JP2533457B2 - Pipe connector - Google Patents
Pipe connectorInfo
- Publication number
- JP2533457B2 JP2533457B2 JP5179152A JP17915293A JP2533457B2 JP 2533457 B2 JP2533457 B2 JP 2533457B2 JP 5179152 A JP5179152 A JP 5179152A JP 17915293 A JP17915293 A JP 17915293A JP 2533457 B2 JP2533457 B2 JP 2533457B2
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- base
- holding
- wedge
- tightening
- 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.)
- Expired - Fee Related
Links
Description
【０００１】[0001]
【産業上の利用分野】本発明は、例えば建築用足場を組
み立てる際に多用されるパイプ連結具に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe connector frequently used in assembling a scaffold for building, for example.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】従来
は、パイプ抱持縁を有するＬ型のパイプ受基体の一端に
締付抱持体を開閉自在に枢着し、この締付抱持体の先端
にボルト杆を設け、パイプ受基体の他端に支承部を設け
ると共に、この支承部にボルト杆が嵌入する嵌入溝を形
成し、締付抱持体を閉じて、この嵌入溝にボルト杆を嵌
入し、外側よりナットを螺着して支承部に対して締め付
けてパイプを抱持固定するもので、例えばこのクランプ
を背中合わせに二体連結することで、直交する仮設パイ
プを交叉連結するものである。2. Description of the Related Art Conventionally, a fastening holding body is pivotally attached to one end of an L-shaped pipe receiving base having a pipe holding edge so that the fastening holding body can be opened and closed. A bolt rod is provided at the tip of the pipe, a bearing is provided at the other end of the pipe receiving base, and a fitting groove into which the bolt rod is fitted is formed in this bearing, and the tightening and holding body is closed, and the bolt is inserted into the groove. A rod is inserted, and a nut is screwed from the outside to clamp the pipe by holding it to the support part. For example, by connecting two clamps back to back, orthogonal temporary pipes are cross-linked. It is a thing.
【０００３】従来のこのようなクランプの締付作業はボ
ルトナット締付方式であり、回動工具を要して回し締め
作業を要することなどから厄介な作業で作業能率が悪
い。[0003] Conventionally, such a clamp tightening operation is a bolt and nut tightening method, which requires a rotating tool and requires a turning and tightening operation.
【０００４】そこで、出願人はハンマーなどの打撃具の
みで締め付けできる楔方式のクランプの開発に取り組
み、例えば実願平４−５４０６８号などの楔式クランプ
などを提案した。Therefore, the applicant has worked on the development of a wedge-type clamp which can be tightened only by a hammer or other hammer, and has proposed, for example, a wedge-type clamp such as Japanese Patent Application No. 4-54068.
【０００５】本発明は、この楔式クランプに更に改良を
加え、締付強度が向上し、外れにくく実用性に秀れた楔
式のクランプを提供することを目的としている。An object of the present invention is to provide a wedge-type clamp which is further improved in this wedge-type clamp and has improved tightening strength and is hard to come off and excellent in practicality.
【０００６】[0006]
【課題を解決するための手段】添付図面を参照して本発
明の要旨を説明する。The gist of the present invention will be described with reference to the accompanying drawings.
【０００７】鋼管１を抱持するＬ字型やコ字型或いはＣ
字型などの抱持縁２'を形成した基体２の一端部に、締
付抱持体３の基端部を枢着して基体２に対して締付抱持
体３を開閉自在に設け、基体２の他端部に支承部４を突
設し、この支承部４を分断するように締付抱持体３の開
閉先端部が嵌入する嵌入切欠部５を基体２の他端部に形
成し、この締付抱持体３の開閉先端部に、この開閉先端
部を嵌入切欠部５に嵌入する際に支承部４と所定間隙を
置いて対向する支承対向部６を突設し、この締付抱持体
３の開閉先端部に楔体７を回動自在にして且つ支承部４
と支承対向部６間に打入スライド自在に設け、分断され
る左右の支承部４間上方に支承対向部６を位置せしめ、
且つ打入される楔体７に圧接する支承対向部６の対向面
を略点当たり若しくは略線当たり状態で当接する湾曲面
８に形成したことを特徴とするパイプ連結具に係るもの
である。L-shaped or U-shaped or C-shaped holding the steel pipe 1.
