JP7128458B2 - Window hole opening and closing mechanism for agricultural greenhouses - Google Patents

Window hole opening and closing mechanism for agricultural greenhouses Download PDF

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Publication number
JP7128458B2
JP7128458B2 JP2017172514A JP2017172514A JP7128458B2 JP 7128458 B2 JP7128458 B2 JP 7128458B2 JP 2017172514 A JP2017172514 A JP 2017172514A JP 2017172514 A JP2017172514 A JP 2017172514A JP 7128458 B2 JP7128458 B2 JP 7128458B2
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skylight
arm
push
spring
coil spring
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JP2018042553A (en
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麿 玉城
健次 宮城
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Okinawa Prefectural Government
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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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/14—Measures for saving energy, e.g. in green houses

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  • Greenhouses (AREA)
  • Catching Or Destruction (AREA)

Description

本発明は、農業用ハウスの天窓や壁窓の開閉を引っ張りコイルバネ等のバネ力を利用して
安価に提供する。 To inexpensively provide opening and closing of a skylight or a wall window of an agricultural house by utilizing a spring force such as a tension coil spring.

農業用ハウスの天窓をモータの力で開閉可能とした省力型が有るが問題が多く、この問題を解消すべく特許文献１のような構成が提案されている。すなわち、特許文献１の構造は、ビニールハウスに取付けたパイプに、曲げたアームの一端を差し込み、前記アームの他端にモータ取付け台を吊るし、このモータ取付け台にモータを取付ける。そして、モータシャフトにユニバーサルジョイントと巻き上げパイプを取付けてある。このような構造にすると、アームの先端が首振りしてモータを適当な位置に運ぶと共に、アームに支持されたモータが首振り可能なため、ユニバーサルジョイントに無理な力を加えることがない、という。 There is a labor-saving type in which the skylight of an agricultural house can be opened and closed by the force of a motor, but there are many problems. That is, in the structure of Patent Document 1, one end of a bent arm is inserted into a pipe attached to a greenhouse, a motor mounting base is hung from the other end of the arm, and a motor is mounted on this motor mounting base. A universal joint and a winding pipe are attached to the motor shaft. With such a structure, the tip of the arm swings to bring the motor to an appropriate position, and the motor supported by the arm can swing, so there is no need to apply excessive force to the universal joint. .

実公平６-47253号公報 Japanese Utility Model Publication No. 6-47253

しかしながら、特許文献１のような構造では、依然として構造が複雑に成るほか、モータを用いるため、高価な窓穴開閉機構となる。
本発明の技術的課題は、このような問題に着目し、モータを使用しないでも天窓や側窓をバネ圧で開閉可能とし、かつ安価な構造で窓穴を開閉可能とする。 However, the structure as disclosed in Patent Document 1 is still complicated in structure, and the use of a motor results in an expensive window hole opening/closing mechanism.
The technical problem of the present invention is to focus on such a problem and to open and close the skylight and the side window by spring pressure without using a motor, and to open and close the window hole with an inexpensive structure.

本発明の技術的課題は次のような手段によって解決される。請求項１は、天窓を押し開けるＵ字状の押し上げアームの両上端を天窓の左右の枠に軸支してあり、一方前記押し上げアームの下端のＵ字状中間部に操作用のロープを連結してあり、しかも前記押し上げアームの高さ寸法より短い引っ張りコイルバネがハウス側の天井と前記押し上げアーム下端又は下端寄りとの間に張設してあることを特徴とする農業用ハウスの窓穴開閉機構である。 The technical problems of the present invention are solved by the following means. According to claim 1, both upper ends of a U-shaped push-up arm for pushing the skylight open are pivotally supported on the left and right frames of the skylight, and a rope for operation is connected to the U-shaped intermediate portion of the lower end of the push-up arm. and a tension coil spring shorter than the height dimension of the push-up arm is stretched between the ceiling on the house side and the lower end or near the lower end of the push-up arm. mechanism.

請求項２は、前記の操作ロープの所定の位置をハウス側に固定する構造としたことを特徴
とする請求項１に記載の農業用ハウスの窓穴開閉機構である。 Claim 2 is the window hole opening/closing mechanism for an agricultural house according to claim 1, characterized in that a predetermined position of the operating rope is fixed to the house.

