JPH05295829A - Suspension bolt supporter - Google Patents

Abstract

PURPOSE:To carry out fastening with bare hands and enhance the efficiency of fitting and removing works. CONSTITUTION:This is a suspension bolt supporter which fits a suspension bolt 1 equipped with a nut 2 into a groove 5 in a deck plate through a plurality of holding plates. The holding plate is composed of a vertical face of plate provided with the fitting hole to fit at the peripheral end 7 of the nut and a bend 9 folded outward, contacting the inner peripheral face of the groove 5 of deck plate, at the upper end of the vertical part of plate. The peripheral end 7 of the nut is fitted in the fitting hole at the plate-vertical part and the plate-vertical part is closely jointed to the suspension bolt and the suspension bolt is fastened so that the bend 9 gets into contact with the inner peripheral face of the groove 5 in the deck plate in order to fix the suspension bolt 1 into the groove 5 in the deck plate.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suspension bolt support, and more particularly, to a suspension bolt support that can be inserted into a groove of a deck plate and mounted to attach a suspension bolt.

[0002]

2. Description of the Related Art Conventionally, there are various kinds of suspension bolt supports of this type. For example, a bolt hole is provided at the center of a plate, nuts are fixed to the upper portions of the bolt holes, and left and right ends of the plate are also fixed. There is known a structure in which a portion is bent upward to form a rising surface, and a tip portion of the rising surface is bent inward to provide a triangular portion.

In this hanging bolt supporter, the support body is inserted into the groove of the deck plate, and the bolt is inserted into the bolt hole and tightened to expand the triangular portion, thereby expanding the triangular portion. However, it is used by engaging with the groove of the deck plate. Therefore, there is an advantage that the support body can be easily attached to the groove of the deck plate and can be securely held.

[0004]

However, the above-mentioned suspension bolt support has the following problems. That is, a tightening tool is required for tightening bolts (long screws), and it is impossible to tighten with bare hands, resulting in poor workability. Since the structure is complicated and there are many bending points, metal fatigue easily occurs. There are problems such as.

The present invention has been made in view of the above-mentioned problems, and the purpose thereof is to be able to perform tightening work with bare hands and to improve work efficiency of attachment / detachment work. It is to provide a suspension bolt support that can be performed.

[0006]

As a means for solving the above-mentioned problems, the hanging bolt support of the present invention comprises:
A hanging bolt supporting tool for mounting a hanging bolt having a nut attached thereto in a groove of a deck plate via a plurality of holding plates, wherein the holding plate has a fitting hole fitted to a peripheral end portion of the nut. A plate vertical surface portion, and an upper end portion of the plate vertical surface portion having a bent portion that bends outward so as to contact the inner peripheral surface of the groove of the deck plate, and the peripheral end portion of the nut has a plate vertical surface portion of the plate vertical surface portion. By fitting the fitting hole and abutting the plate vertical surface portion on the hanging bolt, and tightening the hanging bolt to bring the bent portion into contact with the inner peripheral surface of the groove of the deck plate, The hanging bolt can be attached to the groove of the deck plate.

In the hanging bolt support of the present invention, in the above invention, a plate having a P-shaped vertical section or a key-shaped plate is used as the holding plate.

[0008]

According to the hanging bolt support of the present invention, a plurality of holding plates are inserted into the grooves of the deck plate so that the bent portions of the holding plates face outward, and a nut is attached between the holding plates. Insert a bolt, fit a part of the upper end of the peripheral edge of the nut into a fitting hole formed in the plate vertical surface of the sandwiching plate, and further attach the plate vertical surface to the hanging bolt. In this state, after fitting the peripheral end portion of the nut, the suspension bolt is further tightened, and the upper end surface of the suspension bolt is brought into contact with the upper end surface of the deck plate, so that the bent portion of the holding plate is decked. Install by contacting and fixing to the inner peripheral edge of the plate groove.

