JP5752027B2 - Joinery - Google Patents

Description

  The present invention relates to a joinery having improved fire resistance.

As shown in Non-Patent Document 1, the door provided at the doorway has a gap between the expected surface on the door tip side of the door and the inner peripheral side surface of the frame, Smoke return is provided on the outdoor side so as to protrude toward the door end, and the gap is hidden by smoke return. The frame is provided with a tight material on the inner peripheral side, and the tight material is brought into contact with the indoor side surface of the door to ensure water-tightness and airtightness.
When a fire breaks out, the door tends to extend in the vertical direction due to the heat of the fire, so that the heated surface side is warped so that it swells. Since the middle part in the up and down direction is engaged with the frame by the lock, the warp increases at the upper and lower parts on the door end side. When the door warps like that, the upper and lower parts of the door end move in the expected direction and move away from the fence frame, so that the gap with the fence frame widens and cannot be covered with smoke return. There is a risk of smoke entering and spreading fire.

  As a measure to prevent the spread of fire from the gap between the door and the frame, as described in Patent Document 1, it is possible to paste a refractory material that foams in response to the heat of the fire around the door or the inner periphery of the frame. Conceivable. However, even if a heat-foaming refractory material is applied to the gap between the door and the frame, relatively cold air flows into the combustion side from the lower gap during a fire. The refractory material affixed to the lower side is difficult to foam and it is difficult to close the gap at an early stage.

JP-A-8-303133 Catalog issued by Sankyo Tateyama Aluminum Co., Ltd. “Madio JM General Catalog” (Catalog No. STJ0560A C.10.06-200), first edition, June 2010, p. 970-973

  The present invention has been made in view of the circumstances described above, and an object of the present invention is to provide a joinery that can prevent the spread of fire from the gap between the door tips of the door and the frame.

In order to achieve the above object, a joinery according to the first aspect of the present invention includes a frame, a door supported by the frame so as to be freely opened and closed, and a thermally expandable refractory material foamed by the heat of a fire. There is smoke return on the outdoor side of the tip, and the frame has a protruding part facing the smoke return at a position near the outdoor side of the inner peripheral side expected surface of the frame on the door end side, The material is interposed between the prospective surfaces of the door and the fence frame, and the protruding portion is provided along the longitudinal direction at the lower part of the fence frame on the door end side .

The joinery according to the invention of claim 2 includes a frame, a door supported by the frame so as to be freely opened and closed, and a thermally expandable refractory material that is foamed by the heat of a fire, and the door smokes on the outdoor side of the door tip. The frame has a smoke-repellent projection for concealing the gap between the frame and the door when the door is warped, at a position closer to the outdoor side of the inner peripheral side expected surface of the door frame. The heat-expandable refractory material that is opposed to each other is interposed between the expected surfaces of the door and the frame.

In the joinery according to the first aspect of the present invention, since the thermally expandable refractory material foamed by the heat of the fire is interposed between the expected surfaces of the door and the fence frame, the thermally expandable refractory material foamed at the time of the fire is In addition to closing the gap between the frames, the door has smoke return on the outside of the door toe, and the frame smokes the protrusion at a position closer to the outside of the inner peripheral side of the door frame. Since the protrusion is provided along the longitudinal direction at the lower part of the door frame on the door end side, the gap between the frame and the wall tends to widen due to the warp of the door, and thermal expansion occurs early in the fire Even in the lower gap where the refractory refractory material is difficult to foam, by concealing the gap between the smoke return of the door and the protruding part of the eaves frame, it is possible to block the intrusion of flame, smoke, etc. and prevent the spread of fire. Moreover, since the smoke return of a door and the protrusion part of a fence frame can suppress that cold air flows in into a combustion side, it can accelerate | stimulate that a thermally expansible refractory material foams.

