JP2006274612A - Alc buried anchor metal fitting - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an ALC buried anchor metal fitting capable of corresponding to various shaped structure skeletons by simple work without being required for any skill without using any high-priced component to reduce a manufacturing cost of an accurate and firm ALC panel and being fixed to each structure skeleton. <P>SOLUTION: The ALC buried anchor metal fitting is buried and placed in the ALC panel wherein a plurality of reinforcing bars are buried, it fixes the ALC panel to the structure skeleton through a mounting metal fitting, a horizontal plane placed by intersecting the reinforcing bars, and both side edge sides in the longitudinal direction of the horizontal plane have vertical planes refractively extended at a right angle to the horizontal plane, and it is so characterized that it includes a mounting body buried and fixed in the ALC panel across a plurality of reinforcing bars, an opening formed in the approximately center of the horizontal plane of the mounting body and a caulking nut caulked to the horizontal plane in the opening position and fixed and set in the mounting body. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an ALC embedded anchor bracket that is embedded in an ALC panel in which reinforcing reinforcing bars are embedded, and that fixes the ALC panel to a structural housing via a mounting bracket.

ALC (autoclave foamed concrete) is lightweight and excellent in fire resistance, heat resistance and workability, and thus is formed into a panel and widely used in the construction field. When ALC panels are used for steel buildings, steel beams are used as structural enclosures. When used for wooden buildings, pillars, studs, etc. are used as structural enclosures, and ALC is attached to these structural enclosures. To be done.
In addition, when high proof stress is required or when it is desired to omit perforation on the small edge surface, a panel with a mounting anchor metal fitting embedded beforehand is prepared, and the anchor metal fitting is applied from the interior surface of the panel to the anchor metal fitting at the construction site. Bolt insertion holes are provided, and the embedded anchor fittings and bolts are screwed together and attached to the structural frame using dedicated hardware as well.

FIG. 5 shows an example of this type of anchor fitting. A long nut 12 is fixed to a vertical surface 11b of an L-shaped mounting plate 11 having a horizontal surface 11a and a vertical surface 11b by a welding portion 17 by a welding operation. Thus, an anchor fitting 13A is formed.
FIG. 6 shows another example of this type of anchor fitting, in which the long nut 12 is welded to the center of a mounting plate 14 having legs 14a bent at right angles on both side edges in the longitudinal direction. The anchor fitting 13B is formed by being fixed by the welded portion 17 by the work.
The anchor fitting 13A or 13B shown in FIG. 5 or 6 is used by being welded and fixed to a reinforcing bar of a reinforcing bar made up of a plurality of reinforcing bars in a hook shape and embedded in an ALC panel.

  Each of the anchor fittings 13A and 13B described above has a problem in manufacturing cost because the expensive long nut 12 is used, and the L-shaped mounting plate 11 or the flat mounting plate 14 of the long nut 12 has a problem. In order to fix the long nut 12 with high accuracy, it is necessary to be skilled in the welding and fixing work, and the anchor metal 13A or 13B is embedded in the ALC. The cost required for mounting and fixing work also increases.

  The present invention has been made in order to solve the problems of the conventional anchor metal fittings as described above, and the object thereof is to use various shapes by simple operations that do not require expensive parts and require no skill. To provide an ALC embedded anchor fitting capable of fixing an ALC panel to a structural housing accurately and firmly with a reduced manufacturing cost and corresponding to the structural housing.

  In order to achieve the above object, according to a first aspect of the present invention, there is provided an ALC that is embedded in an ALC panel in which a plurality of reinforcing bars are embedded, and that fixes the ALC panel to a structural housing via a mounting bracket. An embedded anchor metal fitting, comprising: a horizontal plane that intersects with the reinforcing reinforcing bars; and a vertical plane in which both side edges in the longitudinal direction of the horizontal plane are bent and extended at right angles to the horizontal plane, and straddle the plurality of reinforcing reinforcing bars. Accordingly, a mounting body embedded and fixed in the ALC panel, an opening formed in the center of the horizontal surface of the mounting body, and caulked to the horizontal surface at the opening position, and fixedly disposed in the mounting body And a crimped nut.

  Similarly, in order to achieve the above object, according to a second aspect of the present invention, in the first aspect, the fixedly arranged caulking nut has a width of a side facing surface of the vertical surface of the mounting body. A nut having a diagonal length equal to or less than the internal dimension and exceeding the internal dimension of the vertical surface of the mounting body is a nut.

