KR100734784B1 - Integrated style automatic fire shutter - Google Patents

Abstract

An integrated-style automatic fireproof shutter is provided to prevent an emergency door from being opened though the door is deformed by a fire by installing a detachable unit having a magnet member on the emergency door of the fireproof shutter. The integrated-style automatic fireproof shutter includes: a shutter plate(10); and an emergency door(20) of which one side is connected to the shutter plate by a hinge(21) and the other side has a detachable unit(30). The detachable unit comprises a fixing member fixed to the end of the shutter plate and having a space part formed therein, a magnet member having an alnico magnet embedded in a holder and fixed to the space part of the fixing member, and an end bracket having a contact part fixed by a magnetic force of the magnet member and fixed to the emergency door.

Description

Integrated style automatic fire shutter

1 is a view showing the overall structure of a fire prevention shutter according to the prior art.

Figure 2 is a plan view showing a locking member of the conventional fire shutter.

Figure 3 is a plan view showing a locking member of the conventional fire shutter.

4 is a view showing the overall structure of an integrated automatic fire shutter according to the present invention.

Figure 5 is a perspective view of the detachable means of the integrated automatic fire shutter according to the invention.

Figure 6 is a front view of the detachable means of the integrated automatic fire shutter in accordance with the present invention.

FIG. 7 is a cross-sectional view taken along the line AA of FIG. 6. FIG.

8 is a cross-sectional view taken along the line BB of FIG. 7.

9 is a view showing a state in which the emergency door is opened in FIG.

10 is a perspective view of a magnet member according to the present invention.

11 is a cross-sectional view of the magnet member according to the present invention.

(Explanation of symbols for the main parts of the drawing)

10: shutter plate 11: incision groove

20: emergency door 21: hinge

30: detachable means 31: fixing member

31a: space 32: magnet member

32a: Alico magnet 32b: holder

32b-1: inner cylinder 32b-2: outer cylinder

33: End bracket 33a: Contact portion

33b: protrusion 33b-1: inner inclined surface

33b-2: outside slope

The present invention relates to an integrated automatic fire shutter, and more particularly, in order to prevent the emergency door from opening even when deformation is caused by a flame in the integrated automatic fire shutter in which the emergency door is formed at a predetermined position of the shutter plate, the emergency door is resistant to heat. It relates to an integrated automatic fire shutter to install a detachable means including a magnet member made of alico magnet.

In general, a fire shutter is installed inside a building, and normally serves as a shutter to prevent outsiders from entering a specific space. In the event of a fire, flame, smoke, and toxic gas are spread. In addition, the building is mandated by fire law in buildings larger than a certain size.

In addition, the above fire prevention shutter is usually installed around the detection means such as a fire detection sensor, so that the shutter plate is automatically lowered when the fire is detected, so that the shutter plate can be evacuated to a predetermined position so that people remaining in the building can escape. An integrated fire protection shutter is disclosed that allows a person isolated in an interior space to install a door to quickly prepare for the emergency door after opening it.

As a conventional example of an integrated fire shutter having an emergency door as described above, it can be found in "Shielding member for fire shutter" of Korean Patent Laid-Open Publication No. 506-000534a.

1 to 3 is a view showing a fire prevention shutter according to the prior art.

As shown, the conventional fire shutter has a shutter box (1) in which a drive device is installed, a shutter slat (2) configured to bind up and down in an elongated plate shape, and a side wall of a building to guide the shutter slat (2). The guide rails embedded in the guide rails and the one side portion as part of the shutter slats 2 are connected to each other by the hinge member 3a, and the door slats 3 are configured to be tied up and down so as to be wound simultaneously when the shutter slats 2 are wound. In the fire exit shutter of the emergency exit type to include,

First and second shielding members 4 and 5 which overlap each other are installed at the leading edge of the door slat 3 and the entrance and exit side of the shutter slat 2, but the first shielding member 4 is a door. A first fixing piece 4a fixed to the leading edge surface of the slat 3, and a first overlapping piece extending horizontally from the first fixing piece 4a and overlapping the bottom surface of the emergency door entrance side of the shutter slat 2; 4b, the second shielding member 5 is a second fixing piece 5a fixed to the entrance side end of the shutter slat 2 and a c-shape extending horizontally from the second fixing piece 5a. A second overlapping piece 5b and a horizontal extension piece 5c extending from the second overlapping piece 5b, wherein the first shielding member 4 includes a door slat 3 and a shutter slat 2. ) Is provided with one or more catches to securely maintain the overlapping state of the first and second shielding members (4) and (5). To construct combining member 6.

