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JP3889509B2 - Piping structure for fluid distribution - Google Patents
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JP3889509B2 - Piping structure for fluid distribution - Google Patents

Piping structure for fluid distribution Download PDF

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Publication number
JP3889509B2
JP3889509B2 JP13145898A JP13145898A JP3889509B2 JP 3889509 B2 JP3889509 B2 JP 3889509B2 JP 13145898 A JP13145898 A JP 13145898A JP 13145898 A JP13145898 A JP 13145898A JP 3889509 B2 JP3889509 B2 JP 3889509B2
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Japan
Prior art keywords
pipe
block body
piping structure
connecting pipe
fluid distribution
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Japanese (ja)
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JPH11301794A (en
Inventor
央欣 目瀬
久敏 赤本
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Fujikin Inc
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Fujikin Inc
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Description

【0001】
【発明の属する技術分野】
本発明は流体分配用配管構造に係り、その目的は取り付けスペースが小さくすることができるとともに、メンテネンス性に優れ、しかも配管に互換性を持たせることが可能な流体分配用配管構造を提供することにある。
【0002】
【従来の技術】
ドリンク剤、ジュース、ミネラルウォーター等の飲料用液体や、目薬、飲み薬等の液状薬剤の製造工場においては、これらの液体をガラスやプラスチック等からなる容器に充填する作業が行われており、液体を容器内に充填する作業工程では、1本の配管内を流れてきた液体を均等に分配して複数のノズルから取り出すことが必要となる。
従来、このような流体分配用の配管構造としては、図7及び図8に示すような配管構造が使用されていた。尚、図8は図7の一部切り欠き側面図である。
【0003】
この配管構造は、主流路(A)と該主流路(A)から分岐して下方に延出された複数の分岐路(B)を備えたブロック体(C)と、このブロック体(C)の分岐路(B)端に接続された流量調整バルブ(D)と、この流量調整バルブ(D)と接続され先端にノズル(E)を備えた接続管(F)と、該接続管(F)を挿通させて等間隔で保持するブロック体(G)とからなり、主流路(A)を流れる液体を分岐路(B)にて分岐させ、各分岐路(B)を流れる流量が均等になるように流量調整バルブ(D)により調整し、ノズル(E)から容器内に注入するように構成されている。
【0004】
【発明が解決しようとする課題】
しかしながら、上記したような従来の配管構造には以下に述べるような様々な課題が存在していた。
飲料用液体や液状薬剤の製造工場において、製造効率を上げるためには、容器同士の間隔をなるだけ狭くして一度にできるだけ数多くの容器に液体を注入できるようにする必要があり、そのためには容器同士の間隔に合わせてノズル(E)の間隔も狭くしなければならない。
ところが、分岐路(B)同士の間隔は少なくとも流量調整バルブ(D)のアクチュエーター同士が接触しない程度離間させなければならないため、分岐路(B)の数が多くなると配管が占めるスペースが大きくなっていた。
【0005】
また、ノズル(E)間隔を狭くするためには、図7示の如く中央部以外の接続管(F)を湾曲させる必要があるが、それぞれの接続管(F)の湾曲が一定でないため互換性に乏しく、特に分岐路(B)の数が多い場合には湾曲の異なる多数の接続管(F)を用意しなければならなかった。
更には、ノズル(E)が接続管(F)と一体となってブロック体(G)に挿通されているので、例えばノズル(E)のみを交換したい場合であっても、接続管(F)全体をブロック体(G)から抜いて交換しなければならず、作業性が非常に悪かった。
また、接続管(F)の湾曲は取り付け位置によってそれぞれ異なるが、ノズル(E)の先端は揃えなければならないため、それぞれの接続管(F)の長さを非常に厳密に設定する必要があった。
【0006】
【課題を解決するための手段】
