JP2011246939A

JP2011246939A - Runner unit

Info

Publication number: JP2011246939A
Application number: JP2010120404A
Authority: JP
Inventors: Takahiro Yamashita; 貴宏山下
Original assignee: Software Knowledge Base Co Ltd
Current assignee: Software Knowledge Base Co Ltd
Priority date: 2010-05-26
Filing date: 2010-05-26
Publication date: 2011-12-08

Abstract

PROBLEM TO BE SOLVED: To provide a runner unit capable of simplifying a motion conversion structure in an adjustment mechanism of the runner unit and accurately executing adjustment work as intended by an operator.SOLUTION: In a runner unit comprising a running portion 5A, an attachment portion 5B, and a runner shaft 7, a height adjustment mechanism which adjusts the runner shaft 7 is assembled to a body 10 of the running portion 5A. The height adjustment mechanism is composed of an adjustment screw 28, an adjustment piece 29, a transmission body 30 which uses a plurality of balls 44 as a transmission element, a guide groove 17 for the transmission body 30, and so on. The transmission body 30 is disposed between an operation arm 41 of the adjustment piece 29 and a passive piece 22 of the runner shaft 7. The transmission body 30 is bended at the midway part to be guided by the guide groove 17, and the adjustment movement of the adjustment screw 28 is directly transmitted to the runner shaft 7 via the four balls 44. At the same time, by a joint action of the four balls 44 and the guide groove 17 the adjustment movement of the adjustment screw 28 is directly converted in an adjustment moving direction of the runner shaft 7.

Description

本発明は、折戸や引戸に適用されるランナーユニットに関し、高さ調整機構や前後調整機構に代表される調整機構を改良したものである。 The present invention relates to a runner unit applied to a folding door and a sliding door, and is an improvement of an adjustment mechanism represented by a height adjustment mechanism and a front / rear adjustment mechanism.

この種のランナーユニットのひとつに吊車型のランナーユニットがある。そこでは、ガイドレールで走行案内される走行部と、戸パネルに固定される装着部と、これら両者を連結するランナー軸などでランナーユニットを構成している。装着部は、戸パネルに埋設する状態で組み付けることが多く、その内部には高さ調整機構や前後調整機構などの調整機構を組み込むことが多い。例えば特許文献１の吊車型のランナーユニットでは、装着部の内部に高さ調整機構と前後調整機構を設けている。高さ調整機構は、調整ねじと、調整ねじで往復操作される調整ピースと、調整ピースの往復動作を上下動作に変換する逆Ｌ字状のレバーとからなる。前後調整機構は、調整ねじと、ランナー軸を支持するランナー台と、ランナー台で縦軸回りに回転自在に支持した雌ねじ体とからなり、調整ねじでランナー台を前後に揺動操作して前後調整できるようにしている。 One of these types of runner units is a suspended-car runner unit. There, a runner unit is constituted by a travel section that is travel-guided by a guide rail, a mounting section that is fixed to a door panel, and a runner shaft that connects both of them. The mounting portion is often assembled in a state of being embedded in the door panel, and an adjustment mechanism such as a height adjustment mechanism or a front / rear adjustment mechanism is often incorporated therein. For example, in the suspension vehicle type runner unit of Patent Document 1, a height adjustment mechanism and a front / rear adjustment mechanism are provided inside the mounting portion. The height adjustment mechanism includes an adjustment screw, an adjustment piece that is reciprocated by the adjustment screw, and an inverted L-shaped lever that converts the reciprocation of the adjustment piece into an up and down movement. The front / rear adjustment mechanism consists of an adjustment screw, a runner base that supports the runner shaft, and an internal thread body that is rotatably supported around the vertical axis by the runner base. It can be adjusted.

特許文献２の吊車型のランナーユニットでは、走行部のボディに高さ調整機構を設けており、同機構は、調整ねじと、調整ねじで往復操作される調整ピースと、調整ピースの往復動作を上下動作に変換するレバーとで構成してある。レバーは、ローラー軸を利用して揺動可能に支持してあり、その操作端でランナー軸を支持している。 In the suspension type runner unit of Patent Document 2, a height adjustment mechanism is provided in the body of the traveling unit, and the mechanism performs an adjustment screw, an adjustment piece that is reciprocated by the adjustment screw, and a reciprocating operation of the adjustment piece. It consists of a lever that converts it into vertical motion. The lever is swingably supported using a roller shaft, and the runner shaft is supported at its operation end.

同様に、特許文献３の吊車型のランナーユニットにおいても、高さ調整機構を走行部のボディに設けている。そこでは、ランナー軸の上端に逆台形状の調整体を固定しておき、その傾斜面をボディにねじ込んだ調整ねじで直接調整操作して、ランナー軸の高さを調整できるようにしている。 Similarly, also in the suspension type runner unit of Patent Document 3, a height adjustment mechanism is provided in the body of the traveling unit. There, an inverted trapezoidal adjustment body is fixed to the upper end of the runner shaft, and the height of the runner shaft can be adjusted by directly adjusting the inclined surface with an adjustment screw screwed into the body.

特開２００８−３０３６５３号公報（段落番号００２７、図６）JP 2008-303653 A (paragraph number 0027, FIG. 6) 特開２００５−１７１７１４号公報（段落番号００２７、図４）Japanese Patent Laying-Open No. 2005-171714 (paragraph number 0027, FIG. 4) 特開平１１−０８１７８５号公報（段落番号００２３、図７）Japanese Patent Laid-Open No. 11-081785 (paragraph number 0023, FIG. 7)

特許文献１のランナーユニットや、特許文献２のランナーユニットでは、調整ねじと、調整ピースと、動作変換用のレバーなどで高さ調整機構を構成しており、調整ねじを回転操作するだけで、ランナー軸を上下に調整移動して戸パネルの高さを調整できる。しかし、調整ねじと、調整ピースと、レバーとの三者で動作変換を行なって、ランナー軸を上下に調整するので、高さ調整機構が占める空間が大きくなるのを避けられず、走行部や、装着部を小形化するうえで限界があった。高さ調整機構の構成部品点数が多いため部品コストが嵩み、さらに組み付けに手間が掛かることもあり、ランナーユニットのコストが高くなるのを避けられない。加えて、高さ調整機構に加えて前後調整機構を備えていることが標準化されている現状では、ランナーユニットの構造が複雑化し、コストはさらに嵩みやすい。 In the runner unit of Patent Document 1 and the runner unit of Patent Document 2, a height adjustment mechanism is configured by an adjustment screw, an adjustment piece, a motion conversion lever, and the like, and only by rotating the adjustment screw, The height of the door panel can be adjusted by moving the runner shaft up and down. However, since the motion conversion is performed by the adjustment screw, the adjustment piece, and the lever, and the runner shaft is adjusted up and down, it is inevitable that the space occupied by the height adjustment mechanism will increase, There was a limit to downsizing the mounting part. Since the number of component parts of the height adjustment mechanism is large, the cost of the parts increases, and further, it takes time to assemble, and it is inevitable that the cost of the runner unit is increased. In addition, in the present situation where it is standardized to include a longitudinal adjustment mechanism in addition to the height adjustment mechanism, the structure of the runner unit is complicated and the cost is more likely to increase.

その点、ランナー軸の上端に固定した調整体を、走行部のボディにねじ込んだ調整ねじで直接に調整操作する特許文献３のランナーユニットによれば、部品点数が少ない分だけ高さ調整機構の構造を簡素化し、組み付けに要する手間も軽減できる。しかし、調整体の斜面と直交する調整ねじで調整体を直接に調整操作するので、調整時には、調整体の斜面が調整ねじの突端面に沿ってスライドしながら上下動するのを避けられず、調整ねじのねじ込み操作に大きな力を要する。また、調整ねじを一定量ねじ込むときのランナー軸の調整移動量が小さい不利もある。 On the other hand, according to the runner unit of Patent Document 3 in which the adjustment body fixed to the upper end of the runner shaft is directly adjusted with an adjustment screw screwed into the body of the traveling unit, the height adjustment mechanism is reduced by the number of parts. The structure can be simplified and the labor required for assembly can be reduced. However, since the adjustment body is directly adjusted with the adjustment screw perpendicular to the slope of the adjustment body, it is inevitable that the slope of the adjustment body moves up and down while sliding along the protruding end surface of the adjustment screw during adjustment. A large force is required for screwing the adjusting screw. Further, there is a disadvantage that the adjustment movement amount of the runner shaft when the adjustment screw is screwed in a certain amount is small.

上記のように、従来の調整機構は、調整ねじとランナー軸（調整対象）とを交差配置する関係上、両者の間にカムやレバーなどの動作変換構造を設ける必要があり、これが調整機構を複雑化し、ランナーユニットの小形化を阻む要因となっていた。加えて、調整ねじ、調整ピース、レバーなどの動作変換構造を構成する部品の寸法のばらつきによって、調整ねじのねじ込み動作とランナー軸の調整動作とに動作遅れを生じやすく、そのため、作業者の意図どおりに調整作業を行なうのが困難であった。また、動作変換構造を介さずに、調整体を調整ねじで直接的に調整操作する調整機構においては、調整操作を円滑にしかも軽快に行なえない点で操作性に問題がある。 As described above, the conventional adjustment mechanism needs to provide an operation conversion structure such as a cam or a lever between the adjustment screw and the runner shaft (adjustment target) because it crosses the adjustment screw. It became complicated and became a factor that hindered downsizing of the runner unit. In addition, due to variations in the dimensions of the parts that make up the motion conversion structure, such as adjustment screws, adjustment pieces, and levers, there is a tendency for an operation delay to occur between the screwing operation of the adjustment screw and the adjustment operation of the runner shaft. It was difficult to carry out the adjustment work as expected. In addition, in an adjustment mechanism that directly adjusts an adjustment body with an adjustment screw without using a motion conversion structure, there is a problem in operability in that the adjustment operation cannot be performed smoothly and lightly.

