CN214464593U - Liquid accumulation box structure for preventing liquid fuel from entering carbon tank - Google Patents
Liquid accumulation box structure for preventing liquid fuel from entering carbon tank Download PDFInfo
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- CN214464593U CN214464593U CN202120125260.7U CN202120125260U CN214464593U CN 214464593 U CN214464593 U CN 214464593U CN 202120125260 U CN202120125260 U CN 202120125260U CN 214464593 U CN214464593 U CN 214464593U
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Abstract
The utility model relates to a liquid loading box structure for preventing liquid fuel oil from entering a carbon tank, which comprises a liquid loading box body; the effusion box body comprises a vent pipe; one end of the vent pipe is connected with the effusion box body, and the other end of the vent pipe is connected with the three-way connector; the three-way connector is also connected with a first pipeline and a second pipeline; its advantages are: the utility model discloses a prevent that liquid fuel from entering hydrops box structure of carbon tank adopts the form of hydrops box, can effectively solve the problem that carbon tank oil feed and carbon tank oil feed brought; the cost is reduced, if an imported valve body is adopted, the price is high and is far higher than the cost of the liquid accumulation box; the structure is simple and easy to implement, and is more reliable than a two-way valve.
Description
Technical Field
The utility model belongs to the technical field of the oil tank technique and specifically relates to a prevent that liquid fuel from entering into hydrops box structure of carbon tank.
Background
The automobile carbon canister is generally installed between the automobile fuel tank and the engine, and since gasoline is a volatile liquid, the fuel tank is often filled with vapor at normal temperature, the fuel evaporative emission control system is used for introducing the vapor into combustion and preventing the vapor from volatilizing into the atmosphere, and the active carbon canister storage device plays an important role in the process. The vehicle oil tank is a container for containing fuel on the vehicle, and is a special container for storing hydraulic oil or hydraulic liquid in a hydraulic system. However, the following defects and shortcomings exist in the oil tank pipeline in the prior art:
at first, after filling up the fuel in the oil tank, fuel in the oil tank will be along the gap of valve body during the pipeline will be gone into to the vehicle rocks the time, during the fuel in the pipeline can be directly impressed the carbon tank by the pressure in the oil tank, will lead to the carbon tank inefficacy for a long time, unable normal work, for example: the oil vapor can not be adsorbed and desorbed. The emission exceeds the standard; the internal resistance of the carbon tank is increased, and the pressure in the oil tank cannot be released, so that the oil tank expands and cannot be normally refueled.
Secondly, the national six standards are implemented at present, and the emission requirement is stricter. In order to consider the cost of the whole vehicle, an imported valve body cannot be adopted, the dynamic leakage amount of the domestic valve body is large, if liquid oil cannot be prevented from entering the carbon tank, the carbon tank is polluted and loses effectiveness, the emission cannot reach the national six standards, and unfavorable conditions such as gun jump during refueling or deformation of an oil tank can occur.
Chinese patent document CN201520864912.3, application date 20151102, with patent names: a ventilation filter device for preventing a carbon tank of a fuel tank from being blocked. Including carbon tank and ash filter box, the carbon tank is fixed in on the fuel tank, the ash filter box is fixed in on the notes oil pipe of fuel tank through the support, be linked together through the atmosphere pipe through first carbon tank between carbon tank and the ash filter box, the ash filter box still is linked together through atmosphere pipe one end with the second carbon tank, the second carbon tank leads to atmosphere pipe other end intercommunication atmosphere, the ash filter box includes ash filter box casing and the end cover of joint in ash filter box casing upper end, the inside filter pulp that is equipped with of ash filter box casing, four angle departments in ash filter box casing upper portion outside are equipped with the buckle, be equipped with on the end cover with buckle matched with recess.
The ventilation and filtration device for preventing the carbon tank of the fuel tank from being blocked disclosed in the patent document has not only a ventilation function but also a function of filtering dust and impurities, prevents the problem that the fuel tank is shriveled due to the blockage of the carbon tank, and is convenient to detach and replace. However, no corresponding disclosure is found about a technical solution for solving the problem that liquid oil generated by dynamic leakage of the oil tank enters the carbon tank.
