KR102593689B1 - Fire-resistant fire door for apartment house - Google Patents

Abstract

The present invention relates to a fire door (1) that is axially installed on a fire door frame (50) of an apartment complex and rotates to open or close. The upper and lower left ends of the fire door frame (50) are installed on an axis and rotate, and the front has a rectangular ring shape. , an upper frame 11 with a side cross-section in the shape of "┏┓" is formed, a lower frame 12 with a side cross-section in the shape of "┗┛" is formed, and a bottom frame 12 with a horizontal cross-section in the shape of "┏┓" is formed. A fire door extension rail frame (10) in which a left end frame (13) is formed, and a right end frame (14) is formed in a "┗┛" shape in flat cross-section and has a door handle installation hole (14a) at the front center; It is a vertically standing frame, and at the tip, the upper and lower vertical outer wings (21, 22) are inserted into the inside and outside of the upper and lower frame (11, 12) and the left and right side end frames (13, 14) of the fire door expansion rail frame (10) and stand vertically. ) and the left and right vertical outer wings 23 and 24 are formed, respectively, and the upper and lower vertical edges of the upper and lower vertical outer wings 21 and 22 and the inner ends of the left and right vertical outer wings 23 and 24 are vertically bent outward and extend horizontally, respectively. The outer horizontal wings (21a, 22a) and the left and right outer horizontal wings (23a, 24a) are formed, respectively, and the upper and lower outer horizontal wings (21a, 22a) and the outer ends of the left and right outer horizontal wings (23a, 24a) meet and are bent vertically. An outer vertical door plate 25 having an outer pocket recess 25a is formed on the inner surface forming a vertical plane, and an outer flame retardant foam 26, which is a vertically standing plate inserted into the outer pocket recess 25a, is formed, and a flat surface is formed. An arc-shaped spring plate curved inward from the upper and lower vertical outer wings (21, 22) and fastened to the center side of the outer surface by anchor bolts (27b, 28b) and nuts (27c, 28c) (27a, 28a), respectively, and is located between the upper and lower vertical outer wings (21, 22) and the outer surfaces of the upper and lower frames (11, 12), and is returned to its original position by elasticity when sliding outward within the fire door expansion rail frame (10). An outer sliding expansion door (20) on which foot springs (27, 28) are formed, respectively; It is a frame standing vertically on the indoor side inside the fire door expansion rail frame (10) in vertical symmetry with the outer sliding expansion door (20), and has upper and lower frames (11, 12) of the fire door expansion rail frame (10) at the tip, and Upper and lower vertical inner wings (31, 32) and left and right vertical inner wings (33, 34) are respectively inserted and vertically erected inside the left and right end frames (13, 14), and upper and lower vertical inner wings (31, 32) are formed, respectively. ) and the left and right side vertical inner wings (33, 34), the upper and lower inner horizontal wings (31a, 32a) and the left and right inner horizontal wings (33a, 34a), which are vertically bent inward and extend horizontally, are formed at the inner ends, respectively, and the upper and lower ends are formed, respectively. The inner horizontal wings (31a, 32a) and the inner ends of the left and right inner horizontal wings (33a, 34a) meet and are vertically bent to form a vertical plane, forming an inner vertical door plate (35) having an inner pocket recess (35a) on the inner surface, The inner flame retardant foam 36, which is a vertically standing plate inserted into the inner pocket recess 25a, is formed, and is an arc-shaped spring plate curved inward in a plane, on the inner side of the upper and lower vertical inner wings 21 and 22. It has fastening holes (37a, 38a) that are fastened and fixed by anchor bolts (37b, 38b) and nuts (37c, 38c) between the upper and lower vertical inner wings (31, 32) and the inner surfaces of the upper and lower frames (11, 12). An inner sliding expansion door (30) located in the fire door expansion rail frame (10) and formed with upper and lower restoration bullet springs (37, 38) that are returned to the original position by elasticity when sliding inward within the fire door expansion rail frame (10); And a tube body formed of a vertically erected rectangular plate-shaped silica corrugated fabric located between the outer flame retardant foam 26 of the outer sliding expansion door 20 and the inner flame retardant product 36 of the inner sliding expansion door 30, on one side An antifreeze inlet (43) is formed to fill the interior by injecting antifreeze (42), and end expansion wrinkles (41) that expand and contract by heat are formed on the upper and lower end surfaces and the left and right end surfaces, respectively, and expand by external heat and when the heat dissipates. It relates to a fire-response fire door for an apartment complex equipped with an antifreeze expansion tube frame (40) that is returned to its original position.
This invention includes a fire door expansion rail frame, an outer sliding expansion door installed on the outside of the fire door expansion rail frame and sliding outward by heat, and an inner sliding door installed on the inside of the fire door expansion rail frame and sliding inward by heat. It is equipped with a sliding expansion door and an antifreeze expansion tube frame that is located between the outer sliding expansion door and the inner sliding expansion door and expands due to heat and returns to its original position when extinguished. In the event of an actual fire, it expands internally due to the high-temperature heat of the flame or the flame and releases the heat itself. As it is extinguished, there is little concern about thermal deformation or damage due to heat in the event of a fire, and it has the effect of effectively preventing the spread of fire.

