JPH03191184A - Telescopable hollow pole - Google Patents
Telescopable hollow poleInfo
- Publication number
- JPH03191184A JPH03191184A JP33222089A JP33222089A JPH03191184A JP H03191184 A JPH03191184 A JP H03191184A JP 33222089 A JP33222089 A JP 33222089A JP 33222089 A JP33222089 A JP 33222089A JP H03191184 A JPH03191184 A JP H03191184A
- Authority
- JP
- Japan
- Prior art keywords
- hollow pole
- screw
- screw feeding
- feeding member
- members
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000008602 contraction Effects 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
- E04H12/182—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic telescopic
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
この発明は、ポールの頂部に例えば照明器具テレビカメ
ラ等を取り付けて使用される伸縮式中空ポールに関する
。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention This invention relates to a retractable hollow pole that is used by attaching, for example, a lighting device, a television camera, etc. to the top of the pole.
従来の技術
従来の例えば照明用ポールは、一般にアルミニウム製テ
ーパー管よりなる固定式のものであり、照明電球の交換
のさいには、これを基礎から転倒させたり、あるいはポ
ールの高さの途中から折り曲げたりするものが知られて
いるが、いずれの場合にも、照明用ポールを横向きに倒
さなければならないので、電球の交換作業等が非常に面
倒であるとともに、ポールの設置場所に制限を受けた。Conventional technology Conventional lighting poles, for example, are generally fixed types made of tapered aluminum tubes, and when replacing a lighting bulb, they must be tipped over from their foundation or removed from the middle of the height of the pole. Lighting poles that can be bent are known, but in either case, the lighting pole must be turned sideways, making it extremely troublesome to replace light bulbs, and there are restrictions on where the pole can be installed. Ta.
ところで、ねじ送り機構により中空ポール部材を昇降さ
せる伸縮式中空ポールは既に公知である（例えば特開昭
６４−４９７６４号公報参照）。Incidentally, an extendable hollow pole in which a hollow pole member is raised and lowered by a screw feeding mechanism is already known (for example, see Japanese Patent Laid-Open No. 64-49764).
近年、このような伸縮式中空ポールの頂部に、例えばテ
レビカメラを取り付けて、遠隔操作により所要の高さか
ら撮影をすることが行なわれていた。In recent years, for example, a television camera has been attached to the top of such an extendable hollow pole to take pictures from a desired height by remote control.
発明が解決しようとする課題
上記のような公知の伸縮式中空ポールは、確かにポール
を横向きに倒すことなく、きわめて簡単にポール頂部に
照明電球やテレビカメラ等を取り付けることができ、し
かも設置場所の制限を受けることがないものであるが、
該伸縮式中空ポールは、ポール部材が３本接続されたも
のであり、ポール部材を４本以上接続することはできな
いものであるという問題があった。Problems to be Solved by the Invention The known telescoping hollow pole as described above certainly allows for the installation of lighting bulbs, television cameras, etc. on the top of the pole very easily without having to tilt the pole sideways, and also allows for easy installation of light bulbs, television cameras, etc. However, it is not subject to the restrictions of
The telescopic hollow pole has three pole members connected to each other, and there is a problem in that it is not possible to connect four or more pole members.
また従来は、外側の中空ポール部材に対して内側のねじ
送り部材を同数使用する必要があるため、比較的ねじ送
り部材の使用数が多く、伸縮式中空ポールの製造コスト
が高くつくという問題があった。Furthermore, in the past, it was necessary to use the same number of inner screw feed members as for the outer hollow pole members, which resulted in a relatively large number of screw feed members being used, leading to the problem of high manufacturing costs for retractable hollow poles. there were.
この発明の目的は、上記の従来技術の問題を解決し、ポ
ール昇降用のねじ機構が内蔵され、かつポール部材を４
本以上接続することができて、例えば中空ポールの頂部
にテレビカメラを取りイ；ｊけた場合に、遠隔操作によ
り所望の高さから撮影を行なうことができるとともに、
中空ボールの頂部に照明器具を取り付けた場合にも、ポ
ールを横向きに倒すことなく、きわめて簡単に電球の交
換作業等を行なうことかでき、しかもねじ送り部材の使
用数が少なく、中空ボールの製造コストがそれだけ安く
つくうえに、設置場所の制限を受けることがなく、また
ポール昇降機構等の余分な機構が外から見えないので、
外観が非常にきれいである、非常に便利な伸縮式中空ポ
ールを提供しようとするにある。An object of the present invention is to solve the above-mentioned problems of the prior art, and to provide a built-in screw mechanism for raising and lowering the pole, and a structure in which the pole member is
For example, if you install a TV camera at the top of a hollow pole, you can take pictures from a desired height by remote control.
Even when a lighting fixture is attached to the top of a hollow ball, it is possible to replace the light bulb extremely easily without having to turn the pole sideways.Furthermore, fewer screw feeders are used, making it easier to manufacture hollow balls. Not only is the cost low, there are no restrictions on installation location, and unnecessary mechanisms such as the pole lifting mechanism are not visible from the outside.
We are trying to provide a very convenient telescoping hollow pole that is very pretty in appearance.
