JP5618611B2 - code - Google Patents

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JP5618611B2
JP5618611B2 JP2010105881A JP2010105881A JP5618611B2 JP 5618611 B2 JP5618611 B2 JP 5618611B2 JP 2010105881 A JP2010105881 A JP 2010105881A JP 2010105881 A JP2010105881 A JP 2010105881A JP 5618611 B2 JP5618611 B2 JP 5618611B2
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Prior art keywords
fitting
connecting member
cord
protrusion
fitted
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JP2011236551A (en
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中村　元
中村　　元
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Tachikawa Corp
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Tachikawa Corp
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Priority to JP2010105881A priority Critical patent/JP5618611B2/en
Application filed by Tachikawa Corp filed Critical Tachikawa Corp
Priority to PCT/JP2011/060227 priority patent/WO2011136255A1/en
Priority to BR112012027679-4A priority patent/BR112012027679B1/en
Priority to EP11775036.4A priority patent/EP2565363B1/en
Priority to CA2834017A priority patent/CA2834017C/en
Priority to US13/643,809 priority patent/US8898871B2/en
Priority to CN201180021021.6A priority patent/CN102859107B/en
Priority to AU2011246146A priority patent/AU2011246146A1/en
Priority to TW100115049A priority patent/TWI502129B/en
Publication of JP2011236551A publication Critical patent/JP2011236551A/en
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Publication of JP5618611B2 publication Critical patent/JP5618611B2/en
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor

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  • Blinds (AREA)
  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)

Description

この発明は、コードの接続装置に関するものである。   The present invention relates to a cord connecting apparatus.

横型ブラインドの一種類として、ヘッドボックスの一端に回動可能に支持されたプーリーに無端状のボールチェーンを操作コードとして掛装し、そのボールチェーンを操作してプーリーを回転させることにより、スラットを昇降操作及び角度調節可能としたものがある。   As one type of horizontal blind, an endless ball chain is hung as an operation cord on a pulley that is rotatably supported at one end of a head box, and the pulley is rotated by operating the ball chain. There is one that can be moved up and down and the angle can be adjusted.

ボールチェーンは、例えば合成樹脂で紐状に形成されたコードに対し、同じく合成樹脂のボールを等間隔に成形して固定したものである。そして、プーリーの周面に形成された凹部に各ボールを順次係合させてプーリーを回転駆動可能となっている。   The ball chain is formed by, for example, molding synthetic resin balls at equal intervals on a cord formed of a synthetic resin in a string shape. The balls can be sequentially engaged with recesses formed on the peripheral surface of the pulley so that the pulley can be driven to rotate.

このようなボールチェーンは、多数のボールを成形して取着したコードの両端をコネクタで連結して無端状とする構成が一般的である。また、プーリーに対しボールチェーンを１回転以上周回させてスラットの昇降操作を行う横型ブラインドの場合には、ボールチェーンの結合部のボール形状及びボール間隔は他の部分のボール形状及びボール間隔と同一とする必要がある。   Such a ball chain is generally configured to be endless by connecting both ends of a cord formed by attaching a large number of balls with a connector. Also, in the case of a horizontal blind that moves the ball chain around the pulley one or more times to move the slats up and down, the ball shape and ball spacing of the ball chain joint are the same as the ball shape and ball spacing of other parts. It is necessary to.

このような場合には、結合部のボールを２分割し、その分割部を互いに嵌合してボールを構成するものが提案されている。（特許文献１参照）
上記のように無端状のボールチェーンがプーリーから垂下されていると、そのボールチェーンの無端縁が室内を移動する居住者やその他の移動物体に引っ掛かることがある。 In such a case, it has been proposed to divide the ball of the joint part into two parts and fit the divided parts to each other to form a ball. (See Patent Document 1)
When the endless ball chain is suspended from the pulley as described above, the endless edge of the ball chain may be caught by a resident moving in the room or other moving objects.

そこで、無端状のボールチェーンを構成する連結部には、通常の操作時に作用する引張り力を超えるような過大な引張り力が作用するときには、その引張り力により切断されて居住者の安全を確保し、かつボールチェーンが掛装されるプーリー等の損傷を未然に防止するフェイルセーフ機能を備えることが必要である。   Therefore, when an excessive pulling force that exceeds the pulling force that is applied during normal operation is applied to the connecting part that forms the endless ball chain, the pulling force is cut to ensure the safety of the occupant. In addition, it is necessary to provide a fail-safe function for preventing damage to a pulley or the like on which the ball chain is mounted.

特開２００３−１８４４５６号JP 2003-184456 A

上記のようなボールチェーンにおいて、分割部を互いに嵌合して連結部を形成するとき、その連結部に十分な保持力を確保するためには、その保持力以上の押圧力で連結部を嵌合する必要があり、所定の工具を必要とする。従って、過大な引張り力で切断された後にも容易に再結合することが難しい。   In the ball chain as described above, when the divided portions are fitted to each other to form a connecting portion, the connecting portion is fitted with a pressing force greater than the holding force in order to secure a sufficient holding force at the connecting portion. It is necessary to match, and a predetermined tool is required. Therefore, it is difficult to easily recombine after being cut by an excessive tensile force.

この発明の目的は、軽微な操作力でコードを確実にかつ確認可能に連結可能としながら、十分な保持力を確保し得るコードの連結部を提供することにある。   An object of the present invention is to provide a cord connecting portion that can secure a sufficient holding force while allowing a cord to be reliably and easily connected with a slight operating force.

