JP2019017841A - Smokeproof panel and assembling method thereof - Google Patents

Abstract

To provide a configuration of accurately and smoothly applying tension to a smokeproof sheet for preventing an occurrence of crease and bending, regardless of a level of proficiency, in the smokeproof panel of a smoke barrier, and assembling method.SOLUTION: A smokeproof panel 1 for use in a smoke barrier includes: a smokeproof sheet 2 having flexibility; horizontal frames 3 and 4 for fixing an upper end or a lower end of the smokeproof sheet 2; vertical frames 5 fixing side ends of the smokeproof sheet 2 to form corners along with the horizontal frames 3 and 4; screws 6 that, in a state of being inserted in screw holes 5a formed at ends of the vertical frames 5 as one of the horizontal frames 3 and 4 and the vertical frames 5, are threadedly engaged with screw holes 3a and 4a formed at ends of the horizontal frames 3 and 4 as the other of the horizontal frames 3 and 4 and the vertical frames 5 so as to fasten the vertical frames 5 as one of the horizontal frames 3 and 4 and the vertical frames 5 to the horizontal frames 3 and 4 as the other; and adjustment plates 7 that are so inserted as to be located near the inner sides of the corners more than the screws 6 between the horizontal frames 3 and 4 and the vertical frames 5.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a smoke-proof panel used for a smoke-proof wall.

  Conventionally, in a smoke proof wall that forms a smoke proof section with a smoke proof panel having a flexible smoke proof sheet, many of the non-flammable smoke proof sheets are rectangularly fixed with a frame material. Has been put on the market. Even in a structure in which the four sides are fixed with a frame, the smoke-proof sheet may be wrinkled or bent during manufacture. In order to prevent the occurrence of such wrinkles and bends, there is known a structure having a structure that pulls the smoke-proof sheet at the time of manufacture and applies tension to the smoke-proof sheet. For example, Patent Literature 1 and Patent Literature 2 disclose this type of smoke proof wall.

  In the configurations of Patent Document 1 and Patent Document 2, an adjustment screw is screwed into the vertical frame by screwing an adjustment screw (set screw) so as to be mounted in parallel with a coupling screw (such as a tapping screw or wood screw) that fastens the vertical frame to the horizontal frame. An appropriate clearance is provided between the vertical frame and the horizontal frame while abutting against the end of the horizontal frame. Thereafter, by tightening the coupling screw, the vertical frame and the horizontal frame are relatively spread with the tip of the adjustment screw as a fulcrum, so that tension is applied to the smoke-proof sheet.

JP 2006-129582 A JP, 2006-077311, A

  In the structure described in Patent Document 1 and Patent Document 2, since the clearance is provided between the vertical frame and the horizontal frame by screwing the adjustment screw, artificial variation in the amount of screwing the adjustment screw. Will occur. For example, depending on the proficiency level of the operator's work, it is conceivable that tension is not properly applied to the smoke-proof sheet. There was room for improvement in terms of improving assembly so that the worker can stably apply the smoke-proof sheet regardless of the skill level.

  In the smoke-proof panel of the smoke-proof wall, the present invention is configured so that anyone can accurately and smoothly perform the tensioning operation to the smoke-proof sheet for preventing the occurrence of wrinkles and bending regardless of the level of proficiency etc. And an assembly method.

  A smoke-proof panel (for example, a smoke-proof panel 1 or 11 described later) used for a smoke-proof wall, a flexible smoke-proof sheet (for example, a smoke-proof sheet 2 described later), and the smoke-proof sheet A horizontal frame (for example, horizontal frames 3 and 4 to be described later) for fixing the upper end portion or the lower end portion of the frame, and a vertical frame (for example, to be described later) for fixing a side end portion of the smokeproof sheet and forming a corner with the horizontal frame And the other of the horizontal frame and the vertical frame in a state of being inserted into a fastening hole (for example, a screw hole 5a described later) formed at one end of the horizontal frame and the vertical frame. A fastening member (for example, described later) that fastens one of the horizontal frame and the vertical frame to the other by being screwed into a fastening hole (for example, threaded holes 3a and 4a described later) formed at the end. Screw 6), and between the horizontal frame and the vertical frame, located closer to the inside of the corner than the fastening member Uni the inserted adjusting member (e.g., below the adjustment plate 7, 17) and relates to smoke panel with.

  The adjusting member has a flat plate shape or a sheet shape, and a length of a portion inserted between the horizontal frame and the vertical frame hits the fastening member, or hits the fastening member. The length up to this side is preferable.