課題を解決するための手段
この発明は、上記の目的を達成するために、スライド自
在であるが回転不可能に嵌め合わせられかつ上部のもの
より下部のものの横断面が大きくなされた少なくとも３
本の中空ポール部材を備えており、下部中空ポール部材
が基台上に垂直状に設置され、この下部中空ポール部材
の中央部において基台上に、外周面に雄ねじ部を有する
下部ねじ送り部材が回転自在に取り付けられ、各中間中
空ポール部材の下端に、中央部にねじ孔を有する底壁が
設けられ、かつこの底壁の上面に、外周面に雄ねじ部を
有する筒形中間ねじ送り部材が回転自在にかつねじ孔を
囲むように取り付けられ、上部中空ポール部材の下端に
、中央部にねじ孔を有する底壁が設けられ、下部ねじ送
り部材の下端に回転駆動力伝達手段が設けられており、
下部ねじ送り部材が、下部中空ポール部材より１段上位
の中間中空ポール部材の底壁のねじ孔にねじ込まれて、
該ねじ孔より上側に突出した下部ねじ送り部材部分が筒
形中間ねじ送り部材内にスライド自在に差し込まれると
ともに、下部ねじ送り部材と中間ねじ送り部材とがキー
を介して一体に回転するように結合され、中間ねじ送り
部材が、これが取り付けられている中間中空ポール部材
より１段上位の中間中空ポール部材の底壁のねじ孔にね
じ込まれて、該ねじ孔より上側に突出した中間ねじ送り
部材部分がこれより１段上位の筒形中間ねじ送り部材内
にスライド自在に差し込まれるとともに、該中間ねじ送
り部材とこれより１段上位の中間ねじ送り部材とがキー
を介して一体に回転するように結合されるか、または中
間ねじ送り部材が、これが取り付けられている中間中空
ボール部材より１段上位の上部中空ポル部材の底壁のね
じ孔にねじ込まれている、伸縮式中空ボールを要旨とし
ている。Means for Solving the Problems In order to achieve the above object, the present invention provides at least three parts that are slidably but non-rotatably fitted together and have a lower cross section larger than an upper part.
The lower hollow pole member is installed vertically on the base, and the lower screw feed member has a male thread on the outer circumferential surface on the base at the center of the lower hollow pole member. is rotatably attached, a bottom wall having a screw hole in the center is provided at the lower end of each intermediate hollow pole member, and a cylindrical intermediate screw feeding member having a male screw portion on the outer peripheral surface is provided on the upper surface of the bottom wall. is rotatably attached to surround the screw hole, a bottom wall having a screw hole in the center is provided at the lower end of the upper hollow pole member, and a rotational driving force transmission means is provided at the lower end of the lower screw feeding member. and
The lower screw feed member is screwed into the screw hole in the bottom wall of the intermediate hollow pole member one step higher than the lower hollow pole member,
The lower screw feeding member portion protruding upward from the screw hole is slidably inserted into the cylindrical intermediate screw feeding member, and the lower screw feeding member and the intermediate screw feeding member are rotated together through a key. An intermediate screw feeding member that is coupled and screwed into a screw hole in the bottom wall of an intermediate hollow pole member one level higher than the intermediate hollow pole member to which it is attached, and protrudes above the screw hole. The part is slidably inserted into a cylindrical intermediate screw feeding member one step higher than this, and the intermediate screw feeding member and the intermediate screw feeding member one step higher than this are rotated together through a key. or the intermediate screw feeding member is screwed into a threaded hole in the bottom wall of an upper hollow pole member that is one step higher than the intermediate hollow ball member to which it is attached. There is.
作 用
上記伸縮式中空ポールにおいて、中空ボールが最も縮め
られた状態で通常ハンドルを用いて手動であるいは特定
の工具を用いて電動で回転駆動力伝達手段を介して下部
ねじ送り部材を回転させると、これと一体に中間ねじ送
り部材が回転せしめられ、これらのねじ送り部材にねじ
合わされたねじ孔付き底壁を有する中間中空ポール部材
と上部中空ポール部材とが一緒に回転しようとするが、
これらの中空ボール部材はそれぞれこれより下位の中間
中空ポール部材および下部中空ボール部材に対してスラ
イド自在であるが、回転不可能に嵌め合わせられている
ため、回転することはできず、下部ねじ送り部材および
中間ねじ送り部材の回転に伴って相対的に中間中空ポー
ル部材と上部中空ボール部材とがそれぞれ上方へスライ
ドして上昇し、最終的に中空ポールが最も伸びた状態と
なる。Function In the telescopic hollow pole described above, when the hollow ball is in the most contracted state, the lower screw feeding member is rotated manually using the handle or electrically using a specific tool via the rotary driving force transmission means. , the intermediate screw feeding member is rotated together with this, and the intermediate hollow pole member and the upper hollow pole member having a bottom wall with a screw hole screwed together with these screw feeding members are about to rotate together,
These hollow ball members are slidable with respect to the lower intermediate hollow pole member and the lower hollow ball member, respectively, but because they are non-rotatably fitted, they cannot rotate, and the lower screw feed As the member and the intermediate screw feeding member rotate, the intermediate hollow pole member and the upper hollow ball member respectively slide upward and rise, and finally the hollow pole reaches its most extended state.
つぎに、中空ポールが最も伸ばされた状態からこれを縮
めるには、今度はハンドルあるいは特定の工具により回
転駆動力伝達手段を介して下部ねじ送り部材を上記の場
合と反対に回転させる。これにより、下部ねじ送り部材
と一体に中間ねじ送り部材が上記の場合と逆に回転せし
められ、これらのねじ送り部材の逆回転に伴って、上部
中空ポール部材および中間中空ポール部材が下方へスラ
イドして降下せしめられ、中空ポールは、最も縮められ
た状態に戻るものである。Next, in order to retract the hollow pole from its most extended state, the lower screw feed member is rotated in the opposite direction to the above case by means of a handle or a specific tool via the rotary driving force transmission means. As a result, the intermediate screw feeding member is rotated together with the lower screw feeding member in the opposite direction to the above case, and as these screw feeding members rotate in the opposite direction, the upper hollow pole member and the intermediate hollow pole member slide downward. The hollow pole returns to its most retracted state.
このように、この発明の伸縮式中空ポールによれば、中
空ポールにねじ機構が内蔵されているから、ハンドル等
を用いて下部ねじ送り部材を回転せしめるだけで、中空
ポールをきわめて容易に伸縮させることができ、しかも
中空ボール部材はこれを４本以上接続することができる
。As described above, according to the telescopic hollow pole of the present invention, since the hollow pole has a built-in screw mechanism, the hollow pole can be expanded and contracted very easily by simply rotating the lower screw feed member using a handle or the like. Moreover, four or more hollow ball members can be connected.
