JP2534621B2 - Large diameter high pressure hose end seal structure - Google Patents
Large diameter high pressure hose end seal structureInfo
- Publication number
- JP2534621B2 JP2534621B2 JP5328800A JP32880093A JP2534621B2 JP 2534621 B2 JP2534621 B2 JP 2534621B2 JP 5328800 A JP5328800 A JP 5328800A JP 32880093 A JP32880093 A JP 32880093A JP 2534621 B2 JP2534621 B2 JP 2534621B2
- Authority
- JP
- Japan
- Prior art keywords
- seal
- hose
- hose body
- sealing
- pressure hose
- 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 - Lifetime
Links
Landscapes
- Joints That Cut Off Fluids, And Hose Joints (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、大口径高圧ホースの
端末部シール構造に係わり、更に詳しくはホースの端末
接続部におけるシールの信頼性を向上させた大口径高圧
ホースの端末部シール構造に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal seal structure for a large diameter high pressure hose, and more particularly to a terminal seal structure for a large diameter high pressure hose with improved reliability of the seal at the terminal connection portion of the hose. It is a thing.
【０００２】[0002]
【従来の技術】従来、内径が約60mm〜100 mm程度の大口
径高圧ホースのホース本体１の構造としては、例えば図
２に示すように、チューブゴム２とカバーゴム３との間
に、両端部をビードリング４の周りに折り返した補強コ
ード５を長手方向に埋設して構成し、このホース本体１
の両端部には、補強コード５の両端部を押さえる（拘束
する）成形フランジ６が一体的に設けられている。2. Description of the Related Art Conventionally, as a structure of a hose body 1 of a large diameter high pressure hose having an inner diameter of about 60 mm to 100 mm, for example, as shown in FIG. The hose body 1 is constructed by embedding a reinforcing cord 5 whose part is folded back around a bead ring 4 in the longitudinal direction.
Molded flanges 6 for pressing (constraining) both ends of the reinforcing cord 5 are integrally provided on both ends of the.
【０００３】ところで、上記のような大口径高圧ホース
は、狭いスペースの場所で使用されることが多いため
に、成形フランジ６の径を大きくすることが出来ない
が、接続フランジ部では、大口径高圧ホース内を流動す
る高圧流体のシール性を保つ必要がある。By the way, since the large-diameter high-pressure hose as described above is often used in a place of a narrow space, the diameter of the molding flange 6 cannot be increased, but the connecting flange portion has a large-diameter. It is necessary to maintain the sealing property of the high pressure fluid flowing in the high pressure hose.
【０００４】[0004]
【発明が解決しようとする問題点】然しながら、上記の
ような小径で、ホース本体１と一体的に形成された成形
フランジ６には、シール面を成形することが難しく、ホ
ース本体１のゴム当接面１ａのみにてシールを行ってい
たため、成形フランジ６の締付け時におけるずれや、当
接面の大きさ及び締付け力等によって、ホース本体１と
相手方フランジ６Ａとの隙間から高圧流体が流出するこ
とがあり、シール性が上記の種々の管理項目に大きく依
存すると言う問題があった。また、ホース本体１のシー
ル当接面１ａに、図２に示すようなシール突起７を一体
的に設けることも提案されているが、シール突起７が損
傷した場合には、大口径高圧ホース全体の使用が出来な
くなると言う問題があった。However, it is difficult to form a sealing surface on the molding flange 6 which is formed integrally with the hose body 1 and has a small diameter as described above. Since the sealing is performed only on the contact surface 1a, the high pressure fluid flows out from the gap between the hose body 1 and the mating flange 6A due to the displacement at the time of tightening the molding flange 6, the size of the contact surface and the tightening force. However, there is a problem in that the sealing property greatly depends on the above various control items. It has also been proposed to integrally provide a seal protrusion 7 as shown in FIG. 2 on the seal abutting surface 1a of the hose body 1. However, if the seal protrusion 7 is damaged, the entire large diameter high pressure hose There was a problem that you could not use.
