5) and a second side wall (7) folded or unfolded by a Hinge (Hinge) combination, a pair of the first side wall (5) and a pair of the second side wall (7) being provided at left and right sides of the fixed frame (1) and the outer frame (3), an upper portion and a lower portion of a front end of the first side wall (5) being provided on the outer frame (3) in a shaft-fixed manner, an upper portion and a lower portion of a rear end of the second side wall (7) being provided on the wall-fixing frame (1) in a shaft-fixed manner,

a folding lower step (15) comprising a first bottom plate (11) and a second bottom plate (13) which are arranged at the lower part of the wall fixing frame (1) and the lower part of the outer frame (3) and are folded or unfolded in a manner of being combined by a Hinge (Hinge), wherein the left side and the right side of the front end of the first bottom plate (11) are arranged on the outer frame (3) in a shaft fixing manner, the left side and the right side of the rear end of the second bottom plate (13) are arranged on the wall fixing frame (1) in a shaft fixing manner,

an emergency exit (17) extending through the foldable lower footrest (15) to enable a person to move to a next floor in the event of a fire,

a folding emergency exit opening and closing unit (19) which opens and closes in a state of being disposed at the emergency exit (17) to close or open the emergency exit (17), folds with the folding lower step (15) when the folding lower step (15) is folded, and unfolds with the folding lower step (15) when the folding lower step (15) is unfolded,

an upper evacuation structure changing unit (23) which, in case of fire, unfolds the foldable side elevating unit (9), the foldable lower footboard (15) and the foldable emergency exit opening and closing unit (19) folded between the wall fixing frame (1) and the outer frame (3) according to the operation of the upper handle (21) while pushing out the outer frame (3) toward the front of the high-rise building, thereby providing an evacuation path, and

a lower evacuation structure changing unit (27) which, in the event of a fire or disaster, unfolds a foldable side elevating unit (9), a foldable lower foot board (15), and a foldable emergency exit opening and closing unit (19) which are provided at the next floor and folded between a wall fixing frame (1) and an outer frame (3) according to the operation of a lower handle (25), and simultaneously pushes out the outer frame (3) provided at the next floor toward the front of a high-rise building, thereby providing an evacuation path;

in normal times, the folding type side elevating unit (9), the folding type lower foot board (15) and the folding type emergency exit opening and closing unit (19) are folded between the wall fixing frame (1) and the outer frame (3) in a state that the wall fixing frame (1) faces the outer frame (3), thereby serving as a safety fence for preventing falling, operating the upper handle (21) and the lower handle (25) when a fire or disaster occurs, the structure is changed to an evacuation passage for avoiding fire or disaster, and the foldable side lifting units (9), the foldable lower foot boards (15) and the foldable emergency exit opening and closing units (19) which are arranged at the current floor and the next floor in a folded state are unfolded through the upper evacuation structure changing unit (23) and the lower evacuation structure changing unit (27), and the outer frame (3) moves towards the front of the building;

after the folding type emergency exit opening and closing unit (19) arranged on the current floor is opened, the sheltering personnel move towards the direction of the emergency exit (17) on the next floor through the emergency exit (17), so that fire or disaster can be sheltered;

the folding emergency exit opening and closing unit 19 includes:

a first opening/closing door (31) for closing the emergency exit (17) penetrating the first floor (11), hinged to the edge in front of the emergency exit (17),

a second opening/closing door (33) for closing the emergency exit (17) penetrating the second bottom plate (13), and

a door hinge (35) for connecting the first opening/closing door (31) and the second opening/closing door (33);

the opening and closing door hinge (35) and a hinge installed on the folding lower pedal (15) are configured on a continuous straight line, and the first opening and closing door (31) and the second opening and closing door (33) are folded or unfolded along with the folding lower pedal (15);