また上記伸縮式中空ポールは、外側の中空ボール部材の
使用数に対して内側のねじ送り部材の使用数が１つ少な
くて良く、従って従来のこの種の中空ポールに比べてね
じ送り部材の使用数が１つ少なくてすむ。In addition, the above-mentioned telescopic hollow pole requires one fewer inner screw feed member than the outer hollow ball member, and therefore requires less screw feed members than conventional hollow poles of this type. There is one less number.
実 施 例 つぎに、この発明の実施例を図面に基づいて説明する。Example Next, embodiments of the present invention will be described based on the drawings.
この発明による伸縮式中空ポール（１）は、上部中空ポ
ール部材（１１）と下部中空ポール部材（３１）の中間
に、３本の中間中空ポール部材（２１）が介在させられ
たものである。これらの中空ポール部材（１１）（２１
）（３１）はアルミニウム製で、それぞれ横断面が円形
でありかつ上部のものより下部のものほど横断面が大き
くなされている。The telescopic hollow pole (1) according to the present invention has three intermediate hollow pole members (21) interposed between an upper hollow pole member (11) and a lower hollow pole member (31). These hollow pole members (11) (21
) (31) are made of aluminum, each having a circular cross section, and the cross section of the lower portion is larger than that of the upper portion.
また、各中間中空ポール部材（２１）と下部中空ポール
部材（３１）のそれぞれ上端部内面右側にキー （２５
）（３５）がそれぞれ設けられ、これに対して上部中空
ポール部材（１１）と中間中空ポール部材（２１）の周
壁外面の同側にキー溝（１Ｂ） （２Ｂ）が設けられて
いて、これらのキー溝（１Ｂ）（２６）にキー（２５）
（３５）が嵌め込まれることにより、上部中空ポール部
材（１１）と中空ボール部ｔｌ’（２１）とがそれぞれ
これより下位の中間中空ポール部材（２１）および下部
中空ポール部材（３１）に対してスライド自在であるが
、回転不可能に嵌め合わせられている。In addition, a key (25
) (35), and key grooves (1B) and (2B) are provided on the same side of the outer surface of the peripheral wall of the upper hollow pole member (11) and the intermediate hollow pole member (21). Insert the key (25) into the keyway (1B) (26).
(35) is fitted, the upper hollow pole member (11) and the hollow ball part tl' (21) are connected to the lower intermediate hollow pole member (21) and lower hollow pole member (31), respectively. Although they are slidable, they are fitted together in a non-rotatable manner.
そして、下部中空ポール部材（３１）が基台（２）上に
垂直状に設置され、この下部中空ポール部材（３１）の
中央部において基台（２）上に、外周面に雄ねじ部（４
２）を有るとともに全長にわたってキー溝（４２）を有
する下部ねじ送り部材（４１）が垂直状にかつ回転自在
に取り付けられている。この下部ねじ送り部材（４１〉
の下端には垂直駆動軸（３）が接続されている。この駆
動軸（３）の下端部には水平傘歯車（回転駆動力伝達手
段）（５）が取り（＝ｆけられ、この傘歯車（５）は垂
直傘歯車（６）に９０度の角度をもってかみ合わせられ
、垂直傘歯車（６）の水平軸（７）は基台（２〉の側壁
とを貫通して、その外端部にハンドル（回転駆動手段）
（８）が取り付けられている。The lower hollow pole member (31) is installed vertically on the base (2), and the male threaded portion (4
2) and a lower screw feed member (41) having a keyway (42) along its entire length is vertically and rotatably mounted. This lower screw feed member (41)
A vertical drive shaft (3) is connected to the lower end of the . A horizontal bevel gear (rotational driving force transmission means) (5) is attached to the lower end of the drive shaft (3), and this bevel gear (5) is attached to the vertical bevel gear (6) at a 90 degree angle. The horizontal shaft (7) of the vertical bevel gear (6) passes through the side wall of the base (2) and has a handle (rotation drive means) at its outer end.
(8) is attached.
３つの中間中空ポール部材（２１）の各下端には、中央
部にねじ孔（２３）を有する底壁（２４）が設けられる
とともに、上部中空ポール部材（１１）の下端に、中央
部にねじ孔（１３）を有する底壁（１４）が設けられて
いる。また上部中空ポール部材（１１）の上端には頂壁
（１２）が設けられている。The lower end of each of the three intermediate hollow pole members (21) is provided with a bottom wall (24) having a screw hole (23) in the center, and the lower end of the upper hollow pole member (11) is provided with a screw hole (23) in the center. A bottom wall (14) with holes (13) is provided. Further, a top wall (12) is provided at the upper end of the upper hollow pole member (11).
また３つの中間中空ポール部材（２１）の底壁（２４）
の各上面に、外周面に雄ねじ部（５２）を有する筒形中
間ねじ送り部材（５１）がねじ孔（２３）を囲むように
配置されている。各中間ねじ送り部材（５１）の下端に
フランジ（５３）が外方突出状に取り付けられるととも
に、３つの中間中空ポール部材（２１）の底壁（２４）
の各上面に、ねじ孔（２３）を囲むように横断面ｌ形の
環状係合部材（２２）が取り付けられており、この環状
係合部材（２２）に上記フランジ（５３）が回転自在に
係り合わせられることにより、各中間中空ポール部材（
２１）の底壁（２４）に対して中間ねじ送り部材（５１
）が回転自在にかつ取り付けられている。Also, the bottom wall (24) of the three intermediate hollow pole members (21)
A cylindrical intermediate screw feeding member (51) having a male threaded portion (52) on its outer peripheral surface is arranged on each upper surface of the screw hole (23) so as to surround the screw hole (23). A flange (53) is attached to the lower end of each intermediate screw feeding member (51) in an outwardly projecting manner, and the bottom wall (24) of the three intermediate hollow pole members (21)
An annular engagement member (22) having an L-shaped cross section is attached to each upper surface of the screw hole (23) so as to surround the screw hole (23), and the flange (53) is rotatably attached to the annular engagement member (22). By being engaged, each intermediate hollow pole member (
The intermediate screw feeding member (51) is attached to the bottom wall (24) of the
) is rotatably attached.
