JP5976907B1 - Badminton shuttle - Google Patents

Badminton shuttle Download PDF

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JP5976907B1
JP5976907B1 JP2015160419A JP2015160419A JP5976907B1 JP 5976907 B1 JP5976907 B1 JP 5976907B1 JP 2015160419 A JP2015160419 A JP 2015160419A JP 2015160419 A JP2015160419 A JP 2015160419A JP 5976907 B1 JP5976907 B1 JP 5976907B1
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blade
shaft
wing
shuttle
insertion hole
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JP2017038634A (en
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正幸 松原
正幸 松原
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COSMO SEIKI CO., LTD.
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COSMO SEIKI CO., LTD.
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Priority to PCT/JP2016/073252 priority patent/WO2017030032A1/en
Priority to TW105125555A priority patent/TW201718059A/en
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B67/00—Sporting games or accessories therefor, not provided for in groups A63B1/00 - A63B65/00
    • A63B67/18—Badminton or similar games with feathered missiles
    • A63B67/183—Feathered missiles
    • A63B67/187—Shuttlecocks
    • A63B67/19—Shuttlecocks with several feathers connected to each other

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  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Toys (AREA)
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Abstract

【課題】個体差がなく低コストで製造可能なバドミントン用シャトルを提供する。【解決手段】バドミントン用シャトル１は、先端側から順に連結された、台１０と、羽軸部２０と、羽根部３０と、を備え、羽軸部２０は、先端側が台１０に連結された複数の羽軸２１と、羽軸２１に直交する方向に延在して複数の羽軸２１を連結する羽軸連結リング２４と、を備え、全体として後端側に向けて広がる円錐台形状をしており、羽根部３０は、羽軸２１の後端部分が挿入される挿入穴３３が形成された羽根芯３２と、羽弁３５と、を備える羽根３１を複数備える。【選択図】図１A shuttle for badminton that can be manufactured at low cost without individual differences is provided. A shuttle for badminton (1) includes a base (10), a wing shaft part (20), and a wing part (30) connected in order from the front end side. A plurality of wing shafts 21 and a wing shaft connection ring 24 extending in a direction orthogonal to the wing shaft 21 to connect the plurality of wing shafts 21, and having a truncated cone shape that extends toward the rear end as a whole. The blade portion 30 includes a plurality of blades 31 each including a blade core 32 having an insertion hole 33 into which the rear end portion of the blade shaft 21 is inserted and a blade valve 35. [Selection] Figure 1

Description

本発明は、バドミントン用のシャトルに関する。   The present invention relates to a shuttle for badminton.

バドミントンに使用されるシャトル（シャトルコック）は、一般に水鳥等から採った天然の羽根16枚を、表面にゴム製のカバーが貼られたコルクやウレタン製の台に挿し込んで接着剤で固定し、羽根同士を糸で連結したものが主流となっている。   The shuttle (shuttlecock) used for badminton is generally fixed with adhesive by inserting 16 natural feathers taken from waterfowl etc. into a cork or urethane base with a rubber cover on the surface. The mainstream is one in which the blades are connected by a thread.

しかし、天然の羽根は、高価であり、一本ずつ接着剤で固定したり、糸で結び付けたりしなければならず、製造工程も複雑になるためコストがかかる。また、天然の羽根は天然であるために品質にバラつきがあり、完成品であるシャトルにも個体差が出てしまう。   However, natural blades are expensive, and must be fixed one by one with an adhesive or tied together with a thread, and the manufacturing process becomes complicated, which is expensive. In addition, since natural feathers are natural, there is a variation in quality, and there are individual differences in the finished shuttle.

これに対して、特許文献１には、ナイロン樹脂から射出成形された人工羽根であって、内部に発泡構造を有することによって、天然の羽根に近い特性を持たせた人工羽根が開示されている。   On the other hand, Patent Document 1 discloses an artificial feather that is injection-molded from a nylon resin and has a foamed structure inside, so that the artificial feather has characteristics close to those of a natural feather. .

また、特許文献２には、天然の羽根の羽軸を切り落として長さを揃えた羽根ユニットの組を、樹脂製の羽根植付部材の組に挿し込んで連結させたシャトルコックが開示されている。   Patent Document 2 discloses a shuttlecock in which a blade unit set of natural blades cut off and aligned in length is inserted into a set of resin blade planting members and connected. Yes.

