CN208518798U - Fuel pipe and automobile - Google Patents
Fuel pipe and automobile Download PDFInfo
- Publication number
- CN208518798U CN208518798U CN201820615574.3U CN201820615574U CN208518798U CN 208518798 U CN208518798 U CN 208518798U CN 201820615574 U CN201820615574 U CN 201820615574U CN 208518798 U CN208518798 U CN 208518798U
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- fuel pipe
- protective jacket
- tube body
- layer
- thermal insulation
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model provides a kind of fuel pipe, the fuel pipe includes tube body and the protective jacket that is set in outside the tube body, the protective jacket includes thermal insulation layer and erosion resistant coating, the erosion resistant coating is set in outside the thermal insulation layer and is adjacent to the outer wall of the thermal insulation layer, and the thermal insulation layer is set in outside the tube body and is adjacent to the outer wall of the tube body.The fuel pipe of the utility model has high temperature resistant and corrosion resistance, is not susceptible to deform in high temperature and the environment of corrosive exhaust gases, avoids occurring oil leak danger on fire, reliability and highly-safe.The utility model additionally provides a kind of automobile comprising above-mentioned fuel pipe.
Description
Technical field
The utility model relates to automobile technical field, in particular to a kind of fuel pipe and automobile.
Background technique
Many automobile engines use turbocharging and EGR technology at present, and temperature in enging cabin is caused to increase, and
There are the risks that corrosive exhaust gases are leaked from EGR ring flange, and then make the fuel pipe in enging cabin by high temperature and gas attack
After deform, be easy to happen oil leak danger on fire.
Utility model content
Based on this, the purpose of the utility model is to provide a kind of fuel pipe and automobiles, gentle by high temperature to solve fuel pipe
Body corrosion-deformation and the problem for easily causing oil leak on fire.
To achieve the goals above, fuel pipe provided by the utility model includes tube body and is set in anti-outside the tube body
Sheath, the protective jacket include thermal insulation layer and erosion resistant coating, the erosion resistant coating be set in the thermal insulation layer it is outer and with the thermal insulation layer
Outer wall be adjacent to, it is outer and be adjacent to the outer wall of the tube body that the thermal insulation layer is set in the tube body.
The thermal insulation layer of the utility model protective jacket is adjacent on the outer wall of tube body, plays heat-blocking action, has fuel pipe
Performance resistant to high temperature, and the erosion resistant coating of protective jacket plays antisepsis, and tube body and thermal insulation layer is protected not to be corroded, and has fuel pipe
There is corrosion resistance.The utility model fuel pipe has high temperature resistant and corrosion resistance, in the environment of high temperature and corrosive exhaust gases
In be not susceptible to deform, avoid occurring oil leak danger on fire, reliability and highly-safe.
Further, the thermal insulation layer is fiberglass braided layer, and the erosion resistant coating is layer of aluminum foil.
Further, the protective jacket with a thickness of 1mm-1.5mm, the layer of aluminum foil with a thickness of 0.05mm-
0.2mm, the fiberglass braided layer with a thickness of 0.8-1.45mm.
Further, the protective jacket with a thickness of 1mm, the aluminium foil with a thickness of 0.05mm-0.1mm, the glass
Glass fiber braiding layer with a thickness of 0.9mm-0.95mm.
Further, the layer of aluminum foil is adhered to outside the fiberglass braided layer.
Further, the protective jacket is seamless tubular shaped structure.
Further, the protective jacket is seamed tubular structure, and the erosion resistant coating is equipped with adhesive area and sticks on the glue
Release paper in viscous area.
Further, the fuel pipe further includes two erection joints, and two erection joints respectively correspond setting and exist
The both ends of the tube body, the erection joint are detachably connected with the tube body.
Further, identification piece is provided in the erection joint, the identification piece is for identifying the erection joint
Model.
Utility model also provides a kind of automobile, and the automobile includes engine, fuel tank and combustion as described in any one of the above embodiments
Oil pipe, one end of the fuel pipe connect the engine, and the other end of the fuel pipe connects the fuel tank, the protective jacket
It is arranged close to the engine.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model one embodiment intermediate fuel oil pipe；
Fig. 2 is the schematic cross-section being arranged at protective jacket on Fig. 1 intermediate fuel oil pipe.