なお、下部ねじ送り部材（４１）と中間ねじ送り部材（
５１）とは、下部のものより上部のものほど横断面が大
きくなされている。In addition, the lower screw feeding member (41) and the intermediate screw feeding member (
51), the cross section of the upper part is larger than that of the lower part.
そして下部中空ポール部材（３１）の下部ねじ送り部材
（４１）が、これより１段上位の中間中空ポール部材（
２１Ｃ）の底壁（２４）のねじ孔（２３）にねじ込まれ
て、該ねじ孔（２３）より上側に突出した下部ねじ送り
部材（４１）部分が筒形中間ねじ送り部材（５１Ｃ）内
にスライド自在に差し込まれるとともに、下部ねじ送り
部材（４１）と中間ねじ送り部材（５１Ｃ）とがキー（
５６）を介して一体に回転するように結合されている。Then, the lower screw feeding member (41) of the lower hollow pole member (31) is connected to the intermediate hollow pole member (
The lower screw feed member (41) portion that is screwed into the screw hole (23) of the bottom wall (24) of the cylindrical intermediate screw feed member (51C) and projects upward from the screw hole (23) is inserted into the cylindrical intermediate screw feed member (51C). It is slidably inserted, and the lower screw feeding member (41) and intermediate screw feeding member (51C) are inserted with the key (
56) so as to rotate together.
またこの下から１つ目の中間ねじ送り部材（５１Ｃ）が
、これが取り付けられている中間中空ポール部材（２１
Ｃ）より１段上位の中間中空ポール部材（２１Ｂ）の底
壁（２４）のねじ孔（２３）にねじ込まれて、該ねじ孔
（２３）より上側に突出した中間ねじ送り部材（５１Ｇ
）部分がこれより１段上位の筒形中間ねじ送り部材（５
１Ｂ）内にスライド自在に差し込まれるとともに、雨中
間ねじ送り部材（５１Ｃ） （５１ｂ）がキー（５Ｂ）
を介して一体に回転するように結合されている。ついで
この下から２つ目の中間ねじ送り部材（５１Ｂ）が、同
様にこれが取り付けられている中間中空ポール部材（２
１Ｂ）より１段上位の中間中空ポール部材（２１ａ）の
底壁（２４）のねじ孔（２３）にねじ込まれて、該ねじ
孔（２３）より上側に突出した中ｌｕｆねじ送り部材（
５１Ｂ）部分がこれより１段上位の筒形中間ねじ送り部
材（５１Ａ）内にスライド自在に差し込まれるとともに
、雨中間ねじ送り部材（５１１３）（５１ａ）がキー（
５８）を介して一体に回転するように結合され、最後に
下から３つ目の中間ねじ送り部材（５１Ａ）が、これが
取り付けられている中間中空ポール部材（２１Ａ）より
１段上位の上部中空ポール部材（１１）の底壁（１４）
のねじ孔（１３）にねじ込まれている。Also, the first intermediate screw feed member (51C) from the bottom is the intermediate hollow pole member (21C) to which it is attached.
An intermediate screw feed member (51G) is screwed into the screw hole (23) of the bottom wall (24) of the intermediate hollow pole member (21B) one step higher than C) and protrudes upward from the screw hole (23).
) part is the cylindrical intermediate screw feed member (5
1B), and the intermediate screw feed member (51C) (51b) is inserted into the key (5B).
are connected so that they rotate together. Next, the second intermediate screw feed member (51B) from the bottom is similarly attached to the intermediate hollow pole member (2
An intermediate luf screw feeding member (1B) is screwed into the screw hole (23) of the bottom wall (24) of the intermediate hollow pole member (21a) one step higher than the intermediate hollow pole member (21a) and protrudes upward from the screw hole (23).
51B) is slidably inserted into the cylindrical intermediate screw feeding member (51A) one step higher than this, and the rain intermediate screw feeding member (5113) (51a) is inserted into the key (51A).
58), and finally, the third intermediate screw feeding member (51A) from the bottom is attached to the upper hollow pole member (21A), which is one step higher than the intermediate hollow pole member (21A) to which it is attached. Bottom wall (14) of pole member (11)
is screwed into the screw hole (13).
上記伸縮式中空ポール（１）において、第１図と第３図
に示すように、中空ポール（１）が最も縮められた状態
では、外から内へと順に下部中空ポール部材（３１）、
３つの中間中空ポール部材（２ＩＣ） （２１Ｂ） （
２１Ａ）および上部中空ポール部材（１１）が重ね合わ
されるとともに、下部ねじ送り部材（４１）および３つ
の中間ねじ送り部材（５１Ｃ） （５１Ｂ）（５１Ａ）
が内から外へと順に重ね合わされている。In the telescopic hollow pole (1), as shown in FIGS. 1 and 3, when the hollow pole (1) is in the most contracted state, the lower hollow pole member (31),
Three intermediate hollow pole members (2IC) (21B) (
21A) and the upper hollow pole member (11) are superimposed, and the lower screw feeding member (41) and the three intermediate screw feeding members (51C) (51B) (51A)
are stacked one on top of the other in order from inside to outside.
この状態で中空ポール（１）の頂部に取り付けた照明器
具の電球の交換作業やテレビカメラの設定作業等をきわ
めて簡単に行なうことができる。In this state, it is possible to very easily replace the light bulb of the lighting fixture attached to the top of the hollow pole (1), set up the television camera, etc.
そして作業の終了後、中空ポール（１）を伸ばすには、
ハンドル（８）を例えば時計回りの方向に回転させれば
よい。And after finishing the work, to extend the hollow pole (1),
The handle (8) may be rotated, for example, in a clockwise direction.