特開２０１５−０７３７８２号公報Japanese Patent Laying-Open No. 2015-073782 特表２０１５−５０１６８７号公報JP-T-2015-501687

しかし、特許文献１においては、従来のシャトルと同様に、人工羽根をコルク台に挿し込んで接着剤で固定する必要があり、製造に手間がかかると共に、接着による品質のばらつきが生じてしまう。また、特許文献２においても天然羽根を用いるため、個体差が出てしまう。   However, in Patent Document 1, as with a conventional shuttle, it is necessary to insert an artificial feather into a cork base and fix it with an adhesive, which takes time for manufacturing and causes variations in quality due to adhesion. Moreover, since the natural feather is used also in Patent Document 2, individual differences occur.

本発明は、このような課題に鑑みてなされたものであり、個体差がなく低コストで製造可能なバドミントン用シャトルを提供することを目的とする。   This invention is made | formed in view of such a subject, and it aims at providing the shuttle for badminton which can be manufactured at low cost without an individual difference.

上記課題を解決するために、本発明に係るバドミントン用シャトルは、先端側から順に連結された、台と、羽軸部と、羽根部と、を備えるバドミントン用シャトルにおいて、前記羽軸部は、合成樹脂から一体成型された、先端側が前記台に連結された複数の羽軸と、前記羽軸に直交する方向に延在して複数の前記羽軸を連結する羽軸連結リングと、を備え、全体として後端側に向けて広がる円錐台形状をしており、前記羽根部は、合成樹脂から一体成型された、前記羽軸の後端部分が挿入される挿入穴が形成された羽根芯と、羽弁と、を備える羽根を複数備え、前記羽軸の前記挿入穴に挿入される挿入部分には係止突起が形成され、前記羽根の前記挿入穴の内部には、前記係止突起が嵌まる係止凹部であって、前記挿入穴の壁を貫通する係止凹部が形成されると共に、前記羽根は前記羽軸に対して着脱可能に連結されている、ことを特徴とする。 In order to solve the above-described problem, the badminton shuttle according to the present invention is a badminton shuttle including a base, a wing shaft portion, and a wing portion, which are connected in order from the tip side. A plurality of wing shafts integrally formed from synthetic resin, the tip side of which is connected to the table, and a wing shaft connection ring extending in a direction orthogonal to the wing shaft and connecting the plurality of wing shafts. The blade core has a truncated cone shape that extends toward the rear end as a whole, and the blade portion is integrally formed from synthetic resin, and a blade core having an insertion hole into which the rear end portion of the blade shaft is inserted is formed. And a plurality of blades each including a wing valve, and a locking protrusion is formed in an insertion portion inserted into the insertion hole of the blade shaft, and the locking protrusion is formed in the insertion hole of the blade. A locking recess that fits into the locking hole that penetrates the wall of the insertion hole With parts are formed, the blade is detachably connected to said blade axis, it is characterized.

本発明に係るバドミントン用シャトルによれば、個体差がなく飛行特性が安定すると共に、低コストで製造可能である。   According to the badminton shuttle of the present invention, there is no individual difference, the flight characteristics are stable, and the badminton shuttle can be manufactured at low cost.

図１は、本発明の実施形態に係るシャトルの斜視図である。FIG. 1 is a perspective view of a shuttle according to an embodiment of the present invention. 図２は、本発明の実施形態に係るシャトルの正面図である。FIG. 2 is a front view of the shuttle according to the embodiment of the present invention. 図３は、本発明の実施形態に係る台及び羽軸部の斜視図である。FIG. 3 is a perspective view of a table and a wing shaft according to the embodiment of the present invention. 図４は、本発明の実施形態に係る台及び羽軸部の断面図である。FIG. 4 is a cross-sectional view of a table and a wing shaft according to an embodiment of the present invention. 図５は、本発明の実施形態に係る羽軸部の一部拡大正面図である。FIG. 5 is a partially enlarged front view of the wing shaft portion according to the embodiment of the present invention. 図６は、本発明の実施形態に係る羽根と羽軸の連結部分の斜視図である。FIG. 6 is a perspective view of a connecting portion between a blade and a blade shaft according to the embodiment of the present invention. 図７は、本発明の実施形態に係る羽根と羽軸の連結部分の断面図である。FIG. 7 is a cross-sectional view of a connecting portion between a blade and a blade shaft according to the embodiment of the present invention. 図８は、本発明の実施形態の変形例に係る台及び羽軸部の断面図である。FIG. 8 is a cross-sectional view of a table and a wing shaft according to a modification of the embodiment of the present invention.

