JP2548893B2 - Connecting pin for scaffolding frame - Google Patents
Connecting pin for scaffolding frameInfo
- Publication number
- JP2548893B2 JP2548893B2 JP5301511A JP30151193A JP2548893B2 JP 2548893 B2 JP2548893 B2 JP 2548893B2 JP 5301511 A JP5301511 A JP 5301511A JP 30151193 A JP30151193 A JP 30151193A JP 2548893 B2 JP2548893 B2 JP 2548893B2
- Authority
- JP
- Japan
- Prior art keywords
- engaging
- pin
- projection
- pin body
- engagement
- 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
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は、順次上方に連結してい
くのに適した仮設用足場建枠の連結ピンに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting pin for a scaffolding construction frame for temporary construction, which is suitable for sequentially connecting upwards.
【0002】[0002]
【従来の技術】建物の建築現場において、足場建枠を順
次上方に組み立てていくには、当然に上下に対抗する足
場建枠を互いに連結するための連結手段を必要とする。2. Description of the Related Art In a construction site of a building, in order to sequentially assemble the scaffold building frames upward, it is naturally necessary to provide a connecting means for connecting the scaffold building frames facing each other vertically.
【0003】従来では、この連結手段として下方側の足
場建枠左右上端部に連結ピンを突設し、これに上方側の
足場建枠の左右下端部を差し込み、しかる後、両者間に
わたって略弓状の抜け止め用ロックアームをその側面よ
り係止して両者を互いに連結するタイプのものや、例え
ば実開平1ー131753号公報に示すように上下の足
場建枠間に連結ピンを遊嵌し、連結ピンを所要角度回転
させることによって足場建枠と連結ピンとに設けた凹凸
部を互いに係合させて上下の足場建枠を連結ピンの回転
操作によって互いに連結するタイプのものが提案されて
いる。Conventionally, as this connecting means, connecting pins are provided at the upper and lower ends of the scaffolding building frame on the lower side, and the left and right lower end parts of the upper side scaffolding frame are inserted into the connecting pins. Of a type in which a locking arm for preventing slipping is locked from the side surface to connect the both, or, for example, a connecting pin is loosely fitted between upper and lower scaffolding building frames as shown in Japanese Utility Model Laid-Open No. 1-131753. , A type has been proposed in which the scaffolding building frame and the connecting and recessing portions provided on the connecting pin are engaged with each other by rotating the connecting pin by a required angle, and the upper and lower scaffolding building frames are connected to each other by rotating the connecting pin. .
【0004】[0004]
【発明が解決しようとする課題】上記従来技術にあって
は、何れも下方側の足場建枠の連結ピンに上方側の足場
建枠を差し込む作業とは別個に、これらの上下の足場建
枠を保持しながら両者間の左右にロックアームを係止す
る作業や、両者間の左右の連結ピンを回転操作する作業
が必要であり、連結作業を行うために少なくとも二人の
作業者を必要としたり、連結作業が面倒で能率的でない
という問題があった。In each of the above-mentioned prior arts, in addition to the work of inserting the upper scaffolding frame into the connecting pins of the lower scaffolding frame, these upper and lower scaffolding frames are separately provided. It is necessary to lock the lock arm to the left and right between the two while holding, and to rotate the left and right connecting pins between them, and at least two workers are required to perform the connecting work. However, there is a problem that the connecting work is troublesome and inefficient.
【0005】本発明は、これらの難点を払拭することを
解決課題とする。The present invention has an object to solve these problems.
【0006】[0006]
【課題を解決するための手段】本発明は上記の難点を解
決するために、実施例に示す参照符号を付して示せば、
請求項1にあっては、管状等の中空状のピン本体1に、
その側面より突出すると共にその側面からピン本体1の
内部に退入自在な横断面形状略円形の係合突起2と、係
合突起2をピン本体1の側面より突出付勢するばね3と
を内蔵し、係合突起2には、係合突起2をばね3の付勢
力に抗してピン本体1の内部に退入力を負荷するための
滑り面4と、該滑り面4の途上に形成されて係合突起2
をピン本体1の内部方向の退入位置に係合するための係
合段部8と、係合突起2がピン本体1の側面より突出す
る時には足場建枠に係合すると共に係合突起2をばね3
の付勢力に抗して押圧操作することによって足場建枠に
対する係合を解除する係合面5と、該係合面5の先端部
に連続して、該突起2をばね3の付勢力に抗してピン本
体1の内部に退入力を負荷するための副滑り面9とを設
けてなる構成を採用するものである。In order to solve the above-mentioned problems, the present invention is provided with the reference numerals shown in the embodiments,
According to claim 1, the hollow pin body 1 such as a tubular body is provided with
An engaging protrusion 2 having a substantially circular cross-sectional shape that protrudes from the side face and is capable of retracting into the pin body 1 from the side face, and a spring 3 that biases the engaging protrusion 2 to protrude from the side face of the pin body 1. The engaging projection 2 is built in, and the engaging projection 2 is formed on the sliding surface 4 for loading the retraction force inside the pin body 1 against the biasing force of the spring 3. Engagement protrusion 2
Engaging step portion 8 for engaging the retracted position in the inner direction of the pin body 1, and when the engaging protrusion 2 projects from the side surface of the pin body 1, engages with the scaffold building frame and the engaging protrusion 2 Spring 3
The engaging surface 5 that releases the engagement with the scaffolding construction frame by pressing it against the urging force of the spring, and the protrusion 2 is connected to the urging force of the spring 3 continuously with the tip of the engaging surface 5. On the other hand, a configuration is adopted in which the sub-sliding surface 9 for loading the retraction force is provided inside the pin body 1.
【0007】また請求項2にあっては、係合突起2に
は、ピン本体1に常時係合して係合突起2の軸方向に直
交する横方向への変位を阻止する横断面形状略円形のガ
イド突起6を一体形成してなる請求項1記載の構成を採
用するものである。According to the second aspect of the present invention, the engaging projection 2 has a substantially horizontal cross-sectional shape which is constantly engaged with the pin body 1 and prevents the engaging projection 2 from being displaced in a lateral direction orthogonal to the axial direction. The configuration according to claim 1 is adopted in which the circular guide protrusion 6 is integrally formed.
【0008】また請求項3にあっては、ピン本体1の内
壁に沿って軸方向に延びる連杆部7の一端又はその近傍
に係合突起2を、他端又はその近傍にガイド突起6をそ
れぞれ一体成形し、ばね3の当接部7aを連杆部7にお
ける係合突起2から適当距離の位置に設けてなる請求項
2記載の構成を採用するものである。According to the third aspect of the present invention, the engaging projection 2 is provided at one end of the connecting rod portion 7 extending axially along the inner wall of the pin body 1 or in the vicinity thereof, and the guide projection 6 is provided at the other end thereof or in the vicinity thereof. The contacting portion 7a of the spring 3 is integrally molded, and the contacting portion 7a of the spring 3 is provided at a position at an appropriate distance from the engaging projection 2 of the connecting rod portion 7.
