JP6970853B1 - Duct joint structure - Google Patents

Duct joint structure Download PDF

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JP6970853B1
JP6970853B1 JP2021121128A JP2021121128A JP6970853B1 JP 6970853 B1 JP6970853 B1 JP 6970853B1 JP 2021121128 A JP2021121128 A JP 2021121128A JP 2021121128 A JP2021121128 A JP 2021121128A JP 6970853 B1 JP6970853 B1 JP 6970853B1
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duct
screw portion
male screw
hollow cylindrical
valley
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JP2023016638A (en
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祐志 長井
真志 本郷
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Bishinken
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor

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Abstract

【課題】園芸農業を行うための構築物施設内に配設するダクトどうしを簡単な作業によって精度高く接合する。【解決手段】中空円筒形かつ内側が蛇腹構造の雌ねじ部と、内側に螺旋状のねじ山を備え、蛇腹構造の谷部位に該谷部位内を移動可能に設置され、Ｃ形形状を成すリング部と、一端につば部を備える中空円筒形かつ該円筒形の外側に螺旋状の溝を備える雄ねじ部と、を備え、一のダクト上にある孔に、つば部が一のダクトの内側となるように雄ねじ部を通し、雌ねじ部の内側を通って、先端が雌ねじ部の外側を覆う位置まで他のダクトを通し、雄ねじ部の円筒形部位に雌ねじ部の中空円筒形部位を差し込んだ後、他のダクトを回転させることなく、雌ねじ部の中空円筒形部位を回転させる。【選択図】図９PROBLEM TO BE SOLVED: To join ducts arranged in a construction facility for horticultural agriculture with high accuracy by a simple operation. SOLUTION: A ring having a hollow cylindrical and internal bellows structure and a spiral thread on the inside, and being movably installed in the valley portion of the bellows structure to form a C-shape. A hollow cylindrical body with a brim at one end and a male threaded part with a spiral groove on the outside of the cylinder, with a hole on one duct and a brim on the inside of one duct. After passing the male threaded part through the male threaded part, passing through the inside of the female threaded part, passing another duct until the tip covers the outside of the female threaded part, and inserting the hollow cylindrical part of the female threaded part into the cylindrical part of the male threaded part. , Rotate the hollow cylindrical portion of the female thread without rotating the other duct. [Selection diagram] FIG. 9

Description

ビニールハウスのような園芸農業を行うための構築物施設内に配設する柔らかいダクトどうしを接合するダクト接合構造の技術に関する。 It relates to a technique of a duct joining structure for joining soft ducts arranged in a construction facility for horticultural agriculture such as a vinyl house.

ビニールハウスのような園芸農業を行うための施設内では、作物の光合成を促進させるために、二酸化炭素発生装置を用いて発生させた二酸化炭素を供給する場合がある。そのとき、各作物に適切な量の二酸化炭素を偏りなく供給し、作物を傷つけないようにするために、例えば、ビニールのように柔らかい材質の二酸化炭素供給用ダクトを施設内にきめ細やかに張り巡らせる。なお、上記した柔らかい材質のダクトは、園芸農業を行うための施設内において、暖房用のダクトとしても使用され、配設される場合がある。 In a facility for horticultural farming such as a greenhouse, carbon dioxide generated by using a carbon dioxide generator may be supplied in order to promote photosynthesis of crops. At that time, in order to supply an appropriate amount of carbon dioxide to each crop evenly and not to damage the crop, for example, a carbon dioxide supply duct made of a soft material such as vinyl is finely installed in the facility. Let go around. The duct made of the soft material described above may also be used and arranged as a duct for heating in a facility for horticultural agriculture.

