JP6258634B2 - Window fire prevention structure - Google Patents

Description

  The present invention relates to a fire prevention structure of a window installed in a building such as a house, and more specifically, hot air or flame enters the indoor side from a gap between a vertical fence of a shoji generated by heat at the time of a fire and a recumbent The present invention relates to a fire prevention structure that prevents the spread of fire.

  Japanese Patent Application Laid-Open No. 2004-151561 discloses a side-out window that opens and closes a shoji by rotating a handle attached to a lower frame. This laterally extending window has a configuration in which the load of the glass panel of the shoji is received by the lower arm.

JP 2008-291467 A

  However, in such a window, when a fire occurs in an adjacent house etc., if the central part of the shoji screen or the window frame is deformed to the outside by thermal expansion, the connection between the shovel and recumbent of the shoji is loosened, A gap is generated between the two. Thus, when a gap is generated between the vertical and horizontal sides of the shoji, there is a problem in that flames and hot air enter the room through the gap and the fire spread easily occurs. In particular, in a structure in which the load on the glass panel is received by the lower arm of the shoji, the load on the glass panel is applied to the lower arm, so that a gap is likely to occur between the lower arm and the vertical arm.

  In addition, when installing a resin frame on the indoor side of the window frame in order to insulate the window and prevent condensation, the resin frame is blocked by hot air or flame that enters from the gap between the vertical wall and the horizontal wall from the outside. It dissolves and the supporting force of the shoji decreases, making it more likely to spread fire.

  In view of the above-described problems, the present invention is a case where a gap is generated between a shovel of a shoji and a recumbent by deformation of a shoji, a window frame or a glass panel in the event of a fire. An object of the present invention is to provide a window fire prevention structure in which the passage of hot air or flame is prevented and the fire spread prevention function is improved.

The fire prevention structure of the window according to claim 1 is:
The coupling portion of the metal stiles and metal Yokokamachi shoji, windows heating foam was eclipsed set for closing a gap formed between the stile and the Yokokamachi foamed by heating in the event of a fire Fire prevention structure,
The recumbent has a hollow part ,
A core material, which is a horizontal reinforcing material, is attached in the hollow portion, a bent portion having a structure for closing the inside of the hollow portion is formed in at least one end portion of the core material, and faces the vertical shaft of the bent portion. A heating foam material is provided on the surface .

The window fire prevention structure according to claim 2 is the window fire prevention structure according to claim 1 ,
The window is an open window, and the coupling portion on which the heating foam material is provided is a coupling portion between a vertical gutter and a lower gutter.

The window fire prevention structure according to claim 3 is the window fire prevention structure according to claim 1 or 2 ,
Of the window frame attaching the shoji, comprising a resin frame to the portion provided on the interior side of the sash, as viewed from the indoor side, characterized in that it is a rail is hidden structure of the shoji by the resin frame.

According to the present invention, it is provided with the heat-foamable material at the junction of a metal stiles and metal Yokokamachi, stile or glass panel is deformed by heating at the time of fire, the vertical frame and Yokokamachi Even if a gap is generated between them, the heated foaming material is closed by a foam that is foamed and the gap is expanded. For this reason, it is prevented by a foam that a hot air and a flame penetrate | invade into a room inner side, and a fire spread is prevented.

In addition, a core material that is a horizontal reinforcing material is attached in the hollow portion, a bent portion having a structure for closing the hollow portion is formed at least at one end portion of the core material, and the surface of the bent portion facing the vertical rod is formed. Since the heating foam material is provided, the core member serves to reinforce the horizontal ribs, suppresses deformation of the ribs, and contributes to the suppression of gap expansion at the joint portion. In addition, during the thermal expansion of the heated foam material, the foaming direction of the foam is blocked by the bent portion of the core material in the hollow portion, and is concentrated at the joint between the vertical wall and the side wall. It can contribute to gap clogging without waste. Further, since the heating foam material is provided on the core material side, there is no possibility that the heating foam material is sandwiched between the vertical and horizontal planes, which is advantageous in manufacturing.

