WO2019178921A1 - Insulated high-pressure steel wire rubber hose assembly - Google Patents

Insulated high-pressure steel wire rubber hose assembly Download PDF

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Publication number
WO2019178921A1
WO2019178921A1 PCT/CN2018/085316 CN2018085316W WO2019178921A1 WO 2019178921 A1 WO2019178921 A1 WO 2019178921A1 CN 2018085316 W CN2018085316 W CN 2018085316W WO 2019178921 A1 WO2019178921 A1 WO 2019178921A1
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WIPO (PCT)
Prior art keywords
pressure steel
sleeve
rubber hose
hose
insulated
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PCT/CN2018/085316
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French (fr)
Chinese (zh)
Inventor
施俊明
周俊伟
赵建平
阎鹏
刘永猛
王国锋
Original Assignee
太原市京丰铁路电务器材制造有限公司
山西铁道通信信号技术研究院有限公司
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Application filed by 太原市京丰铁路电务器材制造有限公司, 山西铁道通信信号技术研究院有限公司 filed Critical 太原市京丰铁路电务器材制造有限公司
Priority to DE212018000405.6U priority Critical patent/DE212018000405U1/en
Publication of WO2019178921A1 publication Critical patent/WO2019178921A1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/02—Electrically insulating joints or couplings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/22—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
    • F16L33/225—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts a sleeve being movable axially

