JP2015002767A - Smoke barrier structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To propose a novel structure in the structure of consecutively installing smoke barriers having such structure that tension is applied in the lateral direction.SOLUTION: The smoke barrier structure is formed by consecutively installing at least two units of smoke barrier 2 with incombustible sheets 70. The respective units are connected via a connection part 60, and the incombustible sheets 70 are stretched with the tension applied thereto laterally. Even when the structure in which tension F1 and F2 is applied to the incombustible sheets 70 is adopted, this configuration effectively interacts loads caused by the tension F1 and F2 with each other so as to prevent inclination of members of the connection part 60, thus retaining an optimal installation state.

Description

  The present invention relates to a smoke proof wall provided on a ceiling of a building.

  2. Description of the Related Art Conventionally, as disclosed in, for example, Patent Document 1, a technique for constructing a hanging wall by hanging a non-combustible sheet from a ceiling of a large store, office building, public facility, or the like is known. This stagnation wall constitutes a smoke proof wall, and a smoke proof wall is formed by the smoke proof wall to prevent or delay the flow of smoke generated during a fire or the like.

  Further, as disclosed in Patent Document 2, in a structure in which a sheet material is disposed between a vertically long frame (box) suspended from the ceiling and the frame, the sheet material wound body in one frame It is also known that a sheet material is unwound in the lateral direction and a sheet is stretched between two frames.

Japanese Patent No. 3810166 JP 2007-29109 A

  In the configuration in which the sheet as disclosed in Patent Document 2 is installed in a state in which the sheet is stretched in the lateral direction, since the sheet has flexibility, wrinkles and deflection are generated on the sheet, which causes an aesthetic problem. It is feared that this will occur.

  This wrinkle and deflection can be eliminated by applying tension to the sheet, but if a strong tension is continuously applied, the load on the frames on both sides of the sheet will be reduced. Continuing to act, there is a concern that the frame body tilts. In particular, the longer one sheet is, the more tension is applied over the entire range, and a greater load is applied to the frame.

  If the frame bodies on both sides of the sheet are fixed to the wall surface, it is possible to cope with a large lateral load by firmly fixing the upper end portion and the lower end portion of the frame body to the wall surface.

  However, on the floor of a large section, there may be a need to use a plurality of single unit smokeproof walls and connect them in a straight line, an L shape, a T shape, or a cross shape. In such a case, there is a concern that the frame disposed at the joint portion of the single unit is disposed at a position away from the wall surface and cannot be fixed to the wall, and is inclined due to the load of the seat. The

  In view of the above problems, the present invention proposes a new configuration in a configuration in which smoke proof walls having a configuration in which a tension is applied in the lateral direction are continuously provided.

  The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described.

  That is, as described in claim 1, a smoke proof wall structure in which at least two units of a smoke proof wall having an incombustible sheet are connected in series, each unit being connected via a connection part. The incombustible sheet has a smoke-proof wall structure that is stretched laterally.

Moreover, as described in claim 2,
The continuous portion is provided with an adjustment mechanism for adjusting the tension of the non-combustible sheet of the two units.

Moreover, as described in claim 3,
The continuous portion is configured so that a tension applying mechanism for balancing the load acting from the non-combustible sheet can be attached.

  As effects of the present invention, the following effects can be obtained.

  That is, in the invention according to claim 1, even in the case where the tension is applied to the non-combustible sheet, the optimum installation state can be obtained by causing the loads caused by the tension to effectively act on each other. It becomes possible to do.

  In the invention according to claim 2, by providing the adjusting mechanism in the continuous portion, it is possible to keep the balance of the load applied to the continuous portion.

  Moreover, in the invention of Claim 3, the balance of the load which acts on a standing member can be adjusted compared with the case where a tension | tensile_strength provision mechanism is not provided.

