Wear-resistant composite rubber hose

Abstract

The utility model relates to the technical field of rubber hoses, in particular to a wear-resistant composite rubber hose which comprises a hose body, a connector is fixedly connected to the interior of one end of the hose body, the outer end of the connector extends out of the outer end of the hose body and is fixedly connected with a connecting flange plate, and a protective sleeve is fixedly arranged at the outer end of the connecting position of the hose body and the connector in a sleeved mode. The pipe body comprises an inner pipe, a wear-resistant strip is spirally wound on the outer surface of the inner pipe, an outer coating layer is fixedly coated on the outer surface of the inner pipe and the outer surface of the wear-resistant strip, two reinforcing metal wires are spirally wound on the outer surface of the outer coating layer along an inner concave part, the wear-resistant strip comprises an outer skin, and an inner metal wire is fixedly embedded in the outer skin. According to the wear-resisting pipe, the outwards-protruding wear-resisting strips can firstly bear wear when friction occurs, so that the inner pipe is protected, the wear-resisting effect is achieved, the reinforcing metal wires are further arranged, a double-layer wear-resisting structure is formed by the reinforcing metal wires and the wear-resisting strips, the wear-resisting effect is high, and the service life is long.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber hoses, in particular to a wear-resistant composite rubber hose. Background Art

[0002] Rubber hose is a tubular product made of rubber material with good elasticity and flexibility. It is suitable for conveying hydraulic fluids such as alcohol, fuel, lubricating oil, emulsion, etc. It is widely used in many fields, such as industry, agriculture, daily life, etc.

[0003] Most of the rubber hoses currently used are composite structures consisting of an inner rubber layer, a steel wire braided layer and an outer rubber layer. The rubber hoses of this structure have good flexibility, but when worn, the steel wire braided layer in the middle is thin and the wear resistance is not good enough. When used in some scenes with heavy wear, the service life is difficult to guarantee. Therefore, those skilled in the art provide a wear-resistant composite rubber hose to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a wear-resistant composite rubber hose to solve the following technical problems:

[0005] How to improve the wear resistance of rubber hoses and extend their service life.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A wear-resistant composite rubber hose comprises a pipe body, one end of the pipe body is fixedly connected to a joint inside, the outer end of the joint extends out of the outer end of the pipe body and is fixedly connected to a connecting flange, and a protective sleeve is fixedly sleeved on the outer end of the connection between the pipe body and the joint;

[0008] The pipe body comprises an inner pipe, the outer surface of the inner pipe is spirally wound with a wear-resistant strip, the outer surfaces of the inner pipe and the wear-resistant strip are fixedly covered with an outer coating layer, and the outer surface of the outer coating layer is spirally wound with two reinforcing metal wires along the inner concave part;

[0009] The wear-resistant strip comprises an outer skin, and an inner metal wire is fixedly embedded in the inner part of the outer skin.

[0010] Furthermore, the tube body comprises an inner rubber layer, the outer side of the inner rubber layer is fixedly coated with a metal braided layer, and the outer surface of the metal braided layer is fixedly coated with an outer rubber layer;

[0011] Furthermore, the metal braided layer is braided from stainless steel wires;

[0012] Furthermore, a connecting strip is fixedly connected to the inner side of the outer skin, and the connecting strip is fixedly embedded in the inner side of the outer layer of the inner tube;

[0013] Furthermore, the joint comprises a cannula, the outer side of the cannula is fixedly connected with a convex block, the convex block is tightly fitted with the inner wall of the tube body, and the inner side of the inner end of the cannula is set as an oblique opening;

[0014] Furthermore, a plurality of connection holes are evenly spaced at the inner periphery of the connecting flange;

[0015] Furthermore, an outer protrusion is fixedly provided on the inner side of the protective sleeve, and the outer protrusion is tightly fitted with the surface of the tube body;

[0016] Furthermore, the outer skin is made of polyethylene material, and the inner metal wire and the reinforcing metal wire are both made of stainless steel;

[0017] Beneficial effects of the utility model:

[0018] The utility model proposes a wear-resistant composite rubber hose. By arranging wear-resistant strips, when the composite rubber hose is in use, the outwardly protruding wear-resistant strips can first bear the wear when friction occurs, thereby protecting the inner tube and achieving a wear-resistant effect. In addition, reinforcing metal wires are also provided to form a double-layer anti-wear structure with the wear-resistant strips. After the wear-resistant strips at the wear part are worn to a certain position, the wear is borne by the reinforcing metal wires, thereby further improving the wear-resistant performance, having a strong wear-resistant effect and a long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings.

