CN204493931U - A kind of nylon hybrid fuel pipe - Google Patents
A kind of nylon hybrid fuel pipe Download PDFInfo
- Publication number
- CN204493931U CN204493931U CN201520162583.8U CN201520162583U CN204493931U CN 204493931 U CN204493931 U CN 204493931U CN 201520162583 U CN201520162583 U CN 201520162583U CN 204493931 U CN204493931 U CN 204493931U
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- fuel pipe
- hybrid fuel
- adhesive layer
- nylon
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Abstract
The utility model discloses a kind of nylon hybrid fuel pipe; comprise internal layer, barrier layer and skin; it is characterized in that; internal layer is connected with barrier layer by the first adhesive layer from the inside to the outside; barrier layer is connected with skin by the second adhesive layer again, is enclosed with protective layer in outer field surface coverage, and internal layer adopts nylon material to make; protective layer adopts rubber material to make, and internal layer, the first adhesive layer, barrier layer, the second adhesive layer, skin and protective layer are multi-layered composite pipe by co-extrusion once-through.Nylon hybrid fuel pipe described in the utility model has high-low temperature resistant, and bearing capacity is high, damping; absorption of noise; resistance to weather is good, ozone-resistant, the excellent properties such as rub resistance; not yielding; steady quality is reliable, ensures the trouble free service of fuel conduit, without the need to increasing sheath; assemble easy, general protection is carried out to nylon hybrid fuel pipe.
Description
Technical field
The utility model relates to plastic tube, particularly relates to a kind of nylon hybrid fuel pipe.
Background technique
Fuel pipe is the important safety component of automobile, high to the performance requirement of its material, and the inner layer material of fuel pipe needs to select fuel-resistant medium and good heat resistance; Cladding material then needs to select heat-resisting, resistance to ozone, resistance to environmetal impact and the material good with inner layer material stickiness.Automotive electric injection engine fuel system pressure improves, and is not only motor own temperature and raises, and ambient temperature is also increased; In addition with the addition of oxidized compound etc. in fuel component.High temperature, acidifying and high-pressure trend is shown as in oil-fired system, very harsh to the life requirement of fuel pipe.Current fuel pipe is usually in its subassembly spiral sheath; prevent wearing and tearing; protection hose main body; the not consolidation but sheath is fitted; the situation such as easily occur getting loose does not have the effect of protection; and also easily occur interfering thus damaging flexible pipe in assembling using process, have a strong impact on the working life of flexible pipe.
Model utility content
The technical assignment of technical problem to be solved in the utility model and proposition improves prior art, a kind of nylon hybrid fuel pipe is provided, solve fuel pipe traditional in current technology to need to install additional sheath and prevent wearing and tearing, difficulty is installed, manufacturing efficiency is low, easily get loose, also easily damage the problem of fuel pipe.
For solving above technical problem, the technical solution of the utility model is:
A kind of nylon hybrid fuel pipe; comprise internal layer, barrier layer and skin; it is characterized in that; internal layer is connected with barrier layer by the first adhesive layer from the inside to the outside; barrier layer is connected with skin by the second adhesive layer again, is enclosed with protective layer in outer field surface coverage, and internal layer adopts nylon material to make; protective layer adopts rubber material to make, and internal layer, the first adhesive layer, barrier layer, the second adhesive layer, skin and protective layer are multi-layered composite pipe by co-extrusion once-through.
Nylon hybrid fuel pipe described in the utility model adopts nylon material at internal layer, and ductility, chemical stability, oil resistance, wear resistance are all better, and good stability of the dimension, can bear high temperature low temperature, meet the demand used.Adopt rubber material to make at the protective layer of appearance simultaneously; utilize the high-elastic characteristic of rubber; absorption of noise, damping vibration, heat insulation, resistance to weather, ozone-resistant, antifriction etc.; efficiently solve flexible pipe damping and shielding noise; ensure the trouble free service of fuel hose, without the need to installing sheath additional again, more compact structure; assembling is simple, and fuel pipe is not fragile.
Further, described internal layer and outer polyamide 12 are made, and water absorption rate is low, good stability of the dimension, and ductility, oil resistance, wear resistance are all better, and belong to self-extinguishing, have good impact resistance and chemical stability.
Further, described barrier layer adopts ethylene-vinyl alcohol copolymer to make, ethylene-vinyl alcohol copolymer has excellent iris action to gas, fuel, solvent etc., good thermal stability, there is higher mechanical strength, elasticity, surface hardness, wear resistance and weathering resistance, and have good antistatic behaviour, can effectively improve impermeable effect.
Further, the first described adhesive layer and the second adhesive layer adopt polyamide modified material to make, there is the combination properties such as good mechanical property, heat resistance, wearability, chemical proofing and self lubricity, and friction factor is low, there is certain flame retarding, be easy to processing, can be good at being bonded together with internal layer, skin and barrier layer, prevent from peeling off.
