JP2002356924A - Tension metal fitting, and tightening method for framing member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tension metal fitting which can be easily manufactured, in which kinds of parts can be reduced, and in which installation work can be easily conducted. SOLUTION: This tension metal fitting 10 is used for pulling a horizontal member 12 to be reinforced at a joint part 13 where a main beam 11 is to be connected to the horizontal member 12. It comprises a tightening metal fitting main body 16, a latch side fastening bolt 17, and a receiver side pulling bolt 18. The tightening metal fitting main body 16 is tightly disposed on a side surface of the horizontal member 12, and it comprises a tight plate part 20 where a latch side female screw hole 19 is provided, a pulling plate part 22 disposed to be perpendicularly bent from the tight plate part 20 in L from, and provided with a receiver side female screw hole 21, and a pair of perpendicularity holding plate parts 23 installed between a side edge part of the pulling plate 22 and a side edge part of the tight plate part 20. The latch side female screw hole 19 and the receiver side female screw hole 21 are provided to be deflected in the width direction of the tightening metal fitting main body 16.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tying member and a method of tying a framing member. More particularly, the present invention relates to a tying member for connecting a angling member to a receiving member. The present invention relates to a fastener and a method for fastening a frame assembly member, which are used for drawing to the assembly member side for reinforcement.

[0002]

2. Description of the Related Art A wooden building is formed by attaching a secondary member such as a wall member to a frame member such as a pillar, a beam, a girder, or a bracing. These frame members are generally joined and integrated via various ports, and are assembled so as to have a strong frame structure.

In order to obtain a stronger joint structure, it is preferable to reinforce the joints of these frame members by using various types of binding hardware. As a method of reinforcement, a method using a blade bolt 50 as shown in FIG. 7 is generally known.

[0004] The structure of the joint portion of the frame member using the blade plate bolt 50 is, for example, a joint between a receiving-side frame member 51 and a hook-side frame member 52 that are cross-joined via a joint 59 in a cross shape. The part is reinforced. That is, the blade portion 53 of the blade bolt 50 is brought into contact with the side surface of the hanging-side frame member 52, and the rod portion 54 of the blade bolt 50 is caused to penetrate the receiving-side frame member 51, and the male screw portion 55 at the distal end is formed. Fastened to the opposite side via a washer and a nut 60. A bolt hole 56 is formed in the blade plate portion 53 abutting on the side surface of the hanging-side frame member 52, and a shaping bolt member 57 penetrating through the hanging-side frame member 52 through the bolt hole 56.
And the male screw portion 58 at the tip thereof is
1 and fastened to the opposite side. Then, the blade plate bolt 50 and the hairpin bolt member 57 are connected to the nuts 60 and 6.
1, the hanging-side frame member 52
The connection portion is reinforced by being pulled toward the receiving side frame member 51 side.

[0005] However, the blade plate bolt 50 is composed of the blade plate portion 53 and the rod portion 54, and is manufactured by a pressing process for bending the blade plate portion 53 and a welding process for joining and integrating the rod portion 54. The manufacturing process is complicated. In addition, since it is necessary to use various types of blade plate bolts 50 in which the length of the rod portion 54 is changed according to the width of the receiving side frame member 51, it is difficult to adjust the picked-up stock amount, In addition, a lot of labor is required for the operation of selecting and installing the vane plate bolts 50 having an appropriate length. Furthermore, it was difficult to perform the mounting work, especially in work at height.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and is easy to manufacture, can reduce the number of types of parts, and can easily perform a mounting operation. It is an object of the present invention to provide a tying member used to reinforce a connection portion of an assembly member and a method of tying a shaft assembly member using the tying member.

[0007]

According to the present invention, the hook-side frame member is drawn toward the receiving-side frame member and reinforced at a connection portion where the hook-side frame member is joined to the receiving-side frame member. And a fastening metal body, a hanging-side fastening bolt, and a receiving-side pulling bolt, and the fastening metal body is closely attached to a side surface of the hanging-side frame member, An adhesive plate portion provided with a hook-side female screw hole into which the hook-side fastening bolt is screwed; and an L-shaped bent from the close-contact plate portion, and the receiving-side fastening bolt is screwed. A pulling plate portion provided with a female screw hole on the receiving side, and a plate portion interposed between a side edge portion of the pulling plate portion and a side edge portion of the close contact plate portion. Supports the vertically bent state of The hanging-side female screw hole and the receiving-side female screw hole are screwed into these, and project inward. The leading ends of the hook-side fastening bolts or the receiving-side pulling bolts attached through the assembly member are provided so as to be displaced in the width direction of the tying member main body so as not to interfere with each other. The object has been attained by providing a binding metal fitting which is a feature (the invention according to claim 1).

