JPH0734663A - Anchoring metal fitting for screw reinforcement - Google Patents

Anchoring metal fitting for screw reinforcement

Info

Publication number
JPH0734663A
JPH0734663A JP18104493A JP18104493A JPH0734663A JP H0734663 A JPH0734663 A JP H0734663A JP 18104493 A JP18104493 A JP 18104493A JP 18104493 A JP18104493 A JP 18104493A JP H0734663 A JPH0734663 A JP H0734663A
Authority
JP
Japan
Prior art keywords
screw
fixing
flat portion
hole
rebar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP18104493A
Other languages
Japanese (ja)
Other versions
JP2762898B2 (en
Inventor
Shigeru Usami
滋 宇佐美
Tomoyasu Kato
友康 加藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kajima Corp
Original Assignee
Kajima Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kajima Corp filed Critical Kajima Corp
Priority to JP18104493A priority Critical patent/JP2762898B2/en
Publication of JPH0734663A publication Critical patent/JPH0734663A/en
Application granted granted Critical
Publication of JP2762898B2 publication Critical patent/JP2762898B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Reinforcement Elements For Buildings (AREA)

Abstract

PURPOSE:To smoothly set a screw reinforcement at a specified position without any troublesome works like movement with rotation CONSTITUTION:An anchoring metal fitting provided with flat parts 3a and arc parts 3b is shaped to have a little larger elliptic form than the section of a screw reinforcement 2 and provided with a through hole 3 having a screw 4 at the flat part 3a, where the screw reinforcement 2 is longitudinally transferable without rotation by the flat part 3a of through hole 3 and the flat part 2a of the screw reinforcement 2 and the screw 4 of flat part 3a in the through hole 3 is fitted with the screw 2b of screw reinforcement 2. When the anchoring metal fitting 1 is set on the screw reinforcement 2, the screw reinforcement 2 is inserted in the inside without rotation of the metal fitting 1. And at a specified position of the screw reinforcement 2, it is rotated to have the screw 2b of screw reinforcement 2 meshed with the screw 4 of anchoring-metal fitting 1 to position the metal fitting 1 at a specified place in the longitudinal direction of the screw reinforcement 2.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】この発明は、鉄筋コンクリート構
造物におけるネジ鉄筋の定着に用いる定着金物に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an anchor metal used for anchoring a screw rebar in a reinforced concrete structure.

【０００２】[0002]

【従来の技術】従来、この種のネジ鉄筋用の定着金物と
しては、図６に示すように、定着板20と、この定着板20
を挟持して固定する両ナット21とからなるもの。また
は、図７に示すように、特殊な定着ナット22、例えば、
充填式ネジ定着金物等でなるものが一般に知られてい
る。2. Description of the Related Art Conventionally, as a fixing metal object for this type of screw reinforcing bar, as shown in FIG.
It consists of both nuts 21 that clamp and fix. Alternatively, as shown in FIG. 7, a special fixing nut 22, for example,
Filling type screw fixing hardware and the like are generally known.

【０００３】そして、この定着金物26は、図８に示すよ
うに、はり主筋23の柱，梁接合部24での定着や、図９に
示すように、主筋25における付着耐力の増加を期待する
部分の定着等に用いるものである。As shown in FIG. 8, the fixing hardware 26 is expected to be fixed at the column-beam joints 24 of the beam main bar 23 and to increase the bond strength of the main bar 25 as shown in FIG. It is used for fixing parts.

【０００４】[0004]

【この発明が解決しようとする課題】しかし、前述した
従来の両定着金物を、ネジ鉄筋における長手方向途中の
所定位置にセットする場合には、両ナットまたは定着ナ
ットにおけるナット部を回転させながら長手方向へ移動
（螺動）させるという作業により、定着金物をネジ鉄筋
におけるセットすべき所定位置まで移動させる必要があ
る。However, when the above-mentioned conventional fixing hardware is set at a predetermined position midway in the longitudinal direction of the screw rebar, the nuts of both nuts or the fixing nut are rotated while rotating. It is necessary to move the fixing hardware to a predetermined position on the screw rebar to be set by the operation of moving (screwing) in the direction.

【０００５】そのため、この従来の両定着金物をネジ鉄
筋へセットする作業は、回転させながらネジ鉄筋の長手
方向へ移動（螺動）させる等、時間と労力とを必要とす
るものとなっている。For this reason, the conventional work of setting both fixing hardware in the screw rebar requires time and labor such as moving (screwing) in the longitudinal direction of the screw rebar while rotating. .

