JPH0454394Y2 - - Google Patents
Info
- Publication number
- JPH0454394Y2 JPH0454394Y2 JP1987001032U JP103287U JPH0454394Y2 JP H0454394 Y2 JPH0454394 Y2 JP H0454394Y2 JP 1987001032 U JP1987001032 U JP 1987001032U JP 103287 U JP103287 U JP 103287U JP H0454394 Y2 JPH0454394 Y2 JP H0454394Y2
- Authority
- JP
- Japan
- Prior art keywords
- retainer
- joint
- main body
- bush
- pipe
- 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
- 239000012777 electrically insulating material Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Joints That Cut Off Fluids, And Hose Joints (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は、特にガスや水の配管に使用されるフ
レキシブル管（以下、フレキ管と言う。）の管継
手の改良に関するものである。[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates to improvements in pipe joints for flexible pipes (hereinafter referred to as flexible pipes) used particularly for gas and water piping.
（従来の技術）
従来のこの種管継手として、特開昭60−第
73193号公報に示すものが存する。(Prior art) As a conventional pipe fitting of this type,
There is one shown in Publication No. 73193.
該従来の管継手は、第４図に示す如く、継手本
体１と袋ナツト２とリテーナ３とガスケツト４を
備え、継手本体１に袋ナツト２の雌螺子部６と螺
合する雄螺子部５を形成すると共に、リテーナ３
の内周面にフレキ管９の外周波形形状に係合する
波形形状７を形成し、且つ該リテーナ３の後端側
に厚肉のフランジ部８を一体に形成する構成とな
つている。 As shown in FIG. 4, the conventional pipe joint includes a joint body 1, a cap nut 2, a retainer 3, and a gasket 4. and retainer 3
A corrugated shape 7 that engages with the outer peripheral corrugated shape of the flexible pipe 9 is formed on the inner circumferential surface of the retainer 3, and a thick flange portion 8 is integrally formed on the rear end side of the retainer 3.
そして、実際にフレキ管９を接続する場合に
は、フレキ管９の端部に袋ナツト２を外嵌すると
同時に、リテーナ３の内周波形形状７とフレキ管
９の外周波形形状の係合を得て、該リテーナ３を
同様にフレキ管９に外嵌した後、フレキ管９の端
面と継手本体１の管受壁部１ａに上記ガスケツト
４を介在させて、継手本体１の雄螺子部５と袋ナ
ツト２の雌螺子部６を螺合させながら、袋ナツト
２を所定方向に回動すると、該袋ナツト２は自身
の基部２ａでリテーナ３の後端フランジ部８を押
圧しながら、継手本体１に順次締め付けられてい
く。 When actually connecting the flexible tube 9, the cap nut 2 is externally fitted onto the end of the flexible tube 9, and at the same time, the inner circumferential waveform 7 of the retainer 3 and the outer circumferential waveform of the flexible tube 9 are engaged. Then, after fitting the retainer 3 onto the flexible pipe 9 in the same way, the gasket 4 is interposed between the end face of the flexible pipe 9 and the pipe receiving wall portion 1a of the joint body 1, and the male screw portion 5 of the joint body 1 is inserted. When the cap nut 2 is rotated in a predetermined direction while screwing together the female screw portion 6 of the cap nut 2, the cap nut 2 presses the rear end flange portion 8 of the retainer 3 with its base 2a and connects the joint. They are sequentially tightened to the main body 1.
すると、この袋ナツト２の回動に伴い、フレキ
管９もリテーナ３を介して同方向に押圧されて、
端部９ａを図示する如く圧縮して、ガスケツト４
に密着させるので、これによりフレキ管９が継手
本体１に接続されることとなる。 Then, as the cap nut 2 rotates, the flexible tube 9 is also pressed in the same direction via the retainer 3.
Compress the end portion 9a as shown in the figure to seal the gasket 4.
Since the flexible pipe 9 is brought into close contact with the joint body 1, the flexible pipe 9 is thereby connected to the joint body 1.
