JPH0953777A - Hose connecting port metal fitting - Google Patents
Hose connecting port metal fittingInfo
- Publication number
- JPH0953777A JPH0953777A JP7208014A JP20801495A JPH0953777A JP H0953777 A JPH0953777 A JP H0953777A JP 7208014 A JP7208014 A JP 7208014A JP 20801495 A JP20801495 A JP 20801495A JP H0953777 A JPH0953777 A JP H0953777A
- Authority
- JP
- Japan
- Prior art keywords
- hose
- fitting
- connection
- inner cylinder
- cylinder part
- 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
Landscapes
- Joints That Cut Off Fluids, And Hose Joints (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、例えばガソリン、
軽油、灯油、その他の給油ホースの接続用として使用さ
れるホース接続口金具に関するものである。TECHNICAL FIELD The present invention relates to, for example, gasoline,
The present invention relates to a hose connection fitting used for connecting light oil, kerosene, and other refueling hoses.
【０００２】[0002]
【従来の技術】従来、上記のごときホース接続口金具と
しては、実開平２−１１６０９４の給油ホースの接続具
に関する考案のように、耐久性を高く維持したまま給油
の流量を低下させないようにすることを目的とする図４
及び図５に示すものがあり、接続具１０に対して連結及
び離脱可能な接続口金部１と、ホース５を加締め固定保
持する外筒部２及び内筒部３とから構成されている。2. Description of the Related Art Conventionally, as a hose connection fitting such as the one described above, unlike a device relating to a connecting hose for an oil supply hose of Japanese Utility Model Laid-Open No. 2-116094, the flow rate of oil supply is not reduced while maintaining high durability. Figure 4 for the purpose
5 and includes a connection mouth ring portion 1 that can be connected to and disconnected from the connection tool 10, and an outer cylinder portion 2 and an inner cylinder portion 3 for crimping and holding the hose 5.
【０００３】すなわち、図４の状態でホース５の端部を
内筒部３の外周面と外筒部２の内周面との間に挿着した
後、図５の状態のごとく内筒部３の内径をホース５の内
径とほぼ同径にするように、図示しないマンドレルなど
の拡径具を内筒部３内に挿入して拡径変形させ、接続口
金具１の内径と内筒部３の内径とをホース５の内径とほ
ぼ同じ径にすることにより、ホース５内を流通する流体
の抵抗を軽減するようにしている。That is, after the end portion of the hose 5 is inserted between the outer peripheral surface of the inner cylindrical portion 3 and the inner peripheral surface of the outer cylindrical portion 2 in the state of FIG. 4, the inner cylindrical portion is in the state of FIG. In order to make the inner diameter of 3 substantially the same as the inner diameter of the hose 5, a diameter-expanding tool such as a mandrel (not shown) is inserted into the inner cylindrical portion 3 to be deformed so that the inner diameter of the connection port fitting 1 and the inner cylindrical portion are increased. By making the inner diameter of 3 and the inner diameter of the hose 5 substantially the same, the resistance of the fluid flowing through the hose 5 is reduced.
【０００４】また、特開平２−１５９４９２のホース口
金具に関する発明においても、図６に示す接続口金部１
と、ホース５を固定保持する外筒部２及び内筒部３とか
らなるホース口金具の内筒部３をその全長にわたり図７
のごとく拡径工具を挿入して拡径することで、前記の考
案と同様に給油時の流量を低下させないようにしてい
る。Further, in the invention relating to the hose mouth fitting disclosed in JP-A-2-159492, the connection mouthpiece portion 1 shown in FIG.
And the inner tubular portion 3 of the hose fitting including the outer tubular portion 2 and the inner tubular portion 3 which hold and hold the hose 5 over its entire length.
As in the above-mentioned invention, the flow rate at the time of refueling is not reduced by inserting a diameter expansion tool and expanding the diameter.
【０００５】しかしながら、上記の考案及び発明におい
て、内筒部３は外筒部２とは異材質の別体の部品となっ
ており、そのため内筒部３と外筒部２とは、それぞれロ
ー付け７により結合したり、シール材をねじ部８に塗布
して螺合結着し、次いで内筒部３の内径側を拡管し、ゴ
ムなどで形成されているホース５を外筒部２と内筒部３
との間に挿入して固定保持している。However, in the above invention and invention, the inner tubular portion 3 is a separate component made of a material different from that of the outer tubular portion 2, so that the inner tubular portion 3 and the outer tubular portion 2 are respectively made of a low material. The connection is made by attachment 7, or a sealing material is applied to the threaded portion 8 and screwed together, and then the inner diameter side of the inner cylindrical portion 3 is expanded, and the hose 5 made of rubber or the like is connected to the outer cylindrical portion 2. Inner tube part 3
It is inserted between and fixedly held.
