JP4398572B2 - Bone of mosquito net etc. - Google Patents

Bone of mosquito net etc. Download PDF

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Publication number
JP4398572B2
JP4398572B2 JP2000194099A JP2000194099A JP4398572B2 JP 4398572 B2 JP4398572 B2 JP 4398572B2 JP 2000194099 A JP2000194099 A JP 2000194099A JP 2000194099 A JP2000194099 A JP 2000194099A JP 4398572 B2 JP4398572 B2 JP 4398572B2
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Japan
Prior art keywords
main bone
bone
moving cylinder
connecting portion
mosquito net
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JP2000194099A
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Japanese (ja)
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JP2002010898A (en
Inventor
源美 田中
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源美 田中
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Priority to JP2000194099A priority Critical patent/JP4398572B2/en
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Description

【0001】
【発明の属する技術分野】
本発明はほろ蚊帳、食卓覆い等に使用される張骨の改良に関するものである。
【0002】
【従来の技術】
従来のほろ蚊帳等の張骨で、主骨が上部と下部に折り畳み可能に連結されているものは、図5に示すように連結具20’により連結されている。
この連結具20’は上部の主骨2A’が嵌着される固定管部20A’を一方の側に有し、中央部に下部の主骨2B’が嵌着される回動管20B’の一端が枢着21’され、他方の側に回動管20B’が一方向に回動するように規制したストッパー部20C’が形成されている。そして、図示のように張骨1’を逆さにして折り畳むと、ストッパー部20C’が枢着21’部より長く突出している。
【0003】
【発明が解決しようとする課題】
上記従来の連結具は、主骨2’の折り畳み時ストッパー部20C’が枢着21’部より長く突出しているので、この突出端に主骨2’に張設された網布が引っ掛かり、網布が損傷することが度々発生している。
特に、ほろ蚊帳や食卓覆いの張骨は主骨が4本で形成されるものが殆どで、洋傘等に比べて主骨の数が少ないので、折り畳み時網布のたるみも大きくなり、そのたるんだ箇所が前記ストッパー部の突出端に引っ掛かるのである。
【0004】
上記点より本発明は、網布が主骨に引っ掛かり損傷を受けることのない、ほろ蚊帳等の張骨を提供しようとするものである。
【0005】
【課題を解決するための手段】
上記課題を解決するため本発明ほろ蚊帳等の張骨は、主骨が上部と下部に折り畳み可能に連結され、上部の主骨に受骨の一端部が回動可能に取り付けられる張骨の上部の主骨と下部の主骨の連結部に於いて、上部の主骨と下部の主骨が夫々の端部で内外方向に回動可能に連結され、この連結部に移動筒が主骨の上下方向に摺動自在に挿通され、主骨の伸長時に移動筒が自重で降下し、連結部が移動筒に被覆される位置に移動筒が停止するよう移動筒の一端が係合するストッパー部が下部の主骨に設けられ、主骨を逆さにして折り畳み時に移動筒が自重で降下し、連結部が移動筒から露出する位置に移動筒が停止するよう移動筒の他端が係合するストッパー部が上部の主骨に設けられていることを特徴とするものである。
【0006】
又、移動筒の内側に、上部側が下部側より小径に形成された段部を設けて、主骨の伸長時に降下した移動筒の段部が前記連結部に係合させることもできる。
【0007】
又、連結部に上部の主骨の連結端及び下部の主骨の連結端より外周が突出する曲面を有する保護板を設けることもできる。
【0008】
上記構成を有する本発明は、主骨が伸長する時は上部の主骨と下部の主骨の連結部に摺動自在に挿通された移動筒が自重で降下し、下部の主骨に設けたストッパー部に移動筒の一端が係合し、移動筒で連結部は被覆される。
