JPH04341688A - Eye-ball joint - Google Patents
Eye-ball jointInfo
- Publication number
- JPH04341688A JPH04341688A JP3112788A JP11278891A JPH04341688A JP H04341688 A JPH04341688 A JP H04341688A JP 3112788 A JP3112788 A JP 3112788A JP 11278891 A JP11278891 A JP 11278891A JP H04341688 A JPH04341688 A JP H04341688A
- Authority
- JP
- Japan
- Prior art keywords
- eye
- hole
- horizontal hole
- pipe
- ring
- 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
Links
- 210000005252 bulbus oculi Anatomy 0.000 title abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000005219 brazing Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 5
- 210000001508 eye Anatomy 0.000 description 20
- 238000007789 sealing Methods 0.000 description 10
- 210000002445 nipple Anatomy 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000005304 joining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 238000004018 waxing Methods 0.000 description 1
Landscapes
- Branch Pipes, Bends, And The Like (AREA)
- Joints Allowing Movement (AREA)
Abstract
Description
【０００１】0001
【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。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint for use in fuel passages of automobiles.
【０００２】0002
【従来の技術】図４に従来用いられている目玉継手の断
面図を示す。この目玉継手は、目玉部１００と、パイプ
部２００と、ニップル３００及びスリーブ４００とから
構成されている。目玉部１００はリング状をなし、縦穴
１０１と、縦穴１０１の内周表面に形成されたリング状
の溝部１０２と、軸方向が縦穴１０１と交差し溝部１０
２と外部とを連通することで溝部１０２を介して外部と
流路とを連通する横穴１０３とが形成されている。2. Description of the Related Art FIG. 4 shows a cross-sectional view of a conventionally used eye joint. This eye joint is composed of an eye part 100, a pipe part 200, a nipple 300, and a sleeve 400. The eyepiece 100 has a ring shape, and includes a vertical hole 101, a ring-shaped groove 102 formed on the inner peripheral surface of the vertical hole 101, and a groove 10 whose axial direction intersects with the vertical hole 101.
A horizontal hole 103 is formed which communicates the outside and the flow path via the groove portion 102 by communicating between the outside and the outside.
【０００３】パイプ部２００は、中心穴が横穴１０３と
連通するように、一端が目玉部１００とロウ着け部２０
１により一体的に結合されている（実開昭４８−９０２
１４号公報等参照）。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がロウ着け
部２０２により固定され、係止溝３０１にスリーブ４０
０が係止されている。このニップル３００とスリーブ４
００とで継手部が構成されている。The pipe portion 200 has one end connected to the eyepiece portion 100 and the brazed portion 20 so that the center hole communicates with the side hole 103.
1 (Utility Model Application No. 48-902)
(See Publication No. 14, etc.) A nipple 300 having a locking groove 301 on the outer surface is fixed to the other end of the pipe portion 200 by a brazing portion 202, and a sleeve 40 is attached to the locking groove 301.
0 is locked. This nipple 300 and sleeve 4
00 constitutes a joint part.
【０００４】この目玉継手では、ニップル３００がホー
スに挿入され、スリーブ４００を縮径させることにより
ホースとニップル３００及びスリーブが一体的に結合さ
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、その
ボルト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。そしてホース内
の流体は、ニップル３００及びパイプ部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
れた流路を通じて被取付部の流路を流れて、所定の部位
に運ばれる。[0004] In this joint, the nipple 300 is inserted into the hose, and the sleeve 400 is reduced in diameter to integrally connect the hose, the nipple 300, and the sleeve. In addition, a bolt with a flow path inside is inserted into the vertical hole 101 of the eyepiece 100 through a copper washer, etc., and by screwing the bolt into the attached part having the flow path,
The eyeball part 100 is coupled to the attached part. The fluid in the hose passes through the nipple 300 and the pipe part 200, flows from the side hole 103 through the groove part 102, and flows through the flow path of the attached part through the flow path formed in the bolt, and is carried to a predetermined location. .
【０００５】[0005]
【発明が解決しようとする課題】従来の目玉継手では、
上記したように目玉部とパイプ部とは一般にロウ着けに
より接合されている。ところがロウ着けによる接合は、
工数が多大であるばかりか、目視だけでシール性の良否
を検査することは困難である。またロウ着け時には約１
０００℃もの高温下に置かれるため、母材金属の強度が
低下するという問題も生じる。[Problem to be solved by the invention] In the conventional eye joint,
As mentioned above, the eyeball part and the pipe part are generally joined by brazing. However, joining by brazing,
Not only does it require a large amount of man-hours, but it is also difficult to inspect the quality of the sealing property just by visual inspection. Also, when waxing is applied, approximately 1
Since it is placed under a high temperature of as high as 1,000°C, there is also the problem that the strength of the base metal decreases.
