KR102458610B1 - Horizontal fire shutter - Google Patents

Abstract

The present invention relates to a horizontal fireproof shutter, wherein a shutter box and a slat installed at the bottom surface of the upper side of a stair passage connecting the upper story to the lower story of a multi-layer building can horizontally block the stair passage, in order to increase the space utilization, and prevent the damage from spreading between stories in case of emergency such as fire. To this end, the horizontal fireproof shutter according to the present invention is provided at the bottom surface of the upper story of the stair passage of the multi-layer building, and comprises: a shutter box which is installed at one side of the stair passage and has a slat entrance unit formed at the lower portion of the front surface; a slat driving unit which is built in the shutter box; a slat which is horizontally moved in a back-and-forth direction by the slat driving unit to open and close the stair passage of the building; a slat guide unit which is formed in an inclined manner or in a curved line towards the front side at the lower portion of the rear side of the slat driving unit to change the moving direction of the slat; and a guide rail which is installed in parallel at the both sides of the front slat entrance portion of the shutter box, and the both sides of the stair passage to be connected to the slat guide unit and to guide the horizontal movement of the slat. Moreover, the slat is slid along the slat guide unit while the moving direction thereof is changed by 90 degrees to be horizontally moved towards the slat entrance portion of the front surface of the shutter box. Furthermore, a slat bearing, which is attached at a predetermined interval in an advancement direction at the both side surfaces of the slat may be slid along the guiding groove formed to be extended in a longitudinal direction on the inner side surface of the guide rail, thereby horizontally blocking the stair passage.

Description

Horizontal fire shutter

The present invention relates to a horizontal fire shutter, and shutter boxes and slats installed on the upper floor surface of the stairway connecting the upper and lower floors of a multi-storey building can block the stairway horizontally, thereby increasing space utilization and emergencies such as fire. It relates to a horizontal fire shutter that can prevent the spread of damage between floors in case of a situation.

In general, fire shutters are installed in passages inside buildings, and in case of a fire, they block the entry of outsiders into a specific space and prevent the spread of flames, smoke, toxic gases, etc. That is, the conventional fire shutter is one of the fire-resistant structures installed so that the fire does not spread throughout the interior of the building in case of a fire. It is used as a means to prevent the spread from the ignition point by blocking harmful factors in advance. In addition, physical means and evacuation time are provided so that people in the fire space or fire space can be evacuated quickly and safely by the fire shutter.

In order to evaluate performance and safety, and to minimize human or material damage, such fire shutters must satisfy various requirements such as fire resistance, impact resistance, and fire resistance through fire resistance tests and flame resistance tests assuming a fire situation, especially in department stores. However, in shopping malls and convention halls, the installation is compulsory according to the Fire Act. Moreover, in recent years, there is a trend to adopt and use safety reinforcement devices to prevent safety accidents caused by fires and power outages, or to promote or plan reinforcement measures accordingly.

Here, looking at the prior art (patent document) related to the fire shutter, the Korean Patent Publication No. 10-2085438, which was previously proposed by the applicant (inventor) of the present invention (Patent Document 0001), the title of the invention 'Fire shutter with lower roller' is known. This is, as shown in (a), (b) of Figure 1, a shutter box in which the driving device is built-in; a slat part which can be opened and closed while moving up and down by the driving device and is divided into a first slat part and a second slat part in two rows before and after binding a plurality of plate-shaped panels up and down; a pair of guide rails for guiding both edges of the slat part when the slat part moves up and down; and a lower load bar mounted on the lower portion of the slat unit and moving up and down according to the elevation of the slat unit, wherein the lower load bar includes a rotating member having a plurality of rollers in a line at a predetermined interval on a rotating shaft. It is located at the boundary crossing the first slat part or the second slat part and rotates according to the elevation of the slat part, and includes a support plate for holding both sides of the rotation member, and a bottom plate for connecting the lower part of the support plate, , When one side of the first slat part is fixed in the shutter box and one side of the second slat part is moved up and down, the lower load bar at the boundary between the first slat part and the second slat part serves as a pulley and the slat part is raised and lowered (昇降). ) and pull the slat part taut downward by the load of the lower load bar, and the gap between the first and second slat parts is maintained at least larger than the diameter of the roller to suppress the spread of flame in case of fire. configuration to secure.

