JPH04353139A - Fastening tool and its installation - Google Patents

Abstract

PURPOSE:To simply carry out fastening works in a short period and reduce construction time even there are many fastening spots. CONSTITUTION:A fastening tool 32 is provided with a fastening head 46 which can be contacted at the one side of the core member 34 of a floor panel 30, a fastening tool body 40 having a fastening shaft 48 for insertion of the core member 34 formed as a unit at the fastening head 46, and a washer 42 fitted at the fastening shaft 48. The fastening shaft 48 is provided with a plurality of protrusions 54 fitted with the washers 42 at least at the outer periphery of the front end, along the longitudinal direction of the shaft. This fastening tool 32 is inserted in the fitting hole 38 of the core member 34 and the washer 42 is attached to the front end of the fastening shaft 48 of fastening tool body 40 protruding from the other side face. And the other end of a fitting tool 44 fixed to the fastening shaft 48 at the one end is contacted on the washer 42. A part of fitting tool 44 is hit by a hammer 64 or the like and the washer 42 is fitted to the protrusion at the deep side of the fastening shaft 48, while the fastening shaft is drawn to the front side.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fastening tool and a method for installing the same, and more particularly to a fastening tool convenient for use in place of bolts and nuts, and a method for installing the same.

0002

2. Description of the Related Art In recent years, panel construction methods have come into use in which buildings are constructed by combining a plurality of panels as structural members.

[0003] In this panel construction method, each panel is bonded and fixed with an adhesive, but in the past, for floor panels etc., joining was performed as shown in Figs. 4 and 5, for example. .

FIGS. 4 and 5 show the joint state of the floor panels 10 on the second floor, and here, each floor panel 1
Adjacent core materials 12 of 0 are bonded together with adhesive, and bolts 16 are inserted into the mounting holes 14 formed in each core material 12, and nuts 18 are screwed onto the ends of the bolts 16 and tightened. This strengthens the bond between the core materials 12 of the floor panel 10 and prevents the floor panel 10 from creaking. In addition, 20 is a washer, and the bolt head 2
2 and between the nut 18 and the core material 12.

[0005]

[Problems to be Solved by the Invention] In the conventional example, in order to prevent the floor panel 10 from creaking, the floor panel 1
Bolts 16 and nuts 18 connect adjacent core materials 12 of 0 to each other.
Since the bolts 16 and nuts 18 were to be tightened and fixed, it took time and effort to tighten the bolts 16 and nuts 18.
Since there are a plurality of locations for tightening the nuts 18 on each floor panel 10, there is a problem in that the tightening and fixing work takes time and the work efficiency is not good.

The present invention has been made to solve the above-mentioned conventional problems, and its purpose is to eliminate the troublesome and time-consuming tightening work of bolts and nuts. To provide a fastening tool and its installation method that can be easily and quickly worked even if there are a large number of fastening points, and can shorten the construction period.

[0007]

[Means for Solving the Problems] In order to achieve the above object, the tying tool according to claim 1 includes a tying head that can come into contact with one side of an object to be cinched, and a tying head that is integrally attached to the tying head. a binding tool body having a formed binding shaft for penetrating the binding object;
a washer fitted to the tightening shaft, the tightening shaft comprising:
It is characterized in that at least the outer periphery of the tip portion is provided with a plurality of protrusions that can be fitted with the washer along the axial direction.

[0008] Furthermore, the method for attaching the fastening tool according to claim 2 is such that the fastening shaft of the fastening tool according to claim 1 is driven into and penetrated through the mounting hole formed in the object to be fastened, and the head of the fastening tool is fastened. A washer is attached to the tip of the tying shaft of the tying tool that is in contact with one side of the object and protrudes from the other side of the tying object, and the washer is taut while the tying shaft is drawn toward the tip side. It is characterized in that the shaft is fitted with a protrusion located on the outside of the object to be fastened.

[0009]

[Operation] According to the present invention having the above structure, first, mounting holes for inserting a fastening tool are formed in advance at corresponding positions of objects to be fastened such as panel core materials arranged adjacently, and these mounting holes are aligned. put. In this case, the mounting hole is preferably made slightly smaller than the outer diameter of the tightening shaft of the tightening tool.

Next, the tying shaft of the tying tool is driven into the mounting hole of the tying object, the head of the tying tool is brought into contact with one side of the tying object, and the tip of the tying shaft is attached to the other side of the tying object. Make it stick out from the side.

Next, a washer is attached to the tip of the tightening shaft protruding from the other side of the object to be tightened, and the other end of a mounting jig whose one end is fixed to the tightening shaft is applied onto the washer. Gaw.