According to the buckle of the present invention, the hook-side female screw hole and the receiving-side female screw hole are formed as burring holes projecting into the inside of the tie metal body, or integrally formed inside the tie metal body. It is preferable that it is constituted by a nut-shaped member attached as a second member (the invention according to claim 2). The nut-shaped member includes various ring-shaped nut-shaped members having a female screw hole formed in the center, in addition to a so-called hexagonal nut.

Further, according to the tying member of the present invention, the hanging side fastening bolt and the receiving side pulling bolt have their heads connected to the receiving side frame member or the hanging side frame member via washers. It is preferable that the washer is fixed and the washer is fixed to the receiving-side frame member or the hook-side frame member by nailing (the invention according to claim 3).

The present invention also provides a method for fastening a frame member using any one of the above-described fasteners, the method comprising: The fastening plate body is attached in advance by bringing the contact plate portion into close contact with the side surface of the hanging-side frame assembly member while matching with the hanging-side female screw hole, and the hanging-side shaft assembly is attached to the receiving-side frame member. After assembling the member, the hanging side fastening bolt and the receiving side pulling bolt are respectively fastened and fixed to the hanging side female screw hole and the receiving side female screw hole, and the connection portion is reinforced. The above object has been achieved by providing a method of fastening a frame member as described above (the invention according to claim 4).

[0011]

Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. As shown in FIGS. 1 and 2, the tie 10 of the present embodiment connects a horizontal member 12, which is also a wooden frame member, to a main beam 11, which is a wooden frame member, for example. It is used to reinforce the connection portion 13 at the time of joining by crossing in the orthogonal direction via the portion 13. In the present embodiment,
The main beam 11 is a receiving frame member on which the horizontal member 12 is erected,
The horizontal members 12 each constitute a hanging-side frame member whose end is supported by the main beam 11.

A connection portion 13, which is a joining portion between the main beam 11 and the horizontal member 12, is inserted into a dovetail groove 14 having a dovetail-shaped cross-section formed by cutting out a side surface of the main beam 11. Is formed by fitting a dovetail projection 15 having a dovetail-shaped cross section protruding from the tip of the main body 11, and the horizontal member 12 is attached to the main beam 11 side using the tie 10 of the present embodiment. The connection 13 is reinforced by drawing. The connection processing of the dovetail groove 14 and the dovetail projection 15 may be performed by hand processing other than the precut processing.

The buckle 10 of the present embodiment includes a buckle main body 16, a hook-side fastening bolt 17, and a receiving-side pulling bolt 18. Tie fitting body 1
Reference numeral 6 denotes a contact plate portion 20 which is disposed in close contact with the side surface of the horizontal member 12 and has a hook-side female screw hole 19 into which the hook-side fastening bolt 17 is screwed.
It is arranged to be bent vertically from 0 to L-shape,
Female screw hole 21 on the receiving side into which receiving bolt 18 is screwed
Are attached between the side edge of the pull plate 22 and the side edge of the close contact plate 20, and these plate portions 2 are provided.
It comprises a pair of vertical holding plate portions 23 that support the vertically bent state of 2,20. The hanging-side female screw hole 19 and the receiving-side female screw hole 21 are screwed into these, and project inward. The leading ends of the pulling bolts 18 are provided so as to be shifted from each other in the width direction of the tie fitting main body 16 so as not to interfere with each other.

A tie body 16 constituting the tie 10
Is formed by pressing a metal plate having a thickness of about 3.2 mm or the like. As shown in FIGS. 3 to 5, a substantially rectangular shape having a width of about 40 mm and a length of about 50 mm is used. Of the contact plate portion 20 with a width of about 40 mm and a length of 4
Substantially square pulling plate portion 2 having a size of about 0 mm
2 and a pair of substantially right triangular vertical holding plate portions 23 having a length of about 50 mm along the contact plate portion 20 and a length of about 40 mm along the pulling plate portion 22 are curved. It has a hollow box shape integrated through corners.

A projection 24 formed by burring is formed in the contact plate portion 20 so as to protrude inward at a central portion in the longitudinal direction, and a female screw hole having a female screw with a screw diameter of 12 mm is provided on the inner peripheral surface. 19 are provided. A hexagon nut 25 is integrally attached to the pulling plate portion 22 inside the central portion in the longitudinal direction, so that the screw diameter is 12 mm.
A receiving-side female screw hole 21 provided with an internal thread of mm on the inner peripheral surface is provided. The protrusion 24 formed by burring is formed on the contact plate portion 20 with its center shifted to one side in the width direction by 6.5 mm from the center, while the hexagon nut 25 is formed.
The center of the projection 24 and the center of the hexagon nut 25 in the width direction is 13 mm because the center of the projection 24 is attached to the pulling plate portion 22 with the center shifted by 6.5 mm from the center in the width direction. Even when the leading ends of the hook-side fastening bolts 17 or the receiving-side pulling bolts 18 that are screwed and protruded therefrom intersect at right angles, they do not interfere with each other and are limited in the protruding length. It can be projected without any.