According to the invention of claim 2 , a heating foam material is provided at a joint portion between the vertical fence and the lower fence of the raised window, and the raised window is configured to receive the load of the glass panel with the lower fence. For this reason, when a fire occurs, a load on the glass panel is applied to the lower rod in addition to the thermal deformation of the rod, and a gap is likely to be generated at the joint between the vertical rod and the lower rod. For this reason, closing the gap by foaming of the heating foam material exhibits an important effect on fire prevention.

According to the invention of claim 3 , a resin frame is provided in a portion provided on the indoor side of the shoji, and when viewed from the indoor side, the shoji of the shoji is hidden by the resin frame. By being hidden by the resin frame, a window having excellent heat insulation and anti-condensation structure is formed. In addition, even in such windows with excellent heat insulation and anti-condensation structure, the effect of hot air and flame is reduced by the foaming of the heated foam material provided at the joint of the vertical and horizontal walls, and the resin frame is dissolved. By preventing or delaying dissolution, it becomes possible to realize a window having excellent fire prevention performance.

It is a longitudinal cross-sectional view which shows the vertical extension window which is one Embodiment of the fire prevention structure of the window of this invention. It is a cross-sectional view of the vertical extension window of FIG. It is a top view which shows the opening / closing mechanism of the vertical extension window of FIG. 1, FIG. It is an expanded sectional view of FIG. It is a principal part expanded sectional view of FIG. It is a perspective view which shows a part of core material provided in this embodiment. It is the figure which looked at the lower part of the lower rod and the vertical rod in this embodiment from the outdoor side. It is sectional drawing which shows the foaming state of the heating foam material in the coupling | bond part of the lower gutter and the vertical gutter in this embodiment. It is a longitudinal cross-sectional view which shows the horizontal extending window which is other embodiment of the fire prevention structure of the window of this invention. FIG. 10 is a transverse cross-sectional view of the lateral extension window of FIG. 9. It is a top view which shows the opening / closing mechanism of the horizontal extension window of FIG. 9, FIG. It is a side view which shows the opening / closing mechanism of the horizontal extension window of FIG. 9, FIG. It is a longitudinal cross-sectional view which shows the fitting window which is other embodiment of the fire prevention structure of the window of this invention. FIG. 14 is a cross-sectional view of the fitting window of FIG. 13.

  FIG. 1 is a longitudinal sectional view of a vertically extending window showing an embodiment of the window of the present invention, and FIG. 2 is a transverse sectional view thereof. 1 and 2, 1 is a left and right vertical frame, and 2 and 3 are horizontal frames provided as an upper frame and a lower frame, respectively. The vertical frame 1 and the horizontal frames 2 and 3 are made of an extruded metal member such as an aluminum alloy. 4, 5, and 6 are resin frames made of synthetic resin extruded shapes that are assembled to the outdoor sides of the vertical frame 1, the horizontal frame 2, and 3, respectively, to enhance heat insulation. 3 is a part. A frame F is constituted by the vertical frame 1, the horizontal frame 2, 3 and the resin frames 4-6.

  In FIG. 1, reference numerals 35 and 36 respectively denote a window stand and a lintel that constitute a base frame of the building opening 37. Reference numeral 38 denotes a frame installed on the window base 35 via a chi tree 39, and reference numeral 40 denotes a frame attached via a chi tree 41 below the lintel 36. In FIG. 2, reference numeral 42 denotes left and right pillars that form a base frame of the building opening 37 together with the window stand 35 and the lintel 36, and 43 denotes a frame installed on these pillars 42 via a chi tree 44. These four frame frames 38, 40, 43, 43 constitute the inner peripheral surface of the building opening 37. These frame frames 38, 40, 43, 43 and chi-woods 39, 41, 44, 44, and the window stand 35 The lintel 36 and the pillars 42 and 42 constitute a recess 45 on the outdoor side of the building opening 37. Then, the room-side finding surface of the frame body F is applied to the wall surface forming the recess 45 and fixed by a fixing tool 46 such as a screw. When viewed from the indoor side, the frame F has a structure hidden by the frames 38, 40, 43, 43 and the interior material 47. 48 is a trunk edge, and 49 is an exterior material.