これにより、水平軸（７）２つの傘歯車（５）（６）お
よび垂直駆動軸（３）を介して下部ねじ送り部材（４１
）および中間ねじ送り部材（５１Ｃ） （５１Ｂ） （
５１Ａ）が一体に回転せしめられ、これらのねじ送り部
材（４１）（５１Ｃ） （５１Ｂ） （５１Ａ）にねじ
合わされたねじ孔（２３） （１３）付き底壁（２４）
（１４）を有する中間中空ポール部材（２ＩＣ） （２
１Ｂ） （２１Ａ）と上部中空ポール部材（１１）とが
−緒に回転しようとするが、これらの中空ポール部材（
２１Ｃ） （２１Ｂ） （２１Ａ） （１１）はそれぞ
れこれより下位の中間中空ポール部材（２１Ｃ） （２
１Ｂ） （２１Ａ）および下部中空ポール部材（３１）
に対してスライド自在であるが、回転不可能に嵌め合わ
せられているため、回転することはできず、下部ねじ送
り部材（４１）および中間ねじ送り部材（５１Ｃ） （
５１Ｂ） （５１Ａ）の回転に伴って相対的に中間中空
ポール部材（２１Ｃ） （２１Ｂ） （２ＬＡ）と上部
中空ポール部材（１１）とがそれぞれ上方へスライドし
て上昇し、最終的に中空ポール（１）は、第４図と第５
図に示す最も伸びた状態となる。This allows the lower screw feed member (41
) and intermediate screw feed member (51C) (51B) (
51A) are rotated together, and the bottom wall (24) with screw holes (23) (13) screwed into these screw feed members (41), (51C), (51B), and (51A).
(14) Intermediate hollow pole member (2IC) having (2
1B) (21A) and the upper hollow pole member (11) try to rotate together, but these hollow pole members (
21C) (21B) (21A) (11) are lower intermediate hollow pole members (21C) (2
1B) (21A) and lower hollow pole member (31)
However, since they are fitted together in a non-rotatable manner, they cannot rotate, and the lower screw feed member (41) and the intermediate screw feed member (51C) (
51B) (51A), the intermediate hollow pole member (21C) (21B) (2LA) and the upper hollow pole member (11) slide upward and rise, and finally the hollow pole (1) is shown in Figures 4 and 5.
It will be in the most extended state shown in the figure.
つぎに、中空ポール（１）が最も伸びた状態からこれを
縮めるには、今度はハンドル（８）を上記の場合と反対
に回せばよい。これにより、下部ねじ送り部材（４１）
と中間ねじ送り部材（５１Ｃ）（５１Ｂ）（５１＾）が
上記の場合と逆に一体に回転せしめられ、これらのねじ
送り部材（４１） （５１Ｃ） （５１Ｂ）（５１Ａ）
の逆回転に伴って、中間中空ポール部材（２１Ｃ） （
２１Ｂ） （２１Ａ）および上部中空ポール部材（１１
）が下方へスライドして降下せしめられ、中空ポール（
１）は、第１図と第３図に示す最も縮められた状態に戻
るものである。Next, in order to retract the hollow pole (1) from its most extended state, the handle (8) should be turned in the opposite direction to the above case. As a result, the lower screw feed member (41)
and the intermediate screw feeding members (51C) (51B) (51^) are rotated together in the opposite way to the above case, and these screw feeding members (41) (51C) (51B) (51A)
With the reverse rotation of the intermediate hollow pole member (21C) (
21B) (21A) and the upper hollow pole member (11
) is slid downward and lowered, and the hollow pole (
1) returns to the most contracted state shown in FIGS. 1 and 3.
なお、下部ねじ送り部材（４１）および中間ねじ送り部
材（５１Ｃ） （５１Ｂ） （５１Ａ）の回転は、上記
のように、通常ハンドル（８）を用いて手動で行なうが
、場合によっては特定の工具を用いて電動で行なうこと
もできる。Note that the lower screw feeding member (41) and the intermediate screw feeding members (51C) (51B) (51A) are usually rotated manually using the handle (8) as described above, but in some cases, a specific It can also be done electrically using a tool.
また上記中空ポール（１）の頂部に、例えば照明器具、
テレビカメラ等を取り付けた場合には、該ポール（１）
に電線（図示路）等が内装されるので、このとき中空ポ
ール（１）にハンドル（８）の回転と連動する巻取り機
（図示路）を装備することにより、中空ポール部材（１
１）（２１Ａ）（２１Ｂ）（２１Ｃ）の上昇に伴って中
空ポール（１）内に電線を順次送り出すようにし、かつ
中空ポール部材（Ｉ Ｉ） （２＋Ａ） （２１Ｂ）
（２ＩＣ）の降下に伴って電線を巻き取るようにするの
が好ましい。Further, at the top of the hollow pole (1), for example, a lighting device,
If a TV camera, etc. is attached, the pole (1)
Since electric wires (path shown in the figure) etc. are installed inside the hollow pole member (1), the hollow pole member (1) is equipped with a winder (path shown in the figure) that is linked to the rotation of the handle (8).
1) As the (21A) (21B) (21C) rises, the electric wires are fed out into the hollow pole (1) in sequence, and the hollow pole member (I I) (2+A) (21B)
It is preferable to wind up the electric wire as the (2IC) descends.
なお、上記実施例においては、上部中空ポール部材（１
１）と下部中空ポール部材（３１）の間に、３本の中間
中空ポール部材（２１）が介在させられているが、中間
中空ポール部材（２１）は少なくとも１本介在されてお
ればよい。In addition, in the above embodiment, the upper hollow pole member (1
1) and the lower hollow pole member (31), three intermediate hollow pole members (21) are interposed, but it is sufficient that at least one intermediate hollow pole member (21) is interposed.