In summary, a liquid accumulation box structure for solving the problem of liquid oil entering the carbon tank due to dynamic leakage of the oil tank is needed. However, no report is found about the structure of the effusion cell.
Disclosure of Invention
The utility model aims at providing a solve the liquid oil that the oil tank developments were leaked the production and enter into the hydrops box structure of carbon tank.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a liquid accumulation box structure for preventing liquid fuel oil from entering a carbon tank comprises a liquid accumulation box body; the effusion box body comprises a vent pipe; one end of the vent pipe is connected with the effusion box body, and the other end of the vent pipe is connected with the three-way connector; the three-way connector is also connected with a first pipeline and a second pipeline;
a first partition plate, a second partition plate, a third partition plate, a fourth partition plate, a fifth partition plate and an oil outlet cavity are arranged in the liquid accumulation box body; a first partition plate and a second partition plate are arranged on one side of the third partition plate; a fourth clapboard and a fifth clapboard are arranged on the other side of the third clapboard; the first partition plate and the second partition plate are vertically distributed and form a first cavity; the fourth baffle plate is obliquely designed relative to the third baffle plate and forms a second cavity with the outer wall of one side of the oil outlet cavity; the fifth baffle plate and the outer wall of the other side of the oil outlet cavity form a third cavity; the liquid accumulation box body is provided with an oil and gas outlet channel; one end of the oil-gas outlet channel is communicated with the breather pipe, and the other end of the oil-gas outlet channel is communicated with the oil outlet cavity; the oil-gas outlet channel is communicated with the first cavity, the second cavity and the third cavity in sequence, and a labyrinth structure is formed among the first cavity, the second cavity and the third cavity.
As a preferred technical scheme, the effusion cell body comprises a side surrounding body and a cover plate; the cover plate is attached to the side surrounding body.
As a preferable technical solution, the oil outlet chamber includes a first oil chamber portion and a second oil chamber portion; the first oil chamber part is communicated with the second oil chamber part and forms a convex shape; and the first oil cavity part is provided with a notch communicated with the oil-gas outlet channel.
As a preferable technical scheme, the first partition plate, the second partition plate, the third partition plate, the fourth partition plate and the fifth partition plate are all communicated in height, and the height is lower than that of the side enclosure.
As a preferable technical scheme, the height of the oil outlet cavity is flush with that of the side enclosure body, and the baffle of the oil outlet cavity at the notch is lower than that of the first partition plate.
As a preferable technical scheme, the first partition plate, the second partition plate, the third partition plate and the fourth partition plate are all provided with support columns; the height of the supporting column is flush with that of the side surrounding body.
As a preferred technical scheme, the back of the side wall body is provided with a groove at the position of the oil outlet cavity;
as a preferred technical scheme, the side wall body is provided with fixing seats on two sides.
As a preferable technical scheme, the back surface of the side body is also provided with a reinforcing block.
The utility model has the advantages that:
1. the utility model discloses a prevent that liquid fuel from entering hydrops box structure of carbon tank adopts the form of hydrops box, can effectively solve the problem that carbon tank oil feed and carbon tank oil feed brought; the cost is reduced, if an imported valve body is adopted, the price is high and is far higher than the cost of the liquid accumulation box; the structure is simple and easy to implement, and is more reliable than a two-way valve.
2. The inside formation labyrinth structure of hydrops box, liquid oil and oil vapor enter into the hydrops box after, and liquid oil storage is in the hydrops box, and when the vehicle was when turning, in the fuel in the hydrops box can flow back the oil tank according to the pipeline, therefore the liquid oil can't submerge the passageway of oil vapor, can not flow into the carbon tank, and oil vapor adsorbs along with the breach flows into the carbon tank above.
3. The first partition plate, the second partition plate, the third partition plate and the fourth partition plate are all provided with support columns; the height of the supporting column is flush with that of the side surrounding body. The design has the advantages that after the cover plate is closed, air vents are reserved between the cover plate and each cavity, and oil steam can flow and be conveniently transmitted among the cavities.
