JP4127924B2 - Connection joint for heat medium - Google Patents

Connection joint for heat medium Download PDF

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Publication number
JP4127924B2
JP4127924B2 JP09272399A JP9272399A JP4127924B2 JP 4127924 B2 JP4127924 B2 JP 4127924B2 JP 09272399 A JP09272399 A JP 09272399A JP 9272399 A JP9272399 A JP 9272399A JP 4127924 B2 JP4127924 B2 JP 4127924B2
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JP
Japan
Prior art keywords
joint
connection
main body
coupling
hot water
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JP09272399A
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Japanese (ja)
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JP2000283474A (en
Inventor
隆文 川口
一久 井川
寛之 西村
正長 西浦
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Osaka Gas Co Ltd
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Osaka Gas Co Ltd
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Description

【0001】
【発明の属する技術分野】
本発明は、外周部に管接続用の本体側接続部を備えた直筒状の継手本体を有する熱媒用接続継手に関する。
【0002】
【従来の技術】
このような熱媒用接続継手としては、例えば、温水を利用した床暖房システムにおいて、給湯装置側に接続の接続部から供給される熱媒としての湯水を、本体側接続部から端末器である床暖房装置へ供給するヘッダなどがある。
かかるヘッダは、従来、真鍮などの金属材料による切削加工品で構成されており、そのため、給湯装置側への接続部と端末器側への本体側接続部とが一体的に構成されていて、両接続部の相対位置関係が固定化されていた。
【0003】
【発明が解決しようとする課題】
したがって、従来のヘッダでは、例えば、壁や床などの他物に固定した際、給湯装置側への接続部と端末器側への本体側接続部との位置が確定されてしまうという不都合があった。
【0004】
つまり、このようなヘッダは、給湯装置側への接続部と端末器側への本体側接続部に対して熱媒用の供給管が接続されるものであり、従来のヘッダでは、ヘッダが他物に固定されると、給湯装置側の供給管と端末器側の供給管との接続位置が確定されて、ヘッダの固定箇所における周りの状況や、給湯装置と端末器との配置関係に伴う配管状況に対して自由に対応することができず、この点に改良の余地があった。
【0005】
勿論、従来のヘッダにおいても、給湯装置側への接続部と本体側接続部との位置関係を異ならせた複数種類のヘッダを準備し、その複数種類のヘッダを選択使用することにより、固定箇所周りの状況や配管状況に対応することは可能であるが、その場合には、複数種類のヘッダが必要となって、ヘッダの単価が高価なものとなる欠点がある。
【0006】
本発明は、このような従来の問題点に着目したもので、その目的は、共用化による単価の低減を図りながら、しかも、固定箇所周りや配管状況などに対応することの可能な熱媒用接続継手の提供にある。
【0007】
【課題を解決するための手段】
この目的を達成するため、請求項1に記載の発明によれば、外周部に端末器側への管接続用の本体側接続部を備えた直筒状の継手本体を有する熱媒用接続継手であって、前記継手本体の長手方向の一端部に接続される連結体を備え、その連結体が、給湯装置側への管接続用の連結体側接続部を備え、かつ、前記継手本体の長手方向に沿う軸心周りに回転操作自在に構成されている。
【0008】
すなわち、継手本体に対して別体に構成された連結体が、管接続用の連結体側接続部を備えていて、その連結体が、継手本体の長手方向の一端部に対して、その長手方向の軸心周りに回転操作自在な状態で接続可能に構成されているので、継手本体と連結体とを共用可能にして単価の軽減を図ることができるとともに、例えば、接続継手を固定する固定箇所周りの状況や、前記本体側接続部および連結体側接続部に接続される配管の状況などに応じて、連結体を継手本体に対して回転操作することにより、各種状況への対応も可能となる。
【0009】
請求項2に記載の発明によれば、前記継手本体と連結体との継手本体の長手方向での相対移動により係合して、前記継手本体と連結体との相対位置を決める係合式位置決め部が設けられている。
【0010】
したがって、上述したように、各種の状況に対応するように継手本体に対して連結体を回転操作し、その回転操作した状態において、前記係合式位置決め部によって、継手本体に対する連結体の位置を確定することができ、継手本体に対する連結体の不測の回転を阻止することができる。
【0011】
