JPH08240080A - Fire protecting ventilation structure - Google Patents

Abstract

PURPOSE: To provide high design quality, improve safety and a fire protecting function, and satisfy the required ventilation volume, regarding a hollow structure panel. CONSTITUTION: A plurality of ventilation openings 15a are formed respectively on both front and rear surface plates 15 of a hollow structure door, and the end section 15b of each opening 15a is bent inside. In addition, resistor gallery units 20 and 20' are respectively provided at front and rear positions in the hollow structure. As a result of bending the section 15b of the opening 15a inside, the edge 15c of the section 15b is hardly visible from the outside. Also, the opening 15a is formed on the front plate 15 and, therefore, the required ventilation volume is easily met. Furthermore, both resistor gallery units 20 and 20' automatically close a ventilation passage, upon the occurrence of a fire.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fireproof ventilation structure applied to a panel having a hollow structure such as a door for partitioning a space.

[0002]

2. Description of the Related Art Conventionally, there is known a door provided with a fireproof ventilation structure that blocks flames, smoke, etc. in the event of a fire while improving the ventilation of the room. A conventional door provided with such a fireproof ventilation structure is shown in FIGS.

The door 1A shown in FIG.
It has a hollow structure in which a pair of surface plates 2 and 2 are separated from each other via a frame body, and an opening 3a for ventilation is formed by a ventilation port frame 3 which forms a part of the frame, and the opening 3a The louver unit 4A is attached, and when a fire occurs, the so-called fuse damper mechanism melts the thermal fuse 5, and the closing plate 6 falls by its own weight to close the opening 3a.

A door 1B shown in FIG. 10 has a hollow structure similar to that of FIG. 9, and a louver unit 4B in which a louver blade 4a is rotatable is attached to an opening 3a. When a fire occurs, the temperature fuse 5 is blown. The spring 6 rotates the louver blade 4a to close the opening 3a.

A door 1C shown in FIG. 11 is provided with openings 3b and 3c on the lower surface and the back surface of the door 1C. In the event of a fire, the thermal fuse is melted and the spring 7 rotates the closing plate 8 to rotate the door 1C.
The opening 3b provided on the lower surface of the is closed (Japanese Utility Model Publication No. 4-49357).

Further, there is also known a door in which a Katanagare gallery is attached to the front side of the door, and an integrated register gallery unit having fireproof and ventilation functions is attached to the back side of the door. This register gallery unit is provided with a slide plate with multiple openings slidably on the register gallery main body with multiple vents.In case of fire, the thermal fuse melts and the tension springs slide the slide plates. Then, it is designed to block the ventilation holes of the register galleries.

[0007]

However, since the surface plate 2 of the above-mentioned hollow structure doors 1A, 1B, 1C is generally made of a vinyl chloride steel plate having a good aesthetics and a relatively low price, the cutting thereof is not required. 9 and 1 to hide the rust on the surface
The doors 1A and 1B shown in FIG. Therefore, since the mounting portion 4b of the louver unit 4, the screw 8 for mounting the mounting portion 4 and the thermal fuse 5 are exposed, not only is the design inferior, but the corners of the mounting portion 4b project to the outside, which poses a safety problem. Was becoming.

Further, in the door 1C shown in FIG. 11, the opening 3
Since b and 3c are provided on the lower surface and the back surface of the door 1C, the design is superior to the other doors 1A and 1B, but the ventilation amount is limited because the ventilation is performed from the lower surface of the door 1C. was there.

Further, in the door using the register louver unit, in addition to the above-mentioned problems in design and safety, in addition to the fact that the thickness of the slide plate that shields the air passage is only 1 mm, it can be used as a class A fire door. There was a problem that it could not fit.

Therefore, the present invention has been made in view of the above-mentioned circumstances, and is superior in design to a panel having a hollow structure, and can be improved in safety and fireproof property, and can respond to a required ventilation amount. The purpose of the present invention is to provide a fireproof ventilation structure that can be used.

