CN210205981U - Oil-gas separation device with external automobile fuel tank - Google Patents
Oil-gas separation device with external automobile fuel tank Download PDFInfo
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- CN210205981U CN210205981U CN201920636478.1U CN201920636478U CN210205981U CN 210205981 U CN210205981 U CN 210205981U CN 201920636478 U CN201920636478 U CN 201920636478U CN 210205981 U CN210205981 U CN 210205981U
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Abstract
The utility model relates to an oil-gas separation device with an external automobile fuel tank, which is characterized in that the oil-gas separation device comprises a body (1), an upper connecting pipeline (2) and a lower connecting pipeline (3) which are arranged at two ends of the body (1), the body (1) comprises a buckle fixing structure (1a), a grid structure (1b), a sealing cover plate (1c) and oil-gas inlet and outlet channels (1d) (1e), the buckle structure (1a), an internal grid (1b), the oil-gas inlet and outlet channels (1d) (1e) are formed by integral injection molding with the body (1), the sealing cover plate (1c) is welded and fixed in the body (1), the technical scheme has ingenious overall design and compact structure, the scheme adopts an injection molding mode to form, the production and processing cost of products is reduced, and the oil-gas separation device is arranged outside the fuel tank, the assembly is beside the oil filling pipe, the internal space of the oil tank is effectively released, the whole operation is convenient, and the later maintenance is convenient.
Description
Technical Field
The invention relates to an oil-gas separation device, in particular to an oil-gas separation device externally arranged on an automobile fuel tank, and belongs to the technical field of fuel tank structural components.
Background
In the process of the fuel oil filling system, gas in the oil tank enters the oil filling exhaust pipe through the valve and then enters the carbon tank. On the one hand, the problem of refueling such as refueling back spray caused by overhigh internal pressure of the fuel tank is prevented, and on the other hand, the fuel leaked by the valve is prevented from directly entering the carbon tank to cause the breakdown of the carbon tank. In addition, most of the oil-gas separation devices adopted in the current market are blow-molded or fixed in the fuel tank, so that the oil-gas separation device is high in manufacturing cost and inconvenient to install. In addition to the need for low emissions requirements for fuel tank systems, reducing liquid fuel leakage from the fuel system to the canister is also an important aspect to emissions requirements. Thus. There is a strong need for a device to solve the above technical problems.
Disclosure of Invention
The invention provides the oil-gas separation device with the external automobile fuel tank aiming at the technical problems in the existing pipeline installation, the technical scheme has the advantages of compact and reasonable structural design, low price, convenient manufacture and installation, high safety performance and good sealing performance, and the risk of fuel leakage is effectively reduced.
In order to achieve the purpose, the oil-gas separation device with the external automobile fuel tank is characterized by comprising a body, an upper connecting pipeline and a lower connecting pipeline, wherein the upper connecting pipeline and the lower connecting pipeline are arranged at two ends of the body, the body comprises a buckle fixing structure, a grid structure, a sealing cover plate and an oil-gas inlet and outlet channel, the buckle structure, an internal grid, the oil-gas inlet and outlet channel and the body are integrally formed by injection molding, and the sealing cover plate and the body are welded into a whole. This oil-gas separation device sets up in the fuel tank body outside, is fixed in and adds oil pipe side, and in the fuel oil system course of operation, because the liquid fuel and the oil vapor that the oil tank internal pressure increased and the valve leaked the production get into oil-gas separation device along lower pipeline, under normal operating condition, the inside grid of oil-gas separation device can block the continuation of liquid fuel and advance thereby flow back to inside the oil tank, and oil vapor continues to advance or the condensation becomes the liquid backward flow, or continues to advance to the carbon tank along upper pipeline. The device adopts the mode of moulding plastics to form, and whole low price assembles convenient operation on adding oil pipe for more spaces are released to fuel tank inside. When the turnover working condition occurs, the internal grid of the device has the function of temporarily storing fuel.
As an improvement of the invention, the buckle fixing structure is positioned outside the body, the overall shape of the buckle is similar to a barb structure, certain toughness is reserved on the basis of ensuring the stability so as to be convenient for smooth assembly with the fixing support, and the barb structure limits the movement of the whole device after assembly. The oil-gas separation device is fixed on the side of the oil filling pipe through the buckle fixing structure, the buckle structure is matched with the mounting bracket, the mounting bracket is welded on the oil filling pipe, and the operation is convenient and flexible.
