CN208347954U - For connecting the liquid accumulating device and fuel tank evaporative emissions system of fuel tank and canister - Google Patents
For connecting the liquid accumulating device and fuel tank evaporative emissions system of fuel tank and canister Download PDFInfo
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- CN208347954U CN208347954U CN201820308321.1U CN201820308321U CN208347954U CN 208347954 U CN208347954 U CN 208347954U CN 201820308321 U CN201820308321 U CN 201820308321U CN 208347954 U CN208347954 U CN 208347954U
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- canister
- fuel tank
- interface
- valve
- gvv
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Abstract
The utility model relates to technical field of automobile accessories, more particularly, to a kind of liquid accumulating device and fuel tank evaporative emissions system for connecting fuel tank and canister；Including hydrops case, which is equipped with GVV valve interface, FLVV valve interface and canister interface；The liquid accumulating device and fuel tank evaporative emissions system that the purpose of this utility model is to provide a kind of for connecting fuel tank and canister, it is designed by liquid accumulating device, and the liquid accumulating device is respectively with the tank connected design of fuel tank and charcoal to solve canister installation site existing in the prior art lower than fuel tank installation site, and then it will lead to fuel oil and flow into canister, the active carbon in canister is caused to fail, increase fuel evaporation discharge, pollutes atmosphere.
Description
Technical field
The utility model relates to technical field of automobile accessories, more particularly, to a kind of for connecting the product of fuel tank and canister
Liquid device and fuel tank evaporative emissions system.
Background technique
Volatile gasoline in fuel tank is fuel-steam, to avoid fuel-steam from evaporateing into atmosphere, on fuel tank
Increase breather valve (GVV valve), fuel-steam enters canister by GVV valve, is absorbed by the active carbon in canister, to engine fuel
When steam electromagnetic valve is opened, the fuel-steam in canister enters engine and participates in burning, effectively reduces fuel evaporation discharge.State
Family will carry out six regulation of state, and fuel evaporation emission control is stringenter, and it is relatively more to be related to fuel system change amount, especially
Fuel tank, six fuel tank valve class of state on the basis of GVV valve compared to five fuel tank of state more increases spill valve (FLVV valve), at present
FLVV valve, GVV valve are directly connected with canister adsorption orifice by many vehicles.
Automobile bumpy road when driving, fuel oil in fuel tank surge, fuel oil can enter pipeline from GVV valve, FLVV valve,
Currently, many vehicles are because of arrangement limitations, canister installation site is lower than fuel tank installation site, and then will lead to combustion
Oil stream enters canister, and the active carbon in canister is caused to fail, and increases fuel evaporation discharge, pollutes atmosphere,
Therefore, regarding to the issue above the utility model urgent need provide a kind of liquid accumulating device for connecting fuel tank and canister and
Fuel tank evaporative emissions system.
Utility model content
Liquid accumulating device and the fuel tank evaporation that the purpose of this utility model is to provide a kind of for connecting fuel tank and canister
Exhaust system, is designed by liquid accumulating device and the liquid accumulating device is respectively with the tank connected design of fuel tank and charcoal to solve the prior art
Present in canister installation site be lower than fuel tank installation site, be easy to cause fuel oil flow into canister, cause the activity in canister
The problem of charcoal failure increases fuel evaporation discharge, pollutes atmosphere.
It is provided by the utility model a kind of for connecting the liquid accumulating device of fuel tank and canister, including hydrops case, the hydrops case
It is equipped with GVV valve interface, FLVV valve interface and canister interface.
Further, the canister interface is higher than the GVV valve interface and FLVV valve interface.
Further, the canister interface is set on the hydrops case side wall, and the GVV valve interface and the FLVV valve connect
Mouth is set to hydrops bottom portion.
Further, the GVV valve interface, the FLVV valve interface, the canister interface and the hydrops case are integrated
Injection molding.
Further, the GVV valve interface and FLVV valve interface are equipped with gasket.
Further, the GVV valve interface and the FLVV valve interface are bent-tube boiler interface.
The utility model further includes a kind of fuel tank evaporative emissions system, including fuel tank, the fuel tank with as among the above
Any described connects for connecting the hydrops case in fuel tank and the liquid accumulating device of canister, which also connects with canister
It connects.
Further, the fuel tank is equipped with GVV valve and FLVV valve；The GVV valve is lower than the GVV valve interface, institute
FLVV valve is stated lower than the FLVV valve interface；The GVV valve interface is connect with the GVV valve, the FLVV valve interface with it is described
The connection of FLVV valve.