ここで、上記ダクト表面には二酸化炭素放出用の小さな孔が設置されている。そして、作物へ安定的に二酸化炭素を供給するため、その孔が作物の無い方を向いたり、同じ方向ばかりを向いたり、又は、地面の方を向いて実質的に孔が塞がれた状態となったりしないように、上記ダクトを孔の位置を考慮して適切に敷設する必要がある。
また、二酸化炭素供給用ダクトは、二酸化炭素発生装置に近い親ダクトと分岐先の子ダクトとを接合していくことによって、施設内に適切に敷設される。 Here, a small hole for releasing carbon dioxide is installed on the surface of the duct. Then, in order to stably supply carbon dioxide to the crop, the hole faces the direction without the crop, faces only in the same direction, or faces the ground, and the hole is substantially closed. It is necessary to properly lay the duct in consideration of the position of the hole so as not to become.
In addition, the carbon dioxide supply duct is appropriately laid in the facility by joining the parent duct close to the carbon dioxide generator and the child duct at the branch destination.

特開２０２０−１３００６４号公報Japanese Unexamined Patent Publication No. 2020-130064

しかしながら、従来、上記のようなダクトの接合は、接合用器具の性能の低さに基づき接合部分において気体の漏れが生じたり、ダクト表面の孔の向き・位置を考慮して作業を行う必要があるため、接合作業が煩雑であったりするという問題点があった。 However, conventionally, when joining a duct as described above, it is necessary to consider the direction and position of holes on the surface of the duct, such as gas leakage at the joint portion due to the low performance of the joining tool. Therefore, there is a problem that the joining work is complicated.

そこで本発明では、上記問題点に鑑み、園芸農業を行うための構築物施設内に配設する柔らかいダクトどうしを簡単な作業によって精度高く接合するためのダクト接合構造を提供することを目的とする。 Therefore, in view of the above problems, it is an object of the present invention to provide a duct joining structure for joining soft ducts arranged in a structure facility for horticultural agriculture with high accuracy by a simple operation.

開示するダクト接合構造の一形態は、中空円筒形かつ内側が蛇腹構造の雌ねじ部と、内側に螺旋状のねじ山を備え、前記蛇腹構造の谷部位に該谷部位内を移動可能に設置され、円形の一部が欠けているＣ形形状を成すリング部と、一端につば部を備える中空円筒形かつ該円筒形の外側に螺旋状の溝を備える雄ねじ部と、を備え、前記リング部が前記谷部位との摩擦によって該谷部位内の移動を規制されるとき、前記リング部の前記ねじ山が前記雄ねじ部の前記溝に沿って移動し、前記雌ねじ部の前記雄ねじ部上での締め付けが可能なジョイント装置と、前記雄ねじ部の前記円筒形部位の直径と略同じ大きさの孔を有し、柔軟性を備える一のダクトと、柔軟性を備える他のダクトと、を有し、前記一のダクト上にある前記孔に、前記雄ねじ部の前記つば部が前記一のダクトの内側となるように、前記雄ねじ部の円筒形部位を通し、また、前記雌ねじ部及び前記リング部のＣ形形状部位の内側を通って、先端が前記雌ねじ部の外側を覆う位置まで前記他のダクトを通し、前記雄ねじ部の円筒形部位に前記雌ねじ部の前記中空円筒形部位を差し込んだ後、前記リング部が前記谷部位との摩擦によって該谷部位内の移動を規制される状態で、前記他のダクトを回転させることなく、前記雌ねじ部の中空円筒形部位を回転させ、前記雌ねじ部を前記雄ねじ部上で締め付けることによって、前記一のダクトと前記他のダクトとの接合を行うことを特徴とする。 One form of the disclosed duct joint structure is provided with a hollow cylindrical female screw portion having a bellows structure inside and a spiral thread inside, and is installed in the valley portion of the bellows structure so as to be movable in the valley portion. The ring portion is provided with a C-shaped ring portion in which a part of the circle is missing, and a hollow cylindrical portion having a brim portion at one end and a male screw portion having a spiral groove on the outside of the cylindrical shape. When movement in the valley portion is restricted by friction with the valley portion, the thread of the ring portion moves along the groove of the male screw portion, and the female screw portion is moved on the male screw portion. It has a joint device that can be tightened, one duct that has a hole of substantially the same size as the diameter of the cylindrical portion of the male threaded portion and has flexibility, and another duct that has flexibility. The cylindrical portion of the male screw portion is passed through the hole on the one duct so that the brim portion of the male screw portion is inside the one duct, and the female screw portion and the ring portion are also passed. After passing through the inside of the C-shaped portion of the above and passing the other duct to a position where the tip covers the outside of the female threaded portion, and inserting the hollow cylindrical portion of the female threaded portion into the cylindrical portion of the male threaded portion. In a state where the ring portion is restricted from moving in the valley portion by friction with the valley portion, the hollow cylindrical portion of the female screw portion is rotated without rotating the other duct, and the female screw portion is rotated. Is fastened on the male screw portion to join the one duct to the other duct.