  The adjusting member has a wedge shape in which one end is thin and thick toward the other end, and has a shape in which a notch (for example, a notch 17a described later) is formed in the one end. It is preferable that the fastening member is disposed inside the notch by being inserted between the horizontal frame and the vertical frame from the side.

  An assembling method for assembling the smoke proof panel, wherein one of the horizontal frame and the vertical frame is fastened to the other by the fastening member (for example, fastening step S100 described later), and the horizontal frame and the vertical frame. A step of fixing the smoke-proof sheet (for example, a sheet fixing step S200 described later) and a step of loosening the fastening member to form a gap between the horizontal frame and the vertical frame (for example, a gap forming step described later) S300), a step of inserting the adjustment member into the gap from the inside of a corner formed by the horizontal frame and the vertical frame (for example, an adjustment plate insertion step S400 described later), and the horizontal frame and the vertical frame The present invention relates to an assembling method including a step of refastening one to the other with the fastening member (for example, a refastening step S500 described later).

  According to the smoke-proof panel and the method of assembling the same according to the present invention, anyone can accurately and smoothly apply tension to the smoke-proof sheet for preventing the occurrence of wrinkles and bending regardless of their proficiency level.

It is a front view of the smoke proof panel concerning a 1st embodiment of the present invention. It is sectional drawing of the smoke-proof panel seen in the arrow II-II direction shown in FIG. (A) is a front view of the adjustment board with which the smoke-proof panel shown in FIG. 1 is provided, (B) is a side view of the said adjustment board. It is a flowchart which shows the procedure of the assembly method of the smoke-proof panel shown in FIG. (A) is a front view which expands and shows a part of smoke prevention panel before a re-fastening process, (B) is a front view which expands and shows a part of smoke-proof panel in a re-fastening process. . It is a front view of the smoke-proof panel which concerns on 2nd Embodiment of this invention. It is sectional drawing of the smoke-proof panel seen in the arrow VII-VII direction shown in FIG. (A) is a front view of the adjustment board with which the smoke-proof panel shown in FIG. 6 is provided, (B) is a side view of the said adjustment board.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the description of the second embodiment, the same reference numerals are assigned to configurations common to the first embodiment, and the corresponding configurations are denoted by the same regularity, and the description thereof is omitted as appropriate. In the description of the second embodiment, the description of the operations and effects common to the first embodiment will be omitted as appropriate.

[First Embodiment]
FIG. 1 is a front view of a smoke-proof panel 1 according to the first embodiment of the present invention. 2 is a cross-sectional view of the smoke-proof panel 1 viewed in the direction of the arrow II-II shown in FIG. FIG. 3A is a front view of the adjustment plate 7 provided in the smoke-proof panel 1 shown in FIG. FIG. 3B is a side view of the adjustment plate 7.

  A smoke-proof panel 1 shown in FIG. 1 and FIG. 2 is used for a smoke-proof wall that forms a smoke-proof section in which a plurality of panels are arranged in a horizontal direction between ceilings, walls, or pillars inside a building. is there. As a method for fixing the smoke-proof panel 1, a method of inserting it inside a frame member (not shown) fixed to the ceiling or wall and fastening it with screws or the like in this state can be adopted. .

  The smoke-proof panel 1 includes a smoke-proof sheet 2, a pair of upper and lower horizontal frames 3 and 4, a pair of left and right vertical frames 5, four screws (fastening members) 6, and four adjustment plates 7. I have.

  The smoke-proof sheet 2 is a rectangular sheet made of a non-flammable and flexible transparent or translucent material. The upper end portion of the smokeproof sheet 2 is fixed to the horizontal frame 3 disposed above by a double-sided tape (not shown) or an adhesive. The lower end portion of the smokeproof sheet 2 is fixed to the horizontal frame 4 disposed below by a double-sided tape (not shown) or an adhesive. The left and right side end portions of the smokeproof sheet 2 are fixed to a pair of left and right vertical frames 5 by double-sided tape (not shown), respectively.

  The horizontal frame 3 disposed above fixes the upper end of the smoke-proof sheet 2 with a double-sided tape (not shown) or an adhesive. The horizontal frame 3 has a pair of screw holes (fastening holes) 3a formed at both ends and extending in the horizontal direction. The vertical frame 5 is fastened to the end of the horizontal frame 3 by screwing screws 6 inserted into screw holes (fastening holes) 5a formed in the vertical frame 5 into the screw holes 3a. .

