KR101597890B1 - Water film forming fire protecting doorframe and its construction method - Google Patents

Abstract

It is a technical object of the present invention to provide a water-film-forming fire door frame of a shelter space in which a water-film-forming fire door frame is installed in a toilet with water to prevent flames and toxic gases from flowing into the inside of the fire room, .
In order to solve the above-described problems, the present invention provides a water-film-forming fire-resistant door frame which is installed to cover a door frame, the door frame comprising a side cover portion covering one side end portion of the door frame and a top cover portion covering an upper surface of the door frame. A door support portion formed so as to protrude upward from a side portion of the door receiving portion; and a door supporting portion formed adjacent to the door supporting portion and having opposed side edges of the door frame And a second end cover portion formed of a top cover portion covering the upper surface of the side surface cover portion and a surface of the opposite side surface of the crest housing portion. A first water storage portion formed of a closed space is formed in the door storage portion, And a first nozzle is formed on the bottom surface in a direction toward the door.

Description

FIELD OF THE INVENTION [0001] The present invention relates to a water film forming fire-

The present invention relates to a water-film-forming fire-resistant door frame and a construction method thereof, and more particularly, to a water-building fire-proof door frame and a method of manufacturing the same, This is about a water-film-forming fire-resistant door frame that can save lives, such as persons with disabilities and old people, by installing an air supply device and a water spraying device to prevent flames and toxic gas from being introduced into the city.

Recently, apartment buildings and residential complexes are being built in high-rise trends.

However, when a fire occurs in a high - rise apartment and a high - rise building, there is a problem that the elevated ladder of a fire truck can not be accessed to extinguish the fire.

In order to prevent such problems, recently, high-rise buildings are required to set separate fire escape zones.

However, these regulations do not apply to high-rise apartments and buildings built before such regulations are enacted, which is problematic because shelters are not fixed even though they are high-rise buildings.

In addition, according to the regulations, even if the building is installed with a shelter, most of the building materials in the room are made of flammable material and easily burned in the flame, so that it is surrounded by the flames. Therefore, there is a difficulty even to escape from the room and move to the shelter.

In order to solve such a problem, Korean Registered Patent Application No. 20-0331768 discloses a fire door made of wood for inserting a fireproof sheet between plywoods.

Fire doors are effective in terms of fire resistance to flames, but they still remain vulnerable to toxicity due to toxic gases.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a water-film-forming fire-resistant door frame which is easy to install and which has a hermetic property to prevent flames and prevent toxic gases from entering the interior .

In order to solve the above-described problems, the present invention provides a water-film-forming fire-resistant door frame which is installed to cover a door frame, the door frame comprising a side cover portion covering one side end portion of the door frame and a top cover portion covering an upper surface of the door frame. A door supporting portion formed to protrude upward from the side surface of the door receiving portion, and a door supporting portion formed adjacent to the door supporting portion, And a second end cover portion formed of a top cover portion covering the upper surface of the side surface cover portion and a surface of the opposite side surface of the crest housing portion. A first water storage portion formed of a closed space is formed in the door storage portion, And a first nozzle is formed on the bottom surface in a direction toward the door.

According to another aspect of the present invention, there is provided a water-film-forming fire door frame which is installed so as to cover a door frame, the door comprising a first cover fixed to cover one end of the door frame and a second cover fixed to the opposite end of the door frame Wherein the first cover is formed by a first end cover portion composed of a side cover portion covering one side end portion of the crest frame and a top cover portion covering one side end portion of the crest frame, The second cover includes a door holding portion formed to protrude upward from the top cover portion, a door supporting portion formed to be stepped upward from the side of the door holding portion, and a door supporting portion formed adjacent to the door supporting portion, And a second end cover portion formed of a top cover portion covering the upper surface of the side cover portion covering the end portion and the upper surface of the opposite side of the crest frame, First the water receiving portion is formed, the bottom part of the first water receiving formed is characterized in that the first nozzle is formed in the direction toward the door.