以下、図面を参照しながら本発明の実施形態に係るバドミントン用シャトルについて説明する。図１は、本実施形態に係るシャトルの斜視図である。図２は、本実施形態に係るシャトルの正面図である。図３は、本実施形態に係る台及び羽軸部の斜視図である。図4は、本実施形態に係る台及び羽軸部の断面図である。   Hereinafter, a badminton shuttle according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of a shuttle according to the present embodiment. FIG. 2 is a front view of the shuttle according to the present embodiment. FIG. 3 is a perspective view of a table and a wing shaft part according to the present embodiment. FIG. 4 is a cross-sectional view of the pedestal and wing shaft according to the present embodiment.

図５は、本実施形態に係る羽軸部の一部拡大正面図である。図６は、本実施形態に係る羽根と羽軸の連結部分の斜視図である。図７は、本実施形態に係る羽根と羽軸の連結部分の断面図である。   FIG. 5 is a partially enlarged front view of the wing shaft portion according to the present embodiment. FIG. 6 is a perspective view of a connecting portion between a blade and a blade shaft according to the present embodiment. FIG. 7 is a cross-sectional view of a connecting portion between a blade and a blade shaft according to the present embodiment.

シャトル１は、台１０と、羽軸部２０と、羽根部３０とを備える。シャトル１は、飛行時に台１０が先端に位置して飛行するように構成されている。よって、本明細書では、シャトル１の台１０が位置する側を先端側（図２において左側）、羽根部３０が位置する側を後端側（図２において右側）とする。また、シャトル１の中心を先端から後端に向けて延在する軸をシャトル軸とする。   The shuttle 1 includes a platform 10, a wing shaft portion 20, and a wing portion 30. The shuttle 1 is configured to fly with the platform 10 positioned at the tip during flight. Therefore, in this specification, the side where the platform 10 of the shuttle 1 is located is the front end side (left side in FIG. 2), and the side where the blade portion 30 is located is the rear end side (right side in FIG. 2). Further, an axis extending from the front end to the rear end of the center of the shuttle 1 is defined as a shuttle axis.

台１０は、全体として先端側に凸の略半球形状であり、合成樹脂製で中空の略半球形状の樹脂部１１と、樹脂部１１の表面を覆う同じく略半球形状のゴムカバー１３とを備えている。樹脂部１１は、先端側の中空半球部分と後端側の円筒部分とが合体した形状である。ゴムカバー１３は、ゴム等の弾性材料製のカバーであり、樹脂部１１の表面全体を覆っている。ゴムカバー１３を設置しておくことで、台１０の先端がコートの床やラケットの打撃面と衝突した際の衝撃を吸収することができる。   The base 10 has a generally hemispherical shape that is convex toward the tip side as a whole, and includes a hollow substantially hemispherical resin portion 11 made of a synthetic resin and a substantially hemispherical rubber cover 13 that covers the surface of the resin portion 11. ing. The resin portion 11 has a shape in which the hollow hemispherical portion on the front end side and the cylindrical portion on the rear end side are combined. The rubber cover 13 is a cover made of an elastic material such as rubber and covers the entire surface of the resin portion 11. By installing the rubber cover 13, it is possible to absorb an impact when the tip of the table 10 collides with a court floor or a racket striking surface.

羽軸部２０は、全体として、後端に向かって直径が広がる円錐台形状（スカート形状）である。羽軸部２０は、16本の羽軸２１と、16本の羽軸２１をシャトル軸周りに連結する羽軸連結リング２４とを備えている。本実施形態では、上述した台１０の樹脂部１１と、羽軸２１及び羽軸連結リング２４からなる羽軸部２０とが、合成樹脂から射出成形により一体成型されている。   The wing shaft part 20 as a whole has a truncated cone shape (skirt shape) whose diameter increases toward the rear end. The wing shaft portion 20 includes 16 wing shafts 21 and a wing shaft connecting ring 24 that connects the 16 wing shafts 21 around the shuttle shaft. In the present embodiment, the resin portion 11 of the base 10 and the wing shaft portion 20 including the wing shaft 21 and the wing shaft coupling ring 24 are integrally molded from synthetic resin by injection molding.