請求項3に記載の発明によれば、前記係合式位置決め部が、前記継手本体と連結体のいずれか一方に設けられた少なくともひとつの係合部と、他方において前記係合部と対応して前記軸心周りに設けられた複数の被係合部とで構成されている。
【0012】
したがって、少なくともひとつの係合部を複数の被係合部に対して選択的に係合させることによって、継手本体に対する連結体の位置を複数箇所で確定して回転を阻止することができ、より多くの状況に対する対応が可能となり、しかも、例えば、係合部を簡単な突起で、また、被係合部をその突起が嵌入する係合穴で構成することができ、係合式位置決め部そのものを簡単な構成で廉価に形成することができる。
【0013】
請求項4に記載の発明によれば、前記本体側接続部が、前記継手本体の周方向同位相で、かつ、継手本体の長手方向に並べる状態で複数個備えて構成されている。
【0014】
すなわち、本体側接続部が複数あるので、その複数の本体側接続部を使用して複数の端末器を接続することができるのは勿論、不必要な本体側接続部を密閉用プラグなどで閉鎖することにより、例えば、ひとつの端末器用としても兼用することができる。
そして、その複数の本体側接続部が、継手本体の周方向に同位相で、継手本体の長手方向に並べる状態に備えられているので、複数の端末器を接続する場合においても、端末器に対する複数の配管を継手本体に対して整然と接続することができる。
【0015】
請求項5に記載の発明によれば、前記連結体が、その一端部に前記継手本体に対する接続部を備え、他端部に前記連結体側接続部を備えるL字状に構成されている。
【0016】
したがって、継手本体を壁や床などの他物に固定した状態においても、その継手本体に対してL字状の連結体を回転操作することにより、連結体側接続部を壁や床の面から離すことができ、連結体側接続部に対する配管を壁面などに邪魔されることなく容易に行うことができる。
【0017】
請求項6に記載の発明によれば、前記継手本体が、他物に対して位置決め状態で固定するための固定連結部を一体的に備えて構成されている。
【0018】
したがって、継手本体に設けられた固定連結部を利用して、継手本体を壁や床などの他物に対して確実、容易に固定することができ、しかも、その継手本体に対して連結体を回転操作することで、連結体側接続部や本体側接続部に対する配管を他物に邪魔されることなく容易に行うことができる。
【0019】
【発明の実施の形態】
本発明による熱媒用接続継手の実施の形態を図面に基づいて説明する。
この熱媒用接続継手は、例えば、ガス温水用の暖房システムなどに使用されるもので、その暖房システムは、図1に示すように、熱媒としての湯水を加熱しながら循環させる熱源機としての給湯装置Aと、給湯装置Aからの湯水によって床を暖房する端末器としての複数の温水マット式床暖房装置Bとを備えて構成されている。
【0020】
前記給湯装置Aは、ガス燃焼式の給湯装置で、その給湯装置Aには、加熱後の湯水を床暖房装置Bに供給する熱源側供給管1と、床暖房装置Bからの湯水を給湯装置Aに戻す熱源側戻り管2とが接続され、これら熱源側供給管1と熱源側戻り管2とは、合成樹脂製の可撓管で構成されている。
各床暖房装置Bには、給湯装置Aからの湯水が供給される端末側供給管3と、給湯装置Aに湯水を戻す端末側戻り管4とが接続され、これら端末側供給管3と端末側戻り管4も、合成樹脂製の可撓管で構成されている。
【0021】
前記熱源側供給管1と端末側供給管3とは、例えば、1本の熱源側供給管1に対して複数本、この実施形態では6本の端末側供給管3が接続され、同様に、1本の熱源側戻り管2に対して6本の端末側戻り管4が接続されている。
そのため、熱源側供給管1と端末側供給管3との間には、熱源側供給管1からの湯水を複数に分離して供給する熱媒用接続継手としての供給ヘッダ5が介装され、同様に、熱源側戻り管2と端末側戻り管4との間にも、複数本の端末側戻り管4からの湯水を合流させて給湯装置Aに戻す熱媒用接続継手としての戻りヘッダ6が介装されている。
【0022】
つぎに、供給ヘッダ5と戻りヘッダ6、ならびに、これらヘッダ5,6に取り付けられる各種のジョイントについて説明するが、供給ヘッダ5とそのジョイント、ならびに、戻りヘッダ6とそのジョイントとは、熱媒の通流方向が逆向きになる以外は全く同じ構造に構成されているので、重複説明を避けるため、供給ヘッダ5についてのみ説明し、戻りヘッダ6については説明を省略する。
【0023】
前記供給ヘッダ5は、図2および図3に示すように、合成樹脂製の一体成形品で形成されていて、直線筒状の継手本体7を備え、その継手本体7の一端には、熱源側供給管1が接続される熱源側開口部8が設けられ、継手本体7の他端は、合成樹脂による一体的な閉鎖構造とされていて、熱源側開口部8には、連結体としての合成樹脂製のL型ジョイント9と直線型ジョイント10とが接続されている。
【0024】
前記L型ジョイント9は、その一端部に供給ヘッダ5の熱源側開口部8に挿入されて内嵌状態に接続される継手本体7に対する接続部としての円筒状のヘッダ側挿入部11を備え、他端部に管接続用の連結体側接続部としての接続用開口部12を備えるとともに、ヘッダ側挿入部11の根元に径方向外方に突出する円板状の鍔状部13を備え、かつ、ヘッダ側挿入部11にはシール用のOリング14が外嵌され、継手本体7の長手方向に沿う軸心L周りに回転操作自在に構成されている。
【0025】
