JP4092269B2 - Road sign pillar - Google Patents
Road sign pillar Download PDFInfo
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- JP4092269B2 JP4092269B2 JP2003290577A JP2003290577A JP4092269B2 JP 4092269 B2 JP4092269 B2 JP 4092269B2 JP 2003290577 A JP2003290577 A JP 2003290577A JP 2003290577 A JP2003290577 A JP 2003290577A JP 4092269 B2 JP4092269 B2 JP 4092269B2
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- pedestal
- core
- protrusion
- main body
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Description
本発明は、道路のセンターライン、歩車道分離、ゼブラゾーン等用として路面に起立設置される道路標識柱に関するものである。 The present invention relates to a road sign pillar that is installed upright on a road surface for use as a road centerline, pedestrian road separation, zebra zone, and the like.
前記の如き道路標識柱として、復元弾性を有する標識柱本体の下端にコア台座を結合させ、そのコア台座を台座本体により覆うと共にその台座本体を路面上に固定すべくなしたものが実用化されている。なお、この種の公知技術の特許文献としては下記のものがある。
上記特許文献1および2に記載のものは、基台又は押えリングに嵌合溝が設けられ、標示筒または筒状円柱体の下端をその嵌合溝に押え込んで固定するように構成されているので、部品が破損したときにはこれを交換することができる利点があるが、その反面、車輌が衝突したりすると押えリングが外れて標識筒(筒状円柱体)が離脱しやすいという問題がある。
The ones described in
また、前記特許文献3に記載のものは、押えリングを介して柱本体を台座(ベース)に着脱自在に組み付けているので、前記特許文献1および2に記載のものと同様の問題があるばかりでなく、路面に設置する以前の台座と押えリングとの結合力は、台座と押えリングとのテーパ結合面に形成した半球状凸部と凹部との結合力にのみ依存しているので、例えば標識柱を設置現場まで運搬する際に台座と押えリングとが外れて各部がバラバラに分解されるおそれがある。
Moreover, since the thing of the said
本発明は、前記の如き従来技術の問題点を改善し、標識柱を設置現場まで運搬する際などの路面に設置する以前の状態においても、標識柱本体の下端に結合されたコア台座と路面に固定すべき台座本体とを確りと結合させることができ、しかもその強固な結合にもかかわらずコア台座と台座本体とを容易に組付けることができる道路標識柱を提供せんとするものである。 The present invention improves the problems of the prior art as described above, and the core pedestal and the road surface coupled to the lower end of the sign post body even in the state before the sign post is installed on the road surface when transporting the sign post to the installation site. It is intended to provide a road sign pillar that can be securely coupled to the pedestal body to be fixed to the core and that can easily assemble the core pedestal and the pedestal body despite its strong coupling. .
本発明は、前記の如き課題を解決するため、標識柱本体の下端に結合されたコア台座とそのコア台座を上方から覆う台座本体とからなり、両者をテーパ結合させた状態で台座本体を路面上に固定することにより標識柱本体を路面上に起立設置すべくなした道路標識柱において、台座本体の内径部に内側に向って突出する突起を設けると共に、コア台座の頂部に肩部を斜めに削り落した形の傾斜案内面とその傾斜案内面の下側に位置して前記台座本体の突起を嵌合させる溝を形成し、台座本体をコア台座に外嵌すると、台座本体の突起がコア台座の傾斜案内面に案内されながらコア台座の溝に嵌入して台座本体とコア台座とを結合せしめるように構成したことを特徴とする。 In order to solve the above-mentioned problems, the present invention comprises a core pedestal coupled to the lower end of the sign post body and a pedestal body covering the core pedestal from above, and the pedestal body is mounted on the road surface in a state where both are taper-coupled. In the road sign pillar that is intended to stand upright on the road surface by fixing it on the road surface, a protrusion projecting inward is provided on the inner diameter part of the pedestal body, and the shoulder part is slanted on the top of the core pedestal When the pedestal main body is externally fitted to the core pedestal, the pedestal main body protrusions are formed. While being guided by the inclined guide surface of the core pedestal, the pedestal main body and the core pedestal are joined together by being fitted into the groove of the core pedestal.
