JPH07229207A - Chord member having solid truss screw end - Google Patents
Chord member having solid truss screw endInfo
- Publication number
- JPH07229207A JPH07229207A JP4175694A JP4175694A JPH07229207A JP H07229207 A JPH07229207 A JP H07229207A JP 4175694 A JP4175694 A JP 4175694A JP 4175694 A JP4175694 A JP 4175694A JP H07229207 A JPH07229207 A JP H07229207A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- sections
- screwing
- bolt
- male screw
- 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
Links
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、広いスペースを有する
トラス状の建築構造物を構築する場合に使用するねじ込
み端部を有する弦材に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chord member having a screwed end for use in constructing a truss-like building structure having a large space.
【0002】[0002]
【従来の技術】従来、立体トラス用ねじ込み端部を有す
る弦材としては、図8および図9に示すように、パイプ
8の端部に、そのパイプ8の端縁から所定の長さにわた
って、雌ねじ部9を設け、エンドコーン10に連設され
た円筒体11の外面のほぼ全長にわたって、雄ねじ部1
2を設け、エンドコーン10に挿通されたボルト5の6
角部13に、6角形内面を有する回動用筒体14を嵌合
し、そのボルト5にボルト押出用ばね15を係合させ、
かつその回動用筒体14により前記ボルト5を回動し
て、そのボルト5をほぼ球状のノード4に螺合したもの
が知られている。2. Description of the Related Art Conventionally, as a chord member having a threaded end portion for a space truss, as shown in FIGS. 8 and 9, at the end portion of a pipe 8, from the end edge of the pipe 8 to a predetermined length, The female screw portion 9 is provided, and the male screw portion 1 is provided over substantially the entire length of the outer surface of the cylindrical body 11 that is connected to the end cone 10.
2 and 6 of bolts 5 inserted through the end cone 10
A turning cylinder 14 having a hexagonal inner surface is fitted into the corner portion 13, and a bolt pushing spring 15 is engaged with the bolt 5.
Further, it is known that the bolt 5 is rotated by the rotating cylinder 14 and the bolt 5 is screwed into the substantially spherical node 4.
【0003】[0003]
【発明が解決しようとする課題】前記従来の立体トラス
用ねじ込み端部を有する弦材16の場合は、パイプ8の
端縁側にも雌ねじ9が設けられ、その雌ねじ部9に、エ
ンドコーン10の円筒体11の外周面に設けられた雄ね
じ部12に螺合されているので、エンドコーン10およ
びパイプ8に引張力または圧縮力が作用したとき、図9
に示すように、パイプ8の端部が拡開変形し、そのため
弦材16の強度が低下するという欠点がある。In the case of the above-mentioned conventional chord member 16 having a threaded end portion for a space truss, a female screw 9 is also provided on the end edge side of the pipe 8, and the female screw portion 9 is provided with an end cone 10. Since it is screwed into the male screw portion 12 provided on the outer peripheral surface of the cylindrical body 11, when a tensile force or a compressive force is applied to the end cone 10 and the pipe 8, FIG.
As shown in FIG. 5, the end of the pipe 8 is expanded and deformed, which reduces the strength of the chord member 16.
【0004】[0004]
【課題を解決するための手段】前述の問題を有利に解決
するために、本発明の立体トラス用ねじ込み端部を有す
る弦材においては、パイプ1の一端部の内側に、非螺合
部2を設け、前記非螺合部2におけるパイプ中間側に隣
接して、パイプ螺合用雌ねじ部3を設け、ノード4にボ
ルト5により固定されたエンドコーン6に、前記パイプ
螺合用雌ねじ部3を螺合する雄ねじ部7を設ける。In order to advantageously solve the above-mentioned problems, in a chord member having a threaded end portion for a space truss of the present invention, a non-threaded portion 2 is provided inside one end portion of a pipe 1. A pipe threading female thread portion 3 is provided adjacent to the pipe intermediate side of the non-threading portion 2, and the pipe threading female thread portion 3 is screwed onto an end cone 6 fixed to a node 4 by a bolt 5. A matching male screw portion 7 is provided.