本発明は上記の技術背景の下に提案されたものであって、その目的とするところは、動作変換構造を簡素化して調整機構を簡素化し、走行部や装着部を小形化できるランナーユニットを提供することにある。
本発明の目的は、動作変換構造を構成する部品の寸法のばらつきに伴なう調整対象の調整動作の遅れを一掃でき、したがって、作業者の意図どおりに調整作業を的確に、しかも軽快に行なうことができるランナーユニットを提供することにある。 The present invention has been proposed under the above technical background, and the object of the present invention is to provide a runner unit that can simplify the motion conversion structure, simplify the adjustment mechanism, and reduce the size of the traveling part and the mounting part. It is to provide.
The object of the present invention is to eliminate the delay of the adjustment operation to be adjusted due to the variation in the dimensions of the parts constituting the motion conversion structure, and therefore, the adjustment work is performed accurately and lightly as intended by the operator. It is to provide a runner unit that can.

本発明に係るランナーユニットは、ガイドレール１で走行案内されるランナーユニット５に、戸パネルＰ１・Ｐ２の高さや前後位置を調整する調整機構が組み込んである。調整機構は、回転可能に支持した調整ねじ２８と、調整ねじ２８のねじ込み動作を調整対象７に直接伝動する伝動体３０とを含む。伝動体３０は、断面が円形の転動体、密巻きしたばね体５５、屈曲可能なワイヤー、屈曲可能なフレキシブル軸５７、屈曲可能なチェーンリンク、屈曲可能なばね板、およびボールチェーンから選択される少なくともいずれかひとつを伝動要素にして構成する。伝動体３０を中途部が屈曲する状態で配置して、調整ねじ２８の調整動作を調整対象７の調整移動方向へ直接変換できることを特徴とする。伝動体３０を中途部が屈曲する状態で配置するとは、図１１に示すように伝動体３０が周回状に連続している形態を含むこととする。 In the runner unit according to the present invention, an adjustment mechanism that adjusts the height and front / rear position of the door panels P1 and P2 is incorporated in the runner unit 5 that is guided by the guide rail 1. The adjustment mechanism includes an adjustment screw 28 that is rotatably supported, and a transmission body 30 that directly transmits the screwing operation of the adjustment screw 28 to the adjustment target 7. The transmission body 30 is selected from a rolling element having a circular cross section, a closely wound spring body 55, a bendable wire, a bendable flexible shaft 57, a bendable chain link, a bendable spring plate, and a ball chain. At least one of them is configured as a transmission element. The transmission 30 is arranged in a state where the midway portion is bent, and the adjustment operation of the adjustment screw 28 can be directly converted into the adjustment movement direction of the adjustment object 7. Arranging the transmission body 30 in a state where the midway portion is bent includes a configuration in which the transmission body 30 is continuous in a circular shape as shown in FIG. 11.

本発明におけるランナーユニットとは、吊車型のランナーユニットにおいては、ガイドレール１で走行案内される走行部５Ａと、戸パネルＰ１・Ｐ２に装着される装着部５Ｂと、これら両者５Ａ・５Ｂを連結するランナー軸７とを含む概念である。また、戸車型のランナーユニットにおいては、ハウジングと車輪などを含む概念である。 The runner unit in the present invention is a suspended-runner type runner unit that connects the traveling portion 5A that is guided by the guide rail 1, the mounting portion 5B that is attached to the door panels P1 and P2, and these 5A and 5B. It is a concept including the runner shaft 7 to be operated. Further, the door-car type runner unit is a concept including a housing and wheels.

ガイドレール１で走行案内される走行部５Ａと、戸パネルＰ１・Ｐ２に装着される装着部５Ｂと、これら両者５Ａ・５Ｂを連結するランナー軸７とを備えた吊車型のランナーユニットにおいて、走行部５Ａのボディ１０に、ランナー軸７を調整対象とする高さ調整機構を組み付ける。高さ調整機構は、調整ねじ２８と、複数個のボール４４あるいは複数個のローラーからなる伝動体３０と、伝動体３０を収容するガイド溝１７を含む。 In a suspension-wheel-type runner unit having a traveling portion 5A that is guided by the guide rail 1, a mounting portion 5B that is attached to the door panels P1 and P2, and a runner shaft 7 that couples both 5A and 5B. A height adjustment mechanism for adjusting the runner shaft 7 is assembled to the body 10 of the part 5A. The height adjusting mechanism includes an adjusting screw 28, a transmission body 30 including a plurality of balls 44 or a plurality of rollers, and a guide groove 17 that accommodates the transmission body 30.

高さ調整機構は、走行部５Ａのボディ１０で回転のみ自在に支持した調整ねじ２８と、調整ねじ２８で往復操作される調整ピース２９と、調整ピース２９とランナー軸７の受動片２２との間に配置した２組の伝動体３０とで構成する。２組の伝動体３０は、ランナー軸７の対向する周面に分離配置する。 The height adjustment mechanism includes an adjustment screw 28 that is rotatably supported by the body 10 of the traveling unit 5A, an adjustment piece 29 that is reciprocated by the adjustment screw 28, an adjustment piece 29, and a passive piece 22 of the runner shaft 7. It consists of two sets of transmission bodies 30 arranged between them. The two sets of transmission bodies 30 are separately disposed on the opposing peripheral surfaces of the runner shaft 7.

走行部５Ａのボディ１０は、ランナー軸７の軸中心を通る垂直面で分割された前後ケース１０ａ・１０ｂを接合して構成する。前後ケース１０ａ・１０ｂの分割面に臨んで、ランナー軸７を収容する軸穴１５と、調整ねじ２８および調整ピース２９を収容する調整穴１６と、伝動体３０を収容するガイド溝１７を形成する。 The body 10 of the traveling unit 5 </ b> A is configured by joining front and rear cases 10 a and 10 b divided by a vertical plane passing through the axis center of the runner shaft 7. Facing the divided surfaces of the front and rear cases 10a and 10b, a shaft hole 15 for accommodating the runner shaft 7, an adjustment hole 16 for accommodating the adjustment screw 28 and the adjustment piece 29, and a guide groove 17 for accommodating the transmission 30 are formed. .

ガイド溝１７は、ランナー軸７の受動片２２の上下動を許す上直線溝４７と、調整ピース２９に設けた操作腕４１の往復動を許す下直線溝４８と、これら直線溝４７・４８の間に設けられる変向溝４９とでへ字状に形成する。 The guide groove 17 includes an upper linear groove 47 that allows the passive piece 22 of the runner shaft 7 to move up and down, a lower linear groove 48 that allows the operating arm 41 provided on the adjustment piece 29 to reciprocate, and the linear grooves 47 and 48. A diverting groove 49 provided between them is formed in a square shape.

調整ねじ２８は調整穴１６に装填した第１・第２の軸受体３１・３２で回転自在に軸支する。調整ピース２９は、調整ねじ２８のねじ軸３６に噛み合う雌ねじ部４０と、雌ねじ部４０から突設されて、伝動体３０を受け止める前後一対の操作腕４１とで構成する。 The adjustment screw 28 is rotatably supported by the first and second bearing bodies 31 and 32 loaded in the adjustment hole 16. The adjustment piece 29 includes a female screw portion 40 that meshes with the screw shaft 36 of the adjustment screw 28, and a pair of front and rear operation arms 41 that protrude from the female screw portion 40 and receive the transmission body 30.

丸軸状のランナー軸７の上部に、前後に平行な平坦面２０を備えた調整軸部２１を設ける。調整軸部２１の平坦面２０に、前後一対の受動片２２を張り出し形成する。ガイド溝１７の上直線溝４７と変向溝４９の開口を、調整軸部２１の平坦面２０で塞ぐ。 An adjustment shaft portion 21 having a flat surface 20 parallel to the front and rear is provided on the upper portion of the round shaft-shaped runner shaft 7. A pair of front and rear passive pieces 22 are formed on the flat surface 20 of the adjustment shaft portion 21 so as to protrude. The openings of the upper straight groove 47 and the diverting groove 49 of the guide groove 17 are closed by the flat surface 20 of the adjustment shaft portion 21.

ガイドレール１で走行案内される走行部５Ａと、戸パネルＰ１・Ｐ２に装着される装着部５Ｂと、これら両者を連結するランナー軸７とを備えた吊車型のランナーユニットにおいて、走行部５Ａにランナー軸７を調整対象とする高さ調整機構を組み付ける。高さ調整機構は、走行部５Ａのボディ１０にねじ込んだ調整ねじ２８と、調整ねじ２８とランナー軸７の受動壁５６との間に配置される伝動体３０とで構成する。伝動体３０は、密巻きしたばね体５５、屈曲可能なワイヤー、屈曲可能なフレキシブル軸５７、屈曲可能なチェーンリンク、屈曲可能なばね板、およびボールチェーンから選択される少なくともいずれかひとつを伝動要素にして構成する。 In a suspension type runner unit including a traveling unit 5A that is guided by the guide rail 1, a mounting unit 5B that is mounted on the door panels P1 and P2, and a runner shaft 7 that couples both, the traveling unit 5A A height adjustment mechanism for adjusting the runner shaft 7 is assembled. The height adjusting mechanism includes an adjusting screw 28 screwed into the body 10 of the traveling unit 5 </ b> A, and a transmission 30 disposed between the adjusting screw 28 and the passive wall 56 of the runner shaft 7. The transmission body 30 includes at least one selected from a closely wound spring body 55, a bendable wire, a bendable flexible shaft 57, a bendable chain link, a bendable spring plate, and a ball chain. Configure.