The base end portion of the fastening holding body 3 is pivotally attached to one end portion of the base body 2 in which the holding edge 2'of a character shape or the like is formed, and the fastening holding body 3 is openably and closably attached to the base body 2. A support notch 5 is provided at the other end of the base 2 by projecting a support 4 at the other end of the base 2, and inserting the opening / closing tip of the tightening holder 3 so as to divide the support 4. A support facing portion 6 is provided at the opening / closing tip of the tightening and holding body 3 so as to face the bearing 4 with a predetermined gap when the opening / closing tip is fitted into the fitting notch 5, The wedge body 7 is rotatably attached to the opening / closing tip of the tightening and holding body 3 and the supporting portion 4 is provided.
And the bearing facing portion 6 are provided slidably for insertion, and the bearing facing portion 6 is positioned above the left and right bearing portions 4 which are divided,
In addition, the present invention relates to a pipe connector in which a facing surface of the bearing facing portion 6 that is pressed against the wedge body 7 to be driven is formed into a curved surface 8 that abuts in a substantially point contact or line contact state.
【０００８】また、前記支承部４の支承面に前記楔体７
の打入スライドをガイドするガイド溝12若しくはガイド
条を形成したことを特徴とする請求項１記載のパイプ連
結具に係るものである。The wedge body 7 is formed on the bearing surface of the bearing portion 4.
2. The pipe connector according to claim 1, wherein a guide groove 12 or a guide strip for guiding the driving slide is formed.
【０００９】[0009]
【作用】鋼管１に基体２を抱持して締付抱持体３を閉じ
て締付抱持体３の開閉先端部を嵌入切欠部５内に嵌入す
る。The clamping body 3 is closed by holding the base 2 in the steel pipe 1 and the opening / closing end of the clamping body 3 is fitted into the notch 5.
【００１０】すると、支承部４と支承対向部６とが所定
の間隙を介して対向し、この間隙内に打入スライドでき
るように楔体７を回動し、楔体７を打入スライドして鋼
管１に本案品を抱持固定する。Then, the bearing portion 4 and the bearing facing portion 6 face each other through a predetermined gap, and the wedge body 7 is rotated so that the wedge body 7 can be driven and slid into the gap, and the wedge body 7 is driven and slid. The product is held and fixed to the steel pipe 1.
【００１１】この際、嵌入切欠部５により左右に分断さ
れた支承部４・４間の上部に支承対向部６が位置し、支
承対向部６の対向面は湾曲面８に形成されているため、
楔体７には点当たり若しくは線当たり状態で圧接するた
め、楔体７に対してバランス良く、片持状態とならず上
部の湾曲面８により良好に楔体７を圧接することとな
り、この楔体７の打入による締付が強固となり、またこ
の状態が安定的となり、外れにくい。At this time, the bearing facing portion 6 is located above the bearing portions 4 and 4 divided into the right and left by the fitting notch 5, and the facing surface of the bearing facing portion 6 is formed into the curved surface 8. ,
Since the wedge body 7 is pressed against the wedge body 7 in a point-contact or line-contact state, the wedge body 7 is pressed against the wedge body 7 in a well-balanced manner and is not in a cantilever state, and the wedge body 7 is pressed against the wedge body 7 well. Tightening due to the insertion of the body 7 is strong, and this state is stable, making it difficult to come off.
