JP6965771B2 - Top end fixed structure of wall material - Google Patents

Description

The present invention relates to an upper end fixing structure of a wall surface material constituting an indoor wall surface.

For example, in order to satisfy the fire resistance performance and to improve the sound insulation performance with the adjacent space, the boundary wall and a part of the partition wall are installed so that the wall material reaches the ceiling. As a structure for fixing the upper end of the wall surface material, a runner having an L-shaped cross section is fixed to the lower surface of the floor slab forming the floor on the upper floor, and a fixing hardware for fixing the upper end of the wall surface material is fixed to the runner. Is known (Patent Document 1).

Further, in order to suppress the vibration from the upper floor from being transmitted to the lower floor, a cushioning material is adhered to the inside of the runner material fixed to the floor slab, and the upper end of the wall surface material is the runner material via the cushioning material. It is known that the material is fixed to (Patent Document 2).

Japanese Unexamined Patent Publication No. 05-179729 Japanese Unexamined Patent Publication No. 2006-63727

By the way, conventionally, in order to improve the sound insulation property, a sound insulation floor structure in which a vibration absorber is arranged on a beam and a floor slab is arranged on the beam may be used. In such a structure, since the vibration of the floor slab is absorbed by the vibration absorber, the vibration transmitted to the beam is weakened to ensure the sound insulation performance, but the floor slab and the wall material of the lower floor are firmly fixed. If this is the case, the vibration of the floor slab is directly transmitted to the lower floor through the wall surface material, which causes a decrease in sound insulation performance.

Therefore, an object of the present invention is to provide an upper end fixing structure for a wall surface material, which is a structure for fixing the upper end of the wall surface material so that the base material for fixing the upper end of the wall surface material is not fixed to the floor slab.

The upper end fixing structure of the wall surface material of the present invention has a beam having a flat horizontal plate portion at the upper end, a floor slab installed with a gap on the horizontal plate portion, and an upper piece and a lower piece. A base fixing hardware having a sandwiching portion sandwiched between the horizontal plate portions and a hanging portion that is supported by the sandwiching portion and hangs downward, and a runner material that is separated from the floor slab and fixed to the hanging portion. And a wall surface material whose upper end is fixed to the runner material, and the upper piece of the sandwiching portion is inserted into a gap between the horizontal plate portion and the floor slab and hits the upper surface of the horizontal plate portion. It is characterized in that it comes into contact with the floor slab and separates from the lower surface of the floor slab.

The upper end fixing structure of the wall surface material of the present invention is characterized in that a filler having fire resistance and / or sound insulation is provided between the runner material and the floor slab.

In the upper end fixing structure of the wall surface material of the present invention, the base fixing hardware further has a horizontal connecting portion for connecting the sandwiching portion and the hanging portion, and the hanging portion is bent at an acute angle toward the connecting portion. It is characterized in that a hit stop piece 55 is provided to prevent the hitting.

In the upper end fixing structure of the wall surface material of the present invention, the sandwiching portion has a vertical connecting portion connecting the base ends of the upper piece and the lower piece, and the hanging portion abuts on the connecting portion. It is characterized by being placed.

The upper end fixing structure of the wall surface material of the present invention is characterized in that the gap is formed by arranging a plurality of vibration absorbers at intervals between the horizontal plate portion and the floor slab. There is.

According to the upper end fixing structure of the wall surface material of the present invention, a gap is provided between the horizontal plate portion of the beam and the floor slab on the horizontal plate portion, and the upper piece of the sandwiching portion of the base fixing hardware is the horizontal plate. Since it is in contact with the upper surface of the portion and is separated from the lower surface of the floor slab, the base fixing hardware is supported without contacting the floor slab. Further, since the runner material is fixed to the hanging portion of the base fixing hardware apart from the floor slab, the runner material is also fixed without coming into contact with the floor slab. Therefore, since the base fixing hardware and the runner material can be installed without being fixed to the floor slab, the wall surface material is not supported by the floor slab. Even when it is difficult to fix the base fixing hardware or the runner material to the plate, the upper end of the wall surface material can be fixed to a position close to the floor slab without fixing the base fixing metal or the runner material to the floor slab.

According to the upper end fixing structure of the wall surface material of the present invention, a filler is provided between the runner material to which the upper end of the wall surface is fixed and the floor slab, and the filler has fire resistance and / or sound insulation. , The fire resistance and / or sound insulation of the boundary wall or partition wall formed by the wall material can be enhanced.