16本の羽軸２１は、先端が樹脂部１１の後端の円形開口縁に周方向に等間隔で連結され、後端側に向けて上記円錐台の側面上においてシャトル軸に対して所定の角度で広がりながら延在している。羽軸連結リング２４は、16本の羽軸２１に直交する方向に周回して、これらを連結している。   The 16 wing shafts 21 are connected at their tips to the circular opening edge of the rear end of the resin portion 11 at equal intervals in the circumferential direction, and have a predetermined distance from the shuttle shaft on the side surface of the truncated cone toward the rear end side. It extends while spreading at an angle. The wing shaft connection ring 24 circulates in a direction perpendicular to the 16 wing shafts 21 to connect them.

羽軸２１は、後述するように羽根３１の挿入穴３３に後端側が挿入される軸であり、後端に向けて徐々に細くなるように形成される（図４等参照）と共に、その軸方向に垂直な断面は横長の六角形である（図６等参照）。また、羽軸２１の挿入穴３３に挿入される部分の両側面には、側方に突出する係止突起２３が形成されている（図６及び図７参照）。   The wing shaft 21 is a shaft into which the rear end side is inserted into the insertion hole 33 of the blade 31 as will be described later, and is formed so as to be gradually narrowed toward the rear end (see FIG. 4 and the like). The cross section perpendicular to the direction is a horizontally long hexagon (see FIG. 6 and the like). Further, locking projections 23 projecting sideways are formed on both side surfaces of the portion inserted into the insertion hole 33 of the blade shaft 21 (see FIGS. 6 and 7).

ここで、図５に拡大して示すように、羽軸２１は、羽根３１の挿入穴３３に挿入される挿入部分よりも先端側において、途中に所定の長さの捻り部２２を備えており、羽軸２１は、捻り部２２において、その軸周りに7°捻られている。   Here, as shown in an enlarged view in FIG. 5, the wing shaft 21 includes a twisted portion 22 having a predetermined length in the middle of the distal end side of the insertion portion inserted into the insertion hole 33 of the wing 31. The wing shaft 21 is twisted about the axis at the twisted portion 22 by 7 °.

よって、羽軸２１の軸方向に垂直な断面は、捻り部２２よりも先端側においては、横長六角形の長軸（横長六角形の最も離れた頂点を結ぶ線）がシャトル軸周りの円の接線に平行となっているのに対して、捻り部２２よりも後端側においては、横長六角形の長軸が同接線に対して7°傾いている。   Therefore, in the cross section perpendicular to the axial direction of the wing shaft 21, the long hexagonal long axis (the line connecting the farthest vertices of the horizontal hexagon) on the tip side of the twisted portion 22 is a circle around the shuttle axis. Whereas it is parallel to the tangent, the long hexagonal long axis is inclined 7 ° with respect to the tangent on the rear end side of the twisted portion 22.

羽軸連結リング２４は、羽軸２１の挿入穴３３への挿入部分よりも先端側であって、台１０から所定の距離の位置で、シャトル軸周りに周回しながら16本の羽軸２１を連結している。このように、16本の羽軸２１の所定の部分を一体に連結することで、衝突時の羽軸２１の変形を抑え、羽軸部２０の構造を補強することができる。   The wing shaft connection ring 24 is on the tip side of the insertion portion of the wing shaft 21 into the insertion hole 33, and at the position of a predetermined distance from the base 10, the 16 wing shafts 21 are rotated around the shuttle shaft. It is connected. In this way, by connecting predetermined portions of the 16 wing shafts 21 together, deformation of the wing shaft 21 at the time of collision can be suppressed, and the structure of the wing shaft portion 20 can be reinforced.

羽根部３０は、それぞれ羽軸２１に連結される16本の羽根３１を備えている。羽根３１は、軸となる羽根芯３２と、羽根芯３２の両側に同一面上に位置するように設置された2枚の羽弁３５とを備えている。羽根芯３２の先端には、上述した羽軸２１が挿入される挿入穴３３が羽根芯３２の軸に沿って所定の深さまで形成されている。   The blade part 30 is provided with 16 blades 31 each connected to the blade shaft 21. The blade 31 includes a blade core 32 serving as an axis, and two blade valves 35 installed on both sides of the blade core 32 so as to be positioned on the same plane. An insertion hole 33 into which the wing shaft 21 is inserted is formed at the tip of the blade core 32 to a predetermined depth along the axis of the blade core 32.

