JP2500227B2 - Piping fitting - Google Patents
Piping fittingInfo
- Publication number
- JP2500227B2 JP2500227B2 JP7092194A JP7092194A JP2500227B2 JP 2500227 B2 JP2500227 B2 JP 2500227B2 JP 7092194 A JP7092194 A JP 7092194A JP 7092194 A JP7092194 A JP 7092194A JP 2500227 B2 JP2500227 B2 JP 2500227B2
- Authority
- JP
- Japan
- Prior art keywords
- joint
- pipe
- taper
- pipes
- screw
- 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 - Fee Related
Links
Landscapes
- Joints With Pressure Members (AREA)
Description
【発明の詳細な説明】Detailed Description of the Invention
【０００１】[0001]
【産業上の利用分野】本発明は流体の配管継手に関す
る。FIELD OF THE INVENTION The present invention relates to a fluid pipe joint.
【０００２】[0002]
【従来の技術】液体、ガス等各種流体の配管システムで
は、多数本の単体配管を継手を介して接続することによ
り所定の方向に延長した管路が構成される。この配管シ
ステムの施工に際しては、継手を用いて単体の配管同士
を接続する作業が特に重要であるが、この場合、継手に
要求されることは、第１に流体の漏出がないこと、第２
に継手作業に手間がかからずその作業を迅速に行なえる
ことである。2. Description of the Related Art In a piping system for various fluids such as liquid and gas, a large number of individual pipes are connected to each other through a joint to form a pipe line extended in a predetermined direction. In constructing this piping system, the work of connecting individual pipes using a joint is particularly important. In this case, the first requirement for the joint is that no fluid leaks,
Therefore, it is possible to quickly perform the joint work without any trouble.
【０００３】ところで、従来の配管継手の代表例として
は図３、図４に示されるものがあり、これが一般にＶＣ
Ｒ（ＣＡＪＯＮ社の商標）継手と称されて広く普及して
いる。この継手は第１の継手管体１と第２の継手管体２
の一端面１ａ、２ａがガスケット（金属薄板状のパッキ
ン）３の両側面に突き当てられている。By the way, typical examples of conventional pipe joints are shown in FIGS. 3 and 4, which are generally VCs.
It is widely known as R (trademark of CAJON) joint. This joint comprises a first joint pipe body 1 and a second joint pipe body 2.
One end faces 1a, 2a of the above are abutted against both side faces of the gasket (metal thin plate-like packing) 3.
【０００４】第１と第２の継手管体１、２の他端には、
第１のパイプ５と第２のパイプ６がそれぞれ溶接部７を
介して接続されている。また、第１と第２の継手管体
１、２には、それぞれ、袋ナット部材８、雄ネジ部材９
が回転自在に嵌合されており、かつ、袋ナット部材８
は、第１の継手管体１の端部外周に形成された鍔部１ｂ
と係合して、この第１の継手管体１からの抜脱が阻止さ
れる構成とされている。雄ネジ部材９は第２の継手管体
２の端部外周に形成された鍔部２ｂと係合して、この第
２の継手管体２からの抜脱が阻止される構成となってい
る。At the other ends of the first and second joint pipe bodies 1 and 2,
The first pipe 5 and the second pipe 6 are connected to each other via a weld 7. In addition, the cap nut member 8 and the male screw member 9 are respectively attached to the first and second joint pipe bodies 1 and 2.
Is rotatably fitted, and the cap nut member 8
Is a collar portion 1b formed on the outer periphery of the end portion of the first joint pipe body 1.
It is configured to be engaged with and to be prevented from being pulled out from the first joint pipe body 1. The male screw member 9 engages with the flange portion 2b formed on the outer periphery of the end portion of the second joint pipe body 2 to prevent the male screw member 9 from being removed from the second joint pipe body 2.
【０００５】したがって、上記の配管継手では、ガスケ
ット３の両側面に第１と第２の継手管体１、２の端面１
ａ、２ａを突き当てたうえ、袋ナット部材８と雄ネジ部
材９を互いにネジ込むように回すことにより、この第１
と第２の継手管体１、２の端面１ａ、２ａがガスケット
３の両側面に圧接し、それによりこのガスケット３を介
して、第１と第２の継手管体１、２が気密又は水蜜に結
合できる構成とされている。Therefore, in the above pipe joint, the end faces 1 of the first and second joint pipe bodies 1 and 2 are provided on both side faces of the gasket 3.
a, 2a are abutted against each other, and the cap nut member 8 and the male screw member 9 are screwed into each other to be rotated, thereby
And the end faces 1a, 2a of the second joint pipe bodies 1, 2 are pressed against both side faces of the gasket 3, whereby the first and second joint pipe bodies 1, 2 are hermetically or water-tight through the gasket 3. It is designed to be combined with.
