JPS5916566Y2 - Telescopic rod fixing device - Google Patents
Telescopic rod fixing deviceInfo
- Publication number
- JPS5916566Y2 JPS5916566Y2 JP2902979U JP2902979U JPS5916566Y2 JP S5916566 Y2 JPS5916566 Y2 JP S5916566Y2 JP 2902979 U JP2902979 U JP 2902979U JP 2902979 U JP2902979 U JP 2902979U JP S5916566 Y2 JPS5916566 Y2 JP S5916566Y2
- Authority
- JP
- Japan
- Prior art keywords
- protrusion
- circumferential
- hook
- fixing device
- telescopic rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Description
【考案の詳細な説明】
本考案は旗竿或いは物干し竿として使用できる伸縮竿の
固定装置に関するものである。[Detailed Description of the Invention] The present invention relates to a fixing device for a telescopic pole that can be used as a flagpole or a clothesline.
この種の固定装置には実公昭３６−２４４７９号や実開
昭４８＝５３４３１号があるが、これらは接続する管同
士を周方向及び周方向に対し傾斜した係合部で係合し、
相互に逆方向へ回してしめる構造のため、振動など外力
が加わるとはずれ易く、また摩耗するとそれだけがたを
生じ易い問題がある。This type of fixing device includes Japanese Utility Model Publication No. 36-24479 and Japanese Utility Model Publication No. 48-53431, which engage the connecting pipes with each other in the circumferential direction and with engaging portions inclined relative to the circumferential direction.
Because they are structured to be tightened by turning them in opposite directions, they tend to come off when external forces such as vibrations are applied, and they also tend to rattle when worn.
本考案の目的は、従来のような周方向の保合のみによら
ず、内面圧も利用して両面から緊締できる伸縮竿の固定
装置を提供することにある。An object of the present invention is to provide a fixing device for a telescopic rod that can be tightened from both sides using internal pressure as well as the conventional fixation in the circumferential direction.
前記の目的を充足するため本考案は次のように構成した
ものである。In order to satisfy the above object, the present invention is constructed as follows.
即ち本考案は内外２本の硬質パイプ１及び２の継足し部
分において、内側パイプ１に円周突条３を円周方向に沿
って囲繞すると共に、該円周突条３と対向して鉤形突条
４を設け、鉤形突条４は突条３との対向部４′は傾斜さ
せ、かつ円周突条３と鉤形突条４との間の面は円周方向
に漸次浅くなる当接面５を形威し、又外側パイプ２は前
記円周突条３と鉤形突条４の傾斜対向部４′に夫々圧接
する水平縁６並びに傾斜縁７を設けた凹入部８を内面に
突設し、該凹入部８は前記当接面５に向って漸次浅くな
る圧接面９を両縁６，７間に設けたことを特徴とする伸
縮竿の固定装置である。That is, the present invention has a circumferential protrusion 3 surrounding the inner pipe 1 in the circumferential direction at the joint portion of the two inner and outer hard pipes 1 and 2, and a hook facing the circumferential protrusion 3. A shaped protrusion 4 is provided, and the portion 4' of the hook-shaped protrusion 4 facing the protrusion 3 is inclined, and the surface between the circumferential protrusion 3 and the hook-shaped protrusion 4 becomes gradually shallower in the circumferential direction. The outer pipe 2 has a recessed portion 8 provided with a horizontal edge 6 and an inclined edge 7 that press against the inclined facing portions 4' of the circumferential ridge 3 and the hook-shaped ridge 4, respectively. This is a fixing device for a telescopic rod, which is characterized in that the concave portion 8 is provided with a pressing surface 9 that becomes shallower gradually toward the abutting surface 5 between the edges 6 and 7.
尚図示実施例においては外側パイプ凹入部８近くに締め
方向を示す矢印８′を凸形状に成形して使用上の便を図
ったものである。In the illustrated embodiment, an arrow 8' indicating the tightening direction is formed in a convex shape near the recessed portion 8 of the outer pipe for ease of use.
１０は外側パイプ２の上端に設けた屈曲動揺止め縁を示
す。10 indicates a bent anti-sway edge provided at the upper end of the outer pipe 2.
本考案は以上のような構成であるから、継足し部分の内
外パイプを伸長すれば、凹入部８は円周突条３に当接す
る。Since the present invention has the above-described configuration, the recessed portion 8 comes into contact with the circumferential protrusion 3 when the inner and outer pipes of the added portion are extended.
次いで外側パイプ２を傾斜縁７の傾斜方向（矢印８′方
向）に、或いは内側パイプ１をこれと逆方向に回せば、
外側パイプ２の凹入部８が、内側パイプ１の鉤形突条４
に入り込み、凹入部８の水平線６と傾斜縁７が鉤形突条
４の傾斜対向部４′と円周突条３に圧接して締めつけ、
同時に圧接面９と当接面５は互いに圧着して円周面同士
も密着する。Next, by turning the outer pipe 2 in the direction of the inclination of the inclined edge 7 (direction of arrow 8') or the inner pipe 1 in the opposite direction,
The recessed part 8 of the outer pipe 2 is connected to the hook-shaped protrusion 4 of the inner pipe 1.
