JP3179014U - Scaffolding retainer - Google Patents

Abstract

【課題】受筒状としたソケット部を直交する二方向を段違いで突設した支柱管１と、先端にソケット部へ上方から差し入れる差込連結部を設けた横管とで形成する足場骨組みで、差込連結部に特別な抜け止め構造を付することなく、既存の支柱管及び横管を使用して、その連結解除を防止する器具を提供する。
【解決手段】支柱管１の外径に対応した内径を有する二分割半円形状の抱持本体３ａ，３ｂを形成すると共に、リング状に組み合わせた際の一端側を、ヒンジ連結して開閉自在とし、他方端側に抱持本体を互いに連結する接続部（螺孔、貫通孔、連結螺子体３４）を設けると共に、隣接ソケット部の上下段差の長さ分だけ下方に突出する押さえ突部３５を設けてなる。
【選択図】図３
A scaffold frame formed by a column tube 1 having a socket-shaped socket portion projecting in two orthogonal directions and a horizontal tube provided with an insertion connecting portion inserted into the socket portion from above at the tip. Thus, the present invention provides an instrument that uses existing strut pipes and side pipes to prevent the connection from being released without attaching a special retaining structure to the plug-in connecting portion.
SOLUTION: A half split circular holding body 3a, 3b having an inner diameter corresponding to the outer diameter of a column tube 1 is formed, and one end side when combined in a ring shape is hinged to be opened and closed. And a holding protrusion 35 that protrudes downward by the length of the upper and lower steps of the adjacent socket portion, and is provided with a connecting portion (screw hole, through hole, connecting screw body 34) for connecting the holding body to each other on the other end side. Is provided.
[Selection] Figure 3

Description

本考案は、足場の骨組みの接続部分の抜け止めを防止するための器具に関するものである。   The present invention relates to a device for preventing the connecting portion of a scaffolding framework from coming off.

建築工事などにおいて多用されている仮設足場の骨組みは、いわゆる単管足場と称され、支柱管と横管を連結して構築されている。この支柱管と横管との連結構造は、組立て並びに解体時の作業能率を考慮して、支柱管の上下適宜間隔で受筒状としたソケット部を四方向に突設し、横管の先端に前記ソケット部へ上方から差し入れる差込連結部を設け、ソケット部と差込連結部の組み合わせで連結を行っている。   The framework of a temporary scaffold frequently used in construction work is called a so-called single pipe scaffold, and is constructed by connecting a column pipe and a horizontal pipe. This strut tube-horizontal tube connection structure takes into account the work efficiency during assembly and disassembly, and has a socket-shaped socket part protruding in four directions at appropriate intervals above and below the strut tube, and the tip of the horizontal tube An insertion connecting portion to be inserted into the socket portion from above is provided, and connection is performed by a combination of the socket portion and the insertion connecting portion.

また安易にソケット部から差込連結部が抜けてしまうと危険であるため、ソケット部をテーパー状に形成し、差込連結部を楔状鉤部に形成し、前記楔状鉤部をソケット部に圧入して連結固定しているものである。   In addition, since it is dangerous to easily remove the plug connection part from the socket part, the socket part is formed in a taper shape, the plug connection part is formed in a wedge-shaped hook part, and the wedge-shaped hook part is press-fitted into the socket part. Are connected and fixed.

然し楔状鉤部を採用した場合は、楔状鉤部で強く連結固定するために、装着時にハンマー打撃を必要とし、その騒音による周辺地域の環境の悪化を招き、また組立解体を何度も繰り返すことでソケット部や楔状鉤部が変形してしまい、連結が緩くなってしまう。   However, when a wedge-shaped saddle is used, it is strongly connected and fixed by the wedge-shaped saddle, so that hammering is required at the time of wearing, the surrounding environment is deteriorated due to the noise, and assembly and disassembly is repeated many times. As a result, the socket part and the wedge-shaped collar part are deformed, and the connection is loosened.

その対策として特許文献１には、ソケットへの差込連結部の下端に、カム形状の係止縁を備えた係止金具を枢結し、前記係止金具の回動で係止金具先端をソケットより外方に突出させて抜け止めを行う構造が開示されている。   As a countermeasure, Patent Document 1 discloses that a locking metal fitting having a cam-shaped locking edge is pivotally connected to the lower end of the insertion connecting portion to the socket, and the end of the locking metal fitting is moved by rotating the locking metal fitting. A structure is disclosed in which a stopper is provided by protruding outward from the socket.

