JPH08164060A

JPH08164060A - Prop device

Info

Publication number: JPH08164060A
Application number: JP30934594A
Authority: JP
Inventors: Soichi Akaishi; 宗一赤石
Original assignee: AKAISHI KOGYO KK
Current assignee: AKAISHI KOGYO KK
Priority date: 1994-12-13
Filing date: 1994-12-13
Publication date: 1996-06-25
Anticipated expiration: 2013-10-08
Also published as: JP2807184B2

Abstract

PURPOSE: To provide a prop device capable of securing and reinforcing fixing between inner and outer tubes, showing the prop function, easily adjusting the prop strength and preventing damages on prop meeting faces. CONSTITUTION: This prop device is equipped with inner and outer tubes 2 and 3 extensible in the axis direction, a fixing tool 4 for tubes 2 and 3, and a pressing tool 5 to give pressing force to tubes 2 and 3. The fixing tool 4 comprises a inserted material 7 to be outward inserted by the outer tube end, a fastening inserting material 8 slidably outward inserted to the inner tube 2, and a fastening outer tube 9 outward fitting to the fitting material 8, and the inserting faces of both inserting materials 8 and 9 are to be eccentric faces 14 and 21. By rotating the fastening outer tube 9, the fastening inserting material 8 is reduced in the diameter via the eccentric faces 14 and 21 to make the whole inner face strongly contact and fix to the outer face of the inner tube 2, and to make the diameter of the fastening inserting material 8 reduced via a taper inserting 11 and 15 between the inserted material 7 and the fastening inserting material 8 to strongly contact and fix the whole inner face to the outer periphery face of the inner tube 2.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は、互いに対向する固定対
向面間に突張って支持する突張装置、例えば、のれん掛
棒、カーテンポール、物干棒、突張り棚、突張り支柱等
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tensioning device for thrusting and supporting between fixed facing surfaces facing each other, for example, a goodwill rod, a curtain pole, a clothes rod, a stretch shelf, and a stretch strut. It is a thing.

【０００２】[0002]

【従来の技術】従来、この種の突張装置として、軸線方
向に伸縮自在な１組の内・外管と、該内・外管を固定す
る固定装置と、内・外管に軸線方向の押圧力を与える押
圧装置とを有し、互いに対向する対向面間に配された前
記内・外管を伸長させて突張り支持するようにしたもの
が知られている（例えば実公平３−３５１７１号公報参
照）。2. Description of the Related Art Conventionally, as a tensioning device of this type, a set of inner and outer pipes which are expandable and contractible in the axial direction, a fixing device for fixing the inner and outer pipes, and an axial direction for the inner and outer pipes are provided. It is known to have a pressing device that applies a pressing force, and to extend and support the inner and outer pipes arranged between the facing surfaces facing each other (for example, Japanese Utility Model Publication No. 3-35171). (See the official gazette).

【０００３】そして、この突張装置の固定装置は、外管
の端部に外嵌された筒状の嵌合部材と、該嵌合部材に挿
通された内管に軸方向摺動自在に外嵌された被嵌合部材
とからなり、嵌合部材の内管が挿通されている部分の外
周には、先端が小径のテーパー部が形成され、被嵌合部
材には前記テーパー部に対向するようにテーパー孔が設
けられており、該テーパー孔は内外管の軸線と交差する
ように傾斜している。The fixing device for the tensioning device has a cylindrical fitting member fitted on the end of the outer pipe and an outer pipe slidable in the axial direction on the inner pipe inserted through the fitting member. A tapered portion having a small diameter tip is formed on the outer circumference of a portion of the fitted member into which the inner tube is inserted, and the fitted member faces the tapered portion. Thus, the tapered hole is provided, and the tapered hole is inclined so as to intersect the axis of the inner and outer tubes.

【０００４】したがって、被嵌合部材を嵌合部材に対し
て回転させることにより、被嵌合部材が嵌合部材を介し
て内管に締付け固定され、内管が外管に対して軸方向摺
動しなくなる。また、前記押圧装置は、内管の外端に固
定されたナット部材を嵌着したリング状栓体と、該リン
グ及び内管外端に軸方向摺動可能に外嵌された握り部
と、該握り部内に一端が固着されかつ他端側に前記ナッ
ト部材が嵌合されたねじ棒と、握り部外端に固着された
突張り接当部材とから成っており、突張り接当部材及び
握り部が内管に対してその軸線方向に移動可能とされて
いる。Therefore, by rotating the fitted member with respect to the fitting member, the fitted member is clamped and fixed to the inner pipe via the fitting member, and the inner pipe slides axially with respect to the outer pipe. It doesn't move. Further, the pressing device is a ring-shaped plug body fitted with a nut member fixed to the outer end of the inner pipe, and a grip portion fitted to the ring and the outer end of the inner pipe so as to be slidable in the axial direction. The grip portion includes a threaded rod having one end fixed to the grip portion and the other end side fitted with the nut member, and a tension contact member fixed to the outer end of the grip portion. The grip portion is movable in the axial direction with respect to the inner pipe.

【０００５】[0005]

【発明が解決しようとする課題】ところで、上記固定装
置では、被嵌合部材が半径方向に撓むことによる弾性力
によって締付力を与えるものであるから、締付力が嵌合
部材を介して内管の外周面の一部分にだけに作用する。
したがって、十分な締付力が得られずしかも、押圧装置
により軸方向に押圧力が作用するので緩み易く、確実に
内外管を固定することができないという問題がある。By the way, in the above-mentioned fixing device, since the tightening force is applied by the elastic force due to the member to be fitted being bent in the radial direction, the tightening force is applied through the fitting member. Acting only on a part of the outer peripheral surface of the inner tube.
Therefore, there is a problem that a sufficient tightening force cannot be obtained and the pressing force acts in the axial direction by the pressing device so that the pressing device is easily loosened and the inner and outer pipes cannot be reliably fixed.

