JP2776476B2 - Fastening structure of extruded cement board - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an extruded cement plate floor fastening structure for fastening a panel-shaped extruded cement plate floor having a hollow portion to a beam used in a steel-framed house or apartment house. Things.

[0002]

2. Description of the Related Art An extruded cement board used as a floor material in a steel-frame house or apartment house has a panel-like shape having a hollow portion. A square nut is inserted and installed in the hollow portion. The extruded cement plate floor is carried into the site and laid sequentially on the beam material from the upper surface, and then the extruded cement plate floor is fastened to the beam material using a fastener from the lower surface side of the extruded cement plate floor. . 13 and 14
Is a configuration diagram showing the fastening structure, and FIG. 15 is a configuration diagram of a fastener used for fastening.

A square nut 62 for screwing a bolt 63 by a holding spring 61 is previously inserted into the hollow portion 2 of the extruded cement board 1, and the extruded cement board 1 is placed on the upper surface of the beam 5. It is spread one after another. To fasten the extruded cement board floor 1 to the beam 5,
Fasteners such as a Z-shaped hardware 64 and a hook hardware 65 having a shape corresponding to the structure of the beam 5 are used. As shown in FIG. 13, when the beam 5 is an H-shaped steel, a Z-shaped metal piece 64 is used, and a bolt 63 is inserted from the lower surface side of the extruded cement board 1.
The extruded cement plate floor 1 is fastened to the beam 5 by screwing it into the square nut 62 via a spring washer 66 and a washer 67 and tightening and fixing a Z-shaped metal piece 64. In the case where the beam member 5 is a channel member having a lip as shown in FIG.
Hook hardware 65 is hooked on the lip of beam 5 and bolt 6
The extruded cement plate floor 1 is fastened to the beam 5 by tightening and fixing with 3.

[0004]

According to the above-mentioned conventional fastening structure, the work of attaching the extruded cement board 1 to the beam 5 is performed by using the scaffold or the like from the lower surface side of the extruded cement board 1. Must be done in For this reason, the laying work and the fastening work of the extruded cement board 1 must be performed separately, which leads to a large number of work steps and causes a decrease in efficiency. Since the upward operation is performed on the lower surface side of the molded cement plate floor, there is a problem that the operation is difficult.

[0005]

In order to solve the above-mentioned problems, a fastening structure for an extruded cement board according to claim 1 of the present invention uses a panel-shaped extruded cement board having a hollow portion as a beam material. In the fastening structure of the extruded cement plate floor to be fastened, a rib groove for mounting hardware is provided at a central portion of the lower surface of the extruded cement plate floor, and a fitting portion to the beam member is provided, and the beam member is formed by the rib groove. A clip material which can be fitted and mounted on the beam material so as to extend to the center of the upper surface of the clip material, and a clip material provided with a pressing material fixing portion at the extending central portion thereof, and a clip material fixing portion of the clip material on the beam material A spring-plate-like holding member that is installed so as to straddle between the hollow portions of the adjacent extruded cement plate floors laid and presses both the extruded cement plate floors against the beam member, and a holding member fixing portion of the clip member for the same pressing member. Extruded on cement board floor ; And a fixing member for fastening is elastically deformed from the side, it is characterized in that formed by fastening the beam members extrusion cement Itadoko from its upper surface side.

[0006]

The extruded cement board floor fastening structure is constructed as described above, so that one extruded cement board floor is laid at a predetermined position on the beam, and the clip is fitted to the beam in this state. Attached together, and then spread the other adjacent extruded cement plate floor so that the rib groove on the lower surface corresponds to the clip material position, and press the spring plate-like press so as to straddle between the adjacent extruded cement plate floors. By installing the material, the spring plate-like pressing member is fixed to the holding member fixing portion of the clip material by a fixing member, so that the extruded cement plate floor is pressed and fixed to the beam material from the upper side of the extruded cement plate floor, The extruded cement board can be sequentially fastened to the beam from the top side.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a perspective view showing the configuration of an extruded cement board used in the structure for fastening an extruded cement board according to a first embodiment of the present invention. FIG. 2 is a perspective view showing the structure of the extruded cement board according to the first embodiment. FIG. 3 is a perspective view showing the structure of a fastener used for the attachment structure, FIG. 4 is a view of the fastening operation process, and FIG. 5 is a view showing the fastening of an extruded cement plate floor according to a second embodiment of the present invention. FIG. 6 is a perspective view showing the structure of a fastener used in the structure, FIG. 7 is an explanatory view of the fastening operation, and FIG. 8 is a view showing the fastening of an extruded cement plate floor according to a third embodiment of the present invention. FIG. 9 is a perspective view showing the structure of a fastener used in the structure, FIG. 10 is an explanatory view of the fastening operation, and FIG. 11 is a view showing the fastening of an extruded cement plate floor according to a fourth embodiment of the present invention. FIG. 12 shows a configuration of a fastening structure used for the attachment structure. It is a visual diagram.