また、本発明は、コア台座の頂部に形成された傾斜案内面をテーパ面により構成すると共に、そのテーパの角度θを5°〜50°、台座本体に形成した突起の高さHを0.5mm〜3mmに設定したことを特徴とする。 Further, according to the present invention, the inclined guide surface formed on the top of the core pedestal is formed by a tapered surface, the taper angle θ is 5 ° to 50 °, and the height H of the protrusion formed on the pedestal body is 0. It is characterized by being set to 5 mm to 3 mm.
また、本発明は、コア台座の頂部に形成された傾斜案内面をR形状面により構成すると共に、そのR形状面のR寸法を0.3mm〜2mm、台座本体に形成した突起の高さHを0.5mm〜3mmに設定したことを特徴とする。 Further, according to the present invention, the inclined guide surface formed on the top of the core pedestal is constituted by an R-shaped surface, the R dimension of the R-shaped surface is 0.3 mm to 2 mm, and the height H of the protrusion formed on the pedestal body. Is set to 0.5 mm to 3 mm.
本発明の道路標識柱は、前記の如く、台座本体の頂部内径部に内側に向って突出する突起を設けると共に、コア台座の頂部に肩部を斜めに削り落した形の傾斜案内面とその傾斜案内面の下側に位置して前記台座本体の突起を嵌合させる溝を形成し、台座本体をコア台座に外嵌すると、台座本体の突起がコア台座の傾斜案内面と摺触して撓みながらコア台座の溝に嵌込んで台座本体とコア台座とを結合せしめるように構成したので、突起を溝の中に挿入しやすくすると共に、挿入完了後は突起と溝の内面との衝接により確実な抜け防止効果を発揮することができる。 As described above, the road sign post of the present invention is provided with a protrusion projecting inwardly at the top inner diameter portion of the pedestal main body, and an inclined guide surface having a shape in which the shoulder portion is cut off obliquely at the top portion of the core pedestal and its A groove is formed on the lower side of the inclined guide surface to fit the protrusion of the pedestal body. When the pedestal body is externally fitted to the core pedestal, the protrusion of the pedestal body comes into contact with the inclined guide surface of the core pedestal. Since it is configured to fit into the groove of the core pedestal while bending, the pedestal body and the core pedestal are joined, so that the protrusion can be easily inserted into the groove, and after the insertion is completed, the contact between the protrusion and the inner surface of the groove Thus, it is possible to exert a sure prevention effect.
以下、添付図面について本発明の具体的な実施例を説明する。
図8は、本発明を適用する道路標識柱の一実施例を示す分解図であって、1は復元弾性を有する標識柱本体、2は該標識柱本体の下端に一体成型されたコア台座、3は該コア台座を覆う台座本体、4はコア台座から下方に向けて突出されたボルト、5は底面プレート、6はウレタンワッシャ、7はワッシャ、8はナットを示し、図に示すように、台座本体3を標識柱本体1に通し、台座本体の内周面テーパ31とコア台座の外周面テーパ21とを適合させて台座本体3によりコア台座2を上方から覆い、しかる後、底面プレート5をボルト4に通してセットし、ウレタンワッシャ6、ワッシャ7、ナット8によりボルト4に固定して組付け、その台座本体3を接着剤により路面上に起立固定し、あるいはボルトにより着脱自在に路面上に起立固定し得るように構成されている。
Hereinafter, specific embodiments of the present invention will be described with reference to the accompanying drawings.
FIG. 8 is an exploded view showing an embodiment of a road sign post to which the present invention is applied, in which 1 is a sign post main body having restoring elasticity, 2 is a core pedestal integrally formed at the lower end of the sign post main body, 3 is a base body covering the core base, 4 is a bolt protruding downward from the core base, 5 is a bottom plate, 6 is a urethane washer, 7 is a washer, and 8 is a nut. The
なお、本発明に使用したコア台座の材質は注型用ポリウレタン、台座本体の材質は射出成型用ポリウレタンであって、その代表的な特性は下記表1および表2に示すとおりである。 The material of the core pedestal used in the present invention is casting polyurethane, and the material of the pedestal body is injection molding polyurethane. The typical characteristics are as shown in Tables 1 and 2 below.