請求項３は、前記の押し上げアームの下端と前記操作ロープとの間に緩衝用の引っ張りコ
イルバネを介在させたことを特徴とする請求項１又は請求項２に記載の農業用ハウスの窓
穴開閉機構である。 According to a third aspect, a tension coil spring for buffering is interposed between the lower end of the push-up arm and the operating rope. mechanism.

請求項４は、前記の天窓の開口を閉じる防虫ネットをＶ字状に二つ折りにして、その折り
目を天窓の開閉支点側にバネで引っ張る構造としたことを特徴とする請求項１から請求項
３までのいずれかに記載の農業用ハウスの窓穴開閉機構である。 Claim 4 is characterized in that the insect-proof net for closing the opening of the skylight is folded in two in a V-shape, and the fold is pulled toward the opening/closing fulcrum of the skylight by a spring. 3. A window hole opening and closing mechanism for an agricultural house according to any one of 3 to 3 above.

請求項１のように、天窓を押し開けるＵ字状の押し上げアームの両上端を天窓の左右の枠に軸支してあるので、押し上げアームの両上端を上下することで、天窓を開閉できる。一方、前記押し上げアームの下端のＵ字状中間部に操作用のロープを連結してあるので、この操作用ロープを引くと、天窓が引き下げられて閉じられる。しかも前記押し上げアームの高さ寸法より短い引張りコイルバネＳがハウス側の天井と前記押し上げアーム下端又は下端寄りとの間に張設してあるので、前記の短い引っ張りコイルバネのバネ力で天窓が開かれる。
天窓を押し開ける押し上げアームが操作ロープから開放されて、押し上げアームが自由な場合に限る。この操作ロープを引くと、前記の引っ張りコイルバネの下端も前記の押し上げアームの下端と共に操作ロープで引き下げられるので、天窓が閉じられると共に引っ張りコイルバネは伸びた状態となる。
 Since both upper ends of the U-shaped push-up arm for pushing the skylight open are pivotally supported by the right and left frames of the skylight as in claim 1 , the skylight can be opened and closed by moving up and down both upper ends of the push-up arm. On the other hand, since an operation rope is connected to the U-shaped intermediate portion at the lower end of the push-up arm, pulling the operation rope pulls down the skylight and closes it. Moreover, since a tension coil spring S shorter than the height dimension of the push-up arm is stretched between the ceiling on the house side and the lower end or near the lower end of the push-up arm, the skylight can be opened by the spring force of the short tension coil spring. .
Only when the lifting arm that pushes the skylight open is released from the operating rope and the lifting arm is free. When the operation rope is pulled, the lower end of the tension coil spring is also pulled down together with the lower end of the push-up arm by the operation rope, so that the skylight is closed and the tension coil spring is extended.

前記の操作ロープを下方に引っ張っても、手を離すと、引っ張りコイルバネの縮もうとす
るバネ力で天窓は引き開けられ、引っ張りコイルバネも元に戻って縮む。しかし、請求項
２のように、前記の操作ロープを引き下げてハウス側に固定すると、操作ロープを下方に
引っ張った状態となり、天窓を閉じた状態となる。 Even if the operation rope is pulled downward, when the hand is released, the spring force of the tension coil spring, which tends to contract, pulls the skylight open, and the tension coil spring also returns and contracts. However, when the operation rope is pulled down and fixed to the house side as in claim 2, the operation rope is pulled downward and the skylight is closed.

請求項３のように、前記の押し上げアームの下端と前記操作ロープとの間に緩衝用の引っ
張りコイルバネを介在させたので、操作ロープを下方に引っ張って天窓を完全に閉鎖して
も、バッタンと衝撃的に閉じられることは無く、しかも緩衝用の引っ張りコイルバネの作
用で弾圧され、衝撃が緩和されると共に常時確実にバネ力で弾圧閉鎖される。 As in claim 3, since a tension coil spring for buffering is interposed between the lower end of the push-up arm and the operation rope, even if the operation rope is pulled downward to completely close the skylight, the It is not closed by impact, and is elastically pressed by the action of the tension coil spring for cushioning, and the impact is mitigated and always reliably closed by the spring force.

