JPH11201122A - Anchor nail for ALC - Google Patents

Abstract

PROBLEM TO BE SOLVED: To maintain a pull-off resisting strength even when a hair crack occurs to an ALC by a method a split occurs in a plurality of different directions due to drive in the ALC and a fastening force is generated in a plurality of different directions. SOLUTION: Superposed two metallic plates 2 and 3 are folded at a fold extending along the direction of length and the two metallic plates 2 and 3 are fixed together at one end part forming the head part side. Slopes 5 for a split are formed on the opposite side, where the two metallic plates 2 and 3 are superposed together, at the other end parts forming the tip side of at least one metallic plate of the two metallic plates 2 and 3. Through drive in the interior of the ALC, the splits are forced to occur in a plurality of different directions and when a hair crack occurs, a pull-off resisting strength is maintained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
The present invention relates to an anchor nail for ALC for constructing a suspended ceiling using (cellular concrete) and fixing various members to a wall.

[0002]

2. Description of the Related Art For example, when constructing a suspended ceiling or mounting a sash or door on a wall, if ALC is used as a base material, the hanging bracket for the suspended ceiling and the mounting bracket such as a sash or a door are mounted on the ALC. ALC to fix to
Requires the use of anchors for

As a conventional ALC anchor, a plastic or metal plug is used, and this plug is connected to the ALC.
Insert the plug into the prepared hole, and push the plug around with a boss, expand the plug by tightening the screw to the plug, expand the plug tip, the plug itself is screwed and the plug is screwed and fastened independently Types have been proposed.

[0004]

By the way, when an anchor is driven into the ALC, a hair crack may be formed at the anchor driving portion of the ALC after a lapse of years. In this situation, the conventional ALC anchor may not be used. However, there is a problem that the pull-out resistance is reduced at a stretch and the anchor is loosened or dropped.

[0005] This is because the conventional ALC anchors have a structure in which the fastening direction in the ALC is uniformly generated in one direction or in all directions in any type, so that the hair cracks are fixed to the anchors. Once the part is reached, the fastening force of the anchor weakens, which causes the anchor to loosen or fall off.

Accordingly, an object of the present invention is to strike the ALC into a plurality of different directions, and to generate a fastening force in a plurality of different directions. An object of the present invention is to provide an ALC anchor nail capable of maintaining strength.

[0007]

In order to solve the above-mentioned problems, the invention according to claim 1 is characterized in that two superposed metal plates are bent at a fold portion along the length direction, and the two metal plates are bent. Are fixed to each other at one end, which is the head side, and are opened at the other end, which is the tip side of at least one of the two metal plates, to the opposing surface side where the two metal plates overlap. This adopts a configuration in which an inclined surface for a leg is provided.

According to a second aspect of the present invention, the two superposed metal plates are bent at a fold along the length direction,
The two metal plates are fixed to each other at one end which is the head side, and at least one of the two metal plates is at the other end which is the tip side of the metal plate on the opposing surface side where the two metal plates overlap. An inclined surface for splitting the legs is provided, and the metal plate is cut off along the fold line from the end on the tip side to the vicinity of the end on the head side.

[0009] The invention of claim 3 is claim 1 or claim 2.
In the invention according to the first aspect, a configuration is employed in which the head is bent at an end portion on the head side of at least one of the metal plates.

[0010] The invention of claim 4 is the invention of claims 1 to 3.
In the invention of the fifth aspect, a structure is employed in which a latch is fixed inside an end portion on the head side of the metal plate which becomes inside by bending.

[0011] The invention according to claim 5 is the invention according to claims 1 to 4.
In the invention of the above, a configuration in which a bendable plate is interposed between the facing surfaces of the two metal plates overlapping each other, and the two metal plates and the bendable plate are fixed to each other at one end on the head side. is there.

According to a sixth aspect of the present invention, a plurality of face plates are formed by bending a metal plate at a fold portion along the length direction, and a metal plate for leg opening is overlapped on one surface side of each face plate in the metal plate.
The leg-spreading metal plate is fixed to the face plate at one end on the head side, and at the other end, which is the tip end side of each leg-spreading metal plate, on the facing surface side overlapping with the face plate, This adopts a configuration having an inclined surface.

According to a seventh aspect of the present invention, in the sixth aspect of the present invention, at least one of the face plate and the leg-spreading metal plate has a head portion bent at the head end. It was done.

