JP6824587B2 - Prop - Google Patents

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JP6824587B2
JP6824587B2 JP2017196818A JP2017196818A JP6824587B2 JP 6824587 B2 JP6824587 B2 JP 6824587B2 JP 2017196818 A JP2017196818 A JP 2017196818A JP 2017196818 A JP2017196818 A JP 2017196818A JP 6824587 B2 JP6824587 B2 JP 6824587B2
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hole
peripheral surface
recess
flange
side peripheral
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山 保 博 中
山 保 博 中
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朝日スチール工業株式会社
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Description

この発明は、フエンスやガードレールなどを支持するための支柱に関する。 The present invention relates to a support column for supporting a fence, a guardrail, or the like.

フエンスやガードレールパイプを支持するためには、図10Aに示すように従来はボルトナット15で支柱A’に固定するのが一般的である。支柱の一側周面Bと対向側周面B’にボルト貫通用の孔をあけ、ここにボルトナット15を挿通して、フエンスなどを固定している。図10では取付金具7を介して、ガードパイプ8を固定した例を示している。
また、図10Bに示すように支柱にドリルで孔を開け、孔の内周にメネジ18を切って、ここにボルト17で止める構成や、支柱内にナットを挿入し、該ナットによりボルトを固定する構成なども知られている。
これらの従来技術は種種の文献に散見されるものであり、ここでは文献を特定しない。
In order to support the fence and the guardrail pipe, as shown in FIG. 10A, conventionally, it is generally fixed to the support column A'with bolts and nuts 15. A hole for penetrating a bolt is formed in the peripheral surface B on one side and the peripheral surface B'on the opposite side of the column, and a bolt nut 15 is inserted through the hole to fix a fuse or the like. FIG. 10 shows an example in which the guard pipe 8 is fixed via the mounting bracket 7.
Further, as shown in FIG. 10B, a hole is drilled in the support column, a female screw 18 is cut on the inner circumference of the hole, and a bolt 17 is used to fix the hole, or a nut is inserted into the support column and the bolt is fixed by the nut. The configuration to do is also known.
These prior arts are found in various types of literature and are not specified here.

しかし図10Aに示すボルトナットで固定する構成の場合、支柱の孔の位置がわかりにくく、挿通に手間が掛る上、支柱の一側周面側と他側周面側の前後で作業する必要があり、施工作業の効率が悪い問題があった。また支柱の他側面にはナットの突き出し16が生じるため、怪我などが生じる危険があった。更に支柱には一側周面と他側周面に1個ずつ2か所にボルトを通すための孔をあける必要があり、支柱の加工に手間がかかる問題があった。
また、図10Bに示す、支柱に孔を開け、その内周にメネジ18を切って、ここにボルト17で止める構成の場合、同様に支柱の孔の位置が分かりにくく施工作業の効率が悪い問題がある上、メネジ18の有効長さが支柱の肉厚分しかとれず、取り付け強度が小さい欠点があり、一般的には用いられていない。
更に支柱内にナットを挿入し、該ナットによりボルトを固定する構成の場合も同様に孔の位置が分かりにくく、作業性が悪い上、支柱内にナットを挿入する手間がかかり、このナットにボルトをネジ込む作業が難しい問題があり、この構成も一般的には用いられていない。
以上説明したように従来の技術はいずれも、現場での施工性が悪く、支柱の加工にも手間が掛るなどの欠点がある問題があり、その改善が求められている。
近年特許6049025号に示すような、支柱に複数のフエンスパネルを直接固定したフエンスが開発されており、特にこのようなフエンスにおいては支柱に多数の孔を形成する必要があること、多数の孔への取り付け作業が必要であることなどから、取付作業の効率の向上や支柱自体の加工性の向上が一層求められている。
本発明は上記従来技術の問題を解決することを目的とする。
However, in the case of the configuration of fixing with bolts and nuts shown in FIG. 10A, the positions of the holes of the columns are difficult to understand, it takes time to insert the columns, and it is necessary to work before and after the one side peripheral surface side and the other side peripheral surface side of the column. There was a problem that the construction work was inefficient. Further, since the nuts protrude 16 on the other side surface of the column, there is a risk of injury or the like. Further, it is necessary to make holes for passing bolts in two places, one on one side peripheral surface and one on the other side peripheral surface, which causes a problem that it takes time and effort to process the column.
Further, in the case of the configuration shown in FIG. 10B in which a hole is formed in the support column, a female screw 18 is cut on the inner circumference thereof, and the bolt 17 is used to fasten the hole, the position of the hole in the support column is similarly difficult to understand and the construction work efficiency is poor. In addition, the effective length of the female screw 18 is only the thickness of the support column, and there is a drawback that the mounting strength is small, so that it is not generally used.
Furthermore, in the case of a configuration in which a nut is inserted into the strut and the bolt is fixed by the nut, the position of the hole is also difficult to understand, workability is poor, and it takes time to insert the nut into the strut. There is a problem that it is difficult to screw in the nut, and this configuration is also not generally used.
As described above, all of the conventional techniques have problems such as poor workability on site and time-consuming processing of columns, and improvement thereof is required.
In recent years, as shown in Japanese Patent No. 6049025, a fuse in which a plurality of fuse panels are directly fixed to a support has been developed. Especially in such a fuse, it is necessary to form a large number of holes in the support, and a large number of holes are formed. Since it is necessary to carry out the mounting work, it is further required to improve the efficiency of the mounting work and the workability of the column itself.
An object of the present invention is to solve the above problems of the prior art.