請求項４のように、前記の天窓の開口を閉じる防虫ネットを虫避けにしているが、天窓を
閉じる際に、前記防虫ネットをＶ字状に二つ折りにして内側に引っ込める構造にしている
が、前記Ｖ字状折り目を天窓の開閉支点側にバネで引っ張る構造としたので、天窓を閉じ
た際に前記防虫ネットが雨で濡れたり、雨水がハウス内に入るのも防止できる。 As in claim 4, the insect repellent net that closes the opening of the skylight is used as an insect repellent. Since the V-shaped crease is pulled by a spring toward the opening/closing fulcrum side of the skylight, it is possible to prevent the insect net from getting wet with rain and rainwater from entering the house when the skylight is closed.

天窓を閉じた状態の断面図である。It is sectional drawing of the state which closed the skylight. 天窓を開けた状態の断面図である。It is sectional drawing of the state which opened the skylight. 天窓を開けた状態の正面図である。It is a front view of the state which opened the skylight. 緩衝バネを押し上げアームと開閉テープとの間に介在させた断面図である。FIG. 4 is a cross-sectional view in which a buffer spring is interposed between a push-up arm and an opening/closing tape; 緩衝バネ付きの天窓が開いた状態の断面図である。FIG. 10 is a cross-sectional view of a state in which a skylight with a buffer spring is open; 天窓とアーチパイプ又は下枠との間に介在させた捩じりバネに抗して天窓を 閉じた状態の断面図である。FIG. 4 is a cross-sectional view of a state in which the skylight is closed against a torsion spring interposed between the skylight and the arch pipe or the lower frame; 天窓とアーチパイプ又は下枠との間に介在させた捩じりバネで天窓を開けた 状態の断面図である。FIG. 4 is a cross-sectional view of the skylight opened by a torsion spring interposed between the skylight and the arch pipe or the lower frame. 圧縮コイルバネに抗して天窓を閉じた状態の断面図である。It is sectional drawing of the state which resisted the compression coil spring and closed the skylight. 圧縮コイルバネで天窓を開けた状態の断面図である。It is sectional drawing of the state which opened the skylight with the compression coil spring. １本のテープで天窓を開閉状態に保持した正面図である。It is the front view which hold|maintained the skylight in the opening-and-closing state with one tape. ハウス側に固定した天窓下枠の水滴浸入防止構造を示す断面図である。It is sectional drawing which shows the waterdrop penetration|invasion prevention structure of the skylight lower frame fixed to the house side.

次に本発明による農業用ハウスの天窓開閉機構が実際上どのように具体化されるか実施
形態を説明する。図１は天窓Ｃを閉じた状態の断面図、図２は天窓Ｃを開けた状態の断面
図、図３は天窓Ｃを開けた状態の正面図である。この天窓Ｃの外周が入る下枠１をハウス
天井部のアーチパイプＰ上に古設してあり、天窓Ｃを開けた際に虫が入らないように、防
虫ネットＮで開口を閉じてある。この防虫ネットＮはＶ字状に二つ折りにすると共に折り
目２に紐３を接続し、紐３をコイルバネ４で引っ張って、二つ折りの防虫ネットＮが天窓
Ｃの下側に収納される構造になっている。 Next, an embodiment will be described as to how the skylight opening/closing mechanism for an agricultural house according to the present invention is practically embodied. 1 is a sectional view with the skylight C closed, FIG. 2 is a sectional view with the skylight C opened, and FIG. 3 is a front view with the skylight C opened. A lower frame 1 into which the outer periphery of the skylight C is inserted is installed on the arch pipe P of the ceiling of the house, and the opening is closed with an insect net N to prevent insects from entering when the skylight C is opened. This insect repellent net N is folded in two in a V shape, a string 3 is connected to the crease 2, the string 3 is pulled by a coil spring 4, and the folded insect repellent net N is stored under the skylight C. It's becoming