【0009】また請求項4にあっては、係合突起2の滑
り面4の後端部に連続して、係合突起2の突出時にピン
本体1に係止して係合突起2の軸方向の負荷を受け止め
る係止面部19を設けてなる請求項1〜3のいずれか記
載の構成を採用するものである。Further, according to a fourth aspect of the present invention, the shaft of the engaging projection 2 is continuous with the rear end of the sliding surface 4 of the engaging projection 2 and is locked to the pin body 1 when the engaging projection 2 projects. The structure according to any one of claims 1 to 3 is adopted, in which a locking surface portion 19 for receiving a directional load is provided.
【0010】[0010]
【作用】本発明の請求項1によれば、下方側足場建枠b
の竪パイプ10にその下端側を連結したピン本体1に、
上方側足場建枠aの竪パイプ10の下端部を差し込むこ
とによって、その差し込み途上で、係合突起3の滑り面
4に竪パイプ10の下端部が当接してその当接力にて滑
り面4に係合突起2をばね3の付勢力に抗してピン本体
1の内部に退入させる力が負荷され、係合突起2はピン
本体1の内部に退入することになるから、竪パイプ10
の下端部が下方側のピン本体1に挿入されるのを許し、
しかして上方側竪パイプ10の下端部側面の係合孔11
に下方側竪パイプ10の係合突起2が面する位置まで挿
入されると、係合突起2は上方側竪パイプ10の退入付
勢力から開放されるため、係合突起2はばね3に付勢さ
れて突出して係合孔11に係合し、係合突起2の係合面
5に係合孔11の内縁が係合して上下の足場建枠a,b
は互いに連結されることになる。即ち、上方側竪パイプ
10の下端部を下方側竪パイプ10のピン本体1に差し
込むだけで、両者は自動的に連結されることになる。According to claim 1 of the present invention, the lower scaffold building frame b
To the pin body 1 whose lower end side is connected to the vertical pipe 10 of
By inserting the lower end portion of the vertical pipe 10 of the upper side scaffolding frame a, the lower end portion of the vertical pipe 10 comes into contact with the sliding surface 4 of the engaging projection 3 during the insertion, and the sliding surface 4 is caused by the abutting force. A force for retracting the engaging projection 2 into the pin body 1 against the urging force of the spring 3 is applied to the engaging projection 2 and the engaging projection 2 retracts into the pin body 1. 10
Allow the lower end of the to be inserted into the lower pin body 1,
Then, the engaging hole 11 on the side surface of the lower end portion of the upper vertical pipe 10
When the engagement protrusion 2 of the lower vertical pipe 10 is inserted into the position where the engagement protrusion 2 of the lower vertical pipe 10 faces, the engagement protrusion 2 is released from the retracting urging force of the upper vertical pipe 10, so that the engagement protrusion 2 moves to the spring 3. It is urged and protrudes to engage with the engagement hole 11, and the inner surface of the engagement hole 11 engages with the engagement surface 5 of the engagement projection 2 so that the upper and lower scaffolding frames a and b are engaged.
Will be connected to each other. That is, simply inserting the lower end of the upper vertical pipe 10 into the pin body 1 of the lower vertical pipe 10 will automatically connect the two.
【0011】また請求項1によれば、係合突起2の滑り
面4の途上に、係合突起2をピン本体1の内部方向の退
入位置に係合するための係合段部8を形成してなるた
め、係合突起2を直接にピン本体1の内部方向に押圧操
作するだけで、係合突起2をピン本体1の内部に退入し
た状態に維持することができ、上方側の足場建枠を下方
側の足場建枠から簡単に分解することができる。Further, according to claim 1, an engaging step portion 8 for engaging the engaging projection 2 with the retracted position in the inner direction of the pin body 1 is provided in the middle of the sliding surface 4 of the engaging projection 2. Since it is formed, the engaging projection 2 can be maintained in a state of being retracted into the pin body 1 only by directly pressing the engaging projection 2 inward of the pin body 1, and the upper side The scaffolding frame can be easily disassembled from the lower scaffolding frame.
【0012】なお、係合突起2の係合段部8がピン本体
1の内周面23に係合して係合突起2が退入位置にある
状態で、再度、足場建枠aをピン本体1に差し込むこと
によって、その差し込み途上で足場建枠aの下端部が係
合突起2の若干突出している先端部を下方に押圧し、こ
れがために係合突起2の係合段部8はピン本体1の内周
面22から外れてその退入位置の状態から解除されるた
め、係合突起2はピン本体1の側面から突出し、足場建
枠aの差し込み途上において係合突起2は足場建枠aの
係合孔11に自動的に係合することになる。It should be noted that, with the engagement step portion 8 of the engagement protrusion 2 engaged with the inner peripheral surface 23 of the pin body 1 and the engagement protrusion 2 in the retracted position, the scaffolding frame a is pinned again. By inserting into the main body 1, the lower end of the scaffolding building frame a pushes the slightly protruding tip of the engaging projection 2 downward during insertion, which causes the engaging step 8 of the engaging projection 2 to move. Since it disengages from the inner peripheral surface 22 of the pin body 1 and is released from the retracted position, the engaging projection 2 projects from the side surface of the pin body 1, and the engaging projection 2 scaffolds while the scaffolding frame a is being inserted. The engagement hole 11 of the building frame a is automatically engaged.
【0013】また請求項1によれば、係合突起2の係合
面5に連続して、係合突起2をばね3の付勢力に抗して
ピン本体1の内部に退入力を負荷するための副滑り面9
を設けてなるため、係合突起2が係合段部8の作用によ
ってピン本体1の内部に退入した状態において、係合突
起2の先端部がピン本体1の側面から若干量突出してい
ても、竪パイプ10のピン本体1からの引き抜き時に該
副滑り面9の作用によって係合突起2をばね3の付勢力
に抗してピン本体1の内部に退入させるようになってい
るため、竪パイプ10をピン本体1から支障なく引き抜
くことができる。According to the first aspect of the present invention, the retracting force is applied to the inside of the pin body 1 continuously from the engaging surface 5 of the engaging protrusion 2 against the biasing force of the spring 3. Secondary sliding surface 9
Since the engagement projection 2 is retracted into the pin body 1 by the action of the engagement step portion 8, the tip of the engagement projection 2 slightly protrudes from the side surface of the pin body 1. Also, when the vertical pipe 10 is pulled out from the pin body 1, the engaging projection 2 is retracted into the pin body 1 against the biasing force of the spring 3 by the action of the sub-sliding surface 9. The vertical pipe 10 can be pulled out from the pin body 1 without any trouble.
