JPH0332662Y2 - - Google Patents
Info
- Publication number
- JPH0332662Y2 JPH0332662Y2 JP17840684U JP17840684U JPH0332662Y2 JP H0332662 Y2 JPH0332662 Y2 JP H0332662Y2 JP 17840684 U JP17840684 U JP 17840684U JP 17840684 U JP17840684 U JP 17840684U JP H0332662 Y2 JPH0332662 Y2 JP H0332662Y2
- Authority
- JP
- Japan
- Prior art keywords
- ladder
- telescoping
- pulley
- storage frame
- winding
- 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
- 238000004804 winding Methods 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Ladders (AREA)
Description
【考案の詳細な説明】
〔技術分野〕
この考案は、天井に設置して使用時に梯子部材
を伸長させ、階間の昇降用として利用する天井収
納型梯子ユニツトに関するものである。[Detailed Description of the Invention] [Technical Field] This invention relates to a ceiling-storable ladder unit that is installed on the ceiling and extends the ladder member when in use, and is used for going up and down between floors.
従来のこの種の天井収納型梯子ユニツトにおい
ては、伸縮梯子とともに蓋板を収納枠に対して開
閉するための駆動機構と、蓋板の開放状態で伸縮
梯子を伸縮するための駆動機構とが別々になつて
いた。
In this type of conventional ceiling storage type ladder unit, the drive mechanism for opening and closing the cover plate with the telescoping ladder relative to the storage frame and the drive mechanism for extending and retracting the telescoping ladder when the lid plate is open are separate. I was getting used to it.
そのため、両駆動機構が占めるスペースが大
きい、両駆動機構には動作の順序が定まつてい
るが、そのためには特別の制御回路を必要とす
る、駆動機構を２つも必要とする上に前記の制
御回路のためにコストが高くつく、両駆動機構
の動作が順序的に行われるため全動作の完了まで
に時間が多くかかるという問題があつた。 Therefore, both drive mechanisms occupy a large amount of space, both drive mechanisms have a fixed order of operation, which requires a special control circuit, two drive mechanisms are required, and the above-mentioned There are problems in that the cost is high because of the control circuit, and since the operations of both drive mechanisms are performed sequentially, it takes a long time to complete all operations.
この考案の目的は、駆動機構が１つですみ、低
廉であるとともに所定動作時間が少ない天井収納
型梯子ユニツトを提供することである。
The object of this invention is to provide a ceiling storage type ladder unit that requires only one drive mechanism, is inexpensive, and has a short predetermined operating time.
この考案の天井収納型梯子ユニツトは、上部梯
子部分にスライド移動自在に下部梯子部材を連結
した伸縮梯子と、この伸縮梯子の上部梯子部分に
固定した蓋板と、この蓋板を回動自在に取付けた
梯子収納枠と、伸縮梯子の上部梯子の両側面に設
けた第１の滑車と、梯子収納枠の対向内周面に設
けた第２の滑車と、巻取・繰出装置と、一端を伸
縮梯子の下部梯子部分に固定して中間部を第１の
滑車および第２の滑車に掛け渡し、他端を巻取・
繰出装置に固定した索条とを備えたものである。
The ceiling storage type ladder unit of this invention consists of a telescoping ladder in which a lower ladder member is slidably connected to the upper ladder part, a cover plate fixed to the upper ladder part of the telescoping ladder, and a cover plate that is rotatably connected to the upper ladder part. The attached ladder storage frame, the first pulley provided on both sides of the upper ladder of the telescoping ladder, the second pulley provided on the opposing inner peripheral surface of the ladder storage frame, the winding/feeding device, and one end. It is fixed to the lower part of the telescopic ladder, the middle part is stretched over the first pulley and the second pulley, and the other end is used for winding and
It is equipped with a cable fixed to the feeding device.
この考案の構成によれば、つぎの作用がある。 According to the configuration of this invention, there are the following effects.