Further; described protective layer adopts heat-resisting ethylene propylene diene rubber, methyl vinyl silicone rubber; oil resistant ethylene ethyl acetate rubber, acrylate rubber one are wherein made; preferred employing ethylene propylene diene rubber and oil resistant ethylene ethyl acetate rubber; its resistance to ozone, the excellent properties such as heat-resisting, weather-proof, have resistance to polar solvent and chemicals, water absorption rate is low; there is good insulation characterisitic, play a good protection.
Further, described protective layer adopts foaming type or compact-type, and thickness is 0.1 ~ 2.5mm, the preferred 1.5mm-2.0mm of foaming type, the preferred 0.5mm-1.0mm of compact-type.
Compared with prior art, the utility model advantage is:
Nylon hybrid fuel pipe described in the utility model has high-low temperature resistant, and bearing capacity is high, damping, absorption of noise, resistance to weather is good, ozone-resistant, the excellent properties such as rub resistance, not yielding, steady quality is reliable, ensures the trouble free service of fuel conduit, without the need to increasing sheath, assemble easy, be not only suitable for the oil inlet and oil return flexible pipe and tank filler tube etc. of fuel system of automobile, also lead to the fields such as machine for motorcycle and non-rice habitats;
The utility model is simple and compact for structure, easy to make, cost is low, and manufacturing efficiency is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of nylon hybrid fuel pipe disclosed in the utility model embodiment, high-low temperature resistant, impermeabilisation, rub resistance, anti-pulse, absorption of noise, damping, ensures the trouble free service of fuel conduit, improves safety in utilization.
As shown in Figure 1, a kind of nylon hybrid fuel pipe, comprise internal layer 1, barrier layer 2 and outer 3, internal layer 1 is connected with barrier layer 2 by the first adhesive layer 4 from the inside to the outside, barrier layer 2 is connected with outer 3 by the second adhesive layer 5 again, protective layer 6 is enclosed with in the surface coverage of outer 3, internal layer 1 adopts nylon material to make, preferably internal layer 1 and outer polyamide 12 are made, barrier layer 2 adopts ethylene-vinyl alcohol copolymer to make, first adhesive layer 4 and the second adhesive layer 5 adopt polyamide modified material to make, protective layer 6 adopts rubber material to make, rubber material can select heat-resisting ethylene propylene diene rubber, methyl vinyl silicone rubber, the ethylene ethyl acetate rubber of oil resistant, acrylate rubber one wherein, preferred employing ethylene propylene diene rubber and oil resistant ethylene ethyl acetate rubber, internal layer 1, first adhesive layer 4, barrier layer 2, second adhesive layer 5, skin 3 and protective layer 6 are multi-layered composite pipe by co-extrusion once-through.
Protective layer 6 adopts foaming type or compact-type, and thickness is 0.1 ~ 2.5mm, the preferred 1.5mm-2.0mm of foaming type, the preferred 0.5mm-1.0mm of compact-type.
Below be only preferred implementation of the present utility model, it should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model, protection domain of the present utility model should be as the criterion with claim limited range.For those skilled in the art, not departing from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a nylon hybrid fuel pipe, comprise internal layer (1), barrier layer (2) and outer (3), it is characterized in that, internal layer (1) is connected with barrier layer (2) by the first adhesive layer (4) from the inside to the outside, barrier layer (2) is connected with outer (3) by the second adhesive layer (5) again, protective layer (6) is enclosed with in the surface coverage of outer (3), internal layer (1) adopts nylon material to make, protective layer (6) adopts rubber material to make, internal layer (1), first adhesive layer (4), barrier layer (2), second adhesive layer (5), outer (3) and protective layer (6) are multi-layered composite pipe by co-extrusion once-through.
2. nylon hybrid fuel pipe according to claim 1, is characterized in that, described internal layer (1) and outer polyamide 12 are made.
3. nylon hybrid fuel pipe according to claim 1, is characterized in that, described barrier layer (2) adopts ethylene-vinyl alcohol copolymer to make.
4. nylon hybrid fuel pipe according to claim 1, is characterized in that, described the first adhesive layer (4) and the second adhesive layer (5) adopt polyamide modified material to make.
5. nylon hybrid fuel pipe according to claim 1; it is characterized in that; described protective layer (6) adopts heat-resisting ethylene propylene diene rubber, methyl vinyl silicone rubber, and oil resistant ethylene ethyl acetate rubber, acrylate rubber one are wherein made.
6. nylon hybrid fuel pipe according to claim 5, is characterized in that, described protective layer (6) adopts foaming type or compact-type, and thickness is 0.1 ~ 2.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520162583.8U CN204493931U (en) | 2015-03-20 | 2015-03-20 | A kind of nylon hybrid fuel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520162583.8U CN204493931U (en) | 2015-03-20 | 2015-03-20 | A kind of nylon hybrid fuel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204493931U true CN204493931U (en) | 2015-07-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520162583.8U Active CN204493931U (en) | 2015-03-20 | 2015-03-20 | A kind of nylon hybrid fuel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204493931U (en) |
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2015
- 2015-03-20 CN CN201520162583.8U patent/CN204493931U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |