KR100962490B1 - Fireproof screen shutter - Google Patents

Abstract

The present invention relates to a fire screen shutter, comprising: a main screen on which an emergency exit is formed; A main weight bar provided at a bottom of the main screen to maintain the horizontal level of the main screen; An emergency exit screen for opening and closing the emergency exit; And an emergency exit opening and closing portion provided at a lower end of the emergency exit screen to simultaneously open and close the left and right sides of the emergency exit screen, such that the left and right sides are simultaneously folded even if only one of the left and right sides of the emergency exit screen is moved. Provides a fire screen shutter to secure the.

Main screen, emergency exit screen, emergency exit opening, gasket

Description

Fire screen shutter {FIREPROOF SCREEN SHUTTER}

The present invention relates to a fireproof fireproof screen, and more particularly, to provide a fireproof screen shutter that allows a fire screen to be opened easily and quickly so that many people or objects that cannot be evacuated from a fire area can be moved or escaped more quickly. .

In general, the fire screen shutter inside the building is configured to close the fire site by automatically starting to prevent the spread of combustion and smoke in the building in the event of a fire.

As described above, people who could not evacuate while blocking the fire zone with a fire screen can escape by opening an emergency door installed in the center of the fire screen.

However, the conventional emergency door has a problem that many people do not quickly exit when escaping into the emergency door because the opening width of the upper side is opened in a narrow triangular shape by an inclined hinge installed at the lower end of the emergency door.

In addition, the elderly and children who are relatively weak due to the weight of the emergency door had a problem that it is difficult to open the emergency door.

In addition, since gaskets are formed integrally with the guide rails to block toxic gases introduced into the guide rails on which the left and right sides of the fire screen are mounted, the productivity of the guide rails is reduced. In other words, in order to assemble the guide rail divided into left and right sides, there is a hassle that the gaskets that block the smoke on both sides are assembled with bolts to the guide rails, and then combined with rivets at regular intervals at the overlapping portions of the guide rails on both sides.

The present invention has been made to solve the problems of the prior art as described above, the present invention is to provide a fire screen shutter that can quickly secure the escape path by folding the left and right sides at the same time even if only one of the left and right moving the emergency exit screen covering the emergency exit. to provide.

In addition, the present invention provides a fire screen shutter having an emergency exit opening and closing portion that can open the emergency exit even without applying a large force.

In addition, the present invention provides a fire screen shutter that can be provided with a gasket on the fire screen to increase the productivity of the guide rail.

The present invention, in order to achieve the above problems, the emergency exit is formed a main screen; A main weight bar provided at a bottom of the main screen to maintain the horizontal level of the main screen; An emergency exit screen including a first screen covering the emergency exit on one surface of the main screen and a second screen covering the emergency exit on the other surface of the main screen, the emergency exit screen opening and closing the emergency exit; And an emergency exit opening / closing unit including a gear formed between the first plate and the first plate respectively provided on the lower left and right sides of either the first screen or the second screen to move the first plate at the same time; It includes, The emergency exit opening and closing part to provide a fire screen shutter for simultaneously opening and closing any one screen with the first plate of the first screen or the second screen by moving the first plate by the gear at the same time. do.

By the configuration as described above, not only the test regulation for the fire screen shutter can be satisfied, but also the evacuation passage can be easily made between the emergency exit and the emergency exit screen, so that rapid evacuation is possible. Further, even if only one side of the emergency exit screen is pulled out, the entire emergency exit screen can be easily opened.

In this case, the gear may include a first gear formed on any one of the first plate and a second gear formed on the other one of the first plate and engaged with the first gear. The gears engaged with each other can be opened and closed by simultaneously folding both lower ends of the emergency exit screen.

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On the other hand, the emergency exit opening and closing portion further comprises a second plate provided on the lower end of any one of the first screen or the second screen is not provided with the first plate and the base plate horizontally formed on the lower end of the second plate And, the base plate is characterized in that the gear pin for mounting the gear is formed. This is to open and close the first screen and the second screen of the emergency exit screen formed of at least two membranes at the same time.

