JPH0514824U - Coupling and locking device for telescopic poles for measurement - Google Patents
Coupling and locking device for telescopic poles for measurementInfo
- Publication number
- JPH0514824U JPH0514824U JP1213990U JP1213990U JPH0514824U JP H0514824 U JPH0514824 U JP H0514824U JP 1213990 U JP1213990 U JP 1213990U JP 1213990 U JP1213990 U JP 1213990U JP H0514824 U JPH0514824 U JP H0514824U
- Authority
- JP
- Japan
- Prior art keywords
- ring member
- cylindrical body
- tightening ring
- tubular body
- measurement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
(57)【要約】 電子出願以前の出願であるので 要約・選択図及び出願人の識別番号は存在しない。(57) [Summary] Because it is an application before electronic filing There is no summary / selection drawing and applicant identification number.
Description
【考案の詳細な説明】 (産業上の利用分野) 本考案は計測用伸縮ポールの連結固止装置に関 するものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a connecting and fixing device for a telescopic pole for measurement.
(従来の技術) 従来、この種の計測用伸縮ポールは外側筒体に 対し内側筒体が伸縮可能に嵌挿され、そして、こ の外側筒体と内側筒体とを連結固止する手段とし ては、外側筒体内の内側筒体端部に偏心された回 動盤を設け、さらに回動盤から二本の拡開された 脚片を設けて、前記回動盤の偏心状態及び脚片が 外側筒体の内周面に圧接することより、外側筒体 と内側筒体とを連結固止する構成が採用されてい た。(特公昭62−17681号公報参照) しかしながら、上記した従来のものにあっては、 連結固止のために回動盤を作用させるためには内 側筒体或いは外側筒体のいずれか一方を固止して 他方をそれぞれ回動させなくてはならず、その操 作が面倒であり、ときとして作業中に内側筒体或 いは外側筒体を回動してしまい連結固止が不用意 に解かれる不具合が生起し、また、ポールに対す る連結固止手段の組付けにも相当の手間を必要と するものであった。 (Prior Art) Conventionally, a telescopic pole for measurement of this kind has been used as a means for interlocking an outer tubular body with an inner tubular body so that the inner tubular body can extend and contract. Is provided with an eccentric rotating plate at the end of the inner cylinder inside the outer cylinder, and two expanded leg pieces from the rotating plate to determine the eccentric state of the rotating plate and the leg pieces. A structure has been adopted in which the outer cylinder and the inner cylinder are fixedly connected to each other by being pressed against the inner peripheral surface of the outer cylinder. (See Japanese Patent Publication No. 62-17681) However, in the above-mentioned conventional one, either the inner cylinder or the outer cylinder is used in order to act the turntable to fix the connection. It is necessary to fix and rotate the other respectively, and the operation is troublesome, and sometimes the inner cylinder or the outer cylinder is rotated during the work, and the connection and fixation are unprepared. However, it took a lot of time and effort to assemble the connection fixing means to the pole.
そこで、本考案は上記した従来の欠点を解消す るとともに、構造及び組付けを簡単にして、その 操作の簡易か並びに確実化を図ることを目的とし たものである。 Therefore, the present invention is intended to eliminate the above-mentioned conventional drawbacks, and to simplify the structure and assembly to make the operation simple and reliable.
