JPH0217289A - Pipe joint - Google Patents
Pipe jointInfo
- Publication number
- JPH0217289A JPH0217289A JP63167371A JP16737188A JPH0217289A JP H0217289 A JPH0217289 A JP H0217289A JP 63167371 A JP63167371 A JP 63167371A JP 16737188 A JP16737188 A JP 16737188A JP H0217289 A JPH0217289 A JP H0217289A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- collar
- flare
- tube
- sleeve
- 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
- 238000012856 packing Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
Description
【発明の詳細な説明】
(産業上の利用分野)この発明は、バイブとバイブをつ
なぐための管継手に間する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a pipe joint for connecting two vibrators.
(従来の技術)従来広く用いられている管継手にフラン
ジ継手がある。これは、接合すべき管の端にそれぞれつ
ばを溶接し、これら2枚のつばをボルトで互に締めつけ
るようにしたものである。(Prior Art) A flange joint is a pipe joint that has been widely used in the past. In this method, flanges are welded to the ends of the pipes to be joined, and these two flanges are tightened together with bolts.
(発明が解決しようとする課題)このような従来のフラ
ンジ継手では、管につばを溶接するのに手間が掛かり、
また、つばを付けた管が嵩ばり、輸送コストが高くつく
という問題があった。(Problem to be solved by the invention) With such conventional flange joints, it takes time and effort to weld the collar to the pipe.
Additionally, there was a problem in that the tube with the collar was bulky and transportation costs were high.
この発明は、つばと管が分離した管継手を得ることを目
的とする。The object of this invention is to obtain a pipe joint in which the collar and the pipe are separated.
(課月を解決するための手段)この発明における管継手
は、管端に末広がりのフレアを形成した第1の管と、該
フレアの中に管端を差し入れるように第1の管と突き合
わせられる第2の管と、第1の管に遊動自在に通され、
該フレアに当接する第1のつばと、第2の管に遊動自在
に通された第2のつばと、第1のつばと第2のつばを互
に引き寄せるための締め付け手段と、該フレア部の内面
と第2のつばとの間に挟まれる格好で第2の管にはめら
れ、第2の管にくい込む突条を内周面に有するくい込み
スリーブとからなっている。(Means for Solving Problems) The pipe joint of the present invention includes a first pipe having a flare extending toward the end thereof, and a butt with the first pipe such that the pipe end is inserted into the flare. and a second tube that is freely passed through the first tube,
a first collar that abuts the flare; a second collar that freely passes through the second pipe; a tightening means for drawing the first collar and the second collar together; and the flare portion. The sleeve is inserted into the second tube so as to be sandwiched between the inner surface of the tube and the second collar, and has a projection on the inner circumferential surface that is inserted into the second tube.
なお、第1のつばは、フレアの外面に適合するよう、中
心孔の周面が円錐面を形成していることが好ましい。ま
た、くい込みスリーブは、拡大収縮が自在なよう、円周
の一部で切れていることが望ましい。In addition, it is preferable that the peripheral surface of the center hole of the first brim forms a conical surface so as to fit the outer surface of the flare. Further, it is desirable that the bite sleeve is cut at a part of the circumference so that it can be expanded and contracted freely.
管接続部のシールを確保するため、フレアの内面とくい
込みスリーブの間に挟まれる格好で、第2の管に環状パ
ツキンをはめることができる。第1、第2の管の接続部
内面に接続スリーブをはめるとともに、これを、第1、
第2の管の内面に形成されているライニングに接着する
こともできる。To ensure a seal at the tube connection, an annular packing can be fitted to the second tube, sandwiched between the inner surface of the flare and the biting sleeve. A connecting sleeve is fitted on the inner surface of the connecting portion of the first and second pipes, and this is attached to the first and second pipes.
It can also be glued to a lining formed on the inner surface of the second tube.
(作用)つばを互に締め付けると、くい込みスリーブが
フレアの内面に押しイ・1けられて直径が収縮し、突条
が第2の管の外面にくい込んで、第2の管と第2のつば
が一体化し、2本の管は連結される。(Operation) When the collars are tightened together, the bite sleeve is pushed against the inner surface of the flare and its diameter contracts, and the protrusion bites into the outer surface of the second tube, causing the connection between the second tube and the second tube. The brim is integrated and the two tubes are connected.