請求項１では、両端部を連結部で連結したコードにおいて、前記連結部は、軸状の嵌合突部を備えた第一の連結部材と、前記嵌合突部を嵌合可能とした嵌合孔を備えた第二の連結部材とで構成し、前記嵌合突部は前記嵌合孔に挿入して回動させることにより該嵌合孔に嵌合可能とし、前記第一の連結部材には前記嵌合突部が嵌合孔に嵌合されたことを表示する表示手段を設け、前記第一及び第二の連結部材を合成樹脂で成形し、前記第二の連結部材を、一対の前記第一の連結部材の嵌合突部を両側から嵌合可能とした筒状に形成し、前記第一及び第二の連結部材には、前記嵌合突部を嵌合位置で位置決めする位置決め手段を設け、前記表示手段として、前記第一の連結部材にそれぞれ設けられ、前記位置決め手段による位置決め動作時に互いに対向するように位置する嵌合目印を備えた。 According to claim 1, in the cord in which both ends are connected by a connecting portion, the connecting portion has a first connecting member provided with a shaft-like fitting protrusion and a fitting that allows the fitting protrusion to be fitted. A second connecting member provided with a joint hole, and the fitting projection can be fitted into the fitting hole by being inserted into the fitting hole and rotated, and the first connecting member Is provided with a display means for displaying that the fitting protrusion is fitted into the fitting hole, the first and second connecting members are molded of synthetic resin, and the second connecting members are paired with each other. The fitting protrusion of the first connecting member is formed in a cylindrical shape that can be fitted from both sides, and the fitting protrusion is positioned at the fitting position on the first and second connecting members. Positioning means is provided, and each of the first connecting members is provided as the display means. With a mating mark which is positioned to face.

請求項２では、前記嵌合目印を前記第一の連結部材の外周面において、前記第二の連結部材との接合面近傍に設けた凹部とした。
請求項３では、前記第一の連結部材を前記第二の連結部材に対し、時計方向に回動させて前記嵌合位置で位置決めする。 According to a second aspect of the present invention, the fitting mark is a recess provided in the vicinity of the joint surface with the second connecting member on the outer peripheral surface of the first connecting member.
According to a third aspect of the present invention, the first connecting member is rotated clockwise with respect to the second connecting member and positioned at the fitting position.

請求項４では、両端部を連結部で連結したコードにおいて、前記連結部は、軸状の嵌合突部を備えた第一の連結部材と、前記嵌合突部を嵌合可能とした嵌合孔を備えた第二の連結部材とで構成し、前記嵌合突部は前記嵌合孔に挿入して回動させることにより該嵌合孔に嵌合可能とし、前記第一の連結部材には前記嵌合突部が嵌合孔に嵌合されたことを表示する表示手段を設け、前記第一及び第二の連結部材を合成樹脂で成形し、前記第一及び第二の連結部材には、前記嵌合突部を嵌合位置で位置決めする位置決め手段を設け、前記表示手段として、前記第一及び第二の連結部材にそれぞれ設けられ、前記位置決め手段による位置決め動作時に互いに対向するように位置する嵌合目印を備えた。 According to a fourth aspect of the present invention, in the cord in which both end portions are connected by the connecting portion, the connecting portion is fitted to the first connecting member having a shaft-like fitting protrusion and the fitting protrusion can be fitted. A second connecting member provided with a joint hole, and the fitting projection can be fitted into the fitting hole by being inserted into the fitting hole and rotated, and the first connecting member Is provided with a display means for displaying that the fitting protrusion is fitted in the fitting hole, and the first and second connecting members are formed of synthetic resin, and the first and second connecting members are provided. Is provided with positioning means for positioning the fitting protrusion at the fitting position, and is provided as the display means on each of the first and second connecting members so as to face each other during the positioning operation by the positioning means. With a fitting mark located at.

請求項５では、前記嵌合目印を、前記第一及び第二の連結部材の外周面において、該第一及び第二の連結部材の接合面の近傍に設けた凹部とした。
請求項６では、前記嵌合目印を、前記第一及び第二の連結部材の外周面にそれぞれ一箇所設けた。 According to a fifth aspect of the present invention, the fitting mark is a recess provided in the vicinity of the joint surface of the first and second connecting members on the outer peripheral surfaces of the first and second connecting members.
In Claim 6, the said fitting mark was provided in one place on the outer peripheral surface of said 1st and 2nd connection member, respectively.

本発明によれば、軽微な操作力でコードを確実にかつ確認可能に連結可能としながら、十分な保持力を確保し得るコードの連結部を提供することができる。   ADVANTAGE OF THE INVENTION According to this invention, the connection part of the code | cord | chord which can ensure sufficient holding | maintenance force can be provided, making it possible to connect a code | cord | chord reliably and confirmably with a slight operation force.

一実施形態のプリーツスクリーンを示す斜視図である。It is a perspective view which shows the pleat screen of one Embodiment. ボールチェーン示す正面図である。It is a front view showing a ball chain. ボールチェーンの連結部を示す正面図である。It is a front view which shows the connection part of a ball chain. 第一の実施形態の連結部を示す分解斜視図である。It is a disassembled perspective view which shows the connection part of 1st embodiment. 第一の連結部材を示す側面図である。It is a side view which shows a 1st connection member. 第一の連結部材を示す断面図である。It is sectional drawing which shows a 1st connection member. 第二の連結部材を示す側面図である。It is a side view which shows a 2nd connection member. 第二の連結部材を示す側面図である。It is a side view which shows a 2nd connection member. 図７におけるＡ−Ａ線断面図である。It is the sectional view on the AA line in FIG. 図７におけるＢ−Ｂ線断面図である。It is the BB sectional view taken on the line in FIG. 図９におけるＣ−Ｃ線断面図である。It is CC sectional view taken on the line in FIG. 連結部材の嵌合状態を示す断面図である。It is sectional drawing which shows the fitting state of a connection member. 第二の実施形態の連結部を示す分解斜視図である。It is a disassembled perspective view which shows the connection part of 2nd embodiment.

（第一の実施形態）
以下、この発明を具体化した第一の実施形態を図面に従って説明する。図１に示すプリーツスクリーンは、ヘッドボックス１から上部スクリーン２が吊下支持され、上部スクリーン２の下端に中間レール３が取着されている。前記中間レール３から下部スクリーン４が吊下支持され、下部スクリーン４の下端にボトムレール５が取着されている。 (First embodiment)
Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. The pleated screen shown in FIG. 1 has an upper screen 2 suspended from a head box 1 and an intermediate rail 3 attached to the lower end of the upper screen 2. A lower screen 4 is suspended from the intermediate rail 3 and a bottom rail 5 is attached to the lower end of the lower screen 4.

