JPH0748877Y2 - Pipe joint - Google Patents
Pipe jointInfo
- Publication number
- JPH0748877Y2 JPH0748877Y2 JP1991022690U JP2269091U JPH0748877Y2 JP H0748877 Y2 JPH0748877 Y2 JP H0748877Y2 JP 1991022690 U JP1991022690 U JP 1991022690U JP 2269091 U JP2269091 U JP 2269091U JP H0748877 Y2 JPH0748877 Y2 JP H0748877Y2
- Authority
- JP
- Japan
- Prior art keywords
- hole
- connecting pipe
- pin
- locking pin
- pipe
- 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 - Lifetime
Links
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この考案はパイプジョイント、更
に詳しくはパイプ製足場枠を順次接続して仮設足場を構
築するために用いるパイプジョイントに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe joint, and more particularly to a pipe joint used for sequentially connecting pipe scaffold frames to construct a temporary scaffold.
【０００２】[0002]
【従来の技術】パイプを用いて門型や鳥居型に形成され
た足場枠で仮設足場を構築するには、上下の足場枠をパ
イプジョイントで順次接続することによって組立てられ
る。2. Description of the Related Art In order to construct a temporary scaffold with scaffold frames formed in a gate type or a torii type using pipes, upper and lower scaffold frames are sequentially connected by pipe joints.
【０００３】上記のような足場枠の組立てに用いるジョ
イントには従来より種々の構造が提案されているが、そ
の何れも接続作業が不便であるという問題を有してい
る。Various structures have been proposed for the joints used for assembling the scaffolding frame as described above, but all of them have a problem that connection work is inconvenient.
【０００４】図１９は実開昭６３−１６３３４６号によ
って提案されているパイプジョイントを例示しており、
接続用パイプ１内に挿入した板ばね２の一方端部を接続
用パイプ１内に固定すると共に、板ばね２の一面側で中
間部に操作用ピン３と他端側に係止用ピン４を突設し、
接続用パイプ１には操作用ピン３の貫通孔５と係止用ピ
ン４の貫通孔６を設けた構造になっている。FIG. 19 exemplifies a pipe joint proposed by Japanese Utility Model Laid-Open No. 63-163346.
One end of the leaf spring 2 inserted in the connecting pipe 1 is fixed in the connecting pipe 1, and at one side of the leaf spring 2, an operating pin 3 is provided at an intermediate portion and a locking pin 4 is provided at the other end. Protruding,
The connecting pipe 1 has a structure in which a through hole 5 for the operation pin 3 and a through hole 6 for the locking pin 4 are provided.
【０００５】上記のジョイントは、足場枠７の縦パイプ
８に挿入した接続用パイプ１と該縦パイプ８を係止用ピ
ン４によって結合すると共に、操作用ピン３を押込んで
係止用ピン４を貫通孔６に没入させることにより縦パイ
プ８に対する接続用パイプ１の抜差しが可能になる。In the joint, the connecting pipe 1 inserted into the vertical pipe 8 of the scaffolding frame 7 and the vertical pipe 8 are connected by a locking pin 4, and the operating pin 3 is pushed in to lock the locking pin 4. By immersing the connection pipe 1 in the through hole 6, the connection pipe 1 can be inserted into and removed from the vertical pipe 8.
【０００６】[0006]
【考案が解決しようとする課題】ところで、上記のよう
なジョイントは、縦パイプ８に対する接続用パイプ１の
抜差時に操作用ピン４を常時押込み保持して係止用ピン
４の没入状態を維持する必要があるため、抜差操作時に
操作用ピン３を押込み保持する操作を並行して行なわな
ければならず、このような二つの操作を同時に行なうに
は作業性が極めて悪く、抜差操作が行ないにくいという
問題がある。By the way, in the joint as described above, the operation pin 4 is always pushed in and held when the connecting pipe 1 is pulled out from the vertical pipe 8 to maintain the locking pin 4 in the retracted state. Therefore, the operation of pushing in and holding the operation pin 3 must be performed in parallel at the time of the removing operation, and the workability is extremely poor to perform such two operations at the same time. There is a problem that it is difficult to do.
【０００７】そこで、この考案は、上記のような問題点
を解決するため、係止用ピンの没入状態をロックし、抜
差操作を独立した作業で行なえるようにし、作業の単純
化によって抜差操作が円滑に行なえるパイプジョイント
を提供することを課題としている。In order to solve the above problems, the present invention locks the locking pin in the retracted state so that the insertion / removal operation can be performed by an independent operation, and the operation is simplified. It is an object of the present invention to provide a pipe joint that can be smoothly operated for insertion.