挿入穴３３の形状は、羽軸２１の挿入部分の形状と略同一であり、奥に行くほど徐々に細くなるように形成されると共に、その軸方向に垂直な断面は横長の六角形である。なお、この横長六角形の長軸は、羽弁３５と同一面上に位置している。   The shape of the insertion hole 33 is substantially the same as the shape of the insertion portion of the wing shaft 21 and is formed so as to become gradually thinner toward the back, and the cross section perpendicular to the axial direction is a horizontally long hexagon. . The long axis of the horizontally long hexagon is located on the same plane as the blade 35.

よって、羽根３１の挿入穴３３に羽軸２１の後端が挿入され、羽軸２１と羽根３１とが連結されると、先細り形状の羽軸２１が、同じく先細り形状の挿入穴３３内に圧入され、圧入抵抗に対応する引抜抵抗と摩擦により羽軸２１と羽根３１とが連結固定される。   Therefore, when the rear end of the blade shaft 21 is inserted into the insertion hole 33 of the blade 31 and the blade shaft 21 and the blade 31 are connected, the tapered blade shaft 21 is press-fitted into the tapered insertion hole 33. Then, the blade shaft 21 and the blade 31 are connected and fixed by the pull-out resistance and friction corresponding to the press-fit resistance.

さらに、挿入穴３３の内部には、羽軸２１が奥まで挿入された状態で、係止突起２３と対向する位置に係止突起２３が嵌まり込む係止凹部３４が形成されている。羽軸２１を挿入穴３３内に挿入する際には、係止突起２３の部分は、係止凹部３４に到達するまで、羽根芯３２の内壁面にぶつかって変形しながら圧入される。よって、いったん係止突起２３が係止凹部３４に嵌まり込むと、大きな力で羽軸２１を引っ張らないと抜けないように（引抜抵抗）、羽軸２１と羽根３１とが強固に連結固定される。   Furthermore, a locking recess 34 into which the locking projection 23 is fitted is formed in the insertion hole 33 at a position facing the locking projection 23 in a state where the blade shaft 21 is inserted all the way. When the blade shaft 21 is inserted into the insertion hole 33, the portion of the locking projection 23 is pressed into the inner wall surface of the blade core 32 while being deformed until reaching the locking recess 34. Therefore, once the locking projection 23 is fitted in the locking recess 34, the blade shaft 21 and the blade 31 are firmly connected and fixed so that they cannot be pulled out unless the blade shaft 21 is pulled with a large force (pulling resistance). The

羽軸２１と羽根３１とが連結固定されると、羽軸２１の軸垂直断面及び挿入穴３３の軸垂直断面が横長の六角形であるため、羽根３１が羽軸２１に対して軸周りに回転することなく固定される。   When the blade shaft 21 and the blade 31 are connected and fixed, the shaft vertical section of the blade shaft 21 and the shaft vertical section of the insertion hole 33 are horizontally long hexagons. Fixed without rotating.

また、上述したように、羽軸２１は捻り部２２を備えており、羽軸２１の後端部分では、羽軸２１の軸垂直断面の横長六角形の長軸がシャトル軸周りの円の接線に対して7°傾斜していると共に、羽根３１の2枚の羽弁３５は、羽根３１の挿入穴３３の軸垂直断面の長軸と同一平面上に位置する。よって、羽軸２１と羽根３１との連結時には、羽根３１は、羽弁３５がシャトル軸周りの円の接線に対して7°傾斜した姿勢で羽軸２１に対して固定される。   Further, as described above, the wing shaft 21 is provided with the twisted portion 22, and at the rear end portion of the wing shaft 21, the long hexagonal long axis of the axis vertical section of the wing shaft 21 is tangent to the circle around the shuttle shaft. The two blade valves 35 of the blade 31 are located on the same plane as the long axis of the axial vertical section of the insertion hole 33 of the blade 31. Therefore, when the blade shaft 21 and the blade 31 are connected, the blade 31 is fixed to the blade shaft 21 in a posture in which the blade valve 35 is inclined by 7 ° with respect to the tangent line of the circle around the shuttle shaft.