そして、伸長された主骨はほろ蚊帳等の網布の張力を受けた場合、ほろ蚊帳等の内側へ湾曲するため連結部は回動し、移動筒の内側をほろ蚊帳等の外側方向へ圧接すると共に、上部の主骨の連結部付近及び下部の主骨の連結部付近は、夫々移動筒の端部内側をほろ蚊帳等の内側方向へ圧接した状態で連結部は固定され、移動筒内で保持される。
【0009】
次に、張骨を折り畳む時は、張骨を逆さにすれば移動筒が自重で降下し、上部の主骨に設けたストッパー部に移動筒の他端が係合し、連結部は移動筒から露出するから下部の主骨は回動し、折り畳まれる。
【0010】
そして、上部の主骨と下部の主骨は夫々の端部で内外方向へ回動可能に連結されているため、従来のように連結部で回動し、主骨を折り畳んだ時に連結部から突出する鋭利なストッパー部が存在しないため、ほろ蚊帳等の網布を損傷することがない。
【0011】
又、移動筒の内側に段部が形成され、主骨の伸長時に降下した移動筒の段部が連結部に係合すれば、伸長時に連結部の納まりがよいと共に、下部の主骨のストッパー部がなくても移動筒は停止する。
【0012】
又、連結部に上部の主骨の連結端及び下部の主骨の連結端より外周が突出する曲面を有する保護板が設けられているため、主骨を折り畳んだ場合、例え保護板の曲面が網布に触れても引っ掛かることがない。
【0013】
【発明の実施の形態】
以下、本発明の一実施の形態を図面に基づき説明する。
図1は本発明張骨の伸長した時の部分断面図、図2は同上の張骨を逆さにして折り畳み時の部分断面図である。
而して、図中1は本発明張骨であり、張骨1は主骨2及び受骨3より構成されている。
主骨2は上部の主骨2Aと下部の主骨2Bに分離され、下部の主骨2Bの上端は上部の主骨2Aの下端に支軸4で内外方向へ回動可能に連結されている。
【0014】
主骨2は可撓性を有する金属又は合成樹脂で細い棒状に作成され、上部の主骨2A及び下部の主骨2Bの連結端部は偏平に形成されている。
又、上部の主骨2Aと下部の主骨2Bの支軸4での連結部5には、上部の主骨2Aと下部の主骨2Bとの間に上部の主骨2Aの連結端及び下部の主骨2Bの連結端より外周が突出する曲面を有する保護板6が介在され、支軸4に挿着されている。保護板6は図面では円形の板体となっている。
【0015】
7は連結部5に主骨2の上下方向に摺動自在に挿通された合成樹脂製の移動筒であり、この移動筒7は主骨2の伸長時、及び主骨2を逆さにして折り畳み時に自重で降下する。
【0016】
8は下部の主骨2Bの上方部に屈曲形成したストッパー部であり、該ストッパー部8に主骨2の伸長時に移動筒7が自重で降下し、移動筒7の一端が係合して停止する(図1)。
このストッパー部8の位置は、移動筒7が自重で降下し停止した時に、連結部5が移動筒7で被覆される位置に形成される。
【0017】
9は上部の主骨2Aの下方部に屈曲形成したストッパー部であり、該ストッパー部9に主骨2を逆さにして折り畳み時に移動筒7が自重で降下し、移動筒7の一端が係合して停止する(図2)。
このストッパー部9の位置は、移動筒7が自重で降下し停止した時、連結部5が移動筒7から露出する位置に形成される。
ストッパー部8及びストッパー部9の形状は図面のように主骨2が直線上よりズレているが、主骨2を直線とし突状部を形成してもよい。
【0018】
又、前記移動筒7は内側が変化のない通常の中空の孔となっているものでもよいが、図面のように移動筒7の内側に上部側が下部側より小径に形成され、境界に段部10を形成することにより、主骨2の伸長時に移動筒7が自重で降下すると段部10が連結部5に係合し移動筒7は停止するから、下部の主骨2Bのストッパー部8は必ずしも必要としなくなると共に、主骨2の湾曲時に連結部5の納まりもよくなる。
【0019】
又、前記受骨3は一端部が上部の主骨2Aに回動可能に取り付けられている。その取り付けは、上部の主骨2Aに一枚の金属板を折り曲げ加工することにより形成した継手11により取り付けられている。
継手11は上部の主骨2Aにかしめられて固定された上下の固定管11Aと、この固定管11Aの中央部に設けた固定管11Aと直交する保持管11Bから成り、この保持管11Bに受骨3の端部に形成された多角形の環状部3Aの一辺が回動可能に挿通されている。
【0020】
図3は、前記張骨1を使用したほろ蚊帳の一部切り欠いた部分正面図であり、12は複数本の張骨1の主骨2の一端を放射状かつ揺動自在に枢支する上ろくろ、13は複数本の張骨1の受骨3の一端を放射状かつ揺動自在に枢支する下ろくろ、14は下ろくろ13を引き上げる引き紐、15は主骨2に張設された網布、16は下部の主骨2Bの下端部に嵌着されて網布15を掛止する掛止体である。
【0021】
図4は、前記張骨1を使用したほろ蚊帳の網布15を除いた状態で折り畳んだ正面図である。
尚、実施の形態では張骨1をほろ蚊帳に使用したが、これを食卓覆いに当然使用することができるものである。
