JPH04132102U - Brace end joint structure and joint hardware - Google Patents

Abstract

(57) [Summary] [Purpose] Eliminates the need for members such as couplers and turnbuckles that connect threaded members together, reduces the number of parts, allows for easy and quick assembly work, and allows braces to be connected in the middle. Since there are no cracks, it is highly reliable in terms of strength. [Structure] An elongated plate body 11 in which bolt through holes 12 in the thickness direction are formed at appropriate intervals in the front half part 11a, and a cylindrical body 13 that becomes the insertion part 14 for the threaded reinforcing bar 19 is provided on the rear half part 11b. The boundary between the front half 11a and the rear half 11b is curved so that the inside of the cylinder 13 is located on the extension of the front half 11a.
Using a metal fitting with a different level for a, bolt this metal fitting to the gusset plate 5 on the building frame side through the bolt through hole 12, and screw reinforcing bar 19 that will serve as a brace to the cylindrical body 13 from the opposite side. , and tightening nuts 21 are screwed onto both sides thereof.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention can be used, for example, in openings surrounded by columns and beams of steel structure buildings, and in roof surfaces. Regarding the end joint structure of braces installed between beams and the joint hardware used therein. It is.

0002

[Conventional technology]

As such a brace, a screw reinforcing bar 1 as shown in Fig. 9 may be used. In order to connect the ends, a male thread is also connected from the gusset plate 5 side at the corner of the opening 4. 6, and connect the 1 end of the screw reinforcing bar and the male screw 6 with a coupler 7 or a turnbuckle. Tightly connected. In the figure, 2 indicates a steel beam, and 3 indicates a steel column.

0003 By the way, this male screw 6 has a flat plate part 9 in which a bolt insertion hole 8 is bored at the other end. It is molded as part of a joint metal fitting (called a paddle bolt due to its shape). The flat plate part 9 of the alloy material is overlapped with the gusset plate 5, and the height is inserted through the bolt insertion hole 8. Fasten with bolts, etc.

0004

[Problem that the idea aims to solve]

In the joint structure of the brace end shown in FIG. 9, the coupler 7 and the turnbuckle The work of tightening and connecting the threaded reinforcing bar 1 end and the male screw 6 is done by adjusting the tightening force on both sides. It is troublesome to adjust, and the part where this coupler 7 and turnbuckle are This will result in an intermediate connection in the brace.

[0005] The purpose of this invention is to eliminate the disadvantages of the conventional example, and to There is no need for members to connect the screw members together, the number of parts is small, and the assembly work is simple. It is simple and quick, and there is no need to connect the brace midway, so it is also strong. An object of the present invention is to provide a highly reliable brace end joint structure and joint hardware.

[0006]

[Means to solve the problem]

In order to achieve the above-mentioned purpose, this invention has a bolt penetrating the front half of the elongated plate in the thickness direction. Holes are formed at appropriate intervals, and a cylindrical body is provided on the rear half for insertion of the threaded reinforcing bar. The boundary between the first half and the second half is curved, and a cylindrical body is formed on the extension line of the first half. A joint metal fitting with the rear half different from the front half so that the inside is located, or Bolt through holes are formed in the thickness direction at appropriate intervals in the first half of the elongated plate, and in the second half. It is a long and slender plate body with a cylindrical body on the upper part of which the threaded reinforcing bar is inserted, and a cylindrical body with a cylinder on the rear end. A notch is formed in the longitudinal direction to open, and the cylindrical body is fitted into the notch to form the front half. The bolt through hole is Bolt this joint to the gusset plate on the building frame side through the A screw reinforcing bar serving as a brace is passed through the cylindrical body, and tightening nuts are attached on both sides. In addition, make an appropriate number of bolt through holes in the thickness direction in the front half of the elongated plate. The elongated plate body is formed with a gap and has a cylindrical body on the rear half that serves as the insertion part for the threaded reinforcing bar. The splice plate is inserted between the metal fittings through the bolt through holes. Attach the bolts to the gusset plate on the building frame side while checking, and then insert the bolts into the cylinder from the other side. pass through the screw reinforcing bar that serves as the base, and screw tightening nuts on both sides of the reinforcing bar. This is a summary.