According to the upper end fixing structure of the wall surface material of the present invention, the hanging portion is prevented from being bent at an acute angle toward the connecting portion side by the contact stopper, so that when the runner material is pressed against the hanging portion and fixed, the hanging portion is fixed. Can be prevented from escaping from the runner material, so that the fixing work can be facilitated and the runner material can be fixed at an appropriate position.

According to the upper end fixing structure of the wall surface material of the present invention, the vertical connecting portion connects the base ends of the upper piece and the lower piece of the sandwiching portion, and the hanging portion is in contact with the connecting portion. When the runner material is pressed against and fixed, the connection part serves as a support to prevent the plumb bob from escaping from the runner material, which facilitates the fixing work and fixes the runner material in an appropriate position. Can be done.

According to the upper end fixing structure of the wall surface material of the present invention, the gap between the horizontal plate portion and the floor slab is formed by arranging a plurality of vibration absorbers, so that the vibration of the floor slab is caused by the vibration absorber. It is absorbed by the beam and is not easily transmitted to the beam having a horizontal plate portion. Since the base fixing hardware and the runner material are also separated from the floor slab, the vibration of the floor slab is not transmitted, so that the function of the vibration absorber is not hindered and the vibration of the floor slab on the upper floor is transmitted to the wall surface. It is possible to prevent the material from being transmitted to the lower floors.

The cross-sectional view which shows the whole structure of the upper end fixed structure of a wall material. A partially enlarged cross-sectional view showing the structure of the upper end fixed structure of the wall material. A side view showing the structure of the base fixing hardware. The perspective view which shows the structure of the base fixing hardware. The perspective view which omitted the description of the floor slab and the beam explaining the structure of the base fixing metal fitting, the runner material, and the wall surface material. The cross-sectional view which shows the state before the sandwiching part of the base fixing metal fitting is sandwiched with the horizontal plate part of a beam. A cross-sectional view showing a state in which the sandwiched portion of the base fixing hardware is sandwiched between the horizontal plate portion of the beam. A cross-sectional view showing a state in which the vertical portion of the runner material is fixed to the hanging portion of the base fixing hardware. A cross-sectional view showing a state in which the upper end of the wall surface material is fixed to the runner material. The side view which shows the structure of the base fixing metal fitting of the modification. FIG. 5 is a cross-sectional view illustrating a state in which an upper end fixing structure of a wall surface material is constructed using a base fixing metal fitting of a modified example. The cross-sectional view explaining the state which completed the construction of the upper end fixing structure of the wall surface material using the base fixing metal fitting of the modified example.

Hereinafter, an embodiment of the upper end fixing structure 1 of the wall surface material according to the present invention will be described with reference to each figure. The upper end fixing structure 1 of the wall material is a structure for fixing the upper end of the wall material 2 constituting the boundary wall of the apartment house, for example. The wall composed of the wall surface material 2 is not limited to the boundary wall, but is a partition wall in which the wall surface material 2 needs to reach the ceiling in order to improve the fire resistance performance and the sound insulation performance with the adjacent space. May be good.

As shown in FIGS. 1 and 2, the upper end fixing structure 1 of the wall material includes a beam 3 erected on the frame of the building, a floor slab 4 installed on the beam 3 with a gap S provided, and a beam 3. Filling provided between the base fixing metal fitting 5 fixed to the base fixing metal fitting 5, the runner material 7 fixed to the base fixing metal fitting 5, the wall surface material 2 whose upper end is fixed to the runner material 7, and the runner material 7 and the floor slab 4. The material 8 and the material 8 are provided.

The beam 3 is an H-shaped steel erected so that the flanges are located vertically. The upper flange of the beam 3 is the horizontal plate portion 31 in the present invention. The beam 3 is not limited to H-shaped steel as long as it is a steel material having a horizontal plate portion 31 at the upper end. A plurality of vibration absorbing materials 9 are arranged on the horizontal plate portion 31 of the beam 3 at intervals. The vibration absorber 9 is formed of an elastic body such as rubber or synthetic resin, and absorbs the vibration of the floor slab 4 installed on the vibration absorber 9. Further, a runner mounting bracket 11 for attaching the groove runner 10 is fixed to the flange on the lower side of the beam 3, and the groove runner 10 is opened downward and fixed to the lower surface of the runner mounting bracket 11. The upper end of the stud 12 for fixing the intermediate portion of the wall surface material 2 is fixed to the groove runner 10. The floor slab 4 is, for example, an ALC rectangular plate having a hollow portion. The floor slab 4 is installed on the vibration absorber 9 arranged on the horizontal plate portion 31 of the beam 3 and serves as a floor base for the upper floor.