It is a front view shown about one Embodiment of this invention. (A) is a top sectional view shown about an example which connects a smoke-proof wall in a straight line. (B) is a horizontal sectional view showing an example in which smoke proof walls are continuously arranged in a cross shape. (C) is a horizontal sectional view showing an example in which smoke proof walls are continuously arranged in an L shape. (D) is a horizontal sectional view showing an example in which smoke proof walls are continuously arranged in a T shape. (E) is a horizontal sectional view showing an example in which smoke proof walls are arranged in a substantially “<” shape. FIG. 3 is a partial front sectional view showing the configuration of the continuous mechanism according to the first embodiment. FIG. 3 is a horizontal cross-sectional view illustrating the configuration of the continuous mechanism according to the first embodiment. FIG. 6 is a partial front sectional view showing a configuration of a continuous mechanism according to the second embodiment. (A) is a plane sectional view showing the mechanism for continuous installation of Example 2 about a constituent member. (B) is the horizontal sectional view which shows the mechanism for continuous arrangement of Example 2 about a structural member. FIG. 10 is a partial front sectional view showing the configuration of the continuous arrangement mechanism according to the third embodiment. FIG. 6 is a plan sectional view showing a configuration member according to a third embodiment for a connecting mechanism.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a front view showing an embodiment of the present invention, and shows a state in which two smoke proof wall 2 units are connected (arranged) so as to hang down from a ceiling surface 1.

  Each smoke proof wall 2 includes a long upper frame 3 attached to the ceiling surface 1, and wall-side vertical frames 4 provided to extend downward from the ceiling surface 1 at both longitudinal ends of the upper frame 3. A wall-side vertical frame 5 and a partition forming face 7 provided so as to close a portion surrounded by the frames (3, 4, 5) are configured.

  The partition forming face 7 has a non-combustible sheet 70 having flexibility. As the material of the incombustible sheet 70, an incombustible material that complies with related laws and regulations is adopted, and various specifications such as transparent, translucent, and opaque can be adopted.

  The upper part of the non-combustible sheet 70 of the partition forming face 7 is suspended from the upper frame 3 via height adjusting mechanisms 90 and 90 attached to the upper frame 3.

  One side of the side portion of the non-combustible sheet 70 of the partition forming face 7 is stored in the wall-side vertical frame 4, and the other end is stored in the opposite wall-side vertical frame 5. Between the vertical frame 5 and the opposite wall side vertical frame 5 in a state in which tension is applied in the lateral direction. In the present specification, the horizontal direction refers to the horizontal direction, and in the example of FIG. 1, the direction toward the counter-wall-side vertical frame 5 as viewed from the wall-side vertical frame 4. This is the direction toward the wall-side vertical frame 4 when viewed from the vertical frame 5. The tension acting on the incombustible sheet 70 is generated in the in-plane direction of the incombustible sheet 70.

  In the example of FIG. 1, in each unit of the smoke barrier wall 2, the wall-side vertical frame 4 of each unit is fixed to the wall surface 21 and the opposite wall-side vertical frame 5 disposed on the side away from the wall surface 21. The members 5 are joined together via a continuous mechanism 6 disposed in the continuous portion 60. It is also conceivable to directly join the opposite wall-side vertical frames 5 and 5 without using the connecting mechanism 6.

  In the example of FIG. 1, the tensions F1 and F2 generated in the incombustible sheet 70 of each smoke proof wall 2 unit act in the opposite direction with the continuous mechanism 6 interposed therebetween. It can suppress that the load which acts on the opposite wall side vertical frames 5 and 5 cancels out, and the opposite wall side vertical frames 5 and 5 incline in any one direction. Of course, tilting of the vertical member 61 of the continuous mechanism 6 is also suppressed.

  FIG. 2 (a) is a plan cross section showing the connecting portion having the configuration shown in FIG. 1, and when the tensions F1 and F2 act in directions opposite to each other, the opposite-wall-side vertical frames 5 and 5 and the continuous portion are connected. The occurrence of tilting of the installation mechanism 6 can be suppressed.

  In the example of FIG. 2B, the smoke proof wall 2 is connected in a cross shape. The four units of the smoke proof wall 2 are joined so as to form an interval of 90 degrees in the connecting mechanism 6, and a load caused by the tensions F <b> 1 to F <b> 4 is generated by each unit. The tensions F1 and F2 act in opposite directions, and the tensions F3 and F4 act in opposite directions to balance the load. Inclination of the mechanism 6 can be suppressed.