In addition, the locking member 6 is coupled to the first fixing piece 4a and is provided with a first case 6a provided with one hollow portion 6a-1 having a screw thread formed therein, and the hollow portion 6a-. 1) and a locking frame (6b) is screwed to the inner end of the thread formed on one end, the locking frame (6b) is a fastening portion (6b-1) and the outer surface is provided with a screw thread to enable adjustment of the protrusion length The curved portion is divided into a first locking portion 6b-2 which is engaged with the horizontal extension piece 5c of the second shielding member 5.

In addition, the first catching portion 6b-2 is protruded to allow flow to one end of the hollow portion of the catching frame 6b so that the catching ball is caught on the horizontal extension piece 5c of the second shielding member 5 ( 6b-3), the first adjusting piece (6b-4) is screwed to the other end of the hollow portion of the locking frame (6b), and both ends of the locking ball (6b-3) and the first adjusting piece (6b-4) To be fixed, the elastic force is variable from the adjustment of the first adjustment piece (6b-4) is coupled to the first spring (6b-5) of adjusting the locking force of the locking ball (6b-3).

In addition, inside the second overlapping piece 5b, a magnet 7 generating magnetic force is formed so as to maintain the overlapping state firmly when overlapping with the first overlapping piece 4b.

The fire shutter configured as described above is provided with a shutter box (1) in which a drive device is installed in an upper part of an entrance of a building or an area where a fire is expected, and the shutter box (1) has a vertical slab that is formed in an elongated plate shape. (2) will be configured.

At this time, a guide rail for guiding the shutter slats 2 is embedded in the side wall of the building, and a part of the shutter slats 2 are opened and closed by the hinge member 3a as well as are wound simultaneously when the shutter slats 2 are wound. An emergency door including a door slat (3) having a vertical binding is installed, and the first fixing piece (4a) included in the first shielding member (4) is fixed to the leading edge of the door slat (3). .

Then, the first overlapping piece 4b extending from the first fixing piece 4a is located in the outward direction from the leading edge of the door slat 3, and the entrance side end of the shutter slat 2 is located. The second fixing piece 5a included in the second shielding member 5 is fixed thereto.

Then, a c-shaped second overlapping piece 5b extending and bent from the second fixing piece 5a is located in the outward direction from the entrance side end of the shutter slat 2, and the second overlapping piece ( 5b), the horizontal extension piece 5c is extended, and when the emergency door made of the door slat 3 is closed by the shutter slat 2 forming the fire shutter, the first overlapping piece 4b has a second The overlapping piece 5b and the horizontally extending piece 5c overlap to primarily shield the gap between the door slat 3 and the shutter slat 2.

In addition, the magnet 7 provided inside the second overlapping piece 5b generates a magnetic force when the first overlapping piece 4b is overlapped to overlap the first and second overlapping pieces 4b and 5b. It keeps the state solid.

However, there is a problem in the conventional fire prevention shutter as described above requires a separate locking member in addition to the first and second shield members.

In addition, deformation occurs in the locking balls 6b-3 and the first spring 6b-5 in the locking member 6 due to the high temperature heat generated by the fire, and the magnet 7 also generates magnetic force by heat. There is a problem that the gap is generated in the door slat for the shutter slat is lost and the flame is emitted to the outside.

The present invention has been made to solve such a conventional problem, and its object is to provide an emergency door so that the emergency door does not open even if deformation is caused by a flame in an integrated automatic fire shutter with an emergency door formed at a predetermined position of the shutter plate. It is to provide an integrated automatic fire shutter to install a detachable means including a magnet member made of heat resistant alico magnet.

The present invention for achieving this object is a plurality of slats are combined to form a shutter plate, one side is coupled to the hinge so as to open in a predetermined position of the shutter plate and the other side is an integrated automatic including an emergency door is installed detachable means In the fire shutter, the detachable means is a fixed member fixed to the end of the shutter plate, a space portion is formed therein, a magnet member built-in alico magnet inside the holder, and fixed to the space portion of the fixing member; A contact part is formed to be fixed by the magnetic force of the magnet member, it is composed of an end bracket fixed to the fire door, the holder is composed of the inner, outer cylinder, the inner cylinder is made of a non-magnetic material, the outer cylinder is made of a ferromagnetic material .

delete

In addition, by forming a protrusion on one side of the end bracket to be coupled to the cutting groove formed in the end of the shutter plate.

In addition, the lower end of the protrusion is formed in the inner and outer inclined surface of the protrusion direction, respectively.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

4 is a view showing the overall structure of the integrated automatic fire shutter according to the invention.

As shown, the integrated automatic fire shutter has a plurality of slats are combined to form a shutter plate 10, one side is coupled to the hinge 21 so as to open in an emergency in a predetermined position of the shutter plate 10 and the other side is detachable. Means 30 are to include an emergency door 20 is installed.

On the other hand, in the present invention, since the shutter box and the like incorporating the driving device is the same as the conventional one, the configuration thereof is omitted.

