JP2007332760A - Self-closing device for sliding door - Google Patents

Self-closing device for sliding door Download PDF

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JP2007332760A
JP2007332760A JP2006287047A JP2006287047A JP2007332760A JP 2007332760 A JP2007332760 A JP 2007332760A JP 2006287047 A JP2006287047 A JP 2006287047A JP 2006287047 A JP2006287047 A JP 2006287047A JP 2007332760 A JP2007332760 A JP 2007332760A
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case
spiral spring
sliding door
self
cover
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JP4895756B2 (en
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Takashi Kuroki
崇 黒木
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Daiken Co Ltd
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Daiken Co Ltd
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/16—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for sliding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/21—Brakes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/252—Type of friction
    • E05Y2201/254—Fluid or viscous friction
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/262—Type of motion, e.g. braking
    • E05Y2201/266—Type of motion, e.g. braking rotary

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  • Wing Frames And Configurations (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a self-closing device for a sliding door capable of being simplified without using a rack for making the sliding door travel by an engaging with a gear fitted to a spiral-spring case. <P>SOLUTION: The self-closing device 10 fitted at the upper end of the sliding door 1 has a housing case 11, a spiral spring 12 being disposed under an upright state in the housing case 11 and conducting the closing operation of the sliding door 1 by a repulsive force by a rewinding and the rotatable spiral-spring case 14 housing the spiral spring 12 and engaging the end section of the spiral spring 12. The self-closing device 10 further has a gear plate 16 fitted to the spiral-spring case 14 and a braking device 9 being disposed in the housing case 11 and braking the closing operation of the sliding door 1 when the sliding door 1 is moved in the closing direction. The self-closing device 10 further has the gear 17 for a brake formed on the outer periphery of the braking device 9 and engaged with the gear 15 on the outer periphery of the gear plate 16 and a cable-shaped body 19 being wound on the annular recessed section of the spiral-spring case 14, fixing its one end to the spiral-spring case 14 and supporting its other end to the underside of an upper frame 2. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、引戸の閉動作を自動的に行なわせるように構成した引戸の自閉装置に関するものである。   The present invention relates to a sliding door self-closing device configured to automatically perform a closing operation of a sliding door.

従来のこの種引戸の自閉装置としては、例えば特許文献１などで知られているものがある。この特許文献１に記載されている引戸の自閉装置は、引戸の上方部後端近くに取り付けられる本体と、この本体に設けられ、引戸の開放方向への移動に伴って閉止方向への反発力を蓄積する渦巻ばねと、この渦巻ばねに連繋された回転自在の主歯車と、渦巻ばねに隣接して設けられ、主歯車に噛合された従歯車の回転で渦巻ばねの反発力を制御するオイルダンパーと、主歯車に噛合させ、後端もしくは前後両端を開口部の上枠に取り付けて引戸の走行方向に架け渡したラックとから構成されている。
特開平１１−１５２９５５号公報 As a conventional self-closing device of this kind of sliding door, for example, there is one known from Patent Document 1 or the like. The self-closing device for the sliding door described in Patent Document 1 is provided with a main body attached near the rear end of the upper portion of the sliding door, and provided in the main body, and repulsion in the closing direction as the sliding door moves in the opening direction. A spiral spring that accumulates force, a rotatable main gear linked to the spiral spring, and a secondary gear that is provided adjacent to the spiral spring and meshed with the main gear controls the repulsive force of the spiral spring. It comprises an oil damper, and a rack that meshes with the main gear and has a rear end or both front and rear ends attached to the upper frame of the opening and spanned in the running direction of the sliding door.
Japanese Patent Laid-Open No. 11-152955

上記特許文献１に記載されている引戸の自閉装置の構成では、引戸の走行範囲以上の長さのラックが必要であり、その分コストアップにつながるばかりか、そのようなラックが開口部の上枠に取り付けられているので目障りになるという問題があった。   The configuration of the self-closing device for sliding doors described in Patent Document 1 requires a rack longer than the sliding door traveling range, which not only leads to an increase in cost, but also such a rack has an opening portion. Since it was attached to the upper frame, there was a problem that it was obstructive.

本発明の目的は、このような課題を解決するものであり、渦巻ばねに連繋される歯車と噛み合わせて引戸を走行させるためのラックを使用せず、コストダウンを図るとともに、長さの長いラックが開口部の上枠に存在しないので目障りとならず、簡素化できるようにした引戸の自閉装置を提供することにある。   An object of the present invention is to solve such a problem, and does not use a rack for meshing with a gear connected to a spiral spring to run a sliding door, reducing costs, and having a long length. It is an object of the present invention to provide a self-closing device for a sliding door which is not obtrusive and can be simplified because no rack is present on the upper frame of the opening.