Description

{Fire-resistant fire door for apartment house}

The present invention relates to a fire-response fire door for an apartment complex, and more specifically, to a fire door expansion rail frame, an outer sliding expansion door installed on the outside of the fire door expansion rail frame and sliding outward by heat, and a fire door expansion rail frame. It is equipped with an inner sliding expansion door that is installed on the inside and slides inward by heat, and an antifreeze expansion tube frame that is located between the outer sliding expansion door and the inner sliding expansion door and expands by heat and returns to its original position when extinguished, so that in the event of an actual fire, the flame is prevented. This relates to a fire-responsive fire door for apartment buildings that self-extinguishes heat by expanding internally due to high-temperature heat or flame, so there is little concern about thermal deformation or damage due to heat in the event of a fire and can effectively prevent the spread of fire.

In general, as the population is concentrated in cities, the number of high-rise buildings such as apartments and buildings is increasing. In the event of a fire in these high-rise buildings, there is a risk of fatal casualties, so the installation of emergency exits and fire doors is mandatory, and various types of buildings such as fire escapes are required. A means of evacuation is provided.

However, in the event of a fire in most high-rise buildings, very few people are aware of how to use an evacuator, so evacuation through an evacuator is rarely achieved. In the case of an emergency exit, it acts as a chimney in the event of a fire, removing exhaust fumes and toxic substances. As the gas builds up, evacuating through the emergency exit becomes difficult.

Therefore, a fire escape room is known to be located on the balcony of a conventional apartment building or inside a high-rise building, where people who are unable to evacuate in the event of a fire can evacuate until firefighters arrive.

These fire escape rooms are installed on the balconies of apartments or inside high-rise buildings. They include an evacuation room that is blocked on all sides and the top and bottom, a fire door provided on the interior side of the evacuation room to allow people to enter, and a fire escape room inside the evacuation room. It includes an exit door provided on the outdoor side of the evacuation room so that evacuees can escape to the ground through a ladder truck.

However, after people evacuate to the inside of the fire escape room, with the fire door on the entrance side closed, the heat from the flame and toxic gases spreading into the room are quickly conducted through the fire door, and then this conductive heat is transferred directly to the inside of the escape room. It is currently flowing in.

Therefore, conventionally, as the heat of the flame spreading indoors and the toxic gases quickly flow into the interior of the evacuation room, the interior of the evacuation room is filled with toxic gases, and the internal temperature of the evacuation room rises in a short period of time, causing evacuees to suffer from high fever. You may suffer burns or suffocation due to toxic gases.