本発明においては、回転可能に支持した調整ねじ２８と、調整ねじ２８のねじ込み動作を調整対象７に直接伝動する伝動体３０を含んで調整機構を構成した。また、伝動体３０は、例えばボールやローラーなどの断面が円形の転動体や、屈曲可能なフレキシブル軸などを伝動要素にして構成し、伝動体３０を中途部が屈曲する状態で配置した。このように、伝動体３０を中途部が屈曲する状態で配置すると、操作力の伝動と、調整ねじ２８の調整動作を調整対象７の調整移動方向へ変換する動作変換とを同時に行なえるので、動作変換構造を簡素化できる。 In the present invention, the adjustment mechanism is configured to include the adjustment screw 28 that is rotatably supported and the transmission body 30 that directly transmits the screwing operation of the adjustment screw 28 to the adjustment object 7. In addition, the transmission body 30 is configured by using, for example, a rolling element having a circular cross section such as a ball or a roller, a flexible shaft that can be bent, or the like as a transmission element, and the transmission body 30 is arranged in a state in which a midway portion is bent. Thus, when the transmission body 30 is arranged in a state where the midway portion is bent, the transmission of the operating force and the operation conversion for converting the adjustment operation of the adjustment screw 28 to the adjustment movement direction of the adjustment object 7 can be performed simultaneously. The motion conversion structure can be simplified.

また、動作変換構造を簡素化できる分だけ、全体コストを削減しながら、例えばランナーユニットの走行部５Ａや装着部５Ｂを小形化しコンパクト化できる。さらに、中途部が屈曲する伝動体３０で、操作力の伝動と動作方向の変換とを同時に行なうので、伝動体３０の入力端と出力端において動作遅れを生じる余地がなく、動作変換構造を構成する部品の寸法のばらつきに伴なう調整対象の調整動作の遅れを一掃できる。したがって、調整作業を作業者の意図どおりに的確に、しかも軽快に行なうことができる。 Further, for example, the running portion 5A and the mounting portion 5B of the runner unit can be downsized and made compact while reducing the overall cost by the amount that can simplify the motion conversion structure. Further, since the transmission 30 is bent in the middle, and the transmission of the operating force and the conversion of the operation direction are performed simultaneously, there is no room for causing an operation delay at the input end and the output end of the transmission 30 and the operation conversion structure is configured. It is possible to eliminate the delay in the adjustment operation to be adjusted due to the variation in the dimensions of the parts to be adjusted. Therefore, the adjustment work can be performed accurately and lightly as intended by the operator.

ボディ１０に設けた高さ調整機構を、調整ねじ２８と、ボール４４やローラーを伝動要素とする伝動体３０と、伝動体３０用のガイド溝１７などで構成すると、調整ねじ２８の調整動作を円滑に、しかも遅滞なくランナー軸７に伝えることができる。ボール４４やローラーが転動しながら動作変換を行なえるうえ、伝動体３０が不適切に屈曲するのをガイド溝１７で規制して確動機構化できるからである。また、複数個のボール４４やローラーは隙間のない状態で連続しているので、伝動体３０の入出力端における移動量を一致させることができ、調整ねじ２８の調整量と同じ量だけランナー軸７を調整して、さらに正確に調整作業を行なうことができる。 When the height adjusting mechanism provided on the body 10 is configured by the adjusting screw 28, the transmission body 30 having the balls 44 and rollers as transmission elements, the guide groove 17 for the transmission body 30, and the like, the adjustment operation of the adjustment screw 28 is performed. It can be transmitted smoothly to the runner shaft 7 without delay. This is because the ball 44 and the roller can perform motion conversion while rolling, and the guide groove 17 can be used to restrict the transmission body 30 from being bent inappropriately, thereby forming a positive mechanism. In addition, since the plurality of balls 44 and the rollers are continuous without a gap, the movement amount at the input / output end of the transmission body 30 can be matched, and the runner shaft is the same as the adjustment amount of the adjustment screw 28. 7 can be adjusted to perform the adjustment work more accurately.

調整ねじ２８と、調整ピース２９と、２組の伝動体３０とで構成高さ調整機構を構成し、ランナー軸７の対向する周面に２組の伝動体３０を分離配置すると、ランナー軸７の受動片２２を２組の伝動体３０で安定した状態でバランスよく支持できる。また、調整ねじ２８の調整動作を、ランナー軸７の受動片２２に対して２組の伝動体３０で均等に伝動できる。したがって、全体として走行部５Ａに偏加重が作用するのを防止して、常に安定した状態で走行部５Ａをガイドレール１に沿って移動させることができる。 If the adjustment screw 28, the adjustment piece 29, and the two sets of transmission members 30 constitute a height adjustment mechanism, and the two sets of transmission members 30 are separately arranged on the opposing circumferential surfaces of the runner shaft 7, the runner shaft 7 The passive piece 22 can be supported by the two sets of transmission bodies 30 in a stable state with a good balance. Further, the adjusting operation of the adjusting screw 28 can be transmitted equally to the passive piece 22 of the runner shaft 7 by the two sets of transmission bodies 30. Therefore, it is possible to prevent the partial load from acting on the traveling portion 5A as a whole, and to move the traveling portion 5A along the guide rail 1 in a stable state at all times.

分割された前後ケース１０ａ・１０ｂでボディ１０を構成し、前後ケース１０ａ・１０ｂの分割面に臨んで軸穴１５と調整穴１６とガイド溝１７を形成すると、前後ケース１０ａ・１０ｂを成形する過程で軸穴１５、調整穴１６、およびガイド溝１７を一気に形成できる。また、分割された前後ケース１０ａ・１０ｂの一方に大半の部品を組み付けることができるので、調整機構の組み立てに要する手間を軽減でき、全体としてランナーユニットの製造コストを削減できる。 A process of forming the front and rear cases 10a and 10b when the body 10 is constituted by the divided front and rear cases 10a and 10b, and the shaft hole 15, the adjustment hole 16 and the guide groove 17 are formed facing the split surface of the front and rear cases 10a and 10b. Thus, the shaft hole 15, the adjustment hole 16, and the guide groove 17 can be formed at a stretch. Further, since most of the parts can be assembled to one of the divided front and rear cases 10a and 10b, the labor required for assembling the adjustment mechanism can be reduced, and the manufacturing cost of the runner unit can be reduced as a whole.

ガイド溝１７を上直線溝４７と、下直線溝４８と、両溝４７・４８の間の変向溝４９とでへ字状に形成すると、伝動体３０が変向溝４９を通過する過程で、動作変換を円滑にしかも的確に行なえる。また、伝動体３０の入力端と出力端における移動動作が、上直線溝４７および下直線溝４８に沿う直線動作となるので、調整ねじ２８から伝動体３０の入力端への伝動構造や、伝動体３０の出力端からランナー軸７への伝動構造を簡素化できる。 When the guide groove 17 is formed in a U-shape by the upper straight groove 47, the lower straight groove 48, and the turning groove 49 between both grooves 47, 48, the transmission body 30 passes through the turning groove 49. The operation conversion can be performed smoothly and accurately. Further, since the moving operation at the input end and the output end of the transmission body 30 is a linear operation along the upper straight groove 47 and the lower straight groove 48, the transmission structure from the adjustment screw 28 to the input end of the transmission body 30, or the transmission The transmission structure from the output end of the body 30 to the runner shaft 7 can be simplified.

調整ねじ２８を第１・第２の軸受体３１・３２で回転自在に軸支すると、常に安定した状態で調整ねじ２８を回転操作でき、しかも調整ねじ２８をねじ軸心方向へがたつく余地のない状態でしっかりと支持できる。したがって、調整ねじ２８の調整操作をより確実に行なえる。また、雌ねじ部４０と、伝動体３０を受け止める前後一対の操作腕４１とで構成した調整ピース２９によれば、２組の伝動体３０を前後一対の操作腕４１で同時に移動操作できるので、調整ねじ２８から伝動体３０の入力端に至る伝動構造を簡素化できる。 When the adjusting screw 28 is rotatably supported by the first and second bearing bodies 31 and 32, the adjusting screw 28 can be rotated in a stable state at all times, and there is no room for the adjusting screw 28 to rattle in the axial direction of the screw. Can be firmly supported in the state. Therefore, the adjustment operation of the adjustment screw 28 can be performed more reliably. Further, according to the adjustment piece 29 constituted by the female screw portion 40 and the pair of front and rear operation arms 41 for receiving the transmission body 30, the two sets of transmission bodies 30 can be simultaneously moved and operated by the pair of front and rear operation arms 41. The transmission structure from the screw 28 to the input end of the transmission 30 can be simplified.

調整軸部２１の平坦面２０に張り出した前後一対の受動片２２は、ガイド溝１７の内部に入り込んで伝動体３０の出力端で支持される。また、平坦面２０は、ガイド溝１７の上直線溝４７と変向溝４９の開口を塞いで、伝動体３０が上直線溝４７および変向溝４９からはみ出るのを防止できる。これにより、伝動体３０がガイド溝１７から脱落するのを確実に防止でき、とくにボール４４やローラーを伝動要素とする場合であっても、これらの伝動要素をガイド溝１７に沿って的確に移動案内することができる。 The pair of front and rear passive pieces 22 protruding from the flat surface 20 of the adjustment shaft portion 21 enter the guide groove 17 and are supported by the output end of the transmission 30. Further, the flat surface 20 blocks the opening of the upper straight groove 47 and the turning groove 49 of the guide groove 17, and can prevent the transmission body 30 from protruding from the upper straight groove 47 and the turning groove 49. Thereby, it is possible to reliably prevent the transmission body 30 from falling off the guide groove 17, and even when the ball 44 or the roller is used as the transmission element, these transmission elements are accurately moved along the guide groove 17. I can guide you.