前記上部スクリーン２はレース生地等の半透過性の生地をジグザグ状に折り畳み可能としたものであり、下部スクリーン４は遮光性を備えた生地をジグザグ状に折り畳み可能としたものである。   The upper screen 2 can fold a semi-permeable fabric such as a lace fabric in a zigzag shape, and the lower screen 4 can fold a light-shielding fabric in a zigzag shape.

前記上部スクリーン２の幅方向両側近傍には第一及び第二の昇降コード６，７が挿通され、第一の昇降コード６の下端は前記中間レール３に取着されている。第二の昇降コード７は、中間レール３を貫通し、さらに下部スクリーン４に挿通され、下端が前記ボトムレール５に取着されている。   First and second elevating cords 6 and 7 are inserted in the vicinity of both sides in the width direction of the upper screen 2, and the lower end of the first elevating cord 6 is attached to the intermediate rail 3. The second lifting / lowering cord 7 passes through the intermediate rail 3, is further inserted through the lower screen 4, and has a lower end attached to the bottom rail 5.

前記第一及び第二の昇降コード６，７の上端部は、前記ヘッドボックス１内に配設されるスクリーン昇降装置に支持されている。そして、ヘッドボックス１の一端に回転可能に支持されたプーリーから垂下される無端状のボールチェーン８の操作により、中間レール３及びボトムレール５をそれぞれ独立して昇降可能となっている。   Upper ends of the first and second lifting / lowering cords 6 and 7 are supported by a screen lifting / lowering device disposed in the head box 1. The intermediate rail 3 and the bottom rail 5 can be moved up and down independently by operating an endless ball chain 8 suspended from a pulley rotatably supported at one end of the head box 1.

詳述すると、ボールチェーン８の一方を下方へ引き出すと、中間レール３が引き上げられる。中間レール３を所望高さまで引き上げた状態でボールチェーン８を手放すと、ヘッドボックス１内に配設されるストッパー装置が作動して中間レール３が所望高さに保持される。また、この状態からボールチェーン８の一方を下方へ僅かに引くと、ストッパー装置の作動が解除され、中間レール３を所望高さまで自重降下させることが可能となる。   More specifically, when one of the ball chains 8 is pulled downward, the intermediate rail 3 is pulled up. When the ball chain 8 is released with the intermediate rail 3 pulled up to a desired height, the stopper device disposed in the head box 1 is activated to hold the intermediate rail 3 at the desired height. If one of the ball chains 8 is slightly pulled downward from this state, the operation of the stopper device is released, and the intermediate rail 3 can be lowered to its desired height.

一方、ボールチェーン８の他方を下方へ引き出すと、ボトムレール５が引き上げられる。ボトムレール５を所望高さまで引き上げた状態でボールチェーン８を手放すと、ヘッドボックス１内に配設されるストッパー装置が作動してボトムレール５が所望高さに保持される。また、この状態からボールチェーン８の一方を下方へ僅かに引くと、ストッパー装置の作動が解除され、ボトムレール５を所望高さまで自重降下させることが可能となる。   On the other hand, when the other side of the ball chain 8 is pulled downward, the bottom rail 5 is pulled up. When the ball chain 8 is released in a state where the bottom rail 5 is pulled up to a desired height, the stopper device disposed in the head box 1 operates to hold the bottom rail 5 at the desired height. If one of the ball chains 8 is slightly pulled downward from this state, the operation of the stopper device is released, and the bottom rail 5 can be lowered to its desired height.

次に、前記ボールチェーン８の具体的構成を図２〜図１２に従って説明する。図２に示すように、前記ボールチェーン８はポリエステルのコード３０上に等間隔に合成樹脂のボール３１が成形されている。各ボール３１はコード３０の表面上に成形機で長球状の充実体を成形したものであり、各ボール３１がコード３０に対し移動不能に固着されている。   Next, a specific configuration of the ball chain 8 will be described with reference to FIGS. As shown in FIG. 2, the ball chain 8 has synthetic resin balls 31 formed on a polyester cord 30 at equal intervals. Each ball 31 is formed by forming a long spherical solid body on the surface of the cord 30 with a molding machine, and each ball 31 is fixed to the cord 30 so as not to move.

前記コード３０の両端部は、連結部３２で連結されて無端状のボールチェーン８が構成される。図４に示すように、前記連結部３２は同一構成の２つの第一の連結部材３３を筒状の第二の連結部材３４で連結した構成である。   Both end portions of the cord 30 are connected by a connecting portion 32 to form an endless ball chain 8. As shown in FIG. 4, the connecting portion 32 has a configuration in which two first connecting members 33 having the same configuration are connected by a cylindrical second connecting member 34.

前記第一の連結部材３３は、前記コード３０と同一材質の連結コード３５の一端に前記ボール３１の半分の形状の半球部３６がアウトサート成型され、他端には第一の嵌合部３７が形成されている。前記半球部３６と第一の嵌合部３７との間に前記ボール３１と同形状のボール３８が固着され、前記第一の嵌合部３７とボール３８との間隔及びボール３８と半球部３６との間隔は、前記ボール３１の間隔と同一である。   In the first connecting member 33, a hemispherical portion 36 having a half shape of the ball 31 is outsert-molded at one end of a connecting cord 35 made of the same material as the cord 30, and a first fitting portion 37 is formed at the other end. Is formed. A ball 38 having the same shape as the ball 31 is fixed between the hemispherical portion 36 and the first fitting portion 37, the distance between the first fitting portion 37 and the ball 38, and the ball 38 and the hemispherical portion 36. Is the same as the interval between the balls 31.