Ｕ字状の押し上げアーム５の両上端を、天窓Ｃの左右の枠に軸支してあり、下端に引っ張
りコイルバネＳの下端を連結してある。この引っ張りコイルバネＳの上端は、ハウスの天
井部のアーチパイプＰに直接に又はこのアーチパイプＰとクロスさせた梁材に取付けてあ
る。そして、押し上げアーム５の連結下端に閉ロープＲｃを取付けて、この閉ロープＲｃ
を下方に引くと、天窓Ｃが引き下げられて閉じると共に引っ張りコイルバネＳの下端も引
き下げられて伸びる。引っ張りコイルバネＳのハネ力で閉ロープＲｃが引き上げられない
ようにバックル式ストッパー６B で保持されている。開ロープＲｏを引いて前記閉ロープ
Ｒｃをバックル式ストッパー６B から外すと、引っ張りコイルバネＳが縮んで、天窓Ｃが
押し上げられて開く。なお、バックル式のストッパー６B は、ハウス側に取付けらている
。 Both upper ends of the U-shaped push-up arm 5 are pivotally supported by the left and right frames of the skylight C, and the lower end of the tension coil spring S is connected to the lower end. The upper end of the tension coil spring S is attached directly to the arch pipe P of the ceiling of the house or to a beam crossing the arch pipe P. Then, a closed rope Rc is attached to the connecting lower end of the push-up arm 5, and this closed rope Rc
is pulled downward, the skylight C is pulled down and closed, and the lower end of the tension coil spring S is also pulled down and extended. It is held by a buckle type stopper 6B so that the closed rope Rc is not pulled up by the spring force of the tension coil spring S. When the opening rope Ro is pulled to remove the closing rope Rc from the buckle type stopper 6B, the tension coil spring S contracts and the skylight C is pushed up and opened. The buckle type stopper 6B is attached to the housing side.

図４のように、引っ張りコイルバネから成る緩衝バネＢを前記押し上げアーム５と開閉テ
ープｔとの間に介在させてある。従って、開閉テープｔを引き下げて、天窓Ｃが下枠１に
当たるまで閉じても、緩衝バネＢのバネ力で緩衝されると共に常時確実にバネ力で弾圧閉
鎖される。なお、この緩衝バネＢのバネ力は、天窓開放コイルバネＳより強い。図５は、
天窓Ｃが開いた状態である。 As shown in FIG. 4, a buffer spring B consisting of a tension coil spring is interposed between the push-up arm 5 and the opening/closing tape t. Therefore, even if the opening/closing tape t is pulled down and the skylight C is closed until it hits the lower frame 1, it is buffered by the spring force of the buffer spring B, and is always securely closed by the spring force. In addition, the spring force of this buffer spring B is stronger than the skylight opening coil spring S. Figure 5 shows
Skylight C is open.

図６、図７は、引っ張りコイルバネＳに代えて、捩じりバネ７を天窓ＣとアーチパイプＰ
又は下枠１との間に介在させてある。すなわち、捩じりバネ７の一端７１は天窓Ｃの下面
に当接させ、他端７２はハウス天井部のアーチパイプＰ又は下枠１と連結したバネ受け11
に当接させてある。なお、上下両端の間は圧縮バネの作用をする。従って、閉ロープＲｃ
を引き下げると、捩じりバネ７の圧縮バネ圧に抗して、天窓Ｃが図６のように閉じられる
。開ロープＲｏを引き下げてバックル式ストッパー６B を解除すると、捩じりバネ７が開
いて天窓Ｃが開く。 6 and 7, instead of the tension coil spring S, the torsion spring 7 is installed in the skylight C and the arch pipe P.
Alternatively, it is interposed between the lower frame 1 and the lower frame 1. That is, one end 71 of the torsion spring 7 is brought into contact with the lower surface of the skylight C, and the other end 72 is a spring support 11 connected to the arch pipe P of the roof of the house or the lower frame 1.
is in contact with the A compression spring acts between the upper and lower ends. Therefore, the closed rope Rc
is pulled down, the skylight C is closed as shown in FIG. 6 against the compression spring pressure of the torsion spring 7 . When the opening rope Ro is pulled down to release the buckle type stopper 6B, the torsion spring 7 opens and the skylight C opens.

図８、図９は、引っ張りコイルバネＳに代えて、圧縮コイルバネ８を用いている。すなわ
ち、圧縮コイルバネ８の上端を天窓Ｃに取付け、下端を下枠１のバネ受け11又はアーチパ
イプＰ側に取付けてあり、前記捩じりバネ７と同様な作用となる。なお、圧縮力を有する
バネであれば、前記捩じりバネ７や圧縮コイルバネ８以外を用いてもよい。 8 and 9, a compression coil spring 8 is used instead of the tension coil spring S. FIG. That is, the upper end of the compression coil spring 8 is attached to the skylight C, and the lower end is attached to the spring receiver 11 of the lower frame 1 or the arch pipe P side, and has the same function as the torsion spring 7 described above. Any spring other than the torsion spring 7 and the compression coil spring 8 may be used as long as it has a compressive force.