As a representative prior art of a fire door for a fire escape room installed in the interior of an apartment complex, "a heat-insulating fire door (1) formed in an evacuation room (10) in communication with the interior of an apartment complex and serving as an entrance, the heat-insulating fire door (1) (1) is a door frame (2) installed at the entrance opening (20) of the evacuation room (10), and is connected to the inside and outside of the door frame (2) by a plurality of one-side hinge parts (4) to enable opening and closing. A door (3) provided with a locking means (5) provided on the other side of the door (3) and the other side of the door frame (2) to close the door (3), and an outer plate of the door (3) (33) is formed so that the center protrudes outward from both ends to prevent the ends from expanding to both sides due to contact with high temperature heat, and the locking means (5) is operated to open the door (3). It includes a pull lock part 51 that pulls inward to close the door 3, and the pull lock part 51 is formed to protrude inward from the other side of the door frame 2 and has a lower pressing inclined surface 522 on the inside. ) and a middle insertion groove 523, which is formed on the pulling cam surface 521 and has a locking protrusion protruding from the upper part of the inner side, and a rotatable longitudinal direction on the other side of the door 3. A handle portion 53 is mounted penetratingly and has inner and outer rotary knobs 531 and 532, and is formed to protrude outward around the inner rotary knob 531 and is connected to the inner rotary knob 531 or the outer rotary knob 531. It is characterized by including a rotation pull shaft 54 that is closely raised to the pull cam surface 521 through rotation of the rotary knob 532 and is inserted into the middle insertion groove 523 while pulling the door 3 to the inside. “Thermal insulation fire door for fire escape room.” was disclosed as Patent Registration No. 10-1585378 (announced on January 22, 2016). It prevents distortion of both ends of the door by preventing expansion of both sides of the outer plate that constitutes the door in the event of a fire. By preventing gaps at both ends of the door from which toxic gases can enter the interior of the evacuation room, it provides the effect of preventing suffocation accidents for evacuees.

However, in this prior art, the fire resistance of the fire door is low, so the fire door is damaged or deformed due to the heat of the flame spreading indoors, and thus cannot guarantee the safety of evacuees, and also cannot guarantee the safety of evacuees through the fire door through the inside of the evacuation room. There were problems with evacuees suffering burns and casualties because they could not effectively block the high temperature heat transmitted to the area.

In order to solve this problem, in the "fire door (10) installed at the entrance of the fire escape room (100) in an apartment building, an insulating material (20) installed inside the fire door (10); of the fire door (10) A heat-insulating space portion 30 installed inside and disposed in front of the insulating material 20; An exterior panel 40 surrounding the outside of the insulating material 20 and the insulating space 30; The insulating material 20 ) and a viewing window 50 installed penetrating the heat-insulating space 30 and the exterior panel 40 to check the inside of the evacuation room 100, and the heat-insulating space 30 is a metal steel plate. It is composed of a rectangular sealed space using a rectangular sealed space, and is installed in close contact with the indoor front of the insulating material 20 from the inside of the fire door 10, and is installed by inserting either red clay powder or clay powder into the sealed internal space. The exterior panel 40 has an expansion portion 41 formed vertically on the front portion, and the expansion portion 41 is formed to protrude in a semicircular shape, and is formed in a fine size on the front portion of the exterior panel 40 to insulate heat. "A fire door for a fire escape room, wherein protrusions 42 are formed, while the heat-insulating protrusions 42 protrude in a semicircular shape." was disclosed as Patent Registration No. 10-2061008 (announced on January 8, 2020).

However, this type of fire door for a fire escape room has a fire-resistant insulating material 20 built into the fire door 10, and a heat-insulating space 30 is formed on the front of the insulating material 20, thereby increasing the fire resistance of the fire door 10. While it is possible to prevent suffocation of evacuees by blocking toxic gases, there was a structural problem in that there was a high risk of thermal deformation of the exterior panel due to the high temperature of the flame or the flame in the event of a fire.

(KR) Republic of Korea Patent Registration No. 10-1585378 (announced on January 22, 2016) (KR) Republic of Korea Patent Registration No. 10-2061008 (announced on January 8, 2020)

The present invention is intended to solve the problems described above, and includes a fire door expansion rail frame, an outer sliding expansion door installed on the outside of the fire door expansion rail frame and sliding outward when opened, and a fire door expansion rail frame installed on the inside of the fire door expansion rail frame. It is equipped with an inner sliding expansion door that slides inward by heat, and an antifreeze expansion tube frame that is located between the outer sliding expansion door and the inner sliding expansion door and expands by heat and returns to its original position when extinguished, so that in the event of an actual fire, the high temperature heat of the flame or flames is provided. The purpose is to provide a fire-responsive fire door for apartment buildings that can effectively prevent the spread of fire, with little risk of thermal deformation or damage due to heat in the event of a fire, as it expands internally and dissipates heat by itself.

The problem to be solved by the present invention is not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the description below.