(課題を解決するための手段) 上記した目的を達成するために、本考案は外側 筒体に対し内側筒体が伸縮自在に嵌挿された計測 用伸縮ポールにおいて、該外側筒体の外周端部付 近に回動可能に嵌合された操作リング部材と、前 記外側筒体と操作リング部材との間に嵌合されか つ該操作リング部材の内周一部にテーパーねじ部 を介して螺合された締付けリング部材とを備え、 前記外側筒体の外周端部付近には少なくとも一か 所に貫通穴を貫設し、前記締付けリング部材には 該貫通穴に位置されて前記内側筒体の外周に当接 可能な押圧部を形成して、操作リング部材の螺進 動作に伴って締付けリング部材の押圧部を内側筒 体の外周側に変位するように構成したことを要旨 とするものである。 (Means for Solving the Problems) In order to achieve the above-mentioned object, the present invention relates to a telescopic pole for measurement in which an inner tubular body is telescopically inserted into an outer tubular body, and an outer peripheral end of the outer tubular body is provided. The operation ring member that is rotatably fitted in the vicinity of the part and the operation ring member that is fitted between the outer cylindrical body and the operation ring member and that has a taper screw part on the inner peripheral part of the operation ring member. A tightening ring member screwed together is provided, and a through hole is provided in at least one location near the outer peripheral end of the outer cylinder, and the tightening ring member is positioned in the through hole and the inner cylinder is provided. The gist of the present invention is that a pressing portion that can come into contact with the outer periphery of the body is formed, and the pressing portion of the tightening ring member is displaced toward the outer peripheral side of the inner cylindrical body as the operating ring member is screwed. It is a thing.
(作用) 操作リング部材を締付けリング部材に対して螺 進する方向に回動することにより、その螺合を介 して締付けリング部材の押圧部が内側筒体の外周 側に変位して、該内側筒体の外周面に押圧されて この状態によって外側筒体と内側筒体材との連結 固止を行うものである。 (Operation) By rotating the operation ring member in a direction in which the operation ring member is screwed with respect to the tightening ring member, the pressing portion of the tightening ring member is displaced to the outer peripheral side of the inner cylindrical body through the screwing, It is pressed against the outer peripheral surface of the inner cylinder, and in this state, the outer cylinder and the inner cylinder material are fixedly coupled.
(実施例) 以下、本考案の一実施例を図にしたがって詳述 する。 Embodiment An embodiment of the present invention will be described in detail below with reference to the drawings.
第1図に示すように本例のステンレス鋼等の金 属製からなる測量用伸縮ポール1は長尺の断面円 形の外側筒体2と、該外側筒体2内に伸縮自在に 嵌挿された長尺の断面円形の内側筒体3とから構 成されており、その外側筒体2のほぼ上端部外周 には相対向して矩形の貫通穴4,4が形成され、 また、内側筒体3の上端部には例えば、プリズム 等の測量用付属部材5が装着されている。なお、 この測量用付属部材5は必ずしも装着されるもの ではない。 As shown in FIG. 1, a telescopic pole for surveying 1 made of metal such as stainless steel of this example has an elongated outer cylindrical body 2 having a circular cross section, and is telescopically inserted into the outer cylindrical body 2. And an elongated inner cylindrical body 3 having a circular cross-section. Rectangular outer through holes 4 and 4 are formed on the outer circumference of the outer cylindrical body 2 so as to face each other. A surveying accessory member 5 such as a prism is mounted on the upper end of the cylindrical body 3. The surveying accessory member 5 is not necessarily attached.
前記外側筒体2の上端部外周には合成樹脂製等 からなる円筒状の操作リング部材6が回動可能に 嵌合されており、この操作リング部材6はその上 端部を内方に向けて返して前記内側筒体3の外周 に接する当接縁部7が形成され、内周下部には所 定の長さのストレート雌ねじ部8が刻設されてい る。 A cylindrical operation ring member 6 made of synthetic resin or the like is rotatably fitted on the outer periphery of the upper end of the outer cylindrical body 2. The operation ring member 6 has its upper end portion directed inward. In return, an abutting edge portion 7 that contacts the outer circumference of the inner cylindrical body 3 is formed, and a straight female screw portion 8 having a predetermined length is engraved on the lower portion of the inner circumference.
