JP6896544B2 - Smokeproof panel and its assembly method - Google Patents

Description

The present invention relates to a smokeproof panel used for a smokeproof wall.

Conventionally, in a smoke-proof wall in which a smoke-proof section is formed by a smoke-proof panel having a flexible smoke-proof sheet, the four sides of the non-combustible smoke-proof sheet are fixed with a frame material to form a rectangular shape. It has been put on the market. Even in a structure in which all sides are fixed with a frame, the smoke-proof sheet may be wrinkled or bent during manufacturing. In order to prevent the occurrence of such wrinkles and bending, those having a structure in which the smoke-proof sheet is pulled at the time of manufacture to apply tension to the smoke-proof sheet are known. For example, Patent Document 1 and Patent Document 2 disclose this kind of smoke-proof wall.

In the configuration of Patent Document 1 and Patent Document 2, the adjusting screw (set screw) is screwed into the vertical frame so as to be attached in parallel to the coupling screw (tapping screw, wood screw, etc.) that fastens the vertical frame to the horizontal frame. Provide an appropriate clearance between the vertical frame and the horizontal frame while abutting the screw against the end of the horizontal frame. After that, by tightening the coupling screw, the vertical frame and the horizontal frame relatively expand with the tip of the adjusting screw as a fulcrum, so that tension is applied to the smoke-proof sheet.

Japanese Unexamined Patent Publication No. 2016-129582 Japanese Unexamined Patent Publication No. 2016-077311

In the structures described in Patent Document 1 and Patent Document 2, a clearance is provided between the vertical frame and the horizontal frame by screwing the adjusting screw, so that the amount of screwing the adjusting screw is artificially varied. Will occur. For example, depending on the proficiency level of the worker's work, it is conceivable that tension may not be appropriately applied to the smoke-proof sheet. There was room for improvement in terms of improving the assembling property so that the operator could stably stretch the smoke-proof sheet regardless of the skill level.

According to the present invention, in the smoke-proof panel of the smoke-proof wall, anyone can accurately and smoothly perform the work of applying tension to the smoke-proof sheet to prevent the occurrence of wrinkles and bending regardless of the proficiency level or the like. And to provide an assembly method.

A smoke-proof panel (for example, smoke-proof panels 1 and 11 described later) used for a smoke-proof wall, and a flexible smoke-proof sheet (for example, smoke-proof sheet 2 described later) and the smoke-proof sheet. A horizontal frame (for example, horizontal frames 3 and 4 described later) for fixing the upper end portion or the lower end portion of the smoke-proof sheet, and a vertical frame (for example, described later) for fixing the side end portions of the smoke-proof sheet to form a corner with the horizontal frame. 5) 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, screw holes 3a, 4a described later) formed at an end portion. 6) and an adjusting member (for example, adjusting plates 7 and 17 described later) inserted between the horizontal frame and the vertical frame so as to be located closer to the inside of the corner than the fastening member. Regarding smokeproof panels to be equipped.

The adjusting member has a flat plate shape or a sheet shape, and the length of the portion inserted between the horizontal frame and the vertical frame abuts on the fastening member or the fastening member. It is preferably the length up to the front.

The adjusting member has a wedge shape in which one end is thin and thickens 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, and the one end of the adjusting member. It is preferable that the fastening member is arranged inside the notch by being inserted between the horizontal frame and the vertical frame from the side.

An assembly method for assembling the smoke-proof panel, wherein one of the horizontal frame and the vertical frame is fastened to the other with the fastening member (for example, a 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 adjusting member into the gap from the inside of the corner formed by the horizontal frame and the vertical frame (for example, an adjusting plate inserting step S400 described later), and the horizontal frame and the vertical frame. The present invention relates to an assembly 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 of the present invention and the method of assembling the same, anyone can accurately and smoothly perform the work of applying tension to the smoke-proof sheet for preventing the occurrence of wrinkles and bending regardless of the proficiency level or the like.