As shown in FIGS. 2 to 4, the base fixing hardware 5 includes a sandwiching portion 51 sandwiched between the horizontal plate portions 31 and a connecting portion 52 extending from the sandwiching portion 51 toward the side opposite to the horizontal plate portion 31. , A flat plate-shaped fixing portion 53 that is overlapped and fixed on the upper surface of the connecting portion 52, a hanging portion 54 that is formed by bending the fixing portion 53 and hangs downward from the protruding edge of the connecting portion 52, and both sides of the hanging portion 54. It has a contact stopper piece 55 formed by bending from the edge to the connecting portion 52 side.

The sandwiching portion 51 has an upper piece 56, a lower piece 57 arranged on the lower side of the upper piece 56, and a vertical connecting portion 58 connecting the base ends of the upper piece 56 and the lower piece 57. .. The upper piece 56 has a horizontal flat plate shape that abuts on the upper surface of the horizontal plate portion 31, and has a claw portion 59 that is bent diagonally downward at the center thereof. When the sandwiching portion 51 sandwiches the horizontal plate portion 31 of the beam 3, the claw portion 59 is locked in the hole portion 32 formed in the horizontal plate portion 31, and the sandwiching portion 51 becomes the horizontal plate portion. Prevent it from falling out of 31. The connecting portion 58 is a pair of vertical flat plates formed by bending both side ends of the base end of the upper piece 56 downward at right angles. The lower piece 57 extends from the lower ends of the pair of connecting portions 58 and is located below the upper piece 56, and is formed so as to be curved so that the intermediate position approaches the upper piece 56. The lower piece 57 is formed so that the distance between the lower piece 57 and the upper piece 56 at the position closest to the upper piece 56 is shorter than the thickness of the horizontal plate portion 31, and the sandwiching portion 51 is sandwiched between the horizontal plate portions 31 by elastic deformation. To wear.

The connecting portion 52 is a flat plate that is flush with the upper piece 56 and extends from the central portion of the base end of the upper piece 56 in the direction opposite to the extending direction of the upper piece 56. The sandwiching portion 51 and the connecting portion 52 are formed by bending one metal plate. Further, the fixing portion 53 and the hanging portion 54 are formed by bending one thin plate at a right angle. The fixing portion 53 overlaps the upper surface of the connecting portion 52, and is fixed to the upper piece 56 by a caulking metal fitting 60. The hanging portion 54 is formed by bending the fixing portion 53 so as to hang downward from the tip of the connecting portion 52. The contact stopper piece 55 is formed by bending both side edges of the hanging portion 54 toward the connecting portion 52, and the direction in which the hanging portion 54 approaches the connecting portion 52 when the contact stopper piece 55 abuts on the connecting portion 52. It is possible to prevent it from being bent at an acute angle.

As shown in FIG. 5, the runner material 7 is an angle including a horizontal portion 71 and a vertical portion 72 formed long in the horizontal direction. In a state where the vertical portion 72 of the runner material 7 is in contact with the hanging portion 54 of the base fixing hardware 5, the horizontal portion 71 of the runner material 7 extends from the upper end of the vertical portion 72 in the direction opposite to that of the base fixing hardware 5. The wall surface material 2 is, for example, a gypsum board, and for example, it is double-stacked to ensure fire resistance.

The filler 8 is made of a material having fire resistance and sound insulation. The fire resistance and sound insulation of the filler 8 are preferably equal to or higher than those of the wall surface material 2. The filler 8 may be a wet material or a dry material. The filler 8 is preferably a material having flexibility that follows the vibration of the floor slab 4 and does not transmit the vibration to the runner material 7. As the material of the filler 8, for example, a sealing material, a gypsum-based filler, and a fiber-based filler can be used.

When constructing the upper end fixing structure 1 of the wall surface material, first, the building frame including the beam 3 is constructed, and then the vibration absorbing material 9 is arranged on the horizontal plate portion 31 of the beam 3. Then, the floor slab 4 is placed on the vibration absorbing material 9, and the floor slab 4 is installed by providing a gap S on the horizontal plate portion 31 of the beam 3. The floor slab 4 is fixed to the beam 3 with a metal fitting for fixing the floor slab (not shown). Next, as shown in FIG. 6, the upper piece 56 of the sandwiching portion 51 of the base fixing hardware 5 is inserted into the gap S between the floor slab 4 and the horizontal plate portion 31 of the beam 3.