5 to 11 is a view showing the detachable means of the integrated automatic fire shutter in accordance with the present invention.

As shown in the drawing, the detachable means 30 includes a fixed member 31, a magnet member 32, and an end bracket 33.

The fixing member 31 is fixed to the end of the shutter plate 10, and a space portion 31a is formed therein.

The magnet member 32 has an alico magnet 32a inside the holder 32b, and is fixed to the space 31a of the fixing member 31 so that the alico magnet 32a having strong heat resistance is held in a holder ( By further protecting 32b), heat resistance can be further improved.

At this time, the holder 32b is one side is open, the other side is made of a closed structure is a magnetic force line is generated to the open side.

In addition, the holder 32b is composed of inner and outer cylinders 32b-1 and 32b-2, the inner cylinder 32b-1 is made of a nonmagnetic material, and the outer cylinder 32b-2 is made of a ferromagnetic material. Thus, the magnetic lines of force of the alico magnet 32a can be further strengthened.

The end bracket 33 has a contact portion 33a which is fixed by the magnetic force of the magnet member 32, and is fixed to the fire door.

In addition, by forming a protrusion 33b on one side of the end bracket 33 so as to be coupled to the cutout groove 11 formed at the end of the shutter plate 10, even if the emergency door 20, etc., due to heat distortion The emergency door 20 is not separated from the shutter plate 10 by the protrusion 33b.

In addition, the inner and outer inclined surfaces 33b-1 and 22b-2 are respectively formed in the lower end portion of the protrusion 33b in the protruding direction, so that the inner and outer inclined surfaces 33b-1 are opened and closed when the emergency door 20 is opened and closed. (22b-2) is to be easily opened and closed.

The integrated automatic fire shutter of the present invention configured as described above forms an emergency door 20 at a predetermined position of the shutter plate 10, the hinge 21 is coupled to one side of the emergency door 20, and detachable to the other side. Means 30 are formed so that even if the shutter plate 10 is lowered by the fire to close the space, the person can escape through the emergency door (20).

At this time, the magnet member 32 embedded in the fixing member 31 fixed to the shutter plate 10 is fixed by the strong magnetic force to the contact portion 33a of the end bracket 33 fixed to the emergency door 20. The emergency door is not opened by high temperature heat.

That is, the magnet member 32 of the present invention can further enhance the heat resistance by embedding the heat resistant alico magnet 32a in the holder 32b of the double cylinder.

In addition, the protrusion 33b of the end bracket 33 is coupled to the cutout groove 11 of the shutter plate 10 so that the fire door is not easily detached even if the door is twisted with respect to the shutter plate 10. When the fire door is opened, the fire door is opened along the inner inclined surface 33b-1 of the protrusion 33b.

In addition, when the door is closed, the emergency door 20 is coupled to the cutout groove 11 of the shutter plate 10 along the outer inclined surface 33b-2 of the protrusion 33b of the end bracket 33. In this case, the contact portion 33a of the end bracket 33 is coupled by the magnet member 32 embedded in the space 31a of the fixing member 31.

Although the present invention has been described with reference to one embodiment shown in the accompanying drawings, it will be understood that various modifications and other embodiments are possible to those skilled in the art.

According to the present invention as described in detail above, the emergency door is deformed to the emergency door by installing a detachable means including a magnet member made of alico magnets resistant to heat in the emergency door in the integrated automatic fire shutter having an emergency door formed at a predetermined position of the shutter plate. Even if this happens, the emergency door will not open.

Claims (4)

A plurality of slats are combined to form a shutter plate 10, one side is coupled to the hinge 21 so as to be opened in a predetermined position of the shutter plate 10, and the other side is an emergency door (removable means 30 is installed) In the integrated automatic fire shutter including 20), The detachable means 30 is fixed to the end of the shutter plate 10, a fixing member 31 having a space portion 31a therein, and an alico magnet 32a inside the holder 32b. And a magnet member 32 fixed to the space 31a of the fixing member 31 and a contact portion 33a fixed by the magnetic force of the magnet member 32, and an end bracket fixed to the fire door. Consists of 33, The holder 32b is composed of inner and outer cylinders 32b-2, 32b-1 and 32b-2, the inner cylinder 32b-1 is made of a nonmagnetic material, and the outer cylinder 32b-2 is a ferromagnetic material. Integrated automatic fire shutter, characterized in that consisting of. delete The method of claim 1, One-piece automatic fire shutter, characterized in that to form a protrusion (33b) on one side of the end bracket (33) to be coupled to the cutting groove (11) formed at the end of the shutter plate (10). The method of claim 3, The lower end of the protruding portion (33b) integral automatic fire shutter, characterized in that the inner and outer inclined surface (33b-1) (33b-2) in the protruding direction are formed, respectively.

Images