The invention of claim 8 is the invention of claim 6 or claim 7.
In the invention of the first aspect, a configuration is employed in which a latch is fixed inside an end portion on the head side of the metal plate.

The invention of claim 9 is the invention of claims 6 to 8
In the invention, a bendable plate is interposed between opposing surfaces of the face plate and the metal plate for leg opening, and the face plate, the metal plate for leg separation and the bendable plate are fixed to each other at one end on the head side. Is adopted.

According to a tenth aspect of the present invention, the two superposed metal plates are formed in a cross-sectional shape in which a part of a cylindrical shape is cut off as in a U-shaped cross section, and the two metal plates are connected to the head side. At one end of the two metal plates are fixed to each other, and at the other end of the two metal plates, which is the tip end side of at least the outer metal plate, on the facing surface side where the two metal plates overlap, an inclined surface for leg opening is provided, In this configuration, the outer metal plate is cut into a plurality of pieces at a cut from the end on the tip side to the end on the head side.

According to the eleventh aspect of the present invention, an outer metal plate partially open in a cylindrical shape is overlapped on the outer side of the metal cylinder, and the metal cylinder and the outer metal plate are fixed to each other at one end portion on the head side. An inclined surface for a leg is provided at the other end of the outer metal plate at the other end, which is the leading end of the outer metal plate. This is a configuration in which a plurality of cuts are made at a break toward.

[0018]

Embodiments of the present invention will be described below with reference to the drawings.

In the anchor nail 1 according to the first embodiment shown in FIG. 1A, two metal plates 2 and 3 which are overlapped are bent into an L-shaped cross section at a fold along the length direction. And
The two metal plates 2 and 3 are each formed into a combination of rectangular face plates 2a, 2a and 3a, 3a by bending, and the two metal plates 2 and 3 are welded at one end on the head side. The two metal plates 2 and 3 are fixed to each other by
At least on both side plates 3a and 3a of the outer metal plate 3,
At the other end, which is the front end side, where the two metal plates 2 and 3 overlap with each other, an inclined surface 5 for leg opening, which is inclined upward from the front end toward the inside, is provided.

The two metal plates 2 and 3 are opposed to face plates 2a and 3
Since a is fixed at the end on the head side, the other portions merely overlap, and the face plate 3a of the outer metal plate 3 provided with the inclined surface 5 for the legs is an inner metal plate. The legs can be opened outward from the distal end side with respect to the second face plate 2a.

Further, a head 6 which is bent so as to protrude outward is integrally provided at an end of the outer metal plate 3 on the head side. The head 6 can be provided at the end of the inner metal plate 2 on the side of the head so as to protrude inward, can be omitted depending on the use of the anchor nail 1, and the inclined surface 5 for the open leg is made of metal. Opposing face plates 2a and 3 of plates 2 and 3
a.

The anchor nail according to the second embodiment shown in FIG. 1B is similar to the anchor nail 1 according to the first embodiment.
, The head is omitted, and a latch 8 having a screw hole 7 for screwing a bolt is welded and fixed to an inner portion at an end on the head side of the inner metal plate 2.

The anchor nail according to the third embodiment shown in FIG. 2 is similar to the anchor nail 1 according to the first or second embodiment, and is provided along the fold of the outer metal plate 3 along the fold. A cut 9 is provided, and the face plates 3a on both sides are separated from the end on the front end side to the vicinity of the end on the head side, and the face plate 3a is cut off.
The leg opening is improved. Although not shown, a cut may also be provided in the fold portion of the inner metal plate 2 from the end on the distal end side to the vicinity of the end on the head side.

The anchor nail 1 of the fourth embodiment shown in FIGS. 3A and 3B is obtained by bending a single metal plate 2 into a L-shaped cross section at a fold along the length direction. A rectangular face plate 2a is formed, and each face plate 2a of the metal plate 2 is formed.
a metal face plate 3a for an open leg is superimposed on the outer surface side of a, and the metal face plate 3a for an open leg is fixed to the face plate 2a by welding 4 at one end on the head side, and the metal face plate 3a An inclined surface 5 for leg opening is provided on the opposite surface side that overlaps the face plate 2a at the other end, which is the distal end side. FIG. 3 (B) shows a state in which the metal face plate 3a for leg opening is opened when the metal surface plate 3a is driven into the ALC. Also in this embodiment, a cut may be provided in the fold portion of the metal plate 2 from the end on the tip side to the vicinity of the end on the head side.