Definitions

  • the invention relates to the technical field of high-pressure steel hose assembly, in particular to an insulated high-pressure steel hose assembly.
  • the hoses of the existing hydraulic switch machines have always become non-insulated.
  • the hydraulic switch connection of the hose assembly is subjected to a certain return current. Since the hose is usually laid on the ground, if the hose assembly is not insulated, the hose becomes a charged body and a certain potential difference is formed, which causes the braided steel wire in the hose to corrode and cause the hose assembly to be damaged.
  • the existing hose assembly is buckled, the metal outer casing is directly in contact with the steel wire braid of the high-pressure steel wire braided hose, which easily causes damage of the steel wire braid layer and affects the performance and life of the rubber hose.
  • the invention aims to create a new insulated high-pressure steel hose assembly, which can realize the insulation of the high-pressure steel braided hose and the metal outer sleeve and the inner core tube, prolonging the service life and improving the durability.
  • the technical problem to be solved by the present invention is to provide an insulated high-pressure steel wire hose assembly, which can realize the insulation of the high-pressure steel wire braided hose and the metal outer sleeve and the inner core tube, prolong the service life and improve the durability, thereby overcoming the existing Insufficient high pressure steel hose assembly.
  • the present invention provides an insulated high-pressure steel hose assembly, which includes a hose joint, a metal outer sleeve, an insulating sleeve and a high-pressure steel hose.
  • the hose joint includes an outer interface end and an inner core tube end, and the inner core tube end is for inserting the end of the high pressure steel hose;
  • the outer metal sleeve is movably disposed on the outer circumference of the inner core end of the rubber joint for tightly pressing against the outer circumference of the end of the high pressure steel hose under an external force;
  • the insulating sleeve is disposed at an end of the high-pressure steel hose to prevent direct contact between the outer side of the inner tube end of the hose joint and the inner side of the metal outer sleeve and the high-pressure steel hose.
  • the insulating sleeve comprises an inner insulating tube and an outer insulating tube, wherein the inner insulating tube is a sleeve with an outer flange at one end, and an inner diameter of the outer insulating tube is equal to the inner insulation The outer diameter of the circumference of the outer flange.
  • the inner insulating tube and the outer insulating tube are an integrally formed U-shaped loop structure.
  • the insulating sleeve is made of rubber, nylon, polytetrafluoroethylene or silica gel.
  • the present invention has at least the following advantages:
  • the invention provides a sleeve formed of an insulating material on both the end surface and the inner side of the end portion of the high-pressure steel wire braided hose, so that the hose joint and the metal outer sleeve and the high-pressure steel hose are absolutely insulated, so that the hose assembly has good performance. Insulation characteristics, while ensuring the original functions of high pressure resistance, and improving the reliability and durability of the hose assembly, it is suitable for various hydraulic conversion equipment for railway turnouts.
  • the insulating sleeve is also set as an inner insulating tube and an outer insulating tube to reduce the processing difficulty of the insulating sleeve.
  • the insulated high-pressure steel hose assembly has a simple structure and low cost, and is favorable for popularization.
  • FIG. 1 is a schematic view showing the structure of an insulated high-pressure steel hose assembly of the present invention.
  • Figure 2 is a longitudinal cross-sectional view of the inner insulating tube in the present invention.
  • Figure 3 is a transverse cross-sectional view of the everted side of the inner insulating tube of the present invention.
  • Figure 4 is a longitudinal cross-sectional view of the outer insulating tube of the present invention.
  • Figure 5 is a transverse cross-sectional view of the outer insulating tube of the present invention.
  • the high-pressure steel hose for the hydraulic switch machine is taken as an example, and the technical solution of the present invention is specifically described, and should not be construed as limiting the present invention. This embodiment is described in detail below.
  • the insulated high-pressure steel hose assembly of the present embodiment comprises a hose joint 1, a metal outer sleeve 2, an insulating sleeve and a high-pressure steel hose hose 6.
  • the hose joint 1 comprises an outer interface end 5 and an inner core tube end 5 for inserting the end of the high pressure steel hose hose 6.
  • the outer metal sleeve 2 is movably disposed on the outer circumference of the inner core end 5 of the rubber joint for tightly pressing against the outer circumference of the end of the high-pressure steel hose 6 under external force to realize the cooperation with the inner tube of the hose joint. , the fixed connection of the hose joint 1 and the high-pressure steel hose 6 is achieved.
  • the insulating sleeve is disposed at an end of the high-pressure steel hose 6 for avoiding direct contact between the outer side of the inner tube end 5 of the hose joint 1 and the inner side of the metal outer sleeve 2 and the high-pressure steel hose 6 to serve the metal
  • the direct contact between the outer sleeve and the inner core tube and the steel wire braid of the high-pressure steel wire braided hose achieves the purpose of true insulation.
  • the insulating sleeve comprises an inner insulating tube 4 and an outer insulating tube 3, as shown in Figures 2 to 5.
  • the inner insulating tube 4 is a sleeve with an outer flange 7 at one end, and the inner diameter of the outer insulating tube 3 is equal to the outer diameter of the outer flange 7 of the inner insulating tube, so that the inner insulating tube 4 and the outer insulating tube 3 cooperate It is just to realize the direct contact between the metal outer sleeve and the inner core tube and the steel wire braid of the high-pressure steel wire braided hose, and the insulation purpose is simple and convenient.
  • the inner insulating tube 4 and the outer insulating tube 3 can also be an integrally formed U-shaped loop structure, which makes assembly easier.
  • the insulating sleeve is made of rubber material, and of course, various existing insulating materials such as nylon, polytetrafluoroethylene or silica gel may be used.
  • the assembly step of the insulated high-pressure steel hose assembly of the present invention is: firstly, an insulating sleeve is set at the end of the high-pressure steel hose 6, and then the inner core tube 5 of the hose joint is inserted into the high-pressure steel hose provided with the insulating sleeve. 6 Internally, finally, by applying an external force to the metal outer sleeve 2, the metal outer sleeve 2 is engaged with the hose joint 1 to complete the fixed connection of the high-pressure steel hose hose 6.
  • the insulated high-pressure steel hose assembly of the invention adds a flexible insulating material between the metal outer sleeve and the high-pressure steel braided hose, so that the hose assembly has good insulation properties, and the steel braid of the high-pressure steel braided hose can also be
  • the protection is formed to effectively prevent the crushing of the hose assembly, improve the reliability of the hose assembly, and at the same time ensure the original functions of high pressure resistance and the like, and is suitable for various hydraulic conversion devices for railway turnouts.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Joints That Cut Off Fluids, And Hose Joints (AREA)