a limit plate (37) is further installed on the edge of the second opening and closing door (33) connected with the emergency exit (17), the limit plate (37) protrudes from the second opening and closing door (33) towards the rear of the second opening and closing door (33), and when the second opening and closing door (33) closes the emergency exit (17), the limit plate is blocked on the edge of the emergency exit (17), so that the second opening and closing door (33) is prevented from rotating towards the lower direction shaft of the emergency exit (17);

a lower damper (39) is installed between the first base plate (11) and the first opening/closing door (31), one end of the lower damper (39) is provided to the first opening/closing door (31) in a shaft-fixed manner, and the other end is provided to the first base plate (11) in a shaft-fixed manner, and the open folding emergency exit opening/closing unit (19) is pushed upward with a predetermined force;

the upper surface of the second opening/closing door (33) is provided with

2. A fire or other disaster evacuation facility in a building according to claim 1,

the upper evacuation structure changing unit (23) includes:

a locking rod fixing bracket (43) which is fixedly arranged at the upper part of the outer frame (3) and protrudes towards the direction of the wall fixing frame (1);

a locking lever (45) which is a straight Bar (Bar) standing along the vertical direction, and the upper surface of which is fixedly arranged at the rear end of the bottom surface of the locking lever fixing bracket (43);

an outer frame locking unit (49) which is mounted on the upper portion of the wall body fixing frame (1) opposite to the locking lever (45), and which is provided with a hook (47), wherein when the hook (47) faces the locking lever (45), the locking lever (45) is locked and fixed on the hook (47), and the hook (47) is interlocked with the upper handle (21) and rotates through an elastic shaft according to the operation of the upper handle (21), so that the held locking lever (45) is released; and

and a pair of upper dampers (51) (Shock absorbers) having one end fixed to the upper portion of the wall fixing frame (1) and the other end fixed to the second side wall (7) of the folding type side elevating unit (9) provided at the left or right side of the wall fixing frame (1), wherein when the locking lever (45) is disengaged from the hook (47), the shaft is rotated and the second side wall (7) connected to the wall fixing frame (1) is pushed out, thereby moving the outer frame (3) forward and unfolding the folding type side elevating unit (9), the folding type lower step (15) and the folding type emergency exit opening and closing unit (19) which are in the folded state.

3. A fire or other disaster evacuation facility in a building according to claim 3,

the upper evacuation structure changing unit (23) includes:

a Handle assembly (53) having an upper Handle (21) (Handle) mounted on the front thereof for pivoting in a clockwise or counterclockwise direction,

a Handle Bracket (55) (Handle socket) mounted on the rear of the Handle assembly (53),

a rotating bolt (57) which passes through the handle bracket (55) and extends toward the rear of the handle assembly (53) and rotates with the upper handle (21),

a first nut (59) fastened to the rotating bolt (57),

a pry rod (61) (Lever) having a Bar shape, one side of which is fixed to the rotary bolt (57) in a penetrating manner and rotates with the rotary bolt (57),

a second nut 63 fastened to the rotary bolt 57 and clamping a pry bar 61 fitted into the rotary bolt 57 together with the first nut 59,

a Wire (65) (Wire) having one end fixed to the other side of the pry bar (61) and the other end connected to the outer frame locking unit (49),

and

a Handle Cover (67) (Handle Cover) covering the Handle bracket (55) on which the rotary bolt (57), the first nut (59), the prying bar (61), the second nut (63) and the lead (65) are mounted;

when the upper handle (21) is rotated in either direction, the wire (65) connected to the pry rod (61) is pulled,

a hook (47) of the outer frame locking unit (49) is axially rotated by a wire (65) and releases the held locking lever (45).

Technical Field

The present invention relates to a fire or other disaster evacuation facility in a building, and more particularly, to a veranda guardrail for preventing falling at ordinary times without risk of fire, which is configured to be changed to a fire disaster evacuation facility when a fire occurs, thereby safely evacuating the fire or other disaster evacuation facility in a building where residents are isolated from assistance due to the fire to the ground.

