JPH11172999A - Braking device for slide door - Google Patents
Braking device for slide doorInfo
- Publication number
- JPH11172999A JPH11172999A JP34329997A JP34329997A JPH11172999A JP H11172999 A JPH11172999 A JP H11172999A JP 34329997 A JP34329997 A JP 34329997A JP 34329997 A JP34329997 A JP 34329997A JP H11172999 A JPH11172999 A JP H11172999A
- Authority
- JP
- Japan
- Prior art keywords
- wheel
- friction
- sliding door
- members
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Support Devices For Sliding Doors (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、例えば引戸に下框
に取りつけられる戸車の車輪を減速させる、引戸用制動
装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a braking device for a sliding door, for example, which slows down wheels of a door wheel mounted on a lower frame of a sliding door.
【０００２】[0002]
【従来の技術】近年、住宅等でにおいて、引戸に装着さ
れる戸車の車輪も低摩擦で非常に円滑に回転できるよう
になっている。このため、引戸を開閉する操作力として
は、３００〜５００ｇ程度と非常に軽くなっている。こ
の引戸を閉める時、勢い良く閉めると柱等に当たった際
に大きな衝撃音がしたり、手などが挟まれたりするおそ
れがあった。また、引戸が強く柱に当たった衝撃で、引
戸が開いてしまうことがあり、暖房や冷房効果が悪くな
るおそれもあった。2. Description of the Related Art In recent years, in houses and the like, wheels of a door roller mounted on a sliding door can be rotated very smoothly with low friction. For this reason, the operating force for opening and closing the sliding door is as very light as about 300 to 500 g. When closing the sliding door, if it is closed vigorously, there is a possibility that a loud impact sound may be made when hitting a pillar or the like, or a hand or the like may be pinched. Further, the sliding door may be opened by an impact of the sliding door strongly hitting the pillar, and the heating and cooling effects may be deteriorated.
【０００３】さらに、建て付けが悪いために、上記引戸
を案内する敷居が、上記引戸を開閉させる方向に傾斜し
ている場合があるが、例えば敷居が１°傾斜している場
合、４０ｋｇの重さを持つ引戸であっても、閉じ状態に
停止していることができず、自然に開いてしまうおそれ
もある。そこで、引戸の上部側にエアーダンパーを取り
付けて、柱への衝撃を緩和させる構成の引戸開閉装置が
提供されている（例えば実開平１−１１４７７６号公報
参照）。この開閉装置では、引戸がシリンダーロッドに
連結されており、引戸を閉める時、エアーダンパーによ
る抵抗力を引戸に付与して移動速度を低下させるように
している。Further, the threshold for guiding the sliding door may be inclined in a direction in which the sliding door is opened and closed because of poor construction. For example, when the threshold is inclined by 1 °, a weight of 40 kg is required. Even if the sliding door has a certain height, it may not be able to stop in the closed state and may open naturally. Therefore, there is provided a sliding door opening / closing device having a configuration in which an air damper is attached to an upper side of the sliding door to reduce impact on a pillar (for example, see Japanese Utility Model Laid-Open No. 1-114776). In this opening and closing device, the sliding door is connected to the cylinder rod, and when the sliding door is closed, the sliding door is given a resistance force by an air damper to reduce the moving speed.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、この開
閉装置では、シリンダーを有するエアーダンパーを具備
しているので、衝撃装置が大がかりになると共に、減衰
力の調整が不可能で、ブレーキが効き過ぎたり、ブレー
キ力が不足したりすることがあった。なお、エアーダン
パーの空気流通量が調整可能な構造のものが開示されて
いるが、エアーの流通量を調整するための構造は、弁な
どを用いなければならず、構造が複雑になるという問題
があった。However, since this opening and closing device is provided with an air damper having a cylinder, the impact device becomes large and the damping force cannot be adjusted. In some cases, the braking power was insufficient. Although an air damper having a structure capable of adjusting the amount of air flow is disclosed, the structure for adjusting the amount of air flow requires the use of a valve or the like, which makes the structure complicated. was there.
【０００５】そこで、本発明の目的は、簡単な構造であ
りながら引戸を閉鎖する際の移動速度を低下させること
ができ、さらには、引戸を開ける際には、従来同様に軽
く開けることができる引戸の制動装置を提供することで
ある。Accordingly, an object of the present invention is to reduce the moving speed when closing the sliding door while having a simple structure, and to open the sliding door lightly as in the conventional case. It is to provide a sliding door braking device.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
の課題解決手段として、請求項１記載の発明の態様は、
車輪、この車輪を回動自在に支持する支持部材、および
上記支持部材によって車輪の回りに所定の角度範囲内で
連れ回り可能に支持された連れ回り部材を含み、引戸に
装着される戸車と、連れ回り部材の走行方向側の端部と
摺接する摩擦領域をレール部材に設定する摩擦領域設定
部材とを備えることを特徴とするものである。Means for Solving the Problems As means for solving the problems to achieve the above object, the aspect of the invention described in claim 1 is as follows.
A wheel, a supporting member rotatably supporting the wheel, and a swivel member supported by the supporting member so as to be rotatable around the wheel within a predetermined angle range, and a door wheel mounted on a sliding door, A friction region setting member is provided for setting a friction region in sliding contact with an end of the follower member on the traveling direction side in the rail member.
【０００７】この態様では、引戸を閉める際に、車輪と
の間の僅かな摩擦力を介して連れ回り部材が車輪に連れ
回りし、走行方向側の端部を下降させる。下降した連れ
回り部材の走行方向側の端部が、摩擦領域に摺接し、連
れ回り部材を介して車輪に制動力が付与される。引戸を
開ける際には、車輪が僅かに回転するだけで連れ回り部
材の端部が摩擦領域から上方へ離れるので、従来と同様
に軽く開けることができる。したがって、引戸を閉める
際には十分な長さの制動距離を確保でき、しかも、引戸
を開ける際にはほんの少し引戸を移動させるだけで直ぐ
に引戸が軽く動くようになる。In this aspect, when the sliding door is closed, the rotating member rotates with the wheel via a slight frictional force between the sliding door and the wheel to lower the end in the traveling direction. The end of the descending swiveling member on the running direction side is in sliding contact with the friction region, and a braking force is applied to the wheel via the swiveling member. When the sliding door is opened, the end of the swiveling member moves upward from the friction region by slightly rotating the wheel, so that the sliding door can be opened lightly as in the related art. Therefore, when the sliding door is closed, a sufficient braking distance can be secured, and when the sliding door is opened, the sliding door can be moved lightly by moving the sliding door a little.
【０００８】また、請求項２記載の発明の態様は、請求
項１において、上記摩擦領域設定部材は、連れ回り部材
の走行方向側の端部を両側から挟み込む一対の摩擦部材
と、一対の摩擦部材間の間隔を調整する調整機構を含む
ことを特徴とするものである。この態様では、一対の摩
擦部材によって連れ回り部材の端部を両側から挟み込む
ので、大きな制動力を車輪に付与することができる。ま
た、一対の摩擦部材間の間隔を調整することにより、車
輪に付与する制動力の大きさを容易に調整することがで
きる。According to a second aspect of the present invention, in the first aspect, the friction region setting member includes a pair of friction members sandwiching the traveling direction side end of the co-rotating member from both sides, and a pair of friction members. It is characterized by including an adjusting mechanism for adjusting the interval between members. In this aspect, since the end of the rotating member is sandwiched from both sides by the pair of friction members, a large braking force can be applied to the wheel. Further, by adjusting the interval between the pair of friction members, the magnitude of the braking force applied to the wheels can be easily adjusted.
【０００９】また、請求項３記載の発明の態様は、請求
項２において、上記調整機構は、一対の摩擦部材を保持
する保持具をレール部材に固定するためのねじの締め込
み量に応じて湾曲度合を変更する弾性湾曲部を含むこと
を特徴とするものである。この態様では、ねじの操作に
よって、弾性湾曲部の湾曲度合を調整することを通じ
て、一対の摩擦部材間の間隔を容易に調整することがで
きるので、容易に制動力を調整することができる。According to a third aspect of the present invention, in the second aspect, the adjusting mechanism is configured to adjust a holding member for holding the pair of friction members to a rail member in accordance with a tightening amount of a screw for fixing the holding member to the rail member. It is characterized by including an elastic bending portion for changing the degree of bending. In this aspect, the gap between the pair of friction members can be easily adjusted by adjusting the degree of curvature of the elastic bending portion by operating the screw, so that the braking force can be easily adjusted.
【００１０】請求項４記載の発明の態様は、車輪、この
車輪を回動自在に保持する支持部材、この支持部材によ
って支持され、車輪の回りに所定の角度範囲内で連れ回
り可能な連れ回り部材、およびこの連れ回り部材の内周
面に保持された摩擦部材を含み、引戸に装着される戸車
と、上記連れ回り部材の走行方向側の端部を介して摩擦
部材を車輪に押圧するように相対的に高さを高くしたブ
レーキ領域をレール部材に設定するブレーキ領域設定部
材とを備えることを特徴とするものである。According to a fourth aspect of the present invention, there is provided a wheel, a support member for rotatably holding the wheel, and a co-rotation supported by the support member and rotatable around the wheel within a predetermined angle range. A member, and a friction member held on the inner peripheral surface of the accompanying member, and a door wheel mounted on the sliding door, and the friction member is pressed against the wheel via an end of the accompanying member on the traveling direction side. And a brake region setting member that sets a brake region having a relatively high height as a rail member.
