Rubber hose for refueling and oil unloading of airplane

Abstract

The rubber hose comprises an oil pipe body, a framework layer is arranged in the oil pipe body, a flame-retardant layer is connected to the outer side of the framework layer, a protective layer is arranged on the outer side of the flame-retardant layer, protruding strips are wound on the outer side of the protective layer in an S-shaped structure, and metal wires are arranged in the protruding strips. The oil pipe has the advantages that the protruding strips and the metal wires are arranged, in the rolling and winding process of the oil pipe body, the protruding strips can convert original surface contact into line contact, the contact area can be reduced, meanwhile, the built-in metal wires and the protruding strips can form a supporting mechanism, extrusion between the oil pipe bodies is avoided, the protective layer is effectively protected, and the service life of the oil pipe is prolonged. Abrasion is avoided, and the service life and the using effect of the oil pipe body are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber hoses, and particularly relates to a rubber hose for aircraft refueling and oil unloading. Background Art

[0002] The rubber hose is a steel wire braided hose. The hose consists of an inner rubber layer, a layer of steel wire braided layer and an outer rubber layer. It is suitable for transporting hydraulic fluids such as alcohols, fuels, lubricating oils, emulsions, etc.

[0003] The existing rubber hoses for aircraft refueling and oil unloading are mostly wound around the oil pipe machine during use. During the winding process, extrusion friction is bound to occur. As the use time increases, the protective box on the outer side of the oil pipe is extremely easy to be worn out, resulting in its inability to protect the internal structure of the oil pipe and affecting its service life. Therefore, there is an urgent need for a rubber hose for aircraft refueling and oil unloading to solve the above problems. Summary of the Invention

[0004] (I) Technical Problems to be Solved

[0005] The technical problem to be solved by the utility model is to provide a rubber hose for aircraft refueling and oil unloading that can avoid abrasion of the protective layer, has good use effect and long service life, aiming at the current situation of the existing technology.

[0006] (II) Technical Solutions

[0007] The utility model is realized by the following technical solutions: The utility model provides a rubber hose for aircraft refueling and oil unloading, which includes an oil pipe body. A skeleton layer is arranged inside the oil pipe body. A flame retardant layer is connected to the outside of the skeleton layer. A protective layer is arranged on the outside of the flame retardant layer. A convex strip is wound around the outside of the protective layer in a serpentine structure. A metal wire is arranged inside the convex strip.

[0008] Furthermore, the skeleton layer is composed of reinforcing fibers and is embedded in the oil pipe body.

[0009] By adopting the above technical solution, the skeleton layer can support the whole oil pipe body.

[0010] Furthermore, an inner rubber layer is adhered to the inside of the skeleton layer, and the inner rubber layer is composed of mixed rubber.

[0011] By adopting the above technical solution, the inner rubber layer can transport oil products.

[0012] Furthermore, an anti-corrosion layer is adhered to the inner wall of the inner rubber layer, and the anti-corrosion layer is composed of anti-corrosion materials.

[0013] By adopting the above technical solution, the anti-corrosion layer can improve the corrosion resistance of the oil pipe body.

[0014] Furthermore, the flame retardant layer is bonded to the outside of the skeleton layer, and the flame retardant layer is made of a flame retardant material with a relatively high flame retardant coefficient.

[0015] By adopting the above technical solution, the flame retardant layer can ensure the flame retardant performance of the oil pipe body.

[0016] Furthermore, the protective layer is bonded to the outside of the flame retardant layer, and the material of the protective layer is rubber.

[0017] By adopting the above technical solution, the protective layer can protect the oil pipe body.

[0018] Furthermore, the convex strip is bonded to the outside of the protective layer, the metal wire is embedded in the convex strip, and the material of the convex strip is polyurethane.

[0019] By adopting the above technical solution, during the winding process of the oil pipe body, the convex strip can change the original surface contact into line contact, reduce the contact area, and at the same time, the built-in metal wire and the convex strip can form a support mechanism to prevent extrusion between the oil pipe bodies, thereby effectively protecting the protective layer, avoiding wear, and ensuring the service life and use effect of the oil pipe body.

[0020] (III) Beneficial effects

[0021] The utility model has the following beneficial effects compared with the prior art:

[0022] To solve the problem that the rubber hoses for aircraft refueling and oil unloading in the prior art are mostly wound on the oil pipe machine during use, and the extrusion friction is bound to occur during the winding process. As the use time increases, the protective box on the outside of the oil pipe is extremely easy to be worn out, resulting in its inability to protect the internal structure of the oil pipe and affecting its service life. The utility model sets convex strips and metal wires. During the winding process of the oil pipe body, the convex strips can change the original surface contact into line contact, reduce the contact area, and at the same time, the built-in metal wire and the convex strip can form a support mechanism to prevent extrusion between the oil pipe bodies, thereby effectively protecting the protective layer, avoiding wear, and ensuring the service life and use effect of the oil pipe body. Brief description of the drawings

[0023] Figure 1 is a schematic structural diagram of a rubber hose for aircraft refueling and oil unloading according to the utility model;

[0024] Figure 2 is a schematic internal structure diagram of the oil pipe body of a rubber hose for aircraft refueling and oil unloading according to the utility model;

[0025] Figure 3It is the main sectional view of the rib in the oil pipe body of a rubber hose for aircraft refueling and oil unloading described in the present utility model.