In order to solve the above-mentioned problems, the present invention provides a water film forming fireproof door frame which is installed so as to cover a crest frame, comprising: a first end cover fixed to cover one end of a crest frame; And a second end cover which is disposed adjacent to the center cover and fixed to cover another opposite end of the crest frame, the first end cover comprising: a side cover portion covering a side of one end of the crest frame; And a top cover portion covering an upper surface of one end portion of the crest frame, the center cover including a door storage portion formed to protrude upward from the top cover portion, Wherein the second end cover comprises a side cover portion covering a side surface of the other opposite end portion of the crest frame and a side cover portion covering an upper surface of one end of the crest frame A first water receiving portion formed of a closed space is formed in the inside supporting portion, and a first nozzle is formed in the bottom surface of the first water receiving portion in a direction toward the door .

In the water film forming fire door frame of the present invention, the end cover portion, the door receiving portion, and the door supporting portion are integrally formed.

In the water filming fireproof door frame of the present invention, a first groove portion is formed at the upper end of the door supporting portion to accommodate the horizontally extending top cover portion of the first end cover portion.

In order to accommodate the horizontally extending top cover portion of the first end cover portion, a first groove portion is formed at the upper end of the door support portion, and a horizontally extending upper surface portion of the second end cover portion And a second groove portion is formed at the upper end of the door receiving portion to receive the cover portion.

In the water film forming fireproof door frame of the present invention, an insertion groove for receiving a gasket is formed at a stepped end portion adjacent to the door receiving portion in the door supporting portion.

In the water film forming fire door frame of the present invention, the first water receiving portion is connected to a water channel for supplying water from the outside.

In the water film forming fire door frame of the present invention, the water channel is provided with a valve which is manually or automatically controlled to be opened or closed.

In the water film forming fireproof door frame of the present invention, a groove is formed in the crest frame in the inside of the first end cover portion, and the second water accommodating portion, which is accommodated in the groove and whose inside is formed as a closed space, And a second nozzle is formed on a bottom surface of the second water accommodating portion in a direction toward the door.

The water film-forming fireproof door frame of the present invention comprises a door holding part formed at one side end to receive a door and an opening supporting part formed to be stepped upward with respect to the door holding part, And a first nozzle is formed on a bottom surface of the first water accommodating portion in a direction toward the door.

In the method of constructing a water film forming fire door frame according to the present invention, a water film forming fire door frame is formed on one or both of an upper end and a side end of a door of a water film forming fire door frame.

In the method for constructing a water film forming fire door frame according to the present invention, the extension line of the center line of the first nozzle of the water film forming fire door frame constructed at the side end portion of the door is extended to the extension line of the center line of the first nozzle of the water film forming fire door frame And a water film forming fire door frame is formed so as to cross each other.

In the water film forming fire door frame system of the present invention, an air supply device is additionally installed in a space provided with the water film forming fire door, and the air supply device includes an air supply fan for supplying outside air into the space, And the air supply fan is controlled to be operated simultaneously when the valve is opened.

The water film-forming fireproof door frame of the present invention is installed in all buildings such as apartments by utilizing a toilet with water as a evacuation space. It is also possible to install the waterproof door frame by using existing door frame by repairing and repairing the existing door frame of houses or buildings, thus saving lives and saving cost and time.

This water film forming fireproof door frame injects water on the surface of the door in the door frame when a fire occurs, so that the water sprayed down the door surface forms a water film on the surface of the door to prevent the door from burning, It has an effect of preventing generation of gas.

Also, the water sprayed on the door has a merit that it penetrates into the gap between the door and the door frame to form a water film, and prevents the toxic gas generated from the outside from flowing into the inside through the gap due to the air supply device and the water spraying device.

The water jet opening is provided not only on the upper portion of the door frame but also on the upper end portions of both side portions of the door frame so that the fire resistance of the door is increased by water spraying on the upper end corner portion of the door.

Since the gasket is attached to the watertight door frame, it normally absorbs the impact sound of the door, and forms an airtight seal in case of fire, thereby preventing the inflow of toxic gas.

On the other hand, the second water receiving portion is provided on the inner side of the door as well as the outer side of the door, if necessary, so that water can be sprayed on the inside and outside of the door to improve the fire performance .