【００１１】この態様では、引戸を閉める際に、摩擦部
材による僅かな摩擦力を介して連れ回り部材が車輪に連
れ回りし、走行方向側の端部を下降させる。下降した連
れ回り部材の走行方向側の端部が、相対的に高さの高い
ブレーキ領域に到達すると、上記連れ回り部材の走行方
向側の端部を介して、摩擦部材が車輪に押圧されること
により、車輪に制動力が付与される。引戸を開ける際に
は、車輪が僅かに回転するだけで連れ回り部材の端部が
ブレーキ領域から離れるので、従来と同様に軽く開ける
ことができる。In this embodiment, when the sliding door is closed, the rotating member is rotated by the wheel by a slight frictional force of the friction member, and the end in the traveling direction is lowered. When the traveling direction end of the descending swiveling member reaches the relatively high braking area, the friction member is pressed against the wheel via the traveling direction side end of the swiveling member. Thereby, a braking force is applied to the wheels. When the sliding door is opened, the end of the rotating member is separated from the brake area only by slightly rotating the wheel, so that the sliding door can be opened lightly as in the related art.
【００１２】なお、ブレーキ領域により押圧される連れ
回り部材の端部は、車輪の径方向への変位を自在とした
自由端部であることが必要である。また、ブレーキ領域
により押圧される連れ回り部材の端部が、自由状態にお
いて摩擦部材の車輪への押圧を略解除できる姿勢に復帰
できるだけの弾性を、連れ回り部材が持っていることが
必要である。It is necessary that the end of the rotating member pressed by the brake area is a free end that allows free displacement of the wheel in the radial direction. In addition, it is necessary that the end portion of the rotating member pressed by the brake region has elasticity enough to return to a posture in which the pressing of the friction member against the wheel can be substantially released in the free state. .
【００１３】また、請求項５記載の発明の態様は、請求
項４において、上記連れ回り部材はヒンジ軸を介して互
いに連結された一対の部材を組み合わせてなり、これら
一対の部材は互いに連動して摩擦部材を車輪に押圧し、
また押圧を解除することを特徴とするものである。この
態様では、引戸を閉める際に、連れ回り部材を構成する
一対の部材がそれぞれ摩擦部材を車輪に押圧するので、
大きなブレーキ力を達成することができる一方、引戸を
開ける際には、一対の部材がともに摩擦部材の車輪への
押圧を解除するので、引戸を軽く開けることができる。According to a fifth aspect of the present invention, in the fourth aspect, the swiveling member is a combination of a pair of members connected to each other via a hinge shaft, and the pair of members are interlocked with each other. To push the friction member against the wheel,
In addition, the pressing is released. In this aspect, when the sliding door is closed, the pair of members constituting the swiveling member respectively press the friction members against the wheels,
While a large braking force can be achieved, when the sliding door is opened, since the pair of members both release the pressing of the friction members against the wheels, the sliding door can be opened lightly.
【００１４】また、請求項６記載の発明の態様は、車
輪、この車輪を回動自在に保持する支持部材、ヒンジ軸
を介して互いに相対回動自在に連結されると共にそれぞ
れ上記支持部材によって対応する支軸の回りに揺動自在
に支持された一対の操作部材、この操作部材の内周面に
保持された摩擦部材を含み、引戸に装着される戸車と、
上記操作部材の走行方向側の端部を介して摩擦部材を車
輪に押圧するように相対的に高さを高くしたブレーキ領
域をレール部材に設定するブレーキ領域設定部材とを備
え、上記一対の操作部材は互いに連動して摩擦部材を車
輪に押圧し、また押圧を解除することを特徴とするもの
である。According to a sixth aspect of the present invention, there is provided a wheel, a support member for rotatably holding the wheel, and a wheel rotatably connected to each other via a hinge shaft, and each of the wheels is supported by the support member. A pair of operating members swingably supported around a supporting shaft, including a friction member held on the inner peripheral surface of the operating member, and a door wheel mounted on a sliding door,
A brake region setting member for setting a brake region having a relatively high height to a rail member so as to press a friction member against a wheel via an end of the operation member on the traveling direction side, and a brake region setting member; The members press the friction member against the wheel in conjunction with each other, and release the pressing.
【００１５】この態様では、引戸を閉める際に、走行方
向側の操作部材の走行方向側の端部が、相対的に高さの
高いブレーキ領域に到達すると、上記走行方向側の操作
部材の走行方向側の端部を介して、摩擦部材が車輪に押
圧されることにより、車輪に制動力が付与される。この
とき、反走行方向側の操作部材も連動して摩擦部材を車
輪に押圧するので、高い制動力を働かせることができ
る。一方、引戸を開ける際には、反走行方向側の操作部
材の反走行方向側の端部がブレーキ領域設定部材との摩
擦によって、車輪から離れぎみとなるので、両操作部材
とも摩擦部材の車輪への押圧を解除する結果、従来と同
様に軽く開けることができる。なお、各操作部材の支軸
から離れた側の端部は自由端部であることが必要であ
る。In this embodiment, when the sliding door is closed, when the traveling direction end of the traveling direction operation member reaches the relatively high braking area, the traveling direction operation member moves. The braking force is applied to the wheel by pressing the friction member against the wheel via the end on the direction side. At this time, the operation member on the opposite side to the traveling direction also interlocks and presses the friction member against the wheel, so that a high braking force can be applied. On the other hand, when the sliding door is opened, the end of the operation member on the side opposite to the traveling direction on the opposite side to the traveling direction is separated from the wheel by friction with the brake area setting member. As a result, the door can be opened lightly as before. Note that the end of each operation member on the side away from the support shaft needs to be a free end.
【００１６】また、請求項７記載の発明の態様は、請求
項４，５又は６において、上記ブレーキ領域設定部材
は、レール部材に調整ねじによって上下変位調整可能に
固定された上下動部材を含むことを特徴とするものであ
る。この態様では、調整ねじを操作するだけで、ブレー
キ領域を設定する上下動部材の高さを変更して、車輪に
付与するブレーキ力を容易に調整することができる。According to a seventh aspect of the present invention, in the fourth, fifth or sixth aspect, the brake region setting member includes a vertically moving member fixed to a rail member so as to be capable of adjusting a vertical displacement by an adjusting screw. It is characterized by the following. In this aspect, the brake force applied to the wheels can be easily adjusted by changing the height of the vertically moving member that sets the brake area only by operating the adjustment screw.
【００１７】[0017]
【発明の実施の形態】本発明の好ましい実施形態を添付
図面を参照しつつ説明する。図１は本発明の第１実施形
態としての引戸用制動装置の戸車の概略断面図であり、
図２は戸車の分解斜視図である。図３は図２のIII−III
線に沿う断面図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a schematic sectional view of a door pulley of a sliding door braking device as a first embodiment of the present invention,
FIG. 2 is an exploded perspective view of the door roller. FIG. 3 is a sectional view taken along the line III-III in FIG.
It is sectional drawing which follows a line.
【００１８】これらの図を参照して、戸車１は、引戸Ａ
の下框Ａ１の下方に開放する取付凹部Ａ２にねじ２によ
り取り付けられる取付枠体３と、車輪４を支軸５を介し
て回動自在に支持すると共に上記取付枠体３に前後方向
（図１において紙面に直交する方向）および左右方向
（図においてＸ方向およびＹ方向））に移動自在な状態
で収容される支持部材６とを備えている。With reference to these figures, a door wheel 1 has a sliding door A
A mounting frame 3 attached to a mounting recess A2 opened below the lower frame A1 by screws 2 and a wheel 4 rotatably supported via a support shaft 5 and a front-rear direction (see FIG. 1 and a support member 6 housed in a state movable in the left-right direction (X direction and Y direction in the figure).
【００１９】支持部材６には、取付枠体３からの車輪４
の下方への突出量を調整する上下調整機構７と、車輪４
の前後位置（車輪の走行方向と直交する方向の位置）を
調整する前後調整機構８とが連結されている。取付枠体
３は下部が開放された箱状をしており、取付枠体３の一
方の端部には、連結部９を介してＴ字状に連結された一
対の拡開部１０，１０が設けられている。ねじ２は連結
部９を上下に貫通するねじ孔１１を挿通して、取付凹部
Ａ１の底部にねじ込まれる。このとき、一対の拡開部１
０，１０が連結部９を支点とし曲げられ、取付枠体３の
左右方向の全長が拡大されることにより、取付枠体３が
取付凹部Ａ１内に固定されるようになっている。The support member 6 includes a wheel 4 from the mounting frame 3.