又、図5は連結部5の拡大した側面図を示したものである。
【0022】
【発明の効果】
本発明によれば、張骨の上部の主骨と下部の主骨は夫々の端部で内外方向へ回動可能に連結されているため、従来のように連結部で回動し、主骨を折り畳んだ時に連結部から突出する鋭利なストッパー部が存在しないため、ほろ蚊帳等の網布を損傷することがないと共に、ストッパー部による手等への怪我の恐れもなく安全性が高い。
又、連結部に上部の主骨の連結端及び下部の主骨の連結端より外周が突出する曲面を有する保護板が設けられているため、主骨を折り畳んだ場合、例え保護板の曲面が網布に触れても引っ掛かって損傷を受けることがない等の効果を有する有用な発明である。
【図面の簡単な説明】
【図1】本発明張骨の伸長した時の一実施の形態を示す部分断面図である。
【図2】本発明張骨を逆さにして折り畳み時の一実施の形態を示す部分断面図である。
【図3】本発明張骨を使用したほろ蚊帳の拡張時の一部切り欠き部分正面図である。
【図4】本発明張骨を使用したほろ蚊帳の逆さにして折り畳み時の正面図である。
【図5】本発明張骨を使用したほろ蚊帳の部分拡大側面図である。
【図6】従来の張骨の逆さにして折り畳み時の部分正面図である。
【符号の説明】
1 張骨
2 主骨
2A 上部の主骨
2B 下部の主骨
3 受骨
4 支軸
5 連結部
6 保護板
7 移動筒
8 下部の主骨のストッパー部
9 上部の主骨のストッパー部
10 段部
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an improvement in a tension bone used for a mosquito net, a table cover, and the like.
[0002]
[Prior art]
A conventional tension bone such as a mosquito net, in which the main bone is foldably connected to the upper part and the lower part, is connected by a connector 20 'as shown in FIG.
This connector 20 ′ has a fixed tube portion 20A ′ on one side to which the upper main bone 2A ′ is fitted, and a rotating tube 20B ′ on which the lower main bone 2B ′ is fitted in the center portion. One end is pivotally attached 21 ′, and the other side is formed with a stopper portion 20C ′ that is restricted so that the rotating tube 20B ′ rotates in one direction. When the tension bone 1 'is inverted and folded as shown in the drawing, the stopper portion 20C' protrudes longer than the pivot 21 'portion.
[0003]
[Problems to be solved by the invention]
In the above conventional connector, since the stopper portion 20C ′ protrudes longer than the pivot 21 ′ when the main bone 2 ′ is folded, the net cloth stretched on the main bone 2 ′ is caught by this protruding end, and the net Often the fabric is damaged.
In particular, the tension bone of the mosquito net and the table cover are mostly composed of four main bones, and the number of main bones is smaller than that of western umbrellas, etc., so the sagging of the net cloth becomes large when folded. This is because the protruding portion is caught on the protruding end of the stopper portion.