前記半球部３６及び第一の嵌合部３７は、前記ボール３１と同一の合成樹脂で前記連結コード３５の両端部に成形される。
前記第一の嵌合部３７の基端部は、前記ボール３１の端部と同様な半球状に形成され、第一の嵌合部３７の先端部には、丸軸状の嵌合突部３９がアウトサート成型されている。 The hemispherical portion 36 and the first fitting portion 37 are formed at both ends of the connecting cord 35 with the same synthetic resin as the ball 31.
The base end portion of the first fitting portion 37 is formed in a hemispherical shape similar to the end portion of the ball 31, and a round shaft-like fitting protrusion is formed at the distal end portion of the first fitting portion 37. 39 is outsert molded.

前記嵌合突部３９の先端部の外周面上には、図４及び図５に示すように、丸軸の中心に対し線対称状に膨径部４０が形成され、その膨径部４０の中間には断面半円状の凹条（位置決め手段）４１がそれぞれ形成されている。   As shown in FIGS. 4 and 5, an enlarged diameter portion 40 is formed in line symmetry with respect to the center of the round shaft on the outer peripheral surface of the distal end portion of the fitting protrusion 39. In the middle, recesses (positioning means) 41 having a semicircular cross section are formed.

前記嵌合突部３９の基端部には、図４及び図６に示すように、丸軸の径方向に突出する回動規制部４２が中心に対し線対称状に形成されている。また、各回動規制部４２は、前記嵌合突部３９の中心に対し前記凹条４１から周方向に４５度隔てた位置に形成される。   As shown in FIGS. 4 and 6, a rotation restricting portion 42 that protrudes in the radial direction of the round shaft is formed on the base end portion of the fitting protrusion 39 so as to be symmetrical with respect to the center. Each rotation restricting portion 42 is formed at a position 45 degrees away from the recess 41 in the circumferential direction with respect to the center of the fitting protrusion 39.

前記第二の連結部材３４は、前記第一の嵌合部３７及びボール３１，３８と同一の合成樹脂で円筒状に成形され、図７及び図８に示すように、両側の開口部４３ａ，４３ｂは前記嵌合突部３９の膨径部４０を含む先端部を挿入可能とした俵形に形成されている。また、両開口部４３ａ，４３ｂは、その俵形の方向が円筒の中心に対し互いに９０度回転した形状となっている。   The second connecting member 34 is formed into a cylindrical shape with the same synthetic resin as the first fitting portion 37 and the balls 31 and 38, and as shown in FIGS. 43b is formed in a bowl shape in which the tip end portion including the enlarged diameter portion 40 of the fitting projection 39 can be inserted. Moreover, both the opening parts 43a and 43b have a shape in which the direction of the bowl shape is rotated 90 degrees with respect to the center of the cylinder.

前記第二の連結部材３４の内部には、前記嵌合突部３９の先端部を回動可能とする径を備えた円形孔４４が形成されている。そして、開口部４３ａの俵形の短軸方向の開口縁には、前記膨径部４０の円形孔４４からの抜けを妨げる係止部４５ａ，４５ｂがそれぞれ形成され、開口部４３ｂの俵形の短軸方向の開口縁には、前記膨径部４０の円形孔４４からの抜けを妨げる係止部４５ｃ，４５ｄがそれぞれ形成されている。   A circular hole 44 having a diameter that allows the distal end portion of the fitting projection 39 to turn is formed inside the second connecting member 34. And the latching | locking part 45a, 45b which prevents the removal from the circular hole 44 of the said enlarged diameter part 40 is formed in the opening edge of the short axis direction of the saddle shape of the opening part 43a, respectively, and the saddle shape of the opening part 43b is formed. Locking portions 45c and 45d are formed on the opening edge in the minor axis direction to prevent the bulging portion 40 from coming off from the circular hole 44, respectively.

また、前記係止部４５ａ，４５ｃの内側において、前記円形孔４４の内周面には前記凹条４１に係合する突条（位置決め手段）４６がそれぞれ形成されている。
前記第一の連結部材３３と第二の連結部材３４とを連結するには、第一の嵌合部３７の嵌合突部３９を第二の連結部材３４の一方の開口部４３ａに挿入し、第一の嵌合部３７を第二の連結部材３４に対し時計方向に９０度回動する。すると、嵌合突部３９の凹条４１が円形孔４４内の突条４６に係合し、回動規制部４２が開口部４３ａの俵形の角部から隣の角部まで移動して、図１２に示すように位置決めされる。 Further, on the inner peripheral surface of the circular hole 44, protrusions (positioning means) 46 that engage with the concave stripes 41 are formed on the inner sides of the locking portions 45 a and 45 c, respectively.
In order to connect the first connecting member 33 and the second connecting member 34, the fitting protrusion 39 of the first fitting portion 37 is inserted into one opening 43 a of the second connecting member 34. The first fitting portion 37 is rotated 90 degrees clockwise with respect to the second connecting member 34. Then, the recess 41 of the fitting protrusion 39 engages with the protrusion 46 in the circular hole 44, and the rotation restricting portion 42 moves from the bowl-shaped corner of the opening 43a to the adjacent corner, Positioned as shown in FIG.

また、第二の連結部材３４の他方の開口部４３ｂにも同様に第一の連結部材３３の嵌合突部３９を挿入して時計方向に９０度回動させて位置決めする。すると、図２及び図３に示すように、第二の連結部材３４を介して第一の連結部材３３が連結される。   Similarly, the fitting protrusion 39 of the first connecting member 33 is inserted into the other opening 43b of the second connecting member 34 and rotated 90 degrees clockwise for positioning. Then, as shown in FIGS. 2 and 3, the first connecting member 33 is connected via the second connecting member 34.

