JP2009209622A - Rain chain - Google Patents

Rain chain Download PDF

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JP2009209622A
JP2009209622A JP2008055249A JP2008055249A JP2009209622A JP 2009209622 A JP2009209622 A JP 2009209622A JP 2008055249 A JP2008055249 A JP 2008055249A JP 2008055249 A JP2008055249 A JP 2008055249A JP 2009209622 A JP2009209622 A JP 2009209622A
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chain
spiral
rainwater
flow
opening
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JP2009209622A5 (en
JP4466748B2 (en
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Satoru Saito
哲 齊藤
Naoto Hikino
直人 引野
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Panasonic Electric Works Co Ltd
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Panasonic Electric Works Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a rain chain which increases the degree of freedom of an apparent shape of a chain element by presenting the state of making rainwater flow down in a spirally-swirling manner while preventing the scattering of the rainwater, and enabling the diameter of a lower opening to be set not only smaller than but also almost equal to that of an upper opening. <P>SOLUTION: In this rain chain 2, the plurality of rain chain elements 1 are vertically arranged. In the rain chain element 1, a spiral rainwater channel 7, through which the rainwater flowing in from the upper opening 3 flows down as a spiral flow from the lower opening 4, is provided in a tubular body 5 which is equipped with the upper and lower openings 3 and 4. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、複数の鎖樋素体を上下方向に配設し、軒樋から排水される雨水を鎖樋素体を伝って流下させるようにした鎖樋に関するものである。   The present invention relates to a chain rod in which a plurality of chain rods are arranged in the vertical direction so that rainwater drained from the eaves can flow down along the chain rods.

従来より、軒樋から排水される雨水を鎖樋素体を伝って流下させるようにした鎖樋が特許文献1により知られている。   Conventionally, Japanese Patent Application Laid-Open No. 2004-133867 discloses a chain rod that allows rainwater drained from an eave wall to flow down along a chain element.

この特許文献1に示された従来例にあっては、上下に開口した円錐台形状の外観をした筒状の鎖樋素体を繋ぎ部で上下に繋いだもので、筒状の鎖樋素体の下開口から流下する雨水を、下の筒状の鎖樋素体の上開口に流すようにしたもので、上下の筒状の鎖樋素体の間を下に流下する雨水の流れる様子を見せることで、一般の縦樋にはない趣のあるものとすることができるという特徴を有しているが、上の筒状の鎖樋素体の下開口から下方に流下する雨水が飛散して下の筒状の鎖樋素体の上開口にうまく流れない場合があり、特に、風が吹いている場合など自重で流下するだけの雨水は上下の鎖樋素体間の隙間部分で外部に飛散するという問題がある。   In the conventional example shown in Patent Document 1, a cylindrical chain element having a truncated cone shape opened up and down is connected vertically by a connecting portion. Rain water flowing from the lower opening of the body flows to the upper opening of the lower cylindrical chain element, and the rain water flows downward between the upper and lower cylindrical chain elements However, rainwater that flows down from the lower opening of the upper cylindrical chain element scatters. However, rainwater that only flows under its own weight, such as when wind is blowing, may not flow well into the upper opening of the lower cylindrical chain element. There is a problem of scattering outside.

この上の筒状の鎖樋素体の下開口から下方に流下する雨水が飛散をできるだけ抑制するため上記従来例にあっては筒状の鎖樋素体の下開口を上開口よりも小径として下開口から下方に流下する雨水をできるだけ絞り、上下の鎖樋素体間で飛散した雨水を下の鎖樋素体の径の大きい上開口で受けることができるようにしているが、依然として飛散し易いことには変わりは無く、径の大きい上開口で十分受けることが出来ない場合があり、特に、風が吹いた場合には飛散を防止することはできない。   In this conventional example, the lower opening of the cylindrical chain element is made smaller in diameter than the upper opening in order to suppress the scattering of rainwater flowing downward from the lower opening of the upper cylindrical chain element as much as possible. The rainwater flowing downward from the lower opening is throttled as much as possible, and the rainwater scattered between the upper and lower chain elements can be received by the upper opening with the larger diameter of the lower chain element, but still scattered. There is no change in being easy, and there is a case where it cannot be sufficiently received by an upper opening having a large diameter. In particular, when wind blows, scattering cannot be prevented.