The extruded cement board 1 used in the first embodiment has a panel shape having a hollow portion 2 as shown in FIG. 1, and a rib groove 4 is provided in the center of the lower surface. is there. The extruded cement board floor 1 is laid on the upper surface of the beam 5 on the building side, and is sequentially fastened to the beam 5 via the fastening hardware 6. In addition, although the case where the beam 5 is an H-section steel is described here, the same applies to the case where the beam 5 is a channel material.

As shown in FIGS. 2 and 3, the fastener 6 for fastening the extruded cement board floor 1 to the beam 5 is further provided with a tapered stepped projection 19 on the holding member fixing portion 9 of the clip 10.
And a pressing member provided on the tapered stepped projection portion 19 is constituted by a spring plate-shaped pressing member 21 installed in the hollow portion 2 of the adjacent extruded cement plate floor 1 so as to straddle the space therebetween. A fixing member for tightening and fixing the spring plate-shaped pressing member 21 to the tapered stepped projection portion 19 is driven into the tapered stepped projection portion 19 by a punch 14 or the like, and the spring plate-shaped pressing member 21 is elastically deformed and tightened and fixed. It is constituted by a nut 22 and a washer 23.

In the first embodiment, the extruded cement board 1 is fixed to the beam 5 as shown in FIG. 4 after the extruded cement board 1 on the right side of the drawing is laid at a predetermined position on the upper surface of the beam 5. The fastener 6 is fitted and fitted by fitting the fitting portion 7 of the clip 10 into the beam 5. In this state, the adjacent extruded cement board floor 1 on the left side in the figure is
Are laid on the upper surface of the beam member 5 in correspondence with the extending portions 8, and the fasteners 6 are fixed in the hollow portions 2 of two adjacent extruded cement board floors 1.
After the spring plate-shaped pressing member 21 is positioned and installed so as to straddle the space therebetween, the nut 22 set in the tapered stepped projection 19 is beaten from the upper surface side of the extruded cement plate floor 1 with the punch 14 or the like, so that the spring is pressed. The plate-like pressing member 21 is pushed by a nut 22 so as to be elastically deformed.
The two extruded cement boards 1 adjacent to each other can be fastened and fixed to the beam 5 by the reaction force so as to be pressed against the beam 5.

As described above, since the extruded cement board 1 can be fastened to the beam 5 while being laid on the beam 5, the work of attaching the extruded cement board 1 can be performed efficiently. Since the fastening operation can be performed downward from the upper surface side of the extruded cement board floor 1, the workability can be improved.

As shown in FIGS. 5 to 7, the second embodiment has a screw hole 31a in the center for the holding member of the fastening hardware 6, and the inside of the hollow portion 2 of the adjacent extruded cement board 1 has a screw hole 31a. And a fixing member for tightening and fixing the spring-plate-like pressing member 31 to the holding-member fixing portion 9 of the clip member 10, and a spring-plate-like pressing member. A bolt 32 that is screwed into the screw hole 31a of the clip 31 and is rotatably installed on the holding member fixing portion 9 of the clip member 10 by using a hexagon wrench 15 or the like, and the rotation causes the spring plate-shaped holding member 31 to elastically deform and tighten and fix. In the same manner as in the first embodiment, the extruded cement board floor 1 is laid on the beam 5 and the fastening hardware 6 is attached to the beam 5.
After fitting and mounting the spring plate-like holding member 21 in the hollow portion 2 of the two adjacent extruded cement plate floors 1 so as to straddle the space therebetween, the bolt 32 of the fastener 6 is screwed into the extruded cement plate floor. By rotating the spring plate-like pressing member 31 downwardly and elastically by rotating it from the upper surface side of the device 1 with a hexagon wrench 15 or the like, the two extruded cement plate floors 1 adjacent to each other are pressed against the beam member 5 by the reaction force. It can be fastened and fixed so that it is attached. Therefore, similarly to the above-described embodiment, the efficiency of the fastening operation of the extruded cement board 1 can be improved, and the workability can be improved.