ボディ１０に設けた高さ調整機構の伝動体３０を、ばね体５５と、ワイヤーと、フレキシブル軸５７と、チェーンリンクと、ばね板、ボールチェーンのいずれかを伝動要素にして構成すると、ボール４４やローラーを伝動要素とする場合に比べて、伝動体３０を簡素化できる。調整ねじ２８とランナー軸７との間の操作力の伝動と、動作方向の変換とを、中途部が屈曲する少なくとも１個の伝動要素で同時に行なえるからである。 When the transmission body 30 of the height adjustment mechanism provided in the body 10 is configured by using any one of the spring body 55, the wire, the flexible shaft 57, the chain link, the spring plate, and the ball chain as a transmission element, the ball 44 Compared with the case where a roller is used as a transmission element, the transmission body 30 can be simplified. This is because the transmission of the operating force between the adjusting screw 28 and the runner shaft 7 and the conversion of the movement direction can be performed simultaneously by at least one transmission element whose middle part is bent.

本発明の実施例１に係る高さ調整機構を示す縦断正面図である。It is a vertical front view which shows the height adjustment mechanism which concerns on Example 1 of this invention. 折戸の正面図である。It is a front view of a folding door. 図１とは異なる部位を破断した高さ調整機構の縦断正面図である。It is a vertical front view of the height adjustment mechanism which fractured | ruptured the site | part different from FIG. 走行部の分解断面図である。It is an exploded sectional view of a run part. 図３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３におけるＢ−Ｂ線断面図である。FIG. 4 is a sectional view taken along line BB in FIG. 3. 図３におけるＣ−Ｃ線断面図である。It is CC sectional view taken on the line in FIG. 本発明の実施例２に係る高さ調整機構を示す縦断正面図である。It is a vertical front view which shows the height adjustment mechanism which concerns on Example 2 of this invention. 本発明の実施例３に係る高さ調整機構を示す縦断正面図である。It is a vertical front view which shows the height adjustment mechanism which concerns on Example 3 of this invention. 伝動要素の変更例を示す一部破断正面図である。It is a partially broken front view which shows the example of a change of a transmission element. 本発明の実施例４に係る前後調整機構を示す縦断正面図である。It is a vertical front view which shows the front-back adjustment mechanism which concerns on Example 4 of this invention. 実施例４に係る前後調整機構の縦断正面図である。It is a vertical front view of the front-rear adjustment mechanism according to the fourth embodiment. 実施例４に係る前後調整機構の縦断側面図である。It is a vertical side view of the front-back adjustment mechanism which concerns on Example 4. FIG. 参考例に係る高さ調整機構を示す縦断正面図である。It is a vertical front view which shows the height adjustment mechanism which concerns on a reference example. 別の参考例に係る高さ調整機構を示す縦断正面図である。It is a vertical front view which shows the height adjustment mechanism which concerns on another reference example.

（実施例１）図１ないし図７は本発明に係るランナーユニットをフリー折戸に適用した実施例１を示す。本発明における前後・左右・上下とは、図２に示す交差矢印と、各矢印の近傍に表示した前後・左右・上下の表記に従うものとする。図２に示すフリー折戸は、２組のパネル対で構成されており、各パネル対は開口枠の上下に設けたガイドレール１・２で屈折自在に案内支持してある。各パネル対は、２個の戸パネルＰ１・Ｐ２の隣接縁どうしをヒンジ３で屈折自在に連結して構成してあり、パネル対の両側端の上下に設けたランナーユニット５と振れ止め６を上下のガイドレール１・２で走行案内して、開口面を開閉できるようにしてある。符号４は開閉用の把手である。上側のガイドレール１は、下向きに開口する断面Ｃ字状のアルミニウム条材（金属条材）からなり、その下面側の前後にランナーユニット５のローラー１１を転動案内するレール壁８を有し、両レール壁８の間にレール開口が設けてある（図５参照）。 (Example 1) FIG. 1 thru | or FIG. 7 shows Example 1 which applied the runner unit based on this invention to the free folding door. In the present invention, “front / rear / left / right / upper / lower” refers to the crossing arrows shown in FIG. The free folding door shown in FIG. 2 is composed of two sets of panel pairs, and each panel pair is guided and supported by guide rails 1 and 2 provided above and below the opening frame so as to be refractable. Each panel pair is formed by connecting adjacent edges of two door panels P1 and P2 in a freely refracting manner with hinges 3, and includes a runner unit 5 and a steady rest 6 provided on both upper and lower ends of the panel pair. Traveling guidance is provided by the upper and lower guide rails 1 and 2 so that the opening surface can be opened and closed. Reference numeral 4 denotes a handle for opening and closing. The upper guide rail 1 is made of an aluminum strip (metal strip) having a C-shaped cross section that opens downward, and has a rail wall 8 that rolls and guides the roller 11 of the runner unit 5 on the front and back sides thereof. A rail opening is provided between the rail walls 8 (see FIG. 5).

図３においてランナーユニット５は、ガイドレール１で走行案内される走行部５Ａと、戸パネルＰ１・Ｐ２に装着される装着部５Ｂと、これら両者を連結するランナー軸７とで構成する。走行部５Ａは、横長ブロック状のボディ１０と、ボディ１０の前後面に配置した４個のローラー１１と、前後のローラー１１を遊転自在に軸支するローラー軸１２と、ボディ１０の内部に組み込んだ高さ調整機構（調整機構）などで構成する。左右のローラー軸１２の間の、ボディ１０の前後中央にランナー軸７が配置され、高さ調整機構で支持してある。 In FIG. 3, the runner unit 5 includes a traveling portion 5A that is travel-guided by the guide rail 1, a mounting portion 5B that is mounted on the door panels P1 and P2, and a runner shaft 7 that couples both. The traveling unit 5 </ b> A includes a horizontally-long block-shaped body 10, four rollers 11 disposed on the front and rear surfaces of the body 10, a roller shaft 12 that pivotally supports the front and rear rollers 11, and an inside of the body 10. It consists of a built-in height adjustment mechanism (adjustment mechanism). A runner shaft 7 is disposed between the left and right roller shafts 12 in the front and rear center of the body 10 and is supported by a height adjusting mechanism.

図４に示すようにボディ１０は、ランナー軸７の軸中心を通る垂直面で分割した前ケース１０ａおよび後ケース１０ｂを接合して構成する。前後ケース１０ａ・１０ｂの分割面には、ランナー軸７を収容する上下方向の軸穴１５と、高さ調整機構の構成部品を収容する調整穴１６、およびガイド溝１７が凹み形成してある。このように、前後ケース１０ａ・１０ｂの分割面に軸穴１５、調整穴１６、ガイド溝１７を凹み形成すると、前後ケース１０ａ・１０ｂの成形時に軸穴１５、調整穴１６、ガイド溝１７を同時にしかも正確に形成できるので、走行部５Ａをより少ないコストで製造できる。 As shown in FIG. 4, the body 10 is configured by joining a front case 10 a and a rear case 10 b that are divided by a vertical plane passing through the axial center of the runner shaft 7. On the split surfaces of the front and rear cases 10a and 10b, a vertical shaft hole 15 that accommodates the runner shaft 7, an adjustment hole 16 that accommodates components of the height adjustment mechanism, and a guide groove 17 are formed in a recessed manner. As described above, when the shaft hole 15, the adjustment hole 16, and the guide groove 17 are formed in the divided surfaces of the front and rear cases 10a and 10b, the shaft hole 15, the adjustment hole 16, and the guide groove 17 are simultaneously formed when the front and rear cases 10a and 10b are formed. And since it can form correctly, traveling part 5A can be manufactured at less cost.

図１に示すように、調整穴１６は、ボディ１０の側端面の下部から軸穴１５にわたって、斜め上向きに傾斜する状態で形成してある。前後ケース１０ａ・１０ｂの分割面どうしを接合し、両ケース１０ａ・１０ｂを前後に貫通するかしめピン１８で固定することにより、前後ケース１０ａ・１０ｂを分離不能に一体化できる。左右のローラー軸１２も、前後ケース１０ａ・１０ｂを一体化した状態を保持することに役立っている。 As shown in FIG. 1, the adjustment hole 16 is formed so as to be inclined obliquely upward from the lower portion of the side end surface of the body 10 to the shaft hole 15. By joining the divided surfaces of the front and rear cases 10a and 10b and fixing the cases 10a and 10b with caulking pins 18 that pass through the front and rear, the front and rear cases 10a and 10b can be integrated without being separated. The left and right roller shafts 12 are also helpful in maintaining a state in which the front and rear cases 10a and 10b are integrated.

ランナー軸７は、下端にフランジ１９（図３参照）が張り出してある丸軸からなるが、その上部の前後には平行な平坦面２０を備えた調整軸部２１が設けてあり、調整軸部２１の平坦面２０の上端に、前後一対の受動片２２が張り出してある（図４参照）。ランナー軸７をボディ１０に組み付けた状態において、先の受動片２２が後述する伝動体３０で支持される。 The runner shaft 7 is composed of a round shaft with a flange 19 (see FIG. 3) projecting at the lower end, and an adjustment shaft portion 21 having a parallel flat surface 20 is provided on the front and rear of the upper portion. A pair of front and rear passive pieces 22 protrudes from the upper end of the flat surface 20 of 21 (see FIG. 4). In the state where the runner shaft 7 is assembled to the body 10, the previous passive piece 22 is supported by the transmission body 30 described later.

軸穴１５は、調整軸部２１を収容する断面が四角形の上軸穴２４と、ランナー軸７の丸軸部分を収容する下軸穴２５とで構成する。そのため、ランナー軸７とボディ１０とは相対回動できない。しかし、ランナー軸７の丸軸部分と装着部５Ｂとは相対回動できるので、折り畳み開閉するときの戸パネルＰ１・Ｐ２とランナー軸７との相対動作は、装着部５Ｂで吸収することができる。 The shaft hole 15 includes an upper shaft hole 24 having a quadrangular cross section for accommodating the adjusting shaft portion 21 and a lower shaft hole 25 for accommodating the round shaft portion of the runner shaft 7. Therefore, the runner shaft 7 and the body 10 cannot be rotated relative to each other. However, since the round shaft portion of the runner shaft 7 and the mounting portion 5B can rotate relative to each other, the relative movement between the door panels P1 and P2 and the runner shaft 7 when opening and closing the folding can be absorbed by the mounting portion 5B. .