In addition, since the structure of the fire door frame itself plays a role of storing water, the characteristic of this technology is that it does not require water piping for storing water separately, thus it has cost reduction and convenience of construction.

BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a cross-sectional view of a water film forming fire door frame according to the present invention; FIG.
2 is a view showing a connection state of a water film forming fire door according to the present invention and a water channel.
3 is a view showing an operational state of the water film forming fire door frame according to the present invention.
4 is a view showing another embodiment of the water film forming fire preventing door frame according to the present invention.
5 is a view showing another embodiment of the water film forming fire preventing door frame according to the present invention.
6 is a view showing a water film forming fire door frame system of the present invention.
Fig. 7 is a view showing a second embodiment of the water film forming fire preventing door frame according to the present invention.
8 is a view showing another example of the second embodiment of the water film forming fire door of the present invention.
Fig. 9 is a view showing a third embodiment of a water film forming fireproof door frame according to the present invention.
Fig. 10 is a view showing a fourth embodiment of the water film forming fire preventing door frame according to the present invention.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

[First Embodiment]

BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a cross-sectional view of a water film forming fire door frame according to the present invention; FIG.

The water-film-forming fireproof door frame 10 of the present invention may be formed of wood or a synthetic resin material. The first embodiment may include the first end cover portion 100, the door receiving portion 200, the door supporting portion 300, And the second end cover portion 400 are integrally formed.

The first end cover portion 100 is formed of a side cover portion 110 covering the side end portion of the crown frame 1000 and a top cover portion 120 covering the top surface of the crown frame 1000, As shown in FIG.

The door cover 200 is formed at an inner side of the top cover 120 so as to protrude upward.

The door receiving portion 200 serves to support and accommodate the side end portion and the upper end portion of the door D, respectively.

The door supporting portion 300 is formed on the side of the door receiving portion 200 so as to be stepped upward.

In the inside of the door supporting portion 300, a first water receiving portion 310 formed of a closed space is formed. Both ends of the first water receiving portion 310 are formed in a closed form for receiving water.

A first nozzle 320 is formed in a lower bottom portion of the first water receiving portion 310 so as to pass through the first water receiving portion 310 in a direction toward the door.

A groove 330 for inserting the gasket 500 is formed on the stepped side of the door supporting portion 300 adjacent to the door receiving portion 200.

A side cover portion 410 covering the side end portion of the door frame 1000 and a top cover portion 300 covering the top surface of the door frame 1000 420).

2 is a view showing a connection state between a water film forming fire door and a water channel according to the present invention.

2, a water channel 600 is connected to a side or an upper portion of the first water accommodating portion 310, and a valve 610 is installed in the water channel 600.

The valve 610 is configured to be manually operated or to be automatically operated through a fire monitoring sensor (not shown) in the building.

The water film-forming fireproof door frame of the present invention is installed in a toilet because the toilet has a ventilation facility and is relatively easy to discharge toxic gas and has water, which is advantageous in preparation for fire.

Next, the operation of the water film forming fire door frame will be described. 3 is a view showing an operational state of the water film forming fire door frame according to the present invention.

When a fire occurs, the valve 610 is automatically opened by a manual operation in the control unit 700 or a fire detection sensor 710 installed in the building.

When the valve 610 is opened, the water flows into the first water receiving part 310 through the water channel 600 and is sprayed toward the door through the plurality of first nozzles 320.

Water sprayed from the first nozzle 320 is sprayed to the top of the door so that the water film is formed over the entire door while flowing along the door.

Thus, the water film formed on the door prevents the door from being burned.

The water sprayed on the door flows along the door and penetrates into the gap between the door and the water-film-forming door frame 10 to form airtightness, thereby preventing the toxic gas from flowing into the inside.

In addition, the gasket 500 is formed in the water-film-forming fire-resistant door frame 10 of the present invention. In this case, the gasket 500 acts to buffer the impact of the doors. In the event of a fire, So that it can be prevented from penetrating into the inside through a double action.

Further, in the present invention, since the first water receiving part 310 functions to store water in the structure of the fire door frame itself, there is no need for water piping for storing separate water, thereby reducing cost and convenience of construction.