[0012] Then, a part of the mounting jig is struck with a tool, and the washer is attached to the outside of the object to be fastened on the fastening shaft while the fastening shaft is pulled toward the tip side of the fastening shaft through the mounting jig. Fit it with the protrusion located at. In this case, the washer fits into the protrusion at a position where the object to be bound is securely bound.

[0013]Therefore, there is no need to tighten screws as with bolts and nuts, and it is sufficient to simply tap with a tool, eliminating the trouble of tightening screws and eliminating the need for time-consuming tightening. Therefore, even if there are a large number of tightening points, the work can be done easily and in a short time, and the construction period can be shortened.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described in detail below with reference to the drawings.

FIGS. 1 to 3 are diagrams showing a structure for connecting floor panels on the second floor using a fastening device according to an embodiment of the present invention.

The connection structure of the second floor floor panels of this embodiment is as follows:
Floor panels 30 arranged adjacent to each other are fastened together using a fastening tool 32.

The floor panel 30 has a framework formed of a wooden core material 34, onto which a floor material 36 is attached by gluing, nailing, or the like. Further, the adjacent core materials 34 of the adjacent floor panels 30 are bonded and fixed to each other with an adhesive. Furthermore, the adjacent core material 3
Attachment holes 38 through which the tightening tools 32 are inserted are formed at corresponding positions in each of the holes 4.

The binding device 32 includes a binding device main body 40 and a washer 4.
2, and the core material 3 of the floor panel 30 is installed using the installation jig 44.
4 can be installed.

The tying tool main body 40 includes a tying head 46 and a tying shaft 48, as shown in an enlarged view in FIG.

The tightening head 46 is disc-shaped and is adapted to abut against the core member 34 on one side. Further, on the contact surface 50 of the tightening head 46 with the core material 34, the core material 34
A toothed portion 52 is formed to ensure tightness by biting into.

The fastening shaft 48 is connected to the core material 3 of the floor panel 30.
The core member 34 is connected to the core member 34 by passing through the attachment hole 38 formed in the fastening head 46, and is integrally formed so as to protrude from the center of the abutment surface 50 of the fastening head 46. The length of this binding shaft 48 is set to a length sufficient to pull the tip of the binding shaft 48 with the mounting jig 44, and the diameter is set to have sufficient strength to connect the core material 34. It looks like this. Note that the attachment hole 38 of the core material 34 is connected to the fastening shaft 4.
The inner diameter is slightly smaller than the outer diameter of 8. Further, an end portion is left at the tip of the fastening shaft 48, and a plurality of protrusions 54 that can be fitted with the washer 42 are provided on the outer periphery of the end portion.
is formed along the axial direction. The projection 54 is formed into a conical tube shape (an umbrella shape) that widens toward the fastening head 46 side, and its large diameter portion is formed to be slightly larger than the through hole of the washer 42. Furthermore,
A notch 56 for hooking the attachment jig 44 is formed at the end of the tip.

The washer 42 is fitted onto the protrusion 54 of the fastening shaft 48 using a mounting jig 44.

The mounting jig 44 includes a washer pressing member 58 and a pushing member 60, as shown in an enlarged view in FIG.

The washer holding member 58 is plate-shaped, and has a recess 62 formed at the center of its tip to avoid the fastening shaft 48, so that both sides of the recess 62 can surely abut the washer 42. . Further, the pushing member 60 is rotatably attached to a position opposite to the tip of the washer pressing member 58.

The pushing member 60 is bent into a substantially L-shape, and the bent portion is connected to the washer holding member 58.
It is designed to be rotatably mounted on the Further, one end of the pushing member 60 is connected to the notch 5 of the fastening shaft 48.
6, and the other end is engaged with the hammer 64.
It can be hammered with tools such as.

Next, a method for attaching fasteners in the floor panel connection structure of this embodiment will be explained.

First, the mounting hole 3 for inserting the binding tool 32 is prepared in advance.
8 formed at the corresponding position of the core material 34 are arranged adjacently, and the floor panels 30 arranged adjacently.
The core members 34 of the core members 34 are aligned with each other and are bonded together with an adhesive.

Next, the tying shaft 48 of the tying tool main body 40 is
Hit the binding head 46 with a tool such as a hammer 64, and remove the core material 3.
4 into the mounting hole 38, and the contact surface 5 of the fastening head 46
0 is brought into contact with one side of one of the core members 34, and the tip of the fastening shaft 48 is made to protrude from the other side of the other core member 34.