The horizontal line 6 and the inclined edge 7 of the recessed part 8 come into pressure contact with the inclined opposing part 4' of the hook-shaped protrusion 4 and the circumferential protrusion 3, and are tightened.
At the same time, the pressure contact surface 9 and the contact surface 5 are pressed together, and the circumferential surfaces are also brought into close contact with each other.
ゆえに円周方向と内外方向の２方向から締め付は作用が
行われるため機械的係合力と圧接摩擦力が外方に対抗し
、確実に固定されるから振動などによる弛緩の虞れはな
い。Therefore, since the tightening action is performed from two directions, the circumferential direction and the inside and outside directions, the mechanical engagement force and the pressing friction force oppose each other outward, and the lock is securely fixed, so there is no risk of loosening due to vibration or the like.
しかも当接面５と圧接面９とは周方向に対し傾斜する構
成を有するから摩耗してもその分だけ余計に回せば確固
に固定することができる効果を奏する。Moreover, since the abutment surface 5 and the pressure contact surface 9 have a configuration that is inclined with respect to the circumferential direction, even if they wear out, they can be firmly fixed by turning an extra amount.
図面は本考案に係る伸縮竿の固定装置の一実施例を示し
たもので、第１図は正面図、第２図は第１図Ａ−Ａ’線
断面図、第３図は同Ｂ −Ｂ’線断面図、第４図は緊締
状態の説明図である。
内側パイプ、２・・・・・・外側パイプ、３・・・・・
・円周突条、４・・・・・・鉤形突条、４′・・・・・
・対向部、５・・・・・・当接面、６・・・・・・水平
縁、７・・・・・・傾斜縁、８・・・・・・凹入部、９
・・・・・・圧接面。The drawings show an embodiment of the telescopic rod fixing device according to the present invention, in which Fig. 1 is a front view, Fig. 2 is a sectional view taken along the line A-A' in Fig. 1, and Fig. 3 is a cross-sectional view taken along the line B-A' in Fig. 1. The sectional view taken along line B' and FIG. 4 are explanatory views of the tightened state. Inner pipe, 2... Outer pipe, 3...
・Circumferential protrusion, 4...Hook-shaped protrusion, 4'...
・Opposing part, 5...Abutting surface, 6...Horizontal edge, 7...Inclined edge, 8...Recessed part, 9
・・・・・・Pressure surface.
Claims (1)
内側パイプブ１に円周突条３を円周方向に沿って囲繞す
ると共に、該円周突条３と対向して鉤形突条４を設け、
鉤形突状４は突条３との対向部４′は傾斜させ、かつ円
周突条３と鉤形突条４との間の面は円周方向に漸次浅く
なる当接面５を形威し、又外側パイプ２は前記円周突条
３と鉤形突条４の傾斜対向部４′に夫々圧接する水平縁
６並びに傾斜縁７を設けた凹入部８を内面に突設し、該
凹入部８は前記当接面５に向って漸次浅くなる圧接面９
を両縁６，７間に設けたことを特徴とする伸縮竿の固定
装置。In the joint part of the two inner and outer hard pipes 1 and 2,
A circumferential protrusion 3 is surrounded in the circumferential direction on the inner pipe 1, and a hook-shaped protrusion 4 is provided opposite to the circumferential protrusion 3,
The hook-shaped protrusion 4 has a portion 4' facing the protrusion 3 that is inclined, and a surface between the circumferential protrusion 3 and the hook-shaped protrusion 4 forms an abutment surface 5 that gradually becomes shallower in the circumferential direction. In addition, the outer pipe 2 has a recessed part 8 protruding from the inner surface thereof, which has a horizontal edge 6 and an inclined edge 7 that press against the inclined opposing parts 4' of the circumferential ridge 3 and the hook-shaped ridge 4, respectively. The recessed portion 8 forms a pressure contact surface 9 that gradually becomes shallower toward the contact surface 5.
A fixing device for a telescopic rod, characterized in that: is provided between both edges 6 and 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2902979U JPS5916566Y2 (en) | 1979-03-07 | 1979-03-07 | Telescopic rod fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2902979U JPS5916566Y2 (en) | 1979-03-07 | 1979-03-07 | Telescopic rod fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55130911U JPS55130911U (en) | 1980-09-16 |
| JPS5916566Y2 true JPS5916566Y2 (en) | 1984-05-15 |
Family
ID=28876094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2902979U Expired JPS5916566Y2 (en) | 1979-03-07 | 1979-03-07 | Telescopic rod fixing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5916566Y2 (en) |
-
1979
- 1979-03-07 JP JP2902979U patent/JPS5916566Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55130911U (en) | 1980-09-16 |
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