CN211335576U - Tear-resistant and corrosion-resistant oil-resistant automobile fuel hose - Google Patents
Tear-resistant and corrosion-resistant oil-resistant automobile fuel hose Download PDFInfo
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- CN211335576U CN211335576U CN201921906762.2U CN201921906762U CN211335576U CN 211335576 U CN211335576 U CN 211335576U CN 201921906762 U CN201921906762 U CN 201921906762U CN 211335576 U CN211335576 U CN 211335576U
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Abstract
The utility model discloses a resist tearing corrosion-resistant oil-resistant type car fuel rubber tube, glue film and fuel rubber tube chamber in fuel rubber tube main part, first well glue film, second, the outside portion of fuel rubber tube main part is provided with outer glue film, and the inboard of outer glue film is provided with first well glue film to first well glue film is located steel wire framework's the outside, the inboard of glue film is connected with interior glue film in the second, and the inboard of interior glue film is provided with the fuel rubber tube chamber, one side of steel wire framework is provided with first connector, and steel wire framework's opposite side is provided with the second connector to the side of first connector and second connector all is provided with the back taper. The tear-resistant and corrosion-resistant oil-resistant automobile fuel hose has excellent oil resistance and flame retardance, can be widely applied to cooling systems, fuel systems, refrigerating systems, power systems, braking systems, steering systems, air conditioning systems and the like of various vehicles, and has a very wide market prospect.
Description
Technical Field
The utility model relates to an automobile fuel rubber tube technical field specifically is a tear corrosion-resistant oil-resistant type automobile fuel rubber tube of tearing.
Background
The automobile rubber tube is a rubber hose used for a cooling system, a fuel system, a refrigerating system, a power system, a braking system, a steering system, an air conditioning system and the like on an automobile, and is a main component of an automobile pipeline. The rubber tube is used for transmitting fuel oil, lubricating oil, refrigerant and water to help each subsystem of the automobile to realize the functions. The automobile rubber tube is influenced by various environmental factors when the automobile rubber tube works in a complex working condition for a long time, and has certain requirements on high and low temperature resistance, pressure resistance, weather resistance and corrosivity of transmission liquid although the rubber tube has different purposes. With the rapid development of the automobile industry, the application of rubber tube products in the field of automobile assembly is more and more extensive, and the rubber tube products are expanded to various systems such as hydraulic systems, fuel systems, air conditioners and the like from heat dissipation and braking. The consumption of the bicycle is increased from 5 meters to more than 20 meters. The market capacity of the automobile rubber pipe industry depends on the matching quantity of a whole automobile factory and the supply quantity of a maintenance market. The average sum of the rubber pipes and assemblies used by a single vehicle is 750 yuan according to the average measurement of each vehicle using various rubber pipes by 20 meters. The design technology of the automobile rubber tube is mainly embodied in two aspects of material formula design and complete machine function matching, and due to the complex working condition, the rubber tube must have corrosion resistance, high temperature resistance, flame retardance and fatigue pulse resistance, and simultaneously must be well matched with connecting pieces such as various sensors, valves, water distributors and the like, and the size of the automobile rubber tube also needs to meet the requirement of the space size of a vehicle.
However, the existing automobile fuel hose is a key factor for guaranteeing the sealing performance of a system during pressure transmission or pressure transfer under high-pressure and high-temperature conditions, creep deformation is easily caused after thermal aging, oil leakage can be caused when a hose joint is under high-pressure and high-temperature high-pulse conditions, the sealing effect is lost, the elongation rate is reduced due to the thermal aging effect, the inner rubber layer of the hose can be broken in the small bending radius and dynamic use process, and the transmitted liquid medium is leaked.