本発明の請求項１に記載の引戸の自閉装置は、引戸の上端に取り付けられる自閉装置は収容ケースと、収容ケース内に立設状態で配設され巻き戻しによる反発力により引戸の閉動作を行なわせる渦巻ばねと、この渦巻ばねの中心側端部が係止され収容ケースより外部にのぞむように露出して渦巻ばねのばね力調整可能な軸体と、渦巻ばねを収納し渦巻ばねの外周側端部が係止されている回転可能な渦巻ばねケースと、渦巻ばねケースの開口部を覆うように渦巻ばねケースに取り付けられ外周に歯車が形成された歯車板と、収容ケース内に配設され所定の回転方向に対してのみ制動機能を発揮して引戸が閉方向に移動される際にこの閉動作を制動させる制動装置と、この制動装置の外周に形成されて前記歯車と噛合する制動用の歯車と、前記歯車板により開口部が閉じられた渦巻ばねケースの外周に形成される環状の凹部に巻回されて一端が渦巻ばねケースに固定された索状体と、渦巻ばねケースから繰り出された索状体の他端側を収容ケースの上部から突出させ戸先側に導くために収容ケースの上部に設けた案内ローラと、収容ケース内において前記渦巻ばねケースからの繰り出し部と案内ローラとの間で索状体が垂れるのを防止するために渦巻ばねケースの繰り出し部と案内ローラとの間の位置で索状体よりも戸尻寄りの位置で収容ケース内に設けられた弛み防止部材とを備え、前記収容ケースの上部から突出する索状体の他端側は前記案内ローラを介して戸先側に向きを変えて上枠の下面に支持されることを特徴とする。   The self-closing device for a sliding door according to claim 1 of the present invention is such that the self-closing device attached to the upper end of the sliding door is disposed in a standing state in the housing case and is closed by a repulsive force caused by rewinding. A spiral spring that operates, a shaft body that is locked so that the center end of the spiral spring is locked and exposed to the outside from the housing case, and the spring force of the spiral spring can be adjusted, and a spiral spring that houses the spiral spring A rotatable spiral spring case with which the outer peripheral side end is locked, a gear plate attached to the spiral spring case so as to cover the opening of the spiral spring case, and a gear formed on the outer periphery, and a housing case A braking device that is disposed and exhibits a braking function only in a predetermined rotation direction and brakes the closing operation when the sliding door is moved in the closing direction, and is formed on the outer periphery of the braking device and meshes with the gear. Braking gear and the teeth A cord-like body wound around an annular recess formed on the outer periphery of a spiral spring case whose opening is closed by a plate and fixed at one end to the spiral spring case; and a cord-like body fed out from the spiral spring case A guide roller provided at the top of the housing case for projecting the other end side from the top of the housing case and guiding it to the door end side, and a cord-like shape between the feeding portion from the spiral spring case and the guide roller in the housing case A slack preventing member provided in the housing case at a position closer to the door butt than the cord-like body at a position between the feeding portion of the spiral spring case and the guide roller in order to prevent the body from drooping, The other end side of the cord-like body protruding from the upper part of the housing case is supported on the lower surface of the upper frame by changing the direction to the door end side through the guide roller.

請求項２に記載の引戸の自閉装置は、自閉装置が引戸の上端前面に取り付けられた状態において収容ケースを前方より覆う化粧カバーを設け、この化粧カバーは収容ケースの前面を覆う前面覆い部と、収容ケースの下面を覆う下面覆い部と、収容ケースの左右の側面を覆う側面覆い部とを備え、側面覆い部の上端内面には収容ケースの上端角部の上面に係止する爪部が形成され、さらに前面覆い部の上端には前記案内ローラから収容ケースの外部に引き出された直後の索状体を前方より見えないようにするための覆い部が延設されていることを特徴とする。   The self-closing device for a sliding door according to claim 2 is provided with a decorative cover that covers the housing case from the front in a state in which the self-closing device is attached to the front surface of the upper end of the sliding door, and this decorative cover covers the front surface of the housing case. A claw that engages the upper surface of the upper end corner of the storage case on the upper surface of the upper surface of the storage case, and a lower surface cover that covers the lower surface of the storage case, and a side cover that covers the left and right side surfaces of the storage case And a cover portion is provided at the upper end of the front cover portion so as to prevent the cord-like body immediately after being pulled out of the housing case from the guide roller from being seen from the front. Features.