  The example of FIG.2 (c) connects the smoke-proof wall 2 continuously in L shape. In this case, by connecting a tension applying mechanism such as the wire 11 to the connecting mechanism 6 and generating the load F3, a load in the opposite direction to the load caused by the tensions F1 and F2 can be formed and the load can be balanced. It is preferable that

  The wire 11 functions as a tension applying mechanism. For example, one end side of the wire 11 is connected to the ceiling side, and the other end side is connected to the lower end of the connecting mechanism 6 so that the wire 11 is far from the ceiling side. The load F3 for suppressing the inclination of the connecting mechanism 6 can be effectively applied to the lower end portion where the moment acts.

  Furthermore, it is preferable that the size of the load F3 can be adjusted by appropriately adjusting the length of the wire 11 with, for example, the turnbuckle 11a. In this way, it is possible to suppress the occurrence of inclination of the opposite wall side vertical frames 5 and 5 and the connecting mechanism 6.

  The example of FIG.2 (d) connects the smoke-prevention wall 2 in T shape. The three units of the smoke proof wall 2 are joined so as to form an interval of 90 degrees in the connecting mechanism 6, and loads F <b> 1 to F <b> 3 are generated by each unit. By generating the load F4 for suppressing the inclination of the connecting mechanism 6 by the wire 11, the load can be balanced, and the opposite wall side vertical frames 5, 5 and the connecting mechanism 6 can be inclined. It can be suppressed.

In the example of FIG. 2 (e), the smoke proof wall 2 is connected in a substantially "<" shape (about 120 degrees). In this case, it is preferable to form a load in the opposite direction to the load caused by the tensions F1 and F2 by connecting the wire 11 to the connecting mechanism 6 and generating the load F3. As a result, the load can be balanced, and the occurrence of inclination of the opposite wall side vertical frames 5 and 5 and the connecting mechanism 6 can be suppressed.
In addition, since the load balance can be adjusted in this way, the angle between the non-combustible sheets of each unit connected via the connecting portion can be freely set.

  Next, an embodiment of the continuous mechanism 6 will be described using examples. The following continuous arrangement mechanism 6 also functions as a so-called “direction”.

  As is apparent from the examples of FIGS. 1 and 2A, the connecting mechanism 6 includes a vertical member 61 that is suspended from the ceiling side, and at least two noncombustible sheets 70 are interposed via the vertical member 61. , 70 are connected, and the mounting angle of each non-combustible sheet 70, 70 in plan view with respect to the upright member 61 is configured to be adjustable.

  Thereby, according to the construction site, it is possible to appropriately respond to the needs of connecting a plurality of smoke proof wall 2 units in a straight line, an L shape, a T shape, a cross shape, and an arbitrary angle. it can.

  Explaining in detail below, as shown in FIGS. 3 and 4, the connecting mechanism 6 includes a circular vertical member 61 suspended from the ceiling surface 1. A disc-shaped ceiling mounting surface portion 61 a is provided on the top of the vertical member 61, and the ceiling mounting surface portion 61 a is fixed to the reinforcing material 13 on the back side of the ceiling surface 1 with screws 14 and 14.

  The non-wall-side vertical frame 5 is fixed to the outer peripheral surface 61 c of the vertical member 61. The non-wall-side vertical frame 5 includes an attachment shape member 5a and a rail member 5b.

  The attachment shape member 5a is a hollow long member, and has an attachment surface portion 5c having a circular arc shape in plan view for closely contacting along the outer peripheral surface 61c having a circular shape in plan view.

  The mounting surface portion 5 c of the mounting shape member 5 a is fixed to the outer peripheral surface 61 c of the vertical member 61 using screws 51. The fixing angle of the mounting member 5a with respect to the vertical member 61 in plan view is a configuration in which the mounting surface portion 5c having a circular arc shape in plan view is brought into close contact with the outer peripheral surface 61c having a circular shape in plan view. Can do. The fixing position of the screw 51 with respect to the longitudinal direction (vertical direction) of the vertical member 61 can be, for example, four places, but is not particularly limited.