【０００６】これらの理由により、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、ロウ着け後の
検査工数が多大となっていた。本発明はこのような事情
に鑑みてなされたものであり、ロウ着け工程を廃止して
製造時の工数を低減するとともに母材の強度低下を防止
し、シール性の信頼性を向上させることを目的とする。[0006] For these reasons, in the case of parts such as eye joints that require high sealing performance, the number of man-hours required for inspection after brazing is large. The present invention has been made in view of these circumstances, and aims to eliminate the brazing process, reduce the number of man-hours during manufacturing, prevent a decrease in the strength of the base material, and improve the reliability of sealing performance. purpose.
【０００７】[0007]
【課題を解決するための手段】上記課題を解決する本発
明の目玉継手は、流路を内部にもつボルトが挿通される
縦穴と軸方向が縦穴と交差する横穴とをもつ目玉部と、
中心穴が横穴と連通するように一端が目玉部と一体的に
結合されたパイプ部と、からなる目玉継手であって、目
玉部は横穴の内周面に横穴の周方向に延びるリング溝を
もち、パイプ部は横穴に挿入され外周面がリング溝に配
置されたＯリングに密接するとともに、パイプ部は横穴
の両側開口から出た位置で拡径されて形成された一対の
拡径部をもち一対の拡径部が横穴の両側で目玉部を挟持
して目玉部に一体的に保持固定されていることを特徴と
する。[Means for Solving the Problems] The eye joint of the present invention which solves the above problems has an eye portion having a vertical hole into which a bolt having a flow path is inserted, and a horizontal hole whose axial direction intersects with the vertical hole;
A center hole joint consisting of a pipe portion whose one end is integrally connected to a center hole so that the center hole communicates with a side hole, and the center hole has a ring groove extending in the circumferential direction of the side hole on the inner peripheral surface of the side hole. The pipe part is inserted into the side hole so that the outer peripheral surface comes into close contact with the O-ring arranged in the ring groove, and the pipe part has a pair of enlarged diameter parts formed by expanding the diameter at positions where the pipe part exits from both side openings of the side hole. A pair of enlarged diameter parts of the rice cake are integrally held and fixed to the eyeball part by sandwiching the eyeball part on both sides of the horizontal hole.
【０００８】[0008]
【作用】本発明の目玉継手を製造するには、先ず縦穴、
横穴及びリング溝を形成した目玉部を用意する。次にリ
ング溝内にＯリングを配置し、横穴内にパイプ部を挿入
する。このときパイプ部の外径をＯリングの内径以上に
構成することにより、パイプ部はＯリングと密接し高い
シール性が得られる。[Operation] To manufacture the eye joint of the present invention, first, a vertical hole,
Prepare an eyepiece part with a horizontal hole and a ring groove. Next, place the O-ring in the ring groove and insert the pipe part into the side hole. At this time, by configuring the outer diameter of the pipe portion to be larger than the inner diameter of the O-ring, the pipe portion is brought into close contact with the O-ring, and high sealing performance can be obtained.
【０００９】次にパイプ部が横穴の両側に突出した状態
で、横穴の両側でパイプ部をそれぞれ拡径して拡径部を
形成する。この一対の拡径部が横穴の両側で目玉部を挟
持するため、パイプ部の目玉部に対する横穴の軸方向の
相対移動が防止される。Next, with the pipe portions protruding from both sides of the horizontal hole, the diameters of the pipe portions are expanded on both sides of the horizontal hole to form expanded diameter portions. Since the pair of enlarged diameter portions sandwich the eye portion on both sides of the horizontal hole, relative movement of the horizontal hole in the axial direction with respect to the eye portion of the pipe portion is prevented.