[0004]
In view of the above, the present invention intends to provide a tension bone such as a mosquito net, in which the net cloth is not caught and damaged by the main bone.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the osseous bone of the mosquito net of the present invention is such that the main bone is foldably connected to the upper part and the lower part, and one end of the receiving bone is rotatably attached to the upper main bone. In the connecting portion between the main bone and the lower main bone, the upper main bone and the lower main bone are connected to each other so as to be pivotable inward and outward, and a movable cylinder is connected to the connecting portion of the main bone. A stopper part that is inserted slidably in the vertical direction and engages with one end of the moving cylinder so that the moving cylinder descends by its own weight when the main bone extends, and the moving cylinder stops at a position where the connecting part is covered by the moving cylinder. Is provided on the lower main bone, and when the main bone is inverted and folded, the moving cylinder descends by its own weight, and the other end of the moving cylinder engages so that the moving cylinder stops at a position where the connecting portion is exposed from the moving cylinder. The stopper portion is provided on the upper main bone.
[0006]
In addition, a step portion whose upper side is smaller in diameter than the lower side may be provided inside the moving cylinder, and the step portion of the moving cylinder lowered when the main bone extends can be engaged with the connecting portion.
[0007]
In addition, a protective plate having a curved surface whose outer periphery protrudes from the connecting end of the upper main bone and the connecting end of the lower main bone can be provided in the connecting portion.
[0008]
In the present invention having the above configuration, when the main bone extends, the moving cylinder slidably inserted into the connecting portion of the upper main bone and the lower main bone descends by its own weight, and is provided on the lower main bone. One end of the moving cylinder is engaged with the stopper portion, and the connecting portion is covered with the moving cylinder.
When the stretched main bone is subjected to the tension of the net cloth such as the mosquito net, the connecting part rotates to bend inward of the mosquito net etc., and the inside of the movable cylinder is pressed to the outside direction of the mosquito net etc. In addition, the connection portion is fixed in the state where the upper main bone connection portion and the lower main bone connection portion are in close contact with the inner side of the end portion of the moving tube in the inner direction of the mosquito net, etc. Held in.
[0009]
Next, when folding the tension bone, if the tension bone is inverted, the moving cylinder descends by its own weight, the other end of the moving cylinder engages with the stopper provided on the upper main bone, and the connecting portion is the moving cylinder. Since it is exposed from the lower main bone, it is rotated and folded.
[0010]
Since the upper main bone and the lower main bone are connected to each other so as to be able to rotate inward and outward, the main bone is rotated by the connecting portion as in the prior art, and the main bone is folded from the connecting portion when folded. Since there is no sharp stopper that protrudes, the net cloth such as a mosquito net is not damaged.
[0011]
In addition, if a step is formed inside the moving cylinder and the step of the moving cylinder lowered when the main bone is extended engages with the connecting portion, the connecting portion can be accommodated during extension and the stopper of the lower main bone Even if there is no part, the moving cylinder stops.
[0012]
In addition, since the connecting portion is provided with a protective plate having a curved surface protruding from the connecting end of the upper main bone and the connecting end of the lower main bone, when the main bone is folded, the curved surface of the protective plate is Even if you touch the net cloth, it will not get caught.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a partial cross-sectional view when the tension bone of the present invention is extended, and FIG.
Thus, reference numeral 1 in the figure denotes the present invention bone, and the bone 1 is composed of a main bone 2 and a receiving bone 3.
The main bone 2 is separated into an upper main bone 2A and a lower main bone 2B, and the upper end of the lower main bone 2B is connected to the lower end of the upper main bone 2A so as to be pivotable inward and outward with a support shaft 4. .
[0014]
The main bone 2 is made of a flexible metal or synthetic resin into a thin rod shape, and the connecting ends of the upper main bone 2A and the lower main bone 2B are formed flat.
Further, the connecting portion 5 of the upper main bone 2A and the lower main bone 2B at the support shaft 4 includes a connecting end and a lower portion of the upper main bone 2A between the upper main bone 2A and the lower main bone 2B. A protective plate 6 having a curved surface whose outer periphery protrudes from the connecting end of the main bone 2B is interposed and attached to the support shaft 4. The protection plate 6 is a circular plate in the drawing.
[0015]
Reference numeral 7 denotes a synthetic resin moving cylinder inserted into the connecting portion 5 so as to be slidable in the vertical direction of the main bone 2. The moving cylinder 7 is folded when the main bone 2 is extended and the main bone 2 is inverted. Sometimes descend with its own weight.
[0016]
Reference numeral 8 denotes a stopper portion bent at the upper portion of the lower main bone 2B. When the main bone 2 extends, the moving cylinder 7 descends by its own weight, and one end of the moving cylinder 7 engages and stops. (FIG. 1).
The position of the stopper portion 8 is formed at a position where the connecting portion 5 is covered with the moving cylinder 7 when the moving cylinder 7 descends due to its own weight and stops.
[0017]
Reference numeral 9 denotes a stopper formed by bending the lower part of the upper main bone 2A. When the main bone 2 is inverted and folded to the stopper part 9, the moving cylinder 7 is lowered by its own weight, and one end of the moving cylinder 7 is engaged. And stop (FIG. 2).
The position of the stopper portion 9 is formed at a position where the connecting portion 5 is exposed from the movable barrel 7 when the movable barrel 7 is lowered by its own weight and stopped.
The shapes of the stopper portion 8 and the stopper portion 9 are such that the main bone 2 is displaced from the straight line as shown in the drawing, but the main bone 2 may be a straight line to form a protruding portion.
[0018]
The movable cylinder 7 may be a normal hollow hole with no change on the inside, but the upper side is formed on the inner side of the movable cylinder 7 with a smaller diameter than the lower side as shown in the figure, and a step portion is formed at the boundary. 10, when the moving cylinder 7 is lowered by its own weight when the main bone 2 is extended, the stepped portion 10 is engaged with the connecting portion 5 and the moving cylinder 7 is stopped. Therefore, the stopper portion 8 of the lower main bone 2B is It is not always necessary, and the fitting of the connecting portion 5 is improved when the main bone 2 is bent.
[0019]
The receiving bone 3 has one end rotatably attached to the upper main bone 2A. The attachment is made by a joint 11 formed by bending a single metal plate on the upper main bone 2A.
The joint 11 includes upper and lower fixed pipes 11A fixed by caulking to the upper main bone 2A, and a holding pipe 11B orthogonal to the fixed pipe 11A provided at the center of the fixed pipe 11A. One side of the polygonal annular portion 3A formed at the end of the bone 3 is rotatably inserted.
[0020]
FIG. 3 is a partially cutaway front view of a mosquito net using the tension bone 1, and 12 is a top view for pivotally supporting one end of the main bone 2 of the plurality of tension bones 1 in a radially and freely swingable manner. Reference numeral 13 is a lower crosspiece which pivotally supports one end of the receiving bone 3 of the plurality of tension bones 1 in a radial and swingable manner, 14 is a drawstring for pulling up the lower crosspiece 13, and 15 is a net stretched on the main bone 2. A cloth 16 is a hook that is fitted to the lower end of the lower main bone 2B and hooks the net cloth 15.
[0021]
FIG. 4 is a front view of the folded mosquito net using the tension bone 1 with the net cloth 15 removed.
In the embodiment, the tension bone 1 is used for a mosquito net, but this can naturally be used for a table cover.
FIG. 5 is an enlarged side view of the connecting portion 5.
[0022]
【The invention's effect】
According to the present invention, since the upper main bone and the lower main bone of the tension bone are connected to each other so as to be able to rotate inward and outward, the main bone is rotated at the connecting portion as in the prior art. Since there is no sharp stopper part that protrudes from the connecting part when folded, the net cloth such as the mosquito net is not damaged, and there is no risk of injury to the hand or the like by the stopper part, and the safety is high.