【０００５】この発明は、かかる従来の課題に着目して
案出されたもので、ホース本体の端部に、シール部材を
設けたシール金具を埋設して一体的に成形することによ
り、ホース本体の端末部に於けるシール性の信頼性を高
めることが出来る大口径高圧ホースの端末部シール構造
を提供することを目的とするものである。The present invention has been devised in view of such conventional problems, and a hose body is formed by embedding a seal fitting provided with a seal member at the end of the hose body and integrally molding the hose body. It is an object of the present invention to provide a terminal portion sealing structure for a large diameter high pressure hose capable of enhancing the reliability of the sealing property at the terminal portion.
【０００６】[0006]
【課題を解決するための手段】この発明は上記目的を達
成するため、成形フランジの内側で、かつホース本体の
端部に、成形フランジの内側に形成した位置決め用凹部
に嵌合すると共に、ホース本体内に、同心的で、かつ一
体的に埋設されたシール金具を設け、このシール金具
は、前記ビードリングの内径側を包み込むように形成さ
れ、このシール金具のシール面にシール部材を設けたこ
とを要旨とするものである。In order to achieve the above object, the present invention fits inside a molding flange and at the end of a hose body into a positioning recess formed inside the molding flange , and Within the body, concentric and
A sealing metal fitting that is physically embedded is provided.
Is formed so as to wrap around the inner diameter side of the bead ring.
The gist of the invention is to provide a seal member on the sealing surface of the seal fitting.
【０００７】[0007]
【発明の作用】この発明は上記のように構成され、Ｏリ
ング等のシール部材を設けたシール金具をホース本体の
端部のシール面に埋設して一体的に成形することによ
り、シール金具の端末部から高圧流体の浸入や漏洩等が
発生せず、またシール金具は、成形フランジの内側に形
成した位置決め用凹部と嵌合して位置決めされることに
より、成形フランジ及びシール金具のシール部材は、同
心度を保つことが出来、常に精度の高い締付けが出来る
ことから、ホース本体の端末部の接続部におけるシール
性の信頼度を高めることが出来るものである。The present invention is constructed as described above, and a seal fitting provided with a seal member such as an O-ring is embedded in the sealing surface of the end of the hose body and integrally molded to form a seal fitting. No intrusion or leakage of high-pressure fluid from the terminal part occurs, and the sealing metal fitting is positioned by fitting with the positioning recess formed inside the molding flange. Since the concentricity can be maintained and the tightening can always be performed with high precision, the reliability of the sealing property at the connection portion of the terminal portion of the hose body can be increased.
【０００８】[0008]
【発明の実施例】以下、添付図面に基づき、この発明の
実施例を説明する。なお、従来例と同一構成要素は、同
一符号を付して説明は省略する。図１は、この発明を実
施した大口径高圧ホースの端末部の一部拡大断面図を示
し、１は大口径高圧ホースのホース本体１を示し、この
ホース本体１は、チューブゴム２とカバーゴム３との間
に、補強コード５を長手方向に埋設され、補強コード５
の両端末部は、ビードリング４の周りに折り返して埋設
されている。Embodiments of the present invention will be described below with reference to the accompanying drawings. The same components as those in the conventional example are designated by the same reference numerals and the description thereof will be omitted. FIG. 1 is a partially enlarged cross-sectional view of a terminal portion of a large-diameter high-pressure hose embodying the present invention, 1 shows a hose body 1 of a large-diameter high-pressure hose, and this hose body 1 includes a tube rubber 2 and a cover rubber. 3, the reinforcing cord 5 is embedded in the longitudinal direction,
Both end portions of are folded and embedded around the bead ring 4.
【０００９】また、ホース本体１の両端部には、補強コ
ード５の両端部を押さえる（拘束する）成形フランジ６
が一体的に設けられている。前記、ホース本体１の内部
には、Ｏリング等のシール部材８を端面凹部９に嵌合し
たシール金具１０が一体的に埋設され、後端側１０ｂ
は、チューブゴム２とカバーゴム３との間であって、前
記ビードリング４の内径側を包み込むように断面略Ｌ字
状に形成されて埋設され、加硫接着されている。またシ
ール金具１０の側面には、チューブゴム２等と接触面積
を大きくし、ホース本体１との結合力を高めるために、
複数のアリ溝状の凹凸部１０ｃが形成してあり、更にシ
ール金具１０の端面凹部９の下部には、端面１０ａより
若干外方向に突出したダストストッパー１１が形成され
ている。A molding flange 6 is provided on both ends of the hose body 1 to press (restrain) both ends of the reinforcing cord 5.