【０００６】また、従来の押圧装置では、ねじ機構によ
り軸方向の押圧力を与えるものであるから、突張り強さ
の調整ができず、突張り対向面に傷を付ける恐れがある
等の問題がある。本発明は、上述のような実状に鑑みて
なされたもので、その目的とするところは、内外管の固
定を確実強固にして緩むことなく突張り機能を発揮で
き、また、突張り強さの調整が容易でしかも突張り対向
面に傷を付ける恐れのない突張装置を提供するにある。Further, in the conventional pressing device, since the pressing force in the axial direction is applied by the screw mechanism, the thrust strength cannot be adjusted and the thrust facing surface may be damaged. There is. The present invention has been made in view of the actual situation as described above, and the purpose thereof is to reliably and firmly fix the inner and outer pipes and to exert a bulging function without loosening, and also to achieve a bulging strength of It is an object of the present invention to provide a tensioning device that is easy to adjust and does not damage the opposing surface of the tensioning device.

【０００７】[0007]

【課題を解決するための手段】本発明では、上記目的を
達成するために、次の技術的手段を講じた。即ち、第１
発明は、軸線方向に伸縮自在な内外管と、該内外管の伸
縮を固定する固定装置と、内外管に軸線方向の押圧力を
与える押圧装置とを有し、互いに対向する対向面間に配
された前記内外管を伸長させて突張り支持するようにし
た突張装置において、前記固定装置が、外管の一端部に
他端部側への移動を拘束されて外嵌される被嵌合材と、
該被嵌合材の端部に係合し且つ前記内管に軸方向移動可
能に外嵌された締付嵌合材と、該締付嵌合材に回動可能
に外嵌された締付外筒とから成り、前記締付嵌合材の外
周面と締付外筒の内面が偏心面に形成され、締付外筒を
回動することにより締付嵌合材が内管を締めつけて、締
付嵌合材と内管との軸方向相対移動が防止されるよう構
成されており、前記被嵌合材の端部にはテーパ孔が設け
られ、前記締付嵌合材の端部には、前記テーパ孔に嵌合
するテーパ嵌合部が設けられ、前記テーパ孔とテーパ嵌
合部とのテーパ嵌合が強くなると、前記テーパ嵌合部が
縮径して、内管との軸方向相対移動が防止されるよう構
成されていることを特徴とする。In order to achieve the above object, the present invention takes the following technical means. That is, the first
The invention has an inner and outer tube that is expandable and contractible in the axial direction, a fixing device that fixes expansion and contraction of the inner and outer tubes, and a pressing device that applies a pressing force in the axial direction to the inner and outer tubes. In the tensioning device for extending and supporting the inner and outer pipes, the fixing device is fitted to one end of the outer pipe while being restrained from moving toward the other end. Wood and
Tightening fitting material engaged with an end of the fitted material and externally fitted to the inner pipe so as to be axially movable, and tightening rotatably fitted to the fastening fitting material. An outer cylinder is formed, and the outer peripheral surface of the tightening fitting and the inner surface of the tightening outer sleeve are formed as eccentric surfaces, and the tightening outer sleeve is rotated to tighten the inner pipe. , Is configured to prevent relative movement in the axial direction between the tightening fitting material and the inner pipe, and a tapered hole is provided at an end portion of the fitted material, and an end portion of the tightening fitting material is formed. Is provided with a taper fitting portion that fits into the taper hole, and when the taper fitting between the taper hole and the taper fitting portion becomes strong, the taper fitting portion is reduced in diameter to form an inner pipe. It is characterized in that the relative movement in the axial direction is prevented.

【０００８】前記締付嵌合材は、筒体の周壁をその軸線
方向全長にわたって切開したもので、該締付嵌合材の外
周面が、その軸線方向中間部分において前記切開部の中
心から軸心を通る平面に対して反対称の偏心面とされ、
締付嵌合材に外嵌される締付外筒の内面が、前記締付嵌
合材の外周偏心面に対応した偏心面とするのが好まし
い。The tightening fitting material is formed by cutting a peripheral wall of a cylindrical body along its entire length in the axial direction, and the outer peripheral surface of the tightening fitting material is axially intermediate from the center of the cut portion. It is an eccentric surface that is anti-symmetric with respect to the plane passing through the heart,
It is preferable that the inner surface of the tightening outer cylinder externally fitted to the tightening fitting material is an eccentric surface corresponding to the outer peripheral eccentric surface of the tightening fitting material.

【０００９】前記被嵌合材のテーパー孔と、締付嵌合材
の外周面に、相互回り止め手段を設けるのが好まし
い。。前記締付嵌合体の外周に、テーパー状嵌合部の反
対側でかつ偏心面に近接して縮径部を設け、偏心面側の
軸方向端面に端面カムを設け、前記締付外筒の内周部に
前記端面カムに対応して端面カムを設けるのが好まし
い。Mutual detent means are preferably provided on the tapered hole of the mating member and the outer peripheral surface of the tightening mating member. . A reduced diameter portion is provided on the outer periphery of the tightening fitting body on the opposite side of the tapered fitting portion and in the vicinity of the eccentric surface, and an end surface cam is provided on the axial end surface on the eccentric surface side. It is preferable to provide an end face cam corresponding to the end face cam on the inner peripheral portion.

【００１０】第２の発明は、軸線方向に伸縮自在な内外
管と、該内外管を固定する固定装置と、内外管に軸線方
向の押圧力を与える押圧装置とを有し、互いに対向する
対向面間に配された前記内外管を伸長させて突張り支持
するようにした突張装置において、前記押圧装置が、内
又は外管の外端に嵌合され、かつねじ部を有する支持材
と、該支持材の前記ねじ部に螺合されて軸方向移動可能
とされたねじ部を有する支持筒と、該支持筒の外端部に
弾性体を介して軸方向移動可能に係止された突張り接当
部材とから成ることを特徴とする。A second aspect of the present invention has an inner and outer tube that is expandable and contractible in the axial direction, a fixing device that fixes the inner and outer tubes, and a pressing device that applies a pressing force in the axial direction to the inner and outer tubes. In a projecting device adapted to stretch and support the inner and outer pipes arranged between the surfaces, the pressing device is fitted to the outer end of the inner or outer pipe, and has a threaded support member. A support cylinder having a threaded portion that is screwed into the threaded portion of the support member and is movable in the axial direction; and an outer end portion of the support cylinder that is axially movable via an elastic body. And a strut contact member.