以上のように、本発明の引戸の自閉装置は、引戸を走行させるためのラックを使用せず、渦巻ばねケースの外周の環状の凹部に巻回され収容ケースの上部から突出する索状体の他端部を上枠の下面に支持するという極めて簡単な構成により渦巻ばねの巻き戻しによる反発力により引戸の閉動作を行なわせることができ、コストダウンを図るとともに、長さの長いラックが開口部の上枠に存在しないので目障りとならず、簡素化できる。また、収容ケース内において渦巻ばねケースからの繰り出し部と案内ローラとの間で索状体が垂れるのを防止するために渦巻ばねケースの繰り出し部と案内ローラとの間の位置で索状体よりも戸尻寄りの位置で収容ケース内に設けられた弛み防止部材とを備えているので、引戸を渦巻ばねによる閉動速度よりも速い速度となるように手で勢いよく閉じたときに渦巻ばねケースからの繰り出し部と案内ローラとの間の位置で索状体が大きく垂れて渦巻ばねケースの外周の環状の凹部から外れた位置で巻き付くというトラブルの発生を防止できる。さらに、自閉装置が引戸の上端前面に取り付けられた状態において収容ケースを化粧カバーで覆うことにより案内ローラから収容ケースの外部に引き出された直後の索状体を前方より見えないようにすることが可能となり、案内ローラからの索状体の引き出し部が隠れるので、引戸の上部がすっきりした状態となる。   As described above, the self-closing device of the sliding door of the present invention does not use a rack for running the sliding door, and is wound around the annular recess on the outer periphery of the spiral spring case and protrudes from the upper portion of the housing case. The sliding door can be closed by the repulsive force caused by the rewinding of the spiral spring with the extremely simple structure of supporting the other end of the upper frame to the lower surface of the upper frame. Since it does not exist in the upper frame of an opening part, it is not obstructive and can be simplified. Further, in order to prevent the cord-like body from drooping between the feeding portion from the spiral spring case and the guide roller in the housing case, the cord-like body is positioned at a position between the feeding portion of the spiral spring case and the guide roller. Is provided with a slack prevention member provided in the housing case at a position near the door bottom, so that the spiral spring when the sliding door is vigorously closed by hand so as to be faster than the closing movement speed by the spiral spring. It is possible to prevent a trouble that the cord-like body droops greatly at a position between the feeding portion from the case and the guide roller and winds at a position deviating from the annular recess on the outer periphery of the spiral spring case. Furthermore, in a state where the self-closing device is attached to the upper end front surface of the sliding door, by covering the storage case with a decorative cover, the cord-like body immediately after being pulled out of the storage case from the guide roller is made invisible from the front. Since the lead-out part of the cord-like body from the guide roller is hidden, the upper part of the sliding door is in a clean state.

以下、本発明の実施の形態を、図面に基づき具体的に説明する。
先ず、図１〜図９に示す第１の実施の形態について説明すると、１は引戸であって、屋内の出入り口などの所定位置に設けられている上枠２、戸先側竪枠３、戸尻側竪枠４および下枠５で形成された開口部に設けられている。 Embodiments of the present invention will be specifically described below with reference to the drawings.
First, the first embodiment shown in FIGS. 1 to 9 will be described. Reference numeral 1 denotes a sliding door, which is an upper frame 2 provided at a predetermined position such as an indoor doorway, a door-end side frame 3, a door. It is provided in the opening formed by the bottom side collar frame 4 and the lower frame 5.

前記引戸１の上端は上枠２の下面に形成された溝６内に摺動自在に嵌入し、また引戸１の下端は戸先寄りおよび戸尻寄りの位置に設けられた戸車７，７が下枠５に形成された溝８に嵌入して引戸１が自在に開閉できるようになっている。   The upper end of the sliding door 1 is slidably inserted into a groove 6 formed on the lower surface of the upper frame 2, and the lower end of the sliding door 1 has door wheels 7, 7 provided at positions near the door tip and the door bottom. The sliding door 1 can be freely opened and closed by being fitted into a groove 8 formed in the lower frame 5.