上記目的を達成するために本発明のフエンス等の支柱は、柱本体の側周面の表面から内面に貫通するように形成された孔と、当該孔の内面周囲に突出するように形成されたフランジと、該フランジに形成されたメネジと、当該孔の表面側の周辺に形成された凹部と、を有することを特徴とする。
更に本発明は、前記側周面に下穴を設けずに、先端が尖頭状の孔あけ治具を側周面に押し当てて圧力をかけて穿孔することにより、前記孔と共にフランジと凹部とを形成した、ことを特徴とする。
In order to achieve the above object, the columns such as the flange of the present invention are formed so as to have a hole formed so as to penetrate from the surface of the side peripheral surface of the column body to the inner surface and to project around the inner surface of the hole. and the flange, and having a female screw formed in the flange, and a concave portion formed in the periphery of the surface side of the hole, the.
Further, in the present invention, without providing a pilot hole on the side peripheral surface, a drilling jig having a pointed tip is pressed against the side peripheral surface to apply pressure to make a hole, thereby forming a flange and a recess together with the hole. It is characterized by forming and.

以上説明したように、本発明の支柱によれば、孔の表面側の周辺に形成された凹部により、フエンス等の取り付け作業中に孔の位置が視認でき、その位置を確認しやすい。また、凹部の底部に孔が位置するため、ボルトなどの先端を凹部に沿って滑らせていけば、簡単にボルトなどの先端を孔に導くことが可能になり、手先の感覚だけでもボルトの挿通が可能になる。これにより施工作業を効率化できる。
また本発明の支柱は、側周面に下穴を設けずに直接孔をあけることにより、一度の工程で形成することが可能であり、支柱の加工が簡単化し、製造効率の向上を図ることが可能になる、などの効果がある。
As described above, according to the post of the present invention, the concave portion formed in the periphery of the surface side of the hole, the position of the holes during installation of such fence is visible, easily confirm the position. In addition, since the hole is located at the bottom of the recess, if you slide the tip of the bolt along the recess, you can easily guide the tip of the bolt to the hole, and you can easily guide the tip of the bolt to the hole. It can be inserted. This makes the construction work more efficient.
Further, the support column of the present invention can be formed in a single process by directly drilling a hole without providing a pilot hole on the side peripheral surface, which simplifies the processing of the support column and improves the manufacturing efficiency. It has the effect of making it possible.

本発明の一実施形態を示す概略立面図。The schematic elevation view which shows one Embodiment of this invention. 本発明の一実施形態を示す横断面図。The cross-sectional view which shows one Embodiment of this invention. 本発明の一実施形態を示す部分縦断面図。A partial vertical sectional view showing an embodiment of the present invention. 本発明の一実施形態のフエンス装着状態を示す横断面図。The cross-sectional view which shows the fuse mounting state of one Embodiment of this invention. 本発明の一実施形態の他のフエンス装着状態を示す横断面図。The cross-sectional view which shows the other fuse mounting state of one Embodiment of this invention. 本発明の一実施形態の他のフエンス装着状態を示す側面図。The side view which shows the other fuse mounting state of one Embodiment of this invention. 本発明の一実施形態のガードパイプ装着状態を示す横断面図。The cross-sectional view which shows the guard pipe mounting state of one Embodiment of this invention. 本発明の一実施形態の製造方法の説明図。The explanatory view of the manufacturing method of one Embodiment of this invention. 従来のバーリング法の説明図。Explanatory drawing of the conventional burring method. 従来の支柱の説明図。Explanatory drawing of a conventional support.