Next, a washer 42 is attached to the tip of the fastening shaft 48 protruding from the other side of the other core member 34, and the washer pressing member 58 of the mounting jig 44 is applied onto the washer 42. At the same time, one end side of the pushing member 60 of the mounting jig 44 is engaged and fixed to the notch 56 of the tightening shaft 48 .

Then, when the other end of the pushing member 60 of the mounting jig 44 is hit with a tool such as a hammer 64, the fastening shaft 4 is pushed through the washer pressing member 58 of the mounting jig 44.
8 is attracted to the tip side. At the same time, the washer pressing member 58 presses the washer 42 due to the reaction force, and the washer 42
is fitted into the protrusion 54 on the back side located outside the core material 34 of the fastening shaft 48, and as a result, the core materials 34 are reliably connected and fixed to each other.

Therefore, unlike bolts and nuts, there is no need to tighten with screws, and it is sufficient to simply hit with a tool such as the hammer 64, eliminating the trouble of tightening screws and eliminating the need for time-consuming tightening. do not have. Therefore, even if there are a large number of tightening points, the connection work can be done easily and in a short time, and the construction period can be shortened.

In the above embodiment, the fasteners 32 are used to connect and fix the floor panels 30 in the panel construction method, but the fasteners 32 are not limited to this example, and can be used for buildings using conventional construction methods or other buildings. It is applicable not only to panels but also to various objects to be bound.

Further, although a toothed portion 52 is formed on the contact surface 50 of the tightening head 46, this toothed portion 52 may be omitted.

Furthermore, the protrusion 54 of the tightening shaft 48
4, but it is also possible to form it over the entire axial direction of the fastening shaft 48.

Further, the protrusion is not limited to the above embodiment, and for example, as shown in FIGS. 6(a) and 6(b), an umbrella-shaped protrusion 54
Various shapes can be taken, such as one in which a notch 54a is formed at the tip, and one in which bar-shaped protrusions 54 are arranged side by side in the circumferential direction. According to the protrusion 54 shown in FIGS. 6(a) and 6(b), the protrusion 54
Since the tip can be bent inward by elastic deformation, there is an advantage that insertion into the attachment hole 38 becomes easier.

Furthermore, although one end of the pushing member 60 of the mounting jig 44 is engaged with a notch 56 formed in the fastening shaft 48, the notch 56 is omitted;
One end of the pushing member 60 may be engaged with the protrusion 54.

[0037]

[Effects of the Invention] As explained above, according to the present invention,
Drive the tying shaft of the tying tool into the mounting hole formed in the tying object placed adjacently and pass it through, attach a washer to the tip of the tying shaft protruding from the tying object, and attach it to the mounting jig. Since the washer is fitted to the protrusion on the back side of the tensioning shaft while the tensioning shaft is drawn toward its tip, there is no need to tighten it with a screw like bolts and nuts. All you have to do is tap it, and there is no need to worry about tightening screws. Therefore, even if there are a large number of tightening points, the connection work can be done easily and in a short time, and the construction period can be shortened.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing a state in which floor panels are connected using a fastening tool according to an embodiment of the present invention.

FIG. 2 is a perspective view of the fastener of FIG. 1;

FIG. 3 is a perspective view showing a state in which the fastener is tightened using an attachment jig.

FIG. 4 is a perspective view showing a connected state of conventional floor panels.

FIG. 5 is a cross-sectional view showing a connected state of the bolt and nut in FIG. 4;

FIGS. 6(a) and 6(b) are partial perspective views showing a modification of the protrusion of the fastener.

[Explanation of symbols]

30 Floor panel 32 Tightening tool 34 Core material 38 Mounting hole 40 Tightening tool body 42 Washer 44 Mounting jig 46 Tightening head 48 Tightening shaft 54 Protrusion 64 Hammer
MH01
3801

Claims (2)

[Claims] 1. A tying tool body having a tying head capable of coming into contact with one side of a tying object, and a tying shaft for penetrating the tying object formed integrally with the tying head, and the tying shaft. a washer to be fitted into the fastening shaft, and the fastening shaft is provided with a plurality of protrusions along the axial direction that can be fitted to the washer, at least on the outer periphery of the distal end portion. 2. The tying shaft of the tying tool according to claim 1 is driven through the attachment hole formed in the tying object, and the head of the tying tool is brought into contact with one side of the tying object. A washer is attached to the tip of the tightening shaft of the tightening tool protruding from the other side, and with the tightening shaft drawn toward the tip side, the washer is attached to the protrusion of the tightening shaft located outside the object to be tied. An installation method for fasteners characterized by fitting them into place.