【0005】[0005]
【実施例】次に本発明の第1実施例を図1ないし図5に
よって詳細に説明する。まず円形断面の鋼製またはアル
ミ製あるいはステンレス製のパイプ1の両端部における
内部に非螺合雌ねじ29を有する非螺合部2と、その非
螺合部2におけるパイプ中間側に隣接するパイプ螺合用
雌ねじ部3とが、連続して設けられ、中央部にボルト挿
通用透孔17を有する鋼製またはアルミ製あるいはステ
ンレス製のエンドコーン6の後部に鋼製またはアルミ製
あるいはステンレス製の円筒体18が連設され、その円
筒体18の外面の後部に雄ねじ部7が設けられ、かつ前
記円筒体18の外面の前部に、パイプ螺合用雌ねじ部3
のねじ山の頂部よりも僅かに大径の円筒面19が設けら
れている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described in detail with reference to FIGS. First, a non-threaded portion 2 having a non-threaded female thread 29 inside at both ends of a pipe 1 made of steel, aluminum or stainless steel having a circular cross section, and a pipe screw adjacent to the pipe intermediate side of the non-threaded portion 2. A cylindrical body made of steel, aluminum, or stainless steel at the rear of the end cone 6 made of steel, aluminum, or stainless steel, which is continuously provided with the internal female screw portion 3 and has a through hole 17 for bolt insertion in the central portion. 18 are continuously provided, a male screw portion 7 is provided on the rear portion of the outer surface of the cylindrical body 18, and a female screw portion 3 for pipe screwing is provided on the front portion of the outer surface of the cylindrical body 18.
A cylindrical surface 19 having a diameter slightly larger than the top of the screw thread is provided.
【0006】前記エンドコーン6における鋼製円筒体1
8の後端部にばね受金具20が固定され、そのばね受金
具20と鋼製ボルト5の頭部21との間に、弾性体また
はコイルばね15が圧縮状態で介在され、前記ボルト5
の中間部に6角部13が設けられると共に、前記ボルト
5の前部に6角部13よりも小径の雄ねじ22が設けら
れている。Steel cylinder 1 in the end cone 6
A spring receiving metal fitting 20 is fixed to the rear end portion of 8, and an elastic body or a coil spring 15 is interposed in a compressed state between the spring receiving metal fitting 20 and the head portion 21 of the steel bolt 5.
A hexagonal part 13 is provided in the middle part of the above, and a male screw 22 having a smaller diameter than the hexagonal part 13 is provided in the front part of the bolt 5.
【0007】前記エンドコーン6から突出しているボル
ト5の6角部13に、鋼製回動用筒体14における6角
孔23が嵌合され、前記回動用筒体14の外面にスパナ
などの回動工具を係合するための6角形外面24が設け
られ、前記ボルト5の雄ねじ22は回動用筒体14の前
端部よりも突出している。The hexagonal hole 23 of the steel rotating cylinder 14 is fitted into the hexagonal portion 13 of the bolt 5 projecting from the end cone 6, and the outer surface of the rotating cylinder 14 is provided with a wrench such as a spanner. A hexagonal outer surface 24 for engaging a moving tool is provided, and the male screw 22 of the bolt 5 projects from the front end portion of the rotating cylinder body 14.
【0008】球状の鋼製またはアルミ製あるいはステン
レス製のノード4に、そのノード4の中心部に向かって
延長する複数のねじ孔25が設けられている。またエン
ドコーン6にボルト5の回動を防止するため押ねじ26
が螺合されている。The spherical steel, aluminum, or stainless steel node 4 is provided with a plurality of screw holes 25 extending toward the center of the node 4. In addition, a push screw 26 is attached to the end cone 6 to prevent the rotation of the bolt 5.