【００１１】前記接当部材がばね受筒体を介して支持筒
に外嵌されているよう構成するのが好ましい。前記接当
部材と前記支持筒とにより対向面への押圧強度を表示す
る押圧強度表示手段を設けるのが好ましい。It is preferable that the contact member is externally fitted to the support cylinder via a spring receiving cylinder. It is preferable to provide a pressing strength display means for displaying the pressing strength against the facing surface by the contact member and the support cylinder.

【００１２】[0012]

【作用】本発明によれば、内外管を、対向固定面に接触
するよう伸長させると共に、固定装置の締付嵌合材のテ
ーパー状嵌合部を、被嵌合材のテーパー孔に挿入した
後、締付外筒を一方向に所定角度回転させることによ
り、締付嵌合材外周と締付外筒内周の偏心面の作用によ
って、締付嵌合材が縮径しその内周面全体が内管外周面
に密着し、十分な締付力が確保され、締付嵌合材が外管
に強固に固定され、内外管が対向面間に仮止めされる。According to the present invention, the inner and outer pipes are extended so as to come into contact with the opposing fixed surfaces, and the tapered fitting portion of the fastening fitting material of the fixing device is inserted into the tapered hole of the fitted material. After that, by rotating the tightening outer cylinder by a predetermined angle in one direction, the eccentric surface of the outer circumference of the tightening fitting and the inner circumference of the tightening fitting reduces the diameter of the tightening fitting and reduces the inner circumference of the fitting fitting. The whole is in close contact with the outer peripheral surface of the inner pipe, a sufficient tightening force is secured, the tightening fitting material is firmly fixed to the outer pipe, and the inner and outer pipes are temporarily fixed between the facing surfaces.

【００１３】そして、押圧装置を作用させて内外管を軸
方向に押圧することにより、被嵌合材と締付嵌合材との
テーパ嵌合が強くなり、内外管の相対移動が完全に防止
され、押圧装置の押圧力が増大し、内外管を対向壁面間
に固定する。尚、被嵌合材と締付嵌合材が、回り止め手
段により相互に係止され、締付外筒の回転により締付嵌
合材が回転することがなく、固定操作が容易である。By pressing the inner and outer pipes in the axial direction by operating the pressing device, the taper fitting between the fitted material and the tightening fitting material is strengthened, and the relative movement of the inner and outer tubes is completely prevented. As a result, the pressing force of the pressing device increases, and the inner and outer tubes are fixed between the opposing wall surfaces. The fitted material and the tightening fitting material are mutually locked by the rotation preventing means, and the tightening fitting material does not rotate due to the rotation of the tightening outer cylinder, so that the fixing operation is easy.

【００１４】また、前記押圧装置の突張り接当部材は、
コイルばね等の弾性体の弾発力により対向面に押圧され
ており、前記支持外筒を回転させることにより、内管に
外嵌された支持材に対して支持外筒が軸線方向に移動
し、前記弾性体の弾性力が変化するので、突張り強さを
任意に調整することができる。そして、突張り接当部材
と支持外筒により構成される押圧強度指示手段を見て、
対向面の材料に応じて密着強度を調整することにより、
対向面に傷が付くのを防止できる。Further, the thrust contact member of the pressing device is
The support outer cylinder is pressed against the opposing surface by the elastic force of an elastic body such as a coil spring, and by rotating the support outer cylinder, the support outer cylinder moves in the axial direction with respect to the support material fitted on the inner pipe. Since the elastic force of the elastic body changes, the tensile strength can be adjusted arbitrarily. Then, looking at the pressing strength instructing means composed of the strut contact member and the supporting outer cylinder,
By adjusting the adhesion strength according to the material of the facing surface,
It is possible to prevent the opposite surface from being scratched.

【００１５】[0015]

【実施例】以下、本発明の実施例を図面に基づき説明す
る。図面において、１は突張装置で、内管２が外管３に
軸線方向に伸縮自在に挿入され、内外管２，３が固定装
置４により固定されると共に押圧装置５により軸線方向
の押圧力が与えられるようになっており、該押圧装置５
が内管２の外端に設けられ、外管３の外端３Ａには軟質
ゴム又は合成樹脂等からなる接当部材６が外嵌されてい
る。なお、前記内外管２，３は、金属製又は硬質合成樹
脂製とすることができる。Embodiments of the present invention will be described below with reference to the drawings. In the drawings, reference numeral 1 is a thrusting device, in which an inner tube 2 is inserted into an outer tube 3 so as to be able to expand and contract in the axial direction, the inner and outer tubes 2, 3 are fixed by a fixing device 4, and a pressing force in the axial direction by a pressing device 5. Is provided, and the pressing device 5
Is provided at the outer end of the inner pipe 2, and the abutting member 6 made of soft rubber or synthetic resin is fitted on the outer end 3A of the outer pipe 3. The inner and outer tubes 2 and 3 may be made of metal or hard synthetic resin.

【００１６】前記固定装置４は合成樹脂製で、外管３の
内端３Ｂに外嵌された筒状の被嵌合材７と、内管２に摺
動自在に外嵌された締付嵌合材８と、該嵌合材８に軸方
向摺動及び回動可能に外嵌された締付外筒９とから成っ
ている。前記被嵌合材７は、図２〜図５に示すように、
その内面の軸線方向一端部に外管嵌着部１０を備え、他
端部に外端に向って拡開されたテーパー孔からなる締付
嵌合材受入れ部１１を備えており、該受入れ部１１に
は、回り止め手段を構成する回り止め突起１２が対称的
に突設され、前記受入れ部１１側から外管嵌着部１０内
に内管２が出入自在とされている。The fixing device 4 is made of a synthetic resin, and has a cylindrical fitting member 7 externally fitted to the inner end 3B of the outer pipe 3 and a tightening fitting slidably fitted to the inner pipe 2. It is composed of a composite material 8 and a tightening outer cylinder 9 which is fitted onto the fitting material 8 so as to be slidable and rotatable in the axial direction. The fitted material 7 is, as shown in FIGS.
The inner surface is provided with an outer tube fitting portion 10 at one end in the axial direction, and the other end is provided with a tightening material receiving portion 11 formed of a tapered hole that is widened toward the outer end. A detent projection 12 that constitutes a detent means is symmetrically provided on the detent 11, and the inner tube 2 can be inserted into and removed from the outer tube fitting section 10 from the receiving section 11 side.

