KR100759712B1 - Automatic close system which shuts down several fire doors simultaneously - Google Patents

Abstract

The present invention relates to a fire door closing system for simultaneously closing a plurality of fire doors. Such a system includes an individual fire door locking member having a fire door simultaneous closing system configured in each fire door; An individual wall embedded locking member configured to be embedded in a wall surface corresponding to the individual fire door locking member; A simultaneous releasing member for releasing a plurality of individual fire door locking members simultaneously from a plurality of said individual wall embedding locking members while moving a certain range up and down in a straight line over the upper and lower portions of the building; Driving means for driving the simultaneous release member; Each fire door is composed of an operation shaft and an outer circumferential surface of the operation shaft, the rack being slidably mounted, a pinion configured to interlock with the rack, and an operation unit composed of a pair of support walls. .

The operation unit includes a main body having a box shape; A pair of support walls formed with shaft grooves and spaced apart from each other by a predetermined distance within the body; An operating shaft seated in the shaft groove of the support wall and movable back and forth; A rack mounted to an outer surface of the working shaft and capable of sliding a predetermined distance on the working shaft; It is characterized in that it comprises a pinion connected to the rack and rotated by the movement of the rack.

In addition, the present invention, when the fire door is made of a pair of the first fire door and the second fire door, the first fire door to the first automatic door closing device and the second fire door to the second fire door automatic closing device respectively mounted oppositely, The fire door is closed in a predetermined order by configuring a sequential closing unit which is operated in conjunction with the fire door automatic closing device at an intermediate position between the first fire door automatic closing device and the second fire door automatic closing device.

Building, fire door, closure, simultaneous, automatic, fire, fire door closing system, rotating member, simultaneous release member, driving means, rotary roller

Description

Automatic close system which shuts down several fire doors simultaneously}

1 is a perspective view of a fire door automatic closing device of the present invention.

FIG. 2 is an explanatory view for explaining the configuration of the automatic fire door closing device shown in FIG. 1.

3 is an exemplary view of the present invention constituted by one fire door.

4 is an overall configuration of the fire door simultaneous closing system as an embodiment of the present invention.

5 is an explanatory diagram illustrating a connection state of the fire door of FIG.

6-10 is explanatory drawing explaining the operation | movement of FIG. 4 in order.

11 to 14 is a separate fire door engaging member as another embodiment of the present invention; In accordance with the individual fire door locking member is an embodiment of the individual wall embedded locking member that is configured in the form of embedded on the wall.

15 to 19 is an individual fire door engaging member as another embodiment of the present invention; Another embodiment of the individual wall embedded locking member configured to be embedded in the wall surface corresponding to the individual fire door locking member.

20 and 21 are explanatory views and perspective views of the sequential closing unit of the present invention.

22 is a configuration diagram of a recessed sequential closing unit.

23 is an exemplary view of a limit switch.

24 to 27 are explanatory diagrams of a rotation type sequential closing unit.

The present invention relates to a fire door simultaneous closing system for closing a plurality of fire doors at the same time. The present invention particularly relates to a fire door closing system capable of simultaneously closing a plurality of fire doors installed in a building by a simple configuration without the necessity of wiring or individual door release of each floor.

In general, fire doors are installed to prevent the spread of flames or smoke in the event of a fire in a building. Normally, fire doors that are opened should be closed by a disaster prevention signal in case of fire.

Conventionally, high-rise buildings are equipped with fire doors for each floor, and in order to close such fire doors, wiring or individual door releases have been installed for each floor.

In the event of a fire, the method of closing the fire doors by each floor is complicated in construction and high in production cost. In addition, when a fire door is to be closed at the time of power failure, a large capacity rechargeable battery is required. The invention can also close the fire door at the same time as a small-capacity rechargeable battery. In addition, the conventional invention has not only required wiring for each floor, but also requires a large amount of expense because an individual door release must be installed in each fire door. However, the present invention can perform a function with a minimum of wiring, so that the cost can be significantly reduced.

In particular, the present invention shows a great advantage when a power failure occurs. That is, the present invention has a great advantage over the prior art at the time of power failure because all the fire doors are opened by simply pulling the simultaneous release member manually.

Such a complicated wiring and a separate motor mounted on each floor have a problem in that each fire door must be closed to increase power consumption. In the case of using a large battery capacity, there is also a disadvantage that the cost of consumables necessary for the fire door system is expensive.