Are screwed together.
【0009】第1実施例の弦材28を使用して、立体ト
ラスを組み立てる場合は、ノード4のねじ孔25に、弦
材28におけるボルト5の雄ねじ22の先端部を当接
し、次いでスパナなどの回動工具により、回動用筒体1
4を回動すると共に、その回動用筒体14によりボルト
5を回動して、そのボルト5の雄ねじ22をノード4の
ねじ孔25にねじ込んでいく。When assembling a space truss using the chord member 28 of the first embodiment, the tip of the male screw 22 of the bolt 5 of the chord member 28 is brought into contact with the screw hole 25 of the node 4, and then a spanner or the like. With the rotating tool, the rotating cylinder 1
4 is rotated, the bolt 5 is rotated by the rotating cylinder 14, and the male screw 22 of the bolt 5 is screwed into the screw hole 25 of the node 4.
【0010】図6および図7は本発明の第2実施例を示
すものであって、パイプ1の両端部に、エンドコーン6
の円筒体18の外面に設けられた雄ねじ部7よりも僅か
に大径の円筒面を有する非螺合部2が設けられ、かつ前
記パイプ1における非螺合部2のパイプ中間側に隣接し
て、パイプ螺合用雌ねじ部3が設けられているが、その
他の構成は第1実施例の場合と同様である。FIGS. 6 and 7 show a second embodiment of the present invention, in which end cones 6 are provided at both ends of the pipe 1.
The non-threaded portion 2 having a cylindrical surface slightly larger in diameter than the male threaded portion 7 provided on the outer surface of the cylindrical body 18 is provided, and is adjacent to the pipe intermediate side of the non-threaded portion 2 of the pipe 1. Although the internal thread portion 3 for pipe screwing is provided, other configurations are the same as in the case of the first embodiment.
【0011】[0011]
【発明の効果】本発明によれば、パイプ1の一端部の内
側に、非螺合部2を設け、前記非螺合部2におけるパイ
プ中間側に隣接して、パイプ螺合用雌ねじ部3を設け、
ノード4にボルト5により固定されたエンドコーン6
に、前記パイプ螺合用雌ねじ部3を螺合する雄ねじ部7
を設けたので、前記パイプ1の端部にある非螺合部2
が、エンドコーン6の雄ねじ部7により拡開されること
はなく、そのため弦材28の強度を大きくすることがで
きる。またパイプ1とエンドコーン6とを溶接により結
合することなく、ねじ切り加工のみによって結合できる
ので、溶接の困難な材料に対しても、立体トラスを低コ
ストで容易に組み立てることができる。According to the present invention, the non-threaded portion 2 is provided inside one end of the pipe 1, and the female threaded portion 3 for pipe threading is provided adjacent to the pipe intermediate side of the non-threaded portion 2. Provided,
End cone 6 fixed to node 4 with bolts 5
And a male screw portion 7 into which the female screw portion 3 for screwing the pipe is screwed.
Since the pipe is provided, the non-threaded portion 2 at the end of the pipe 1 is provided.
However, it is not expanded by the male screw portion 7 of the end cone 6, so that the strength of the chord member 28 can be increased. Further, since the pipe 1 and the end cone 6 can be joined only by thread cutting without joining them by welding, the space truss can be easily assembled at low cost even for a material that is difficult to weld.
【図1】本発明の第1実施例に係る立体トラスの一部を
示す縦断側面図である。FIG. 1 is a vertical sectional side view showing a part of a space truss according to a first embodiment of the present invention.
【図2】図1の一部を拡大して示す縦断側面図である。FIG. 2 is a vertical sectional side view showing a part of FIG. 1 in an enlarged manner.
【図3】図2のA−A線断面図である。3 is a cross-sectional view taken along the line AA of FIG.
【図4】図2のB−B線断面図である。FIG. 4 is a sectional view taken along line BB in FIG.