【０００６】なお、袋ナット部材８には、その周壁を貫
通してテストポート１０が設けられており、このテスト
ポート１０に測定機（図示せず）を接続して、ガスケッ
ト３と第１、第２の継手管体１、２の接続部のリークテ
ストを行なえる構成とされている。The cap nut member 8 is provided with a test port 10 penetrating its peripheral wall. A tester (not shown) is connected to the test port 10 to connect the gasket 3 and the first and second parts. The configuration is such that a leak test of the connection portion of the second joint pipe bodies 1 and 2 can be performed.
【０００７】[0007]
【発明が解決しようとする課題】従来の配管継手では、
第１と第２のパイプはそれぞれ第１と第２の継手管体
１、２に溶接する構成であるため、溶接機が必要である
と共に、溶接処理を要する作業に多くの手間がかかり、
このため、配管継手作業に要する諸経費のコストアップ
につながるという欠点があった。In the conventional pipe joint,
Since the first and second pipes are configured to be welded to the first and second joint pipe bodies 1 and 2, respectively, a welding machine is required, and a lot of time and effort are required for the welding process.
For this reason, there is a drawback that the various costs required for the pipe joint work increase.
【０００８】本発明は上述の課題を解決した配管継手を
提供することを目的とする。An object of the present invention is to provide a pipe joint that solves the above problems.
【０００９】[0009]
【課題を解決するための手段】上記の目的を達成するた
め、本発明に係る配管継手は、ガスケットの両側面にそ
れぞれの端面を突き当ててなる第１のパイプ及び第２の
パイプと、スリットにより円周方向に分割された第１の
テーパネジ及び第２のテーパネジをそれぞれ有し、上記
第１と第２のパイプにそれぞれ嵌合した第１のテーパナ
ット及び第２の継手と、上記第１と第２のテーパネジに
それぞれ螺合する第１のテーパナット及び第２のテーパ
ナットと、上記第１と第２の継手の一方の継手外周部に
形成されたネジに螺合すると共に、他方の継手外周部に
設けられた段部と係合する係合部を有する取付けナット
部材とを備えており、上記取付けナット部材の締結によ
り、上記第１と第２のパイプの端面が上記ガスケットの
側面に圧接する構成を特徴とする。In order to achieve the above-mentioned object, a pipe joint according to the present invention is provided with a first pipe and a second pipe each having an end face abutting against both side faces of a gasket, and a slit. A first taper nut and a second joint, each of which has a first taper screw and a second taper screw divided in the circumferential direction by respectively, and which are respectively fitted to the first and second pipes; A first taper nut and a second taper nut, which are respectively screwed into the second taper screw, and a screw formed in one joint outer peripheral portion of the first and second joints, and the other joint outer peripheral portion. A mounting nut member having an engaging portion that engages with a step portion provided on the first and second pipes, and by fastening the mounting nut member, the end faces of the first and second pipes are brought into pressure contact with the side face of the gasket. Structure The features.
【００１０】[0010]
【作用】本発明によれば、第１と第２の継手は、そのテ
ーパネジに第１と第２のテーパナットを締付けることに
より、溶接処理なしで各継手を第１と第２のパイプの端
部に固定することができる。また、第１と第２の継手は
それぞれ第１と第２のパイプが固定されていて、取付け
ナットを介して両継手を締結することで、第１と第２の
パイプが連結される。したがって、第１と第２のパイプ
の端部には加工作業が面倒で時間のかかる鍔部を形成す
る作業が不要である。また、取付けナット部材には、市
販の既製品を使用できる。According to the present invention, the first and second joints are formed by tightening the first and second taper nuts on the taper threads thereof so that the respective joints can be connected to the end portions of the first and second pipes without welding. Can be fixed to. Further, the first and second pipes are fixed to the first and second joints, respectively, and the first and second pipes are connected by fastening both joints via a mounting nut. Therefore, it is not necessary to form the flange portions at the end portions of the first and second pipes, which is troublesome and time-consuming. Moreover, a commercially available off-the-shelf product can be used for the mounting nut member.