When the upper piece 56 is inserted into the gap S between the floor slab 4 and the horizontal plate portion 31, the lower piece 57 abuts on the lower surface of the horizontal plate portion 31 while elastically deforming in the direction away from the upper piece 56, and the upper piece 56 And the lower piece 57 are sandwiched between the horizontal plate portion 31 and the horizontal plate portion 31. At this time, the claw portion 59 of the upper piece 56 is fitted into the hole portion 32 of the horizontal plate portion 31 so that the sandwiching portion 51 is fixed so as not to fall off from the horizontal plate portion 31. As shown in FIG. 7, the base fixing metal fitting 5 is separated from the lower surface of the floor slab 4 in a state where the sandwiching portion 51 is sandwiched between the horizontal plate portion 31, and the vibration of the floor slab 4 is transmitted to the base fixing metal fitting 5. It is not directly transmitted.

When the sandwiching portion 51 is sandwiched between the horizontal plate portions 31 and the base fixing metal fitting 5 is fixed to the beam 3, then, as shown in FIG. 8, the vertical portion 72 of the runner material 7 is hung down from the base fixing metal fitting 5. It is brought into contact with the portion 54. Then, the runner material fixing screw 13 is driven from the vertical portion 72 toward the hanging portion 54 to fix the runner material 7 to the base fixing hardware 5. Since the contact stopper piece 55 is formed on both side edges of the hanging portion 54 of the base fixing hardware 5 by bending toward the connecting portion 52 side, the bending rotation of the hanging portion 54 is stopped by the contact stopper piece 55, and the runner material is fixed. It is possible to prevent the hanging portion 54 from escaping when the screw 13 is driven.

When the runner material 7 is fixed to the hanging portion 54, then, as shown in FIG. 9, the upper end of the wall surface material 2 is fixed to the runner material 7. The upper end of the wall surface material 2 is brought into contact with the horizontal portion 71 of the runner material 7, and the inner surface of the wall surface of the wall surface material 2 is brought into contact with the vertical portion 72 of the runner material 7. Then, the wall surface material fixing screw 14 is driven horizontally from the outside of the wall toward the wall surface material 2 to fix the wall surface material 2 and the vertical portion 72 of the runner material 7. Then, as shown in FIG. 2, the filler 8 is filled between the horizontal portion 71 of the runner material 7 and the floor slab 4, to complete the upper end fixing structure 1 of the wall surface material. By filling the gap between the floor slab 4 and the runner material 7 with a filler 8 having fire resistance and sound insulation, the fire resistance and sound insulation of the boundary wall or the partition wall can be maintained.

As described above, according to the upper end fixing structure 1 of the wall surface material of the present embodiment, the floor slab 4 and the beam 3 are interposed via the vibration absorbing material 9, and the base fixing hardware 5, the runner material 7, and the wall surface material 2 are any of them. Since it is not in contact with the floor slab 4, the vibration of the floor slab 4 is not transmitted to the lower floor. Since the filler 8 is provided between the runner material 7 and the floor slab 4, it is possible to secure fire resistance and sound insulation while the wall surface material 2 and the floor slab 4 are separated from each other. Moreover, the contact stopper 55 prevents the runner material 54 from escaping when the runner material 7 is fixed to the hanging portion 54, stabilizes the fixing work, and can fix the runner material 7 at an appropriate position.

The base fixing hardware 5 in the upper end fixing structure 1 of the wall surface material of the present invention is not limited to the above-described embodiment. Next, a modified example of the base fixing hardware 5 will be described with reference to FIGS. 10 and 11. Since the floor slab 4, the beam 3, the runner material 7, and the wall surface material 2 have the same configurations as those in the above-described embodiment, the same reference numerals are given and the description thereof will be omitted.

As shown in FIG. 10, the base fixing hardware 5 of the modified example includes a sandwiching portion 51 sandwiched between the horizontal plate portions 31 and a connecting portion 52 extending from the sandwiching portion 51 toward the side opposite to the horizontal plate portion 31. It has a flat plate-shaped fixing portion 53 that is overlapped and fixed on the upper surface of the connecting portion 52, and a hanging portion 54 that is formed by bending the fixing portion 53 and hangs downward from the protruding edge of the connecting portion 52. The hanging portion 54 is arranged so as to abut the vertical connecting portion 58 connecting the upper piece 56 and the lower piece 57 of the sandwiching portion 51. Since the shape of the sandwiching portion 51 is the same as that of the above-described embodiment, the description thereof will be omitted.