Accordingly, the above (Patent Document 0001) has a slat portion (first and second slat portions) and a lower rod in a state of being wound in a 'U' shape on a rotating shaft and a plurality of rollers provided up and down in the upper driving device and the rotating member. It moves up and down while interlocking with the rotational driving force of the driving device. When the lower load bar is raised and lowered, the slat part is wound in a 'U' shape on the upper and lower rotating shafts and a plurality of rollers, and the first slat part and the second slat part Since the lower load bar at the boundary acts as a pulley and the slat part is lifted and wound or unwound, the rotational friction (resistance) force increases, so there is a problem that the risk of overload is high and the risk of malfunction is high. In addition, since the lower bar is deflected in a 'U' shape, the slat part is rolled up or unrolled in one direction by the upper drive device. cause In addition, the composition of the components such as the lower load bar, the rotating shaft and the rollers is complex, and the weight of the device is increased, the volume is enlarged, the installation area is relatively enlarged, the space efficiency is lowered, and the energy consumption of the driving device is increased. There were inefficient and inefficient problems such as poor efficiency and increased production and installation costs as well as production costs.

Korean Patent Publication No. 10-2085438, title of invention 'Fire shutter with lower roller' (Registration date February 28, 2020)

An object of the present invention is to install a shutter box on the upper floor surface of a stairway in a multi-storey building, and the slats inside the shutter box advance to the front slat entrance and exit according to the guidance of the slat guide in the horizontal direction along the guide rails on both sides of the front stairway. An object of the present invention is to provide a horizontal fire shutter capable of blocking or reversely opening a stairway while operating smoothly.

Another object of the present invention is to prevent a fall accident by installing a safety fence having a fireproof member (fireproof glass) on the upper floor of the stairway edge and to block or open the stairway by a slat. is to provide Meanwhile, even when the stairway is blocked with a slat, the safety fence between the fire shutter and the floor and the fireproof glass allow you to understand the situation of the stairway and the upper and lower floors and respond quickly.

The horizontal fire shutter of the present invention to achieve the above object is provided on the upper floor of the stairway of a multi-story building, the shutter box is installed on one side of the stairway and the slat entrance is formed in the lower front part; a slat driving unit built into the shutter box; a slat that opens and closes the stairway of a building while moving horizontally forward and backward by the slat driving unit; a slat guide part formed in a slanted or curved forward direction at the lower rear side of the slat driving part to change the moving direction of the slat; and a guide rail installed side by side on both sides of the front slat entrance and exit of the shutter box and connected to the slat guide part to guide the horizontal movement of the slat, wherein the slat moves while sliding along the slat guide part. The direction is turned 90 degrees to move horizontally toward the slat entrance and exit on the front side of the shutter box, and slat bearings attached to both sides of the slat at regular intervals along the direction of travel are formed extending in the longitudinal direction on the inner surface of the guide rail. horizontally blocking the stairway while sliding along the groove; The slat guide part, while the slat bearings on both sides of the slat slide along a curved curve that is curved toward the front from both sides of the rear side of the slat driving part, turns the direction of movement of the slat by 90 degrees to move horizontally toward the front slat inlet and out. guiding rail guides; a shutter guide for preventing the slat from sagging while sliding along an inclined surface or a gentle curved surface that is oblique toward the front toward the middle of the rear middle part of the slat driving part; Including; a tension roller installed horizontally parallel to the front of the shutter guide and the lower part of the slat shaft and rotatably supported by elastic support parts coupled to both ends so that the bottom surface of the slat slides; As the slat slides along the linear bush exposed to the contact surface with the slat, the movement resistance is reduced, and the tension roller elastically presses and closely adheres the slat to the rail guide by the springs of the elastic support units coupled to both sides, thereby increasing the tension of the slat. We would like to propose a horizontal fire shutter characterized in that it maintains the