【００１１】[0011]
【実施例】以下、本発明の一実施例を図を参照して説明
する。図１は実施例に係る配管継手の断面図、図２は第
２継手の斜視図である。An embodiment of the present invention will be described below with reference to the drawings. 1 is a sectional view of a pipe joint according to an embodiment, and FIG. 2 is a perspective view of a second joint.
【００１２】第１のパイプ１１と第２のパイプ１２で
は、それぞれの端面１１ａ、１２ａ同士がメタルガスケ
ット１３を介して突き合わされている。メタルガスケッ
ト１３は、Ｃｕ、ＳｕＳ、Ｎｉ等の金属材からなり、形
状がほぼ中空円板状で、その両側面が鏡面状に仕上げら
れていて、同じく平坦面である第１と第２の各パイプ１
１、１２の端面１１ａ、１２ａと密着できる。The end faces 11a and 12a of the first pipe 11 and the second pipe 12 are butted against each other via a metal gasket 13. The metal gasket 13 is made of a metal material such as Cu, SuS, and Ni, has a substantially hollow disk shape, and both side surfaces thereof are mirror-finished. Similarly, the first and second metal gaskets 13 are flat surfaces. Pipe 1
It can be in close contact with the end faces 11a, 12a of the first and the second parts.
【００１３】第１のパイプ１１には、筒状の第１の継手
１４が可動自由に嵌合されており、第２のパイプ１２に
は、筒状の第２の継手１５が可動自由に嵌合されてい
る。第１の継手１４のほぼ中間部に、六角形の鍔部１４
ａが形成されていて、この鍔部１４ａを境として図１の
左側（つまり第１パイプの中央部寄り）に、第１テーパ
ネジ１４ｂが形成され、また、この第１テーパネジ１４
ｂを円周方向に複数分割するスリット１４ｃが形成され
ている。第１テーパネジ１４ｂには、第１テーパナット
１６が螺合される。A tubular first joint 14 is movably fitted to the first pipe 11, and a tubular second joint 15 is movably fitted to the second pipe 12. Have been combined. A hexagonal collar portion 14 is provided at a substantially middle portion of the first joint 14.
a is formed, and a first taper screw 14b is formed on the left side of FIG. 1 (that is, near the center of the first pipe) with the flange 14a as a boundary, and the first taper screw 14 is formed.
A slit 14c is formed to divide b into a plurality of pieces in the circumferential direction. A first taper nut 16 is screwed onto the first taper screw 14b.
【００１４】また、第１継手１４の鍔部１４ａの右側に
は、雄ネジ１４ｄが形成されていて、この雄ネジ１４ｄ
に、取付けナット部材１７の雌ネジを螺合できるように
構成されている。A male screw 14d is formed on the right side of the collar portion 14a of the first joint 14, and the male screw 14d is formed.
In addition, the female screw of the mounting nut member 17 can be screwed.
【００１５】第２継手１５の一端（図１の右側）には第
２テーパネジ１５ｂが形成され、さらに、この第２テー
パネジ１５ｂを円周方向に複数分割するスリット１５ｃ
が形成されている。第２テーパネジ１５ｂには、第２テ
ーパナット１８が螺合される。第２継手１５の他端（図
１で左側）には、外径が第１継手１４の先端の外径と略
同一寸法に形成された鍔部１５ａが設けられている。こ
の鍔部１５ａと取付けナット部材１７の係合部１７ａと
が、スラストベアリング２０を介して係合するように設
けられている。A second taper screw 15b is formed at one end of the second joint 15 (on the right side in FIG. 1), and a slit 15c for dividing the second taper screw 15b into a plurality of pieces in the circumferential direction.
Are formed. A second taper nut 18 is screwed onto the second taper screw 15b. The other end (left side in FIG. 1) of the second joint 15 is provided with a flange portion 15 a having an outer diameter formed to have substantially the same dimension as the outer diameter of the tip of the first joint 14. The flange portion 15 a and the engaging portion 17 a of the mounting nut member 17 are provided so as to engage with each other via the thrust bearing 20.
【００１６】次に本実施例の配管継手の施工方法を説明
する。Next, a method for constructing the pipe joint of this embodiment will be described.