Drawings
Fig. 1 is a schematic structural diagram of a liquid accumulation box structure for preventing liquid fuel from entering a carbon tank.
FIG. 2 is a schematic structural view of the effusion cell body.
FIG. 3 is a schematic view of the internal structure of the effusion cell body.
FIG. 4 is a schematic view showing the distribution of the flow direction of oil vapor inside the effusion cell body.
FIG. 5 is a schematic view of the back structure of the liquid trap.
Detailed Description
The invention will be further described with reference to the following examples and with reference to the accompanying drawings.
The reference numerals and components referred to in the drawings are as follows:
1. liquid loading box body 11, first baffle plate
12. Second partition 13, third partition
14. Fourth 15, fifth 15
16. Oil outlet chamber 161. first oil chamber portion
162. Second oil chamber section 163. notch
17. Side enclosure 171 groove
172. Reinforcing block 173. fixed seat
18. Cover plate 19. support column
2. First cavity 3. second cavity
4. Third cavity 4, oil and gas outlet channel
5. Breather pipe 6. three-way joint
7. First pipeline 8, second pipeline
Please refer to fig. 1, fig. 1 is a schematic structural diagram of a liquid loading box structure for preventing liquid fuel from entering a carbon canister according to the present invention. A liquid accumulation box structure for preventing liquid fuel oil from entering a carbon tank; the liquid accumulating box structure comprises a liquid accumulating box body 1; the effusion box body 1 comprises a vent pipe 5; one end of the vent pipe 5 is connected with the liquid accumulating box body 1, and the other end is connected with the three-way connector 6; the three-way connector 6 is also connected with a first pipeline 7 and a second pipeline 8; the outer end of the first pipeline 7 is connected with an FLVV valve; the outer end of the second pipeline 8 is connected with GVV valve.
Referring to fig. 2, fig. 2 is a schematic structural diagram of the effusion cell body 1. The effusion box body 1 comprises a side surrounding body 17 and a cover plate 18; the cover plate 18 is attached to the side body 17.
Referring to fig. 3 and 4, fig. 3 is a schematic view of the internal structure of the effusion cell body 1. Fig. 4 is a schematic view of the distribution of the flow direction of the oil vapor inside the effusion cell body 1. A first clapboard 11, a second clapboard 12, a third clapboard 13, a fourth clapboard 14, a fifth clapboard 15 and an oil outlet cavity 1616 are arranged in the effusion box body 1; a first partition plate 11 and a second partition plate 12 are arranged on one side of the third partition plate 13; a fourth clapboard 14 and a fifth clapboard 15 are arranged on the other side of the third clapboard 13; the first partition plate 11 and the second partition plate 12 are vertically distributed and form a first cavity 2; the fourth partition plate 14 is obliquely designed relative to the third partition plate 13, and forms a second cavity 3 with the outer wall of one side of the oil outlet cavity 16; the fifth partition 15 and the outer wall of the other side of the oil outlet cavity 16 form a third cavity 4; the liquid accumulation box body 1 is provided with an oil and gas outlet channel 4; one end of the oil-gas outlet channel 4 is communicated with the breather pipe 5, and the other end is communicated with the oil outlet cavity 16; the oil-gas outlet channel 4 is communicated with the first cavity 2, the second cavity 3 and the third cavity 4 in sequence.
The oil outlet cavity 16 comprises a first oil cavity part 161 and a second oil cavity part 162; the first oil chamber part 161 is communicated with the second oil chamber part 162 and forms a convex shape; the first oil chamber portion 161 is provided with a notch 163 communicated with the oil-gas outlet passage 4.
The first partition plate 11, the second partition plate 12, the third partition plate 13, the fourth partition plate 14 and the fifth partition plate 15 are all communicated in height, and the height is lower than that of the side enclosure 17.
The height of the oil outlet cavity 16 is flush with that of the side wall body 17, and the baffle plate of the oil outlet cavity 16 at the notch 163 is lower than that of the first partition plate 11.
