JP2013220140A - Fire division hanging wall - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fire division hanging wall having no possibility of backlash and falling-off even in construction under established environment and being inexpensively and easily constructed.SOLUTION: In a fire division hanging wall to be installed on a ceiling 10, a Shoji (sliding screen) 3 includes upper/lower rails 4 and 5, vertical stiles 6, and a panel 7. The upper/lower rails 4 and 5 and the vertical stiles 6 enclose the four sides of the panel 7, includes the panel 7 attached in the inner periphery part, and are mounted between an upper rail 1 attached to the ceiling 10 and a lower rail 2 suspended from the upper rail 1 by suspension members 8. The vertical stiles 6 are so formed as to freely adjust the length according to an interval between the upper rail 1 and the lower rail 2.

Description

  The present invention relates to a fire barrier wall installed on a ceiling of a building.

  The fire barrier is installed in a state where it hangs down from the ceiling of public facilities, commercial facilities, offices, etc., and a non-flammable and translucent non-flammable panel or glass panel is attached to the ceiling. By arranging it between the rail and the lower rail, in the event of a fire, it will block the path of smoke and fire spreading along the ceiling.

JP 2006-335775 A

  However, the current situation is that the dimensions between the upper rail and the lower rail differ depending on the standards defined for each manufacturer and the construction conditions at the site. For this reason, when remodeling existing fire barriers due to non-combustible panels, glass panels, or shoji caskets, the upper and lower rails do not support shoji, and all parts that make up the fire barriers There was a problem incurring an increase in cost because it was forced to be replaced and the construction side also took time. In addition, if the shoji is installed in the existing environment forcibly, the shoji will be rattled after construction, or the shoji will suddenly come off the upper and lower rails and fall to passers-by and objects passing underneath. There was also.

  In view of the actual situation as described above, it is an object of the present invention to provide a fire barrier which can be easily constructed at low cost without worrying about rattling or dropping even in construction in an existing environment.

  The invention according to claim 1 of the present invention is a fire-preventing wall to be installed on a ceiling, wherein the shoji includes an upper and lower heel, a vertical heel and a panel, and the upper and lower heel and the lower heel are arranged around the four sides of the panel. A panel is attached to the inner periphery of the enclosure, and it is attached between the upper rail that is attached to the ceiling and the lower rail that is suspended from the upper rail with a suspension member. The length can be freely adjusted according to the interval.

  The invention according to claim 2 of the present invention is a fire-preventing wall to be installed on the ceiling, and includes an upper rail, a lower rail, and a shoji. The upper rail is fixed to the ceiling, and the lower rail is The shoji is hung with a suspension member attached to the upper rail, and the shoji screen is composed of upper and lower rods and vertical rods to surround the four sides of the panel, and the vertical rods are spaced between the upper and lower rails. In addition, the length can be freely adjusted.

  In the invention according to claim 3 of the present invention, the vertical gutter has a vertical gutter upper member, a vertical gutter lower member, and a core material, and the vertical gutter upper member and the vertical gutter lower member move the vertical gutter up and down. The core material is arranged between the vertical upper member and the vertical lower member, and the vertical upper member and the vertical lower member have a plurality of adjustments. A hole is provided, and the length of the vertical hook can be freely adjusted by inserting a screw into an arbitrary adjustment hole and screwing it to the core member.

  According to the first aspect of the present invention, when a vertical shovel is formed so that the length can be adjusted, when installing a new shoji on the site where the existing upper rail and lower rail are attached In addition, the length of the vertical hook can be adjusted in accordance with the difference in the distance between the upper rail and the lower rail, which differs from site to site. As a result, when remodeling the fire barrier, the shoji can be easily attached at the existing site where installation is relatively restricted, and all of the fire barriers are due to the difference between the distance between the upper and lower rails and the size of the shoji. Therefore, it is possible to provide a fire barrier that can reduce both the cost on the owner side and the labor on the work side.

  According to the invention described in claim 2 of the present invention, even if it is newly installed on the ceiling, the length of the vertical fence corresponding to the site environment such as the site where the distance between the upper rail and the lower rail cannot be secured as designed. Since the height can be adjusted, it is possible to securely attach the fire barrier without selecting the field situation.

  According to the invention described in claim 3 of the present invention, the shovel of the shoji is formed by dividing it into a chisel upper member and a chisel lower member, and either the chisel upper member or the chisel lower member A plurality of adjustment holes are provided in the housing, and screws are inserted into the adjustment holes located at the corresponding positions according to the distance between the upper rail and the lower rail, and screwed to the core material, so that the distance between the upper rail and the lower rail is adjusted. It can provide a fire barrier with simple structure and excellent cost and durability for attaching shoji.