  According to the first aspect of the present invention, it is possible to manufacture welding and the like by a simple operation that does not require skill by using a mounting body having a U-shaped cross section that is fixed by a simple method of caulking a nut to the mounting body. -With the mounting cost reduced, the ALC panel can be accurately fitted to the structural housing of various shapes and firmly fixed.

Further, according to the second invention, since the size of the nut is appropriately selected so that the caulking nut does not rotate in the mounting body in the relationship between the mounting body and the caulking nut, simple work that does not require skill is required. Thus, it is possible to mount and fix the ALC panel with high accuracy and robustness by appropriately corresponding to the structural housings of various shapes with reduced manufacturing and mounting costs such as welding.
In this specification, the width of the side-to-face refers to the length of the faces of the nuts facing each other such as hexagons and squares, and the diagonal length refers to the nut seats such as hexagons and squares. The length of the longest diagonal line.

An embodiment of the present invention will be described below with reference to FIGS.
FIG. 1 is an overall configuration diagram showing an embedded state in an ALC according to this embodiment, FIG. 2 is an explanatory diagram showing the configuration of this embodiment, FIG. 3 is a perspective view showing the configuration of this embodiment, and FIG. It is explanatory drawing which shows the crimping fixing operation | movement of the crimping nut of this Embodiment.

  In the present embodiment, the ALC panel is reinforced by two reinforcing bar mats, and the attachment body 10 is formed of a metal plate having a thickness of 1.6 mm, and the width of the metal plate is 23 mm and the length is 140 mm. It is formed in a substantially U-shape having a horizontal plane 1 and a vertical plane 2 bent at right angles to the horizontal plane 1 and having a width of 30 mm, continuous to both side edges of the horizontal plane 1. An opening 4 having a diameter of 13 mm is formed at the center of the horizontal surface 1 of the mounting body 10, and a caulking portion 15 is provided at the tip of the opening 4, and the outer diameter is slightly smaller than the interval between the opposing surfaces of the vertical surface 2. A hexagonal columnar caulking nut 3 is pushed in the direction shown by the arrow in FIG. 4A and fitted into the opening 4, and then, as shown by the arrow in FIG. The caulking portion 15 of the protruding caulking nut 3 is pressed outward by the caulking jig 14. In this way, the caulking nut 3 is caulked and fixed to the attachment body 10.

On the other hand, the ALC panel 20 is reinforced, and the reinforcing bar rod to which the attachment body 10 to which the caulking nut 3 is fixed is attached and fixed is created. For this purpose, first, a plurality of reinforcing reinforcing bars 8 are arranged in parallel with each other in association with the longitudinal direction and the width direction of the mold, and the crossing positions of the arranged reinforcing reinforcing bars 8 are welded to form a grid-like reinforcing bar mat. The two rebar mats thus created are connected and fixed in parallel to each other with a spacer, and a rebar rod is assembled and created.
And the attachment body 10 in which the caulking nut 3 is caulked and fixed from the direction which becomes the attachment surface of the structural housing 9 of the ALC panel 20 in a state of being embedded in the ALC panel 20 with respect to the assembled reinforcing bar. The projecting end of the vertical surface 2 is first inserted to the rebar mat position located on the side away from the mounting surface.
In this case, a cylindrical foam polystyrene is inserted and arranged in advance in the opening screw surface of the caulking nut 3 fixed to the attachment body 10 so as to close the opening, and the inflow filling of the ALC slurry into the opening screw surface at the time of ALC creation Is prevented.

In this manner, the attachment body 10 inserted into the reinforcing bar rods straddles the plurality of reinforcing reinforcing bars 8 at a predetermined location corresponding to the shape of the structural housing 9 with respect to the reinforcing bar mat at the insertion end position. A state in which the protruding end of the vertical surface 2 of the mounting body 10 is welded to the corresponding reinforcing bars 8 and the mounting body 10 to which the caulking nut 3 is fixed is fixed to the reinforcing bar rod. It is said. Then, after arranging a plurality of reinforcing bar rods 10 to which the attachment body 10 with the caulking nut 3 is fixed by caulking in the mold, ALC slurry is injected into the mold frame, and the reinforcing bar rod consisting of the reinforcing reinforcing bars 8 The caulking nut 3 is caulked, and the attachment body 10 fixed to the reinforcing bar rod is embedded in the ALC base material.
In this state, after the ALC base material is semi-cured, the ALC base material is cut into a predetermined shape, and the cut ALC base material is subjected to autoclave curing, so that the ALC panel 20 as shown in FIG. Created.