Up and down adjustment mechanism 7 for adjusting the amount of protrusion of
And a front-rear adjustment mechanism 8 that adjusts the front-rear position (position in the direction orthogonal to the traveling direction of the wheels). The mounting frame 3 has a box shape whose lower part is open, and one end of the mounting frame 3 has a pair of expanded portions 10 and 10 connected in a T-shape via a connecting portion 9. Is provided. The screw 2 is inserted into a screw hole 11 vertically passing through the connecting portion 9 and screwed into the bottom of the mounting recess A1. At this time, the pair of expanding portions 1
The mounting frames 3 are fixed in the mounting recesses A1 by bending the mounting frames 3 with the connecting portion 9 as a fulcrum and expanding the entire length of the mounting frame 3 in the left-right direction.
【００２０】また、取付枠体３の他方の端部には、上下
調整機構７の調整部１２ａ付きのねじ軸１２を挿通させ
るための挿通孔１３と、前後調整機構８の調整部１４ａ
付きの軸体１４を挿通させるための挿通孔１５が左右方
向に延びるように形成されている。また、取付枠体３の
前板３ａおよび後板３ｂの右下部には、前後調整機構８
のねじ軸１６の両端を挿通させてこれを支持する支持孔
１７がそれぞれ貫通形成されている。前，後板３ａ，３
ｂの左上部には、上下調整機構７のねじ軸１２の先端部
を空回り可能に保持するための、例えば双脚状の保持部
材１８の一対の脚部を係合させる一対の係合孔１９，１
９がそれぞれ形成されている（図２では、取付枠体３の
前板の一対の係合孔１９，１９のみ示す。）。The other end of the mounting frame 3 is provided with an insertion hole 13 through which the screw shaft 12 having the adjustment portion 12a of the vertical adjustment mechanism 7 is inserted, and an adjustment portion 14a of the front-rear adjustment mechanism 8
An insertion hole 15 for inserting the attached shaft body 14 is formed to extend in the left-right direction. A front-rear adjustment mechanism 8 is provided at the lower right of the front plate 3a and the rear plate 3b of the mounting frame 3.
A support hole 17 is formed to penetrate both ends of the screw shaft 16 and support the same. Front and rear plates 3a, 3
b, a pair of engaging holes 19 for engaging a pair of legs of a double-legged holding member 18 for holding the tip of the screw shaft 12 of the vertical adjustment mechanism 7 so as to rotate freely. , 1
9 are formed (FIG. 2 shows only a pair of engagement holes 19, 19 in the front plate of the mounting frame 3).
【００２１】支持部材６は、略矩形状の一対の板状体２
０，２０が対向配置され短片側の一部が接続されて平面
視で略コ字状に形成されているもので、各板状体２０の
図においての右下部にはねじ孔２１がそれぞれ形成さ
れ、各ねじ孔２１に前後調整機構８のねじ軸１６が挿通
されねじ結合されている。ねじ孔２１は例えば各板状体
２０の内面に溶接されたナットにより構成しても良い。The support member 6 includes a pair of substantially rectangular plate-like members 2.
Reference numerals 0 and 20 are opposed to each other, and a part of the short side is connected to form a substantially U-shape in plan view. A screw hole 21 is formed in the lower right portion of each plate 20 in the drawing. The screw shaft 16 of the front-rear adjustment mechanism 8 is inserted into each screw hole 21 and screwed. The screw holes 21 may be formed by, for example, nuts welded to the inner surface of each plate-shaped body 20.
【００２２】また、各板状体２０の左下部には、車輪４
の支軸５を回動自在に支持する支持孔２２がそれぞれ形
成されている。各板状体２０の略中央部には、それぞれ
支持孔２３が形成され、各支持孔２３は、後述する連れ
回り部材２４の円弧状孔２５に挿通されて連れ回り部材
２４が車輪４に連れ回りできる角度範囲を所定角度幅θ
に規制するピン２６の両端を支持する。各板状体２０の
右上部には、上下調整機構７の可動筒軸２７を挿通させ
るように、上下に延びて上方に開放する切欠溝２８がそ
れぞれ形成されている。両板状体２０，２０をを連結す
る部分の上部には、上下調整機構７のねじ軸１２を挿通
させる挿通孔２９が形成されている。The wheel 4 is located at the lower left of each plate 20.
Support holes 22 for rotatably supporting the support shafts 5 are formed. A support hole 23 is formed at a substantially central portion of each plate-shaped body 20, and each support hole 23 is inserted into an arc-shaped hole 25 of a rotation member 24, which will be described later, so that the rotation member 24 moves with the wheel 4. The angle range that can be turned is specified angle width θ
The both ends of the pin 26 that regulates the pressure are supported. Notched grooves 28 extending vertically and opening upward are formed in the upper right portion of each plate-shaped body 20 so as to allow the movable cylinder shaft 27 of the vertical adjustment mechanism 7 to pass therethrough. An insertion hole 29 through which the screw shaft 12 of the up-down adjustment mechanism 7 is inserted is formed in an upper portion of a portion connecting the two plate-shaped members 20.
【００２３】上下調整機構７は、調整部１２ａを有し左
右方向（車輪４の走行方向）に延びる上記ねじ軸１２
と、前後に延び、上記ねじ軸１２を径方向に挿通させて
これにねじ結合すると共に、支持部材６に形成された上
下に延びる切欠溝２８に嵌め入れられた上記可動筒軸２
７とを備えている。可動筒軸２７は、軸方向に沿うすり
割りを有するものからなり、径方向に貫通するねじ孔３
０を形成している。The vertical adjusting mechanism 7 has an adjusting portion 12a and extends in the left-right direction (the running direction of the wheels 4).
The movable cylinder shaft 2 extending in the front-rear direction, is inserted through the screw shaft 12 in the radial direction and screwed thereto, and is fitted into a vertically extending notch groove 28 formed in the support member 6.
7 is provided. The movable cylinder shaft 27 has a slit along the axial direction, and has a screw hole 3 penetrating in the radial direction.
0 is formed.
【００２４】上下調整機構７の調整部１２ａはねじ軸１
２の頭部に設けられた十字溝等からなり、引戸ａの下框
Ａ１の操作用孔Ａ３を通して挿通されるドライバ等によ
り、回動操作されるようになっている。また、ねじ軸１
２の先端部の周溝１２ｂに、取付枠体３に固定された上
記保持部材１８が嵌め入れられることによって、ねじ軸
１２は軸方向（左右方向）への移動を止められた状態で
空回り可能に保持されている。調整部１２ａを回動操作
すると、ねじ軸１２の回転に伴って可動筒軸２９が左右
方向に移動し、支持部材６が前後調整機構８のねじ軸１
６を中心として揺動変位し、車輪４の上下位置が調整さ
れる。The adjustment part 12a of the vertical adjustment mechanism 7 is a screw shaft 1.
2 is provided with a cross-shaped groove or the like provided on the head of the vehicle, and is rotated by a driver or the like inserted through an operation hole A3 of the lower frame A1 of the sliding door a. Also, screw shaft 1
When the holding member 18 fixed to the mounting frame 3 is fitted into the circumferential groove 12b at the tip of the screw shaft 2, the screw shaft 12 can idle in a state where movement in the axial direction (left-right direction) is stopped. Is held in. When the adjusting portion 12a is rotated, the movable cylinder shaft 29 moves in the left-right direction with the rotation of the screw shaft 12, and the support member 6 moves the screw shaft 1 of the front-rear adjustment mechanism 8.
6, the vertical position of the wheel 4 is adjusted.
【００２５】前後調整機構８は、一端に調整部１４ａを
有し他端に第１ギア３１を有して左右方向に延びる上記
軸体１４と、第１ギア３１に噛み合う第２ギア３２を一
体回転可能に有し前後方向に延びる上記ねじ軸１６とを
備えている。このねじ軸１６は、取付枠体３に前後動不
能で且つ回動自在に支持されると共に、支持部材６に形
成されたねじ孔２１にねじ結合されている。調整部１４
ａは軸体１４の端面に設けられた例えば十字溝等からな
り、引戸ａの下框Ａ１の操作用孔Ａ４を通して挿通され
るドライバ等により、回動操作されるようになってい
る。調整部１４ａを回動操作すると、第１ギア３１、第
２ギア３２を介してねじ軸１６が回転駆動され、該ねじ
軸１６に螺合した支持部材６が前後方向に移動され、車
輪４の前後位置調整が達成される。The front-rear adjustment mechanism 8 integrally includes the shaft 14 having an adjustment portion 14a at one end and a first gear 31 at the other end and extending in the left-right direction, and a second gear 32 meshing with the first gear 31. The screw shaft 16 rotatably provided and extending in the front-rear direction. The screw shaft 16 is rotatably supported by the mounting frame 3 so as not to move back and forth, and is screwed to a screw hole 21 formed in the support member 6. Adjustment unit 14
a is formed of, for example, a cross groove or the like provided on the end surface of the shaft body 14, and is rotated by a driver or the like inserted through the operation hole A4 of the lower frame A1 of the sliding door a. When the adjusting portion 14a is rotated, the screw shaft 16 is driven to rotate via the first gear 31 and the second gear 32, and the support member 6 screwed to the screw shaft 16 is moved in the front-rear direction. Front-to-back position adjustment is achieved.