Main element symbol description:
| Tube body | 1 | Erosion resistant coating | 22 |
| Protective jacket | 2 | Erection joint | 3 |
| Thermal insulation layer | 21 |
The following detailed description will be further explained with reference to the above drawings the utility model.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.Several embodiments of the utility model are given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes to the utility model
Disclosure is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixedly arranged on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
Fig. 1 and Fig. 2 are please referred to, the fuel pipe in the utility model one embodiment includes tube body 1 and is set in the pipe
Protective jacket 2 outside body 1, the protective jacket 2 include thermal insulation layer 21 and erosion resistant coating 22, and the erosion resistant coating 22 is set in the thermal insulation layer
It is adjacent to outside 21 and with the outer wall of the thermal insulation layer 21, it is outer and outer with the tube body 1 that the thermal insulation layer 21 is set in the tube body 1
Wall is adjacent to.
Specifically, protective jacket 2 includes internal layer and outer layer, and internal layer is thermal insulation layer 21, and outer layer is erosion resistant coating 22, and thermal insulation layer 21 pastes
Tightly on the outer wall of tube body 1, heat-blocking action is played, has the performance of high temperature resistance fuel pipe, and erosion resistant coating 22 plays anti-corrosion work
With, protect tube body 1 and thermal insulation layer 21 not to be corroded, make fuel pipe have corrosion resistance.The fuel pipe of the present embodiment has resistance to
High temperature and corrosion resistance are not susceptible to deform in high temperature and the environment of corrosive exhaust gases, avoid that oil leak danger on fire occurs
Danger, reliability and highly-safe.
In the present embodiment, the thermal insulation layer 21 is fiberglass braided layer, and the erosion resistant coating 22 is layer of aluminum foil.This implementation
Example the fiberglass braided layer can be used it is in the prior art it is fiberglass braided form, fiberglass braided layer have it is resistance to
Mill and heat-insulated effect.The embodiment of the present invention erosion resistant coating 22 can be used aluminium foil in the prior art and be made, and aluminium foil has
Moisture-proof, airtight, shading and the characteristics such as corrosion-resistant.Protective jacket 2 described in the present embodiment have structure is simple, be easy to make and at
This low advantage.
In the present embodiment, the protective jacket 2 with a thickness of 1mm-1.5mm, the layer of aluminum foil with a thickness of 0.05mm-
0.2mm, the fiberglass braided layer with a thickness of 0.8-1.45mm.The thickness of protective jacket 2 is moderate, is playing heat-insulated and anti-corrosion
It can be reduced occupancy volume while corrosion energy, and be conducive to mitigate the weight of protective jacket 2 and reduce cost.Preferably, described
Protective jacket 2 with a thickness of 1mm, the aluminium foil with a thickness of 0.05mm-0.1mm, the fiberglass braided layer with a thickness of
0.9mm-0.95mm。
In the present embodiment, the layer of aluminum foil is adhered to outside the fiberglass braided layer, convenient for production, and is conducive to institute
It states layer of aluminum foil to become placed against with the fiberglass braided layer, guarantees the structural stability of protective jacket 2.
In the present embodiment, the protective jacket 2 is seamless tubular shaped structure.Specifically, when the shape of the tube body of fuel pipe 1 compares
When simple, it is seamless tubular shaped protective jacket 2 that structure, which can be used, and protective jacket 2 can be directly sleeved on wide body.
In another the present embodiment, the protective jacket 2 is seamed tubular structure, and the erosion resistant coating 22 is equipped with adhesive area and patch
Apply the release paper on the adhesive area.Specifically, when the shape of fuel pipe is complex, it is seamed tubulose that structure, which can be used,
Protective jacket 2, i.e. protective jacket 2 is endless full-closed structure before covering on tube body 1, and adhesive area is located at leaning on protective jacket 2
Nearly gap edge, adhesive area are coated with adhesive.When assembly, overlayed on one side by opposite with adhesive area on protective jacket 2 in pipe
On body 1, and make be wrapped on tube body 1 on one side equipped with adhesive area of protective jacket 2, after one circle of winding, release paper is torn, is passed through
Adhesive area, which is pasted, closes protective jacket 2.When protective jacket 2 is seamed tubular structure, the effect of adhesive area and release paper is former
Reason is similar to the action principle of double faced adhesive tape in the prior art.
In the present embodiment, the fuel pipe further includes two erection joints 3, and two erection joints 3 are respectively corresponded and set
It sets at the both ends of the tube body 1, fuel pipe can be connect by erection joint 3 with other component.The erection joint 3 and the pipe
Body 1 is detachably connected, easy to disassemble and replacement.
It in the present embodiment, is provided in the erection joint 3 identification piece (not indicating), the identification piece is described for identifying
The model of erection joint 3.In use, the model of erection joint 3 can be selected according to identification piece, avoid malfunctioning.Pacify in the present embodiment
Identification piece on joint 3 is stamp of the marking in erection joint 3.