【０００８】[0008]
【課題を解決するための手段】上記のような課題を解決
するため、第１の考案は、接続用パイプ内に挿入した接
続部材に操作用部材と係止用ピンを同一方向に設け、接
続用パイプに操作用部材の貫通孔と係止用ピンの貫通孔
を各々設け、前記接続部材の背面側に、この接続部材を
介して操作用部材及び係止用ピンに各々の貫通孔から接
続用パイプの外面に突出する弾性を付勢するばねを設
け、前記操作用部材に、この操作用部材を押込んだとき
貫通孔の周囲で接続用パイプの内面に係合し、係止用ピ
ンの没入状態を保持するロック機構を設けた構成を採用
したものである。In order to solve the above problems, a first invention is to connect a connecting member inserted in a connecting pipe with an operating member and a locking pin in the same direction. The through pipe of the operating member and the through hole of the locking pin are respectively provided in the pipe, and the through hole is connected to the operating member and the locking pin through the connecting member on the back side of the connecting member. When a spring for biasing elasticity protruding to the outer surface of the operating pipe is provided and the operating member is pushed into the operating member,
Engage with the inner surface of the connecting pipe around the through hole, and
It adopts a configuration with a lock mechanism that holds the retracted state of the engine .
【０００９】同じく第２の考案は、接続用パイプ内に挿
入した接続部材に操作用部材と係止用ピンを同一方向に
設け、接続用パイプに操作用部材の貫通孔と係止用ピン
の貫通孔を各々設け、前記接続部材の背面側にこの接続
部材を介して操作用部材及び係止用ピンに各々の貫通孔
から接続用パイプの外側に突出する弾性を付勢するばね
を設け、前記接続用パイプの操作用部材が突出する外周
面に回動によって操作用部材を押込み状態にして係止用
ピンをその貫通孔から没入させた状態を保持するロック
リングを設けた構成を採用したものである。[0009] Also the second invention, the operating member and the locking pin in the inserted connecting member in the connection pipe provided in the same direction, of the operation member to the connection pipe through holes and the locking pins Each through hole is provided, and a spring for biasing elasticity protruding from each through hole to the outside of the connecting pipe is provided on the operating member and the locking pin via the connecting member on the back side of the connecting member, A structure in which a lock ring is provided on the outer peripheral surface of the connecting pipe where the operating member projects so as to hold the state in which the operating member is pushed in by the rotation to hold the locking pin in the through hole. It is a thing.
【００１０】[0010]
【作用】第１の考案 操作用部材（以下操作用ピンという）を押込めば係止用
ピンの投入状態を維持でき、接続用パイプとパイプの抜
差が単純作業で行なえ、ロック機構の係止を解くとばね
の弾性で係止用ピンが突出し、接続用パイプとパイプの
結合が得られる。[Action] first devised steering action member (hereinafter referred to as the operation pin) can be maintained on state of the field locking pins pushed a valve slide of the connecting pipe and the pipe is performed by simple operations, engagement of the locking mechanism When the spring is released, the elasticity of the spring causes the locking pin to project, so that the connecting pipe can be connected to the pipe.
【００１１】第２の考案 ロックリングを回動して操作用ピンを押込めば係止用ピ
ンの没入状態を維持でき、接続用パイプとパイプの抜差
が単独で行なえ、ロックリングを回動して操作用ピンの
押込みを解くとばねの弾性で係止用ピンが突出し、接続
用パイプとパイプの結合が得られる。Second invention: By rotating the lock ring to push in the operating pin, the locking pin can be kept in the retracted state, the connecting pipe and the pipe can be pulled out independently, and the lock ring can be rotated. Then, when the operation pin is unpushed, the elasticity of the spring causes the locking pin to project, so that the connection pipe and the pipe can be connected.
【００１２】[0012]
【実施例】以下、この考案の実施例を添付図面の図１乃
至図１８に基づいて説明する。EXAMPLES Hereinafter, be described with reference to FIGS. 1 to 18 of the embodiment of this invention the accompanying drawings.
【００１３】図１乃至図４に示す第１の実施例におい
て、接続用パイプ１１の中間部外周にフランジ１２が周
設されていると共に、接続用パイプ１１の内部に接続部
材として例示した硬質の帯状プレート１３が挿入され、
このプレート１３の一面側で中間部の位置に操作用ピン
１４と上端部に係止用ピン１５が突設されている。In the first embodiment shown in FIGS. 1 to 4, a flange 12 is provided around the intermediate portion of the connecting pipe 11 and the connecting portion is provided inside the connecting pipe 11.
The hard strip plate 13 exemplified as the material is inserted,
On one side of the plate 13, an operation pin 14 is provided at an intermediate position and a locking pin 15 is provided at an upper end.