開示するダクト接合構造は、園芸農業を行うための構築物施設内に配設するダクトどうしを簡単な作業によって精度高く接合する。 The disclosed duct joining structure joins ducts arranged in a building facility for horticultural agriculture with high accuracy by a simple operation.

本実施の形態に係る雌ねじ部の斜視図である。It is a perspective view of the female thread part which concerns on this embodiment. 本実施の形態に係るリング部の斜視図である。It is a perspective view of the ring part which concerns on this embodiment. 本実施の形態に係るリング部の斜視図である。It is a perspective view of the ring part which concerns on this embodiment. 本実施の形態に係る雄ねじ部の斜視図である。It is a perspective view of the male thread part which concerns on this embodiment. 本実施の形態に係るリング部を雌ねじ部の谷部位に設置した図である。It is a figure which installed the ring part which concerns on this embodiment in the valley part of the female thread part. 本実施の形態に係る雄ねじ部をダクトに挿通させた状態を示す図である。It is a figure which shows the state which the male thread part which concerns on this embodiment is inserted into a duct. 本実施の形態に係る雄ねじ部をダクトに挿通させた状態を示す図である。It is a figure which shows the state which the male thread part which concerns on this embodiment is inserted into a duct. 本実施の形態に係る雌ねじ部にダクトを装着した状態を示す図である。It is a figure which shows the state which attached the duct to the female thread part which concerns on this embodiment. 本実施の形態に係るダクト接合構造（雌ねじ部及び雄ねじ部によってダクトを接合した状態）を示す図である。It is a figure which shows the duct joining structure (state which the duct is joined by the female thread part and the male thread part) which concerns on this embodiment.

図面を参照しながら、本発明を実施するための形態について説明する。
（本実施の形態に係るダクト接合構造） A mode for carrying out the present invention will be described with reference to the drawings.
(Duct joining structure according to this embodiment)

図１乃至５を用いて、本実施の形態に係るダクト接合構造１の構造について説明する。ダクト接合構造１は、ジョイント装置２、ダクト２０、２２で構成される。ジョイント装置２は、ビニールハウスのような園芸農業を行うための構築物施設（栽培室）２６内に設置されるダクト２０、２２を接合するための装置である。ダクト２０、２２は、例えば、ビニールの様な軟質プラスチック製（プラスチックフィルム製）の管であるが、その材質は特に限定されない。 The structure of the duct joining structure 1 according to the present embodiment will be described with reference to FIGS. 1 to 5. The duct joining structure 1 is composed of a joint device 2, ducts 20 and 22. The joint device 2 is a device for joining ducts 20 and 22 installed in a structure facility (cultivation room) 26 for performing horticultural agriculture such as a vinyl house. The ducts 20 and 22 are tubes made of soft plastic (made of plastic film) such as vinyl, but the material thereof is not particularly limited.

