JP2785040B2 - High pressure rubber hose - Google Patents
High pressure rubber hoseInfo
- Publication number
- JP2785040B2 JP2785040B2 JP12865989A JP12865989A JP2785040B2 JP 2785040 B2 JP2785040 B2 JP 2785040B2 JP 12865989 A JP12865989 A JP 12865989A JP 12865989 A JP12865989 A JP 12865989A JP 2785040 B2 JP2785040 B2 JP 2785040B2
- Authority
- JP
- Japan
- Prior art keywords
- braid
- rubber layer
- rubber hose
- pressure
- pressure rubber
- 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 - Fee Related
Links
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、高圧ゴムホース及びその製造方法に係わ
り、更に詳しくは内面ゴム層が外側に流れたり、内面ゴ
ム層に穴が開いたりするのを有効に防止すると共に、内
面ゴム層の薄肉化を容易にした高圧ゴムホース及びその
製造方法に関するものである。Description: TECHNICAL FIELD The present invention relates to a high-pressure rubber hose and a method for manufacturing the same, and more particularly, to a method in which an inner rubber layer flows outward or a hole is formed in an inner rubber layer. The present invention relates to a high-pressure rubber hose which effectively prevents the thickness of the inner surface rubber layer and facilitates thinning thereof, and a method for manufacturing the same.
従来、高圧の流体（油圧）を輸送する高圧ゴムホース
は、例えば、第３図〜第５図に示すように、内面ゴム層
１と中間ゴム層２との間に補強コードから成る第１編組
３を編組すると共に、中間ゴム層２と外面ゴム層４との
間に補強コードから成る第２編組５を編組することによ
り構成されている。Conventionally, a high-pressure rubber hose for transporting a high-pressure fluid (hydraulic pressure) has, for example, a first braid 3 composed of a reinforcing cord between an inner rubber layer 1 and an intermediate rubber layer 2 as shown in FIGS. And a second braid 5 made of a reinforcing cord is braided between the intermediate rubber layer 2 and the outer rubber layer 4.
然し乍ら、上記のような従来の高圧ゴムホースは、第
１編組３の鋼線ａ・・・と、第２編組５の鋼線ｂ・・・
との軸線Ｐ−Ｐが略一致しているため、鋼線ａ上及び鋼
線ｂ上において編組交叉空間部Ｘが第１編組３と第２編
組５とで一致する所が発生する場合が多い。However, the conventional high-pressure rubber hose as described above has a steel wire a of the first braid 3 and a steel wire b of the second braid 5.
Are substantially coincident with each other, a place where the braid intersection space portion X is coincident between the first braid 3 and the second braid 5 on the steel wire a and the steel wire b often occurs. .
上記の編組交叉空間部Ｘが一致する所は、高温，高圧
下において、内面ゴム層２が外側に押出される上に穴が
開き易くて内部流体が外部に洩れ出る場合があり、ま
た、上記の編組交叉空間部Ｘが、第５図に示すように一
致する個所は、ホースの製造中に内面ゴム層１が外部に
流れて穴の開く危険性があった。At the place where the above-mentioned braid crossing space portions X coincide with each other, under high temperature and high pressure, the inner rubber layer 2 is extruded outward and a hole is easily formed so that the internal fluid may leak to the outside. 5 where there is a risk that the inner rubber layer 1 flows to the outside during the manufacture of the hose to form a hole.
この発明は、かかる従来の問題点に着目して案出され
たもので、第１編組と第２編組との編組交叉空間部が編
組軸線上において重ならないようにずらせて編組するこ
とにより、内面ゴム層が外側に流れたり、内面ゴム層に
穴が開いたりするのを有効に防止すると共に、内面ゴム
層の薄肉化を容易にし、耐久性を向上させることが出来
る高圧ゴムホース及びその製造方法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 a conventional problem, and the braid is shifted by shifting the braid intersecting space portions of the first braid and the second braid so as not to overlap on the braid axis. A high-pressure rubber hose capable of effectively preventing a rubber layer from flowing outward or opening a hole in an inner rubber layer, facilitating thinning of the inner rubber layer, and improving durability, and a method of manufacturing the same. It is intended to provide.
この発明は上記目的を達成するため、第１編組と第２
編組との編組軸線をずらせて編組交叉空間部が重ならな
いように編組することにより、高圧ゴムホースを構成す
ることを要旨とするものである。The present invention achieves the above object by providing a first braid and a second braid.