  The horizontal frame 4 arrange | positioned below fixes the lower end part of the smoke-proof sheet 2 with a double-sided tape (illustration omitted) or an adhesive agent. The horizontal frame 4 has a pair of screw holes (fastening holes) 4a formed at both ends and extending in the horizontal direction. The vertical frame 5 is fastened to the end portion of the horizontal frame 4 by screwing screws 6 inserted into screw holes 5a formed in the vertical frame 5 into the screw holes 4a.

  The pair of left and right vertical frames 5 fix the side ends of the smoke-proof sheet 2 with a double-sided tape (not shown) or an adhesive. The pair of left and right vertical frames 5 have a pair of screw holes 5a formed at both ends and penetrating in the lateral direction. Such a pair of left and right vertical frames 5 has screws 6 inserted into the upper screw holes 5 a screwed into screw holes 3 a formed in the horizontal frame 3, so that the ends of the horizontal frame 3 It is concluded. Further, the pair of left and right vertical frames 5 are fastened to the end portions of the horizontal frame 4 by screws 6 inserted into the lower screw holes 5 a being screwed into screw holes 4 a formed in the horizontal frame 4. Has been.

  The screw 6 fastens the vertical frame 5 to the horizontal frames 3 and 4, and a tapping screw, a wood screw, or the like is adopted. Specifically, the screw 6 is screwed into a screw hole 3 a formed at the end of the horizontal frame 3 in a state of being inserted into a screw hole 5 a formed at the upper end of the vertical frame 5. The vertical frame 5 is fastened to the horizontal frame 3. Further, the screw 6 is screwed into the screw hole 4a formed in the end portion of the horizontal frame 4 while being inserted into the screw hole 5a formed in the lower end portion of the vertical frame 5, thereby The frame 5 is fastened to the horizontal frame 4.

  As shown in FIGS. 3A and 3B, the adjustment plate 7 is a rectangular flat plate member made of a flexible material. For example, it is desirable that the adjustment plate 7 be formed of the same material as the smokeproof sheet 2.

  Returning to FIG. 1 and FIG. The adjustment plate 7 is inserted between the horizontal frames 3, 4 and the vertical frame 5 from the center side in the vertical frame 5 (inside the corner formed by the horizontal frames 3, 4 and the vertical frame 5). The insertion direction at this time is along the expected surface inside the vertical frame 5. The center side in the vertical frame 5 may be expressed as the center side in the longitudinal direction of the vertical frame 5, and the side away from the connecting portion of the horizontal frame 3 (or the horizontal frame 4) in the vertical frame 5. It may be expressed.

  The length of the portion of the adjustment plate 7 inserted between the horizontal frames 3 and 4 and the vertical frame 5 is the length l before reaching the screw 6 (<the length L contacting the screw 6). In FIG. 2, the upper end portion of the adjustment plate 7 protrudes, but all of the adjustment plate 7 may enter the gap.

  Next, the procedure of the method for assembling the smoke-proof panel 1 will be described with reference to FIGS. 4, 5 (A) and 5 (B). FIG. 4 is a flowchart showing the procedure of the method for assembling the smoke-proof panel 1. FIG. 5A is an enlarged front view showing a part of the smoke-proof panel 1 before the re-fastening step S500. FIG. 5B is an enlarged front view showing a part of the smoke-proof panel 1 in the refastening step S500.

  As shown in FIG. 4, the method for assembling the smoke-proof panel 1 includes a fastening step S100, a sheet fixing step S200, a gap forming step S300, an adjusting plate inserting step S400, and a refastening step S500. .

  The fastening step S100 is a step of assembling a rectangular frame by fastening the vertical frame 5 to the horizontal frames 3 and 4 with screws 6. The sheet fixing step S200 is a step of fixing the smoke-proof sheet 2 to the horizontal frames 3 and 4 and the vertical frame 5 assembled into a rectangular frame with a double-sided tape (not shown). The gap forming step S300 is a step of loosening the screw 6 to form a gap between the horizontal frames 3 and 4 and the vertical frame 5. The adjustment plate insertion step S400 is a step of inserting the adjustment plate 7 into the gap formed between the horizontal frames 3 and 4 and the vertical frame 5. The refastening step S500 is a step of refastening the vertical frame 5 to the horizontal frames 3 and 4 with the screws 6.

  As shown in FIG. 5A, the smoke-proof sheet 2 may be wrinkled or bent before the refastening step S500. As shown in FIG. 5B, in the re-fastening step S500, the screws 6 are screwed so that the horizontal frames 3 and 4 and the vertical frame 5 that are arranged substantially at right angles to each other have an obtuse angle with the adjustment plate 7 as a fulcrum. Since it tries to open, the smoke proof sheet 2 is pulled vertically and horizontally.

