JP2000110298A - Suspension fitting and suspension method using it - Google Patents

Abstract

(57) [Summary] [Problem] To facilitate adjustment of a mounting position between an anchor and a system ceiling. When suspending a ceiling slab and a system ceiling, a position of a connection between a suspension position of a suspension bolt for an anchor installed on the ceiling slab and an attachment position of a system ceiling to be suspended. In order to correct the misalignment, a hanging metal fitting 60 provided with a position adjusting mechanism capable of adjusting the mounting position was used. The frame for correcting the displacement of the mounting position between the ceiling slab 10 and the system ceiling 12 which has been conventionally required becomes unnecessary.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for constructing a ceiling in building construction, and more particularly to a hanging metal fitting for connecting a ceiling slab and a hanging device or a hanging system ceiling, and a hanging method using the same.

[0002]

2. Description of the Related Art FIG. 11 shows a conventional system ceiling construction method. FIG. 12 is a detailed view showing a joint portion (portion C in FIG. 11) of the frame 14. FIG. 3 shows the system ceiling 1
2 and the joint between the frame 13 and the suspension bolt 17 (FIG. 1)
FIG. 2 is a detailed view of FIG.

Conventionally, when suspending the system ceiling 12 from the upper ceiling slab 10, it was necessary to interpose a frame 14 in the shape of a grape shelf between the ceiling slab 10 and the system ceiling 12. . Since the ceiling slab 10 is generally made of concrete, in order to screw the suspension bolt 16, an anchor 18 having a female thread at the center is embedded in the ceiling slab 10. The method of embedding the anchor 18 is as shown in the cross-sectional view of FIG. 13. The anchor 18 is driven. A tapered female screw is formed in the center of the anchor 18, and the outer wall of the anchor 18 expands by screwing a suspension bolt, so that the anchor 18 is fixed to the anchor hole 19.

However, the system ceiling 12 cannot be hung directly from the anchor 18 because the position of the anchor hole 19 drilled after concrete casting has a positional deviation due to a processing error of up to about 5 cm. Attachment hole positions preliminarily formed on the frame 13 of the system ceiling 12 and anchor holes 19 for hanging the system ceiling
This is because the position does not match. Conventionally, ceiling slab 1
The suspension bolt 16 is screwed into the anchor 18 embedded in
After drilling a hole in the frame 14 in accordance with the position of the suspension bolt 16, the suspension bolt 16 and the frame 14 are screwed together, and the frame 14 previously drilled in accordance with the mounting hole formed in the frame 13 of the system ceiling 12. And the suspension bolts 17 are screwed together to suspend the system ceiling 12.

Further, as shown in FIG. 14, when equipment 30 such as a fan coil is hung from the deck plate 32 or the like, it is necessary to screw the suspension bolts 36 and 38 while avoiding the trapezoidal slope of the deck plate 32. Therefore, a frame 34 for adjusting a mounting position between the deck plate and the device 30 such as a fan coil is necessary.

[0006]

SUMMARY OF THE INVENTION As indicated above,
In the conventional method of constructing a system ceiling and suspending equipment, a suspension bolt is suspended from an anchor, a frame made of a steel material or the like is formed, holes are drilled according to the position of the anchor 18, and a suspension bolt is further removed therefrom. , And a complicated process of suspending equipment such as a system ceiling and a fan coil is required, resulting in an increase in construction time and construction cost.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides an anchor suspension bolt suspended from an anchor buried in a ceiling slab, and a suspended bolt for suspending a predetermined position of a suspended object. A hanging metal fitting for connecting a hanging bolt for a suspended object with respect to a hanging position of the hanging bolt for an anchor. And a position adjusting mechanism for horizontally moving to the predetermined position.