また特許文献２には、差込連結部を設けた横管に、縦回動又は横回動によってソケットの下方へ進出する鉤部材を付設して、ソケット部から差込連結部が抜け出るのを防止する構造が開示されている。   Further, in Patent Document 2, a horizontal member that extends downward of the socket by vertical rotation or horizontal rotation is attached to the horizontal tube provided with the insertion coupling portion, and the insertion coupling portion is pulled out from the socket portion. A structure to prevent is disclosed.

特開２００６−４５８２２号公報。JP 2006-45822 A. 特開２００７−２７７９８１号公報。Japanese Patent Laid-Open No. 2007-277798.

仮設足場の骨組み構造に、支柱管に設けた受筒状のソケット部と、横管先端の差込連結部との組み合わせを採用した場合の抜け止め手段として、前記の通り楔状鉤部を採用すると組立作業時の騒音と、経年変化による変形が問題となる。   When the wedge-shaped heel portion is used as a retaining means when the combination of the socket-shaped socket portion provided on the column tube and the insertion connecting portion at the distal end of the horizontal tube is adopted in the framework structure of the temporary scaffold, as described above Noise during assembly work and deformation due to secular change are problems.

また特許文献１，２に開示されている差込連結部に抜け止め構造を付設した横管を採用する場合は、既存の楔状鉤部を備えた横管に替えて新たな横管を製造する必要があり、或いは既存の横管の先端部分を溶断し、抜け止め構造を備えた差込連結部を付設する必要があり、既存の楔状鉤部を備えた横管を廃棄する無駄や作り変えの煩雑さがある。   Moreover, when adopting the horizontal pipe which attached the retaining structure to the insertion connection part currently disclosed by patent documents 1, 2, it replaces with the existing horizontal pipe provided with the wedge-shaped collar part, and manufactures a new horizontal pipe. It is necessary, or it is necessary to melt the tip of the existing horizontal pipe and attach an insertion connecting part with a retaining structure, and waste or remodeling the existing horizontal pipe with a wedge-shaped collar There is complexity.

そこで本考案は、既存の楔状鉤部を備えた横管を使用した仮設足場の骨組みにおいても、横管の構造を変更することなく抜け止めを実現する新規な足場用抜け止め具を提案したものである。   Therefore, the present invention has proposed a new scaffolding retaining tool that achieves retaining without changing the structure of the horizontal pipe, even in the framework of a temporary scaffold that uses a horizontal pipe with a wedge-shaped buttocks. It is.

本考案（請求項１）に係る足場用抜け止め具は、受筒状としたソケット部を四方向で且つ直交する二方向を段違いで突設した支柱管と、先端に前記ソケット部へ上方から差し入れる差込連結部を設けた横管とで形成する足場骨組みに適用するものであって、支柱管の外径に対応した内径を有する二分割半円形状の抱持本体を形成すると共に、前記抱持本体をリング状に組み合わせた際の一端側を、ヒンジ連結して開閉自在とし、他方端側に抱持本体を互いに連結する接続部を設けると共に、接続部を連結した際の１８０度の位置に、隣接ソケット部の上下段差の長さ分だけ下方に突出する押さえ突部を設けてなることを特徴とするものである。   The scaffold retainer according to the present invention (Claim 1) includes a column tube having a socket-shaped socket portion projecting in four directions and two orthogonal directions in a stepwise manner, and the socket portion at the tip from above to the socket portion. It is applied to a scaffolding frame formed with a horizontal tube provided with an insertion connection part to be inserted, and forms a holding body of a two-divided semicircular shape having an inner diameter corresponding to the outer diameter of the strut tube, When the holding body is combined in a ring shape, one end side is hinged to be openable and closable, and the other end side is provided with a connecting portion for connecting the holding body to each other and 180 degrees when the connecting portion is connected In this position, a pressing protrusion that protrudes downward by the length of the upper and lower steps of the adjacent socket is provided.

而して支柱管のソケット部に横管の差込連結部を差し入れて足場骨組みを構築した後に、骨組み連結箇所の上方に足場用抜け止め具を配置し、抱持本体の底面を段違い上方のソケット部に連結した横管上部と当接させ、押さえ突部の下端を段違い下方のソケット部に連結した横管上部と当接する状態で、接続部を連結して抱持本体を支柱管に抱持固定するものである。   Thus, after constructing the scaffolding frame by inserting the connecting part of the horizontal tube into the socket part of the column pipe, the anchorage for the scaffolding is arranged above the framed connection part, and the bottom surface of the holding body is placed In the state where the upper part of the horizontal pipe connected to the socket part is in contact with the upper part of the horizontal pipe connected to the lower socket part with the lower end of the pressing projection, the connecting part is connected to hold the holding body on the column pipe. It is intended to be fixed.