  The shoji 7 accommodated in the frame F constitutes a vertical extending window, and left and right vertical eaves 8 and 8, upper eaves 9 made of a metal extruded shape such as an aluminum alloy extruded shape and the like. A double panel made up of an indoor side glass panel 12 made of a meshed glass panel and an outdoor side glass panel 13 is incorporated into a rectangular frame made of the lower arm 10 through a glazing channel 11. Is. However, the present invention can also be applied to a single-layer panel. Reference numeral 14 denotes a screen door configured with resin frames 4 to 6 as a frame.

In FIG. 1, 16 is a support mechanism for the suspension provided between the upper collar 9 and the upper frame 2 of the shoji 7, and 17 is a support for the suspension provided between the lower collar 10 and the lower frame 3 of the shoji 7. Mechanism. Reference numeral 18 denotes a bracket attached to the lower frame 3 by a fixing tool 19 such as a screw, and 20 denotes a handle for opening / closing the shoji attached to the bracket 18. Reference numeral 21 denotes a relay arm to be described later for opening and closing the shoji 7. Reference numeral 60 denotes a core material attached in the hollow portion of the lower iron 10 , and 63 denotes a heating foam material attached to the core material. The structure of these materials will be described later.

  FIG. 3 is a plan view showing the opening / closing mechanism of the shoji 7, and shows the shoji 7 in an opened state. In FIG. 3, reference numeral 20 a denotes a gear fixedly attached to the rotation shaft of the handle 20, and 22 denotes an operation arm. The operation arm 22 is attached so as to be rotatable around a pin 23 provided on the bracket 18. A gear 22a that meshes with the gear 20a is fixedly provided at the base of the operation arm 22. The operating arm 22 is pivotally connected to one end of the relay arm 21 by a pin 24. The other end of the relay arm 21 is rotatably connected to a bracket 25 attached to the indoor side surface of the lower arm 10 by a pin 26.

  Reference numerals 27 and 28 denote first and second links provided between the lower frame 3 and the lower collar 10 of the shoji 7, respectively, and constitute a support mechanism 17 on the opening / closing drive side below the shoji 7. One end of the first link 27 is rotatably connected to the lower frame 3 by a pin 29 and the other end is rotatably connected to the lower surface of the lower collar 10 by a pin 30. In the second link 28, a slider 28a provided at one end so as to be rotatable is slidably engaged along a guide member 31 made of a steel material attached to the lower frame 3, and the other end is fixed to the lower rod 10 with a pin 32. To be pivotably connected. The support mechanism 16 between the upper frame 2 and the upper collar 9 is a support mechanism on the driven side, and is similar to the guide member 31 and the links 27 and 18 of the support mechanism 17 except that the arms 21 and 22 are not provided. Composed of structure.

  In FIG. 3, when the handle 20 is turned in the direction of the arrow R1, the operation arm 22 is rotated in the direction of R2 due to the meshing of the gears 20a and 22a, so the shoji 7 is pulled in the direction of the arrow X1 by the relay arm 21. It is done. As a result, the first link 27 rotates about the pin 29 in the direction of the arrow R3, and the shoji 7 moves in the direction of the arrow X1 and simultaneously rotates in the direction of the arrow R4. Open like so. At this time, the second link 28 supports the suspension side of the shoji 7 while the slider 28a is guided by the guide member 31 and moves as indicated by the arrow X2. When the handle is turned to the opposite side of the arrow R1, the shoji 7 is closed by the reverse movement.

  4 is an enlarged cross-sectional view of the lower frame 3 and the lower eyelid 10 in FIG. 3a is an opening groove provided to accommodate the operation arm 22 and the relay arm 21 which are operation members for opening and closing the shoji 7, and this opening groove 3a is open to the indoor side of the lower arm 10 of the shoji 7. Are formed so as to face each other. Reference numeral 3b denotes an upright portion formed in the lower frame 3 in order to form the opening groove 3a. Reference numeral 50 denotes a heating foam material that is attached to the upright portion 3 b and fixed by screws 49. 51 is a dry seal material made of rubber attached to the outdoor side of the opening groove 3a forming portion of the lower frame 3, and maintains the airtightness by bringing the inner surface of the lower collar 10 into contact.