また、ダクト２０、２２は、構築物施設２６内で栽培される作物の光合成を促進させるために、二酸化炭素発生装置を用いて発生させた二酸化炭素を供給するための設備であり、施設２６内にきめ細やかに張り巡らせられる。ここで、ダクト２０、２２は、表面に二酸化炭素放出用の小さな孔２４を備えている。なお、ダクト２０、２２は、構築物施設２６内に配設される暖房用ダクトであっても良く、その場合、ダクト２０、２２上の孔２４は、温風を放出するためのものとなる。以下では便宜上、ダクト２０、２２を二酸化炭素放出用のものとして説明する。 Further, the ducts 20 and 22 are facilities for supplying carbon dioxide generated by using a carbon dioxide generator in order to promote photosynthesis of crops cultivated in the structure facility 26, and are in the facility 26. It can be laid out in detail. Here, the ducts 20 and 22 are provided with small holes 24 for carbon dioxide emission on the surface. The ducts 20 and 22 may be heating ducts arranged in the structure facility 26, in which case the holes 24 on the ducts 20 and 22 are for discharging warm air. Hereinafter, for convenience, the ducts 20 and 22 will be described as those for carbon dioxide emission.

ダクト２０、２２は、作物へ安定的に二酸化炭素を供給するため、その孔２４の位置を考慮して適切に敷設する必要があるので、作業者は、ダクト２０、２２の接合作業によって、ダクト２０、２２の孔２４の位置を変更したくないし、孔２４の位置を気にしながら、ダクト２０、２２の接合作業を行いたくない。 Since the ducts 20 and 22 need to be laid appropriately in consideration of the positions of the holes 24 in order to stably supply carbon dioxide to the crops, the operator can perform the ducts by joining the ducts 20 and 22. I do not want to change the positions of the holes 24 of 20 and 22, and I do not want to perform the joining work of the ducts 20 and 22 while paying attention to the positions of the holes 24.

そこで、ジョイント装置２は、ダクト２０、２２の接合作業において、孔２４の位置を変更せずに済み、また、孔２４の位置を気にしながらの作業を行う必要がないようにする。また、ジョイント装置２は、ダクト２０、２２の接合箇所における気密性も担保することができる。
図１乃至５で示すように、ジョイント装置２は、雌ねじ部４、リング部１０、雄ねじ部１４を有する。
図１で示すように、雌ねじ部４は、中空円筒形を成し、かつ、内側が蛇腹構造（山折りと谷折りの繰り返し構造）６を成す。 Therefore, the joint device 2 does not need to change the position of the hole 24 in the joining work of the ducts 20 and 22, and does not need to pay attention to the position of the hole 24. Further, the joint device 2 can also ensure the airtightness at the joint portion of the ducts 20 and 22.
As shown in FIGS. 1 to 5, the joint device 2 has a female screw portion 4, a ring portion 10, and a male screw portion 14.
As shown in FIG. 1, the female screw portion 4 has a hollow cylindrical shape, and the inside has a bellows structure (repeated structure of mountain fold and valley fold) 6.

図２、３及び５で示すように、リング部１０は、内側に螺旋状のねじ山１２を備え、蛇腹構造６の谷部位８に該谷部位６内を移動可能に設置され、円形の一部が欠けているＣ形形状を成す。 As shown in FIGS. It forms a C-shape with a missing part.

図４で示すように、雄ねじ部１４は、中空円筒形を成し、また、一端に該中空円筒形からはみ出すように出っ張ったつば部１６を備え、かつ、該中空円筒形の外側面に螺旋状の溝１８を備える。 As shown in FIG. 4, the male threaded portion 14 has a hollow cylindrical shape, has a brim portion 16 protruding from the hollow cylindrical shape at one end, and spirals on the outer surface of the hollow cylindrical shape. A groove 18 having a shape is provided.

なお、雄ねじ部１４の中空円筒形部位は、雌ねじ部４の中空円筒形部位に挿通させることができる、つまり、雌ねじ部４の中空円筒形部位の直径は、雄ねじ部１４の中空円筒形部位の直径よりも少しだけ大きい。 The hollow cylindrical portion of the male threaded portion 14 can be inserted into the hollow cylindrical portion of the female threaded portion 4, that is, the diameter of the hollow cylindrical portion of the female threaded portion 4 is the same as that of the hollow cylindrical portion of the male threaded portion 14. It is slightly larger than the diameter.