[0011]

A fireproof ventilation structure according to claim 1, wherein the fireproof ventilation structure is applied to a panel having a hollow structure whose front and rear surfaces are constituted by a pair of surface plates separated by a frame, A plurality of ventilation openings are provided on the front surface plate, the edges of each ventilation opening are bent inward, and a single ventilation opening having a predetermined size is provided on the rear surface plate. , Located on the hollow side of the front surface plate, and in the event of a fire, the ventilation path formed between the ventilation hole of the front surface plate and the ventilation opening of the front surface plate is formed based on the melting of the temperature fuse. A first register louver unit that automatically closes and a ventilation opening provided in the rear surface plate and a ventilation opening provided in the rear surface plate when there is a fire. Based on the fusing of the thermal fuse to the air passage formed between Automatic closing, during normal, is characterized in that independently of the said self-closing based on a manual operation; and a second register louver unit capable opening and closing of the air passage.

The fireproof ventilation structure according to claim 2 is applied to a panel having a hollow structure in which the front and rear surfaces are constituted by a pair of surface plates separated by a frame body. A plurality of ventilation openings are provided in each of the ventilation openings, the edges of each ventilation opening are bent inward, and the ventilation openings are located on the hollow side of the front surface plate. The first resistor gallery unit that automatically closes the ventilation path formed between the ventilation opening provided on the first side and the second side by the melting of the temperature fuse, and is arranged on the hollow side of the rear surface plate to prevent a fire. Automatically closes the ventilation path formed between its own ventilation hole and the ventilation opening provided on the rear surface plate based on the melting of the temperature fuse. The ventilation passage can be opened and closed independently of automatic closing It is characterized in that it comprises a second register louver unit.

A fireproof ventilation structure according to a third aspect of the present invention is characterized in that the register louver unit disposed on the hollow side is brought into contact with the edge surface of the ventilation opening.

In the fireproof ventilation structure according to a fourth aspect of the present invention, the panel is a door.

[0015]

According to the fireproof ventilation structure of the first aspect, the edge portion of the ventilation opening provided in the front surface plate is bent inward, so that the edge surface of the edge portion becomes difficult to see from the front side. Further, since ventilation openings are provided in the front and rear surface plates, it becomes easy to cope with the required ventilation amount. Further, in the event of a fire, the ventilation passage is automatically closed by both the first and second register louver units.

According to the fireproof ventilation structure of the second aspect, the edges of the ventilation openings provided on the front and rear surface plates are bent inward, so that the end faces of the edges are difficult to see from the front side and the rear side. . Further, similarly to the structure according to claim 1, it becomes easy to cope with the required ventilation amount, and in the event of a fire, both the first and second register louver units can automatically close the ventilation passage.

According to the fireproof ventilation structure of the third aspect, the end surface of the ventilation opening is less likely to come into contact with the outside air by bringing the register louver unit into contact with the edge end surface of the ventilation opening.

According to the fireproof ventilation structure of the fourth aspect, by applying it to a door having a hollow structure, it is possible to form a ventilation path in the door and block flames, smoke, etc. at the time of fire, which is a design. It is possible to provide a door excellent in safety and improved in safety.

[0019]

Embodiments of the present invention will now be described in detail with reference to the drawings.

FIG. 1 is a front view showing an embodiment of a door having a fireproof ventilation structure according to the present invention as seen from the outside, FIG. 2 is a rear view as seen from the inside of this embodiment, and FIG. A-A
It is a line sectional view.

The door 10 according to the present embodiment includes a door fixing frame 11 attached to an opening of a doorway of a building, a parent door 13 attached to the door fixing frame 11 by a hinge 12 so as to be opened and closed, and a door fixing frame 11. And a child door 14 to which the fireproof ventilation structure of the present invention is applied. 1 and 2, 16 is a handle for opening and closing the parent door 13, and 17 is a mail box.