However, the present invention has been invented to solve the problems described above, and the present invention can close all fire doors by a small capacity storage battery.

That is, the present invention can simultaneously close the fire doors installed on each floor using a single motor, and also reduce the manufacturing cost by enabling the production of the present invention by an extremely simple configuration.

The present invention relates to a fire door simultaneous closing system for simultaneously closing a fire door of a multi-storey building, and the above object is achieved by the present invention.

The present invention is an individual fire door locking member is configured in each fire door; An individual wall embedded locking member configured to be embedded in a wall surface corresponding to the individual fire door locking member; A simultaneous releasing member for releasing a plurality of individual fire door locking members simultaneously from a plurality of said individual wall embedding locking members while moving a certain range up and down in a straight line over the upper and lower portions of the building; It consists of a drive means for driving the simultaneous release member.

3 is a diagram illustrating an exemplary view of one fire door of the present invention. A fire door is composed of a handle, and an individual fire door locking member is formed in the vicinity of the handle. Individual fire door locking member as shown in the present illustration is preferably configured to be integral with or near the handle.

In addition, when the fire door is opened 180 degrees, the individual fire wall locking member is buried in the wall where the individual fire door locking member is in contact with the wall portion is configured in a form that is seen on the surface.

The door closer 89 which functions to close the fire door normally is formed in the upper part of the fire door.

In the present invention, the term "individual" is used to emphasize that all the fire doors must be individually configured as in the individual wall locking member or the fire door locking member. In the present invention, the word "individual" is added in the intention to conceptually contrast with the simultaneous release member composed of one rope.

The present invention may also include configuring an automatic closing device on top of each fire door. Automatic closing device in the present invention operates in conjunction with the door closer, which is formed on the upper side of each fire door. In other words, the automatic closing device is used by being connected to a door closer that performs a function of automatically closing the door by using pressure such as hydraulic pressure. In the present invention, the automatic closing device is configured to be slidably mounted on the operating shaft and the outer circumferential surface of the operating shaft, as shown in FIGS. 1 and 2, the pinion configured to interlock with the rack, and a pair of support walls. It is composed of units.

The operation unit includes a main body having a box shape; A pair of support walls formed with shaft grooves and spaced apart from each other by a predetermined distance within the body; An operating shaft seated in the shaft groove of the support wall and movable back and forth; A rack mounted to an outer surface of the working shaft and capable of sliding a predetermined distance on the working shaft; It is connected to the rack and includes a pinion rotated by the movement of the rack.

In addition, the present invention, when the fire door is made of a pair of the first fire door and the second fire door, the first fire door to the first automatic door closing device and the second fire door to the second fire door automatic closing device respectively mounted oppositely, The fire door is closed in a predetermined order by configuring a sequential closing unit which is operated in conjunction with the fire door automatic closing device at an intermediate position between the first fire door automatic closing device and the second fire door automatic closing device.

When the driving means is driven by a fire signal by smoke or heat, the simultaneous release member is moved by a predetermined length and embedded in each fire door engaging member and wall surface formed by each release door by release means formed on the simultaneous release member. The fire doors that are opened by releasing the locking state of the individual wall embedding locking members are closed at the same time.

The present invention can simultaneously close the fire doors installed on each floor using a single motor, and also reduce the manufacturing cost by a simple configuration. And it is possible to check whether the fire door is closed by the sensor in the central control room, thereby increasing the merchandise.

In the present invention, the simultaneous release member is composed of a rope spanning the top and bottom of the building, the rope includes a release means of the individual wall-mounted locking member, the rope is moved by the rotating member on the top and bottom of the building. The rotating member is rotated at a predetermined angle by the drive means.

As an embodiment of the present invention, the individual fire door locking member is composed of a locking hole which is mounted to penetrate the fire door, and its front end portion is composed of a bent ring shape; Individual wall-locking members are ropes that span the top and bottom of the building

As another embodiment of the present invention, the individual fire door locking member is formed with a ring on the fire door; The individual wall-mounted locking member is formed with a seating groove for seating the ring, it is composed of a hinge that is rotatable at a predetermined angle by a hinge, a spring that gives elasticity to the binder and an operating tool for controlling the rotation of the binder.

In another embodiment of the present invention, the individual fire door locking member is formed of a plate having a predetermined thickness on the fire door, and fastening grooves are formed on both sides of the plate, and the fire door locking member is rotated by moving the rope of the simultaneous release member. A rotating ring is formed; The individual wall-locking locking member is rotatable at a predetermined angle by a hinge and is composed of a pair of bending spheres, one end of which is bent, and the other end of the pair of bending spheres is configured to be elastically supported by a spring.

