JPH0355335Y2 - - Google Patents
Info
- Publication number
- JPH0355335Y2 JPH0355335Y2 JP6788585U JP6788585U JPH0355335Y2 JP H0355335 Y2 JPH0355335 Y2 JP H0355335Y2 JP 6788585 U JP6788585 U JP 6788585U JP 6788585 U JP6788585 U JP 6788585U JP H0355335 Y2 JPH0355335 Y2 JP H0355335Y2
- Authority
- JP
- Japan
- Prior art keywords
- belt
- pulley
- curtain
- protruding
- elastic
- 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.)
- Expired
Links
- 230000000694 effects Effects 0.000 description 8
- 239000002184 metal Substances 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Curtains And Furnishings For Windows Or Doors (AREA)
- Pulleys (AREA)
Description
【考案の詳細な説明】
(イ) 考案の分野
この考案は、例えば一般家庭の窓の内側に張設
されるカーテンを開閉するために用いるようなカ
ーテン開閉用駆動プーリに関する。[Detailed Description of the Invention] (a) Field of the Invention This invention relates to a drive pulley for opening and closing curtains, such as those used to open and close curtains stretched inside windows in ordinary homes.
(ロ) 考案の背景
従来、この種のカーテン開閉用駆動プーリとし
ては、例えば特公昭59−35609号公報に記載の如
く、Ｏリングと複数の板ばねとによつてベルト受
板にスラスト方向の弾力性を付加した構造のプー
リがある。(b) Background of the invention Conventionally, this type of driving pulley for opening and closing a curtain has been developed by using an O-ring and a plurality of leaf springs to drive a belt in the thrust direction. There is a pulley with a structure that has added elasticity.
この従来構造のプーリでは、上述のＯリングと
板ばねとの二段ばね作用によつてベルト受板に緩
衝効果を付与することができる利点がある反面、
上述のばね作用によりＶ溝空間が広くなつたベル
ト受板にベルトが食込んだまま停止すると、スラ
スト方向のみの弾性では、該ベルトは元位置に復
帰しにくく、起動時に起動負荷が大となる問題点
を有していた。 This pulley with a conventional structure has the advantage of being able to provide a buffering effect to the belt receiving plate through the two-stage spring action of the O-ring and leaf spring described above.
If the belt stops while being stuck in the belt receiving plate where the V-groove space is widened due to the above-mentioned spring action, the belt will be difficult to return to its original position with elasticity only in the thrust direction, and the starting load will be large at startup. It had some problems.
(ハ) 考案の目的
この考案は、ベルト受板に対してスラスト、ラ
ジアル両方向への弾力性を付加することにより、
カーテンの開閉方向と対応するラジアル方向の緩
衝効果を得ることができると共に、ベルト受板に
食込んだベルトを元位置へ容易に復元させること
ができ、起動負荷の低減を図ることができるカー
テン開閉用駆動プーリの提供を目的とする。(c) Purpose of the invention This invention adds elasticity in both thrust and radial directions to the belt receiving plate.
A curtain opening/closing system that provides a cushioning effect in the radial direction corresponding to the opening/closing direction of the curtain, and also allows the belt that has bitten into the belt receiving plate to be easily restored to its original position, reducing the starting load. The purpose is to provide drive pulleys for
(ニ) 考案の要約
この考案は、軸部とフランジ部とを備えたプー
リ本体を設け、このプーリ本体のフランジ部一側
面に複数の突軸を一体形成し、これら各突軸に弾
性リングを装着し、前記突軸の位置に対応して形
成した孔部を上記各弾性リングの外周に係入させ
た一対のベルト受板を設け、上記各弾性リング上
の各突軸に座板を係入し、この座板を突軸先端部
で固定し、プーリ本体と座板との間において上記
一対のベルト受板を弾性リングを介して弾力挟持
したカーテン開閉用駆動プーリであることを特徴
とする。(d) Summary of the invention In this invention, a pulley body is provided with a shaft portion and a flange portion, a plurality of protruding shafts are integrally formed on one side of the flange portion of the pulley body, and an elastic ring is attached to each of these protruding shafts. A pair of belt receiving plates are provided in which holes formed corresponding to the positions of the protruding shafts are engaged with the outer periphery of each of the elastic rings, and seat plates are engaged with each of the protruding shafts on each of the elastic rings. The drive pulley for opening and closing a curtain is characterized in that the seat plate is fixed at the tip of the protruding shaft, and the pair of belt receiving plates are elastically sandwiched between the pulley body and the seat plate via an elastic ring. do.