ここで、羽根３１の幅は、羽軸２１の後端部分の設置間隔よりも長いため、羽軸２１に固定された羽根３１は、姿勢によっては隣接する羽根３１の羽弁３５同士が衝突する。本実施形態では、図１に示すように、羽軸２１に捻り部２２が形成されており、全ての羽根３１がシャトル軸周りの円の接線に対して同じ方向に7°傾いて設置されているため、隣接する羽弁３５同士が衝突することなく、順次重なり合った状態となっている。もちろん、この傾斜角度は、7°に限らず適宜変更可能である。   Here, since the width | variety of the blade | wing 31 is longer than the installation space | interval of the rear-end part of the blade shaft 21, the blade 31 fixed to the blade shaft 21 collides with the blades 35 of the adjacent blade | wing 31 depending on an attitude | position. . In this embodiment, as shown in FIG. 1, the twisted portion 22 is formed on the blade shaft 21, and all the blades 31 are installed with an inclination of 7 ° in the same direction with respect to the tangent line of the circle around the shuttle shaft. Therefore, the adjacent feather valves 35 are sequentially overlapped without colliding with each other. Of course, the inclination angle is not limited to 7 ° and can be changed as appropriate.

このように、羽根３１の羽弁３５をシャトル軸周りの円の接線に対して傾けるために、羽軸２１の途中に所定の長さの捻り部２２を形成し、徐々に羽軸２１を捻ることで、所定の位置で一遍に7°捻る場合に比べて、羽軸２１の表面を段差等が形成されることなく滑らかに形成することができる。   Thus, in order to incline the feather valve 35 of the blade 31 with respect to the tangent of the circle around the shuttle shaft, a twisted portion 22 having a predetermined length is formed in the middle of the blade shaft 21, and the blade shaft 21 is gradually twisted. As a result, the surface of the blade shaft 21 can be smoothly formed without forming a step or the like, as compared with the case where it is twisted by 7 ° at a predetermined position.

羽弁３５をシャトル軸周りの円の接線に対して傾けるための構成は、捻り部２２に限られるものではなく、羽軸２１の樹脂部１１との接続部分において所定の角度捻って接続するようにしても良いし、羽根３１の挿入穴３３を羽弁３５に対して所定の角度捻って形成するようにしても良い。   The configuration for inclining the feather valve 35 with respect to the tangent of the circle around the shuttle shaft is not limited to the twisted portion 22, and the twisted portion 22 is connected by twisting a predetermined angle at the connection portion with the resin portion 11 of the feather shaft 21. Alternatively, the insertion hole 33 of the blade 31 may be formed by twisting a predetermined angle with respect to the blade valve 35.

羽根３１の羽根芯３２及び羽弁３５は、合成樹脂から射出成形により一体成型される。なお、羽軸２１及び挿入穴３３の軸方向に垂直な断面形状は、両者が軸周りに相対的に回転しないように非円形状であるのが望ましく、四角形や三角形等の多角形状や、楕円形状等であっても良い。   The blade core 32 and the blade valve 35 of the blade 31 are integrally molded from synthetic resin by injection molding. The cross-sectional shape perpendicular to the axial direction of the wing shaft 21 and the insertion hole 33 is preferably non-circular so that they do not rotate relative to each other around the axis. It may be a shape or the like.

また、上述した係止突起２３及び係止凹部３４により羽軸２１と羽根３１の相対的な回転が阻止されるのであれば、羽軸２１の挿入穴３３の断面が円形であっても良い。また、係止突起が羽根３１側に形成され、係止凹部が羽軸２１側に形成されていてもよい。 Further, if the relative rotation of the blade shaft 21 and the blade 31 is prevented by the locking protrusion 23 and the locking recess 34 described above, the section of the insertion hole 33 of the blade shaft 21 may be circular. Further, the locking protrusion may be formed on the blade 31 side, and the locking recess may be formed on the blade shaft 21 side.

以上、本実施形態に係るシャトル１について説明したが、本実施形態によれば、羽軸部２０及び羽根部３０を樹脂成型しており、従来のように天然の羽根を用いることによる個体差や羽根を接着剤で台に固定することによる個体差が生じることなく、飛行特性が安定したバドミントン用シャトルを低コストで量産可能である。   Although the shuttle 1 according to the present embodiment has been described above, according to the present embodiment, the wing shaft portion 20 and the blade portion 30 are resin-molded, and individual differences and Badminton shuttles with stable flight characteristics can be mass-produced at low cost without causing individual differences due to fixing the blades to the table with an adhesive.