  In FIG. 4, 3d is a lower ridge facing portion of the lower frame 3 facing the lower surface of the lower heel 10 of the shoji 7, and 3e is an upright portion provided on the indoor side of the lower heel facing portion 3d. 52 is a heating foam material affixed to this upright part 3e. Reference numerals 3f and 3g denote locking protrusions formed on the lower collar facing surface portion 3d and the upright portion 3e, respectively, in order to prevent the heating foam material 52 from coming off. The heating foam material 52 is attached over the entire length of the lower frame 3.

  In FIG. 4, 10a is a drooping plate portion provided on the lower eyelid 10 so as to cover the outdoor side end portion of the lower eyelet facing portion 3d of the lower frame 3 from the outdoor side. 53 is a heating foam material affixed to the indoor side surface of the hanging plate portion 10a, that is, the surface facing the upright portion 3e. The heating foam material 53 is provided over the entire length of the lower iron 10. Reference numerals 10b and 10c denote locking projections formed on the hanging plate portion 10a and the lower collar 10 to prevent the heating foam material 53 from coming off.

  5 is an enlarged cross-sectional view of the main part of FIG. 4, FIG. 6 is a perspective view showing a part of the core member 60 to be mounted in the hollow portion 10e of the lower rod 10, and FIG. It is the figure seen from the outside. In FIG. 5, 10d is a groove forming part for mounting the glass panels 12 and 13, and 10e is a hollow part (hollow part) formed under the groove forming part 10d. As shown in FIGS. 5 and 6, the core member 60 to be mounted in the hollow portion 10e has an upper plate portion 60a and a lower plate portion 60b and has a U-shaped cross section in the short direction. 3 has a length slightly shorter than 3.

  As shown in FIGS. 5 and 7, the core member 60 is fitted in the hollow portion 10 e to restrict movement in the vertical direction and the front-rear direction. The core member 60 is fixed in the longitudinal direction by screwing a screw 62 from below into a screw hole 10f provided in the bottom plate portion of the hollow portion 10e, and this screw 62 is connected to a through hole provided in the lower plate portion 60b of the core member 60. The core member 60 is fixed at both ends by tapping screws 61 screwed into tapping holes 10g provided in the top plate portion of the hollow portion 10e. However, only one of the tapping screws 61 is shown.

  60d is a bent portion provided at the other end portion of the core member 60, that is, the end portion on the free end side of the shoji 7, and the bent portion 60d is a lower end of the vertical rod 8 as shown in FIG. It faces the contact plate part 8a. Reference numeral 63 denotes a heating foam material fixed to a surface facing the lower collar abutting plate portion 8a of the bent portion 60d. Reference numeral 64 denotes a heating foam material fixed on the upper plate portion 60a at the end portion of the core member 60 where the bent portion 60d is formed.

  In this embodiment, as described above, since the heating foam materials 63 and 64 are provided at the joint portion between the vertical rod 8 and the lower rod 10, a fire is generated outside, and hot air or flame acts on the shoji 7 Even if a gap g is generated between the vertical rod 8 and the lower rod 10 due to thermal expansion and deformation of the rods 8 to 10 and the glass panels 12 and 13, as shown in FIG. Due to the foaming of 64, the gap 66 is filled in the gap g to close the gap g. For this reason, intrusion of hot air or flame is prevented by the foam 66, and fire spread is prevented.

In this embodiment, the heating foam materials 63 and 64 are provided only at the free end side end portion of the shoji 7 of the core material 60, but the end portion of the core material 60 on the suspension side of the shoji screen 7 is also heated. A foam material may be provided. However, as shown in FIG. 2, in order to prevent the warp 7 from warping to the outside when the shoji 7 is closed, the warp prevention metal fitting made of steel material on the vertical frame 1 is provided at the suspension side end of the shoji 7. 67, and the vertical rod 8 is attached with a metal fitting 68 that comes into contact with the anti-warpage metal fitting 67 when it warps outward. As a result, the joint portion between the vertical rod 8 and the lower rod 10 is less likely to come off. For this reason, in this embodiment, on the suspender side, a gap is less likely to occur at the joint between the vertical rod 8 and the lower rod 10, and no heating foam is provided. A heating foam material may be provided at the joint between 8 and the lower arm 10.