また、上記従来例では、筒状の鎖樋素体の下開口を上開口よりも小径として下開口とする円錐台形状の外観のものに現限され、外観形状に制約がある。
実開平5−7825号公報
Moreover, in the said prior art example, it is limited to the thing of the truncated cone-shaped external appearance which makes the lower opening of a cylindrical chain rod body a smaller diameter than an upper opening, and there exists a restriction | limiting in an external shape.
Japanese Utility Model Publication No. 5-7825

本発明は上記の従来の問題点に鑑みて発明したものであって、雨水の飛散を防止しながら螺旋状に渦を巻きながら雨水が流下する様子を見せることができ、また、下開口を上開口よりも小径とする場合はもちろんほぼ同径とすることも可能で、鎖素体の外観形状の自由度が増す鎖樋を提供することを課題とするものである。   The present invention has been invented in view of the above-described conventional problems, and can show a state in which rainwater flows down while spirally swirling while preventing the rainwater from scattering, and the lower opening is raised above. Of course, when the diameter is smaller than the opening, it is possible to make the diameter almost the same, and it is an object of the present invention to provide a chain rod that increases the degree of freedom of the external shape of the chain element.

上記課題を解決するために本発明に係る鎖樋は、複数の鎖樋素体1を上下方向に配設した鎖樋2であって、上開口部3と下開口部4とを備えた筒体5内に、該上開口部3から流入した雨水を螺旋流として下開口部4から流下させるための螺旋状の雨水流路7を設けて鎖樋素体1を構成して成ることを特徴とするものである。   In order to solve the above-mentioned problem, the chain rod according to the present invention is a chain rod 2 in which a plurality of chain rod bodies 1 are arranged in the vertical direction, and a cylinder having an upper opening 3 and a lower opening 4. The chain 5 is configured by providing a spiral rainwater flow path 7 for allowing rainwater flowing in from the upper opening 3 to flow down from the lower opening 4 in the body 5 as a spiral flow. It is what.

このような構成とすることで、鎖樋素体1の上開口部3から流入した雨水は、筒体5内に設けた螺旋状の雨水流路7に沿って螺旋状に渦を巻くように流れ、下開口部4から螺旋流となって下方に流下し、この雨水の螺旋流が下の鎖樋素体1の上開口部3に流れ込むものである。このように螺旋流となって流下するので、鎖樋素体1の下開口部4と下の鎖樋素体1の上開口部3との間で飛散し難くなる。また、従来の鎖樋2は真っ直ぐ流下する水の流れを見せるものであったが、本発明においては、従来の鎖樋2では得られなかった螺旋を描きながら流れる螺旋流を見せることができる。   By adopting such a configuration, the rainwater flowing from the upper opening 3 of the chain element 1 is spirally spiraled along the spiral rainwater flow path 7 provided in the cylindrical body 5. A spiral flow from the lower opening 4 flows downward, and this rainwater spiral flow flows into the upper opening 3 of the lower chain element 1. Since it flows down as a spiral flow in this way, it is difficult to scatter between the lower opening 4 of the chain element 1 and the upper opening 3 of the lower chain element 1. Further, the conventional chain ridge 2 shows a flow of water flowing down straight, but in the present invention, it is possible to show a flowing spiral flow while drawing a spiral that could not be obtained with the conventional chain ridge 2.

また、筒体5内に中心軸回りに螺旋状をした螺旋板部6を設けて螺旋状の雨水流路7を形成することが好ましい。このような構成とすることで、中心軸回りに螺旋状に設けた螺旋板部6に沿って雨水が流れることで、雨水は筒体5の中心軸回りに回転しながら流下する螺旋流となり、上の鎖樋素体1の下開口部4から中心軸回りに流下する螺旋流が、下の鎖樋素体1の上開口部3から中心軸回りに流下することになって、より飛散が防止できることになる。   Further, it is preferable to form a spiral rainwater flow path 7 by providing a spiral plate portion 6 having a spiral shape around the central axis in the cylindrical body 5. By having such a configuration, the rainwater flows along the spiral plate portion 6 provided in a spiral shape around the central axis, so that the rainwater flows down while rotating around the central axis of the cylindrical body 5, The spiral flow that flows down from the lower opening 4 of the upper chain element 1 around the central axis flows down from the upper opening 3 of the lower chain element 1 around the central axis, and thus more scattering occurs. It can be prevented.