この状態では、各第一の連結部材の嵌合突部３９の膨径部４０が第二の連結部材３４の係止部４５ａ〜４５ｄに係合して、第二の連結部材３４の円形孔４４内に保持される。
この保持力は、通常のスクリーン昇降操作時に、前記ボールチェーン８の一方を下方へ引く場合に作用する通常の引張り力では、嵌合突部３９が第二の連結部材３４から外れることがないように設定されている。そして、ボールチェーン８に通常の引張り力を超える大きな引張り力が作用したときに限り、合成樹脂で形成された第二の連結部材３４の弾性により、嵌合突部３９の膨径部４０で第二の連結部材３４の開口部４３ａ，４３ｂが押し広げられて、嵌合突部３９が第二の連結部材３４から外れるようになっている。 In this state, the expanded diameter portion 40 of the fitting protrusion 39 of each first connecting member is engaged with the locking portions 45 a to 45 d of the second connecting member 34, and the circular hole of the second connecting member 34 is engaged. 44.
This holding force prevents the fitting protrusion 39 from being detached from the second connecting member 34 by a normal pulling force that is applied when one of the ball chains 8 is pulled downward during a normal screen lifting operation. Is set to Only when a large pulling force exceeding the normal pulling force is applied to the ball chain 8, the second connecting member 34 formed of a synthetic resin is elastic at the enlarged diameter portion 40 of the fitting protrusion 39 by the elasticity of the second connecting member 34. The opening portions 43 a and 43 b of the second connecting member 34 are pushed and expanded so that the fitting protrusion 39 is detached from the second connecting member 34.

前記第一の連結部材３３の半球部３６は、前記コード３０の両端にアウトサート成型された半球部３１ａに溶着固定されて、前記ボール３１と同一形状のボールが形成される。そして、前記第一の連結部材３３を第二の連結部材３４で連結すると、無端状のボールチェーン８が形成される。   The hemispherical portion 36 of the first connecting member 33 is welded and fixed to a hemispherical portion 31 a that is outsert-molded at both ends of the cord 30 to form a ball having the same shape as the ball 31. When the first connecting member 33 is connected by the second connecting member 34, an endless ball chain 8 is formed.

このように構成されたボールチェーン８では、前記ボールチェーン８のコード３０及び前記連結部３２の連結コード３５の全長に亘って同一形状のボールが同一間隔で形成される。従って、ボールチェーン８はプーリーに対し制限なく周回可能である。   In the ball chain 8 configured in this way, balls having the same shape are formed at the same interval over the entire length of the cord 30 of the ball chain 8 and the connecting cord 35 of the connecting portion 32. Therefore, the ball chain 8 can circulate without limitation with respect to the pulley.

図３に示すように、前記第一の嵌合部３７には嵌合目印４７がそれぞれ形成されている。この嵌合目印４７は、前記第二の連結部材３４との接合面の近傍において、第一の嵌合部３７の外周面に設けられた凹部である。   As shown in FIG. 3, fitting marks 47 are respectively formed on the first fitting portions 37. The fitting mark 47 is a recess provided on the outer peripheral surface of the first fitting portion 37 in the vicinity of the joint surface with the second connecting member 34.

そして、第二の連結部材３４の両側の開口部４３ａ，４３ｂに第一の連結部材３３の嵌合突部３９を挿入し、第二の連結部材３４に対し第一の連結部材３３の第一の嵌合部３７を互いに逆方向に９０度回転させて嵌合したとき、嵌合目印４７の位置が第二の連結部材３４の周方向に揃って互いに対向するようになっている。   Then, the fitting protrusions 39 of the first connecting member 33 are inserted into the openings 43 a and 43 b on both sides of the second connecting member 34, and the first connecting member 33 is first with respect to the second connecting member 34. When the fitting portions 37 are turned 90 degrees in opposite directions and fitted, the positions of the fitting marks 47 are aligned in the circumferential direction of the second connecting member 34 so as to face each other.

上記のように構成されたプリーツスクリーンでは、次に示す作用効果を得ることができる。
（１）ボールチェーン８に居住者等が引っ掛かった場合には、連結部３２で第一の連結部材３３と第二の連結部材３４が外れる。従って、ボールチェーン８にフェイルセーフ機能を備えることができる。
（２）第一の連結部材３３と第二の連結部材３４が外れた後には、第二の連結部材３４に第一の連結部材３３を再度嵌合すると、無端状のボールチェーン８を容易に再構成することができる。
（３）第二の連結部材３４の両側に第一の連結部材３３を嵌合するとき、第一の連結部材３３の嵌合目印４７が第二の連結部材３４の周方向に揃って対向する位置まで第一の連結部材３３を回動させれば、第一の連結部材３３を第二の連結部材３４に確実に嵌合して、第二の連結部材３４で第一の連結部材３３を連結することができる。また、嵌合目印４７の位置を確認することにより、第一の連結部材３３と第二の連結部材３４が確実に嵌合されたか否かを確認することができる。
（第二の実施形態）
図１３は、第二の実施形態を示す。この実施形態は、ボールチェーンの連結部を第一の実施形態とは異なる構成とし、その連結部に嵌合目印を備えたものである。 In the pleated screen configured as described above, the following operational effects can be obtained.
(1) When a resident or the like is caught on the ball chain 8, the first connecting member 33 and the second connecting member 34 are disconnected at the connecting portion 32. Therefore, the ball chain 8 can be provided with a fail-safe function.
(2) After the first connecting member 33 and the second connecting member 34 are disengaged, the end connecting ball chain 8 can be easily formed by re-fitting the first connecting member 33 to the second connecting member 34. Can be reconfigured.
(3) When the first connecting member 33 is fitted on both sides of the second connecting member 34, the fitting marks 47 of the first connecting member 33 are aligned in the circumferential direction of the second connecting member 34 and face each other. If the first connecting member 33 is rotated to the position, the first connecting member 33 is securely fitted to the second connecting member 34, and the first connecting member 33 is moved by the second connecting member 34. Can be linked. Further, by confirming the position of the fitting mark 47, it can be confirmed whether or not the first connecting member 33 and the second connecting member 34 are securely fitted.
(Second embodiment)
FIG. 13 shows a second embodiment. In this embodiment, the connecting portion of the ball chain is configured differently from the first embodiment, and the connecting portion is provided with a fitting mark.