また、樹脂材料として軽量且つ高強度の材料を採用することで、シャトル１の強度を高めて耐久性を向上させることができる。   Further, by adopting a lightweight and high strength material as the resin material, the strength of the shuttle 1 can be increased and the durability can be improved.

また、本実施形態では、16本の羽根３１は互いに連結されておらず、16本の羽根３１が全て個別に羽軸部２０（羽軸２１）に対して着脱可能である。よって、シャトル１の使用により羽根３１の一部が破損した場合には、その破損した羽根３１のみを手軽に交換し、そのシャトル１を使用し続けることができ、ランニングコストを大きく抑えることができる。   In the present embodiment, the 16 blades 31 are not connected to each other, and all the 16 blades 31 can be individually attached to and detached from the blade shaft portion 20 (the blade shaft 21). Therefore, when a part of the blade 31 is damaged due to the use of the shuttle 1, it is possible to easily replace only the damaged blade 31 and continue to use the shuttle 1, thereby greatly reducing the running cost. .

また、本実施形態においては、羽根部３０に挿入穴３３を形成し、羽軸部２０の羽軸２１の後端を羽根部３０の挿入穴３３に挿入する構造を採用しており、羽軸２１に挿入穴を形成する場合と比較して、構造を強固にすることができる。   Moreover, in this embodiment, the structure which forms the insertion hole 33 in the blade | wing part 30 and inserts the rear end of the wing shaft 21 of the wing shaft part 20 in the insertion hole 33 of the wing | blade part 30 is employ | adopted. Compared with the case where an insertion hole is formed in 21, the structure can be strengthened.

また、16本の羽軸２１は羽軸連結リング２４によって一体に連結された状態で射出成形されるのに対して、16本の羽根３１はそれぞれ別体で射出成形されるため、羽根３１であれば射出成形工程が複雑になることなく挿入穴３３を形成可能である。   In addition, the 16 blade shafts 21 are injection-molded in a state of being integrally connected by the blade shaft connection ring 24, whereas the 16 blades 31 are separately injection-molded. If so, the insertion hole 33 can be formed without complicating the injection molding process.

続いて、本発明の実施形態の変形例について説明する。図８は、本実施形態の変形例に係る台及び羽軸部の断面図である。本変形例に係るシャトル２は、台１０’及び羽軸部２０’の構成が上記実施形態と異なるが、その他の構成は上記実施形態と同じであるため、主として異なる構成について説明する。   Then, the modification of embodiment of this invention is demonstrated. FIG. 8 is a cross-sectional view of a table and a wing shaft according to a modification of the present embodiment. The shuttle 2 according to this modification is different from the above embodiment in the configurations of the platform 10 ′ and the wing shaft portion 20 ′, but the other configurations are the same as those in the above embodiment, so that the different configurations will be mainly described.

上記実施形態では、台１０の樹脂部１１と羽軸部２０の羽軸２１とが樹脂成型により一体に形成されていたが、本変形例では、台１０’と羽軸部２０’とは別々に形成されてから合体される。具体的には、台１０’は、コルク製のコルク台１２とゴムカバー１３とから構成され、羽軸部２０’の先端部分はコルク台１２に挿し込まれて固定される。   In the above embodiment, the resin portion 11 of the base 10 and the wing shaft 21 of the wing shaft portion 20 are integrally formed by resin molding. However, in this modification, the pedestal 10 ′ and the wing shaft portion 20 ′ are separately provided. After being formed, they are united. Specifically, the base 10 ′ is composed of a cork base 12 made of cork and a rubber cover 13, and the tip portion of the wing shaft portion 20 ′ is inserted into the cork base 12 and fixed.

図８に示すように、羽軸部２０’の先端側端面には、コルク台１２に挿し込まれる突起部である台連結部２５が形成されている。台連結部２５は、端面の中心軸周りに90°間隔で設置された4本の柱状突起部から構成されている。   As shown in FIG. 8, a base connecting portion 25, which is a protrusion inserted into the cork base 12, is formed on the end surface on the tip end side of the blade shaft portion 20 ′. The base connecting part 25 is composed of four columnar protrusions disposed at 90 ° intervals around the center axis of the end face.