The main weight bar may include a vertical plate formed in parallel with the second plate and a horizontal plate formed at a lower end of the vertical plate, wherein the vertical plate may include an emergency exit receiving unit and the base plate to which the emergency exit opening and closing part is mounted. It is preferable that a locking portion is formed to prevent the lifting. This prevents the bottom of the emergency exit screen from being lifted up even when the expansion force of the heat in the event of fire is applied to the emergency exit screen, thereby preventing the occurrence of a gap in the lower portion of the bottom of the emergency exit screen.

In addition, the first plate and the second plate may be connected to an elastic member for returning the first plate to the closed state. Therefore, to apply the external force to the first screen of the first screen or the second screen of the emergency exit screen is equipped with the first plate to open the emergency exit, simply remove the external force, the first screen and the second screen is in contact with the closed state You can return.

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Here, both ends of the main screen may be mounted to guide rails, and both ends of the main screen may have gaskets for blocking smoke or heat introduced through the guide rails. This can reduce the inconvenience of attaching the gasket to prevent the smoke or heat from entering the guide rail to the guide rail by post-working, it is possible to increase the productivity of the guide rail.

Meanwhile, an upper end of the main screen is provided with a shaft for winding the main screen, and the main screen has a horizontal holding pocket formed so as to be uniformly wound or leveled when the main screen is wound on the shaft, Preferably, the emergency exit screen has an emergency exit screen horizontally formed on the shaft so as to be uniformly wound or leveled when the emergency exit screen is wound. This allows the main screen or the emergency exit screen to be wound on the shaft, which evens out the overall thickness of the wound.

As described above, the present invention is provided with an emergency exit opening and closing portion that allows the left and right sides to be folded at the same time even if only one of the left and right sides of the emergency exit screen is moved, the evacuees can secure the escape route quickly.

In addition, since the present invention can secure an escape route by pulling either one of the left and right sides of the emergency exit screen and pushing the emergency exit screen, the elderly and children can easily open the emergency exit.

In addition, the present invention can quickly block the spread of smoke or heat outside the building because the emergency exit opening and closing part quickly returns to the closed state after the emergency exit is closed.

In addition, the present invention can eliminate the trouble of attaching the gasket to the guide rail by forming the gasket on the left and right ends of the main screen, and can improve the assemblability or productivity of the guide rail.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the configuration and operation according to an embodiment of the present invention. The following description is one of several aspects of the invention that can be claimed, and the following description forms part of the detailed description of the invention.

However, in describing the present invention, a detailed description of known functions or configurations will be omitted for clarity of the gist of the present invention.

1 is a perspective view showing an open state of the fire screen of the fire screen shutter according to the present invention, Figure 2 is a perspective view showing a shielded state of the fire screen of the fire screen shutter according to the present invention.

1 and 2, the fire screen shutter 100 according to an embodiment of the present invention is installed and fixed to the pillars 104,105, such as a building in which the fire screens (120,140) are installed, so that both ends of the fire screens (120, 140) Guide rail 110 for guiding the rising or falling, the lower support plate 106 to support the lower end of the guide rail 110 is installed on the floor of the building, the upper end of the guide rail 110 is installed on the fire screen (120, 140) It may include a winding shaft 102 and a motor 101 for rotating the shaft 102 in the forward and reverse directions. At this time, it is preferable that the fire protection screens 120 and 140 wound around the shaft 102 and the shaft accommodating case 103 for accommodating the shaft 102 are provided.

However, when there is sufficient space in the ceiling of the building, the motor 101 and the shaft 102 for winding the main screen 120 is not installed and the main screen 120 is not rolled up without being wound up. It is also possible to get off.

Fire screens 120 and 140 are made of a special material. For example, it may be a fireproof or non-combustible screen containing glass fiber woven fabric, silica cloth or carbon fiber and the like. The fire screens 120 and 140 block the fire area to prevent the spread of smoke and the like, and an emergency exit 121 which is an evacuation passage formed in the main screen 120 so that the rescuer can easily escape the fire area. It may include a covering emergency exit screen 140.

The emergency exit 121 is cut in a "c" shape from the bottom of the main screen 120. The size of the emergency exit 121 is preferably formed to a size that can satisfy the relevant regulations or test standards, such as fire or building law.

On the other hand, to prevent the spread of smoke through the emergency exit 121 in case of fire, the emergency exit 121 should be blocked, and when people evacuate, the emergency exit 121 may be opened. As such, the emergency exit screen 140 for opening and closing the emergency exit 121 may be connected to the main screen 120 to serve as a door covering the emergency exit 121.