【００２６】上記連れ回り部材２４は、車輪４の周囲を
３／４程度覆う円弧状の部材からなる。この連れ回り部
材２４は、後述する摩擦領域に干渉するための第１の端
部３３と、他方となる第２の端部３３とを有しており、
両端部３３，３４間の中央よりもやや第１の端部３３よ
りの部分は径方向に厚肉に形成されて、車輪４と同心の
上記円弧状孔２５が設けられている。この円弧状孔２５
には、支持部材６に固定された上記ピン２６が嵌め入れ
られ、連れ回り部材２４が車輪４に連れ回りする角度範
囲を所定角度幅θに規制している。連れ回り部材２４の
第１の端部３３は、先端側にいくにしたがって幅が狭く
なるように断面台形状にされている。連れ回り部材２４
の両端部３３，３４および中央部の内周部には、車輪４
の周面の環状突起４ａを嵌め入れる溝形の保持部３５が
形成されている。保持部３５は連れ回り部材２４に外力
が働いていないときには、連れ回り部材２４を車輪４に
連れ回りさせる得る比較的小さい摩擦力を発生できる程
度に、車輪４の環状突起４ａに弾性的に係合している。The swirling member 24 is an arc-shaped member that covers the periphery of the wheel 4 by about 3/4. The swirling member 24 has a first end 33 for interfering with a friction region described later, and a second end 33 serving as the other end.
The portion slightly larger than the first end portion 33 than the center between the both end portions 33 and 34 is formed thicker in the radial direction, and the arc-shaped hole 25 concentric with the wheel 4 is provided. This arc-shaped hole 25
The pin 26 fixed to the support member 6 is fitted into the shaft 4 to restrict an angle range in which the swivel member 24 rotates with the wheel 4 to a predetermined angular width θ. The first end 33 of the swirling member 24 has a trapezoidal cross section so that the width decreases toward the distal end. Traveling member 24
Wheels 4 are provided at both ends 33, 34 and the inner peripheral portion of the central portion.
A groove-shaped holding portion 35 for fitting the annular projection 4a on the peripheral surface of the groove is formed. When no external force acts on the swirling member 24, the holding portion 35 elastically engages with the annular projection 4 a of the wheel 4 to such an extent that a relatively small frictional force capable of causing the swirling member 24 to rotate with the wheel 4 can be generated. I agree.
【００２７】次いで、図４，図５および図６を参照し
て、車輪４を転動させるレール部材３６について説明す
る。レール部材３６は敷居溝に落とし込まれ、敷居溝の
底にねじ込まれる固定ねじ３７によって固定される。レ
ール部材３６は底壁部３８の両側に一対の側壁３９，３
９を有する溝形形状をしており、各側壁３９の上端に
は、フランジ部４０，４０が形成され、各フランジ部４
０の上面が、車輪４を載せて転動させる軌道面４１とな
っている。また、一対のフランジ部４０，４０間の間隙
に車輪４の環状突起４ａが嵌まり込んで案内されるよう
になっている。Next, the rail member 36 for rolling the wheel 4 will be described with reference to FIGS. The rail member 36 is dropped into the sill groove and is fixed by a fixing screw 37 screwed into the bottom of the sill groove. The rail member 36 has a pair of side walls 39, 3 on both sides of the bottom wall portion 38.
9, flange portions 40, 40 are formed at the upper end of each side wall 39, and each flange portion 4
The upper surface of 0 is a raceway surface 41 on which the wheels 4 are mounted and rolled. In addition, the annular projection 4a of the wheel 4 fits into the gap between the pair of flange portions 40, 40 and is guided.
【００２８】レール部材３６の終端部には、引戸Ａが閉
められる際に、戸車１の連れ回り部材２４の走行方向側
端部となる第１の端部３３に摺接して制動力を与えるた
めの摩擦領域Ｂが設定されている。この摩擦領域Ｂは、
レール部材３６に取り付けられた摩擦領域設定部材４２
により設定されている。摩擦領域設定部材４２は、底壁
部４３および一対の側壁部４４，４４を有する溝形形状
の保持具４５と、上記一対の側壁部４４，４４の上部に
それぞれ保持された一対の摩擦部材４６と、保持具４５
をレール部材３６の底壁部３８に固定するための押さえ
部材４７および調整ねじ４８とを備えている。At the end of the rail member 36, when the sliding door A is closed, a sliding force is applied to the first end 33, which is the end in the running direction of the swinging member 24 of the door roller 1, to apply a braking force. Are set. This friction area B is
Friction area setting member 42 attached to rail member 36
Is set by The friction region setting member 42 includes a groove-shaped holder 45 having a bottom wall 43 and a pair of side walls 44, 44, and a pair of friction members 46 held on the pair of side walls 44, 44, respectively. And the holder 45
A pressing member 47 and an adjusting screw 48 for fixing the fixing member to the bottom wall portion 38 of the rail member 36 are provided.
【００２９】上記一対の摩擦部材４６は、連れ回り部材
２４の走行方向側となった第１の端部３３を両側から挟
み込んで摺接し摩擦力による制動力を与えるものであ
る。保持具４５は例えば板金部材等の弾性部材からな
り、保持具４５の各側壁部４４，４４と底壁部４３との
間には略直角の弾性湾曲部５３が形成されている。ま
た、保持具４５の両側壁部４４，４４の下半部は、下方
にいくほど互いの間隔が狭くなる傾斜面４９，４９を形
成しており、同様に、押さえ部材４７は上記傾斜面４
９，４９にそれぞれ合致する一対の傾斜面５０，５０を
有する断面台形形状をしている。押さえ部材４７および
保持具４５の底壁部４３を貫通する調整ねじ４８を、レ
ール部材３６の底壁部３８のねじ孔５１にねじ込むと、
押さえ部材４７が保持具４５の両側壁４４，４４間にく
さび状に入り込み、押さえ部材４７を介して保持具４５
がレール部材３６に固定される。The pair of friction members 46 sandwich the first end 33, which is on the traveling direction side of the swirling member 24, from both sides to slide and contact with each other to apply a braking force by a frictional force. The holder 45 is made of, for example, an elastic member such as a sheet metal member. A substantially right-angle elastic curved portion 53 is formed between each of the side walls 44, 44 of the holder 45 and the bottom wall 43. The lower halves of the side walls 44, 44 of the holder 45 form inclined surfaces 49, 49 in which the distance from each other becomes smaller toward the lower side.
It has a trapezoidal cross section having a pair of inclined surfaces 50, 50 respectively corresponding to 9, 49. When the adjusting screw 48 penetrating the pressing member 47 and the bottom wall 43 of the holder 45 is screwed into the screw hole 51 of the bottom wall 38 of the rail member 36,
The holding member 47 enters a wedge shape between the side walls 44, 44 of the holder 45, and the holding member 45 is inserted through the holding member 47.
Is fixed to the rail member 36.
【００３０】そして、調整ねじ４８の締め込み量に応じ
て、押さえ部材４７が上下動して保持具４の各弾性湾曲
部５３の湾曲度合（各側壁部４４と底壁部４３とのなす
屈曲角度に相当）が変更されることから、両摩擦部材４
６，４６間の間隔Ｄが調整され、これにより、制動力が
調整されるようになっている。保持具４５の一対の傾斜
面５０、押さえ部材４７および調整ねじ４８によって、
一対の摩擦部材４６，４６間の間隔を調整する調整機構
５２が構成されている。Then, the pressing member 47 moves up and down in accordance with the amount of tightening of the adjusting screw 48, and the degree of bending of each elastic bending portion 53 of the holder 4 (the bending between each side wall portion 44 and the bottom wall portion 43). (Corresponding to the angle) is changed.
The distance D between the wheels 6 and 46 is adjusted, so that the braking force is adjusted. The pair of inclined surfaces 50 of the holder 45, the holding member 47, and the adjusting screw 48
An adjusting mechanism 52 for adjusting the interval between the pair of friction members 46, 46 is configured.
【００３１】図４を参照して、引戸Ａが閉められる際に
は、図１に示すように連れ回り部材２４が時計回り側に
変位した状態で、連れ回り部材２４の走行方向側となる
第１の端部３３が、図４に示す摩擦領域Ｂの左端部から
右端部までの間（例えば１４０〜１５０ｍｍの区間）で
制動力を受けることになる。一方、引戸Ａが開けられる
際には、引戸Ａが僅かの距離（図４でＢ１で示す区間）
を右方Ｘ２へ移動して車輪４が僅かに反時計回りに回転
するだけで連れ回り部材２４の第１の端部（このときは
反走行方向側となっている）が連れ回りして、図７に示
す状態となり、摩擦領域Ｂの摩擦部材４６から上方へ離
れるので、従来と同様に軽く開けることができる。した
がって、引戸Ａを閉める際には十分な長さの制動距離を
確保でき、また、引戸Ａを開ける際にはほんの少し引戸
Ａを移動させるだけで直ぐに引戸Ａが軽く動くようにな
るわけである。しかも、これを戸車１側に連れ回り部材
２４を設け、レール部材３６側に摩擦部材４６による摩
擦領域Ｂを設定するという簡単な構造にて実現すること
ができる。Referring to FIG. 4, when the sliding door A is closed, as shown in FIG. 1, a state in which the swiveling member 24 is displaced clockwise and is located on the traveling direction side of the swiveling member 24. The first end 33 receives the braking force from the left end to the right end of the friction region B shown in FIG. 4 (for example, a section of 140 to 150 mm). On the other hand, when the sliding door A is opened, the sliding door A is at a small distance (section indicated by B1 in FIG. 4).