[0020] Figure 1 It is a stereoscopic diagram of a wear-resistant composite rubber hose proposed by the utility model;

[0021] Figure 2 It is a side view of a wear-resistant composite rubber hose proposed by the utility model;

[0022] Figure 3 It is a cross-sectional view of a wear-resistant composite rubber hose proposed by the utility model;

[0023] Figure 4 yes Figure 3 Enlarged view of point A in the middle.

[0024] Reference numerals:

[0025] 1. Pipe body; 11. Inner tube; 111. Inner rubber layer; 112. Metal braided layer; 113. Outer rubber layer; 12. Wear-resistant strip; 121. Outer skin; 122. Inner metal wire; 123. Connecting strip; 13. Outer covering layer; 14. Reinforcing metal wire; 2. Connecting flange; 3. Connecting hole; 4. Protective sleeve; 5. External protrusion; 6. Joint; 61. Insert pipe; 62. Bump; 63. Bevel. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Please see attached Figures 1 to 4 As shown, a wear-resistant composite rubber hose in an embodiment of the utility model includes a tube body 1, one end of the tube body 1 is fixedly connected to a joint 6, the outer end of the joint 6 extends out of the outer end of the tube body 1 and is fixedly connected to a connecting flange 2, and a protective sleeve 4 is fixedly sleeved on the outer end of the connection between the tube body 1 and the joint 6. The provided protective sleeve 4 can protect the connection between the tube body 1 and the joint 6, improve the mechanical strength of the joint 6, make the pipeline connection more stable and reliable, and also help to better achieve sealing and prevent fluid leakage.

[0028] The pipe body 1 includes an inner pipe 11, the outer surface of which is spirally wound with a wear-resistant strip 12, and the outer surfaces of the inner pipe 11 and the wear-resistant strip 12 are jointly fixedly covered with an outer coating layer 13, and the outer surface of the outer coating layer 13 is spirally wound with two reinforcing wires 14 along the inner concave part. The wear-resistant strip 12 protrudes toward the outer end. When wear occurs, the wear-resistant strip 12 is first borne, thereby protecting the integrity of the inner pipe 11 and playing a wear-resistant effect. After the wear-resistant strip 12 is worn to a certain position, the reinforcing wire 14 is exposed, and the wear is borne by the reinforcing wire 14, thereby further improving the wear resistance, having a strong wear resistance effect and a long service life. Among them, the wear-resistant strip 12 and the reinforcing wire 14 are both spirally wound, which can comprehensively protect the inner pipe 11. In addition, the reinforcing wire 14 is wound around the outer surface of the outer coating layer 13. After the outer coating layer 13 is damaged due to wear, the reinforcing wire 14 can tighten the outer coating layer 13 to prevent it from being delaminated and separated from the inner pipe 11.

[0029] The wear-resistant strip 12 includes an outer skin 121 , and an inner metal wire 122 is fixedly embedded inside the outer skin 121 . The wear-resistant strip 12 is composited by the outer skin 121 and the inner metal wire 122 , and has high strength and strong wear resistance.

[0030] The tube body 1 includes an inner rubber layer 111, the outer side of the inner rubber layer 111 is fixedly covered with a metal braided layer 112, the outer surface of the metal braided layer 112 is fixedly covered with an outer rubber layer 113, the metal braided layer 112 is woven from stainless steel wire, and the tube body 1 composed of rubber and wire is highly flexible, corrosion-resistant and reliable.