The first partition plate 11, the second partition plate 12, the third partition plate 13 and the fourth partition plate 14 are all provided with support columns 19; the height of the supporting column 19 is flush with that of the side body 17.
Referring to fig. 5, fig. 5 is a schematic view of a back structure of the liquid trap. The back of the side body 17 is provided with a groove 171 at the position of the oil outlet cavity 16; the side wall body 17 is provided with fixing seats 173 on both sides. The side body 17 is also provided with a reinforcing block 172 on the back.
The embodiment needs to be explained as follows:
the effusion box body 1 comprises a vent pipe 5; one end of the vent pipe 5 is connected with the liquid accumulating box body 1, and the other end is connected with the three-way connector 6; the three-way connector 6 is also connected with a first pipeline 7 and a second pipeline 8. Wherein, through tee bend interface 6, can realize being in the same place the intercommunication in first pipeline 7 and the second pipeline 8, have the polymerization to the fuel in the pipeline, effectively prevent that the fuel in the pipeline from entering into the carbon box.
The liquid accumulation box body 1 is provided with an oil and gas outlet channel 4; one end of the oil-gas outlet channel 4 is communicated with the breather pipe 5, and the other end is communicated with the oil outlet cavity 16; the oil-gas outlet channel 4 is communicated with the first cavity 2, the second cavity 3 and the third cavity 4 in sequence, and a labyrinth structure is formed among the first cavity 2, the second cavity 3 and the third cavity 4. The effect of this design is: make the inside formation labyrinth structure of hydrops box, liquid oil and oil vapor enter into the hydrops box after, liquid oil storage is in the hydrops box, and when the vehicle was when turning, the fuel in the hydrops box can flow back the oil tank according to the pipeline in, so liquid oil can't submerge the passageway of oil vapor, can not flow into the carbon canister in, oil vapor is along with above breach 163 flows into the carbon canister and adsorbs.
The effusion box body 1 comprises a side surrounding body 17 and a cover plate 18; the cover plate 18 is attached to the side body 17. Wherein, through the 18 laminating of apron, can play sealed effect to the hydrops box, prevent gas leakage.
The oil outlet cavity 16 comprises a first oil cavity part 161 and a second oil cavity part 162; the first oil chamber part 161 is communicated with the second oil chamber part 162 and forms a convex shape; the first oil chamber portion 161 is provided with a notch 163 communicated with the oil-gas outlet passage 4. The effect of this design is: the first oil chamber part 161 is used for performing rough-step accommodation and absorption of oil vapor in the outer cavity; the second oil chamber portion 162 is used for outputting the oil vapor to the outside. Secondly, the contact area has been increased to the design of type shape, makes oil vapor holding nature good.
The first partition plate 11, the second partition plate 12, the third partition plate 13, the fourth partition plate 14 and the fifth partition plate 15 are all communicated in height, and the height is lower than that of the side enclosure 17. The effect of this design is that oil vapour can rise in each cavity, while liquid oil cannot flow out of the cavity.
The height of the oil outlet cavity 16 is flush with that of the side wall body 17, and the baffle plate of the oil outlet cavity 16 at the notch 163 is lower than that of the first partition plate 11. The effect of this design is: a reserved opening is formed between the oil outlet cavity 16 and the external cavity, so that oil vapor transmission is facilitated.
The first partition plate 11, the second partition plate 12, the third partition plate 13 and the fourth partition plate 14 are all provided with support columns 19; the height of the supporting column 19 is flush with that of the side body 17. The design has the effect that after the cover plate 18 is closed, air vents are reserved between the cover plate 18 and each cavity, so that oil steam can flow and be transmitted among the cavities conveniently.
The back of the side wall body 17 is provided with a groove 171 at the position of the oil outlet cavity 16. The grooves 171 are designed to reduce weight and save material.
The side wall body 17 all be provided with fixing base 173 in both sides, through the design of fixing base 173, be convenient for fix whole hydrops box, stability is good.