本発明は、上記したような従来の流体分配用配管構造が抱える課題を解決するためになされたものであって、請求項1に係る発明は、内部を横断して形成された主流路と該主流路から分岐する複数の分岐路を備え下面に該分岐路の出口となる開口部が略等間隔に形成された分配用ブロック体と、該分配用ブロック体のそれぞれの開口部に接続された上流側接続管と、該上流側接続管と流量調整バルブを介して接続され下端にノズルが形成された下流側接続管と、該下流側接続管が挿通される貫通孔が略等間隔に形成された位置決め用ブロック体とから構成されてなる配管構造であって、前記流量調整バルブのアクチュエータが互いに干渉しないように上流側と下流側に交互に位置をずらして配設され、前記開口部からノズル先端までの配管が略直線状且つ互いに平行とされてなることを特徴とする流体分配用配管構造に関する。
【0007】
請求項2に係る発明は、前記下流側接続管が流量調整バルブと接続される上部管とノズルを有する下部管の二部材とされ、該上部管は位置決め用ブロック体に対して一体的に固定され且つ下部管は固定部材により位置決め用ブロック体に対して着脱可能に取り付けられてなることを特徴とする請求項1記載の流体分配用配管構造に関する。
請求項3に係る発明は、前記下流側接続管が流量調整バルブと接続される上部管とノズルを有する下部管の二部材とされ、これら上部管と下部管は共に固定部材により位置決め用ブロック体に対して着脱可能に取り付けられてなることを特徴とする請求項1記載の流体分配用配管構造に関する。
請求項4に係る発明は、前記上流側接続管と流量調整バルブと下流側接続管の上部管が一体不可分とされてなるとともに、上流側接続管が固定部材により分配用ブロック体の開口部に対して着脱可能に取り付けられてなることを特徴とする請求項3記載の流体分配用配管構造に関する。
【0008】
【発明の実施の形態】
以下、本発明に係る流体分配用配管構造の好適な実施形態について図面に基づき説明する。
図1は本発明に係る流体分配用配管構造の第一実施形態を示す正面図であり、図2はその一部切り欠き側面図である。
本発明に係る流体分配用配管構造は、分配用ブロック体(1)と上流側接続管(2)と流量調整バルブ(3)と下流側接続管(4)と位置決め用ブロック体(5)とを主要構成とする。
【0009】
分配用ブロック体(1)は、内部を横断して形成された主流路(11)とこの主流路(11)から分岐する複数の分岐路(12)を備えている。そして、下面には分岐路(12)の出口となる開口部(13)が略等間隔に形成され、これらの開口部(13)にそれぞれ上流側接続管(2)が溶接により接続固定されている。
【0010】
上流側接続管(2)の下端は、袋ナット(6)を介して流量調整バルブ(3)の入口流路と接続されており、流量調整バルブ(3)の出口流路には下流側接続管(4)が袋ナット(6)を介して接続されている。
上流側接続管(2)と下流側接続管(4)は共に2種類の長さの管からなり、長管と短管とが交互になるように、即ち隣り合う接続管の長さが異なるように取り付けられている。
この長管と短管の長さは、図1示の如く隣り合う流量調整バルブ(3)のアクチュエータ(31)が互いに干渉しないように設定され、これにより開口部(13)からノズル(4a)先端までの配管が略直線状に且つ互いに平行になっている。
【0011】
下流側接続管(4)は、流量調整バルブ(3)と接続された上部管(41)とノズル(4a)及びフランジ部(4b)を有する下部管(42)の二部材から構成されている。
上部管(41)は位置決め用ブロック体(5)に対して溶接により一体的に固定され、下部管(42)は固定部材(7)により位置決め用ブロック体(5)に対して着脱可能に取り付けられている。
【0012】
固定部材(7)は、図2に示す如くナット部(71)と雄ねじ部(72)と貫通孔(73)を備えている。また、位置決め用ブロック体(5)には段付き貫通孔が形成されており、この段付き貫通孔の大径部には上記雄ねじ部(72)と螺合可能な雌ねじ部(51)が形成されている。
下部管(42)を位置決め用ブロック体(5)に固定する際には、先ず下部管(42)をフランジ部(4b)が貫通孔(73)の段部に当接するまで挿入する。このとき、当接面には図示の如く液漏れ防止用のパッキン(8)を介装する。次いで固定部材(7)の貫通孔(73)に下部管(42)を挿通させ、最後に固定部材(7)の雄ねじ部(72)を位置決め用ブロック体(5)の雌ねじ部(51)に螺合する。
【0013】
上記構成からなる流体分配用配管構造によれば、流量調整バルブ(3)のアクチュエータ(31)が互いに干渉しないように上流側と下流側に交互に位置をずらして配設されているため、下流側接続管(4)を湾曲させずともノズル(4a)の間隔を狭くすることが可能となる。
また、下流側接続管(4)が上部管(41)と下部管(42)の二部材とされ、下部管(42)が固定部材(7)により位置決め用ブロック体(5)に対して着脱可能とされているため、メンテナンス等の際にノズル(4a)を有する下部管(42)のみを取り外すことができ、作業性に優れる。
【0014】
図3は本発明に係る流体分配用配管構造の第二実施形態を示す正面図であり、図4はその一部切り欠き側面図である。
第二実施形態に係る配管構造が上記第一実施形態と異なる点は、下流側接続管(4)の下部管(42)だけでなく上部管(41)についても固定部材(7)により位置決め用ブロック体(5)に対して着脱可能に取り付けられている点である。尚、ここで述べる固定部材(7)は上記第一実施形態で説明したものと同じである。
【0015】
具体的には、上部管(41)の下端部にフランジ部(4c)を形成し、位置決め用ブロック体(5)の貫通孔をこのフランジ部(4c)を挿入可能に形成するとともにこの貫通孔に固定部材(7)の雄ねじ部(72)と螺合可能な雌ねじ部(51)を形成する。