ボールチェーンの連結部５１は、第一の連結部材５２と第二の連結部材５３とで構成されている。前記第一の連結部材５２は、連結コード５４の一端に前記ボール３８の半分の形状の半球部５５がアウトサート成型され、他端には第一の嵌合部５６が形成されている。半球部５５と第一の嵌合部５６の間隔は、前記ボール３１の間隔と同一である。   The ball chain connecting portion 51 includes a first connecting member 52 and a second connecting member 53. In the first connecting member 52, a hemispherical portion 55 having a half shape of the ball 38 is outsert-molded at one end of a connecting cord 54, and a first fitting portion 56 is formed at the other end. The interval between the hemispherical portion 55 and the first fitting portion 56 is the same as the interval between the balls 31.

前記第一の嵌合部５６の基端部は、前記ボール３１の端部と同様な半球状に形成され、第一の嵌合部５６の先端部には、丸軸の両側部を平行に切除した断面俵形の嵌合突部５７が形成されている。   The base end portion of the first fitting portion 56 is formed in a hemispherical shape similar to the end portion of the ball 31, and both end portions of the round shaft are parallel to the tip portion of the first fitting portion 56. A cut-out fitting protrusion 57 having a cut-out cross section is formed.

前記嵌合突部５７の先端部には、俵形の長軸方向に膨径された膨径部５８が形成され、その膨径部５８の長軸方向の両側部の外周面に凹条５９が第一の嵌合部５６の軸方向に設けられている。また、前記膨径部５８の先端角部には面取り６０が形成されている。   A swell-shaped enlarged portion 58 swelled in the major axis direction of the bowl shape is formed at the distal end portion of the fitting projection 57, and a groove 59 is formed on the outer peripheral surface of both sides in the major axis direction of the swelled portion 58. Is provided in the axial direction of the first fitting portion 56. In addition, a chamfer 60 is formed at the tip corner of the expanded diameter portion 58.

前記第二の連結部材５３は、連結コード６１の一端に前記ボール３１の半分の形状の半球部６２が形成され、他端には第二の嵌合部６３が形成されている。半球部６２と第二の嵌合部６３は前記ボール３１と同一の合成樹脂で成形され、半球部６２と第二の嵌合部６３の間隔は、前記ボール３１の間隔と同一である。   In the second connecting member 53, a hemispherical portion 62 having a half shape of the ball 31 is formed at one end of the connecting cord 61, and a second fitting portion 63 is formed at the other end. The hemispherical portion 62 and the second fitting portion 63 are formed of the same synthetic resin as the ball 31, and the interval between the hemispherical portion 62 and the second fitting portion 63 is the same as the interval between the balls 31.

前記第二の嵌合部６３の基端部は、前記ボール３１の端部と同様な半球状に形成され、第二の嵌合部６３の先端面の中央部には、嵌合孔６４が形成されている。前記嵌合孔６４は、前記嵌合突部５７の膨径部５８を挿入可能とする俵形に開口されている。   The base end portion of the second fitting portion 63 is formed in a hemispherical shape similar to the end portion of the ball 31, and a fitting hole 64 is formed at the center of the distal end surface of the second fitting portion 63. Is formed. The fitting hole 64 is opened in a bowl shape that allows the expanded diameter portion 58 of the fitting projection 57 to be inserted.

前記嵌合孔６４の奥部は、同嵌合孔６４内で前記嵌合突部５７を回動可能とする径で円形に形成されている。従って、嵌合孔６４の開口部には前記膨径部５８に係合する係止部６５が線対称状に形成されている。この係止部６５の開口縁は、前記嵌合突部５７の基端部を回動可能とするように、円弧状に抉られている。   The inner part of the fitting hole 64 is formed in a circular shape with a diameter that allows the fitting protrusion 57 to rotate within the fitting hole 64. Therefore, a locking portion 65 that engages with the expanded diameter portion 58 is formed in a line-symmetric shape at the opening portion of the fitting hole 64. The opening edge of the locking portion 65 is bent in an arc shape so that the base end portion of the fitting projection 57 can be rotated.

前記嵌合孔６４の奥部内周面の一側には、前記嵌合突部５７を嵌合孔６４内に挿入して９０度回動させたとき、前記凹条５９に係合可能とした突条（図示しない）が形成されている。   On one side of the inner peripheral surface of the inner portion of the fitting hole 64, when the fitting protrusion 57 is inserted into the fitting hole 64 and rotated 90 degrees, the fitting 59 can be engaged. A protrusion (not shown) is formed.

前記第一の嵌合部５６と第二の嵌合部６３には嵌合目印６６，６７がそれぞれ形成されている。この嵌合目印６６，６７は、第一の嵌合部５６と第二の嵌合部６３の接合面の近傍において、第一の嵌合部５６と第二の嵌合部６３の外周面にそれぞれ設けられた凹部である。   Fitting marks 66 and 67 are formed on the first fitting portion 56 and the second fitting portion 63, respectively. The fitting marks 66 and 67 are formed on the outer peripheral surfaces of the first fitting portion 56 and the second fitting portion 63 in the vicinity of the joint surface between the first fitting portion 56 and the second fitting portion 63. It is the recessed part provided, respectively.

そして、第二の嵌合部６３の嵌合孔６４に第一の嵌合部５６の嵌合突部５７を挿入し、第二の嵌合部６３に対し第一の嵌合部５６を９０度回転させて嵌合したとき、嵌合目印６６，６７の位置が第一及び第二の嵌合部５６，６３の周方向に揃って互いに対向するようになっている。   Then, the fitting protrusion 57 of the first fitting portion 56 is inserted into the fitting hole 64 of the second fitting portion 63, and the first fitting portion 56 is moved 90 to the second fitting portion 63. When the fitting marks 66 and 67 are engaged with each other when they are rotated, the positions of the fitting marks 66 and 67 are aligned in the circumferential direction of the first and second fitting portions 56 and 63 and face each other.