本発明は、上記のように上開口から流入した雨水を螺旋流として下開口から流下させるための螺旋状の雨水流路を設けてあるので、下開口から流下する雨水が螺旋流となり、雨水の飛散を防止することができ、また、雨水が螺旋流となって流下する様子を見せることができるので、従来の鎖樋においては見せることができなかった、新しい雨水の流下状態を現出して見せることができ、更に、螺旋流という流れの形態により飛散防止効果があるので、下開口を上開口よりも小径とする場合はもちろんほぼ同径とすることも可能で、鎖素体の外観形状の自由度が増すものである。   Since the present invention is provided with a spiral rainwater flow path for flowing rainwater flowing in from the upper opening as a spiral flow from the lower opening as described above, the rainwater flowing from the lower opening becomes a spiral flow. It can prevent splashing, and can show how rainwater flows down in a spiral flow, so it shows a new rainwater flow that could not be shown in the traditional chain. In addition, since the spiral flow has a flow prevention effect, it can of course have the same diameter when the lower opening is made smaller than the upper opening. The degree of freedom increases.

以下、本発明を添付図面に示す実施形態に基いて説明する。   Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings.

本発明の鎖樋2は複数の鎖樋素体1を上下方向に隙間11を介して配設したものであり、上端を軒樋に接続して軒樋から流下する雨水を鎖樋素体1を伝って次々と流下させるようにするためのものである。   The chain rod 2 of the present invention has a plurality of chain rod bodies 1 arranged in the vertical direction via gaps 11, and rainwater flowing down from the eave rods with the upper ends connected to the eave rods 1 It is intended to make it flow down one after another.

上下に配設した鎖樋素体1は相互に回転できないようになっており、図1乃至図3に示す実施形態では、ワイヤーや棒材のように上下方向に長い線状材8に鎖樋素体1を上下方向に複数それぞれ取付けてあり、この場合、鎖樋素体1は線状材8に対して回転しないように取付ける。   The chain elements 1 arranged in the vertical direction cannot be rotated with each other. In the embodiment shown in FIGS. 1 to 3, the linear chain 8 that is long in the vertical direction such as a wire or a bar is used. A plurality of element bodies 1 are respectively attached in the vertical direction. In this case, the chain element body 1 is attached so as not to rotate with respect to the linear material 8.

鎖樋素体1は、筒体5内に螺旋状に螺旋板部6を中心軸部9周りに設けることで螺旋状の雨水流路7が構成してあり、螺旋板部6の内周縁及び外周縁はそれぞれ中心軸部9及び筒体5内面に当接又は固着又は一体化してある。   The chain element 1 has a spiral rainwater flow path 7 formed by providing a spiral plate portion 6 around the central shaft portion 9 spirally in a cylindrical body 5. The outer peripheral edges are in contact with, fixed to, or integrated with the central shaft portion 9 and the inner surface of the cylindrical body 5, respectively.

本実施形態は筒状をした鎖樋素体1の筒体5の上開口部3から鎖樋素体1内に雨水が流入すると、雨水は中心軸部9周りに形成した螺旋状をした螺旋板部6の傾斜面に当って螺旋板部6上を螺旋流となって流下し、筒体5の下開口部4から下方に螺旋流イとなって流下し、隙間11を介して下に位置する別の鎖樋素体1の筒体5の上開口部3内に流下する。   In the present embodiment, when rainwater flows into the chain body 1 from the upper opening 3 of the tubular body 5 of the cylindrical body 1, the rainwater is formed in the spiral shape formed around the central shaft portion 9. It hits the inclined surface of the plate part 6 and flows down as a spiral flow on the spiral plate part 6, and flows down as a spiral flow a downward from the lower opening 4 of the cylindrical body 5, and goes down through the gap 11. It flows down into the upper opening 3 of the cylinder 5 of another chain element 1 located.