Background

In order to enlarge living spaces inside buildings and more effectively use narrow lands in general, high-rise buildings are increasing in the modern times, and as described above, high-rise buildings are generally provided with a front door for people to enter and exit, and a concave balcony having a safety fence for preventing falling is provided on an opposite side of the front door.

Such a high-rise building has an advantage of accommodating many people in a narrow land, and also has an advantage of being able to overlook the surrounding landscape in the high-rise building and having various facilities in one building.

However, the high-rise building as described above has a disadvantage of high frequency of fire due to many people living in the building where the building is pulled out in a narrow land, and there is a problem that a large-scale casualties may be caused upon occurrence of a fire.

On the other hand, in order to solve the above problems, there is a method of avoiding a fire by using a descent control device installed on a concave balcony, but the descent control device as described above has problems that it is difficult to operate and it is inconvenient for ordinary people to use, and the user's weight is borne by one rope, and the user cannot get rid of anxiety of using the descent control device due to a fear caused by a fire.

On one hand, as a prior art of the present invention, "safety barrier for fire evacuation" of patent publication No. 10-0927317 "was granted after application, and the safety barrier for fire evacuation was constructed in the following manner: a first frame enclosing the upper glass wall at ordinary times without the risk of fire, and rotating by a hinge shaft fixed to an outer wall of a building so as to face the lower glass wall or the lower outer wall when a fire occurs; the second frame is arranged between the first frame and the upper glass wall when the fire hazard does not exist, so as to enclose the upper glass wall, and rotates towards the lower glass wall or the lower outer wall along with the first frame when the fire hazard occurs; the pedal, two ends of one side and two ends of the other side are connected to the first frame and the second frame respectively, when there is no fire at ordinary times, the pedal stands side by side with the upper glass wall, the falling accident of the upper resident is prevented, when the first frame and the second frame rotate towards the lower glass wall and the lower outer wall, under the state that the first frame and the second frame are connected, the pedal is unfolded towards the vertical direction of the first frame and the second frame, the interval between the first frame and the second frame is pulled open, and simultaneously the pedal space is provided; and a fixing unit fixing one side of the second frame to the upper building structure to prevent the first and second frames from rotating toward the lower glass wall or the lower outer wall through the hinge at a normal time when there is no risk of fire.

Disclosure of Invention

Technical problem to be solved

Accordingly, the present invention has been made to solve the above problems, and an object of the present invention is to provide a fire or other disaster evacuation facility in a building, which enables a person isolated from a high-rise building to safely reach the ground through a veranda in case of a fire in the high-rise building.