【００１０】0010
【発明の効果】従来はロウ着け部だけでシール性と結合
強度の両方の機能をもたせていたのに対し、本発明の目
玉継手ではＯリングでシール性を確保し、拡径部で一体
的に結合している。このように機能を分担することによ
り、ロウ着けを不要とすることができる。したがって製
造工数及び検査工数が低減されるとともに母材強度の低
下が防止され、かつシール性の信頼性が向上する。そし
て形状精度も大まかでよく、各部品の切削加工などの工
数を低減でき材料ロスも低減することができる。さらに
パイプ部などを種々のホース継手の共通部品とすること
ができ、生産管理が容易となる。[Effects of the Invention] Conventionally, only the brazed part had the functions of both sealing performance and bonding strength, but in the eye joint of the present invention, sealing performance is ensured with the O-ring, and the expanded diameter part is integrated. is combined with By sharing the functions in this way, it is possible to eliminate the need for soldering. Therefore, manufacturing man-hours and inspection man-hours are reduced, a decrease in the strength of the base material is prevented, and the reliability of sealing performance is improved. In addition, the shape accuracy can be approximated, and the number of man-hours required for cutting each part can be reduced, and material loss can also be reduced. Furthermore, the pipe portion and the like can be used as common parts for various hose joints, making production management easier.
【００１１】[0011]
【実施例】以下、実施例により具体的に説明する。図１
に本発明の一実施例の目玉継手の断面図を、図２にこの
目玉継手の締結前の状態の断面図を示す。この目玉継手
は、目玉部１と、パイプ部２とから構成される。[Examples] Hereinafter, the present invention will be explained in detail using examples. Figure 1
2 shows a sectional view of an eye joint according to an embodiment of the present invention, and FIG. 2 shows a sectional view of the eye joint in a state before it is fastened. This eye joint is composed of an eye part 1 and a pipe part 2.
【００１２】目玉部１は、軸方向に貫通しボルトが挿通
される縦穴１０と、縦穴１０の内周表面に形成されたリ
ング状の溝部１１と、縦穴１０の軸方向と直交する軸を
もち溝部１１と外部とを連通する横穴１２と、横穴１２
の内周表面に形成されたリング溝１３と、横穴１２を含
み横穴１２と同軸的に延びた筒部１４とから構成されて
いる。The eyepiece portion 1 has a vertical hole 10 that penetrates in the axial direction and into which a bolt is inserted, a ring-shaped groove 11 formed on the inner circumferential surface of the vertical hole 10, and an axis perpendicular to the axial direction of the vertical hole 10. A horizontal hole 12 that communicates between the groove portion 11 and the outside, and a horizontal hole 12
It is composed of a ring groove 13 formed on the inner circumferential surface of the cylinder, and a cylindrical part 14 that includes the horizontal hole 12 and extends coaxially with the horizontal hole 12.
【００１３】パイプ部２は、横穴１２に挿入され溝部１
１内に位置する先端に漏斗状に拡径された第１拡径部２
０をもつ。また筒部１４の端部の位置に膨出した第２拡
径部２１が形成されている。この第１拡径部２０と第２
拡径部２１により、パイプ部２の横穴１２内での軸方向
の相対移動が規制され、パイプ部２は目玉部１に保持さ
れている。The pipe portion 2 is inserted into the side hole 12 and the groove portion 1
A first enlarged diameter part 2 whose diameter is enlarged in a funnel shape at the tip located within 1.
Has 0. Further, a bulging second enlarged diameter portion 21 is formed at the end of the cylindrical portion 14 . This first enlarged diameter portion 20 and the second
The enlarged diameter portion 21 restricts the relative movement of the pipe portion 2 in the axial direction within the horizontal hole 12, and the pipe portion 2 is held in the eyelet portion 1.
【００１４】そしてリング溝１３内にはＯリング３が配
置され、目玉部１とパイプ部２に密接してシールしてい
る。この目玉継手を形成するには、まずリング溝１３内
にＯリング３を配置し、図２に示すように横穴１２にパ
イプ部２を挿入する。このときパイプ部２の外周表面が
Ｏリング３を圧縮し、目玉部１とパイプ部２のシール性
が確保される。[0014] An O-ring 3 is disposed within the ring groove 13, and closely seals the eye portion 1 and the pipe portion 2. To form this joint, the O-ring 3 is first placed in the ring groove 13, and the pipe portion 2 is inserted into the side hole 12 as shown in FIG. At this time, the outer peripheral surface of the pipe portion 2 compresses the O-ring 3, and the sealing performance between the eyeball portion 1 and the pipe portion 2 is ensured.
【００１５】次に図３に示すように、治具４を縦穴１０
から挿入しパイプ部２先端を漏斗状に拡径して第１拡径
部２０を形成する。それに続いて、あるいはそれと同時
に、ダイス５を用いてパイプ部２の中間部を膨出させ、
第２拡径部２１を形成する。そして治具４とダイス５を
用いてパイプ部２を軸方向に押圧し、第１拡径部２０と
第２拡径部２１をそれぞれ横穴１２の両端の端面壁部に
押圧する。これにより第１拡径部２０と第２拡径部２１
とは横穴１２の両端で目玉部１を挟持し、パイプ部２は
軸方向の相対移動が規制された状態で目玉部１に保持さ
れる。Next, as shown in FIG. 3, the jig 4 is inserted into the vertical hole 10.
