JPH04165186A - Eye joint - Google Patents
Eye jointInfo
- Publication number
- JPH04165186A JPH04165186A JP2290271A JP29027190A JPH04165186A JP H04165186 A JPH04165186 A JP H04165186A JP 2290271 A JP2290271 A JP 2290271A JP 29027190 A JP29027190 A JP 29027190A JP H04165186 A JPH04165186 A JP H04165186A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- eye
- hole
- joint
- small diameter
- 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
- 210000002445 nipple Anatomy 0.000 abstract description 13
- 230000002093 peripheral effect Effects 0.000 abstract description 11
- 238000007789 sealing Methods 0.000 abstract description 6
- 210000001508 eye Anatomy 0.000 description 26
- 210000005252 bulbus oculi Anatomy 0.000 description 8
- 238000005219 brazing Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010011878 Deafness Diseases 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Landscapes
- Branch Pipes, Bends, And The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔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 [Field of Industrial Application] The present invention relates to an eye joint used in a fuel flow path of an automobile.
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ク状の溝部１０２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を介して夕１部と流路とを連通ず
る横穴１０３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.
A link-shaped groove 102 formed on the inner circumferential surface of 01;
A horizontal hole 103 is formed whose axial direction intersects with the vertical hole 101 and communicates the groove 102 with the outside, thereby communicating the lower part and the flow path via the groove 102.
パイプ部２００は、中心穴か横穴１０８と連通ずるよう
に、一端か目玉部１００とろうイ」け部２０１により一
体的に結合されている。The pipe part 200 is integrally connected at one end by the eyepiece part 100 and the hollow part 201 so as to communicate with the center hole or the side hole 108.
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かろう付は部２０２により固定さ
れ、係止溝３０１にスリーブ４００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 with a brazing part 202 is fixed, and a sleeve 400 is locked in a locking groove 301.
このニップル３００とスリ−ブ４ ｆ） ０とで継手部
が構成されている。This nipple 300 and the sleeve 4f)0 constitute a joint portion.
この１」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およびスリーブ４００か一体的に結合され
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
れた流路を通じて被取付部の流路に流入する。In this 1'' ball joint, the nipple 300 is inserted into the hose, and the sleeve 400 is reduced in diameter, thereby integrally connecting the hose, the nipple 300, and the sleeve 400. Further, 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 bolt is screwed into a part to be attached having a flow path, so that the eyepiece 100 is covered. Combined with the mounting part. The fluid in the hose passes through the nipple 300 and the pipe portion 200, and flows from the side hole 103 through the groove portion 102 into the flow path of the attached part through the flow path formed in the bolt.
このような目玉継手の製造方法としでは、従来より全体
を切削加工により形成されていた。しかし材料のロスが
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とで形成し、次いでろう付
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か採用されている。Conventionally, the manufacturing method for such eye joints has been to form the entire joint by cutting. However, since there is a lot of material loss 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 parts 201 and 202 are formed by brazing, and the whole is integrated. A method of fixing it is used.
ところがろう付けにより結合する方法は、ｌｊｌ視だけ
で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、「Ｉ視だ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。したか
って「１玉絹ミ手のように高いシ・−ル性を必要とする
部品の場合には、ろうイ」け後の検査］ユ数が多大とな
っていた。However, in the method of joining by brazing, it is difficult to inspect whether or not the parts are reliably brazed just by looking at the ljl. In addition, it is more difficult to inspect whether sealing performance has been achieved just by visual inspection. The number of patients tested after becoming deaf was large.
本発明はこのような事（１７に鑑みてなされたものてあ
り、Ｉ」玉継手のうち［＝１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 has been made in view of the above-mentioned problems (17), and aims to connect the ball part and the pipe part of the ball joint without brazing, and to ensure high sealing performance. purpose.
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
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［」工部と、中心穴か該横穴と連通ずる
ように一端か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、
前記目玉部の横穴は内周面に保合凹部をもち、前記パイ
プ部の一端は前記横穴に挿入され拡径されて外周面が該
係合凹部と係合されることにより、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 ring-shaped groove formed on the inner circumferential surface of the vertical hole, and an axial direction intersecting the vertical hole and connecting the groove to the outside. a horizontal hole that communicates the flow path with the outside via the groove, and a center hole that communicates with the horizontal hole, one end of which is integrally connected to the center 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 horizontal hole of the eyeball portion has a retaining recess on the inner peripheral surface, and one end of the pipe portion is inserted into the horizontal hole and expanded in diameter, and the outer peripheral surface is engaged with the engagement recess, thereby engaging the eyeball portion. It is characterized in that the pipe portion is connected to the pipe portion.