【０００６】この発明は前述した事情に鑑みて創案され
たもので、その目的はネジ鉄筋の長手方向所定位置へセ
ットするに際して、回転させながらの移動等、面倒な作
業が必要なく、スムーズに行うことのできるネジ鉄筋用
定着金物を提供することにある。The present invention was devised in view of the above-mentioned circumstances, and the object thereof is to smoothly set the screw rebars while setting them at predetermined positions in the longitudinal direction without requiring troublesome work such as moving them while rotating them. An object is to provide a fixing hardware for screw rebar that can be used.

【０００７】[0007]

【課題を解決するための手段】この発明の定着金物によ
れば、平坦部および円弧部とからネジ鉄筋の断面形状よ
りもやや大きい楕円形状に形成してなると共に、平坦部
にネジ部を設けてなる貫通孔を有してなり、この貫通孔
の平坦部とネジ鉄筋の平坦部とによって、回転すること
なく、ネジ鉄筋の長手方向へ移動自在で、貫通孔の平坦
部におけるネジ部をネジ鉄筋のネジ部へ螺合できるよう
に構成する。According to the fixing hardware of the present invention, the flat portion and the arc portion are formed into an elliptical shape slightly larger than the cross-sectional shape of the screw reinforcing bar, and the flat portion is provided with the screw portion. The flat portion of the through hole and the flat portion of the screw rebar are movable in the longitudinal direction of the screw rebar without rotating, and the screw portion in the flat portion of the through hole is screwed. It is configured so that it can be screwed into the threaded portion of the reinforcing bar.

【０００８】そして、定着金物をネジ鉄筋へセットする
に際し、定着金物における貫通孔の平坦部とネジ鉄筋の
平坦部とを合致させることによって、金物を回転させる
ことなくネジ鉄筋を内部に貫通させることができるよう
にする。また、ネジ鉄筋の所定位置において回転させる
ことにより、ネジ鉄筋のネジ部と定着金物のネジ部とが
噛み合うようにする。When the fixing hardware is set on the screw rebar, the flat portion of the through hole in the fixing metal and the flat portion of the screw rebar are aligned with each other so that the screw rebar penetrates the inside without rotating the metal. To be able to Further, by rotating the screw rebar at a predetermined position, the screw part of the screw rebar and the screw part of the fixing hardware are engaged with each other.

【０００９】このように、この発明のネジ鉄筋用定着金
物は、移動および回転という別個の簡単な作業により、
ネジ鉄筋における長手方向の所定位置に定着金物を配置
でき、ネジ鉄筋における長手方向の所定位置へのセット
を、スムーズに行えるようにして、施工の合理化を図る
よにうしたものである。As described above, the fixing member for screw rebar of the present invention can be moved and rotated by separate simple operations.
The fixing hardware can be arranged at a predetermined position in the longitudinal direction of the screw reinforcing bar, and the setting at the predetermined position in the longitudinal direction of the screw reinforcing bar can be smoothly performed to rationalize the construction.

【００１０】[0010]

【実施例】以下、この発明のネジ鉄筋用定着金物を図示
する実施例によって説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The fixing hardware for screw reinforcing bars of the present invention will be described below with reference to the embodiments shown in the drawings.

【００１１】鉄筋コンクリート構造物等において、平坦
部2aおよびネジ部2bから断面略楕円形状に形成されてい
るネジ鉄筋２の定着に用いる定着金物１（図１参照）
は、平坦部3aおよび円弧部3bとから、ネジ鉄筋２の断面
形状よりもやや大きい楕円形状に形成されていると共
に、平坦部3aにネジ部４が設けられている貫通孔３を有
してなっている。In a reinforced concrete structure or the like, a fixing hardware 1 used for fixing a screw reinforcing bar 2 which is formed from a flat portion 2a and a screw portion 2b to have a substantially elliptical cross section (see FIG. 1).
Has a through hole 3 in which the flat portion 3a and the circular arc portion 3b are formed into an elliptical shape slightly larger than the cross-sectional shape of the screw rebar 2, and the flat portion 3a is provided with the screw portion 4. Has become.

【００１２】そして、定着金物１は、貫通孔３の平坦部
3aとネジ鉄筋２の平坦部2aとによって、回転することな
く、ネジ鉄筋２の長手方向へ移動自在であると共に、貫
通孔３の平坦部3aにおけるネジ部４によって、ネジ鉄筋
２のネジ部2bへ螺合できるように構成されている。The fixing hardware 1 has a flat portion of the through hole 3.
3a and the flat portion 2a of the screw rebar 2 are movable in the longitudinal direction of the screw rebar 2 without rotating, and the screw portion 4 of the flat portion 3a of the through hole 3 allows the screw portion 2b of the screw rebar 2 to rotate. It is configured to be screwed in.