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

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 given to the configurations common to those of the first embodiment, and the corresponding configurations are given reference numerals according to the same regularity, and the description thereof will be omitted as appropriate. Further, in the description of the second embodiment, the description of the actions and effects common to those of the first embodiment will be omitted as appropriate.

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

The smoke-proof panel 1 shown in FIGS. 1 and 2 is used for a smoke-proof wall in which a plurality of smoke-proof panels 1 are arranged side by side in a horizontal direction between ceilings, walls or pillars inside a building to form a smoke-proof section. is there. As a method of fixing the smoke-proof panel 1, a method of inserting the smoke-proof panel 1 inside a frame member (not shown) fixed to the ceiling or wall and fastening with screws or the like in this state to suspend and fix the smoke-proof panel 1 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 adjusting plates 7. I have.

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

The horizontal frame 3 arranged above fixes the upper end portion of the smoke-proof sheet 2 with 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 lateral direction. A vertical frame 5 is fastened to the end of the horizontal frame 3 by screwing a screw 6 inserted into a screw hole (fastening hole) 5a formed in the vertical frame 5 into the screw hole 3a. ..

The horizontal frame 4 arranged below fixes the lower end portion of the smoke-proof sheet 2 with double-sided tape (not shown) or an adhesive. The horizontal frame 4 has a pair of screw holes (fastening holes) 4a formed at both ends and extending in the lateral direction. A vertical frame 5 is fastened to the end of the horizontal frame 4 by screwing a screw 6 inserted into a screw hole 5a formed in the vertical frame 5 into the screw hole 4a.

The pair of left and right vertical frames 5 have the side ends of the smokeproof sheet 2 fixed with 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. In such a pair of left and right vertical frames 5, the screws 6 inserted into the upper screw holes 5a are screwed into the screw holes 3a formed in the horizontal frame 3, so that the left and right vertical frames 5 are at the ends of the horizontal frame 3. It has been concluded. Further, the pair of left and right vertical frames 5 are fastened to the ends of the horizontal frame 4 by screwing the screws 6 inserted into the lower screw holes 5a into the screw holes 4a formed in the horizontal frame 4. Has been done.

The screw 6 is for fastening 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 the screw hole 3a formed at the end of the horizontal frame 3 in a state of being inserted into the screw hole 5a 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 vertically inserted into the screw hole 4a formed at the end of the horizontal frame 4 in a state of being inserted into the screw hole 5a formed at the lower end of the vertical frame 5. The frame 5 is fastened to the horizontal frame 4.

As shown in FIGS. 3 (A) and 3 (B), the adjusting plate 7 is a rectangular flat plate-shaped member made of a flexible material. For example, it is desirable that the adjusting plate 7 is made of the same material as the smoke-proof sheet 2.

It will be described back to FIG. 1 and FIG. The adjusting plate 7 is inserted between the horizontal frames 3 and 4 and the vertical frame 5 from the center side of the vertical frame 5 (inside the corner composed of the horizontal frames 3 and 4 and the vertical frame 5). The insertion direction at this time is along the prospective surface inside the vertical frame 5. The central side of the vertical frame 5 may be expressed as the central side of the vertical frame 5 in the longitudinal direction, or the side of the vertical frame 5 that is separated from the connecting portion of the horizontal frame 3 (or the horizontal frame 4). It may be expressed.

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

Next, the procedure of the method of 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 of assembling the smoke-proof panel 1. FIG. 5A is an enlarged front view showing a part of the smoke-proof panel 1 before the refastening 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 of 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 in a rectangular frame with 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 adjusting plate inserting step S400 is a step of inserting the adjusting 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 screws 6.

As shown in FIG. 5A, wrinkles and bending may occur in the smoke-proof sheet 2 before the refastening step S500. As shown in FIG. 5B, in the refastening step S500, by screwing the screw 6, the horizontal frames 3 and 4 and the vertical frame 5 arranged at substantially right angles to each other become obtuse angles with the adjusting plate 7 as a fulcrum. As it tries to open, the smoke-proof sheet 2 is pulled up, down, left and right as a whole.

According to the above-described embodiment described above, the following effects are obtained.
The smoke-proof panel 1 has a flexible smoke-proof sheet 2, horizontal frames 3 and 4 for fixing the upper end or lower end of the smoke-proof sheet 2, and side ends of the smoke-proof sheet 2 fixed to the side. The horizontal frames 3 and 4 are inserted into the vertical frames 5 forming the corners with the frames 3 and 4 and the screw holes 5a formed at the ends of the vertical frames 5 which are one of the horizontal frames 3 and 4 and the vertical frames 5. 4 and the vertical frame which is one of the horizontal frames 3 and 4 and the vertical frame 5 by being screwed into the screw holes 3a and 4a formed at the ends of the horizontal frames 3 and 4 which are the other of the vertical frames 5. The screw 6 that fastens the 5 to the other horizontal frame 3 and 4, and the adjusting plate 7 that is inserted between the horizontal frame 3 and 4 and the vertical frame 5 so as to be located closer to the inside of the corner than the screw 6. And.
Further, the method of assembling the smoke-proof panel 1 includes a fastening step S100 in which one of the horizontal frames 3 and 4 and the vertical frame 5 is fastened to the other horizontal frame 3 and 4 with screws 6, and the horizontal frame 3 , 4 and the sheet fixing step S200 for fixing the smoke-proof sheet 2 to the vertical frame 5, the gap forming step S300 for loosening the screws 6 to form a gap between the horizontal frames 3 and 4 and the vertical frame 5, and the horizontal frame 3 , 4 and 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 formed by the vertical frame 5, and the horizontal frames 3, 4 and The refastening step S500 of refastening the vertical frame 5 which is one of the vertical frames 5 to the horizontal frames 3 and 4 which is the other with screws 6 is included.

As a result, the amount of adjustment when forming the gap is quantified, and an appropriate tension can be reliably and easily applied to the smoke-proof sheet 2. Therefore, regardless of the proficiency level of the work, no matter who assembles it, the tension does not vary. Since the assembly work of the smoke-proof panel 1 becomes easy, the work time can be shortened.

Further, in the present embodiment, the adjusting 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 before it hits the screw 6. It is l.

As a result, in the refastening step S500, the adjusting plate 7 serving as a fulcrum when the horizontal frames 3 and 4 and the vertical frame 5 arranged at substantially right angles to each other try to open at an obtuse angle, and the screw 6 serving as a force 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 smoke-proof 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 as viewed in the directions of arrows VII-VII shown in FIG. FIG. 8A is a front view of the adjusting plate 17 included in the smokeproof panel 11 shown in FIG. FIG. 8B is a side view of the adjusting plate 17.

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

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

It will be described back to FIG. 6 and FIG. The adjusting plate 17 is inserted between the horizontal frames 3 and 4 and the vertical frame 5 from one end side, so that the screw 6 is arranged inside the notch 17a.

According to the above-described embodiment described above, the following effects are obtained.
In the present embodiment, the adjusting plate 17 has a wedge shape in which one end is thin and becomes thicker toward the other end, and has a shape in which a notch 17a is formed in one end and a horizontal frame from the side of the one end. By being inserted between the 3rd and 4th and the vertical frame 5, the screw 6 is arranged inside the notch 17a.

As a result, since the adjusting plate 17 has a wedge shape, the adjusting plate 17 can be easily inserted in the adjusting plate inserting step S400, so that the working time can be further shortened. Further, since the screw 6 is located inside the notch 17a, the insertion amount of the adjusting plate 17 can be quantified.

Although the preferred embodiments of the smoke-proof panels 1 and 11 of the present invention have been described above, the present invention is not limited to the above-described embodiments and can be appropriately modified.