The gist of the present invention is to constitute a high-pressure rubber hose by shifting the braid axis with the braid so that the braid intersection space does not overlap.
この発明は、上記のように構成され、内面ゴム層の外
周面に、第１編組を編組し、この第１編組の外周面に中
間ゴム層を形成し、この中間ゴム層の外周面に、前記第
１編組の編組交叉部の空間部と第２編組の編組交叉部の
空間部とが一致しないように第２編組を編組し、更に第
２編組の外周面に、外層ゴムを成形している。The present invention is configured as described above, the first braid is braided on the outer peripheral surface of the inner rubber layer, an intermediate rubber layer is formed on the outer peripheral surface of the first braid, and the outer peripheral surface of the intermediate rubber layer is The second braid is braided so that the space of the braid intersection of the first braid does not coincide with the space of the braid intersection of the second braid, and an outer layer rubber is formed on the outer peripheral surface of the second braid. I have.
以下添付図面に基づいて、この発明の実施例を説明す
る。An embodiment of the present invention will be described below with reference to the accompanying drawings.
なお以下の説明で、上記第３図〜第５図において説明
した従来例と同一構成要素は同一符号を付して説明す
る。In the following description, the same components as those of the conventional example described in FIGS. 3 to 5 are denoted by the same reference numerals.
第１図は、この発明を実施した高圧ゴムホースの第１
編組３と第２編組５の平面図、第２図は第１図のII−II
矢視断面図であって、高圧ゴムホース本体は、内面ゴム
層１と中間ゴム層２との間に第１編組３を編組すると共
に、中間ゴム層２と外面ゴム層４との間に第２編組５を
編組することにより構成されている。FIG. 1 shows a first embodiment of a high-pressure rubber hose embodying the present invention.
Plan view of the braid 3 and the second braid 5, FIG. 2 is II-II of FIG.
FIG. 3 is a sectional view taken in the direction of the arrow, in which a high-pressure rubber hose body has a first braid 3 braided between an inner rubber layer 1 and an intermediate rubber layer 2 and a second braid between the intermediate rubber layer 2 and the outer rubber layer 4. It is configured by braiding the braid 5.
前記、第１編組３の鋼線ａ・・・と、第２編組５の鋼
線ｂ・・・との軸線Ｐ−Ｐは、第１編組３の編組交叉空
間部Xaと、第２編組５の編組交叉空間部Xbとが重ならな
いようにずらせて構成してある。The axis PP of the steel wire a of the first braid 3 and the steel wire b of the second braid 5 is aligned with the braid intersection space Xa of the first braid 3 and the second braid 5 Are arranged so as not to overlap with the braided intersecting space portion Xb.
上記、第１編組３の鋼線ａ・・・と、第２編組５の鋼
線ｂ・・・との軸線のずらし角度は、キャリャ数（Ｃ）
により異なるが、下記のずらし角度が好ましい。The shift angle of the axis between the steel wire a of the first braid 3 and the steel wire b of the second braid 5 is the number of carriers (C).
However, the following shift angles are preferable.
16（ｃ）・・360゜×1/16×1/2＝11.25゜ 20（ｃ）・・360゜×1/20×1/2＝９゜ 24（ｃ）・・360゜×1/24×1/2＝7.5゜ 36（ｃ）・・360゜×1/36×1/2＝５゜ 48（ｃ）・・360゜×1/48×1/2＝3.75゜ ＝『360゜/2×1/キャリャ数』 以上のように、第１編組３の鋼線ａ・・・と、第２編
組５の鋼線ｂ・・・との軸線を、キャリャ数（Ｃ）によ
り、角度をずらせて編組することで、第１編組３の編組
交叉空間部Xaと、第２編組５の編組交叉空間部Xbとが重
ならず、これにより、内側ゴム層が外側に流れたり、内
面ゴム層に穴が開いたりするのを有効に防止すると共
に、内面ゴム層の薄肉化を容易にし、耐久性を向上させ
ることが出来るのである。16 (c) ... 360 ゜ × 1/16 × 1/2 = 11.25 ゜ 20 (c) ・ 360 ゜ × 1/20 × 1/2 = 9 ゜ 24 (c)） 360 ゜ × 1/24 × 1/2 = 7.5 ゜ 36 (c) · 360 1 / × 1/36 × 1/2 = 5 ゜ 48 (c) · 360 ゜ × 1/48 × 1/2 = 3.75 ゜ = “360 ゜ / As described above, the angle between the steel wire a ... of the first braid 3 and the steel wire b ... of the second braid 5 is determined by the number of carriers (C). By displacing the braids, the braid intersecting spaces Xa of the first braid 3 and the braid intersecting spaces Xb of the second braid 5 do not overlap, whereby the inner rubber layer flows outward or the inner rubber layer In addition to effectively preventing holes from being formed, the thickness of the inner rubber layer can be easily reduced, and the durability can be improved.