Here, the emergency exit screen 140 is formed to be larger than the emergency exit 121 is preferably provided to overlap with a portion of the main screen 120. If the emergency exit screen 140 is formed with the same size as the emergency exit 121, smoke may penetrate through the gap between the emergency exit screen 140 and the emergency exit 121, and the main screen 120 and the emergency exit screen ( By partially overlapping 140, smoke may be prevented from infiltrating.

In addition, shielding the emergency exit 121 on both sides of the main screen 120 is more effective in preventing leakage of smoke or the like than shielding the emergency exit 121 on one surface of the main screen 120. In this case, the emergency exit screen 140 provided on both sides of the main screen 120 is larger than the emergency exit 121 so that the emergency exit screen 140 and the main screen 120 overlap the edge of the emergency exit 121. desirable. However, the emergency exit screen 140 does not necessarily have to overlap the main screen 120, and only one side of the main screen 120 through a design change such that the emergency exit screen 140 is sufficiently larger than the emergency exit 121. It is noted that it is also possible to arrange the emergency exit screen 140.

Meanwhile, when the main screen 120 and the emergency exit screen 140 overlap, the emergency exit screen 140 may include a first screen 141 and a main screen 120 covering the emergency exit 121 on one surface of the main screen 120. It may include a second screen 142 covering the emergency exit 121 on the other side of the. At this time, it is preferable that the first screen 141 faces the inside of the building and the second screen 142 faces the outside of the building.

The first screen 141 and the second screen 142 may have the same size and shape, but may have different sizes and shapes. That is, as shown in FIG. 2, the first screen 141 mainly facing the inside of the building has a trapezoidal shape having a lower width than the upper width, whereas the second screen 142 facing the outside of the building is rectangular. It may be in shape. That is, the upper end of the first screen 141 has the same length as the width of the emergency exit 121, but the lower end is formed longer than the width of the emergency exit 121. As such, the reason why the lower width is longer than the upper end of the first screen 141 is to allow the first screen 141 to be easily opened while overlapping the edges of the first screen 141 and the emergency exit 121.

Meanwhile, without connecting the upper end of the first screen 141 or the second screen 142 to the main screen 120, either the left or right side of the first screen 141 or the second screen 142 and the main screen. Connecting the 120 with a wire (not shown) may increase the opening degree of the emergency exit screen 140. Alternatively, a rod member (not shown) may be installed at an upper end of the emergency exit 121, and a plurality of connection members (not illustrated) may be formed at an upper end of the first screen 141 or the second screen 142. C) may be installed so that an upper end of the first screen 141 or the second screen 142 is opened and closed like a curtain.

As shown in FIG. 2, the main screen 120 may be provided with a horizontal holding pocket 122. The horizontal holding pocket 122 allows the main screen 120 and the emergency exit screen 140 to be uniformly wound or leveled when the main screen 120 and the emergency exit screen 140 are wound on the shaft 102. The emergency exit screen 140 is attached to the main screen 120 by a stitch, etc., when the main screen 120 and the emergency exit screen 140 are wound, a part where the stitched part is formed may be wound more bulge than other parts. If one part is wound more bulge than the other part, the fire protection screens 120 and 140 may not be accommodated in the shaft accommodating case 103 or any part of the shaft 102 may be damaged. In order to prevent such a phenomenon, by inserting the rim fireproof screen membrane in the horizontal holding pocket 122, the main screen 120 and the emergency exit screen 140 can be wound to a uniform thickness.

In addition, the emergency exit screen 140 may be provided with a horizontal holding part 145. In this case, the emergency exit screen horizontal maintenance unit 145 may not only uniformly wind the emergency exit screen 140, but also allow the opened emergency exit screen 140 to be quickly closed. That is, by inserting a spring steel (not shown) into the emergency exit screen horizontal holding portion 145, the emergency exit screen 140 can be quickly closed by the elastic force of the spring steel.

Meanwhile, left and right edges of the main screen 120 are provided with a gasket 125 and a guide bolt 127 mounted on the guide rail 110, which will be described later.