Disclosure of Invention
An object of the utility model is to provide a resist tearing corrosion-resistant oil-resistant type car fuel rubber tube, with the current car fuel rubber tube that proposes in solving above-mentioned background art, guarantee system sealing performance's key factor when carrying or transmitting pressure under high pressure high temperature condition, creep is aroused easily after its thermal ageing, can make rubber tube joint be in the oil impregnate under the high pulse condition of high pressure high temperature, lose sealing effect, the thermal ageing effect arouses the elongation to descend, can make the rubber tube inner rubber layer produce the fracture in little bend radius and dynamic use, leak the problem of the liquid medium of transmission.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tear corrosion-resistant oil-resistant type car fuel rubber tube of tearing, glue film and fuel rubber tube chamber in fuel rubber tube main part, first well glue film, second, the outside portion of fuel rubber tube main part is provided with outer glue film, and the inboard of outer glue film is provided with first well glue film to glue film is located steel wire framework's the outside in first, and glue film is connected in steel wire framework's inboard and the second simultaneously, the inboard of glue film is connected with interior glue film in the second, and the inboard of interior glue film is provided with fuel rubber tube chamber, one side of steel wire framework is provided with first connector, and steel wire framework's opposite side is provided with the second connector to the side of first connector and second connector all is provided with the back taper face.
Preferably, the material of outer glue film is Hydrogenated Nitrile Butadiene Rubber (HNBR), and the thickness scope of outer glue film is 0.5-3 mm.
Preferably, the first middle rubber layer and the second middle rubber layer are respectively located on two sides of the steel wire framework, and the first middle rubber layer and the second middle rubber layer are both made of environment-friendly liquid nitrile rubber.
Preferably, the two side faces of the steel wire framework are uniformly distributed with a first connector and a second connector, and the first connector and the second connector are welded with the steel wire framework.
Preferably, the inner rubber layer is made of zinc methacrylate reinforced hydrogenated nitrile rubber, and the thickness range of the inner rubber layer is 0.3-3 mm.
Preferably, the shape structure of first connector and second connector is the toper structure, and first connector and second connector all are mutually perpendicular with the steel wire framework.
Compared with the prior art, the beneficial effects of the utility model are that: according to the tear-resistant corrosion-resistant oil-resistant automobile fuel hose, zinc methacrylate (ZDMA) reinforced hydrogenated nitrile rubber is selected, and an imported steel wire knitting machine is selected to knit flat skeleton steel wires, so that the oil-resistant automobile fuel hose is developed, and the project product has excellent oil resistance and flame retardance, can be widely applied to cooling systems, fuel systems, refrigeration systems, power systems, braking systems, steering systems, air conditioning systems and the like of various vehicles, and has a very wide market prospect;
1. in order to further improve the tear resistance, the compression permanent deformation, the strength and the chemical medium resistance of the inner rubber layer rubber material, zinc methacrylate is adopted to reinforce the hydrogenated nitrile rubber, because the HNBR rubber material filled with the zinc methacrylate has high modulus, high strength, high tear resistance, high wear resistance, high heat resistance and organic solvent resistance, light-color products of the HNBR rubber material have bright color, excellent dynamic performance and good adhesion performance;
2. in order to further improve the aging resistance, the yield resistance and the ozone aging resistance of the outer rubber layer rubber material, an anti-aging agent MC 445/2246/an ultraviolet absorber UV531 is adopted in the item, in order to improve the adhesion between the outer rubber layer rubber material and a steel wire framework, environment-friendly liquid nitrile rubber is selected for the item tackifying system, the filling reinforcing agent is selected to be the same as the inner rubber layer and is white carbon black, and in order to ensure the synchronism of the vulcanization process, the odorless DCP/HVA-2 is still selected and used in the item vulcanization system.
Drawings
FIG. 1 is a schematic view of the cross-sectional structure of the fuel hose body of the present invention;
FIG. 2 is a schematic view of the top view structure of the steel wire framework of the present invention;
fig. 3 is the utility model discloses the steel wire framework looks sideways at the structural schematic diagram.