【００１４】上記接続用パイプ１１における中央部の位
置及びフランジ１２にわたって、操作用ピン１４の貫通
孔１６が設けられ、更にこの貫通孔１６の直上に位置す
る外周面に係止用ピン１５の貫通孔１７が設けられ、プ
レート１３の他面側で下端部及び操作用ピン１４と係止
用ピン１５間の位置の各々にばね１８、１９が固定され
ている。A through hole 16 for the operating pin 14 is provided in the central portion of the connecting pipe 11 and over the flange 12, and the locking pin 15 penetrates the outer peripheral surface located immediately above the through hole 16. A hole 17 is provided, and springs 18 and 19 are fixed to the other surface of the plate 13 at the lower end and at positions between the operating pin 14 and the locking pin 15, respectively.
【００１５】両ばね１８、１９は、プレート１３を接続
用パイプ１１内に挿入した状態で自由端部を接続用パイ
プ１１の内面に当接させて圧縮状態としてもよいが、図
１と図２のようにばね１８、１９の端部を接続用パイプ
１１内に当接するばね受座板５１で支持するようにして
もよい。ばね１８、１９は圧縮状態でプレート１３を押
圧することにより、操作用ピン１４と係止用ピン１５に
各々の貫通孔１６、１７から外部に突出する弾性を付勢
している。Both springs 18 and 19 may be in a compressed state by abutting their free ends to the inner surface of the connecting pipe 11 with the plate 13 inserted into the connecting pipe 11, but FIGS. As described above, the ends of the springs 18 and 19 may be supported by the spring seat plate 51 that abuts inside the connecting pipe 11. By pressing the plate 13 in a compressed state, the springs 18 and 19 urge the operation pin 14 and the locking pin 15 to elastically project outward from the through holes 16 and 17, respectively.
【００１６】上記のようなばね１８、１９による弾性の
付与により、操作用ピン１４及び係止用ピン１５は各々
の貫通孔１６、１７に嵌合し、操作用ピン１４はフラン
ジ１２の外側に、また係止用ピン１５は接続用パイプ１
１の外側に各々所定長さだけ突出し、プレート１３は定
位置に押圧保持された状態になる。Due to the elasticity imparted by the springs 18 and 19 as described above, the operation pin 14 and the locking pin 15 are fitted into the respective through holes 16 and 17, and the operation pin 14 is located outside the flange 12. , The locking pin 15 is the connecting pipe 1
Each of the plates 13 protrudes by a predetermined length to the outside of the plate 1, and the plate 13 is pressed and held in a fixed position.
【００１７】また、操作用ピン１４を押込むとばね１
８、１９を圧縮してプレート１３が押込まれ、操作用ピ
ン１４は両ばね１８、１９に対して上位のばね１８に片
寄っているため、プレート１３は図４のように上端側の
移動量が多くなって傾斜し、係止用ピン１５が貫通孔１
７内に没入する状態となる。When the operating pin 14 is pushed in, the spring 1
8 and 19 are compressed and the plate 13 is pushed in, and the operating pin 14 is biased to the upper spring 18 relative to both springs 18 and 19, so that the plate 13 has a movement amount on the upper end side as shown in FIG. Increasingly inclined and the locking pin 15 has a through hole 1
It will be in the state of being immersed in 7.
【００１８】前記操作用ピン１４には押込み状態で接続
用パイプ１１に係合し、この操作用ピン１４の押込み状
態を維持すると共に係止用ピン１５の没入状態を保持す
るロック機構２０が設けられている。The operating pin 14 is provided with a lock mechanism 20 which engages with the connecting pipe 11 in the pushed state, maintains the pushed state of the operating pin 14, and holds the retracted state of the locking pin 15. Has been.
【００１９】このロック機構２０は、図２のように、操
作用ピン１４のフランジ１２から突出する外周面に、重
なり合う接続用パイプ１１とフランジ１２の肉厚が嵌合
する幅の凹溝２１を設けて形成され、操作用ピン１４は
押込むとプレート１３の傾斜によって押上げられ、凹溝
２１が貫通孔１６の上縁に係合することにより、操作用
ピン１４の押込み状態を係合保持することになる。As shown in FIG. 2, the lock mechanism 20 has a groove 21 having a width such that the overlapping wall thicknesses of the connecting pipe 11 and the flange 12 are fitted on the outer peripheral surface of the operating pin 14 protruding from the flange 12. When provided, the operation pin 14 is pushed up by the inclination of the plate 13 when pushed, and the concave groove 21 engages with the upper edge of the through hole 16 to hold the pushed state of the operation pin 14 in engagement. Will be done.
