JPH0449619B2 - - Google Patents
Info
- Publication number
- JPH0449619B2 JPH0449619B2 JP12246987A JP12246987A JPH0449619B2 JP H0449619 B2 JPH0449619 B2 JP H0449619B2 JP 12246987 A JP12246987 A JP 12246987A JP 12246987 A JP12246987 A JP 12246987A JP H0449619 B2 JPH0449619 B2 JP H0449619B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- stopper
- hole
- view
- connecting mechanism
- 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 - Lifetime
Links
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
Landscapes
- Fencing (AREA)
- Steps, Ramps, And Handrails (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Description
本発明は、例えばフエンス、ガードレール、手
摺、垣、その他の柵等において用いられるパイプ
連結機構に関するものである。
The present invention relates to a pipe connection mechanism used in fences, guardrails, handrails, fences, and other fences, for example.
従来より、例えば手摺等の柵を構成する為、縦
パイプと横パイプとを熔接等の手段で固着するこ
とは良く行なわれている。
この熔接手段によるパイプ連結固定は、その結
合強度が大きくて好ましいものの、熔接作業は面
倒であり、コストアツプが必然的にもたらされ
る。さらには、熔接後に熔接個所を研磨する等後
処理しなければ美感が著しく低下し、しかも後処
理しても熔接個所の変色等の欠点は避けられな
い。
従つて、このような熔接手段による欠点を解決
すべく、従来より各種の技術が提供されているも
のの、これで充分に満足できるといつたものには
至つてない。
BACKGROUND ART Conventionally, in order to construct a fence such as a handrail, for example, it has been common practice to adhere vertical pipes and horizontal pipes by means such as welding. Although pipe connection and fixation by this welding means is preferable because of its high connection strength, the welding operation is troublesome and inevitably increases costs. Furthermore, if the welded area is not subjected to post-treatment such as polishing after welding, the aesthetic appearance will be significantly reduced, and even after the welding process, disadvantages such as discoloration of the welded area cannot be avoided. Therefore, although various techniques have been proposed in the past in order to solve the drawbacks of such welding means, none of them has been fully satisfactory.
本発明は前記の問題点に鑑みてなされたもので
あり、略円筒状の第１のパイプと第２のパイプと
の連結機構であつて、この第２のパイプの壁部に
は前記第１のパイプの外形と略同形の第１のパイ
プ挿通用の孔が設けられ、前記第１のパイプを第
２のパイプの孔に挿通時には第１のパイプ（又は
第２のパイプ）内に退避し、挿通後には突出して
第２のパイプ（又は第１のパイプ）に掛止する弾
揆材よりなるストツパが第１のパイプ（又は第２
のパイプ）に設けられ、前記第１のパイプを第２
のパイプの孔に挿通した際における第１のパイプ
と第２のパイプとの当接端面部には嵌合機構が構
成されたパイプ連結機構を提供するものである。
The present invention has been made in view of the above-mentioned problems, and is a connecting mechanism for connecting a first pipe and a second pipe each having a substantially cylindrical shape. A first pipe insertion hole is provided that has approximately the same external shape as the pipe, and when the first pipe is inserted into the second pipe hole, the first pipe is retracted into the first pipe (or the second pipe). , after the insertion, a stopper made of elastic material that protrudes and hooks onto the second pipe (or the first pipe) is inserted into the first pipe (or the second pipe).
pipe), and the first pipe is connected to the second pipe.
The present invention provides a pipe connecting mechanism in which a fitting mechanism is formed at the abutting end surface portion of the first pipe and the second pipe when the pipe is inserted into the hole of the pipe.
