JP5534475B2 - Telescopic shaft for foldable umbrella - Google Patents

Telescopic shaft for foldable umbrella Download PDF

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JP5534475B2
JP5534475B2 JP2012085974A JP2012085974A JP5534475B2 JP 5534475 B2 JP5534475 B2 JP 5534475B2 JP 2012085974 A JP2012085974 A JP 2012085974A JP 2012085974 A JP2012085974 A JP 2012085974A JP 5534475 B2 JP5534475 B2 JP 5534475B2
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pipe
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guide member
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slit
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一雄 原澤
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一雄 原澤
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Description

本発明は、外観にスライド用ガイドが現れないようにした折り畳み式洋傘に用いられる伸縮自在な多段式のシャフトに関する。   The present invention relates to an expandable and retractable multistage shaft used for a foldable western umbrella whose outer appearance does not show a slide guide.

従来、外観にスライド用ガイドが現れないようにした折り畳み式洋傘に用いられる伸縮自在な多段式のシャフトとして、外側のパイプの各々の内径部に稜線を設け、内側のパイプの外周に周囲段差と溝を設けた構成のものが知られている(例えば特許文献1参照)。 また、複数のパイプを入れ子式にスライド自在に嵌挿し、シャフトの最も内側のパイプを除いた各パイプの内径部にその長手方向に沿ってほぼ全長にわたって凹溝を形成し、内側のパイプの後端部の外径部に凸条を設け、各パイプの凸条を外側のパイプの内径部の凹部に軸方向にスライド自在に嵌挿させ、外側と内側のパイプの相対回転を阻止するように構成したものが知られている(例えば特許文献2参照)。   Conventionally, as a retractable multi-stage shaft used in a foldable western umbrella that does not show a slide guide on the appearance, a ridge line is provided on the inner diameter part of each outer pipe, and a peripheral step is formed on the outer periphery of the inner pipe. The thing of the structure which provided the groove | channel is known (for example, refer patent document 1). In addition, a plurality of pipes are slidably inserted in a nested manner, and a concave groove is formed in the inner diameter part of each pipe excluding the innermost pipe along the longitudinal direction along the longitudinal direction. A protruding line is provided on the outer diameter part of the end, and the protruding line of each pipe is slidably inserted in the recessed part of the inner diameter part of the outer pipe in an axial direction so as to prevent relative rotation of the outer and inner pipes. What was comprised is known (for example, refer patent document 2).

特開2001−353012号公報JP 2001-353012 A 特許4516763号公報Japanese Patent No. 4516763

外側のパイプの内径部側に突起状の稜線を設け、内側のパイプの外周に周囲段差と溝を設ける構造は、製造に高精度が要求され、大量生産に適さないという問題点がある。
また、パイプの内側に凹溝を形成する構成は製造工程において高価な製造装置が必要となるため製造コストが高価になるとともに、大量生産に適さないという問題点がある。
本発明は、上記問題点を解決することを目的とする。
The structure in which the protruding ridge line is provided on the inner diameter side of the outer pipe and the peripheral step and the groove are provided on the outer periphery of the inner pipe has a problem that high accuracy is required for manufacturing and is not suitable for mass production.
In addition, the configuration in which the concave groove is formed inside the pipe has a problem that an expensive manufacturing apparatus is required in the manufacturing process, so that the manufacturing cost is high and it is not suitable for mass production.
The present invention aims to solve the above problems.