The hook-side fastening bolt 17 constituting the fastening member 10 is a long bolt member having a male screw part 26 having a screw diameter of 12 mm at the tip and a neck lower part of about 145 mm. The hanging side fastening bolt 17 is used for the horizontal member 12.
The male screw portion 26 is screwed into the hooking female screw hole 19 of the close contact plate portion 20, and has an outer diameter of 45 mm and a thickness of 4.
The hexagonal head 28 is fixed to a side surface opposite to the side surface of the horizontal member 12 to which the tying member main body 16 is attached via a washer 27 having a size of about 5 mm. According to the present embodiment, the washer 27 and the head 28 are fixed in the fixing hole 33 cut into the side surface of the
2 without being projected from the side surface. Also,
Nail holes 29 are formed at four places in the washer 27, and by inserting a fixing nail 30 or a fixing screw into this, the washer 27 can be fixed to the side surface of the horizontal member 12 so as not to rotate. .

The receiving-side pulling bolt 18 constituting the binding member 10 is a long bolt member having a male screw portion 31 having a screw diameter of 12 mm at the tip end and having a neck lower part of a length of about 145 mm. The receiving side fastening bolt 18 is
The male screw portion 31 is screwed into the female screw hole 21 on the receiving side of the pulling plate portion 22, and the washer 27 similar to the above is screwed.
And the hexagonal head 32 is connected to the tying fitting body 1
6 is fixed to the side surface of the main beam 11 opposite to the side where the 6 is arranged. The washer 27 and the head 32 are cut into the side surface of the main beam 11 and are fixed in the fixing hole 34 without protruding from the side surface of the main beam 11, and the fixing nail 30 or the fixing screw is driven into the nailing hole 29. Thus, the washer 27 is fixed to the side surface of the main beam 11 so as not to rotate.

According to the present embodiment, when the main beam 11 and the horizontal member 12 are precut at a factory or the like, the bolt insertion hole of the hooking fastening bolt 17 and the hooking female screw hole 1
9 and a close-fitting plate portion 20 is brought into close contact with the side surface of the horizontal member 12 and a tie metal body 16 is attached in advance using, for example, a fixing nail. Then, after the main beam 11 and the horizontal member 12 are carried into the building site and assembled, the hanging-side fastening bolt 17 and the receiving-side pulling bolt 18 are fastened and fixed respectively, and the horizontal member 12 is moved to the main beam 11 side. The connection portion 13 is reinforced by drawing. That is, the horizontal members 12
The male screw portion 26 at the distal end of the hanging-side fastening bolt 17 and the receiving-side pulling bolt 18 that are disposed so as to penetrate the horizontal member 12 and the main beam 11, respectively, with respect to the fastener body 16 attached to the side surface of the bracket. , 31 are screwed into the hanging-side female screw holes 19 and the receiving-side female screw holes 21, respectively, and the washers 27 are fixedly fixed to the fixing holes 33, 34, respectively. And the heads 28, 3
By rotating the bolt 2 further, the side fastening member 17 and the receiving side pulling bolt 18 are further tightened, whereby the horizontal member 12 is drawn toward the main beam 11 and the connection portion 13 is effectively reinforced. become.

According to the present embodiment, the production of the tie 10 is easy, the types of parts can be reduced, and the mounting operation can be easily performed. In other words, the binding metal body 16 can be easily manufactured by pressing or bending without the necessity of a welding step, and a conventional general-purpose bolt is used as the hook-side fastening bolt 17 and the receiving-side pulling bolt 18. Long bolts can be used. The long bolt used as the hanging side fastening bolt 17 or the receiving side pulling bolt 18 can be appropriately selected from those having an appropriate length in accordance with the width of the horizontal member 12 or the main beam 11. Since the screw hole 19 and the female screw hole 21 on the receiving side are provided so as to be shifted from each other in the width direction of the tying member main body 16, the hook-side fastening bolt 17 and the receiving-side pulling bolt 18 which are screwed into these and protrude inward. Do not interfere with each other, so that the degree of freedom in selecting the length of the long bolt is expanded, and the type of the long bolt can be reduced.

Further, the fastening member main body 16 can be attached to the side surface of the hanging side bracket member 19 before assembling it, and the work after the assembling is performed by the hanging side fastening bolt 17 and the receiving side drawing. Since only the work of fastening the bolts 18 is required, the work of mounting the bolts 18 can be easily performed, especially in work at high places. The head 28 and the washer 27 are placed in the fixing hole 33, and the hanging side fastening bolt 17 is set before assembling.
Can be attached to the horizontal member 12 in advance, so that the attaching work after the assembling can be performed more easily.