【００１７】前記締付嵌合材８は、図６〜図１４に示す
ように、筒体の周壁をその軸線方向全長にわたって切開
し切開部１３を設けたもので、該切開部１３を設けるこ
とによりその内径の縮径を容易にしている。そして、前
記締付嵌合材８は、その外周面が軸線方向中間部分にお
いて、前記切開部１３の中心から軸心を通る平面に対し
て反対称の偏心面１４，１４が形成され、該偏心面１４
の中心点Ｃ１が、締付嵌合材８中心ＣＯに対して前記切
開部１３方向及びその反対方向に夫々偏心Ｈし、同一曲
率半径Ｒとされている。As shown in FIGS. 6 to 14, the fastening fitting member 8 is formed by cutting the peripheral wall of the cylindrical body along the entire length in the axial direction thereof and providing the cutting portion 13. The cutting portion 13 is provided. This facilitates the reduction of the inner diameter. The fastening fitting member 8 has eccentric surfaces 14, 14 that are antisymmetric with respect to a plane passing through the axis from the center of the cutout 13 at the axially intermediate portion of the outer peripheral surface thereof. Surface 14
The center point C1 is eccentric H with respect to the center CO of the fastening fitting material 8 in the direction of the incision 13 and the opposite direction, and has the same radius of curvature R.

【００１８】また、締付嵌合材８の軸線方向の一端部外
周面がテーパー状の嵌合部１５とされ、前記被嵌合材７
の締付嵌合材受入れ部１１即ちテーパー孔に嵌合しうる
ようになっており、軸線方向他端部外周面が前記偏心面
１４に隣接して縮径され、該縮径部１６の偏心面１４側
端面に、締付嵌合材８を軸線方向に移動させる推進端面
カム１７，１７が設けられ、前記切開部１３の反対側周
壁に軸線方向両端部から偏心面１４側に割込み切欠部１
８，１９が設けられ、両切欠部１８，１９間８Ａを撓み
易くして、締付嵌合材８の内面全体が内管２の外周面に
密着するようにしてある。また、縮径部１６にも一部が
残るように周方向の切欠部１６Ａが設けられ、縮径部１
６を半径方向に撓み易くし、かつ締付外筒９の外嵌を容
易にしてある。Further, the outer peripheral surface of one end of the tightening fitting material 8 in the axial direction is a tapered fitting portion 15, and the fitted material 7 is
The fitting fitting receiving portion 11, that is, the tapered hole, can be fitted, and the outer peripheral surface of the other end portion in the axial direction is reduced in diameter adjacent to the eccentric surface 14, and the eccentric portion 16 is eccentric. Propulsion end surface cams 17, 17 for moving the fastening fitting 8 in the axial direction are provided on the end surface on the side of the surface 14, and an interrupt cutout portion is provided on the peripheral wall on the opposite side of the cutout portion 13 from both axial end portions to the eccentric surface 14 side. 1
8 and 19 are provided so that the notches 18 and 19 between the two cutouts 18 and 19 can be easily bent so that the entire inner surface of the fastening fitting material 8 is in close contact with the outer peripheral surface of the inner tube 2. Further, a cutout portion 16A in the circumferential direction is provided so that a part of the reduced diameter portion 16 remains, and the reduced diameter portion 1
6 is easily bent in the radial direction, and the tightening outer cylinder 9 is easily fitted on the outer circumference.

【００１９】そして、締付嵌合材８の前記嵌合部１５側
の内周端縁には、図９に示すように、環状小突起２０が
突設され、内管２の外周面への圧着性の向上が図られて
いる。また、締付嵌合材８の前記切開部１３と前記切欠
部１８に、被嵌合材７の回り止め突起１２が嵌入係合し
て、相互に回らないようにしてあり、前記突起１２と前
記切開部１３及び切欠部１８により回り止め手段が構成
されている。As shown in FIG. 9, an annular small projection 20 is provided on the inner peripheral edge of the tightening fitting member 8 on the fitting portion 15 side so as to extend to the outer peripheral surface of the inner pipe 2. The crimpability is improved. Further, the rotation preventing projections 12 of the fitted material 7 are fitted and engaged with the cutout portions 13 and the cutout portions 18 of the tightening fitting material 8 so as not to rotate with each other. The cutout portion 13 and the cutout portion 18 constitute a rotation stopping means.

【００２０】前記締付外筒９は、図１５〜図１８に示す
ように、円筒体からなり、その内周面には軸線方向両端
部を除いて、前記嵌合材８の偏心面１４に対応して偏心
面２１，２１が、中心Ｃに対して夫々前記偏心面１４と
同じ偏心量Ｈだけ偏心した点Ｃ１を中心として形成され
ており、偏心面２１の曲率半径Ｒも前記偏心面１４と同
じ曲率半径とされており、該偏心面２１が前記偏心面１
４に外嵌されるようになっている。As shown in FIGS. 15 to 18, the tightening outer cylinder 9 is made of a cylindrical body, and the inner peripheral surface of the tightening outer cylinder 9 is provided on the eccentric surface 14 of the fitting member 8 except both ends in the axial direction. Correspondingly, the eccentric surfaces 21, 21 are formed around a point C1 eccentric to the center C by the same eccentric amount H as that of the eccentric surface 14, and the radius of curvature R of the eccentric surface 21 is also the eccentric surface 14. Has the same radius of curvature as the eccentric surface 21.
It is designed to be fitted on the No.

【００２１】また、締付外筒９の一端部には内周側に、
前記嵌合材８の縮径部１６に外嵌しうる内向き鍔２２が
設けられ、該鍔２２の内側端面に前記端面カム１７に対
応して端面カム２３が設けられており、該カム２３が前
記カム１７に係合接触し、締付外筒９を回転させること
により、両端面カム１７，２３によって締付嵌合材８を
被嵌合材７の受入れ部１１に押し込むように推進するこ
とができるようになっている。Further, one end of the tightening outer cylinder 9 has an inner peripheral side,
An inward flange 22 that can be externally fitted to the reduced diameter portion 16 of the fitting member 8 is provided, and an end surface cam 23 corresponding to the end surface cam 17 is provided at an inner end surface of the flange 22. Engages with the cam 17 and rotates the tightening outer cylinder 9, thereby pushing the tightening fitting material 8 into the receiving portion 11 of the fitted material 7 by the cams 17 and 23 on both end surfaces. Is able to.

