JP6923483B2 - Fire protection fittings - Google Patents

Description

The present invention relates to a fire protection fitting arranged in a building opening.

As a fire protection fitting to be arranged at the opening of a building, a fire protection fitting in which a reinforcing material is arranged on a shoji stile is known.

Japanese Patent No. 6157842

In the fitting of Patent Document 1, the strength in the event of a fire can be increased by arranging the reinforcing material in the hollow portion of the vertical stile of the shoji, but the structure of the reinforcing material and the fixing structure to the stile are complicated. The construction was complicated.

In view of the above circumstances, it is an object of the present invention to provide a fire protection fitting capable of easily reinforcing a stile of a shoji screen and improving fire protection performance.

In one embodiment of the present invention, the end surface of the horizontal stile is in contact with the inner peripheral surface of the stile, and the stile is assembled from the lower position of the tapping hole for connecting to the upper stile. Reinforcing material is arranged over the lower position of the tapping hole for connection, and the reinforcing material is co-tightened by a screw whose lower part is inserted into the tapping hole of the vertical stile, and expands when heated to glass of the vertical stile. It is a fireproof fitting provided with an expansion material that closes the hole leading to the frontage.

According to one embodiment of the present invention, it is possible to provide a fire protection fitting that can easily reinforce the stile of the shoji and improve the fire protection performance.

It is an inside view of the fire protection fitting which concerns on one Embodiment of this invention. It is a vertical sectional view of the fire protection fitting which concerns on one Embodiment of this invention. It is sectional drawing of the fire protection fitting which concerns on one Embodiment of this invention. It is a figure of the reinforcing material of the fire protection fitting which concerns on one Embodiment of this invention, (a) is a plan view, (b) is a front view from the arrow x direction of (a), (c) is (a). It is a side view from the arrow y direction. It is a figure of the outer mating stile to which the reinforcing material of the fire protection fitting which concerns on one Embodiment of this invention is attached, (a) is the cross-sectional view, (b) is the arrow z direction (panel frontage side of (a). ). It is an enlarged perspective view of the joint portion of the combined stile and the lower stile of the fire protection fitting which concerns on one Embodiment of this invention. It is a figure of the detachment prevention part of the fire protection fitting which concerns on one Embodiment of this invention, (a) is a side view, (b) is a plan view, (c) is a vertical cross section in a state of being attached to an upper frame. It is a figure, (d) is the figure which looked at the state attached to the upper frame from the bottom.

The fire protection fitting according to the embodiment of the present invention will be described with reference to the drawings.
(Overall composition)
As shown in FIGS. 1 to 3, in the fire protection fitting of the present embodiment, the upper frame 21, the lower frame 12, and the upper stile 21 and the upper stile 21 are formed on the inner circumference of the frame body 1 in which the left and right vertical frames 13 and 14 are assembled in four circumferences. 31 It is configured as a sliding fitting that can be arranged freely.
A crescent 7 is provided on the left stile (combination stile) 23 of the shoji screen 2.

(Structure of upper frame)
The upper frame 11 constituting the frame 1 has an upper frame main body 11a arranged on the inner peripheral surface of the opening of the building frame and an indoor side finding extending below the indoor side of the upper frame main body 11a. The wall portion 11b, the central finding wall portion 11c extending downward from the vicinity of the center in the prospective direction of the upper frame main body 11a, and the outdoor finding extending downward from the outdoor side of the upper frame main body 11a. It has an outer upper rail portion 11e extending downward from between the wall 11d, the central finding wall portion 11c, and the outdoor finding wall 11d.

Then, the upper part of the inner sash 2 is guided between the indoor side finding wall portion 11b and the central found wall part 11c, and the upper part of the outer sash 3 is guided to the outer upper rail part 11e. Airtight materials that come into contact with the indoor side surfaces of the upper stile 21 of the inner sash 2 and the upper stile 31 of the outer sash 3 are arranged on the outdoor side surfaces of the wall portion 11b and the central finding wall portion 11c, respectively.
Further, a windbreak member is attached between the central finding wall portion 11c and the outer upper rail portion 11e, at a position above the mating portion of the inner and outer sashes 2 and 3.

Further, a heat expansion member 62 is arranged between the indoor side finding wall portion 11b and the central finding wall portion 11c of the upper frame 11 and at a position near the right end portion.
As shown in FIG. 7, the heat expansion members 62 and 62 are formed in a short length having a length of a predetermined dimension from the right end portion of the upper frame 11, and the left end portion is held by the retaining component 61.