この発明は、上記のように第１編組と第２編組との編
組交叉空間部が編組軸線上において重ならないようにず
らせて編組することにより、以下のような優れた効果を
奏するものである。The present invention achieves the following excellent effects by shifting the braid intersection spaces of the first braid and the second braid so as not to overlap on the braid axis as described above.
（ａ）．内面ゴム層が外側に流れるのを有効に防止出来
る。(A). It is possible to effectively prevent the inner rubber layer from flowing outward.
（ｂ）．内面ゴム層に穴が開いたりするのを有効に防止
することが出来る。(B). It is possible to effectively prevent a hole from being formed in the inner rubber layer.
（ｃ）．内面ゴム層の薄肉化を容易にし、外観を向上さ
せることが出来る。(C). The thickness of the inner rubber layer can be easily reduced, and the appearance can be improved.
（ｄ）．高圧ゴムホースの耐久性を向上させることが出
来る。(D). The durability of the high-pressure rubber hose can be improved.
第１図は、この発明を実施した高圧ゴムホースの第１編
組と第２編組の平面図、第２図は第１図のII−II矢視断
面図、第３図は従来の高圧ゴムホースの一部切欠した斜
視図、第４図は従来の高圧ゴムホースの第１編組と第２
編組の平面図、第５図は第４図のＶ−Ｖ矢視断面図であ
る。 １……内面ゴム層、２……中間ゴム層、３……第１編
組、４……外面ゴム層、５……第２編組、a,b……鋼
線、Xa,Xb……編組交叉空間部。FIG. 1 is a plan view of a first braid and a second braid of a high-pressure rubber hose embodying the present invention, FIG. 2 is a sectional view taken along the line II-II of FIG. 1, and FIG. FIG. 4 shows a first braid and a second braid of a conventional high-pressure rubber hose.
FIG. 5 is a plan view of the braid, and FIG. 5 is a sectional view taken along the line VV in FIG. 1 ... inner rubber layer, 2 ... intermediate rubber layer, 3 ... first braid, 4 ... outer rubber layer, 5 ... second braid, a, b ... steel wire, Xa, Xb ... braid crossover Space department.
Claims (2)
を埋設すると共に、中間ゴム層と外面ゴム層との間に第
２編組を埋設して成る高圧ゴムホースに於て、前記第１
編組と第２編組との編組軸線をずらせて編組したことを
特徴とする高圧ゴムホース。1. A high-pressure rubber hose comprising a first braid embedded between an inner rubber layer and an intermediate rubber layer, and a second braid embedded between an intermediate rubber layer and an outer rubber layer. First
A high-pressure rubber hose, wherein a braid axis of the braid is shifted from a braid axis of the second braid.
し、この第１編組の外周面に中間ゴム層を形成し、この
中間ゴム層の外周面に、前記第１編組の編組交叉部の空
間部と第２編組の編組交叉部の空間部とが一致しないよ
うに第２編組を編組し、第２編組の外周面に、外層ゴム
を成形したことを特徴とする高圧ゴムホースの製造方
法。2. A first braid is braided on an outer peripheral surface of an inner rubber layer, an intermediate rubber layer is formed on an outer peripheral surface of the first braid, and a braid of the first braid is formed on an outer peripheral surface of the intermediate rubber layer. A high-pressure rubber hose characterized in that the second braid is braided so that the space of the crossover part does not coincide with the space of the braid crossover part of the second braid, and an outer layer rubber is formed on the outer peripheral surface of the second braid. Production method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12865989A JP2785040B2 (en) | 1989-05-24 | 1989-05-24 | High pressure rubber hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12865989A JP2785040B2 (en) | 1989-05-24 | 1989-05-24 | High pressure rubber hose |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02309085A JPH02309085A (en) | 1990-12-25 |
| JP2785040B2 true JP2785040B2 (en) | 1998-08-13 |
Family
ID=14990273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12865989A Expired - Fee Related JP2785040B2 (en) | 1989-05-24 | 1989-05-24 | High pressure rubber hose |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2785040B2 (en) |
-
1989
- 1989-05-24 JP JP12865989A patent/JP2785040B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02309085A (en) | 1990-12-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |