JPH04165188A - Eye joint - Google Patents

Eye joint

Info

Publication number
JPH04165188A
JPH04165188A JP2290273A JP29027390A JPH04165188A JP H04165188 A JPH04165188 A JP H04165188A JP 2290273 A JP2290273 A JP 2290273A JP 29027390 A JP29027390 A JP 29027390A JP H04165188 A JPH04165188 A JP H04165188A
Authority
JP
Japan
Prior art keywords
pipe
ring
eye
hole
vertical hole
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.)
Pending
Application number
JP2290273A
Other languages
Japanese (ja)
Inventor
Terumitsu Oshima
照光 大島
Shigemi Yamaguchi
山口 茂美
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyoda Gosei Co Ltd
Original Assignee
Toyoda Gosei Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toyoda Gosei Co Ltd filed Critical Toyoda Gosei Co Ltd
Priority to JP2290273A priority Critical patent/JPH04165188A/en
Publication of JPH04165188A publication Critical patent/JPH04165188A/en
Pending legal-status Critical Current

Links

Landscapes

  • Branch Pipes, Bends, And The Like (AREA)
  • Joints Allowing Movement (AREA)

Abstract

PURPOSE:To connect an eye part to a pipe part without brazing and secure high sealing performance by inserting one end of a pipe part fittingly into the ring like recessed part provided on the end face of an eye part so as to be clamped in the radial direction of the pipe part by the inner wall surface of the ring like recessed part. CONSTITUTION:An eye part is formed into ring shape and provided with a vertical hole 11, a ring groove part 12 formed on the inner peripheral surface of the vertical hole 11, and a lateral hole 13 axially intersecting the vertical hole 11 so as to communicate the groove part 12 with outside. After inserting one end of the pipe part 2 fittingly into the engaging recessed part 15 of a neck part 14, a caulking part 17 is formed at the neck part 14 by performing caulking-molding from both inner peripheral surface and outer peripheral surface of the neck part 14, so that the inner wall surface of the engaging recessed part 15 is plastically deformed in the radially approaching direction. The pipe part 2 is clamped strongly in the radial direction by the inner wall surface of the engaging recessed part 15, and the thick wall part 21 of the pipe part 2 and the inner wall surface of the engaging recessed part 15 are engaged with each other, so that the relative axial movement between the eye part 1 and the pipe part 2 is regulated positively, and sealing performance is further heightened.

Description

【発明の詳細な説明】 −1= 〔産業上の利用分野〕 本発明は、自動車の燃料流路などに用いられる目玉継手
に関する。
DETAILED DESCRIPTION OF THE INVENTION -1= [Industrial Application Field] The present invention relates to a centerpiece joint used in a fuel flow path of an automobile.

〔従来の技術〕[Conventional technology]

第4図に従来用いられている目玉継手の断面図を示す。 FIG. 4 shows a cross-sectional view of a conventionally used eye joint.

この目玉継手は、目玉部100と、パイプ部200と、
ニップル300およびスリーブ400とから構成されて
いる。
This eye joint includes an eye portion 100, a pipe portion 200,
It is composed of a nipple 300 and a sleeve 400.

目玉部100はリング状をなし、縦穴101と、縦穴1
01の内周表面に形成されたリング状の溝部]、 02
と、軸方向が縦穴101と交差し溝部102と外部とを
連通ずることで溝部102を介して外部と流路とを連通
ずる横穴1.03とが形成されている。
The eyeball part 100 has a ring shape, and has a vertical hole 101 and a vertical hole 1.
Ring-shaped groove formed on the inner peripheral surface of 01], 02
A horizontal hole 1.03 whose axial direction intersects with the vertical hole 101 and communicates the groove 102 with the outside, thereby communicating the outside and the flow path via the groove 102, is formed.

パイプ部200は、中心穴が横穴103と連通ずるよう
に、一端が目玉部1.00とろう付は部201により一
体的に結合されている。
The pipe portion 200 has one end integrally connected to the center portion 1.00 by a brazing portion 201 so that the center hole communicates with the side hole 103.

そしてパイプ部200の他端には外表面に係止溝301
をもつニップル300がろう付は部2゜2により固定さ
れ、係止溝301にスリーブ4゜0が係止されている。
A locking groove 301 is provided on the outer surface of the other end of the pipe portion 200.
A nipple 300 having a diameter is fixed by a brazing portion 2.2, and a sleeve 4.0 is locked in a locking groove 301.