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According to the present invention, the slat slides along a pair of bearing guide bars in which both slat bearings are vertically spaced apart from each other at regular intervals inside the guide groove of the guide rail and extend vertically and symmetrically side by side in the longitudinal direction to reduce movement resistance. characterized in that

In addition, the present invention, the upper floor of the multi-story building, a safety fence installed vertically at a certain height at the edge of the stairway except for the upper part of the front stairway to prevent a fall; Further comprising; a fire resistant member coupled to the inner empty space of the safety fence to block it; the shutter box is mounted on the rear upper end of the safety fence and the guide rail corresponds to the upper horizontal portion and the front vertical portion of the safety fence It is characterized in that it is coupled to one side of the safety fence by extending it in a 'L' shape, and the slat is configured to be able to block the stairway in a 'L' shape along the guide groove of the guide rail.

In addition, according to the present invention, the guide rail is characterized in that the movement resistance of the slat bearing is reduced through the curved portion of the front edge formed between the upper horizontal portion and the front vertical portion of the safety fence.

The present invention blocks the stairway with a horizontal fire shutter in which a shutter box is installed on the upper floor of the stairway connecting the upper and lower floors of a multi-storey building, so when an emergency such as a fire occurs, the lower and upper floors It has the effect of minimizing damage between layers. In addition, compared to the existing vertical fire shutter in which the shutter box and guide rail are installed on the ceiling and wall, it is easier to manufacture and install, so productivity is improved, there is no risk of failure, operation and maintenance are simple, and it is not used. It is very practical because it can increase the space utilization of the free space around the stairs, and it provides very economical effects such as low manufacturing and installation costs and low driving energy (driving force) consumption.

The present invention provides safety to prevent a fall accident by installing a safety fence having a fireproof member (fireproof glass) on the edge of the upper floor of the stairway, and through the fireproof glass between the fire shutter and the floor when the stairway is blocked by a slat It is possible to accurately grasp the situation of the upper and lower floors and the stairway, respond quickly and evacuate, thereby preventing valuable human damage due to fire (smoke), etc.

1 (a), (b) is a front view and a side view showing a known fire shutter according to the prior art.
2 is a perspective view showing the horizontal fire shutter 100 according to the first embodiment of the present invention.
3 is a side view showing the horizontal fire shutter 100 in cross section according to the first embodiment of the present invention.
4 is a plan view showing a state in which the stairway S is blocked by the slat 130 of the horizontal fire shutter 100 according to the first embodiment of the present invention.
FIG. 5 is an internal cross-sectional view of the guide rail 150 taken along the line "A" - "A" of FIG. 3 .
6 is a perspective view showing a horizontal fire shutter 100a according to a second embodiment of the present invention.
7 is a side view of the horizontal fire shutter 100a according to the second embodiment of the present invention.
8 is a state diagram of a state in which the stairway S is blocked by the horizontal fire shutter 100a according to the second embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those of ordinary skill in the art to which the present invention pertains can easily implement them. When it is determined that a detailed description of a known function or configuration related thereto may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted.

The terminology used herein is for the purpose of referring to specific embodiments only, and is not intended to limit the present invention. As used herein, the singular forms also include the plural forms unless the phrases clearly indicate the opposite. The meaning of "comprising," as used herein, specifies a particular characteristic, region, integer, step, operation, element and/or component, and other specific characteristic, region, integer, step, operation, element, component, and/or group. It does not exclude the existence or addition of

The embodiments of the present invention described with reference to the drawings specifically represent ideal embodiments of the present invention. As a result, various modifications of the diagram are expected. Therefore, the embodiment is not limited to a specific shape of the illustrated area.

It is noted that the drawings are schematic and not drawn to scale. Relative dimensions and proportions of parts in the drawings are shown exaggerated or reduced in size for clarity and convenience in the drawings, and any dimensions are illustrative only and not limiting. And the same reference numerals are used to indicate corresponding or similar features in different embodiments to the same structures, elements, or parts appearing in two or more drawings.