前記外側筒体2の上端部外周と操作リング部材 6との間には合成樹脂製等からなる半割り状の締 付けリング部材9A,9Bが所定の間隔をおいて 前記外側筒体2の上端部外周に沿って配設されて いる。この締付けリング部材9A,9Bは第3図 及び第4図に示すように、平断面ほぼ半円状に形 成されており、その外周面は下端縁から上端縁に 至るにしたがって漸次厚みが細くなるテーパー状 に形成され、上端部を内方に向けて返して前記外 側筒体2の上端面に係合しかつ内側筒体3の外周 に接する当接縁部10A,10Bが形成され、さ らに、下端縁からほぼ中央部位にかけて軸線方向 に2条のスリット11A,11Bが刻設されてい る。 Tightening ring members 9A, 9B made of synthetic resin or the like are provided between the outer periphery of the upper end portion of the outer tubular body 2 and the operating ring member 6 at predetermined intervals to form the upper end of the outer tubular body 2. It is arranged along the outer circumference of the part. As shown in FIGS. 3 and 4, the tightening ring members 9A and 9B are formed to have a substantially semicircular cross section, and the outer peripheral surface thereof gradually becomes thinner from the lower end edge to the upper end edge. Abutting edge portions 10A, 10B which are formed in a taper shape and are turned upside down to engage with the upper end surface of the outer tubular body 2 and contact the outer periphery of the inner tubular body 3; Furthermore, two slits 11A and 11B are formed in the axial direction from the lower end edge to almost the central portion.
そして、前記締付けリング部材9A,9Bにお ける押圧片12A,12Bは前記スリット11A, 11Bで他の部分と区画されてそれ自体で弾性変 形可能に形成され、そのほぼ下端部には前記外側 筒体2の貫通穴4,4に貫通されて前記内側筒体 3の外周に圧接される押圧部13A,13Bが一 体的に膨出されている。この押圧部13A,13 Bの圧接面は滑り止め用として細かい歯状が形出 されている。 The pressing pieces 12A and 12B in the tightening ring members 9A and 9B are partitioned from the other portions by the slits 11A and 11B to be elastically deformable by themselves. Pressing portions 13A and 13B which penetrate the through holes 4 and 4 of the cylindrical body 2 and are brought into pressure contact with the outer periphery of the inner cylindrical body 3 are integrally bulged. The press-contact surfaces of the pressing portions 13A and 13B have fine tooth-like shapes for preventing slippage.
また、締付けリング部材9A,9Bのほぼ下端 部には前記ストレートねじ部8に螺合されたテー パー雄ねじ部14A,14Bがその外周に沿って 所定の長さ刻設されている。 Further, taper male screw portions 14A and 14B screwed to the straight screw portion 8 are formed at a predetermined length along the outer periphery of the tightening ring members 9A and 9B at substantially lower end portions thereof.
しかして、締付けリング部材9A,9Bはその テーパー雄ねじ部14A,14Bに螺合するスト レート雌ねじ部8を備えた操作リング部材6の螺 進回動によって内方に収縮されるとともに、その 押圧片12A,12Bが弾性変位されて押圧部1 3A,13Bを内側筒体3の外周に圧接させるよ うに構成されている。 Then, the tightening ring members 9A, 9B are contracted inward by the screwing rotation of the operating ring member 6 having the female female screw portion 8 screwed into the tapered male screw portions 14A, 14B, and the pressing pieces 12A and 12B are elastically displaced so that the pressing portions 13A and 13B are pressed against the outer circumference of the inner cylindrical body 3.
前記外側筒体2内に嵌挿された内側筒体3の下 端には案内ブッシュ15が嵌合固定されており、 その外周面が該外側筒体2の内周面に摺接して外 側筒体2と内側筒体3との相対的な伸縮移動を案 内するように構成されている。 A guide bush 15 is fitted and fixed to the lower end of the inner cylindrical body 3 inserted into the outer cylindrical body 2, and the outer peripheral surface of the guide bush 15 slidably contacts the inner peripheral surface of the outer cylindrical body 2 to the outside. It is configured so as to allow relative expansion and contraction movement of the cylindrical body 2 and the inner cylindrical body 3.
続いて、上述のように構成された本実施例の作 用について説明する。 Next, the operation of this embodiment configured as described above will be described.