Technical scheme for solving problems

The present invention for achieving the above objects relates to a fire or other disaster evacuation facility in a building, comprising: the wall fixing frame is in a quadrilateral frame shape and is fixedly arranged on the outer wall of the building facing a concave balcony or a convex balcony of the building; the external frame is in a quadrilateral frame shape with a closed front and is arranged in front of the wall body fixing frame; a folding type side elevating unit including a first side wall and a second side wall folded or unfolded in a combined manner by a hinge (H inge), a pair of the first side wall and a pair of the second side wall being provided at left and right sides of the fixed frame and the outer frame, an upper portion and a lower portion of a front end of the first side wall being provided on the outer frame in a shaft-fixed manner, and an upper portion and a lower portion of a rear end of the second side wall being provided on the wall-fixed frame in a shaft-fixed manner; a foldable lower footrest including a first base plate and a second base plate provided at a lower portion of the wall fixing frame and a lower portion of the outer frame and folded or unfolded in a hinge coupling manner, a left side and a right side of a front end of the first base plate being provided on the outer frame in a shaft-fixed manner, a left side and a right side of a rear end of the second base plate being provided on the wall fixing frame in a shaft-fixed manner; an emergency exit penetrating the foldable lower footboard to enable a person to move to a next floor in case of a fire; a folding emergency exit opening and closing unit which is opened and closed in a state of being disposed at the emergency exit so as to close or open the emergency exit, and which is folded with the folding lower step when the folding lower step is folded, and is unfolded with the folding lower step when the folding lower step is unfolded; an upper evacuation structure changing unit which, in case of a fire, unfolds the foldable side elevating unit, the foldable lower foot pedal, and the foldable emergency exit opening and closing unit folded between the wall fixing frame and the outer frame according to an operation of the upper handle, and simultaneously pushes out the outer frame toward the front of the high-rise building, thereby providing an evacuation passageway; and a lower evacuation structure changing unit which, in case of a fire, unfolds the foldable side lifting unit, the foldable lower step plate, and the foldable emergency exit opening and closing unit, which are provided at the next floor and folded between the wall fixing frame and the outer frame, according to an operation of the lower handle, and simultaneously pushes out the outer frame provided at the next floor toward the front of the high-rise building, thereby providing an evacuation passageway. When there is no fire or disaster, the folding type side lifting unit, the folding type lower foot board and the folding type emergency exit opening and closing unit are folded between the wall fixing frame and the outer frame in a state that the wall fixing frame faces the outer frame, thereby being used as a safety barrier for preventing falling, when there is fire or disaster, the upper handle and the lower handle are operated, the structure is changed to an evacuation passage for avoiding fire or disaster, the folding type side lifting unit, the folding type lower foot board and the folding type emergency exit opening and closing unit which are arranged at the current floor and the next floor in a folding manner are unfolded through the upper evacuation structure changing unit and the lower evacuation structure changing unit, the outer frame moves towards the front of the building, and after the folding type emergency exit opening and closing unit arranged at the current floor is opened, the outer frame moves towards the emergency exit of the next floor through the emergency exit, thereby being capable of evading fire or disaster.

Effects of the invention

The fire or other disaster evacuation facility in the building according to the present invention constructed as above serves as a safety fence for preventing falling at ordinary times without the risk of fire, and the structure can be changed to avoid the disaster evacuation facility when a fire occurs, so that casualties caused by the fire can be reduced.

Drawings

Fig. 1 is a view showing a state in which the present invention is installed on a veranda, or a veranda, to serve as a falling preventive safety fence at ordinary times without a risk of fire.

Fig. 2 is a view showing a state in which the structure of the present invention provided on a concave balcony or a convex balcony is changed to be used as a fire evacuation passageway when a fire occurs.

Fig. 3 is a view of the present invention viewed from the rear at a normal time when there is no risk of fire.

Fig. 4 is a view showing the folding type side elevating unit between the outer frame and the wall fixing frame facing each other in a folding manner at a normal time without a fire risk.

Fig. 5 is a view showing the folding type side elevating unit unfolded in a straight state at the time of a fire.

Fig. 6 is a view showing a bottom surface of the present invention when the structure is changed to a fire evacuation path in case of a fire.

Fig. 7 is a side view showing a fire evacuation path in which the structure of the present invention is changed when a fire breaks out.

Figure 8 is a view showing a reinforcing chain provided at the lower portion of an outer frame and a wall fixing frame,

fig. 9 is a view showing an outer frame locking unit mounted on a wall fixing frame, and a locking lever fixing bracket and a locking lever mounted on the outer frame.

Fig. 10 is a view of the locking lever mounted on the locking lever fixing bracket as viewed from the top.

Fig. 11 is a side view of the locking lever attached to the locking lever fixing bracket.

Fig. 12 is a diagram showing an outer frame locking unit that bites the locking lever.

Fig. 13 is a diagram showing a state in which the lock lever is disengaged from the outer frame lock unit.

Fig. 14 is a front view of the upper evacuation structure changing unit.

Fig. 15 is a cross-sectional view of the upper evacuation structure changing unit taken in the lateral direction.