The anchor nail according to the fifth embodiment shown in FIG. 1C is the same as the anchor nail according to the fourth embodiment, except that the thin metal is provided between the facing surfaces of the face plate 2a and the metal plate 3a for leg opening. With a bendable plate 10 made of a plate
a, the metal face plate 3a for leg-spreading, and the bendable plate 10 are fixed to each other by welding 4 at one end on the head side. FIG. 1 (C) shows the opened state of the metal face plate 3a for leg opening when the metal plate 3a is driven into the ALC.
Although it is compressed by LC and bends in a zigzag manner between the face plate 2a and the metal face plate for leg opening 3a, it is in a flat state before the anchor nail 1 is driven into the ALC.

The anchor nails 1 according to the third to fifth embodiments have an L-shaped cross section in any case. Good.

An anchor 1 according to a sixth embodiment shown in FIG.
The nail is formed in a cross-sectional shape in which a part of a cylindrical shape is cut off like two U-shaped metal plates 11 and 12 overlapped, and the two metal plates 11 and 12 are on the head side. One of the two metal plates 11 and 12 is fixed to each other, and the other end of the two metal plates 11 and 12 is at least the distal end of the outer metal plate 12. The outer metal plate 12 is cut into a plurality of leg-spreading face plates 12a at cuts 9 extending from the end on the tip side to the end on the head side.

In the anchor nail 1 according to the seventh embodiment shown in FIG. 5, an outer metal plate 14 having a partially open cylindrical shape is superimposed on a metal tube 13 so that the metal tube 13 and the outer metal plate 14 The outer metal plate 1 is fixed to each other at one end on the head side.
An inclined surface 5 for leg opening is provided on the other facing side where the two metal plates 13 and 14 overlap with each other at the other end, which is the distal end of the outer metal plate 4. The outer metal plate 14 is located between the distal end and the head end. It is separated into a plurality of leg-opening face plates 14a at a cut 9 toward the part.

In the sixth and seventh embodiments, the number of cuts 9 provided in the outer metal plates 12, 14 can be arbitrarily selected.

The head 6, the latch 8 and the bendable plate 10 shown in each embodiment can be combined with each other in the other embodiments.

The anchor nail of the present invention is configured as described above. For example, when a suspended ceiling is constructed or a sash, a door or the like is attached to a wall under the condition that ALC is used as a base material, a suspended ceiling is used. It is used to fix mounting brackets such as sashes and doors to the ALC,
The anchor nail shown in each embodiment is selected and used according to the condition of the partner to be fixed.

As a specific example, the anchor nail 1 of the embodiment shown in FIG. 1 (A), FIG. 2, or FIG. Attach the sash to the wall and fix the sash to the wall.

The anchor nail 1 of the embodiment shown in FIG. 1 (B) is driven into an ALC which is a ceiling base, so that a ceiling hanging metal fitting is provided in a screw hole 7 of a latch 8 using a nut. With bolts to build a suspended ceiling.

Further, the anchor nail 1 having the hook 8 fixed to the head side is driven into ALC which is a wall base, thereby fastening the door frame mounting bracket with bolts to mount the door frame. Can be used for performing applications.

FIGS. 6A and 6B show a state in which the anchor nail according to the second embodiment is driven into the ALC 21. One end on the head side is fixed to each other by means of welding 4 or the like. When the two metal plates 2 and 3 are driven toward the ALC 21, the outer metal plate 3 is acted on by the inclined surface 5 provided at the tip.
The legs are opened outward with the approach, and AL is placed between the two metal plates 2 and 3.
C21 is confined in a compressed state.

As described above, when the metal plate 3 is opened in the ALC 21, the pull-out resistance is obtained. Since the metal plates 2 and 3 have an L-shaped cross section, the outer metal plate 3 is opened. The length direction in the cross section of the legged portion occurs in two directions with an angle as shown in FIG.

Therefore, the ALC into which the anchor nail 1 is driven
Even if a hair crack 22 that reaches one of the open leg portions enters the fastening portion of the anchor nail 1, the other open leg portion maintains the pull-out resistance, thereby causing loosening or falling off. Can be prevented.

In the anchor nail 1 according to another embodiment, the length of the cross section of the open leg portion becomes plural by driving into the ALC, and the same pull-out resistance to the hair crack is obtained. Can be maintained.

[0039]

As described above, according to the present invention, AL
Since the length direction in the cross section of the open leg portion is changed to a plurality of different directions by driving into the C, the hair reaching the open leg portion is attached to the fastening portion of the anchor nail of the ALC into which the anchor nail is driven. Even if it cracks,
The remaining open leg maintains the pull-out resistance, thereby preventing loosening and falling off.