また図示の中空ポール部材（１１）（２］、）（３１）
は横断面円形であるが、これらは横断面四角形、六角形
もしくは六角形等の角形、あるいは楕円等のその他の形
状であってもよく、要するにすべての中空ポール部材（
１１）（２１） （３１）はスライド自在であるが回転
不可能に嵌め合わせられているものであればよい。なお
中空ポール部材（１１）（２１）（３１）の横断面形状
が角形あるいは楕円である場合には、キー（２５）（３
５）とキー溝（１Ｂ） （２Ｂ）は、勿論省略できる。Also shown are hollow pole members (11) (2], ) (31)
have a circular cross section, but they may also have a square cross section, a hexagon or a rectangular shape such as a hexagon, or other shapes such as an ellipse; in short, all hollow pole members (
11) (21) (31) may be slidable but fitted together in a non-rotatable manner. In addition, when the cross-sectional shape of the hollow pole member (11) (21) (31) is square or elliptical, the key (25) (3
5) and key grooves (1B) and (2B) can of course be omitted.
この発明による伸縮式中空ポール（１）は、これの上部
中空ポール部材（１１）の頂部に、照明器具およびテレ
ビカメラだけでなく、道路標識などのその他のものを取
り付けて使用することも勿論ある。The telescoping hollow pole (1) according to the present invention can of course be used by attaching not only lighting equipment and television cameras but also other things such as road signs to the top of the upper hollow pole member (11). .
発明の効果
この発明による伸縮式中空ポールは、上述のように、ス
ライド自在であるが回転不可能に嵌め合わせられかつ上
部のものより下部のものの横断面が大きくなされた少な
くとも３本の中空ポール部材を備えており、下部中空ポ
ール部材が基台上に垂直状に設置され、この下部中空ポ
ール部材の中央部において基台上に、外周面に雄ねじ部
を有する下部ねじ送り部材が回転自在に取り付けられ、
各中間中空ポール部材の下端に、中央部にねじ孔を有す
る底壁が設けられ、かつこの底壁の上面に、外周面に雄
ねじ部を有する筒形中間ねじ送り部材が回転自在にかつ
ねじ孔を囲むように取り付けられ、上部中空ポル部材の
下端に、中央部にねじ孔を有する底壁が設けられ、下部
ねじ送り部材の下端に回転駆動力伝達手段が設けられて
おり、下部ねじ送り部材が、下部中空ポール部材より１
段上位の中間中空ポール部材の底壁のねじ孔にねじ込ま
れて、該ねじ孔より上側に突出した下部ねじ送り部材部
分が筒形中間ねじ送り部材内にスライド自在に差し込ま
れるとともに、下部ねじ送り部材と中間ねじ送り部材と
がキーを介して一体に回転するように結合され、中間ね
じ送り部材が、これが取り付けられている中間中空ポー
ル部材より１段上位の中間中空ポール部材の底壁のねじ
孔にねじ込まれて、該ねじ孔より上側に突出した中間ね
じ送り部材部分がこれより１段上位の筒形中間ねじ送り
部材内にスライド自在に差し込まれるとともに、該中間
ねじ送り部材とこれより１段上位の中間ねじ送り部材と
がキーを介して一体に回転するように結合されるか、ま
たは中間ねじ送り部材が、これが取り付けられている中
間中空ボール部材より１段上位の上部中空ポール部材の
底壁のねじ孔にねじ込まれているもので、この発明の伸
縮式中空ポールによれば、中空ポール昇降用のねじ機構
が内蔵されているから、ハンドルを用いて手動で、ある
いは特定の工具を用いて電動で回転駆動力伝達手段を介
して下部ねじ送り部材を回転せしめるだけで、中空ポー
ルをきわめて容易に伸縮させることができる。しかもこ
の発明による中空ポールには、中空ポール部材を４本以
上接続することができるから、例えば中空ポールの頂部
にテレビカメラを取り付けた場合、遠隔操作により所望
の高さから撮影を行なうことができ、また中空ポールの
頂部に照明器具を取り付けた場合にも、従来のようにポ
ールを横向きに倒すことなく、きわめて簡単に電球の交
換作業等を行なうことができて、非常に便利である。Effects of the Invention As described above, the telescoping hollow pole according to the present invention includes at least three hollow pole members that are slidably but non-rotatably fitted together, and the cross section of the lower part is larger than that of the upper part. The lower hollow pole member is vertically installed on the base, and the lower screw feed member having a male thread on the outer peripheral surface is rotatably attached to the base at the center of the lower hollow pole member. is,
A bottom wall having a screw hole in the center is provided at the lower end of each intermediate hollow pole member, and a cylindrical intermediate screw feeding member having a male screw portion on the outer peripheral surface is rotatably mounted on the upper surface of the bottom wall and has a screw hole. A bottom wall having a screw hole in the center is provided at the lower end of the upper hollow Por member, a rotational driving force transmission means is provided at the lower end of the lower screw feeding member, and the lower screw feeding member However, 1 from the lower hollow pole member
The lower screw feed member portion that is screwed into the screw hole in the bottom wall of the upper intermediate hollow pole member and projects upward from the screw hole is slidably inserted into the cylindrical intermediate screw feed member, and the lower screw feed member The member and the intermediate screw feeding member are coupled to rotate together through a key, and the intermediate screw feeding member is attached to a screw on the bottom wall of the intermediate hollow pole member that is one step higher than the intermediate hollow pole member to which it is attached. The part of the intermediate screw feeding member that is screwed into the hole and protrudes above the screw hole is slidably inserted into the cylindrical intermediate screw feeding member one step higher than this, and the intermediate screw feeding member and one part from this The intermediate screw feeding member on the upper stage is connected to rotate together with the intermediate screw feeding member via a key, or the intermediate screw feeding member is attached to the upper hollow pole member one stage higher than the intermediate hollow ball member to which it is attached. The telescoping hollow pole of the present invention has a built-in screw mechanism for raising and lowering the hollow pole, so it can be moved manually using the handle or using a specific tool. The hollow pole can be expanded and contracted very easily by simply rotating the lower screw feeding member electrically via the rotary driving force transmission means. Moreover, since four or more hollow pole members can be connected to the hollow pole according to the present invention, for example, if a television camera is attached to the top of the hollow pole, it is possible to take pictures from a desired height by remote control. Furthermore, even when a lighting fixture is attached to the top of a hollow pole, it is very convenient to replace the light bulb without having to tilt the pole sideways as in the conventional method.