  The rail member 5b is fixed to the mounting member 5a fixed to the vertical member 61 by using screws 52. This rail material 5b is a hollow long member, and a shaft member 71 for winding one end side of the non-combustible sheet 70 is provided inside. The shaft member 71 is configured to be fixed at an arbitrary fixed angle by a rotation stopping mechanism (not shown).

  And by adjusting the amount of winding of the non-combustible sheet 70 around the shaft member 71, the rotation of the non-combustible sheet 70 is adjusted and the wrinkles (wrinkles) generated in the non-combustible sheet 70 are adjusted by regulating the rotation by the rotation stop mechanism. It has a configuration that enables adjustment to be eliminated. That is, an adjustment mechanism that adjusts the tension of the non-combustible sheet 70 by adjusting the fixing angle of the shaft member 71 is configured.

  The other end of the incombustible sheet 70 is fixed to the sheet fixing mechanism 72 in the wall-side vertical frame 4, and the sheet fixing mechanism 72 in the wall-side vertical frame 4 and the opposite wall-side vertical frame. The non-combustible sheet 70 is installed with the lateral tension F <b> 1 stretched between the shaft members 71 in the frame 5.

  A plurality of opposite wall side vertical frames 5 can be fixed to the vertical member 61. And the fixed angle with respect to the standing member 61 in the planar view of each anti-wall side vertical frame 5 can be set arbitrarily. In the example of FIG. 4, it is shown that the opposite wall-side vertical frame 5 can be positioned at the positions A, B, and C, whereby the various embodiments shown in FIGS. 2 (a) to (e). Is feasible.

  The lower member 61 is provided with a disk-like lower base 61b in plan view. The lower base 61b has a plurality of connecting portions 61h and 61h for connecting one end of the wire 11. Is formed. In the present embodiment, connection portions 61h and 61h made of through holes are provided at a total of three locations so as to form an interval of 120 degrees in plan view.

  As shown in FIG. 3, the wire 11 is connected to a locking member 15 fixed to the ceiling surface 1 via, for example, a turnbuckle 11 a. By adjusting the turnbuckle 11a, the tension of the wire 11 can be adjusted.

  The wire 11 functions as a tension applying mechanism for generating a load F3 that opposes the tensions F1 and F2 of the non-combustible sheet 70, and is more effective than the case where there is no load F3. Can be suppressed.

  Further, by providing the lower base portion 61b at the lower end portion of the vertical member 61, when the fixing angle of the opposite wall side vertical frame 5 to the vertical member 61 is adjusted, the lower wall side vertical frame 5 is adjusted to the lower base portion 61b. It is possible to hold the anti-wall-side vertical frame 5 from the lower side, and it is possible to ensure good workability in high-altitude work.

  In the above configuration, the outer peripheral surface 61c of the upright member 61 may form a polygon (polyhedral upright member) such as an octagon and a hexagon in plan view. The mounting surface part 5c of 5a shall comprise the flat surface for respond | corresponding to the flat surface of the standing member 61 instead of making it planar-view circular arc shape.

  Thereby, it becomes possible to fix the opposite wall side vertical frame 5 in the specific angle with respect to the standing member 61, and the structure excellent in workability | operativity can be implement | achieved.

  FIG. 5 is a front sectional view showing the continuous mechanism 6A according to the second embodiment (corresponding to the cross section taken along line BB in FIG. 6B), and FIG. 6 is a plan sectional view showing the continuous mechanism 6A according to the second embodiment. It is (AA line cross section of FIG. 5).

  In the second embodiment, the continuous mechanism 6 </ b> A includes a tubular vertical member 62 suspended from the ceiling surface 1.

  The vertical member 62 has a cylindrical shaft 62C, a first columnar body 62A provided coaxially outside the cylindrical shaft 62C, and a fixed angle in plan view with respect to the first columnar body 62A. And a second columnar body 62B that can be configured.

  A disc-shaped ceiling mounting surface portion 62 a is provided at the upper end of the cylindrical shaft 62 </ b> C, and the ceiling mounting surface portion 62 a is fixed to the reinforcing material 13 on the back side of the ceiling surface 1 with screws 14 and 14. Further, by fixing the bottom plate portion 62b to the lower end portion of the cylindrical shaft 62C, the lower end portions of the first columnar body 62A and the second columnar body 62B are held from below by the bottom plate portion 62b. Yes.