本変形例によれば、台１０’と羽軸部２０’とが一体に成型されておらず、台１０’のコルク台１２に羽軸部２０’を挿し込む作業が必要になるため、上記実施形態と比較すると製造工程において手間がかかるが、従来の天然の羽根を用いたシャトルと同じようにコルク台１２を採用しているため、従来のシャトルと同じような飛行特性を得ることができる。   According to the present modification, the base 10 ′ and the wing shaft portion 20 ′ are not integrally molded, and it is necessary to insert the wing shaft portion 20 ′ into the cork base 12 of the base 10 ′. Compared to the embodiment, it takes time in the manufacturing process, but since the cork table 12 is employed in the same manner as a shuttle using a conventional natural blade, flight characteristics similar to those of a conventional shuttle can be obtained. .

また、本変形例では、羽軸２１と羽根３１とが着脱可能であり、上記実施形態と同様の作用効果を奏することもできる。   Moreover, in this modification, the wing shaft 21 and the wing | blade 31 can be attached or detached, and there can exist an effect similar to the said embodiment.

以上、変形例も含めて本発明の実施形態について説明したが、本発明は上述した実施の形態に限定されるものではなく、本発明の主旨を逸脱しない範囲内で種々の変形が可能である。例えば、シャトルを構成する各部材のサイズや形状、個数、素材等は適宜変更可能であり、上記実施形態では、羽軸及び羽根の本数を16本としたが、適宜変更可能である。   As mentioned above, although embodiment of this invention was described including a modification, this invention is not limited to embodiment mentioned above, A various deformation | transformation is possible within the range which does not deviate from the main point of this invention. . For example, the size, shape, number, material, etc. of each member constituting the shuttle can be changed as appropriate. In the above embodiment, the number of blade shafts and blades is 16, but it can be changed as appropriate.

１，２ シャトル
１０ 台
２０ 羽軸部
２１ 羽軸
２２ 捻り部
２３ 係止突起
２４ 羽軸連結リング
３０ 羽根部
３１ 羽根
３２ 羽根芯
３３ 挿入穴
３４ 係止凹部
３５ 羽弁 1 and 2 Shuttle 10 units 20 wing shaft portion 21 wing shaft 22 twisted portion 23 locking projection 24 wing shaft connecting ring 30 blade portion 31 blade 32 blade core 33 insertion hole 34 locking recess 35 blade valve

Claims (1)

先端側から順に連結された、台と、羽軸部と、羽根部と、を備えるバドミントン用シャトルにおいて、
前記羽軸部は、合成樹脂から一体成型された、先端側が前記台に連結された複数の羽軸と、前記羽軸に直交する方向に延在して複数の前記羽軸を連結する羽軸連結リングと、を備え、全体として後端側に向けて広がる円錐台形状をしており、
前記羽根部は、合成樹脂から一体成型された、前記羽軸の後端部分が挿入される挿入穴が形成された羽根芯と、羽弁と、を備える羽根を複数備え、
前記羽軸の前記挿入穴に挿入される挿入部分には係止突起が形成され、前記羽根の前記挿入穴の内部には、前記係止突起が嵌まる係止凹部であって、前記挿入穴の壁を貫通する係止凹部が形成されると共に、
前記羽根は前記羽軸に対して着脱可能に連結されている、ことを特徴とするバドミントン用シャトル。 In a badminton shuttle comprising a base, a wing shaft part, and a wing part connected in order from the tip side,
The wing shaft portion is integrally molded from a synthetic resin, and has a plurality of wing shafts whose tip sides are connected to the table, and a wing shaft that extends in a direction perpendicular to the wing shaft and connects the plurality of wing shafts. And a connecting ring, and has a truncated cone shape that spreads toward the rear end as a whole,
The blade portion includes a plurality of blades each including a blade core integrally formed from a synthetic resin and formed with an insertion hole into which a rear end portion of the blade shaft is inserted, and a blade valve,
The insertion portion inserted into the insertion hole of the wing shaft is formed with a locking projection, and inside the insertion hole of the blade, there is a locking recess into which the locking projection fits, and the insertion hole A locking recess that penetrates the wall of the
The shuttle for badminton, wherein the blade is detachably connected to the blade shaft.
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