（考案が解決しようとする問題点）
然し乍ら、従来の管継手にあつては、継手本体
１側に雄螺子部５を形成し、該雄螺子部５の内側
にリテーナ３を挿通して、袋ナツト２の基部２ａ
で、該リテーナ３の後端フランジ部８を押圧する
構成となつているので、袋ナツト２を回動してフ
レキ管９を継手本体１に接続しようとすると、袋
ナツト２の回動に伴い後端フランジ部８が袋ナツ
ト２の基部２ａに強く押圧されて、該フランジ部
８から続くリテーナ３の薄肉部に変形等の歪みを
発生して、特にリテーナ３の内周とフレキ管９の
外周との接面、及びリテーナ３の後端フランジ部
８と袋ナツト２の基部２ａの接面間で、徒に摩擦
抵抗が増大するので、袋ナツト２の回動により、
フレキ管９がリテーナ３を伴つて共回りしてしま
い、シール性が低下する問題点を有していた。(Problems to be solved by the invention) However, in the case of conventional pipe joints, a male threaded portion 5 is formed on the side of the joint body 1, and the retainer 3 is inserted into the inside of the male threaded portion 5 to form a bag. Base 2a of nut 2
Since the structure is such that the rear end flange portion 8 of the retainer 3 is pressed, when an attempt is made to connect the flexible pipe 9 to the joint body 1 by rotating the cap nut 2, as the cap nut 2 rotates, The rear end flange portion 8 is strongly pressed against the base portion 2a of the cap nut 2, causing distortion such as deformation in the thin wall portion of the retainer 3 that continues from the flange portion 8, and especially the inner periphery of the retainer 3 and the flexible tube 9. Since frictional resistance increases unnecessarily between the contact surface with the outer circumference and the contact surface between the rear end flange portion 8 of the retainer 3 and the base portion 2a of the cap nut 2, the rotation of the cap nut 2 causes
There was a problem in that the flexible tube 9 rotated together with the retainer 3, resulting in poor sealing performance.
更に、上記した従来の管継手にあつては、リテ
ーナ３及びガスケツト４を電気的絶縁材料で成形
していないので、鉄道等の重直流電気装置の接地
により発生する迷走電流や、地中埋設配管の電池
作用により発生する電流等により、管継手自体が
電気的腐食を起こして、配管寿命を著しく損なう
という大きな問題点をも有していた。 Furthermore, in the conventional pipe joint described above, since the retainer 3 and gasket 4 are not made of electrically insulating material, stray currents generated by grounding of heavy DC electrical equipment such as railways and underground piping can be avoided. There was also a major problem in that the pipe fittings themselves were subject to electrical corrosion due to the electric current generated by the battery action, significantly shortening the life of the pipes.
また、特開昭60−129583号公報には、スリーブ
とパツキンを電気的絶縁部材で形成した事項が開
示されているが、上記した共回りの防止構造につ
いては解消されていない。 Further, Japanese Patent Application Laid-Open No. 129583/1983 discloses that the sleeve and the packing are made of electrically insulating members, but the above-mentioned structure for preventing co-rotation is not solved.
（問題点を解決するための手段）
而して、本考案は斯る従来管継手の問題点を有
効に解決するために開発されたもので、少なくと
も継手主体とブツシユとリテーナとガスケツトを
備えて、継手主体にフレキシブル管を接続する構
造の管継手において、上記継手主体に雌螺子部を
形成し、ブツシユに該雌螺子部と螺合する雄螺子
部を形成すると共に、内周に波形形状を有するリ
テーナの継手主体側端部にブツシユの雄螺子部先
端面で押圧されるフレンジ部を形成し、更に、ブ
ツシユの雄螺子部の内周面とリテーナの外周面を
離間させ、且つ該リテーナとガスケツトを電気的
絶縁材料で成形する構成を採用した。(Means for solving the problems) Therefore, the present invention was developed to effectively solve the problems of the conventional pipe joints, and includes at least a main body of the joint, a bush, a retainer, and a gasket. In a pipe joint having a structure in which a flexible pipe is connected to a main body of the joint, a female thread portion is formed on the main body of the joint, a male thread portion is formed on the bush to be screwed with the female thread portion, and a wavy shape is formed on the inner periphery. A flange portion that is pressed by the tip end surface of the male threaded portion of the bushing is formed at the end of the joint main body side of the retainer, and further, the inner circumferential surface of the male threaded portion of the bushing is spaced from the outer circumferential surface of the retainer; A configuration in which the gasket is molded from electrically insulating material was adopted.