またこの発明の伸縮式中空ポールによれば、外側の中空
ポール部材の使用数に対して内側のねじ送り部材の使用
数が１つ少なくて良く、従来のこの種の中空ポールに比
べてねじ送り部材の使用数が１つ少なくてすむから、そ
れだけ中空ポールの製造コストが安くつく。そのうえ、
この発明の伸縮式中空ポールによれば、設置場所の制限
を受けることがなく、またポール昇降機構等の余分な機
構が外から見えないので、外観が非常にきれいであると
いう効果を奏する。Furthermore, according to the telescoping hollow pole of the present invention, the number of inner screw feeding members used is one less than the number of outer hollow pole members used, and compared to the conventional hollow pole of this type, the number of screw feeding members used is one less. Since one less member is required, the manufacturing cost of the hollow pole is reduced accordingly. Moreover,
According to the retractable hollow pole of the present invention, there is no restriction on the installation location, and extra mechanisms such as the pole lifting mechanism are not visible from the outside, so the appearance is very beautiful.
図面はこの発明の実施例を示すもので、第１図は中空ポ
ールが縮められた状態の縦断面図、第２図は第１図■−
■線に沿う断面図、第３図は中空ポールが縮められた状
態の概略縦断面図、第４図は中空ポールが伸ばされた状
態の概略縦断面図、第５図は同じく中空ポールが伸ばさ
れた概略斜視図である。
（１）・・・伸縮式中空ポール、（２）・・・基台、（
３）・・・垂直駆動軸、（５）・・・水平傘歯車（回転
駆動力伝達手段）、（８）・・・ハンドル、（１１）・
・・上部中空ポール部材、（１２）・・・頂壁、（１３
）（２３）・・・ねじ孔、（１４） （２４）・・・底
壁、（２５） （３５）・・・キー （１Ｂ） （２Ｂ
）（３６）・・・キー溝、（２１）・・・中間中空ポー
ル部材、（２２）・・・環状係合部材、（３１）・・・
下部中空ポール部材、（４１）・・・下部ねじ送り部材
、（４２）（５２）・・・雄ねじ部、（４Ｂ） （５［
ｉ）・・・キー溝、（５１）・・・中間ねじ送り部材、
（５３）・・・フランジ、（５５）・・・キー以 上
第１図The drawings show an embodiment of the present invention, and FIG. 1 is a vertical cross-sectional view of the hollow pole in a contracted state, and FIG.
■A cross-sectional view along the line, Figure 3 is a schematic vertical cross-sectional view of the hollow pole in a contracted state, Figure 4 is a schematic vertical cross-sectional view of the hollow pole in an extended state, and Figure 5 is a schematic vertical cross-sectional view of the hollow pole in an extended state. FIG. (1)...Telescopic hollow pole, (2)...Base, (
3) Vertical drive shaft, (5) Horizontal bevel gear (rotational drive force transmission means), (8) Handle, (11)
... Upper hollow pole member, (12) ... Top wall, (13
) (23)...Screw hole, (14) (24)...Bottom wall, (25) (35)...Key (1B) (2B
)(36)...key groove, (21)...middle hollow pole member, (22)...annular engagement member, (31)...
Lower hollow pole member, (41)... Lower screw feeding member, (42) (52)... Male threaded portion, (4B) (5[
i)...Keyway, (51)...Intermediate screw feeding member,
(53)...Flange, (55)...Key and above Figure 1
Claims (1)
上部のものより下部のものの横断面が大きくなされた少
なくとも３本の中空ポール部材（１１）（２１）（３１
）を備えており、下部中空ポール部材（３１）が基台（
２）上に垂直状に設置され、この下部中空ポール部材（
３１）の中央部において基台（２）上に、外周面に雄ね
じ部（４２）を有する下部ねじ送り部材（４１）が回転
自在に取り付けられ、各中間中空ポール部材（２１）の
下端に、中央部にねじ孔（２３）を有する底壁（２４）
が設けられ、かつこの底壁（２４）の上面に、外周面に
雄ねじ部（５２）を有する筒形中間ねじ送り部材（５１
）が回転自在にかつねじ孔（２３）を囲むように取り付
けられ、上部中空ポール部材（１１）の下端に、中央部
にねじ孔（１３）を有する底壁（１４）が設けられ、下
部ねじ送り部材（４１）の下端に回転駆動力伝達手段が
設けられており、下部ねじ送り部材（４１）が、下部中
空ポール部材（３１）より１段上位の中間中空ポール部
材（２１）の底壁（２４）のねじ孔（２３）にねじ込ま
れて、該ねじ孔（２３）より上側に突出した下部ねじ送
り部材（４１）部分が筒形中間ねじ送り部材（５１）内
にスライド自在に差し込まれるとともに、下部ねじ送り
部材（４１）と中間ねじ送り部材（５１）とがキー（５
６）を介して一体に回転するように結合され、中間ねじ
送り部材（５１）が、これが取り付けられている中間中
空ポール部材（２１）より１段上位の中間中空ポール部
材（２１）の底壁（２４）のねじ孔（２３）にねじ込ま
れて、該ねじ孔（２３）より上側に突出した中間ねじ送
り部材（５１）部分がこれより１段上位の筒形中間ねじ
送り部材（５１）内にスライド自在に差し込まれるとと
もに、該中間ねじ送り部材（５１）とこれより１段上位
の中間ねじ送り部材（５１）とがキー（５６）を介して
一体に回転するように結合されるか、または中間ねじ送
り部材（５１）が、これが取り付けられている中間中空
ポール部材（２１）より１段上位の上部中空ポール部材
（１１）の底壁（１４）のねじ孔（１３）にねじ込まれ
ている、伸縮式中空ポール。at least three hollow pole members (11) (21) (31) slidably but non-rotatably fitted and having a lower cross section larger than the upper one;
), and the lower hollow pole member (31) is equipped with a base (
2) This lower hollow pole member (
A lower screw feeding member (41) having a male threaded portion (42) on the outer peripheral surface is rotatably attached to the base (2) at the center of the pole member (31), and at the lower end of each intermediate hollow pole member (21), Bottom wall (24) with a screw hole (23) in the center
is provided, and a cylindrical intermediate screw feeding member (51) having a male threaded portion (52) on the outer peripheral surface is provided on the upper surface of the bottom wall (24).