According to the embodiment described above, the following effects can be obtained.
The smoke-proof panel 1 includes a flexible smoke-proof sheet 2, horizontal frames 3 and 4 that fix the upper end or lower end of the smoke-proof sheet 2, and side edges of the smoke-proof sheet 2. The vertical frame 5 that forms a corner with the frames 3 and 4, and the horizontal frame 3 in a state of being inserted into a screw hole 5 a formed at the end of the vertical frame 5 that is one of the horizontal frames 3 and 4 and the vertical frame 5. 4 and a vertical frame that is one of the horizontal frame 3 and 4 and the vertical frame 5 by being screwed into screw holes 3a and 4a formed at the ends of the horizontal frame 3 and 4 that are the other of the vertical frame 5 5 and the adjustment plate 7 inserted between the horizontal frames 3 and 4 and the vertical frame 5 so as to be positioned closer to the inside of the corner than the screws 6. And comprising.
The smoke-proof panel 1 is assembled by a fastening step S100 in which the vertical frame 5 which is one of the horizontal frames 3 and 4 and the vertical frame 5 is fastened to the horizontal frames 3 and 4 which are the other by screws 6, and the horizontal frame 3 , 4 and the vertical frame 5, the sheet fixing step S200 for fixing the smoke-proof sheet 2, the gap forming step S300 for loosening the screw 6 to form a gap between the horizontal frames 3, 4 and the vertical frame 5, and the horizontal frame 3 , 4 and the vertical frame 5, the adjustment plate insertion step S400 for inserting the adjustment plate 7 into the gap formed between the horizontal frames 3, 4 and the vertical frame 5 from the inside of the corner, and the horizontal frames 3, 4 and A re-fastening step S500 in which the vertical frame 5 which is one of the vertical frames 5 is fastened to the horizontal frames 3 and 4 which are the other with screws 6.

  Thereby, the amount of adjustment when forming the gap is quantified, and an appropriate tension can be applied to the smoke-proof sheet 2 reliably and easily. Therefore, regardless of the level of proficiency in work, no variation in tension occurs regardless of who assembles. Since the assembling work of the smoke-proof panel 1 becomes easy, the working time can be shortened.

  Further, in the present embodiment, the adjustment plate 7 has a flat plate shape, and the length of the portion inserted between the horizontal frames 3 and 4 and the vertical frame 5 is the length up to the point where it hits the screw 6. It is l.

  Thereby, in the refastening process S500, when the horizontal frames 3 and 4 and the vertical frame 5 which are arrange | positioned substantially mutually at right angles are going to open at an obtuse angle, the adjustment board 7 used as a fulcrum, and the screw 6 used as a power point A distance can be provided between them. As a result, the horizontal frames 3 and 4 and the vertical frame 5 can be reliably opened, and the smokeproof sheet 2 can be reliably pulled.

[Second Embodiment]
FIG. 6 is a front view of the smoke-proof panel 11 according to the second embodiment of the present invention. FIG. 7 is a cross-sectional view of the smoke-proof panel 11 viewed in the direction of arrows VII-VII shown in FIG. FIG. 8A is a front view of the adjustment plate 17 provided in the smoke-proof panel 11 shown in FIG. FIG. 8B is a side view of the adjustment plate 17.

  As shown in FIGS. 6 and 7, the smoke-proof panel 11 according to this embodiment is different from the first embodiment in that an adjustment plate 17 is provided instead of the adjustment plate 7.

  As shown in FIGS. 8A and 8B, the adjustment plate 17 is made of a metal material and has a wedge shape (tapered in a side view) having one end thin and thick toward the other end, and , And having a shape in which a notch 17a is formed at one end. The adjustment plate 17 is preferably made of a metal material such as aluminum.

  Returning to FIG. 6 and FIG. The adjustment plate 17 is inserted between the horizontal frames 3 and 4 and the vertical frame 5 from the one end side, so that the screw 6 is disposed inside the notch 17a.

According to the embodiment described above, the following effects can be obtained.
In the present embodiment, the adjustment plate 17 has a wedge shape in which one end is thin and thick toward the other end, and has a shape in which a notch 17a is formed in one end, and the horizontal frame from the one end side. By being inserted between 3 and 4 and the vertical frame 5, the screw 6 is arrange | positioned inside the notch 17a.