Is moved to the right X2, and the first end of the swirling member 24 (in this case, the anti-running direction side) is swirled just by rotating the wheel 4 slightly counterclockwise, In the state shown in FIG. 7, the friction member 46 in the friction region B is separated upward, so that it can be opened lightly as in the related art. Therefore, when the sliding door A is closed, a sufficient braking distance can be secured, and when the sliding door A is opened, the sliding door A can move lightly immediately by moving the sliding door A only a little. . In addition, this can be realized with a simple structure in which the rotating member 24 is provided on the side of the door roller 1 and the friction area B by the friction member 46 is set on the rail member 36 side.
【００３２】また、本第１実施形態では、一対の摩擦部
材４６，４６によって連れ回り部材２４の第１の端部３
３を両側から挟み込むので、大きな制動力を車輪に付与
することができる。また、調整ねじ４８の操作で一対の
摩擦部材４６，４６間の間隔Ｄを調整することにより、
車輪４に付与する制動力の大きさを容易に調整すること
ができる。特に、弾性湾曲部４８の湾曲度合を調整する
ことを通じて調整するので、調整機構５２を簡単に構造
にすることができる。In the first embodiment, the first end 3 of the swirling member 24 is formed by a pair of friction members 46,46.
3 is sandwiched from both sides, so that a large braking force can be applied to the wheels. In addition, by adjusting the distance D between the pair of friction members 46 by operating the adjustment screw 48,
The magnitude of the braking force applied to the wheels 4 can be easily adjusted. In particular, since the adjustment is performed by adjusting the degree of curvature of the elastic bending portion 48, the structure of the adjustment mechanism 52 can be simplified.
【００３３】なお、連れ回り部材２４が連れ回りの角度
範囲θの終端にある状態では、連れ回り部材２４と車輪
４とが相対回動することになるが、両者２４，４間の摩
擦は僅かであるので、引戸を閉める際において摩擦領域
Ｂを除くレール部分を通過するときや、引戸を開ける際
には、引戸の移動に抗する抵抗が大きくなるようなこと
がない。When the swirling member 24 is at the end of the swirling angle range θ, the swirling member 24 and the wheel 4 rotate relatively, but the friction between the two members 24 and 4 is slight. Therefore, when the sliding door is closed, when passing through the rail portion excluding the friction area B or when the sliding door is opened, resistance against movement of the sliding door does not increase.
【００３４】図８は、本発明の第２実施形態を示してい
る。同図を参照して、本第２実施形態が図５の実施形態
と異なるのは、摩擦領域設定部材４２において、押さえ
部材を廃止し、保持具４５の底壁部５４を調整ねじ５５
の頭部で直接押さえ込むようにした調整機構５６を設け
たことである。また、底壁部５４は、上に凸の弾性湾曲
部を構成しており、調整ねじ５５のねじ込み量に応じて
弾性湾曲部としての底壁部５４の湾曲度合（底壁部５４
の曲率に相当）が変更され、これにより、保持具４５の
両側壁部４４，４４間の間隔調整を通じて両摩擦部材４
６，４６間の間隔が調整される。本第２実施形態では、
第１実施形態と同様の作用効果を奏することに加えて、
弾性湾曲部を保持具４５に一体に形成したので、構造を
非常に簡素化することができる。FIG. 8 shows a second embodiment of the present invention. 5, the second embodiment is different from the embodiment of FIG. 5 in that the pressing member is eliminated in the friction area setting member 42 and the bottom wall 54 of the holder 45 is adjusted with the adjusting screw 55.
Is provided with an adjusting mechanism 56 which can be directly held down by the head. The bottom wall portion 54 constitutes an upwardly projecting elastic bending portion, and the degree of bending of the bottom wall portion 54 as the elastic bending portion (the bottom wall portion 54) depends on the screwing amount of the adjusting screw 55.
Of the friction member 4 through the adjustment of the distance between the side walls 44 of the holder 45.
The spacing between 6, 46 is adjusted. In the second embodiment,
In addition to having the same operation and effect as the first embodiment,
Since the elastic bending portion is formed integrally with the holder 45, the structure can be greatly simplified.
【００３５】次いで、図９は本発明の第３実施形態を示
している。本第３の実施形態が図１の実施形態と主に異
なるのは、連れ回り部材５７を互いに連結される第１お
よび第２の部材５８，５９により構成して、各部材５
８，５９の内周部に車輪４の周面に摺接可能な円弧状の
摩擦部材６０をそれぞれ固定した点と、レール部材３６
に設定したブレーキ領域Ｅで、連れ回り部材５７の走行
方向側の端部を介して摩擦部材６０を車輪４に押し付
け、制動力を働かせるようにした点である。Next, FIG. 9 shows a third embodiment of the present invention. The third embodiment is mainly different from the embodiment of FIG. 1 in that a swirling member 57 is constituted by first and second members 58 and 59 connected to each other, and each member 5
8 and 59, an arc-shaped friction member 60 slidable on the peripheral surface of the wheel 4 is fixed to the inner peripheral portions of the wheels 4 and 59, respectively.
Is that the friction member 60 is pressed against the wheel 4 via the end of the swirling member 57 on the traveling direction side in the braking area E set to the above, so that the braking force is exerted.
【００３６】第１および第２の部材５８，５９の隣接す
る端部同士は、図１０に示すように櫛状に嵌め合わされ
て互いに連結されている。この嵌め合わせ部分には、車
輪４と同心の円弧状孔２５が形成され、この円弧状孔２
５には、支持部材６に固定されたピン２６が嵌め入れら
れている。また、上記嵌め合わせ部分と反対側に位置す
る第１の部材５８の端部６１は、自由端となっている。
一方、上記嵌め合わせ部分と反対側に位置する第２の部
材５８の端部には、車輪と同心の円弧状孔６２が形成さ
れ、この円弧状孔６２には、支持部材６に固定されたピ
ン６３が嵌め入れられている。各ピン２６，６３が対応
する円弧状孔２５，６２に嵌め入れられることによっ
て、連れ回り部材５７は車輪４に対して所定角度範囲θ
内で連れ回り可能となっている。Adjacent ends of the first and second members 58 and 59 are connected in a comb-like manner as shown in FIG. An arcuate hole 25 concentric with the wheel 4 is formed in the fitting portion.
A pin 26 fixed to the support member 6 is fitted into 5. The end 61 of the first member 58 located on the side opposite to the fitting portion is a free end.
On the other hand, an arc-shaped hole 62 concentric with the wheel is formed at the end of the second member 58 located on the side opposite to the fitting portion, and the arc-shaped hole 62 is fixed to the support member 6. The pin 63 is fitted. When the pins 26 and 63 are fitted into the corresponding arc-shaped holes 25 and 62, the swiveling member 57 moves the wheel 4 in a predetermined angle range θ.
It is possible to rotate around within.
【００３７】一方、レール部材３６にブレーキ領域Ｅを
設定する構成としては、連れ回り部材５７の走行方向側
の端部６１の通行域と干渉するように高さが高くなった
部分を設けて、連れ回り部材５７の走行方向側の端部６
１を車輪４側へ押圧するようにしている。図１１を参照
して、レール部材３６にブレーキ領域Ｅを設定するブレ
ーキ領域設定部材６４は、板状の下部材６５と上部材６
６とからなる。上部材６６が上下動部材を構成してい
る。両部材６５，６６の図においての右端部は、レール
部材３６の底壁部３８を貫通して敷居溝の底部にねじ込
まれる固定ねじ６７によって、一括して固定されてい
る。On the other hand, as a configuration for setting the brake area E on the rail member 36, a portion whose height is increased so as to interfere with the traffic area of the end 61 on the traveling direction side of the rotating member 57 is provided. End 6 of traveling member 57 on the traveling direction side
1 is pressed to the wheel 4 side. Referring to FIG. 11, a brake area setting member 64 for setting a brake area E on the rail member 36 includes a plate-shaped lower member 65 and an upper member 6.
6 The upper member 66 constitutes a vertically moving member. The right ends of the two members 65 and 66 in the figure are fixed collectively by a fixing screw 67 that passes through the bottom wall 38 of the rail member 36 and is screwed into the bottom of the threshold groove.