In order to achieve this purpose, the present invention relates to a fire door (1) that is installed on a axis in the fire door frame (50) of an apartment complex and rotates to open or close,

The upper and lower left ends of the fire door frame 50 are installed on an axis, rotated, and have a rectangular ring shape on the front, forming an upper frame 11 with a side cross-section in the shape of "┏┓" and a side cross-section of "┗". The lower frame 12 in the shape of ┛" is formed, and the left end frame 13 is formed in the shape of "┏┓" in the horizontal cross-section, and the door handle installation hole (14a) is formed in the center of the front with the horizontal cross-section in the shape of "┗┛". ) A fire door extension rail frame (10) having a right end frame (14) formed thereon;

It is a vertically standing frame, and at the tip, the upper and lower vertical outer wings (21, 22) are inserted into the inside and outside of the upper and lower frame (11, 12) and the left and right side end frames (13, 14) of the fire door expansion rail frame (10) and stand vertically. ) and the left and right vertical outer wings 23 and 24 are formed, respectively, and the upper and lower vertical edges of the upper and lower vertical outer wings 21 and 22 and the inner ends of the left and right vertical outer wings 23 and 24 are vertically bent outward and extend horizontally, respectively. The outer horizontal wings (21a, 22a) and the left and right outer horizontal wings (23a, 24a) are formed, respectively, and the upper and lower outer horizontal wings (21a, 22a) and the outer ends of the left and right outer horizontal wings (23a, 24a) meet and are bent vertically. An outer vertical door plate 25 having an outer pocket recess 25a is formed on the inner surface forming a vertical plane, and an outer flame retardant foam 26, which is a vertically standing plate inserted into the outer pocket recess 25a, is formed, and a flat surface is formed. An arc-shaped spring plate curved inward from the upper and lower vertical outer wings (21, 22) and fastened to the center side of the outer surface by anchor bolts (27b, 28b) and nuts (27c, 28c) (27a, 28a), respectively, and is located between the upper and lower vertical outer wings (21, 22) and the outer surfaces of the upper and lower frames (11, 12), and is returned to its original position by elasticity when sliding outward within the fire door expansion rail frame (10). An outer sliding expansion door (20) in which footrest springs (27, 28) are formed, respectively;

It is a frame standing vertically on the indoor side inside the fire door expansion rail frame (10) in vertical symmetry with the outer sliding expansion door (20), and has upper and lower frames (11, 12) of the fire door expansion rail frame (10) at the tip, and Upper and lower vertical inner wings (31, 32) and left and right vertical inner wings (33, 34) are respectively inserted and vertically erected inside the left and right end frames (13, 14), and upper and lower vertical inner wings (31, 32) are formed, respectively. ) and the left and right side vertical inner wings (33, 34), the upper and lower inner horizontal wings (31a, 32a) and the left and right inner horizontal wings (33a, 34a), which are vertically bent inward and extend horizontally, are formed at the inner ends, respectively, and the upper and lower ends are formed, respectively. The inner horizontal wings (31a, 32a) and the inner ends of the left and right inner horizontal wings (33a, 34a) meet and are vertically bent to form a vertical plane, forming an inner vertical door plate (35) having an inner pocket recess (35a) on the inner surface, The inner flame retardant foam 36, which is a vertically standing plate inserted into the inner pocket recess 25a, is formed, and is an arc-shaped spring plate curved inward in a plane, on the inner side of the upper and lower vertical inner wings 21 and 22. It has fastening holes (37a, 38a) that are fastened and fixed by anchor bolts (37b, 38b) and nuts (37c, 38c) between the upper and lower vertical inner wings (31, 32) and the inner surfaces of the upper and lower frames (11, 12). An inner sliding expansion door (30) located in the fire door expansion rail frame (10) and formed with upper and lower restoration bullet springs (37, 38) that are returned to the original position by elasticity when sliding inward within the fire door expansion rail frame (10); and

It is a tube body formed of a vertically erected rectangular plate-shaped silica corrugated fabric located between the outer flame retardant foam 26 of the outer sliding expansion door 20 and the inner flame retardant product 36 of the inner sliding expansion door 30, and has an inner side on one side. An antifreeze inlet 43 is formed through which antifreeze 42 is injected and filled, and end expansion wrinkles 41 that expand and contract by heat are formed on the upper and lower sections and the left and right sides, respectively, which expand by external heat and return to their original position when the heat dissipates. It has the feature of being provided with an antifreeze expansion tube frame (40).