同様にして下の鎖樋素体1の筒体5内を螺旋板部6に沿って螺旋流となって流下し、該下の鎖樋素体1の筒体5の下端開口4から螺旋流イとなって流下し、隙間11を介して更に下に位置する別の鎖樋素体1の筒体5の上開口部3内に流下する。   Similarly, a spiral flow flows along the spiral plate portion 6 in the cylindrical body 5 of the lower chain element 1, and spiral flow from the lower end opening 4 of the cylindrical body 5 of the lower chain element 1. Then, it flows down into the upper opening 3 of the cylindrical body 5 of another chain element body 1 located further below through the gap 11.

このように本発明にあっては、このように雨水が鎖樋素体1間の隙間11を、螺旋流イとなって流下するので、上の鎖樋素体1の下開口部4から流下した雨水が飛散しにくく、下の鎖樋素体1の上開口部3内に確実に流下することになる。   As described above, in the present invention, rainwater flows down the gap 11 between the chain rod bodies 1 as a spiral flow a, and thus flows down from the lower opening 4 of the upper chain rod body 1. Therefore, the rainwater is not easily scattered and flows down into the upper opening 3 of the lower chain element 1 surely.

また、また、従来の鎖樋2は真っ直ぐ流下する水の流れを見せるものであったが、本発明においては、従来の鎖樋2では得られなかった螺旋を描きながら流れる螺旋流イを見せることができる。   In addition, the conventional chain rod 2 shows a flow of water flowing down straight, but in the present invention, the spiral flow i flowing while drawing a spiral that could not be obtained with the conventional chain rod 2 is shown. Can do.

ここで、図5の実施形態のように、図6に示す螺旋板部6の傾斜角度が緩い鎖樋素体1と、図3に示す螺旋板部6の傾斜角度が急となった鎖樋素体1とを上下方向に混在させると、雨水の螺旋流の速さが異なり、したがって、上下方向において鎖樋素体1間の隙間11を速い流れの螺旋流ロと、遅い流れの螺旋流ハとが上下方向に混在する鎖樋2を提供できる。   Here, as in the embodiment of FIG. 5, the chain element 1 having a gentle inclination angle of the spiral plate portion 6 shown in FIG. 6 and the chain rod having a steep inclination angle of the spiral plate portion 6 shown in FIG. When the element body 1 is mixed in the vertical direction, the speed of the rainwater spiral flow is different. Therefore, in the vertical direction, the gap 11 between the chain rod elements 1 has a fast flow spiral flow and a slow flow spiral flow. It is possible to provide a chain 2 in which c is mixed in the vertical direction.

また、図7、図8のように螺旋板部6の螺旋の巻き方向が異なる鎖樋素体を上下に複数混在させて鎖樋2を形成してもよく、この場合は、雨水の螺旋流の回転する方向が異なり、したがって、上下方向において鎖樋素体1間の隙間11を一方向に回転する螺旋流ニと、逆方向に回転する螺旋流ホとが上下方向に混在する鎖樋2を提供できる。   Further, as shown in FIG. 7 and FIG. 8, a chain rod 2 may be formed by mixing a plurality of chain rods having different spiral winding directions of the spiral plate portion 6 up and down, and in this case, the spiral flow of rainwater Therefore, the spiral rod 2 in which the spiral flow 2 rotating in one direction through the gap 11 between the chain rod bodies 1 in the vertical direction and the spiral flow ho rotating in the opposite direction are mixed in the vertical direction. Can provide.

また、この図7、図8の実施形態のように、螺旋板部6の傾斜角度が緩く且つ螺旋方向が一方向となった鎖樋素体1と、螺旋板部6の傾斜角度が急となり且つ螺旋方向が逆方向となった鎖樋素体1とを上下方向に混在させると、雨水の螺旋流の速さと回転方向が異なり、したがって、上下方向において鎖樋素体1間の隙間11を速度及び回転方向が異なる螺旋流が上下方向に混在する鎖樋2を提供できる。   Further, as in the embodiment of FIGS. 7 and 8, the chain element 1 in which the inclination angle of the spiral plate portion 6 is loose and the spiral direction is one direction, and the inclination angle of the spiral plate portion 6 becomes steep. When the chain elements 1 whose spiral directions are opposite to each other are mixed in the vertical direction, the speed and rotation direction of the spiral flow of rainwater differ, and therefore the gap 11 between the chain elements 1 in the vertical direction. It is possible to provide a chain 2 in which spiral flows having different speeds and rotational directions are mixed in the vertical direction.