高さ調整機構は、ランナー軸７を調整対象としており、調整ねじ２８と、調整ねじ２８で往復操作される調整ピース２９と、調整ピース２９とランナー軸７の受動片２２との間に配置した伝動体３０と、第１・第２の軸受体３１・３２とガイド溝１７などで構成する。 The height adjustment mechanism targets the runner shaft 7 and is arranged between the adjustment screw 28, the adjustment piece 29 reciprocated by the adjustment screw 28, and the adjustment piece 29 and the passive piece 22 of the runner shaft 7. The transmission body 30 includes first and second bearing bodies 31 and 32, a guide groove 17, and the like.

調整ねじ２８は、操作頭部３５と、操作頭部３５に連続するねじ軸３６と、ねじ軸３６より小径の支軸３７とを備えており、ねじ軸３６の基部に外嵌した平座金状の第１軸受体３１と、支軸３７を支持する第２軸受体３２とで回転自在に軸支してある。第２軸受体３２は逆台形状のプラスチックブロックからなり、その上下中央に支軸３７用の軸受穴３３が貫通する状態で形成してある。調整ねじ２８に第１・第２の軸受体３１・３２を組み付け、第１軸受体３１を調整穴１６の装填溝３８に差し込み装着し、さらに、第２軸受体３２を調整穴１６の内奥に装着することにより、調整ねじ２８が回転のみ自在に支持される。この状態の調整ねじ２８の中心軸は、軸穴１５ヘ向かって上り傾斜している。図４に示すように調整穴１６は、操作頭部３５を収容する傾斜下端側の丸穴と、ねじ軸３６や第２軸受体３２および調整ピース２９を収容する断面が四角形の角穴とからなる。 The adjustment screw 28 includes an operation head 35, a screw shaft 36 continuous to the operation head 35, and a support shaft 37 having a smaller diameter than the screw shaft 36, and is a plain washer that is externally fitted to the base of the screw shaft 36. The first bearing body 31 and the second bearing body 32 that supports the support shaft 37 are rotatably supported. The second bearing body 32 is made of an inverted trapezoidal plastic block, and is formed in a state in which a bearing hole 33 for the support shaft 37 penetrates in the center in the vertical direction. The first and second bearing bodies 31 and 32 are assembled to the adjustment screw 28, the first bearing body 31 is inserted into the loading groove 38 of the adjustment hole 16, and the second bearing body 32 is inserted into the inner hole of the adjustment hole 16. By attaching to the adjustment screw 28, the adjustment screw 28 is supported only freely. The central axis of the adjusting screw 28 in this state is inclined upward toward the shaft hole 15. As shown in FIG. 4, the adjustment hole 16 includes a round hole on the inclined lower end side that accommodates the operation head 35, and a square hole having a rectangular cross section that accommodates the screw shaft 36, the second bearing body 32, and the adjustment piece 29. Become.

調整ピース２９は、調整ねじ２８のねじ軸３６に噛み合う四角形状の雌ねじ部４０と、雌ねじ部４０から突設される前後一対の操作腕４１とを一体に備えたダイキャスト成形品からなる。雌ねじ部４０にはねじ軸３６に噛み合うねじ穴４２が形成してある。先の第２軸受体３２の前後厚みは、前後一対の操作腕４１の対向間隔より僅かに小さく設定してある。ねじ軸３６にねじ込んだ調整ピース２９を、調整ねじ２８とともに調整穴１６に組み込んだ状態では、前後一対の操作腕４１の突端が、ガイド溝１７内へ入り込んでいる。 The adjustment piece 29 is formed of a die-cast molded product integrally including a rectangular female screw portion 40 that meshes with the screw shaft 36 of the adjustment screw 28 and a pair of front and rear operation arms 41 that protrude from the female screw portion 40. The female thread portion 40 is formed with a screw hole 42 that meshes with the screw shaft 36. The front-rear thickness of the second bearing body 32 is set slightly smaller than the facing distance between the pair of front and rear operation arms 41. In a state where the adjustment piece 29 screwed into the screw shaft 36 is incorporated into the adjustment hole 16 together with the adjustment screw 28, the protruding ends of the pair of front and rear operation arms 41 enter the guide groove 17.

伝動体３０は、断面が円形の転動体と、密巻きしたばね体と、屈曲可能なワイヤーと、屈曲可能なフレキシブル軸と、屈曲可能なチェーンリンクと、屈曲可能なばね板と、ボールチェーンの少なくともいずれかひとつを伝動要素にして構成する。この実施例では、４個のボール（鋼球）４４を伝動要素にして伝動体３０を構成し、２組の伝動体３０をランナー軸７の対向する周面に分離配置した。詳しくは、４個のボール（転動体）４４を平坦面２０に接する状態でランナー軸７の前後に配置して、ガイド溝１７で移動案内するようにした。 The transmission body 30 includes a rolling element having a circular cross section, a closely wound spring body, a bendable wire, a bendable flexible shaft, a bendable chain link, a bendable spring plate, and a ball chain. At least one of them is configured as a transmission element. In this embodiment, the transmission body 30 is configured by using four balls (steel balls) 44 as transmission elements, and the two sets of transmission bodies 30 are separately arranged on the opposing peripheral surfaces of the runner shaft 7. Specifically, four balls (rolling elements) 44 are arranged in front of and behind the runner shaft 7 in contact with the flat surface 20 and are guided to move by the guide groove 17.

ガイド溝１７は断面コ字状の溝からなり、ランナー軸７の受動片２２の上下動を許す上直線溝４７と、調整ピース２９の操作腕４１の往復動を許す斜めの下直線溝４８と、これらの直線溝４７・４８の間に設けられる変向溝４９とでへ字状に形成してある。このように、ガイド溝１７をへ字状に形成すると、４個のボール４４を入出力端間の中途部で屈曲させて、調整ねじ２８のねじ込み動作を、伝動体３０でランナー軸７の上下動作に直接変換することができる。 The guide groove 17 is a groove having a U-shaped cross section, and includes an upper straight groove 47 that allows the passive piece 22 of the runner shaft 7 to move up and down, and an oblique lower straight groove 48 that allows the operation arm 41 of the adjustment piece 29 to reciprocate. A diverting groove 49 provided between the linear grooves 47 and 48 is formed in a hemisphere shape. Thus, when the guide groove 17 is formed in a U-shape, the four balls 44 are bent at the midway between the input and output ends, and the screwing operation of the adjusting screw 28 is performed by the transmission body 30 on the upper and lower sides of the runner shaft 7. It can be converted directly into motion.

ガイド溝１７の溝幅は、ボール４４の直径に僅かな余裕寸法を加えた寸法に設定してあり、例えば、操作腕４１に外接する入力端のボール４４が調整ピース２９で変向溝４９へ向かって押し込み操作されるとき、４個のボール４４は同時に転がり移動する。このときの入力端のボール４４の移動量と、受動片２２に外接する出力端のボール４４の移動量とは同じである。また、４個のボールは殆ど隙間のない状態で連続しているので、入出力端のボール４４の動きに動作遅れを生じることはない。 The groove width of the guide groove 17 is set to a dimension obtained by adding a slight margin to the diameter of the ball 44. For example, the ball 44 at the input end that circumscribes the operating arm 41 is transferred to the turning groove 49 by the adjustment piece 29. When pushed in, the four balls 44 roll and move at the same time. The amount of movement of the ball 44 at the input end at this time is the same as the amount of movement of the ball 44 at the output end that circumscribes the passive piece 22. Further, since the four balls are continuous with almost no gap, there is no operation delay in the movement of the ball 44 at the input / output end.

図１および図３に示すように、高さ調整機構とランナー軸７をボディ１０に組み込んだ状態においては、上直線溝４７および変向溝４９の開口面は、ランナー軸７の前後の平坦面２０で塞がれており、下直線溝４８の開口面は、第２軸受体３２の前後面で塞がれている。したがって、ボール４４がガイド溝１７から脱落することはなく、４個のボール４４をガイド溝１７に沿って的確に移動できる。図１に示すように、出力端のボール４４がガイド溝１７の変向溝４９に位置している状態では、受動片２２は上直線溝４７の下部に位置しており、操作腕４１の突端は下直線溝４８の調整穴１６寄りに位置している。また、調整ピース２９の雌ねじ部４０は、第１軸受体３２の近傍に位置している。このときの戸パネルＰ１・Ｐ２の上面は、ガイドレール１から最も遠く離れた位置にある。 As shown in FIGS. 1 and 3, when the height adjusting mechanism and the runner shaft 7 are incorporated in the body 10, the opening surfaces of the upper straight groove 47 and the turning groove 49 are flat surfaces before and after the runner shaft 7. 20, and the opening surface of the lower straight groove 48 is closed by the front and rear surfaces of the second bearing body 32. Therefore, the balls 44 do not fall out of the guide grooves 17, and the four balls 44 can be accurately moved along the guide grooves 17. As shown in FIG. 1, in a state where the ball 44 at the output end is positioned in the turning groove 49 of the guide groove 17, the passive piece 22 is positioned below the upper straight groove 47 and the protruding end of the operating arm 41. Is located closer to the adjustment hole 16 of the lower straight groove 48. The female thread portion 40 of the adjustment piece 29 is located in the vicinity of the first bearing body 32. At this time, the upper surfaces of the door panels P1 and P2 are located farthest from the guide rail 1.