このニップル300とスリーブ4()0とて継手部が構
成されている。
The nipple 300 and the sleeve 4()0 constitute a joint.

この目玉継手では、ニップル300がポースに挿入され
、スリーブ400を縮径させることによりポースとニッ
プル300およびスリーブ400が一体的に結合される
。また目玉部100の縦穴101には、銅ワッシャなど
を介して内部に流路をもつボルトが挿通され、ぞのポル
I・が流路をもつ被取付部に螺合されることにより、目
玉部100が被取付部と結合される。ぞし7てホース内
の流体は、ニップA 300およびパイプ部200を通
過し、横穴103から溝部102を介してボルト内に形
成された流路を通して被取付部の流路に流入する。
In this joint, the nipple 300 is inserted into the mouth, and the sleeve 400 is reduced in diameter, thereby integrally joining the mouth, the nipple 300, and the sleeve 400. In addition, a bolt having a flow path inside is inserted into the vertical hole 101 of the eyepiece 100 through a copper washer, etc., and the hole I is screwed into the attached part having a flow path. 100 is coupled to the attached part. The fluid in the hose then passes through the nip A 300 and the pipe portion 200, and flows from the side hole 103 through the groove portion 102 into the flow path formed in the bolt and into the flow path of the attached part.

このような目玉継手の製造方法としては、従来より全体
を切削加工により形成されていた。しかし利料のロスが
多く工数も多いため、近年では目玉部、パイプ部および
継手部をそれぞれ切削加工などで形成し、次いてろう付
けによりろう付は部201.202を形成して、全体を
一体的に固定する方法が採用さねている。
Conventionally, such eye joints have been manufactured by cutting the entire joint. However, since there is a lot of loss in interest and a lot of man-hours, in recent years, the center part, pipe part, and joint part are each formed by cutting, and then the brazed parts 201 and 202 are formed by brazing to form the whole part. An integral fixing method has been adopted.

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

ところがろう付(づにより結合する方法は、1−1視た
けては確実にろう付けされているかどうかを検査するこ
とが困難である。また、]」視たけてシール性が得られ
ているかどうかを検査することは一層困難である。した
がって目玉継手のように高いシール性を必要とする部品
の場合には、ろう付は後の検査工数か多大となっていた
However, with the method of joining by brazing, it is difficult to inspect whether the brazing is reliably brazed at a glance. Therefore, in the case of parts that require high sealing performance, such as eye joints, brazing requires a large amount of inspection work.

本発明はこのような事情に鑑みてなされたものであり、
目玉継手のうち目玉部とパイプ部とをろう付けなしに結
合し、かつ高いシール性を確保することを目的とする。
The present invention was made in view of these circumstances, and
The purpose is to connect the eye part and the pipe part of the eye joint without brazing, and to ensure high sealing performance.

〔課題を解決するための手段〕[Means to solve the problem]

本発明の目玉継手は、内部に流路をもつボルトが挿通さ
れる縦穴と、該縦穴の内周表面に形成さ第1たリング状
の溝部と、軸方向が該縦穴と交差し該溝部と外部とを連
通ずることで該溝部を介して外部と該流路とを連通ずる
横穴と、からなる目玉部と、中心穴が該横穴と連通ずる
ように一端が該目玉部と一体的に結合されたパイプ部と
、該パイプ部の他端に結合された継手部と、よりなり、
前記目玉部(」前記横穴の開口する端面に該開口と同軸
的なリング状凹部をもち、前記パイプ部の一端は該リン
グ状凹部に嵌挿され該リング状凹部の内壁面で前記パイ
プ部の径方向に挟持されることにより、前記目玉部と前
記パイプ部とか結合されていることを特徴とするもので
ある。
The eye joint of the present invention includes a vertical hole having a flow path inside through which a bolt is inserted, a first ring-shaped groove formed on the inner circumferential surface of the vertical hole, and a first ring-shaped groove whose axial direction intersects with the vertical hole. a lateral hole that communicates with the outside to communicate the flow path with the outside via the groove, and an eyepiece portion that is integrally connected to the eyeball portion at one end such that the center hole communicates with the lateral hole; consisting of a pipe section that is connected to the pipe section, and a joint section that is connected to the other end of the pipe section,
The eyeball portion has a ring-shaped recess coaxial with the opening on the end face of the horizontal hole, and one end of the pipe portion is fitted into the ring-shaped recess and the inner wall of the ring-shaped recess is connected to the pipe portion. It is characterized in that the eyeball part and the pipe part are connected by being held in the radial direction.

〔発明の作用、及び効果〕[Action and effect of the invention]

本発明の目玉継手は、パイプ部の一端か目玉部の横穴が
17ff口する端面に設けられたリング状凹部に嵌挿さ
れ、該リング状凹部の内壁面でパイプ部の径方向に挟持
されることにより、目玉部とパイプ部とが結合されてい
る。このため、リング状凹部の内壁面とパイプ部との間
における接触面か互いに圧接され、1」工部とパイプ部
とは高いシール性を確保して確実に結合される。
The eye joint of the present invention is fitted into a ring-shaped recess provided at one end of the pipe portion or at the end surface where the horizontal hole of the eye portion opens 17ff, and is held between the inner wall surface of the ring-shaped recess in the radial direction of the pipe portion. As a result, the eyeball part and the pipe part are connected. Therefore, the contact surfaces between the inner wall surface of the ring-shaped recess and the pipe section are brought into pressure contact with each other, and the 1" section and the pipe section are reliably connected with high sealing performance.

したがって、本発明の目玉継手では、パイプ部の固定に
ろう付けが不要となり、検査工数の低減を図ることかで
きる。
Therefore, in the eye joint of the present invention, brazing is not required to fix the pipe portion, and the number of inspection steps can be reduced.

〔実施例〕〔Example〕

以下、本発明の目玉継手の具体的な実施例を図面を参照
しつつ説明する。
Hereinafter, specific embodiments of the eye joint of the present invention will be described with reference to the drawings.

第1図に本実施例の目玉継手の使用状態における全体断
面図を示す。この目玉継手は、目玉部1と、パイプ部2
と、ニップル3およびスリーブ4とから構成されている
FIG. 1 shows an overall cross-sectional view of the eye joint of this embodiment in a state of use. This eye joint consists of eye part 1 and pipe part 2.
, a nipple 3 and a sleeve 4.

目玉部1はリング状をなし、第2図に示すように、縦穴
11と、縦穴11の内周表面に形成されたリング状の溝
部j2と、軸方向が縦穴11と交差し溝部j2と外部と
を連通ずる横穴13とか形成されている。そして、上記
横穴13の一部を内周面にもち円形の外周面をもつ首部
14が目玉部1の側方から突出して一体的に形成されて
いる。
The eyepiece part 1 has a ring shape, and as shown in FIG. A horizontal hole 13 is formed to communicate with the A neck portion 14 having a circular outer circumferential surface and having a part of the horizontal hole 13 on its inner circumferential surface is integrally formed so as to protrude from the side of the eyeball portion 1.

この首部14の端面には横穴13が開口するとともに、
横穴13の開口と同軸的なリング状凹部I5が形成され
ている。また、首部14の外周面にはかしめ成形により
形成されたかしめ部16.16か軸方向に2条並んで形
成されている。
A horizontal hole 13 is opened in the end surface of this neck portion 14, and
A ring-shaped recess I5 coaxial with the opening of the horizontal hole 13 is formed. Further, on the outer circumferential surface of the neck portion 14, two caulking portions 16, 16 formed by caulking forming are formed side by side in the axial direction.

パイプ部2の−・端はその中心穴が横穴13と連通する
ように、ト、記リング状凹部15に嵌挿され一体的に結
合されている。
The ends of the pipe portion 2 are fitted into the ring-shaped recess 15 and integrally connected so that the center hole communicates with the horizontal hole 13.

そしてパイプ部2の他端には外表面に係止溝31をもつ
ニップル13がろう付は部32により固定され、係止溝
31にスリーブ4か係止されている。
A nipple 13 having a locking groove 31 on its outer surface is fixed to the other end of the pipe portion 2 by a brazing portion 32, and a sleeve 4 is locked in the locking groove 31.