【００３８】また、上部材６６は右肩上がりに傾斜する
導入部６８と、ブレーキ領域Ｅとなる主体部６９と、上
記固定ねじ６７により固定される固定端部７０とを有し
ている。一方、下部材６５は上部材６６を下方から弾性
的に支える弾性支持手段である。下部材６５は、全体が
波板状に形成され、上部材６６の導入部６８の終端付近
を下方から弾性的に支える屈曲端部からなる第１のばね
部７１と、上部材６６の主体部６９を所定間隔毎に下方
から弾性的に支える複数の第２のばね部７２とを含んで
いる。７３は上部材６６の傾斜部６８およびレール部材
３６の底壁部３８を貫通して敷居溝の底部にねじ込まれ
る調整ねじである。この調整ねじ７３の締め込み量を調
整することにより、両ばね部材７１，７２によって弾性
的に支持されている上部材６６の主体部６９の高さを容
易に調整することができる。The upper member 66 has an introduction portion 68 inclined upward to the right, a main portion 69 serving as the brake area E, and a fixed end portion 70 fixed by the fixing screw 67. On the other hand, the lower member 65 is elastic support means for elastically supporting the upper member 66 from below. The lower member 65 is formed in a corrugated shape as a whole, and includes a first spring portion 71 having a bent end portion for elastically supporting the vicinity of the end of the introduction portion 68 of the upper member 66 from below, and a main portion of the upper member 66. And a plurality of second spring portions 72 that elastically support 69 from below at predetermined intervals. Reference numeral 73 denotes an adjustment screw that passes through the inclined portion 68 of the upper member 66 and the bottom wall 38 of the rail member 36 and is screwed into the bottom of the sill groove. By adjusting the tightening amount of the adjusting screw 73, the height of the main body 69 of the upper member 66 elastically supported by the two spring members 71 and 72 can be easily adjusted.
【００３９】本実施形態では、引戸を閉める際には、連
れ回り部材５７の走行方向側の端部６１が走行方向側
（図１１において右側）の摩擦部材６０を車輪４に押圧
することにより、簡単な機械的構造にて車輪４に制動力
を付与することができる。このとき、制動力に寄与する
のは、第１の部材５８に固定されている摩擦部材６０で
ある。In the present embodiment, when the sliding door is closed, the end 61 on the traveling direction side of the swiveling member 57 presses the friction member 60 on the traveling direction side (right side in FIG. 11) against the wheel 4. A braking force can be applied to the wheels 4 with a simple mechanical structure. At this time, the friction member 60 fixed to the first member 58 contributes to the braking force.
【００４０】一方、引戸Ａを開ける際には、車輪４が僅
かに反時計回りに回転するだけで連れ回り部材５７の端
部６１がブレーキ領域Ｅの上部材６６から離れるので、
従来と同様に軽く開けることができる。このとき、連れ
回り部材５７の第２の部材５９に固定されている摩擦部
材６０も連れ回り部材５７全体を反時計回りに連れ回り
することに寄与するので、連れ回り部材５７の端部６１
をより確実にブレーキ領域Ｅの上方へ離れさせることが
できる。On the other hand, when the sliding door A is opened, the end 61 of the co-rotating member 57 is separated from the upper member 66 of the brake area E only by slightly rotating the wheel 4 counterclockwise.
It can be opened lightly as before. At this time, the friction member 60 fixed to the second member 59 of the swirling member 57 also contributes to rotate the entire swirling member 57 counterclockwise.
Can be more reliably separated above the brake area E.
【００４１】また、上部材６６の主体部６９の終端部
に、他の部分よりも少し高い乗り越え部７４と少し低い
緩和部７５を設けておくことにより、引戸Ａを開ける際
の操作力をより軽くすることができる。というのは、引
戸Ａを閉めた状態で連れ回り部材５７の端部６１が高さ
の低い緩和部７５に位置するようにしておくと、この状
態では、連れ回り部材５７の端部６１が車輪４側へ押さ
れる力が比較的に弱くなっているので、引戸Ａを開ける
際に、連れ回り部材５７を容易に連れ回りさせて主体部
６９の上方へ離れさせることができるからである。Further, by providing a climbing portion 74 slightly higher than other portions and a slightly lowering portion 75 at the end of the main portion 69 of the upper member 66, the operating force when opening the sliding door A can be further improved. Can be lighter. That is, if the end 61 of the swirling member 57 is positioned at the low-relaxation portion 75 with the sliding door A closed, the end 61 of the swirling member 57 is in this state. This is because the force pushed toward the fourth side is relatively weak, so that when the sliding door A is opened, the swiveling member 57 can be easily swung and separated upward from the main body 69.
【００４２】図１２は本発明の第４実施形態を示してい
る。本第４実施形態が第３実施形態と主に異なるのは、
連れ回り部材７６をヒンジ軸７７の回りに相対回動自在
に連結される第１の部材７８および第２の部材７９によ
り構成し、引戸Ａを閉める際に、第１の部材７８の端部
が車輪４側へ押される力を、第２の部材７９の端部が車
輪４側へ押される力に変換し、両部材７８，７９によっ
て一対の摩擦部材６０を車輪４側へ押圧して、高い制動
力を得るようにした点である。FIG. 12 shows a fourth embodiment of the present invention. The main difference between the fourth embodiment and the third embodiment is that
The swiveling member 76 is constituted by a first member 78 and a second member 79 which are connected to be freely rotatable around a hinge shaft 77. When the sliding door A is closed, the end of the first member 78 is closed. The force that is pushed toward the wheel 4 is converted into a force that pushes the end of the second member 79 toward the wheel 4, and the two members 78 and 79 push the pair of friction members 60 toward the wheel 4 to increase the force. The point is that a braking force is obtained.
【００４３】第１の部材７８および第２の部材７９は、
ヒンジ軸７７の近傍位置に車輪４と同心の円弧状孔８
０，８１を有し、各円弧状孔８０，８１には支持部材６
に挿通固定されたピン８２，８３がそれぞれ挿通されて
いる。これにより、連れ回り部材７７は車輪４の回りに
所定角度幅θの範囲で連れ回りできるようになってい
る。The first member 78 and the second member 79 are
An arc-shaped hole 8 concentric with the wheel 4 is provided near the hinge shaft 77.
0, 81, and each arc-shaped hole 80, 81 has a supporting member 6
Are respectively inserted through the pins 82 and 83. Thereby, the swirling member 77 can be swung around the wheel 4 within the range of the predetermined angular width θ.
【００４４】本第４実施形態では、引戸を閉める際にお
いて、第１の部材７８の走行方向側の端部８４（自由端
部）と第２の部材７９の反走行方向側の端部８５（自由
端部）が連動してともに、対応する摩擦部材６０を車輪
４側へ押圧するので、高い制動力を得ることができる。
また、引戸を開ける際には、第１の部材７８の自由側の
端部８４がブレーキ領域Ｅの上方へ離脱することによっ
て、両部材７８，７９とも車輪４を挟み込む力を解除し
て制動力を解除する。In the fourth embodiment, when closing the sliding door, the end 84 (free end) of the first member 78 in the running direction and the end 85 (free end) of the second member 79 in the non-running direction. The free ends) work together to press the corresponding friction members 60 toward the wheels 4, so that a high braking force can be obtained.
When the sliding door is opened, the free end 84 of the first member 78 is separated above the braking area E, so that both members 78 and 79 release the force for pinching the wheel 4 to release the braking force. Cancel.
【００４５】図１３は本発明の第５実施形態を示してい
る。同図を参照して、本第５実施形態が第４実施形態と
異なるのは、第４実施形態の連れ回り部材７６におい
て、各部材７８，７９の円弧状孔８０，８１に代えて円
孔８６，８７とし、連れ回り不能な一対の操作部材８
８，８９を構成した点にある。本第５実施形態では、引
戸を閉める際に、走行方向側の操作部材８８の走行方向
側の端部９０が、相対的に高さの高いブレーキ領域Ｅに
到達すると、上記走行方向側の操作部材８８の走行方向
側の端部９０を介して、摩擦部材６０が車輪４に押圧さ
れることにより、車輪４に制動力が付与される。このと
き、ヒンジ軸７７により連結された反走行方向側の操作
部材８９も連動して摩擦部材６０を車輪４に押圧するの
で、高い制動力を働かせることができる。FIG. 13 shows a fifth embodiment of the present invention. Referring to the figure, the fifth embodiment is different from the fourth embodiment in that a circular hole 80, 81 of each member 78, 79 is replaced with a circular hole in a swiveling member 76 of the fourth embodiment. 86, 87, a pair of operating members 8 that cannot rotate
8,89. In the fifth embodiment, when the sliding door is closed, when the traveling direction end 90 of the traveling direction operation member 88 reaches the relatively high brake area E, the traveling direction operation is performed. When the friction member 60 is pressed against the wheel 4 via the end 90 of the member 88 on the traveling direction side, a braking force is applied to the wheel 4. At this time, the operation member 89 on the side opposite to the traveling direction connected by the hinge shaft 77 also presses the friction member 60 against the wheel 4 in conjunction with the operation member 89, so that a high braking force can be exerted.