【００２２】そして、締付外筒９の外周面の軸線方向の
一端部には、軸線方向と平行な溝２４が設けられ、締付
外筒９を回し易くしてあり、他端部には偏心面２１の周
方向端を示す表示凹部２５が設けられている。前記押圧
装置５は、図１９〜図２４に示すように、前記内管２の
外端２Ａに外嵌された外周に雄ねじ部２６を有する支持
材２７と、前記雄ねじ部２６に螺合される雌ねじ部２８
を有する支持外筒２９と、該支持外筒２９の先端部に外
嵌されるばね筒３０と、ばね筒３０内に嵌装された弾性
体としての押圧用コイルばね３１及びばね筒３０に回動
自在に外嵌された突張り接当部材３２とから成ってい
る。A groove 24 parallel to the axial direction is provided at one end portion of the outer peripheral surface of the tightening outer cylinder 9 in the axial direction so that the tightening outer cylinder 9 can be easily rotated, and the other end portion thereof is provided. A display concave portion 25 that indicates the circumferential end of the eccentric surface 21 is provided. As shown in FIGS. 19 to 24, the pressing device 5 is screwed to the support member 27 having the male screw portion 26 on the outer periphery fitted on the outer end 2 </ b> A of the inner tube 2 and the male screw portion 26. Female thread 28
A support outer cylinder 29 having a spring, a spring cylinder 30 externally fitted to the tip of the support outer cylinder 29, a pressing coil spring 31 as an elastic body fitted in the spring cylinder 30 and a spring cylinder 30. It is composed of a tension contact member 32 which is movably fitted to the outside.

【００２３】前記支持材２７は、硬質合成樹脂製で、図
２０に示すように、軸線方向一端が膨径されて内管嵌着
部３３とされ、中間部分に内管嵌着部３３に続いて前記
雄ねじ部２６が設けられ、雄ねじ部２６の先端側が縮径
部３４とされ、該縮径部３４先端にコイルばね３１の一
端が外嵌支持されるようになっている。また、前記支持
外筒２９は、硬質合成樹脂製で、図２１及び図２２に示
すように、支持材２７の前記嵌着部３３に嵌合される径
大嵌合部３５を備え、該径大嵌合部３５の内周面に続い
て前記雄ねじ部２６に螺合する前記雌ねじ部２８が設け
られ、該雌ねじ部２８の先端側が縮径されて支持材嵌合
部３６とされ、先端外周にばね筒係止用環状突起３７が
設けられており、軸線方向中央部の外周面には滑り止め
用凹部３８が複数個所に設けられている。The support member 27 is made of a hard synthetic resin, and as shown in FIG. 20, one end in the axial direction is bulged to form an inner pipe fitting portion 33, and an intermediate portion is connected to the inner pipe fitting portion 33. The male screw portion 26 is provided, and the distal end side of the male screw portion 26 is a reduced diameter portion 34, and one end of the coil spring 31 is externally fitted and supported on the distal end of the reduced diameter portion 34. Further, the supporting outer cylinder 29 is made of a hard synthetic resin, and as shown in FIGS. 21 and 22, is provided with a large-diameter fitting portion 35 fitted to the fitting portion 33 of the supporting member 27. The female threaded portion 28 that is screwed into the male threaded portion 26 is provided following the inner peripheral surface of the large fitting portion 35, and the distal end side of the female threaded portion 28 is reduced in diameter to form a support material fitting portion 36. An annular protrusion 37 for locking the spring cylinder is provided on the outer peripheral surface of the spring cylinder, and a plurality of anti-slip recesses 38 are provided on the outer peripheral surface of the central portion in the axial direction.

【００２４】前記ばね筒３０は、硬質合成樹脂製で、図
２３、図２４に示すように、有底筒状を呈し、その開口
端内周面に複数の係止突起３９が設けられ、底部には係
止突起３９を形成する金型抜き孔４０が形成されてい
る。前記突張り接当部材３２は、軟質ゴム又は合成樹脂
製で、図１９に示すように有底筒状を呈し、ばね筒３０
に外嵌され、底部即ち固定対向面Ｗへの接当面４１が球
面状に凹んでおり、接当面４１の反対側には、密着強度
を表示する目盛４２（強・中・弱）を刻設した押圧強度
表示板４３が、軸線方向に延設されている。The spring cylinder 30 is made of a hard synthetic resin and has a bottomed cylinder shape as shown in FIGS. 23 and 24. A plurality of locking projections 39 are provided on the inner peripheral surface of the open end of the spring cylinder 30. A mold removal hole 40 that forms the locking projection 39 is formed in the. The strut contact member 32 is made of soft rubber or synthetic resin, has a bottomed tubular shape as shown in FIG.
The bottom surface, that is, the contact surface 41 to the fixed facing surface W is recessed in a spherical shape, and a scale 42 (strong / medium / weak) indicating the adhesion strength is engraved on the opposite side of the contact surface 41. The pressing strength display plate 43 is extended in the axial direction.

【００２５】なお、前記目盛４２は、支持外筒２９の中
央部端面４４を指示基準として、該端面４４に合わせる
ことにより、押圧強度を前記対向面Ｗの材質に対応して
調整することができるようになっている。即ち、支持外
筒２９を回転させることにより、支持外筒２９が軸線方
向に移動し、支持外筒２９とばね筒３０の間隔Ｓが変わ
り、コイルばね３１のばね力（押圧力）が変るので、突
張り強さを任意に調整できる。The graduation 42 can be adjusted in pressure strength according to the material of the facing surface W by aligning with the end surface 44 of the central portion end surface 44 of the supporting outer cylinder 29 as an instruction reference. It is like this. That is, by rotating the support outer cylinder 29, the support outer cylinder 29 moves in the axial direction, the distance S between the support outer cylinder 29 and the spring cylinder 30 changes, and the spring force (pressing force) of the coil spring 31 changes. , The thrust strength can be adjusted arbitrarily.