そして、位置決め用ブロック体(5)の貫通孔の上端側から上部管(41)のフランジ部(4c)を挿入し、固定部材(7)の貫通孔(73)に上部管(41)を挿通させ、固定部材(7)の雄ねじ部(72)を位置決め用ブロック体(5)の雌ねじ部(51)に螺合することにより、上部管(41)を位置決め用ブロック体(5)に対して着脱自在に取り付ける。次いで、下部管(42)を位置決め用ブロック体(5)の貫通孔の下端側から挿入し、上記第一実施形態で説明した方法により位置決め用ブロック体(5)に対して着脱自在に取り付ける。尚、このとき、上部管(41)と下部管(42)との当接面には図示の如くパッキン(8)を介装する。
【0016】
上記第二実施形態に係る流体分配用配管構造によれば、下流側接続管(4)が上部管(41)と下部管(42)の二部材とされ、上部管(41)と下部管(42)が共に固定部材(7)により位置決め用ブロック体(5)に対して着脱可能とされているため、メンテナンス等の際に、上部管(41)のみ、或いは下部管(42)のみを取り外すことが可能であり、作業性に優れたものとなる。
【0017】
図5は本発明に係る流体分配用配管構造の第三実施形態を示す正面図であり、図6はその一部切り欠き側面図である。
第三実施形態に係る配管構造が上記第二実施形態と異なる点は、上流側接続管(2)と流量調整バルブ(3)と下流側接続管の上部管(41)が溶接により一体不可分に接続されている点と、上流側接続管(2)が固定部材(7)により分配用ブロック体(1)の開口部(13)に対して着脱可能に取り付けられている点である。尚、ここで述べる固定部材(7)も上記第一実施形態で説明したものと同じである。
【0018】
上流側接続管(2)の分配用ブロック体(1)への取り付け方法は、上流側接続管(2)の基端部にフランジ部(2b)を形成し、分配用ブロック体(1)の分岐路(12)を段付き孔として、この段付き孔の大径部に固定部材(7)の雄ねじ部(72)と螺合可能な雌ねじ部(14)を形成する。
そして、上流側接続管(2)を分配用ブロック体(1)の開口部(13)からフランジ部(2b)が段部に当接するまで挿入し、次いで固定部材(7)の貫通孔(73)に上流側接続管(2)を挿通させ、固定部材(7)の雄ねじ部(72)を分配用ブロック体(1)の雌ねじ部(14)に螺合する。尚、フランジ部(2b)と段部との当接面にはパッキン(8)を介装する。
【0019】
尚、位置決め用ブロック体(5)に対する下流側接続管(4)の上部管(41)及び下部管(42)の接続方法については、上記第一実施形態及び第二実施形態で説明した方法と同様であるため説明を省略する。
【0020】
上記第三実施形態に係る流体分配用配管構造によれば、上流側接続管(2)と流量調整バルブ(3)と下流側接続管の上部管(41)が一体不可分に接続され、上流側接続管(2)が分配用ブロック体(1)に対して着脱可能に取り付けられているため、メンテナンス等の際に、上流側接続管(2)と流量調整バルブ(3)と下流側接続管の上部管(41)を一体的に取り外すことができ、極めて作業性に優れる。
しかも、取り外される部分の配管は全て同じ構造であるため、それぞれ互換性があり、配管の交換を容易に行うことができ、配管の部品点数を少なくすることができる。
【0021】
尚、本発明において流量調整バルブ(3)のアクチュエータの大きさや形状は図示例には全く限定されず、また空圧作動式であってもよいし手動式のハンドルであってもよい。
【0022】
【発明の効果】
以上説明したように、請求項1に係る発明は、内部を横断して形成された主流路と該主流路から分岐する複数の分岐路を備え下面に該分岐路の出口となる開口部が略等間隔に形成された分配用ブロック体と、該分配用ブロック体のそれぞれの開口部に接続された上流側接続管と、該上流側接続管と流量調整バルブを介して接続され下端にノズルが形成された下流側接続管と、該下流側接続管が挿通される貫通孔が略等間隔に形成された位置決め用ブロック体とから構成されてなる配管構造であって、前記流量調整バルブのアクチュエータが互いに干渉しないように上流側と下流側に交互に位置をずらして配設され、前記開口部からノズル先端までの配管が略直線状且つ互いに平行とされてなることを特徴とする流体分配用配管構造であるから、以下に述べる効果を奏する。
すなわち、流量調整バルブのアクチュエータが互いに干渉しないように交互に位置をずらして配設されているため、配管の取り付けスペースを小さくすることが可能で、接続管を湾曲させずともノズルの間隔を狭くすることができる。
【0023】
請求項2に係る発明は、前記下流側接続管が流量調整バルブと接続される上部管とノズルを有する下部管の二部材とされ、該上部管は位置決め用ブロック体に対して一体的に固定され且つ下部管は固定部材により位置決め用ブロック体に対して着脱可能に取り付けられてなることを特徴とする請求項1記載の流体分配用配管構造であるから、上記効果に加えて更に以下のような効果を奏する。
すなわち、下流側接続管が上部管と下部管の二部材とされ、下部管が位置決め用ブロック体に対して着脱可能とされているため、メンテナンス等の際にノズルを有する下部管のみを取り外すことができ、作業性に優れる。
【0024】
請求項3に係る発明は、前記下流側接続管が流量調整バルブと接続される上部管とノズルを有する下部管の二部材とされ、これら上部管と下部管は共に固定部材により位置決め用ブロック体に対して着脱可能に取り付けられてなることを特徴とする請求項1記載の流体分配用配管構造であるから、上記効果に加えて更に以下のような効果を奏する。