【００４６】一方、引戸を開ける際には、反走行方向側
の操作部材８８の反走行方向側の端部９０がブレーキ領
域設定部材６４との摩擦によって、車輪４から離れぎみ
となるので、両操作部材８８，８９とも摩擦部材６０の
車輪４への押圧を解除する結果、従来と同様に軽く開け
ることができる。なお、本第５実施形態において、操作
部材８９を廃止することも可能である。On the other hand, when the sliding door is opened, the end 90 of the operation member 88 on the opposite side of the running direction on the opposite side of the running direction is separated from the wheel 4 by friction with the brake area setting member 64. As a result of releasing the pressing of the friction members 60 against the wheels 4 in both the operation members 88 and 89, the operation members 88 and 89 can be opened lightly as in the related art. In the fifth embodiment, the operation member 89 can be omitted.
【００４７】図１４（ａ），（ｂ）は、本発明の第６実
施形態を示している。本第６実施形態は第３，第４およ
び第５の各実施形態において、ブレーキ領域設定部材を
変更した例である。図１４（ａ），（ｂ）を参照して、
本第６実施形態のブレーキ領域設定部材９２が図１１の
ものと異なるのは、波板状の下部材９３と、下方へ突出
する複数の湾曲凸部９６によって同じく波板状に起伏す
る上下動部材としての上部材９４とを備え、両部材９
３，９４同士を長手方向にずらすことによって、下部材
９３の波形の上向きの頂部と上部材９４の波形の下向き
の頂部の当接状態を変更し、これにより、上部材９４の
高さを調整するようにした点である。上部材９４を長手
方向にずらすために、固定ねじ６７が下部材９３を貫通
する部分を長孔９５としてある。また下部材９３に切り
起こされた係合突起９７が上部材９４の長孔９８に係合
するようにしてある。FIGS. 14A and 14B show a sixth embodiment of the present invention. The sixth embodiment is an example in which the brake region setting member is changed in each of the third, fourth, and fifth embodiments. Referring to FIGS. 14A and 14B,
The brake area setting member 92 according to the sixth embodiment is different from that shown in FIG. 11 in that a corrugated lower member 93 and a plurality of downwardly projecting curved convex portions 96 cause the vertical movement of the corrugated plate. And an upper member 94 as a member.
By displacing the upper and lower members 93 and 94 in the longitudinal direction, the contact between the upwardly directed top of the lower member 93 and the downwardly directed top of the upper member 94 is changed, thereby adjusting the height of the upper member 94. The point is to do so. In order to shift the upper member 94 in the longitudinal direction, a portion where the fixing screw 67 penetrates the lower member 93 is defined as an elongated hole 95. The engagement projection 97 cut and raised by the lower member 93 is adapted to engage with the elongated hole 98 of the upper member 94.
【００４８】本実施形態においても、上部材９４の高さ
を調整してブレーキ力を容易に調整することができる。
また、波形を組み合わせてあるので、上部材９４を下部
材９３によって均一に押し上げて高さを調整することが
できる。本発明は上記各実施形態に限定されるものでは
なく、図１１の実施形態の下部材６５や、図１４の実施
形態の下部材９３において、上部材を弾性的に支える機
能を板ばねでなく、圧縮コイルばねによって果たさせる
こともできる。その他、本発明の範囲で種々の変更を施
すことができる。Also in this embodiment, the braking force can be easily adjusted by adjusting the height of the upper member 94.
Further, since the waveforms are combined, the height can be adjusted by uniformly pushing up the upper member 94 by the lower member 93. The present invention is not limited to the above embodiments. In the lower member 65 of the embodiment of FIG. 11 and the lower member 93 of the embodiment of FIG. 14, the function of elastically supporting the upper member is not a leaf spring. It can also be fulfilled by a compression coil spring. In addition, various changes can be made within the scope of the present invention.
【００４９】[0049]
【発明の効果】請求項１記載の発明では、引戸を閉める
際に、連れ回り部材の走行方向側の端部が摩擦領域に摺
接すにことにより、簡単な機械的構造にて車輪に制動力
が付与される。引戸を開ける際には、車輪が僅かに回転
するだけで連れ回り部材が摩擦領域から離れるので、従
来と同様に軽く開けることができる。According to the first aspect of the present invention, when the sliding door is closed, the end of the swiveling member on the traveling direction side slides on the friction area, thereby controlling the wheel with a simple mechanical structure. Power is applied. When the sliding door is opened, the rotating member is separated from the friction area by slightly rotating the wheel, so that the sliding door can be opened lightly as in the related art.
【００５０】請求項２記載の発明では、一対の摩擦部材
によって連れ回り部材の端部を両側から挟み込むので、
大きな制動力を車輪に付与することができる。また、一
対の摩擦部材間の間隔を調整することにより、車輪に付
与する制動力の大きさを容易に調整することができる。
請求項３記載の発明では、ねじの操作によって、弾性湾
曲部の湾曲度合を調整することを通じて、一対の摩擦部
材間の間隔を容易に調整することができるので、容易に
制動力を調整することができる。According to the second aspect of the present invention, the end of the rotating member is sandwiched from both sides by the pair of friction members.
A large braking force can be applied to the wheels. Further, by adjusting the interval between the pair of friction members, the magnitude of the braking force applied to the wheels can be easily adjusted.
According to the third aspect of the invention, the distance between the pair of friction members can be easily adjusted by adjusting the degree of curvature of the elastic bending portion by operating the screw, so that the braking force can be easily adjusted. Can be.
【００５１】請求項４記載の発明では、引戸を閉める際
に、ブレーキ領域に到達した連れ回り部材の走行方向側
の端部が摩擦部材を車輪に押圧することにより、簡単な
機械的構造にて車輪に制動力を付与することができる。
引戸を開ける際には、車輪が僅かに回転するだけで連れ
回り部材の端部がブレーキ領域から離れるので、従来と
同様に軽く開けることができる。According to the fourth aspect of the present invention, when the sliding door is closed, the end in the running direction of the rotating member that has reached the braking area presses the friction member against the wheel, thereby achieving a simple mechanical structure. A braking force can be applied to the wheels.
When the sliding door is opened, the end of the rotating member is separated from the brake area only by slightly rotating the wheel, so that the sliding door can be opened lightly as in the related art.
【００５２】請求項５記載の発明では、引戸を閉める際
に、連れ回り部材を構成する一対の部材がそれぞれ摩擦
部材を車輪に押圧するので、大きなブレーキ力を達成す
ることができる一方、引戸を開ける際には、一対の部材
がともに摩擦部材の車輪への押圧を解除するので、引戸
を軽く開けることができる。請求項６記載の発明では、
引戸を閉める際に、ブレーキ領域に到達すると、両操作
部材が連動して対応する摩擦部材を車輪に押圧するの
で、簡単な機械的構造にて車輪に高い制動力を付与する
ことができる。引戸を開ける際には、一対の操作部材が
ともに摩擦部材の車輪への押圧を解除するので、引戸を
軽く開けることができる。According to the fifth aspect of the present invention, when closing the sliding door, a pair of members constituting the swiveling member respectively press the friction members against the wheels, so that a large braking force can be achieved. When the door is opened, both the pair of members release the pressing of the friction member against the wheel, so that the sliding door can be opened lightly. In the invention according to claim 6,
When the sliding door is closed, when the vehicle reaches the braking area, the two operating members work together to press the corresponding friction members against the wheels, so that a high braking force can be applied to the wheels with a simple mechanical structure. When the sliding door is opened, the pair of operating members both release the pressing of the friction member against the wheel, so that the sliding door can be opened lightly.
【００５３】請求項７記載の発明では、請求項４，５，
又は６において、調整ねじを操作するだけで、上下動部
材の高さを変更して、車輪に付与するブレーキ力を容易
に調整することができる。According to the seventh aspect of the present invention,
In or 6, the brake force applied to the wheels can be easily adjusted by changing the height of the vertically moving member only by operating the adjustment screw.
【図１】本発明の第１実施形態の戸車が装着された引戸
の下部の断面図であり、引戸を閉めるときの状態に対応
している。FIG. 1 is a cross-sectional view of a lower portion of a sliding door to which a door roller according to a first embodiment of the present invention is mounted, corresponding to a state when the sliding door is closed.
【図２】戸車の分解斜視図である。FIG. 2 is an exploded perspective view of the door roller.
【図３】図２のIII−III線に沿う断面図である。FIG. 3 is a sectional view taken along line III-III in FIG. 2;
【図４】摩擦領域設定部材を含むレール部材の長手方向
に沿う断面図である。FIG. 4 is a sectional view along a longitudinal direction of a rail member including a friction region setting member.
【図５】摩擦領域設定部材を含むレール部材の断面図で
ある。FIG. 5 is a sectional view of a rail member including a friction region setting member.
【図６】摩擦領域設定部材を含むレール部材の断面図で
あり、車輪と摺接する状態を示している。FIG. 6 is a cross-sectional view of a rail member including a friction region setting member, showing a state in which the rail member is in sliding contact with a wheel.
【図７】引戸を開けるときに対応する戸車の断面図であ
る。FIG. 7 is a sectional view of a door roller corresponding to opening a sliding door.
【図８】本発明の第２実施形態の摩擦領域設定部材を含
むレール部材の断面図である。FIG. 8 is a sectional view of a rail member including a friction area setting member according to a second embodiment of the present invention.