以下本発明の実施の形態を図面に基づいて説明する。
図1は、支柱Aの側面図で中間省略してある。支柱Aはここでは角柱であるが、円柱や他の形状であってもよい。また長さは任意であり、縦方向に所定の間隔で孔1を形成してある。孔1の数、間隔も必要に応じて変更可能である。
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a side view of the support column A and is omitted in the middle. The stanchion A is a prism here, but may have a cylinder or other shape. Further, the length is arbitrary, and holes 1 are formed at predetermined intervals in the vertical direction. The number and spacing of the holes 1 can also be changed as needed.

図2と図3に示すように、孔1は支柱Aの側周面Bの表面10から内面11に貫通するように形成されており、更に孔1の内面11側の周囲にフランジ2が形成され、その内周面にメネジ20が形成されている。
また孔1の表面10側の周囲には凹部3が形成されている。凹部3は孔1を底部とするすり鉢状の形状であり、この凹部3により、施工時に孔1が見え、又ボルト5の先端がこの凹部3の斜面に沿って孔1へと導かれるように構成されている。
凹部3はなるべく大きく形成することが望ましく、孔1の直径の2倍以上の直径とすることが望ましい。広範囲に形成することにより作業性の向上を図れる効果がある。図1において凹部3は縦長の楕円形状をしているが、形状は任意である。
As shown in FIGS. 2 and 3, the hole 1 is formed so as to penetrate from the surface 10 of the side peripheral surface B of the support column A to the inner surface 11, and a flange 2 is further formed around the inner surface 11 side of the hole 1. A female screw 20 is formed on the inner peripheral surface thereof.
Further, a recess 3 is formed around the surface 10 side of the hole 1. The recess 3 has a mortar-shaped shape with the hole 1 at the bottom, so that the hole 1 can be seen during construction and the tip of the bolt 5 is guided to the hole 1 along the slope of the recess 3. It is configured.
The recess 3 is preferably formed as large as possible, and the diameter is preferably at least twice the diameter of the hole 1. Forming in a wide range has the effect of improving workability. In FIG. 1, the recess 3 has a vertically long elliptical shape, but the shape is arbitrary.

上記孔1、フランジ2及び凹部3の構成は、図8のA、Bに示すように側周面Bに下穴を形成せずに、直接先端が尖頭状の孔あけ治具21を側周面Bに押し当てて圧力をかけて穿孔することにより形成することが可能である。これにより一度の成型工程で効率的に、孔1とフランジ2及び凹部3を形成できる。 In the configuration of the hole 1, the flange 2, and the recess 3, the drilling jig 21 having a pointed tip is directly placed on the side without forming a pilot hole on the side peripheral surface B as shown in A and B of FIG. It can be formed by pressing against the peripheral surface B and applying pressure to pierce it. As a result, the hole 1, the flange 2, and the recess 3 can be efficiently formed in one molding process.

図9に孔とフランジを形成する一般的なバーリング法を示す。一般的なバーリング法では、支柱の側周面Bに下穴60を開けておき、その後下型61と上型62によりプレスして下穴60の周囲にフランジを形成し、該フランジにメネジを切るという複雑の工程が必要な上、金型が必要で、金型自体高価な上、支柱内部に金型を挿入するのは難しい問題がある。また更に従来の一般的なバーリング法では凹部を形成することはできず、凹部を形成するためには更に別の工程が必要であり、全体として製造工程が複雑でコストが掛る問題がある。 FIG. 9 shows a general burring method for forming holes and flanges. In a general burring method, a pilot hole 60 is made in the side peripheral surface B of a column, and then pressed by a lower die 61 and an upper die 62 to form a flange around the pilot hole 60, and a female screw is attached to the flange. In addition to the complicated process of cutting, a mold is required, the mold itself is expensive, and it is difficult to insert the mold inside the support column. Further, the conventional general burring method cannot form a recess, and another step is required to form the recess, which causes a problem that the manufacturing process is complicated and costly as a whole.

これに対して前記したように、図8に示す方法では下穴を形成せず、孔あけ治具21を側周面Bに押し当てて圧力をかけて穿孔することにより、孔1とフランジ2が形成され、同時に孔あけ治具21の圧力により凹部3が形成され、一回の作業で孔1、フランジ2及び凹部3を形成することができる。
なお、本発明の構成を図8による方法で形成した場合、フランジ2は不定形の形状となるが、フランジ2の内周面にメネジ20を形成することに問題なく、またボルト5やビスで止めた場合にも強度的な問題はない。
On the other hand, as described above, the pilot hole is not formed by the method shown in FIG. 8, and the hole 1 and the flange 2 are formed by pressing the drilling jig 21 against the side peripheral surface B and applying pressure to drill the holes. At the same time, the recess 3 is formed by the pressure of the drilling jig 21, and the hole 1, the flange 2 and the recess 3 can be formed in one operation.
When the configuration of the present invention is formed by the method according to FIG. 8, the flange 2 has an irregular shape, but there is no problem in forming the female screw 20 on the inner peripheral surface of the flange 2, and the bolt 5 or the screw is used. There is no problem with strength even when stopped.