Since the thermally expandable refractory material foamed by the heat of the fire is interposed between the door and the expected surface of the fence frame, the joinery according to the invention of claim 2 is provided with the thermally expandable refractory material foamed at the time of fire. In addition to closing the gap between the frames, the door has smoke return on the outdoor side of the door tip, and the frame warps at a position near the outdoor side of the inner peripheral side of the door frame on the door side. Because it has a protruding part for concealing the gap between the frame and the door facing the smoke return, the gap between the frame and the frame tends to widen due to the warp of the door, and a heat-expandable refractory material early in the fire Even in the lower gap where foam is difficult to foam, by concealing the gap between the smoke return of the door and the protruding part of the eaves frame, it is possible to block the intrusion of flames and smoke and prevent the spread of fire. Moreover, since the smoke return of a door and the protrusion part of a fence frame can suppress that cold air flows in into a combustion side, it can accelerate | stimulate that a thermally expansible refractory material foams.

It is AA sectional drawing of FIG. It is BB sectional drawing of FIG. It is CC sectional drawing of FIG. It is a room side front view of the doorway door which concerns on one Embodiment of the fitting of this invention. It is an inner peripheral side view of the eaves frame on the door end side. It is a cross-sectional view of the door door end side lower part at the time of a fire, (a) shows the initial state of a fire, (b) shows the state when time has passed since the occurrence of the fire. It is a longitudinal cross-sectional view of the door lower part at the time of a fire.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1-5 has shown the doorway door which is one Embodiment of the fitting of this invention. As shown in FIGS. 2 to 4, the door includes a frame 1 attached to the housing opening, and a door 2 attached to the frame 1 by a hinge 51 so as to be opened and closed.
The frame 1 is constituted by an upper frame 3, a lower frame 4, and left and right eaves frames 5, 6 having a four-round frame. The door 2 is constructed by assembling an upper rod 7, a lower rod 8, a hanging rod 9 and a door rod 10 with a glass panel (multi-layer glass) 11 inside. As shown in FIG. 4, the door 2 is provided with a handle 12 and two upper and lower locks 13 a and 13 b at an intermediate portion in the vertical direction of the door rod 10. A door closer 14 is provided between the upper frame 3 and the upper collar 7.
Further, fuse units 15 are provided on the upper and lower indoor side surfaces of the door toe 10. As shown in FIG. 1, the fuse unit 15 includes a dead bolt 17 in a case 16 that can be projected and retracted from the door end side. The dead bolt 17 is urged in a protruding direction by a spring 18 and is normally easily melted by heat. It is held in the case 16 by a fuse member 19 formed of a material. In the event of a fire, as shown in FIG. 6, as the fuse member 19 is melted by the heat of the fire, the dead bolt 17 protrudes toward the door end side, and the dead bolt 17 is locked to the frame 5 so that the door 2 is The upper part and the lower part on the door end side are deformed and are prevented from separating from the frame 5.

As shown in FIG. 2, the upper frame 3 is formed of an aluminum alloy extruded shape, and a resin cover 20 and a resin angle 21 are engaged and attached to the indoor side. The upper frame 3 is formed with a tight material holder 22 projecting toward the inner peripheral side at a position closer to the indoor side, and a nonflammable tight material 23 made of sintered chloroprene rubber is attached to the tight material holder 22 toward the outdoor side. The indoor side surface of the upper edge of the door 2 is in contact with the noncombustible tight material 23.
A thermally expandable refractory material 24 that foams and expands in response to heat is provided along the longitudinal direction at a position on the outer peripheral side of the nonflammable tight material 23 on the inner peripheral side expected surface 3a of the upper frame 3. Such a heat-expandable refractory material 24 can be appropriately selected from commercially available products, and for example, trade name “Fibrok” manufactured by Sekisui Chemical Co., Ltd. can be used. This is an organic refractory material utilizing plastic technology, and is a thin sheet in a normal state. When heated to 200 ° C. or more, it expands 5 to 40 times in the thickness direction to form a heat insulating layer. It does not disappear in the event of a fire, and no harmful gases are generated. Further, since the fibro has an adhesive layer with release paper on one side, it can be easily attached by peeling off the release paper.