4 is a view showing an operating state of another embodiment of the water film forming fire preventing door frame according to the present invention.

In another embodiment of the present invention, the water film forming fire door may be installed not only at the upper end of the door but also at the side end of the door.

When the water film forming fire door frame is provided only at the upper end of the door, the water sprayed from the first nozzle 320 adjacent to the two sides of the door at the center of the upper end of the door is splashed with each other to form a water film on the surface of the door, .

However, in both corner portions (a) of the upper end of the door, the first nozzle 320 exists only on the center side of the door and the first nozzle 320 does not exist on the end side of the door, A problem may arise.

Therefore, when the water film forming fire door frame 10 is provided at the side edge of the door, the water sprayed from the water film forming fire door frame 10 at the side end portion and the water sprayed from the upper end portion of the door collide with each other and splash, (a) is also supplied with water to form a water film so as to have fire resistance.

As shown in FIG. 4, the extension line of the center line of the first nozzle 320 of the water-film-forming fire-fighting door frame, which is formed at the side edge of the door, is formed at the center line of the first nozzle 320 of the water- So as to cross each other.

In this case, the collision between the water sprayed from the nozzle 320 of the top water film forming fire door frame and the water sprayed from the nozzle 320 of the side wall film forming fire door of the door becomes more active, the cooling effect for (a) becomes more certain.

5 is a view showing another embodiment of the water film forming fire preventing door frame according to the present invention

In another embodiment of the present invention, a water film may be formed not only on the outside of the door but also on the inside of the door.

The first end cover portion 100 that forms the recess 1010 inwardly of the door frame 1000 at the opposite end of the door supporting portion 300 and covers the recess 1010 can be received in the recess 1010 And a second water receiving portion 130 formed as a closed space is formed inside.

The second nozzle 140 is formed on the bottom surface of the second water receiving part 130 so as to penetrate in a direction toward the door.

Water can be supplied to the second water receiving part 130 through the water channel 600 as in the case of the first water receiving part 310.

Therefore, when a fire occurs, the first water receiving portion 310 functions to form a water film on the outer side of the door, and the second water receiving portion 130 functions to form a water film on the inner side of the door, So that the refractory performance and the toxic gas tightness effect are further doubled.

Fig. 6 is a view showing a system in which a water film forming fire preventing door frame according to the present invention is installed.

The water film forming fire door frame of the present invention may be installed in the household toilet and the space R. In this case, an air supply device 800 for introducing the outside air into the space R may be additionally provided.

The air supply device 800 includes an air supply fan 810 for supplying outside air to the inside of the space R and an emergency power unit 820 for supplying power for rotating the air supply fan 810 .

The air supply fan 810 is installed in a household toilet. The air supply fan 810 may be installed in the window of the household toilet when the household toilet is exposed to the outside so that the outside air flows directly into the space R. [

Alternatively, as shown in FIG. 6, if the household toilet is not exposed to the outside, an air supply fan 810 may be installed in a household toilet, but a separate air supply fan 810 may be installed between the outer wall of the building where the household toilet is installed and the air supply fan 810 And may be configured to flow into the space R through the suction duct 830.

In addition, the emergency power section 820 for driving the air supply fan 810 is configured to operate when normal power supply is stopped due to natural disasters such as fire or earthquake.

A blowing duct 840 having a plurality of outlets 841 is additionally provided in the blowing portion of the air supply fan 810 so that outside air can be blown into the space R in various directions.

When the control unit 700 is manually operated or the valve 610 is opened by the fire detection sensor 710 due to a fire or the like, the control unit 700 also operates the air supply fan 810 .

The external air is introduced into the space R by the operation of the air supply fan 810 and the pressure inside the space R is increased so that the noxious gas to be introduced into the inside of the space R from the outside It is possible to prevent the inflow of the gas.

Particularly, in this embodiment, the external harmful gas is prevented from flowing between the door and the door frame.

[Second Embodiment]

Fig. 7 is a view showing a second embodiment of the water film forming fire preventing door frame according to the present invention.