Like the parent door 13, the child door 14 has a pair of surface plates 1 separated by a frame for weight reduction.
It has a hollow structure in which the front and rear surfaces are constituted by 5, 15.

The surface plate 15 is made of a decorative steel plate such as a vinyl chloride steel plate, a galvanized steel plate, a wood grain steel plate, a leather embossed steel plate, a special embossed steel plate, or a coated steel plate. Unit 2
A plurality of ventilation openings 15a are respectively provided in the regions (0 and 20 'in this embodiment) to which 0 and 20' are attached, and the edges 15b of the ventilation openings 15a are bent inward. The position of the ventilation opening 15a is aligned with the vent hole 21a provided in the register gallery body 21 of the register gallery units 20 and 20 'described later. This allows ventilation openings 1
A ventilation path is formed between 5a and the ventilation port 21a.

Now, the register gallery unit 20 used in this embodiment will be described with reference to FIGS. 5 is a front view of the register gallery unit 20, FIG.
Is a rear view of the same, FIG. 7 is a rear view showing a manually shielded state, and FIG. 8 is a rear view showing a shielded state due to melting of the thermal fuse.

The register gallery unit 20 is functionally known as described in the section of the prior art, but in the present embodiment, as shown in FIG. The plate 22 and an upper rail 23 for slidably guiding the slide plate 22 as shown in FIG.
And the slide plate 2 which is attached to the main body 21 of the register gallery.
It also serves as a guide for 2, and the protrusions 24a, 2
Fuse mounting bracket 24 with 4b and slide plate 22
And a temperature fuse 26, one end of which is fixed to one protrusion 24a of the fuse mounting metal fitting 24, and a fuse receiving metal fitting 25 having a concave portion 25a. Connecting rod 27
And one end is fixed to the other projecting piece 24b of the fuse mounting bracket 24, and the other end is connected to the thermal fuse 26 via the connecting rod 27.
And a tension spring 28 attached thereto. The register louver main body 21 is made of, for example, a steel plate having a thickness of 0.8 mm, a plurality of vertically long ventilation holes 21a are arranged side by side in a lateral direction at a predetermined pitch, mounting holes 21b are provided at four corners, and the lower center will be described later. An elongated hole 21c for guiding the opening / closing knob 29 is provided. The slide plate 22 is made of, for example, a steel plate having a thickness of 1 mm, a vertically long opening 22a is provided at a position corresponding to a plurality of vent holes 21a provided in the register gallery body 21, and an opening / closing knob 29 is provided to the elongated hole 21c of the register gallery body 21. Protruding from.

Next, the operation of the register gallery unit 20 thus constructed will be described. Slide plate 2
2, at the ventilation position Po shown in FIGS. 5 and 6, the ventilation port 21a provided in the register louver main body 21 and the opening 22a provided in the slide plate 22 are aligned with each other to form a ventilation path. Slide the open / close knob 29 horizontally to slide the slide plate 2
When 2 is moved to the shielding position Pc shown in FIG. 5, as shown in FIG.
It is shielded by the slide plate 22. In the event of a fire, as shown in FIG. 8, the thermal fuse 26 is blown, one side of the fused thermal fuse 22 is pulled by the tension spring 28, and one side of the thermal fuse 22 is fused to the fuse receiving bracket 2.
5, the slide plate 22 moves to the blocking position Pc to block the ventilation path.

As shown in FIG. 3, the door 10 of the present embodiment includes a register gallery unit (second register gallery unit) 20 provided with the opening and closing knob 29 configured as described above and the indoor side surface plate 15. Attach it to the hollow side of
The opening / closing and opening conditions of the vent hole 21a can be manually adjusted from the indoor side, and a register louver unit (first register louver unit) 20 'having no opening / closing knob 29 is provided on the hollow side of the outdoor surface plate 15. The vent holes 21a are always opened on the outside of the room so that the air vents 21a of both register louver units 20 and 20 'can be shielded to completely close the vent passages in the event of a fire.