  The first columnar body 62A includes a circular pipe part 62d and a wall part 62e having a circular arc shape (substantially semicircle) in a plan view surrounding the circular pipe part 62d. Between the outer peripheral surface of the circular pipe portion 62d and the inner peripheral surface of the wall portion 62e, a gap 62f having a circular arc shape in plan view is formed.

  The second columnar body 62B is configured to include a wall portion 62g having a circular arc shape (substantially semicircular) in plan view, and the wall portion 62g is inserted into the gap 62f of the first columnar body 62A. The columnar body 62B is assembled to the first columnar body 62A.

  In a state in which the wall 62g is inserted into the gap 62f, the axial centers of the first columnar body 62A and the second columnar body 62B coincide. The wall 62g of the second columnar body 62B is guided in the gap 62f, so that the second columnar body remains in a state where the axial centers of the first columnar body 62A and the second columnar body 62B are aligned. The relative angle in a plan view of 62B with respect to the first columnar body 62A can be changed.

  The outer peripheral portion of the wall portion 62e of the first columnar body 62A is engaged with the mounting shape member 5a of the opposite wall side vertical frame 5 at positions A and B separated from each other by 120 degrees in a plan view of the first columnar body 62A. Engagement parts 62x and 62y for mating are formed. The mounting profile 5a and the engaging portions 62x and 62y are provided with engaging protrusions 5k and 62k for engaging with each other.

  At the position C of the outer peripheral surface of the wall portion 62g of the second columnar body 62B, an engaging portion 62z for engaging with the mounting shape 5a of the opposite wall side vertical frame 5 is formed. The mounting profile 5a and the engaging portion 62z are provided with engaging protrusions 5k and 62k for engaging with each other.

  In the above configuration, the attachment member 5a can be attached by selecting an arbitrary one with respect to the engaging portions 62x, 62y, and 62z formed at the three positions A, B, and C, respectively. In the example of FIG. 6B, the attachment shape members 5a are attached to the positions B and C, respectively.

  And about the attachment shape 5a of the position C, the angle of the attachment shape 5a of the position C with respect to the attachment shape 5a of the position B can be adjusted by adjusting the angle of the 2nd columnar body 62B. Thereby, the relative angle of the two attachment shape members 5a (non-wall side vertical frame 5) can be adjusted. After adjusting the fixing angle of the second columnar body 62B, the mounting shape 5a is fastened to the cylindrical shaft 62C via the second columnar body 62B and the first columnar body 62A with a screw (not shown). The fixed angle of the attachment shape member 5a (second columnar body 62B) is determined.

  Further, if the attachment shape members 5a are attached to the positions A and B, a predetermined angle at which the attachment shape members 5a are separated from each other by 120 degrees can be formed.

  6A and 6B, the engaging portions 62x, 62y, and 62z are provided at a total of three locations. However, the number of the engaging portions may be two, or more locations. It is good also as providing in. In addition, the engaging portions 62x and 62y in the first columnar body 62A may be at other angles such as 90 degrees apart from each other. Even if it is not a protrusion-like engagement part like Example 2, if a mounting member is fixable, a cross-sectional shape will not ask | require.

  As described above, also in the configuration of the second embodiment, a plurality of smoke proof wall units are linear, L-shaped, T-shaped, cross-shaped, and further at an arbitrary angle according to the construction site. It is possible to respond appropriately to the needs to be connected.

  FIG. 7 is a front sectional view showing the connecting mechanism 6B according to the third embodiment. FIG. 8 is a plan sectional view showing the connecting mechanism 6B according to the third embodiment (cross section taken along line AA in FIG. 7).

  In the third embodiment, the continuous installation mechanism 6 </ b> B has a tubular vertical member 63 suspended from the ceiling surface 1.

  The vertical member 63 includes a cylindrical shaft 63C, an inner columnar body 63A, and an outer columnar body 63B provided coaxially on the outer side of the inner columnar body 63A. An annular gap 63s is formed between the inner columnar body 63A and the outer columnar body 63B.