【００２０】上記操作用ピン１４の凹溝２１が貫通孔１
６の上部に対して係脱自在となるのは、プレート１３が
ばね１８、１９で弾性的に支持され、上下方向への移動
に余裕があるからである。なお、接続用パイプ１１は、
図１に示すように、下位足場枠２２における縦パイプ２
３内に下半部を挿入し、その下端部を縦パイプ２３と貫
通ピン２４によって結合すると共に、接続用パイプ１１
の上半部に嵌挿する上位足場枠２５の縦パイプ２６には
下部の位置に係止用ピン１５が係脱する係合孔２７が設
けられている。The concave groove 21 of the operating pin 14 has the through hole 1
The reason why the plate 13 can be engaged with and disengaged from the upper part is that the plate 13 is elastically supported by the springs 18 and 19 and has a margin for vertical movement. The connecting pipe 11 is
As shown in FIG. 1, the vertical pipe 2 in the lower scaffolding frame 22.
3, the lower half part is inserted, the lower end part is connected by the vertical pipe 23 and the through pin 24, and the connecting pipe 11
The vertical pipe 26 of the upper scaffolding frame 25 fitted into the upper half of the upper part has an engaging hole 27 at a lower position for engaging and disengaging the locking pin 15.
【００２１】この考案の第１の実施例は上記のような構
成であり、接続用パイプ１１は下半部を下位足場枠２２
の縦パイプ２３に挿入し、フランジ１２の下面が縦パイ
プ２３の上端に当接支持された状態で接続用パイプ１１
と縦パイプ２３を貫通ピン２４によって結合する。The first embodiment of the present invention is constructed as described above, and the lower half of the connecting pipe 11 is a lower scaffolding frame 22.
The connecting pipe 11 with the lower surface of the flange 12 abutted and supported on the upper end of the vertical pipe 23.
And the vertical pipe 23 are connected to each other by the through pin 24.
【００２２】接続用パイプ１１に上位足場枠２５の縦パ
イプ２６を結合するには、先ず、図４のように、操作用
ピン１４を押込んで凹溝２１を貫通孔１６の上部に係止
し、係止用ピン１５を貫通孔１７に没入状態とする。To connect the vertical pipe 26 of the upper scaffolding frame 25 to the connecting pipe 11, first, as shown in FIG. 4, the operating pin 14 is pushed in to lock the concave groove 21 in the upper portion of the through hole 16. , The locking pin 15 is put into the through hole 17.
【００２３】次に、接続用パイプ１１の上半部に上位足
場枠２５の縦パイプ２６を外嵌挿し、その下端をフラン
ジ１２上に当接させた状態で操作用ピン１４を押下げ、
凹溝２１の貫通孔１６に対する係合を解けば、ばね１
８、１９の押圧によって操作用ピン１４と係止用ピン１
５は各々の貫通孔１６、１７から外方に突出し、図１に
示すように、係止用ピン１５が上位足場枠２５の縦パイ
プ２６に設けた係合孔２７に係合し、接続用パイプ１１
と縦パイプ２６が結合され、上下の足場枠２２、２５が
接続用パイプ１１を介して接続される。Next, the vertical pipe 26 of the upper scaffolding frame 25 is externally fitted on the upper half of the connecting pipe 11, and the operation pin 14 is pushed down while the lower end thereof is in contact with the flange 12.
If the engagement of the groove 21 with the through hole 16 is released, the spring 1
The operation pin 14 and the locking pin 1 are pressed by pressing 8 and 19.
Reference numeral 5 projects outward from the through holes 16 and 17, and as shown in FIG. 1, the locking pin 15 engages with the engaging hole 27 provided in the vertical pipe 26 of the upper scaffolding frame 25 for connection. Pipe 11
And the vertical pipe 26 are coupled to each other, and the upper and lower scaffolding frames 22 and 25 are connected to each other via the connecting pipe 11.
【００２４】また、上位足場枠２５の取外し時は、操作
用ピン１４を押込んでロック機構２０を係止し、係止用
ピン１５を接続用パイプ１１内に没入させて係合孔２７
から抜取れば、上位足場枠２５を上方に抜取ることがで
きる。When the upper scaffolding frame 25 is removed, the operating pin 14 is pushed in to lock the lock mechanism 20, and the locking pin 15 is retracted into the connecting pipe 11 to engage the engaging hole 27.
The upper scaffolding frame 25 can be pulled out upward by pulling out the upper scaffolding frame 25.
【００２５】次に、図５乃至図９に示す第２の実施例を
説明する。なお、第１の実施例と同一部分については同
一符号を付して省略する。Next, a second embodiment shown in FIGS. 5 to 9 will be described. The same parts as those in the first embodiment are designated by the same reference numerals and will be omitted.