上記の状態から、操作頭部３５にあてがったドライバーＴで調整ねじ２８を緩み側へ回転操作すると、図３に示すように、雌ねじ部４０がねじ軸３６の基端部分から中途部へ移動し、その分だけ操作腕４１が下直線溝４８の内部へ進入する。また、操作腕４１の進入寸法と同じ距離だけ、４個のボール４４が同時に移動して、出力端に位置するボール４４によって、ランナー軸７が伝動体３０を介して上向きに押し上げられる。その結果、図１において実線位置にあった戸パネルＰ１・Ｐ２は想像線で示すように上方へ移動し、ガイドレール１との上下間隔が小さくなる。この状態から、調整ねじ２８をねじ込み操作すると、雌ねじ部４０がねじ軸３６の基端部分へ近づくので、ランナー軸７が伝動体３０とともに下降し、戸パネルＰ１・Ｐ２はより低い位置へ調整移動することになる。 When the adjustment screw 28 is rotated to the loose side by the driver T applied to the operation head 35 from the above state, the female screw portion 40 moves from the proximal end portion of the screw shaft 36 to the middle portion as shown in FIG. The operation arm 41 enters the lower straight groove 48 by that amount. Further, the four balls 44 move simultaneously by the same distance as the approaching dimension of the operation arm 41, and the runner shaft 7 is pushed upward via the transmission body 30 by the balls 44 positioned at the output end. As a result, the door panels P1 and P2 located at the solid line position in FIG. 1 move upward as indicated by the imaginary line, and the vertical distance from the guide rail 1 is reduced. When the adjustment screw 28 is screwed in from this state, the female screw portion 40 approaches the proximal end portion of the screw shaft 36, so that the runner shaft 7 is lowered together with the transmission 30 and the door panels P1, P2 are adjusted and moved to lower positions. Will do.

以上のように、回転可能に支持した調整ねじ２８のねじ込み動作を、調整ピース２９と伝動体３０でランナー軸７に直接伝動する高さ調整機構によれば、従来のこの種の調整機構に比べて動作変換構造を簡素化できる。これは、調整ねじ２８の調整動作を４個のボール４４でランナー軸７に直接伝動できるうえ、４個のボール４４とガイド溝１７との協同作用で、調整ねじ２８の調整動作をランナー軸７の調整移動方向へ直接変換できるからである。また、動作変換構造を簡素化できる分だけ、全体コストを削減しながら、動作変換構造が占める空間をより小さくして走行部５Ａを小形化しコンパクト化できる。 As described above, according to the height adjusting mechanism that directly transmits the screwing operation of the adjusting screw 28 that is rotatably supported by the adjusting piece 29 and the transmission body 30 to the runner shaft 7, compared with the conventional adjusting mechanism of this type. The operation conversion structure can be simplified. This is because the adjusting operation of the adjusting screw 28 can be directly transmitted to the runner shaft 7 by the four balls 44, and the adjusting operation of the adjusting screw 28 is controlled by the cooperative action of the four balls 44 and the guide groove 17. This is because it can be directly converted into the adjustment movement direction. Further, the travel conversion structure can be reduced in size and size by reducing the space occupied by the motion conversion structure while reducing the overall cost by the amount that can simplify the motion conversion structure.

さらに、先に説明したように、伝動体３０の入力端と出力端において動作遅れを生じる余地がないので、動作変換構造を構成する部品の寸法のばらつきに伴なう調整対象の調整動作の遅れを一掃できる。したがって、調整作業を作業者の意図どおりに的確に、しかも軽快に行なうことができる。 Further, as described above, since there is no room for causing an operation delay at the input end and the output end of the transmission body 30, a delay in the adjustment operation of the adjustment target due to the variation in the dimensions of the parts constituting the operation conversion structure. Can be wiped out. Therefore, the adjustment work can be performed accurately and lightly as intended by the operator.

（実施例２）図８は、本発明に係るランナーユニットの実施例２を示す。そこでは、高さ調整機構を、ボディ１０の調整穴１６にねじ込んだ調整ねじ２８と、２個のボール４４を伝動要素とする伝動体３０と、ランナー軸７の上端に固定した受動枠５１と、ボール４４を移動案内するガイド溝１７とで構成した。受動枠５１は、ランナー軸７を前後に貫通するピン５２で固定してあり、その上端の一側には受動片２２が張り出してある。ピン５２は、ボディ１０に設けたスライド溝５３に沿って上下動できる。軸穴１５は、受動枠５１の上下動を許す上軸穴２４と、ランナー軸７を支持する下軸穴２５とで構成してある。このように、ボディ１０にねじ込んだ調整ねじ２８でボール４４を直接移動操作する場合には、調整ピース２９を省略して高さ調整機構の構造をさらに簡素化できる。他は先の実施例と同じであるので、同じ部材に同じ符号を付してその説明を省略する。以下の実施例においても同じとする。 (Example 2) FIG. 8 shows Example 2 of the runner unit according to the present invention. The height adjusting mechanism includes an adjusting screw 28 screwed into the adjusting hole 16 of the body 10, a transmission body 30 having two balls 44 as a transmission element, and a passive frame 51 fixed to the upper end of the runner shaft 7. And a guide groove 17 for moving and guiding the ball 44. The passive frame 51 is fixed by a pin 52 penetrating the runner shaft 7 in the front-rear direction, and the passive piece 22 projects from one side of the upper end thereof. The pin 52 can move up and down along a slide groove 53 provided in the body 10. The shaft hole 15 includes an upper shaft hole 24 that allows the passive frame 51 to move up and down, and a lower shaft hole 25 that supports the runner shaft 7. As described above, when the ball 44 is directly moved by the adjustment screw 28 screwed into the body 10, the structure of the height adjustment mechanism can be further simplified by omitting the adjustment piece 29. Since others are the same as the previous embodiment, the same reference numerals are assigned to the same members, and descriptions thereof are omitted. The same applies to the following embodiments.

（実施例３）図９は、本発明に係るランナーユニットの実施例３を示す。そこでは、伝動体３０を密巻きしたばね体５５で形成し、ランナー軸７の上端に上拡がりテーパー状の受動壁５６を備えた受動枠５１をピン５２で固定した。ばね体５５はガイド溝１７に装填されて、その入力端が調整ねじ２８の軸端に外接しており、その出力端が受動壁５６に外接している。調整ねじ２８の軸端および受動壁５６には、それぞればね体５５に内嵌するばね受座が突設してある。このように、密巻きした１個のばね体５５を伝動要素とする伝動体３０によれば、高さ調整機構の構造をさらに簡素化できる。 (Example 3) FIG. 9 shows Example 3 of the runner unit according to the present invention. In this case, the transmission body 30 is formed by a tightly wound spring body 55, and the passive frame 51 having a tapered passive wall 56 extending upward at the upper end of the runner shaft 7 is fixed by a pin 52. The spring body 55 is loaded in the guide groove 17, and its input end circumscribes the shaft end of the adjusting screw 28 and its output end circumscribes the passive wall 56. On the shaft end of the adjusting screw 28 and the passive wall 56, spring receiving seats fitted into the spring body 55 are respectively projected. As described above, according to the transmission body 30 having the tightly wound one spring body 55 as a transmission element, the structure of the height adjusting mechanism can be further simplified.

実施例３のランナーユニットにおいて、密巻きしたばね体５５に代えて図１０に示すフレキシブル軸５７を適用することができる。フレキシブル軸５７は、丸線材を密巻きして形成した内ばね５８と、断面が三角形の線材を内ばね５８の外面に巻き付けて形成した外ばね５９とで構成してある。フレキシブル軸５７を伝動要素とする伝動体３０によれば、内ばね５８の外屈曲部分に隙間ができるのを外ばね５９で防いで、調整ねじ２８の調整動作を受動壁５６へ的確に伝動できる。 In the runner unit of the third embodiment, a flexible shaft 57 shown in FIG. 10 can be applied instead of the closely wound spring body 55. The flexible shaft 57 includes an inner spring 58 formed by tightly winding a round wire, and an outer spring 59 formed by winding a wire having a triangular cross section around the outer surface of the inner spring 58. According to the transmission body 30 having the flexible shaft 57 as a transmission element, the outer spring 59 prevents a gap from being formed in the outer bent portion of the inner spring 58, and the adjustment operation of the adjustment screw 28 can be accurately transmitted to the passive wall 56. .

（実施例４）図１１ないし図１３は、本発明に係る調整機構を、ボディ１０に組み込んだ前後調整機構に適用した実施例を示す。前後調整機構は、ランナー軸７を調整対象としており、図１２に示すようにボディ１０で回転自在に支持した調整ねじ２８と、調整ねじ２８で往復操作される調整ピース２９と、調整ピース２９の操作腕４１とランナー軸７の受動片２２との間に配置した伝動体３０と、伝動体３０用のガイド溝１７などで構成する。図１１に示すようにボディ１０には、ランナー軸７を前後動可能に案内する前後に長い調整溝７０が形成してあり、調整溝７０はボディ１０に固定した断面が長円状の金属管（アルミニウム管）７１で形成してある。調整溝７０は実施例１における軸穴１５に相当する。前後調整時のランナー軸７の回転を阻止するために、ランナー軸７は断面長円状に形成してある。 (Embodiment 4) FIGS. 11 to 13 show an embodiment in which the adjustment mechanism according to the present invention is applied to a front-rear adjustment mechanism incorporated in the body 10. FIG. The front-rear adjustment mechanism has the runner shaft 7 as an adjustment target. As shown in FIG. 12, the adjustment screw 28 that is rotatably supported by the body 10, the adjustment piece 29 that is reciprocated by the adjustment screw 28, and the adjustment piece 29 The transmission body 30 is disposed between the operating arm 41 and the passive piece 22 of the runner shaft 7, the guide groove 17 for the transmission body 30, and the like. As shown in FIG. 11, the body 10 is formed with a long adjustment groove 70 before and after guiding the runner shaft 7 so as to be movable back and forth, and the adjustment groove 70 is a metal tube having an oval cross section fixed to the body 10. (Aluminum tube) 71 is formed. The adjustment groove 70 corresponds to the shaft hole 15 in the first embodiment. In order to prevent rotation of the runner shaft 7 during front-rear adjustment, the runner shaft 7 is formed in an oval cross section.