【０００６】そのため、内筒部３の組み付けに際して
は、ロー付け７の不良や、ねじ部８へのシール材の塗布
不良により、内部流体の外部への漏洩をまねくことがあ
るので、事前に内筒部３の組み付け部のシール性を確認
する必要があり、作業工数を必要とし、かつ作業効率が
悪いなどの問題点があった。Therefore, when the inner cylinder portion 3 is assembled, internal fluid may leak to the outside due to defective brazing 7 or defective application of the sealing material to the screw portion 8. It is necessary to confirm the sealing property of the assembled portion of the tubular portion 3, which requires a lot of man-hours for working, and there is a problem that working efficiency is poor.
【０００７】[0007]
【発明が解決しようとする課題】本発明は、前記従来の
問題点を解決するためになされたものであり、接続口金
部と内筒部とを一体に形成することにより、従来問題と
なっていたシール性及び組み付け作業の改善をはかりう
るホース接続口金具を提供することを目的としている。SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems of the prior art, and it has been a conventional problem by integrally forming the connection mouthpiece portion and the inner cylinder portion. It is an object of the present invention to provide a hose connection fitting capable of improving the sealing property and the assembling work.
【０００８】[0008]
【課題を解決するための手段】上記の目的を達成するた
め、本発明のホース接続口金具は、接続口金部と、ホー
スを加締め固定保持する外筒部及び内筒部とからなるホ
ース接続口金具において、接続口金部と内筒部とを一体
に形成すると共に、外筒部の端部を内筒部に対し螺着ま
たは加締めにより結着することを特徴としている。In order to achieve the above object, a hose connection port fitting of the present invention is a hose connection consisting of a connection mouthpiece part, and an outer cylinder part and an inner cylinder part for crimping and holding a hose. The mouthpiece is characterized in that the connection mouthpiece portion and the inner tubular portion are integrally formed, and the end portion of the outer tubular portion is screwed or caulked to the inner tubular portion.
【０００９】上記の構成からなるホース接続口金具によ
れば、接続口金部と内筒部とは一体で、従来のようにロ
ー付けや螺合結着部がないので内部流体の外部への漏洩
のおそれがない。According to the hose connection port fitting having the above-mentioned structure, the connection mouth portion and the inner tube portion are integrated, and there is no brazing or screw connection as in the prior art, so that the internal fluid leaks to the outside. There is no fear of
【００１０】[0010]
【発明の実施の形態】以下図面を参照して本発明の実施
例を説明するが、図１はその一実施例に係るホース接続
口金具の部分断面で示す側面図である。まず、このホー
ス接続口金具は、接続口金部１と、ゴム製のホース５を
加締め固定保持する外筒部２及び内筒部３とから構成さ
れている。BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a side view showing a partial cross section of a hose connection fitting according to the embodiment. First, the hose connection port fitting is composed of a connection mouth ring portion 1, and an outer tubular portion 2 and an inner tubular portion 3 for crimping and holding a rubber hose 5.
【００１１】次に、上記接続口金部１と内筒部た３とを
製造段階で一体に形成すると共に、外筒部２の端部を内
筒部３に対し、図示せるごとく外筒部２端部に設けた雌
ねじ２０と内筒部３に設けた雄ねじ３０とを螺着するこ
とにより結着している。なお、上記外筒部２の内筒部３
に対する結着の手段は、上記実施例のごとき螺着でもよ
いが、外筒部２の端部をその外周部より八方締め機など
で内筒部３に対して加締めし、これによりホース５を固
定保持することでもよい。Next, the connection mouthpiece portion 1 and the inner tubular portion 3 are integrally formed at the manufacturing stage, and the end portion of the outer tubular portion 2 is attached to the inner tubular portion 3 as shown in the figure. The female screw 20 provided on the end portion and the male screw 30 provided on the inner cylindrical portion 3 are screwed together to be connected. The inner cylindrical portion 3 of the outer cylindrical portion 2 is
Although the means for binding to the inner cylindrical portion 3 may be screwed as in the above embodiment, the end portion of the outer cylindrical portion 2 is caulked from the outer peripheral portion thereof to the inner cylindrical portion 3 by an eight-way clamping machine or the like, whereby the hose 5 May be fixedly held.
【００１２】なお、図２は図１の状態の内筒部３と外筒
部２との間にゴム製のホース５の端部を挿入した状態を
示し、図３は図２の状態で内筒部３の内径側を拡管マン
ドレルなどで拡径し、内筒部３の外周部にはゴム製のホ
ース５の内周面が締め込まれ、内部の流体が外部へ漏洩
しないようにしてあるホース５の端部を固定保持すると
共に、接続口金部１、内筒部３の各内径をホース５の内
径とほぼ同じにして内部の流体の流量を低下させないよ
うにしている。2 shows a state in which the end portion of the rubber hose 5 is inserted between the inner tubular portion 3 and the outer tubular portion 2 in the state of FIG. 1, and FIG. The inner diameter side of the cylindrical portion 3 is expanded by a pipe expanding mandrel or the like, and the inner peripheral surface of the rubber hose 5 is fastened to the outer peripheral portion of the inner cylindrical portion 3 so that the fluid inside does not leak to the outside. The end portion of the hose 5 is fixed and held, and the inner diameters of the connection mouth ring portion 1 and the inner tubular portion 3 are made substantially the same as the inner diameter of the hose 5 so that the flow rate of the internal fluid is not reduced.