【００２６】上記実施例において、突張装置１を、例え
ば対向する垂直壁面Ｗ間に装着する場合、まず、図１に
示すように組立てられた突張装置１の固定装置４をその
締付外筒９を回転させて緩め、固定を解除した状態と
し、両接当部材６，３２が前記壁面Ｗに接触するまで伸
長させると共に、固定装置４の締付嵌合材８のテーパー
状嵌合部１５を、前記被嵌合材７のテーパー孔からなる
受入れ部１１に、回り止め突起１２が切開部１３及び切
欠部１８に嵌合するように挿入した後、締付外筒９を回
転させて偏心面１４，２１により、締付嵌合材８を縮径
させて内管２の外周面に締付嵌合材８の全内面を密着固
定する。In the above embodiment, when the thrust device 1 is mounted between the opposed vertical wall surfaces W, for example, first, the fixing device 4 of the thrust device 1 assembled as shown in FIG. The cylinder 9 is rotated and loosened to release the fixation, and the contact members 6 and 32 are extended until they come into contact with the wall surface W, and the tapered fitting portion of the fastening fitting material 8 of the fixing device 4 is also provided. After inserting 15 into the receiving portion 11 formed of the tapered hole of the fitted material 7 so that the rotation preventing projection 12 fits into the cutout portion 13 and the cutout portion 18, the tightening outer cylinder 9 is rotated. The eccentric surfaces 14 and 21 reduce the diameter of the tightening fitting material 8 to tightly fix the entire inner surface of the tightening fitting material 8 to the outer peripheral surface of the inner pipe 2.

【００２７】このとき、締付外筒９の端面カム２３が締
付嵌合材８の端面カム１７に接して回動するので、図３
における間隙Ｌ1 が小さくなり、被嵌合材７と締付嵌合
材８との端面間距離Ｌ2 が大きくなり、次に説明する押
圧装置５による被嵌合材７と締付嵌合材８とのテーパ嵌
合代を確保する。また、前記回り止め突起１２が切開部
１３及び切欠部１８に嵌入係合しているので、締付嵌合
材８が締付外筒９と共回りすることがなく、固定操作を
確実に行なうことができる。At this time, the end surface cam 23 of the tightening outer cylinder 9 comes into contact with the end surface cam 17 of the tightening fitting material 8 and rotates, so that FIG.
, The gap L1 between them becomes small, the distance L2 between the end faces of the fitted material 7 and the tightening fitting material 8 becomes large, and the fitted material 7 and the tightening fitting material 8 by the pressing device 5, which will be described next, Secure the taper fitting margin. Further, since the anti-rotation projection 12 is fitted and engaged with the cutout portion 13 and the cutout portion 18, the fastening fitting material 8 does not rotate together with the fastening outer cylinder 9, and the fixing operation is performed reliably. be able to.

【００２８】以上の仮取り付けが終わった後、押圧装置
５により本取り付けを行う。即ち、押圧装置５は、図１
及び図１９に示すように、コイルばね３１の弾発力によ
って突張り接当部材３２を壁面Ｗに押圧して内外管２，
３を保持している。そこで、支持外筒２９を回転させる
ことにより、支持材２７に対して支持外筒２９が軸線方
向に移動し、前記間隔Ｓが変化してコイルばね３１の弾
発力が変化する。したがって、壁面Ｗの材料に対応し
て、押圧強度表示板４３の目盛４２に支持外筒２９の端
面４４を合わせることにより、壁面Ｗの材料に最適な突
張り強さに調整することができる。After the above-mentioned temporary mounting is completed, the pressing device 5 is used for the permanent mounting. That is, the pressing device 5 is the same as that shown in FIG.
And, as shown in FIG. 19, the elastic force of the coil spring 31 presses the thrust contact member 32 against the wall surface W, and the inner and outer pipes 2, 2.
3 is held. Therefore, by rotating the support outer cylinder 29, the support outer cylinder 29 moves in the axial direction with respect to the support material 27, the interval S changes, and the elastic force of the coil spring 31 changes. Therefore, by adjusting the end surface 44 of the support outer cylinder 29 to the scale 42 of the pressing strength display plate 43 in accordance with the material of the wall surface W, it is possible to adjust the urging strength optimum for the material of the wall surface W.

【００２９】前記押圧装置５による軸力は、固定装置４
のテーパ孔からなる締付嵌合材受入れ部１１とテーパ嵌
合部１５とのテーパ嵌合を強くするので、締付嵌合材８
の内径が縮径し、強力に内管２を締付て固定し、前記軸
力を支承する。然して、突張装置１は固定対向壁面Ｗ間
に強固に固定される。前記実施例では、締付外筒９を緩
めることにより、締付嵌合材８を内管２に対して移動さ
せることができるので、内外管２，３の全長の調整が容
易である。The axial force generated by the pressing device 5 is fixed by the fixing device 4.
Since the taper fitting between the fastening fitting material receiving portion 11 and the taper fitting portion 15 formed of the taper hole is strengthened, the fastening fitting material 8
The inner diameter of is reduced, and the inner tube 2 is strongly tightened and fixed to support the axial force. However, the thrust device 1 is firmly fixed between the fixed opposing wall surfaces W. In the above embodiment, the tightening outer cylinder 9 can be loosened to move the tightening fitting member 8 with respect to the inner pipe 2, so that the total length of the inner and outer pipes 2 and 3 can be easily adjusted.

【００３０】そして、締付外筒９の回動により締付嵌合
材８を内管２に仮止めし、次に押圧装置５による軸力に
より、固定装置４のテーパ嵌合を強めて締付嵌合材８を
内管２に確実に固定して軸力を支承させるので、強固な
取付が可能になる。前記固定に際して、従来のように径
方向に突出する固定ネジ等を有しないので、カーテンレ
ール等に使用した場合、引っ掛かる突起物がないので、
フックの移動が容易になる。Then, the tightening fitting member 8 is temporarily fixed to the inner pipe 2 by the turning of the tightening outer cylinder 9, and then the taper fitting of the fixing device 4 is strengthened by the axial force of the pressing device 5. Since the fitted fitting member 8 is securely fixed to the inner pipe 2 to support the axial force, a firm mounting is possible. At the time of fixing, since it does not have a fixing screw protruding in the radial direction unlike the conventional case, when used for a curtain rail or the like, there is no protrusion to be caught,
The hook can be moved easily.