（作用）
依つて、本考案にあつては、継手主体側に雌螺
子部を形成し、ブツシユ側に雄螺子部を形成する
一方、リテーナの継手主体側端部にフランジ部を
形成して、該フランジ部をブツシユの雄螺子部先
端面で押圧する構成となつているので、継手主体
とブツシユの締付時には、リテーナのフランジ部
は、ブツシユの雄螺子部先端面で押圧されると共
に、該フランジ部から続くリテーナの薄肉部は、
雄螺子部の内壁面に直接接触していないので、リ
テーナが従来の如き変形等による歪みを発生させ
ることがなくなる。(Function) Accordingly, in the present invention, a female threaded portion is formed on the joint main body side, a male threaded portion is formed on the bushing side, and a flange portion is formed at the end of the retainer on the joint main body side, The flange portion is pressed by the tip end surface of the male thread of the bushing, so when the joint body and the bush are tightened, the flange portion of the retainer is pressed by the tip end surface of the male thread portion of the bushing, and The thin wall part of the retainer that continues from the flange part is
Since the retainer is not in direct contact with the inner wall surface of the male threaded portion, the retainer does not suffer from distortion due to deformation or the like as in the conventional case.
又、本考案にあつては、上記リテーナとガスケ
ツトを電気的絶縁材料で成形しているので、従来
の如く、迷送走電流や埋設配管の電池作用等に起
因する電気的腐食を有効に防止することが可能と
なる。 In addition, in the present invention, since the retainer and gasket are made of an electrically insulating material, electrical corrosion caused by stray running current or battery action of buried piping can be effectively prevented, unlike in the past. It becomes possible to do so.
（実施例）
以下、本考案を図示する実施例に基づいて詳述
する。(Example) Hereinafter, the present invention will be described in detail based on an illustrative example.
第１実施例に係る管継手も、第１図に示す如
く、継手主体１１とブツシユ１２とリテーナ１３
とガスケツト１４を備えるものであるが、特徴と
するところは、以下の構成に存する。 The pipe joint according to the first embodiment also includes a joint main body 11, a bush 12, and a retainer 13, as shown in FIG.
It is equipped with a gasket 14 and a gasket 14, and its feature lies in the following configuration.
即ち、本実施例にあつては、従来と異なり、継
手主体１１側に雌螺子部１６を形成し、ブツシユ
１２側に該雌螺子部１６と螺合する雄螺子部１５
を形成して、両者１１，１２の締付時には、ブツ
シユ１２の雄螺子部１５が継手主体１１の内側に
螺合する構成となしたものである。 That is, in this embodiment, unlike the conventional case, a female threaded portion 16 is formed on the joint main body 11 side, and a male threaded portion 15 that screws with the female threaded portion 16 is formed on the bush 12 side.
, so that when both 11 and 12 are tightened, the male threaded portion 15 of the bushing 12 is screwed into the inside of the joint main body 11.
又、リテーナ１３は、内周面にフレキ管１９の
外周波形形状に係合する波形形状１７を形成する
点については従来と同様であるが、本実施例にあ
つては、長手方向に２分割した割型式に構成する
と共に、厚肉フランジ部１８をリテーナ１３の先
端部、即ち継手主体１１側端部に形成して、ブツ
シユ１２の回動時には、該フランジ部１８をブツ
シユ１２の雄螺子部１５先端面で押圧するように
構成したものである。 Further, the retainer 13 is similar to the conventional one in that a waveform 17 is formed on the inner circumferential surface to engage with the outer circumferential waveform of the flexible tube 19, but in this embodiment, it is divided into two parts in the longitudinal direction. In addition, the thick flange portion 18 is formed at the tip of the retainer 13, that is, at the end on the joint main body 11 side, so that when the bush 12 rotates, the flange portion 18 is connected to the male screw portion of the bush 12. No. 15 is configured to be pressed by the tip end surface.
そして、本実施例にあつては、斯る構成に加え
て、上記割型式のリテーナ１３とガスケツト１４
を、合成樹脂やセラミツクス等の電気的絶縁材料
で形成したことを特徴とするものである。 In this embodiment, in addition to this configuration, the above-mentioned split type retainer 13 and gasket 14 are provided.