The horizontal fire shutter (100, 100a) according to the present invention is to be provided on the upper floor (F) of the stairway (S) of a multi-story building, is installed on one side of the stairway (S), and is a slat entrance ( 112) is formed shutter box 110; a slat driving unit 120 built in the shutter box 110; The slat 130 for opening and closing the stairway (S) of the building while moving horizontally back and forth by the slat driving unit 120; a slat guide portion 140 formed in a slanted inclination or curved toward the front in a lower rear portion of the slat driving portion 120 to direct the movement direction of the slat 130; A guide rail ( 150); and the slat 130 slides along the slat guide part 140 and the movement direction is turned 90 degrees to horizontally move toward the slat inlet 112 of the front of the shutter box 110. The slat bearings 132 attached to both sides of the slat 130 at regular intervals along the traveling direction slide along the guide grooves 151 extending in the longitudinal direction on the inner surface of the guide rail 150. It is characterized in that it is configured to horizontally block the stairway (S).

In addition, according to the present invention, in the slat guide part 140 , the slat bearing 132 on both sides of the slat 130 slides along a curved curve toward the front as it goes down from the rear both sides of the slat driving part 120 . a rail guide 141 for guiding the horizontal movement toward the front slat entrance 112 by turning the moving direction of the slat 130 by 90 degrees; A shutter guide 142 for preventing sagging while sliding the slat 130 along an inclined surface or a gentle curved surface that is oblique toward the front toward the middle of the rear middle portion of the slat driving unit 120; A tension roller ( 145); as the shutter guide 142 slides along the linear bush 143 exposed on the upper surface and the contact surface with the slat 130, the movement resistance is reduced, and the tension The roller 145 elastically presses and closely adheres the slat 130 to the rail guide 141 by the springs 148 of the elastic support parts 146 coupled to both sides to maintain the tension of the slat 130 . do it with

In addition, according to the present invention, the slat 130 has both sides of the slat bearing 132 vertically spaced apart from each other by a predetermined interval inside the guide groove 151 of the guide rail 150 and extended vertically symmetrically along the longitudinal direction. It is characterized in that the movement resistance is reduced by sliding along the pair of bearing guide bars 152 .

With reference to the accompanying drawings, the horizontal fire shutters 100 and 100a of the present invention having the above characteristics will be described in detail with reference to the following embodiments.

[First embodiment]

2 is a perspective view illustrating a horizontal fire protection shutter 100 according to a first embodiment of the present invention, and FIG. 3 is a cross-sectional view of the horizontal fire protection shutter 100 according to the first embodiment of the present invention. It is a side view shown. And FIG. 4 is a plan view showing a state in which the stairway S is blocked by the slat 130 of the horizontal fire shutter 100 according to the first embodiment of the present invention, and FIG. 5 is the above-mentioned FIG. 3 It is an internal cross-sectional view of the guide rail 150 shown in the "A"-"A" line cross-section.

First, with reference to the above drawings, the horizontal fire shutter 100 according to the first embodiment of the present invention is to prevent the spread of flame or smoke due to a fire, and as shown in FIGS. 2 to 5, stairs The shutter box 110 installed on one side of the passage S, the slat driving unit 120 for operating the slat 130, the slat 130 for opening and closing the stairway S, and the slat 130 to guide the horizontal movement It is configured to include a slat guide unit 140 and a guide rail 150 , and the slat 130 is horizontally deployed in front of the shutter box 110 to block the stairway (S).

The shutter box 110 has a rectangular box shape with an empty interior having a predetermined length and a predetermined width on one side, a slat 130 and a slat driving unit 120 are built-in, and a slot type in the front lower portion. The open slat inlet 112 toward the is formed.

The shutter box 110 is installed on the upper floor (F) of the stairway (S) of a multi-storey building consisting of one or more floors, that is, the upper (2nd) floor (F) above the lower (1st) floor, more specifically By installing it on the back side of the stairway (S), it is possible to increase the space utilization without interfering with the passage. And when an emergency such as a fire occurs, the slats 130 are horizontally deployed forward to block the stairway (S), thereby preventing damage and spread between floors due to fire.