  The lower frame 4 is formed of an extruded shape of an aluminum alloy, and a resin cover 20 and a resin angle 21 are engaged and attached to the indoor side. The lower frame 4 is formed such that a tight material holder 22 protrudes toward the inner peripheral side at a position closer to the indoor side, and a nonflammable tight material 23 is attached to the tight material holder 22 toward the outdoor side. The indoor side surface of the lower edge of the door 2 is in contact with the door. A thermally expandable refractory material 24 that foams and expands in response to heat is provided along the longitudinal direction at a position on the outer peripheral side of the nonflammable tight material 23 on the inner peripheral side expected surface 4a of the lower frame 4.

As shown in FIG. 3, the left and right saddle frames 5 and 6 are formed of an extruded shape of an aluminum alloy, and a resin angle 21 is engaged and attached to the indoor side. The frame frames 5 and 6 are formed so that the tight material holder 22 protrudes toward the inner peripheral side at a position closer to the indoor side, and the nonflammable tight material 23 is attached to the tight material holder 22 toward the outdoor side. The interior side surface of the side edge of the door 2 is in contact with the material 23. A thermally expandable refractory material 24 that foams and expands in response to heat is provided along the longitudinal direction at positions on the outer peripheral side of the incombustible tight material 23 of the inner peripheral side expected surfaces 5a and 6a of the frame frames 5 and 6. It is.
As described above, the frame 1 covers the indoor side with the resin cover 20 and the resin angle 21, thereby preventing condensation on the indoor side and improving heat insulation. Further, the frame 1 is provided with a thermally expandable refractory material 24 on the inner peripheral side prospective surfaces 3a, 4a, 5a, 6a so as to surround the periphery of the four-round incombustible tight material 23 that abuts the indoor side surface of the door 2. .

  As shown in FIGS. 1 and 5, the door frame 5 is provided with lock holders 25a and 25b for the upper and lower locks 13a and 13b on the inner peripheral side anticipated surface 5a, from the lower lock holder 25b. A protrusion 26 is provided along the longitudinal direction on the inner peripheral side expected surface 5 a in the range up to the upper surface of the lower frame 4. The protruding portion 26 is attached to a position closer to the outdoor side of the inner peripheral side anticipated surface 5a of the frame 5 so that the outdoor side surface is substantially flush with the outdoor side surface of the frame 5, and is formed on the door toe 10. It arrange | positions so that the smoke return 27 may be opposed. The protruding portion 26 fixes the aluminum grooved frame 28 to the frame 5 with screws 29, attaches the eye plate 30 to the opening of the grooved frame 28 to conceal the screws 29, and attaches the fore edge cap 31 to the upper end. It becomes the composition.

As shown in FIGS. 2 and 3, the upper rod 7, the lower rod 8, the hanging rod 9, and the door rod 10 of the door 2 are made of a metal rod 32 made of an aluminum alloy extruded shape, and a metal rod 32. And a resin cover 33 engaged and attached to the side surface of the room. The glass trough 32 and the resin cover 33 constitute a glass groove 34 opened on the inner peripheral side. The end is fitted. The Grechan 35 is made of sintered silicon rubber and does not burn even in the event of a fire.
Inside the glass groove 34 of each of the flanges 7, 8, 9, and 10, a glass front reinforcing member 36 formed by bending a stainless steel thin plate into a groove shape so as to surround the outside of the Grechan 35 extends over the entire length of the glass groove 34. It is arranged and fixed to the metal cage 32 with screws 37. Further, a thermally expandable refractory material 38 is provided along the longitudinal direction at a position closer to the indoor side between the outer side surface of the Grechan 35 and the inner side surface (both expected surfaces) of the glass front reinforcing member 36.
In the hollow portion of the metal cage 32, a U-shaped cross-section reinforcing member 39 is disposed over almost the entire length in the longitudinal direction, and is fixed with screws 40 at a predetermined pitch in the longitudinal direction. The reinforcing member 39 is formed by bending a high corrosion-resistant hot-dip galvanized steel sheet. By providing the reinforcing member 39 in this way, it is possible to prevent thermal expansion and deflection of each of the rods 7, 8, 9, and 10 during a fire.