【００１３】なお、この実施例でのネジ鉄筋２は、図10
の(a) および(b) に示すように、平坦部2aとネジ部2bと
から、断面略楕円形状に形成されている。そして、この
平坦部2aを利用することにより、後述する如く、定着金
物１をセットする。The screw rebar 2 in this embodiment is shown in FIG.
As shown in (a) and (b), the flat portion 2a and the screw portion 2b are formed into a substantially elliptical cross section. Then, by using the flat portion 2a, the fixing hardware 1 is set as described later.

【００１４】定着金物１の貫通孔３は、図１の(a) およ
び(b) に示すように、平坦部3aと円弧部3bとから、ネジ
鉄筋２の断面形状と同様でやや大きい略楕円形状に形成
されている。そして、この貫通孔３の内部にネジ鉄筋２
を貫通させる際には、貫通孔３の平坦部3aと、ネジ鉄筋
２の平坦部2aとを合致させて行うことにより、定着金物
１を回転させることなく実施することができる。このこ
とから、定着金物１を、ネジ鉄筋２に、直接、配置する
ことができる。As shown in FIGS. 1 (a) and 1 (b), the through hole 3 of the fixing hardware 1 is composed of a flat portion 3a and a circular arc portion 3b. It is formed in a shape. Then, inside the through hole 3, the screw rebar 2
When the fixing metal member 1 is passed through, the flat portion 3a of the through hole 3 and the flat portion 2a of the screw reinforcing bar 2 are aligned with each other, so that the fixing hardware 1 can be performed without rotating. Therefore, the fixing hardware 1 can be directly arranged on the screw reinforcing bar 2.

【００１５】また、定着金物１の貫通孔３には、図１の
(a) および(b) に示すように、平坦部3aにネジ部４が形
成されている。そして、貫通孔３の内部へネジ鉄筋２を
貫通させた後に、所定位置において定着金物１を半回転
させることで、平坦部3aのネジ部４をネジ鉄筋２のネジ
部2bへ螺合させることができ、このことにより、定着金
物１をネジ鉄筋２における長手方向の所定位置に配置す
ることができる。Further, the through hole 3 of the fixing hardware 1 has a structure shown in FIG.
As shown in (a) and (b), a threaded portion 4 is formed on the flat portion 3a. Then, after the screw rebar 2 is penetrated into the through hole 3, the fixing hardware 1 is half-turned at a predetermined position to screw the screw portion 4 of the flat portion 3a into the screw portion 2b of the screw rebar 2. As a result, the fixing hardware 1 can be arranged at a predetermined position in the screw rebar 2 in the longitudinal direction.

【００１６】このような構成からなる定着金物１のネジ
鉄筋２への定着は、次に述べるようにして行う。The fixing of the fixing hardware 1 having such a structure to the screw rebar 2 is performed as described below.

【００１７】先ず、図１の(c) ，(d) および図２に示す
ように、貫通孔３の平坦部3aと、ネジ鉄筋２の平坦部2a
とを合致させて、定着金物１における貫通孔３の内部に
ネジ鉄筋２を貫通させると共に、内部にネジ鉄筋２が貫
通した、この定着金物１をネジ鉄筋２の長手方向へ移動
させる。First, as shown in FIGS. 1 (c), 1 (d) and FIG. 2, the flat portion 3a of the through hole 3 and the flat portion 2a of the screw reinforcing bar 2 are formed.
And the screw rebar 2 is penetrated into the through hole 3 of the fixing hardware 1, and the fixing metal 1 having the screw rebar 2 penetrated therein is moved in the longitudinal direction of the screw rebar 2.

【００１８】次に、ネジ鉄筋２における所定の定着位置
へ定着金物１を移動させたら、定着金物１を半回転させ
ることで、図１の(e) ，(f) および図２に示すように、
平坦部3aのネジ部４をネジ鉄筋２のネジ部2bへ螺合さ
せ、定着金物１をネジ鉄筋２における長手方向の所定位
置に配置する。Next, when the fixing metal piece 1 is moved to a predetermined fixing position on the screw rebar 2, the fixing metal piece 1 is rotated by half, as shown in FIGS. 1 (e), (f) and FIG. ,
The screw portion 4 of the flat portion 3a is screwed into the screw portion 2b of the screw reinforcing bar 2, and the fixing hardware 1 is arranged at a predetermined position in the screw reinforcing bar 2 in the longitudinal direction.