In addition, since the connecting portion is provided with a protective plate having a curved surface protruding from the connecting end of the upper main bone and the connecting end of the lower main bone, when the main bone is folded, the curved surface of the protective plate is It is a useful invention having an effect that even if it touches the net cloth, it is not caught and damaged.
[Brief description of the drawings]
FIG. 1 is a partial cross-sectional view showing an embodiment of a stretched bone according to the present invention.
FIG. 2 is a partial cross-sectional view showing an embodiment of the present invention when the tension bone is inverted and folded.
FIG. 3 is a partially cut-away front view of a mosquito net using the inventive bone according to the present invention when it is expanded.
FIG. 4 is a front view of the mosquito net using the inventive bone according to the present invention when folded upside down.
FIG. 5 is a partially enlarged side view of a mole mosquito net using the present inventive bone.
FIG. 6 is a partial front view when folded as an inverted version of a conventional tension bone.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Tension bone 2 Main bone 2A Upper main bone 2B Lower main bone 3 Lower bone 4 Support shaft 5 Connecting part 6 Protection plate 7 Moving cylinder 8 Lower main bone stopper part 9 Upper main bone stopper part 10 Step part

Claims (3)

主骨が上部と下部に折り畳み可能に連結され、上部の主骨に受骨の一端部が回動可能に取り付けられる張骨の上部の主骨と下部の主骨の連結部に於いて、上部の主骨と下部の主骨が夫々の端部で内外方向に回動可能に連結され、この連結部に移動筒が主骨の上下方向に摺動自在に挿通され、主骨の伸長時に移動筒が自重で降下し、連結部が移動筒に被覆される位置に移動筒が停止するよう移動筒の一端が係合するストッパー部が下部の主骨に設けられ、主骨を逆さにして折り畳み時に移動筒が自重で降下し、連結部が移動筒から露出する位置に移動筒が停止するよう移動筒の他端が係合するストッパー部が上部の主骨に設けられていることを特徴とするほろ蚊帳等の張骨。The main bone is foldably connected to the upper and lower parts, and one end of the receiving bone is rotatably attached to the upper main bone. The main bone and the lower main bone are connected to each other so as to be pivotable inward and outward, and a movable cylinder is slidably inserted in the vertical direction of the main bone through this connecting portion and moves when the main bone extends. A stopper part that engages one end of the moving cylinder is provided in the lower main bone so that the moving cylinder stops at a position where the cylinder descends by its own weight and the connecting part is covered by the moving cylinder, and the main bone is inverted and folded. The upper main bone is provided with a stopper portion that engages with the other end of the moving cylinder so that the moving cylinder stops at a position where the moving cylinder sometimes falls by its own weight and the connecting portion is exposed from the moving cylinder. Thorn bones such as mosquito nets. 移動筒の内側に、上部側が下部側より小径に形成された段部が設けられ、主骨の伸長時に降下した移動筒の段部が前記連結部に係合することを特徴とする請求項1記載のほろ蚊帳等の張骨。2. A step portion having an upper side formed smaller in diameter than the lower side is provided inside the moving tube, and the step portion of the moving tube lowered when the main bone extends is engaged with the connecting portion. Thorns such as the described mosquito net. 連結部に上部の主骨の連結端及び下部の主骨の連結端より外周が突出する曲面を有する保護板が設けられていることを特徴とする請求項1又は2記載のほろ蚊帳等の張骨。3. A stretcher for a mosquito net or the like according to claim 1 or 2, wherein the connecting portion is provided with a protective plate having a curved surface projecting from the connecting end of the upper main bone and the connecting end of the lower main bone. Bone.
JP2000194099A 2000-06-28 2000-06-28 Bone of mosquito net etc. Expired - Lifetime JP4398572B2 (en)

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Publication number Priority date Publication date Assignee Title
JP4651296B2 (en) * 2004-03-29 2011-03-16 源美 田中 Spider mosquito net

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