第１図〜第４図は本発明に係るパイプ連結機構
の第１実施例を示すもので、第１図は第１のパイ
プの平面図、第２図はストツパの平面図、第３図
は第２のパイプの側面図、第４図は第１のパイプ
と第２のパイプとの連結状態における平面図であ
る。
各図中、１は、例えば肉厚1.1mm、直径（外径）
19mmの円筒状のステンレス製のパイプであり、こ
のパイプ１の両端部１ａ，１ｂは直径32mmの円弧
でカツトされた形状（仮想カツト面が半径16mmの
円柱形状の一部）に構成されている。
２ａ，２ｂは、パイプ１の端部から例えば22mm
〜32mmの位置においてパイプ１の壁部に形成され
た幅1.4mmの切欠部である。尚、この切欠部２ａ，
２ｂのパイプ１の端部側は、第１図に示す如く、
円弧形状に形成されている。
３は、直径1.4mmの太さの所定のバネ材料を用
いて、その中央部において捩状円形部３ａが構成
され、そしてこの捩状円形部３ａから延在する両
端部には三角形状部３ｂ，３ｃが構成されたスト
ツパである。
尚、このストツパ３の捩状円形部３ａの直径
は、例えば11mm、寸法ｊは45mm、ｋは28mm、ｌは
13.5mm、ｍは14mm、ｎは24mm、ｏは28mmであるよ
う形成されている。
４は、例えば肉厚１mm、直径（外径）34mmの円
筒状のステンレス製のパイプであり、このパイプ
４の所定位置の壁部には、直径19mmのパイプ１挿
通用の孔５が形成されている。
上記のようにパイプ１，４及びストツパ３を構
成させ、そしてストツパ３の三角形状部３ｂ，３
ｃがパイプ１の切欠部２ａ，２ｂより外に突出し
ている如くストツパ３をパイプ１内に配（ストツ
パ３の配設は第６図に示されるものと略同じ）
し、ストツパ３が配されたパイプ１をパイプ４の
孔５に挿通すれば、パイプ１とパイプ４とは第４
図に示す如く強固にガタツキなく連結される。
すなわち、このパイプ１とパイプ４との連結
は、熔接手段を用いなくても強固に連結固定され
ているものであり、熔接手段を用いないからスム
ーズで容易に連結できるものであり、かつ、連結
コストも低廉なものであつて、さらには美感の低
下を起こさせないものである。
又、パイプ１とパイプ４とにはバネ材より構成
されたストツパ３が掛止しているから、パイプ１
をパイプ４から引き抜こうとしても抜き取れない
ものである。
すなわち、このストツパ３は、パイプ１をパイ
プ４の孔５に挿入する時点では、パイプ４の孔５
端面によつてパイプ１内に押し込まれるようにな
り、従つて難なくパイプ１をパイプ４の孔５に挿
入でき、そして挿入後にあつては自身の復元力に
よつてストツパ３の三角形状部３ｂ，３ｃは突出
し、この三角形状部３ｂ，３ｃがパイプ４の内壁
面に掛止し、パイプ１はパイプ４から抜き取れな
くなる。
しかも、ストツパ３はバネ材で構成されている
から、パイプ１はパイプ４に対してある程度付勢
され、ガタツキが起きにくいものになつている。
又、パイプ１の端部は、パイプ１をパイプ４の
孔から挿入した場合、この端部の形はパイプ４の
内形に似せて構成されているから、パイプ１の端
部を、第４図に示す如くパイプ４の内壁に当接さ
せた場合には、あたかもパイプ１とパイプ４とは
嵌合状態のようになつており、従つてパイプ１に
対して回動力が加えられてもパイプ１は回動する
ことがない。
そして、パイプ１とパイプ４とに対して上記の
ような嵌合機構が構成され、パイプ１が回動でき
ないようになつているから、ストツパ３が損傷す
ることがなく、かつ、ストツパ３がパイプ１内に
退避させられてパイプ１が抜き取られるようにな
ることはない。
すなわち、パイプ１に対して回動防止機構が設
けられていなければ、パイプ１に対して回動力が
加えられ、パイプ１が回動するようなことがある
と、ストツパ３が変形し、損傷するだけでなく、
時にはストツパ３の三角形状部３ｂ，３ｃがパイ
プ４の内壁部で押圧されてパイプ１内に押し込ま
れ、ストツパ解除となり、パイプ１が抜き取れる
ようになる恐れがあるが、本発明にあつてはこの
ような欠点がないのである。
尚、例えばパイプ１の外形を楕円形となし、
又、パイプ４の孔をこれに応じて楕円形としてお
けば、パイプ１に回動力が作用しても回動は起き
ないものであり、従つてストツパ３の変形が起き
たり、パイプ１が抜けるようになる恐れもないの
であるが、パイプ１の外形が楕円形であると、そ
の機械的強度はそれだけ低下し、しかもパイプ１
を孔に挿通する作業がそれだけ面倒であり、しか
もパイプ１のコストもアツプするから、このよう
な手段を採用することは良くないのである。
第５図及び第６図は本発明に係るパイプ連結機
構の第２実施例を示すもので、第５図は平面図、
第６は一部切欠正面図である。
本実施例のパイプ連結機構の構成は前記実施例
のパイプ連結機構と同様なものであるから、同様
な部分には同一符号を付してその詳細な説明は省
略する。
前記実施例にあつては、パイプ１の端部１ａ，
１ｂを円筒カツト形成面とし、パイプ１の端部を
パイプ４の孔５から挿入して突き合わせた場合、
パイプ１の端部がパイプ４の内壁部に嵌合し、こ
れによつてパイプ１の回動防止を図つたのである