すなわち、メンテナンス等の際に、上部管のみ、或いは下部管のみを取り外すことが可能であり、一層作業性に優れたものとなる。
【0025】
請求項4に係る発明は、前記上流側接続管と流量調整バルブと下流側接続管の上部管が一体不可分とされてなるとともに、上流側接続管が固定部材により分配用ブロック体の開口部に対して着脱可能に取り付けられてなることを特徴とする請求項3記載の流体分配用配管構造であるから、上記効果に加えて更に以下のような効果を奏する。
すなわち、メンテナンス等の際に、上流側接続管と流量調整バルブと下流側接続管の上部管を一体的に取り外すことができ、極めて作業性に優れる。
しかも、取り外される部分の配管は全て同じ構造であるため、それぞれ互換性があって上流側と下流側を逆転させることによっても使用することができ、配管の交換を容易に行うことが可能となり、配管の部品点数を少なくすることができる。
【図面の簡単な説明】
【図1】本発明に係る流体分配用配管構造の第一実施形態を示す正面図である。
【図2】本発明に係る流体分配用配管構造の第一実施形態を示す一部切り欠き側面図である。
【図3】本発明に係る流体分配用配管構造の第二実施形態を示す正面図である。
【図4】本発明に係る流体分配用配管構造の第二実施形態を示す一部切り欠き側面図である。
【図5】本発明に係る流体分配用配管構造の第三実施形態を示す正面図である。
【図6】本発明に係る流体分配用配管構造の第三実施形態を示す一部切り欠き側面図である。
【図7】従来の流体分配用配管構造の一例を示す正面図である。
【図8】従来の流体分配用配管構造の一例を示す一部切り欠き側面図である。
【符号の説明】
1 分配用ブロック体
11 主流路
12 分岐路
13 開口部
2 上流側接続管
31 アクチュエータ
3 流量調整バルブ
4 下流側接続管
41 上部管
42 下部管
4a ノズル
5 位置決め用ブロック体
7 固定部材
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a piping structure for fluid distribution, and an object thereof is to provide a piping structure for fluid distribution that can reduce the mounting space, has excellent maintainability, and can make the piping compatible. It is in.
[0002]
[Prior art]
In manufacturing plants for beverages such as drinks, juices and mineral water, and liquid medicines such as eye drops and drinks, work to fill these liquids into containers made of glass, plastic, etc. In the operation process of filling the container into the container, it is necessary to evenly distribute the liquid flowing in one pipe and take it out from a plurality of nozzles.
Conventionally, as such a fluid distribution piping structure, a piping structure as shown in FIGS. 7 and 8 has been used. 8 is a partially cutaway side view of FIG.
[0003]
This pipe structure includes a block body (C) having a main flow path (A) and a plurality of branch paths (B) branched from the main flow path (A) and extending downward, and the block body (C). A flow rate adjusting valve (D) connected to the end of the branch passage (B), a connecting pipe (F) connected to the flow rate adjusting valve (D) and having a nozzle (E) at the tip, and the connecting pipe (F ) Is inserted and held at equal intervals, the liquid flowing through the main flow path (A) is branched at the branch paths (B), and the flow rates flowing through the respective branch paths (B) are even. It adjusts by the flow volume adjustment valve (D) so that it may become, It is comprised so that it may inject | pour into a container from a nozzle (E).