【図5】第1実施例におけるエンドコーン6とパイプ1
との関係を示す縦断側面図である。FIG. 5 is an end cone 6 and a pipe 1 in the first embodiment.
It is a vertical side view showing the relationship with.
【図6】本発明の第2実施例に係る立体トラスの一部を
示す縦断側面図である。FIG. 6 is a vertical sectional side view showing a part of a space truss according to a second embodiment of the present invention.
【図7】第2実施例におけるエンドコーン6とパイプ1
との関係を示す縦断側面図である。FIG. 7 is an end cone 6 and a pipe 1 according to the second embodiment.
It is a vertical side view showing the relationship with.
【図8】従来の立体トラスの一部を示す縦断側面図であ
る。FIG. 8 is a vertical sectional side view showing a part of a conventional space truss.
【図9】従来の立体トラスにおけるパイプがエンドコー
ンにより拡大変形された状態を示す縦断側面図である。FIG. 9 is a vertical cross-sectional side view showing a state in which a pipe in a conventional space truss is enlarged and deformed by an end cone.
1 パイプ 2 非螺合部 3 パイプ螺合用雌ねじ部 4 ノード 5 ボルト 6 エンドコーン 7 雄ねじ部 13 6角部 14 回動用筒体 15 弾性体 17 ボルト挿通用透孔 18 円筒体 19 円筒面 20 ばね受金具 21 頭部 22 雄ねじ 23 6角孔 24 6角形外面 25 ねじ孔 26 押しねじ 28 弦材 29 非螺合雌ねじ DESCRIPTION OF SYMBOLS 1 Pipe 2 Non-threaded part 3 Female threaded part for pipe threading 4 Node 5 Bolt 6 End cone 7 Male threaded part 13 6 Corner part 14 Rotating cylinder 15 Elastic body 17 Bolt insertion through hole 18 Cylindrical body 19 Cylindrical surface 20 Spring receiving Metal fitting 21 Head 22 Male screw 23 Hexagonal hole 24 Hexagonal outer surface 25 Screw hole 26 Push screw 28 String material 29 Non-threaded female screw
Claims (1)
を設け、前記非螺合部2におけるパイプ中間側に隣接し
て、パイプ螺合用雌ねじ部3を設け、ノード4にボルト
5により固定されたエンドコーン6に、前記パイプ螺合
用雌ねじ部3を螺合する雄ねじ部7を設けた立体トラス
用ねじ込み端部を有する弦材。1. A non-screwed portion 2 is provided inside one end of a pipe 1.
A pipe threading female thread portion 3 is provided adjacent to the pipe intermediate side of the non-threading portion 2, and the pipe threading female thread portion 3 is screwed onto an end cone 6 fixed to a node 4 by a bolt 5. A chord member having a threaded end portion for a space truss provided with a matching male screw portion 7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4175694A JP2965847B2 (en) | 1994-02-17 | 1994-02-17 | String material with threaded ends for space truss |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4175694A JP2965847B2 (en) | 1994-02-17 | 1994-02-17 | String material with threaded ends for space truss |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07229207A true JPH07229207A (en) | 1995-08-29 |
JP2965847B2 JP2965847B2 (en) | 1999-10-18 |
Family
ID=12617269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4175694A Expired - Fee Related JP2965847B2 (en) | 1994-02-17 | 1994-02-17 | String material with threaded ends for space truss |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2965847B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101598218B1 (en) * | 2014-11-17 | 2016-03-02 | 대영스틸산업주식회사 | Pedestrian bridge using ball joint |
-
1994
- 1994-02-17 JP JP4175694A patent/JP2965847B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101598218B1 (en) * | 2014-11-17 | 2016-03-02 | 대영스틸산업주식회사 | Pedestrian bridge using ball joint |
Also Published As
Publication number | Publication date |
---|---|
JP2965847B2 (en) | 1999-10-18 |
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