が、本実施例にあつては、パイプ１をパイプ１−
１とパイプ１−２とで構成し、パイプ１−１とパ
イプ１−２とは例えばスポツト熔接等によつて一
体化したものであり、そしてパイプ１−２の端部
１−２ａ，１−２ｂをパイプ４の外壁面の形に形
成させたものであつて、パイプ１−２の端部１−
２ａ，１−２ｂの円筒状部をパイプ４の外壁部に
嵌合させ、１−１と１−２とで構成されるパイプ
１の回転防止を図るようにしたものである。
尚、上記実施例では、ストツパ３はパイプ１側
に設けた場合で説明したのであるが、ストツパを
パイプ４側に設けるような構成とすることも可能
であり、しかしながらその詳細な説明は省略す
る。
1 to 4 show a first embodiment of the pipe connecting mechanism according to the present invention, FIG. 1 is a plan view of the first pipe, FIG. 2 is a plan view of the stopper, and FIG. 3 is a plan view of the first pipe. A side view of the second pipe, and FIG. 4 is a plan view of the first pipe and the second pipe in a connected state. In each figure, 1 is, for example, wall thickness 1.1 mm, diameter (outer diameter)
It is a 19 mm cylindrical stainless steel pipe, and both ends 1a and 1b of this pipe 1 are cut into an arc with a diameter of 32 mm (the virtual cut surface is part of a cylindrical shape with a radius of 16 mm). . 2a and 2b are, for example, 22 mm from the end of pipe 1.
This is a notch with a width of 1.4 mm formed in the wall of the pipe 1 at a position of ~32 mm. Note that this notch 2a,
The end side of the pipe 1 of 2b is as shown in FIG.
It is formed in an arc shape. 3 is made of a predetermined spring material with a diameter of 1.4 mm, and has a spiral circular portion 3a at its center, and triangular portions 3b at both ends extending from the spiral circular portion 3a. , 3c are constructed stoppers. Incidentally, the diameter of the screw-shaped circular portion 3a of this stopper 3 is, for example, 11 mm, the dimension j is 45 mm, k is 28 mm, and l is
13.5 mm, m is 14 mm, n is 24 mm, and o is 28 mm. 4 is a cylindrical stainless steel pipe with a wall thickness of 1 mm and a diameter (outer diameter) of 34 mm, for example, and a hole 5 for inserting the pipe 1 with a diameter of 19 mm is formed in the wall portion of the pipe 4 at a predetermined position. ing. The pipes 1, 4 and the stopper 3 are constructed as described above, and the triangular parts 3b, 3 of the stopper 3 are
The stopper 3 is arranged inside the pipe 1 so that the stopper 3 protrudes outward from the notches 2a and 2b of the pipe 1 (the arrangement of the stopper 3 is almost the same as that shown in FIG. 6).