[0004]
[Problems to be solved by the invention]
However, the conventional piping structure as described above has various problems as described below.
In order to increase production efficiency in a manufacturing plant for beverages and liquid medicines, it is necessary to reduce the distance between containers so that liquid can be injected into as many containers as possible at the same time. The interval between the nozzles (E) must also be reduced according to the interval between the containers.
However, since the distance between the branch paths (B) must be at least separated so that the actuators of the flow rate adjusting valve (D) do not contact each other, the space occupied by the piping increases as the number of branch paths (B) increases. It was.
[0005]
Further, in order to narrow the interval between the nozzles (E), it is necessary to bend the connecting pipes (F) other than the central portion as shown in FIG. 7, but they are compatible because the bending of each connecting pipe (F) is not constant. In particular, when the number of branch paths (B) is large, a large number of connecting pipes (F) having different curvatures must be prepared.
Furthermore, since the nozzle (E) is inserted into the block body (G) integrally with the connection pipe (F), for example, even when only the nozzle (E) is to be replaced, the connection pipe (F) The whole had to be removed and replaced from the block body (G), and the workability was very poor.
Further, the curvature of the connecting pipe (F) varies depending on the mounting position, but the tip of the nozzle (E) must be aligned, so the length of each connecting pipe (F) must be set very strictly. It was.
[0006]
[Means for Solving the Problems]
The present invention has been made in order to solve the problems of the conventional fluid distribution piping structure as described above, and the invention according to claim 1 includes a main channel formed across the interior and the main channel. A distribution block body having a plurality of branch paths branching from the main flow path and having openings on the lower surface serving as outlets of the branch paths formed at substantially equal intervals, and connected to respective openings of the distribution block body An upstream connecting pipe, a downstream connecting pipe connected to the upstream connecting pipe via a flow rate adjusting valve and having a nozzle formed at the lower end, and through holes through which the downstream connecting pipe is inserted are formed at substantially equal intervals. The positioning block body is a piping structure, wherein the actuators of the flow rate adjusting valve are alternately shifted in the upstream side and the downstream side so as not to interfere with each other. Piping to the nozzle tip It relates to a fluid dispensing pipe structure characterized by comprising a straight and parallel to each other.
[0007]
According to a second aspect of the present invention, the downstream connecting pipe is composed of two members, an upper pipe connected to the flow rate adjusting valve and a lower pipe having a nozzle, and the upper pipe is integrally fixed to the positioning block body. 2. The fluid distribution piping structure according to claim 1, wherein the lower pipe is detachably attached to the positioning block body by a fixing member.
According to a third aspect of the present invention, the downstream connecting pipe is composed of two members, ie, an upper pipe connected to the flow rate adjusting valve and a lower pipe having a nozzle. Both the upper pipe and the lower pipe are fixed by a fixing member. 2. The fluid distribution piping structure according to claim 1, wherein the piping structure is detachably attached to the pipe.
In the invention according to claim 4, the upstream connecting pipe, the flow rate adjusting valve, and the upper pipe of the downstream connecting pipe are inseparably integrated, and the upstream connecting pipe is fixed to the opening of the distribution block body by a fixing member. 4. The fluid distribution piping structure according to claim 3, wherein the piping structure is detachably attached to the fluid distribution piping structure.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of a fluid distribution piping structure according to the invention will be described with reference to the drawings.
FIG. 1 is a front view showing a first embodiment of a fluid distribution piping structure according to the present invention, and FIG. 2 is a partially cutaway side view thereof.
The fluid distribution piping structure according to the present invention includes a distribution block body (1), an upstream connection pipe (2), a flow rate adjusting valve (3), a downstream connection pipe (4), and a positioning block body (5). Is the main component.
[0009]
The distribution block body (1) includes a main channel (11) formed across the inside and a plurality of branch channels (12) branched from the main channel (11). And the opening (13) used as the exit of a branch path (12) is formed in the lower surface at substantially equal intervals, and an upstream connection pipe (2) is connected and fixed to these openings (13) by welding, respectively. Yes.
[0010]
The lower end of the upstream connection pipe (2) is connected to the inlet flow path of the flow rate adjustment valve (3) via the cap nut (6), and the downstream connection is made to the outlet flow path of the flow rate adjustment valve (3). The pipe (4) is connected via a cap nut (6).