The second embodiment of the present invention is directed to a case in which the water film forming fire door frame is composed of two covers unlike the case of the first embodiment integrally formed.

That is, the water-film-forming fire-fighting door frame 10 of the second embodiment comprises a first cover 20 fixed to cover one end of the first end crest frame, and a second cover 20 fixed to cover the opposite end of the crest frame 30).

The first cover 20 has the same structure as that of the first end cover portion 100 of the first embodiment except that the top cover portion 120 is formed longer in the horizontal direction than in the first embodiment.

The second cover 30 is formed integrally with the door holding portion 200, the door supporting portion 300, and the second end cover portion 400 of the first embodiment.

In that the first groove portion 210 is formed on the first cover 20 side at the upper end portion of the door supporting portion 200 to receive the upper cover portion 120 of the first cover 20 extending in the horizontal direction, 1 embodiment.

The configuration of the door supporting portion 300 and the second end cover portion 400 is the same as that of the first embodiment.

Also, as in the case of the first embodiment, the water channel 600 is connected to the end of the first water accommodating portion 310, and the valve 610 is installed in the water channel 600.

The same effect is obtained in the first embodiment as to the prevention of door openings and the effect of preventing toxic gas inflow through water spraying.

As a different effect from the first embodiment, in the case of the first embodiment, when a width of a house frame is different, a water film forming fire door frame must be manufactured according to the width of the house, whereas in the case of the second embodiment, Even when the widths of the frames are different, it is possible to install them by adjusting the intervals of the widths provided by the same products, so that it is not necessary to manufacture a water film-forming fire preventing door frame having a different width dimension.

8 is a view showing another example of the second embodiment of the water film forming fire door of the present invention.

FIG. 8 is a view showing a case in which a water-spraying fire-fighting door frame is formed in two, and a water-spraying part is formed both inside and outside the door as in the embodiment shown in FIG.

In other words, a groove 1010 is formed inside the door frame 1000 at the opposite end of the door supporting portion 300 and the first cover 20 covering the groove 1010 can be received in the groove 1010 And a second water receiving portion 130 formed as a closed space is formed inside.

The second nozzle 140 is formed on the bottom surface of the second water receiving part 130 so as to penetrate in a direction toward the door.

Water can be supplied to the second water receiving part 130 through the water channel 600 as in the case of the first water receiving part 310.

As in the case of the embodiment of FIG. 5, the first water receiving portion 310 functions to form a water film on the outside of the door, and the second water receiving portion 130 forms a water film on the inner side of the door Thereby forming a water film on the inner and outer sides of the door so that the refractory performance and toxic gas airtightness action are further doubled.

[Third Embodiment]

Fig. 9 is a view showing a third embodiment of a water film forming fireproof door frame according to the present invention.

The third embodiment of the present invention is directed to a case in which the second end cover portion 400 is formed separately from the second cover 30 of the second embodiment, thereby forming the water film forming fire door frame with three covers.

The water-film-forming fireproof door frame 10 of the third embodiment comprises a first end cover 40, a center cover 50, and a second cover 40 which are fixed to cover the other opposite end of the door frame, And an end cover (60).

The first end cover 40 is formed in the same manner as the first cover 20 of the second embodiment.

The center cover 50 includes only the door receiving portion 200 and the door supporting portion 300 and unlike the second embodiment, the second end cover portion 400 is not included.

In the door cover portion 200 of the center cover 50 in the third embodiment is provided at the upper end portion of the door support portion 200 to receive the upper cover portion 120 of the first end cover 40 extending in the horizontal direction The first groove portion 210 is formed on the side of the first end cover 40 is the same as that of the second embodiment.

The second end cover portion 60 is formed by separating the second end cover portion 400 in the second embodiment, and the upper cover portion 420 is formed to extend in the horizontal direction.

The door cover 200 of the center cover 50 is provided with a second end cover at the upper end of the door supporting portion 200 to receive the upper cover portion 420 of the second end cover 60 extending in the horizontal direction The second trench 340 is formed on the side of the second trench 60.