上記のような第一の嵌合部５６と第二の嵌合部６３を連結するには、嵌合突部５７の膨径部５８を嵌合孔６４に挿入し、この状態で第一の嵌合部５６をいずれかの方向へ９０度回動させる。すると、膨径部５８の凹条５９が嵌合孔６４内の突条に係合して位置決めされ、膨径部５８が係止部６５に係合して嵌合孔６４内に保持される。   In order to connect the first fitting portion 56 and the second fitting portion 63 as described above, the expanded diameter portion 58 of the fitting protrusion 57 is inserted into the fitting hole 64, and in this state, the first fitting portion 56 and the second fitting portion 63 are connected. The fitting portion 56 is rotated 90 degrees in either direction. Then, the recess 59 of the expanded diameter part 58 engages with the protrusion in the fitting hole 64 and is positioned, and the expanded diameter part 58 engages with the locking part 65 and is held in the engagement hole 64. .

この保持力は、通常のスラット昇降操作及びスラット角度調節操作時にボールチェーン８に作用する通常の引張り力では嵌合突部５７と嵌合孔６４の嵌合が外れることがないように設定されている。また、ボールチェーン８に通常の引張り力を超える大きな引張り力が作用したときに限り、合成樹脂の弾性により嵌合孔６４の開口部が広げられて膨径部５８が嵌合孔６４から引き抜かれ、嵌合突部５７と嵌合孔６４の嵌合が外れるようになっている。   This holding force is set so that the fitting protrusion 57 and the fitting hole 64 are not disengaged by a normal pulling force acting on the ball chain 8 during a normal slat raising / lowering operation and a slat angle adjusting operation. Yes. Further, only when a large tensile force exceeding the normal tensile force is applied to the ball chain 8, the opening of the fitting hole 64 is expanded by the elasticity of the synthetic resin, and the expanded diameter portion 58 is pulled out from the fitting hole 64. The fitting projection 57 and the fitting hole 64 are disengaged from each other.

前記第一及び第二の連結部材５２，５３の半球部５５，６２は、前記コード３０の両端にアウトサート成型された半球部３１ａに溶着固定されて、前記ボール３１と同一形状のボールが形成される。そして、前記嵌合突部５７を嵌合孔６４に嵌合すると、無端状のボールチェーン８が形成される。   The hemispherical portions 55 and 62 of the first and second connecting members 52 and 53 are welded and fixed to the hemispherical portion 31 a that is outsert-molded at both ends of the cord 30 to form a ball having the same shape as the ball 31. Is done. When the fitting protrusion 57 is fitted into the fitting hole 64, the endless ball chain 8 is formed.

上記のように構成されたボールチェーンでは、次に示す作用効果を得ることができる。
（１）連結部５１の第一の嵌合部５６と第二の嵌合部６３との嵌合が外れた後は、嵌合突部５７を嵌合孔６４に再度嵌合すれば、無端状のボールチェーン８として容易に再生することができる。
（２）嵌合突部５７の膨径部５８を嵌合孔６４に挿入して９０度回動させることにより、嵌合突部５７を嵌合孔６４に嵌合する構成としたので、嵌合突部５７を嵌合孔６４に嵌合するための操作力を軽微としながら、嵌合突部５７を嵌合孔６４に保持する保持力を十分に確保することができる。
（３）嵌合突部５７を嵌合孔６４に嵌合するための操作力が軽微であるので、工具を使用することなく、嵌合突部５７を嵌合孔６４に再嵌合することができる。従って、連結部５１が外れても、居住者が容易に復帰させることができる。
（４）第二の嵌合部６３に対し第一の嵌合部５６を９０度回転させて嵌合したとき、嵌合目印６６，６７の位置が第一及び第二の嵌合部５６，６３の周方向に揃って互いに対向するので、第一の嵌合部５６と第二の嵌合部６３が確実に嵌合されたか否かを確認することができる。 With the ball chain configured as described above, the following operational effects can be obtained.
(1) After the fitting between the first fitting portion 56 and the second fitting portion 63 of the connecting portion 51 is disengaged, the fitting projection 57 is re-fitted into the fitting hole 64, thereby endless. Can be easily regenerated as a ball-shaped ball chain 8.
(2) Since the fitting protrusion 57 is fitted into the fitting hole 64 by inserting the enlarged diameter portion 58 of the fitting protrusion 57 into the fitting hole 64 and rotating it 90 degrees, The holding force for holding the fitting protrusion 57 in the fitting hole 64 can be sufficiently ensured while the operating force for fitting the fitting protrusion 57 into the fitting hole 64 is light.
(3) Since the operation force for fitting the fitting protrusion 57 into the fitting hole 64 is slight, the fitting protrusion 57 is re-fitted into the fitting hole 64 without using a tool. Can do. Therefore, even if the connecting portion 51 is disconnected, the resident can easily return.
(4) When the first fitting portion 56 is rotated 90 degrees and fitted to the second fitting portion 63, the positions of the fitting marks 66 and 67 are the first and second fitting portions 56, Since they are aligned in the circumferential direction 63 and face each other, it can be confirmed whether or not the first fitting portion 56 and the second fitting portion 63 are securely fitted.

上記実施形態は、以下の態様で実施してもよい。
・上記実施形態の嵌合目印は、突部としてもよい。
・前記連結部３２，５１を、日射遮蔽装置の無端状の操作コードの連結部に使用してもよい。
・前記連結部３２，５１を、横型ブラインドのヘッドボックスから垂下されてボトムレールに接続される昇降コード又は操作コードの中間部に設けて、フェイルセーフ機能を持たせるようにしてもよい。
・半球部３６を半球部３１ａに接着剤で接着してもよい。 You may implement the said embodiment in the following aspects.
-The fitting mark of the said embodiment is good also as a protrusion.
-You may use the said connection parts 32 and 51 for the connection part of the endless operation cord of a solar radiation shielding apparatus.
The connecting portions 32 and 51 may be provided in an intermediate portion of the lifting / lowering cord or the operation cord that is suspended from the horizontal blind head box and connected to the bottom rail so as to have a fail-safe function.
-You may adhere | attach the hemispherical part 36 on the hemispherical part 31a with an adhesive agent.