Abstract

Disclosed is an insulated high-pressure steel wire rubber hose assembly, comprising a rubber hose joint (1), a metal outer sleeve (2), an insulated sleeve and a high-pressure steel wire rubber hose (6), wherein the rubber hose joint (1) comprises an outer interface end and an inner core pipe end (5), and the inner core pipe end (5) is used for being inserted into the end of the high-pressure steel wire rubber hose (6). The metal outer sleeve (2) is movably arranged on the periphery of the inner core pipe end (5) of the rubber hose joint (1), and is used for tightly clamping and pressing the periphery of the end of the high-pressure steel wire rubber hose (6) under the action of an external force. The insulated sleeve is arranged at the end of the high-pressure steel wire rubber hose (6), so as to prevent the outer side of the inner core pipe end (5) of the rubber hose joint and the inner side of the metal outer sleeve (2) from being in direct contact with the high-pressure steel wire rubber hose (6). The insulated sleeve comprises an inner insulated pipe (4) and an outer insulated pipe (3); and the inner insulated pipe (4) is a sleeve with an outer flange at one end, and the inner diameter of the outer insulated pipe (3) is equal to the outer diameter of the circumference of the outer flange of the inner insulated pipe (4). By means of the inner insulated pipe and the outer insulated pipe being provided, the rubber hose assembly has a good insulation characteristic and greatly improves durability. The rubber hose assembly has a simple structure, is low in cost and is good for popularization.

Description

一种绝缘型高压钢丝胶管总成Insulated high-pressure steel hose assembly 技术领域Technical field
本发明涉及高压钢丝胶管总成技术领域，特别是涉及一种绝缘型高压钢丝胶管总成。The invention relates to the technical field of high-pressure steel hose assembly, in particular to an insulated high-pressure steel hose assembly.
背景技术Background technique
现有液压转辙机的胶管总成为非绝缘型，在潮湿环境中尤其使用于地铁时，胶管总成连接的液压转辙机会接受一定的回流电。由于胶管通常会铺设与地面上，这样如果胶管总成不绝缘，就会使胶管成为带电体与大地形成一定的电位差，从而导致胶管内的编织钢丝电腐蚀，导致胶管总成破损。同时现有的胶管总成在扣压时，由于金属外套管与高压钢丝编织胶管的钢丝编织物直接接触，易导致钢丝编织层的破损，影响胶管的性能和寿命。The hoses of the existing hydraulic switch machines have always become non-insulated. When used in a humid environment, especially in the subway, the hydraulic switch connection of the hose assembly is subjected to a certain return current. Since the hose is usually laid on the ground, if the hose assembly is not insulated, the hose becomes a charged body and a certain potential difference is formed, which causes the braided steel wire in the hose to corrode and cause the hose assembly to be damaged. At the same time, when the existing hose assembly is buckled, the metal outer casing is directly in contact with the steel wire braid of the high-pressure steel wire braided hose, which easily causes damage of the steel wire braid layer and affects the performance and life of the rubber hose.
由此可见，上述现有的非绝缘型高压钢丝胶管总成在结构与使用上，显然仍存在有不便与缺陷，而亟待加以进一步改进。本发明就是要创设一种新的绝缘型高压钢丝胶管总成，使其能实现高压钢丝编织胶管与金属外套管和内芯管的绝缘，延长使用寿命，提高耐用性。It can be seen that the above-mentioned existing non-insulated high-pressure steel hose assembly has obvious inconvenience and defects in structure and use, and needs to be further improved. The invention aims to create a new insulated high-pressure steel hose assembly, which can realize the insulation of the high-pressure steel braided hose and the metal outer sleeve and the inner core tube, prolonging the service life and improving the durability.
发明内容Summary of the invention
本发明要解决的技术问题是提供一种绝缘型高压钢丝胶管总成，使其能实现高压钢丝编织胶管与金属外套管和内芯管的绝缘，延长寿命，提高耐用性，从而克服现有的高压钢丝胶管总成的不足。The technical problem to be solved by the present invention is to provide an insulated high-pressure steel wire hose assembly, which can realize the insulation of the high-pressure steel wire braided hose and the metal outer sleeve and the inner core tube, prolong the service life and improve the durability, thereby overcoming the existing Insufficient high pressure steel hose assembly.
为解决上述技术问题，本发明提供一种绝缘型高压钢丝胶管总成，包 括胶管接头、金属外套管、绝缘套管和高压钢丝胶管，In order to solve the above technical problems, the present invention provides an insulated high-pressure steel hose assembly, which includes a hose joint, a metal outer sleeve, an insulating sleeve and a high-pressure steel hose.
所述胶管接头包括外接口端和内芯管端，所述内芯管端用于插入所述高压钢丝胶管端部；The hose joint includes an outer interface end and an inner core tube end, and the inner core tube end is for inserting the end of the high pressure steel hose;
所述金属外套管，可活动地设置在所述胶管接头的内芯管端外周，用于在外力作用下紧密扣压在所述高压钢丝胶管端部的外周；The outer metal sleeve is movably disposed on the outer circumference of the inner core end of the rubber joint for tightly pressing against the outer circumference of the end of the high pressure steel hose under an external force;
所述绝缘套管设置在所述高压钢丝胶管的端部，用于避免所述胶管接头的内芯管端外侧和所述金属外套管内侧与所述高压钢丝胶管的直接接触。The insulating sleeve is disposed at an end of the high-pressure steel hose to prevent direct contact between the outer side of the inner tube end of the hose joint and the inner side of the metal outer sleeve and the high-pressure steel hose.
作为本发明的一种改进，所述绝缘套管包括内绝缘管和外绝缘管，所述内绝缘管为一端带有外翻边的套管，所述外绝缘管的内径等于所述内绝缘管外翻边圆周的外径。As an improvement of the present invention, the insulating sleeve comprises an inner insulating tube and an outer insulating tube, wherein the inner insulating tube is a sleeve with an outer flange at one end, and an inner diameter of the outer insulating tube is equal to the inner insulation The outer diameter of the circumference of the outer flange.
进一步改进，所述内绝缘管和外绝缘管为一体成型的U型环管结构。Further improved, the inner insulating tube and the outer insulating tube are an integrally formed U-shaped loop structure.
进一步改进，所述绝缘套管采用橡胶、尼龙、聚四氟乙烯或硅胶材质。Further improved, the insulating sleeve is made of rubber, nylon, polytetrafluoroethylene or silica gel.
采用这样的设计后，本发明至少具有以下优点：With such a design, the present invention has at least the following advantages:
1、本发明通过在高压钢丝编织胶管的端面及端部内外侧均设置由绝缘材料形成的套管，使胶管接头和金属外套管与高压钢丝胶管达到绝对的绝缘，使该胶管总成具有良好的绝缘特性，同时又能保证耐高压等原有功能不变，提高胶管总成的可靠性和耐用性，适用于各种铁路道岔用液压转换设备。1. The invention provides a sleeve formed of an insulating material on both the end surface and the inner side of the end portion of the high-pressure steel wire braided hose, so that the hose joint and the metal outer sleeve and the high-pressure steel hose are absolutely insulated, so that the hose assembly has good performance. Insulation characteristics, while ensuring the original functions of high pressure resistance, and improving the reliability and durability of the hose assembly, it is suitable for various hydraulic conversion equipment for railway turnouts.
2、还通过将绝缘套管设置为内绝缘管和外绝缘管，降低绝缘套管的加工难度，该绝缘型高压钢丝胶管总成结构简单、成本低，利于推广。2. The insulating sleeve is also set as an inner insulating tube and an outer insulating tube to reduce the processing difficulty of the insulating sleeve. The insulated high-pressure steel hose assembly has a simple structure and low cost, and is favorable for popularization.
附图说明DRAWINGS
上述仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，以下结合附图与具体实施方式对本发明作进一步的详细说明。The above is only an overview of the technical solutions of the present invention. In order to more clearly understand the technical means of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