The device is characterized in that it is made of an electrically insulating material such as synthetic resin or ceramics.
依つて、第１実施例の管継手を用いて、フレキ
管１９を継手主体１１に接続する場合には、まず
フレキ管１９の端部にブツシユ１２を外嵌すると
同時に、絶縁材料製リテーナ１３の波形形状１７
とフレキ管１９の外周波形形状の係合を得て、該
割型式リテーナ１３を同時にフレキ管１９に外嵌
した後、フレキ管１９の端面と継手主体１１の管
受壁部１１ａに、絶縁材料製ガスケツト１４を介
在させて、継手主体１１の雌螺子部１６とブツシ
ユ１２の雄螺子部１５を螺合させながら、ブツシ
ユ１２を所定方向に回動すると、該ブツシユ１２
は雄螺子部１５先端面でリテーナ１３の先端フラ
ンジ部１８を押圧しながら、継手主体１１に順次
締め付けられていく。 Therefore, when connecting the flexible pipe 19 to the joint body 11 using the pipe joint of the first embodiment, first, the bush 12 is fitted onto the end of the flexible pipe 19, and at the same time, the retainer 13 made of insulating material is fitted. Waveform shape 17
After the split retainer 13 is fitted onto the flexible pipe 19 at the same time, an insulating material is applied to the end face of the flexible pipe 19 and the pipe receiving wall 11a of the joint main body 11. When the bush 12 is rotated in a predetermined direction while the female thread part 16 of the joint main body 11 and the male thread part 15 of the bush 12 are screwed together with a gasket 14 made of
is sequentially tightened to the joint main body 11 while pressing the distal end flange portion 18 of the retainer 13 with the distal end surface of the male thread portion 15.
すると、このブツシユ１２の回動に伴い、第２
図に示す如く、フレキ管１９もリテーナ１３を介
して同方向に押圧されて、端部１９ａを図示する
如く圧縮して、ガスケツト１４を密着させるの
で、これによりフレキ管１９が継手主体１１に簡
単に接続されることとなる。 Then, as the bush 12 rotates, the second
As shown in the figure, the flexible pipe 19 is also pressed in the same direction via the retainer 13, compressing the end portion 19a as shown in the figure and bringing the gasket 14 into close contact with the flexible pipe 19. It will be connected to.
然し、本実施例にあつては、従来と異なり、継
手主体１１側に雌螺子部１６を形成し、ブツシユ
１２側に雄螺子部１５を形成する一方、リテーナ
１３の先端部に厚肉フランジ部１８を形成して、
該フランジ部１８をブツシユ１２の雄螺子部１５
先端面で押圧する構成となつているので、継手主
体１１とブツシユ１２の締付時には、リテーナ１
３の先端フランジ部１８は、ブツシユ１２の雄螺
子部１５先端で押圧されると共に、該フランジ部
１８から続くリテーナ１３の薄肉部は、雄螺子部
１５の内壁面に直接接触していないので従来の如
く変形等により歪む恐れがほとんどない。 However, in this embodiment, unlike the conventional case, a female thread part 16 is formed on the joint main body 11 side, a male thread part 15 is formed on the bush 12 side, and a thick flange part is formed on the tip of the retainer 13. form 18,
The flange portion 18 is connected to the male screw portion 15 of the bush 12.
Since the structure is such that the pressure is applied at the tip end surface, when the joint main body 11 and the bush 12 are tightened, the retainer 1
The tip flange portion 18 of No. 3 is pressed by the tip of the male screw portion 15 of the bush 12, and the thin wall portion of the retainer 13 continuing from the flange portion 18 is not in direct contact with the inner wall surface of the male screw portion 15. There is almost no risk of distortion due to deformation etc.