With respect to the ALC panel 20 formed in this way, the mounting bolt that reaches the horizontal plane 1 is inserted from the mounting surface of the structural housing 9 of the ALC panel 20 to the position corresponding to the opening 4 of the mounting body 10 that is embedded and fixed. Hole 6 is drilled.
As shown in FIG. 1, the present embodiment is a case where the structural housing 9 is attached and fixed by the adjacent ALC panel 20, and the mounting bracket 7B having the structural housing 9 welded and fixed to one end side is attached. Arranged on the mounting surface of one ALC panel 20, the mounting bolt 5 is inserted into the mounting bolt insertion hole 6 from the mounting hole 7 c of the mounting bracket 7 B, and the inserted mounting bolt 5 is embedded in the ALC panel 20. The caulking nut 3 fixed to the attached mounting body 10 is screwed and fixed. In this case, since the caulking nut 3 is fixed to the mounting body 10, the mounting bolt 5 is screwed and fixed to the caulking nut 3 stably and firmly so as not to rotate together.
Next, the mounting bracket 7A is arranged on the mounting surface of the other ALC panel 20, the mounting bolt 5 is inserted into the mounting bolt insertion hole 6 from the mounting hole 7c of the mounting bracket 7A, and the mounting bolt 5 is inserted. Is fixed to the caulking nut 3 fixed to the mounting body 10 embedded in the ALC panel 20 in a stable and firm manner without joint rotation, so that the structural housing 9 is attached to each other via the mounting brackets 7A and 7B. The two ALC panels arranged adjacent to each other are firmly fixed with high precision.

  Thus, according to the present embodiment, a plurality of reinforcing bars 8 are arranged in the longitudinal direction and the width direction of the mold, and the crossing positions of the arrangement are welded to form a lattice-like reinforcing bar mat. The reinforcing bar mats are connected to each other at a predetermined interval by a spacer to form a reinforcing bar rod, and the caulking nut 3 is fixed to the horizontal surface 1 across the plurality of reinforcing reinforcing bars 8 on the predetermined reinforcing bar mat of the reinforcing bar rod. With the mounting body 10 welded and fixed at a predetermined position corresponding to the shape of the structural housing 9 at the protruding end of the vertical surface 2, the ALC slurry is poured into the mold to form the ALC panel 20. After the autoclave curing, the mounting bolt inserted into the ALC panel from the side facing the mounting bracket of the ALC panel is screwed and fixed to the caulking nut 3 fixed to the horizontal surface 1 of the mounting body 10. Therefore, an expensive long nut is no longer necessary, and the ALC panel 20 that has been properly reinforced in a state where manufacturing and mounting costs such as welding are reduced by a simple operation that does not require skill, can be used as a structural housing 9 of various shapes. It is possible to mount and fix with high accuracy and firmness in an appropriate manner.

It is a whole block diagram which shows the embedding state to ALC of one embodiment of this invention. It is explanatory drawing which shows the structure of the embodiment. It is a perspective view which shows the structure of the embodiment. It is explanatory drawing which shows the crimping fixing operation | movement of the crimping nut of the embodiment. It is explanatory drawing which shows the structure of the conventional anchor metal fitting. It is explanatory drawing which shows the structure of the other conventional anchor metal fitting.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Horizontal surface 2 Vertical surface 3 Caulking nut 4 Opening 5 Mounting bolt 6 Mounting bolt insertion hole 7A, 7B Mounting bracket 8 Reinforcing bar 9 Structure frame 14 Caulking jig 15 Caulking part

Claims (2)

An ALC embedded anchor bracket that is embedded in an ALC panel in which a plurality of reinforcing bars are embedded, and that fixes the ALC panel to a structural housing via a mounting bracket,
A horizontal plane arranged intersecting the reinforcing reinforcing bars, and both side edges in the longitudinal direction of the horizontal plane are provided with vertical surfaces bent and extended at right angles to the horizontal plane, straddling the plurality of reinforcing reinforcing bars, and the ALC A mounting body embedded and fixed in the panel;
An opening formed substantially at the center of the horizontal surface of the mounting body;
An ALC embedded anchor fitting, comprising: a caulking nut that is caulked to the horizontal plane at the opening position and is fixedly disposed in the mounting body. The fixedly arranged caulking nut has a width of a side facing surface equal to or less than an internal dimension of the vertical surface of the mounting body, and a diagonal length of a seating surface is in a range exceeding an internal dimension of the vertical surface of the mounting body. The ALC buried anchor metal fitting according to claim 1, wherein the ALC buried anchor metal fitting is a nut.

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