  Further, the heating foam may be provided on the lower hook contact plate portion 8a of the vertical hook 8. However, if the heating foam is provided on the lower hook contact plate portion 8a, the lower hook 10 is combined with the vertical hook 8. At this time, the heated foaming material may be sandwiched between the lower hook contact plate portion 8a of the vertical rod 8 and the end of the lower rod 10, and the dimensional accuracy may be impaired, or the bonding strength between the rods 8 and 10 may be impaired. There is a need for high-precision pasting position accuracy of the heated foam material.

  On the other hand, by providing the heating foam material 63 in the bent portion 60d of the core member 60 as in this embodiment, such positional accuracy is not required, which is advantageous in manufacturing, and the hollow of the lower collar 10 The part 10e, the bent part 60d of the core member 60, and the lower hook contact plate part 8a of the vertical hook 8 constitute one room, and the heating foam material 63 is foamed in this room. Can be concentrated on the joint portion between the vertical rod 8 and the lower rod 10, and the heating foam 63 can be contributed to the clogging of the gap without waste. For this reason, since the size of the heating foam material 63 can be reduced, it becomes economical.

  In order to reduce the size of the heating foam material 63, a metal fitting for preventing the heating foam material 63 from diffusing into the hollow portion 10e when foaming may be attached instead of the core material 60. By providing 60, the core member 60 serves to reinforce the lower collar 10 and suppresses deformation of the lower collar 10 and contributes to suppression of gap enlargement at the joint portion, and thus improvement of fire prevention performance.

  Moreover, although this invention may provide a heating foam material in the junction part of the vertical gutter 8 and the upper gutter 9, this embodiment is between the vertical gutter 8 and the lower gutter 10 of a vertical extension window. The heating foam is provided in the joint, and the opening window is configured to receive the load of the glass panels 12 and 13 with the lower casing 10, so that in addition to the thermal deformation of the casing 8 to 10 in the event of a fire, the glass panel Since the loads 12 and 13 are applied to the lower rod 10, a gap is easily generated at the joint portion between the vertical rod 8 and the lower rod 10. For this reason, closing the gap by foaming of the heating foam materials 63 and 64 has an important effect on fire prevention.

  Moreover, in this embodiment, the part provided in the room inner side of the shoji 7 is made into the resin frames 4-6, and it sees from the room inner side, and the structure where the eaves 8-10 of the shoji 7 are hidden by the resin frames 4-6. In this case, the ridges 8 to 10 of the shoji 7 are concealed by the resin frames 4 to 6, so that a window having excellent heat insulation and dew condensation prevention structure is formed. In addition, even in such a window having excellent heat insulating properties and anti-condensation structure, the influence of hot air and flame is reduced by foaming of the heating foam materials 63 and 64 provided in the joint portion of the vertical gutter 8 and the lower gutter 10, By preventing the resin frames 4 to 6 from being dissolved or delaying the dissolution, it is possible to realize a window having excellent fireproof performance.

  In this embodiment, since the heating foams 50, 52, 53 are also provided between the lower frame 3 and the lower casing 10, the foam between the lower frame 3 and the lower casing 10 is also provided in the event of a fire. Is filled. For this reason, even if a gap is generated between the lower frame 3 and the lower rod 10, the hot air and the flame are blocked and the spread of fire to the indoor side is better prevented.

  9 to 12 show other embodiments of the fire prevention structure of the present invention, which is an example in which the present invention is applied to a sideways window. FIG. 9 is a longitudinal sectional view of a laterally extending window, and FIG. 10 is a transverse sectional view thereof. 11 is a plan view showing a state in which the shoji 7 is opened, and FIG. 12 is a side view thereof.

  9 to 12, the same reference numerals as those in FIGS. 1 to 8 denote members that perform the same function. Also in this embodiment, the lower frame 3 has the opening groove 3a, and the operation arm 22X and the relay arm 21X as operation members are accommodated in the opening groove 3a in a state where the shoji 7 is closed. As shown in FIG. 11, the operation arm 22 </ b> X is rotatably attached to the bracket 18 by a pin 23. The operation arm 22 </ b> X has a gear 22 a that meshes with a gear 20 a provided on the handle 20 at the base portion thereof. As shown in FIG. 11, the relay arm 21 </ b> X is attached to the lower frame 3 so as to be rotatable around a pin 57. The tip of the operation arm 22X is connected to the vicinity of the root of the relay arm 21X by a pin 58 so as to be rotatable. The distal end of the relay arm 21X is pivotally connected to the lower arm 10 of the shoji 7 by a pin 59.