上記目的を達成するため、本発明は、外観にスライド用ガイドが現れないようにした折り畳み式洋傘に用いられる複数のパイプからなる多段式の伸縮自在なシャフトであって、複数のパイプを入れ子式にスライド自在に嵌挿し、複数のパイプの中、シャフトの最も内側のパイプを除いた各パイプの内径部に直線方向に延びるスリットを有するガイド部材を固着し、ガイド部材のスリットの互いに平行な両縁部のガイド面と該ガイド部材が固着されたパイプの内周面とで該パイプの内径部にその長手方向に沿ってほぼ全長にわたって凹溝を形成し、複数のパイプの中、シャフトの最も外側のパイプを除いた各パイプの後端部の外径部に凸条を設け、各パイプの凸条を各パイプの外側のパイプの内径部の凹溝に軸方向にスライド自在に嵌合させ、外側と内側のパイプの相対回転を阻止するようにしたことを特徴とする。
また本発明は、前記ガイド部材を筒体により構成し、筒体の管壁にその軸方向に沿って延びる細長状のスリットを形成し、該スリットの互いに平行な縁部をガイド面としたことを特徴とする。
また本発明は、前記スリットの長手方向の一方側に前記凸条を係止するためのストッパー面を形成し、他方側を開放したことを特徴とするものである。
In order to achieve the above object, the present invention is a multistage telescopic shaft composed of a plurality of pipes used in a foldable western umbrella whose appearance does not appear as a slide guide, wherein the plurality of pipes are nested. A guide member having a slit extending in a linear direction is fixed to the inner diameter portion of each of the plurality of pipes excluding the innermost pipe of the shaft, and both the slits of the guide member are parallel to each other. The guide surface of the edge and the inner peripheral surface of the pipe to which the guide member is fixed form a concave groove over the entire length along the longitudinal direction of the inner diameter portion of the pipe. A protrusion is provided on the outer diameter of the rear end of each pipe excluding the outer pipe, and the protrusion of each pipe is slidably fitted axially into the groove on the inner diameter of the outer pipe. , Characterized in that so as to prevent relative rotation of the side and an inner pipe.
Further, in the present invention, the guide member is formed of a cylindrical body, an elongated slit extending along the axial direction is formed on a tube wall of the cylindrical body, and edges parallel to each other of the slit are used as guide surfaces. It is characterized by.
Further, the present invention is characterized in that a stopper surface for locking the ridge is formed on one side in the longitudinal direction of the slit and the other side is opened.

本発明は、パイプの内側に配置したガイド部材のスリットによりパイプの内側に簡単に凹溝を形成することができるため、大量生産に適し、製造コストの低減を実現することができる。   According to the present invention, since the concave groove can be easily formed inside the pipe by the slit of the guide member disposed inside the pipe, the present invention is suitable for mass production and can realize a reduction in manufacturing cost.

本発明に使用されるガイド部材の外観図である。It is an external view of the guide member used for this invention. ガイド部材のA−A線横断面図である。It is an AA line cross-sectional view of a guide member. 本発明に係わるシャフトに使用されるパイプを示し、(A)は正面図、(B)は縦断面図、(C)はB−B線断面図である。The pipe used for the shaft concerning this invention is shown, (A) is a front view, (B) is a longitudinal cross-sectional view, (C) is a BB sectional drawing. シャフトの説明的正面図である。It is explanatory front view of a shaft. シャフトのC−C線断面である。It is a CC line cross section of a shaft.

以下に本発明の実施の形態を添付した図面を参照して詳細に説明する。
図4は折り畳み式洋傘用の伸縮自在シャフト2の正面図を示し、シャフト2は複数の互いに径が異なり且つほぼ同長のパイプを入れ子式にスライド自在に嵌合した多段式に構成されている。各パイプはステンレスにより構成され、一番太い第1パイプ4の内径部に、第2のパイプ6がスライド自在に嵌合し、この第2のパイプ6の内径部に最も細いパイプ第3のパイプ8がスライド自在に嵌合している。
Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.
FIG. 4 is a front view of a telescopic shaft 2 for a foldable umbrella, and the shaft 2 is configured in a multistage manner in which a plurality of pipes having different diameters and substantially the same length are slidably fitted in a nested manner. . Each pipe is made of stainless steel, and the second pipe 6 is slidably fitted into the inner diameter portion of the thickest first pipe 4. The thinnest pipe is connected to the inner diameter portion of the second pipe 6. 8 is slidably fitted.

シャフト2には、折り畳み式洋傘を構成するための骨格構成要素(図示省略)やその他の部品がロクロ(図示省略)を介して取り付けられる。また、第1のパイプ4の下端には、洋傘の柄(図示省略)が取り付けられている。パイプ4,6の内径部には図4に示すように、それぞれステンレス製のガイド部材10,12が密嵌配置されている。ガイド部材10の外径と対応する外側のパイプ4の内径はほぼ同一に設定され、ガイド部材12の外径と対応する外側のパイプ6の内径はほぼ同一に設定されている。 A skeletal component (not shown) and other parts for constituting a foldable western umbrella are attached to the shaft 2 via a rocker (not shown). Further, a western umbrella handle (not shown) is attached to the lower end of the first pipe 4. As shown in FIG. 4, stainless steel guide members 10 and 12 are closely fitted to the inner diameter portions of the pipes 4 and 6, respectively. The outer diameter of the outer pipe 4 corresponding to the outer diameter of the guide member 10 is set to be substantially the same, and the inner diameter of the outer pipe 6 corresponding to the outer diameter of the guide member 12 is set to be substantially the same.