In order to block smoke or heat in case of fire, the main screen 120 and the emergency exit screen 140 should be lowered horizontally when descending to the floor of the building, and should be able to maintain contact with the floor of the building even after descending. To this end, it is preferable to add a member having a constant weight to the lower end of the main screen 120 and the emergency exit screen 140.

That is, as shown in Figure 2, the main weight bar 130 is installed on the lower end of the main screen 120 may maintain the horizontal level of the main screen 120. Both ends of the left and right sides of the main weight bar 130 may be caught by a wall of the building to prevent the main screen 120 from being injured.

On the other hand, the main weight bar 130 is preferably provided on the basis of the emergency exit 121, or to form a thinner than the main weight bar 130 located in the lower portion of the emergency exit 121.

A member formed separately from the main weight bar 130 is used for horizontal maintenance of the bottom of the emergency exit screen 140. For this purpose, the emergency exit opening and closing unit 150 may be installed at the bottom of the emergency exit screen 140.

The emergency exit opening and closing unit 150 may keep the emergency exit screen 140 horizontal due to its own weight, and enable the opening and closing of the emergency exit screen 140. For this purpose, the emergency exit opening and closing unit 150 preferably performs a relative movement with respect to the main weight bar 130.

The emergency exit opening and closing unit 150 may be provided at a lower end of the emergency exit screen 140 to simultaneously open and close both sides or left and right sides of the first screen 141 or the second screen 142. In this configuration, even if only one side of the emergency exit screen 140 is pulled, the entire emergency exit screen 140 can be easily opened. By such a configuration, not only the test regulation for the fire screen shutter can be satisfied, but also the evacuation passage between the emergency exit 121 and the emergency exit screen 140 can be easily made and can be evacuated quickly.

3A and 3B are perspective views illustrating a state where an emergency exit formed in the fire protection screen according to FIG. 2 is opened. That is, FIG. 3A is a perspective view showing the open state of the emergency exit screen 140 from the inside of the building, and FIG. 3B is a perspective view showing the open state of the emergency exit screen 140 from the outside of the building.

As shown in FIG. 3A, the emergency exit opening and closing unit 150 simultaneously opens the left and right sides of the first screen 141 located inside the building among the emergency exit screens 140 to display the emergency exit 121 and the emergency exit screen 140. An escape path (EP) may be provided in between.

The emergency exit screen 140 according to an embodiment of the present invention may not easily open the emergency exit 121, but may easily and quickly provide a minimal escape route through which a person can pass. That is, when a person grabs and pulls the left or right side of the first screen 141, the left side and the right side are folded in a substantially “V” or “U” shape at the same time, and in this state, the emergency exit screen 140 is moved forward. When pushed, an escape route EP may be created between the emergency exit screen 140 and the emergency exit 121.

As shown in FIG. 3B, the first screen 141 facing the inside of the building is opened while the left and the right sides are folded at the same time, but the second screen 142 facing the outside of the building may be opened and closed as it is unfolded. Here, the magnetic weight 137 having a magnetic force may be attached to the main weight bar 130 of the main screen 120 overlapping the lower end of the second screen 142. The magnetic body 137 may allow the second screen 142 and the main screen 120 to be in close contact with each other.

By the opening and closing principle of the emergency exit screen 140, the elderly and children can easily open the emergency exit screen 140.

Hereinafter, the main weight bar 130 and the emergency exit opening and closing unit 150 will be described in detail with reference to the drawings.

4 is a perspective view illustrating the emergency exit opening and closing part when the emergency exit screen of the fire screen shutter according to FIG. 2 is in a closed state, and FIG. 5 is an emergency exit opening and closing part of the emergency exit screen of the fire screen shutter according to FIG. 6 is a perspective view illustrating an emergency exit screen and an emergency exit opening and closing part according to FIG. 5.

As shown in Figure 4 and 5, the emergency exit opening and closing portion 150 according to an embodiment of the present invention is provided on the left and right bottom of either the first screen 141 or the second screen 142, respectively It may include a gear 155 formed between the first plate 151 and the first plate 151.

In this case, the gear 155 is formed on any one of the first gear 155a and the first plate 151 formed on any one of the first plate 151 and the second gear meshed with the first gear 155a. 155b. As described above, both sides of the emergency exit screen 140 may be simultaneously opened or closed by using gears 155a and 155b engaged with each other, or the lower ends of the emergency exit screen 140 may be folded at the same time.