【００１２】[0012]
【実施例】図１〜図３は本案品二体を背中合わせに回動
自在に連結し、一方で縦鋼管を抱持し、他方で横鋼管を
抱持して直交する鋼管同志を連結固定する交叉連結金具
に本発明を適用した第１実施例を図示したものである。1 to 3, two products of the present invention are rotatably connected back to back, and a vertical steel pipe is held on the one hand, and a horizontal steel pipe is held on the other hand to connect and fix orthogonal steel pipes. 1 illustrates a first embodiment in which the present invention is applied to a cross connecting fitting.
【００１３】本実施例では、従来例のボルトナット方式
と略同様の構成で抱持縁２'を有するＬ字型の基体２の
一端に締付抱持体３を開閉自在に枢着し、他端を外方へ
突出させて支承部４を形成し、この支承部４を分断する
ようにして切欠溝を形成して嵌入切欠部５を形成してい
る。In this embodiment, a tightening and holding body 3 is pivotally attached to one end of an L-shaped base body 2 having a holding edge 2'having a structure substantially similar to that of the conventional bolt and nut system, The other end is projected outward to form the bearing portion 4, and the notch groove is formed so as to divide the bearing portion 4 to form the fitting notch portion 5.
【００１４】一方締付抱持体３の嵌入切欠部５に嵌入す
る開閉先端を略直角に折り返して突出状態となる支承対
向部６を形成し、この支承対向部６と締付抱持体３との
間に取付杆９を架設している。楔体７の長さ方向に形成
した打入スライド用長窓10をこの取付杆９に係合して楔
体７を締付抱持体３に対して回動自在にして且つ打入ス
ライド自在に設けている。On the other hand, the opening / closing end to be fitted into the fitting notch 5 of the clamped holder 3 is bent at substantially right angle to form a bearing facing portion 6 which is in a projected state, and this bearing facing portion 6 and the clamped holder 3 are formed. And a mounting rod 9 is installed between them. A long window 10 for insertion slide formed in the length direction of the wedge body 7 is engaged with the mounting rod 9 so that the wedge body 7 is rotatable with respect to the tightening and holding body 3 and is also slideable for insertion. It is provided in.
【００１５】この楔体７は先端部に打撃部11を設け、基
端に行く程幅細くなる楔形状に設定し、嵌入切欠部５に
締付抱持部３を嵌入した後略直角に楔体７を回動して打
撃部11を打撃することで、支承部４と支承対向部６間の
間隙に打ち込み係止するように形成している。The wedge body 7 is provided with a striking portion 11 at the tip end thereof, and is set in a wedge shape such that the width becomes narrower toward the base end, and after the tightening and holding portion 3 is fitted into the fitting notch portion 5, the wedge body is formed at a substantially right angle. By rotating 7 to strike the striking portion 11, the striking portion 11 is driven and locked in the gap between the bearing portion 4 and the bearing facing portion 6.
【００１６】また、本実施例では折曲形成して形成した
支承対向部６を支承部４側に向けて凸状態の湾曲面８に
形成し、楔体７に対して線当たり状態となるように形成
している。Further, in this embodiment, the bearing facing portion 6 formed by bending is formed on the curved surface 8 in a convex state toward the bearing portion 4 side so that it comes into line contact with the wedge body 7. Is formed.
【００１７】また、嵌入切欠部５により左右対称状態に
分断形成されている支承部４・４の略中央上方に湾曲面
８が位置するように設けている。Further, a curved surface 8 is provided so as to be located substantially above the center of the bearings 4 which are divided and formed symmetrically by the fitting notch 5.
【００１８】また、本実施例の楔体７は、板材を折曲し
て支承部４に左右平行縁が当接する断面逆Ｕ字状に形成
しており、この左右平行縁が係合する線状のガイド溝12
を支承部４の支承面に二本設けている。このガイド溝12
は支承部４の裏面をプレスして二本のガイド溝12間を支
承面側へ突出することで形成している。Further, the wedge body 7 of this embodiment is formed by bending a plate material to form an inverted U-shape in cross section in which the left and right parallel edges contact the supporting portion 4, and the line with which the left and right parallel edges are engaged. -Shaped guide groove 12
Two bearings are provided on the bearing surface of the bearing unit 4. This guide groove 12
Is formed by pressing the back surface of the support portion 4 and projecting between the two guide grooves 12 toward the support surface side.