ジョイント装置２では、リング部１０が谷部位８との摩擦によって谷部位８内の移動を規制されるとき、リング部１０のねじ山１２を雄ねじ部１４の溝１８に沿って移動させることによって、雌ねじ部４を雄ねじ部１４上で締め付けることが可能である。雌ねじ部４をその反対方向に回せば、雄ねじ部１４上で雌ねじ部４の締め付け解除を行うことが可能である。 In the joint device 2, when the ring portion 10 is restricted from moving in the valley portion 8 due to friction with the valley portion 8, the thread 12 of the ring portion 10 is moved along the groove 18 of the male thread portion 14. The female threaded portion 4 can be tightened on the male threaded portion 14. By turning the female threaded portion 4 in the opposite direction, it is possible to release the tightening of the female threaded portion 4 on the male threaded portion 14.

図７及び８で示すように、ジョイント装置２は、ダクト２０、２２を接合するとき、一方のダクト２２を、雌ねじ部４及びリング部１０の内側を通し、さらに、ダクト２２の先端が雌ねじ部４の外側を覆う位置まで通した状態で、接合作業を行う。なお、ジョイント装置２では、ダクト２０、２２の接合作業時、雄ねじ部１４に挿通させた雌ねじ部４の締め付け動作を行う。 As shown in FIGS. 7 and 8, when joining the ducts 20 and 22, the joint device 2 passes one duct 22 through the inside of the female thread portion 4 and the ring portion 10, and further, the tip of the duct 22 is a female thread portion. The joining work is performed with the duct passed to a position that covers the outside of 4. In the joint device 2, when the ducts 20 and 22 are joined, the female screw portion 4 inserted through the male screw portion 14 is tightened.

上記のような構造に基づいて、ダクト結合構造１（ジョイント装置２）は、園芸農業を行うための構築物施設２６内に配設するダクト２０、２２どうしを簡単な作業によって精度高く接合することができる。
（本実施の形態に係るダクト接合方法） Based on the above structure, the duct coupling structure 1 (joint device 2) can join the ducts 20 and 22 arranged in the structure facility 26 for horticultural agriculture with high accuracy by a simple operation. can.
(Duct joining method according to this embodiment)

図６乃至９を用いて、ダクト接合構造１におけるダクト接合方法について説明する。なお、構築施設２６内に供給する二酸化炭素を発生させる二酸化炭素発生装置に近い方の親ダクトを一のダクト２０とし、親ダクトから分岐する子ダクトを他のダクト２２とする。 The duct joining method in the duct joining structure 1 will be described with reference to FIGS. 6 to 9. The parent duct closer to the carbon dioxide generator that generates carbon dioxide supplied to the construction facility 26 is referred to as one duct 20, and the child duct branching from the parent duct is referred to as the other duct 22.

図６で示すように、作業者は、雄ねじ部１４の円筒形部位の直径と略同じ大きさの孔であって、一のダクト２０上の孔２４に、雄ねじ部１４のつば部１６が一のダクト２０の内側となるように、雄ねじ部１４の円筒形部位を通す。 As shown in FIG. 6, the operator has a hole having substantially the same size as the diameter of the cylindrical portion of the male threaded portion 14, and the brim portion 16 of the male threaded portion 14 is provided in the hole 24 on one duct 20. Pass the cylindrical portion of the male threaded portion 14 so as to be inside the duct 20 of the above.

図７及び８で示すように、作業者は、次に、雌ねじ部４及びリング部１０の内側を通って、先端が雌ねじ部の外側（の一部）を覆う位置まで他のダクト２２を通す。 As shown in FIGS. 7 and 8, the operator then passes the other duct 22 through the inside of the female thread portion 4 and the ring portion 10 until the tip covers (a part of) the outside of the female thread portion. ..

図９で示すように、作業者は、その次に、雄ねじ部１４の円筒形部位に、内側が他のダクト２２で覆われた雌ねじ部４の中空円筒形部位を差し込む。この状態で、一のダクト２０の外側面（つば部１６の外側付近）と（雌ねじ部４の開口部付近の）他のダクト２２とが当接している。 As shown in FIG. 9, the operator then inserts the hollow cylindrical portion of the female screw portion 4 whose inside is covered with another duct 22 into the cylindrical portion of the male screw portion 14. In this state, the outer surface of one duct 20 (near the outside of the brim portion 16) and the other duct 22 (near the opening of the female thread portion 4) are in contact with each other.