And the shutter box 110 is provided with a foreign material blocking member 156 such as a fireproof and flame-retardant gasket or a brush (brush) in the slat entrance 112 and the guide groove 151, and the foreign material blocking member 156 is the slat (130) It is possible to move naturally while gently touching the surface, as well as blocking the inflow of dust or foreign substances from the outside by blocking the slat entrance 112 and the guide groove 151.

The slat driving unit 120 is a device that provides rotational power like the electric motor 122 , and may be supplied with power from the outside to rotate the slats 130 , which will be described later, to unwind or wind them. The electric motor 122 generates rotational power by electric energy, and may rotationally drive the slat shaft 124 through the power transmission unit 126 . The slat shaft 124 is rotatably installed by coupling the first rotation support parts 125 coupled to both ends to both sides of the inner surface of the shutter box 110 .

On the other hand, the first rotation support 125 includes a retainer (Retainer) and a bearing (Bearing) to reduce the rotational friction force. The power transmission unit 126 transmits the rotational power of the electric motor 122 to the slat shaft 124 , and includes a chain and a sprocket, a belt and a pulley, a gear box, and the like. And the gearbox includes a transmission capable of varying the rotational speed and driving force of the slat shaft 124 . Meanwhile, the slat driving unit 120 may include an electric motor 122 and a power transmission unit 126 on one or both sides of the slat shaft 124 , respectively.

The slat 130 is a means for substantially opening and closing the stairway S of the building structure, and is usually moved into the shutter box 110 by the slat driving unit 120 to form a roll on the slat shaft 124. It is stored in the shutter box 110 in a rolled up state while being rolled round. In an emergency such as a fire or when necessary, the stairway S may be blocked or opened in reverse while moving horizontally in the front of the shutter box 110 by the slat driving unit 120 .

The slat 130 is coupled to both sides of the slat bar 131 at regular intervals along the traveling direction, and the slat bearing 132 of the bearing shaft 133 coupled to the outside of the slat bar 131 is the slat guide part 140 . It is possible to move smoothly while sliding along and minimize the movement resistance (friction force).

On the other hand, the slat 130 is configured to include a conventional iron shutter or a conventional screen shutter that can be unfolded by pulling or releasing the slat 130 horizontally (rear) by connecting a narrow iron plate in the width direction. The screen shutter is made of fire-resistant silica screen, so it is easy to handle and operate, and has extremely low thermal conductivity, so there is no risk of burns in areas other than the heat-applied area, so it is very safe.

As the slat bearing 132 on both sides slides along the slat guide part 140, the moving direction of the slat 130 is turned 90 degrees, so that the slat inlet 112 of the front of the shutter box 110 is can move horizontally toward And the lower bar 134 mounted on the end of the slat 130 may be seated on the upper floor surface F of the stairway while moving horizontally.

To this end, the slat guide part 140 guides the movement of the slat 130 , and as shown in FIGS. 2 to 4 , the slat 130 of the upper slat guide part 140 moves in a descending direction. By turning it horizontally by 90 degrees, the slat 130 may advance horizontally through the front slat entrance 112 . To this end, the slat guide unit 140 is formed in a downwardly inclined or curved shape obliquely downward from both sides of the rear lower portion of the slat driving unit 120 toward the front to guide the movement direction of the slat 130 horizontally. Alternatively, when the slat 130 is wound by the slat driving unit 120 , it is turned in a vertical direction in a horizontal (horizontal) direction to guide it back to the slat driving unit 120 .

Next, the guide rail 150 is formed to extend forward from both sides of the front slat entrance 112 of the shutter box 110 and installed side by side to face both sides of the stairway S, and the slat guide part 140 at the rear end. can be connected to guide the horizontal movement of the slat 130 without interruption. Accordingly, the guide rail 150 is a slat bearing by inserting both ends of the slat 130 into the guide groove 151 and extending the guide groove 151 along the longitudinal direction on the inner surface as shown in FIG. 5 . 132 may smoothly slide along the bearing guide bar 152 . The slat bearing 132 is formed in the form of a long sphere with a narrow groove formed in the middle of the circumferential surface, and the bearing guide bar 152 is vertically symmetrically arranged with an 'L'-shaped angle in the inner space of the guide groove 151 . And since the groove portion of the slat bearing 132 is fitted between the bearing guide bars 152 and slides in an engaged state, the slat 130 is not easily separated from the guide rail 150 as well as the sagging of the slat 103 is reduced. In case of fire, it is possible to prevent escape by flame (heat).

Next, the slat guide unit 140 includes a rail guide 141 forwarding the moving direction of the slat 130 , a shutter guide 142 that maintains the tension of the slat 130 , and a tension roller 145 . do.

The rail guide 141 is formed in a curved direction toward the front from the lower rear side of the slat driving unit 120 downwards, and the slat bearing 132 slides along the upper surface curve while turning the moving direction of the slat 130 by 90 degrees. have. That is, when the roller shaft 124 rotates forward (clockwise rotation) and the slat 130 descends, it is rotated 90 degrees forward according to the guide of the rail guide 141, and through the front slat entrance 112, the shutter box ( 110) and can move horizontally along the guide rail 150 continuously.

The shutter guide 142 may form a slanted inclined surface or a gentle curved surface toward the front as it goes down from the rear middle part of the slat driving unit 120 to prevent sagging while sliding the bottom surface of the slat 130 .

The shutter guide 142 may slide on the bottom surface of the slat 130 by partially exposing the plurality of linear bushes 143 coupled to the upper surface, the contact surface and both sides of the slat 130 at regular intervals upward. The linear bush (143, Linear bush) is a kind of friction force reducing means for reducing and minimizing the movement resistance (friction force) of the slat 130, and includes a common bearing.

In addition, the tension roller 145 may maintain tension by elastically pressing and closely adhering the slat 130 to the rail guide 141 by the elastic restoring force of the elastic support parts 146 on both sides. The tension roller 145 is installed horizontally in parallel with the slat shaft 124 in the lower part of the slat driving unit 120 and in front of the rail guide 141 so that the upper surface of the slat is in sliding contact with the elastic support part 146 coupled to both ends. The tension roller 145 may be rotatably supported while being fixed to the inner surface of the shutter box 110 .

The elastic support 146 may be composed of a second rotation support 147 coupled to both ends of the slat shaft 124 to rotatably support, and a spring 148 in which an elastic restoring force acts on the second rotation support 147. have. That is, the second rotation support parts 147 at both ends of the slat shaft 124 are slatted toward the rear shutter guide 142 along the oval guide groove of the support frame fixed to the shutter box 110 by the elastic restoring force of the spring 148 . By pressing the shaft 124 in close contact, it is possible to maintain the tension of the slat 130 and prevent sagging. The second rotation support 147 includes a retainer and a bearing for reducing rotational friction.

On the other hand, the shutter box 110 and the guide rail 150 are firmly fixed to the floor surface (F) of the building with an anchor bolt, and a non-combustible flame-retardant gasket (not shown) is inserted between the contact surface and the finished surface of the building to cause a fire in the building. In the event of a fire, it is possible to prevent the spread of damage by effectively blocking and shielding flames, smoke, high heat, wind heat, and toxic gases caused by fire. The gasket is a material that can withstand a flame or high temperature (heat) well, and may be made of glass fiber or a flame retardant material such as glass fiber or graphite having excellent non-combustibility (fire resistance) and airtightness.

As such, in the horizontal fire shutter 100 according to the first embodiment of the present invention, the slat 130 of the slat driving unit 120 moves downward in a state in which the shutter box 110 is installed on the rear side of the stairway S. It is turned 90 degrees forward according to the guidance of the slat guide unit 140 and advances to the front slat entrance 112 and horizontally moves along the guide rails 150 on both sides to block the stairway (S). At this time, the slat 130 slides in tension without sagging or sagging by the rail guide 141 and the shutter guide 142 and the tension roller 145 of the slat guide part 140, so that the operation is smooth and malfunction can be prevented. have. Or conversely, when the slat driving unit 120 pulls the slat 130 to open the stairway S, the tension of the slat 130 may be maintained by the slat guide unit 140 to smoothly open it.