In the present invention, the driving means is mounted on the lower floor of the building and the lower rotating member for moving the simultaneous release member; and a motor for driving the lower rotating member at a predetermined angle; and a reducer for reducing the rotational speed of the motor. In addition, the driving means is mounted on the lower rotation means driven by the motor and the stop jaw mounted on the outer circumferential surface of the lower rotation means and the driving roller is rotated at a predetermined angle to the stopper and the stopper facing the stop jaw It can be configured as a sensor that detects the stop jaw encounters the stopper.

In the present invention, when the fire door is made of a pair of the first fire door and the second fire door, the first fire door and the second fire door automatic closing device and the second fire door automatic closing device is installed to face each other, In the intermediate position between the first door automatic closing device and the second door automatic closing device may be configured a sequential closing unit that is operated in conjunction with the automatic fire door closing device.

Examples of such a sequential closing unit include a case; A seating opening elastically supported by a spring in the case; A protrusion formed integrally with the seat and protruding out of the case; There is one composed of an insertion hole formed in the case. Another embodiment of the sequential closing unit includes a box-shaped case; A rotary ball seated rotatably by a hinge inside the case; A coil spring for generating a rotational force in the rotational direction in the rotating sphere; It is composed of a stop jaw to limit the rotation of the rotary sphere. The sequential closing unit in the present invention may be configured to additionally include a sensor that can detect the movement of the second working shaft.

Fire doors of each floor in the present invention may be configured to be closed by the door closer.

Fire door simultaneous closing system according to the present invention is mounted on the building consisting of a plurality of floors to simultaneously and automatically close the fire doors installed on each floor in accordance with a signal input from the outside, such as a fire signal.

In a typical building, elevators and stairs are used to move to each floor, and each step is provided with a door that can move to the floor. In addition, the structure of each floor is also arranged almost identically, and the fire door is installed in the substantially same position of each floor. In other words, the fire doors of a building are usually installed at the same location on each floor. The present invention is a convenient invention that fully utilizes the structural form of such a fire door.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, and like reference numerals designate like parts throughout the drawings.

1 is a perspective view of a fire door automatic closing device according to an embodiment of the present invention, Figure 2 is a perspective view showing the configuration of the fire door automatic closing device shown in FIG.

As shown in the drawing, the fire door closing device indicated by reference numeral 1000 is operated in conjunction with a door closer that automatically closes the fire door by the force of hydraulic pressure, and the position is configured on the upper part of the fire door as the door closer. .

In the present invention, the automatic closing device is composed of an operation unit, which is composed of a main body, a support wall, an operation shaft, a rack, and a pinion. The main body has a box shape and a space portion is formed therein to accommodate various components. One end of the operation shaft 130, which will be described later, and the operation bar 1160 interlocked with the pinion 1150 may protrude to the main body.

The support wall 1120 having a shaft groove is mounted in a pair inside the main body, and the support wall 1120 is mounted to be spaced a predetermined distance apart, and the operating shaft 130 is seated on the support wall 1120. It can be slid. The rack 1140 is slidably mounted on the outer circumferential surface of the operating shaft 130. The rack 1140 has a hexahedron shape, and gears are formed on one side to function as a rack, and a through hole is formed at a central portion thereof so that the operating shaft 130 is penetrated. Accordingly, the rack 1140 seated between the pair of support walls 1120 may slide a predetermined distance, and the rack 1140 may have a screw thread on the outer surface of the operating shaft 130 to control the slide distance. 1170 is formed, and a nut 1180 is fastened to the thread 1170. Therefore, the user can adjust the slide length of the rack 1140 by the rotation of the nut 1180.

 The pinion 1150 is mounted at a portion adjacent to the rack 1140 so that the pinion 1150 can rotate as the rack 1140 moves. The pinion 1150 is connected to the operation bar 1160, and the operation bar 1160 is connected to the door closer through the main body.

4 to 10 is a view for explaining a fire door simultaneous closing system according to an embodiment of the present invention.

4 is an overall configuration diagram of a simultaneous fire door closing system, Figure 5 is a cross-sectional view for explaining the connection state of the fire door of FIG.