Here, the first plate 151 of the emergency exit opening and closing unit 150 is preferably installed at the lower end of the first screen 141 located on the inner side of the building in the emergency exit screen 140. That is, people who want to avoid fire mainly try to escape from the inside of the building to the outside, so the first screen 141 is installed on the bottom of the first screen 141 on the inner side of the building to install the first screen 141. It is desirable to allow the left and right sides to be folded at the same time.

Meanwhile, the emergency exit opening / closing part 150 may include a second plate 152 and a second plate provided at a lower end of the first screen 141 or the second screen 142 which is not provided with the first plate 151. A base plate 153 horizontally formed at the bottom of the 152 is further included, and the base plate 153 may be formed with a gear pin 156 for mounting the gear 155. This is to allow the first or second screens 141 and 142 of the emergency exit screen formed of at least two membranes to be opened and closed at the same time.

Here, the first plate 151 and the gear 155 may be integrally formed, or both may be coupled by a post operation such as welding. Since the second plate 152 and the base plate 153 are integrally formed or coupled to each other by welding, the second plate 152 cannot be separated from the base plate 153. However, the first plate 151 may be separated from the base plate 153.

In addition, the main weight bar 130 includes a vertical plate 131 formed in parallel with the second plate 152 and a horizontal plate 132 formed at a lower end of the vertical plate 131, and the vertical plate 131 has an emergency exit. Preferably, the emergency exit receiving unit 135 and the base plate 153 on which the opening and closing unit 150 is mounted are formed to have a catching part 131a for preventing the lifting of the opening 150. Even when the expansion force of the heat in the event of fire is applied to the emergency exit screen 140 due to the catching portion 131a, it is possible to prevent the bottom of the emergency exit screen 140 from being lifted up, which causes the lower exit portion of the emergency exit screen 140 to be lowered. The gap can be prevented.

The vertical plate 131 is equipped with a lower end of the main screen 120, the vertical plate 131 is provided with a double and between the lower end of the main screen 120 is inserted between the coupling member such as a bolt or the like. Can be.

In addition, the base plate 153 of the emergency exit opening and closing part 150 is formed in the same length as the width of the emergency exit receiving portion 135 of the main weight bar 130 and is mounted to the emergency exit receiving portion 135, and the first and second One end of the plate (151, 152) is formed to a length that can overlap the vertical plate (131).

That is, as shown in Figure 4 is formed so that the end of the vertical plate 131 adjacent to the emergency exit receiving portion 135 is located between the first and second plates (151, 152). Since one end of the first and second plates 151 and 152 is caught by the vertical plate 131, when the emergency exit 121 is closed by the emergency exit screen 140, even if an external force is applied inside or outside the building, the emergency exit 121 ) Will not open.

In addition, the base plate 153 is positioned between the horizontal plate 132 of the main weight bar 130 and the locking portion 131a in the state where the emergency exit opening and closing unit 150 is closed. In this way, the floating portion of the base plate 153 may be prevented by the locking portion 131a. Here, when the emergency exit opening and closing portion 150 returns to the closed position by adjusting the length of the locking portion 131a, the locking portion 131a may hit the gear 155. As a result, the folded first plate 151 can be easily unfolded.

Meanwhile, the magnetic body 159 may be attached to any one of the main weight part 130 and the second plate 152. This helps the emergency exit screen 140 to close correctly when the emergency exit screen 140 returns from the open state to the closed state.

As shown in FIGS. 4 and 6, when the emergency exit screen 140 is opened, the first plate 151 is folded in an opening direction (OD) facing each other. In this state, the distance between both ends of the first plate 151 is smaller than the width of the emergency exit receiving portion 135. Accordingly, when the emergency exit screen 140 is pushed forward, the emergency exit opening and closing part 150 is out of the emergency exit accommodation part 135 of the main weight bar 130, and the emergency exit 121 is opened.

When the external force applied to the emergency exit screen 140 is removed after passing by a person, the emergency exit opening and closing part 150 descends toward the emergency exit accommodation part 135 by gravity according to its own weight of the emergency exit opening and closing part 150.