However, if the pipe 1 with the stopper 3 is inserted into the hole 5 of the pipe 4, the pipe 1 and the pipe 4 will be connected to the fourth pipe.
As shown in the figure, they are firmly connected without any play. That is, the connection between the pipe 1 and the pipe 4 is firmly connected and fixed without using any welding means, and since no welding means is used, the connection can be made smoothly and easily. The cost is low, and furthermore, the aesthetic appearance does not deteriorate. In addition, since the pipe 1 and the pipe 4 are hooked with a stopper 3 made of a spring material, the pipe 1
Even if you try to pull it out from the pipe 4, you cannot pull it out. In other words, this stopper 3 holds the hole 5 of the pipe 4 at the time when the pipe 1 is inserted into the hole 5 of the pipe 4.
The end surface allows the pipe 1 to be pushed into the pipe 1, so that the pipe 1 can be inserted into the hole 5 of the pipe 4 without difficulty, and after insertion, the triangular part 3b of the stopper 3 is pushed by its own restoring force. 3c protrudes, and the triangular portions 3b, 3c are hooked onto the inner wall surface of the pipe 4, making it impossible for the pipe 1 to be pulled out from the pipe 4. Moreover, since the stopper 3 is made of a spring material, the pipe 1 is urged against the pipe 4 to a certain extent, making it difficult for rattling to occur. Furthermore, when the pipe 1 is inserted through the hole of the pipe 4, the end of the pipe 1 is configured to resemble the inner shape of the pipe 4, so the end of the pipe 1 is inserted into the hole of the pipe 4. As shown in the figure, when the pipe 4 is brought into contact with the inner wall of the pipe 4, it is as if the pipe 1 and the pipe 4 are in a fitted state, so that even if rotational force is applied to the pipe 1, the pipe 1 does not rotate. Since the above-mentioned fitting mechanism is configured for the pipe 1 and the pipe 4, and the pipe 1 cannot be rotated, the stopper 3 will not be damaged, and the stopper 3 will not be able to rotate. 1 and the pipe 1 will not be removed. That is, if a rotation prevention mechanism is not provided for the pipe 1, a rotational force is applied to the pipe 1, and if the pipe 1 rotates, the stopper 3 will be deformed and damaged. but also
In some cases, the triangular portions 3b and 3c of the stopper 3 may be pressed by the inner wall of the pipe 4 and pushed into the pipe 1, causing the stopper to be released and the pipe 1 to be able to be removed. There are no such drawbacks. For example, if the outer shape of the pipe 1 is oval,
Moreover, if the hole of the pipe 4 is made into an elliptical shape in accordance with this, rotation will not occur even if rotational force is applied to the pipe 1, so that the stopper 3 will not be deformed or the pipe 1 will come out. However, if the outer shape of the pipe 1 is oval, its mechanical strength will decrease accordingly, and
It is not a good idea to adopt such a method because the work of inserting the pipe into the hole is so troublesome and the cost of the pipe 1 also increases. 5 and 6 show a second embodiment of the pipe connection mechanism according to the present invention, FIG. 5 is a plan view,
The sixth is a partially cutaway front view. Since the configuration of the pipe connecting mechanism of this embodiment is similar to that of the pipe connecting mechanism of the previous embodiment, similar parts are given the same reference numerals and detailed explanation thereof will be omitted. In the embodiment, the end portion 1a of the pipe 1,
1b is the cylindrical cut forming surface, and when the end of the pipe 1 is inserted through the hole 5 of the pipe 4 and butted,
The end of the pipe 1 fits into the inner wall of the pipe 4, thereby preventing the pipe 1 from rotating.In this embodiment, the pipe 1 is connected to the pipe 1-
1 and a pipe 1-2, the pipe 1-1 and the pipe 1-2 are integrated by, for example, spot welding, and the ends 1-2a, 1-2 of the pipe 1-2 2b is formed in the shape of the outer wall surface of the pipe 4, and the end portion 1-2 of the pipe 1-2
The cylindrical portions 2a and 1-2b are fitted into the outer wall portion of the pipe 4 to prevent rotation of the pipe 1 composed of 1-1 and 1-2. In the above embodiment, the stopper 3 is provided on the pipe 1 side, but it is also possible to have a structure in which the stopper is provided on the pipe 4 side, but a detailed explanation thereof will be omitted. .