  Further, as shown in FIG. 2, the upper rod 7 and the lower rod 8 have metal auxiliary members 41 attached to the outer peripheral side expected surfaces 7 a and 8 a along the longitudinal direction. The metal auxiliary material 41 is formed by bending a stainless steel plate, and extends on the fixing portion 43 fixed to the metal rod 32 with screws 42 and the indoor-side finding surface 33 a of the resin cover 33. The extending portion 44 is provided, and the incombustible tight material 23 of the upper frame 3 and the lower frame 4 is in contact with the extending portion 44. On the prospective surface of the metal auxiliary material 41, thermally expandable refractory materials 45a, 45b, 45c are provided along the longitudinal direction.

  As shown in FIG. 1, the door end fence 10 is provided with a smoke return 27 projecting to the door end side on the outdoor side surface, and the smoke return 27 allows the space between the fence frame 5 and the expected surfaces 5 a and 10 a of the door end fence 10. The gap is blocked. A nonflammable tight material 46 is provided at the tip of the smoke return 27, and the tip of the nonflammable tight 46 is in contact with the outdoor side surface of the frame 5. A heat-expandable refractory material 47 is provided on the indoor side surface of the smoke return 27 along the longitudinal direction. The door-end fence 10 has an extended portion 48 that extends to the outer peripheral side of the resin cover 33 on the metal cage 32, and the incombustible tight material 23 of the cage frame 5 is in contact with the extended portion 48. A heat-expandable refractory material 49 is provided along the longitudinal direction at a position closer to the indoor side of the outer peripheral side expected surface 10a of the door-end fence 10. As shown in FIG. 3, a heat-expandable refractory material 49 is also provided along the longitudinal direction on the outer peripheral side expected surface 9 a of the suspension base 9.

When a fire occurs, the door 2 tends to extend in the vertical direction due to the heat of the fire, so that the heated surface side is warped so that the heated side swells, and the suspending side of the door 2 is restrained by the hinge frame 51 with a hinge 51. Since the middle part in the vertical direction on the door tip side is engaged with the frame 5 by the locks 13a and 13b, warpage is large at the upper and lower sides on the door side, and a gap is opened between the frame 5 and the door frame 5. Cheap. Hot air on the combustion side flows out from the upper gap, and relatively cool air flows into the combustion side from the lower gap, among the gaps between the door rod 10 and the frame 5. The upper gap is blocked by the early expansion and expansion of the thermally expandable refractory material 49 provided on the prospective surface 10a of the door toe 10 because hot air on the combustion side flows out. The heat-expandable refractory material 49 is unlikely to foam because relatively cool air flows into the combustion side. As shown in FIG. 6A, the door 26 has a protruding portion 26 at a position closer to the outdoor side of the inner peripheral side expected surface 5 a of the collar frame 5 over a range from the lower lock receiver 25 b to the upper surface of the lower frame 4. Is provided so as to face the smoke return 27, so that in the initial stage of the fire before the heat-expandable refractory material 49 is foamed, the smoke return 27 and the protruding portion 26 of the eaves frame 5 conceal the gap so that flame, smoke, etc. Can be prevented from spreading. Moreover, since the protrusion 26 is provided on the inner peripheral side expected surface 5a of the fence frame 5 in this way, it is possible to prevent cold air from flowing into the combustion side. It is possible to promote the foaming of the heat-expandable refractory materials 47 and 49 provided on the side surface of the return 27, and as shown in FIG. By closing the gap between the eaves 10 and the eaves frame 5, it is possible to reliably prevent the intrusion of flames and smoke.
Thermal expansion is also performed between the hanger base 9 and the expected surfaces 9a and 6a of the eave frame 6, between the upper surfaces 7 and 3a of the upper frame 7 and the upper frame 3, and between the lower surfaces 8 and 4a of the lower frame 4. Refractory materials 45a, 45b, and 49 are interposed, and in the event of a fire, these thermally expandable refractory materials 45a, 45b, and 49 foam and block the gap between the door and the expected surface of the frame, and intrusion of flame, smoke, etc. To prevent.