【００１９】次に、ネジ鉄筋２の配置した位置におい
て、定着金物１を固定する。この固定方法としては、図
４および図５に示す方法が考えられる。ここで、図４
は、楔形式で、半回転して生じた隙間に、楔５を打ち込
み固定する方法である。また、図５は、充填式ネジ定着
による方法である。なお、この図４および図５に示した
両方法を併用しても良い。Next, the fixing hardware 1 is fixed at the position where the screw reinforcing bar 2 is arranged. As this fixing method, the method shown in FIGS. 4 and 5 can be considered. Here, FIG.
Is a wedge type method in which the wedge 5 is driven and fixed in a gap generated by half rotation. Further, FIG. 5 shows a method using a filling type screw fixing. Both methods shown in FIGS. 4 and 5 may be used in combination.

【００２０】このようにして、この発明の定着金物１
の、ネジ鉄筋２への定着作業が完了する。Thus, the fixing hardware 1 of the present invention
The fixing work to the screw rebar 2 is completed.

【００２１】図３は、この発明の定着金物１の別態様を
示すものである。ここでは、定着金物１の一端側に、フ
ランジ部1aを設けたものである。そして、このフランジ
部1aで、定着金物１の定着力を増している。FIG. 3 shows another embodiment of the fixing hardware 1 of the present invention. Here, a flange portion 1a is provided on one end side of the fixing hardware 1. Then, the fixing force of the fixing hardware 1 is increased by the flange portion 1a.

【００２２】[0022]

【発明の効果】この発明の定着金物によれば、ネジ鉄筋
へのセットに際して、定着金物における貫通孔の平坦部
とネジ鉄筋の平坦部とを合致させることにより、金物を
回転させずにネジ鉄筋を内部に貫通させることができ
る。また、ネジ鉄筋の所定位置において回転させること
により、ネジ鉄筋のネジ部と定着金物のネジ部とを噛み
合わせることができる。According to the fixing hardware of the present invention, when the fixing member is set on the screw rebar, the flat portion of the through hole of the fixing metal piece and the flat portion of the screw rebar are aligned with each other, so that the screw rebar does not rotate. Can be penetrated inside. Further, by rotating the screw rebar at a predetermined position, the screw part of the screw rebar and the screw part of the fixing hardware can be engaged with each other.

【００２３】そのため、この発明の定着金物は、移動お
よび回転という別個の簡単な作業のみにより、ネジ鉄筋
の長手方向所定位置に配置できるので、回転させながら
の移動等の面倒な作業が必要なく、ネジ鉄筋の所定位置
へのセットをスムーズに行うことができる。Therefore, the fixing hardware of the present invention can be arranged at a predetermined position in the longitudinal direction of the screw rebar by only the separate and simple operations of moving and rotating, so that troublesome work such as moving while rotating is not required. It is possible to smoothly set the screw rebar at a predetermined position.

【図面の簡単な説明】[Brief description of drawings]

【図１】(a) はこの発明のネジ鉄筋用定着金物を示す部
分破断正面図で、(b) は(a) のＡ−Ａ線矢視図で、(c)
はこの発明の定着金物のネジ鉄筋長手方向への移動状態
を示す部分破断正面図で、(d) は(c) のＢ−Ｂ線矢視図
で、(e) はこの発明の定着金物のネジ鉄筋ネジ部への螺
合状態を示す部分破断正面図で、(f) は(e) のＣ−Ｃ線
矢視図である。FIG. 1 (a) is a partially cutaway front view showing a fixing member for a screw reinforcing bar of the present invention, (b) is a view taken along the line AA of (a), and (c)
Is a partially cutaway front view showing the state of movement of the fixing hardware of the present invention in the longitudinal direction of the screw rebar, (d) is a view taken along the line BB of (c), and (e) is the fixing hardware of the present invention. It is a partial fracture front view showing a screwing state to a screw reinforcing bar screw part, and (f) is a CC line arrow view of (e).

【図２】この発明の定着金物のネジ鉄筋への配置状態を
示す概略図である。FIG. 2 is a schematic view showing an arrangement state of a fixing metal article of the present invention on a screw reinforcing bar.

【図３】この発明の定着金物の別態様を示す部分破断正
面図である。FIG. 3 is a partially cutaway front view showing another embodiment of the fixing hardware of the present invention.

【図４】この発明の定着金物のネジ鉄筋への固定状態を
示す断面図である。FIG. 4 is a cross-sectional view showing a fixing state of the fixing metal article of the present invention to a screw reinforcing bar.