Therefore, according to the hanging bolt support of the present invention, the work of inserting the plurality of holding plates into the grooves of the deck plate so that the bent portions of the holding plates face outward, and after the insertion, Since the bolt can be attached to the deck plate by a continuous manual work of inserting and tightening the bolt between the sandwiching plates, the workability thereof can be improved, and the sandwiching plate and the nut can be fitted into the sandwiching plate. Since the bent portion of the holding plate is fixed in the groove of the deck plate while being integrated by the joint portion and the peripheral end portion of the nut, the hanging bolt can be stably attached to the groove of the deck plate in a stable state. It works so that it can be attached.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 are as follows.
1 shows an embodiment of the present invention, FIG. 1 is a front view of a mounting state, FIG. 2 is a partially enlarged view of FIG. 1, FIG. 3 is a side view and a perspective view of a holding plate, FIG. 5 to 7 show another embodiment of the present invention, FIG. 5 is a front view of an attached state, FIG. 6 is a perspective view of a holding plate, FIG. 7 is a plan view of a nut, and FIGS. FIG. 8 is a front view of the attached state, and FIG. 9 is a perspective view of the holding plate.

The hanging bolt support of this embodiment is roughly described as follows: the hanging bolt 1, the nut 2, and the holding plate 3.
It is composed of three parts. The hanging bolt 1 can be attached to the groove 5 of the deck plate 4 by using the nut 2 and the washer 3. Here, the groove 5 of the deck plate 4 is formed in a dovetail groove shape in the ceiling portion of the building, and usually has a width of 2 cm, a depth (ceiling) of 3 cm, and a depth of 1 cm, and its angle. α is about 45 to 70 °.

The suspension bolt 1 is a long screw, and a screw for screwing the nut 2 is provided at the tip end thereof.
As the nut, an ordinary nut such as a square nut or a hexagon nut is used. In addition, a nut with a dowel (a nut having an outward protrusion on the lower peripheral end of the nut) is used as necessary. Here, W3 / 8 is used as the long screw, and W3 / 8 nut and nut H-6 are used as the nut.

The sandwiching plate 3 has a plate thickness of 1 mm to 1.
The plate has a thickness of about 6 mm, and the plate vertical surface portion 6 is provided with a fitting hole 8 into which the peripheral end portion 7 of the nut 2 is fitted. A bent portion 9 that is bent outward is formed at the upper end of the plate vertical surface portion 6 to form a P-shaped plate (washer) with a vertical cross section, and the bent portion 9 is a groove of the deck plate 4. 5 is formed so as to contact the groove inner surface 10 and the tapered surface 11. Here, in the sandwiching plate 3, when the nut 2 is the nut, the fitting hole 8 has a trapezoidal hole of 17 mm × 14 mm × 8 mm.

The suspension bolt support of this embodiment is
First, at the left and right positions of the groove 5 of the deck plate 4, the sandwiching plates 3, 3 are formed so that the bent portions 9, 9 face outward and the plate vertical surface portions 6, 6 form an eight shape. Insert. Then, a hanging bolt (long screw) 1 in which a nut 2 is mounted so as to be flush with the upper end in advance is inserted from the lower side of the sandwiching plates 3 and 3 which are inserted in the shape of a figure of eight to sandwich the sandwiching plate 3. , 3 plate vertical surface part 6,
Part of the upper ends of the peripheral end portions 7, 7 of the nut 2 is fitted into the fitting holes 8, 8 formed in the nut 6.

Next, the plate vertical surface portions 6 and 6 are attached to the suspension bolt 1, the peripheral end portions 7 of the nut 2 are fitted, and the suspension bolt 1 is further tightened to suspend the suspension bolt 1.
By bringing the upper end of the holding plate 3 into contact with the upper end surface of the deck plate 4, the bent portions 9, 9 of the sandwiching plates 3, 3 are attached to the inner peripheral surfaces 10, 11 of the groove 5 of the deck plate 4 by contacting and fixing them.

Therefore, the work of inserting the left and right holding plates 3, 3 into the groove 5 of the deck plate 4 so that the bent portions 9, 9 are respectively outward, and the holding plate 3, 3 after the insertion. The workability can be improved by being able to attach to the deck plate 4 by a continuous manual work of inserting and tightening the suspension bolt 1 between the three, and the holding plates 3 and 3 and the nut 2 can be attached to the holding plate. The fitting portions 9 and 9 of the nuts 3 and 3 are integrated with the peripheral end portions 7 and 7 of the nut 2, and the bent portions 9 and 9 of the holding plates 3 and 3 are fixed in the groove 5 of the deck plate 4. Because it is done
The hanging bolt 1 acts so that it can be mounted in the groove 5 of the deck plate 4 in a stable state.