The first water receiving portion 310 for receiving water is formed in a closed form in the inside of the door supporting portion 300 and the first water receiving portion 310 is formed in a shape facing the door, Is formed is the same as in the case of the first and second embodiments.

As in the case of the first and second embodiments, a groove 330 for inserting the gasket 500 is formed on the stepped side surface of the door supporting portion 300 adjacent to the door receiving portion 200.

As in the case of the first and second embodiments, the water channel 600 is connected to the end of the first water accommodating portion 310 and the valve 610 is provided in the water channel 600.

The effect of preventing door openings and preventing toxic gas inflow through spraying is also the same as in the first and second embodiments.

The third embodiment in which the water film forming fire preventing door frame is formed with three covers is also applicable to the case where the width of the door frame is larger than that in the second embodiment in which the water film forming fire preventing door frame is formed of two covers.

[Fourth Embodiment]

Fig. 10 is a view showing a fourth embodiment of the water film forming fire preventing door frame according to the present invention.

In the fourth embodiment of the present invention, when the door is installed at the end portion of the door frame, when a rear space of the door frame is used as a water receiving portion to form a nozzle for spraying water from the door frame to the door, The door is provided at the center of the door frame and the water film forming fire door frame is installed in the door frame, which is different from the first to third embodiments.

The water film forming fire door frame of the fourth embodiment is formed such that the door frame itself is formed of the door receiving portion 200 and the door supporting portion 300.

The door receiving portion 200 serves to support and accommodate the side end portion and the upper end portion of the door D, respectively.

The door supporting portion 300 is formed on the side of the door receiving portion 200 so as to be stepped upward. In the inside of the door supporting portion 300, a first water receiving portion 310 formed of a closed space is formed. Both ends of the first water receiving portion 310 are formed in a closed form for receiving water.

A first nozzle 320 is formed in a lower side portion of the first water tank receiving portion 310 in a direction toward the door.

The configuration in which the water channel 600 provided with the valve 610 is connected to the first water receiving portion 310 is the same as that in the first embodiment.

In the fourth embodiment as well, the effect of the prevention of the door openings and the toxic gas inflow preventing action by spraying in the first embodiment is the same.

In the case of the fourth embodiment, a hollow shape is formed in the inside of the crested frame to reduce the weight and material, and the hollow space is formed into a closed shape and utilized as a water receiving part.

In the second to fourth embodiments of the present invention, as in the first embodiment, a water-film-forming fire door frame may be formed on the side of the door so as to secure the fire resistance of the upper corner portion of the door.

Also, in the second to third embodiments of the present invention, in the first end cover portion, as shown in the first embodiment, in the opposite end of the door supporting portion 300, insertion is made in the groove 1010 formed in the inside of the door frame 1000 By forming the structure of the second water receiving portion 130 in the end cover portion 100 as much as possible, the water film can be formed in both the inside and the outside of the door.

Although the above-described embodiment has been described only with respect to the construction in which one to three water film forming fire doors are formed, the technical scope of the present invention is not limited thereto.

It is to be understood that the present invention is not limited to this, but may be formed as a plurality of covers of four or more, as long as they have the same operational effects as those of the present invention.

10: water film forming fire door frame 20: first cover
30: second cover 40: first end cover
50: center cover 60: second end cover
100: first end cover portion 200:
300: door support part 400: second end cover part

Claims (14)