ガイド部材10,12の外周面が、対応するパイプ4,6の内周面に密着した状態で、接着、ねじ止めその他適宜な固定手段により、対応するパイプ4,6に固着されている。ガイド部材10,12は、図1に示すように、筒状の本体Mにより構成され、該本体Mの管壁に軸方向に沿って1つ又は複数のスリットSが形成されている。ガイド部材10,12は、その外周面が、外側のパイプ4,6の内周面と同一の曲率に設定されている。 In a state where the outer peripheral surfaces of the guide members 10 and 12 are in close contact with the inner peripheral surfaces of the corresponding pipes 4 and 6, the guide members 10 and 12 are fixed to the corresponding pipes 4 and 6 by bonding, screwing, or other appropriate fixing means. As shown in FIG. 1, the guide members 10 and 12 are constituted by a cylindrical main body M, and one or a plurality of slits S are formed in the tube wall of the main body M along the axial direction. The outer circumferential surfaces of the guide members 10 and 12 are set to have the same curvature as the inner circumferential surfaces of the outer pipes 4 and 6.

ガイド部材10,12の本体Mの管壁の厚さとパイプ4,6の管壁の厚さはほぼ同一に設定されている。パイプ6の外径は、ガイド部材10の内径より若干小径に設定され、パイプ6がガイド部材10に沿ってスムーズにスライドできるように、パイプ6の外径と、ガイド部材10の内径との間に若干の隙間が形成されるように構成されている。パイプ8の外径は、ガイド部材12の内径より若干小径に設定され、パイプ8がガイド部材12に沿ってスムーズにスライドできるように、パイプ8の外径と、ガイド部材12の内径との間に若干の隙間が形成されるように構成されている。 The thickness of the pipe wall of the main body M of the guide members 10 and 12 and the thickness of the pipe walls of the pipes 4 and 6 are set substantially the same. The outer diameter of the pipe 6 is set to be slightly smaller than the inner diameter of the guide member 10. Between the outer diameter of the pipe 6 and the inner diameter of the guide member 10, the pipe 6 can smoothly slide along the guide member 10. In this configuration, a slight gap is formed. The outer diameter of the pipe 8 is set to be slightly smaller than the inner diameter of the guide member 12, and the distance between the outer diameter of the pipe 8 and the inner diameter of the guide member 12 is such that the pipe 8 can slide smoothly along the guide member 12. In this configuration, a slight gap is formed.

本実施形態では、スリットSは、互いに円周方向に180度の間隔を存して本体Mに2本形成されている。スリットSは、その一端が本体Mの一端との間に所定の間隔を有し、スリットSは本体Mのほぼ全長にわたって形成され、一端は閉塞端S1を形成し他端は開放されている。スリットSの形状は、全体が細長状の矩形に形成され、該スリットSの縁部は本体Mの管壁に、軸方向に沿って直線方向に延びる互いに平行なガイド面G1,G2を形成している。   In the present embodiment, two slits S are formed in the main body M with an interval of 180 degrees in the circumferential direction. One end of the slit S has a predetermined distance from one end of the main body M, the slit S is formed over almost the entire length of the main body M, one end forms a closed end S1, and the other end is open. The shape of the slit S is formed in an elongated rectangular shape as a whole, and the edge of the slit S forms guide surfaces G1 and G2 parallel to each other that extend linearly along the axial direction on the tube wall of the main body M. ing.

前記ガイド面G1,G2は、互いに本体Mの円周方向に所定の間隔を有し、且つガイド面G1,G2は径方向に所定の厚さを有している。前記ガイド面G1,G2とパイプ4,6の内周面は、パイプ4,6の内径部に、軸方向に沿って延びる互いに平行な2本の凹溝14,16を形成している。第1のパイプ4の外周面は全長に亘って丸く即ち外周の断面が円形に形成されている。第2及び第3のパイプ6,8の外周面は外側のパイプによって隠れる各後端部を除いて、外部から見える部分Kが丸く形成され、各パイプ8,6は、対応する外側のパイプ6,4にガイド部材12,10を介してスライド自在に嵌挿されている。 The guide surfaces G1 and G2 have a predetermined interval in the circumferential direction of the main body M, and the guide surfaces G1 and G2 have a predetermined thickness in the radial direction. The guide surfaces G1 and G2 and the inner peripheral surfaces of the pipes 4 and 6 form two parallel grooves 14 and 16 extending along the axial direction in the inner diameter portion of the pipes 4 and 6. The outer peripheral surface of the first pipe 4 is round over the entire length, that is, the outer cross section is formed in a circular shape. The outer peripheral surfaces of the second and third pipes 6 and 8 are formed with round portions K that are visible from the outside, except for the rear end portions hidden by the outer pipes. , 4 are slidably inserted through the guide members 12 and 10.