【図９】本発明の第３実施形態の戸車の断面図であり、
引戸を閉めるときの状態に対応している。FIG. 9 is a sectional view of a door roller according to a third embodiment of the present invention;
It corresponds to the state when the sliding door is closed.
【図１０】図９の戸車の連れ回り部材の要部の概略図で
ある。FIG. 10 is a schematic view of a main part of a rotating member of the door roller of FIG. 9;
【図１１】図９の実施形態において、ブレーキ領域設定
部材を含むレール部材とこれに転動する車輪および連れ
回り部材の説明図である。FIG. 11 is an explanatory view of a rail member including a brake area setting member, wheels rolling on the rail member, and a rotating member in the embodiment of FIG. 9;
【図１２】本発明の第４実施形態の戸車の断面図であ
り、引戸を閉めるときの状態に対応している。FIG. 12 is a sectional view of a door roller according to a fourth embodiment of the present invention, corresponding to a state when a sliding door is closed.
【図１３】本発明の第５実施形態の戸車の断面図であ
り、引戸を閉めるときの状態に対応している。FIG. 13 is a sectional view of a door roller according to a fifth embodiment of the present invention, corresponding to a state when a sliding door is closed.
【図１４】（ａ）は本発明の第６実施形態のブレーキ領
域設定部材を含むレール部材の平面図であり、（ｂ）は
断面図である。FIG. 14A is a plan view of a rail member including a brake area setting member according to a sixth embodiment of the present invention, and FIG. 14B is a cross-sectional view.
１ 戸車 ３ 取付枠体 ４ 車輪 ６ 支持部材 ２４ 連れ回り部材 ２５ 円弧状孔 ２６ ピン（支軸） ４２ 摩擦領域設定部材 ４３ 底壁部 ４４ 側壁部 ４５ 保持具 ４６ 摩擦部材 ４７ 押さえ部材 ４８ 調整ねじ ４９，５０ 傾斜面 ５２ 調整機構 ５３ 弾性湾曲部 ５４ 底壁部（弾性湾曲部） ５５ 調整ねじ ５６ 調整機構 ５７ 連れ回り部材 ５８ 第１の部材 ５９ 第２の部材 ６０ 摩擦部材 ６１ 端部 ６２ 円弧状孔 ６３ ピン（支軸） ６４ ブレーキ領域設定部材 ６５ 下部材 ６６ 上部材（上下動部材） ７１ 第１のばね部 ７２ 第２のばね部 ７３ 調整ねじ ７６ 連れ回り部材 ７７ ヒンジ軸 ７８ 第１の部材 ７９ 第２の部材 ８０，８１ 円弧状孔 ８２，８３ ピン（支軸） ８４，８５ 端部 ８６，８７ 円孔 ８８，８９ 操作部材 ９０，９１ 端部 ９２ ブレーキ領域設定部材 ９３ 下部材 ９４ 上部材（上下動部材） DESCRIPTION OF SYMBOLS 1 Door roller 3 Mounting frame 4 Wheel 6 Support member 24 Follower member 25 Arc-shaped hole 26 Pin (support shaft) 42 Friction area setting member 43 Bottom wall part 44 Side wall part 45 Holder 46 Friction member 47 Holding member 48 Adjusting screw 49 , 50 Inclined surface 52 Adjustment mechanism 53 Elastic bending part 54 Bottom wall part (elastic bending part) 55 Adjusting screw 56 Adjusting mechanism 57 Follower member 58 First member 59 Second member 60 Friction member 61 End part 62 Arc-shaped hole 63 Pin (support shaft) 64 Brake region setting member 65 Lower member 66 Upper member (vertical moving member) 71 First spring portion 72 Second spring portion 73 Adjusting screw 76 Follower member 77 Hinge shaft 78 First member 79 Second member 80, 81 Arc-shaped hole 82, 83 Pin (support shaft) 84, 85 End 86, 87 Circular hole 88, 89 Operating member 90, 91 End 92 Lake area setting member 93 lower member 94 top member (vertically movable)
Claims (7)
部材、および上記支持部材によって車輪の回りに所定の
角度範囲内で連れ回り可能に支持された連れ回り部材を
含み、引戸に装着される戸車と、 連れ回り部材の走行方向側の端部と摺接する摩擦領域を
レール部材に設定する摩擦領域設定部材とを備えること
を特徴とする引戸用制動装置。1. A sliding door comprising a wheel, a supporting member for rotatably supporting the wheel, and a rotating member supported by the supporting member so as to be rotatable around the wheel within a predetermined angle range. A friction device for a sliding door, comprising: a door roller to be driven; and a friction region setting member that sets a friction region in sliding contact with an end of the rotating member on the traveling direction side on a rail member.
走行方向側の端部を両側から挟み込む一対の摩擦部材
と、一対の摩擦部材間の間隔を調整する調整機構を含む
ことを特徴とする請求項１記載の引戸用制動装置。2. The friction region setting member includes a pair of friction members for sandwiching the end of the rotation member on the traveling direction side from both sides, and an adjustment mechanism for adjusting a distance between the pair of friction members. The braking device for a sliding door according to claim 1.
る保持具をレール部材に固定するためのねじの締め込み
量に応じて湾曲度合を変更する弾性湾曲部を含むことを
特徴とする請求項２記載の引戸用制動装置。3. The adjusting mechanism according to claim 1, further comprising an elastic bending portion for changing a degree of bending in accordance with a tightening amount of a screw for fixing a holding member holding the pair of friction members to the rail member. The sliding door braking device according to claim 2.
部材、この支持部材によって支持され、車輪の回りに所
定の角度範囲内で連れ回り可能な連れ回り部材、および
この連れ回り部材の内周面に保持された摩擦部材を含
み、引戸に装着される戸車と、 上記連れ回り部材の走行方向側の端部を介して摩擦部材
を車輪に押圧するように相対的に高さを高くしたブレー
キ領域をレール部材に設定するブレーキ領域設定部材と
を備えることを特徴とする引戸用制動装置。4. A wheel, a supporting member for rotatably holding the wheel, a rotating member supported by the supporting member and capable of rotating around the wheel within a predetermined angle range, and Including a friction member held on the inner peripheral surface, a door wheel mounted on a sliding door, and a relatively high height so as to press the friction member against the wheel via an end of the swiveling member on the traveling direction side. And a brake region setting member for setting the set brake region to a rail member.
に連結された一対の部材を組み合わせてなり、これら一
対の部材は互いに連動して摩擦部材を車輪に押圧し、ま
た押圧を解除することを特徴とする請求項４記載の引戸
用制動装置。5. The swiveling member comprises a pair of members connected to each other via a hinge shaft, and the pair of members cooperate with each other to press the friction member against the wheel and release the pressing. The braking device for a sliding door according to claim 4, characterized in that:
部材、ヒンジ軸を介して互いに相対回動自在に連結され
ると共にそれぞれ上記支持部材によって対応する支軸の
回りに揺動自在に支持された一対の操作部材、この操作
部材の内周面に保持された摩擦部材を含み、引戸に装着
される戸車と、 上記操作部材の走行方向側の端部を介して摩擦部材を車
輪に押圧するように相対的に高さを高くしたブレーキ領
域をレール部材に設定するブレーキ領域設定部材とを備
え、 上記一対の操作部材は互いに連動して摩擦部材を車輪に
押圧し、また押圧を解除することを特徴とする引戸用制
動装置。6. A wheel, a supporting member for rotatably holding the wheel, and connected to each other via a hinge shaft so as to be rotatable relative to each other, and each of the supporting members swingably around a corresponding supporting shaft. A pair of supported operation members, including a friction member held on an inner peripheral surface of the operation member, a door wheel mounted on a sliding door, and a friction member attached to a wheel via an end of the operation member on the traveling direction side. A brake region setting member for setting a brake region having a relatively high height to be pressed as a rail member, wherein the pair of operating members press the friction member against the wheel in conjunction with each other, and release the pressing. A braking device for a sliding door.
に調整ねじによって上下変位調整可能に固定された上下
動部材を含むことを特徴とする請求項４，５又は６記載
の引戸用制動装置。7. A braking device for a sliding door according to claim 4, wherein said brake area setting member includes a vertically moving member fixed to a rail member so as to be able to adjust a vertical displacement by an adjusting screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34329997A JP3904700B2 (en) | 1997-12-12 | 1997-12-12 | Braking device for sliding door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34329997A JP3904700B2 (en) | 1997-12-12 | 1997-12-12 | Braking device for sliding door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11172999A true JPH11172999A (en) | 1999-06-29 |
| JP3904700B2 JP3904700B2 (en) | 2007-04-11 |
Family
ID=18360451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34329997A Expired - Fee Related JP3904700B2 (en) | 1997-12-12 | 1997-12-12 | Braking device for sliding door |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3904700B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7195291B2 (en) | 2004-06-30 | 2007-03-27 | Nifco Inc. | Locking device |
-
1997
- 1997-12-12 JP JP34329997A patent/JP3904700B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7195291B2 (en) | 2004-06-30 | 2007-03-27 | Nifco Inc. | Locking device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3904700B2 (en) | 2007-04-11 |
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