さて、外側筒体2に対して内側筒体3を固止す る場合は、操作リング部材6を螺進回動すると、 これにテーパー雄ねじ部14A,14Bを介して 螺合する締付けリング部材9A,9Bが全体的に 内方に収縮されるとともに、その押圧片12A, 12Bが弾性変位されて押圧部13A,13Bを 内側筒体3の外周に強固に押圧する。これによっ て、操作リング部材6、締付けリング部材9A, 9B、外側筒体2、内側筒体3の四者がその外周 回りで一体化されて強固な固止が行われる。 When fixing the inner cylinder 3 to the outer cylinder 2, the operation ring member 6 is screwed and rotated, and the tightening ring member 9A is screwed to the operation ring member 6 via the tapered male screw portions 14A and 14B. , 9B are contracted inward as a whole, and the pressing pieces 12A, 12B are elastically displaced to firmly press the pressing portions 13A, 13B against the outer periphery of the inner cylindrical body 3. As a result, the operation ring member 6, the tightening ring members 9A and 9B, the outer tubular body 2, and the inner tubular body 3 are integrated around the outer periphery thereof to perform a firm fixation.
前述とは逆に、操作リング部材6を螺退回動す ると、これにテーパー雄ねじ部14A,14Bを 介して螺合する締付けリング部材9A,9B全体 の内方へ収縮動作が解除され、内側筒体3の外 周に対する押圧片12A,12Bにおける押圧部 13A,13Bの押圧状態が解除される。これに よって、操作リング部材6、締付けリング部材9 A,9B、外側筒体2、内側筒体3の四者がその 外周回りでフリーの状態となり、外側筒体2と内 側筒体3との相対的な伸縮動作が可能となる。 Contrary to the above, when the operating ring member 6 is screwed back and forth, the tightening ring members 9A and 9B screwed to the operating ring member 6 via the taper male screw portions 14A and 14B are released from the contracting action to the inside, and The pressing state of the pressing portions 13A and 13B of the pressing pieces 12A and 12B with respect to the outer circumference of the cylindrical body 3 is released. As a result, the operation ring member 6, the tightening ring members 9A and 9B, the outer cylindrical body 2, and the inner cylindrical body 3 are in a free state around their outer circumferences, and the outer cylindrical body 2 and the inner cylindrical body 3 are separated from each other. The relative expansion and contraction movement of is possible.
なお、本実施例は操作リング部材6側にストレ ート雌ねじ部8を、締付けリング部材9A,9B 側にテーパー雄ねじ部14A,14Bを形成した が、これに限定するものではなく、それぞれ逆に 構成してもよく、また、締付けリング部材9A, 9Bを半割りの2個とし、それぞれに1つの押圧 片12A,12Bを形成したが、この個数も図示 のものに限定するものではなく、任意に選択する ことができる。そして、 (効果) 以上のように、本考案は、操作リング部材を締 付けリング部材に対して螺進する方向に回動する ことにより、その螺合を介して締付けリング部材 の押圧部が内側筒体の外周側に変位して、該内側 筒体の外周面に押圧されてこの状態によって外側 筒体と内側筒体材との固止を行うことができ、ま た、前述とは逆に操作リング部材を締付けリング 部材に対して螺退する方向に回動してその固止解 除を行うことができる。 In this embodiment, the straight female thread portion 8 is formed on the operation ring member 6 side and the taper male thread portions 14A, 14B are formed on the tightening ring member 9A, 9B side, but the present invention is not limited to this. Alternatively, the tightening ring members 9A and 9B may be divided into two halves, and one pressing piece 12A and 12B may be formed on each of them. However, the number is not limited to the one shown in the figure, and any number is possible. Can be selected. (Effect) As described above, according to the present invention, by rotating the operation ring member in the direction in which the operation ring member is screwed with respect to the tightening ring member, the pressing portion of the tightening ring member is inwardly moved through the screwing. It is displaced toward the outer peripheral side of the cylindrical body and pressed against the outer peripheral surface of the inner cylindrical body, and in this state, the outer cylindrical body and the inner cylindrical body material can be fixed, and contrary to the above. The operation ring member can be rotated in a direction in which the operation ring member is screwed with respect to the tightening ring member to release the fixation.