【００２６】この第２の実施例は、第１の実施例に対し
て操作用ピン１４と接続用パイプ１１に設けるロック機
構２０が異なっている。図６のように、プレート１３に
突設した操作用ピン１４が円軸部３１とこの円軸部３１
の先端側に設けた異形部３２とからなり、円軸部３１の
先端に係止面３３を形成すると共に、接続用パイプ１１
とフランジ１２の重なり部分に設けた貫通孔３４は、円
軸部３１が嵌合する内径を有し、その上部に異形部３２
の嵌合切欠３５が設けられている。The second embodiment differs from the first embodiment in the lock mechanism 20 provided on the operating pin 14 and the connecting pipe 11. As shown in FIG. 6, the operation pin 14 projecting from the plate 13 has the circular shaft portion 31 and the circular shaft portion 31.
And a deformed portion 32 provided on the distal end side of the connecting pipe 11 for forming a locking surface 33 at the distal end of the circular shaft portion 31.
The through hole 34 provided at the overlapping portion of the flange 12 and the flange 12 has an inner diameter into which the circular shaft portion 31 fits, and the deformed portion 32 is provided on the upper portion thereof.
The fitting notch 35 is provided.
【００２７】上記操作用ピン１４の異形部３２は、図６
に示す場合断面略十字状に形成され、上部突条３６が切
欠３５に対して嵌合し得るようになっていると共に、円
軸部３１の係止面３３は上部突条３６を挾む両側に位置
している。The deformed portion 32 of the operating pin 14 is shown in FIG.
In the case shown in FIG. 2, the cross section is formed in a substantially cross shape so that the upper protrusion 36 can be fitted into the notch 35, and the locking surface 33 of the circular shaft portion 31 is located on both sides of the upper protrusion 36. Is located in.
【００２８】図７に示す異形部３２ａは上下に長い長円
形の断面形状に成形され、切欠３５に対して上部が嵌合
し得ると共に、円軸部３１の係止面３３はこの異形部３
２ａを挾む両側に位置している。The deformed portion 32a shown in FIG. 7 is formed in a vertically long oval cross-sectional shape so that the upper portion can fit into the notch 35, and the locking surface 33 of the circular shaft portion 31 has the deformed portion 3a.
It is located on both sides of 2a.
【００２９】図８に示す異形部３２ｂは、半円形部の上
部に突条３６を設けた凸型の断面形状に形成し、円軸部
３１の係止面３３が突条３６の両側に位置している。The deformed portion 32b shown in FIG. 8 is formed in a convex cross-sectional shape in which the protrusion 36 is provided on the upper portion of the semicircular portion, and the locking surfaces 33 of the circular shaft portion 31 are located on both sides of the protrusion 36. is doing.
【００３０】第２の実施例で示したロック機構２０は上
記のような構成であり、操作用ピン１４を押込むと、図
９の如く、異形部３２が貫通孔３４内に納まり、プレー
ト１３の傾斜によって切欠３５内に異形部３２の上部が
嵌合し、円軸部３１の先端係止面３３が接続用パイプ１
１の内面で貫通孔３４の周囲上部に係合するため、操作
用ピン１４の押込み状態が保持され、係止用ピン１５が
貫通孔１７の内側に没入した状態になる。The lock mechanism 20 shown in the second embodiment has the above-mentioned structure. When the operating pin 14 is pushed in, the deformed portion 32 is housed in the through hole 34 as shown in FIG. The upper portion of the deformed portion 32 is fitted into the notch 35 due to the inclination of, and the tip end locking surface 33 of the circular shaft portion 31 is connected to the connecting pipe 1.
Since the inner surface of 1 engages with the upper part of the periphery of the through hole 34, the pushed state of the operation pin 14 is maintained, and the locking pin 15 is recessed inside the through hole 17.
【００３１】また、操作用ピン１４を押下げて係止面３
３の接続用パイプ１１に対する係合を解くと、ばね１
８、１９による押圧弾性で操作用ピン１４と係止用ピン
１５は各々の貫通孔３４、１７から外部に突出し、操作
用ピン１４は円軸部３１が貫通孔３４内に納まった状態
になる。Also, the operation pin 14 is pushed down and the locking surface 3
3 is disengaged from the connecting pipe 11, the spring 1
The operation pin 14 and the locking pin 15 are projected outward from the through holes 34 and 17 by the pressing resilience by 8, 19 and the operation pin 14 is in a state in which the circular shaft portion 31 is housed in the through hole 34. .