As an improvement of the invention, the whole body of the grating is vertical to the bottom of the body, the height of the grating is consistent with that of the body, and when the cover plate is welded with the periphery of the body, the top of the grating is welded at the same time. The number of grid structures is a plurality of, and a plurality of grid structures constitute S-shaped oil gas passageway, realize oil-gas separation' S function.
As an improvement of the invention, the whole appearance of the cover plate is matched with the welding surface of the oil-gas separation body, a plurality of limiting bulges are arranged on the inner side of the cover plate, so that the cover plate and the body can be conveniently welded and positioned, and the bulges and the cover plate are integrally formed by injection molding.
As a modification of the invention, the number of oil and gas channels is at least two.
As an improvement of the invention, the grille can temporarily store fuel leaked due to overturning, partial grooves can be formed in the position selection of the grille when the whole vehicle overturns, the grooves can effectively store the leaked fuel, and the risk of carbon tank breakdown caused by the fact that the fuel directly enters the carbon tank is reduced.
Compared with the prior art, the invention has the advantages that 1) the technical scheme has ingenious overall design and compact structure, is formed by adopting an injection molding mode, reduces the production and processing cost of products, and 2) the oil-gas separation device is arranged outside the fuel tank and assembled beside the oil filling pipe, effectively releases the internal space of the fuel tank, is convenient to operate integrally and is convenient for later maintenance; 3) the grid structure in the oil-gas separation device forms an S-shaped loop, so that oil-gas separation is conveniently realized; 4) according to the technical scheme, a buckle type installation mode is adopted, a buckle structure is matched with an installation support, the installation is directly welded on an oil filling pipe, the specific position is not limited, and the operation is flexible and convenient; 5) when the vehicle turns over in an accident, the grid structure is beneficial to temporarily storing part of leaked fuel, so that the risk is effectively reduced; 6) the scheme has low cost and is convenient for large-scale popularization and application.
Drawings
FIG. 1 is an integral structure of an oil-gas separator;
FIG. 2 is a structure of a body of an oil-gas separator;
FIG. 3 is a schematic structural diagram of an S-shaped loop inside the oil-gas separator body;
FIG. 4 is a fixing bracket of an oil-gas separator of a butt joint part of a buckle structure of an oil-gas separator body;
FIG. 5 is a schematic diagram of the oil-gas separator after being assembled with a fixed bracket;
FIG. 6 is a sealing cover plate structure of an oil-gas separator body;
FIG. 7 is a schematic view of the oil-gas separation device after being turned over to store leaked fuel.
In the figure: 1. the body, 2, go up connecting line, 3, lower connecting line, 1a, buckle fixed knot construct, 1b, grid structure, 1c, sealed apron, 1d, oil gas access to passageways, 1e, oil gas discharge passage.
The specific implementation mode is as follows:
for the purpose of enhancing an understanding of the present invention, the present embodiment will be described in detail below with reference to the accompanying drawings.
Example 1: referring to fig. 1-7, an automobile fuel tank oil-gas separation device is arranged in outward has, oil-gas separation device includes body 1 and sets up connecting line 2 and connecting line 3 down at body 1 both ends, body 1 contains buckle fixed knot structure 1a, grid structure 1b, sealed apron 1c and oil gas access way 1d and 1e, buckle structure 1a, inside grid 1b, oil gas access way and body 1 an organic whole are moulded plastics and are formed, sealed apron 1c welded fastening is in body 1. The whole appearance of apron is identical with oil-gas separation body face of weld, and there are a plurality of spacing archs the apron inboard, makes things convenient for the welding position of apron and body, and protruding and apron an organic whole are moulded plastics and are formed. This oil-gas separation device sets up in the fuel tank body outside, is fixed in and adds oil pipe side, and in the fuel oil system course of operation, because the liquid fuel and the oil vapor that the oil tank internal pressure increased and the valve leaked the production get into oil-gas separation device along lower pipeline, under normal operating condition, the inside grid of oil-gas separation device can block the continuation of liquid fuel and advance thereby flow back to inside the oil tank, and oil vapor continues to advance or the condensation becomes the liquid backward flow, or continues to advance to the carbon tank along upper pipeline. The device adopts the mode of moulding plastics to form, and whole low price assembles convenient operation on adding oil pipe for more spaces of the inside release of fuel tank, buckle fixed knot constructs 1a and fixes in the outside of body, is fixed in adding oil pipe side through this buckle fixed knot structure, grid structure 1b 'S quantity is a plurality of, and a plurality of grid structure 1b constitute S-shaped oil gas passageway, realize oil-gas separation' S function. The inner grating can be made of different materials to meet different emission requirements, and the number of the oil and gas channels is at least two.