Fig. 16 is a sectional view of the upper evacuation structure changing unit taken longitudinally.

Fig. 17 is a view of the present invention viewed from the inside of a building at a normal time when there is no risk of fire.

Fig. 18 is a view of the present invention when the structure of the present invention is changed to a fire evacuation path in case of a fire occurrence as viewed from the inside of a building.

Description of the reference numerals

1: wall fixing frame 3: external frame

5: first side wall 7: second side wall

9: folding side lifting unit 11: first base plate

13: second bottom plate 15: folding lower pedal

17: emergency exit 19: folding emergency exit opening and closing unit

21: the upper handle 23: upper evacuation structure change unit

25: lower handle 27: lower evacuation structure changing unit

29: reinforcing chain 31: first opening and closing door

33: second opening/closing door 35: hinge for opening and closing door

37: the limiting plate 39: lower shock absorber

41: half-transverse n-shaped handle 43: locking rod fixing bracket

45: locking lever 47: clamping hook

49: outer frame locking unit 51: upper shock absorber

53: handle assembly 55: handle bracket

57: rotating the bolt 59: first nut

61: prying the rod 63: second nut

65: wire 67: handle cover

69: circular hole 71: circular groove

73: first rotating bolt through hole 75: internal rotating plate

77: external rotating plate

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 7, a fire or other disaster evacuation facility in a building according to the present invention includes: the wall fixing frame 1 is in a quadrilateral frame shape and is fixedly arranged on the outer wall of the building facing a concave balcony (veranda) or a convex balcony (balconiy) of the building; the external frame 3 is in a quadrilateral frame shape with a closed front and is arranged in front of the wall body fixing frame 1; a folding type side elevating unit 9 including a first side wall 5 and a second side wall 7 folded or unfolded by a Hinge (Hinge) coupling, a pair of the first side wall 5 and a pair of the second side wall 7 being provided on left and right sides of the wall fixing frame 1 and the outer frame 3, an upper portion and a lower portion of a front end of the first side wall 5 being provided on the outer frame 3 in a shaft fixing manner, and an upper portion and a lower portion of a rear end of the second side wall 7 being provided on the wall fixing frame 1 in a shaft fixing manner; a folding lower step 15 including a first base plate 11 and a second base plate 13 which are provided at lower portions of the wall fixing frame 1 and the outer frame 3 and folded or unfolded by a Hinge (Hinge) coupling, a left side and a right side of a front end of the first base plate 11 being provided on the outer frame 3 in a shaft-fixed manner, a left side and a right side of a rear end of the second base plate 13 being provided on the wall fixing frame 1 in a shaft-fixed manner; an emergency exit 17 penetrating the folding lower footboard 15 to enable a person to move to a next floor in case of a fire; a folding emergency exit opening and closing unit 19 which opens and closes in a state of being disposed at the emergency exit 17 to close or open the emergency exit 17, folds with the folding lower step 15 when the folding lower step 15 is folded, and unfolds with the folding lower step 15 when the folding lower step 15 is unfolded; an upper evacuation structure changing unit 23 which, in case of a fire, opens the foldable side elevating unit 9, the foldable lower foot board 15 and the foldable emergency exit opening and closing unit 19 folded between the wall fixing frame 1 and the outer frame 3 according to the operation of the upper handle 21, and simultaneously pushes out the outer frame 3 toward the front of the high-rise building, thereby providing an evacuation path; and a lower evacuation structure changing unit 27 which, in case of a fire or disaster, unfolds the foldable side elevating unit 9, the foldable lower foot board 15, and the foldable emergency exit opening and closing unit 19, which are folded between the wall fixing frame 1 and the outer frame 3, provided at the next floor, according to the operation of the lower handle 25, and simultaneously pushes out the outer frame 3 provided at the next floor toward the front of the high-rise building, thereby providing an evacuation passageway; in normal times, in a state where the wall fixing frame 1 faces the outer frame 3, the folding type side elevating unit 9, the folding type lower step 15 and the folding type emergency exit opening and closing unit 19 are folded between the wall fixing frame 1 and the outer frame 3 to serve as a safety fence for preventing falling, when a fire or disaster occurs, the structure is changed to an evacuation passage for avoiding the fire or disaster by operating the upper handle 21 and the lower handle 25, the folding type side elevating unit 9, the folding type lower step 15 and the folding type emergency exit opening and closing unit 19 provided at the current floor and the next floor in a folded state are unfolded by the upper evacuation structure changing unit 23 and the lower evacuation structure changing unit 27, the outer frame 3 moves toward the front of the building, and the evacuee moves toward the emergency exit 17 of the next floor through the emergency exit 17 after opening and closing unit 19 provided at the current floor is opened, thereby being capable of evading fire or disaster.