【００３２】図１０乃至図１４に示す第３の実施例は、
操作用ピン１４の出没操作をロックリング４１の回動に
よって行なうようにしたものであり、第１の実施例と同
一部分については同一符号を付して説明に代える。以下
の実施例においても同様である。The third embodiment shown in FIGS. 10 to 14 is
The operation pin 14 is retracted and retracted by rotating the lock ring 41, and the same parts as those in the first embodiment are designated by the same reference numerals and will not be described. The same applies to the following examples.
【００３３】図１１に示すように、フランジ１２の外側
に嵌挿したロックリング４１が、フランジ１２の長孔４
２とこの長孔４２に嵌合するようロックリング４１に固
定したピン４３によって一定範囲を回動自在になると共
に、ロックリング４１の貫通孔１６に臨む部分に周方向
の長孔４４が設けられている。As shown in FIG. 11, the lock ring 41 fitted to the outside of the flange 12 is provided with the long hole 4 of the flange 12.
2 and a pin 43 fixed to the lock ring 41 so as to be fitted in the long hole 42, can be freely rotated within a certain range, and a long hole 44 in the circumferential direction is provided in a portion of the lock ring 41 facing the through hole 16. ing.
【００３４】プレート１３に突設した操作用ピン１４
は、貫通孔１６に嵌合する円軸部４５の先端に長孔４４
へ嵌合する角軸部４６を設け、この角軸部４６の一方側
面に傾斜面４７を設けて形成されている。操作用ピン１
４を押込むには図１１のように、ロックリング４１を同
図矢印のように反時計方向に回動させ、長孔４４の端部
を傾斜面４７に作用させればよく、ロックリング４１の
回動と傾斜面４７によって操作用ピン１４は図１３と図
１４の如く貫通孔１６内に押込まれた状態が保持され、
係止用ピン１５は貫通孔１７内に没入する。Operation pin 14 projecting from the plate 13
Is a long hole 44 at the tip of the circular shaft portion 45 fitted in the through hole 16.
Is formed by providing an angled shaft portion 46 that fits in with, and an inclined surface 47 on one side surface of the angled shaft portion 46. Operation pin 1
4, the lock ring 41 may be rotated counterclockwise as shown by the arrow in FIG. 11 so that the end of the long hole 44 acts on the inclined surface 47. The operation pin 14 is held in the through hole 16 by the rotation and the inclined surface 47 as shown in FIGS.
The locking pin 15 sinks into the through hole 17.
【００３５】また、ロックリング４１を図１４の時計方
向に回動させ、操作用ピン１４の傾斜面４７から長孔４
４の端部を離反させると、ばね１８、１９の押圧弾性に
より操作用ピン１４及び係止用ピン１５は各々の貫通孔
１６、１７から外部に突出状態となる。Further, the lock ring 41 is rotated in the clockwise direction in FIG.
When the end portions of 4 are separated, the operation pins 14 and the locking pins 15 are projected outward from the through holes 16 and 17 due to the pressing elasticity of the springs 18 and 19.
【００３６】図１５と図１６に示す第４の実施例は、基
本的に第１の実施例と同様の構造であるが、帯状のプレ
ート１３を硬質の合成樹脂で形成し、操作用ピン１４を
プレート１３と一体成形すると共に、係止用ピン１５を
プレート１３の上端側にモールド固定化している。The fourth embodiment shown in FIGS. 15 and 16 has basically the same structure as that of the first embodiment, but the strip-shaped plate 13 is made of hard synthetic resin, and the operating pin 14 is used. Is integrally molded with the plate 13, and the locking pin 15 is fixed to the upper end of the plate 13 by molding.
【００３７】プレート１３の他面側に取付けるばね１
８、１９はテーパ状のコイルばねを用い、プレート１３
に設けたばね受座６１に大径端もしくは小径端を固定し
ている。Spring 1 attached to the other side of plate 13
8 and 19 use tapered coil springs, and plate 13
The large-diameter end or the small-diameter end is fixed to the spring seat 61 provided on the.
【００３８】上記ばね１８、１９にテーパ状のコイルば
ねを用いると、収縮状態が偏平になり、接続用パイプ１
１内へのプレート１３の組込み作業が容易に行なえる。If a tapered coil spring is used for the springs 18 and 19, the contracted state becomes flat and the connecting pipe 1
The work of assembling the plate 13 into the inside of 1 can be easily performed.
【００３９】前記プレート１３の一面側は接続用パイプ
１１の内径に内接する弧状面になっていると共に、操作
用ピン１４に設けたロック機構２０は、操作用ピン１４
の上面側に、接続用パイプ１１の内径に適合する弧状の
段部６２を設けて形成されている。One side of the plate 13 is an arcuate surface that is inscribed in the inner diameter of the connecting pipe 11, and the lock mechanism 20 provided on the operating pin 14 has the operating pin 14
An arc-shaped step portion 62 that fits the inner diameter of the connecting pipe 11 is provided on the upper surface side of the.