【００１７】先ず、第１のパイプ１１にその先端側から
第１の継手１４を嵌合し、第２のパイプ１２にその先端
側から第２継手１５を挿入したうえ、各第１と第２の継
手１４、１５を適宜軸方向に微動させて位置調整する。
つづいて、第１のテーパナット１６をスリット１４ｃを
有する第１のテーパネジ１４ｂ螺合し、また、第２のテ
ーパナット１８をスリット１５ｃを有する第２のテーパ
ネジ１８に螺合する。それにより、第１と第２のテーパ
ナット１６、１８で第１と第２のスリット付きテーパネ
ジ１４ｂ、１５ｂは第１パイプ１１と第２パイプ１２の
外周に締結され、第１と第２の継手１４、１５は、第１
と第２のパイプ１１、１２に締付け固定される。First, the first joint 14 is fitted into the first pipe 11 from the tip side thereof, and the second joint 15 is inserted into the second pipe 12 from the tip side thereof. The positions of the joints 14 and 15 are adjusted by appropriately finely moving them in the axial direction.
Subsequently, the first taper nut 16 is screwed into the first taper screw 14b having the slit 14c, and the second taper nut 18 is screwed into the second taper screw 18 having the slit 15c. Thereby, the first and second taper nuts 16 and 18 are used to fasten the first and second taper screws 14b and 15b with slits to the outer circumferences of the first pipe 11 and the second pipe 12, respectively. , 15 is the first
And is fixed to the second pipes 11 and 12 by tightening.
【００１８】次に、第１と第２のパイプ１１、１２を、
その軸線が揃うように配設し、各パイプ端面１１ａ、１
２ａをメタルガスケット１３の両側面に突き当てる。本
実施例では、メタルガスケット１３は、第１と第２の継
手１４、１５の端面内周側を段状に切欠いて形成される
凹部２１に嵌合されている。また、凹部２１にメタルガ
スケット１３を嵌めた状態で、第１と第２の継手１４、
１５の当接面２２に僅かの隙間を成形しておくのが良
い。Next, the first and second pipes 11 and 12 are
The pipe ends 11a, 1 are arranged so that their axes are aligned.
2a is abutted on both sides of the metal gasket 13. In the present embodiment, the metal gasket 13 is fitted in the recess 21 formed by cutting out the inner peripheral sides of the end faces of the first and second joints 14 and 15 in a stepwise manner. Further, with the metal gasket 13 fitted in the recess 21, the first and second joints 14,
It is preferable to form a slight gap in the abutting surface 22 of 15.
【００１９】こうして、第１と第２のパイプ１１、１２
及び第１と第２の継手１４、１５を所定位置にセットし
たうえ、取付けナット部材７を回してその雌ネジ１７ｄ
を第１継手１４の雄ネジ１４ｄにネジ込む。それによ
り、スラストベアリング２０を介して取付けナット１７
の係合部１７ａと第２継手１５の鍔部１５ａが係合して
いることにより、第１と第２の継手１４、１５はメタル
ガスケット１３の両側面にくい込み、第１と第２のパイ
プ１１、１２は、このメタルガスケット１３を介して気
密的に、かつ強固に連結される。Thus, the first and second pipes 11 and 12
After setting the first and second joints 14 and 15 at predetermined positions, the mounting nut member 7 is rotated to form the female screw 17d.
Is screwed into the male screw 14d of the first joint 14. As a result, the mounting nut 17 is inserted through the thrust bearing 20.
The engaging portion 17a of the second joint 15 and the flange portion 15a of the second joint 15 are engaged with each other, so that the first and second joints 14 and 15 are hard to be inserted into both side surfaces of the metal gasket 13, and the first and second pipes. The metal gaskets 11 and 12 are tightly connected to each other via the metal gasket 13.
【００２０】なお、本発明においては、第２継手１５の
鍔部１５ａと取付けナット部材１７の係合部１７ａの間
に、例えば潤滑剤を充填するなどして摩擦係数を小さく
しておけば、スラストベアリング２０を不要とすること
ができる。In the present invention, if the friction coefficient is made small by filling, for example, a lubricant between the collar portion 15a of the second joint 15 and the engaging portion 17a of the mounting nut member 17, The thrust bearing 20 can be dispensed with.
【００２１】[0021]
【発明の効果】以上説明したように、本発明に係る配管
継手は、第１と第２のパイプにネジ締め手段により第１
と第２の継手を固定し、当該第１と第２の継手を取付け
ナット部材で結合して第１と第２のパイプを接続するも
のである。したがって、本発明では、従来のような継手
管体が不要で、それに伴ない継手管体にパイプを溶接す
る作業が不要となり、配管の継手作業に要する手間が少
なくてすみ、コストダウンに大きく寄与できる。しか
も、第１と第２のパイプには、何の加工も施さなくてよ
く、例えば従来の継手管体に設ける鍔部に相当する構成
なども不要であるので、この点でも配管継手の製作にか
かる手間とコストを低減できるものである。As described above, in the pipe joint according to the present invention, the first and second pipes are screwed to each other by the first screw fastening means.