【0014】また請求項2によれば、係合突起2はガイ
ド突起6によって横方向への変位を阻止するようにピン
本体1に支持されているため、竪パイプ10の負荷を受
けても、ピン本体1の側面からの突出作動やピン本体1
内部への退入作動を正確に行うことができると共に、係
合突起2の竪パイプ10に対する係合状態を良好に維持
することができる。According to the second aspect of the present invention, the engaging projection 2 is supported by the pin main body 1 by the guide projection 6 so as to prevent the lateral displacement thereof. Therefore, even if the vertical pipe 10 receives a load, The protrusion operation from the side surface of the pin body 1 and the pin body 1
The operation of retreating into the interior can be performed accurately, and the engagement state of the engagement protrusion 2 with the vertical pipe 10 can be maintained well.
【0015】また請求項3によれば、係合突起2とガイ
ド突起6が連杆部7にて一体に形成され、その連杆部7
における係合突起2から適当距離下方位置にばねの当接
部7aを設けてこの部分を板ばね3にて付勢するように
しているので、係合突起2に退入させるような負荷が作
用したときに、ガイド突起6は退入せずに係合突起2側
だけが退入し、係合部材12の全体が没入してしまうの
を防止でき、抜け止め作用が安定し、高い信頼性を確保
できる。According to the third aspect, the engaging projection 2 and the guide projection 6 are integrally formed by the connecting rod portion 7, and the connecting rod portion 7 is formed.
Since the contact portion 7a of the spring is provided at a position lower than the engaging projection 2 by a proper amount and the leaf spring 3 biases this portion, a load for retracting the engaging projection 2 acts. At this time, the guide protrusion 6 does not retract but only the engaging protrusion 2 side retracts, and the entire engaging member 12 can be prevented from retracting, and the retaining action is stable and highly reliable. Can be secured.
【0016】また請求項4によれば、係合突起2の滑り
面4の後端部に連続して、係合突起2の突出時にピン本
体1に係止して係合突起2の軸方向の負荷を受け止める
係止面部19を設けてなるため、係合突起2がばね3に
付勢されて突出することによって係合突起2が直接的に
ピン本体1に係止し、その軸方向の負荷、従って足場建
枠aの引き抜き方向の荷重を受け止めることになるか
ら、その係止作用を確実に行うことになる。According to a fourth aspect of the present invention, the engaging projection 2 is continuously connected to the rear end portion of the sliding surface 4 and is locked to the pin body 1 when the engaging projection 2 is projected, so that the engaging projection 2 extends in the axial direction. Since the engaging surface portion 19 for receiving the load is provided, the engaging projection 2 is biased by the spring 3 and protrudes, so that the engaging projection 2 is directly engaged with the pin main body 1 and its axial direction. Since the load, that is, the load in the pulling-out direction of the scaffolding building frame a is received, the locking action is surely performed.
【0017】[0017]
【実施例】図1は、上方側の足場建枠aと下方側足場建
枠bとの連結前の状態を示し、足場建枠は、左右の竪パ
イプ10,10と両パイプ10,10をつなぐ横パイプ
13と縦横パイプ10,13間にわたって取り付けられ
る補強桟14,14とからなり、横パイプ13に足場板
15がその爪15aを横パイプ13に掛合することによ
って懸架されている。そして竪パイプ10,10の下端
部には足場板15側に面して係合孔11が穿設されてお
り、上下の竪パイプ10,10の間に本発明に係る連結
ピン16が差し込まれるようになっている。EXAMPLE FIG. 1 shows a state before the scaffolding frame a on the upper side and the scaffolding frame b on the lower side are connected to each other. It consists of a horizontal pipe 13 to be connected and reinforcing bars 14, 14 mounted between the vertical and horizontal pipes 10, 13, and a scaffolding plate 15 is suspended on the horizontal pipe 13 by engaging its claws 15a with the horizontal pipe 13. An engaging hole 11 is formed at the lower end of the vertical pipes 10, 10 facing the scaffolding plate 15 side, and the connecting pin 16 according to the present invention is inserted between the upper and lower vertical pipes 10, 10. It is like this.
【0018】なお、連結ピン16のピン本体1の下端部
付近にはその側面より突出する連結用突起17が設けら
れ、下方側竪パイプ10、10の上端部付近には連結用
突起17が係合する連結孔18が穿設されている。A connecting projection 17 is provided near the lower end of the pin body 1 of the connecting pin 16, and a connecting projection 17 is provided near the upper ends of the lower vertical pipes 10 and 10. A mating connecting hole 18 is formed.
【0019】図2は、連結ピン16が上下の足場建枠
a、bの竪パイプ10,10間に差し込まれた状態の外
観を示し、図3は、連結ピン16の内部構造を示す。連
結ピン16は全体が上下に貫通する管状のピン本体1を
有し、そのピン中央部1aが肉厚に形成されてピン上部
1bとピン下部1cとの間に外周段部1d,1eが形成
され、ピン上部1bに差し込まれる上方側足場建枠aの
竪パイプ10とピン下部1cに差し込まれる下方側足場
建枠bの竪パイプ10とはそれぞれの端面が外周段部1
d,1eに当接して位置決めされ、その位置で竪パイプ
10下端部の係合孔11にピン本体1から突出する係合
突起2が係合すると共に、下方側足場建枠bの竪パイプ
10上端部の連結孔18にピン本体1の連結用突起17
が係合するようになっている。FIG. 2 shows the external appearance of the connecting pin 16 inserted between the vertical pipes 10, 10 of the upper and lower scaffold building frames a, b, and FIG. 3 shows the internal structure of the connecting pin 16. The connecting pin 16 has a tubular pin body 1 which entirely penetrates up and down, the pin center portion 1a is formed thick, and outer peripheral step portions 1d and 1e are formed between the pin upper portion 1b and the pin lower portion 1c. The vertical pipe 10 of the upper scaffolding frame a inserted into the pin upper portion 1b and the vertical pipe 10 of the lower scaffolding frame b inserted into the pin lower portion 1c have their respective end surfaces at the outer peripheral step portion 1.
d, 1e are positioned, and the engaging projections 2 projecting from the pin main body 1 engage with the engaging holes 11 at the lower end of the vertical pipe 10 at that position, and the vertical pipe 10 of the lower scaffolding building frame b is engaged. The projection 17 for connecting the pin body 1 is provided in the connecting hole 18 at the upper end.
Are to be engaged.
【0020】係合突起2は、特に図4に良く示されるよ
うに、全体が横断面形状略円形に形成され、その先端部
の上面側に下向きの傾斜面から成る滑り面4を有し、こ
の滑り面4の後端部に連続して水平な係止面部19を有
している。更に係合突起2の下面側には係止面部19と
平行な係合面5を有し、この係合面5の先端部に連続し
て上向きの傾斜面である副滑り面9を有している。ま
た、係合突起2が横断面形状が略円形状であるため、係
合孔11は従来から汎用されかつ容易に加工できる円孔
である。As shown particularly well in FIG. 4, the engaging projection 2 is formed in a generally circular cross-section, and has a sliding surface 4 on the upper surface side of its tip end portion which is a downward inclined surface. The sliding surface 4 has a horizontal engaging surface portion 19 continuous to the rear end portion thereof. Further, an engaging surface 5 parallel to the engaging surface portion 19 is provided on the lower surface side of the engaging projection 2, and a sub-sliding surface 9 which is an inclined surface facing upward is continuously provided at the tip of the engaging surface 5. ing. Further, since the engaging projection 2 has a substantially circular cross-sectional shape, the engaging hole 11 is a circular hole that has been generally used and can be easily processed.