In addition, a handrail or a safety handrail (H) is installed on the edge of the upper floor surface (F) of the stairway (S) of a multi-story building to prevent a fall accident and unnecessary contact with the horizontal fire shutter 100 according to the present invention to prevent damage or breakage.

[Second embodiment]

6 is a perspective view illustrating a horizontal fire protection shutter 100a according to another embodiment of the present invention, and FIG. 7 is a side view of the horizontal fire protection shutter 100a according to another embodiment of the present invention. And Figure 8 is a use state diagram of a state in which the stairway (S) is blocked by the horizontal fire shutter 100a according to another embodiment of the present invention.

With reference to the above drawings, the horizontal fire shutter 100a according to the second embodiment of the present invention is the edge of the stairway S except for the upper floor F of the multi-storey building and the upper end of the front stairway SU. Safety fence 200 to prevent a fall by installing it vertically at a certain height; Further comprising; a fire resistant member 210 for blocking by coupling to the inner empty space of the safety fence 200, the shutter box 110 is mounted on the rear upper end portion 200a of the safety fence 200 and the guide The rail 150 is extended in a 'L' shape corresponding to the upper horizontal portion 153 and the front vertical portion 155 of the safety fence 200, and is coupled to one side of the safety fence 200, and the It is characterized in that the slat 130 is configured to be able to block the stair passage S along the guide groove 151 of the guide rail 150 in a 'L' shape.

That is, the horizontal fire shutter 100a according to the second embodiment of the present invention installs a safety fence 200 having a fire resistant member 210 on the upper floor surface (F) of the edge of the stairway (S) of a multi-story building. The characteristic components of the first embodiment (shutter box 110, slat drive unit 120, slat 130 ), including all of the slat guide unit 140 and the guide rail 150, etc., it is possible to block or open the stairway (S) with the slats 130 according to emergency situations such as fire or as needed.

As shown in FIGS. 6 to 8, the safety fence 200 is vertically installed at a certain height on the edge of the stairway (S) of the upper floor (F) of a multi-storey building to prevent a fall, SU) should not interfere with the normal passage of stairs. The safety fence 200 is woven with a horizontal frame 201 and a vertical frame 203 on the outside of a metal material having sufficient strength and fire resistance, and the fire resistant member 210 is coupled to the empty space inside the frame to block it. The fire resistant member 210 may include a transparent or translucent fire protection glass having a thickness of 8t or more, or a fire resistant panel member strong against a flame (heat) to block flame (heat) or smoke caused by a fire.

As such, in the horizontal fire shutter 100a according to the second embodiment of the present invention, even in a state in which the stairway is horizontally blocked by the slat 130, the safety fence ( 200) and the fireproof member 210 (fireproof glass), it is possible to accurately grasp the situation of the stairway and the upper and lower floors and respond quickly.

The shutter box 110 is configured including all the components of the first embodiment described above, and is mounted on the rear upper end 200a of the safety fence 200 so that the slat 130 is deployed forward to open the stairway (S). can be blocked

Here, the guide rail 150 includes a horizontal portion 153 formed in a horizontal direction along the upper horizontal frame 201 of the safety fence 200 and a vertical portion 155 formed in a vertical direction along the front vertical frame 203 . ) can be extended to form a 'L' shape to be coupled to one side of the safety fence 200 . Accordingly, in the slat 130, the slat bearings 132 on both sides slide along the guide groove 151 of the 'L'-shaped guide rail 150, and unfold forward of the shutter box 110 to form the stairway (S). It can be blocked in the shape of an 'L'.

In addition, according to the present invention, the guide rail 150 is the slat bearing ( 132) is characterized in that the movement resistance is reduced.

In other words, the safety fence 200 may form a round 202 in the form of a curved edge portion between the horizontal frame 201 and the vertical frame 203 . In addition, the guide rail 150 also forms a curved part 154 corresponding to the round 203 to reduce and minimize the sliding resistance of the slat bearing 132 as well as the slat 130 is a guide rail in the shape of an 'L'. While moving smoothly along 150, it is possible to block or open the stairway (S).