  A disc-shaped ceiling mounting surface portion 63a is provided at the upper end portion of the cylindrical shaft 63C, and the ceiling mounting surface portion 63a is fixed to the reinforcing material 13 on the back side of the ceiling surface 1 with screws 14 and 14. In addition, a disc-shaped bottom plate portion 63b is provided at the lower end portion of the cylindrical shaft 63C.

  Two fixing members 64, 64 are disposed at a position that becomes the upper end portion of the vertical member 63. Each fixing member 64 has a horizontal plate portion 64a that forms a horizontal plane in the installed state, and an insertion piece portion 64b that is erected on the horizontal plate portion 64a and inserted from above into the gap 63s of the vertical member 63. Configured.

  The insertion piece 64b of the fixing member 64 forms an arc wall surface along the arc of the gap 63s so that the position can be adjusted in the circumferential direction in plan view with the axis of the inner columnar body 63A as the center. It has become.

  In the insertion piece portion 64b of the fixing member 64, a portion near the horizontal plate portion 64a is configured as a thick fixing surface portion 64c, and the upper end portion of the mounting shape member 5a is fixed to the fixing surface portion 64c.

  Similarly, two fixing members 64, 64 are disposed at a position below the vertical member 63. Each fixing member 64 has its insertion piece 64b inserted from below into the gap 63s of the upright member 63. The horizontal plate portion 64a of the fixing member 64 is held from the lower side by the bottom plate portion 63b, and the dropping of the fixing member 64 from the vertical member 63 is restricted.

  Then, one upper fixing member 64 and one lower fixing member 64 are combined into one set, and the upper end portion and the lower end portion of the mounting shape member 5a are fixed to each fixing member 64, respectively. The vertical frame 5 is attached to the vertical member 63 via the fixing members 64 and 64. In the present embodiment, two fixing members 64 are provided on the upper and lower sides, and a total of two opposite wall side vertical frames 5 (attachment shape members 5 a) are attached to the vertical member 63.

  In the above configuration, by rotating the fixing member 64 with respect to the vertical member 63, the fixing angle of the attachment shape member 5a (the opposite wall side vertical frame 5) with respect to the vertical member 63 can be adjusted. After adjusting the fixing angle of the mounting member 5a, the mounting member 5a is fastened to the cylindrical shaft 63C via the outer columnar body 63B and the inner columnar body 63A with a screw (not shown), thereby fixing the mounting member 5a. The angle is fixed.

  In the example of FIG. 8, the two anti-wall side vertical frames 5 are attached to the vertical member 63, but by increasing the number of the fixing members 64, a larger number of the anti-wall side vertical frames 5 are provided. It is good also as a structure attached.

  As described above, also in the configuration of the third embodiment, a plurality of smoke proof wall units are linear, L-shaped, T-shaped, cross-shaped, and at an arbitrary angle according to the construction site. It is possible to respond appropriately to the needs to be connected.

As is clear from the embodiment described above, the present invention can be implemented with the following configuration.
That is, as shown in FIG. 1 and FIG.
A smoke proof wall structure in which at least two units of the smoke proof wall 2 having the non-combustible sheet 70 are connected in series, each unit being connected through a continuous portion 60, and the non-combustible sheet 70 is arranged horizontally. It is a smoke-proof wall structure that is stretched with tension applied in the direction.

  Thereby, even if it is a case where it is the case where it is a structure where tension F1 and F2 are acted on incombustible sheet 70, by making the load resulting from tensions F1 and F2 act effectively, the member in connecting section 60 is made. Inclination can be prevented and an optimal installation state can be maintained.

  As shown in FIGS. 3 and 4, the connecting portion 60 is provided with an adjustment mechanism for adjusting the tension of the non-combustible sheets 70 and 70 of the two units. This adjustment mechanism is realized, for example, by adjusting the fixed angle of the shaft member 71 around which the non-combustible sheet 70 is wound.

  Thus, by providing the adjustment mechanism in the continuous portion 60, it is possible to maintain the balance of the load applied to the continuous portion 60.

  Also, as represented by the examples in FIGS. 3 and 4, the connecting portion 60 is provided with the connecting mechanism 6, and the attachment angle of the non-combustible sheet 70 with respect to the connecting mechanism 6 in a plan view can be adjusted. It is supposed to be configured.