  In FIG. 12, 27X and 28X are the first and second links provided between the left and right vertical frames 1 and the left and right vertical rods 8 of the shoji 7, respectively. One end of the first link 27X is rotatably connected to the vertical frame 1 by a pin 29X, and the other end is rotatably connected to a side surface of the vertical rod 8 by a pin 30X. The second link 28 </ b> X has one end rotatably connected to a mounting member 31 </ b> X made of steel attached to the vertical frame 1 by a pin 28 b and the other end rotatably connected to a vertical rod 8 by a pin 32 </ b> X.

  In FIG. 11, when the handle 20 is rotated in the direction of the arrow R1, the operation arm 22X is rotated in the direction of the arrow R2. As a result, the relay arm 21X is rotated about the pin 57 in the direction of the arrow R3. Shoji 7 opens. Thus, when the shoji 7 is opened, in FIG. 12, the first link 27X rotates about the pin 29X as shown by the arrow R4, and the second link 28X also turns to the arrow R4 about the pin 28b. The shoji 7 is opened as shown by the arrow R5 while rotating as shown.

  Also in this laterally extending window, by providing the heating foam material 63, as described for the vertically extending window, the fireproof performance can be improved, and the effect of preventing the spread of fire is improved.

  However, according to the present invention, the fireproof performance can be enhanced by the same structure not only in the above-described window but also in the fitting window shown in the longitudinal sectional view of FIG. 13 and the transverse sectional view of FIG. 13 and 14, the same reference numerals as those in FIGS. 1 to 12 indicate members that perform the same function. The fitting window is attached by fixing the flanges 8 to 10 of the shoji 7 to the frame F. In order to improve the design by arranging the sliding doors 7 in parallel with the sliding window 7 so that the vertical width of the shoji 7 is aligned, the sliding window is configured by unifying the vertical width of the sliding window.

  Even in such a fitting window, by providing the heating foam material 63 or further the heating foam material 64, they can be foamed to improve the fire resistance. In addition, this insertion window was manufactured using the same manufacturing equipment as the installation window, even if only the installation window was installed side by side without being installed side by side with the installation window or it was installed independently. The present invention can also be applied to a case in which a fitting window is formed with a hook or a frame.

  As described above, the present invention has been described with reference to the embodiment. However, when the present invention is carried out, various members and combinations thereof, such as the opening / closing mechanism of the opening window, the window frame and the ridge, can be used without departing from the scope of the present invention. Can be changed or added.

1: vertical frame, 2: upper frame, 3: lower frame, 4-6: resin frame, 7: shoji, 8: vertical rod, 9: upper rod, 10: lower rod, 10e: hollow section, 12, 13 : Glass panel, 60: Core material, 60d: Folded part, 63, 64: Heated foam material, 66: Foam, F: Window frame

Claims (3)

The coupling portion of the metal stiles and metal Yokokamachi shoji, heating the foam is provided by foamed by heating in the event of a fire to close the gap formed between the vertical frame and the Yokokamachi The fire prevention structure of the open window,
The recumbent has a hollow part,
The core wherein a reinforcement of the transverse rail into the hollow portion is attached, the bent portion of the structure that closes the hollow portion on at least one end portion of the core material is formed, on the vertical frame of the bent portion A fire prevention structure for a window, characterized in that a heating foam material is provided on the opposing surfaces. In the fire prevention structure of the window according to claim 1,
It said window is a window out slip, and the coupling portion provided with a heat-foamable material, fire structure of the window, which is a coupling portion between the bottom rail of the horizontal rail and the vertical frame. In the fire prevention structure of the window of Claim 1 or 2,
Of the window frame for attaching the shoji, a portion provided on the indoor side of the shoji is provided with a resin frame, and when viewed from the indoor side, the shovel and the recumbent of the shoji are hidden by the resin frame. Characteristic fire prevention structure of windows.

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