前記L型ジョイント9のヘッダ側挿入部11の先端には、図5および図6に示すように、その軸心L周りに等間隔に配設された係合部としての3つの係合突起15が一体的に突設され、その係合突起15に対応する状態で、継手本体7の熱源側開口部8には、図4および図6に示すように、その軸心L周りに等間隔に配設された被係合部としての6つの係合穴16が設けられ、その6つの係合穴16内に3つの係合突起15が係入可能に構成されていて、そのL型ジョイント9側の係合突起15と継手本体7側の係合穴16とによって、継手本体7の軸心L方向での相対移動により係合して、継手本体7とL型ジョイント9との相対位置を決める係合式位置決め部が構成されている。
【0026】
つまり、6つの係合穴16が、軸心L周りに60度の角度を置いて等間隔に配設され、3つの係合突起15が、120度の角度を置いて等間隔に配設されていて、その6つの係合穴16に対して3つの係合突起15を選択的に係入させることによって、図7に示すように、L型ジョイント9を継手本体7の軸心L周りに60度ずつ角度を変更して位置決めできるように構成され、係合突起15が係合穴16内に係入した状態で、L型ジョイント9の鍔状部13が、継手本体7の端面に接当するように構成されている。
【0027】
前記直線型ジョイント10は、その一端部にL型ジョイント9の接続用開口部12に挿入されて内嵌状態に接続される円筒状のヘッダ側挿入部17を備え、他端部に熱源側供給管1に挿入されて内嵌状態に接続される円筒状で、かつ、外周部に管抜け止め用の複数の段部を有する可撓管側挿入部18を備えるとともに、ヘッダ側挿入部17の根元には、L型ジョイント9の接続用開口部12の端面に接当する円板状の鍔状部19が設けられ、ヘッダ側挿入部17にはシール用のOリング20が外嵌されている。
【0028】
前記供給ヘッダ5の継手本体7の外周部には、周方向での位相を同じにして、かつ、その筒の軸心L方向に沿って並んだ状態で複数の分岐管、この実施形態では4本の分岐管21が、合成樹脂により一体的に形成され、各分岐管21には、端末側供給管3が接続される管接続用の本体側接続部としての端末側開口部22が設けられ、4つある端末側開口部22の3つには、合成樹脂製のY型ジョイント23が接続され、残るひとつの端末側開口部22には、Oリングを備えた密閉用プラグ24が挿入されて閉鎖されている。
そして、この供給ヘッダ5の継手本体7には、分岐管21に対して周方向に180度位相を異ならせた状態で、固定連結部25が一体的に形成されていて、ビス26などによって壁や床などの他物27に対し位置決め状態で固定可能に構成されている。
【0029】
前記Y型ジョイン23は、供給ヘッダ5の端末側開口部22に挿入されて内嵌状態に接続される円筒状のひとつのヘッダ側挿入部28と、端末側供給管3に挿入されて内嵌状態に接続される円筒状で、かつ、外周部に管抜け止め用の複数の段部を有する2つの可撓管側挿入部29とを備えて構成され、供給ヘッダ5から供給される湯水を分流して、各可撓管側挿入部29から端末側供給管3に供給するように構成されている。
更に、このY型ジョイント19のヘッダ側挿入部28の根元には、分岐管21に設けられた端末側開口部22の端面に接当する円板状の鍔状部30が設けられ、ヘッダ側挿入部28にはシール用のOリング31が外嵌されている。
【0030】
そして、供給ヘッダ5の継手本体7に連通接続された直線型ジョイント10の可撓管側挿入部18に熱源側供給管1を外嵌して接続し、かつ、各Y型ジョイント23の可撓管側挿入部29に端末側供給管3を外嵌して接続するとともに、必要に応じて、直線型ジョイント10とL型ジョイント9、L型ジョイント9と供給ヘッダ5、供給ヘッダ5の分岐管21とY型ジョイント23との間に金属材料からなるファスナFを外嵌することにより、給湯装置Aによって加熱された湯水が、熱源側供給管1、直線型ジョイント10、L型ジョイント9を介して供給ヘッダ5に供給され、この供給ヘッダ5によって3つに分流されてY型ジョイント23に供給されるとともに、各Y型ジョイント23によって更に2つに分流され、端末側供給管3を介して各床暖房装置Bに供給されるように構成されている。
【0031】
なお、説明は省略したが、熱源用接続継手としての戻りヘッダ6においても同様で、各床暖房装置Bからの湯水が、端末側戻り管4とY型ジョイント23を介して戻りヘッダ6に供給され、戻りヘッダ6によって合流されて、L型ジョイント9、直線型ジョイント10、ならびに、熱源側戻り管2を介して給湯装置Aに戻されることになる。
【0032】
〔別実施形態〕
(1)先の実施形態では、継手本体7と連結体としてのL型ジョイント9との間に、両者の相対位置を決める係合式位置決め部15,16を設けた例を示したが、この係合式位置決め部15,16については、必ずしも必要なものではなく、係合式位置決め部15,16をなくして実施することもできる。
【0033】
(2)先の実施形態では、L型ジョイント9側に設けた係合突起15と継手本体7側に設けた係合穴16とによって係合式位置決め部を構成した例を示したが、先の実施形態とは逆に、継手本体7側に係合突起15を設け、L型ジョイント9側に係合穴16を設けて係合式位置決め部を構成することもできる。
この係合式位置決め部を構成する係合突起15と係合穴16の個数についても種々の変更が可能で、係合突起15については、最低限ひとつ設ければよく、係合穴16については、2つ以上設ければよい。
また、先の実施形態のように、例えば、6つの係合穴16を60度の角度を置いて等間隔に配設する場合、係合突起15の方は、ひとつ、2つ、3つ、6つのいずれでもよいが、係合突起15の数が多いほど、構造的に複雑になる反面、継手本体7とL型ジョイント9との位置決めは強固なものとなる。
したがって、先の実施形態に示したように、例えば、6つの係合穴16に対して係合突起15を3つ程度設けるのが、構造の簡素化と位置決めの強固化との両面からみて望ましい。
また、係合穴16を等間隔に配設する場合、その角度は、先の実施形態のように60度に限るものではなく、例えば、45度や30度などの適宜の角度を選択することができ、角度が小さいほど小さい角度にわたっての細かい位置決めが可能となる。