According to a second aspect of the present invention, in order to achieve the above object, the hanging metal fitting according to the first aspect is attached to a lower end of an anchor hanging bolt suspended from an anchor embedded in a ceiling slab. Attach hanging bolts for a suspended object that suspends a predetermined position of the suspended object to the hanging metal fitting, and adjust a positional deviation between a hanging position of the anchor hanging bolt and the predetermined position of the suspended object. Adjusting the position adjustment mechanism of the hanging metal fitting so as to correct and moving the hanging bolt for the suspended object to the predetermined position, and then connecting the suspended bolt for the suspended object and the suspended object. Features.

In order to achieve the above object, the invention according to claim 3 is characterized in that the suspended object is a ceiling frame on which a fan filter unit is mounted. According to the present invention, the hanging bracket has a position where the hanging position of the hanging bolt for the suspended object relative to the hanging position of the anchor hanging bolt is horizontally moved to the predetermined position of the suspended object. Since the hanging fitting provided with the adjusting mechanism is used, a frame for correcting the positional deviation of the fitting with the predetermined position, which has been conventionally used, becomes unnecessary.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a suspension fitting according to the present invention. FIG. 1 is a diagram showing a first embodiment according to the present invention. FIG. 2 is an enlarged view of a portion A in FIG.
It is the detailed view which showed the use form of the hanging fixture which concerns on this invention. FIG. 3 is an enlarged view of a portion B in FIG. 1 and shows a portion where the suspension bolt and the frame of the system ceiling are connected.

As shown in FIG. 1, the anchor 18 buried in the ceiling slab 10 and the suspension fitting 60
It is screwed in. As shown in FIG. 2, the suspension bolt 47 is screwed by the nut 20 with the suspension bracket 60 and the washer 22 interposed therebetween.
As shown in the figure, the nut is screwed to the frame 13 of the system ceiling 12 with the washer 22 interposed therebetween.

According to the present invention, the system ceiling 12 is suspended as described above. Here, the mismatch between the position of the anchor hole 19 drilled after concrete casting and the position of the mounting hole previously machined in the frame 13 of the system ceiling 12 is caused by the hanging metal fitting 60 according to the present invention as shown in FIG. Rotation around the bolt 46 and the suspension bolt 47
Is moved along the elongated hole 62 of the suspension fitting 60, the suspension fitting can be adjusted within the range of the suspension fitting adjustment range 70. If the radius L of the hanging bracket adjustment range 70 is set to about 100 mm, it is sufficient as the adjustment range. The hole 64
Is a suspension bolt passage hole through which the suspension bolt 47 passes.

The hanging fitting according to the present invention is not limited to the above-described hanging fitting 60, and various modifications can be considered as described below. The hanging metal fitting 66 shown in FIG. 4 is a modified example in which a long hole 68 and a long hole 72 with a hanging bolt through hole are provided to increase the degree of freedom of adjustment. The hanging bracket 74 shown in FIG. 5 is an example in which the bolt 46 is moved along an elongated hole 78. 76 is a suspension bolt mounting hole.

The hanging bracket 80 shown in FIG. 6 is a modified example in which long holes 82 are provided on the upper and lower sides to increase the degree of freedom of adjustment. The hanging bracket 84 shown in FIG. 7 has a rigid, triangular side surface so as to suppress deformation of the hanging bracket relative to the weight of the system ceiling 12 to be suspended. 88 is a bolt hole, and 90 is a suspension bolt passage hole.

The hanging bracket 92 shown in FIG. 8 has a rigid side surface of a triangular shape and a reinforcing plate 100 formed by welding 102 so as to suppress deformation of the hanging bracket with respect to the weight of the system ceiling 12 to be suspended. The rigidity is further improved by welding. The hanging bracket 104 shown in FIG.
In order to facilitate the adjustment, a C-shaped channel is used for the hanging metal so that the rotation range of the wrench for rotating the bolt 46 can be widened. The radius L is adjusted. 106
Is a groove for passing a suspension bolt.