The connecting portion 52 is a flat plate that is flush with the upper piece 56 and extends from the central portion of the base end of the upper piece 56 in the direction opposite to the extending direction of the upper piece 56. Further, the fixing portion 53 and the hanging portion 54 are formed by bending one thin plate at a right angle. The fixing portion 53 overlaps the upper surface of the connecting portion 52, and is fixed to the upper piece 56 by a caulking metal fitting 60. The hanging portion 54 is formed by bending the fixing portion 53 so as to hang downward from the end portion on the upper piece 56 side of the connecting portion 52. The surfaces of the hanging portion 54 and the connecting portion 58 are in contact with each other.

Then, as shown in FIGS. 11 and 12, when the upper end fixing structure 1 of the wall surface material is constructed using the base fixing metal fitting 5 of the modified example, the beam 3 and the vibration absorbing material 9 are similar to the above-described embodiment. After the floor slab 4 is constructed, the sandwiching portion 51 of the base fixing hardware 5 is sandwiched between the horizontal plate portion 31 of the beam 3. Next, the horizontal portion 71 of the runner material 7 is brought into contact with the fixing portion 53 of the base fixing hardware 5, while the vertical portion 72 of the runner material 7 is brought into contact with the hanging portion 54 of the base fixing hardware 5. Then, the runner material fixing screw 13 is driven from the vertical portion 72 toward the hanging portion 54 to fix the runner material 7 to the base fixing hardware 5. Since the hanging portion 54 of the base fixing hardware 5 is in contact with the connecting portion 58, the hanging portion 54 does not rotate to the acute angle side and prevents the hanging portion 54 from escaping when the runner material fixing screw 13 is driven. can.

Next, the upper end of the wall surface material 2 is brought into contact with the horizontal portion 71 of the runner material 7, and the surface inside the wall of the wall surface material 2 is brought into contact with the vertical portion 72 of the runner material 7 to bring the wall surface material from the outside of the wall. The wall surface material fixing screw 14 is driven in the horizontal direction toward No. 2 to fix the wall surface material 2 and the vertical portion 72 of the runner material 7. Then, the filler 8 is filled between the horizontal portion 71 of the runner material 7 and the floor slab 4, to complete the upper end fixing structure 1 of the wall surface material.

According to the upper end fixing structure 1 of the wall surface material of this embodiment, the horizontal portion 71 of the runner material 7 comes into contact with the fixing portion 53 of the base fixing hardware 5, and the vertical portion 72 of the runner material 7 is the hanging portion 54 of the base fixing hardware 5. When the runner material 7 is fixed, the posture of the runner material 7 is likely to be stable, and the fixing work can be made easier.

The upper end fixing structure 1 of the wall surface material according to the present invention can be suitably used as, for example, the upper end fixing structure 1 of the wall surface material constituting the boundary wall of an apartment house.

1 Top end fixing structure of wall material 2 Wall material 3 Beam 4 Floor slab 5 Base fixing hardware 7 Runner material 8 Filling material 9 Vibration absorber 31 Horizontal plate part 51 Holding part 52 Connecting part 54 Hanging part 55 Hit stop piece 56 Upper piece 57 Lower piece 58 connection

Claims (5)

A beam with a flat horizontal plate at the top and
A floor slab installed with a gap on the horizontal plate and
A base fixing hardware having an upper piece and a lower piece and having a sandwiching portion sandwiched between the horizontal plate portions and a hanging portion supported by the sandwiching portion and hanging downward.
A runner material that is separated from the floor slab and fixed to the hanging portion,
A wall material whose upper end is fixed to the runner material and
With
The sandwiching portion is a wall surface material characterized in that the upper piece is inserted into a gap between the horizontal plate portion and the floor slab, and is in contact with the upper surface of the horizontal plate portion and is separated from the lower surface of the floor slab. Top fixed structure. The upper end fixing structure of a wall surface material according to claim 1, wherein a filler having fire resistance and / or sound insulation is provided between the runner material and the floor slab. The base fixing hardware further has a horizontal connecting portion for connecting the sandwiching portion and the hanging portion.
The upper end fixing structure of a wall material according to claim 1 or 2, wherein a contact stopper piece for preventing the hanging portion from being bent at an acute angle is provided on the connecting portion side. The sandwiching portion has a vertical connecting portion that connects the base ends of the upper piece and the lower piece.
The upper end fixing structure of a wall surface material according to claim 1 or 2, wherein the hanging portion is arranged in contact with the connecting portion. Any of claims 1 to 4, wherein the gap is formed by arranging a plurality of vibration absorbers at intervals between the horizontal plate portion and the floor slab. Top fixed structure of wall material described in.

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