【0021】また係合突起2の基端部から下方に連杆部
7が一体的に延出され、連杆部7の下端部から係合突起
2と同方向に係合突起2より短く突出するガイド突起6
が一体的に設けられ、略コ字状の係合部材12を構成し
ている。この係合部材12は好適には白色可鍛鋳鉄にて
作製されている。連杆部7の背面側の係合突起2から適
当間隔あけた位置にばね取付突部7aが形成され、この
ばね取付突部7aに略弓型の板ばね3の中央部がかしめ
止めまたはスポット溶接によって固着するか、あるいは
その背面側に設けた突起に板ばね3に設けた小孔を係合
するなどして連携されている。この板ばね3の両端部は
ピン本体1内周面に固定することなく弾性的に圧接され
ている。これによって係合部材12における係合突起2
が板ばね3に付勢されてピン本体1のピン上部1bの側
面から突出するとともに、ガイド突起6がピン本体1の
ピン中央部1aのガイド孔20に常時係合するようにな
っている。また、ガイド突起6が横断面形状が略円形状
であるため、ガイド孔20は従来から汎用されかつ容易
に加工できる長円形である。なお、図示例では連杆部7
も含めて係合部材12の全体が横断面形状略円形状に形
成されている。また、ガイド突起6はピン中央部1aの
肉厚内に没入していることが好ましいが、図示の如く若
干量その先端部がピン中央部1aの外側面から突出して
もよい。Further, the connecting rod portion 7 is integrally extended downward from the base end portion of the engaging protrusion 2, and is projected from the lower end portion of the connecting rod portion 7 in the same direction as the engaging protrusion 2 to be shorter than the engaging protrusion 2. Guide protrusion 6
Are integrally provided to form a substantially U-shaped engaging member 12. The engagement member 12 is preferably made of white malleable cast iron. A spring attachment projection 7a is formed at a position appropriately spaced from the engagement projection 2 on the back side of the connecting rod portion 7, and the central portion of the substantially arc-shaped leaf spring 3 is caulked or spotted on the spring attachment projection 7a. It is fixed by welding, or it is linked by engaging a small hole provided in the leaf spring 3 with a protrusion provided on the back side thereof. Both ends of the leaf spring 3 are elastically pressed against the inner peripheral surface of the pin body 1 without being fixed. As a result, the engaging protrusion 2 on the engaging member 12
Is urged by the leaf spring 3 to project from the side surface of the pin upper portion 1b of the pin body 1, and the guide protrusion 6 is always engaged with the guide hole 20 of the pin central portion 1a of the pin body 1. Further, since the guide projection 6 has a substantially circular cross-sectional shape, the guide hole 20 is an elliptical shape which has been conventionally used and can be easily processed. In the illustrated example, the connecting rod 7
The entire engaging member 12 including the above is formed into a substantially circular cross section. Further, the guide protrusion 6 is preferably recessed within the thickness of the pin central portion 1a, but as shown in the drawing, the tip end thereof may slightly project from the outer surface of the pin central portion 1a.
【0022】なおまた係合突起2の滑り面4の中間部に
は、後述のように重要な作用を有する係合段部8が設け
られている。An engaging step portion 8 having an important function is provided at an intermediate portion of the sliding surface 4 of the engaging protrusion 2 as described later.
【0023】またピン本体1のピン下部1c側の連結用
突起17は左右に一対設けられ、両連結用突起17は略
U字状の板ばね21によってその両端部が上述のように
固着または係合によって互いに連携され、両連結用突起
17は板ばね21によってピン下部1cの側面から突出
付勢されている。Further, a pair of connecting protrusions 17 on the lower side of the pin 1c of the pin body 1 are provided on the left and right, and both connecting protrusions 17 are fixed or engaged at both ends by a substantially U-shaped leaf spring 21 as described above. And the connection projections 17 are biased by the leaf spring 21 so as to project from the side surface of the pin lower portion 1c.
【0024】使用時には、先ずピン本体1のピン下部1
cを、その側面より突出する連結用突起17を板ばね2
1の付勢力に抗してピン本体1の内部に退入せしめた状
態で下方側足場建枠bの竪パイプ10の上端部に差し込
み、連結用突起17を竪パイプ10の連結孔18に係合
させる。これによってピン本体1は竪パイプ10の上端
部に取りつけられ、以後は不使用時でも取り外す必要は
ない。In use, first, the pin lower portion 1 of the pin body 1
c is a leaf spring 2 having a connecting protrusion 17 protruding from its side surface.
1 is inserted into the upper end of the vertical pipe 10 of the lower scaffolding building frame b in a state of being retracted into the pin body 1 against the urging force of 1, and the connecting projection 17 is engaged with the connecting hole 18 of the vertical pipe 10. To combine. As a result, the pin body 1 is attached to the upper end portion of the vertical pipe 10, and thereafter it is not necessary to remove it even when it is not used.
【0025】次に図5に示すように、上方側足場建枠a
の竪パイプ10を下方側足場建枠bに取りつけてあるピ
ン本体1のピン上部1bに差し込むことによって、その
差し込み途上で係合突起2の先端部傾斜面たる滑り面4
に上記竪パイプ10の下端部が当接し、これによって係
合突起2は板ばね3の付勢力に抗してピン本体1の内部
に退入させるような負荷を受け、この退入付勢力によっ
て係合突起2はピン本体1の内部に退入して竪パイプ1
0の下端部がピン本体1のピン上部1bに段部1dに当
接するまで挿入されるのを許す。その際、係合突起2か
ら適当距離下方位置に突設されたばね取付突部7aが板
ばね3にて付勢されているので、係合突起2に退入させ
るような負荷が作用したときに、図6に仮想線で示すよ
うに、ガイド突起6は退入せずに係合突起2側だけが退
入し、係合部材12の全体が没入してしまうのを防止で
きる。しかして、竪パイプ10の下端部が段部1dに当
接することによって、図6に実線で示すように、竪パイ
プ10側面の係合孔11にピン本体1の係合突起2が面
することになり、係合突起2は竪パイプ10による退入
付勢力から開放されるため、係合突起2は板ばね3に付
勢されて突出し、係合孔11に係合し、その係合面5が
係合孔11の内縁に当接する。かくして、竪パイプ10
の下端部がピン本体1から抜き出し不能となり、上下の
足場建枠a,bは互いに連結されることになる。即ち、
上方側足場建枠aの竪パイプ10下端部を下方側足場建
枠bのピン本体1に差し込むだけで、両者は自動的に連
結されることになる。Next, as shown in FIG. 5, the upper side scaffolding frame a
The vertical pipe 10 is inserted into the pin upper portion 1b of the pin body 1 attached to the lower scaffolding building frame b, so that the sliding surface 4 that is the tip end inclined surface of the engaging projection 2 is inserted in the middle of the insertion.