Are provided integrally. Inside the hose body 1, a seal fitting 10 in which a seal member 8 such as an O-ring is fitted in an end surface recess 9 is integrally embedded, and a rear end side 10b
Between the tube rubber 2 and the cover rubber 3 ,
The cross section is generally L-shaped so that the inner diameter side of the bead ring 4 is wrapped.
It is formed into a shape, embedded, and vulcanized and bonded. In addition, in order to increase the contact area with the tube rubber 2 and the like on the side surface of the seal fitting 10 and to enhance the coupling force with the hose body 1,
A plurality of dovetail groove-shaped concavo-convex portions 10c are formed, and a dust stopper 11 that protrudes slightly outward from the end surface 10a is formed in the lower portion of the end surface concave portion 9 of the seal fitting 10.
【００１０】このダストストッパー１１は、大口径高圧
ホース内を流動する高圧流体に含まれるゴミ等の異物が
シール当接面１ａに流出しないようにするためのもの
で、必ずしも設ける必要はない。前記、成形フランジ６
の内側には、シール金具１０の上端部が嵌合する位置決
め用凹部１２が形成され、組付けて一体的に加硫成形し
た際に、成形フランジ６とシール金具１０との同心が保
たれるように構成してある。The dust stopper 11 is for preventing foreign matters such as dust contained in the high-pressure fluid flowing in the large-diameter high-pressure hose from flowing out to the seal contact surface 1a, and is not necessarily provided. The molding flange 6
A positioning recess 12 into which the upper end of the seal metal fitting 10 is fitted is formed inside the, to maintain the concentricity of the molding flange 6 and the seal metal fitting 10 when assembled and integrally vulcanized and molded. It is configured as follows.
【００１１】上記のように構成される大口径高圧ホース
を成形する場合、チューブゴム２の上に補強コード５及
び円周方向の補強コード５ａとカバーゴム３とを積層
し、更に補強コード５の両端末部は、ビードリング４の
周りに折り返し、更にホース本体１の当接面１ａ側に、
成形フランジ６を固定すると共に、この成形フランジ６
の位置決め用凹部１２にシール金具１０の上端部を嵌合
させて固定する。このような状態で、加硫機内に入れて
加硫すると、ホース本体１と、成形フランジ６及びシー
ル金具１０とは、加硫接着により一体的に成形されるの
で、高圧流体がホース本体１と、成形フランジ６及びシ
ール金具１０との間から浸入することがなく、ホース本
体１の耐久性を高めることが出来るものである。When the large-diameter high-pressure hose constructed as described above is molded, the reinforcing cord 5 and the circumferential reinforcing cord 5a and the cover rubber 3 are laminated on the tube rubber 2, and the reinforcing cord 5 Both end portions are folded back around the bead ring 4, and further on the contact surface 1a side of the hose body 1,
The forming flange 6 is fixed and the forming flange 6 is fixed.
The upper end of the seal fitting 10 is fitted into the positioning recess 12 and fixed. When placed in a vulcanizer and vulcanized in such a state, the hose body 1, the molding flange 6 and the seal fitting 10 are integrally molded by vulcanization adhesion, so that high-pressure fluid is transferred to the hose body 1. The durability of the hose body 1 can be improved without intruding from between the molding flange 6 and the seal fitting 10.
【００１２】以上のように、この発明にかかる大口径高
圧ホースは、ホース本体１と成形フランジ６及びシール
金具１０とを、加硫成形により一体的に形成し、ホース
本体１のシール当接面１ａには、シール金具１０にＯリ
ング等のシール部材８が嵌合してあるため、大口径高圧
ホースの接続時には、シール当接面１ａ並びにシール部
材８が相手側の接続部材と密着してシールされるので、
成形フランジ６のボルト・ナット等による締付け力に影
響されることなく確実にシールすることが出来、また成
形フランジ６とシール金具１０とは同心的に位置決めさ
れるので、締付け時に成形フランジ６がずれるようなこ
ともなく、精度良く締付けてシール性を高めることが出
来るものである。As described above, in the large-diameter high-pressure hose according to the present invention, the hose body 1, the molding flange 6 and the seal fitting 10 are integrally formed by vulcanization molding, and the hose body 1 has a seal contact surface. Since a seal member 8 such as an O-ring is fitted to the seal fitting 10 at 1a, the seal abutment surface 1a and the seal member 8 come into close contact with the mating connecting member when a large-diameter high-pressure hose is connected. Because it will be sealed
The molded flange 6 can be reliably sealed without being affected by the tightening force of the bolts and nuts of the molded flange 6, and since the molded flange 6 and the seal fitting 10 are positioned concentrically, the molded flange 6 is displaced during tightening. Without this, it is possible to improve the sealing property by tightening with high accuracy.