従って支柱管の各ソケット部に連結した当該骨組みに使用される横管は、その上方への移動が前記足場用抜け止め具によって阻止され、支柱管と横管の連結が解除されることが無い。   Therefore, the horizontal tube used for the frame connected to each socket portion of the column tube is prevented from moving upward by the scaffolding stopper, and the connection between the column tube and the horizontal tube is not released. .

本考案（請求項２）に係る足場用抜け止め具は、押さえ突部を、ソケット部に挿入可能な大きさに形成してなるもので、足場を組み立てる前においては、押さえ突部をソケット部内に差し入れて支柱管に装着しておくと紛失の虞が無く、且つ足場骨組み構築時に、抜け止め具の接続部の連結を緩め、抜け止め具を持ち上げ、横管の差込連結後に抜け止め具を固定すれば良く、抜け止め具の脱着作業を効率的に行うことができる。   The scaffold retainer according to the present invention (Claim 2) is formed by forming the pressing projection into a size that can be inserted into the socket portion. Before assembling the scaffold, the pressing projection is placed in the socket portion. There is no risk of losing if it is inserted into the column pipe and loosened the connection of the connection part of the retainer, lifted the retainer when constructing the scaffolding framework, and the retainer after the horizontal pipe is inserted and connected Can be fixed, and the attaching / detaching operation of the retainer can be performed efficiently.

本考案は上記のとおりの構成で、受筒状としたソケット部を四方向で且つ交差する二方向を段違いで突設した支柱管と、先端に前記ソケット部へ上方から差し入れる差込連結部を設けた横管とで形成する足場骨組みにおいて、横管の差込連結部の構造を複雑にすることなく、また横管の差込連結部に楔状突部を採用している既存の足場骨組みに対しても、楔のハンマー打ち込み作業を行うことなく、横管の抜け止めを実現するもので、足場構築の作業能率を向上させると共に、差込連結部の経年変化による変形をも防止できるものである。   The present invention is configured as described above, and a column tube in which a socket portion having a cylindrical shape is projected in four directions and in two intersecting directions with a step difference, and an insertion connecting portion that is inserted into the socket portion at the tip from above. The existing scaffold framework that uses a wedge-shaped projection for the insertion and connection of the horizontal pipe without complicating the structure of the insertion and connection of the horizontal pipe. In addition, it is possible to prevent the horizontal tube from slipping without performing the hammer driving operation of the wedge, which can improve the work efficiency of building the scaffolding and prevent deformation due to secular change of the plug connection part. It is.

本考案の実施形態の全体図。1 is an overall view of an embodiment of the present invention. 同使用状態の説明図（器具装着前）。Explanatory drawing of the same state of use (before instrument mounting). 同使用状態の説明図（器具装着後）。Explanatory drawing of the same usage state (after instrument mounting). 同使用状態の説明図（非使用状態：保管時）。Explanatory drawing of the usage state (non-use state: during storage). 同使用対象の足場用管の説明図（既存品）。Explanatory drawing of the pipe for scaffolding to be used (existing product).

次に本考案の実施形態について説明する。本考案に係る足場用抜け止め具（本器具）の使用対象は、図５に示すように支柱管１と横管２とで組み立てる足場用骨組みで、支柱管１は、受筒状に形成して二方向（１８０度の位置）に設けた上段ソケット部１１ａと、前記上段ソケット部１１ａと直交する二方向（１８０度の位置）に段違いで設けた下段ソケット部１１ｂを設けたもので、これらの一組の上下段ソケット部１１ａ，１１ｂは上下適宜間隔で多段に設けてなり、また上端には連結用挿入部１２を設けてなる。   Next, an embodiment of the present invention will be described. As shown in FIG. 5, the scaffolding retaining device (this device) according to the present invention is a scaffolding frame that is assembled by the column tube 1 and the horizontal tube 2, and the column tube 1 is formed in a receiving tube shape. The upper socket part 11a provided in two directions (position of 180 degrees) and the lower socket part 11b provided in different directions in two directions (position of 180 degrees) orthogonal to the upper socket part 11a are provided. A set of upper and lower socket portions 11a and 11b is provided in multiple stages at appropriate intervals in the vertical direction, and a connecting insertion portion 12 is provided at the upper end.