At this time, after the emergency exit opening and closing unit 150 is seated on the emergency exit receiving unit 135 of the main weight bar 130, the first exit plate 151 must be unfolded to maintain the emergency exit screen 140 in a closed state. Can be. Although the emergency exit opening and closing unit 150 is seated on the emergency exit accommodation unit 135, if the first plate 151 is not extended, the emergency exit screen 140 may be opened by the pressure of the fire.

The first plate 151 and the second plate 152 may be connected to the elastic member 157 so that the first plate 151 is unfolded after the emergency exit opening and closing part 150 is seated in the emergency exit accommodation part 135. Can be. Therefore, after applying an external force to the screen provided with the first plate 151 of the first or second screens 141 and 142 of the emergency exit screen 140 to open the emergency exit 121, and then only remove the external force, the first The screen 141 and the second screen 142 may be in contact with each other to return to the closed state. Here, a tension coil spring or the like may be used as the elastic member 157.

On the other hand, Figure 7 is a perspective view showing a modification of the emergency exit opening and closing portion according to FIG. As illustrated in FIG. 7, the emergency exit opening / closing part 150 may be disposed at one end of the third plate 154 and the third plate 154 formed on the opposite side of the first plate 151 based on the second plate 152. It may further include the provided gear 155c. Here, the third plate 154 includes the gears 155a and 155b of the first plate 151 and the gears 155c engaged with each other, so that the first plate 151 and the third plate 154 may move simultaneously. Can be.

The third plate 154 may serve to help the opening and closing operation of the first plate 151 and the gears 155a and 155b.

Here, up to four gears 155 may be installed. Even if four gears 155 are installed, if only a plate connected to one gear moves, four gears may move at the same time to move all the plates at once. At this time, two gears which engage with each other may be separated, and two gears may be arranged on the left and the right side or the front and the rear side, respectively.

In addition, the emergency exit opening and closing unit 150 may not only be installed at the bottom center of the emergency exit screen 140, but may also be installed on at least one side of the left or right side of the bottom of the emergency exit screen 140. When the width (horizontal length) of the emergency exit screen 140 is large, when the emergency exit opening and closing part 150 is installed at the bottom center of the emergency exit screen 140, the length of the emergency exit screen 140 that needs to be folded is increased so as to open it. Strength may be required. In this case, the emergency exit opening and closing unit 150 may be installed on at least one of the left side and the right side of the bottom of the emergency exit screen 140 to reduce the length of the emergency exit screen 140 to be folded to open the emergency exit screen 140 with little force. Can be.

Hereinafter, a guide rail and a gasket of a fire screen shutter according to an embodiment of the present invention will be described. FIG. 8 is a cross-sectional view illustrating the guide rail and the gasket as a cross-sectional view taken along the cutting line VIII-VIII of FIG. 1, and FIG.

8 and 9, the fire screen shutter includes guide rails 110 provided at both sides of the main screen 120 to guide the lifting of the main screen 120, and at both ends of the main screen 120. Gaskets 125 and 126 may be formed to block smoke or heat introduced through the guide rail 110.

The gaskets 125 and 126 may be attached to the front and rear sides of the left and right edges of the main screen 120 and may be coupled to the main screen 120 by stitching.

Here, the gaskets 125 and 126 may be formed at both ends of the main screen 120 to be formed at one side of the guide bolt 127 to prevent both ends of the main screen 120 from being separated from the guide rail 110. The guide bolt 127 may prevent the main screen 120 from being separated from the guide rail 110.

That is, as shown in FIG. 8, the gasket 125 may be formed outside the position where the guide bolt 127 is mounted. In this case, the gasket 125 may have a shape covering the guide bolt 127. That is, although the gasket 125 covers the guide bolt 127 in a state in which the gasket 125 is not mounted on the guide rail 110, the gasket 125 is slightly extended when the gasket 125 is mounted on the guide rail 110. An end of the 125 may be in contact with the inner surface of the guide rail 110 to prevent smoke and the like from permeating into the guide rail 110.

Here, as the width of the gasket 125 is increased, the performance of the gasket 125 may be improved.

Meanwhile, as shown in FIG. 9, the gasket 126 may be formed inward from the position where the guide bolt 127 is mounted. In this case, the gasket 126 does not cover the guide bolt 127. However, since the operation or function of the gasket 126 according to FIG. 9 is the same as the gasket 125 shown in FIG. 8, a detailed description thereof will be omitted.