そして、作業者は、リング部１０が谷部位８との摩擦によって谷部位８内の移動を規制される状態で、他のダクト２２を回転させることなく、雌ねじ部４の中空円筒形部位を握って回転させ、雌ねじ部４を雄ねじ部１４上で締め付ける（雌ねじ部４の締め付け動作を行う）ことによって、一のダクト２０と他のダクト２２との接合を行う。この状態で、当接していた一のダクト２０と他のダクト２２とは、つば部１６と雌ねじ部４の開口部とで挟着され、ダクト２０、２２の気密性が保たれる。 Then, the operator grips the hollow cylindrical portion of the female screw portion 4 without rotating the other duct 22 in a state where the ring portion 10 is restricted from moving in the valley portion 8 due to friction with the valley portion 8. The female threaded portion 4 is tightened on the male threaded portion 14 (the female threaded portion 4 is tightened), whereby one duct 20 and the other duct 22 are joined. In this state, one duct 20 and the other duct 22 that are in contact with each other are sandwiched between the brim portion 16 and the opening of the female screw portion 4, and the airtightness of the ducts 20 and 22 is maintained.

上記のように、ダクト２０、２２の接合作業において、子ダクトである他のダクト２２は回転させずに、雌ねじ部４のみを回転させるので、他のダクト２２の表面に設置される孔２４の向き・位置は、ダクト２０、２２の接合作業の前後において、不変である。 As described above, in the joining work of the ducts 20 and 22, only the female thread portion 4 is rotated without rotating the other duct 22 which is a child duct, so that the hole 24 installed on the surface of the other duct 22 The orientation and position do not change before and after the joining work of the ducts 20 and 22.

上記のようにして、ダクト接合構造１は、園芸農業を行うための構築物施設２６内に配設するダクト２０、２２どうしを簡単な作業によって精度高く接合することができる。 As described above, the duct joining structure 1 can join the ducts 20 and 22 arranged in the structure facility 26 for horticultural agriculture with high accuracy by a simple operation.

以上、本発明の実施の形態について詳述したが、本発明は係る特定の実施の形態に限定されるものではなく、特許請求の範囲に記載された本発明の要旨の範囲において、種々の変形・変更が可能である。 Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the specific embodiments thereof, and various modifications are made within the scope of the gist of the present invention described in the claims.・ Can be changed.

１ ダクト結合構造
２ ジョイント装置
４ 雌ねじ部
６ 蛇腹構造
８ 蛇腹構造の谷部位
１０ リング部
１２ 螺旋状のねじ山
１４ 雄ねじ部
１６ つば部
１８ 螺旋状の溝
２０ 一のダクト
２２ 他のダクト
２４ 他のダクト上の孔
２６ 園芸農業を行うための構築施設
1 Duct connection structure 2 Joint device 4 Female thread part 6 Bellows structure 8 Valley part of bellows structure 10 Ring part 12 Spiral thread 14 Male thread part 16 Brim part 18 Spiral groove 20 One duct 22 Other duct 24 Other Hole on the duct 26 Construction facility for horticultural agriculture

Claims (4)