The above description is merely illustrative of the technical idea of the present invention, and those of ordinary skill in the art to which the present invention pertains may make various modifications, changes, and substitutions within the scope without departing from the essential characteristics of the present invention. will be. Accordingly, the embodiments disclosed in the present invention and the accompanying drawings are intended to explain rather than limit the technical spirit of the present invention, and the scope of the technical spirit of the present invention is not limited by these embodiments and the accompanying drawings. The protection scope of the present invention should be construed by the following claims, and all technical ideas within the equivalent range should be construed as being included in the scope of the present invention.

100: fire shutter, 110: shutter box, 120: slat driving unit, 124: slat shaft, 130: slat, 140: slat guide, 141: rail guide, 142: shutter guide, 145: tension roller, 150: guide rail, 200: safety fence, 210: fireproof member, F: upper floor, S: stairway

Claims (5)

In the horizontal fire shutters (100, 100a) provided on the upper floor (F) of the stairway (S) of a multi-story building,
The shutter box 110 is installed on one side of the stairway (S) and has a slat entrance 112 in the lower front portion;
a slat driving unit 120 built in the shutter box 110;
The slat 130 for opening and closing the stairway (S) of the building while moving horizontally back and forth by the slat driving unit 120;
a slat guide portion 140 formed in a slanted inclination or curved toward the front in a lower rear portion of the slat driving portion 120 to direct the movement direction of the slat 130;
A guide rail ( 150); including;
The slat 130 slides along the slat guide part 140 and the movement direction is turned 90 degrees to horizontally move toward the slat entrance 112 on the front of the shutter box 110, and the slat 130 Slat bearings 132 attached at regular intervals along the traveling direction on both sides of the guide rail 150 slide along the guide grooves 151 extending in the longitudinal direction on the inner surface of the guide rail 150 to level the stairway (S). to block;
The slat guide unit 140,
As the slat bearing 132 on both sides of the slat 130 slides along a curved curve that is curved toward the front from both rear sides of the slat driving unit 120 downward, the movement direction of the slat 130 is turned by 90 degrees to the front Rail guide 141 for guiding to move horizontally toward the slat entrance (112);
A shutter guide 142 for preventing sagging while sliding the slat 130 along an inclined surface or a gentle curved surface that is oblique toward the front toward the middle of the rear middle portion of the slat driving unit 120;
A tension roller ( 145); including;
As the shutter guide 142 slides along the linear bush 143 exposed on the upper surface and the contact surface with the slat 130, the movement resistance is reduced, and the tension roller 145 is on both sides. A horizontal fire shutter, characterized in that the slat 130 is elastically pressed against the rail guide 141 by the spring 148 of the coupled elastic support 146 to maintain the tension of the slat 130. delete The method of claim 1,
The slat 130 is a pair of bearing guide bars in which both slat bearings 132 are vertically spaced apart from each other by a predetermined interval inside the guide groove 151 of the guide rail 150 and extend vertically symmetrically side by side in the longitudinal direction ( 152) by sliding along the horizontal fire shutter, characterized in that the movement resistance is reduced. The method of claim 1,
Safety fence 200 for preventing a fall by vertically installing at a certain height on the edge of the stairway (S) except for the upper floor surface (F) of the multi-story building and the upper part of the front stairway (SU);
It further comprises;
The shutter box 110 is mounted on the rear upper end portion 200a of the safety fence 200, and the guide rail 150 is located on the upper surface horizontal portion 153 and the front vertical portion 155 of the safety fence 200. The stairway passage (S) along the guide groove (151) of the guide rail (150) is coupled to one side of the safety fence (200) by extending and forming a corresponding 'L' shape. A horizontal fire shutter, characterized in that it is configured to be blocked in the shape of an 'L'. 5. The method of claim 4,
The guide rail 150 has a movement resistance of the slat bearing 132 through the curved portion 154 of the front edge formed between the upper horizontal portion 153 and the front vertical portion 155 of the safety fence 200 . Horizontal fire shutter, characterized in that it decreases.

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