引戸１の戸尻寄りの上端前面には制動装置９付きの自閉装置１０が取り付けられている。この自閉装置１０は収容ケース１１と、収容ケース１１内における戸尻寄り箇所に立設状態で配設され、巻き戻しによる反発力により引戸１の閉動作を行なわせる渦巻ばね１２と、この渦巻ばね１２の中心側端部が係止され収容ケース１１より外部にのぞむように露出して渦巻ばね１２のばね力調整可能な軸体１３と、渦巻ばね１２を収納し渦巻ばね１２の外周側端部が係止されている回転可能な渦巻ばねケース１４と、渦巻ばねケース１４の開口部を覆うように渦巻ばねケース１４に取り付けられ外周に歯車１５が形成された歯車板１６と、収容ケース１１内における戸先寄り箇所に配設され、所定の回転方向に対してのみ制動機能を発揮して引戸１が閉方向に移動される際にこの閉動作を制動させるオイルダンパによる前記制動装置９と、この制動装置９の外周に形成されて前記歯車１５と噛合する制動用の歯車１７と、前記歯車板１６により開口部が閉じられた渦巻ばねケース１４の外周に形成される環状の凹部１８に巻回されて一端が渦巻ばねケース１４に固定されたワイヤーなどの索状体１９と、渦巻ばねケース１４から繰り出された索状体１９の他端側を収容ケース１１の上部から突出させ戸先側に導くために収容ケース１１の上部に設けた案内ローラ２０と、収容ケース１１内において前記渦巻ばねケース１４からの繰り出し部と案内ローラ２０との間で索状体１９が垂れるのを防止するために渦巻ばねケース１４の繰り出し部と案内ローラ２０との間の位置で索状体１９よりも戸尻寄りの位置で収容ケース１１内に設けられた軸状の弛み防止部材２１とを備えている。なお、前記収容ケース１１の上部から突出する索状体１９の他端側は、出入り口を形成する開口部を閉じた状態における引戸１の戸尻寄り側端部近傍位置の上側位置で上枠２の下面に取り付けた止め具２２に引っ掛けられている。   A self-closing device 10 with a braking device 9 is attached to the upper front surface of the sliding door 1 near the door bottom. The self-closing device 10 is disposed in a standing state near the door bottom in the housing case 11, a spiral spring 12 that closes the sliding door 1 by a repulsive force due to unwinding, and the spiral The center end of the spring 12 is locked and exposed so as to look outside from the housing case 11, and the shaft body 13 that can adjust the spring force of the spiral spring 12 and the spiral spring 12 are accommodated and the outer peripheral end of the spiral spring 12 is accommodated. A rotatable spiral spring case 14 that is locked to a portion, a gear plate 16 that is attached to the spiral spring case 14 so as to cover the opening of the spiral spring case 14, and a gear 15 is formed on the outer periphery; The braking device 9 by an oil damper that is disposed near the door tip in the interior and that exhibits a braking function only in a predetermined rotational direction and brakes the closing operation when the sliding door 1 is moved in the closing direction; A brake gear 17 that is formed on the outer periphery of the braking device 9 and meshes with the gear 15, and an annular recess 18 that is formed on the outer periphery of the spiral spring case 14 whose opening is closed by the gear plate 16. A wire-like body 19 such as a wire that is turned and fixed at one end to the spiral spring case 14, and the other end side of the cord-like body 19 fed out from the spiral spring case 14 protrudes from the upper part of the housing case 11, and the door side In order to prevent the cord-like body 19 from drooping between the guide roller 20 provided at the upper part of the housing case 11 and the feeding portion from the spiral spring case 14 and the guide roller 20 in the housing case 11. And a shaft-like slack preventing member 21 provided in the housing case 11 at a position closer to the door butt than the cord-like body 19 at a position between the feeding portion of the spiral spring case 14 and the guide roller 20. . The other end side of the cord-like body 19 protruding from the upper part of the housing case 11 is an upper frame 2 at an upper position in the vicinity of the end near the door bottom side of the sliding door 1 in a state where the opening forming the entrance is closed. It is hooked on the stopper 22 attached to the lower surface of the.