FIG. 4 is a sectional view showing another embodiment of the present invention. In the embodiment shown in FIG. 3, a plurality of ventilation openings 15a are provided in both surface plates 15, but in the present embodiment, as in FIG. 3, a plurality of ventilation openings 15a are provided in the surface plate 15 on the outdoor side.
Is provided and the end portion 15b is bent, and the surface plate 15 on the indoor side is provided.
All the vents 2 provided in the main body 21 of the register gallery
A single ventilation opening 15d having a size such that 1a is included therein is provided, and the register louver unit 20 having the opening / closing knob 29 is attached to the indoor surface plate 15 from the indoor side.

According to the above embodiment, the following effects can be obtained.

(1) Ventilation opening 15 provided on the surface plate 15
By bending the edge portion 15b of “a” inward, the edge portion end surface 15c becomes difficult to be seen from the outside, and it is not necessary to hide the edge portion end surface 15c by retrofitting a louver unit,
Good aesthetics. This makes it possible to provide ventilation and fire protection functions without impairing the external appearance design. In addition, as shown in FIG. 3, the outdoor register gallery unit 2
Not only 0 ', but also the indoor register gallery unit 20
By incorporating also, it becomes more excellent in terms of design.

(2) By bending the edge portion 15b of the ventilation opening 15a inward to form a gallery, the edge face 1
Since 5c is not exposed to the outside, the end face 15c does not hurt a hand or the like, so that the safety can be improved.

(3) Built-in register gallery unit 2
By changing the size of 0, 20 'and the range in which the ventilation opening 15a is provided, it becomes easy to cope with the required ventilation amount.

(4) At the time of fire, the ventilation passages are automatically closed by both the first and second register louver units 20 and 20 ', so that fire protection can be improved. Moreover, since the front and rear of the ventilation passage are closed by the slide plate 22 having a plate thickness of 1 mm, it is possible to adapt to a class A fire door.

(5) Since the register louver units 20 and 20 'attached to the outside and the inside of the room have the same structure except for the opening / closing knob 29, manufacturing, assembling and the like are facilitated.

In this embodiment, the case where the fireproof ventilation structure of the present invention is applied to the child door 14 has been described, but it may be applied to the parent door 13 or may be applied only to the parent door 13. . Further, in this embodiment, since the width of the ventilation opening 15a is narrower than the width of the ventilation port 21a of the register louver body 21, the edge end surface 15c of the ventilation opening 15a is completely abutted on the register gallery body 21. However, the width of the ventilation opening 15a may be made wider than the width of the vent hole 21a so that the edge end surface 15c is brought into complete contact with the register gallery body 21. This makes it difficult for the end surface 15c of the ventilation opening 15a to come into contact with the outside air.
Even if a decorative steel plate such as a vinyl chloride steel plate is used, it is possible to suppress the generation of rust on the cut surface, and it is possible to reinforce and protect the edge portion 15b. Furthermore, in this embodiment, the case where the fireproof ventilation structure is applied to the door has been described, but it may be applied to a panel that partitions a space. In this case, by simply combining a panel with a fireproof ventilation structure with a plurality of panels and doors that do not have a fireproof ventilation structure, the partitioned room will have good ventilation and fireproofness. be able to.

[0036]

According to the present invention described in detail above, the following effects can be obtained.

According to the first aspect of the present invention, since the edge of the ventilation opening provided on the front surface plate is bent inward, the end face of the edge becomes difficult to see from the front side. It is not necessary to hide the edge face by retrofitting,
Good aesthetics on the front side. Further, since the end surface of the edge portion is not exposed to the outside, the end surface does not damage a hand or the like, and thus safety can be improved. Further, since ventilation openings are provided in the front and rear surface plates, it becomes easy to cope with the required ventilation amount. Further, in the event of a fire, the ventilation passage is automatically closed by both the first and second register louver units, so the fire resistance can be improved.