For the present embodiment fuel pipe by actual test, 1 surface temperature of tube body for not being arranged the fuel pipe of protective jacket 2 is 270
DEG C, after being arranged protective jacket 2,1 surface temperature of tube body of fuel pipe falls below 120 DEG C, and temperature drop has reached 150 DEG C.Test is said
It is bright, after being arranged protective jacket 2 on the tube body 1 of fuel pipe, good heat insulation is played to tube body 1.
A kind of automobile is also proposed in the another embodiment of the utility model, which includes engine (not shown), fuel tank
One end of (not shown) and fuel pipe as described above, the fuel pipe connects the engine, the other end of the fuel pipe
The fuel tank is connected, the protective jacket 2 is arranged close to the engine.Specifically, exhaust gas is provided in automobile engine to follow again
Loop system (Exhaust Gas Recirculation, EGR) and turbocharger, cause the temperature in enging cabin higher, combustion
Protective jacket 2 is set close to EGR or the regional area of turbocharger on the tube body 1 of oil pipe, plays high temperature resistant and corrosion resistant work
With avoiding fuel pipe from deforming, and only protective jacket is arranged in the regional area on tube body 1 close to EGR or turbocharger
2, have the advantages that design is reasonable and saves cost.In addition, since the automobile uses whole technologies of above-mentioned all embodiments
Scheme, therefore at least all beneficial effects brought by the technical solution with above-described embodiment, this is no longer going to repeat them.
The gap of 130 DEG C of maximum temperature in the enging cabin of the present embodiment automobile, fuel pipe and engine is at least up to
25mm or more.By a certain test result it is found that the temperature on 1 surface of tube body of fuel pipe will be from 130 DEG C after increasing protective jacket 2
90 DEG C are reduced to hereinafter, temperature drop reaches 40 DEG C, to meet environmental requirement harsh to fuel pipe in enging cabin.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of fuel pipe, which is characterized in that the fuel pipe includes tube body and the protective jacket that is set in outside the tube body, described
Protective jacket includes thermal insulation layer and erosion resistant coating, and the erosion resistant coating is set in outside the thermal insulation layer and pastes with the outer wall of the thermal insulation layer
Tightly, the thermal insulation layer is set in outside the tube body and is adjacent to the outer wall of the tube body.
2. fuel pipe according to claim 1, which is characterized in that the thermal insulation layer is fiberglass braided layer, described anti-
Rotten layer is layer of aluminum foil.
3. fuel pipe according to claim 2, which is characterized in that the protective jacket with a thickness of 1mm-1.5mm, the aluminium
Foil layer with a thickness of 0.05mm-0.2mm, the fiberglass braided layer with a thickness of 0.8-1.45mm.
4. fuel pipe according to claim 3, which is characterized in that the protective jacket with a thickness of 1mm, the aluminium foil
With a thickness of 0.05mm-0.1mm, the fiberglass braided layer with a thickness of 0.9mm-0.95mm.
5. fuel pipe according to claim 2, which is characterized in that the layer of aluminum foil is adhered to described fiberglass braided
Layer is outer.
6. fuel pipe according to claim 1, which is characterized in that the protective jacket is seamless tubular shaped structure.
7. fuel pipe according to claim 1, which is characterized in that the protective jacket is seamed tubular structure, the anti-corrosion
Layer is equipped with adhesive area and sticks on the release paper on the adhesive area.
8. fuel pipe described in any one of -7 according to claim 1, which is characterized in that the fuel pipe further includes two installations
Connector, two erection joints respectively correspond the both ends that the tube body is arranged in, and the erection joint and the tube body are removable
Unload connection.
9. fuel pipe according to claim 8, which is characterized in that be provided with identification piece, the mark in the erection joint
Know the model that part is used to identify the erection joint.
10. a kind of automobile, which is characterized in that including engine, fuel tank and fuel oil as claimed in any one of claims 1-9 wherein
Pipe, one end of the fuel pipe connect the engine, and the other end of the fuel pipe connects the fuel tank, and the protective jacket leans on
The nearly engine setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820615574.3U CN208518798U (en) | 2018-04-26 | 2018-04-26 | Fuel pipe and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820615574.3U CN208518798U (en) | 2018-04-26 | 2018-04-26 | Fuel pipe and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208518798U true CN208518798U (en) | 2019-02-19 |
Family
ID=65342558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820615574.3U Active CN208518798U (en) | 2018-04-26 | 2018-04-26 | Fuel pipe and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208518798U (en) |
-
2018
- 2018-04-26 CN CN201820615574.3U patent/CN208518798U/en active Active
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