As such, the present invention includes a fire door expansion rail frame, an outer sliding expansion door installed on the outside of the fire door expansion rail frame and sliding outward by heat, and a fire door expansion rail frame installed on the inside of the fire door expansion rail frame and sliding inward by heat. It is equipped with an antifreeze expansion tube frame that is located between the inner sliding expansion door and the outer sliding expansion door and the inner sliding expansion door and expands by heat and returns to its original position when extinguished. In the event of an actual fire, it expands and opens internally due to the high temperature heat of the flame or the flame. As it self-extinguishes, there is little concern about thermal deformation or damage due to heat in the event of a fire, and it has the effect of effectively preventing the spread of fire.

The present invention is not limited to the specific preferred embodiments described above, and various modifications can be made by anyone skilled in the art without departing from the gist of the invention as claimed in the claims. Of course, such changes are within the scope of the claims.

1 is an exploded perspective view showing the fastening of a fire-response fire door for an apartment complex, which is an embodiment of the present invention;
Figure 2 is a side cross-sectional view showing the construction of a fire-responsive fire door for an apartment complex, which is an embodiment of the present invention, in a state of use;
Figure 3 is a front view showing the construction of a fire-responsive fire door for an apartment complex, which is an embodiment of the present invention, in a state of use;
Figure 4 is an enlarged cross-sectional view of the main part showing the operating state during a fire after construction of a fire-responsive fire door for an apartment complex, which is an embodiment of the present invention.

Hereinafter, the present invention will be described in more detail with the accompanying drawings.

Hereinafter, with reference to the attached drawings, embodiments of the present invention will be described in detail so that those skilled in the art can easily implement the present invention. The present invention may be implemented in many different forms and is not limited to the embodiments described herein.

In order to clearly explain the present invention in the drawings, parts not related to the description are omitted, and identical or similar components are given the same reference numerals throughout the specification. The scope of rights of the present invention should not be construed as being limited by the embodiments described in the text, and since the embodiments can be modified in various ways and have various forms, the scope of rights of the present invention should not be construed as limited by the embodiments described in the text. It should be understood to include equivalents.

Throughout the specification of the present invention, when a part is said to be “connected” to another part, this includes not only “directly connected” but also “indirectly connected” through another member. Additionally, when a part "includes" a certain component, this means that it may further include other components, rather than excluding other components, unless specifically stated to the contrary.

The terms used in the present invention are terms defined in consideration of the functions in the present invention, and may vary depending on the intention or custom of the user or operator, so the definitions of these terms are defined in accordance with the technical details of the present invention. It should be interpreted as a concept.

Additionally, optional terms in the examples below are used to distinguish one component from another component, and the components are not limited by the terms. Hereinafter, in describing the present invention, detailed descriptions of related known technologies that may unnecessarily obscure the gist of the present invention will be omitted.

The fire-response fire door (1) for an apartment complex of the present invention is installed on an axis to the fire door frame (50) of an apartment complex and rotates to open or close, and includes a fire door extension rail frame (10) and an outer sliding expansion door (20). It consists of an inner sliding expansion door (30), and an antifreeze expansion tube frame (40).

The fire door extension rail frame (10) is a frame in which the upper and lower left ends of the fire door frame (50) are axially installed and pivoted, and the front side forms a rectangular ring shape. The upper frame (11) has a side cross-section in the shape of "┏┓". ) is formed, the lower frame 12 whose side cross-section is shaped like “┗┛” is formed, and the left end frame 13 whose horizontal cross-section is shaped like “┏┓” is formed, and whose horizontal cross-section is shaped like “┗┛” A right end frame 14 having a door handle installation hole 14a at the front center is formed.

The outer sliding expansion door (20) is a vertically erected frame, and its tip is inserted into the inside and outside of the upper and lower end frames (11 and 12) and the left and right end frames (13 and 14) of the fire door expansion rail frame (10), respectively, so that it is vertical. Standing upper and lower vertical outer wings (21, 22) and left and right vertical outer wings (23, 24) are formed, respectively, at the inner ends of the upper and lower vertical outer wings (21, 22) and the left and right vertical outer wings (23, 24). Upper and lower outer horizontal wings (21a, 22a) and left and right outer horizontal wings (23a, 24a), which are vertically bent outward and extended horizontally, are formed, respectively, and upper and lower outer horizontal wings (21a, 22a) and left and right outer horizontal wings ( 23a, 24a) The outer ends meet and are vertically bent to form a vertical plane, forming an outer vertical door plate 25 having an outer pocket recess 25a on the inner side, and the outer vertical plate being inserted into the outer pocket recess 25a. Flame-retardant foam (26) is formed, and anchor bolts (27b, 28b) and nuts (27c, 28c) are placed on the center side of the outer surface of the upper and lower vertical outer wings (21, 22) as an arc-shaped spring plate curved inward from a plane. It has fastening holes (27a, 28a) that are fastened and fixed by each, and is located between the upper and lower vertical outer wings (21, 22) and the outer surfaces of the upper and lower frames (11, 12) to the outside within the fire door expansion rail frame (10). Upper and lower restoration springs 27 and 28 are formed, respectively, to return to the original position by elasticity during sliding movement.