[0026] The description of the reference numerals in the drawings is as follows:

[0027] 1. Oil pipe body; 2. Rib; 3. Protective layer; 4. Flame retardant layer; 5. Skeleton layer; 6. Inner rubber layer; 7. Anticorrosion layer; 8. Metal wire. Specific embodiments

[0028] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0029] As Figures 1 - 3 shown, a rubber hose for aircraft refueling and oil unloading in this embodiment includes an oil pipe body 1. A skeleton layer 5 is arranged inside the oil pipe body 1. The skeleton layer 5 can support the whole oil pipe body 1. A flame retardant layer 4 is connected to the outside of the skeleton layer 5. The flame retardant layer 4 can ensure the flame retardant performance of the oil pipe body 1. A protective layer 3 is arranged on the outside of the flame retardant layer 4. The protective layer 3 can protect the oil pipe body 1. A rib 2 is wound around the outside of the protective layer 3 in a snake-like structure. A metal wire 8 is arranged inside the rib 2. During the winding process of the oil pipe body 1, the rib 2 can change the original surface contact into line contact, which can reduce the contact area. At the same time, the built-in metal wire 8 and the rib 2 can form a support mechanism to prevent extrusion between the oil pipe bodies 1, thereby effectively protecting the protective layer 3 and preventing it from being worn, ensuring the service life and use effect of the oil pipe body 1.

[0030] As Figures 1 - 3 shown, in this embodiment, the skeleton layer 5 is composed of reinforcing fibers. The skeleton layer 5 is embedded in the oil pipe body 1. An inner rubber layer 6 is adhered to the inside of the skeleton layer 5. The inner rubber layer 6 is composed of mixed rubber. The inner rubber layer 6 can transport oil products. An anticorrosion layer 7 is adhered to the inner wall of the inner rubber layer 6. The anticorrosion layer 7 is composed of anticorrosion materials. The anticorrosion layer 7 can improve the corrosion resistance of the oil pipe body 1.

[0031] As Figures 1 - 3 shown, in this embodiment, the flame retardant layer 4 is adhered to the outside of the skeleton layer 5. The flame retardant layer 4 is made of a flame retardant material with a relatively high flame retardant coefficient. The protective layer 3 is adhered to the outside of the flame retardant layer 4. The material of the protective layer 3 is rubber. The rib 2 is adhered to the outside of the protective layer 3. The metal wire 8 is embedded in the rib 2. The material of the rib 2 is polyurethane.

[0032] The specific implementation process of this embodiment is as follows: During use, the oil pipe body 1 is connected and installed. During the use process, the skeleton layer 5 can support the whole oil pipe body 11, the flame retardant layer 4 can ensure the flame retardant performance of the oil pipe body 1, the protective layer 3 can protect the oil pipe body 1, and the anti-corrosion layer 7 can improve the corrosion resistance of the oil pipe body 1. During the winding process of the oil pipe body 1, the convex strip 2 can change the original surface contact into line contact, reduce the contact area. At the same time, the built-in metal wire 8 and the convex strip 2 can form a support mechanism to prevent extrusion between the oil pipe bodies 1, thereby effectively protecting the protective layer 3 from wear, ensuring the service life and use effect of the oil pipe body 1.

[0033] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A rubber hose for aircraft refueling and defueling, characterized in that: It includes a tubing body (1), a skeleton layer (5) is arranged inside the tubing body (1), a flame retardant layer (4) is connected to the outside of the skeleton layer (5), a protective layer (3) is arranged on the outside of the flame retardant layer (4), a rib (2) is wound around the outside of the protective layer (3) in a serpentine structure, and a metal wire (8) is arranged inside the rib (2).

2. The rubber hose for aircraft refueling and defueling according to claim 1, wherein: The skeleton layer (5) is composed of reinforcing fibers and is embedded in the tubing body (1).

3. A rubber hose for aircraft refueling and defueling according to claim 1, characterized in that: An inner rubber layer (6) is adhered inside the skeleton layer (5), and the inner rubber layer (6) is composed of a mixed rubber.

4. The rubber hose for aircraft refueling and defueling according to claim 3, wherein: An anti-corrosion layer (7) is adhered to the inner wall of the inner rubber layer (6), and the anti-corrosion layer (7) is made of an anti-corrosion material.

5. A rubber hose for aircraft refueling and defueling according to claim 4, characterized in that: The flame retardant layer (4) is adhered to the outside of the skeleton layer (5) and is made of a flame retardant material with a relatively high flame retardancy coefficient.

6. The rubber hose for aircraft refueling and oil unloading according to claim 5, wherein: The protective layer (3) is adhered to the outside of the flame retardant layer (4), and the material of the protective layer (3) is rubber.

7. The rubber hose for aircraft refueling and defueling according to claim 6, characterized in that: The rib (2) is adhered to the outside of the protective layer (3), the metal wire (8) is embedded in the rib (2), and the material of the rib (2) is polyurethane.

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