【0034】
(3)先の実施形態では、連結体の一例としてL型ジョイント9を示したが、連結体としてはL字状のジョイントに限るものではなく、直線状のジョイントに置き換えることもでき、また、L字状のジョイントで構成する場合、例えば、先の実施形態で示したL型ジョイント9と直線型ジョイント10とを一体化し、その一体化したものを連結体として実施することもできる。
【0035】
(4)先の実施形態では、端末器の一例として温水マット式の床暖房装置Bを示したが、この端末器としては、浴室暖房装置、食器洗浄機、ファンコンベクタなどに置き換えて実施することができ、また、給湯装置Aについても、電気式や石油式の給湯装置に置き換えて実施することができる。
【図面の簡単な説明】
【図1】暖房システムの概略斜視図
【図2】ヘッダの一部切欠き正面図
【図3】ヘッダの一部切欠き斜視図
【図4】ヘッダの側面図と要部の断面図
【図5】L型ジョイントの側面図と要部の断面図
【図6】ヘッダとL型ジョイントの分解斜視図
【図7】ヘッダの側面図
【符号の説明】
5,6 熱媒用接続継手
7 継手本体
9 連結体
11 継手本体に対する接続部
12 連結体側接続部
15 係合式位置決め部を構成する係合部
16 係合式位置決め部を構成する被係合部
22 本体側接続部
25 固定連結部
27 他物
L 軸心
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a heat medium connection joint having a straight cylindrical joint body provided with a main body side connection part for pipe connection on an outer peripheral part.
[0002]
[Prior art]
As such a heat medium connection joint, for example, in a floor heating system using hot water, hot water as a heat medium supplied from a connection part connected to the hot water supply device side is a terminal unit from the main body side connection part. There are headers to be supplied to the floor heating system.
Conventionally, such a header is configured by a machined product made of a metal material such as brass, and therefore, a connection part to the hot water supply device side and a main body side connection part to the terminal side are integrally configured, The relative positional relationship between the two connecting portions was fixed.
[0003]
[Problems to be solved by the invention]
Therefore, when the conventional header is fixed to another object such as a wall or a floor, the position of the connecting portion to the hot water supply device side and the main body side connecting portion to the terminal side is fixed. It was.
[0004]
That is, in such a header, the supply pipe for the heat medium is connected to the connection part to the hot water supply device side and the main body side connection part to the terminal side. When fixed to an object, the connection position between the supply pipe on the hot water supply device side and the supply pipe on the terminal device side is determined, and the situation around the fixed portion of the header and the arrangement relationship between the hot water supply device and the terminal device are involved. It was not possible to respond freely to the piping situation, and there was room for improvement in this respect.