Furthermore, this door has a metal auxiliary material 41 attached to the prospective surfaces 7 a and 8 a of the upper and lower collars 7 and 8, and the metal auxiliary material 41 extends on the indoor-side finding surface 33 a of the resin cover 33. Since the nonflammable tight material 23 of the upper frame 3 and the lower frame 4 is in contact with the extended portion 44, the resin cover 33 may be burned out in the event of a fire as shown in FIG. Even if it peels or disappears, a gap is not opened between the upper and lower saddles 7 and 8 and the upper and lower frames 4 and 5, and it is possible to prevent intrusion of flames or smoke from between the door and the frame. The metal auxiliary material 41 attached to the lower rod 8 is provided with a thermally expandable refractory material 45c on the inner peripheral side of the prospective surface. The gap between the noncombustible tight materials 23 is closed. Since the metal auxiliary material 41 is hidden by the nonflammable tight material 23 in a state where the door 2 is closed, the metal auxiliary material 41 is hardly noticeable.
The door end fence 10 has an extending part 48 extending to the outer peripheral side of the resin cover 33 on the metal fence 32, and the incombustible tight material 23 of the fence frame 5 is in contact with the extending part 48. Even if the resin cover 33 disappears in the event of a fire, there is no gap between the door-end fence 10 and the fence frame 5.

  The nonflammable tight material 23 of the frame 1 may be hardened and cracked in the event of a fire. 6a is provided with a heat-expandable refractory material 24, and as shown in FIG. Since the thermally expandable refractory material 24 fills the portion where the crack has occurred, it is possible to prevent the intrusion of flame, smoke, or the like from the cracked portion of the incombustible tight material 23.

  Furthermore, this door is provided with a metal glass front opening reinforcement 36 in the glass groove 34 of the door 2, so that the glass panel 11 can be removed even if the resin cover 33 is lost in the event of a fire as shown in FIG. 7. It can be prevented from falling off. Further, since the thermally expandable refractory material 38 is interposed between the Grechan 35 and the glass front reinforcing material 36, even if the Grechan 35 is cracked during a fire, the foamed thermally expandable refractory material 38 is not removed from the Grechan 35 Therefore, it is possible to prevent intrusion of flame, smoke, and the like from the portion where the cracks of the Grechan 35 are generated.

  The present invention is not limited to the embodiments described above. The protruding portion 26 of the collar frame 5 may be integrally formed with the collar frame 5 and an unnecessary portion may be cut away. The shape and material of the incombustible tight material 23 can be changed as appropriate. The metal auxiliary material 41 may be formed of a material that does not easily deform or melt in the event of a fire, and the shape thereof can be changed as appropriate. The present invention can be applied not only to a doorway door but also to any fitting such as an entrance door or a casement window.

DESCRIPTION OF SYMBOLS 1 Frame 2 House 3 Upper frame 4 Lower frame 5,6 Hail frame 7 Upper hail 8 Lower hail 9 Suspension hanger 10 Door end hail 23 Nonflammable tight material 24 Thermal expansion fireproof material 26 Projection part 27 Smoke return 32 Metal hanger 33 Resin cover 41 Metal auxiliary material 43 Fixing part 44 Extension part 45a, 45b, 45c, 47, 49

Claims (2)

A frame, a door supported by the frame so as to be openable and closable, and a heat-expandable refractory material that foams due to the heat of the fire. has a protrusion at the position of the outdoor side closer to face the smoke-back of the inner peripheral side prospective surface of the vertical frame, thermally expandable refractory material, is interposed between the prospective surfaces of door and vertical frame, projecting The part is provided along the longitudinal direction at the lower part of the frame on the door side . A frame, a door supported by the frame so as to be openable and closable, and a heat-expandable refractory material that foams due to the heat of the fire. A projecting part for concealing the gap between the frame and the door when the door warps at a position closer to the outdoor side of the inner peripheral side of the fence frame , facing the smoke return. A joinery characterized in that the material is interposed between the prospective surfaces of the door and the fence frame.

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