パイプ8,6の外周面の各後端部側即ちパイプの根本側には、各パイプ8,6の長手方向に対して平行な方向に延びる長定長さと厚みを有する周方向に互いに略180度の間隔を有して2本の凸状8,20が突設されている。
各凸条18,20の断面形状は、凹溝16,14の断面形状と略同一の矩形に構成されている。また、凹溝16,14の断面形の寸法と、対応する凸条18,20の断面形の寸法とは略同一に設定され、各凸状18,20が対応する外側の凹溝16,20にスライド自在に嵌合することができるように構成されている。
On the rear end side of the outer peripheral surfaces of the pipes 8 and 6, that is, on the base side of the pipes, the circumferential direction having a long length and a thickness extending in a direction parallel to the longitudinal direction of the pipes 8 and 6 is approximately 180 in each direction. Two convex shapes 8 and 20 are protruded with an interval of degrees.
The cross-sectional shape of each of the ridges 18 and 20 is configured to be a substantially same rectangle as the cross-sectional shape of the concave grooves 16 and 14. Moreover, the dimension of the cross-sectional shape of the concave grooves 16 and 14 and the dimension of the cross-sectional shape of the corresponding ridges 18 and 20 are set to be substantially the same, and the outer concave grooves 16 and 20 corresponding to the respective convex shapes 18 and 20 are set. It is configured so that it can be slidably fitted.

ガイド部材10,12のスリットSの閉塞端S1は、係止部を構成し、シャフト2を伸張した際、外側のパイプ4,6のスリットSの係止部に内側のパイプ6,8の凸条20,18が衝突し、内側のパイプ6,8が外側のパイプから外れないように構成されている。 The closed end S1 of the slit S of the guide members 10 and 12 constitutes a locking portion, and when the shaft 2 is extended, the protruding portions of the inner pipes 6 and 8 protrude from the locking portion of the slit S of the outer pipes 4 and 6. The strips 20 and 18 collide so that the inner pipes 6 and 8 do not come off the outer pipes.

上記した構成において、第1のパイプ4と第2のパイプ6は、第2のパイプ6の凸条20が第1のパイプ4の内径部の凹溝14にスライド自在に嵌合しているため、互いに長手方向のみスライドが可能であり、第1のパイプ4に対して第2のパイプ6が相対回転する方向の移動が凸条20と凹溝14の嵌合構造によって阻止される。第2のパイプ6と第3のパイプ8間の関係も上記第1のパイプ4と第2のパイプ6との関係と同様であり、互いの長手方向のスライド移動が可能であり、相対回転方向の移動が外側のパイプの凹溝16とこれに嵌合する内側のパイプ8の凸条18によって阻止される。   In the above-described configuration, the first pipe 4 and the second pipe 6 are slidably fitted into the concave grooves 14 in the inner diameter portion of the first pipe 4 so that the ridges 20 of the second pipe 6 are slidable. The first pipe 4 can be slid only in the longitudinal direction, and the movement of the second pipe 6 relative to the first pipe 4 is prevented by the fitting structure of the ridges 20 and the grooves 14. The relationship between the second pipe 6 and the third pipe 8 is the same as the relationship between the first pipe 4 and the second pipe 6, and the sliding movement in the longitudinal direction of each other is possible. Is prevented by the groove 16 of the outer pipe and the ridge 18 of the inner pipe 8 fitted therein.

シャフト2を伸張し、外側のパイプ4,6のガイド部材10,12のスリットSの係止部に内側のパイプ6,8の凸条20,18が係止されたとき、丁度、内側のパイプ6,8のばねにより付勢された突起体(図示省略)が、外側のパイプ4,6のインデックス孔(図示省略)に嵌合し、内側と外側のパイプの相対的な長手方向の移動と周回転とが突起体により解除可能にロックされ、内側のパイプ6,8か対応する外側のパイプ4,6から簡単に外れたり、回転することがない。   When the shaft 2 is extended and the protruding strips 20 and 18 of the inner pipes 6 and 8 are locked to the locking portions of the slits S of the guide members 10 and 12 of the outer pipes 4 and 6, the inner pipe is exactly the same. Protrusions (not shown) urged by springs 6 and 8 fit into index holes (not shown) of the outer pipes 4 and 6, and the relative longitudinal movement of the inner and outer pipes The circumferential rotation is releasably locked by the protrusions, and does not easily come off or rotate from the inner pipes 6, 8 or the corresponding outer pipes 4, 6.

尚、本実施形態では、ガイド部材として筒体を用いたが、凸条18,20を案内するガイド面G1,G2を形成する部材は、筒体に特に限定されるものではなく、外側のパイプの内周面と同一の曲率の外周面を有する断面孤状の板材その他を用いることができる。   In this embodiment, the cylindrical body is used as the guide member. However, the members that form the guide surfaces G1 and G2 for guiding the ridges 18 and 20 are not particularly limited to the cylindrical body. It is possible to use a plate material having an outer peripheral surface having the same curvature as that of the inner peripheral surface, or the like having a cross section of an arc.

2 シャフト
4 パイプ
6 パイプ
8 パイプ
10 ガイド部材
12 ガイド部材
14 凹溝
16 凹溝
18 凸条
20 凸条
G1 ガイド面
G2 ガイド面
2 Shaft 4 Pipe 6 Pipe 8 Pipe 10 Guide member 12 Guide member 14 Concave groove 16 Concave groove 18 Convex strip 20 Convex strip G1 Guide surface G2 Guide surface

Claims (3)

外観にスライド用ガイドが現れないようにした折り畳み式洋傘に用いられる複数のパイプからなる多段式の伸縮自在なシャフトであって、複数のパイプを入れ子式にスライド自在に嵌挿し、複数のパイプの中、シャフトの最も内側のパイプを除いた各パイプの内径部に直線方向に延びるスリットを有するガイド部材を固着し、ガイド部材のスリットの互いに平行な両縁部のガイド面と該ガイド部材が固着されたパイプの内周面とで該パイプの内径部にその長手方向に沿ってほぼ全長にわたって凹溝を形成し、複数のパイプの中、シャフトの最も外側のパイプを除いた各パイプの後端部の外径部に凸条を設け、各パイプの凸条を各パイプの外側のパイプの内径部の凹溝に軸方向にスライド自在に嵌合させ、外側と内側のパイプの相対回転を阻止するようにしたことを特徴とする折り畳み式洋傘用伸縮シャフト。   A multi-stage telescopic shaft composed of a plurality of pipes used in a foldable western umbrella so that the slide guide does not appear on the external appearance. Inside, the guide member having a slit extending in the linear direction is fixed to the inner diameter portion of each pipe except the innermost pipe of the shaft, and the guide member is fixed to the guide surfaces of both edges of the guide member slit parallel to each other. The inner peripheral surface of the pipe is formed with a groove over the entire length along the longitudinal direction in the inner diameter portion of the pipe, and the rear end of each pipe excluding the outermost pipe of the shaft among the plurality of pipes Convex ridges are provided on the outer diameter part of each part, and the ridges of each pipe are slidably fitted axially into the concave grooves on the inner diameter part of the outer pipe of each pipe to prevent relative rotation of the outer and inner pipes. Telescopic shaft for folding umbrella, characterized in that the so that. 前記ガイド部材を筒体により構成し、筒体の管壁にその軸方向に沿って延びる細長状のスリットを形成し、該スリットの互いに平行な縁部をガイド面としたことを特徴とする請求項1に記載の折り畳み式洋傘用伸縮シャフト。   The guide member is formed of a cylindrical body, an elongated slit extending along the axial direction is formed in a tube wall of the cylindrical body, and mutually parallel edges of the slit serve as a guide surface. Item 2. The folding shaft for a foldable western umbrella according to Item 1. 前記スリットの長手方向の一方側に前記凸条を係止するためのストッパー面を形成し、他方側を開放したことを特徴とする請求項2に記載の折り畳み式洋傘用伸縮シャフト。   The foldable umbrella umbrella telescopic shaft according to claim 2, wherein a stopper surface for locking the ridge is formed on one side in the longitudinal direction of the slit and the other side is opened.
JP2012085974A 2012-04-05 2012-04-05 Telescopic shaft for foldable umbrella Expired - Fee Related JP5534475B2 (en)

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JP5534475B2 true JP5534475B2 (en) 2014-07-02

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JP5575296B1 (en) * 2013-04-01 2014-08-20 一雄 原澤 Telescopic shaft for foldable umbrella
CN104106891B (en) * 2014-06-30 2015-12-30 苏州鸿大金属制品有限公司 Distortion guidance type structure umbrella handle liner copper pipe
CN104106892B (en) * 2014-07-10 2015-12-30 苏州鸿大金属制品有限公司 Gradual drawing-die umbrella handle copper tube sheets group
JP2020075072A (en) * 2018-11-08 2020-05-21 俊久 浦野 Umbrella having shortenable handle

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