本発明に係るパイプ連結機構は、略円筒状の第
１のパイプと第２のパイプとの連結機構であつ
て、この第２のパイプの壁部には前記第１のパイ
プの外形と略同形の第１のパイプ挿通用の孔が設
けられ、前記第１のパイプを第２のパイプの孔に
挿通時には第１のパイプ（又は第２のパイプ）内
に退避し、挿通後には突出して第２のパイプ（又
は第１のパイプ）に掛止する弾揆材よりなるスト
ツパが第１のパイプ（又は第２のパイプ）に設け
られ、前記第１のパイプを第２のパイプの孔に挿
通した際における第１のパイプと第２のパイプと
の当接端面部には嵌合機構が構成されたので、第
１のパイプと第２のパイプとの強固な連結が行な
え、しかも連結作業に際しては熔接作業を行なわ
なくてすみ、従つて作業能率は著しく高く、又、
熔接に起因する外観性の低下は全くなく、美感に
富むものであり、そして第１のパイプを単に第２
のパイプに挿入すれば良いのみであるから作業性
が良いのみでなく、挿入後には自動的に第１のパ
イプは第２のパイプより抜き取れなくなつてお
り、かつ、第１のパイプに回動力が作用しても第
１のパイプは回動せず、従つてストツパが損傷し
たり、あるいはストツパ機構が解除されたりする
ようになることは全くなく、さらにはストツパを
弾揆材で構成しているから、第１のパイプと第２
のパイプとの連結は第１のパイプを第２のパイプ
の孔に挿入するのみで良く、かつ、挿入後にあつ
ては第１のパイプと第２のパイプとの間でガタツ
キが起きにくいようになる等の特長を有する。
The pipe connection mechanism according to the present invention is a connection mechanism between a substantially cylindrical first pipe and a second pipe, and a wall portion of the second pipe has an outer shape that is substantially the same as the first pipe. A first pipe insertion hole is provided, and when the first pipe is inserted into the second pipe hole, it is retracted into the first pipe (or second pipe), and after insertion, it protrudes into the second pipe. A stopper made of elastic material that hangs on the second pipe (or the first pipe) is provided on the first pipe (or the second pipe), and the first pipe is inserted into the hole of the second pipe. Since a fitting mechanism was formed on the abutting end surface of the first pipe and the second pipe when the connection was made, the first pipe and the second pipe could be firmly connected, and moreover, it would be easy to connect the first pipe and the second pipe. There is no need to perform welding work, so the work efficiency is extremely high, and
There is no deterioration in appearance due to welding, and it is aesthetically pleasing, and the first pipe is simply connected to the second pipe.
Not only is workability good because it only needs to be inserted into the first pipe, but after insertion, the first pipe can no longer be pulled out from the second pipe automatically, and the Even when power is applied, the first pipe does not rotate, so the stopper is never damaged or the stopper mechanism is released, and furthermore, the stopper is made of resilient material. Since the first pipe and the second
To connect the first pipe to the second pipe, it is only necessary to insert the first pipe into the hole of the second pipe, and after insertion, the first pipe and the second pipe should be connected so that it is difficult to cause looseness between the first pipe and the second pipe. It has the following characteristics.