Both the upstream connection pipe (2) and the downstream connection pipe (4) are composed of two types of pipes, and the lengths of the adjacent connection pipes are different so that the long pipes and the short pipes are alternated. It is attached as follows.
The lengths of the long pipe and the short pipe are set so that the actuators (31) of the adjacent flow rate adjusting valves (3) do not interfere with each other, as shown in FIG. 1, whereby the nozzle (4a) is opened from the opening (13). The pipes up to the tip are substantially linear and parallel to each other.
[0011]
The downstream connection pipe (4) is composed of two members: an upper pipe (41) connected to the flow rate adjusting valve (3), and a lower pipe (42) having a nozzle (4a) and a flange portion (4b). .
The upper pipe (41) is integrally fixed to the positioning block body (5) by welding, and the lower pipe (42) is detachably attached to the positioning block body (5) by the fixing member (7). It has been.
[0012]
As shown in FIG. 2, the fixing member (7) includes a nut portion (71), a male screw portion (72), and a through hole (73). Further, a stepped through hole is formed in the positioning block body (5), and a female screw portion (51) that can be screwed with the male screw portion (72) is formed in the large diameter portion of the stepped through hole. Has been.
When fixing the lower pipe (42) to the positioning block (5), first, the lower pipe (42) is inserted until the flange portion (4b) abuts on the stepped portion of the through hole (73). At this time, a packing (8) for preventing liquid leakage is interposed on the contact surface as shown in the figure. Next, the lower pipe (42) is inserted into the through hole (73) of the fixing member (7), and finally, the male screw portion (72) of the fixing member (7) is inserted into the female screw portion (51) of the positioning block body (5). Screw together.
[0013]
According to the fluid distribution piping structure having the above-described configuration, the actuator (31) of the flow rate adjusting valve (3) is disposed so as to be alternately shifted upstream and downstream so as not to interfere with each other. It is possible to reduce the interval between the nozzles (4a) without bending the side connection pipe (4).
The downstream connection pipe (4) is composed of two members, an upper pipe (41) and a lower pipe (42), and the lower pipe (42) is attached to and detached from the positioning block body (5) by the fixing member (7). Since it is possible, only the lower pipe (42) having the nozzle (4a) can be removed during maintenance or the like, and the workability is excellent.
[0014]
FIG. 3 is a front view showing a second embodiment of the fluid distribution piping structure according to the present invention, and FIG. 4 is a partially cutaway side view thereof.
The difference between the piping structure according to the second embodiment and the first embodiment is that not only the lower pipe (42) of the downstream connection pipe (4) but also the upper pipe (41) is positioned by the fixing member (7). It is the point attached to the block body (5) so that attachment or detachment is possible. The fixing member (7) described here is the same as that described in the first embodiment.
[0015]
Specifically, the flange portion (4c) is formed at the lower end portion of the upper pipe (41), and the through hole of the positioning block body (5) is formed so that the flange portion (4c) can be inserted and the through hole. An internal thread portion (51) that can be screwed with the external thread portion (72) of the fixing member (7) is formed.
Then, the flange portion (4c) of the upper pipe (41) is inserted from the upper end side of the through hole of the positioning block body (5), and the upper pipe (41) is inserted into the through hole (73) of the fixing member (7). Then, by screwing the male thread portion (72) of the fixing member (7) with the female thread portion (51) of the positioning block body (5), the upper pipe (41) is fixed to the positioning block body (5). Removably attach. Next, the lower pipe (42) is inserted from the lower end side of the through hole of the positioning block body (5), and is detachably attached to the positioning block body (5) by the method described in the first embodiment. At this time, packing (8) is interposed between the contact surfaces of the upper pipe (41) and the lower pipe (42) as shown in the figure.
[0016]
According to the fluid distribution piping structure according to the second embodiment, the downstream connection pipe (4) has two members, the upper pipe (41) and the lower pipe (42), and the upper pipe (41) and the lower pipe ( 42) are both detachable from the positioning block body (5) by the fixing member (7), so that only the upper pipe (41) or the lower pipe (42) is removed during maintenance or the like. It becomes possible and it becomes the thing excellent in workability | operativity.
[0017]
FIG. 5 is a front view showing a third embodiment of a fluid distribution piping structure according to the present invention, and FIG. 6 is a partially cutaway side view thereof.
The difference between the piping structure according to the third embodiment and the second embodiment is that the upstream connecting pipe (2), the flow rate adjusting valve (3) and the upper pipe (41) of the downstream connecting pipe are inseparably integrated by welding. It is connected and the upstream connection pipe (2) is detachably attached to the opening (13) of the distribution block body (1) by the fixing member (7). The fixing member (7) described here is the same as that described in the first embodiment.