上記例においては、ワイヤーや棒材のように上下方向に長い線状材8に複数の鎖樋素体1を回転しないように取付けてく鎖樋2を形成したが、図9乃至図11に示すように、筒体5内に雨水流路7を設けた鎖樋素体1の上下にそれぞれ繋ぎ部10を設けて、上下の鎖樋素体1を繋ぎ部6で鎖樋2をお互いに回転しないように繋いで鎖樋2を構成するようにしてもよい。   In the above example, a chain rod 2 is formed by attaching a plurality of chain rod bodies 1 to a linear member 8 that is long in the vertical direction, such as a wire or a bar, so as not to rotate. In this way, connecting portions 10 are respectively provided above and below the chain rod body 1 provided with the rainwater flow path 7 in the cylindrical body 5, and the upper and lower chain rod bodies 1 are connected to each other and the chain rod 2 is rotated by the connecting portion 6. You may make it comprise the chain 2 by connecting so that it may not.

また、前述の実施形態は、鎖樋素体1の主体を構成する筒体5としては図1のように上開口部3よりも、下開口部4を小径とし、小径の下開口部4から螺旋流イとなって流下する雨水を下の鎖樋素体1の大径の上開口部3内に流入させるようにすることでよりいっそう下開口部4から流下する雨水の飛散を抑制するようになっているが、本発明においては下開口部4から螺旋流となって流れて、中心側に雨水が集まるような力が作用しながら流下するので、下開口部4と上開口部5とを同径形又はほぼ同径としても、下開口部4から流下した雨水を、螺旋流により飛散を抑制しながら上開口部3に流し込むことができ、したがって、例えば、筒体5として上下方向に同径又はほぼ同径をしたものでも可能となり、鎖素体1の外観形状の自由度が増し、設計の自由度が増す。   In the above-described embodiment, the cylindrical body 5 constituting the main body of the chain element 1 has a lower opening 4 smaller than the upper opening 3 as shown in FIG. The rainwater flowing down as a spiral flow a is allowed to flow into the large-diameter upper opening 3 of the lower chain rod body 1 so as to further suppress scattering of rainwater flowing from the lower opening 4. However, in the present invention, it flows as a spiral flow from the lower opening 4 and flows down while acting such that rainwater collects on the center side, so the lower opening 4 and the upper opening 5 The rainwater flowing down from the lower opening 4 can be poured into the upper opening 3 while suppressing scattering by the spiral flow, and therefore, for example, as the cylinder 5 in the vertical direction It is possible to have the same diameter or almost the same diameter, and the degree of freedom of the outer shape of the chain element 1 Increases, the degree of freedom in design is increased.

なお、上記各実施形態においては筒体5内に中心軸部9を設けて螺旋状に螺旋板部6を該中心軸部9周りに設けた例を示したが、中心軸部9がなく、筒体5の仮想の中心軸回りに螺旋を描くように螺旋板部6を形成してもよい。   In each of the above embodiments, the central shaft portion 9 is provided in the cylindrical body 5 and the spiral plate portion 6 is spirally provided around the central shaft portion 9. However, there is no central shaft portion 9, The spiral plate portion 6 may be formed so as to draw a spiral around the virtual central axis of the cylindrical body 5.