As shown in the figure, the simultaneous simultaneous closing system of the fire door shown by reference numeral 10 and the individual fire door locking member 60 is configured in each fire door; An individual wall embedded locking member configured to be embedded in a wall surface corresponding to the individual fire door locking member; A simultaneous releasing member for releasing a plurality of individual fire door locking members simultaneously from a plurality of said individual wall embedding locking members while moving a certain range up and down in a straight line over the upper and lower portions of the building; It consists of a drive means for driving the simultaneous release member.

In the present embodiment, the individual wall embedded locking member configured in the form of embedded on the wall corresponds to the rope (310). The simultaneous release member comprises a protrusion which is a release means of an individual wall-mounted locking member mounted on a rope extending above and below the building.

The rope is moved by the upper rotating member 210 and the lower rotating member 510 of the building, the lower rotating member is rotated at a predetermined angle by the drive means. The driving means is mounted on the lower floor of the building is composed of a motor for driving the lower rotating member 510 at a predetermined angle and a reducer for reducing the rotational speed of the motor. In addition, a stop jaw 515 is formed on the outer circumferential surface of the lower rotating member so that the movement is limited by the stopper 550 formed at a position where the lower rotating member is rotated at a predetermined angle. In addition, the stopper and the stopping jaw face the stopper. A sensor 570 that detects hitting may be additionally installed to detect their movement.

5 is a cross-sectional view illustrating a connection state of the fire door of FIG. 4.

In the present embodiment, the individual fire door locking member 60 is composed of a hook 610 which is mounted to penetrate the fire door 83, and the front end thereof is configured in the shape of a bent ring 613;

The individual wall-locking locking member corresponds to a rope 310 extending above and below the building. In the present embodiment, a box-shaped case 93 is mounted on the wall surface 85 positioned on the fire door 83 to form a hollow part.

The simultaneous release member is to use a rope 310, the rope 310 is connected to the upper rotary member 210 mounted on the uppermost layer and the lower rotary member 510 mounted on the lowermost floor is embedded in the wall surface 85 Will be. The rope 310 is preferably passed through the tube 91 embedded in the wall (85).

And the projection 40 is fixed to the rope 310 located in the case 93. The protrusion 40 may not pass through the tube 91, and may move up and down a predetermined distance in the case 93 by the rotation of the lower rotating member 510.

The fire door 83 of each layer is to be equipped with an individual fire door locking member 60, the individual fire door locking member 60 is preferably mounted in a portion adjacent to the handle 615 of the fire door 83, When the 83 is completely open, the individual fire door locking member 60 is embedded in the wall 85 to be hooked to each other by the rope 310 and the ring 613 is partially exposed.

As shown in FIG. 5, the individual fire door locking member 60 in the present embodiment includes a locking hole 610 mounted to the fire door 83. One end of the locking hole 610 is bent in the shape of "". The hook 613 of the locking hole 610 is configured to be connected to the handle 615 that can be rotated by 90 ° by the user. And the latch 610 is fastened to the fire door 83 by a fixing nut 650, it is possible to rotate at a predetermined angle.

The operation of the present embodiment will be described below with reference to FIGS. 6 to 9.

In general, the fire door 83 installed on each floor is opened by the user, and the user rotates the catch 610 as shown in FIG. 6 so that the hook 613 is caught by the rope 310 embedded in the wall 85. The fire door 83 is kept open.

When a fire occurrence signal is received in such a state, the motor is operated and the rotation of the motor is decelerated by the reducer to rotate the lower rotating member 510. As shown in FIG. 4, the lower rotating member 510 may not be rotated by a stop angle 515 and the stopper 550 by a predetermined angle or more.

The rope 310 is moved by a predetermined distance by the lower rotating member 510 rotated as described above, and the protrusion 40 formed on the rope is moved by the rope 310 that is moved. The moving protrusion 40 pushes the hook 613 of the locking hole 610. The hook 610 is rotated while the hook 613 is pushed by the protrusion 40, and the hook 610 is released from the rope 310 by the rotating ring 613 to move freely. It becomes the state that I can. When the door is placed in a freely movable state as described above, the door is closed by the door closer mounted on the door.

In this way, when the latch 610 is installed on each floor can be moved freely, each fire door 83 is closed at the same time by the door closer 89 mounted on the fire door (83).

And the signal that is closed to the fire door by the sensor 570 can be transmitted to the central control system to confirm.

11-14 illustrate another embodiment of the present invention.