図4にフエンス6を装着した場合を示す。ここでは、フエンス6のパネルを左右方向に連結して直接支柱Aに固定している。現場で作業者は凹部3から孔1の位置を確認することができ、ボルト5或いはビスの先端を凹部3に接触させて軽く押せば、ボルト5の先端は凹部3の傾斜に従って孔1に導かれて孔1に挿通する。そして、ボルト5をメネジ20にねじ込むことにより、簡単にパネルの装着を行うことができる。
なお、50はワッシャ,51は座金である。
FIG. 4 shows a case where the fuse 6 is attached. Here, the panels of the fuse 6 are connected in the left-right direction and directly fixed to the support column A. The operator can confirm the position of the hole 1 from the recess 3 at the site, and if the tip of the bolt 5 or the screw is brought into contact with the recess 3 and lightly pressed, the tip of the bolt 5 is guided to the hole 1 according to the inclination of the recess 3. It is cut and inserted into the hole 1. Then, by screwing the bolt 5 into the female screw 20, the panel can be easily mounted.
In addition, 50 is a washer and 51 is a washer.

図5と図6は取付具7を介してフエンス6を支柱Aに装着した例を示している。この場合も同様に凹部3から孔1の位置を確認でき、ボルト5を確実に孔1に挿通することが可能になる。 5 and 6 show an example in which the fuse 6 is attached to the support column A via the attachment 7. In this case as well, the position of the hole 1 can be confirmed from the recess 3 in the same manner, and the bolt 5 can be reliably inserted into the hole 1.

図7は支柱Aの側周面Bと対向側周面B’の両側に取付具7,7を固定し、ここにガードパイプ8,8を装着した例を示している。このように支柱Aの側周面Bと対向側周面B’の両方にそれぞれ、孔1,1とフランジ2,2及び凹部3,3を形成して、支柱Aの側周面Bと対向側周面B’の両側に固定対象物を装着することも可能である。この場合にも凹部3によりボルト5の挿入とねじ込みが容易であることは同じである。 FIG. 7 shows an example in which the fixtures 7 and 7 are fixed on both sides of the side peripheral surface B and the opposite side peripheral surface B'of the support column A, and the guard pipes 8 and 8 are attached thereto. In this way, holes 1, 1 and flanges 2, 2 and recesses 3, 3 are formed on both the side peripheral surface B and the opposite side peripheral surface B'of the support column A, respectively, and face the side peripheral surface B of the support column A. It is also possible to mount fixed objects on both sides of the side peripheral surface B'. In this case as well, the recess 3 makes it easy to insert and screw in the bolt 5.

1:孔、2:フランジ、3:凹部、5:ボルト、6:フエンス、7:取付具、8:ガードパイプ、10:表面、11:内面、15:ボルトナット、16:突き出し、17:ボルト、18:メネジ、20:メネジ、21:孔あけ治具、50:ワッシャ、51:座金、60:下穴、61:下型、62:上型。 1: Hole, 2: Flange, 3: Recess, 5: Bolt, 6: Fence, 7: Fixture, 8: Guard pipe, 10: Surface, 11: Inner surface, 15: Bolt nut, 16: Protrusion, 17: Bolt , 18: Female screw, 20: Female screw, 21: Drilling jig, 50: Washer, 51: Washer, 60: Pilot hole, 61: Lower mold, 62: Upper mold.

Claims (2)

柱本体の側周面の表面から内面に貫通するように形成された孔と、
当該孔の内面周囲に突出するように形成されたフランジと、
該フランジに形成されたメネジと、
当該孔の表面側の周辺に形成された凹部と、
を有することを特徴とするフエンス等の支柱。
A hole formed so as to penetrate from the surface of the side peripheral surface of the pillar body to the inner surface,
A flange formed so as to project around the inner surface of the hole,
The female screw formed on the flange and
And a concave portion formed in the periphery of the surface side of the hole,
A support such as a fuse, which is characterized by having.
前記側周面に下穴を設けずに、先端が尖頭状の孔あけ治具を側周面に押し当てて圧力をかけて穿孔することにより、前記孔と共にフランジと凹部とを形成した、
請求項1に記載のフエンス等の支柱。
A flange and a recess were formed together with the hole by pressing a drilling jig having a pointed tip against the side peripheral surface and applying pressure to make a hole without providing a pilot hole on the side peripheral surface.
A support such as a fuse according to claim 1.
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