According to the second aspect of the present invention, since the edges of the ventilation openings provided on the front and rear surface plates are bent inward, not only the aesthetic feeling on the front side but also on the rear side is improved and safety is improved. Can be improved. Further, like the invention according to claim 1, it becomes easy to cope with the required ventilation amount, and the fireproof property can be improved.

According to the third aspect of the present invention, since the register louver unit is in contact with the end surface of the ventilation opening, the end surface of the ventilation opening is less likely to come into contact with the outside air.
Even if a decorative steel plate such as a vinyl chloride steel plate is used for the surface plate, it is possible to suppress the generation of rust on the cut surface.

According to the invention of claim 4, by applying to a door having a hollow structure, it is possible to improve the design, to improve safety and fire protection, and to meet the required ventilation volume. A door having a ventilation structure can be provided.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a door having a fireproof ventilation structure of the present invention.

FIG. 2 is a rear view of the door shown in FIG.

3 is a sectional view taken along line AA in FIG.

FIG. 4 is a sectional view showing another embodiment.

FIG. 5 is a front view of the register gallery unit.

FIG. 6 is a rear view of the register gallery unit.

FIG. 7 is a rear view showing a state where the register louver unit is manually shielded.

FIG. 8 is a back view showing a shielded state due to melting of a thermal fuse of a register gallery unit

FIG. 9 is a cross-sectional view of a door having a conventional fireproof ventilation structure.

FIG. 10 is a cross-sectional view of a door having a conventional fireproof ventilation structure.

FIG. 11 is a cross-sectional view of a door having a conventional fireproof ventilation structure.

[Explanation of symbols]

10 Door 15 Surface Plate (Panel) 15a Ventilation Opening 15b Ventilation Opening Edge 15c Ventilation Opening Edge End Face 20 Register Glitter Unit (Second Register Glitter Unit) 20 'Register Glitter Unit (First Register Glitter Unit) Unit) 21a Vent 26 Thermal fuse

Claims (4)

[Claims] 1. A fireproof ventilation structure applied to a panel having a hollow structure in which front and rear surfaces are constituted by a pair of surface plates separated by a frame, wherein a plurality of ventilation openings are provided in the front surface plate. The edge of each ventilation opening is bent inward, and a single ventilation opening having a predetermined size is provided on the rear surface plate, and it is arranged on the hollow side of the front surface plate to prevent fire. At the time, the first register gallery unit that automatically closes the ventilation path formed between its own ventilation hole and the ventilation opening provided on the front surface plate based on the melting of the temperature fuse, and the rear side It is placed near the ventilation opening provided on the surface plate, and in the event of a fire, the ventilation passage formed between the ventilation hole of the self and the ventilation opening provided on the rear surface plate is melted by a thermal fuse. Automatically closes based on the A fireproof ventilation structure comprising a second register gallery unit capable of opening and closing the ventilation path independently of the automatic closing. 2. A fireproof ventilation structure applied to a panel having a hollow structure in which front and rear surfaces are constituted by a pair of surface plates separated by a frame body, wherein a plurality of ventilation openings are provided in both of the front and rear surface plates. Provided, the edges of each ventilation opening are bent inward, and they are placed on the hollow side of the front surface plate on the front side.In case of a fire, the ventilation hole of the self and the ventilation opening provided on the front surface plate The first resistor gallery unit that automatically closes the ventilation path formed between them based on the fusing of the thermal fuse, and is arranged on the hollow side of the rear surface plate. The air passage formed between the ventilation opening provided on the side surface plate is automatically closed based on the melting of the temperature fuse, and in a normal state, it is independent of the automatic closing based on a manual operation. The second register galleries unit that can open and close the air passage A fireproof ventilation structure characterized by comprising: 3. The fire protection ventilation structure according to claim 1, wherein the register louver unit disposed on the hollow side is brought into contact with an edge end surface of the ventilation opening. 4. The fire protection ventilation structure according to claim 1, wherein the panel is a door.