The working principle is as follows: referring to fig. 1-7, in the working process of the fuel oil system, liquid fuel oil and oil vapor generated by pressure increase inside the oil tank and valve leakage enter the oil-gas separator through the lower through hole 1e along the lower pipeline of the oil-gas separation device, under normal working conditions, the internal grid 1b of the oil-gas separator can block the liquid fuel oil from continuing to advance so as to flow back to the inside of the oil tank, and the oil vapor continues to advance or is condensed into liquid to flow back, or continues to advance along the upper pipeline to pass through the upper through hole 1d to the carbon tank; the oil-gas separation device is arranged outside the fuel tank and assembled beside the oil filling pipe, so that the operation is convenient, and the later maintenance is convenient; the oil-gas separation device is internally provided with the grating 1b, the structure is compact, the grating forms an S-shaped loop to realize oil-gas separation, and the number of the grating is not limited under the condition of ensuring the function and gas damping; the oil-gas separation device adopts a buckle type installation mode, a buckle 1a is matched with the installation support in the figure 4, the installation support is welded on the oil filling pipe, and the specific position is not limited; oil-gas separation device adopts and seals up with apron welding form, when meetting the vehicle upset condition, the grid has the fuel of temporary storage because of the upset is leaked, and partial recess can appear in the selection of grid position when whole car upset, and the recess can effectively be stored the fuel of leaking, reduces the fuel and directly gets into the risk that the carbon tank caused the carbon tank to puncture, as shown in figure 7, effectively reduces the risk.
It should be noted that the above-mentioned embodiments are not intended to limit the scope of the present invention, and all equivalent changes and substitutions made on the basis of the above-mentioned technical solutions are within the scope of the present invention as defined in the claims.
Claims (5)
1. The utility model provides an automobile fuel tank oil gas separation device is arranged in to have, its characterized in that, oil gas separation device includes body (1) and sets up connecting line (2) and connecting line (3) down on body (1) both ends, body (1) contains buckle fixed knot structure (1a), grid structure (1b), sealed apron (1c) and oil gas access way (1d) (1e), buckle fixed knot constructs (1a), grid structure (1b), oil gas access way (1d) (1e) and body (1) an organic whole is moulded plastics and is formed, sealed apron (1c) welded fastening is in body (1).
2. The device for separating oil from gas in the fuel tank of the external automobile as claimed in claim 1, wherein the buckle fixing structure (1a) is fixed outside the body and fixed on the side of the filler pipe through the buckle fixing structure, and the overall shape of the buckle is similar to a barb structure.
3. The oil-gas separation device with the external automobile fuel tank is characterized in that the number of the grating structures (1b) is multiple, and the grating structures (1b) form S-shaped oil-gas channels to realize the oil-gas separation function.
4. The device for separating oil from gas in fuel tank of automobile as claimed in claim 1 or 2, wherein the number of said oil and gas access passages is at least two.
5. The oil-gas separation device with the externally arranged automobile fuel tank as claimed in claim 1 or 2, characterized in that the whole appearance of the sealing cover plate (1c) is matched with the welding surface of the oil-gas separation body, a plurality of limiting bulges are arranged on the inner side of the cover plate, so that the welding and positioning of the cover plate and the body are facilitated, and the bulges and the cover plate are integrally formed by injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920636478.1U CN210205981U (en) | 2019-05-06 | 2019-05-06 | Oil-gas separation device with external automobile fuel tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920636478.1U CN210205981U (en) | 2019-05-06 | 2019-05-06 | Oil-gas separation device with external automobile fuel tank |
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| Publication Number | Publication Date |
|---|---|
| CN210205981U true CN210205981U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920636478.1U Active CN210205981U (en) | 2019-05-06 | 2019-05-06 | Oil-gas separation device with external automobile fuel tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052061A (en) * | 2019-05-06 | 2019-07-26 | 亚普汽车部件股份有限公司 | One kind, which has, is placed outside oil-gas separation device of automobile fuel tank |
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2019
- 2019-05-06 CN CN201920636478.1U patent/CN210205981U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052061A (en) * | 2019-05-06 | 2019-07-26 | 亚普汽车部件股份有限公司 | One kind, which has, is placed outside oil-gas separation device of automobile fuel tank |
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