(実施例)第1図において、符号1.2は互に接合すべ
き管であり、そのうちの第1の管lは、管端が冷間加工
により拡張され、フレア3が形成されている。第2の9
#2は、管端が、フレア3の内面に適合ずろよう、開先
2aが取っである。(Embodiment) In FIG. 1, reference numerals 1.2 are tubes to be joined to each other, and the first tube 1 has its end expanded by cold working to form a flare 3. second nine
In #2, the tube end fits the inner surface of the flare 3, and the groove 2a is a handle.
第1の管lには第1のつば4が、第2の管2には第2の
つば5が、それぞれ遊動自在に通されている。第1のつ
ば・1は、771.ア3の外面に当接しIて抜けること
がなく、そして、つばの中心孔の円面は、フレアの外面
に適合するよう円錐面5aになっている。A first collar 4 is passed through the first pipe 1, and a second collar 5 is passed through the second pipe 2 so as to be freely movable. The first brim 1 is 771. It comes into contact with the outer surface of the flare 3 and does not come off, and the circular surface of the center hole of the collar is a conical surface 5a to fit the outer surface of the flare.
各つば4,6には一定間隔で複数のボルト穴6があけら
れており、これらにボルト7を通し、ナツト8を螺合し
て、2枚のつばを互に締め付けるようになっている。A plurality of bolt holes 6 are drilled at regular intervals in each of the flanges 4 and 6, and bolts 7 are passed through these holes and nuts 8 are screwed together to tighten the two flanges together.
第1のつば4とフレア内面との間に挟まれるよう、第2
の管2にはくい込みスリーブ9がはめられている。この
スリーブは、内周面に複数の突条9aが形成されており
、フレア3に当接する部分はフレアに合せて、円錐面9
bになっている。The second brim 4 is sandwiched between the first brim 4 and the flared inner surface.
A push-in sleeve 9 is fitted onto the tube 2 . This sleeve has a plurality of protrusions 9a formed on its inner circumferential surface, and the portion that comes into contact with the flare 3 has a conical surface 9a in accordance with the flare.
It has become b.
したがって、2枚のつば4,5を互に締めつけると、ス
リーブ9はフレア3の奥に押し込まれ、直径が収縮して
、突条9aが第2の管2にくい込み、第2の管2と第2
のつば5が一体になり、2本の管は互に接続される。Therefore, when the two flanges 4 and 5 are tightened together, the sleeve 9 is pushed deep into the flare 3, its diameter is contracted, and the protrusion 9a is embedded in the second tube 2, causing the sleeve 9 to be inserted into the second tube 2. Second
The collars 5 of the pipes are integrated, and the two pipes are connected to each other.
なお、スリーブ9は、第2図に示すように円周の一部が
切れており、直径の収縮拡大が自在なようになっている
。As shown in FIG. 2, the sleeve 9 has a part of its circumference cut off so that its diameter can be contracted or expanded.
第1のつば4の中心孔周面は、フレア3の外面に適合す
るよう円錐面5aを形成しているので、締め付けによっ
てフレア3が拡大するような変形を起こすのを防止でき
る。Since the peripheral surface of the center hole of the first collar 4 forms a conical surface 5a to fit the outer surface of the flare 3, it is possible to prevent the flare 3 from being deformed by expansion due to tightening.
符号lOは環状のゴムパツキンであり、断面は3角形に
形成されている。このパツキンioは、つば4,5を互
に締め付けると、くい込みスリーブ9に押されて、フレ
ア内面と第2の管2に圧接され、2本の管1.2の間の
シールを保つ。Reference numeral 10 denotes an annular rubber gasket, which has a triangular cross section. When the collars 4, 5 are tightened together, this seal io is pressed by the biting sleeve 9 and is brought into pressure contact with the flared inner surface and the second tube 2, maintaining a seal between the two tubes 1.2.