上記構成において、引戸１が手で開かれることにより渦巻ばね１２の位置が引戸１とともに移動し、索状体１９が渦巻ばねケース１４の凹部１８から引き出され、それにより渦巻ばね１２は閉止方向への反発力を蓄積する。そこで、開かれた引戸１から手を離すなどして止める力を解除することにより渦巻ばね１２に蓄積されていた反発力によって索状体１９を渦巻ばねケース１４の凹部１８に巻き取るように作用し、その結果引戸１を閉じる方向に摺動させることになる。そのとき、前記渦巻ばねケース１４側の歯車１５と引戸１が閉方向に移動される際にこの閉動作を制動させる制動装置９側の歯車１７が噛み合って連動しているので、引戸１が渦巻ばね１２の反発力によって急激に閉じるのを制動装置９によって防止することができ、引戸１をブレーキを掛けながら閉動させることができる。   In the above configuration, when the sliding door 1 is opened by hand, the position of the spiral spring 12 moves together with the sliding door 1, and the cord-like body 19 is pulled out from the concave portion 18 of the spiral spring case 14, whereby the spiral spring 12 is moved in the closing direction. Accumulate the repulsive force. Therefore, by releasing the stopping force by releasing the sliding door 1 or the like, the cord 19 is wound around the recess 18 of the spiral spring case 14 by the repulsive force accumulated in the spiral spring 12. As a result, the sliding door 1 is slid in the closing direction. At that time, when the gear 15 on the spiral spring case 14 side and the sliding door 1 are moved in the closing direction, the gear 17 on the braking device 9 side that brakes the closing operation is engaged and interlocked, so that the sliding door 1 is swirled. Abrupt closing due to the repulsive force of the spring 12 can be prevented by the braking device 9, and the sliding door 1 can be closed while the brake is applied.

また、渦巻ばねケース１４からの繰り出し部と案内ローラ２０との間の位置で索状体１９よりも戸尻寄りの位置で収容ケース１１内に弛み防止部材２１を備えているので、引戸１を渦巻ばね１２による閉動速度よりも速い速度となるように手で勢いよく閉じたときに渦巻ばねケース１４からの繰り出し部と案内ローラ２０との間の位置で索状体１９が大きく垂れて凹部１８から外れた位置で巻き付くのを抑制することが可能となる。   Further, since the housing case 11 is provided with the slack preventing member 21 at a position between the feeding portion from the spiral spring case 14 and the guide roller 20 at a position closer to the door bottom than the cable-like body 19, the sliding door 1 is provided. The cord-like body 19 droops greatly at a position between the feeding portion from the spiral spring case 14 and the guide roller 20 when it is closed by force so as to be faster than the closing speed by the spiral spring 12. It becomes possible to suppress winding at a position deviating from 18.

ところで、本実施の形態において前記収容ケース１１は化粧カバー２３によって前方より覆われている。化粧カバー２３は収容ケース１１の前面を覆う前面覆い部２３ａと、収容ケース１１の下面を覆う下面覆い部２３ｂと、収容ケース１１の左右の側面を覆う側面覆い部２３ｃ，２３ｃとを備え、側面覆い部２３ｃ，２３ｃの上端内面には収容ケース１１の上端角部の上面に係止する爪部２３ｄ，２３ｄが形成され、さらに前面覆い部２３ａの上端には前記案内ローラ２０から収容ケース１１の外部に引き出された直後の索状体１９を前方より見えないようにするための覆い部２３ｅが延設されている。この化粧カバー２３は収容ケース１１の前方より嵌め込み、前記爪部２３ｄ，２３ｄを収容ケース１１の上端角部の上面に係止させた状態とし、化粧カバー２３の下端の下面覆い部２３ｂに形成されたビス挿通孔２３ｆよりビス２４を挿通させて収容ケース１１の下面に形成されたビス孔（図示せず）に螺入させることにより収容ケース１１にセットされる。このように収容ケース１１に化粧カバー２３を取り付けることにより案内ローラ２０から収容ケース１１の外部に引き出された直後の索状体１９を前方より見えないようにすることが可能となり、案内ローラ２０からの索状体１９の引き出し部が隠れるので、引戸１の上部がすっきりした状態となる。   By the way, in the present embodiment, the housing case 11 is covered with a decorative cover 23 from the front. The decorative cover 23 includes a front surface covering portion 23a that covers the front surface of the housing case 11, a lower surface covering portion 23b that covers the lower surface of the housing case 11, and side surface covering portions 23c and 23c that cover the left and right side surfaces of the housing case 11. Claw portions 23d and 23d are formed on the upper inner surfaces of the cover portions 23c and 23c to be engaged with the upper surface of the upper end corner portion of the storage case 11, and the guide roller 20 to the upper end of the front cover portion 23a. A cover portion 23e is provided to prevent the cord 19 immediately after being pulled out from view from the front. The decorative cover 23 is fitted from the front of the housing case 11 so that the claw portions 23d and 23d are engaged with the upper surface of the upper end corner of the housing case 11, and is formed on the lower surface covering portion 23b at the lower end of the decorative cover 23. The screw 24 is inserted through the screw insertion hole 23 f and is screwed into a screw hole (not shown) formed on the lower surface of the storage case 11. By attaching the decorative cover 23 to the housing case 11 in this way, it becomes possible to hide the cord-like body 19 immediately after being pulled out of the housing case 11 from the guide roller 20 from the front. Since the drawer part of the cord-like body 19 is hidden, the upper part of the sliding door 1 is in a clean state.

なお、図面に示す実施の形態では、自閉装置１０を引戸１の戸尻寄りの上端に取り付けているが、引戸１の戸先寄りの上端もしくは戸尻と戸先との間の上端位置に取り付けることも可能であり、これに合わせて索状体１９の他端側は前記案内ローラ２０を介して戸先側に向きを変えて上枠２の下面に支持される。また、図面に示す実施の形態では、収容ケース１１内における戸尻寄り箇所に渦巻ばね１２を収納する渦巻ばねケース１４を設け、収容ケース１１内における戸先寄り箇所に制動装置９を設けているが、収容ケース１１内における戸先寄り箇所に渦巻ばね１２を収納する渦巻ばねケース１４を設け、収容ケース１１内における戸尻寄り箇所に制動装置９を設けるようにしても良い。さらに、図面に示す実施の形態では、引戸１の上端は上枠２の下面に形成された溝６内に摺動自在に嵌入し、また引戸１の下端は戸先寄りおよび戸尻寄りの位置に設けられた戸車７，７が下枠５に形成された溝８に嵌入してなる下戸車タイプであるが、上吊りタイプで引戸１を支持するようにしても良い。   In the embodiment shown in the drawings, the self-closing device 10 is attached to the upper end of the sliding door 1 near the door bottom, but at the upper end of the sliding door 1 near the door tip or at the upper end position between the door bottom and the door tip. In accordance with this, the other end side of the cord-like body 19 is supported by the lower surface of the upper frame 2 by changing the direction to the door end side via the guide roller 20. Moreover, in embodiment shown in drawing, the spiral spring case 14 which accommodates the spiral spring 12 in the location near the door bottom in the accommodation case 11 is provided, and the braking device 9 is provided in the location near the door tip in the accommodation case 11. However, a spiral spring case 14 that houses the spiral spring 12 may be provided near the door tip in the housing case 11, and the braking device 9 may be provided near the door bottom in the housing case 11. Further, in the embodiment shown in the drawings, the upper end of the sliding door 1 is slidably fitted in a groove 6 formed in the lower surface of the upper frame 2, and the lower end of the sliding door 1 is positioned near the door tip and the door bottom. Is a bottom door type that is fitted into a groove 8 formed in the lower frame 5, but the sliding door 1 may be supported by an upper suspension type.

次に、図１０〜図１２に示す第２の実施の形態について説明すると、この実施の形態では上吊りタイプで支持された引戸１の戸先寄りの位置で上端面より形成した凹部２５内に自閉装置１０を埋め込んである。図において、２６は上枠２に埋設したハンガーレール２７に沿って走行するように引戸１の上端に取り付けられた上吊り用のローラ、２８は収容ケース１１の上部から突出する索状体１９の他端側を止めるためにハンガーレール２７の一端上面に下向きに取り付けた棒状の止め具で、この止め具２８の下端に索状体１９の他端側が止められる。なお、この実施の形態では上吊りタイプで引戸１を支持しているが、前記第１の実施の形態と同様に下戸車タイプで引戸１を支持するようにしても良い。   Next, a second embodiment shown in FIGS. 10 to 12 will be described. In this embodiment, in the recessed portion 25 formed from the upper end surface at a position near the door tip of the sliding door 1 supported by the upper suspension type. The self-closing device 10 is embedded. In the figure, reference numeral 26 denotes an uplifting roller attached to the upper end of the sliding door 1 so as to run along a hanger rail 27 embedded in the upper frame 2, and 28 denotes a cord 19 projecting from the upper part of the housing case 11. In order to stop the other end side, the other end side of the cord-like body 19 is stopped at the lower end of the stopper 28 by a bar-like stopper attached to the upper surface of one end of the hanger rail 27 downward. In this embodiment, the sliding door 1 is supported by the upper suspension type. However, the sliding door 1 may be supported by the lower door type as in the first embodiment.