Further, by providing a head and a latch on the head side of the anchor nail, the use of the anchor nail can be expanded.

Further, when a bendable plate is provided between the facing face plates, the ALC between the face plates can be strongly compressed by the deformable bendable plate at the time of driving into the ALC. Is prevented, thereby improving the pull-out resistance.

[Brief description of the drawings]

1A is a perspective view showing a first embodiment of an anchor nail, FIG. 1B is a perspective view showing a second embodiment of an anchor nail, and FIG. 1C is a fifth view of an anchor nail. Perspective view showing an embodiment

FIG. 2 is a perspective view showing a third embodiment of the anchor nail.

FIGS. 3A and 3B are perspective views showing a fourth embodiment of the anchor nail.

FIG. 4 is a perspective view showing a sixth embodiment of the anchor nail.

FIG. 5 is a perspective view showing a seventh embodiment of an anchor nail.

FIG. 6A shows an anchor nail according to the second embodiment,
A longitudinal sectional view showing a state of being driven into C, and FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Anchor nail 2 Metal plate 3 Metal plate 5 Inclined surface 6 Head 8 Latch 9 Break 10 Flexible plate 11 Metal plate 12 Metal plate 13 Metal plate 14 Metal plate

Claims (11)

[Claims] 1. Two superposed metal plates are bent at a fold along the length direction, and the two metal plates are fixed to each other at one end on the head side. An anchor nail for ALC, wherein an inclined surface for an open leg is provided on at least one of the metal plates at the other end, which is the leading end side of the metal plate, on the opposing surface side where the two metal plates overlap. 2. The two superposed metal plates are bent at a fold along the length direction, and the two metal plates are fixed to each other at one end on the head side. At the other end of at least one of the metal plates, which is the leading end side of the metal plate, on the facing surface side where the two metal plates overlap, an inclined surface for opening the legs is provided, and the one metal plate is cut along the fold portion, An anchor nail for ALC that is cut off from the distal end to the vicinity of the head end. 3. The ALC anchor nail according to claim 1, wherein the head is bent at at least one end of the metal plate on the head side. 4. The latch according to claim 1, wherein the latch is fixed inside an end on the head side of the metal plate which is turned inside by bending.
An anchor nail for ALC according to any one of claims 1 to 3. 5. A bendable plate is interposed between overlapping surfaces of both metal plates, and the two metal plates and the bendable plate are fixed to each other at one end on the head side. An anchor nail for ALC according to any one of the above. 6. A metal plate for leg opening is formed by bending a metal plate at a fold portion along a length direction to form a plurality of face plates, and a metal plate for leg opening is overlapped on one surface side of each face plate in the metal plate. Is fixed to the face plate at one end on the head side, and an inclined surface for leg opening is provided on the opposite surface side overlapping with the face plate at the other end on the tip end side of each metal plate for leg opening. Anchor nails. 7. The anchor nail for ALC according to claim 6, wherein a head is bent at an end of at least one of the face plate and the metal plate for leg opening on the head side. 8. The ALC anchor nail according to claim 6, wherein a latch is fixed inside an end portion of the metal plate on the head side. 9. A bendable plate is interposed between the face plate and the facing surface of the leg-opening metal plate, and the face plate, the leg-opening metal plate and the bendable plate are fixed to each other at one end on the head side. An anchor nail for ALC according to any one of claims 6 to 8. 10. An end portion in which two superposed metal plates are formed in a cross-sectional shape in which a part of a cylindrical shape is cut off as in a U-shaped cross section, and the two metal plates are on the head side. The two metal plates are fixed to each other, and at least the other end, which is the distal end side of the outer metal plate of the two metal plates, is provided with an inclined surface for splitting legs on the facing surface side where the two metal plates overlap with each other. An anchor nail for ALC which is cut into a plurality of pieces at a cut from the end on the tip side to the end on the head side. 11. An outer metal plate in which a part of a cylindrical shape is opened is superposed on the outside of the metal tube, and the metal tube and the outer metal plate are fixed to each other at one end on the head side. An inclined surface for leg opening is provided on the opposing surface side of the two metal plates at the other end which is the distal end of the metal plate, and this outer metal plate is provided with a plurality of cuts at the cut from the end on the distal end side to the end on the head side. ALC anchor nails that have been cut off.