横管２は、両端に、前記ソケット部１１ａ，１１ｂへ上方から差し入れることが可能な差込連結部（図示例は既存の楔状突部）２１を設けたもので、左右前後に適宜配置した支柱管１のソケット部１１ａ，１１ｂに差込連結部２１を上方から挿着して連結し、更に支柱管１を上方に連結すると共に横管２を差し渡して連結することで必要とする足場の骨組みを構築するものである。   The horizontal tube 2 is provided with plug connecting portions (existing wedge-shaped projections in the illustrated example) 21 that can be inserted into the socket portions 11a and 11b from above at both ends, and are appropriately disposed on the left and right sides. An insertion connecting portion 21 is inserted and connected to the socket portions 11a and 11b of the column tube 1 from above, and the column tube 1 is connected to the upper side and the horizontal tube 2 is passed and connected. It builds a framework.

本器具は、全体が樹脂製のリング形状となるもので、前記支柱管１の外径に対応した内径を有する二分割半円形状の抱持本体３ａ，３ｂを形成すると共に、前記抱持本体３ａ，３ｂをリング状に組み合わせた際の一端側を、縦軸棒３１を使用してヒンジ連結して開閉自在とし、他方端側に抱持本体３ａ，３ｂを互いに連結する接続部を設けたものである。   The present instrument has a resin ring shape as a whole, and forms two-divided semicircular holding bodies 3a and 3b having an inner diameter corresponding to the outer diameter of the column tube 1, and the holding body One end side when the rings 3a and 3b are combined in a ring shape is hinged using a vertical bar 31 so that it can be opened and closed, and a connecting portion for connecting the holding bodies 3a and 3b to each other is provided on the other end side. Is.

接続部は、螺孔３２と貫通孔３３と連結螺子体３４で構成され、螺孔３２は、抱持本体３ａの突き合せ端面に設け、貫通孔３３は、抱持本体３ａ，３ｂを閉じた際に、螺孔３２と一致する軸線上で、抱持本体３ｂの突き合せ端面から外周まで貫通するように設けたものである。また連結螺子体３４は、頭部付で前記螺孔３２に螺合して抱持本体３ａ，３ｂを連結するものである。   The connecting portion is composed of a screw hole 32, a through hole 33, and a connecting screw body 34. The screw hole 32 is provided on the abutting end surface of the holding body 3a, and the through hole 33 closes the holding bodies 3a and 3b. At this time, it is provided so as to penetrate from the abutting end surface of the holding body 3b to the outer periphery on the axis line coinciding with the screw hole 32. The connecting screw body 34 has a head and is screwed into the screw hole 32 to connect the holding bodies 3a and 3b.

また抱持本体３ａ，３ｂには、下方に突出する押さえ突部３５を設けたもので、押さえ突部３５は、抱持本体３ａ，３ｂを閉じた際の１８０度の位置に、ソケット部１１ａに挿入可能な大きさで、その長さを隣接する上下段ソケット部１１ａ，１１ｂの上下段差の長さ分としたものである。   The holding main bodies 3a and 3b are provided with pressing protrusions 35 protruding downward, and the pressing protrusions 35 are positioned at 180 degrees when the holding main bodies 3a and 3b are closed. The length is the same as the length of the upper and lower steps of the adjacent upper and lower socket portions 11a and 11b.

本器具の使用は、支柱管１のソケット部１１ａ，１１ｂの何れかまたは全てに横管２の差込連結部２１を差し入れて足場骨組みを構築した後に、骨組み連結箇所の上方に本器具を位置させ、抱持本体３ａ，３ｂの底面を上段ソケット部１１ａに連結した横管２の上部と当接させ、押さえ突部３５の下端を下段ソケット部１１ｂに連結した横管２上部と当接する状態で、貫通孔３３に差し入れた連結螺子体３４を螺孔３２に螺合して、本器具を
支柱管１に抱持固定するものである。 The use of this instrument is to place the instrument above the frame connection part after the scaffolding frame is constructed by inserting the insertion connection part 21 of the horizontal tube 2 into any or all of the socket parts 11a, 11b of the column tube 1. The bottom surfaces of the holding bodies 3a and 3b are brought into contact with the upper portion of the horizontal tube 2 connected to the upper socket portion 11a, and the lower end of the pressing projection 35 is brought into contact with the upper portion of the horizontal tube 2 connected to the lower socket portion 11b. Thus, the connecting screw body 34 inserted into the through hole 33 is screwed into the screw hole 32, and the instrument is held and fixed to the column tube 1.