The lower end of the vertical pipe 10 comes into contact with the engaging portion 2 and the engaging projection 2 receives a load that causes it to retract into the pin body 1 against the biasing force of the leaf spring 3, and this retracting biasing force causes the engaging protrusion 2 to retract. The engaging protrusion 2 is retracted into the pin body 1 to move the vertical pipe 1
The lower end portion of 0 is allowed to be inserted into the pin upper portion 1b of the pin body 1 until it abuts the step portion 1d. At this time, since the spring mounting projection 7a projecting from the engagement projection 2 at an appropriate distance below is biased by the leaf spring 3, when a load for retracting the engagement projection 2 acts. As shown by phantom lines in FIG. 6, it is possible to prevent the guide protrusion 6 from retracting and only the engaging protrusion 2 side retracting, so that the entire engaging member 12 is retracted. Then, as the lower end of the vertical pipe 10 abuts on the step portion 1d, the engaging projection 2 of the pin body 1 faces the engaging hole 11 on the side surface of the vertical pipe 10 as shown by the solid line in FIG. Since the engaging projection 2 is released from the retracting urging force of the vertical pipe 10, the engaging projection 2 is urged by the leaf spring 3 to project, engage with the engaging hole 11, and engage the engaging surface. 5 contacts the inner edge of the engagement hole 11. Thus, vertical pipe 10
The lower end of the scaffold cannot be pulled out from the pin body 1, and the upper and lower scaffold building frames a and b are connected to each other. That is,
By simply inserting the lower end of the vertical pipe 10 of the upper scaffolding building frame a into the pin body 1 of the lower scaffolding building frame b, the two are automatically connected.
【0026】本発明の実施例によれば、風力や振動その
他の外力を受けて上方側足場建枠aの竪パイプ10がピ
ン本体1から抜け出ようとする力が係合面5に負荷する
と、これを阻止する抜け止め力は、ばね3によって直接
的に突出付勢されている係合突起2の係合面5が担って
いるので、確実に竪パイプ10をピン本体1に係止する
ことができる。According to the embodiment of the present invention, when the vertical pipe 10 of the upper scaffolding building frame a tends to come out of the pin body 1 due to an external force such as wind force, vibration, etc., the engaging surface 5 is loaded with the force. Since the engaging surface 5 of the engaging projection 2 which is directly biased by the spring 3 is responsible for the retaining force for preventing this, the vertical pipe 10 can be reliably locked to the pin body 1. You can
【0027】また本発明の実施例によれば、係合突起2
は、これと一体のガイド突起6がピン本体1に常時係合
して係合突起2の横方向の変位を阻止されるようになっ
ているため、その係合面5での係合作用を確実に維持す
ることができる。Further, according to the embodiment of the present invention, the engaging projection 2
Since the guide protrusion 6 integrated with the pin is always engaged with the pin body 1 to prevent the lateral displacement of the engaging protrusion 2, the engaging action on the engaging surface 5 is prevented. It can be maintained reliably.
【0028】また本発明の実施例によれば、係合突起2
とガイド突起6が連杆部7にて一体に形成され、その連
杆部7における係合突起2から適当距離下方位置にばね
取付突部7aを設けてこの部分を板ばね3にて付勢する
ようにしているので、係合突起2に退入させるような負
荷が作用したときに、ガイド突起6は退入せずに係合突
起2側だけが退入し、係合部材12の全体が没入してし
まうのを防止でき、抜け止め作用が安定し、高い信頼性
を確保できる。Further, according to the embodiment of the present invention, the engaging projection 2
The guide rod 6 and the guide protrusion 6 are integrally formed by the connecting rod portion 7. The spring attaching protrusion 7a is provided at a position below the engaging protrusion 2 of the connecting rod portion 7 by an appropriate distance, and the leaf spring 3 urges this portion. Therefore, when a load that causes the engaging protrusion 2 to retract is applied, the guide protrusion 6 does not retract, but only the engaging protrusion 2 side retracts, and the entire engaging member 12 is retracted. It is possible to prevent the water from getting into the sink, the retaining action is stable, and high reliability can be secured.
【0029】また本発明の実施例によれば、上方側足場
建枠aを下方側足場建枠bから取り外す場合に、その取
り外す作業が非常に簡単に行える。即ち、図7に示すよ
うに滑り面4には前述のように係合段部8が形成されて
おり、係合突起2を例えば作業者の足先によって板ばね
3の付勢力に抗して矢印のように若干上方側に且つ退入
方向に押圧すれば、係合突起2は、ガイド突起6のピン
本体1に対する当接点22を支点としてピン本体1の内
部に退入すると共に、その退入途上で係合段部8がピン
本体1の内周面23に係合する。この状態で係合孔11
の下縁と係合面5との係合が開放されることになる。そ
の後、係合突起2に対する押圧力を開放しても係合突起
2は係合段部8の係合作用によってその退入位置に維持
されることになる。なお、係合突起2の係合段部8をピ
ン本体1の内周面23に係合させて係合突起2を退入位
置に維持させる場合であってもその先端部、即ち係合突
起2の滑り面4の先端部はピン本体1の側面より突出す
るようにしてある。Further, according to the embodiment of the present invention, when the upper side scaffolding building frame a is detached from the lower side scaffolding building frame b, the detaching work can be performed very easily. That is, as shown in FIG. 7, the sliding surface 4 is formed with the engaging stepped portion 8 as described above, and the engaging projection 2 is resisted against the biasing force of the leaf spring 3 by the tip of the operator, for example. When pressed slightly upward as shown by the arrow and in the retreating direction, the engaging projection 2 retreats into the pin body 1 with the contact point 22 of the guide projection 6 on the pin body 1 as a fulcrum, and the retreat thereof. The engaging step portion 8 engages with the inner peripheral surface 23 of the pin body 1 on the way in. In this state, the engaging hole 11
The engagement between the lower edge and the engagement surface 5 is released. After that, even if the pressing force on the engagement protrusion 2 is released, the engagement protrusion 2 is maintained at the retracted position by the engagement action of the engagement step portion 8. Even when the engagement step portion 8 of the engagement protrusion 2 is engaged with the inner peripheral surface 23 of the pin body 1 to maintain the engagement protrusion 2 in the retracted position, the tip portion thereof, that is, the engagement protrusion. The tip end of the sliding surface 4 of 2 is projected from the side surface of the pin body 1.