A prefabricated water film forming fire door frame installed to cover a crest frame,
A first end cover portion formed by a top cover portion covering a top surface of a crane frame and a side cover portion covering one side end of the crane frame,
A door receiving portion formed to protrude upward from a central portion of the door frame in the top cover portion to allow the door to be received at the center of the door frame,
A door supporting portion formed so as to be stepped upward from the side of the door receiving portion to allow the door to be supported at the center of the door frame,
And a second end cover portion formed adjacent to the door supporting portion and formed by a side cover portion covering opposite side end portions of the door frame and an upper surface cover portion covering opposite upper side surfaces of the door frame,
A first water receiving portion formed of a closed space is formed in the inside of the door supporting portion,
Wherein a first nozzle is formed in a bottom surface of the first water accommodating portion in a direction toward the door. A prefabricated water film forming fire door frame installed to cover a crest frame,
A first cover fixed to cover one end of the crest frame,
And a second cover fixed so as to cover the other opposite end of the crest frame,
The first cover
A side cover portion covering one side end portion of the crest frame and a top cover portion covering an upper side of one side end portion of the crest frame,
The second cover
A door receiving portion formed in the top cover portion so as to protrude upward from a central portion of the door frame so that the door is received at the center of the door frame;
A door supporting portion formed so as to be stepped upward from the side of the door receiving portion, whereby the door is supported at the center of the door frame;
A side cover portion formed adjacent to the door supporting portion and covering opposite side end portions of the door frame, and a second end cover portion formed as an upper surface cover portion covering opposite upper side surfaces of the door frame,
A first water receiving portion formed of a closed space is formed in the inside of the door supporting portion,
Wherein a first nozzle is formed on a bottom surface of the first water accommodating portion in a direction toward the door. A prefabricated water film forming fire door frame installed to cover a crest frame,
A first end cover fixed to cover one end of the crest frame,
A center cover fixed to cover the first end cover,
And a second end cover disposed adjacent to the center cover and fixed to cover the other opposite end of the crest frame,
The first end cover
A side cover portion covering one side end portion of the crest frame and a top cover portion covering an upper side of one side end portion of the crest frame,
The center cover
A door receiving portion formed in the top cover portion so as to protrude upward from a central portion of the door frame so that the door is received at the center of the door frame;
And a door supporting portion formed so as to be stepped upward from a side of the door receiving portion to allow the door to be supported at the center of the door frame,
The second end cover
And a second end cover portion composed of a side cover portion covering a side surface of the other opposite end portion of the crest door frame and an upper surface cover portion covering an upper surface of one end portion of the crest frame,
A first water receiving portion formed of a closed space is formed in the inside of the door supporting portion,
Wherein a first nozzle is formed on a bottom surface of the first water accommodating portion in a direction toward the door. The method according to claim 1,
Wherein the end cover portion, the door receiving portion, and the door supporting portion are integrally formed. The method of claim 2,
Wherein a first groove portion is formed at an upper end of the door supporting portion to receive the horizontally extending upper cover portion of the first end cover portion. The method of claim 3,
A first groove portion is formed at the upper end of the door supporting portion to receive the horizontally extending top cover portion of the first end cover portion,
Wherein a second groove portion is formed at an upper end of the door receiving portion to receive the horizontally extending top cover portion of the second end cover portion. 4. The method according to any one of claims 1 to 3,
Wherein an entrance groove for receiving a gasket is formed at a stepped end of the door supporting portion adjacent to the door receiving portion. 4. The method according to any one of claims 1 to 3,
Wherein a water channel for supplying water from the outside is connected to the first water receiving portion. The method of claim 8,
Wherein the water channel is provided with a valve that is manually or automatically controlled to be opened or closed. 4. The method according to any one of claims 1 to 3,
A groove is formed in the crest frame in an inner direction of the first end cover portion,
The first end cover portion is formed with a second water receiving portion accommodated in the groove and having a closed space therein,
Wherein a second nozzle is formed on a bottom surface of the second water accommodating portion in a direction toward the door. delete A method for constructing a water film forming fire door frame according to any one of claims 1 to 3,
Wherein a water film forming fire door frame is formed on one or both of an upper end portion and a side end portion of the door of the water film forming fire door frame. The method of claim 12,
It is possible to construct the water film forming fire door frame so that the extension line of the center line of the first nozzle of the water film forming fire door frame installed at the side end portion of the door crosses with the extension line of the center line of the first nozzle of the water film forming fire door frame, A method for constructing a water film forming fireproof door frame. A water film forming fire door unit comprising the water film forming fire door frame according to claim 9,
In addition, an air supply device is additionally installed in a space where the water film forming fire door is installed,
The air supply device includes:
An air supply fan for supplying outside air into the space,
And an emergency power unit for driving the air supply fan,
Wherein the air supply fan is controlled to operate simultaneously when the valve is opened.

Images