The side body 17 is also provided with a reinforcing block 172 on the back. Through the design of reinforcing block 172, can effectively strengthen the bulk strength of hydrops box.
The utility model discloses a prevent that liquid fuel from entering hydrops box structure of carbon tank adopts the form of hydrops box, can effectively solve the problem that carbon tank oil feed and carbon tank oil feed brought; the cost is reduced, if an imported valve body is adopted, the price is high and is far higher than the cost of the liquid accumulation box; the structure is simple and easy to implement, and is more reliable than a two-way valve.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principles of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.
Claims (9)
1. A liquid accumulation box structure for preventing liquid fuel oil from entering a carbon tank is characterized by comprising a liquid accumulation box body; the effusion box body comprises a vent pipe; one end of the vent pipe is connected with the effusion box body, and the other end of the vent pipe is connected with the three-way connector; the three-way connector is also connected with a first pipeline and a second pipeline;
a first partition plate, a second partition plate, a third partition plate, a fourth partition plate, a fifth partition plate and an oil outlet cavity are arranged in the liquid accumulation box body; a first partition plate and a second partition plate are arranged on one side of the third partition plate; a fourth clapboard and a fifth clapboard are arranged on the other side of the third clapboard; the first partition plate and the second partition plate are vertically distributed and form a first cavity; the fourth baffle plate is obliquely designed relative to the third baffle plate and forms a second cavity with the outer wall of one side of the oil outlet cavity; the fifth baffle plate and the outer wall of the other side of the oil outlet cavity form a third cavity; the liquid accumulation box body is provided with an oil and gas outlet channel; one end of the oil-gas outlet channel is communicated with the breather pipe, and the other end of the oil-gas outlet channel is communicated with the oil outlet cavity; the oil-gas outlet channel is communicated with the first cavity, the second cavity and the third cavity in sequence, and a labyrinth structure is formed among the first cavity, the second cavity and the third cavity.
2. The effusion cell structure of claim 1, wherein the effusion cell body comprises a side enclosure and a cover plate; the cover plate is attached to the side surrounding body.
3. The effusion cell structure of claim 1, wherein the oil outlet chamber comprises a first oil chamber section and a second oil chamber section; the first oil chamber part is communicated with the second oil chamber part and forms a convex shape; and the first oil cavity part is provided with a notch communicated with the oil-gas outlet channel.
4. The effusion cell structure of claim 2, wherein the first, second, third, fourth, and fifth partitions are all of a communicating height that is less than the height of the side enclosure.
5. The effusion cell structure of claim 4, wherein the height of the oil outlet chamber is flush with the height of the side enclosure, and the baffle plate of the oil outlet chamber at the gap is lower than the height of the first baffle plate.
6. The effusion cell structure of claim 5, wherein the first, second, third and fourth baffles are provided with support pillars; the height of the supporting column is flush with that of the side surrounding body.
7. The effusion cell arrangement of claim 6, wherein the back of the side enclosure is provided with a recess at the location of the oil outlet chamber.
8. A liquid accumulation box structure as in claim 7, wherein the side enclosure is provided with fixing seats on both sides.
9. The effusion cell structure of claim 8, wherein the side wall body is further provided with a stiffener on the back.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120125260.7U CN214464593U (en) | 2021-01-18 | 2021-01-18 | Liquid accumulation box structure for preventing liquid fuel from entering carbon tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120125260.7U CN214464593U (en) | 2021-01-18 | 2021-01-18 | Liquid accumulation box structure for preventing liquid fuel from entering carbon tank |
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| CN214464593U true CN214464593U (en) | 2021-10-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648114A (en) * | 2021-01-18 | 2021-04-13 | 华晨鑫源重庆汽车有限公司 | Liquid accumulation box structure for preventing liquid fuel from entering carbon tank |
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2021
- 2021-01-18 CN CN202120125260.7U patent/CN214464593U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648114A (en) * | 2021-01-18 | 2021-04-13 | 华晨鑫源重庆汽车有限公司 | Liquid accumulation box structure for preventing liquid fuel from entering carbon tank |
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