従って支柱管１のソケット部１１ａ，１１ｂに連結した足場骨組みに使用された横管２は、その上方に抱持本体３ａ，３ｂや押さえ突部３５が位置することになり、ソケット部１１ａ，１１ｂに挿着されたれ差込連結部２１の上方移動が本器具によって阻止されることになるので、支柱管１と横管２の連結が解除されることが無く、足場骨組みは安全に構築されるものである。   Accordingly, the holding tube 3a, 3b and the pressing projection 35 are positioned above the horizontal tube 2 used for the scaffold frame connected to the socket portions 11a, 11b of the column tube 1, and the socket portions 11a, 11b Since the upward movement of the insertion connecting portion 21 inserted into the frame is blocked by the present instrument, the connection between the column tube 1 and the horizontal tube 2 is not released, and the scaffold frame is constructed safely. Is.

また足場を構築せず支柱管１や横管２を保管している際には、図４に示すとおり押さえ突部３５をソケット部１１ａ内に差し入れて支柱管１に抱持固定しておくと、紛失の虞が無い。更に足場骨組み構築作業時において、本器具の連結螺子体３４を緩め、本器具を持ち上げ、横管２を差込連結した後に、本器具を下降させ連結螺子体３４を緊締するのみで本器具の装着ができるので、本器具の脱着作業を効率的に行うことができるものである。   Further, when the support pipe 1 and the horizontal pipe 2 are stored without constructing a scaffold, the holding protrusion 35 is inserted into the socket portion 11a and held and fixed to the support pipe 1 as shown in FIG. There is no risk of loss. Further, during the scaffold frame construction work, the connecting screw body 34 of the present instrument is loosened, the present instrument is lifted, the horizontal tube 2 is inserted and connected, and then the present instrument is lowered and the connecting screw body 34 is tightened. Since it can be mounted, the device can be efficiently attached and detached.

１ 支柱管
１１ａ 上段ソケット部
１１ｂ 下段ソケット部
１２ 連結用挿入部
２ 横管
２１ 差込連結部
３ａ，３ｂ 抱持本体
３１ 縦軸棒
３２ 螺孔
３３ 貫通孔
３４ 連結螺子体
３５ 押さえ突部 DESCRIPTION OF SYMBOLS 1 Post pipe 11a Upper stage socket part 11b Lower stage socket part 12 Connection insertion part 2 Horizontal pipe 21 Insertion connection part 3a, 3b Holding body 31 Vertical axis | shaft bar 32 Screw hole 33 Through hole 34 Connection screw body 35 Holding | pressing protrusion

Claims (4)

受筒状としたソケット部を四方向で且つ直交する二方向を段違いで突設した支柱管と、先端に前記ソケット部へ上方から差し入れる差込連結部を設けた横管とで形成する足場骨組みに適用するものであって、支柱管の外径に対応した内径を有する二分割半円形状の抱持本体を形成すると共に、前記抱持本体をリング状に組み合わせた際の一端側を、ヒンジ連結して開閉自在とし、他方端側に抱持本体を互いに連結する接続部を設けると共に、接続部を連結した際の１８０度の位置に、隣接ソケット部の上下段差の長さ分だけ下方に突出する押さえ突部を設けてなることを特徴とする足場用抜け止め具。   Scaffolding formed of a column tube having a socket-shaped socket portion protruding in four directions and in two orthogonal directions, and a horizontal tube provided with an insertion connecting portion inserted into the socket portion from above at the tip It is applied to a framework, and forms a half-circular holding body having an inner diameter corresponding to the outer diameter of the column tube, and one end side when the holding body is combined in a ring shape, It is hinged so that it can be opened and closed, and a connecting part is provided on the other end side to connect the holding body to each other, and at the position of 180 degrees when the connecting part is connected, it is below by the length of the vertical step of the adjacent socket part. A retainer for scaffolding, characterized in that a pressing protrusion protruding from the bottom is provided. 押さえ突部を、ソケット部に挿入可能な大きさに形成してなる請求項１記載の足場用抜け止め具。   The scaffolding retainer according to claim 1, wherein the pressing protrusion is formed in a size that can be inserted into the socket. 接続部を、一方の抱持本体の突き合せ端面に設けた螺孔と、他方抱持本体の突き合せ端部に前記螺孔に一致するように設けた貫通孔と、貫通孔に挿入して前記螺孔に螺合する頭部付の連結螺子体とで構成してなる請求項１又は２記載の足場用抜け止め具。   The connecting portion is inserted into the through hole, the screw hole provided in the butting end surface of one holding body, the through hole provided in the butting end portion of the other holding body so as to match the screw hole, The scaffold retainer according to claim 1 or 2, comprising a connecting screw body with a head screwed into the screw hole. 抱持本体を樹脂で形成してなる請求項１乃至３記載の何れかの足場用抜け止め具。   The scaffold retainer according to any one of claims 1 to 3, wherein the holding body is made of resin.

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