The first enlarged diameter portion 20 is formed by inserting the pipe portion 2 from above and expanding the diameter of the tip of the pipe portion 2 into a funnel shape. Subsequently, or at the same time, the middle part of the pipe part 2 is bulged using the die 5,
A second enlarged diameter portion 21 is formed. Then, the pipe portion 2 is pressed in the axial direction using the jig 4 and the die 5, and the first expanded diameter portion 20 and the second expanded diameter portion 21 are pressed against the end wall portions at both ends of the horizontal hole 12, respectively. As a result, the first enlarged diameter section 20 and the second enlarged diameter section 21
The eyepiece part 1 is held between both ends of the horizontal hole 12, and the pipe part 2 is held by the eyepiece part 1 in a state where relative movement in the axial direction is restricted.
【００１６】したがって、本実施例の目玉継手によれば
、ロウ着けによる接合が無いので工数を低減でき母材の
強度低下を防止できる。また高いシール性が確実に得ら
れるのでシール性の検査工数を低減することができる。Therefore, according to the featured joint of this embodiment, since there is no joining by brazing, the number of man-hours can be reduced and a decrease in the strength of the base material can be prevented. Furthermore, since high sealing performance can be reliably obtained, the number of steps required for sealing performance inspection can be reduced.
【図１】本発明の一実施例の目玉継手の断面図である。FIG. 1 is a sectional view of an eye joint according to an embodiment of the present invention.
【図２】本発明の一実施例の目玉継手の締結前の状態の
断面図である。FIG. 2 is a sectional view of an eye joint according to an embodiment of the present invention in a state before being fastened.
【図３】本発明の一実施例の目玉継手の締結方法を説明
する説明図である。FIG. 3 is an explanatory diagram illustrating a method of fastening an eye joint according to an embodiment of the present invention.
【図４】従来の目玉継手の断面図である。FIG. 4 is a sectional view of a conventional eye joint.
１：目玉部 ２：パイプ部
３：Ｏリング
１０：縦穴 １２：横穴
１３：リング溝 １４：筒部1: Eyeball part 2: Pipe part
3: O-ring 10: Vertical hole 12: Horizontal hole
13: Ring groove 14: Cylinder part
Claims (1)
縦穴と軸方向が該縦穴と交差する横穴とをもつ目玉部と
、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、からなる目玉継手であっ
て、該目玉部は該横穴の内周面に該横穴の周方向に延び
るリング溝をもち、該パイプ部は該横穴に挿入され外周
面が該リング溝に配置されたＯリングに密接するととも
に、該パイプ部は該横穴の両側開口から出た位置で拡径
されて形成された一対の拡径部をもち一対の該拡径部が
該横穴の両側で該目玉部を挟持して該目玉部に一体的に
保持固定されていることを特徴とする目玉継手。Claim 1: A center hole having a vertical hole into which a bolt is inserted, which has a flow path inside, and a horizontal hole whose axial direction intersects with the vertical hole, and one end of which has a center hole communicating with the horizontal hole. An eye joint consisting of an integrally coupled pipe part, the eye joint having a ring groove extending in the circumferential direction of the horizontal hole on the inner circumferential surface of the horizontal hole, and the pipe part being inserted into the horizontal hole. The outer peripheral surface is in close contact with the O-ring disposed in the ring groove, and the pipe portion has a pair of enlarged diameter portions formed by expanding the diameter at positions where the pipe portion exits from both side openings of the horizontal hole. The eye joint is characterized in that the eye joint is integrally held and fixed to the eye portion by sandwiching the eye portion on both sides of the horizontal hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3112788A JPH04341688A (en) | 1991-05-17 | 1991-05-17 | Eye-ball joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3112788A JPH04341688A (en) | 1991-05-17 | 1991-05-17 | Eye-ball joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04341688A true JPH04341688A (en) | 1992-11-27 |
Family
ID=14595530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3112788A Pending JPH04341688A (en) | 1991-05-17 | 1991-05-17 | Eye-ball joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04341688A (en) |
-
1991
- 1991-05-17 JP JP3112788A patent/JPH04341688A/en active Pending
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