The inner sliding expansion door 30 is a frame standing vertically on the indoor side inside the fire door expansion rail frame 10 in vertical symmetry with the outer sliding expansion door 20, and has a tip of the fire door expansion rail frame 10 ), upper and lower vertical inner wings (31, 32) and left and right vertical inner wings (33, 34) are respectively inserted into the upper and lower frames (11, 12) and the left and right side end frames (13, 14) and stand upright. The upper and lower inner horizontal wings (31a, 32a) and the left and right inner horizontal wings (31a, 32a) are vertically bent inward and extend horizontally from the inner ends of the upper and lower vertical inner wings (31, 32) and the left and right vertical inner wings (33, 34), respectively. 33a and 34a) are formed, respectively, and the upper and lower inner horizontal wings (31a and 32a) and the inner ends of the left and right inner horizontal wings (33a and 34a) meet and are vertically bent to form a vertical plane and have an inner pocket recess (35a) on the inner surface. An inner vertical door plate 35 is formed, and an inner flame retardant foam 36, which is a vertically standing plate inserted into the inner pocket recess 25a, is formed, and the upper and lower vertical inner sides are formed by an arc-shaped spring plate curved inward in a plane. The wings (21, 22) have fastening holes (37a, 38a) on the center side of the inner surface, respectively, which are fastened and fixed by anchor bolts (37b, 38b) and nuts (37c, 38c), and the upper and lower vertical inner wings (31, 32) Upper and lower restoration springs (37, 38) are formed, which are located between the inner surfaces of the upper and lower frames (11, 12) and are returned to the original position by elasticity when sliding inward within the fire door expansion rail frame (10).

The antifreeze expansion tube frame 40 is a vertically erected rectangular plate located between the outer flame retardant foam 26 of the back and forth side sliding expansion door 20 and the inner flame retardant product 36 of the inner sliding expansion door 30. It is a tube body formed of silica pleated fabric, and on one side, an antifreeze inlet (43) is formed to fill the interior by injecting antifreeze (42), and end expansion wrinkles (41) that are expanded and contracted by heat are formed on the upper and lower end surfaces and the left and right end surfaces, respectively. It expands due to external heat and returns to its original position when the heat dissipates.

The present invention includes a fire door expansion rail frame (10), an outer sliding expansion door (20) installed on the outside of the fire door expansion rail frame (10) and sliding outward by opening, and a fire door expansion rail frame (10). ) is installed on the inside of the inner sliding expansion door (30), which slides inward by heat, and is located between the outer sliding expansion door (20) and the inner sliding expansion door (30), expands by heat, and returns to its original position when extinguished. Equipped with an antifreeze expansion tube frame (40), in the event of an actual fire, the antifreeze (42) of the antifreeze expansion tube frame (40) expands internally due to the high-temperature heat of the flame or flames, thereby self-extinguishing heat in the event of a fire. There is little concern about thermal deformation or damage due to this, and this effectively prevents the spread of fire.

This embodiment and the drawings attached to this specification only clearly show a part of the technical idea included in the present invention, and those skilled in the art can easily infer within the scope of the technical idea included in the specification and drawings of the present invention. It is obvious that all possible modifications and specific embodiments are included within the scope of the technical idea of the present invention.

The scope of the present invention is indicated by the claims described later rather than the detailed description, and all changes or modified forms derived from the meaning and scope of the claims and the equivalent concept should be construed as being included in the scope of the present invention.