  Thereby, according to the construction site, it is possible to appropriately respond to the needs of connecting a plurality of smoke proof wall 2 units in a straight line, an L shape, a T shape, a cross shape, and an arbitrary angle. it can.

  Moreover, as represented by the examples of FIGS. 3 and 4, the connecting mechanism 6 is for fixing at least two vertical frames (the opposite wall-side vertical frame 5) that hold one end of the non-combustible sheet 70. It has the standing member 61, and it is comprised so that the attachment angle in the planar view of the vertical frame with respect to a standing member can be made into arbitrary angle positions or a some specific angle position (example of FIG. 6).

  Thereby, by setting the angle of the vertical frame (opposite wall side vertical frame 5) with respect to the vertical member 61, the units of the plurality of smoke barriers 2 are linear, L-shaped, T-shaped, It is possible to appropriately respond to the need for connecting to a cross shape or an arbitrary angle.

In addition, as represented by the examples in FIGS. 3 and 4,
The vertical member 61 functions as a holding portion that supports the vertical frame (anti-wall side vertical frame 5) from below before the vertical frame (anti-wall side vertical frame 5) is fixed to the vertical member 61. A lower base portion 61b is provided.

  Thereby, when adjusting the fixed angle of the vertical frame (anti-wall side vertical frame 5) with respect to the vertical member 61, it becomes possible to hold the vertical frame (anti-wall side vertical frame 5) from the lower side. Good workability can be ensured in the work.

In addition, as represented by the examples in FIGS. 3 and 4,
The continuous section 60 is
A wire 11 as a tension applying mechanism for balancing the load acting from the non-combustible sheet 70 is configured to be attachable.

  Thereby, compared with the case where a tension | tensile_strength provision mechanism is not provided, the balance of the load which acts on the vertical member 61 can be adjusted, and generation | occurrence | production of the inclination of the vertical member 61 after installation is suppressed more effectively. be able to. In addition, by making it possible to adjust the load balance in this way, the angle between the non-combustible sheets of each unit connected via the connecting portion can be freely set. For example, FIG. As shown in the variation, it is possible to continuously form an L shape, a T shape, a cross shape, and an arbitrary angle (substantially "<" shape)).

  Further, in the present invention, there is provided a method for constructing a smoke proof wall structure in which units of smoke proof wall having non-combustible sheets are continuously provided, and for the continuous installation arranged on the ceiling surface 1 in the continuous portion 60. A step of installing the vertical member 61 of the mechanism 6; a step of positioning the vertical frame (an anti-wall side vertical frame 5) holding the one end of the non-combustible sheet 70 with respect to the vertical member 61; A method for constructing a smoke-proof wall structure, including a step of fixing the vertical frame (the anti-wall side vertical frame 5) positioned to the vertical member 61 and a step of stretching the non-combustible sheet 70 in the lateral direction. Can be realized.

  Thereby, according to the construction site, it is possible to appropriately respond to the needs of connecting a plurality of smoke proof wall 2 units in a straight line, an L shape, a T shape, a cross shape, and an arbitrary angle. it can.

  INDUSTRIAL APPLICABILITY The present invention can be widely applied to smoke proof walls that are installed on the ceiling of large stores, office buildings, public facilities, and the like.

DESCRIPTION OF SYMBOLS 1 Ceiling surface 2 Smoke prevention wall 3 Upper frame 4 Wall side vertical frame 5 Anti-wall side vertical frame 6 Mechanism for connecting 60 Standing member 61 Standing member 70 Nonflammable sheet

Claims (3)

A smoke proof wall structure in which at least two units of a smoke proof wall having an incombustible sheet are connected in series,
Each unit is connected via a continuous portion,
The non-combustible sheet has a smoke-proof wall structure that is stretched in the lateral direction. The continuous portion is provided with an adjusting mechanism for adjusting the tension of the non-combustible sheet of the two units.
The smoke proof wall structure according to claim 1. The connecting portion is
A tension applying mechanism for balancing the load acting from the non-combustible sheet is configured to be attachable.
The smoke proof wall structure according to any one of claims 1 and 2.

Images