  Thereby, since the adjustment plate 17 is wedge-shaped, it becomes easy to insert the adjustment plate 17 in the adjustment plate insertion step S400, so that the working time can be further shortened. Moreover, since the screw 6 is located inside the notch 17a, the insertion amount of the adjustment plate 17 can also be quantified.

  As mentioned above, although preferable embodiment of the smoke-proof panels 1 and 11 of this invention was described, this invention is not restrict | limited to embodiment mentioned above and can change suitably.

  For example, instead of a mode in which the vertical frame 5 is fastened to the horizontal frames 3 and 4, the horizontal frames 3 and 4 may be fastened to the vertical frame 5. In this case, the horizontal frames 3 and 4 are fastened to the end portions of the vertical frame 5 by the screws 6 inserted into the screw holes at the end portions being screwed into the screw holes formed in the vertical frame 5. Will be.

  In the first embodiment, the adjustment plate 7 is formed of a flexible material, but is not limited thereto. For example, a plate-like member that does not have flexibility can be used. In the second embodiment, the adjustment plate 17 is made of a metal material, but may be made of a material having flexibility similar to that of the first embodiment.

  Moreover, it is good also as a structure which adds the adjustment screw (adjustment screw) for adjustment in order to perform adjustment at the time of construction at the field to the said embodiment similarly to a prior art. Also in this configuration, the adjustment plate 7 or the adjustment plate 17 can eliminate the variation in gaps caused by workers when assembling the smoke prevention panels 1 and 11 at the factory. 11 quality can be further improved.

  In the above embodiment, “double-sided tape or adhesive” is used as means for fixing the smoke-proof sheet 2 to the horizontal frames 3 and 4 and the vertical frame 5, but is not limited to this. It can also be fixed with a rivet together with a double-sided tape or adhesive depending on the installation environment of the smoke proof wall. Rivets are more preferable in terms of improving temperature resistance because they are less soluble than double-sided tapes or adhesives even at high temperatures.

  In the above embodiment, when assembling the factory, the number of adjusting plates is appropriately adjusted depending on the material of the smokeproof sheet (whether it is PVC or ester), the assembly time (summer or winter), and the installation environment. Tension adjustment can be performed in advance.

  Further, in the above embodiment, a plurality of adjustment plates are stacked in addition to the adjustment plates that have already been arranged as those for adjusting the wrinkles due to the elongation due to the installation environment of the smoke-proof sheet generated during construction on site or after delivery. It is possible to apply tension to the smoke-proof sheet by arranging and tightening the screws.

1,11 Smokeproof panel 2 Smokeproof sheet 3 Horizontal frame 3a Screw hole 4 Horizontal frame 4a Screw hole 5 Vertical frame 5a Screw hole 6 Screw 7, 17 Adjustment plate (Adjustment member)
17a Notch S100 Fastening process S200 Sheet fixing process S300 Gap formation process S400 Adjustment plate insertion process S500 Refastening process

Claims (4)

A smoke-proof panel used for a smoke-proof wall,
A smoke-proof sheet having flexibility;
A horizontal frame for fixing the upper end or lower end of the smoke-proof sheet;
A vertical frame that fixes a side edge of the smoke-proof sheet and forms a corner with the horizontal frame;
By being inserted into a fastening hole formed at one end of the horizontal frame and the vertical frame and screwed into a fastening hole formed at the other end of the horizontal frame and the vertical frame. A fastening member fastening one of the horizontal frame and the vertical frame to the other;
An adjustment member inserted between the horizontal frame and the vertical frame so as to be positioned closer to the inside of the corner than the fastening member;
Smokeproof panel with.   The adjusting member has a flat plate shape or a sheet shape, and a length of a portion inserted between the horizontal frame and the vertical frame hits the fastening member, or hits the fastening member. The smoke-proof panel according to claim 1, which has a length up to this side.   The adjustment member has a wedge shape in which one end is thin and thick toward the other end, and a notch is formed in the one end, and the horizontal frame and the vertical are formed from the one end. The smoke-proof panel according to claim 1, wherein the fastening member is disposed inside the notch by being inserted between frames. An assembly method for assembling the smoke-proof panel according to claim 1,
Fastening one of the horizontal frame and the vertical frame to the other with the fastening member;
Fixing the smoke-proof sheet to the horizontal frame and the vertical frame;
Loosening the fastening member to form a gap between the horizontal frame and the vertical frame;
Inserting the adjustment member into the gap from the inside of a corner formed by the horizontal frame and the vertical frame;
Re-fastening one of the horizontal frame and the vertical frame to the other with the fastening member.

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