As such, by forming gaskets 125 and 126 on the main screen 120 to prevent smoke or heat from flowing into the guide rails 110, the guide rails 110 may be separately attached to the guide rails 110 by post-working. Discomfort to be attached can be reduced, and the productivity of the guide rail 110 and the gasket 125 can be increased.

The fire screen shutter described so far should be understood as the technical idea of the present invention or the minimum description of the present invention which can be grasped from various viewpoints, and should not be understood as the boundary limiting the present invention.

Although the preferred embodiments of the present invention have been described above by way of example, the scope of the present invention is not limited to these specific embodiments, and may be appropriately changed within the scope of the claims.

1 is a perspective view showing an open fire screen of the fire screen shutter according to the present invention;

2 is a perspective view showing a shielded fire screen of the fire screen shutter according to the present invention;

3a and 3b is a perspective view showing a state in which the emergency exit formed in the fire screen according to Figure 2 is open,

4 is a perspective view showing the emergency exit opening and closing part when the emergency exit screen of the fire screen shutter according to FIG. 2 is closed;

5 is a perspective view illustrating the emergency exit opening and closing part when the emergency exit screen of the fire screen shutter according to FIG. 2 is opened;

6 is a perspective view of the emergency exit screen and the emergency exit opening and closing part according to FIG. 5;

7 is a perspective view showing a modification of the emergency exit opening and closing portion according to FIG.

8 is a cross-sectional view taken along the cutting line VIII-VIII of FIG. 1 showing a guide rail and a gasket;

9 is a cross-sectional view showing a modification of the gasket according to FIG. 8.

<Explanation of symbols for the main parts of the drawings>

100: Fire prevention screen shutter 110: Guide rail

120: Main screen 130: Main weight bar

140: emergency exit screen 141: first screen

142: second screen 150: emergency exit opening and closing

151: first plate 152: second plate

153: base plate 154: third plate

155: gear 157: elastic member

159: magnetic material

Claims (11)

A main screen on which an emergency exit is formed; A main weight bar provided at a bottom of the main screen to maintain the horizontal level of the main screen; An emergency exit screen including a first screen covering the emergency exit on one surface of the main screen and a second screen covering the emergency exit on the other surface of the main screen, the emergency exit screen opening and closing the emergency exit; And An emergency exit opening / closing unit including a gear formed between the first plate and the first plate provided at the lower left and right sides of either the first screen or the second screen to move the first plate simultaneously; Include, And the emergency exit opening and closing unit simultaneously opens and closes any one screen provided with the first plate of the first screen or the second screen by simultaneously moving the first plate by the gear. delete delete The method of claim 1, And the gear includes a first gear formed on one of the first plates and a second gear formed on the other of the first plates and engaged with the first gear. The method of claim 1, The emergency exit opening and closing part further comprises a second plate provided on the bottom of any one of the first screen or the second screen is not provided with the first plate and the base plate formed on the bottom of the second plate, Fire prevention screen shutter, characterized in that the base plate is formed with a gear pin for mounting the gear. The method of claim 5, The main weight bar includes a vertical plate formed in parallel with the second plate and a horizontal plate formed at a lower end of the vertical plate, The fire prevention screen shutter, characterized in that the vertical plate is provided with an emergency exit receiving portion for mounting the emergency exit opening and closing portion and the engaging portion for preventing the base plate is lifted. delete The method of claim 5, And the first plate and the second plate are connected by an elastic member to return the first plate to the closed state. The method according to any one of claims 1, 4, 5, 6 or 8, Both sides of the main screen are mounted to a guide rail for guiding the lifting of the main screen, Fire prevention screen shutter, characterized in that formed on both ends of the main screen gasket to block the smoke or heat flowing through the guide rail. 10. The method of claim 9, The upper end of the main screen is provided with a shaft for winding the main screen, The main screen has a fire prevention screen shutter, characterized in that the horizontal holding pocket is formed so as to be uniformly wound or level when the main screen is wound on the shaft. The method of claim 10, And wherein the emergency exit screen has an emergency exit screen horizontal holding portion formed on the shaft so as to be uniformly wound or leveled when the emergency exit screen is wound.

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