(a) 一端を下部梯子部分に固定した索条の他端
が、上部梯子部分に設けた第１の滑車と収納枠
に設けた第２の滑車にわたつて掛け渡されてい
るから、この索条を巻取・繰出装置で引張るこ
とにより、下部梯子部分を上部梯子部分に接近
移動させて伸縮梯子を収縮させながら、下部梯
子部分と上部梯子部分とを一体的に上昇回動さ
せることができる。(a) One end of the cable is fixed to the lower ladder part, and the other end of the cable is stretched across the first pulley provided in the upper ladder part and the second pulley provided in the storage frame. By pulling the strip with a winding/feeding device, the lower ladder portion can be moved closer to the upper ladder portion and the telescopic ladder can be contracted, while the lower ladder portion and the upper ladder portion can be rotated upward as one unit. .
そして、上部梯子部分が蓋板に固定されてい
るから蓋板も一緒に上昇回動する。 Since the upper ladder portion is fixed to the lid plate, the lid plate also moves up and around.
すなわち、伸縮梯子の収縮による納まりと、
蓋板の上昇回動による閉止とが同時的に行われ
る。 In other words, the contraction of the extension ladder,
Closing by upward rotation of the lid plate is performed simultaneously.
(b) 逆に、索条を繰出すことにより、蓋板の開放
と、伸縮梯子の伸長とが同時的に行われる。(b) Conversely, by letting out the cable, the lid plate is opened and the telescoping ladder is extended simultaneously.
(c) 上記(a)，(b)ゆえに、駆動機構としての索条巻
取・繰出装置は１つあればよい。したがつて、
従来例に比べて、駆動機構にかかるコストを低
廉化できるとともに、駆動機構が占めるスペー
スを縮小できる。(c) Because of (a) and (b) above, only one cable winding/feeding device is sufficient as the drive mechanism. Therefore,
Compared to the conventional example, the cost of the drive mechanism can be reduced, and the space occupied by the drive mechanism can be reduced.
(d) 蓋板の開・閉と伸縮梯子の伸・縮とが同時的
に行なわれるため、全動作にかかる時間を短縮
化できる。(d) Since the opening/closing of the lid plate and the extension/retraction of the telescoping ladder are performed simultaneously, the time required for all operations can be shortened.
実施例
この考案の一実施例を第１図に基づいて説明す
る。第１図は天井収納型梯子ユニツトの斜視図で
ある。Embodiment An embodiment of this invention will be described based on FIG. FIG. 1 is a perspective view of a ceiling storage type ladder unit.
図において、１は伸縮梯子、１ａは伸縮梯子１
の上部梯子部分、１ｂは下部梯子部分、２は伸縮
梯子１の上部梯子部分１ａを取付けた蓋板、３は
蓋板２の端部を回動自在に取付けた収納枠であ
る。 In the figure, 1 is an extension ladder, 1a is an extension ladder 1
, 1b is the lower ladder part, 2 is a cover plate to which the upper ladder part 1a of the telescoping ladder 1 is attached, and 3 is a storage frame to which the end of the cover plate 2 is rotatably attached.
蓋板２の大きさは、伸縮梯子１を収縮状態にし
たときの伸縮梯子１の大きさよりも少し大きい。
したがつて、収縮状態にある伸縮梯子１は、蓋板
２と重なるようになつている。１ｃは伸縮梯子１
の踏板である。 The size of the cover plate 2 is slightly larger than the size of the telescoping ladder 1 when the telescoping ladder 1 is in a contracted state.
Therefore, the telescopic ladder 1 in the contracted state overlaps with the cover plate 2. 1c is extension ladder 1
It is a stepping stone.
収納枠３は、収縮状態にある伸縮梯子１を収納
できる大きさのものであり、蓋板２は、収納枠３
の開口部を完全に閉止できる大きさのものであ
る。この収納枠３は、天井面に埋め込み固定され
る。 The storage frame 3 has a size that can accommodate the telescopic ladder 1 in a contracted state, and the cover plate 2
It is large enough to completely close the opening. This storage frame 3 is embedded and fixed in the ceiling surface.
蓋板２の遊端部には、蓋板２を閉止姿勢に固定
するための固定具５が取付けられており、この固
定具５は、収納枠３の受け板６に対して係脱自在
に構成されている。 A fixture 5 for fixing the lid plate 2 in the closed position is attached to the free end of the lid plate 2, and this fixture 5 can be freely engaged with and detached from the receiving plate 6 of the storage frame 3. It is configured.