【００１３】また、シール部材８が劣化したり、摩耗し
た場合には、特に大口径高圧ホースを交換することな
く、シール部材８のみを交換するだけで良い。更に、ダ
ストストッパー１１により、シール当接面１ａ側に異物
の浸入を防止出来るので、シール性能を更に高めること
が出来る。When the seal member 8 is deteriorated or worn, it is only necessary to replace the seal member 8 without replacing the large diameter high pressure hose. Further, since the dust stopper 11 can prevent foreign matter from entering the seal contact surface 1a side, the sealing performance can be further improved.
【００１４】[0014]
【発明の効果】この発明は、上記のように成形フランジ
の内側で、かつホース本体の端部に、成形フランジの内
側に形成した位置決め用凹部に嵌合すると共に、ホース
本体内に、同心的で、かつ一体的に埋設されたシール金
具を設け、このシール金具は、前記ビードリングの内径
側を包み込むように形成され、このシール金具のシール
面にシール部材を設けたので、成形フランジとシール金
具とを同心的に位置決めして、ホース本体の端末部に於
けるシール性の信頼性を高めることが出来、またシール
金具は、前記ビードリングの内径側を包み込むように形
成されているので、高圧下での使用が可能となり、更に
シール部材は、交換可能であるので、シール部材が損傷
しても大口径高圧ホース全体を交換する必要がなく、経
済的で耐久性を高めることが出来、精度の高いシール性
能を常に維持することが出来る効果がある。Effects of the Invention The present invention, on the inside of the molded flange as described above, and the end portion of the hose body, with fitted into the positioning recess formed inside the molding flange, the hose
Seal gold that is concentrically and integrally embedded in the body
This seal fitting is the inner diameter of the bead ring.
It is formed so as to wrap around the side, and since the sealing member is provided on the sealing surface of this sealing metal fitting, the molding flange and the sealing metal fitting are concentrically positioned, and the reliability of the sealing property at the end of the hose body is improved. Can be increased and also seal
The metal fitting is shaped so as to wrap around the inner diameter side of the bead ring.
Since it is made possible, it can be used under high pressure, and since the seal member can be replaced, even if the seal member is damaged, it is not necessary to replace the entire large-diameter high-pressure hose, making it economical and durable. It is possible to improve the sealing performance and maintain a highly accurate sealing performance at all times.
【図１】この発明を実施した大口径高圧ホースの端末部
の一部拡大断面図である。FIG. 1 is a partially enlarged sectional view of a terminal portion of a large diameter high pressure hose embodying the present invention.
【図２】従来の大口径高圧ホースの端末部の一部拡大断
面図である。FIG. 2 is a partially enlarged sectional view of a terminal portion of a conventional large-diameter high-pressure hose.