[0018]
The method for attaching the upstream connection pipe (2) to the distribution block body (1) is to form a flange (2b) at the proximal end of the upstream connection pipe (2) and to dispose the distribution block body (1). The branch path (12) is a stepped hole, and a female screw portion (14) that can be screwed with the male screw portion (72) of the fixing member (7) is formed in the large diameter portion of the stepped hole.
Then, the upstream connecting pipe (2) is inserted from the opening (13) of the distribution block body (1) until the flange (2b) contacts the stepped portion, and then the through hole (73) of the fixing member (7). ), The upstream connection pipe (2) is inserted, and the male thread part (72) of the fixing member (7) is screwed into the female thread part (14) of the distribution block body (1). In addition, packing (8) is interposed in the contact surface of a flange part (2b) and a step part.
[0019]
In addition, about the connection method of the upper pipe | tube (41) and lower pipe | tube (42) of the downstream connection pipe | tube (4) with respect to the block body for positioning (5), it is the method demonstrated by said 1st embodiment and 2nd embodiment. Since it is the same, description is abbreviate | omitted.
[0020]
According to the fluid distribution piping structure according to the third embodiment, the upstream side connecting pipe (2), the flow rate adjusting valve (3), and the upper side pipe (41) of the downstream side connecting pipe are inseparably connected, and the upstream side Since the connecting pipe (2) is detachably attached to the distribution block body (1), the upstream connecting pipe (2), the flow rate adjusting valve (3), and the downstream connecting pipe are used for maintenance. The upper pipe (41) can be removed integrally, and the workability is extremely excellent.
Moreover, since the pipes to be removed all have the same structure, they are interchangeable, and the pipes can be easily replaced, and the number of parts of the pipes can be reduced.
[0021]
In the present invention, the size and shape of the actuator of the flow rate adjusting valve (3) are not limited to the illustrated example, and may be a pneumatically operated type or a manual type handle.
[0022]
【The invention's effect】
As described above, the invention according to claim 1 includes a main channel formed across the inside and a plurality of branch channels branched from the main channel, and an opening serving as an outlet of the branch channel is substantially provided on the lower surface. The distribution block bodies formed at equal intervals, the upstream connection pipes connected to the respective openings of the distribution block bodies, and the nozzles at the lower ends connected to the upstream connection pipes and the flow rate adjusting valves. A piping structure comprising a formed downstream connecting pipe and a positioning block body in which through holes through which the downstream connecting pipe is inserted are formed at substantially equal intervals, the actuator for the flow rate adjusting valve For fluid distribution, wherein the pipes from the opening to the tip of the nozzle are substantially straight and parallel to each other so that they do not interfere with each other. Because of the piping structure An effect described below.
That is, since the actuators of the flow rate adjusting valve are arranged so as to be alternately shifted so as not to interfere with each other, it is possible to reduce the installation space of the pipe, and to narrow the nozzle interval without bending the connecting pipe. can do.
[0023]
According to a second aspect of the present invention, the downstream connecting pipe is composed of two members, an upper pipe connected to the flow rate adjusting valve and a lower pipe having a nozzle, and the upper pipe is integrally fixed to the positioning block body. The fluid distribution piping structure according to claim 1, wherein the lower pipe is detachably attached to the positioning block body by a fixing member. Has an effect.
That is, since the downstream connection pipe is composed of two members, an upper pipe and a lower pipe, and the lower pipe is detachable from the positioning block body, only the lower pipe having the nozzle is removed during maintenance or the like. And workability is excellent.
[0024]
According to a third aspect of the present invention, the downstream connecting pipe is composed of two members, an upper pipe connected to the flow rate adjusting valve and a lower pipe having a nozzle, and both the upper pipe and the lower pipe are positioned by a fixing member. The fluid distribution piping structure according to claim 1, which is detachably attached to the structure, further provides the following effects in addition to the effects described above.
That is, during maintenance or the like, it is possible to remove only the upper tube or only the lower tube, and the workability is further improved.
[0025]
In the invention according to claim 4, the upstream connecting pipe, the flow rate adjusting valve, and the upper pipe of the downstream connecting pipe are inseparably integrated, and the upstream connecting pipe is fixed to the opening of the distribution block body by a fixing member. 4. The fluid distribution piping structure according to claim 3, wherein the fluid distribution pipe structure is detachably attached to the above-described effect.
That is, during maintenance or the like, the upstream side connecting pipe, the flow rate adjusting valve, and the upper side pipe of the downstream side connecting pipe can be integrally removed, and the workability is extremely excellent.