The individual fire door locking member has a ring 1210 formed on the fire door, and the individual wall recessed locking member is formed with a seating groove 1225 for seating the ring, and a hinge 1220 rotatable at an angle by a hinge and the binding hole. It is composed of a spring 1230 for imparting elasticity and the operation port 1240 for controlling the rotation of the binding port.

When the fire door is opened and in close contact with the wall, the ring 1210 configured in the fire door is locked to the seating groove of the individual wall-embedding locking member. Individual wall embedding locking members are constructed embedded in the wall.

One side of the operation port 1240 of the individual wall-integrated locking member is connected to each other so that the rope 310 is interlocked to operate.

12 and 13 to open the fire door by pushing the ring (1210) of the fire door into the individual wall-locking locking member, the ring enters the seating groove (1225) and by the force of the spring 1230 of the fastener Rotate to lock.

As shown in FIG. 14, when the rope 310 moves, the operating tool 1240 configured to operate in conjunction with the rope is rotated, and the coupling tool 1220 is rotated by the operating tool 1240. By rotating by the ring 1210 is released from the locked state. In other words, the fire door is closed.

15 to 19 illustrate another embodiment of the present invention.

15 is a configuration diagram of the present embodiment. The individual fire door locking member 1310 is attached to the fire door in the shape of the fastening groove 1311 is formed on both sides of the plate of a certain thickness, the rotating ring 1360 to rotate the individual fire door locking member by moving to the rope of the simultaneous release member. ) Is formed; The individual wall-locking member 1300 is rotatable at a predetermined angle by the hinge 1350 and consists of a pair of bending holes 1320 having one end bent, and the other end of the pair of bending holes is spring 1330. It is configured to be elastically supported by.

FIG.16 and FIG.17 is explanatory drawing explaining the situation at the time of opening a fire door.

When the individual fire door locking member 1310 is pushed to open the fire door, the individual fire door stiffening member is inserted into the inside of the individual wall embedded locking member that is embedded in the wall. At this time, the pair of bends 1320 is inserted into the bent groove 1311 is locked state.

When the rope 310 is moved as shown in Figure 18, the individual fire door locking member is rotated by 90 degrees by a rotating ring 1360 that is operated in conjunction with the rope. That is, when the fire door is to be closed, the rope is moved, and the rope is rotated by 90 ° by rotating the individual fire door locking member 1310, and the fire door is closed as the individual fire door locking members of the flat shape are naturally locked. (See FIG. 19)

20 to 27 are views for explaining a sequential closing unit of the present invention.

This is an explanatory view of a fire door interlocking sequence closing system of the present invention in which a pair of fire doors are closed in sequence to the fire door automatic closing device of the present invention. If a pair of fire doors are to be closed, the fire doors must be closed in order to be closed.

The fire door automatic closing system according to the present invention applied in this case will be described in detail with reference to FIGS. 20 to 27.

20 and 21 are explanatory views of a fire door interlocking sequence closing system sequentially closed with the first fire door automatic closing device and the second fire door automatic closing device. As shown, each door closer mounted to the first fire door 1501 and the second fire door 1502 provided as a pair is provided to face the first fire door automatic closing device and the second fire door automatic closing device, respectively. .

One end of the first operating shaft 131 of the first automatic door closing device and the second operating shaft 132 of the second automatic door closing device extends through the main body of the automatic closing device, respectively, and these are intermediate positions. Is connected to the sequential closing unit 1400.

Examples of the sequential closing unit in the present invention are the recessed type and the rotary type.

22 is an explanatory view of a recessed sequential closure unit of the present invention.

Recess type sequential closing unit and the case; A seating opening elastically supported by a spring in the case; A protrusion formed integrally with the seat and protruding out of the case; It is composed of an insertion hole formed in the case.

Of course, the sequential closing unit of the present invention may additionally include a sensor that can detect the movement of the second operating shaft.

The sequential closing unit of the embodiment is connected to the case 1400 and the protrusion 1410 protruding to the outside of the case and the seating opening 1430 and the seating hole to support the protrusion in the case and elastically supporting the seating hole. It is composed of a spring (1450) and the insertion hole. When the protrusion protruding out of the case is recessed by the roller formed at the end of the first operating shaft, an empty space is formed inside the case, and the empty space opens an insertion hole formed in a part of the case. The second operation shaft is inserted into the insertion hole, and the second fire door is closed because the second operation shaft is moved by the insertion hole.