伝動体３０を構成する一群のボール４４は、鍵穴形に周回するガイド溝１７に沿って装填してある。ガイド溝１７は、横臥Ｕ字状のＵ字溝７２と、先の金属管７１の周囲に沿うＣ字状のＣ字溝７３とで無端状に形成してあり、Ｕ字溝７２の前側の直線溝に臨んで、操作腕４１の左右移動を許す操作溝７４が形成してある（図１３参照）。同様に、Ｃ字溝７３の直線溝に臨んで、ランナー軸に固定した受動片２２の前後移動を許す操作溝７５が形成してある。図１３に示すように、操作腕４１は横臥Ｌ字状に形成してある。ボディ１０は、ボディ本体１０ｃと、ボディ本体１０ｃの下面に組み付けられる下前ケース１０ｄと下後ケースｅとで構成してある（図１３参照）。 A group of balls 44 constituting the transmission body 30 is loaded along the guide grooves 17 that circulate in a keyhole shape. The guide groove 17 is formed in an endless shape by a U-shaped groove 72 having a U-shaped lateral rib and a C-shaped C-shaped groove 73 along the periphery of the previous metal tube 71. An operation groove 74 that allows the left and right movement of the operation arm 41 is formed facing the straight groove (see FIG. 13). Similarly, an operation groove 75 that allows the back and forth movement of the passive piece 22 fixed to the runner shaft is formed facing the straight groove of the C-shaped groove 73. As shown in FIG. 13, the operation arm 41 is formed in a L-shaped shape. The body 10 includes a body main body 10c, a lower front case 10d and a lower rear case e assembled on the lower surface of the body main body 10c (see FIG. 13).

調整ねじ２８を緩み側へ回転操作すると、調整ピース２９がランナー軸７側へ向かって移動して、操作腕４１の右側面に外接するボール４４の一群をＣ字溝７３側へ移動させる。そのため、ランナー軸７の受動片２２はボディ１０の後面側へ移動して、ガイドレール１に対する戸パネルＰ１・Ｐ２の位置を後側へ調整移動できる。このとき、受動片２２の後面と操作腕４１の左側面との間のボール群は、Ｃ字溝７３およびＵ字溝７２に沿って周回し、操作腕４１に追随して移動する。逆に、調整ねじ２８をねじ込み操作すると、調整ピース２９がランナー軸７から遠ざかる向きへ移動するので、ボール４４の一群が上記とは逆向きに移動して、ランナー軸７を前側へ調整移動できる。この実施例においても、中途部が屈曲する伝動体３０で、操作力の伝動と動作方向の変換とを同時に行なうことができる。 When the adjustment screw 28 is rotated to the loose side, the adjustment piece 29 moves toward the runner shaft 7 side, and a group of balls 44 circumscribing the right side surface of the operation arm 41 is moved to the C-shaped groove 73 side. Therefore, the passive piece 22 of the runner shaft 7 can move to the rear surface side of the body 10 and adjust and move the positions of the door panels P1 and P2 with respect to the guide rail 1 to the rear side. At this time, the ball group between the rear surface of the passive piece 22 and the left side surface of the operating arm 41 circulates along the C-shaped groove 73 and the U-shaped groove 72 and moves following the operating arm 41. Conversely, when the adjustment screw 28 is screwed in, the adjustment piece 29 moves in a direction away from the runner shaft 7, so that a group of balls 44 moves in the opposite direction and the runner shaft 7 can be adjusted and moved forward. . Also in this embodiment, the transmission of the operating force and the conversion of the operation direction can be performed at the same time by the transmission body 30 whose middle part is bent.

図１４および図１５に上記の各実施例とは異なる高さ調整機構の参考例を示す。図１４では、ランナー軸７が固定されるボディ６２と、ボディ６２の左右に設けた揺動軸６３で上下揺動可能に軸支した左右一対のローラーアーム６４と、各ローラーアーム６４の揺動端の前後にローラー軸１２で支持したローラー１１などで走行部５Ａを構成した。ローラーアーム６４の隣接部分には、互いに噛み合うギヤ歯６５・６６が形成してあり、図１４に向かって左側のギヤ歯６５を調整ねじ２８で調整操作して、高さ調整を行なえるようにした。調整ねじ２８はボディ６２に直接ねじ込んであり、その突端でギヤ歯６５に設けた調整座６７を受け止めている。ランナー軸７はピン６８でボディ６２に固定してある。 14 and 15 show a reference example of a height adjustment mechanism different from the above embodiments. In FIG. 14, a body 62 to which the runner shaft 7 is fixed, a pair of left and right roller arms 64 pivotally supported by swing shafts 63 provided on the left and right of the body 62, and swing of each roller arm 64. The traveling portion 5A was constituted by rollers 11 supported by a roller shaft 12 before and after the end. Gear teeth 65 and 66 that mesh with each other are formed in adjacent portions of the roller arm 64, and the height adjustment can be performed by adjusting the gear teeth 65 on the left side with the adjusting screw 28 toward FIG. did. The adjustment screw 28 is screwed directly into the body 62 and receives an adjustment seat 67 provided on the gear tooth 65 at its protruding end. The runner shaft 7 is fixed to the body 62 with a pin 68.

図１４に示す状態から調整ねじ２８を緩めると、左右のローラーアーム６４が調整ねじ２８に追随して同時に揺動しようとする。このとき、ローラー１１は戸パネルＰ１・Ｐ２の重量を支えてガイドレール１のレール壁８で受け止められている。そのため、ローラー１１が揺動することはなく、ローラーアーム６４の揺動量に相当する距離をボディ６２が下降して吸収する。逆に、調整ねじ２８をねじ込み操作するとボディ６２が上昇する。したがって、調整ねじ２８の締緩操作によって、戸パネルＰ１・Ｐ２の高さを調整することができる。この走行部５Ａは、ローラー１１とボディ６２とが相対的に上下揺動することで高さ調整を行なう点が従来の走行部と大きく異なる。 When the adjustment screw 28 is loosened from the state shown in FIG. 14, the left and right roller arms 64 follow the adjustment screw 28 and try to swing simultaneously. At this time, the roller 11 is supported by the rail wall 8 of the guide rail 1 while supporting the weight of the door panels P1 and P2. Therefore, the roller 11 does not swing, and the body 62 descends and absorbs a distance corresponding to the swing amount of the roller arm 64. Conversely, when the adjustment screw 28 is screwed in, the body 62 rises. Therefore, the height of the door panels P1 and P2 can be adjusted by the tightening and loosening operation of the adjusting screw 28. The traveling unit 5A is greatly different from the conventional traveling unit in that the height is adjusted by relatively swinging the roller 11 and the body 62 up and down.

図１５の走行部５Ａは、図１４の走行部５Ａと同様にローラー１１とボディ６２とが相対的に上下揺動することで高さ調整を行なうが、左右一対のローラーアーム６４を１個の揺動軸６３で軸支する点が異なる。詳しくは、左右一対のローラーアーム６４を交差させ、交差部分を共通する１個の揺動軸６３で軸支して、各ローラーアーム６４を揺動可能に支持した。さらに、図１５へ向かって左側のローラーアーム６４に調整ねじ２８をねじ込んで、右側のローラーアーム６４に設けた調整座６７を調整ねじ２８の突端で受け止めるようにした。この高さ調整機構では、調整ねじ２８をねじ込むと、左側のローラーアーム６４と調整座６７との間隔が大きくなり、調整ねじ２８を緩めると先の間隔が小さくなる。このローラーアーム６４の揺動によって、戸パネルＰ１・Ｐ２の高さを調整することができる。 The traveling unit 5A in FIG. 15 adjusts the height by relatively swinging the roller 11 and the body 62 in the same manner as the traveling unit 5A in FIG. The point which is pivotally supported by the swing shaft 63 is different. Specifically, the pair of left and right roller arms 64 are crossed, and the intersecting portions are pivotally supported by a single swinging shaft 63 so that each roller arm 64 is swingably supported. Further, the adjustment screw 28 is screwed into the left roller arm 64 toward FIG. 15, and the adjustment seat 67 provided on the right roller arm 64 is received by the protruding end of the adjustment screw 28. In this height adjustment mechanism, when the adjustment screw 28 is screwed in, the distance between the left roller arm 64 and the adjustment seat 67 increases, and when the adjustment screw 28 is loosened, the previous distance decreases. By swinging the roller arm 64, the height of the door panels P1 and P2 can be adjusted.

図１４および図１５の走行部５Ａは次の形態で実施することができる。
ガイドレール１で走行案内される走行部５Ａが、ボディ６２と、ボディ６２で上下揺動可能に支持された一対のローラーアーム６４と、各ローラーアーム６４で軸支したローラー１１とを備えており、
一方のローラーアーム６４を調整ねじ２８で調整操作して、一対のローラーアーム６４とローラー１１とを、ボディ６２に対して相対的に上下揺動できるランナーユニット。 14 and 15 can be implemented in the following manner.
The traveling unit 5A guided by the guide rail 1 includes a body 62, a pair of roller arms 64 supported by the body 62 so as to be swingable up and down, and a roller 11 pivotally supported by each roller arm 64. ,
A runner unit capable of swinging up and down relatively with respect to the body 62 by adjusting one roller arm 64 with the adjusting screw 28.

左右一対のローラーアーム６４が、ボディ６２の左右に設けた揺動軸６３で上下揺動可能に支持されており、
両ローラーアーム６４は、隣接部分に設けたギヤ歯６５・６６を介して連動可能に連結されており、
一方のギヤ歯６５に設けた調整座６７が、ボディ６２にねじ込んだ調整ねじ２８の突端で受け止められており、
調整座６７を備えたローラーアーム６４を調整ねじ２８で調整操作して、一対のローラーアーム６４とローラー１１とを、ボディ６２に対して相対的に上下揺動できるランナーユニット。 A pair of left and right roller arms 64 are supported by swing shafts 63 provided on the left and right of the body 62 so as to be swingable up and down.
Both roller arms 64 are connected so as to be interlocked via gear teeth 65 and 66 provided in adjacent portions.
An adjustment seat 67 provided on one gear tooth 65 is received by the tip of the adjustment screw 28 screwed into the body 62,
A runner unit capable of vertically swinging the pair of roller arms 64 and the roller 11 relative to the body 62 by adjusting the roller arm 64 provided with the adjustment seat 67 with the adjustment screw 28.