本発明は、前記の如き道路標識柱において、台座本体とコア台座との間に凸部と凹部とを設けてその凹凸部を係合せしめるのであるが、その凹凸部を特有の構成となしたことを特徴とする。すなわち、本発明は図2に示すように、台座本体3の頂部円径部に内側に向って突出する突起32を設けると共に、コア台座2の頂部に肩部を斜めに削り落した形の傾斜案内面22とその傾斜案内面の下側に位置して前記突起を嵌合させる溝23を形成し、台座本体3をコア台座2に外嵌すると、台座本体の突起32がコア台座2の傾斜案内面と摺触して撓みながらコア台座の溝23に嵌入するように構成する。
In the road sign pillar as described above, the present invention provides a convex portion and a concave portion between the pedestal main body and the core pedestal to engage the concave and convex portions. It is characterized by that. That is, in the present invention, as shown in FIG. 2, the top circular diameter portion of the pedestal
本発明の道路標識柱は、前記の如く構成されているので、台座本体3をコア台座2に外嵌させて組付けると、セット中は図3のAに示すように、台座本体の突起32がコア台座の傾斜案内面22と摺触しながら撓み、あるいはそれと同時に溝23も変形して突起32を溝23にも挿入しやすくし、セット後は突起32が溝23中に嵌合し、突起32の頂面と溝23の下向き内面との衝接により確実な抜け止めを行う。なお、図2は、溝23の高さ方向と左右方向に遊びを設けて組付性を良好ならしめた実施例を示すもので、路面への設置時には突起32の頂面と溝23の下向き内面との間にその遊び寸法に基づく空隙がある。
Since the road sign pillar of the present invention is configured as described above, when the pedestal
図4はコア台座の傾斜案内面22をテーパ面により構成した実施例を示す要部断面図であって、そのテーパ面の角度と挿入性の良否との関係について検討した。その結果を示すと表3に示すとおりである。 FIG. 4 is a cross-sectional view of a principal part showing an embodiment in which the inclined guide surface 22 of the core pedestal is constituted by a tapered surface, and the relationship between the angle of the tapered surface and the insertability is examined. The results are shown in Table 3.
このように、傾斜案内面22をテーパ面により構成した場合には、5°〜50°の範囲内で良好な挿入性を示し、特に30°〜50°の範囲内が最も挿入しやすいことが判った。 As described above, when the inclined guide surface 22 is formed of a tapered surface, good insertability is exhibited within a range of 5 ° to 50 °, and insertion within the range of 30 ° to 50 ° is particularly easy. understood.
また、現在実用化されている高さ400mmないし800mm、台座本体の直径250mmの道路標識柱について突起の高さ寸法を検討したところ、突起の高さ寸法と挿入性の良否および抜け発生との間には下記表4に関係があることが判った。 In addition, when the height dimensions of the protrusions were examined for a road sign pillar having a height of 400 mm to 800 mm and a pedestal body diameter of 250 mm that is currently in practical use, Was found to be related to Table 4 below.
このように、突起の高さHは、0.5mm〜3mmの範囲内で挿入性および抜け防止性に効果があり、特に1mm〜3mmの範囲内で最も効果があることが判った。 Thus, it has been found that the height H of the protrusions is effective for the insertion property and the prevention of falling out within the range of 0.5 mm to 3 mm, and is particularly effective within the range of 1 mm to 3 mm.
従って、コア台座の傾斜面22をテーパ面により構成した場合の実用に適する範囲は、図5の斜線で囲まれた範囲内である。 Therefore, the range suitable for practical use in the case where the inclined surface 22 of the core pedestal is configured by a tapered surface is within the range surrounded by the oblique lines in FIG.