伸縮梯子１の上部梯子部分１ａの両側面には第
１の滑車４，４が取付けられ、収納枠３の対向内
面には第２の滑車７，７が取付けられている。収
納枠の一端には、駆動部ボツクス８が連設されて
おり、この駆動部ボツクス８にモータ９および変
速装置１０と回動軸１１と、回動軸１１の両端に
固定された巻取ドラム１２，１２とが内装されて
いて、これらが考案の構成にいう巻取・繰出装置
Ａの一例である。１３，１３は巻取ドラム１２，
１２に対向して収納枠３に形成された穴である。 First pulleys 4, 4 are attached to both sides of the upper ladder portion 1a of the telescoping ladder 1, and second pulleys 7, 7 are attached to the opposing inner surface of the storage frame 3. A drive unit box 8 is connected to one end of the storage frame, and the drive unit box 8 includes a motor 9, a transmission 10, a rotating shaft 11, and a winding drum fixed to both ends of the rotating shaft 11. 12, 12 are installed inside, and these are an example of the winding/feeding device A according to the configuration of the invention. 13, 13 is the winding drum 12,
This is a hole formed in the storage frame 3 opposite to the storage frame 12.
下部梯子部分１ｂの下端近くの両側面にワイヤ
やロープなどの可撓性の索条１４，１４が連設さ
れ、この索条１４，１４が第１の滑車４，４と第
２の滑車７，７とに巻き掛けられ、穴１３，１３
を通して巻取ドラム１２，１２に巻回固定されて
いる。 Flexible cables 14, 14 such as wires or ropes are connected to both sides near the lower end of the lower ladder portion 1b, and these cables 14, 14 connect the first pulleys 4, 4 and the second pulley 7. , 7 and holes 13, 13.
It is wound and fixed to the winding drums 12, 12 through.
１５は巻取・繰出装置Ａを遠隔操作するスイツ
チボツクスであり、収縮・閉止用のボタン１６と
伸長・開放用のボタン１７とを備えている。 Reference numeral 15 denotes a switch box for remotely controlling the winding/unwinding device A, and includes a button 16 for contraction/closing and a button 17 for extending/opening.
つぎに動作を説明する。 Next, the operation will be explained.
ボタン１６を押すとモータ９が正転し、索条
１４，１４を巻取ドラム１２，１２に巻取るた
め、第１の滑車４，４と第２の滑車７，７とに
巻き掛けられた索条１４，１４が引張られる。
すると、下部梯子部分１ｂがＸ方向に沿つて上
部梯子部分１ａに接近移動し、伸縮梯子１が収
縮されると同時に、収縮されつつある伸縮梯子
１と蓋板２とが一体的となつてＹ方向に沿つて
上昇回動する。 When the button 16 is pressed, the motor 9 rotates forward, and the cables 14, 14 are wound around the first pulleys 4, 4 and the second pulleys 7, 7 in order to wind them onto the winding drums 12, 12. The cables 14, 14 are pulled.
Then, the lower ladder portion 1b moves closer to the upper ladder portion 1a along the Rise and rotate along the direction.
伸縮梯子１が完全な収縮状態になつた時、あ
るいはそれより少し遅い時に、蓋板２が収納枠
３に対して完全に閉止された状態となる。 When the telescopic ladder 1 is completely retracted or a little later than that, the cover plate 2 is completely closed to the storage frame 3.
ボタン１７を押すとモータ９が逆転し、索条
１４，１４が巻取ドラム１２，１２から繰出さ
れる。すると、伸縮梯子１と蓋板２とが一体と
なつてＹ方向に沿つて下降回動されると同時
に、下降回動しつつある伸縮梯子１の下部梯子
部分１ｂが上部梯子部分１ａから遠ざかるよう
にＸ方向に沿つて突出移動する。 When button 17 is pressed, motor 9 is reversed and cables 14, 14 are unwound from take-up drums 12, 12. Then, the telescopic ladder 1 and the cover plate 2 are rotated downward in the Y direction together, and at the same time, the lower ladder portion 1b of the telescopic ladder 1, which is rotating downward, moves away from the upper ladder portion 1a. It moves protrudingly along the X direction.