Further, in the third embodiment, as shown in FIGS. 8 to 10, the holding member of the fastening hardware 6 is integrated with the holding member fixing portion 9 and is formed in the hollow portion 2 of the adjacent extruded cement plate floor 1. And a retaining projection 41a is provided on the outer surface of a central portion of the pressing member that is bent and extended below the spring plate-shaped pressing member 41. A fixing member for tightening and fixing the spring-plate-shaped pressing member 41 is constituted by a ring 42 fitted into the outer periphery of a central portion of the spring-plate-shaped pressing member 41, and elastically deforming and fixing the spring-plate-shaped pressing member 41. Things.

The extruded cement board 1 is fixed to the beam 5 in the same manner as in the above embodiment, by laying the extruded cement board 1 on the beam 5 and fitting the fastener 6 to the beam 5. After mounting and positioning the spring plate-like pressing member 21 so as to straddle the hollow portions 2 of two adjacent extruded cement plate floors 1 so as to straddle between them, as shown in FIG. The ring 42 fitted on the outer periphery of the retaining projection 41a at the center of the spring plate-shaped pressing member 41 is driven downward by the punch 16 or the like, and the spring plate-shaped pressing member 41 is elastically deformed. Fit 2
The two extruded cement board floors 1 can be fastened and fixed so as to be pressed against the beam 5. Therefore, also in the present embodiment, the work of fastening the extruded cement board floor 1 can be performed efficiently, and the workability can be improved.

In the fourth embodiment, as shown in FIGS. 11 and 12, the holding material of the fastener 6 is placed in the hollow portion 2 of the extruded cement board 1 adjacent to the holding material fixing portion 9 so as to straddle the space therebetween. A bolt 5 is used to fix the plate-like holding member 51 to the holding member fixing portion 9 from the upper surface side of the extruded cement plate floor 1.
2 and a washer 53. The extruded cement plate floor 1 is spread over the beam member 5, the fastener 6 is fitted to the beam member 5, and the plate-shaped pressing member 51 is formed by two adjacent extrusion members. After being positioned and installed in the hollow portion 2 of the cement plate floor 1 so as to straddle the space therebetween, the bolt 52 is tightened with a hexagon wrench 17 or the like from the upper surface side of the extruded cement plate floor 1 as shown in FIG. With 51, two adjacent extruded cement board floors 1 can be fastened and fixed so as to be pressed against the beam 5 and fastened. Accordingly, the work of fastening the extruded cement board 1 can be performed efficiently, and the work of fastening can be performed downward from the upper surface side of the extruded cement board 1, so that the workability can be improved. .

[0016]

As described above, according to the structure for fixing an extruded cement plate floor according to the present invention, when the extruded cement plate floor is fastened to a beam, the fasteners are laid while the extruded cement plate floor is laid. Since the extruded cement board can be attached to the beam and the extruded cement board can be sequentially fastened to the beam, the extruded cement board needs to be fastened separately to the laying and the beam. And the fastening work of the extruded cement board can be performed efficiently, and the fastening work can be performed downward from the upper surface side of the extruded cement board, so that the workability can be improved. Practically useful effects can be obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a configuration of an extruded cement board used for a fastening structure of an extruded cement board according to a first embodiment of the present invention.

FIG. 2 is a configuration diagram of a fastening structure of an extruded cement board floor according to a first embodiment of the present invention.

FIG. 3 is a perspective view showing the configuration of a fastener used for the fastening structure of the extruded cement board floor according to the first embodiment of the present invention.

FIG. 4 is a fastening work process diagram of the fastening structure for the extruded cement board floor according to the first embodiment of the present invention.

FIG. 5 is a configuration diagram of a fastening structure of an extruded cement plate floor according to a second embodiment of the present invention.

FIG. 6 is a perspective view showing a configuration of a fastener used for a fastening structure of an extruded cement plate floor according to a second embodiment of the present invention.

FIG. 7 is an explanatory view of a fastening operation of a fastening structure for an extruded cement board floor according to a second embodiment of the present invention.

FIG. 8 is a configuration diagram of a fastening structure of an extruded cement plate floor according to a third embodiment of the present invention.