左右一対のローラーアーム６４を交差させ、交差部分をボディ６２に設けた１個の揺動軸６３で軸支して、各ローラーアーム６４が揺動可能に支持支持されており、
いずれか一方のローラーアーム６４にねじ込んだ調整ねじ２８の突端で、他方のローラーアーム６４に設けた調整座６７が受け止められており、
調整座６７を備えたローラーアーム６４を調整ねじ２８で調整操作して、一対のローラーアーム６４とローラー１１とを、ボディ６２に対して相対的に上下揺動できるランナーユニット。 A pair of left and right roller arms 64 are intersected, and the intersecting portion is pivotally supported by one swing shaft 63 provided on the body 62, and each roller arm 64 is supported and supported so as to be swingable.
An adjustment seat 67 provided on the other roller arm 64 is received at the tip of the adjustment screw 28 screwed into one of the roller arms 64,
A runner unit capable of vertically swinging the pair of roller arms 64 and the roller 11 relative to the body 62 by adjusting the roller arm 64 provided with the adjustment seat 67 with the adjustment screw 28.

実施例１では、複数個のボール４４を伝動要素にして伝動体３０を構成したが、ボール４４に代えて、複数個のローラー（転動体）を伝動要素にして伝動体３０を構成することができる。また、ローラー周面の一定位置に周回溝を形成しておき、複数個のローラーを列状に配置したのち、周回溝に巻き掛けたバンドでローラー列を一体化することができる。ボール４４とローラーを組み合わせて伝動体３０を構成してもよい。 In the first embodiment, the transmission body 30 is configured by using a plurality of balls 44 as transmission elements. However, the transmission body 30 may be configured by using a plurality of rollers (rolling bodies) as transmission elements instead of the balls 44. it can. In addition, a circumferential groove is formed at a certain position on the circumferential surface of the roller, and after arranging a plurality of rollers in a row, the roller row can be integrated with a band wound around the circumferential groove. You may comprise the transmission body 30 combining the ball | bowl 44 and a roller.

実施例３では、密巻きしたばね体５５を伝動要素にして伝動体３０を構成したが、密巻きしたばね体５５に代えて屈曲可能なワイヤーや、屈曲可能なチェーンリンクや、屈曲可能なばね板や、ボールチェーンを適用することができ、必要があれば先の転動体と組み合わせて伝動体３０を構成できる。金属線材を編み込んで形成される屈曲可能なワイヤーを伝動要素とする場合には、その入力端および出力端に金属製のキャップを外嵌固定しておくとよい。屈曲可能なばね板を伝動要素とする場合には、その板厚を基準にしてガイド溝１７を形成しておく。 In the third embodiment, the transmission body 30 is configured by using the closely wound spring body 55 as a transmission element. However, instead of the closely wound spring body 55, a bendable wire, a bendable chain link, or a bendable spring is used. A plate or a ball chain can be applied, and if necessary, the transmission 30 can be configured in combination with the previous rolling element. When a bendable wire formed by braiding a metal wire is used as a transmission element, a metal cap is preferably fitted and fixed to its input end and output end. When a bendable spring plate is used as a transmission element, the guide groove 17 is formed based on the plate thickness.

調整軸部２１は、断面が四角形である必要はなく、少なくとも前後一対の平坦面２０を備えていればよい。丸ピンの両端を断面半円状に切削しておき、これをランナー軸７に圧嵌固定して受動片２２を形成することができる。軸穴１５は、ボディ１０を上下に貫通する状態で形成してあってもよい。ボディ１０は、中央のケースと、同ケースの前後面に固定される前ケースおよび後ケースの３個の部品で構成することができる。ローラー１１は走行部５Ａの前後に４個設ける必要はなく、少なくとも１個あればよい。ガイド溝１７は断面が円形であってもよい。 The adjustment shaft portion 21 does not need to have a quadrangular cross section, and may have at least a pair of front and rear flat surfaces 20. The passive pin 22 can be formed by cutting both ends of the round pin into a semicircular cross section and press-fitting it to the runner shaft 7. The shaft hole 15 may be formed so as to penetrate the body 10 vertically. The body 10 can be composed of a central case and three parts, a front case and a rear case fixed to the front and rear surfaces of the case. It is not necessary to provide four rollers 11 before and after the traveling unit 5A, and at least one roller 11 may be provided. The guide groove 17 may have a circular cross section.

本発明のランナーユニットは、上吊型の折戸以外に、下荷重型の折戸や引戸などを支持する戸車型のランナーユニットにも適用できる。 The runner unit of the present invention can be applied to a door type runner unit that supports a lower load type folding door, a sliding door, and the like in addition to the upper hanging type folding door.

１ガイドレール
５ランナーユニット
５Ａ走行部
５Ｂ装着部
７ランナー軸（調整対象）
１０ボディ
１５軸穴
１６調整穴
１７ガイド溝
２０平坦面
２２受動片
２８調整ねじ
２９調整ピース
３０伝動体
４４ボール
４７上直線溝
４８下直線溝
４９変向溝 1 Guide rail 5 Runner unit 5 A Traveling part 5 B Mounting part 7 Runner shaft (target to be adjusted)
DESCRIPTION OF SYMBOLS 10 Body 15 Shaft hole 16 Adjustment hole 17 Guide groove 20 Flat surface 22 Passive piece 28 Adjustment screw 29 Adjustment piece 30 Transmission body 44 Ball 47 Upper straight groove 48 Lower straight groove 49 Turning groove

Claims

An adjustment mechanism for adjusting the height and front / rear position of the door panels (P1, P2) is incorporated in the runner unit (5) guided by the guide rail (1).
The adjustment mechanism includes an adjustment screw (28) rotatably supported, and a transmission body (30) that directly transmits the screwing operation of the adjustment screw (28) to the adjustment target (7).
A transmission body (30) having a circular cross section, a tightly wound spring body (55), a bendable wire, a bendable flexible shaft (57), a bendable chain link, and a bendable spring plate; It is configured with at least one selected from the ball chain as a transmission element,
A runner unit characterized in that the transmission body (30) is arranged in a state where the midway portion is bent, and the adjustment operation of the adjustment screw (28) can be directly converted into the adjustment movement direction of the adjustment object (7).

A traveling portion (5A) that is guided by the guide rail (1), a mounting portion (5B) that is mounted on the door panel (P1, P2), and a runner shaft (7) that couples both (5A, 5B). A suspended-runner unit equipped with
A height adjustment mechanism for adjusting the runner shaft (7) is assembled to the body (10) of the traveling part (5A),
The height adjustment mechanism includes an adjustment screw (28), a transmission body (30) composed of a plurality of balls (44) or a plurality of rollers, and a guide groove (17) for receiving the transmission body (30). Item 2. The runner unit according to item 1.

The height adjustment mechanism includes an adjustment screw (28) that is rotatably supported by the body (10) of the traveling unit (5A), an adjustment piece (29) that is reciprocated by the adjustment screw (28), and an adjustment piece ( 29) and two sets of transmission bodies (30) arranged between the passive piece (22) of the runner shaft (7),
The runner unit according to claim 1 or 2, wherein two sets of transmission bodies (30) are separately arranged on opposing circumferential surfaces of the runner shaft (7).

The body (10) of the traveling part (5A) is configured by joining front and rear cases (10a, 10b) divided by a vertical plane passing through the axis center of the runner shaft (7),
Facing the dividing surface of the front and rear cases (10a, 10b), a shaft hole (15) for accommodating the runner shaft (7), an adjustment hole (16) for accommodating the adjustment screw (28) and the adjustment piece (29), The runner unit according to claim 2 or 3, wherein a guide groove (17) for accommodating the transmission body (30) is formed.

The guide groove (17) allows the reciprocating motion of the upper arm groove (47) that allows the passive piece (22) of the runner shaft (7) to move up and down and the operating arm (41) provided on the adjustment piece (29). The runner unit according to claim 2, 3 or 4, wherein the linear groove (48) and a turning groove (49) provided between the linear grooves (47, 48) are formed in a heft shape.

The adjustment screw (28) is rotatably supported by the first and second bearing bodies (31, 32) loaded in the adjustment hole (16),
The adjustment piece (29) is engaged with the screw shaft (36) of the adjustment screw (28) and the pair of front and rear operation arms projecting from the female screw portion (40) and receiving the transmission body (30) (41) and the runner unit according to any one of claims 3 to 5.

An adjustment shaft portion (21) having a flat surface (20) parallel to the front and rear is provided on the top of the round shaft-shaped runner shaft (7),
A pair of front and rear passive pieces (22) are formed in a projecting manner on the flat surface (20) of the adjustment shaft portion (21).
The opening of the upper straight groove (47) and the turning groove (49) of the guide groove (17) is blocked by the flat surface (20) of the adjustment shaft portion (21). Runner unit.

A suspension vehicle provided with a traveling part (5A) guided by the guide rail (1), a mounting part (5B) attached to the door panels (P1 and P2), and a runner shaft (7) connecting both of them. Type runner unit,
A height adjustment mechanism for adjusting the runner shaft (7) is assembled to the traveling part (5A),
The height adjusting mechanism is disposed between the adjusting screw (28) screwed into the body (10) of the traveling portion (5A), and the adjusting screw (28) and the passive wall (56) of the runner shaft (7). It consists of a transmission body (30),
The transmission body (30) is at least one selected from a closely wound spring body (55), a bendable wire, a bendable flexible shaft (57), a bendable chain link, a bendable spring plate, and a ball chain. The runner unit according to any one of claims 1, 3, 4, 5, and 7, wherein one of the transmission elements is a transmission element.