It is the front view which expanded a part of fire prevention droop wall by this implementation. (A) is the AA longitudinal cross-sectional view in FIG. 1, (b) is an enlarged view of B in (a), (c) is an enlarged view of C in (a). (A) is the front view which expanded a part of fire prevention drooping wall by this implementation, (b) is a DD line cross section in (a). (A)-(d) is the simplified front view which shows the construction procedure of the fire barrier by this implementation. It is the perspective view which notched a part which shows the whole fire prevention droop wall by this implementation.

Hereinafter, embodiments of a fire barrier according to the present invention will be described with reference to the drawings.
When newly installing a fire barrier, the upper rail 1 and the lower rail 2 are prepared by the installer. However, when replacing a panel 7 that has deteriorated over time or is physically damaged, the existing ceiling 10 is installed. Since the upper rail 1 and the lower rail 2 are used as they are, a fire barrier wall having the following configuration is used. As shown in FIG. 5, the fire barrier wall according to the present embodiment includes an upper rail 1 attached to the ceiling 10, a lower rail 2, a shoji 3, and a panel 7. As for the attachment of the upper rail 1 to the ceiling 10, the anchor bolt 17 is fixed to the reinforcing bar 16 arranged on the back side of the ceiling 10, and the upper rail 1 is fixed to the anchor bolt 17. Reference numeral 18 denotes a girder.

  The upper rail 1 is fixed to the ceiling 10 with fixing brackets as shown in FIGS. 1 and 2 (a), and the shape thereof is substantially U-shaped with the vertical section downward as shown in FIG. 2 (b). It is an aluminum profile and has a rail groove 1a for accommodating the upper collar 4 of the shoji 3. The lower rail 2 has substantially the same length as that of the upper rail 1 in FIG. 2 (c), and is an aluminum material having a substantially U-shaped vertical section upward, and accommodates the lower arm 5 of the shoji 3. While having the rail groove part 2a, it is suspended and supported by the suspension member 8 from the upper rail 1. FIG.

  The shoji 3 has a horizontally long rectangular shape in which an upper collar 4, a lower collar 5 and a vertical collar 6 are assembled. The panel 7 is attached to one side of the face 4 to 6 with screws. It is. Further, the vertical hook 6 is divided into upper and lower parts and has a structure in which the lower part of the vertical hook 6 expands and contracts in the longitudinal direction. Specifically, for the structure for adjusting the length of the downspout 6, the downspout 6 is formed of a downspout upper member 6a, a downspout lower member 6b, and a core member 12, and the upspout upper member 6a and the downspout lower member 6b is formed in a substantially L-shaped cross section, and a core material 12 is disposed between the inner peripheral portions thereof. Further, the core material 12 is made of a solid material having a substantially rectangular cross section. As shown in FIG. 2B, the core material 12 is provided with adjustment holes 14 penetrating from one side to the other side. In addition, it is fixed to the vertical gutter upper member 6a with screws. Further, the vertical arm member 6b is provided with a plurality of adjustment holes 13a to 13c at intervals in the vertical direction, and the adjustment holes 14 of the core member 12 and the adjustment holes 13a to 13c provided on the vertical arm member 6b. The length of the vertical rod 6 can be adjusted up and down by inserting the screw 15 into either of them and screwing it. Further, the screw 15 screwed in each of the adjustment holes 13a to 13c and 14 also serves as a means for fixing the vertical arm lower member 6b and the lower arm 5, and the screw head on one side of the shoji 3 is found. It has a structure that minimizes exposure and does not impair the appearance design. In the fire barrier according to the present embodiment, the adjustment holes 13a to 13c are provided at three positions on the vertical arm member 6b, and the adjustment holes 13a to 13c are spaced by 7 mm and 13 mm, respectively. Moreover, about said space | interval, it can also be changed suitably, such as when there is a change in the standard which a manufacturer defines, or increasing adjustment holes 13a-13c according to a field condition.

  The panel 7 is made of a non-combustible transparent or translucent transparent material such as a sheet, and in this embodiment, a glass fiber impregnated with a synthetic resin is selected. . Thereby, when the fire protection wall by this implementation is attached to the ceiling 10, the ensuring of visibility and the indoor landscape are not impaired. In addition, referring to FIGS. 2 (a) and 2 (b), the attachment of the flanges 4 to 6 and the panel 7 is performed by arranging the four peripheral ends of the panel 7 on the inner peripheral portions of the corresponding flanges 4 to 6, respectively. By inserting the end portion of the panel 7 into the groove portion of each flange 4 to 6 and sandwiching it with the packing 19 from one side and the other side, and further fixing the panel 7 with the angle 20 between each flange 4 to 6 It is impossible to leave.