That is, the automatic fire door closing device is operated by an external signal, and the first operation shaft 131 and the second operation shaft 132 are interlocked by the sequential closing unit of the present invention and are movable.

In more detail, if the first operating shaft does not recess the protrusion through the sequential closing unit, the second operating shaft 1420 may not be moved by the seating hole 1430 inside the case. However, when the first operating shaft 130 is moved by a predetermined distance, the first fire door 1501 is closed and at the same time, the protrusion 1410 is retracted into the case by the movement of the first operating shaft 130. The insertion hole is opened by the space secured by being retracted, and the second operation shaft 1420 is movable to the insertion hole so that the second fire door 1502 is also closed.

That is, the first fire door 1501 is first closed by an external signal, and then the second fire door 1502 is sequentially closed. At this time, by attaching a limit switch to the side of the case it is possible to detect whether the second fire door is closed to operate the limit switch 1460 with the second operation shaft is closed.

Fig. 23 shows an embodiment of a limit switch.

24 illustrates a rotational closing member as another sequential closing unit of the present invention. The rotary sequential closing unit includes a box shaped case; A rotary ball seated rotatably by a hinge inside the case; A coil spring for generating a rotational force in the rotational direction in the rotating sphere; The rotary ball is composed of a stop jaw to limit the rotation.

Of course, the rotary sequential closing unit of the present invention may additionally include a sensor capable of detecting the movement of the second working shaft.

As shown in the drawing, the rotary sequential closing unit has a box-shaped case formed at a position where an end of the first operating shaft 131 and an insertion hole into which an end of the second operating shaft 132 is inserted are opposed to each other. Is provided, the inside of the case is mounted to the rotary hole 1010 of the "L" shaped seated by the hinge 1050. In addition, the coil spring 1030 is seated on the hinge 1050 to generate rotational force in the rotational direction 1010. The rotating ball 1010 is rotated is limited to the rotation by the stop jaw 1020.

Operation by such a configuration will be described with reference to FIGS. 25 to 27. As the first fire door is closed, the first operating shaft 131 is moved, and the rotating tool 1010 is rotated by the moving first operating shaft 131, and the rotation of the rotating tool 1010 is performed. The second operation shaft 132 is naturally moved to the space secured by the second fire door is closed. The movement of the second operation shaft is detected by the sensor 1040.

When one first fire door is closed by the present invention, the operation bar interlocked with the door closer is rotated, and the pinion is also rotated by the operation bar being rotated. Therefore, the rack fastened to the pinion is moved, and the sequential closing unit is operated by the first operating shaft by the moved rack.

When the second operation shaft mounted on the second fire door is moved by the operation of the sequential closing unit, the rack and pinion interlocking with the door closer of the second fire door are freed, and the second fire door is freed by the free rack. It is closed by the door closer sequentially.

According to the configuration and operation of the present invention, it is possible to close the fire doors installed on each floor at the same time by using a single motor, it is possible to reduce the manufacturing cost by a simple configuration. And it is possible to check whether the fire door is closed by the sensor in the central control room, thereby increasing the merchandise.

What has been described above is only one embodiment for implementing a fire door closing system for simultaneously closing a plurality of fire doors according to the present invention, the present invention is not limited to the above-described embodiment, which is claimed in the following claims As will be apparent to those skilled in the art to which the present invention pertains without departing from the gist of the present invention to the extent that various changes can be made therein.

Claims (17)