[0007]

[Effect]

According to the present invention, the elongated plate as the joining hardware is connected to the gusset plate on the building frame side. By bolting it to the gusset plate side, the threaded reinforcing bar is inserted into the cylindrical body. will be formed.

[0008] Therefore, a threaded reinforcing bar serving as a brace is passed through this cylindrical body, and tightening If the nut is screwed together, the threaded reinforcing bar will not come out of the cylinder. The tightening force is applied by this nut, and the threaded reinforcing bar is clamped through the metal fittings. It becomes one with the set plate.

[0009] In this way, the stress from the gusset plate is transmitted smoothly through the metal fittings. The threaded reinforcing bar serves as a brace. The core of the threaded reinforcing bar and the core of the front half of the joint hardware almost match because it is located inside the cylinder of the part. do. As a result, even if a tensile force is applied to the joining hardware, the gusset plate will not be forced. No force is applied and this gusset plate can be prevented from bending.

0010

【Example】

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Figure 1 shows the brake of this invention. 2 is a front view of the same as above, and FIG. 3 is a top view of the same as above. In the top view, numeral 11 is a long and narrow plate. The elongated plate body 11 has a front half 11 on one side of the half. A plurality of bolt through holes 12 (three in the illustration) are formed at appropriate intervals in the thickness direction. did.

[0011] Further, the other side of the elongated plate body 11 where the bolt through hole 12 is not provided, that is, the rear half portion 11b Weld the cylindrical body 13 horizontally on the plate surface in the longitudinal direction of this elongated plate 11, This cylindrical body 13 formed a tunnel-shaped insertion portion 14 for a threaded reinforcing bar 19, which will be described later. Furthermore, this elongated plate body 11 curves the boundary between the front half 11a and the rear half 11b to form the front half 11a. The rear part 11b is at a different level from the front part 11a so that the inside of the cylinder 13 is located on the extension line of shall be.

0012 Next, the brace end joining structure of the present invention using the joining hardware 10 will be explained. figure As shown in 7, there is a gusset at the corner of the opening 4 surrounded by the steel beam 2 and the steel column 3. A plate 5 is provided, and a slender plate of a joining hardware 10 is placed on the gusset plate 5. 11, and fix them with high-strength bolts 16 and nuts 17 with washers 18 interposed. in this way Then, the rear half 11b side of the elongated plate body 11 where the insertion portion 14 is located protrudes from the gusset plate 5. put out

[0013] 19 in the figure is a threaded reinforcing bar as a brace, and this threaded reinforcing bar 19 is passed through the insertion part 14. A tightening nut 21 was screwed together with washers 20 interposed on both sides. In this way, the nut 21 applies a tightening force to the threaded reinforcing bar 19, and the gusset plate The stress from the rate 5 is smoothly transmitted through the metal fitting 10 as a brace. Flows to the reinforcement bar 19.

[0014] Furthermore, the inside of the cylinder 13 of the rear half 11b of the elongated plate body 11 is located on the extension line of the front half 11a. Therefore, the core of the screw reinforcing bar 19 and the core of the front half 11a almost match. As a result, the elongated plate Even if a tensile force is applied to gusset plate 11, no unreasonable force is applied to gusset plate 5, and this gas It is possible to prevent the set plate 5 from being bent.

[0015] 4, 5, and 6 show a second embodiment of the brace end joint metal fitting of the present invention. , the elongated plate body 11 which becomes the joining hardware 10 has a bolt in the thickness direction on the front half part 11a on one side of the half. A plurality of (two in the figure) through-holes 12 are arranged at appropriate intervals, and the narrow On the other side of the plate 11 where the bolt through hole 12 is not present, that is, the rear half 11b, on the plate surface. The cylindrical body 13 is welded sideways in the longitudinal direction of the elongated plate 11. The point of forming a tunnel-shaped insertion portion 14 for a threaded reinforcing bar 19, which will be described later, is the same as in the first embodiment. It is the same.