[0005]
Of course, even in the conventional header, by preparing a plurality of types of headers with different positional relationships between the connection part to the hot water supply device side and the connection part on the main body side, by selecting and using the plurality of types of headers, a fixed location Although it is possible to cope with surrounding situations and piping situations, in that case, a plurality of types of headers are required, and there is a disadvantage that the unit price of the header is expensive.
[0006]
The present invention pays attention to such a conventional problem, and its purpose is for a heat medium that can reduce the unit price by sharing, and can cope with the surroundings of fixed places and piping conditions. Provide connection joints.
[0007]
[Means for Solving the Problems]
In order to achieve this object, according to the first aspect of the present invention, there is provided a connection joint for a heat medium having a straight cylindrical joint body provided with a body side connection portion for pipe connection to the terminal side on the outer peripheral portion. A coupling body connected to one end of the joint body in the longitudinal direction, the coupling body including a coupling body side connection portion for pipe connection to the hot water supply device side , and the longitudinal direction of the joint body Is configured to be freely rotatable about an axis along the axis.
[0008]
That is, the connecting body configured separately from the joint body includes a connecting body-side connecting portion for pipe connection, and the connecting body is in the longitudinal direction with respect to one end portion in the longitudinal direction of the joint body. Since the joint body and the coupling body can be shared, the unit price can be reduced, and, for example, a fixing location for fixing the connection joint. It is possible to cope with various situations by rotating the coupling body with respect to the joint body according to the surrounding situation and the situation of the pipe connected to the main body side connecting portion and the connecting body side connecting portion. .
[0009]
According to the second aspect of the present invention, the engagement type positioning portion that is engaged by the relative movement of the joint body and the coupling body in the longitudinal direction of the joint body to determine the relative position between the joint body and the coupling body. Is provided.
[0010]
Therefore, as described above, the coupling body is rotated with respect to the joint body so as to correspond to various situations, and the position of the coupling body with respect to the joint body is determined by the engaging positioning unit in the rotated state. It is possible to prevent unexpected rotation of the coupling body with respect to the joint body.
[0011]
According to invention of Claim 3, the said engagement type positioning part respond | corresponds with the at least 1 engagement part provided in either one of the said coupling main body and a coupling body, and the said engagement part in the other. And a plurality of engaged portions provided around the axis.
[0012]
Therefore, by selectively engaging at least one engaging portion with a plurality of engaged portions, the position of the coupling body with respect to the joint body can be determined at a plurality of locations and rotation can be prevented. For example, the engaging portion can be configured with a simple protrusion, and the engaged portion can be configured with an engaging hole into which the protrusion is fitted. It can be formed inexpensively with a simple configuration.
[0013]
According to invention of Claim 4, the said main body side connection part is provided with two or more in the state arranged in the circumferential direction of the said joint main body, and arranging in the longitudinal direction of a joint main body.
[0014]
That is, since there are a plurality of main body side connection portions, a plurality of terminal devices can be connected using the plurality of main body side connection portions, and unnecessary main body side connection portions are closed with a sealing plug or the like. By doing so, for example, it can also be used for one terminal.
And since the plurality of main body side connection portions are provided in a state in which they are arranged in the longitudinal direction of the joint main body in the same phase in the circumferential direction of the joint main body, even when connecting a plurality of terminal equipment, A plurality of pipes can be orderly connected to the joint body.
[0015]
According to invention of Claim 5, the said coupling body is comprised in the L-shape provided with the connection part with respect to the said coupling main body in the one end part, and having the said connection body side connection part in the other end part.
[0016]
Therefore, even when the joint body is fixed to another object such as a wall or a floor, the connecting body side connecting portion is separated from the surface of the wall or floor by rotating the L-shaped joint body with respect to the joint body. Therefore, piping for the connecting body side connecting portion can be easily performed without being obstructed by a wall surface or the like.
[0017]
According to invention of Claim 6, the said coupling main body is integrally provided with the fixed connection part for fixing with a positioning state with respect to another thing.
[0018]
Therefore, the joint body can be securely and easily fixed to other objects such as walls and floors by using the fixed connection portion provided on the joint body, and the joint body can be attached to the joint body. By performing the rotation operation, piping for the connecting body side connecting portion and the main body side connecting portion can be easily performed without being obstructed by other objects.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the connection joint for heat medium according to the present invention will be described with reference to the drawings.
This heat medium connection joint is used for, for example, a heating system for gas hot water, and the heating system is a heat source device that circulates hot water as a heat medium while heating as shown in FIG. Hot water supply apparatus A and a plurality of hot water mat type floor heating apparatuses B as terminal devices for heating the floor with hot water from hot water supply apparatus A.