第3図は他の実施例を示すものであり、接合すべき2本
の管1,2は、内面が硬質塩化ビニール等のライニング
11が施されている。この管継手は、パツキンに代えて
接続スリーブ12が使われている点が上述の実施例と異
なる。スリーブ12は、ライニング11と同じ材質のプ
ラスチックで円筒形に形成されており、その外面に接着
剤を塗って、2本の管1,2の接続部内面にはめ込まれ
る。こうして、スリーブ12とライニングIIが接着剤
で結合され、管と管の間のシール性が確保され、同時に
、接続部において管材(金属)が流体と接触しないよう
にoi!護される。FIG. 3 shows another embodiment, in which two pipes 1 and 2 to be joined have inner surfaces lined with a lining 11 made of hard vinyl chloride or the like. This pipe joint differs from the above embodiment in that a connecting sleeve 12 is used instead of the packing. The sleeve 12 is made of plastic of the same material as the lining 11 and is formed into a cylindrical shape. An adhesive is applied to the outer surface of the sleeve 12, and the sleeve 12 is fitted into the inner surface of the connecting portion of the two pipes 1 and 2. In this way, the sleeve 12 and the lining II are bonded with adhesive, ensuring a seal between the tubes, and at the same time preventing the tube material (metal) from coming into contact with the fluid at the joint! be protected.
(効果)以上のように構成されたこの発明では、次のよ
うな効果がある。(Effects) This invention configured as described above has the following effects.
請求項1の管継手においては、つば同士締め付けると、
くい込みスリーブが第2の管にくい込んで、第2のつば
と第2の管が一体化し、第1、第2の管が接続される。In the pipe joint of claim 1, when the ribs are tightened together,
The biting sleeve is bitten into the second tube, the second collar and the second tube are integrated, and the first and second tubes are connected.
特に、つばは管と分離しており、したがって、つばを管
に溶接する必要がなく、また、嵩ばらないので、接続前
の管の輸送が容易である。In particular, the collar is separate from the tube, so there is no need to weld the collar to the tube, and it is less bulky, making it easier to transport the tube before connection.
請求項2の管継手においては、第1のつばの中心孔周面
がフレアの外面に適合するよう円錐面を形成しているの
で、締め付けによってフレアが拡大するような変形を起
こすのを防止できる。In the pipe joint of claim 2, since the peripheral surface of the center hole of the first brim forms a conical surface to fit the outer surface of the flare, it is possible to prevent deformation such as expansion of the flare due to tightening. .
請求項3の管継手においては、くい込みスリーブが円周
の一部で切れているので、つば同士締め付けたとき、径
が収縮して内周面の突条が第2の管へしっかりとくい込
む。In the pipe joint according to claim 3, since the bite sleeve is cut at a part of the circumference, when the collars are tightened together, the diameter contracts and the protrusion on the inner peripheral surface firmly bites into the second pipe. .
請求項4の管継手においては、フレアの内面とスリーブ
の間に環状パツキンを挟んだので、管接続部のシールを
保つことができる。In the pipe joint according to the fourth aspect of the present invention, since the annular packing is sandwiched between the inner surface of the flare and the sleeve, the sealing of the pipe connection portion can be maintained.
請求項5の管継手においては、スリーブが管接続部内面
にはめ込まれ、かつ、第1、第2の管の内面に形成され
ているライニングに接着されているので、管接続部のシ
ール性を確保でき、しかも、管接続部において、管の母
材と流体の接触を断ち、母材の腐食を防止することがで
きる。In the pipe joint according to claim 5, the sleeve is fitted into the inner surface of the pipe connection part and is adhered to the linings formed on the inner surfaces of the first and second pipes, so that the sealing performance of the pipe connection part is improved. Moreover, it is possible to cut off contact between the base material of the pipe and the fluid at the pipe connection part, and prevent corrosion of the base material.
第1図は管継手の断面図、第2図はくい込みスリーブの
説明図、第3図は別の管継手の断面図である。
1・・・・・・第1の管 2・・・・・・第2の管 3
・・・・・・フレア 4・・・・・・第1のつば 5・
・・・・・第2のつば 5a・・・・・・円錐面 7・
・・・・・ボルト 8・・・・・・す・ソト 9・・・
・・くい込みスリーブ 9a・・・・・・突条 lO・
・・・・・パツキン 11・・・・・・ライニング 1
2・・・・・・接続スリーブFIG. 1 is a sectional view of a pipe joint, FIG. 2 is an explanatory view of a bite sleeve, and FIG. 3 is a sectional view of another pipe joint. 1...First pipe 2...Second pipe 3
...Flare 4...First brim 5.
...Second brim 5a...Conical surface 7.