) is rotatably attached so as to surround the screw hole (23), and a bottom wall (14) having a screw hole (13) in the center is provided at the lower end of the upper hollow pole member (11), and the lower screw A rotational driving force transmission means is provided at the lower end of the feeding member (41), and the lower screw feeding member (41) is connected to the bottom wall of the intermediate hollow pole member (21) which is one step higher than the lower hollow pole member (31). (24) is screwed into the screw hole (23), and the portion of the lower screw feed member (41) that protrudes upward from the screw hole (23) is slidably inserted into the cylindrical intermediate screw feed member (51). At the same time, the lower screw feeding member (41) and the intermediate screw feeding member (51) are connected to the key (5).
6), and the intermediate screw feeding member (51) is connected to the bottom wall of the intermediate hollow pole member (21) one step higher than the intermediate hollow pole member (21) to which it is attached. The intermediate screw feeding member (51) that is screwed into the screw hole (23) of (24) and protrudes upward from the screw hole (23) is inside the cylindrical intermediate screw feeding member (51) one step higher than this. The intermediate screw feeding member (51) is slidably inserted into the intermediate screw feeding member (51) and the intermediate screw feeding member (51) one step above the intermediate screw feeding member (51) is connected to rotate together via a key (56), or Or, the intermediate screw feed member (51) is screwed into the screw hole (13) in the bottom wall (14) of the upper hollow pole member (11) that is one step higher than the intermediate hollow pole member (21) to which it is attached. A retractable hollow pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33222089A JPH03191184A (en) | 1989-12-20 | 1989-12-20 | Telescopable hollow pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33222089A JPH03191184A (en) | 1989-12-20 | 1989-12-20 | Telescopable hollow pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03191184A true JPH03191184A (en) | 1991-08-21 |
Family
ID=18252516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33222089A Pending JPH03191184A (en) | 1989-12-20 | 1989-12-20 | Telescopable hollow pole |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03191184A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100421468B1 (en) * | 2000-09-18 | 2004-03-11 | 한국수력원자력 주식회사 | Antenna Style Electric Pole |
| JP2013131812A (en) * | 2011-12-20 | 2013-07-04 | Toshiba Corp | Telescopic pole |
| CN104806065A (en) * | 2015-05-06 | 2015-07-29 | 王英英 | Communication tower capable of realizing self power generation |
| JP2018504542A (en) * | 2015-01-13 | 2018-02-15 | スン ギュ チョイ， | A column structure capable of ascending or descending and a railway signal light structure using the same |
| KR102077988B1 (en) * | 2019-04-23 | 2020-04-07 | 김도영 | Telescopic pipe |
| WO2020236114A1 (en) * | 2019-05-17 | 2020-11-26 | Altinay Havacilik Ve İleri̇ Teknoloji̇ler Sanayi̇ Ti̇caret Anoni̇m Şi̇rketi̇ | Telescopic mast system |
| CN113915208A (en) * | 2021-10-12 | 2022-01-11 | 金到映 | Telescopic pipe for safe telescopic heavy mechanical part |
| US20220348444A1 (en) * | 2019-12-03 | 2022-11-03 | Zhejiang Jiecang Linear Motion Technology Co., Ltd. | Lifting column with low retracted height |
-
1989
- 1989-12-20 JP JP33222089A patent/JPH03191184A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100421468B1 (en) * | 2000-09-18 | 2004-03-11 | 한국수력원자력 주식회사 | Antenna Style Electric Pole |
| JP2013131812A (en) * | 2011-12-20 | 2013-07-04 | Toshiba Corp | Telescopic pole |
| JP2018504542A (en) * | 2015-01-13 | 2018-02-15 | スン ギュ チョイ， | A column structure capable of ascending or descending and a railway signal light structure using the same |
| CN104806065A (en) * | 2015-05-06 | 2015-07-29 | 王英英 | Communication tower capable of realizing self power generation |
| KR102077988B1 (en) * | 2019-04-23 | 2020-04-07 | 김도영 | Telescopic pipe |
| WO2020218718A1 (en) * | 2019-04-23 | 2020-10-29 | 김도영 | Telescopic tube |
| US11851308B2 (en) | 2019-04-23 | 2023-12-26 | Do Young Kim | Telescopic pipe |
| WO2020236114A1 (en) * | 2019-05-17 | 2020-11-26 | Altinay Havacilik Ve İleri̇ Teknoloji̇ler Sanayi̇ Ti̇caret Anoni̇m Şi̇rketi̇ | Telescopic mast system |
| US20220348444A1 (en) * | 2019-12-03 | 2022-11-03 | Zhejiang Jiecang Linear Motion Technology Co., Ltd. | Lifting column with low retracted height |
| US11975953B2 (en) * | 2019-12-03 | 2024-05-07 | Zhejiang Jiecang Linear Motion Technology Co., Ltd. | Lifting column with low retracted height |
| CN113915208A (en) * | 2021-10-12 | 2022-01-11 | 金到映 | Telescopic pipe for safe telescopic heavy mechanical part |
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