[0020]
The hot water supply apparatus A is a gas combustion type hot water supply apparatus. The hot water supply apparatus A includes a heat source side supply pipe 1 that supplies hot water after heating to the floor heating apparatus B, and hot water supply apparatus that supplies hot water from the floor heating apparatus B. A heat source side return pipe 2 returning to A is connected, and the heat source side supply pipe 1 and the heat source side return pipe 2 are made of a synthetic resin flexible pipe.
Each floor heating apparatus B is connected to a terminal side supply pipe 3 to which hot water from the hot water supply apparatus A is supplied and a terminal side return pipe 4 for returning the hot water to the hot water supply apparatus A. These terminal side supply pipe 3 and the terminal The side return pipe 4 is also a flexible pipe made of synthetic resin.
[0021]
For example, a plurality of the heat source side supply pipes 1 and the terminal side supply pipes 3 are connected to one heat source side supply pipe 1, in this embodiment, six terminal side supply pipes 3. Six terminal-side return pipes 4 are connected to one heat source-side return pipe 2.
Therefore, between the heat source side supply pipe 1 and the terminal side supply pipe 3, a supply header 5 is connected as a heat medium connection joint that separates and supplies hot water from the heat source side supply pipe 1 in a plurality of ways. Similarly, a return header 6 serving as a heat-medium connecting joint that joins hot water from the plurality of terminal-side return pipes 4 and returns them to the hot water supply apparatus A between the heat source-side return pipe 2 and the terminal-side return pipe 4. Is intervening.
[0022]
Next, the supply header 5 and the return header 6 and various joints attached to the headers 5 and 6 will be described. The supply header 5 and its joint, and the return header 6 and its joint Since the flow direction is the same except that the flow direction is reversed, only the supply header 5 will be described and the return header 6 will not be described in order to avoid redundant description.
[0023]
As shown in FIGS. 2 and 3, the supply header 5 is formed as an integrally molded product made of synthetic resin, and includes a straight tubular joint body 7. One end of the joint body 7 has a heat source side. A heat source side opening 8 to which the supply pipe 1 is connected is provided, and the other end of the joint body 7 has an integral closing structure made of a synthetic resin. A resin L-shaped joint 9 and a linear joint 10 are connected.
[0024]
The L-shaped joint 9 includes a cylindrical header side insertion portion 11 as a connection portion to the joint body 7 that is inserted into the heat source side opening 8 of the supply header 5 and connected in an internally fitted state at one end thereof. The other end portion is provided with a connection opening portion 12 as a connecting body side connection portion for pipe connection, and is provided with a disc-like flange-like portion 13 protruding radially outward at the base of the header side insertion portion 11, and The header-side insertion portion 11 is fitted with a sealing O-ring 14 and is configured to be rotatable around an axis L along the longitudinal direction of the joint body 7.
[0025]
As shown in FIGS. 5 and 6, at the tip of the header-side insertion portion 11 of the L-shaped joint 9, three engagement protrusions 15 as engagement portions disposed at equal intervals around the axis L thereof. Are integrally projected and in the state corresponding to the engaging projections 15, the heat source side opening 8 of the joint body 7 is equidistant around the axis L as shown in FIGS. 4 and 6. Six engagement holes 16 are provided as disposed portions to be engaged, and three engagement protrusions 15 can be inserted into the six engagement holes 16. The engagement protrusion 15 on the side and the engagement hole 16 on the joint body 7 side are engaged by relative movement in the direction of the axis L of the joint body 7, and the relative position between the joint body 7 and the L-shaped joint 9 is determined. An engaging positioning unit for determining is configured.
[0026]
That is, the six engagement holes 16 are arranged at equal intervals around the axis L at an angle of 60 degrees, and the three engagement projections 15 are arranged at equal intervals at an angle of 120 degrees. Then, by selectively engaging the three engagement protrusions 15 with respect to the six engagement holes 16, the L-shaped joint 9 is moved around the axis L of the joint body 7 as shown in FIG. The angle is changed by 60 degrees so that positioning can be performed. With the engagement protrusion 15 engaged in the engagement hole 16, the flange 13 of the L-shaped joint 9 contacts the end surface of the joint body 7. It is configured to hit.
[0027]
The linear joint 10 includes a cylindrical header-side insertion portion 17 that is inserted into the connection opening 12 of the L-shaped joint 9 at one end thereof and connected in an internally fitted state, and the other end is supplied with a heat source side. A cylindrical tube inserted into the tube 1 and connected in an internally fitted state, and provided with a flexible tube side insertion portion 18 having a plurality of step portions for preventing the tube from being removed at the outer periphery, and the header side insertion portion 17 At the base, a disc-shaped flange-like part 19 is provided that contacts the end face of the connection opening 12 of the L-shaped joint 9, and a sealing O-ring 20 is fitted on the header-side insertion part 17. Yes.