[0031] The inner side of the outer skin 121 is fixedly connected with a connecting strip 123, and the connecting strip 123 is fixedly embedded in the inner side of the outer layer of the inner tube 11. Through the setting of the connecting strip 123, the wear-resistant strip 12 can be stably connected to the inner tube 11 and is not prone to slippage.

[0032] The connector 6 includes a plug 61, and a protrusion 62 is fixedly connected to the outer side of the plug 61. The protrusion 62 fits tightly against the inner wall of the tube body 1. The inner side of the inner end of the plug 61 is provided with an oblique opening 63. By providing the protrusion 62, the tightness of the connection between the plug 61 and the tube body 1 can be improved, and the connector 6 is not easily detached. The oblique opening 63 is provided to facilitate the smooth flow of the fluid in the pipeline.

[0033] A plurality of connection holes 3 are evenly spaced apart on the inner periphery of the connection flange 2, and the plurality of reserved connection holes 3 are convenient for connection with other pipelines.

[0034] An outer protrusion 5 is fixedly provided on the inner side of the protective sleeve 4 , and the outer protrusion 5 is tightly fitted with the surface of the tube body 1 . The provided outer protrusion 5 can improve the tightness of the connection between the protective sleeve 4 and the tube body 1 .

[0035] The outer skin 121 is made of polyethylene material, and the inner metal wire 122 and the reinforcing metal wire 14 are both made of stainless steel. The outer skin 121 made of polyethylene material has good elasticity and corrosion resistance, and the inner metal wire 122 and the reinforcing metal wire 14 made of stainless steel are corrosion-resistant, high in strength, have good elasticity, and have strong corrosion resistance.

[0036] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A wear-resistant composite rubber hose, comprising a tube body (1), characterized in that: A joint (6) is fixedly connected to one end of the tube body (1), the outer end of the joint (6) extends out of the outer end of the tube body (1) and is fixedly connected to a connecting flange (2), and a protective sleeve (4) is fixedly sleeved on the outer end of the connection between the tube body (1) and the joint (6); The pipe body (1) comprises an inner pipe (11), the outer surface of the inner pipe (11) is spirally wound with a wear-resistant strip (12), the outer surfaces of the inner pipe (11) and the wear-resistant strip (12) are fixedly coated with an outer coating layer (13), and the outer surface of the outer coating layer (13) is spirally wound along the inner concave part with two reinforcing metal wires (14); The wear-resistant strip (12) comprises an outer skin (121), and an inner metal wire (122) is fixedly embedded inside the outer skin (121).

2. The wear-resistant composite rubber hose according to claim 1, characterized in that: The tube body (1) comprises an inner rubber layer (111), the outer side of the inner rubber layer (111) is fixedly coated with a metal braided layer (112), and the outer surface of the metal braided layer (112) is fixedly coated with an outer rubber layer (113).

3. The wear-resistant composite rubber hose according to claim 2, characterized in that: The metal braided layer (112) is braided from stainless steel wires.

4. The wear-resistant composite rubber hose according to claim 1, characterized in that: A connecting strip (123) is fixedly connected to the inner side of the outer skin (121), and the connecting strip (123) is fixedly embedded in the inner side of the outer layer of the inner tube (11).

5. The wear-resistant composite rubber hose according to claim 1, characterized in that: The joint (6) comprises a plug (61), the outer side of the plug (61) is fixedly connected with a protrusion (62), the protrusion (62) is tightly fitted with the inner wall of the tube body (1), and the inner side of the inner end of the plug (61) is arranged as an oblique opening (63).

6. The wear-resistant composite rubber hose according to claim 1, characterized in that: A plurality of connection holes (3) are evenly spaced apart on the inner periphery of the connection flange (2).

7. The wear-resistant composite rubber hose according to claim 1, characterized in that: An outer protrusion (5) is fixedly provided on the inner side of the protective sleeve (4), and the outer protrusion (5) is tightly fitted with the surface of the tube body (1).

8. The wear-resistant composite rubber hose according to claim 1, characterized in that: The outer skin (121) is made of polyethylene material, and the inner metal wire (122) and the reinforcing metal wire (14) are both made of stainless steel.

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