このニップル3とスリーブ4とで継手部が構成されてい
る。
This nipple 3 and sleeve 4 constitute a joint portion.

この目玉継手では、ニップル3かホース(図示ゼず)に
挿入さね、スリーブ4を縮径させることによりホースと
ニップル3お、上びスリーブ゛4か一体的に結合される
。また目玉部1の縦穴11には、銅ワッシャ5.5など
を介して内部にボルト流路61をもつボルト6か挿通さ
れ、そのボルト6が流路71をもつ被数イ」部7に螺合
されることにより、目玉部1が被取付部7と結合される
。そしてポース内の流体は、ニップル3およびパイプ部
2を通過し、横穴13から溝部12を介してボルト6の
ボルト流路61を通じて被取付部7の流路71に流入す
る。
In this joint, the nipple 3 is inserted into a hose (not shown), and the sleeve 4 is reduced in diameter, so that the hose, nipple 3, upper sleeve 4, and the like are integrally connected. Further, a bolt 6 having a bolt passage 61 inside is inserted into the vertical hole 11 of the eyepiece part 1 via a copper washer 5.5, and the bolt 6 is screwed into the numbered part 7 having a passage 71. By being fitted together, the eyeball part 1 is combined with the attached part 7. The fluid in the port passes through the nipple 3 and the pipe portion 2, and flows from the side hole 13 through the groove portion 12, through the bolt flow path 61 of the bolt 6, and into the flow path 71 of the attached portion 7.

本実施例の目玉継手では、目玉部1とパイプ部2との結
合は、パイプ部2の−・端を首部14のリング状凹部1
5に嵌挿後、首部14の横穴13内に横穴13の内径と
等しい外径をもつ芯材8(第2図)を嵌挿した状態で、
首部14の外周面を2箇所かしめ成形してかしめ部16
.16を形成することにより行われている。すなわち、
パイプ部2がリング状凹部15の内壁面で径方向に挟持
されることにより、リング状凹部15の内壁面とパイプ
部2との間における接触面が互いに圧接され、目玉部1
とパイプ部2とは高いシール性を確保して確実に結合さ
れる。
In the eye joint of this embodiment, the eye part 1 and the pipe part 2 are connected by connecting the - end of the pipe part 2 to the ring-shaped recess of the neck part 14.
5, with the core material 8 (FIG. 2) having an outer diameter equal to the inner diameter of the horizontal hole 13 inserted into the horizontal hole 13 of the neck portion 14,
The outer peripheral surface of the neck portion 14 is caulked at two places to form the caulked portion 16.
.. This is done by forming 16. That is,
By sandwiching the pipe portion 2 between the inner wall surfaces of the ring-shaped recess 15 in the radial direction, the contact surfaces between the inner wall surface of the ring-shaped recess 15 and the pipe portion 2 are pressed against each other, and the eyeball portion 1
and the pipe portion 2 are reliably connected to each other while ensuring high sealing performance.

したがって、本実施例の目玉継手では、パイプ部2の固
定にろう付けが不要となり、検査工数の低減を図ること
ができる。
Therefore, in the eye joint of this embodiment, brazing is not required to fix the pipe portion 2, and the number of inspection steps can be reduced.

〔その他の実施例〕[Other Examples]