In the figure: 1. a fuel hose body; 2. an outer adhesive layer; 3. a first middle glue layer; 4. a steel wire framework; 5. a second middle glue layer; 6. an inner glue layer; 7. a fuel glue tube cavity; 8. a first connector; 9. a second connector; 10. and (5) an inverted conical surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an anti-tear corrosion-resistant oil-resistant automobile fuel hose comprises a fuel hose main body 1, an outer rubber layer 2, a first middle rubber layer 3, a steel wire framework 4, a second middle rubber layer 5, an inner rubber layer 6, a fuel hose cavity 7, a first connector 8, a second connector 9 and an inverted conical surface 10, wherein the outer rubber layer 2 is arranged at the outer side part of the fuel hose main body 1, the first middle rubber layer 3 is arranged at the inner side of the outer rubber layer 2, the first middle glue layer 3 is positioned at the outer side of the steel wire framework 4, the inner side of the steel wire framework 4 is connected with the second middle glue layer 5, the inner side of the second middle glue layer 5 is connected with the inner glue layer 6, and the inner side of the inner rubber layer 6 is provided with a fuel rubber pipe cavity 7, one side of the steel wire framework 4 is provided with a first connecting head 8, and the other side of the steel wire framework 4 is provided with a second connector 9, and the side edges of the first connector 8 and the second connector 9 are both provided with inverted conical surfaces 10.
The outer rubber layer 2 is made of Hydrogenated Nitrile Butadiene Rubber (HNBR), the thickness range of the outer rubber layer 2 is 0.5-3mm, the hydrogenated nitrile butadiene rubber HNBR is still selected as raw rubber of the outer rubber layer 2 on the basis of ensuring the consistency of the fuel rubber hose body 1, and the usage amount of zinc methacrylate is increased (increased to 15 parts) for further improving the wear resistance and the aging resistance.
The both sides face evenly distributed of steel wire framework 4 has first connector 8 and second connector 9, and is welded connection between first connector 8 and second connector 9 and the steel wire framework 4, sets up the area of contact between multiplicable steel wire framework 4 and first glue film 3 and the glue film 5 in the second like this, and then closely bonds between messenger's outer glue film 2, steel wire framework 4 and the interior glue film 6.
The inner rubber layer 6 is made of zinc methacrylate reinforced hydrogenated nitrile rubber, the thickness range of the inner rubber layer 6 is 0.3-3mm, and the hydrogenated nitrile rubber is selected as the main rubber material of the inner rubber layer 6, because the hydrogenated nitrile rubber has excellent oil resistance, thermal-oxidative aging resistance, ozone aging resistance, chemical resistance, high and low temperature resistance and a wider working temperature range, the brittleness temperature can reach-55 ℃, and the product can be used for a long time at the high temperature of 160 ℃.
The shape structure of first connector 8 and second connector 9 is the toper structure, and first connector 8 and second connector 9 all are mutually perpendicular with steel wire framework 4, set up like this and are favorable to first connector 8 and second connector 9 fixed on steel wire framework 4.
The working principle is as follows: the anti-tear and anti-corrosion oil-resistant automobile fuel hose has the advantages that the outer rubber layer 2 is made of hydrogenated nitrile butadiene rubber HNBR, the wear resistance and the aging resistance of the fuel hose main body 1 can be further improved, the zinc methacrylate consumption is increased (namely increased to 15 parts), the first middle rubber layer 3 and the second middle rubber layer 5 are made of environment-friendly liquid nitrile butadiene rubber, the adhesion among the outer rubber layer 2, the steel wire framework 4 and the inner rubber layer 6 can be increased, the inner rubber layer 6 is made of zinc methacrylate reinforced hydrogenated nitrile butadiene rubber, so that the fuel hose cavity 7 has high modulus, high strength, high tearing resistance, high wear resistance, high heat resistance and organic solvent resistance, the zinc methacrylate reinforced hydrogenated nitrile butadiene rubber product has bright color, excellent dynamic performance and good adhesion performance, an imported steel wire knitting machine is selected to weave the flat steel wire framework 4, the tear resistance of the fuel hose main body 1 can be improved, the structure stability of the high fuel oil rubber pipe main body 1 is guaranteed, the inverted cone-shaped first connecting head 8 and the inverted cone-shaped second connecting head 9 on the two sides of the steel wire framework 4 can increase the contact of the steel wire framework 4 and the first middle rubber layer 3 and the second middle rubber layer 5, and the outer rubber layer 2, the steel wire framework 4 and the inner rubber layer 6 are prevented from being split, so that a series of operations of the tear-resistant corrosion-resistant oil-resistant automobile fuel oil rubber pipe can be completed.