従つて、例えリテーナ１３の内周とフレキ管１
９の外周との接面、リテーナ１３の外周と雄螺子
部１５の内壁との接面、及びフランジ部１８と雄
螺子部１５の接面間に、摩擦抵抗が発生したとし
ても、これらの摩擦抵抗の総和は、継手主体１１
とガスケツト１４の接面及びガスケツト１４とフ
レキ管１９の接面間に発生する摩擦抵抗よりも必
然的に小さくなるので、ブツシユ１２の回動によ
りフレキ管１９が共回りすることが完全に阻止さ
れることとなる。 Therefore, even if the inner circumference of the retainer 13 and the flexible pipe 1
Even if frictional resistance occurs between the contact surface with the outer periphery of the retainer 13, the contact surface between the outer periphery of the retainer 13 and the inner wall of the male threaded portion 15, and the contact surface between the flange portion 18 and the male threaded portion 15, these frictions The total resistance is the joint main body 11
This is inevitably smaller than the frictional resistance generated between the contact surfaces of the gasket 14 and the contact surfaces of the gasket 14 and the flexible pipe 19, so that the flexible pipe 19 is completely prevented from rotating together with the rotation of the bush 12. The Rukoto.
しかも、本実施例にあつては、リテーナ１３と
ガスケツト１４を電気的絶縁材料で成形している
ので、迷走電流や埋設配管の電池作用等に起因す
る電気的腐食を確実に防止することが可能となつ
て、管継手の長寿命化を保障できることとなる。 Moreover, in this embodiment, since the retainer 13 and gasket 14 are made of electrically insulating material, it is possible to reliably prevent electrical corrosion caused by stray currents, battery action of buried piping, etc. Therefore, it is possible to guarantee a long life of the pipe joint.
また、第５図は上記第１実施例に係るリテーナ
１３の他例を示す斜視図で、リテーナ１３は、同
図に示すように、両リテーナ片をヒンジ１３ａを
設けて一体に連結するように構成しても良い。 Further, FIG. 5 is a perspective view showing another example of the retainer 13 according to the first embodiment, and as shown in the same figure, the retainer 13 is constructed such that both retainer pieces are connected together by providing a hinge 13a. It may be configured.
次に、第２実施例に係る管継手を説明すると、
該実施例は上記第１実施例の構成を全て前提とす
るものであるが、異なるところは、第３図に示す
如く、絶縁材料製割型式リテーナ１３のフランジ
部１８の対向する外周面に、２個の係合突起１８
ａを一体に形成すると共に、継手主体１１の雌螺
子部１６面に、該各係合突起１８ａと係合するロ
ツク溝１６ａを同じく対向して形成して、該各ロ
ツク溝１６ａに対する係合突起１８ａの係合によ
り、リテーナ１３を継手主体１１の雌螺子部１６
内に確実にロツクできるように構成したものであ
る。 Next, the pipe joint according to the second embodiment will be explained.
This embodiment is based on the entire structure of the first embodiment, but the difference is that, as shown in FIG. Two engaging protrusions 18
a are integrally formed, and lock grooves 16a that engage with the respective engagement protrusions 18a are also formed oppositely on the surface of the female threaded portion 16 of the joint main body 11, so that the engagement protrusions for the respective lock grooves 16a are formed integrally with each other. 18a, the retainer 13 is connected to the female screw portion 16 of the joint main body 11.
It is designed so that it can be reliably locked inside the device.
依つて、第２実施例にあつては、ブツシユ１２
の回動に際しては、フランジ部１８に形成されて
いる各係合突起１８ａが、雌螺子部１６に形成さ
れているロツク溝１６ａに係合しれ、リテーナ１
３を共回りすることなく、直線的に継手主体１１
の内側に案内できるので、フレキ管１９が共回り
してシール性を低下することを、第１実施例より
も一層確実に防止できることが可能となる。 Therefore, in the second embodiment, the bush 12
When the retainer 1 is rotated, each engagement protrusion 18a formed on the flange portion 18 is engaged with a locking groove 16a formed on the female screw portion 16, and the retainer 1 is rotated.
The joint body 11 is linearly moved without co-rotating 3.
Since the flexible pipe 19 can be guided inside the flexible pipe 19, it is possible to prevent the flexible pipe 19 from rotating together and deteriorating the sealing performance more reliably than in the first embodiment.
また、第６図は上記第２実施例に係るリテーナ
１３の他例を示す斜視図で、リテーナ１３は、同
図に示すように、両リテーナ片をヒンジ１３ａを
設けて一体に連結するように構成しても良い。 Further, FIG. 6 is a perspective view showing another example of the retainer 13 according to the second embodiment, and as shown in the same figure, the retainer 13 is constructed such that both retainer pieces are connected together by providing a hinge 13a. It may be configured.
（考案の効果）
以上の如く、本考案は、まずリテーナとガスケ
ツトを電気的絶縁材料で成形したことを特徴とす
るものであるから、鉄道等の重直流電気装置の接
地により発生する迷走電流や、地中埋設配管の電
池作用により発生する電流等により、従来の如く
管継手自体が電気的腐食を起こすことを、確実に
防止することが可能となる。(Effects of the invention) As described above, the present invention is characterized in that the retainer and gasket are made of an electrically insulating material, so that stray currents generated by grounding of heavy DC electrical equipment such as railways, etc. It becomes possible to reliably prevent the pipe joint itself from being electrically corroded as in the past due to the electric current generated by the battery action of underground pipes.
従つて、極めて簡単な構造をもつて、管継手の
長寿命化が保障されることとなつた。 Therefore, the life of the pipe joint can be extended with an extremely simple structure.
その上、本考案は、継手主体に雌螺子部を形成
し、ブツシユに該雌螺子部と螺合する雄螺子部を
形成すると共に、リテーナの継手主体側端部にブ
ツシユの雄螺子部先端面で押圧されるフランジ部
を形成したことを特徴とするものであるから、継
手主体とブツシユの締付時には、リテーナのフラ
ンジ部が、ブツシユの雄螺子部先端面で押圧され
ると共に、該フランジ部から続くリテーナの薄肉
部は、雄螺子部の内壁面に直接接触していないの
で、リテーナが従来の如き変形等による歪みを発
生させることがなくなる。 Furthermore, in the present invention, a female thread is formed in the main body of the joint, a male thread is formed in the bush to engage with the female thread, and the tip surface of the male thread of the bush is formed at the end of the retainer on the side of the main body of the joint. Since the retainer is characterized by a flange portion that is pressed by the bushing, when the joint body and the bushing are tightened, the flange portion of the retainer is pressed by the tip surface of the male thread portion of the bushing, and the flange portion Since the thin portion of the retainer continuing from the retainer does not directly contact the inner wall surface of the male threaded portion, the retainer does not suffer from distortion due to deformation or the like as in the conventional case.
従つて、例えリテーナの内周とフレキ管の外周
との接面、リテーナの外周と雄螺子部の内壁との
接面、及びフランジ部と雄螺子部の接面間に、摩
擦抵抗が発生したとしても、これらの摩擦抵抗の
総和は、ブツシユの回動によりフレキ管が共回り
する抵抗力とはならないので、極めて簡易構造を
もつて、フレキ管の共回りを完全に防止して、シ
ール性の向上にも貢献できることとなつた。 Therefore, even if frictional resistance occurs between the contact surface between the inner periphery of the retainer and the outer periphery of the flexible pipe, the contact surface between the outer periphery of the retainer and the inner wall of the male threaded portion, and the contact surface between the flange portion and the male threaded portion. However, the sum of these frictional resistances does not become the resistance force that causes the flexible pipe to rotate together due to the rotation of the bushing. Therefore, with an extremely simple structure, the simultaneous rotation of the flexible pipe can be completely prevented, and the sealing performance can be improved. This will also contribute to the improvement of
第１図は本考案の第１実施例に係る管継手を示
す分解斜視図、第２図は第１実施例の管継手を用
いて、フレキ管を接続した状態を示す半断面図、
第３図は第２実施例に係る管継手を示す分解斜視
図、第４図は従来の管継手を用いて、フレキ管を
接続した状態を示す半断面図、第５図及び第６図
はそれぞれ本考案で使用するリテーナの他例を示
す斜視図である。
１１……継手主体、１２……ブツシユ、１３…
…リテーナ、１５……雄螺子部、１６……雌螺子
部、１８……フランジ部、１９……フレキ管。
FIG. 1 is an exploded perspective view showing a pipe joint according to a first embodiment of the present invention, and FIG. 2 is a half-sectional view showing a state in which flexible pipes are connected using the pipe joint of the first embodiment.
FIG. 3 is an exploded perspective view showing a pipe joint according to the second embodiment, FIG. 4 is a half-sectional view showing a state in which flexible pipes are connected using a conventional pipe joint, and FIGS. 5 and 6 are FIG. 7 is a perspective view showing other examples of retainers used in the present invention. 11... Joint main body, 12... Button, 13...