[0016] In this embodiment, when providing this cylindrical body 13, the rear end is attached to the rear part 11b of the elongated plate body 11. An open longitudinal notch 22 was formed. The width near the opening of this notch 22 is the width of the cylinder. 13, and the depth is the enlarged diameter part 22 that expands slightly beyond the length of the cylinder 13. a is formed. Then, place the cylindrical body 13 near the opening in this notch 22 with its side part Fit and fix by welding. In this way, the front half 11a of the elongated plate body 11 The inside of the cylindrical body 13 comes to be located on the extension line of.

[0017] The brace end joint structure of the present invention using the joint hardware 10 in this second embodiment is , is almost the same as the case described with reference to FIG. 7 in the first embodiment. Illustrations are omitted. However, the elongated plate body 11 of the joining hardware 10 is stacked on the gusset plate 5, and the high-strength bolts 16, Fix the nut 17 with the washer 18 interposed, and attach the screw reinforcing bar 19 as a brace to the pipe body 13. A tightening nut 21 is inserted through the insertion portion 14, with washers 20 interposed on both sides. Screw together.

[0018] The front end of the screw reinforcing bar 19 is located in the enlarged diameter part 22a of the notch 22, so A nut 21 can be screwed inside. In this way, the nut 21 is attached to the threaded reinforcing bar 19 The stress is transmitted from the gusset plate 5 to the joint metal fitting 10. Flow smoothly through the screw reinforcing bar 19 as a brace.

[0019] At that time, the elongated plate body 11 is arranged such that the inside of the cylinder body 13 of the rear half part 11b is located on the extension line of the front half part 11a. Therefore, even if a tensile force is applied to the elongated plate 11, no unreasonable force is applied to the gusset plate 5. This can prevent the gusset plate 5 from being bent.

[0020] FIG. 8 shows a third embodiment of the present invention, in which the elongated plate body 11 serving as the joining hardware 10 is half-shaped. There are multiple bolt through holes 12 (two in the illustration) in the thickness direction in the front half 11a on one side. ) are arranged at appropriate intervals, and there is no bolt through hole 12 in the elongated plate body 11. At one side, that is, the rear half 11b, a cylinder is placed on the plate surface in the length direction of this elongated plate 11. 13 is welded horizontally, and this cylindrical body 13 is used for tunnel-shaped insertion of threaded reinforcing bars 19, which will be described later. The formation of the passage portion 14 is the same as in the first and second embodiments.

[0021] In this embodiment, when stacking the elongated plate body 11 of the joining hardware 10 on the gusset plate 5, , with a splice plate (filler plate) 23 in between, high-strength bolt 16, It is fixed with a nut 17 with a washer 18 interposed. Do it like this and then as a brace The threaded reinforcing bar 19 is passed through the insertion part 14 of the tube body 13, and washers 20 are interposed on both sides. Then, the tightening nut 21 was screwed together.

[0022] Even in this case, the elongated plate body 11 is placed on the extension line of the front half part 11a to form the cylindrical body 13 of the rear half part 11b. Since the inside is located at the gusset plate 5, even if a tensile force is applied to the elongated plate 11, This prevents the gusset plate 5 from being bent without applying excessive force. Ru.

[0023]

[Effect of the idea] As mentioned above, the brace end joint structure and joint hardware of the present invention are suitable for couplers. There is no need for members such as turnbuckles or turnbuckles to connect screw members, and the number of parts is reduced. The assembly work can be done easily and quickly. In addition, the brace is a screw reinforcing bar. It is highly reliable in terms of strength as there are no intermediate connections. It's a good thing.

[0024] Furthermore, the core of the threaded reinforcing bar and the core of the front half of the joint hardware almost match. This prevents excessive force from being applied to the gusset plate even if tensile force is applied to the metal fittings. , this gusset plate can be prevented from being bent.

[Brief explanation of drawings]

FIG. 1 is a plan view showing a first embodiment of the brace end joint metal fitting of the present invention.

FIG. 2 is a front view showing a first embodiment of the brace end joint metal fitting of the present invention.

FIG. 3 is a sectional view taken along line AA in FIG. 1;

FIG. 4 is a plan view showing a second embodiment of the brace end joint metal fitting of the present invention;

FIG. 5 is a front view showing a second embodiment of the brace end joint metal fitting of the present invention.