本発明の第１の実施の形態における引戸が閉じられた状態における引戸装置全体を示す正面図である。It is a front view showing the whole sliding door device in the state where the sliding door in the 1st embodiment of the present invention was closed. 同引戸が開かれた状態における引戸装置全体を示す正面図である。It is a front view showing the whole sliding door device in the state where the same sliding door was opened. 同引戸の自閉装置取付け部において化粧カバーを外した状態を示す正面図である。It is a front view which shows the state which removed the decorative cover in the self-closing apparatus attachment part of the sliding door. 同引戸の自閉装置の内部の正面図である。It is a front view inside the self-closing apparatus of the sliding door. 同引戸の自閉装置の一部切り欠き平面図である。It is a partially cutaway top view of the self-closing device of the sliding door. 同引戸の自閉装置を覆う化粧カバーを前方から見た斜視図である。It is the perspective view which looked at the decorative cover which covers the self-closing apparatus of the sliding door from the front. 同引戸の自閉装置を覆う化粧カバーを後方から見た斜視図である。It is the perspective view which looked at the makeup | decoration cover which covers the self-closing apparatus of the sliding door from back. 同引戸の自閉装置取付け部において化粧カバーを取り付けた状態を示す正面図である。It is a front view which shows the state which attached the decorative cover in the self-closing apparatus attachment part of the sliding door. 同引戸の自閉装置に対する化粧カバーの取り付け状態を示す断面図である。It is sectional drawing which shows the attachment state of the decorative cover with respect to the self-closing apparatus of the sliding door. 本発明の第２の実施の形態における引戸が閉じられた状態における引戸装置全体を示す正面図である。It is a front view which shows the whole sliding door apparatus in the state in which the sliding door in the 2nd Embodiment of this invention was closed. 図１０のＸ−Ｘ矢視図である。It is a XX arrow line view of FIG. 図１０のＹ−Ｙ矢視図である。It is a YY arrow line view of FIG.

符号の説明Explanation of symbols

１ 引戸
２ 上枠
３ 戸先側竪枠
４ 戸尻側竪枠
５ 下枠
６ 溝
７ 戸車
８ 溝
９ 制動装置
１０ 自閉装置
１１ 収容ケース
１２ 渦巻ばね
１３ 軸体
１４ 渦巻ばねケース
１５ 歯車
１６ 歯車板
１７ 歯車
１８ 凹部
１９ 索状体
２０ 案内ローラ
２１ 弛み防止部材
２２ 止め具
２３ 化粧カバー
２３ａ 前面覆い部
２３ｂ 下面覆い部
２３ｃ 側面覆い部
２３ｄ 爪部
２３ｅ 覆い部
２３ｆ ビス挿通孔
２４ ビス
２５ 凹部
２６ ローラ
２７ ハンガーレール
２８ 止め具 DESCRIPTION OF SYMBOLS 1 Sliding door 2 Upper frame 3 Door tip side frame 4 Door bottom side frame 5 Lower frame 6 Groove 7 Door wheel 8 Groove 9 Braking device 10 Self-closing device 11 Housing case 12 Spiral spring 13 Shaft body 14 Spiral spring case 15 Gear 16 Gear Plate 17 Gear 18 Recess 19 Cable-shaped body 20 Guide roller 21 Slack prevention member 22 Stopper 23 Cosmetic cover 23a Front cover 23b Bottom cover 23c Side cover 23d Claw 23e Cover 23f Screw insertion hole 24 Screw 25 Recess 26 Roller 27 Hanger rail 28 Stopper

Claims (2)