...Retainer, 15...Male thread part, 16...Female thread part, 18...Flange part, 19...Flexible pipe.
Claims (1)
スケツトを備えて、継手主体にフレキシブル管を
接続する構造の管継手において、上記継手主体に
雌螺子部を形成し、ブツシユに該雌螺子部と螺合
する雄螺子部を形成すると共に、内周に波形形状
を有するリテーナの継手主体側端部にブツシユの
雄螺子部先端面で押圧されるフランジ部を形成
し、更に、ブツシユの雄螺子部の内周面とリテー
ナの外周面を離間させ、且つ該リテーナと上記ガ
スケツトを電気的絶縁材料で形成したことを特徴
とする管継手。 In a pipe joint having a structure in which a flexible pipe is connected to the joint main body, the joint main body is provided with at least a joint main body, a bush, a retainer, and a gasket, and a female thread portion is formed on the joint main body, and a male screw thread is formed on the bush to be screwed with the female thread portion. At the same time, a flange portion which is pressed by the tip end surface of the male threaded portion of the bushing is formed on the end of the joint main body side of the retainer having a waveform shape on the inner periphery, and further, a flange portion is formed on the end surface of the male threaded portion of the bushing. A pipe joint characterized in that the outer peripheral surface of the retainer is spaced apart, and the retainer and the gasket are made of an electrically insulating material.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987001032U JPH0454394Y2 (en) | 1987-01-09 | 1987-01-09 | |
| GB8722464A GB2197409B (en) | 1986-10-31 | 1987-09-24 | Pipe joint |
| US07/110,970 US4801158A (en) | 1986-10-31 | 1987-10-20 | Pipe joint |
| AU80510/87A AU596236B2 (en) | 1986-10-31 | 1987-10-30 | Pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987001032U JPH0454394Y2 (en) | 1987-01-09 | 1987-01-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63110787U JPS63110787U (en) | 1988-07-16 |
| JPH0454394Y2 true JPH0454394Y2 (en) | 1992-12-21 |
Family
ID=30778559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987001032U Expired JPH0454394Y2 (en) | 1986-10-31 | 1987-01-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0454394Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2581623B2 (en) * | 1991-07-19 | 1997-02-12 | 三菱電機株式会社 | Electric water heater |
| JP2016176584A (en) * | 2015-03-23 | 2016-10-06 | 東京エレクトロン株式会社 | Gas introduction pipe connection structure and substrate treating device using the same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60129583U (en) * | 1984-02-09 | 1985-08-30 | 日立金属株式会社 | insulation pipe fittings |
-
1987
- 1987-01-09 JP JP1987001032U patent/JPH0454394Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63110787U (en) | 1988-07-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0454394Y2 (en) | ||
| US4194768A (en) | Liquid-tight connector | |
| JP2563078B2 (en) | Rubber packing for pipe fittings | |
| JPH0336794Y2 (en) | ||
| KR100258025B1 (en) | Pipe connecter | |
| JPH0336793Y2 (en) | ||
| JP2549744Y2 (en) | Pipe fittings | |
| JPH0735875B2 (en) | Pipe fitting | |
| JPH0237014Y2 (en) | ||
| JPH0336795Y2 (en) | ||
| JPH11230439A (en) | Pipe connecting device | |
| JP2003074766A (en) | Pipe joint | |
| JPH0647194Y2 (en) | Electric insulation flexible pipe fitting | |
| JP2605316Y2 (en) | Flexible pipe fittings | |
| KR890001694Y1 (en) | Pipe joint for plastic pipe | |
| JPS6317913Y2 (en) | ||
| JPH0511430Y2 (en) | ||
| JPS6118302Y2 (en) | ||
| JP3062049U (en) | Pipe fittings | |
| JPS5921186U (en) | pipe fittings | |
| JP2577182Y2 (en) | Anticorrosion pipe connection structure | |
| CA1145426A (en) | Liquid-tight connector for flexible electrical conduit | |
| KR960007449Y1 (en) | Pipes coupling | |
| JPH043195Y2 (en) | ||
| JPH0710155Y2 (en) | Coupling device for piping |