(ホ) 考案の効果
この考案によれば、上述の一対のベルト受板は
プーリ本体と座板との間において弾性リングを介
して弾力挟持されると共に、その孔部を弾性リン
グ外周に係入させているので、スラスト方向およ
びラジアル方向の両方向に弾力移動することが可
能であり、この結果、カーテンの開閉方向と対応
するラジアル方向の緩衝効果（ベルトの滑り防止
およびシヨツク緩衝）を得ることができる効果が
ある。(e) Effects of the invention According to this invention, the above-mentioned pair of belt receiving plates are elastically held between the pulley body and the seat plate via the elastic ring, and the hole is inserted into the outer periphery of the elastic ring. As a result, it is possible to move elastically in both the thrust direction and the radial direction, and as a result, it is possible to obtain a cushioning effect (belt slip prevention and shock cushioning) in the radial direction corresponding to the opening/closing direction of the curtain. There is an effect that can be achieved.
しかも、ベルト受板にベルトが食込んでも、こ
のベルトを上述の弾性リングのラジアル方向への
復元力により元位置へ容易に復元させることがで
きるので、起動時のベルト食込み現象をなくし、
起動負荷の低減を図ることができる効果がある。 Moreover, even if the belt digs into the belt support plate, the belt can be easily restored to its original position by the restoring force in the radial direction of the elastic ring described above, eliminating the phenomenon of belt digging during startup.
This has the effect of reducing the starting load.
(ヘ) 考案の実施例
この考案の一実施例を以下図面に基づいて詳述
する。(F) Embodiment of the invention An embodiment of the invention will be described below in detail based on the drawings.
図面はカーテン開閉用駆動プーリを示し、第１
図、第２図において、このカーテン開閉用駆動プ
ーリ１は、原動軸（図外）を嵌合する中空状の軸
部２とフランジ部３とを備えたプーリ本体４を設
け、このプーリ本体４の上述のフランジ部３上側
面において同一円周上に90度の等間隔で合計４つ
の突軸５……を一体形成している。 The drawing shows the drive pulley for opening and closing the curtain, and the first
2, the curtain opening/closing drive pulley 1 is provided with a pulley body 4 having a hollow shaft portion 2 into which a driving shaft (not shown) is fitted and a flange portion 3. A total of four protruding shafts 5 are integrally formed on the same circumference at equal intervals of 90 degrees on the upper surface of the flange portion 3 described above.
上述のプーリ本体４はポリカーボネート等の硬
質合成樹脂や金属で形成する。 The above-mentioned pulley body 4 is made of hard synthetic resin such as polycarbonate or metal.
前述の合計４つの各突軸５……にはゴム材等の
弾性材よりなる第１弾性リング６……を装着して
いる。 A first elastic ring 6 made of an elastic material such as rubber is attached to each of the above-mentioned four protruding shafts 5 in total.
これらの各第１弾性リング６……はその中央に
透孔６ａを有すると共に、下部外周に鍔６ｂを一
体形成したリングである。 Each of these first elastic rings 6... has a through hole 6a at its center, and a collar 6b integrally formed on the outer periphery of the lower part.
前述の突軸５……の位置に対応してリング６外
周に嵌合し得る孔部７ａ……を穿設した金属製の
第１ベルト受板７を設け、この第１ベルト受板７
の上述の孔部７ａを前述の各第１弾性リング６の
外周に係入させている。 A first belt receiving plate 7 made of metal is provided with holes 7a that can be fitted to the outer periphery of the ring 6 in correspondence with the positions of the above-mentioned protruding shafts 5.
The above-mentioned hole 7a is inserted into the outer periphery of each of the above-mentioned first elastic rings 6.
また前述の突軸５……の位置に対応してリング
６外周より若干大径の透孔８ａ……を穿設した小
径の金属製スペーサ８を設け、このスペーサ８の
上述の透孔８ａ……を前述の各第１弾性リング６
の外周に係入させ、このスペーサ８を第１ベルト
受板７上に配設している。 Further, a small-diameter metal spacer 8 having a through hole 8a slightly larger than the outer circumference of the ring 6 corresponding to the position of the above-mentioned protruding shaft 5 is provided, and the above-mentioned through hole 8a of this spacer 8 is provided. ... for each of the aforementioned first elastic rings 6
The spacer 8 is disposed on the first belt receiving plate 7 so as to fit into the outer periphery of the belt.
上述の合計４つの各突軸５……にはゴム材等の
弾性材よりなる第２弾性リング９……を装着して
いる。 A second elastic ring 9 made of an elastic material such as rubber is attached to each of the above-mentioned four protruding shafts 5 in total.