The first and second side walls 5 and 7 of the folding type side elevating unit 9 are processed into a ladder-shaped frame so that a person who avoids a fire or disaster can move to the next floor by climbing the first and second side walls 5 and 7.

As shown in fig. 6, the folding emergency exit opening and closing unit 19 includes: a first opening and closing door 31 closing the emergency exit 17 penetrating the first floor 11, and hinge-coupled to an edge in front of the emergency exit 17; a second opening/closing door 33 for closing the emergency exit 17 penetrating the second floor 13; and an opening/closing door hinge 35 connecting the first opening/closing door 31 and the second opening/closing door 33.

The opening/closing door hinge 35 is disposed on a continuous straight line with a hinge attached to the folding lower step 15, and the first opening/closing door 31 and the second opening/closing door 33 are folded or unfolded along with the folding lower step 15.

A stopper plate 37 is further attached to an edge of the second opening and closing door 33 contacting the emergency exit 17, and the stopper plate 37 protrudes from the second opening and closing door 33 toward the rear of the second opening and closing door 33, and is locked to the edge of the emergency exit 17 when the second opening and closing door 33 closes the emergency exit 17, thereby preventing the second opening and closing door 33 from rotating in the lower direction of the emergency exit 17.

A lower damper 39 may be installed between the first base plate 11 and the first opening/closing door 31, one end of the lower damper 39 may be pivotally fixed to the first opening/closing door 31, and the other end of the lower damper 39 may be pivotally fixed to the first base plate 11, and may push the opened folding emergency exit opening/closing unit 19 upward with a predetermined force.

In addition, a half-transverse-width handle 41 is mounted on the upper surface of the second opening/closing door 33.

As shown in fig. 8, reinforcing chains 29(Chain) connecting the wall fixing frame 1 and the outer frame 3 are installed at both sides of the lower portion of the wall fixing frame 1, which is spaced apart from the foldable side elevating unit 9 by a predetermined height.

As shown in fig. 4 and 9 to 13, the upper evacuation structure changing unit 23 includes: a locking lever fixing bracket 43 fixedly installed on the upper portion of the outer frame 3 and protruding toward the wall fixing frame 1; a lock lever 45, which is a straight Bar (Bar) standing along the vertical direction and has an upper surface fixed to the rear end of the bottom surface of the lock lever fixing bracket 43; an outer frame locking unit 49 installed on an upper portion of the wall fixing frame 1 facing the locking lever 45, and including a hook 47, wherein the locking lever 45 is locked and fixed to the hook 47 when the hook 47 faces the locking lever 45, and the hook 47 is interlocked with the upper handle 21 and elastically axially rotated according to an operation of the upper handle 21, thereby releasing the held locking lever 45; and a pair of upper dampers 51(Shock absorbers) having one end fixed to the upper portion of the wall fixing frame 1 and the other end fixed to the second side wall 7 of the foldable side elevating unit 9 provided at the left or right side of the wall fixing frame 1, and rotating the shaft and pushing out the second side wall 7 connected to the wall fixing frame 1 when the locking lever 45 is disengaged from the hook 47, thereby moving the outer frame 3 forward and unfolding the foldable side elevating unit 9, the foldable lower step 15 and the foldable emergency exit opening and closing unit 19 which are folded.