図10は、閉ロープＲｃと開ロープＲｏを１本で兼用できる構成であり、１本の開閉テープ
ｔを用いている。すなわち、開閉テープｔには間欠的に穴ｈ…を開けてあり、この穴ｈ…
に、図４のような、ピン状又はボルト状のストッパー６I を挿入すると、所望の位置に保
持される。従って、ストッパーの入る穴ｈを選択することで、天窓Ｃを閉鎖位置に保持し
たり、開放位置に保持できる。なお、前記ストッパー６I は、ハウス側に取付けらている
。 FIG. 10 shows a configuration in which one rope can be used as both the closed rope Rc and the open rope Ro, and one open/close tape t is used. That is, the opening/closing tape t is intermittently provided with holes h.
Then, a pin-like or bolt-like stopper 6I as shown in FIG. 4 is inserted to hold the desired position. Therefore, by selecting the hole h into which the stopper is inserted, the skylight C can be held at the closed position or held at the open position. The stopper 6I is mounted on the house side.

図11の断面図は、ハウスのアーチパイプＰ上に固定された天窓下枠１の水滴浸入防止構造
を示したもので、天窓下枠１の内側の板状内縁1eを、ゴムや軟質合成樹脂などの弾性材か
ら成る水滴浸入防止材Ｇに形成した溝に嵌入固定してある。この板状内縁1eは、図のよう
に先端を折り曲げて二重にした形状も含むものとする。外周に形成した末広がりの公知の
溝1gにはビニールシートなどの被覆膜の外周縁が挿入固定される。
図10のように、天窓下枠１の左右の板状内縁１ｅ・１ｅも、ゴムや軟質合成樹脂などの
弾性材から成る水滴浸入防止材Ｇに形成した溝に嵌入固定してある。従って、図11と同じ
構造である。その結果、天窓を閉じた状態で雨滴などが浸入することは無く、ハウス内部
が濡れることも無い。また、天窓を閉じた時の金属同士の衝撃音も解消される。 The cross-sectional view of Fig. 11 shows a structure for preventing water droplets from entering the skylight lower frame 1 fixed on the arch pipe P of the house. It is fitted and fixed in a groove formed in a water droplet intrusion prevention member G made of an elastic material such as. This plate-shaped inner edge 1e includes a shape in which the tip is bent and doubled as shown in the figure. An outer peripheral edge of a coating film such as a vinyl sheet is inserted and fixed in a known groove 1g formed on the outer periphery and having a widened end.
As shown in FIG. 10, the left and right plate-like inner edges 1e, 1e of the skylight lower frame 1 are also fitted and fixed in grooves formed in a waterdrop prevention member G made of an elastic material such as rubber or soft synthetic resin. Therefore, it has the same structure as in FIG. As a result, raindrops and the like do not enter when the skylight is closed, and the inside of the house does not get wet. It also eliminates the impact noise between metals when the skylight is closed.

以上のように、操作ロープを引き下げることで、天窓を開けたり、閉鎖状態に保持でき、
また引っ張りバネや圧縮バネによって、天窓Ｃを開放状態に保持できる。さらに、天窓を
開放した際の開口を閉じる防虫ネットの二つ折りした折り目を引っ張りコイルバネで常時
引っ張ることで、防虫ネットをハウスの内側に収納できる。 As described above, the skylight can be opened or kept closed by pulling down the operation rope.
Moreover, the skylight C can be held in an open state by a tension spring or a compression spring. In addition, the insect-proof net can be stored inside the house by pulling the folded fold of the insect-proof net that closes the opening when the skylight is opened and constantly pulling it with a coil spring.