The retaining component 61 is made of a metal material such as an aluminum alloy, and has an upper wall portion 61a that suppresses the heat expansion material 62, an indoor side locking portion 61b that extends downward from the indoor side end of the upper wall portion 61a, and the like. It has an outdoor locking portion 61c formed on the outdoor side of the upper wall portion 61a, and is formed of a piece member having a substantially L-shaped cross section.
Then, with respect to the upper frame 11 to which the heat expansion material 62 is attached by adhesion or the like, first, the outdoor locking portion 61c of the retaining component 61 is placed in the locking groove 11g formed in the upper portion of the central finding wall portion 11c. By inserting and then pushing the indoor side of the retaining component 61 from below, the indoor side locking portion 61b is fitted into the upper surface 11f of the airtight material mounting portion of the indoor side finding wall portion 11b of the upper frame 11 and heated. It is attached with the expansion material 62 suppressed.

As described above, since the upper frame 11 is provided with the retaining component 61 so as to suppress the end portion of the arranged heat-expanding material 62, the heat-expanding material 62 may peel off from the upper frame due to aged deterioration or the like. Can be prevented.
The retaining component 61 may be formed with screw holes 61d or the like, if necessary, and may be fixed by fixing means b3 such as screws.

(Structure of lower frame)
The lower frame 12 constituting the frame 1 includes a lower frame main body portion 12a arranged on the inner peripheral surface of the frame opening of the building and an indoor side finding wall portion 12b erected from the indoor side of the lower frame main body portion 12a. The inner lower rail portion 12c provided on the indoor side of the lower frame main body portion 12a, the airtight material holding piece 12d extending from the lower portion of the inner lower rail portion 12c to the outdoor side, and the lower frame main body portion 12a. It has an outer lower rail portion 12e provided on the outdoor side.

Then, the door roller 26 arranged on the lower stile 22 of the inner sash 2 is guided to the inner lower rail portion 12c, and the door roller 36 arranged on the lower stile 32 of the outer sash 3 is guided to the outer lower rail portion 12e. An airtight material that abuts on the indoor side surface of the lower stile 22 of the inner sash 2 and the lower stile 32 of the outer sash 3 is arranged on the outdoor side of the indoor side finding wall 12b and the tip of the airtight material holding piece 12d, respectively. There is.

The left vertical frame 13 constituting the frame 1 includes a left vertical frame main body 13a arranged on the inner peripheral surface of the opening of the building frame and an indoor side view provided on the inner peripheral surface of the left vertical frame main body 13a. It has an attached wall 13b, a central finding wall 13c, and an outdoor finding wall 13d. It forms a shoji receiving part where is located.
A protruding piece protruding from the inner circumference is formed in the shoji receiving portion, and when the inner and outer shoji 2 and 3 are closed, the pulling block f provided on the door end stile 33 of the outer shoji 3 comes into contact with the shoji receiving portion. The door end stile 33 is pulled toward the indoor side, and the indoor side surface of the left stile 33 of the outer shoji 3 is brought into close contact with the airtight material provided on the outdoor side surface of the central finding wall 13c.

Similarly, the right vertical frame 14 constituting the frame 1 is also provided on the inner peripheral surface of the right vertical frame main body 14a and the right vertical frame main body 14a arranged on the inner peripheral surface of the building frame opening. It has an indoor side finding wall 14b, a central finding wall 14c, and an outdoor finding wall 14d. It forms a shoji receiving portion where the tip of the tip 24 is located.

(Internal and external shoji)
Since the internal sash 2 and the external sash 3 have almost the same configurations, the configurations of the internal and external sashes 2 and 3 will be described here mainly using the internal sash 2 and the external sash 3 will be described. Only the part different from the internal shoji 2 will be described.

Each stile material constituting the inner sash 2 is formed by a stile material main body portion having a hollow portion and a panel frontage formed on the inner circumference of the stile material main body portion to hold the panel body 25.
For example, as shown in FIG. 2, the upper stile 21 constituting the inner sash 2 includes an upper stile main body 21a having a hollow portion and a panel frontage 21b for holding the panel body 25, and constitutes the inner sash 2. The lower stile 22 is provided with a lower stile main body portion 22a having a hollow portion and a panel frontage 22b for holding the panel body 25.

Further, the right stile (door end stile) 24 constituting the internal shoji 2 includes a right stile main body portion 24a having a hollow portion and a panel frontage 24b for holding the panel body 25.
Further, the left vertical stile (combination stile) 23 constituting the internal shoji 2 has a panel frontage 23b for holding the panel body 25 and a left vertical stile having a hollow portion 23c arranged on the outdoor side on the outer peripheral side of the panel frontage 23b. The stile main body 23a is provided.
In addition, on the outdoor surface of the left stile 23, an airtight material for airtightening between the outer sash 3 and the right stile (combination stile) 34 and a smoke return piece are provided.

Then, the inner sash 2 is assembled by a fixing means such as a tapping screw, with the end faces of the upper and lower stiles (horizontal stiles) 21 and 22 in contact with the inner peripheral surfaces of the left and right vertical stiles 23 and 24. There is.

On the other hand, in the outer shoji 3, the right stile main body 34a of the right stile (combination stile) 34 is composed of only a hollow portion 34c arranged on the indoor side on the outer peripheral side of the panel frontage 34b. , It is different from the internal shoji 2. A smoke return piece is formed on the indoor side wall of the right stile main body 34a, and a holder capable of holding, for example, a heated foaming material is provided. Since the other configurations are the same as those of the internal shoji 2, the description here will be omitted.

(Fireproof structure with reinforcing material)
In the fire protection fitting of the present embodiment, as shown in FIG. 3, the left stile main body 23a of the left stile (combination stile) 23 of the inner sash 2 and the right stile (combination stile) 34 of the outer sash 3 Fire protection measures are taken by arranging the reinforcing material 5 and the heat expanding material 6 on the right stile main body portion 34a of the above. Hereinafter, fire prevention measures using the reinforcing material 5 and the heat-expanding material 6 will be described using the external shoji screen 3.

As shown in FIG. 4, the reinforcing member 5 is formed of a long member having a substantially U-shaped cross section composed of a bottom wall 51 and left and right wall 52, 53, and a notch 53a is formed in a lower portion of the right wall 53. Is formed.
On the other hand, two upper and lower screw holes 52a and 52a are formed in the lower portion of the left side wall 52, and a door roller adjusting hole 52b is formed between the upper and lower screw holes 52a and 52a. Further, a plurality of screw holes 52c are formed in the upper portion of the left side wall 52.

Further, it is formed above the screw hole 52a formed in the lower portion of the left side wall 52 so as to correspond to an isobaric hole or the like formed so as to communicate with the panel frontage 34b of the right stile 34 of the outer sash 3. A through hole 52d is formed.
Then, on the bottom wall 51 of the reinforcing material 5, a heat-expanding material 6 that foams by heating is arranged from an upper position of the through hole 52d formed in the left side wall 52 to the lower end of the reinforcing material 5.

Next, the fixing of the reinforcing material 5 to the vertical stile will be described.
As shown in FIG. 5, the reinforcing material 5 has a tapping hole 34d for connecting to the upper stile 31 so that the U-shaped opening faces the indoor side in the hollow portion 34c of the stile (left stile) 34. It is arranged from a position below 34d to a position below the tapping holes 34e and 34e for connecting to the lower stile 32. The upper end position of the reinforcing member 5 is preferably a position above the vertical stile, and may reach above the tapping holes 34d and 34d formed in the upper portion of the vertical stile.

The reinforcing member 5 arranged in the hollow portion 34c is arranged so that the left side wall 52 abuts on the inner peripheral side wall surface of the hollow portion 34c, and in the screw hole 52a formed in the lower portion, the right stile 34 and the lower side are in contact with each other. It is fastened and fixed together by a tapping screw b1 that connects to the stile 32.
As shown in FIG. 6, the tapping screw b1 is inserted from the outer peripheral side of the right stile 34 through the through hole 34h formed on the outer peripheral surface of the right stile main body 34a, and is inserted into the screw hole 52a of the reinforcing material 5 and the right. It is screwed into the tapping hole 34e of the vertical stile 34 and the tapping hole of the lower stile 32.
As a result, the lower stile 32 and the right stile 34 are connected, and the reinforcing material 5 is fixed to the right stile 34 and the lower stile 32.
Since the notch 53a is formed in the lower portion of the right side wall 53 of the reinforcing material 5, the reinforcing material 5 can be jointly tightened with the tapping screw b1 while being U-shaped.