【0030】この状態から上方側竪パイプ10をピン本
体1から抜き出せば、係合面5に連続して上向きの傾斜
面である副滑り面9を設けてなるため、副滑り面9と係
合孔11の下縁の係合により板ばね3の付勢力に抗して
係合突起2が退入するように負荷を受け、係合突起2が
ピン本体1内に退入することにより係合孔11が係合突
起2の係合から開放され、竪パイプ10の下端部をピン
本体1のピン上部1bからそのまま抜き出すことができ
る。When the upper vertical pipe 10 is pulled out from the pin body 1 from this state, the sub-sliding surface 9 which is an upwardly inclined surface is provided continuously with the engaging surface 5, so that the sub-sliding surface 9 is engaged. The engagement of the lower edge of the hole 11 receives a load so that the engaging projection 2 retracts against the biasing force of the leaf spring 3, and the engaging projection 2 retracts into the pin body 1 to engage. The hole 11 is released from the engagement of the engagement protrusion 2, and the lower end portion of the vertical pipe 10 can be directly extracted from the pin upper portion 1b of the pin body 1.
【0031】そして再び下方側の足場建枠bに取り付け
たピン本体1に上方側の足場建枠aを連結する際には、
ピン本体1の係合突起2は前述のようにピン本体1内部
への退入位置に維持されているから、単に上方側竪パイ
プ10をピン本体1のピン上部1bに差し込むだけでよ
いことは前述のとおりである。When the upper scaffolding frame a is connected to the pin body 1 attached to the lower scaffolding frame b again,
Since the engaging projection 2 of the pin body 1 is maintained at the retracted position into the pin body 1 as described above, it is sufficient to simply insert the upper vertical pipe 10 into the pin upper portion 1b of the pin body 1. As described above.
【0032】しかもその差し込み途上で足場建枠aの下
端部が係合突起2のピン本体1から若干突出している先
端部を下方に押圧し、これがために係合突起2の係合段
部8はピン本体1の内周面23から外れてその退入位置
の状態から解除されるため、係合突起2はピン本体1の
側面から突出し、足場建枠aの差し込み途上において係
合突起2は足場建枠aの係合孔11に自動的に係合する
ことになる。In addition, the lower end of the scaffolding building frame a pushes the tip of the engaging projection 2 slightly protruding from the pin main body 1 in the middle of the insertion, which causes the engaging step 8 of the engaging projection 2. Is disengaged from the inner peripheral surface 23 of the pin main body 1 and released from the retracted position, the engaging projection 2 projects from the side surface of the pin main body 1, and the engaging projection 2 is released while the scaffolding frame a is being inserted. It will automatically engage with the engagement hole 11 of the scaffolding frame a.
【0033】従って、係合突起2に対する作業者の操作
は単に足場建枠aを引き抜く際の退入操作のみで、足場
建枠aをピン本体1に差し込む際に係合突起2の係合操
作、即ちこれを突出させる操作はなんら必要がなく、足
場建枠aをピン本体1に差し込むだけで自動的にロック
されることになる。Therefore, the operator's operation on the engaging projection 2 is only the retreat operation when pulling out the scaffolding frame a, and the engaging operation of the engaging projection 2 when inserting the scaffolding frame a into the pin body 1. That is, there is no need to perform any operation for projecting this, and the scaffolding frame a can be automatically locked just by inserting it into the pin body 1.
【0034】このように上下の足場建枠a,bの組立作
業も分解作業も一人の作業者によって簡単に行うことが
できる。Thus, the assembling work and the disassembling work of the upper and lower scaffold building frames a and b can be easily performed by one operator.
【0035】図8は、本発明の他の実施例を示すもの
で、上記実施例にあっては、ピン本体1のピン中央部1
aはピン上下部1b,1cに比べて肉厚に形成され、こ
れに形成される段部1d,1eに上下の竪パイプ10の
端部が当接するようになっているが、必ずしもその必要
がなく、この実施例に示すように中央部1aをピン上下
部1b,1cと同一の厚さとして段部を形成せず、直接
に上下の竪パイプ10の互いの端部qを当接するように
してもよい。即ち、ガイド突起6がガイド孔20に係合
するだけの肉厚がピン本体1にあればよいので、本実施
例ではガイド突起6がピン本体1から突出しないように
してあり、そのため上下の竪パイプ10のそれぞれの端
部が直接に互いに当接してもガイド突起6が障害となる
ことがない。また、上記実施例のようにピン中央部1a
が肉厚に形成されたピン本体1であってもガイド突起
6、従ってガイド孔20は肉厚のピン中央部1aに設け
る必要はなく、ピン本体1のピン上部1bまたはピン下
部1cの位置にガイド孔20を設けてこれにガイド突起
6が係合するようにしてもよい。FIG. 8 shows another embodiment of the present invention. In the above embodiment, the pin central portion 1 of the pin body 1 is shown.
The a is formed to be thicker than the pin upper and lower portions 1b and 1c, and the end portions of the upper and lower vertical pipes 10 are brought into contact with the step portions 1d and 1e formed therein, but this is not always necessary. As shown in this embodiment, the central portion 1a has the same thickness as the upper and lower portions 1b and 1c of the pin, and no step portion is formed. The end portions q of the upper and lower vertical pipes 10 are directly brought into contact with each other. May be. That is, since it suffices for the pin body 1 to have a wall thickness sufficient for the guide protrusion 6 to engage with the guide hole 20, the guide protrusion 6 is prevented from protruding from the pin body 1 in the present embodiment. Even if the respective ends of the pipe 10 come into direct contact with each other, the guide projection 6 does not become an obstacle. Further, as in the above embodiment, the pin central portion 1a
Even if the pin body 1 has a large wall thickness, it is not necessary to provide the guide protrusion 6 and hence the guide hole 20 in the thick pin central portion 1a. The guide hole 6 may be provided and the guide protrusion 6 may be engaged with the guide hole 20.
【0036】図1を参照すれば分かるようにピン本体1
のピン中央部1aの横側に足場板15の爪15aが近接
するため、ガイド突起6がピン本体1の外側面から突出
していると、この爪15aがガイド突起6に当接してこ
れをピン本体1内部へ退入させる恐れもあるが、本発明
では連杆部7の中間部に突設した突部7aに板ばね3の
中央部を結合しているので係合部材12が係合突起2を
中心にして揺動するだけで係合突起2による係合が開放
される虞れはない。As can be seen by referring to FIG. 1, the pin body 1
Since the claw 15a of the scaffolding plate 15 is close to the side of the pin central portion 1a of the pin, if the guide projection 6 projects from the outer surface of the pin body 1, the claw 15a abuts the guide projection 6 and pushes it. Although there is a risk of retracting the inside of the main body 1, in the present invention, since the central portion of the leaf spring 3 is connected to the protrusion 7a protruding in the intermediate portion of the connecting rod portion 7, the engaging member 12 engages with the engaging protrusion. There is no possibility that the engagement by the engagement protrusion 2 will be released only by swinging about 2.