中空円筒形かつ内側が蛇腹構造の雌ねじ部と、内側に螺旋状のねじ山を備え、前記蛇腹構造の谷部位に該谷部位内を移動可能に設置され、円形の一部が欠けているＣ形形状を成すリング部と、一端につば部を備える中空円筒形かつ該円筒形の外側に螺旋状の溝を備える雄ねじ部と、を備え、前記リング部が前記谷部位との摩擦によって該谷部位内の移動を規制されるとき、前記リング部の前記ねじ山が前記雄ねじ部の前記溝に沿って移動し、前記雌ねじ部の前記雄ねじ部上での締め付けが可能なジョイント装置と、
前記雄ねじ部の前記円筒形部位の直径と略同じ大きさの孔を有し、柔軟性を備える一のダクトと、
柔軟性を備える他のダクトと、を有し、
前記一のダクト上にある前記孔に、前記雄ねじ部の前記つば部が前記一のダクトの内側となるように、前記雄ねじ部の円筒形部位を通し、また、前記雌ねじ部及び前記リング部のＣ形形状部位の内側を通って、先端が前記雌ねじ部の外側を覆う位置まで前記他のダクトを通し、前記雄ねじ部の円筒形部位に前記雌ねじ部の前記中空円筒形部位を差し込んだ後、前記リング部が前記谷部位との摩擦によって該谷部位内の移動を規制される状態で、前記他のダクトを回転させることなく、前記雌ねじ部の中空円筒形部位を回転させ、前記雌ねじ部を前記雄ねじ部上で締め付けることによって、前記一のダクトと前記他のダクトとの接合を行うことを特徴とするダクト接合構造。 A hollow cylindrical female thread with a bellows structure on the inside and a spiral thread on the inside, which is movably installed in the valley of the bellows structure and lacks a part of the circle. It is provided with a ring portion forming a shape and a male screw portion having a hollow cylindrical shape having a brim at one end and a spiral groove on the outside of the cylindrical shape, and the ring portion has the valley portion due to friction with the valley portion. When the movement within the site is restricted, the thread of the ring portion moves along the groove of the male screw portion, and the female screw portion can be tightened on the male screw portion.
A duct having a hole having a hole substantially the same size as the diameter of the cylindrical portion of the male thread portion and having flexibility.
With other ducts, which have flexibility,
A cylindrical portion of the male screw portion is passed through the hole on the one duct so that the brim portion of the male screw portion is inside the one duct, and the female screw portion and the ring portion. After passing through the inside of the C-shaped portion and passing the other duct to a position where the tip covers the outside of the female screw portion, and inserting the hollow cylindrical portion of the female screw portion into the cylindrical portion of the male screw portion. In a state where the ring portion is restricted from moving in the valley portion by friction with the valley portion, the hollow cylindrical portion of the female screw portion is rotated without rotating the other duct, and the female screw portion is formed. A duct joining structure characterized in that the one duct and the other duct are joined by tightening on the male screw portion. 前記一のダクトと前記他のダクトとが、園芸農業を行うための構築施設内に配設されるビニール製のダクトであることを特徴とする請求項１に記載のダクト接合構造。 The duct joining structure according to claim 1, wherein the one duct and the other duct are vinyl ducts arranged in a construction facility for performing horticultural agriculture. 中空円筒形かつ内側が蛇腹構造の雌ねじ部と、内側に螺旋状のねじ山を備え、前記蛇腹構造の谷部位に該谷部位内を移動可能に設置され、円形の一部が欠けているＣ形形状を成すリング部と、一端につば部を備える中空円筒形かつ該円筒形の外側に螺旋状の溝を備える雄ねじ部と、を備え、前記リング部が前記谷部位との摩擦によって該谷部位内の移動を規制されるとき、前記リング部の前記ねじ山が前記雄ねじ部の前記溝に沿って移動し、前記雌ねじ部の前記雄ねじ部上での締め付けが可能なジョイント装置と、
前記雄ねじ部の前記円筒形部位の直径と略同じ大きさの孔を有し、柔軟性を備える一のダクトと、
柔軟性を備える他のダクトと、を有するダクト接合構造におけるダクト接合方法であって、
前記一のダクト上にある前記孔に、前記雄ねじ部の前記つば部が前記一のダクトの内側となるように、前記雄ねじ部の円筒形部位を通し、また、前記雌ねじ部及び前記リング部のＣ形形状部位の内側を通って、先端が前記雌ねじ部の外側を覆う位置まで前記他のダクトを通し、前記雄ねじ部の円筒形部位に前記雌ねじ部の前記中空円筒形部位を差し込んだ後、前記リング部が前記谷部位との摩擦によって該谷部位内の移動を規制される状態で、前記他のダクトを回転させることなく、前記雌ねじ部の中空円筒形部位を回転させ、前記雌ねじ部を前記雄ねじ部上で締め付けることによって、前記一のダクトと前記他のダクトとの接合を行うことを特徴とするダクト接合方法。 A hollow cylindrical female thread with a bellows structure on the inside and a spiral thread on the inside, which is movably installed in the valley of the bellows structure and lacks a part of the circle. It is provided with a ring portion forming a shape and a male screw portion having a hollow cylindrical shape having a brim at one end and a spiral groove on the outside of the cylindrical shape, and the ring portion has the valley portion due to friction with the valley portion. When the movement within the site is restricted, the thread of the ring portion moves along the groove of the male screw portion, and the female screw portion can be tightened on the male screw portion.
A duct having a hole having a hole substantially the same size as the diameter of the cylindrical portion of the male thread portion and having flexibility.
A duct joining method in a duct joining structure with other ducts having flexibility.
A cylindrical portion of the male screw portion is passed through the hole on the one duct so that the brim portion of the male screw portion is inside the one duct, and the female screw portion and the ring portion. After passing through the inside of the C-shaped portion and passing the other duct to a position where the tip covers the outside of the female screw portion, and inserting the hollow cylindrical portion of the female screw portion into the cylindrical portion of the male screw portion. In a state where the ring portion is restricted from moving in the valley portion by friction with the valley portion, the hollow cylindrical portion of the female screw portion is rotated without rotating the other duct, and the female screw portion is formed. A duct joining method comprising joining the one duct to the other duct by tightening on the male screw portion. 前記一のダクトと前記他のダクトとが、園芸農業を行うための構築施設内に配設されるビニール製のダクトであることを特徴とする請求項３に記載のダクト接合方法。