图1是本发明绝缘型高压钢丝胶管总成的结构示意图。1 is a schematic view showing the structure of an insulated high-pressure steel hose assembly of the present invention.
图2是本发明中内绝缘管的纵向剖视图。Figure 2 is a longitudinal cross-sectional view of the inner insulating tube in the present invention.
图3是本发明中内绝缘管的外翻边横向剖视图。Figure 3 is a transverse cross-sectional view of the everted side of the inner insulating tube of the present invention.
图4是本发明中外绝缘管的纵向剖视图。Figure 4 is a longitudinal cross-sectional view of the outer insulating tube of the present invention.
图5是本发明中外绝缘管的横向剖视图。Figure 5 is a transverse cross-sectional view of the outer insulating tube of the present invention.
具体实施方式detailed description
本实施例以液压转辙机用高压钢丝胶管总成为例，对本发明技术方案进行具体说明，不应理解为是对本发明的任何限制。本实施例详细说明如下。In this embodiment, the high-pressure steel hose for the hydraulic switch machine is taken as an example, and the technical solution of the present invention is specifically described, and should not be construed as limiting the present invention. This embodiment is described in detail below.
参照附图1所示，本实施例绝缘型高压钢丝胶管总成，包括胶管接头1、金属外套管2、绝缘套管和高压钢丝胶管6。Referring to Figure 1, the insulated high-pressure steel hose assembly of the present embodiment comprises a hose joint 1, a metal outer sleeve 2, an insulating sleeve and a high-pressure steel hose hose 6.
该胶管接头1包括外接口端和内芯管端5，该内芯管端5用于插入该高压钢丝胶管6的端部。The hose joint 1 comprises an outer interface end 5 and an inner core tube end 5 for inserting the end of the high pressure steel hose hose 6.
该金属外套管2，可活动地设置在该胶管接头的内芯管端5外周，用于在外力作用下紧密扣压在该高压钢丝胶管6端部的外周，实现与胶管接头内芯管的配合，达到胶管接头1与高压钢丝胶管6的固定连接。The outer metal sleeve 2 is movably disposed on the outer circumference of the inner core end 5 of the rubber joint for tightly pressing against the outer circumference of the end of the high-pressure steel hose 6 under external force to realize the cooperation with the inner tube of the hose joint. , the fixed connection of the hose joint 1 and the high-pressure steel hose 6 is achieved.
该绝缘套管设置在该高压钢丝胶管6的端部，用于避免该胶管接头1的内芯管端5外侧和该金属外套管2内侧与该高压钢丝胶管6的直接接触，起到该金属外套管和内芯管与高压钢丝编织胶管的钢丝编织物的直接接触，达到真正绝缘的目的。The insulating sleeve is disposed at an end of the high-pressure steel hose 6 for avoiding direct contact between the outer side of the inner tube end 5 of the hose joint 1 and the inner side of the metal outer sleeve 2 and the high-pressure steel hose 6 to serve the metal The direct contact between the outer sleeve and the inner core tube and the steel wire braid of the high-pressure steel wire braided hose achieves the purpose of true insulation.
较优实施例为，参照附图2至5所示，该绝缘套管包括内绝缘管4和外绝缘管3。该内绝缘管4为一端带有外翻边7的套管，该外绝缘管3的内径等于该内绝缘管外翻边7圆周的外径，这样内绝缘管4和外绝缘管3相配合正好实现完全隔离该金属外套管和内芯管与高压钢丝编织胶管的钢丝 编织物的直接接触，简单方便的实现绝缘目的。当然，该内绝缘管4和外绝缘管3也可以为一体成型的U型环管结构，使组装更简便。In a preferred embodiment, the insulating sleeve comprises an inner insulating tube 4 and an outer insulating tube 3, as shown in Figures 2 to 5. The inner insulating tube 4 is a sleeve with an outer flange 7 at one end, and the inner diameter of the outer insulating tube 3 is equal to the outer diameter of the outer flange 7 of the inner insulating tube, so that the inner insulating tube 4 and the outer insulating tube 3 cooperate It is just to realize the direct contact between the metal outer sleeve and the inner core tube and the steel wire braid of the high-pressure steel wire braided hose, and the insulation purpose is simple and convenient. Of course, the inner insulating tube 4 and the outer insulating tube 3 can also be an integrally formed U-shaped loop structure, which makes assembly easier.
本实施例中绝缘套管采用橡胶材质，当然也可以采用现有的各种绝缘材料，如尼龙、聚四氟乙烯或硅胶等。In the embodiment, the insulating sleeve is made of rubber material, and of course, various existing insulating materials such as nylon, polytetrafluoroethylene or silica gel may be used.
本发明绝缘型高压钢丝胶管总成的组装步骤为：先将绝缘套管套装在该高压钢丝胶管6的端部，然后将胶管接头的内芯管5插入套装有该绝缘套管的高压钢丝胶管6内部，最后通过向金属外套管2施加外力，实现金属外套管2与胶管接头1配合完成对高压钢丝胶管6的固定连接。The assembly step of the insulated high-pressure steel hose assembly of the present invention is: firstly, an insulating sleeve is set at the end of the high-pressure steel hose 6, and then the inner core tube 5 of the hose joint is inserted into the high-pressure steel hose provided with the insulating sleeve. 6 Internally, finally, by applying an external force to the metal outer sleeve 2, the metal outer sleeve 2 is engaged with the hose joint 1 to complete the fixed connection of the high-pressure steel hose hose 6.
本发明绝缘型高压钢丝胶管总成通过在金属外套管与高压钢丝编织胶管之间增设柔性的绝缘材料，使该胶管总成具有良好的绝缘特性，还可以对该高压钢丝编织胶管的钢丝编织层形成保护，有效防止对其压伤，提高胶管总成的可靠性，同时又能保证耐高压等原有功能不变，适用于各种铁路道岔用液压转换设备中。The insulated high-pressure steel hose assembly of the invention adds a flexible insulating material between the metal outer sleeve and the high-pressure steel braided hose, so that the hose assembly has good insulation properties, and the steel braid of the high-pressure steel braided hose can also be The protection is formed to effectively prevent the crushing of the hose assembly, improve the reliability of the hose assembly, and at the same time ensure the original functions of high pressure resistance and the like, and is suitable for various hydraulic conversion devices for railway turnouts.
以上所述，仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，本领域技术人员利用上述揭示的技术内容做出些许简单修改、等同变化或修饰，均落在本发明的保护范围内。The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make some simple modifications, equivalent changes or modifications using the technical contents disclosed above. Within the scope of protection of the invention.