In the above embodiment, an example was shown in which the system ceiling was hung on the ceiling. However, the present invention is not limited to this. As shown in FIG.
Blowers and other equipment can be hung. In particular, this is an effective solution in a case where a position where a device is suspended and supported like a deck plate has a defect corresponding to a trapezoidal slope of the deck plate.

FIG. 10 is a diagram showing an embodiment of the second invention according to the present invention. As shown in FIG. 10, even when equipment 30 such as a fan coil is hung from the deck plate 32 or the like, it is necessary to screw the suspension bolts 37 avoiding the trapezoidal slope of the deck plate 32. A hanging bracket 60 for adjusting a mounting position is provided between the apparatus and a device 30 such as a fan coil. The mismatch between the mounting hole positions of each other is caused by the hanging fitting 6 according to the present invention.
By rotating the bolt 0 around the bolt 35 and moving the suspension bolt 39 along the elongated hole of the suspension bracket 60, the suspension can be adjusted within the range of the suspension bracket adjustment range 70.

[0018]

As described above, according to the hanging fitting of the present invention, the hanging fitting has a hanging position of the hanging bolt for the object to be suspended with respect to a hanging position of the hanging bolt for anchor. A position adjusting mechanism for horizontally moving the suspended object to the predetermined position is provided. The use of the suspension fitting according to the present invention eliminates the need for a frame for correcting a positional deviation of the fitting with the predetermined position, which has been conventionally used. Therefore, the construction is facilitated, and the construction time can be reduced and the construction cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a diagram showing an example of a system ceiling construction according to the present invention.

FIG. 2 is a diagram showing an example of using a hanging bracket according to the present invention.

FIG. 3 is a diagram showing a connection state between a frame 13 of a system ceiling 12 and a suspension bolt.

FIG. 4 is a view showing a modification of the hanging fitting according to the present invention.

FIG. 5 is a view showing a modification of the hanging fitting according to the present invention.

FIG. 6 is a view showing a modification of the hanging fitting according to the present invention.

FIG. 7 is a view showing a modification of the hanging fitting according to the present invention.

FIG. 8 is a view showing a modification of the hanging fitting according to the present invention.

FIG. 9 is a view showing a modification of the hanging fitting according to the present invention.

FIG. 10 is a diagram showing an example of hanging equipment according to the present invention.

FIG. 11 is a diagram showing an example of a conventional system ceiling installation.

FIG. 12 shows a frame 1 used for conventional system ceiling construction.
Figure 4 shows the details of joining

FIG. 13 is a view showing a method of burying an anchor.

FIG. 14 is a diagram showing an example of a conventional apparatus hanging.

[Description of Signs] 10 ... Ceiling slab 12 ... System ceiling 13 ... Frame 14 ... Frame 16, 17 ... Hanging bolt 18 ... Anchor 30 ... Equipment 60 ... Hanging bracket

Claims (3)

[Claims] 1. A hanging metal fitting for connecting an anchor hanging bolt suspended from an anchor embedded in a ceiling slab and a suspended object suspension bolt for suspending a predetermined position of the suspended object, The hanging bracket is provided with a position adjusting mechanism for horizontally moving a hanging position of the hanging bolt for the suspended object with respect to a hanging position of the anchor hanging bolt to the predetermined position of the suspended object. A hanging bracket characterized by being. 2. A hanging bracket according to claim 1, which is attached to a lower end of an anchor hanging bolt suspended from an anchor embedded in a ceiling slab, and a predetermined position of a suspended object is suspended from said hanging bracket. Attach a hanging bolt for a suspended object, and adjust a position adjusting mechanism of the hanging bracket so as to correct a positional deviation between a hanging position of the anchor hanging bolt and the predetermined position of the suspended object. A hanging method using a hanging metal fitting, wherein a hanging bolt for a suspended object is moved to the predetermined position, and then the hanging bolt for a suspended object is connected to the suspended object. 3. The suspension method according to claim 2, wherein the object to be suspended is a ceiling frame on which a fan filter unit is mounted.