Ｃ 天窓
１ 天窓の下枠
1e 板状内縁
1g 溝
Ｎ 防虫ネット
２ 折り目
３ 紐
４ 引っ張りコイルバネ
５ 押し上げアーム
Ｓ 引っ張りコイルバネ
Ｒｃ 閉ロープ
６B バックル式ストッパー
６I ピン状又はボルト状のストッパー
Ｒｏ 開ロープ
Ｂ 緩衝バネ
７ 捩じりバネ
71 一端
72 他端
11 バネ受け
８ 圧縮コイルバネ
ｔ 開閉テープ
ｈ 穴
Ｇ 水滴浸入防止材

C Skylight 1 Lower frame of skylight
1e platy inner edge
1g Groove N Insect net 2 Fold 3 String 4 Tension coil spring 5 Push-up arm S Tension coil spring Rc Closed rope 6B Buckle type stopper 6I Pin-shaped or bolt-shaped stopper Ro Open rope B Buffer spring 7 Torsion spring
71 one end
72 other end
11 Spring receiver 8 Compression coil spring t Open/close tape h Hole G Water drop prevention material

Claims (4)

天窓を押し開けるＵ字状の押し上げアームの両上端を天窓の左右の枠に軸支してあり、一方前記押し上げアームの下端のＵ字状中間部に操作用のロープを連結してあり、しかも前記押し上げアームの高さ寸法より短い引っ張りコイルバネがハウス側の天井と前記押し上げアーム下端又は下端寄りとの間に張設してあることを特徴とする農業用ハウスの窓穴開閉機構。 Both upper ends of a U-shaped push-up arm for pushing the skylight open are pivotally supported on the left and right frames of the skylight, while a rope for operation is connected to the U-shaped intermediate portion of the lower end of the push-up arm, and moreover, A window hole opening/closing mechanism for an agricultural house, wherein a tension coil spring shorter than the height dimension of the push-up arm is stretched between the ceiling on the greenhouse side and the lower end or near the lower end of the push-up arm. 前記の操作ロープの所定の位置をハウス側に固定する構造としたことを特徴とする請求項１に記載の農業用ハウスの窓穴開閉機構。 2. A window hole opening and closing mechanism for an agricultural house according to claim 1, wherein said operating rope is fixed at a predetermined position on the house side. 前記の押し上げアームの下端と前記操作ロープとの間に緩衝用の引っ張りコイルバネを介在させたことを特徴とする請求項１又は請求項２に記載の農業用ハウスの窓穴開閉機構。 3. A window hole opening and closing mechanism for an agricultural house according to claim 1, wherein a tension coil spring for buffering is interposed between the lower end of said push-up arm and said operating rope. 前記の天窓の開口を閉じる防虫ネットをＶ字状に二つ折りにして、その折り目を天窓の開閉支点側にバネで引っ張る構造としたことを特徴とする請求項１から請求項３までのいずれかに記載の農業用ハウスの窓穴開閉機構。 4. A structure according to any one of claims 1 to 3, characterized in that the insect-proof net for closing the opening of the skylight is folded in two in a V shape and the fold is pulled toward the opening/closing fulcrum of the skylight by a spring. The window hole opening and closing mechanism of the agricultural house described in 1.
JP2017172514A 2016-09-08 2017-09-07 Window hole opening and closing mechanism for agricultural greenhouses Active JP7128458B2 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003278428A (en) 2002-03-26 2003-10-02 Hitoshi Nishitani Opening adjuster for pivoted window
JP3124050U (en) 2006-05-24 2006-08-03 東都興業株式会社 Greenhouse ventilation equipment
JP2007111041A (en) 2005-09-22 2007-05-10 Seiwa:Kk Mothproofing device for skylight

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JPS5652533U (en) * 1979-09-29 1981-05-09
JPS5677268U (en) * 1979-11-20 1981-06-23
JPS56174319U (en) * 1980-05-27 1981-12-23
JPS59167187U (en) * 1983-04-21 1984-11-09 昭和アルミニウム株式会社 Casement panel for pitched roofs
JPH0524784Y2 (en) * 1987-09-22 1993-06-23
NL8900147A (en) * 1989-01-20 1990-08-16 Bom P L J Beheer Bv Warehouse, cam profile and engagement profile therefor and method for building a warehouse.
JPH1030297A (en) * 1996-07-16 1998-02-03 Tateyama Alum Ind Co Ltd Curtain wall

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Publication number Priority date Publication date Assignee Title
JP2003278428A (en) 2002-03-26 2003-10-02 Hitoshi Nishitani Opening adjuster for pivoted window
JP2007111041A (en) 2005-09-22 2007-05-10 Seiwa:Kk Mothproofing device for skylight
JP3124050U (en) 2006-05-24 2006-08-03 東都興業株式会社 Greenhouse ventilation equipment

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