このことは、外側筒体と内側筒体材とに対し、 操作リング部材及び締付けリング部材を組付ける のみでよく、その構造造及び組付けを簡単にする ことができ、しかも、上記動作は操作リング部材 の回動のみでよく、その操作性並びに確実化の良 化向上を図ることができる。 This means that it is only necessary to assemble the operation ring member and the tightening ring member to the outer cylindrical body and the inner cylindrical material, and the structure and assembly can be simplified, and the above-mentioned operation is performed. It is only necessary to rotate the ring member, and it is possible to improve operability and reliability of the ring member.
【図面の簡単な説明】 図は本考案の一実施例を示し、第1図は測量用 伸縮ポールの全体を略示する正面図、第2図は要 部を拡大正断面図、第3図は締付けリング部材を 示す側面図、第4図は第2図のIV−IV線拡大断面 図である。 1…測量用伸縮ポール 2…外側筒体 3…内側筒体 4…貫通穴 6…操作リング部材 8…ストレート雌ねじ部 9A,9B…締付けリング部材 13A,13B…押圧部 14A,14B…テーパー雄ねじ部BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an embodiment of the present invention, FIG. 1 is a front view schematically showing the entire telescopic pole for surveying, FIG. 2 is an enlarged front sectional view of the main part, and FIG. Is a side view showing the tightening ring member, and FIG. 4 is an enlarged sectional view taken along line IV-IV in FIG. 1 ... Expansion / contraction pole for surveying 2 ... Outer cylinder 3 ... Inner cylinder 4 ... Through hole 6 ... Operation ring member 8 ... Straight female screw portion 9A, 9B ... Tightening ring member 13A, 13B ... Pressing portion 14A, 14B ... Tapered male screw portion
Claims (1)
挿され た計測用伸縮ポールにおいて、該外側筒体の外周 端部付近に回動可能に嵌合された操作リング部材 と、前記外側筒体と操作リング部材との間に嵌合 されかつ該操作リング部材の内周一部にテーパー ねじ部を介して螺合された締付けリング部材とを 備え、前記外側筒体の外周端部付近には少なくと も一か所に貫通穴を貫設し、前記締付けリング部 材には該貫通穴に位置されて前記内側筒体の外周 に当接可能な押圧部を形成して、操作リング部材 の螺進動作に伴って締付けリング部材の押圧部を 内側筒体の外周側に変位するように構成したこと を特徴とする計測用伸縮ポールの連結固止装置。1. A telescopic pole for measurement in which an inner tubular body is telescopically inserted into an outer tubular body, and an operating ring member rotatably fitted in the vicinity of an outer peripheral end of the outer tubular body, A tightening ring member fitted between the outer cylinder and the operation ring member and screwed onto a part of the inner circumference of the operation ring member via a taper screw portion; and an outer peripheral end of the outer cylinder. A through hole is provided in at least one place in the vicinity, and a pressing portion that is located in the through hole and that can come into contact with the outer periphery of the inner cylinder is formed in the tightening ring member. A connecting / fixing device for a telescopic pole for measurement, characterized in that the pressing portion of the tightening ring member is configured to be displaced toward the outer peripheral side of the inner cylindrical body as the ring member is advanced.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1213990U JPH0624726Y2 (en) | 1990-02-09 | 1990-02-09 | Coupling and locking device for telescopic poles for measurement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1213990U JPH0624726Y2 (en) | 1990-02-09 | 1990-02-09 | Coupling and locking device for telescopic poles for measurement |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0514824U true JPH0514824U (en) | 1993-02-26 |
JPH0624726Y2 JPH0624726Y2 (en) | 1994-06-29 |
Family
ID=11797180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP1213990U Expired - Lifetime JPH0624726Y2 (en) | 1990-02-09 | 1990-02-09 | Coupling and locking device for telescopic poles for measurement |
Country Status (1)
Country | Link |
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JP (1) | JPH0624726Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017009543A (en) * | 2015-06-26 | 2017-01-12 | 株式会社マイゾックス | Telescopic pole for surveying use |
-
1990
- 1990-02-09 JP JP1213990U patent/JPH0624726Y2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017009543A (en) * | 2015-06-26 | 2017-01-12 | 株式会社マイゾックス | Telescopic pole for surveying use |
Also Published As
Publication number | Publication date |
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JPH0624726Y2 (en) | 1994-06-29 |
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