As shown in fig. 14 to 16, the upper evacuation structure changing unit 23 includes: a Handle assembly 53 having an upper Handle 21(Handle) mounted on the front surface thereof for pivoting in a clockwise direction or a counterclockwise direction; a handle bracket 55 (handlebucket) mounted on the rear of the handle assembly 53; a rotation bolt 57 which passes through the handle bracket 55 and extends rearward of the handle assembly 53, and rotates with the upper handle 21; a first nut 59 fastened to the rotating bolt 57; a pry Bar 61(Lever) having a Bar shape, one side of which is fixedly penetrated through the rotary bolt 57 and rotates along with the rotary bolt 57; a second nut 63 fastened to the rotary bolt 57 and clamping the pry bar 61 fitted into the rotary bolt 57 together with the first nut 59; a Wire 65(Wire) having one end fixed to the other side of the pry bar 61 and the other end connected to the outer frame locking unit 49; and a Handle Cover 67(Handle Cover) covering the Handle bracket 55 to which the rotary bolt 57, the first nut 59, the pry bar 61, the second nut 63, and the lead wire 65 are attached. When the upper handle 21 is rotated in either direction, the wire 65 connected to the pry bar 61 is pulled, and the hook 47 of the outer frame lock unit 49 is axially rotated by the wire 65 and releases the held lock lever 45.

As shown in fig. 15, a circular hole 69 is formed through the handle bracket 55 to form a common center with the rotation bolt 57, a circular groove 71 is formed in the rear surface of the handle unit 53 to form a common center with the circular hole 69, an inner rotation plate 75 is fitted into the circular groove 71, the inner rotation plate 75 has a circular plate shape, a first rotation bolt through hole 73 through which the rotation bolt 57 passes penetrates the inner rotation plate 75, an outer rotation plate 77 is provided on the inner rotation plate 75, the outer rotation plate 77 has a circular plate shape, is fitted into the circular groove 71, and is centrally inserted and coupled with the rotation bolt 57 and is bolt-coupled with the inner rotation plate 75.

The inner and outer rotating plates 75 and 77 prevent the rotation center of the rotation bolt 57 from being shifted while dispersing the weight applied to the rotation bolt 57.

The lower evacuation structure changing unit 27 differs only in that the lock lever 45 locked by the hook 47 provided on the next floor is disengaged from the hook 47 when the lower handle 25 is operated, and the entire structure thereof is the same as that of the upper evacuation structure changing unit 23, and thus detailed description thereof is omitted.

The operation of the fire or other disaster evacuation facility in the building according to the present invention constructed as described above will be described with reference to fig. 1 to 18 as follows.

When a fire breaks out inside a high-rise building and the upper and lower handles 21 and 25 are operated, the locking levers 45 provided at the current and next floors are disengaged from the hooks 47.

The upper dampers 51 provided on the current floor and the next floor push the second side walls 7 apart, the first side walls 5 and the second side walls 7 are unfolded in a straight line shape, and the outer frame 3 is moved forward to unfold the folded first and second bottom plates 11 and 13 and the first and second opening/ closing doors 31 and 33 in a straight line shape.

The person who avoids the fire or disaster stands on the first and second bottom plates 11 and 13 which are unfolded, then lifts the half-transverse-n-shaped handle 41 installed at the second opening and closing door 33, and can move to the next floor through the emergency exit 17 after opening the emergency exit 17.

In the building according to the present invention, the evacuation facility for fire or other disaster having the above-described structure is used as a safety fence for preventing falling at a normal time when there is no risk of fire or disaster, and the structure can be changed to a shelter evacuation facility when a fire or disaster occurs.