図6はコア台座の傾斜案内面22をR形状面により構成した実施例を示す要部断面図であって、そのR形状面のR寸法の違いと挿入性の良否との関係について検討した。その結果を示すと表5に示すとおりである。 FIG. 6 is a cross-sectional view of a main part showing an embodiment in which the inclined guide surface 22 of the core pedestal is formed of an R-shaped surface, and the relationship between the difference in the R dimension of the R-shaped surface and the insertability is examined. The results are shown in Table 5.
このように、R寸法が小さすぎると傾斜案内面としての機能を果すことができずに挿入することができないが、R0.3mm〜R0.5mmではきついけれども挿入可能であり、R1mm以上設けたほうが挿入しやすく、特に、突起よりR形状が内側に入るR2mmでは非常に良好な挿入性が得られた。 Thus, if the R dimension is too small, it cannot function as an inclined guide surface and cannot be inserted. However, it is possible to insert from R0.3 mm to R0.5 mm, but it is possible to insert it. It was easy to insert, and in particular, very good insertability was obtained at R2 mm where the R shape was inside the protrusion.
以上述べたように、本発明の道路標識柱は、標識柱本体の下端に結合されたコア台座とそのコア台座を上方から覆う台座本体とからなり、両者をテーパ結合させた状態で台座本体を路面上に起立設置すべくなした道路標識柱において、台座本体の内径部に内側に向って突出する突起を設けると共に、コア台座の頂部に肩部を斜めに削り落した形の傾斜案内面とその傾斜案内面の下側に位置して前記台座本体の突起を嵌合させる溝を形成し、台座本体をコア台座に外嵌すると、台座本体の突起がコア台座の傾斜案内面に案内されながらコア台座の溝に嵌入して台座本体とコア台座とを結合せしめるように構成したので、突起を溝の中に挿入しやすくすると共に、挿入完了後は突起と溝の内面との衝接により確実な抜け止め防止効果を発揮することができる。 As described above, the road sign pillar of the present invention is composed of the core pedestal coupled to the lower end of the sign pillar main body and the pedestal main body that covers the core pedestal from above. In a road sign post that is intended to stand upright on the road surface, a protrusion projecting inwardly is provided on the inner diameter portion of the pedestal main body, and an inclined guide surface in which the shoulder portion is cut off obliquely on the top of the core pedestal; A groove for fitting the protrusion of the pedestal body is formed below the inclined guide surface, and when the pedestal body is externally fitted to the core pedestal, the protrusion of the pedestal body is guided by the inclined guide surface of the core pedestal. It is configured to fit into the groove of the core pedestal and join the pedestal body and core pedestal so that the protrusion can be easily inserted into the groove, and after the insertion is completed, the protrusion and the inner surface of the groove are securely contacted. It is effective to prevent Can.
1・・・標識柱本体、2・・・コア台座、21・・・外周面テーパ、22・・・傾斜案内面、23・・・溝、3・・・台座本体、31・・・内周面テーパ、32・・・突起、4・・・ボルト、5・・・底面プレート、6・・・ウレタンワッシャ、7・・・ワッシャ、8・・・ナット。
DESCRIPTION OF
Claims (3)
The inclined guide surface formed on the top of the core pedestal is composed of an R-shaped surface, the R dimension of the R-shaped surface is 0.3 mm to 2 mm, and the height H of the protrusion formed on the pedestal body is 0.5 mm to 3 mm. The road sign post according to claim 1, wherein
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JP2003290577A JP4092269B2 (en) | 2003-08-08 | 2003-08-08 | Road sign pillar |
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JP2003290577A JP4092269B2 (en) | 2003-08-08 | 2003-08-08 | Road sign pillar |
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JP2005060983A JP2005060983A (en) | 2005-03-10 |
JP4092269B2 true JP4092269B2 (en) | 2008-05-28 |
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JP2003290577A Expired - Fee Related JP4092269B2 (en) | 2003-08-08 | 2003-08-08 | Road sign pillar |
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