第１図〜第４図は本発明になるパイプ連結機構
の第１実施例を示すもので、第１図は第１のパイ
プの平面図、第２図はストツパの平面図、第３図
は第２のパイプの側面図、第４図は第１のパイプ
と第２のパイプの連結状態における平面図、第５
図及び第６図は本発明に係るパイプ連結機構の第
２実施例を示すもので、第５図は第１のパイプと
第２のパイプとの連結状態における平面図、第６
図は一部切欠正面図である。
１……パイプ（略円筒状の第１のパイプ）、１
−１，１−２……パイプ、１ａ，１ｂ，１−２
ａ，１−２ｂ……端部、２ａ，２ｂ……切欠部、
３……ストツパ、３ｂ，３ｃ……三角形状部、４
……パイプ（第２のパイプ）、５……孔。
1 to 4 show a first embodiment of the pipe connecting mechanism according to the present invention, FIG. 1 is a plan view of the first pipe, FIG. 2 is a plan view of the stopper, and FIG. 3 is a plan view of the first pipe. A side view of the second pipe, FIG. 4 is a plan view of the connected state of the first pipe and the second pipe, and FIG.
6 and 6 show a second embodiment of the pipe connecting mechanism according to the present invention, FIG. 5 is a plan view of the first pipe and the second pipe in a connected state, and FIG.
The figure is a partially cutaway front view. 1... Pipe (substantially cylindrical first pipe), 1
-1, 1-2...pipe, 1a, 1b, 1-2
a, 1-2b... end, 2a, 2b... notch,
3... Stopper, 3b, 3c... Triangular part, 4
...Pipe (second pipe), 5...hole.
Claims (1)
連結機構であつて、この第２のパイプの壁部には
前記第１のパイプの外形と略同形の第１のパイプ
挿通用の孔が設けられ、前記第１のパイプを第２
のパイプの孔に挿通時には第１のパイプ（又は第
２のパイプ）内に退避し、挿通後には突出して第
２のパイプ（又は第１のパイプ）に掛止する弾揆
材よりなるストツパが第１のパイプ（又は第２の
パイプ）に設けられ、前記第１のパイプを第２の
パイプの孔に挿通した際における第１のパイプと
第２のパイプとの当接端面部には嵌合機構が構成
されたことを特徴とするパイプ連結機構。1 A connecting mechanism between a first pipe and a second pipe having a substantially cylindrical shape, and a wall portion of the second pipe has a first pipe having a shape substantially the same as the outer shape of the first pipe. A hole is provided to connect the first pipe to a second pipe.
A stopper made of elastic material is retracted into the first pipe (or second pipe) when inserted into the hole of the pipe, and protrudes and hooks onto the second pipe (or first pipe) after insertion. It is provided on the first pipe (or the second pipe) and fits into the abutting end surface of the first pipe and the second pipe when the first pipe is inserted into the hole of the second pipe. A pipe connecting mechanism characterized by comprising a connecting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12246987A JPS63289159A (en) | 1987-05-21 | 1987-05-21 | Pipe connection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12246987A JPS63289159A (en) | 1987-05-21 | 1987-05-21 | Pipe connection mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63289159A JPS63289159A (en) | 1988-11-25 |
| JPH0449619B2 true JPH0449619B2 (en) | 1992-08-12 |
Family
ID=14836617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12246987A Granted JPS63289159A (en) | 1987-05-21 | 1987-05-21 | Pipe connection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63289159A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6446354U (en) * | 1987-09-18 | 1989-03-22 |
-
1987
- 1987-05-21 JP JP12246987A patent/JPS63289159A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63289159A (en) | 1988-11-25 |
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