On the other hand, as shown in FIG. 3, the upper part of the reinforcing member 5 is fixed to the right stile 34 by the screw b2 inserted from the panel frontage 34b side of the right stile 34 in the screw hole 52c formed in the upper portion. ing.
The position of the through hole 52d of the reinforcing member 5 arranged in the hollow portion 34c coincides with the position of the isobaric hole 34g formed in the inner peripheral wall of the hollow portion 34c of the right stile 34, and is equal pressure. It does not interfere with the isobaric effect of the holes 34g.

In the above-mentioned fire protection fitting of the present embodiment, since the reinforcing material 5 is fixed in the hollow portion 34c of the right stile 34 along the longitudinal direction, the portion where the upper stile 31 of the right stile 34 is connected is connected. It can be reinforced over almost the entire length from the lower position to the lower end.
Then, since the reinforcing material 5 is fastened and fixed together by the tapping screw b1 connecting the right vertical stile 34 and the lower stile 32 at least in the lower portion, the movement of the lower stile 32 in the prospective direction is the same by the tapping screw b1. It is regulated by the tightened reinforcing material 5, and it is possible to prevent the upper portion of the lower stile 32 from falling to the outdoor side due to flame or heat at the time of fire.

Further, in the event of a fire, the heat expansion material 6 arranged on the bottom wall 51 of the reinforcing material 5 can close holes such as isobaric holes leading to the panel frontage 34b formed in the right stile 34, so that the pressure is equal. Fire protection performance can be improved by preventing communication between indoors and outdoors through holes and the like.
Further, since the U-shaped opening of the reinforcing material 5 is arranged toward the indoor side, the reinforcing material 5 is not affected by the positions of the screw holes and the door roller adjusting holes formed in the right stile 34, and is at a desired position. The expansion material 6 having a desired size can be arranged in the right space, and the bottom wall 51 on which the heat expansion material 6 is arranged is located on the outdoor surface in the right stile 34 to prevent a fire from the outdoor side. It can be heated quickly and foamed in the early stages of a fire.

Further, since the position of the reinforcing material 5 extending in the longitudinal direction arranged in the right vertical stile 34 is determined by tightening together with the tapping hole, the reinforcing material 5 can be easily positioned and the expanding material 6 is the reinforcing material. By attaching to 5, the means for arranging the expansion member 6 with respect to the right stile 34 is not required, and the expansion member 6 can be easily and surely positioned.

The improvement of strength and fire resistance by the reinforcing material and the heat expansion material of the vertical stile has been described above using the right stile 34 of the outer sash 3, but the same applies to the inner sash 2.
In the internal shoji 2, the side wall of the reinforcing material 5 can also be used as a back plate when the crescent 7 provided on the outer peripheral surface of the left vertical stile (combination stile) 23 is attached. On the other hand, the crescent 7 can be firmly fixed.

In the fire protection fitting of the present embodiment, tapping screws b1 for connecting the lower stile 32 are provided at two places on the upper and lower sides, which is preferable in order to prevent the lower stile 32 from collapsing. It may be fixed in one place, and in that case, it is preferable that it is connected to the upper part of the lower stile 32.
Further, in the fire protection fitting of the present embodiment, a heat expansion material may be appropriately arranged as needed.
It goes without saying that the above embodiments do not limit the invention described in the claims and are treated as examples.

1: Frame body 2: Internal sash 3: External sash 31: Upper stile 32: Lower stile 34: Right stile 34a: Right stile body 34b: Panel frontage 34c: Hollow part 34d: Tapping hole 34e: Tapping hole 34g: Isobaric hole 34h: Through hole 5: Reinforcing material 51: Bottom wall 52: Left side wall 52a: Screw hole 52b: Door roller adjustment hole 52c: Screw hole 52d: Through hole 53: Right side wall 53a: Notch 6: Heat expansion material 7 : Crescent b1: Tapping screw

Claims (1)

The end face of the horizontal stile is in contact with the inner peripheral surface of the stile, and the stile is assembled.
In the vertical stile, reinforcements are arranged from the lower position of the tapping hole for connecting to the upper stile to the lower position of the tapping hole for connecting to the lower stile.
The reinforcing material is a fireproof fitting that is provided with an expansion material whose lower part is fastened together with screws that are inserted into the tapping holes of the vertical stile, and which expands when heated and closes the hole leading to the panel frontage of the vertical stile.

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