これらの各第２弾性リング９は前述の第１弾性
リング６……と同様に、その中央に透孔９ａを有
すると共に上部外周に鍔９ｂを一体形成したリン
グである。 Each of these second elastic rings 9 is a ring having a through hole 9a in the center and integrally formed with a collar 9b on the outer periphery of the upper part, similar to the first elastic rings 6 described above.
そして、前述の突軸５……の位置に対応してリ
ング９外周に嵌合し得る孔部１０ａ……を穿設し
た金属製の第２ベルト受板１０を設け、この第２
ベルト受板１０の上述の孔部１０ａ……を前述の
各第２弾性リング９の外周に係入させている。 Then, a second belt support plate 10 made of metal is provided, which has holes 10a that can be fitted to the outer periphery of the ring 9 corresponding to the positions of the above-mentioned protruding shafts 5.
The above-mentioned holes 10a of the belt receiving plate 10 are inserted into the outer periphery of each of the above-mentioned second elastic rings 9.
さらに、前述の突軸５……の位置に対応して透
孔１１ａを穿設した金属製もしくはポリカーボネ
ート等の硬質合成樹脂製の円板状の座板１１を設
け、この座板１１の上述の透孔１１ａを突軸５…
…の先端部に係入し、この座板１１を突軸５の先
端かしめ部５ａ……で固定して、プーリ本体４と
座板１１との間において前述の上下一対の第１、
第２ベルト受板７，１０を弾性リング６，９を介
して弾力挟持している。 Further, a disk-shaped seat plate 11 made of metal or hard synthetic resin such as polycarbonate is provided, and has through holes 11a bored therein corresponding to the positions of the above-mentioned protruding shafts 5... The through hole 11a is connected to the protruding shaft 5...
..., and fixes this seat plate 11 with the tip caulking portion 5a of the protruding shaft 5.
The second belt receiving plates 7 and 10 are elastically clamped via elastic rings 6 and 9.
また上述の一対のベルト受板７，１０によりＶ
溝部１２を形成している。 In addition, the pair of belt receiving plates 7 and 10 described above provide V
A groove portion 12 is formed.
このように構成したカーテン開閉用駆動プーリ
１は第３図に示すようにして使用に供する。 The drive pulley 1 for opening and closing the curtain thus constructed is put into use as shown in FIG.
すなわち、この駆動プーリ１のＶ溝部１２にエ
ンドレス状のベルト１３の一端を張架し、該ベル
ト１３の他端はガイドプーリ１４に張架する。 That is, one end of an endless belt 13 is stretched over the V-groove portion 12 of the drive pulley 1, and the other end of the belt 13 is stretched around the guide pulley 14.
そして、このベルト１３の奥側部１３ａに右カ
ーテン１５用の先頭ランナ１６を固定すると共
に、手前側部１３ｂには左カーテン１７用の先頭
ランナ１８を固定する。 A leading runner 16 for the right curtain 15 is fixed to the back side 13a of the belt 13, and a leading runner 18 for the left curtain 17 is fixed to the front side 13b.
さらに、上述の各先頭ランナ１６，１８と、こ
れら各ランナ１６，１８に対応するカーテン１
５，１７の端部とを係止具１９，２０で互に連結
して使用に供する。 Further, each of the above-mentioned leading runners 16 and 18 and the curtain 1 corresponding to each of these runners 16 and 18 are provided.
5 and 17 are connected to each other by locking tools 19 and 20 for use.
このようにして使用に供される駆動プーリ１は
ベルト１３負荷およびプーリ１の慣性等により、
該プーリ１のＶ溝部１２にベルト１３が食込む
が、前述の第１、第２弾性リング６，９によりス
ラスト方向およびラジアル方向の両方向へ前述の
第１、第２ベルト受板を弾力移動させ、この両方
向への緩衝効果すなわち、滑り防止効果およびシ
ヨツク緩和効果を発揮する。 The drive pulley 1 used in this way is affected by the load of the belt 13 and the inertia of the pulley 1.
The belt 13 bites into the V-groove 12 of the pulley 1, but the first and second belt receiving plates are elastically moved in both the thrust direction and the radial direction by the first and second elastic rings 6 and 9. , exerts a buffering effect in both directions, that is, an anti-slip effect and a shock-reducing effect.
特に、カーテン１５，１７の開閉方向と対応す
るラジアル方向の緩衝効果を得ることができる。 In particular, a buffering effect in the radial direction corresponding to the opening/closing direction of the curtains 15, 17 can be obtained.