In the fire door simultaneous closing system which closes the fire door of the building which consists of several floors simultaneously, An individual fire door locking member having a fire door simultaneous closing system configured in each fire door; An individual wall embedded locking member configured to be embedded in the wall surface corresponding to the individual fire door locking member; A simultaneous releasing member for releasing a plurality of individual fire door locking members simultaneously from a plurality of said individual wall embedding locking members while moving a certain range up and down in a straight line over the upper and lower portions of the building; And a closing means for driving the simultaneous release member. The method of claim 1, wherein the simultaneous release member is composed of a rope over the top and bottom of the building, the rope includes a release means for the individual wall-mounted locking member, the rope is a rotating member on the top and bottom of the building Is moved by, the rotating member is a fire door door closing system, characterized in that rotated by a predetermined angle by a drive means. 3. The fire door closing system according to claim 2, wherein the release means of the individual wall locking lock member is formed of a protrusion. The method of claim 1, The individual fire door locking member is composed of a locking hole which is mounted to penetrate the fire door, and its front end is formed of a bent ring shape; Fire barrier door closure system, characterized in that the individual wall-locking member is a rope over the top and bottom of the building. The method of claim 1, The individual fire door locking member is looped in the fire door; The individual wall-mounted locking member is formed with a seating groove for seating the ring, and the hinge is rotatable at a predetermined angle by a hinge, and a spring to give elasticity to the binder and an operating tool for controlling the rotation of the binder. Fire door simultaneous closure system. The method of claim 1, The individual fire door locking member is attached to the fire door in a shape in which fastening grooves are formed on both sides of a plate of a predetermined thickness, and a rotation ring is formed to rotate the fire door locking member by moving on the rope of the simultaneous release member; The individual wall-locking member is rotatable at a predetermined angle by a hinge, and is composed of a pair of bending spheres, one end of which is bent, and the other end of the pair of bending spheres is configured to be elastically supported by a spring. Fire door simultaneous closure system. According to claim 2, The drive means is mounted on the lower floor of the building and the lower rotating member for moving the simultaneous release member; and a motor for driving the lower rotating member at a predetermined angle; and a reducer for reducing the rotational speed of the motor; Fire door simultaneous closure system, characterized in that consisting of. According to claim 2, The driving means is mounted on the lower rotary member driven by the motor and the outer jaw mounted on the outer circumferential surface of the lower rotary member and the position where the lower rotary member is rotated at an angle to face the stop jaw And a stopper and a sensor mounted near the stopper and configured to sense that the stop jaw encounters the stopper. In the fire door simultaneous closing system which closes the fire door of the building which consists of several floors simultaneously, An individual fire door locking member having a fire door simultaneous closing system configured in each fire door; An individual wall embedded locking member configured to be embedded in the wall surface corresponding to the individual fire door locking member; A simultaneous releasing member for releasing a plurality of individual fire door locking members simultaneously from a plurality of said individual wall embedding locking members while moving a certain range up and down in a straight line over the upper and lower portions of the building; Driving means for driving the simultaneous release member; An automatic closing device comprising an operation shaft on each fire door and a rack slidably mounted on an outer circumferential surface of the operation shaft, a pinion configured to interlock with the rack, and an operation unit including a pair of support walls;  Fire door simultaneous closure system characterized in that the configuration. The method of claim 9, wherein the operation unit A main body having a box shape; A pair of support walls formed with shaft grooves and spaced apart from each other by a predetermined distance within the body; An operating shaft seated in the shaft groove of the support wall and movable back and forth; A rack mounted to an outer surface of the working shaft and capable of sliding a predetermined distance on the working shaft; And a pinion connected to the rack and rotated by the movement of the rack. 11. The fire door closing system according to claim 10, wherein a part of the operating shaft further comprises sliding control means for controlling the slide length of the rack. 12. The sliding length of the rack according to claim 11, wherein the slide control means comprises a screw thread formed at a predetermined length on an outer surface of the working shaft and a nut fastened to the screw thread. Fire door simultaneous closing system, characterized in that for controlling. 10. The fire door according to claim 9, wherein the fire door comprises a first fire door and a second fire door, and the first fire door is provided with the first automatic closing device and the second fire door facing the second automatic closing device, respectively. 2 A sequential closing unit is provided between the automatic closing devices, and the sequential closing unit is connected to the first operating shaft of the first automatic closing device and the second operating shaft of the second automatic closing device, and the first and second Fire door simultaneous closure system, characterized in that the first and second fire doors are sequentially closed by the connection of the operating shaft. The method of claim 13, wherein the sequential closing unit and the case; A seating opening elastically supported by a spring in the case; A protrusion formed integrally with the seating hole and protruding out of the case to be in contact with the first operating shaft; Fire door closing system is characterized in that it comprises an insertion hole formed in the case and the second operating shaft is inserted. 15. The system of claim 14, wherein the sequential closing unit further includes a sensor capable of detecting movement of the second working shaft. 14. The apparatus of claim 13, wherein the sequential closing unit comprises: a box shaped case having an insertion hole into which the first and second working shafts are inserted separately; A rotary ball seated rotatably by a hinge inside the case; A coil spring for generating a rotational force in the rotational direction in the rotating sphere; Fire door simultaneous closure system, characterized in that consisting of a stop jaw for limiting the rotation of the rotary sphere. 17. The system of claim 16, wherein the sequential closing unit further includes a sensor capable of detecting movement of the second operating shaft.

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