[0028]
The outer periphery of the joint body 7 of the supply header 5 has a plurality of branch pipes in the state where the phases in the circumferential direction are the same and are aligned along the axis L direction of the cylinder. The branch pipes 21 are integrally formed of synthetic resin, and each branch pipe 21 is provided with a terminal side opening 22 as a main body side connection part for pipe connection to which the terminal side supply pipe 3 is connected. A synthetic resin Y-shaped joint 23 is connected to three of the four terminal-side openings 22, and a sealing plug 24 having an O-ring is inserted into the remaining terminal-side opening 22. Closed.
The joint body 7 of the supply header 5 is integrally formed with a fixed connecting portion 25 in a state where the phase is different by 180 degrees in the circumferential direction with respect to the branch pipe 21, and a wall is formed by a screw 26 or the like. It is configured to be fixed in a positioning state with respect to another object 27 such as a floor.
[0029]
The Y-shaped join 23 is inserted into the terminal-side opening 22 of the supply header 5 and connected to the inner fitting state, and is inserted into the terminal-side supply pipe 3 and fitted inside. A cylindrical shape connected to the state, and two flexible tube side insertion portions 29 having a plurality of step portions for preventing the pipe from being removed on the outer peripheral portion, and supplying hot water supplied from the supply header 5 The flow is divided and supplied from each flexible tube side insertion portion 29 to the terminal side supply tube 3.
Further, at the base of the header side insertion portion 28 of the Y-shaped joint 19, a disk-like bowl-shaped portion 30 that contacts the end face of the terminal side opening 22 provided in the branch pipe 21 is provided. An O-ring 31 for sealing is fitted on the insertion portion 28.
[0030]
The heat source side supply pipe 1 is externally fitted and connected to the flexible pipe side insertion portion 18 of the linear joint 10 connected to the joint body 7 of the supply header 5, and each Y type joint 23 is flexible. The terminal-side supply pipe 3 is externally fitted and connected to the pipe-side insertion portion 29, and if necessary, the straight joint 10 and the L-type joint 9, the L-type joint 9 and the supply header 5, and the branch pipe of the supply header 5 By fitting a fastener F made of a metal material between 21 and the Y-shaped joint 23, hot water heated by the hot water supply device A is passed through the heat source side supply pipe 1, the linear joint 10, and the L-shaped joint 9. Is supplied to the supply header 5, divided into three by this supply header 5 and supplied to the Y-type joint 23, and further divided into two by each Y-type joint 23, via the terminal-side supply pipe 3. It is configured to be supplied to each floor heater B Te.
[0031]
Although the description is omitted, the same applies to the return header 6 as a heat source connection joint, and hot water from each floor heating device B is supplied to the return header 6 via the terminal-side return pipe 4 and the Y-shaped joint 23. Then, they are merged by the return header 6 and returned to the hot water supply device A through the L-shaped joint 9, the linear joint 10, and the heat source side return pipe 2.
[0032]
[Another embodiment]
(1) In the previous embodiment, the example in which the engagement type positioning portions 15 and 16 for determining the relative positions of the joint body 7 and the L-shaped joint 9 as the coupling body are provided has been shown. The combined positioning parts 15 and 16 are not necessarily required, and the engaging positioning parts 15 and 16 can be omitted.
[0033]
(2) In the previous embodiment, the example in which the engagement type positioning portion is configured by the engagement protrusion 15 provided on the L-shaped joint 9 side and the engagement hole 16 provided on the joint body 7 side is shown. Contrary to the embodiment, the engaging projection 15 can be provided on the joint body 7 side, and the engaging hole 16 can be provided on the L-shaped joint 9 side to constitute the engaging positioning portion.
Various changes can be made to the number of the engagement protrusions 15 and the engagement holes 16 constituting the engagement type positioning portion. At least one engagement protrusion 15 may be provided. Two or more may be provided.
Further, as in the previous embodiment, for example, when the six engagement holes 16 are arranged at equal intervals with an angle of 60 degrees, the engagement protrusions 15 are one, two, three, Any of the six may be used, but as the number of the engagement protrusions 15 increases, the structure becomes more complicated, but the positioning of the joint body 7 and the L-shaped joint 9 becomes stronger.
Therefore, as shown in the previous embodiment, for example, it is desirable to provide about three engagement protrusions 15 for the six engagement holes 16 in terms of both the simplification of the structure and the strengthening of the positioning. .
Further, when the engagement holes 16 are arranged at equal intervals, the angle is not limited to 60 degrees as in the previous embodiment, and an appropriate angle such as 45 degrees or 30 degrees is selected, for example. The smaller the angle, the finer the positioning over a smaller angle becomes possible.