中心軸部9回りに螺旋を描くように螺旋板状部6を形成した場合、中心軸部9がなく仮想の中心軸回りに螺旋を描くように螺旋板状部6を形成した場合のいずれにおいても、中心軸回りに螺旋状に設けた螺旋板部6に沿って雨水が流れることで、雨水は筒体5の中心軸回りに回転しながら流下する螺旋流となり、上の鎖樋素体1の下開口部4から中心軸回りに流下する螺旋流が、下の鎖樋素体1の上開口部3から中心軸回りに流下することになって、より飛散が防止できる。   In the case where the spiral plate-like portion 6 is formed so as to draw a spiral around the central shaft portion 9, the spiral plate-like portion 6 is formed so as to draw a spiral around the virtual central axis without the central shaft portion 9. However, when rainwater flows along the spiral plate portion 6 provided spirally around the central axis, the rainwater turns into a spiral flow that flows around the central axis of the cylindrical body 5, and the upper chain element 1 The spiral flow that flows down from the lower opening 4 around the central axis flows down from the upper opening 3 of the lower chain element 1 around the central axis, so that scattering can be further prevented.

また、上記いずれの実施形態においても、筒体5の全部又は一部を透明とすることで、筒体5内を雨水が雨水流路6に沿って螺旋流となって流れる様子も外部から見ることができるようになる。   In any of the above-described embodiments, the entire or a part of the cylinder 5 is transparent so that rainwater flows in the cylinder 5 along the rainwater flow path 6 as a spiral flow. Will be able to.

本発明の一実施形態の鎖樋の正面図である。It is a front view of the chain rod of one Embodiment of this invention. 同上の断面図である。It is sectional drawing same as the above. 同上に用いる鎖樋素体を示し、(a)は平面図であり、(b)は斜視図であり、(c)は一部破断した斜視図である。The chain rod body used for the above is shown, (a) is a plan view, (b) is a perspective view, and (c) is a partially broken perspective view. 本発明の他の実施形態の鎖樋の正面図である。It is a front view of the chain rod of other embodiment of this invention. 同上の断面図である。It is sectional drawing same as the above. 同上に用いる鎖樋素体の他の例を示し、(a)は平面図であり、(b)は斜視図であり、(c)は断面図である。The other example of the chain | strand silicon body used for the same as the above is shown, (a) is a top view, (b) is a perspective view, (c) is sectional drawing. 本発明の更に他の実施形態の鎖樋の正面図である。It is a front view of the chain rod of further another embodiment of this invention. 同上の断面図である。It is sectional drawing same as the above. 本発明の更に他の実施形態の鎖樋の正面図であるIt is a front view of the chain rod of further another embodiment of this invention. 同上の断面図である。It is sectional drawing same as the above. 同上に用いる鎖樋素体を示す斜視図である。It is a perspective view which shows the chain rod body used for the same as the above.

符号の説明Explanation of symbols

1 鎖樋素体
2 鎖樋
3 上開口部
4 下開口部
5 筒体
6 螺旋板部
7 雨水流路
DESCRIPTION OF SYMBOLS 1 Chain rod body 2 Chain rod 3 Upper opening part 4 Lower opening part 5 Cylindrical body 6 Spiral plate part 7 Rainwater flow path

Claims (2)

複数の鎖樋素体を上下方向に配設した鎖樋であって、上開口と下開口とを備えた筒体内に、該上開口から流入した雨水を螺旋流として下開口から流下させるための螺旋状の雨水流路を設けて鎖樋素体を構成して成ることを特徴とする鎖樋。   A chain rod in which a plurality of chain rods are arranged in the vertical direction for flowing rainwater flowing from the upper opening into the cylinder having the upper opening and the lower opening as a spiral flow from the lower opening. A chain rod comprising a spiral rod body provided with a spiral rainwater flow path. 筒体内に中心軸回りに螺旋状をした螺旋板部を設けて螺旋状の雨水流路を形成して成ることを特徴とする請求項1記載の鎖樋。

2. The chain rod according to claim 1, wherein a spiral rainwater channel is formed by providing a spiral plate portion spiraling around the central axis in the cylinder.

JP2008055249A 2008-03-05 2008-03-05 Chain Expired - Fee Related JP4466748B2 (en)

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JP2009209622A5 JP2009209622A5 (en) 2009-12-03
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110565783A (en) * 2019-09-29 2019-12-13 南昌大学 Centrifugal type anti-blocking rainwater inlet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110565783A (en) * 2019-09-29 2019-12-13 南昌大学 Centrifugal type anti-blocking rainwater inlet

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JP4466748B2 (en) 2010-05-26

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