It will be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for simplicity of description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the scope of the present invention.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a tear corrosion resistant oil-resistant type car fuel rubber tube of tearing, includes fuel rubber tube main part (1), glue film (3) in first, glue film (5) and fuel rubber tube chamber (7) in the second, its characterized in that: the outer side portion of fuel rubber pipe main part (1) is provided with outer glue film (2), and the inboard of outer glue film (2) is provided with first well glue film (3) to first well glue film (3) are located the outside of steel wire framework (4), and the inboard of steel wire framework (4) is connected with glue film (5) in the second simultaneously, the inboard of glue film (5) is connected with interior glue film (6) in the second, and the inboard of interior glue film (6) is provided with fuel rubber tube chamber (7), one side of steel wire framework (4) is provided with first connector (8), and the opposite side of steel wire framework (4) is provided with second connector (9) to the side of first connector (8) and second connector (9) all is provided with back taper face (10).
2. The tear-resistant corrosion-resistant oil-resistant automobile fuel hose according to claim 1, which is characterized in that: the material of outer glue film (2) is Hydrogenated Nitrile Butadiene Rubber (HNBR), and the thickness scope of outer glue film (2) is 0.5-3 mm.
3. The tear-resistant corrosion-resistant oil-resistant automobile fuel hose according to claim 1, which is characterized in that: the first middle rubber layer (3) and the second middle rubber layer (5) are respectively located on two sides of the steel wire framework (4), and the first middle rubber layer (3) and the second middle rubber layer (5) are both made of environment-friendly liquid nitrile rubber.
4. The tear-resistant corrosion-resistant oil-resistant automobile fuel hose according to claim 1, which is characterized in that: the steel wire framework is characterized in that a first connector (8) and a second connector (9) are uniformly distributed on two side faces of the steel wire framework (4), and the first connector (8) and the second connector (9) are connected with the steel wire framework (4) in a welding mode.
5. The tear-resistant corrosion-resistant oil-resistant automobile fuel hose according to claim 1, which is characterized in that: the inner rubber layer (6) is made of zinc methacrylate reinforced hydrogenated nitrile rubber, and the thickness range of the inner rubber layer (6) is 0.3-3 mm.
6. The tear-resistant corrosion-resistant oil-resistant automobile fuel hose according to claim 1, which is characterized in that: the shape structure of first connector (8) and second connector (9) is the toper structure, and just first connector (8) and second connector (9) all are mutually perpendicular with steel skeleton (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921906762.2U CN211335576U (en) | 2019-11-07 | 2019-11-07 | Tear-resistant and corrosion-resistant oil-resistant automobile fuel hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921906762.2U CN211335576U (en) | 2019-11-07 | 2019-11-07 | Tear-resistant and corrosion-resistant oil-resistant automobile fuel hose |
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| CN211335576U true CN211335576U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921906762.2U Active CN211335576U (en) | 2019-11-07 | 2019-11-07 | Tear-resistant and corrosion-resistant oil-resistant automobile fuel hose |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998144A (en) * | 2020-09-14 | 2020-11-27 | 河北西伯力特种橡胶有限公司 | Oil-resistant and flame-retardant high-pressure steel wire woven integrated rubber tube |
-
2019
- 2019-11-07 CN CN201921906762.2U patent/CN211335576U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998144A (en) * | 2020-09-14 | 2020-11-27 | 河北西伯力特种橡胶有限公司 | Oil-resistant and flame-retardant high-pressure steel wire woven integrated rubber tube |
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