【００３１】また、前記押圧装置５においては、コイル
ばね３１の弾発力を用いているので、従来のネジによる
軸力発生装置よりもソフトに押圧するので、締め付け過
ぎによる壁等の損傷が生じない。本発明は、上記実施例
に限定されるものではなく、適宜設計変更することがで
き、また、前記突張装置１を棚に組込み得る他、のれん
掛棒、カーテンポール、物干棒、突張り支柱等に採用す
ることができる。Further, in the pressing device 5, since the elastic force of the coil spring 31 is used, the pressing force is softer than that of the conventional axial force generating device using a screw, so that damage of the wall or the like due to excessive tightening occurs. Absent. The present invention is not limited to the above-described embodiments, and can be modified in design as appropriate. In addition, the tensioning device 1 can be incorporated in a shelf, and a goodwill rod, a curtain pole, a clothes rod, and a thruster. It can be used for columns and the like.

【００３２】[0032]

【発明の効果】本第１の発明によれば、締付嵌合材の内
面全体を内管外周面に強力に密着させて、十分な締付力
を確保して内外管を強固に固定することができ、押圧装
置の押圧力によっても緩むことはなく突張り強度を十分
に発揮できる。また、第２発明によれば、弾性体を介し
て押圧力が与えられ、突張り強度を任意に調整でき、対
向面の接当部材による損傷を防止することができる。According to the first aspect of the present invention, the entire inner surface of the tightening fitting material is strongly brought into close contact with the outer peripheral surface of the inner tube to secure a sufficient tightening force to firmly fix the inner and outer tubes. It is possible to sufficiently exert the tensile strength without loosening due to the pressing force of the pressing device. Further, according to the second aspect of the present invention, the pressing force is applied through the elastic body, the bulging strength can be arbitrarily adjusted, and damage to the facing surface by the contact member can be prevented.

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明の実施例を示す全体正面図である。FIG. 1 is an overall front view showing an embodiment of the present invention.

【図２】第１発明実施例の要部分解斜視図である。FIG. 2 is an exploded perspective view of an essential part of the first embodiment of the invention.

【図３】第１発明実施例の中央縦断面図である。FIG. 3 is a central longitudinal sectional view of the first embodiment of the invention.

【図４】同実施例の被嵌合材の縦断面図である。FIG. 4 is a vertical cross-sectional view of a mating member of the embodiment.

【図５】図４の右側面図である。FIG. 5 is a right side view of FIG.

【図６】同実施例の締付嵌合材の正面図である。FIG. 6 is a front view of the fastening fitting material according to the embodiment.

【図７】図６の正面図である。FIG. 7 is a front view of FIG.

【図８】図６一部破断図である。FIG. 8 is a partially cutaway view of FIG.

【図９】図８のＡ部拡大図である。9 is an enlarged view of part A in FIG.

【図１０】図７の左側面図である。10 is a left side view of FIG. 7. FIG.

【図１１】図７の右側面図である。11 is a right side view of FIG. 7. FIG.

【図１２】図７のＢ−Ｂ線断面図である。12 is a sectional view taken along line BB of FIG.

【図１３】図７のＣ−Ｃ線断面図である。13 is a cross-sectional view taken along the line CC of FIG.

【図１４】図８のＤ−Ｄ線断面図である。14 is a cross-sectional view taken along the line DD of FIG.

【図１５】同実施例の締付外筒の正面図である。FIG. 15 is a front view of the tightening outer cylinder of the embodiment.

【図１６】図１５の左側面図である。16 is a left side view of FIG.

【図１７】図１５のＥ−Ｅ線断面図である。17 is a sectional view taken along line EE of FIG.

【図１８】図１７のＦ−Ｆ線断面図である。FIG. 18 is a sectional view taken along line FF of FIG.

【図１９】第２発明の実施例の要部を示す一部破断正面
図である。FIG. 19 is a partially cutaway front view showing a main part of the embodiment of the second invention.

【図２０】同実施例の支持材の一部破断正面図である。FIG. 20 is a partially cutaway front view of the support material of the example.

【図２１】同実施例の支持外筒の一部破断正面図であ
る。FIG. 21 is a partially cutaway front view of the supporting outer cylinder of the embodiment.

【図２２】図２１のＧ−Ｇ線断面図である。22 is a sectional view taken along line GG of FIG.

【図２３】同実施例のばね筒の一部破断正面図である。FIG. 23 is a partially cutaway front view of the spring cylinder of the embodiment.

【図２４】図２３の左側面図である。FIG. 24 is a left side view of FIG. 23.

【符号の説明】[Explanation of symbols]

１突張装置２内管３外管４固定装置５押圧装置６接当部材７被嵌合材８締付嵌合材９締付外筒１１締付嵌合材受入れ部（テーパ孔）１２回り止め突起１３切開部１４偏心面１５テーパ嵌合部１６縮径部１７端面カム１８切欠部２１偏心面２３端面カム２６雄ねじ２７支持材２８雌ねじ２９支持外筒３０ばね筒３１コイルばね（弾性体）３２突張り接当部材４２目盛４３押圧強度表示板４４端面Ｗ対向面 1 Stretching device 2 Inner pipe 3 Outer pipe 4 Fixing device 5 Pressing device 6 Abutting member 7 Fitting material 8 Tightening fitting material 9 Tightening outer cylinder 11 Tightening fitting material receiving part (tapered hole) 12 around Stop projection 13 Cutout portion 14 Eccentric surface 15 Tapered fitting portion 16 Reduced diameter portion 17 End surface cam 18 Notch portion 21 Eccentric surface 23 End surface cam 26 Male screw 27 Support material 28 Female screw 29 Support outer cylinder 30 Spring cylinder 31 Coil spring (elastic body) 32 Strut abutting member 42 Scale 43 Pressing strength display plate 44 End surface W Opposing surface

Claims

【特許請求の範囲】[Claims]