[0034]
(3) In the previous embodiment, the L-shaped joint 9 has been shown as an example of the connection body. However, the connection body is not limited to the L-shaped joint, and can be replaced with a linear joint. In the case of configuring with an L-shaped joint, for example, the L-shaped joint 9 and the linear joint 10 shown in the previous embodiment can be integrated, and the integrated structure can be implemented as a connector.
[0035]
(4) In the previous embodiment, the hot water mat type floor heating apparatus B was shown as an example of the terminal. However, this terminal may be replaced with a bathroom heating apparatus, a dishwasher, a fan convector, or the like. In addition, the hot water supply apparatus A can be replaced with an electric or petroleum hot water supply apparatus.
[Brief description of the drawings]
FIG. 1 is a schematic perspective view of a heating system. FIG. 2 is a partially cutaway front view of a header. FIG. 3 is a partially cutaway perspective view of a header. 5] Side view of L-shaped joint and cross-sectional view of main part [Fig. 6] Exploded perspective view of header and L-shaped joint [Fig. 7] Side view of header [Explanation of symbols]
5, 6 Connection joint for heat medium 7 Joint body 9 Link body 11 Connection portion 12 to joint body 12 Connection body side connection portion 15 Engagement portion 16 constituting engagement type positioning portion Engagement portion 22 constituting engagement type positioning portion Main body Side connection part 25 Fixed connection part 27 Other object L Axle

Claims (6)

外周部に端末器側への管接続用の本体側接続部を備えた直筒状の継手本体を有する熱媒用接続継手であって、
前記継手本体の長手方向の一端部に接続される連結体を備え、その連結体が、給湯装置側への管接続用の連結体側接続部を備え、かつ、前記継手本体の長手方向に沿う軸心周りに回転操作自在に構成されている熱媒用接続継手。
A heat-medium connection joint having a straight cylindrical joint body provided with a body-side connection portion for pipe connection to the terminal side on the outer periphery,
A coupling body connected to one end portion in the longitudinal direction of the joint body, the coupling body including a coupling body side connection portion for pipe connection to the hot water supply apparatus side , and an axis along the longitudinal direction of the joint body Connecting joint for heat medium that is configured to be freely rotatable around the core.
前記継手本体と連結体との継手本体の長手方向での相対移動により係合して、前記継手本体と連結体との相対位置を決める係合式位置決め部が設けられている請求項1に記載の熱媒用接続継手。The engagement type positioning part which engages by the relative movement in the longitudinal direction of the joint main body of the joint main body and the coupling body, and determines the relative position of the joint main body and the coupling body is provided. Connection joint for heat medium. 前記係合式位置決め部が、前記継手本体と連結体のいずれか一方に設けられた少なくともひとつの係合部と、他方において前記係合部と対応して前記軸心周りに設けられた複数の被係合部とで構成されている請求項2に記載の熱媒用接続継手。The engagement type positioning portion includes at least one engagement portion provided on one of the joint body and the coupling body, and a plurality of objects provided around the axis corresponding to the engagement portion on the other side. The connection joint for heat mediums of Claim 2 comprised by the engaging part. 前記本体側接続部が、前記継手本体の周方向同位相で、かつ、継手本体の長手方向に並べる状態で複数個備えて構成されている請求項1〜3のいずれか1項に記載の熱媒用接続継手。The heat according to any one of claims 1 to 3, wherein a plurality of the main body side connection portions are provided in a state of being arranged in the circumferential direction of the joint main body and arranged in the longitudinal direction of the joint main body. Connection joint for medium. 前記連結体が、その一端部に前記継手本体に対する接続部を備え、他端部に前記連結体側接続部を備えるL字状に構成されている請求項1〜4のいずれか1項に記載の熱媒用接続継手。The said coupling body is provided with the connection part with respect to the said coupling main body in the one end part, and is comprised in the L shape provided with the said coupling body side connection part in the other end part. Connection joint for heat medium. 前記継手本体が、他物に対して位置決め状態で固定するための固定連結部を一体的に備えて構成されている請求項1〜5のいずれか1項に記載の熱媒用接続継手。The connection joint for heat medium according to any one of claims 1 to 5, wherein the joint body is integrally provided with a fixed coupling portion for fixing the joint body to another object in a positioning state.
JP09272399A 1999-03-31 1999-03-31 Connection joint for heat medium Expired - Lifetime JP4127924B2 (en)

Priority Applications (1)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP09272399A JP4127924B2 (en) 1999-03-31 1999-03-31 Connection joint for heat medium

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JP2000283474A JP2000283474A (en) 2000-10-13
JP4127924B2 true JP4127924B2 (en) 2008-07-30

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