Further, the canister interface is connect with the canister.
Further, the hydrops case is set to the fuel tank upper end.
A kind of liquid accumulating device and fuel tank evaporative emissions system for connecting fuel tank and canister provided by the utility model
There is following progress compared with prior art:
1, the liquid accumulating device provided by the utility model for connecting fuel tank and canister on the hydrops case by being arranged
The GVV valve interface and the FLVV valve interface, connect convenient for the hydrops case with the fuel tank on automobile, on the hydrops case
It is additionally provided with canister interface, convenient for connecting with the intracorporal canister of vehicle, the fuel-steam in fuel tank can be from first passing through the hydrops case
After enter back into canister, a small amount of fuel oil can stay in hydrops case, and fuel-steam can enter charcoal by the canister interface
In tank, the pollution to active carbon in canister not will cause.
2, provided in the utility model for connecting GVV valve interface described in fuel tank and the liquid accumulating device of canister, described
FLVV valve interface, the canister interface and the hydrops case are integrated injection molding, good seal performance, and use plastic material system
Standby, high temperature resistant and corrosion resistance and good can bear the corrosion of fuel-steam, and be prepared using plastic material, can not increase
Car body weight, preparation method is simple, and flexibility is good, facilitates installation.
3, the fuel tank evaporative emissions system provided in the utility model passes through the sequentially connected fuel tank, liquid accumulating device
With the canister, a small amount of fuel oil is avoided to enter in the canister, effectively avoids fuel oil from entering in the canister, cause institute
State the active carbon failure in canister.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is liquid accumulating device structural schematic diagram (perspective view) described in embodiment one；
Fig. 2 is the structural schematic diagram (top view) of fuel tank evaporative emissions system described in embodiment one；
Fig. 3 is the structural schematic diagram (side view) of fuel tank evaporative emissions system described in embodiment one；
Fig. 4 is the structural schematic diagram (main view) of liquid accumulating device described in embodiment two；
Description of symbols:
1- hydrops case；2-GVV valve interface；3-FLVV valve interface；4- canister interface；5- fuel tank；6- canister；7-GVV valve；
8-FLVV valve；9- gasket.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment one
As shown in Figure 1, one of the present embodiment is used to connect the liquid accumulating device of fuel tank and canister, including hydrops case 1, it should
Hydrops case is equipped with GVV valve interface 2, FLVV valve interface 3 and canister interface 4.
The utility model is convenient for the product by the way that GVV valve interface and the FLVV valve interface are arranged on the hydrops case
Liquid case is connect with the fuel tank on automobile, is additionally provided with canister interface on the hydrops case, convenient for connecting with the intracorporal canister of vehicle, is fired
Fuel-steam in fuel tank, which can enter back into after first passing through hydrops case to mouth, to be entered in canister, and a small amount of fuel oil can stay in hydrops
In case, fuel-steam can be entered in canister by the canister interface, not will cause the pollution to active carbon in canister.
As shown in Figure 1, canister interface described in the present embodiment is higher than the GVV valve interface and FLVV valve interface；The charcoal
Tank interface is set on the hydrops case side wall, and the GVV valve interface and the FLVV valve interface are set to hydrops bottom portion.
The utility model is higher than the design of the GVV valve interface and FLVV valve interface, Ke Yiyou by the canister interface
The fuel oil of effect avoided enter into the hydrops case enters in the canister in automobile.
As shown in Figure 1, the interface of GVV valve described in the present embodiment, the FLVV valve interface, the canister interface and the product
Liquid case is integrated injection molding.
The interface of GVV valve described in the utility model, the FLVV valve interface, the canister interface and the hydrops case are one
Body injection molding, good seal performance, and prepared using plastic material, high temperature resistant and corrosion resistance and good, fuel oil steaming can be born
The corrosion of vapour, and prepared using plastic material, car body weight can not be increased, preparation method is simple, and flexibility is good, facilitates peace
Dress.
As shown in Figure 1, GVV valve interface described in the present embodiment and the FLVV valve interface are bent-tube boiler interface, just
In the liquid accumulating device install it is more convenient with fuel tank in vehicle body, shorten the liquid accumulating device between fuel tank at a distance from, saving vehicle
Interior space.
As shown in Fig. 2, the present embodiment further includes a kind of fuel tank evaporative emissions system, including fuel tank 5, the fuel tank with
Being connected for connecting the hydrops case in fuel tank and the liquid accumulating device of canister as described in any in the claims, the product
Liquid case is also connect with canister 6.