Moreover, since the pipes to be removed all have the same structure, they are compatible and can be used by reversing the upstream side and the downstream side, making it possible to easily replace the pipes. The number of piping parts can be reduced.
[Brief description of the drawings]
FIG. 1 is a front view showing a first embodiment of a fluid distribution piping structure according to the present invention.
FIG. 2 is a partially cutaway side view showing a first embodiment of a fluid distribution piping structure according to the present invention.
FIG. 3 is a front view showing a second embodiment of a fluid distribution piping structure according to the present invention.
FIG. 4 is a partially cutaway side view showing a second embodiment of a fluid distribution piping structure according to the present invention.
FIG. 5 is a front view showing a third embodiment of a fluid distribution piping structure according to the present invention.
FIG. 6 is a partially cutaway side view showing a third embodiment of a fluid distribution piping structure according to the present invention.
FIG. 7 is a front view showing an example of a conventional fluid distribution piping structure.
FIG. 8 is a partially cutaway side view showing an example of a conventional fluid distribution piping structure.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Distribution block body 11 Main flow path 12 Branch path 13 Opening part 2 Upstream side connection pipe 31 Actuator 3 Flow control valve 4 Downstream side connection pipe 41 Upper pipe 42 Lower pipe 4a Nozzle 5 Positioning block body 7 Fixing member

Claims (4)

内部を横断して形成された主流路と該主流路から分岐する複数の分岐路を備え下面に該分岐路の出口となる開口部が略等間隔に形成された分配用ブロック体と、該分配用ブロック体のそれぞれの開口部に接続された上流側接続管と、該上流側接続管と流量調整バルブを介して接続され下端にノズルが形成された下流側接続管と、該下流側接続管が挿通される貫通孔が略等間隔に形成された位置決め用ブロック体とから構成されてなる配管構造であって、前記流量調整バルブのアクチュエータが互いに干渉しないように上流側と下流側に交互に位置をずらして配設され、前記開口部からノズル先端までの配管が略直線状且つ互いに平行とされてなることを特徴とする流体分配用配管構造。A distribution block body having a main flow path formed across the inside and a plurality of branch paths branching from the main flow path, and openings on the lower surface formed as outlets of the branch path are formed at substantially equal intervals, and the distribution An upstream connecting pipe connected to each opening of the block body, a downstream connecting pipe connected to the upstream connecting pipe via a flow rate adjusting valve and having a nozzle formed at the lower end, and the downstream connecting pipe Is a piping structure composed of positioning block bodies in which through-holes are inserted at substantially equal intervals, and alternately on the upstream side and the downstream side so that the actuators of the flow rate adjusting valve do not interfere with each other A fluid distribution piping structure, wherein the piping from the opening to the tip of the nozzle is arranged substantially in a straight line and parallel to each other. 前記下流側接続管が流量調整バルブと接続される上部管とノズルを有する下部管の二部材とされ、該上部管は位置決め用ブロック体に対して一体的に固定され且つ下部管は固定部材により位置決め用ブロック体に対して着脱可能に取り付けられてなることを特徴とする請求項1記載の流体分配用配管構造。The downstream connecting pipe is composed of two members, an upper pipe connected to the flow rate adjusting valve and a lower pipe having a nozzle. The upper pipe is integrally fixed to the positioning block body, and the lower pipe is fixed by a fixing member. 2. The fluid distribution piping structure according to claim 1, wherein the fluid distribution piping structure is detachably attached to the positioning block body. 前記下流側接続管が流量調整バルブと接続される上部管とノズルを有する下部管の二部材とされ、これら上部管と下部管は共に固定部材により位置決め用ブロック体に対して着脱可能に取り付けられてなることを特徴とする請求項1記載の流体分配用配管構造。The downstream connecting pipe is composed of two members, an upper pipe connected to the flow rate adjusting valve and a lower pipe having a nozzle. Both the upper pipe and the lower pipe are detachably attached to the positioning block body by a fixing member. The fluid distribution piping structure according to claim 1, wherein: 前記上流側接続管と流量調整バルブと下流側接続管の上部管が一体不可分とされてなるとともに、上流側接続管が固定部材により分配用ブロック体の開口部に対して着脱可能に取り付けられてなることを特徴とする請求項3記載の流体分配用配管構造。The upstream connecting pipe, the flow rate adjusting valve, and the upper pipe of the downstream connecting pipe are inseparably integrated, and the upstream connecting pipe is detachably attached to the opening of the distribution block body by a fixing member. The fluid distribution piping structure according to claim 3, wherein
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