The present invention is not limited to the above-described embodiments, but includes modifications that can be implemented without changing the gist of the present invention. For example, as shown in FIGS. 5 to 7, a nut with a dowel may be used as the nut 2. In the case of this configuration, when the hanging bolt 1 is mounted in the groove 5 of the deck plate 4, the nut 2 is mounted in a state where the tip of the hanging bolt 1 is about the thickness of the nut 2, that is, the bolt tip is It is preferable that the nut 2 is attached so as to protrude from the nut 2. Further, as shown in FIG. 7, the sandwiching plates 3 and 3 for the nut 2 may be fitted in a crossed state instead of being fitted in a parallel state.

As shown in FIGS. 8 to 10, a nut with a dowel may be used as the nut 2 and a key plate may be used as the holding plates 3 and 3. In addition, in the case of this configuration, it is preferable that the plate itself is provided with the ribs 12 in order to impart strength, and that the plate thickness is slightly hotter than that of the above-described embodiment. Further, in each of the above-described embodiments, the configuration in which the two sandwiching plates are used on the left and right sides has been described, but it goes without saying that the configuration may be such that three or more sandwiching plates are used.

[0019]

As is apparent from the above description, according to the hanging bolt support of the present invention, the plate vertical surface portion having the fitting hole to be fitted to the peripheral end portion of the nut, and the plate vertical surface portion. A holding plate having an upper end portion and a bent portion that bends outwardly in contact with the inner peripheral surface of the groove of the deck plate is used, and the peripheral end portion of the nut is fitted into a fitting hole of the plate vertical surface portion and Since the plate vertical surface portion is attached to the hanging bolt, and the hanging bolt is tightened so that the bent portion comes into contact with the inner peripheral surface of the groove of the deck plate, On the other hand, by a continuous manual operation of inserting a plurality of sandwiching plates so that the bent portions thereof face outward, and inserting and tightening the bolts between the sandwiching plates after the insertion, deck Since it can be attached to the plate, its workability can be improved, and the holding plate and the nut are integrated by the fitting portion of the holding plate and the peripheral end portion of the nut, and the holding plate can be folded. Since the curved portion is fixed in the groove of the deck plate, there is an effect that the suspension bolt can be mounted in the groove of the deck plate in a stable state.

Therefore, according to the present invention, the hanging bolt can be mounted and mounted in the groove of the deck plate by tightening with bare hands, and the working efficiency of the mounting / removing work can be improved. Can be provided.

[Brief description of drawings]

FIG. 1 is a front view of an attached state of an embodiment of the present invention.

FIG. 2 is a partially enlarged view of FIG.

FIG. 3 is a side view and a perspective view of a sandwiching plate.

FIG. 4 is an explanatory diagram of a mounting procedure.

FIG. 5 is a front view of another embodiment of the present invention in a mounted state.

FIG. 6 is a perspective view of the holding plate in FIG.

FIG. 7 is a plan view of the nut in FIG.

FIG. 8 is a front view of another embodiment of the present invention in a mounted state.

9 is a perspective view of the holding plate in FIG.

[Explanation of symbols]

1 ... Hanging bolt (long screw), 2 ... Nut, 3 ...
..Clamping plates, 4 ... Deck plates, 5 ...
Deck plate groove, 6 ... Plate vertical surface, 7 ...
..Nut peripheral end portion, 8 ... Fitting hole, 9 ... Bent portion, 10, 11 ... Inner circumferential surface of groove, 12 ... Rib

Claims (2)

[Claims] 1. A suspension bolt supporter for mounting a suspension bolt having a nut attached thereto in a groove of a deck plate through a plurality of clamping plates, wherein the clamping plate is fitted to a peripheral end portion of the nut. A plate vertical surface portion provided with a fitting hole; and an upper end portion of the plate vertical surface portion having a bent portion that bends outward so as to come into contact with an inner peripheral surface of the groove of the deck plate. It fits in the fitting hole of the plate vertical surface portion, and the plate vertical surface portion is attached to the hanging bolt, and the hanging bolt is tightened so that the bent portion comes into contact with the inner peripheral surface of the groove of the deck plate. The hanging bolt supporter is characterized in that the hanging bolt can be attached to the groove of the deck plate by the above. 2. The hanging bolt support according to claim 1, wherein the holding plate is a P-shaped or key-shaped plate having a vertical cross section.