８…コード（ボールチェーン）、３３，５２…第一の連結部材、３４，５３…第二の連結部材、３９…嵌合突部、４３ａ，４３ｂ…嵌合孔（開口部）、４７，６６，６７…表示手段（嵌合目印）。   8 ... cord (ball chain), 33, 52 ... first connecting member, 34, 53 ... second connecting member, 39 ... fitting protrusion, 43a, 43b ... fitting hole (opening), 47, 66 , 67 ... Display means (fitting mark).

Claims (6)

両端部を連結部で連結したコードにおいて、
前記連結部は、軸状の嵌合突部を備えた第一の連結部材と、前記嵌合突部を嵌合可能とした嵌合孔を備えた第二の連結部材とで構成し、前記嵌合突部は前記嵌合孔に挿入して回動させることにより該嵌合孔に嵌合可能とし、前記第一の連結部材には前記嵌合突部が嵌合孔に嵌合されたことを表示する表示手段を設け、
前記第一及び第二の連結部材を合成樹脂で成形し、前記第二の連結部材を、一対の前記第一の連結部材の嵌合突部を両側から嵌合可能とした筒状に形成し、前記第一及び第二の連結部材には、前記嵌合突部を嵌合位置で位置決めする位置決め手段を設け、前記表示手段として、前記第一の連結部材にそれぞれ設けられ、前記位置決め手段による位置決め動作時に互いに対向するように位置する嵌合目印を備えたことを特徴とするコード。 In the cord where both ends are connected by the connecting part,
The connecting portion includes a first connecting member provided with a shaft-like fitting protrusion, and a second connecting member provided with a fitting hole capable of fitting the fitting protrusion, The fitting projection can be fitted into the fitting hole by being inserted into the fitting hole and rotated, and the fitting projection is fitted into the fitting hole in the first connecting member. display means for displaying the provided
The first and second connecting members are formed of a synthetic resin, and the second connecting member is formed in a cylindrical shape that allows fitting protrusions of the pair of first connecting members to be fitted from both sides. The first and second connecting members are provided with positioning means for positioning the fitting protrusion at the fitting position, and the display means is provided on the first connecting member, respectively, A cord comprising fitting marks positioned so as to face each other during positioning operation . 前記嵌合目印を前記第一の連結部材の外周面において、前記第二の連結部材との接合面近傍に設けた凹部としたことを特徴とする請求項１記載のコード。 The fitting the outer circumferential surface of the first coupling member indicia, the second claim 1, wherein the code is characterized in that a recess provided in the joint surface near the connecting member. 前記第一の連結部材を前記第二の連結部材に対し、時計方向に回動させて前記嵌合位置で位置決めすることを特徴とする請求項１又は２記載のコード。 The cord according to claim 1 or 2, wherein the first connecting member is rotated clockwise with respect to the second connecting member and positioned at the fitting position. 両端部を連結部で連結したコードにおいて、
前記連結部は、軸状の嵌合突部を備えた第一の連結部材と、前記嵌合突部を嵌合可能とした嵌合孔を備えた第二の連結部材とで構成し、前記嵌合突部は前記嵌合孔に挿入して回動させることにより該嵌合孔に嵌合可能とし、前記第一の連結部材には前記嵌合突部が嵌合孔に嵌合されたことを表示する表示手段を設け、
前記第一及び第二の連結部材を合成樹脂で成形し、前記第一及び第二の連結部材には、前記嵌合突部を嵌合位置で位置決めする位置決め手段を設け、前記表示手段として、前記第一及び第二の連結部材にそれぞれ設けられ、前記位置決め手段による位置決め動作時に互いに対向するように位置する嵌合目印を備えたことを特徴とするコード。 In the cord where both ends are connected by the connecting part,
The connecting portion includes a first connecting member provided with a shaft-like fitting protrusion, and a second connecting member provided with a fitting hole capable of fitting the fitting protrusion, The fitting projection can be fitted into the fitting hole by being inserted into the fitting hole and rotated, and the fitting projection is fitted into the fitting hole in the first connecting member. Providing a display means for displaying
The first and second connecting members are molded from a synthetic resin, and the first and second connecting members are provided with positioning means for positioning the fitting protrusion at a fitting position, It said first and respectively provided on the second coupling member, characterized and to Turkey o de further comprising a mating mark which is located so as to face each other at the time of positioning operation by the positioning means. 前記嵌合目印を、前記第一及び第二の連結部材の外周面において、該第一及び第二の連結部材の接合面の近傍に設けた凹部としたことを特徴とする請求項４記載のコード。 It said fitting mark, the outer circumferential surface of the first and second connecting members, according to claim 4, characterized in that a recess provided in the vicinity of the joint surface of said first and second connecting members code. 前記嵌合目印を、前記第一及び第二の連結部材の外周面にそれぞれ一箇所設けたことを特徴とする請求項４又は５記載のコード。6. The cord according to claim 4, wherein the fitting mark is provided at one place on each of the outer peripheral surfaces of the first and second connecting members.
JP2010105881A 2010-04-30 2010-04-30 code Active JP5618611B2 (en)

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JP2010105881A JP5618611B2 (en) 2010-04-30 2010-04-30 code
BR112012027679-4A BR112012027679B1 (en) 2010-04-30 2011-04-27 lanyard and operating device for a sunlight obstruction device
EP11775036.4A EP2565363B1 (en) 2010-04-30 2011-04-27 Operation cord, and operation device for sunlight shielding device
CA2834017A CA2834017C (en) 2010-04-30 2011-04-27 Operation cord, and operation apparatus for sunlight shielding apparatus
PCT/JP2011/060227 WO2011136255A1 (en) 2010-04-30 2011-04-27 Operation code, and operation device for sunlight shielding device
US13/643,809 US8898871B2 (en) 2010-04-30 2011-04-27 Operation cord, and operation apparatus for sunlight shielding apparatus
CN201180021021.6A CN102859107B (en) 2010-04-30 2011-04-27 Operation code, and operation device for sunlight shielding device
AU2011246146A AU2011246146A1 (en) 2010-04-30 2011-04-27 Operation code, and operation device for sunlight shielding device
TW100115049A TWI502129B (en) 2010-04-30 2011-04-29 Operation of the rope, sunshine shelter device operation device

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