Claims (4)

  1. 一种绝缘型高压钢丝胶管总成，其特征在于，包括胶管接头、金属外套管、绝缘套管和高压钢丝胶管，An insulated high-pressure steel hose assembly, which comprises a rubber joint, a metal outer sleeve, an insulating sleeve and a high-pressure steel hose,
    所述胶管接头包括外接口端和内芯管端，所述内芯管端用于插入所述高压钢丝胶管端部；The hose joint includes an outer interface end and an inner core tube end, and the inner core tube end is for inserting the end of the high pressure steel hose;
    所述金属外套管，可活动地设置在所述胶管接头的内芯管端外周，用于在外力作用下紧密扣压在所述高压钢丝胶管端部的外周；The outer metal sleeve is movably disposed on the outer circumference of the inner core end of the rubber joint for tightly pressing against the outer circumference of the end of the high pressure steel hose under an external force;
    所述绝缘套管设置在所述高压钢丝胶管的端部，用于避免所述胶管接头的内芯管端外侧和所述金属外套管内侧与所述高压钢丝胶管的直接接触。The insulating sleeve is disposed at an end of the high-pressure steel hose to prevent direct contact between the outer side of the inner tube end of the hose joint and the inner side of the metal outer sleeve and the high-pressure steel hose.
  2. 根据权利要求1所述的绝缘型高压钢丝胶管总成，其特征在于，所述绝缘套管包括内绝缘管和外绝缘管，所述内绝缘管为一端带有外翻边的套管，所述外绝缘管的内径等于所述内绝缘管外翻边圆周的外径。The insulated high-pressure steel wire hose assembly according to claim 1, wherein the insulating sleeve comprises an inner insulating tube and an outer insulating tube, and the inner insulating tube is a sleeve with an outer flange at one end. The inner diameter of the outer insulating tube is equal to the outer diameter of the outer flange of the inner insulating tube.
  3. 根据权利要求2所述的绝缘型高压钢丝胶管总成，其特征在于，所述内绝缘管和外绝缘管为一体成型的U型环管结构。The insulated high-pressure steel hose assembly according to claim 2, wherein the inner insulating tube and the outer insulating tube are integrally formed U-shaped loop structures.
  4. 根据权利要求1至3任一项所述的绝缘型高压钢丝胶管总成，其特征在于，所述绝缘套管采用橡胶、尼龙、聚四氟乙烯或硅胶材质。The insulated high-pressure steel hose assembly according to any one of claims 1 to 3, wherein the insulating sleeve is made of rubber, nylon, polytetrafluoroethylene or silica gel.
PCT/CN2018/085316 2018-03-23 2018-05-02 Insulated high-pressure steel wire rubber hose assembly WO2019178921A1 (en)

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CN201810247719.3 2018-03-23

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