CN210652669U - Oil tank adds oil pipe assembly - Google Patents
Oil tank adds oil pipe assembly Download PDFInfo
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- CN210652669U CN210652669U CN201921594424.XU CN201921594424U CN210652669U CN 210652669 U CN210652669 U CN 210652669U CN 201921594424 U CN201921594424 U CN 201921594424U CN 210652669 U CN210652669 U CN 210652669U
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- oil
- filler tube
- pipe
- bellows
- tank
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Abstract
The utility model discloses an oil tank adds oil pipe assembly, add oil pipe and oil tank oil inlet including first oil pipe, bellows, second. A first end of the first filler tube is in communication with a second end of the bellows, and a first end of the bellows is in communication with a second end of the second filler tube; the first end of the second oil filling pipe is hermetically connected with the oil inlet of the oil tank; the first filler tube, the bellows, and the second filler tube are all metal tubes. Adopt the utility model discloses an oil tank adds oil pipe assembly, has effectively reduced the infiltration emission of oil vapor, has reduced the cost of manufacturing the installation simultaneously.
Description
Technical Field
The utility model relates to the field of automobiles, especially, relate to a car oil tank adds oil pipe assembly.
Background
Fuel filler tubes for vehicles such as automobiles are important parts for introducing fuel into fuel tanks. With the increasing tightening of national emission regulations, there is a need for fuel systems employing materials with superior low permeability properties. Traditional metal adds oil pipe and plastics and adds oil pipe, before being connected with the oil tank oil inlet, needs increase one section rubber tube to guarantee to add the relative installation deviation between oil pipe and the oil tank and the relative motion when driving a vehicle. One end of the rubber tube is matched and connected with the tail end of the metal oil filling tube, and the other end of the rubber tube is matched and connected with an oil inlet of an oil tank.
First, the permeation discharge is increased to some extent because the rubber material has poor permeation resistance compared to metal. Secondly, the penetration at the joint of the two ends of the rubber pipe is increased due to the introduction of the rubber pipe. In order to reduce the permeation emissions, conventional rubber tubing often has added oil and gas barriers, such as THV resins. This in turn increases the material, manufacturing and installation costs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil tank adds oil pipe assembly reduces the discharge of fuel infiltration, reduces manufacturing installation cost simultaneously.
The technical scheme of the utility model an oil tank adds oil pipe assembly, a serial communication port, include: the oil tank comprises a first oil filling pipe, a corrugated pipe, a second oil filling pipe and an oil tank oil inlet; a first end of the first filler tube is in communication with a second end of the bellows, and a first end of the bellows is in communication with a second end of the second filler tube; the first end of the second oil filling pipe is hermetically connected with the oil inlet of the oil tank; the first filler tube, the bellows, and the second filler tube are all metal tubes.
Further, the first filler tube, the bellows, and the second filler tube are mild steel or stainless steel metal tubes.
Further, a first end of the first filler tube is in welded communication with a second end of the bellows.
Further, the first end of the first filler tube and the second end of the bellows are in threaded communication.
Further, the first end of the bellows and the second end of the second filler tube are in communication by welding.
Further, the first end of the bellows and the second end of the second filler tube are in threaded communication.
Further, the first filler tube, the bellows, and the second filler tube are integrally formed.
Further, an inner bushing is arranged at the first end of the second oil filling pipe, a boss is arranged at the oil inlet of the oil tank, and the first end of the second oil filling pipe and the oil inlet of the oil tank are tightly connected through interference fit of the inner bushing and the boss.
Further, the inner liner is annular cylindrical.
Further, the first end of the second oil filling pipe is connected with the oil inlet of the oil tank through a clamp or a hoop fastening device.
After adopting above-mentioned technical scheme, have following beneficial effect: through first oil filling pipe, bellows and second oil filling pipe all be the tubular metal resonator, the second oil filling pipe with oil tank port zonulae occludens, reduced the infiltration of fuel and discharged, reduced manufacturing installation cost simultaneously.
Drawings
The purpose and advantages of the present invention will be better understood from the following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic view of a fuel filler tube of a fuel tank fuel filler tube assembly according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an oil tank filler pipe assembly according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in FIG. 1 and FIG. 2, the embodiment of the present invention provides a fuel tank filler pipe assembly, including: the oil tank comprises a first oil filling pipe 2, a corrugated pipe 3, a second oil filling pipe 4 and an oil tank oil inlet 7; a first end of the first filler tube 2 is in communication with a second end of the bellows 3, and a first end of the bellows 3 is in communication with a second end of the second filler tube 4; the first end of the second oil filling pipe 4 is hermetically connected with the oil inlet 7 of the oil tank; the first oil filling pipe 2, the corrugated pipe 3 and the second oil filling pipe 4 form an oil filling main pipe 1. The first oil filling pipe 2, the corrugated pipe 3, the second oil filling pipe 4 and the oil inlet 7 of the oil tank are tightly connected to ensure that fuel oil smoothly enters the oil tank through the oil filling main pipe 1. The first filler tube 2, the bellows 3 and the second filler tube 4 are all metal tubes. The metal materials of the first oil filling pipe 2, the corrugated pipe 3 and the second oil filling pipe 4 effectively reduce the permeation and discharge of fuel oil in the oil filling main pipe 1.
At least one of the first filler tube 2, the bellows 3, and the second filler tube 4 is a low carbon steel metal tube or a stainless steel metal tube. First oil filler pipe 2, bellows 3 and second oil filler pipe 4 adopt the rigidity great, and the metal pipe that corrosion resistance is good has effectively reduced the infiltration of fuel and has discharged, has increased simultaneously and has refueled the durability of being responsible for 1.
The first end of the first oil filling pipe 2 and the second end of the corrugated pipe 3 can be communicated in a tight way such as welding, threaded connection and gluing, so that the first oil filling pipe 2 and the corrugated pipe 3 are stably connected, and the fuel oil can smoothly circulate.
The welding intercommunication can make through welding modes such as argon arc welding, laser welding, brazing first oil filler pipe 2 with bellows 3 closely communicates.
The threaded connection can be that the first end of the first oil filling pipe 2 is provided with an internal thread, the second end of the corrugated pipe 3 is provided with an external thread, the diameter of the first oil filling pipe 2 is larger than that of the corrugated pipe 3, and the first oil filling pipe 2 and the corrugated pipe 3 are in threaded connection through the internal thread of the first oil filling pipe 2 and the external thread of the corrugated pipe 3. Or, the first end of the first oil filling pipe 2 is provided with an external thread, the second end of the corrugated pipe 3 is provided with an internal thread, the diameter of the first oil filling pipe 2 is smaller than that of the corrugated pipe 3, and the first oil filling pipe 2 and the corrugated pipe 3 are in threaded connection through the external thread of the first oil filling pipe 2 and the internal thread of the corrugated pipe 3.
The first end of the corrugated pipe 3 and the second end of the second oil filling pipe 4 can be communicated in a tight communication mode such as welding, threaded connection and cementing, so that the corrugated pipe 3 and the second oil filling pipe 4 are stably connected, and the fuel oil smoothly circulates.
The welding intercommunication can make through welding modes such as argon arc welding, laser welding, brazing bellows 3 with the second adds oil pipe 4 and closely communicates.
The threaded connection may be that a first end of the corrugated tube 3 is provided with an internal thread, a second end of the second oil filling pipe 4 is provided with an external thread, the diameter of the corrugated tube 3 is larger than that of the second oil filling pipe 4, and the corrugated tube 3 and the second oil filling pipe 4 are in threaded connection through the internal thread of the corrugated tube 3 and the external thread of the second oil filling pipe 4. Or, the first end of the corrugated pipe 3 is provided with an external thread, the second end of the second oil filling pipe 4 is provided with an internal thread, the diameter of the corrugated pipe 3 is smaller than that of the second oil filling pipe 4, and the corrugated pipe 3 and the second oil filling pipe 4 are in threaded connection through the external thread of the corrugated pipe 3 and the internal thread of the second oil filling pipe 4.
The first filler tube 2, the bellows 3 and the second filler tube 4 may also be integrally formed. Therefore, the manufacturing and installation cost is reduced, smooth flowing of the fuel is ensured, and the possibility of permeating and discharging the fuel is effectively reduced.