【００１９】また、図４は、基体２をＣ状の抱持縁の
２'を有するＬ型体２Ａの他端部に抱持体２Ｂを開閉自
在に枢着して構成し、この二体から成る基体２と基体２
の一端に枢着する締付抱持体３との三点から成るクラン
プに本発明を適用した第２実施例を図示している。Further, FIG. 4 shows that the base body 2 is constructed by pivotally attaching a holding body 2B to the other end of an L-shaped body 2A having a C-shaped holding edge 2 ', so that the holding body 2B can be opened and closed. Base 2 and base 2
2 shows a second embodiment in which the present invention is applied to a clamp consisting of three points with a tightening and holding body 3 pivotally attached to one end of the.
【００２０】[0020]
【発明の効果】本発明は上述のように構成したから、楔
体を打ち込んだ締付状態において、嵌入切欠部により左
右に分断された支承部間の上部に支承対向部が位置し、
支承対向部の対向面は湾曲面に形成されているため、楔
体には点当たり若しくは線当たり状態で圧接し、楔体に
対してバランス良く、片持状態とならず上部の湾曲面の
より良好に楔体を圧接することとなり、この楔体の打入
による締付が強固となり、またこの状態が安定的とな
り、外れにくい秀れた楔式のパイプ連結具となる。ま
た、楔体の打入スライドもスムーズになし得、更にガイ
ド溝を設ければ一層スムーズとなり、秀れた楔式のパイ
プ連結具となる。Since the present invention is configured as described above, in the tightened state in which the wedge body is driven, the bearing facing portion is located above the bearing portion divided into the right and left by the fitting notch,
Since the facing surface of the bearing facing portion is formed into a curved surface, it is pressed against the wedge body in a point-contact or line-contact state, and is well balanced with respect to the wedge body. The wedge body is satisfactorily pressed into contact with the wedge body, so that the wedge body is firmly tightened, and this state becomes stable. Further, the wedge body can be smoothly slid in, and if a guide groove is further provided, the wedge body becomes smoother, resulting in an excellent wedge-type pipe connector.
【図１】第１実施例の締付状態の斜視図である。FIG. 1 is a perspective view of a tightened state of a first embodiment.
【図２】第１実施例の締付状態の断面図である。FIG. 2 is a sectional view of the tightened state of the first embodiment.
【図３】第１実施例の締付状態の正面図である。FIG. 3 is a front view of the tightened state of the first embodiment.
【図４】第２実施例の締付状態の斜視図である。FIG. 4 is a perspective view of a tightened state of the second embodiment.