１ 大口径高圧ホースのホース本体 １ａ シー
ル当接面 ２ チューブゴム ３ カバ
ーゴム ４ ビードリング ５ 補強
コード ６ 成形フランジ ８ シー
ル部材 １０ シール金具 １０ａ 端
面 １１ ダストストッパー １２ 成形フランジの位置決め用凹部1 Hose body of large-diameter high-pressure hose 1a Seal contact surface 2 Tube rubber 3 Cover rubber 4 Bead ring 5 Reinforcing cord 6 Molding flange 8 Sealing member 10 Sealing metal fitting 10a End surface 11 Dust stopper 12 Molding flange positioning recess
───────────────────────────────────────────────────── フロントページの続き (72)発明者 川又 康永 神奈川県平塚市追分２番１号 横浜ゴム 株式会社 平塚製造所内 (72)発明者 脇田 典英 神戸市兵庫区和田崎町一丁目１番１号 三菱重工業株式会社 神戸造船所内 (72)発明者 景山 豊 神戸市兵庫区和田崎町一丁目１番１号 三菱重工業株式会社 神戸造船所内 (72)発明者 田澤 光治 神戸市兵庫区和田崎町一丁目１番１号 三菱重工業株式会社 神戸造船所内 (56)参考文献 実開 昭54−143408（ＪＰ，Ｕ) 実開 昭59−175782（ＪＰ，Ｕ) 実開 昭61−84291（ＪＰ，Ｕ) 実開 昭60−172086（ＪＰ，Ｕ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yasunaga Kawamata 2-1, Oiwake, Hiratsuka-shi, Kanagawa Yokohama Rubber Co., Ltd. Hiratsuka Plant (72) Norihide Wakita 1-1-1, Wadazaki-cho, Hyogo-ku, Kobe No. Mitsubishi Heavy Industries, Ltd. Kobe Shipyard (72) Inventor Yutaka Kageyama 1-1-1, Wadasaki-cho, Hyogo-ku, Kobe Mitsubishi Heavy Industries, Ltd. Kobe Shipyard (72) Inventor Koji Tazawa One, Wadazaki-cho, Hyogo-ku, Kobe No. 1-1 No. 1 Mitsubishi Heavy Industries, Ltd. Kobe Shipyard (56) References Showa 54-143408 (JP, U) Showa 59-175782 (JP, U) Showa 61-84291 (JP, U) Actually open 60-172086 (JP, U)
Claims (1)
端部をビードリングの周りに折り返した補強コードを長
手方向に埋設したホース本体と、このホース本体の両端
部に、補強コードの両端部を押さえる成形フランジを一
体的に設けて成る大口径高圧ホースにおいて、前記成形
フランジの内側で、かつホース本体の端部に、成形フラ
ンジの内側に形成した位置決め用凹部に嵌合すると共
に、ホース本体内に、同心的で、かつ一体的に埋設され
たシール金具を設け、このシール金具は、前記ビードリ
ングの内径側を包み込むように形成され、このシール金
具のシール面にシール部材を設けたことを特徴とする大
口径高圧ホースの端末部シール構造。1. A hose body in which a reinforcing cord having both ends folded back around a bead ring is embedded in a longitudinal direction between a tube rubber and a cover rubber, and both ends of the reinforcing cord are attached to both ends of the hose body. in large diameter high pressure hose composed integrally provided on the molded flange for pressing, inside said molding flange and the end portion of the hose body, when fitted into the positioning recess formed inside the molded flange co
Is embedded concentrically and integrally in the hose body.
The seal metal fitting is provided, and the seal metal fitting is
A structure for sealing a terminal portion of a large-diameter high-pressure hose, which is formed so as to wrap around the inner diameter side of the ring, and a sealing member is provided on the sealing surface of the sealing metal fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5328800A JP2534621B2 (en) | 1993-12-24 | 1993-12-24 | Large diameter high pressure hose end seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5328800A JP2534621B2 (en) | 1993-12-24 | 1993-12-24 | Large diameter high pressure hose end seal structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07180789A JPH07180789A (en) | 1995-07-18 |
| JP2534621B2 true JP2534621B2 (en) | 1996-09-18 |
Family
ID=18214251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5328800A Expired - Lifetime JP2534621B2 (en) | 1993-12-24 | 1993-12-24 | Large diameter high pressure hose end seal structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2534621B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3770673B2 (en) * | 1996-03-08 | 2006-04-26 | 東洋ゴム工業株式会社 | Steel coil reinforced buried flexible joint integrally formed with flange and method for manufacturing the same |
| KR100688676B1 (en) * | 2005-10-04 | 2007-03-02 | 두산인프라코어 주식회사 | Connecting hose having flange |
| JP6044752B2 (en) * | 2011-12-28 | 2016-12-14 | 株式会社十川ゴム | Pipe fitting and manufacturing method thereof |
-
1993
- 1993-12-24 JP JP5328800A patent/JP2534621B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07180789A (en) | 1995-07-18 |
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