【００４０】第４の実施例は上記のような構成であり、
上位足場枠の縦パイプを接続したり離脱するのは、第１
の実施例と同様操作用ピン１４の押込みによって行なう
ものであり、操作用ピン１４を押込んで段部６２を接続
用パイプ１１内に係止すれば図１５に一点鎖線で示すよ
うに、係止用ピン１５の没入状態が保持される。The fourth embodiment is constructed as described above,
It is the first to connect and disconnect the vertical pipe of the upper scaffolding frame.
The operation pin 14 is pushed in as in the above embodiment, and when the operation pin 14 is pushed in and the step portion 62 is locked in the connecting pipe 11, as shown by the alternate long and short dash line in FIG. The immersion state of the pin 15 is maintained.
【００４１】図１７と図１８に示す第５の実施例は、第
４の実施例におけるばね１８、１９に、テーパ状のコイ
ルばねに代えて板ばねを用いたものであり、この板ばね
は同図実線で示すように平面Ｃ字状に形成したもののほ
か、図１７に一点鎖線で示すように、Ｕ字状に折り曲げ
形成したものを用いてもよい。In the fifth embodiment shown in FIGS. 17 and 18, leaf springs are used instead of the tapered coil springs as the springs 18 and 19 in the fourth embodiment. In addition to the C-shaped one formed by the solid line in the figure, a U-shaped one formed by the chain line in FIG. 17 may be used.
【００４２】[0042]
【００４３】なお、何れの実施例においても、接続用パ
イプ１１と上位足場枠２５の接続状態で、耐引張強度を
向上させるため、係止用ピン１５が貫通孔１７の上縁に
当接するとき、操作用ピン１４と貫通孔１６の上縁とに
余裕があり、引張荷重を接続用パイプ１１と係止用ピン
１５の係合部分で支持するようになっている。In any of the embodiments, when the connecting pin 11 is in contact with the upper edge of the through hole 17 in order to improve the tensile strength in the connected state of the connecting pipe 11 and the upper scaffolding frame 25. There is a margin between the operation pin 14 and the upper edge of the through hole 16, and the tensile load is supported by the engaging portion of the connecting pipe 11 and the locking pin 15.
【００４４】[0044]
【効果】以上のように、この考案によると、操作用ピン
の押込みによる係止用ピンの没入状態を保持するように
したので、接続用パイプに対するパイプの抜差作業時に
係止用ピンを没入させておくことができ、従って抜差作
業が単純化し、従来のように複合した作業を行なう必要
がないので高所などでの足場枠の組立てや解体作業が安
全に能率よく行なえる。[Effect] As described above, according to the present invention, since the locking pin is kept in the retracted state by pushing the operation pin, the locking pin is retracted when the pipe is removed from the connecting pipe. Therefore, the slipping work is simplified and there is no need to perform the combined work as in the conventional case, so that the scaffolding frame can be assembled and disassembled at high places safely and efficiently.
【図１】この考案に係るパイプジョイントの第１の実施
例を示す接続状態の縦断面図FIG. 1 is a longitudinal sectional view of a pipe joint according to a first embodiment of the present invention in a connected state.
【図２】図１の矢印Ａ−Ａの拡大断面図FIG. 2 is an enlarged cross-sectional view of arrow AA in FIG.
【図３】同上要部の斜視図FIG. 3 is a perspective view of a main part of the same.
【図４】接続を解いた状態を示す縦断面図FIG. 4 is a vertical sectional view showing a state where the connection is released.
【図５】同第２の実施例を示す接続状態の縦断面図FIG. 5 is a vertical cross-sectional view showing the second embodiment in a connected state.
【図６】同上要部の分解斜視図FIG. 6 is an exploded perspective view of the main part of the same.
【図７】操作用ピンの他の実施例を示す斜視図FIG. 7 is a perspective view showing another embodiment of the operating pin.
【図８】操作用ピンの更に他の例を示す斜視図FIG. 8 is a perspective view showing still another example of the operation pin.
【図９】同上の接続を解いた状態を示す縦断面図FIG. 9 is a vertical cross-sectional view showing a state in which the above connection is released.
【図１０】同第３の実施例を示す縦断面図FIG. 10 is a vertical sectional view showing the third embodiment.
【図１１】図１０の矢印Ｂ−Ｂに沿う拡大断面図11 is an enlarged sectional view taken along the arrow BB in FIG.
【図１２】同上要部の分解斜視図FIG. 12 is an exploded perspective view of essential parts of the same.