  In addition, the fire barrier according to the present embodiment is connected in parallel to the ceiling 10 of the building along the upper rail 1 as shown in FIG. 4. In this case, as shown in FIG. A suspension member 8 is attached to 1 to suspend the lower rail 2, and each shoji 3 is accommodated in the rail groove 2 a of the lower rail 2 and attached to the ceiling 10. Moreover, the adjacent vertical scissors 6 of each shoji 3 are connected with the connecting material 9, and the connecting material 9 has a substantially H-shaped cross section as shown in FIG. Is set to approximately the same length. The connecting member 9 is disposed between the adjacent vertical scissors 6 of each shoji 3 and accommodates the vertical scissors 6 in the groove portions 9a on both sides. Further, at a place where the suspension member is present when the shoji 3 is connected, the suspension member 8 is sandwiched between the one shoji 3 and the connecting member 9, and the hanging member 8 together with the vertical rod 6 is placed in the groove portion 9 a of the connecting member 9. In addition to providing a space for accommodating the suspension member 8 in the connecting member 9, the sealing property between the shojis 3 is ensured and the smoke-proof effect is not impaired. Reference numeral 21 denotes a tension rod disposed between the upper and lower rods 4 and 5.

The construction procedure of the fire barrier according to this embodiment will be described with reference to FIGS.
As a first procedure, as shown in FIG. 3A, the four ends of the panel 7 are attached to the inner peripheries of the upper ridge 4, the lower heel 5, and the vertical ridge 6 of the shoji 3. As a second procedure, as shown in FIG. 3 (b), the vertical arm lower member 6b of the vertical arm 6 of the shoji 3 is stretched and matched in accordance with the distance between the upper rail 1 and the lower rail 2, and at that position Screws 15 are inserted into the corresponding adjustment holes 13a to 13c and 14 of the lower arm member 6b and the core member 12 and fixed. As a third procedure, as shown in FIG. 3C, the shoji 3 is fitted into the rail grooves 1a and 2a of the upper rail 1 and the lower rail 2 in a Kendon manner as shown in FIG. The installation of the shoji 3 of the fire barrier according to this implementation is completed.

  When the fire barrier according to this embodiment is formed as described above, in the newly constructed site, the upper rail 1 and the lower rail 2 are installed, and the shovel 3 is adjusted by adjusting the vertical shaft 6 of the shoji 3 according to the site situation. Can be attached firmly. Further, even when the shoji 3 is attached to the existing upper rail 1 and lower rail 2, the vertical rod 6 is lengthened and adjusted by extending the vertical rod lower member 6b constituting the vertical rod 6 Since the distance between the rail 1 and the lower rail 2 can be adjusted, it corresponds to the various distances between the upper rail 1 and the lower rail 2 that change according to the standards set for each manufacturer of the existing fire barrier and the construction situation at the site. The shoji 3 can be attached.

  In the fire barrier according to the present invention, as a means for adjusting the length of the vertical gutter 6, the vertical gutter 6 made of a hollow shape is divided into a vertical gutter upper member 6a and a vertical gutter lower member 6b, and a core is formed inside each of the gutters. The material 12 is inserted and screwed in the appropriate adjustment holes 13a to 13c, 14 with the screw 15. However, any member that can adjust the length of the vertical rod 6 may be used. The thing etc. which can adjust length may be used.

DESCRIPTION OF SYMBOLS 1 Upper rail 2 Lower rail 3 Shoji 4 Upper eaves 5 Lower eaves 6 Vertical eaves 6a Vertical eaves upper member 6b Vertical eaves lower member 7 Panel 8 Hanging member 10 Ceiling

Claims (3)

A fire wall installed on the ceiling,
The shoji has an upper and lower fence, a vertical fence, and a panel. The upper and lower fences and the lower fence have a panel attached to the inner periphery surrounding the four circumferences of the panel, an upper rail attached to the ceiling, and an upper A fire barrier that is attached between the lower rails that are suspended from the rails by a suspension member, and that the vertical rod is freely adjustable in length according to the distance between the upper rail and the lower rail. . A fire wall installed on the ceiling,
The upper rail is fixed to the ceiling, and the lower rail is supported by being suspended by a suspension member attached to the upper rail. A vertical fire wall that surrounds all four sides of the panel with vertical gutters, and the vertical gutters are freely adjustable in length according to the distance between the upper and lower rails. A downspout has a downspout upper member, a downspout lower member, and a core material. The downspout upper member and the downspout bottom member are formed by dividing a downspout vertically, The material is arranged between the vertical gutter upper member and the vertical gutter lower member, and the vertical gutter upper member and the vertical gutter lower member are provided with a plurality of adjustment holes in any one of the adjustment holes. The fire barrier according to claim 1 or 2, wherein the length of the vertical gutter can be adjusted freely by inserting a screw and screwing it to the core member.

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