本発明の目玉継手は、パイプ部の一端が内周面に係合凹
部をもつ横穴に挿入され、パイプ部の外周面と横穴の内
周面の係合凹部とが確実に係合するように、パイプ部の
一端が塑性変形して拡径されることにより、目玉部とパ
イプ部とが結合されている。このため、係合凹部の内周
面とパイプ部の外周面とが互いに圧接され、目玉部とパ
イプ部どけ高いシール性を確保して確実に結合される。In the eye joint of the present invention, one end of the pipe part is inserted into a horizontal hole having an engaging recess on the inner peripheral surface, and the outer peripheral surface of the pipe part and the engaging recess on the inner peripheral surface of the horizontal hole are surely engaged. , one end of the pipe portion is plastically deformed and expanded in diameter, thereby joining the eyeball portion and the pipe portion. Therefore, the inner circumferential surface of the engagement recess and the outer circumferential surface of the pipe portion are pressed against each other, and the eyeball portion and the pipe portion 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］−数の低減を図ることが
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 inspections can be reduced.
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１２と、軸方向が縦穴１１と交差し溝部１２と外部と
を連通ずる横穴１３とが形成されている。そして、−Ｊ
−２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 lateral hole 13. And -J
-2 A neck portion 14 having a circular outer circumferential surface and having a part of the horizontal hole 13 on the inner circumferential surface is integrally formed and protrudes from the side of the eyeball portion 1.
この首部１４部分の横穴１３の内周面には、断面三角形
状の環状の係合凹部１５か軸方向に４条連続して形成さ
れている。On the inner peripheral surface of the horizontal hole 13 in the neck portion 14, four annular engagement recesses 15 each having a triangular cross section are formed in succession in the axial direction.
パイプ部２は一端側に径小部２１をもち、中心穴が横穴
１３と連通ずるように、径小部２１が目玉部１の首部１
４に一体的に結合されている。The pipe part 2 has a small diameter part 21 on one end side, and the small diameter part 21 connects to the neck part 1 of the eyepiece part 1 so that the center hole communicates with the horizontal hole 13.
4 is integrally connected.
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３がろう付１３部３２によりＬｉＩＩＪ定さオ
ー見、係止溝３１にスリーブ４か係止されている。At the other end of the pipe portion 2, a nipple 3 having a locking groove 31 on its outer surface is fixed to the LiIIJ by a soldered portion 32, and a sleeve 4 is locked in the locking groove 31.
、二のニップル３とスリーブ４とて継手部か構成されて
いる。, the second nipple 3 and the sleeve 4 constitute a joint part.
この］」玉継手では、ニップル３がホース（図示せず）
に挿入され、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およびスリーブ４が一体的に結合される。In this] ball joint, nipple 3 is connected to the hose (not shown).
The hose, the nipple 3, and the sleeve 4 are integrally connected by reducing the diameter of the sleeve 4.
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が挿通され
、そのボルト６が流路７１をもつ被取付部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
してホース内の流体は、ニップル３およびパイプ部２を
通過し、横穴Ｉ３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。Further, a bolt 6 having a bolt passage 61 inside is inserted into the vertical hole 11 of the eyepiece 1 via a copper washer 5.5, etc., and the bolt 6 is screwed into the attached part 7 having a passage 71. By doing so, the eyeball part 1 is combined with the attached part 7. The fluid in the hose passes through the nipple 3 and the pipe portion 2, and flows from the side hole I3 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［１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の径小部２１を横穴１３に挿入後、
パイプ部２の他端側から径小部２Ｉの内径より大きな外
径をもつ棒状部材９（第２−７ ＝
図）を径小部２１内に圧入して径小部２１を拡径させる
ことにより行われている。すなわち、パイプ部２の径小
部２１は係合凹部１５内に進入し、係合凹部１５と確実
に係合するように塑性変形させられている。このため、
係合凹部１５の内周面とパイプ部２の外周面とか互いに
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 one-ball joint of this embodiment, the eye part 1 and the pipe part 2 are connected by inserting the small diameter part 21 of the pipe part 2 into the side hole 13.
A rod-shaped member 9 (No. 2-7 = Figure) having an outer diameter larger than the inner diameter of the small-diameter portion 2I is press-fitted into the small-diameter portion 21 from the other end side of the pipe portion 2 to expand the diameter of the small-diameter portion 21. It is carried out by That is, the small diameter portion 21 of the pipe portion 2 enters the engagement recess 15 and is plastically deformed so as to reliably engage with the engagement recess 15. For this reason,
The inner circumferential surface of the engagement recess 15 and the outer circumferential surface of the pipe section 2 are pressed against each other, and the eyeball section 1 and the pipe section 2 are reliably connected with high sealing performance.
したかって、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］二数の低減を図るこ
とができる。Therefore, in the eye joint of this embodiment, brazing is not necessary for fixing the pipe portion 2, and the number of inspections can be reduced by two.
前記実施例の目玉継手では、目玉部１の側方から一体的
に突出する首部１４内の横穴１３に係合凹部１５を設け
た構成であったが、首部１４を設けずに目玉部１内の横
穴１３に係合凹部１５を形成した実施例の要部断面図を
第３図に示す。In the eye joint of the above embodiment, the engaging recess 15 was provided in the horizontal hole 13 in the neck part 14 that integrally projects from the side of the eye part 1; FIG. 3 shows a sectional view of a main part of an embodiment in which an engaging recess 15 is formed in the horizontal hole 13.
この実施例の目玉継手では、係合凹部１５が目玉部１の
横穴１３の開Ｏ端側に形成されている。In the eye joint of this embodiment, the engaging recess 15 is formed on the open O end side of the horizontal hole 13 of the eye portion 1.
また、この係合凹部１５とパイプ部２の径小部２１の外
周面との間には銅製のシールリング８が介在されている
。なお、このシールリングとしては銅などの軟質金属製
のほかにゴム製のものを用いることができる。Further, a seal ring 8 made of copper is interposed between the engagement recess 15 and the outer peripheral surface of the small diameter portion 21 of the pipe portion 2. It should be noted that this seal ring can be made of rubber as well as of soft metal such as copper.
本実施例の目玉継手は、上記シールリング８の働きによ
り、目玉部ｌとパイプ部２とのシール性が一層高まる。In the eye joint of this embodiment, the sealing performance between the eye portion l and the pipe portion 2 is further improved by the function of the seal ring 8.
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ける全体断面図
、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図は本発明のそ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・・
・係合凹部６１・・・流路1 and 2 relate to an eye joint according to an embodiment of the present invention, FIG. 1 is an overall cross-sectional view of the eye joint in a state of use, and FIG. 2 is a cross-sectional view of the eye joint and the pipe portion of the eye joint. FIG. 3 is a cross-sectional view illustrating a coupling method. 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 eye joint. 1 Eye part 2... Pipe part 6... Bolt 11... Vertical hole 12... Groove part
13... Side hole 14... Neck 15...
・Engagement recess 61...channel
Claims (1)
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、 前記目玉部の横穴は内周面に係合凹部をもち、前記パイ
プ部の一端は前記横穴に挿入され拡径されて外周面が該
係合凹部と係合されることにより、前記目玉部と前記パ
イプ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; A joint part coupled to the other end of the pipe part, and an eye joint comprising: a horizontal hole of the eye part has an engagement recess on an inner circumferential surface, and one end of the pipe part is inserted into the horizontal hole and expanded in diameter. The eye joint is characterized in that the eye portion and the pipe are connected by engaging the outer circumferential surface with the engagement recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2290271A JPH04165186A (en) | 1990-10-25 | 1990-10-25 | Eye joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2290271A JPH04165186A (en) | 1990-10-25 | 1990-10-25 | Eye joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04165186A true JPH04165186A (en) | 1992-06-10 |
Family
ID=17753977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2290271A Pending JPH04165186A (en) | 1990-10-25 | 1990-10-25 | Eye joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04165186A (en) |
-
1990
- 1990-10-25 JP JP2290271A patent/JPH04165186A/en active Pending
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