【0037】これまで説明した足場建枠a、bは、冒頭
で述べたように竪パイプ10と横パイプ13からなる略
門形の足場建枠の連結に適用する場合について説明した
が、これに限定されることなく所謂単管からなる足場建
枠の連結にも適用することができることは勿論である。The scaffolding frames a and b described so far have been described as being applied to the connection of the substantially gate-shaped scaffolding frame composed of the vertical pipe 10 and the horizontal pipe 13 as described at the beginning. It is needless to say that the present invention can also be applied to the connection of scaffold building frames made of so-called single pipe without limitation.
【0038】[0038]
【発明の効果】本発明の請求項1によれば、上方側の足
場建枠の下端部を、下方側の足場建枠の連結ピンに差し
込むだけで、上下の足場建枠は自動的に連結されること
になるから、一層連結作業が簡単であり、最小限の作業
者で能率的に足場建枠の組み立てを行うことができる。According to the first aspect of the present invention, the upper and lower scaffold building frames are automatically connected only by inserting the lower end of the upper scaffold building frame into the connecting pin of the lower scaffold building frame. Therefore, the connection work is further simplified, and the scaffolding frame can be assembled efficiently with a minimum number of workers.
【0039】また、上方側の足場建枠の下端部を、下方
側の足場建枠の連結ピンから抜き出す場合には、作業者
がその足先で係合突起を軽く押圧するだけで、両足場建
枠を分解することもできるから分解作業も極めて簡単で
あり、最小限の作業者で能率的に足場建枠の分解を行う
ことができる。Further, when the lower end of the upper scaffolding frame is pulled out from the connecting pin of the lower scaffolding frame, the operator only needs to lightly press the engaging projections on both scaffolds. Since the building frame can also be disassembled, disassembling work is extremely easy, and the scaffolding building frame can be efficiently disassembled with a minimum of workers.
【0040】また、係合突起を直接操作して足場建枠に
対して係脱するため、係合突起の足場建枠に対する係合
と開放とを正確に且つ確実に行うことができる。Further, since the engaging projection is directly operated to engage with and disengage from the scaffold building frame, the engaging projection can be engaged and released with respect to the scaffold building frame accurately and reliably.
【0041】さらに係合突起を横断面形状略円形状とし
たため、係合孔を円孔とすることができて汎用技術にて
容易に加工できる。Further, since the engaging projection has a substantially circular cross section, the engaging hole can be a circular hole and can be easily processed by a general-purpose technique.
【0042】また請求項1によれば、係合突起を直接に
ピン本体の内部方向に押圧操作するだけで、係合突起を
ピン本体の内部に退入した状態に維持することができ、
上方側の足場建枠を下方側の足場建枠から簡単に分解す
ることができると共に、係合突起を直接に操作して係合
突起の係合段部をピン本体の内部に退入維持させるた
め、係合突起の解除を確実に行うことができる。According to the first aspect of the present invention, the engaging projection can be maintained in the retracted state in the pin main body only by directly pressing the engaging projection inward of the pin main body.
The upper scaffolding frame can be easily disassembled from the lower scaffolding frame, and the engaging projections can be directly operated to keep the engaging step of the engaging projections retracted into the pin body. Therefore, the engagement protrusion can be reliably released.
【0043】また、係合突起2の退入状態において、足
場建枠をピン本体に差し込む際に、その差し込み途上で
該足場建枠の下端部が係合突起のピン本体1から若干突
出している先端部を下方に押圧し、これがために係合突
起の係合段部はピン本体の内周面から外れてその退入位
置の状態から解除されるため、係合突起はピン本体の側
面から突出し、足場建枠の差し込み途上において係合突
起は足場建枠の係合孔に自動的に係合することになる。Further, when the scaffold building frame is inserted into the pin body in the retracted state of the engagement projection 2, the lower end of the scaffold building frame slightly projects from the pin body 1 of the engagement projection during the insertion. The tip of the pin is pushed downward, which causes the engaging step of the engaging protrusion to disengage from the inner peripheral surface of the pin body and be released from its retracted position. The projecting protrusions and the engaging protrusions automatically engage with the engaging holes of the scaffolding frame while the scaffolding frame is being inserted.
【0044】従って、係合突起に対する作業者の操作は
単に足場建枠を引き抜く際の退入操作のみで、足場建枠
をピン本体に差し込む際に係合突起の係合操作、即ちこ
れを突出させる操作はなんら必要がなく、足場建枠をピ
ン本体に差し込むだけで自動的にロックされることにな
るから、足場建枠の組立.分解作業のサイクルにおいて
単に一回の連結ピン操作で済み、これらの現場作業を格
段に迅速且つ容易に行うことができる。Therefore, the operator only operates the engaging projections when the scaffolding frame is pulled out, and when the scaffolding frame is inserted into the pin body, the engaging projections are engaged. Assembling the scaffolding frame is unnecessary because there is no need to perform any operation, and it will be automatically locked simply by inserting the scaffolding frame into the pin body. In the cycle of disassembly work, only one operation of the connecting pin is required, and these on-site works can be performed remarkably quickly and easily.
【0045】更にまた請求項1によれば、係合突起が前
記係合段部の作用によってピン本体の内部に退入した状
態において、係合突起の先端部がピン本体の側面から若
干量突出していても、足場建枠を連結ピンから支障なく
引き抜くことができるから、この面からも足場建枠の分
解作業を円滑に且つ能率的に行うことができる。Further, according to claim 1, in the state where the engaging projection is retracted into the inside of the pin body by the action of the engaging step portion, the tip of the engaging projection slightly projects from the side surface of the pin body. However, since the scaffolding frame can be pulled out from the connecting pin without any trouble, the disassembling work of the scaffolding frame can be performed smoothly and efficiently also from this aspect.
【0046】また請求項2によれば、ガイド突起を設け
たことにより係合突起の作動を正確に維持することがで
きる。また、係合突起を正確に維持するガイド突起は、
連結ピンの外側面から殆ど突出されることがないから、
他の障害物に当接して誤作動を起こす危険がなく、それ
だけ安全に使用することができる。According to the second aspect, since the guide projection is provided, the operation of the engagement projection can be accurately maintained. In addition, the guide protrusion that maintains the engaging protrusion accurately
Since it hardly projects from the outer surface of the connecting pin,
There is no risk of malfunction due to contact with other obstacles, and thus it can be used safely.
【0047】また請求項3によれば、係合突起とガイド
突起が連杆部にて一体に形成され、その連杆部における
係合突起から適当距離下方位置をばねにて付勢するよう
にしているので、係合突起に退入させるような負荷が作
用したときに、ガイド突起は退入せずに係合突起側だけ
が退入し、係合突起及びガイド突起が共に没入してしま
うのを防止でき、抜け止め作用が安定し、高い信頼性を
確保できる。According to the third aspect of the present invention, the engaging projection and the guide projection are integrally formed at the connecting rod portion, and the lower portion of the connecting rod portion is urged by a spring at an appropriate distance from the engaging projection. Therefore, when a load that causes the engaging protrusion to retract is applied, the guide protrusion does not retract, only the engaging protrusion side retracts, and both the engaging protrusion and the guide protrusion sink. Can be prevented, the retaining action is stable, and high reliability can be secured.