...Bolt 8...Soto 9...
... Biting sleeve 9a ... Projection lO.
...Putskin 11 ...Lining 1
2... Connection sleeve
Claims (1)
(1)と、該フレアの中に管端を差し入れるように第1
の管と突き合わせられる第2の管(2)と、第1の管に
遊動自在に通され、該フレアに当接する第1のつば(4
)と、第2の管に遊動自在に通された第2のつば(5)
と、第1のつばと第2のつばを互に引き寄せるための締
め付け手段(7、8)と、該フレアの内面と第2のつば
との間に挟まれる格好で第2の管にはめられ、第2の管
にくい込む突条(9a)を内周面に有するくい込みスリ
ーブ(9)とからなる管継手。 2、第1のつばが、該フレアの外面に適合するよう中心
孔の周面が円錐面(5a)を形成している請求項1の管
継手。 3、該くい込みスリーブが、円周の一部で切れている請
求項1または2の管継手。 4、該フレアの内面とくい込みスリーブの間に挟まれる
格好で、第2の管に環状パッキン(10)がはめられて
いる請求項1、2または3の管継手。 5、第1、第2の管の接続部内面に接続スリーブ(12
)をはめるとともに、これを、第1、第2の管の内面に
形成されているライニング(11)に接着した請求項1
、2または3の管継手。[Claims] 1. A first tube (1) having a flare (3) that widens at the tube end;
a second tube (2) that is butted against the tube of
) and a second collar (5) which is freely passed through the second tube.
and a tightening means (7, 8) for drawing the first collar and the second collar together; , and a biting sleeve (9) having a protrusion (9a) on the inner circumferential surface that fits into the second pipe. 2. A pipe joint according to claim 1, wherein the first collar has a circumferential surface of the central hole forming a conical surface (5a) so as to fit the outer surface of the flare. 3. The pipe joint according to claim 1 or 2, wherein the bite sleeve is cut at a part of the circumference. 4. A pipe fitting according to claim 1, 2 or 3, characterized in that an annular packing (10) is fitted to the second pipe so as to be sandwiched between the inner surface of the flare and the bite sleeve. 5. Connecting sleeves (12
) and is bonded to the linings (11) formed on the inner surfaces of the first and second tubes.
, 2 or 3 pipe fittings.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63167371A JPH0656233B2 (en) | 1988-07-05 | 1988-07-05 | Pipe fitting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63167371A JPH0656233B2 (en) | 1988-07-05 | 1988-07-05 | Pipe fitting |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0217289A true JPH0217289A (en) | 1990-01-22 |
JPH0656233B2 JPH0656233B2 (en) | 1994-07-27 |
Family
ID=15848473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63167371A Expired - Lifetime JPH0656233B2 (en) | 1988-07-05 | 1988-07-05 | Pipe fitting |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0656233B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007162741A (en) * | 2005-12-09 | 2007-06-28 | Daikin Ind Ltd | Flared type pipe joint combined flareless type pipe joint |
JP2008057846A (en) * | 2006-08-31 | 2008-03-13 | Hitachi Appliances Inc | Air conditioner |
JP2008116121A (en) * | 2006-11-06 | 2008-05-22 | Hitachi Appliances Inc | Air conditioner |
JP2009019873A (en) * | 2008-10-20 | 2009-01-29 | Hitachi Appliances Inc | Air conditioner |
-
1988
- 1988-07-05 JP JP63167371A patent/JPH0656233B2/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007162741A (en) * | 2005-12-09 | 2007-06-28 | Daikin Ind Ltd | Flared type pipe joint combined flareless type pipe joint |
JP4730079B2 (en) * | 2005-12-09 | 2011-07-20 | ダイキン工業株式会社 | A bite type pipe joint that also serves as a flare type pipe joint |
JP2008057846A (en) * | 2006-08-31 | 2008-03-13 | Hitachi Appliances Inc | Air conditioner |
JP2008116121A (en) * | 2006-11-06 | 2008-05-22 | Hitachi Appliances Inc | Air conditioner |
JP2009019873A (en) * | 2008-10-20 | 2009-01-29 | Hitachi Appliances Inc | Air conditioner |
Also Published As
Publication number | Publication date |
---|---|
JPH0656233B2 (en) | 1994-07-27 |
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