FIG. 9 is a perspective view showing a configuration of a fastener used for a fastening structure of an extruded cement plate floor according to a third embodiment of the present invention.

FIG. 10 is an explanatory view showing a fastening operation of a fastening structure for an extruded cement board floor according to a third embodiment of the present invention.

FIG. 11 is a configuration diagram of a fastening structure of an extruded cement plate floor according to a fourth embodiment of the present invention.

FIG. 12 is a perspective view showing a configuration of a fastener used for a fastening structure of an extruded cement plate floor according to a fourth embodiment of the present invention.

FIG. 13 is a configuration diagram of a conventional fastening structure of an extruded cement board floor.

FIG. 14 is a configuration diagram of another conventional fastening structure of an extruded cement board floor.

FIG. 15 is a perspective view showing a structure of a fastener used for a conventional fastening structure of an extruded cement board floor.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Extruded cement board floor 2 Hollow part 4 Lower surface rib groove 5 Beam material 6 Fastening metal 7 Fitting part 8 Extension part 9 Holding material fixing part 10 Clip material 14, 16 Punch 15, 17 Hex wrench 19 Tapered stepped projection 21, 31, 41 Spring plate-shaped holding member 22 Nut 23, 53 Washer 31a Screw hole 32, 52 Bolt 41a Retaining projection 42 Ring 51 Plate-shaped holding member

Claims (5)

(57) [Claims] 1. An extruded cement plate floor fastening structure for fastening a panel-shaped extruded cement plate floor having a hollow portion to a beam material, wherein a rib groove for mounting hardware is provided at a central portion of a lower surface of the extruded cement plate floor. Together with a fitting portion to the beam material,
A clip member which can be fitted and attached to the beam member so as to extend to a center portion of the upper surface of the beam member by the rib groove, and a clip member provided with a holding member fixing portion at the extending center portion; and a holding member fixing portion of the clip member A spring plate-like holding member that is installed so as to straddle between hollow portions of adjacent extruded cement plate floors laid on the beam members and presses both extruded cement plate floors against the beam member, and the clip member is provided with the clip member. A fixing member for elastically deforming and fixing the extruded cement plate floor from the upper surface side of the extruded cement plate floor to the holding member fixing portion of the material, and the extruded cement plate floor is fastened to the beam material from the upper surface side. Fastening structure of extruded cement board floor. 2. A tapered stepped projection is provided on the holding member fixing portion, and the fixing member is beaten into the tapered stepped projection with a punch or the like, and the spring plate-shaped pressing member is deformed and tightened and fixed. 2. The fastening structure for an extruded cement plate floor according to claim 1, wherein the structure is constituted by a nut. 3. A screw hole is provided in a center portion of the spring plate-like holding member, and the fixing member is screwed into the screw hole, and is rotatably mounted on the holding member fixing portion by a hexagon wrench or the like. 2. A fastening structure for an extruded cement plate floor according to claim 1, wherein said holding member is constituted by a bolt which deforms the holding member by rotation and tightens and fixes the holding member. 4. The pressing member is formed integrally with the holding member fixing portion, and a retaining projection is provided on an outer surface of a central portion of the pressing member bent and extended below the pressing member, and the fixing member is fixed. 2. The fastening structure for an extruded cement plate floor according to claim 1, wherein the member is fitted on the outer periphery of a center portion of the holding member, and the ring is formed by deforming the holding member and tightening and fixing the member. 5. An extruded cement plate floor fastening structure for fastening a panel-shaped extruded cement plate floor having a hollow portion to a beam member, wherein a rib groove for mounting hardware is provided in a central portion of a lower surface of the extruded cement plate floor. Together with a fitting portion to the beam material,
A clip member which can be fitted and attached to the beam member so as to extend to a center portion of the upper surface of the beam member by the rib groove, and a clip member provided with a holding member fixing portion at the extending center portion; and a holding member fixing portion of the clip member A plate-like pressing member which is installed so as to straddle between hollow portions of adjacent extruded cement plate floors laid on the beam members, and presses both extruded cement plate floors against the beam members; and And a bolt for tightening and fixing with a hexagon wrench or the like from the top of the extruded cement board floor to the holding material fixing part,
A structure for fastening an extruded cement plate floor, wherein the extruded cement plate floor is fastened to a beam from the upper surface side.