【0048】また請求項4によれば、係合突起がばねに
付勢されて突出することによって係合突起の係止面部が
直接的にピン本体に係止してその軸方向の負荷、従って
足場建枠の引き抜き方向の荷重を受け止めることになる
から、その係止作用を確実に行うことになる。According to the fourth aspect of the present invention, the engaging projection is biased by the spring to project so that the engaging surface portion of the engaging projection directly engages with the pin body, and the axial load, and accordingly the axial load. Since the load in the pull-out direction of the scaffolding construction frame is received, the locking action is surely performed.
【図1】本発明の一実施例の斜視図である。FIG. 1 is a perspective view of an embodiment of the present invention.
【図2】同要部正面図である。FIG. 2 is a front view of the main part.
【図3】同縦断正面図である。FIG. 3 is a vertical sectional front view of the same.
【図4】同係合部材を示し、(a)は斜視図、(b)は
正面図である。FIG. 4 is a perspective view of the engagement member, and FIG. 4 (b) is a front view thereof.
【図5】同要部の作動状態を示す縦断正面図である。FIG. 5 is a vertical sectional front view showing an operating state of the main part.
【図6】同要部の作動状態を示す縦断正面図である。FIG. 6 is a vertical sectional front view showing an operating state of the main part.
【図7】同要部の作動状態を示す縦断正面図である。FIG. 7 is a vertical sectional front view showing an operating state of the main part.
【図8】同他の実施例を示す縦断正面図である。FIG. 8 is a vertical sectional front view showing the other embodiment.
a,b 足場建枠 1 ピン本体 2 係合突起 3 板ばね 4 滑り面 5 係合面 6 ガイド突起 7 連杆部 7a ばね取付突部 8 係合段部 9 副滑り面 10 竪パイプ 11 係合孔 16 連結ピン 19 係止面部 20 ガイド孔 a, b Scaffolding frame 1 Pin body 2 Engagement projection 3 Leaf spring 4 Sliding surface 5 Engaging surface 6 Guide projection 7 Linking part 7a Spring mounting projection 8 Engaging step 9 Secondary sliding surface 10 Vertical pipe 11 Engaging Hole 16 Connection pin 19 Locking surface 20 Guide hole
Claims (4)
出すると共にその側面からピン本体1の内部に退入自在
な横断面形状略円形の係合突起2と、係合突起2をピン
本体1の側面より突出付勢するばね3とを内蔵し、係合
突起2には、係合突起2をばね3の付勢力に抗してピン
本体1の内部に退入力を負荷するための滑り面4と、該
滑り面4の途上に形成されて係合突起2をピン本体1の
内部方向の退入位置に係合するための係合段部8と、係
合突起2がピン本体1の側面より突出する時には足場建
枠に係合すると共に係合突起2をばね3の付勢力に抗し
て押圧操作することによって足場建枠に対する係合を解
除する係合面5と、該係合面5の先端部に連続して、該
突起2をばね3の付勢力に抗してピン本体1の内部に退
入力を負荷するための副滑り面9とを設けてなる足場建
枠用連結ピン。To 1. A hollow pin body 1, an engaging projection 2 from its side retreat inside of the pin body 1 of the incoming freely cross-sectional shape substantially circular with projecting from its side, the engaging projection 2 pin incorporates a spring 3 projecting urging from the side surface of the main body 1, the engaging projection 2, for loading the regression inputs inside of the pin body 1 against the engagement projections 2 the biasing force of the spring 3 and the sliding surface 4, the
The engaging protrusion 2 is formed on the sliding surface 4 of the pin body 1.
When the engaging projection 8 engages with the retracted position in the inner direction, and the engaging projection 2 projects from the side surface of the pin body 1 , it engages with the scaffolding frame and the engaging projection 2 is provided with the spring 3 . The engagement surface 5 that releases the engagement with the scaffolding construction frame by pressing against the power, and the tip of the engagement surface 5 continuously.
The projection 2 is retracted inside the pin body 1 against the biasing force of the spring 3.
A scaffolding frame connecting pin provided with an auxiliary sliding surface 9 for loading an input .
して係合突起2の軸方向に直交する横方向への変位を阻
止する横断面形状略円形のガイド突起6を一体形成して
なる請求項1記載の足場建枠用連結ピン。2. The engagement projection 2 is integrally formed with a guide projection 6 having a substantially circular cross-sectional shape, which is constantly engaged with the pin body 1 and prevents displacement of the engagement projection 2 in a lateral direction orthogonal to the axial direction. The scaffolding frame connecting pin according to claim 1, which is formed.
る連杆部7の一端又はその近傍に係合突起2を、他端又
はその近傍にガイド突起6をそれぞれ一体成形し、ばね
3の当接部7aを連杆部7における係合突起2から適当
距離の位置に設けてなる請求項2記載の足場建枠用連結
ピン。3. The spring 3 is integrally formed with an engaging projection 2 at one end or in the vicinity thereof and a guide projection 6 at the other end or in the vicinity thereof of a connecting rod portion 7 extending in the axial direction along the inner wall of the pin body 1. coupling pin scaffolding Kenwaku of claim 2, wherein formed by providing a position suitable distance the contact portion 7a from engaging projection 2 in the continuous rod portion 7 of the.
て、係合突起2の突出時にピン本体1に係止して係合突
起2の軸方向の負荷を受け止める係止面部19を設けて
なる請求項1〜3のいずれか記載の足場建枠用連結ピ
ン。4. A continuously to the rear end portion of the sliding surface 4 of the engagement projection 2, receive the load in the axial direction of the engaging projection 2 engaged with the pin main body 1 when the projecting engagement projections 2 engaging The scaffolding frame connecting pin according to any one of claims 1 to 3, wherein the surface portion 19 is provided.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5301511A JP2548893B2 (en) | 1993-12-01 | 1993-12-01 | Connecting pin for scaffolding frame |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5301511A JP2548893B2 (en) | 1993-12-01 | 1993-12-01 | Connecting pin for scaffolding frame |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07150761A JPH07150761A (en) | 1995-06-13 |
JP2548893B2 true JP2548893B2 (en) | 1996-10-30 |
Family
ID=17897808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5301511A Expired - Fee Related JP2548893B2 (en) | 1993-12-01 | 1993-12-01 | Connecting pin for scaffolding frame |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2548893B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5878898B2 (en) * | 2013-08-08 | 2016-03-08 | 信和株式会社 | Scaffolding coupling device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01157844U (en) * | 1988-04-22 | 1989-10-31 | ||
JP2543634B2 (en) * | 1991-06-24 | 1996-10-16 | アルインコ株式会社 | Single pipe connection device for temporary installation |
JP2543635B2 (en) * | 1991-06-24 | 1996-10-16 | アルインコ株式会社 | Single pipe connection device for temporary installation |
-
1993
- 1993-12-01 JP JP5301511A patent/JP2548893B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH07150761A (en) | 1995-06-13 |
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