引戸の上端に取り付けられる自閉装置は収容ケースと、収容ケース内に立設状態で配設され巻き戻しによる反発力により引戸の閉動作を行なわせる渦巻ばねと、この渦巻ばねの中心側端部が係止され収容ケースより外部にのぞむように露出して渦巻ばねのばね力調整可能な軸体と、渦巻ばねを収納し渦巻ばねの外周側端部が係止されている回転可能な渦巻ばねケースと、渦巻ばねケースの開口部を覆うように渦巻ばねケースに取り付けられ外周に歯車が形成された歯車板と、収容ケース内に配設され所定の回転方向に対してのみ制動機能を発揮して引戸が閉方向に移動される際にこの閉動作を制動させる制動装置と、この制動装置の外周に形成されて前記歯車と噛合する制動用の歯車と、前記歯車板により開口部が閉じられた渦巻ばねケースの外周に形成される環状の凹部に巻回されて一端が渦巻ばねケースに固定された索状体と、渦巻ばねケースから繰り出された索状体の他端側を収容ケースの上部から突出させ戸先側に導くために収容ケースの上部に設けた案内ローラと、収容ケース内において前記渦巻ばねケースからの繰り出し部と案内ローラとの間で索状体が垂れるのを防止するために渦巻ばねケースの繰り出し部と案内ローラとの間の位置で索状体よりも戸尻寄りの位置で収容ケース内に設けられた弛み防止部材とを備え、前記収容ケースの上部から突出する索状体の他端側は前記案内ローラを介して戸先側に向きを変えて上枠の下面に支持されることを特徴とする引戸の自閉装置。 The self-closing device attached to the upper end of the sliding door includes a storage case, a spiral spring disposed in a standing state in the storage case and performing a closing operation of the sliding door by a repulsive force caused by rewinding, and an end portion on the center side of the spiral spring Is locked and exposed to the outside from the housing case, and a spring body that can adjust the spring force of the spiral spring, and a rotatable spiral spring that houses the spiral spring and is engaged with the outer peripheral end of the spiral spring A case, a gear plate attached to the spiral spring case so as to cover the opening of the spiral spring case, and a gear formed on the outer periphery, and a braking function provided only in a predetermined rotational direction disposed in the housing case. When the sliding door is moved in the closing direction, the opening is closed by the braking device that brakes the closing operation, the braking gear that is formed on the outer periphery of the braking device and meshes with the gear, and the gear plate. Spiral spring case A cable-like body wound around an annular recess formed on the outer periphery and fixed at one end to the spiral spring case, and the other end side of the cord-like body fed out from the spiral spring case protrudes from the upper part of the housing case. A guide roller provided at the upper part of the housing case for guiding to the front side, and a spiral spring case for preventing the cord-like body from drooping between the feeding portion from the spiral spring case and the guide roller in the housing case A slack preventing member provided in the housing case at a position closer to the door butt than the cable-like body at a position between the feeding portion and the guide roller, and other than the cable-like body protruding from the upper part of the housing case The self-closing device for a sliding door, characterized in that the end side is supported on the lower surface of the upper frame by changing the direction toward the door tip side through the guide roller. 自閉装置が引戸の上端前面に取り付けられた状態において収容ケースを前方より覆う化粧カバーを設け、この化粧カバーは収容ケースの前面を覆う前面覆い部と、収容ケースの下面を覆う下面覆い部と、収容ケースの左右の側面を覆う側面覆い部とを備え、側面覆い部の上端内面には収容ケースの上端角部の上面に係止する爪部が形成され、さらに前面覆い部の上端には前記案内ローラから収容ケースの外部に引き出された直後の索状体を前方より見えないようにするための覆い部が延設されていることを特徴とする請求項１記載の引戸の自閉装置。 In the state where the self-closing device is attached to the upper front of the sliding door, a decorative cover is provided to cover the storage case from the front. The decorative cover includes a front cover that covers the front of the storage case, and a lower cover that covers the lower surface of the storage case. A side cover that covers the left and right side surfaces of the storage case, and a claw portion that engages with the upper surface of the upper end corner of the storage case is formed on the inner surface of the upper end of the side cover, and at the upper end of the front cover 2. A self-closing device for a sliding door according to claim 1, wherein a covering portion is provided to prevent the cord-like body immediately after being pulled out of the housing case from the guide roller from being seen from the front. .
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102606021A (en) * 2012-03-22 2012-07-25 宁波欧德意自动门有限公司 Traction device for sliding door
CN102606020A (en) * 2012-03-15 2012-07-25 宁波欧德意自动门有限公司 Tractor for translation door
JP2017206947A (en) * 2016-05-17 2017-11-24 文化シヤッター株式会社 Sliding door device
JP2018053587A (en) * 2016-09-29 2018-04-05 立川ブラインド工業株式会社 Braking device
CN115774369A (en) * 2021-09-06 2023-03-10 成都极米科技股份有限公司 Sliding door device and projector

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JP2000008695A (en) * 1998-06-24 2000-01-11 Osaka Kanagu Kk Automatic closing device for sliding door
JP2000160925A (en) * 1998-11-30 2000-06-13 Miwa Lock Co Ltd Sag removing device for wire in closer of sliding door
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102606020A (en) * 2012-03-15 2012-07-25 宁波欧德意自动门有限公司 Tractor for translation door
CN102606021A (en) * 2012-03-22 2012-07-25 宁波欧德意自动门有限公司 Traction device for sliding door
JP2017206947A (en) * 2016-05-17 2017-11-24 文化シヤッター株式会社 Sliding door device
JP2021102920A (en) * 2016-05-17 2021-07-15 文化シヤッター株式会社 Sliding door device
JP7026837B2 (en) 2016-05-17 2022-02-28 文化シヤッター株式会社 Sliding door device
JP2018053587A (en) * 2016-09-29 2018-04-05 立川ブラインド工業株式会社 Braking device
CN115774369A (en) * 2021-09-06 2023-03-10 成都极米科技股份有限公司 Sliding door device and projector

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