The first end of the second oil filling pipe 4 is hermetically connected with the oil inlet 7 of the oil tank. The first end of the second filler tube 4 is fitted with an inner liner 5 as shown in figure 1 and the tank inlet opening 7 is provided with a boss 6 as shown in figure 2. The first end of the second oil filling pipe 4 is tightly connected with the oil inlet 7 of the oil tank through the inner bushing 5 and the boss 6 in an interference fit mode. Or, a boss is arranged at the first end of the second oil filling pipe 4, and an inner bushing is arranged at the oil inlet 7 of the oil tank. The first end of the second oil filling pipe 4 is tightly connected with the oil inlet 7 of the oil tank through the boss of the second oil filling pipe 4 and the inner bushing of the oil inlet 7 of the oil tank in an interference fit manner. The interference fit ensures the sealing performance of the joint. The interference magnitude of the interference fit depends on the pulling-out force requirement between the main oil filling pipe 1 and the oil inlet 7 of the oil tank.
The inner bushing is in an annular barrel shape, so that the inner bushing and the lug boss are conveniently connected.
The inner bushing is a rubber inner bushing, the rubber has certain softness and elasticity, and the connection with the boss is smoother and tighter.
And the first end of the second oil filling pipe 4 is connected with the oil inlet 7 of the oil tank through a clamp or a hoop fastening device. The connecting method reduces the processing technology of the oil inlet 7 of the oil tank and the second oil filling pipe 4, the clamp or the hoop can be purchased from the market directly, and the use is convenient and the installation is simple.
To sum up, the utility model provides an oil tank adds oil pipe assembly is responsible for whole adoption tubular metal resonator through refueling, refuels and is responsible for the centre and has one section bellows, and refuels and be responsible for and oil tank oil inlet zonulae occludens, has not only satisfied the installation requirement but also has effectively reduced the infiltration of oil steam and has discharged.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. An oil tank filler tube assembly, comprising: the oil tank comprises a first oil filling pipe, a corrugated pipe, a second oil filling pipe and an oil tank oil inlet;
a first end of the first filler tube is in communication with a second end of the bellows, and a first end of the bellows is in communication with a second end of the second filler tube; the first end of the second oil filling pipe is hermetically connected with the oil inlet of the oil tank;
the first filler tube, the bellows, and the second filler tube are all metal tubes.
2. The fuel tank filler tube assembly of claim 1, wherein at least one of said first filler tube, said bellows, and said second filler tube is a low carbon steel metal tube or a stainless steel metal tube.
3. The tank filler tube assembly of claim 1, wherein the first end of the first filler tube is in communication with the second end of the bellows by welding.
4. The tank filler tube assembly of claim 1, wherein the first end of the first filler tube and the second end of the bellows are in threaded communication.
5. The fuel tank filler tube assembly of claim 1, wherein the first end of the bellows and the second end of the second filler tube communicate by welding.
6. The fuel tank filler tube assembly of claim 1, wherein the first end of the bellows and the second end of the second filler tube are in threaded communication.
7. The fuel tank filler tube assembly of claim 1, wherein said first filler tube, said bellows, and said second filler tube are integrally formed.
8. The oil tank filler pipe assembly of claim 1, wherein the first end of the second filler pipe is fitted with an inner bushing, the oil inlet of the oil tank is provided with a boss, and the first end of the second filler pipe and the oil inlet of the oil tank are tightly connected by interference fit of the inner bushing and the boss.
9. The fuel tank filler tube assembly of claim 8, wherein said inner liner is annular cylindrical.
10. A fuel tank filler tube assembly as claimed in any one of claims 1 to 9, wherein the first end of the second filler tube and the fuel tank inlet opening are connected by a clip or clip fastening means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921594424.XU CN210652669U (en) | 2019-09-24 | 2019-09-24 | Oil tank adds oil pipe assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921594424.XU CN210652669U (en) | 2019-09-24 | 2019-09-24 | Oil tank adds oil pipe assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210652669U true CN210652669U (en) | 2020-06-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921594424.XU Active CN210652669U (en) | 2019-09-24 | 2019-09-24 | Oil tank adds oil pipe assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210652669U (en) |
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2019
- 2019-09-24 CN CN201921594424.XU patent/CN210652669U/en active Active
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