6 is a sectional view taken along line BB in FIG. 4. FIG.

FIG. 7 is a front view of the brace end joining structure of the present invention using the joining hardware of the first embodiment.

FIG. 8 is a front view showing a third embodiment.

FIG. 9 is a front view showing a conventional example.

[Explanation of symbols]

1... Threaded reinforcing bar 2... Steel beam 3... Steel column 4... Opening 5... Gusset plate 6... Male thread 7... Coupler 8... Bolt insertion hole 9... Flat plate part 10... Joining hardware 11... Elongated plate body 11a... First half part 11b …Rear half 12…Bolt through hole 13…Cylinder body 14…Insert portion 16…Bolt 17…Nut 18…Washer 19…Screw reinforcing bar 20…Washer 21…Nut 22…Notch 22a…Enlarged diameter portion 23…Splice plate

──────────────────────────────────────────────── ─── Continuation of front page (72) Creator Ken Kitamura Kashimaken, 1-2-7 Motoakasaka, Minato-ku, Tokyo Inside the company (72) Creator Mitsumasa Harada Kashimaken, 1-2-7 Motoakasaka, Minato-ku, Tokyo Inside the company (72) Creator Masahiro Ishitsuki 5-3-15 Ekiminamicho, Oyama City, Tochigi Prefecture (72) Creator Akira Sato 524-10 Tokuriki, Iwatsuki City, Saitama Prefecture (72) Creator Satomi Masuda 481-38 Yokokura, Oyama City, Tochigi Prefecture

Claims (5)

[Scope of utility model registration request] [Claim 1] A long thin plate body, in which bolt through holes are formed in the thickness direction at appropriate intervals in the front half of the long thin plate body, and a cylindrical body serving as a passage for threaded reinforcing bars is provided on the rear half part. The boundary between the first half and the second half is curved, and the second half is different from the first half so that the inside of the cylinder is located on the extension line of the first half. This brace is characterized by bolting this joining hardware to a gusset plate on the building frame side through the bolt, passing a threaded reinforcing bar serving as a brace through the cylindrical body from the opposite side, and screwing nuts for tightening on both sides of the threaded reinforcing bar. End joint structure. [Claim 2] Bolt through-holes in the thickness direction are formed at appropriate intervals in the front half of the long and thin plate, and a cylindrical body serving as a threaded reinforcing bar is provided on the second half. A joint metal fitting in which a longitudinal notch opening at the rear end is formed in the rear half, and the cylindrical body is fitted into the notch so that the inside of the cylindrical body is located on an extension line of the front half. Bolt this joining hardware to the gusset plate on the building frame side through the bolt through hole, pass the threaded reinforcing bar that will serve as a brace into the cylinder from the other side, and screw tightening nuts on both sides. A brace end joint structure characterized by a joint. 3. Bolt through holes in the thickness direction are formed at appropriate intervals in the front half of the long and thin plate, and a cylindrical body that serves as a passage for threaded reinforcing bars is provided on the second half. This joint hardware is bolted to the gusset plate on the building frame side through the bolt through hole with a splice plate in between, and a threaded reinforcing bar serving as a brace is passed through the cylindrical body from the opposite side. A brace end joint structure characterized by screwing together a tightening nut. 4. An elongated plate body, in which bolt through holes in the thickness direction are formed at appropriate intervals in the front half of the elongated plate body, and a cylindrical body serving as a passage for threaded reinforcing bars is provided on the rear half part. A brace end joining hardware characterized in that the boundary between the first half and the second half is curved so that the second half is at a different level from the first half so that the inside of the cylinder is located on an extension line of the first half. . 5. An elongated plate body, in which bolt through holes in the thickness direction are formed at appropriate intervals in the front half of the elongated plate body, and a cylindrical body serving as a passage for threaded reinforcing bars is provided on the rear half part. , a longitudinal notch opening at the rear end is formed in the rear half, and the cylinder is fitted into this notch so that the inside of the cylinder is located on the extension line of the front half. Characteristic brace end joint hardware.