伸縮梯子１の上端は予め蓋板２，収納枠３を
介して天井面に支持されており、一方下端は、
伸長の結果、床に支持されるので、伸縮梯子１
は安定する。 The upper end of the telescopic ladder 1 is supported in advance on the ceiling via a cover plate 2 and a storage frame 3, while the lower end is
As a result of the extension, it is supported by the floor, so the extension ladder 1
becomes stable.
この考案によれば、つぎの効果がある。 This idea has the following effects.
(a) 巻取・繰出装置による第１の滑車と第２の滑
車とに巻き掛けられた索条の繰出しによつて、
収納枠からの蓋板および伸縮梯子の下降回動と
伸縮梯子の伸長とが同時的に行なわれ、また、
索条の引張りによつて、伸縮梯子の収縮と蓋板
および伸縮梯子の上昇回動とが同時的に行われ
る。(a) By unwinding the cable wound around the first pulley and the second pulley by the winding/unwinding device,
The downward rotation of the cover plate and the telescoping ladder from the storage frame and the extension of the telescoping ladder are performed simultaneously, and
By tensioning the cable, the telescoping ladder simultaneously contracts and the cover plate and the telescoping ladder move upward.
したがつて、駆動機構としての索条巻取・繰
出装置を単一化することができ、駆動機構に要
するコストの低廉化と駆動機構が占めるスペー
スの縮小化とを一挙に達成することができる。 Therefore, the cable winding/feeding device as a drive mechanism can be unified, and the cost required for the drive mechanism can be reduced and the space occupied by the drive mechanism can be reduced all at once. .
(b) 上記(a)と同じ理由により、全動作に必要な時
間を短縮化することができる。(b) For the same reason as (a) above, the time required for all operations can be shortened.
第１図はこの考案の一実施例の斜視図である。
１…伸縮梯子、１ａ…上部梯子部分、１ｂ…下
部梯子部分、２…蓋板、３…収納枠、４…第１の
滑車、７…第２の滑車、１４…索条、Ａ…巻取・
繰出装置。
FIG. 1 is a perspective view of an embodiment of this invention. DESCRIPTION OF SYMBOLS 1... Telescopic ladder, 1a... Upper ladder part, 1b... Lower ladder part, 2... Cover plate, 3... Storage frame, 4... First pulley, 7... Second pulley, 14... Cable, A... Winding・
Feeding device.
Claims (1)
材を連結した伸縮梯子と、この伸縮梯子の上部梯
子部分に固定した蓋板と、この蓋板を回動自在に
取付けた梯子収納枠と、前記伸縮梯子の上部梯子
の両側面に設けた第１の滑車と、前記梯子収納枠
の対向内周面に設けた第２の滑車と、巻取・繰出
装置と、一端を前記伸縮梯子の下部梯子部分に固
定して中間部を前記第１の滑車および第２の滑車
に掛け渡し、他端を前記巻取・繰出装置に固定し
た索条とを備えた天井収納型梯子ユニツト。 A telescoping ladder in which a lower ladder member is slidably connected to an upper ladder portion, a lid plate fixed to the upper ladder portion of the telescoping ladder, a ladder storage frame to which the lid plate is rotatably attached, and the telescoping ladder. a first pulley provided on both sides of the upper ladder, a second pulley provided on the opposing inner peripheral surface of the ladder storage frame, a winding/feeding device, and one end attached to the lower ladder portion of the telescoping ladder. A ceiling-storage type ladder unit comprising a fixed cable whose middle part spans the first pulley and the second pulley, and whose other end is fixed to the winding/feeding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17840684U JPH0332662Y2 (en) | 1984-11-22 | 1984-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17840684U JPH0332662Y2 (en) | 1984-11-22 | 1984-11-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6191929U JPS6191929U (en) | 1986-06-14 |
| JPH0332662Y2 true JPH0332662Y2 (en) | 1991-07-11 |
Family
ID=30735975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17840684U Expired JPH0332662Y2 (en) | 1984-11-22 | 1984-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0332662Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH068592B2 (en) * | 1987-12-11 | 1994-02-02 | 前田工業株式会社 | Electric storage ladder |
| JPH07116896B2 (en) * | 1991-11-16 | 1995-12-18 | 大建工業株式会社 | Folding ladder unit |
-
1984
- 1984-11-22 JP JP17840684U patent/JPH0332662Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6191929U (en) | 1986-06-14 |
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