しかも、ベルト受板７，１０にベルト１３が食
込んで停止しても、このベルト１３を上述の弾性
リング６，９のラジアル方向への復元力により元
位置へ容易に復帰させることができるので、起動
時のベルト食込み現象をなくし、起動負荷の低減
を図ることができる効果がある。 Furthermore, even if the belt 13 bites into the belt receiving plates 7, 10 and stops, the belt 13 can be easily returned to its original position by the restoring force in the radial direction of the elastic rings 6, 9. This has the effect of eliminating the belt digging phenomenon during startup and reducing the startup load.
なお、上記実施例においては、座板１１を突軸
５の先端かしめ部５ａ……で固定したが、突軸５
先端部にネジ孔を螺設し、このネジ孔に螺合する
アジヤストボルトにより、上述の座板１１を該突
軸５先端部にて固定すべく構成してもよい。 In the above embodiment, the seat plate 11 is fixed by the tip caulking portion 5a of the protruding shaft 5, but the protruding shaft 5
A screw hole may be provided at the tip, and the above-mentioned seat plate 11 may be fixed at the tip of the protruding shaft 5 by an adjustment bolt screwed into the screw hole.
図面はこの考案の一実施例を示し、第１図はカ
ーテン開閉用駆動プーリの半裁断面図、第２図は
カーテン開閉用駆動プーリの分解斜視図、第３図
は駆動プーリの使用状態を示す概略図である。
１……カーテン開閉用駆動プーリ、２……軸
部、３……フランジ部、４……プーリ本体、５…
…突軸、５ａ……先端かしめ部、６……第１弾性
リング、７……第１ベルト受板、７ａ……孔部、
９……第２弾性リング、１０……第２ベルト受
板、１０ａ……孔部、１１……座板。
The drawings show one embodiment of this invention; Fig. 1 is a half-cut sectional view of the driving pulley for opening and closing the curtain, Fig. 2 is an exploded perspective view of the driving pulley for opening and closing the curtain, and Fig. 3 shows the state in which the driving pulley is used. It is a schematic diagram. 1... Driving pulley for curtain opening/closing, 2... Shaft portion, 3... Flange portion, 4... Pulley body, 5...
... protruding shaft, 5a ... tip caulking part, 6 ... first elastic ring, 7 ... first belt receiving plate, 7a ... hole,
9... Second elastic ring, 10... Second belt receiving plate, 10a... Hole, 11... Seat plate.
Claims (1)
け、 このプーリ本体のフランジ部一側面に複数の突
軸を一体形成し、これら各突軸に弾性リングを装
着し、 前記突軸の位置に対応して形成した孔部を上記
各弾性リングの外周に係入させた一対のベルト受
板を設け、上記各弾性リング上の各突軸に座板を
係入し、この座板を突軸先端部で固定し、プーリ
本体と座板との間において上記一対のベルト受板
を弾性リングを介して弾力挟持した カーテン開閉用駆動プーリ。[Claims for Utility Model Registration] A pulley body having a shaft portion and a flange portion is provided, a plurality of protruding shafts are integrally formed on one side of the flange portion of the pulley body, and an elastic ring is attached to each of these protruding shafts. A pair of belt receiving plates are provided in which holes formed corresponding to the positions of the protruding shafts are inserted into the outer periphery of each of the elastic rings, and seat plates are inserted into each of the protruding shafts on each of the elastic rings. A drive pulley for opening and closing a curtain, in which the seat plate is fixed at the tip of the protruding shaft, and the pair of belt receiving plates are elastically sandwiched between the pulley body and the seat plate via an elastic ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6788585U JPH0355335Y2 (en) | 1985-05-07 | 1985-05-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6788585U JPH0355335Y2 (en) | 1985-05-07 | 1985-05-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61184491U JPS61184491U (en) | 1986-11-17 |
| JPH0355335Y2 true JPH0355335Y2 (en) | 1991-12-09 |
Family
ID=30602128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6788585U Expired JPH0355335Y2 (en) | 1985-05-07 | 1985-05-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0355335Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009100806A (en) * | 2007-10-19 | 2009-05-14 | Tachikawa Blind Mfg Co Ltd | Cord driving pulley of curtain |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101601083B1 (en) * | 2013-12-26 | 2016-03-08 | 현대자동차주식회사 | Pulley structure and damper pulley |
-
1985
- 1985-05-07 JP JP6788585U patent/JPH0355335Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009100806A (en) * | 2007-10-19 | 2009-05-14 | Tachikawa Blind Mfg Co Ltd | Cord driving pulley of curtain |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61184491U (en) | 1986-11-17 |
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