【請求項１】軸線方向に伸縮自在な内外管と、該内外
管の伸縮を固定する固定装置と、内外管に軸線方向の押
圧力を与える押圧装置とを有し、互いに対向する対向面
間に配された前記内外管を伸長させて突張り支持するよ
うにした突張装置において、前記固定装置が、外管の一端部に他端部側への移動を拘
束されて外嵌される被嵌合材と、該被嵌合材の端部に係
合し且つ前記内管に軸方向移動可能に外嵌された締付嵌
合材と、該締付嵌合材に回動可能に外嵌された締付外筒
とから成り、前記締付嵌合材の外周面と締付外筒の内面が偏心面に形
成され、締付外筒を回動することにより締付嵌合材が内
管を締めつけて、締付嵌合材と内管との軸方向相対移動
が防止されるよう構成されており、前記被嵌合材の端部にはテーパ孔が設けられ、前記締付
嵌合材の端部には、前記テーパ孔に嵌合するテーパ嵌合
部が設けられ、前記テーパ孔とテーパ嵌合部とのテーパ
嵌合が強くなると、前記テーパ嵌合部が縮径して、内管
との軸方向相対移動が防止されるよう構成されているこ
とを特徴とする突張装置。1. An inner and outer tube that is expandable and contractible in the axial direction, a fixing device that fixes expansion and contraction of the inner and outer tubes, and a pressing device that applies a pressing force in the axial direction to the inner and outer tubes. In the projecting device configured to extend and support the inner and outer pipes arranged on the outer pipe, the fixing device is fitted to the outer pipe by restraining the movement of the outer pipe toward the other end. A fitting member, a tightening fitting member that engages with an end portion of the fitted member and is fitted onto the inner pipe so as to be axially movable, and an outer member that is rotatable around the fitting member. The tightening outer cylinder is fitted, and the outer peripheral surface of the tightening fitting member and the inner surface of the tightening outer member are formed as eccentric surfaces. The inner pipe is configured to be tightened to prevent relative movement in the axial direction between the tightening fitting material and the inner pipe, and a tapered hole is provided at an end of the fitted material, A taper fitting portion that fits into the taper hole is provided at an end portion of the fastening fitting material, and when the taper fitting between the taper hole and the taper fitting portion becomes strong, the taper fitting portion shrinks. A projecting device having a diameter so as to prevent relative movement in the axial direction with the inner pipe.

【請求項２】前記締付嵌合材が筒体の周壁をその軸線
方向全長にわたって切開したもので、該締付嵌合材の外
周面が、その軸線方向中間部分において前記切開部の中
心から軸心を通る平面に対して反対称の偏心面とされ、
締付嵌合材に外嵌される締付外筒の内面が、前記締付嵌
合材の外周偏心面に対応した偏心面とされていることを
特徴とする請求項１に記載の突張装置。2. The fastening fitting material is obtained by cutting a peripheral wall of a tubular body along its entire length in the axial direction, and an outer peripheral surface of the fastening fitting material is located at an intermediate portion in the axial direction from a center of the cut portion. It is an eccentric surface that is anti-symmetric with respect to the plane passing through the axis,
The protrusion according to claim 1, wherein an inner surface of the tightening outer cylinder externally fitted to the tightening fitting material is an eccentric surface corresponding to an outer peripheral eccentric surface of the tightening fitting material. apparatus.

【請求項３】前記被嵌合材のテーパー孔と、締付嵌合
材の外周面に、相互回り止め手段が設けられていること
を特徴とする請求項１に記載の突張装置。3. The tensioning device according to claim 1, wherein a mutual rotation preventing means is provided on the tapered hole of the fitted material and the outer peripheral surface of the fastening fitting material.

【請求項４】前記締付嵌合体の外周に、テーパー状嵌
合部の反対側でかつ偏心面に近接して縮径部が設けら
れ、偏心面側の軸方向端面に端面カムが設けられ、前記
締付外筒の内周部に前記端面カムに対応して端面カムが
設けられていることを特徴とする請求項１〜３の何れか
に記載の突張装置。4. A reduced diameter portion is provided on the outer periphery of the tightening fitting body on the side opposite to the tapered fitting portion and close to the eccentric surface, and an end surface cam is provided on the axial end surface on the eccentric surface side. The thrust device according to any one of claims 1 to 3, wherein an end surface cam is provided on an inner peripheral portion of the tightening outer cylinder so as to correspond to the end surface cam.

【請求項５】軸線方向に伸縮自在な内外管と、該内外
管を固定する固定装置と、内外管に軸線方向の押圧力を
与える押圧装置とを有し、互いに対向する対向面間に配
された前記内外管を伸長させて突張り支持するようにし
た突張装置において、前記押圧装置が、内又は外管の外端に嵌合され、かつね
じ部を有する支持材と、該支持材の前記ねじ部に螺合さ
れて軸方向移動可能とされたねじ部を有する支持筒と、
該支持筒の外端部に弾性体を介して軸方向移動可能に係
止された突張り接当部材とから成ることを特徴とする突
張装置。5. An inner and outer tube that is expandable and contractible in the axial direction, a fixing device that fixes the inner and outer tubes, and a pressing device that applies a pressing force in the axial direction to the inner and outer tubes. In the tensioning device for extending and stretching the inner and outer tubes to support them, the pressing device is fitted to the outer end of the inner or outer tube, and has a threaded support member, and the support material. A support cylinder having a threaded portion that is screwed into the threaded portion and is movable in the axial direction,
A projecting and abutting member which is locked to an outer end portion of the support cylinder via an elastic body so as to be movable in the axial direction.

【請求項６】前記接当部材がばね受筒体を介して支持
筒に外嵌されていることを特徴とする請求項５に記載の
突張装置。6. The tensioning device according to claim 5, wherein the contact member is externally fitted to the support cylinder via a spring receiving cylinder.

【請求項７】前記接当部材と前記支持筒とにより対向
面への押圧強度を表示する押圧強度表示手段を設けたこ
とを特徴とする請求項５又は６に記載の突張装置。7. The thrust device according to claim 5, further comprising a pressing strength display means for displaying a pressing strength to the facing surface by the contact member and the support cylinder.