In the utility model, by the sequentially connected fuel tank, the hydrops case and the canister, avoid a small amount of
Fuel oil enters in the canister, effectively avoids fuel oil from entering in the canister, the active carbon in the canister is caused to fail.
As shown in Fig. 2, fuel tank described in the present embodiment is equipped with GVV valve 7 and FLVV valve 8；The GVV valve is lower than described
GVV valve interface, the FLVV valve are lower than the FLVV valve interface；The GVV valve interface is connect with the GVV valve, the FLVV
Valve interface is connect with the FLVV valve.
The utility model is lower than the GVV valve interface by the GVV valve, and the FLVV valve is lower than the FLVV valve interface
Design pass through gravity when can make that fuel oil enters the GVV valve interface and the FLVV valve interface in the fuel tank
Effect, fuel oil comes back in the fuel tank, and without increasing other equipment, structure design is simple, practical.
As shown in Figure 2,3, institute's canister interface is connect by pipeline with the canister in the present embodiment.
As shown in figure 3, liquid accumulating device described in the present embodiment is set to the fuel tank upper end, facilitate access in the liquid accumulating device
Fuel oil returned in the fuel tank by gravity.
Embodiment two
The interface of GVV valve described in the utility model and the FLVV valve interface are improvement on the basis of embodiment one, real
Technology contents not repeated description disclosed in example one is applied, one disclosure of embodiment also belongs to the present embodiment disclosure.
GVV valve interface as described in Figure 4 and GVV valve junction are equipped with gasket, the FLVV valve interface with it is described
FLVV valve junction is equipped with gasket 9.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (8)
1. a kind of for connecting the liquid accumulating device of fuel tank and canister, it is characterised in that: including hydrops case, which is equipped with
GVV valve interface, FLVV valve interface and canister interface；The canister interface is higher than the GVV valve interface and FLVV valve interface；It is described
Canister interface is set on the hydrops case side wall, and the GVV valve interface and the FLVV valve interface are set to hydrops bottom portion.
2. according to claim 1 for connecting the liquid accumulating device of fuel tank and canister, it is characterised in that: the GVV valve connects
Mouth, the FLVV valve interface, the canister interface and the hydrops case are integrated injection molding.
3. according to claim 2 for connecting the liquid accumulating device of fuel tank and canister, it is characterised in that: the GVV valve connects
At mouthful and FLVV valve interface is equipped with gasket.
4. according to claim 3 for connecting the liquid accumulating device of fuel tank and canister, it is characterised in that: the GVV valve connects
Mouth and the FLVV valve interface are bent-tube boiler interface.
5. a kind of fuel tank evaporative emissions system, it is characterised in that: including fuel tank, the fuel tank and such as the claims 1-
It is any described for connecting the connection of the hydrops case in fuel tank and the liquid accumulating device of canister in 4, the hydrops case also with canister
Connection.
6. fuel tank evaporative emissions system according to claim 5, it is characterised in that: the fuel tank is equipped with GVV valve
With FLVV valve；The GVV valve is lower than the GVV valve interface, and the FLVV valve is lower than the FLVV valve interface；The GVV valve connects
Mouth is connect with the GVV valve, and the FLVV valve interface is connect with the FLVV valve.
7. fuel tank evaporative emissions system according to claim 6, it is characterised in that: the canister interface and the canister
Connection.
8. fuel tank evaporative emissions system according to claim 7, it is characterised in that: the hydrops case is set to the fuel oil
Case upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820308321.1U CN208347954U (en) | 2018-03-06 | 2018-03-06 | For connecting the liquid accumulating device and fuel tank evaporative emissions system of fuel tank and canister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820308321.1U CN208347954U (en) | 2018-03-06 | 2018-03-06 | For connecting the liquid accumulating device and fuel tank evaporative emissions system of fuel tank and canister |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208347954U true CN208347954U (en) | 2019-01-08 |
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ID=64884544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820308321.1U Active CN208347954U (en) | 2018-03-06 | 2018-03-06 | For connecting the liquid accumulating device and fuel tank evaporative emissions system of fuel tank and canister |
Country Status (1)
| Country | Link |
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| CN (1) | CN208347954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228479A (en) * | 2021-11-15 | 2022-03-25 | 岚图汽车科技有限公司 | Automobile fuel tank valve body arrangement method and structure |
-
2018
- 2018-03-06 CN CN201820308321.1U patent/CN208347954U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228479A (en) * | 2021-11-15 | 2022-03-25 | 岚图汽车科技有限公司 | Automobile fuel tank valve body arrangement method and structure |
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