第3図にパイプ部2の一端側の先端縁部に肉厚部21を
形成した実施例の要部断面図を示す。この実施例では、
パイプ部2の一端を首部14の係合凹部15に嵌挿後、
首部14の内周面及び外周面の両面からかしめ成形して
首部14にかしめ部17を形成することにより、係合凹
部15の内壁面は径方向に互いに近づく方向に塑性変形
している。このため、パイプ部2は係合凹部15の内壁
面で径方向により強く挟持されるとともに、パイプ部2
の肉厚部21と係合凹部15の内壁面とが係合して目玉
部1とパイプ部2との軸方向の相対移動が確実に規制さ
れている。したがって、目玉部1とパイプ部2との結合
かより確実になされ、両者のシール性も一層高まる。
FIG. 3 shows a cross-sectional view of a main part of an embodiment in which a thick wall portion 21 is formed at the tip edge of one end of the pipe portion 2. As shown in FIG. In this example,
After fitting one end of the pipe portion 2 into the engagement recess 15 of the neck portion 14,
By forming the caulking portion 17 on the neck portion 14 by caulking both the inner and outer circumferential surfaces of the neck portion 14, the inner wall surfaces of the engagement recess 15 are plastically deformed in a direction toward each other in the radial direction. Therefore, the pipe portion 2 is more strongly held in the radial direction by the inner wall surface of the engagement recess 15, and the pipe portion 2
The thick portion 21 and the inner wall surface of the engagement recess 15 engage with each other, thereby reliably restricting relative movement in the axial direction between the eyeball portion 1 and the pipe portion 2. Therefore, the eyepiece part 1 and the pipe part 2 are more securely connected, and the sealing performance between them is further improved.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図及び第2図は本発明の一実施例の目玉継手に係り
、第1図は上記目玉継手の使用状態にお(:する全体断
面図、第2図は上記目玉継手の目玉部とパイプ部との結
合方法を説明する断面図である。 第3図は本発明の他の実施例の目玉継手の要部断面図で
ある。第4図は従来の目玉継手の全体断面図である。 1・・・目玉部      2・・・パイプ部6・・・
ボルト     11・・・縦穴12・・溝部    
  13・・・横穴14・・・首部      15・
・・リング状凹部16.17・・・かしめ部 特許出願人   豊田合成株式会社 代理人    弁理士 大川 宏
Figures 1 and 2 relate to an eye joint according to an embodiment of the present invention, and Figure 1 is an overall sectional view of the eye joint in use. FIG. 3 is a sectional view illustrating a method of coupling with a pipe part. FIG. 3 is a sectional view of a main part of a centerpiece joint according to another embodiment of the present invention. FIG. 4 is an overall sectional view of a conventional centerpiece joint. 1...Eyeball part 2...Pipe part 6...
Bolt 11... Vertical hole 12... Groove
13... Side hole 14... Neck 15.
...Ring-shaped recessed portion 16.17...Clinched portion Patent applicant: Toyoda Gosei Co., Ltd. Representative Patent attorney: Hiroshi Okawa

Claims (1)

【特許請求の範囲】[Claims] (1)内部に流路をもつボルトが挿通される縦穴と、該
縦穴の内周表面に形成されたリング状の溝部と、軸方向
が該縦穴と交差し該溝部と外部とを連通することで該溝
部を介して外部と該流路とを連通する横穴と、からなる
目玉部と、 中心穴が該横穴と連通するように一端が該目玉部と一体
的に結合されたパイプ部と、 該パイプ部の他端に結合された継手部と、よりなる目玉
継手において、 前記目玉部は前記横穴の開口する端面に該開口と同軸的
なリング状凹部をもち、前記パイプ部の一端は該リング
状凹部に嵌挿され該リング状凹部の内壁面で前記パイプ
部の径方向に挟持されることにより、前記目玉部と前記
パイプ部とが結合されていることを特徴とする目玉継手
(1) A vertical hole with a flow path inside through which a bolt is inserted, a ring-shaped groove formed on the inner circumferential surface of the vertical hole, and an axial direction that intersects the vertical hole and communicates the groove with the outside. a lateral hole that communicates the flow path with the outside via the groove; a pipe portion having one end integrally connected to the lateral hole so that the center hole communicates with the lateral hole; and a joint part connected to the other end of the pipe part, the eye part having a ring-shaped recess coaxial with the opening on the end surface where the horizontal hole opens, and one end of the pipe part having a ring-shaped recess coaxial with the opening. The eye joint is characterized in that the eye joint is fitted into a ring-shaped recess and held between the inner wall surface of the ring-shaped recess in the radial direction of the pipe portion, thereby coupling the eye portion and the pipe portion.
JP2290273A 1990-10-25 1990-10-25 Eye joint Pending JPH04165188A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2290273A JPH04165188A (en) 1990-10-25 1990-10-25 Eye joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2290273A JPH04165188A (en) 1990-10-25 1990-10-25 Eye joint

Publications (1)

Publication Number Publication Date
JPH04165188A true JPH04165188A (en) 1992-06-10

Family

ID=17754006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2290273A Pending JPH04165188A (en) 1990-10-25 1990-10-25 Eye joint

Country Status (1)

Country Link
JP (1) JPH04165188A (en)

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