【図５】この発明の定着金物のネジ鉄筋への固定状態の
別態様を示す断面図である。FIG. 5 is a cross-sectional view showing another mode of fixing the fixing hardware of the present invention to the screw rebar.

【図６】従来の定着金物を示す概略図である。FIG. 6 is a schematic view showing a conventional fixing hardware.

【図７】従来の定着金物を示す概略図である。FIG. 7 is a schematic view showing a conventional fixing hardware.

【図８】定着金物の使用状態を示す概略図である。FIG. 8 is a schematic view showing a usage state of a fixing hardware.

【図９】定着金物の使用状態の別態様を示す概略図であ
る。FIG. 9 is a schematic view showing another mode of use of a fixing hardware.

【図１０】(a) はネジ鉄筋を示す正面図で、(b) は(a)
のＥ−Ｅ線矢視図である。FIG. 10 (a) is a front view showing a screw rebar, and (b) is (a).
It is a EE line arrow line view of.

【符号の説明】[Explanation of symbols]

１…定着金物、1a…フランジ部、２…ネジ鉄筋、2a…平
坦部、2b…ネジ部、３…貫通孔、3a…平坦部、3b…円弧
部、４…ネジ部、５…楔。1 ... Fixing hardware, 1a ... Flange part, 2 ... Screw rebar, 2a ... Flat part, 2b ... Screw part, 3 ... Through hole, 3a ... Flat part, 3b ... Arc part, 4 ... Screw part, 5 ... Wedge.

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】 鉄筋コンクリート構造物等において、平
坦部およびネジ部から断面略楕円形状に形成されている
ネジ鉄筋の定着に用いる定着金物であり、 平坦部および円弧部とから、前記ネジ鉄筋の断面形状よ
りもやや大きい楕円形状に形成されていると共に、平坦
部にネジ部が設けられている貫通孔を有しており、 前記貫通孔の平坦部と前記ネジ鉄筋の平坦部とによっ
て、回転することなく、ネジ鉄筋の長手方向へ移動自在
であると共に、この貫通孔の平坦部におけるネジ部によ
って、前記ネジ鉄筋のネジ部へ螺合できるように構成さ
れていることを特徴とするネジ鉄筋用定着金物。1. A reinforced concrete structure or the like, which is a fixing metal member used for fixing a screw rebar formed in a substantially elliptical cross section from a flat portion and a screw portion, and a cross section of the screw rebar from the flat portion and the arc portion. It has an oval shape that is slightly larger than the shape, and has a through hole in which a flat portion is provided with a screw portion, and the flat portion of the through hole and the flat portion of the screw rebar rotate. Without being reciprocally movable in the longitudinal direction of the screw rebar, and configured to be screwed into the threaded part of the screw rebar by the threaded part in the flat part of the through hole. Fixing hardware.
JP18104493A 1993-07-22 1993-07-22 Fixing hardware for screw rebar Expired - Lifetime JP2762898B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18104493A JP2762898B2 (en) 1993-07-22 1993-07-22 Fixing hardware for screw rebar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18104493A JP2762898B2 (en) 1993-07-22 1993-07-22 Fixing hardware for screw rebar

Publications (2)

Publication Number Publication Date
JPH0734663A true JPH0734663A (en) 1995-02-03
JP2762898B2 JP2762898B2 (en) 1998-06-04

Family

ID=16093788

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18104493A Expired - Lifetime JP2762898B2 (en) 1993-07-22 1993-07-22 Fixing hardware for screw rebar

Country Status (1)

Country Link
JP (1) JP2762898B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008101385A (en) * 2006-10-19 2008-05-01 Kyoei Steel Ltd Threaded reinforcement connecting method
JP2017025506A (en) * 2015-07-17 2017-02-02 株式会社伊藤製鐵所 Joint for screw node reinforcement
WO2021132237A1 (en) * 2019-12-27 2021-07-01 Ｎｅｘｔ Ｉｎｎｏｖａｔｉｏｎ合同会社 Rod body and cylindrical body

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008101385A (en) * 2006-10-19 2008-05-01 Kyoei Steel Ltd Threaded reinforcement connecting method
JP2017025506A (en) * 2015-07-17 2017-02-02 株式会社伊藤製鐵所 Joint for screw node reinforcement
WO2021132237A1 (en) * 2019-12-27 2021-07-01 Ｎｅｘｔ Ｉｎｎｏｖａｔｉｏｎ合同会社 Rod body and cylindrical body

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