【００１３】[0013]
【発明の効果】以上に説明したごとく、本発明のホース
接続口金具によれば、接続口金部と内筒部とはロー付け
や螺合結着部がないため、即ち、一体に形成したたため
に従来例のごとく事前に内筒部のシール性を確認する必
要がなく、かつロー付け後の洗浄や、ロー付け材、シー
ル材が不要となり、それだけシール性及び組み付けの作
業性を改善することができる。従って、本発明のホース
接続口金具では、作業工数の低減と安定したシール性を
確保することができる。As described above, according to the hose connection port fitting of the present invention, there is no brazing or screw connection between the connection mouthpiece part and the inner cylinder part, that is, they are integrally formed. Unlike the conventional example, it is not necessary to check the sealability of the inner cylinder in advance, and cleaning after brazing, brazing material, and sealing material are not necessary, and the sealing performance and workability of assembly are improved accordingly. You can Therefore, with the hose connection fitting of the present invention, it is possible to reduce the number of work steps and ensure stable sealing performance.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明の一実施例に係るホース接続口金具の部
分断面で示す側面図である。FIG. 1 is a side view showing a partial cross section of a hose connection fitting according to an embodiment of the present invention.
【図２】図１の状態で、ホースの端部を挿入した状態の
部分断面で示す側面図である。FIG. 2 is a side view showing a partial cross section of the state of FIG. 1 with the end of the hose inserted.
【図３】図２の状態で、内筒部を拡径した状態の部分断
面で示す側面図である。FIG. 3 is a side view showing a partial cross-section in a state where the diameter of the inner cylinder portion is expanded in the state of FIG.
【図４】従来例におけるホース接続口金具のホース挿入
前の状態の側断面図である。FIG. 4 is a side sectional view of a conventional hose connection fitting before insertion of a hose.
【図５】図４の状態で、ホースの端部を挿入し、内筒部
を拡径した状態の側断面図である。FIG. 5 is a side cross-sectional view showing a state in which the end portion of the hose is inserted and the inner cylinder portion is expanded in the state of FIG.
【図６】他の従来例におけるホース口金具のホースを挿
入した状態の側断面図である。FIG. 6 is a side sectional view showing a state in which a hose of a hose fitting of another conventional example is inserted.
【図７】図６の内筒部を拡径した状態の側断面図であ
る。FIG. 7 is a side cross-sectional view showing a state where the inner cylinder portion of FIG. 6 is expanded in diameter.
１ 接続口金部 ２ 外筒部 ３ 内筒部 ５ ホース 1 Connection mouth part 2 Outer cylinder part 3 Inner cylinder part 5 Hose
Claims (1)
する外筒部及び内筒部とからなるホース接続口金具にお
いて、接続口金部と内筒部とを一体に形成すると共に、
外筒部の端部を内筒部に対し螺着または加締めにより結
着したホース接続口金具。1. A hose connection mouth fitting comprising a connection mouthpiece part, an outer cylinder part for crimping and holding a hose, and an inner cylinder part, wherein the connection mouthpiece part and the inner cylinder part are integrally formed, and
A hose connection fitting that connects the end of the outer cylinder to the inner cylinder by screwing or caulking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7208014A JPH0953777A (en) | 1995-08-15 | 1995-08-15 | Hose connecting port metal fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7208014A JPH0953777A (en) | 1995-08-15 | 1995-08-15 | Hose connecting port metal fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0953777A true JPH0953777A (en) | 1997-02-25 |
Family
ID=16549253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7208014A Pending JPH0953777A (en) | 1995-08-15 | 1995-08-15 | Hose connecting port metal fitting |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0953777A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008101666A (en) * | 2006-10-18 | 2008-05-01 | Bridgestone Flowtech Corp | Joint and hose tightening and fixing method |
| JP2009257589A (en) * | 2008-04-18 | 2009-11-05 | Eaton Fluid Power Gmbh | Hose connection method and connection structure |
| JP2011208659A (en) * | 2010-03-29 | 2011-10-20 | Aoi:Kk | Elbow joint |
-
1995
- 1995-08-15 JP JP7208014A patent/JPH0953777A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008101666A (en) * | 2006-10-18 | 2008-05-01 | Bridgestone Flowtech Corp | Joint and hose tightening and fixing method |
| JP2009257589A (en) * | 2008-04-18 | 2009-11-05 | Eaton Fluid Power Gmbh | Hose connection method and connection structure |
| JP2011208659A (en) * | 2010-03-29 | 2011-10-20 | Aoi:Kk | Elbow joint |
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