The duct joining method according to claim 3, wherein the one duct and the other duct are vinyl ducts arranged in a construction facility for performing horticultural agriculture.
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6091880U (en) * 1983-11-29 1985-06-22 臼井国際産業株式会社 End connection structure using flexible hose insertion method
US5314212A (en) * 1991-09-03 1994-05-24 Gcs Innovations, Inc. Duct connector for leakfree attachment to the curved sidewall of highly flexible trunkline duct
JPH109655A (en) * 1996-06-21 1998-01-16 Kametaya:Kk Fluid moving passage network using flexible duct, method for branching its passage and branching implement
JP2007113803A (en) * 2005-10-18 2007-05-10 Shin Nippon Air Technol Co Ltd Combination structure of duct main body and flexible branching pipe
JP2009079838A (en) * 2007-09-26 2009-04-16 Kurimoto Ltd Duct connecting structure
JP2017158483A (en) * 2016-03-09 2017-09-14 パナソニックＩｐマネジメント株式会社 Method of installing gas application apparatus, gas application apparatus, and agricultural house with gas application apparatus
KR102260546B1 (en) * 2020-11-30 2021-06-07 손정환 distribution-type cold-temperature wind multi-stage duct

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6091880U (en) * 1983-11-29 1985-06-22 臼井国際産業株式会社 End connection structure using flexible hose insertion method
US5314212A (en) * 1991-09-03 1994-05-24 Gcs Innovations, Inc. Duct connector for leakfree attachment to the curved sidewall of highly flexible trunkline duct
JPH109655A (en) * 1996-06-21 1998-01-16 Kametaya:Kk Fluid moving passage network using flexible duct, method for branching its passage and branching implement
JP2007113803A (en) * 2005-10-18 2007-05-10 Shin Nippon Air Technol Co Ltd Combination structure of duct main body and flexible branching pipe
JP2009079838A (en) * 2007-09-26 2009-04-16 Kurimoto Ltd Duct connecting structure
JP2017158483A (en) * 2016-03-09 2017-09-14 パナソニックＩｐマネジメント株式会社 Method of installing gas application apparatus, gas application apparatus, and agricultural house with gas application apparatus
KR102260546B1 (en) * 2020-11-30 2021-06-07 손정환 distribution-type cold-temperature wind multi-stage duct

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