Note that the present invention is not limited to the above embodiment, and various changes can be made. For example, the hanging-side female screw hole and the receiving-side female screw hole do not necessarily need to be formed by burring holes or nut-like members, and the tie metal body does not necessarily need to have a substantially right triangle shape. Also, the head and washer of the bolt need not necessarily be fixed in the fixing holes, but can be directly fixed on the flat side surfaces of the receiving-side and hanging-side frame members.

[0022]

As described above in detail, according to the fastening device of the present invention and the method of fastening a frame member using the fastening device, it is easy to manufacture the fastening device and to reduce the number of parts. Mounting work can be easily performed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an attachment state of a tie according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing an attachment state of a tie according to an embodiment of the present invention.

FIG. 3 is a perspective view of a binding metal body.

4 (a) is a front view, FIG. 4 (b) is a top view, FIG. 4 (c) is a bottom view, FIG. 4 (d) is a left side view, and FIG. 4 (e) is a right side view.

FIG. 5A is a sectional view taken along line AA of FIG. 4A;
FIG. 4B is a cross-sectional view along the line BB in FIG.

6 (a) is a front view, FIG. 6 (b) is a top view, and FIG. 6 (c) is a bottom view of the hook-side fastening bolt or receiving-side pulling bolt to which a washer is attached.

FIG. 7 is a perspective view for explaining a situation in which a connection portion is tightened by a conventional blade bolt.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Tightening fitting 11 Main beam (Receiving side frame assembly member) 12 Horizontal member (Hanging side frame assembly member) 13 Connection 16 Tightening bracket main body 17 Hanging side fastening bolt 18 Receiving side attracting bolt 19 Hanging side female screw hole 20 Close contact plate portion 21 Receiving female screw hole 22 Pulling plate portion 23 Vertical holding plate portion 24 Projection by burring 25 Hex nut (nut-like member) 26 Male screw portion of hook side fastening bolt 27 Washer 28 Head of hook side fastening bolt Part 29 Nail hole 30 Fixed nail 31 Male screw part of receiving side drawing bolt 32 Head of receiving side drawing bolt 33, 34 Fixing hole

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2E125 AA14 AB12 AC23 AG03 AG04 AG24 AG25 AG41 BB08 BB11 BB17 BB24 BB30 BC06 BC09 BD01 BE02 BE05 BE08 BF04 CA03 CA09 CA14 CA77 EA17 EA33 EB04

Claims (4)

[Claims] 1. A tie used for pulling and reinforcing the hanging-side frame member toward the receiving-side frame member at a connection portion for joining the hanging-side frame member to the receiving-side frame member. A fastening member main body, a hanging side fastening bolt, and a receiving side pulling bolt, wherein the fastening member body is disposed in close contact with a side surface of the hanging side frame member, and the fastening side fastening bolt is screwed together. A contact-side female screw hole provided with a hook-side female screw hole to be provided, and a receiving-side female screw hole into which the receiving-side fastening bolt is screwed into which the receiving-side fastening bolt is screwed and vertically arranged in an L shape from the close-contact plate portion. The drawn plate portion is provided, and is attached between the side edge portion of the drawn plate portion and the side edge portion of the close contact plate portion to support a vertically bent state of these plate portions. Pair of vertical holding presses Consists of a isolation portion, and the hook-side female threaded hole and the receiving-side female threaded hole,
The distal ends of the hanging-side fastening bolts or the receiving-side pulling bolts threaded to these and protruding inward and attached through the hanging-side frame member or the receiving-side frame member interfere with each other. A tying member, which is provided so as to be shifted in a width direction of the tying member main body so as not to be joined. 2. The hanging-side female screw hole and the receiving-side female screw hole are formed by a burring hole formed to protrude inside the fastener body or a nut-like member integrally attached to the fastener body. The tie according to claim 1, wherein the tie is configured. 3. The heads of the hanging side fastening bolt and the receiving side pulling bolt are fixed to the receiving side frame member or the hanging side frame member via a washer, and the washer is a nail. The tie according to claim 1, wherein the fastener is fixed to the receiving-side framing member or the hanging-side framing member by hitting. 4. A method for fastening a frame member using the fastener according to any one of claims 1 to 3, wherein an insertion hole for the hook bolt is provided before the hook member is assembled. The fastening plate body is attached in advance by bringing the contact plate portion into close contact with the side surface of the hanging-side frame assembly member while aligning the hanging-side female screw hole with the hanging-side female screw hole. After assembling the assembling member, the hanging side fastening bolt and the receiving side pulling bolt are respectively fastened and fixed to the hanging side female screw hole and the receiving side female screw hole to reinforce the connection part. Tightening method of the frame member.