For example, instead of fastening the vertical frame 5 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 of the vertical frame 5 by screwing the screw 6 inserted into the screw hole at the end into the screw hole formed in the vertical frame 5. It will be.

In the first embodiment, the adjusting plate 7 is made of a flexible material, but is not limited thereto. For example, a plate-shaped member having no flexibility can be used. Further, in the second embodiment, the adjusting plate 17 is made of a metal material, but may be made of a material having the same flexibility as that of the first embodiment.

Further, as in the prior art, an adjustment screw (adjustment screw) may be added to the above embodiment in order to perform adjustment at the time of construction at the site. Even in this configuration, the adjusting plate 7 or the adjusting plate 17 can eliminate the variation in the gaps caused by the operator when assembling the smoke-proof panels 1 and 11 at the factory, and the smoke-proof panels 1 and 1 at the time of shipment can be eliminated as compared with the prior art. The quality of 11 can be further improved.

In the above embodiment, "double-sided tape or adhesive" is used as a means for fixing the smoke-proof sheet 2 to the horizontal frames 3 and 4 and the vertical frame 5, but the content is not limited to this. Depending on the installation environment of the smoke-proof wall, it can be fixed with rivets together with double-sided tape or adhesive. Since the rivet is less likely to melt than the double-sided tape or the adhesive even at a high temperature, it is more preferable in terms of improving the temperature resistance performance.

Further, in the above embodiment, at the time of factory assembly, the number of adjusting plates is appropriately adjusted depending on the material of the smoke-proof sheet (whether PVC-based or ester-based), the assembly time (summer or winter), and the installation environment. It is possible to adjust the tension in advance.

Further, in the above embodiment, in order to adjust wrinkles due to elongation due to the installation environment of the smoke-proof sheet generated during on-site construction or after delivery, a plurality of adjustment plates are stacked in addition to the already arranged adjustment plates. By arranging and tightening the screws, it is possible to apply more tension to the smoke-proof sheet.

1,11 Smoke-proof panel 2 Smoke-proof 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 forming process S400 Adjusting plate insertion process S500 Refastening process

Claims (4)

A smoke-proof panel used for smoke-proof walls.
Smoke-proof sheet with flexibility and
A horizontal frame for fixing the upper end or lower end of the smoke-proof sheet, and
A vertical frame that fixes the side end of the smoke-proof sheet and forms a corner with the horizontal frame,
Threaded into the transverse frame and the vertical frame at one end into the through-formed screw inserting the lateral frame in the inserted state into a hole and the vertical frame of the other end which is formed on the screw Nishigoana By doing so, the screw that fastens one of the horizontal frame and the vertical frame to the other
An adjusting member inserted between the horizontal frame and the vertical frame so as to be located closer to the inside of the corner than the screw.
Smoke-proof panel with. The adjusting member, which has a plate-like or sheet-like shape, the length of the portion inserted between the lateral frame and the vertical frame, the length impinging on the screw, or to just before impinging on the screw The smoke-proof panel according to claim 1, which is the length of the smoke-proof panel. The adjusting member has a wedge shape in which one end is thin and thickens toward the other end, and has a shape in which a notch is formed in the one end, and the horizontal frame and the vertical frame are formed from the side of the one end. The smoke-proof panel according to claim 1 , wherein the screw is arranged inside the notch by being inserted between the frames. An assembly method for assembling the smoke-proof panel according to any one of claims 1 to 3.
A step of fastening one of the horizontal frame and the vertical frame to the other with the screw.
The step of fixing the smoke-proof sheet to the horizontal frame and the vertical frame, and
A step of loosening the screw to form a gap between the horizontal frame and the vertical frame, and
The step of inserting the adjusting member into the gap from the inside of the corner formed by the horizontal frame and the vertical frame, and
An assembly method including a step of refastening one of the horizontal frame and the vertical frame to the other with the screw.

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