【図１３】同上の接続を解いた状態を示す縦断面図FIG. 13 is a vertical sectional view showing a state in which the above connection is released.
【図１４】図１３の矢印Ｃ−Ｃに沿う拡大断面図14 is an enlarged cross-sectional view taken along the arrow C-C in FIG.
【図１５】同第４の実施例を示す縦断面図FIG. 15 is a longitudinal sectional view showing the fourth embodiment.
【図１６】同上の横断面図FIG. 16 is a transverse sectional view of the above.
【図１７】同第５の実施例を示す縦断面図FIG. 17 is a vertical sectional view showing the fifth embodiment.
【図１８】同上の横断面図FIG. 18 is a transverse sectional view of the above.
【図１９】従来のジョイントを示す縦断面図FIG. 19 is a longitudinal sectional view showing a conventional joint.
１１ 接続用パイプ １２ フランジ １３ 帯状プレート １４ 操作用ピン １５ 係止用ピン １６ 貫通孔 １７ 貫通孔 １８ ばね １９ ばね ２０ ロック機構 ２１ 凹溝 ３４ 貫通孔 ４１ ロックリング 11 Connection Pipe 12 Flange 13 Strip Plate 14 Operation Pin 15 Locking Pin 16 Through Hole 17 Through Hole 18 Spring 19 Spring 20 Lock Mechanism 21 Recessed Groove 34 Through Hole 41 Lock Ring
Claims (2)
作用部材と係止用ピンを同一方向に設け、接続用パイプ
に操作用部材の貫通孔と係止用ピンの貫通孔を各々設
け、前記接続部材の背面側に、この接続部材を介して操
作用部材及び係止用ピンに各々の貫通孔から接続用パイ
プの外面に突出する弾性を付勢するばねを設け、前記操
作用部材に、この操作用部材を押込んだとき貫通孔の周
囲で接続用パイプの内面に係合し、係止用ピンの没入状
態を保持するロック機構を設けたパイプジョイント。1. A connecting member inserted into a connecting pipe is provided with an operating member and a locking pin in the same direction, and a connecting pipe is provided with a through hole of the operating member and a through hole of the locking pin. the on the back side of the connecting member, only setting a spring for urging the elastic protruding operating member and the locking pin through the connecting member from each of the through-hole to the outer surface of the connecting pipe, said Misao
When this operating member is pushed into the action member, the circumference of the through hole
Encloses the inner surface of the connecting pipe with the
A pipe joint with a lock mechanism that holds the condition .
作用部材と係止用ピンを同一方向に設け、接続用パイプ
に操作用部材の貫通孔と係止用ピンの貫通孔を各々設
け、前記接続部材の背面側にこの接続部材を介して操作
用部材及び係止用ピンに各々の貫通孔から接続用パイプ
の外側に突出する弾性を付勢するばねを設け、前記接続
用パイプの操作用部材が突出する外周面に回動によって
操作用部材を押込み状態にして係止用ピンをその貫通孔
から没入させた状態を保持するロックリングを設けたパ
イプジョイント。2. A connecting member inserted into a connecting pipe is provided with an operating member and a locking pin in the same direction, and a connecting pipe is provided with a through hole of the operating member and a through hole of the locking pin. , A spring for biasing elasticity protruding from each through hole to the outside of the connecting pipe is provided on the operation member and the locking pin through the connecting member on the back side of the connecting member, A pipe joint provided with a lock ring for holding a state in which a locking pin is retracted from its through hole by turning the operation member into a pushed state on an outer peripheral surface from which the operation member projects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991022690U JPH0748877Y2 (en) | 1991-02-27 | 1991-04-08 | Pipe joint |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3-9776 | 1991-02-27 | ||
| JP977691 | 1991-02-27 | ||
| JP1991022690U JPH0748877Y2 (en) | 1991-02-27 | 1991-04-08 | Pipe joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04125335U JPH04125335U (en) | 1992-11-16 |
| JPH0748877Y2 true JPH0748877Y2 (en) | 1995-11-08 |
Family
ID=31948225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991022690U Expired - Lifetime JPH0748877Y2 (en) | 1991-02-27 | 1991-04-08 | Pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0748877Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9413377U1 (en) * | 1994-08-23 | 1994-10-27 | Fanatic Sports GmbH, 56235 Ransbach-Baumbach | Adjustable boom for surfboards |
| JP5878898B2 (en) * | 2013-08-08 | 2016-03-08 | 信和株式会社 | Scaffolding coupling device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5213134Y2 (en) * | 1972-11-18 | 1977-03-24 |
-
1991
- 1991-04-08 JP JP1991022690U patent/JPH0748877Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04125335U (en) | 1992-11-16 |
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