And the second joint are fixed, and the first and second joints are connected by a mounting nut member to connect the first and second pipes. Therefore, in the present invention, a conventional joint pipe body is not necessary, the work of welding a pipe to the joint pipe body is not necessary, and the labor required for the pipe joint work can be reduced, which greatly contributes to cost reduction. it can. Moreover, the first and second pipes do not need to be subjected to any processing, and for example, the structure corresponding to the brim portion provided in the conventional joint pipe body is not necessary. The labor and cost can be reduced.
【図１】本発明の実施例に係る配管継手の断面図であ
る。FIG. 1 is a sectional view of a pipe joint according to an embodiment of the present invention.
【図２】第２継手の斜視図である。FIG. 2 is a perspective view of a second joint.
【図３】従来の配管継手の断面図である。FIG. 3 is a cross-sectional view of a conventional pipe joint.
【図４】図３のガスケットの斜視図である。FIG. 4 is a perspective view of the gasket of FIG.
１１…第１パイプ、１２…第２パイプ、１３…メタルガ
スケット、１４…第１の継手、１４ｂ…第１テーパネ
ジ、１４ｃ…スリット、１５…第２の継手、１５ｂ…第
２テーパネジ、１５ｃ…スリット、１６…第１テーパナ
ット、１７…取付けナット部材、１８…第２テーパナッ
ト。11 ... 1st pipe, 12 ... 2nd pipe, 13 ... Metal gasket, 14 ... 1st joint, 14b ... 1st taper screw, 14c ... Slit, 15 ... 2nd joint, 15b ... 2nd taper screw, 15c ... Slit , 16 ... First taper nut, 17 ... Mounting nut member, 18 ... Second taper nut.
Claims (1)
突き当ててなる第１のパイプ及び第２のパイプと、スリ
ットにより円周方向に分割された第１のテーパネジ及び
第２のテーパネジをそれぞれ有し、前記第１と第２のパ
イプにそれぞれ嵌合した第１の継手及び第２の継手と、
前記第１と第２のテーパネジにそれぞれ螺合する第１の
テーパナット及び第２のテーパナットと、前記第１と第
２の継手の一方の継手外周部に形成されたネジに螺合す
ると共に、他方の継手外周部に設けられた段部と係合す
る係合部を有する取付けナット部材とを備えており、前
記取付けナット部材の締結により、前記第１と第２のパ
イプの端面が前記ガスケットの側面に圧接する構成を特
徴とする配管継手。1. A first pipe and a second pipe, which are formed by abutting respective end faces on both side faces of a gasket, and a first taper screw and a second taper screw which are circumferentially divided by a slit. And a first joint and a second joint which are respectively fitted to the first and second pipes,
A first taper nut and a second taper nut, which are respectively screwed into the first and second taper screws, and a screw formed in one joint outer peripheral portion of the first and second joints, and the other And a mounting nut member having an engaging portion that engages with a step portion provided on the outer peripheral portion of the joint, and by fastening the mounting nut member, the end surfaces of the first and second pipes are A pipe joint characterized by being pressed against the side surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7092194A JP2500227B2 (en) | 1994-04-08 | 1994-04-08 | Piping fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7092194A JP2500227B2 (en) | 1994-04-08 | 1994-04-08 | Piping fitting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07293760A JPH07293760A (en) | 1995-11-10 |
| JP2500227B2 true JP2500227B2 (en) | 1996-05-29 |
Family
ID=13445459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7092194A Expired - Fee Related JP2500227B2 (en) | 1994-04-08 | 1994-04-08 | Piping fitting |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2500227B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010169172A (en) * | 2009-01-22 | 2010-08-05 | Neriki:Kk | Pipe connection device for container valve |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5526655B2 (en) * | 2009-08-20 | 2014-06-18 | 株式会社ジェイテクト | Electric power steering device |
| CN109027459A (en) * | 2018-10-18 | 2018-12-18 | 海盐管件制造有限公司 | A kind of bite type flat seal is living to dock pipe fitting and assembly method |
-
1994
- 1994-04-08 JP JP7092194A patent/JP2500227B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010169172A (en) * | 2009-01-22 | 2010-08-05 | Neriki:Kk | Pipe connection device for container valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07293760A (en) | 1995-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19960116 |
|
| LAPS | Cancellation because of no payment of annual fees |