１ 鋼管 ２ 基体 ２' 抱持縁 ３ 締付抱持体 ４ 支承部 ５ 嵌入切欠部 ６ 支承対向部 ７ 楔体 ８ 湾曲面 12 ガイド溝 1 Steel Pipe 2 Base 2'Holding Edge 3 Tightening Hugging Body 4 Bearing 5 Fitting Notch 6 Bearing Facing 7 Wedge 8 Curved Surface 12 Guide Groove
───────────────────────────────────────────────────── フロントページの続き (72)発明者 吉田 洋 東京都台東区台東４丁目11番４号 日本 ビテイリース株式会社内 (72)発明者 吉田 信二 兵庫県尼崎市扶桑町１番21号 住金鋼材 工業株式会社内 (56)参考文献 実開 昭51−93122（ＪＰ，Ｕ) 実開 昭55−151909（ＪＰ，Ｕ) 実開 昭57−205406（ＪＰ，Ｕ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hiroshi Yoshida 4-11-4 Taito, Taito-ku, Tokyo Japan Vital Lease Co., Ltd. (72) Inventor Shinji Yoshida 1-21 Fusocho, Amagasaki-shi, Hyogo Sumikin Kogyo Kogyo Co., Ltd. (56) References Open 51-93122 (JP, U) Open 55-151909 (JP, U) Open 57-205406 (JP, U)
Claims (2)
字型などの抱持縁を形成した基体の一端部に、締付抱持
体の基端部を枢着して基体に対して締付抱持体を開閉自
在に設け、基体の他端部に支承部を突設し、この支承部
を分断するように締付抱持体の開閉先端部が嵌入する嵌
入切欠部を基体の他端部に形成し、この締付抱持体の開
閉先端部に、この開閉先端部を嵌入切欠部に嵌入する際
に支承部と所定間隙を置いて対向する支承対向部を突設
し、この締付抱持体の開閉先端部に楔体を回動自在にし
て且つ支承部と支承対向部間に打入スライド自在に設
け、分断される左右の支承部間上方に支承対向部を位置
せしめ、且つ打入される楔体に圧接する支承対向部の対
向面を略点当たり若しくは略線当たり状態で当接する湾
曲面に形成したことを特徴とするパイプ連結具。1. An L-shaped or U-shaped or C-shaped holding a steel pipe.
The base end portion of the tightening holding body is pivotally attached to one end portion of the base body having a holding edge such as a letter shape, and the tightening holding body is openably and closably attached to the base body, and the other end portion of the base body is provided. A protrusion is provided on the base and a fitting notch is formed in the other end of the base body into which the opening / closing tip of the fastening holder is inserted so as to divide the bearing, and the opening / closing tip of the fastening holder is formed. When the opening / closing tip portion is fitted into the fitting cutout portion, a bearing facing portion is provided so as to face the bearing portion with a predetermined gap, and the wedge body is rotated at the opening / closing tip portion of the tightening body. Of the bearing facing portion which is freely mounted and is slidably inserted between the bearing portion and the bearing facing portion, the bearing facing portion is positioned above the divided left and right bearing portions, and is pressed against the wedge body to be driven. A pipe connector, characterized in that the opposing surfaces are formed into curved surfaces that come into contact with each other in a substantially point-contacting or line-contacting state.
ライドをガイドするガイド溝若しくはガイド条を形成し
たことを特徴とする請求項１記載のパイプ連結具。2. The pipe connecting tool according to claim 1, wherein a guide groove or a guide line for guiding the driving slide of the wedge body is formed on a bearing surface of the bearing portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5179152A JP2533457B2 (en) | 1993-07-20 | 1993-07-20 | Pipe connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5179152A JP2533457B2 (en) | 1993-07-20 | 1993-07-20 | Pipe connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0735118A JPH0735118A (en) | 1995-02-03 |
| JP2533457B2 true JP2533457B2 (en) | 1996-09-11 |
Family
ID=16060871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5179152A Expired - Fee Related JP2533457B2 (en) | 1993-07-20 | 1993-07-20 | Pipe connector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2533457B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3018419U (en) * | 1995-05-23 | 1995-11-21 | 有限会社丸石産業 | Splicer |
| CN104372938A (en) * | 2014-11-12 | 2015-02-25 | 赖永荣 | Fastening type scaffold fixing device |
| ES2966495T3 (en) * | 2018-07-13 | 2024-04-22 | Megajoint Co Ltd | Object gripping device and deep-drawing type pipe joint tightening tool using the same |
| KR102291640B1 (en) * | 2018-07-13 | 2021-08-19 | 주식회사 메가조인트 | Apparatus for gripping object and tool for installing swage type pipe fittings to pipe using the same |
-
1993
- 1993-07-20 JP JP5179152A patent/JP2533457B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0735118A (en) | 1995-02-03 |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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