One ; fire door
10: Fire door expansion rail frame
20: Outer sliding expansion door
30: Inner sliding expansion door
40: Antifreeze expansion tube frame
50: Fire door frame

Claims (1)

In the fire door (1), which is installed on an axis in the fire door frame (50) of an apartment complex and rotates to open or close,
The upper and lower left ends of the fire door frame 50 are installed on an axis, rotated, and have a rectangular ring shape on the front, forming an upper frame 11 with a side cross-section in the shape of "┏┓" and a side cross-section of "┗". The lower frame 12 in the shape of ┛" is formed, and the left end frame 13 is formed in the shape of "┏┓" in the horizontal cross-section, and the door handle installation hole (14a) is formed in the center of the front with the horizontal cross-section in the shape of "┗┛". ) A fire door extension rail frame (10) having a right end frame (14) formed thereon;
It is a vertically standing frame, and at the tip, the upper and lower vertical outer wings (21, 22) are inserted into the inside and outside of the upper and lower frame (11, 12) and the left and right side end frames (13, 14) of the fire door expansion rail frame (10) and stand vertically. ) and the left and right vertical outer wings 23 and 24 are formed, respectively, and the upper and lower vertical edges of the upper and lower vertical outer wings 21 and 22 and the inner ends of the left and right vertical outer wings 23 and 24 are vertically bent outward and extend horizontally, respectively. The outer horizontal wings (21a, 22a) and the left and right outer horizontal wings (23a, 24a) are formed, respectively, and the upper and lower outer horizontal wings (21a, 22a) and the outer ends of the left and right outer horizontal wings (23a, 24a) meet and are bent vertically. An outer vertical door plate 25 having an outer pocket recess 25a is formed on the inner surface forming a vertical plane, and an outer flame retardant foam 26, which is a vertically standing plate inserted into the outer pocket recess 25a, is formed, and a flat surface is formed. An arc-shaped spring plate curved inward from the upper and lower vertical outer wings (21, 22) and fastened to the center side of the outer surface by anchor bolts (27b, 28b) and nuts (27c, 28c) (27a, 28a), respectively, and is located between the upper and lower vertical outer wings (21, 22) and the outer surfaces of the upper and lower frames (11, 12), and is returned to its original position by elasticity when sliding outward within the fire door expansion rail frame (10). An outer sliding expansion door (20) on which foot springs (27, 28) are formed, respectively;
It is a frame standing vertically on the indoor side inside the fire door expansion rail frame (10) in vertical symmetry with the outer sliding expansion door (20), and has upper and lower frames (11, 12) of the fire door expansion rail frame (10) at the tip, and Upper and lower vertical inner wings (31, 32) and left and right vertical inner wings (33, 34) are respectively inserted and vertically erected inside the left and right end frames (13, 14), and upper and lower vertical inner wings (31, 32) are formed, respectively. ) and the left and right side vertical inner wings (33, 34), the upper and lower inner horizontal wings (31a, 32a) and the left and right inner horizontal wings (33a, 34a), which are vertically bent inward and extend horizontally, are formed at the inner ends, respectively, and the upper and lower ends are formed, respectively. The inner horizontal wings (31a, 32a) and the inner ends of the left and right inner horizontal wings (33a, 34a) meet and are vertically bent to form a vertical plane, forming an inner vertical door plate (35) having an inner pocket recess (35a) on the inner surface, The inner flame retardant foam 36, which is a vertically standing plate inserted into the inner pocket recess 25a, is formed, and is an arc-shaped spring plate curved inward in a plane, on the inner side of the upper and lower vertical inner wings 21 and 22. It has fastening holes (37a, 38a) that are fastened and fixed by anchor bolts (37b, 38b) and nuts (37c, 38c) between the upper and lower vertical inner wings (31, 32) and the inner surfaces of the upper and lower frames (11, 12). An inner sliding expansion door (30) located in the fire door expansion rail frame (10) and formed with upper and lower restoration bullet springs (37, 38) that are returned to the original position by elasticity when sliding inward within the fire door expansion rail frame (10); and
It is a tube body formed of a vertically erected rectangular plate-shaped silica corrugated fabric located between the outer flame retardant foam 26 of the outer sliding expansion door 20 and the inner flame retardant product 36 of the inner sliding expansion door 30, and has an inner side on one side. An antifreeze inlet 43 is formed through which antifreeze 42 is injected and filled, and end expansion wrinkles 41 that expand and contract by heat are formed on the upper and lower sections and the left and right sides, respectively, which expand by external heat and return to their original position when the heat dissipates. A fire-response fire door for an apartment complex, characterized by having an antifreeze expansion tube frame (40).