CN201666201U - Assembly of oil-spilling stop valve and active carbon pot and the oil-tank employing the same - Google Patents
Assembly of oil-spilling stop valve and active carbon pot and the oil-tank employing the same Download PDFInfo
- Publication number
- CN201666201U CN201666201U CN2010201501071U CN201020150107U CN201666201U CN 201666201 U CN201666201 U CN 201666201U CN 2010201501071 U CN2010201501071 U CN 2010201501071U CN 201020150107 U CN201020150107 U CN 201020150107U CN 201666201 U CN201666201 U CN 201666201U
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- oil
- cavity
- valve
- charcoal canister
- assemblying body
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
Abstract
The utility model relates to an assembly of oil-spilling stop valve and active carbon pot comprising an active carbon pot and an oil-spilling stop valve connecter thereto. The active carbon pot is provided with a desorption mouth communicable with the motor. The desorption mouth further comprises a housing having a first cavity constituting the oil-spilling stop valve, a third cavity constituting the active carbon pot and a second cavity communicable to the second cavity; the first cavity is provided with a interconnecting pore connected with an oil tank and a gas valve mouth; the first cavity further includes a floating plug disposed between the interconnecting pore and the gas valve mouth and used to open or close the gas valve mouth; the third cavity includes a filter device and active carbon; inside the second cavity is arranged a two-way valve used to communicate the first cavity and the third cavity.
Description
Technical field
The utility model relates to the assemblying body of a kind of oil spilling cut-off valve and charcoal canister, relates more specifically to the integrated device that a kind of oil spilling cut-off valve and charcoal canister are combined into one; The utility model also relates to the fuel tank with this assemblying body.
Background technique
In order to prevent that Motor Vehicle from tilting or when overturning, the problem that oil plant leaks takes place, generally all can be on the oil gas vent and the fairway between the charcoal canister of motor vehicle oil tank, install an oil spilling cut-off valve, in the hope of when Motor Vehicle is toppled over, can mat oil spilling cut-off valve be closed by above-mentioned fairway blocking-up, take place to prevent the situation that oil plant leaks.Simultaneously, charcoal canister is installed and used on vehicle widely, is used to filter the oil gas of volatilization in the fuel tank, and connects above-mentioned oil spilling cut-off valve on oil and gas pipes, and charcoal canister and oil spilling cut-off valve are arranged between fuel tank and the engine charge end.
But, the connection oil spilling cut-off valve in the discharge vaporization system and the oil and gas pipes of charcoal canister are to use some flexible pipes to realize, the length of these flexible pipes is long more or the quantity of flexible pipe is many more, impedance in the oil and gas pipes is just big more, to such an extent as to reduced the negative-pressure sucking in the oil and gas pipes, be unfavorable for reclaiming swimmingly the fluid steam; And, exist the fluid steam in these flexible pipes always, just increased the infiltration capacity of fluid steam greatly, not only wasted fluid but also befouling environment; Moreover, because parts such as oil spilling cut-off valve, charcoal canister, flexible pipe all be the parts of monomer separately, producing and the fit on more complicated consuming time and increase cost, the problem that more is unfavorable for reducing the assembled arrangement space.
The model utility content
Be unfavorable for fluid vapor recovery, complex structure and other problems at existence such as prior art charcoal canister and oil spilling cut-off valves, that one of the purpose of this utility model provides is a kind of simple in structure, easy to assembly, be beneficial to the oil spilling cut-off valve that oil gas reclaims and the assemblying body of charcoal canister.
The assemblying body of a kind of oil spilling cut-off valve and charcoal canister, the oil spilling cut-off valve portion that comprises charcoal canister portion and be communicated with charcoal canister portion, described charcoal canister portion is provided with the desorption mouth that is connected with motor, wherein, also comprise a housing, described housing has first cavity that constitutes oil spilling cut-off valve portion, the 3rd cavity that constitutes charcoal canister portion and second cavity that is communicated with first cavity; Described first cavity has an intercommunicating pore that is communicated with fuel tank and oil gas valve port, also comprises in described first cavity movablely being arranged at being used between intercommunicating pore and the oil gas valve port and sealing or open the floating plug assembly of described oil gas valve port; Be equiped with filter member and active carbon in described the 3rd cavity; Hold in described second cavity and be useful on the two-way valve that is communicated with first cavity and the 3rd cavity.
As further improvement, described first cavity comprises an oil return structure, and described oil gas valve port is arranged on the oil return structure, also is provided with at least one spill port on the described oil return structure.
As further improvement, described floating plug assembly comprises floating plug body and spring, and the floating plug body is supported in first cavity by spring.
As further improvement, described first cavity has the gas channel that is communicated with the oil gas valve port, and described first cavity is communicated with by gas channel with second cavity.
As further improvement, described oil return structure has an oil-return groove and valve plug chamber, described oil-return groove is arranged at the outside in valve plug chamber, described oil-return groove is between oil gas valve port and gas channel, and described spill port is arranged at the joint of the diapire of the sidewall in valve plug chamber of described oil return structure and oil-return groove.
As further improvement, described spill port is arranged at the side away from gas channel of the joint of described oil return structure.
As further improvement, the diapire of described oil-return groove is wedge shape, and inside the tilting towards the floating plug assembly from high to low of the inner surface radial direction that is positioned at oil-return groove one side of the diapire of oil-return groove.
As further improvement, the assemblying body of described oil spilling cut-off valve and charcoal canister also comprises the 4th cavity that is communicated with the 3rd cavity, and the 4th cavity is provided with and is used for the gas port that is communicated with atmosphere, accommodates the filtrating equipment of filtered air in the 4th cavity.
Another purpose of the present utility model provides a kind of fuel tank, comprise casing, described casing is provided with a perforate, wherein, also comprise the above-mentioned oil spilling cut-off valve and the assemblying body of charcoal canister, the intercommunicating pore of the assemblying body of described oil spilling cut-off valve and charcoal canister is connected with the perforate of casing.
The oil spilling cut-off valve that the utility model provides and the assemblying body of charcoal canister, the structure that has comprised the oil spilling cut-off valve, that is to say that a charcoal canister and oil spilling cut-off valve are as an assemblying body, more simple in structure, between charcoal canister and oil spilling cut-off valve, need not being connected by flexible pipe, reduced the infiltration capacity of fuel oil, reduced the waste of data and to the pollution of environment, help the recovery absorption of fluid steam, and be very convenient equally when it is installed on fuel tank, and the saving space, also improved manufacturing efficiency greatly; Simultaneously, be provided with the oil return structure in first cavity of oil spilling cut-off valve portion, the fuel flow returns that can make outflow is in first cavity and in the final backflow fuel tank, and then can prevent effectively that also fuel oil from overflowing in the oil spilling cut-off valve.
Description of drawings
Fig. 1 is the structural representation of a kind of mode of execution of the present utility model.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1, a kind of mode of execution of the assemblying body of a kind of oil spilling cut-off valve of the present utility model and charcoal canister, the oil spilling cut-off valve portion that comprises charcoal canister portion and be communicated with charcoal canister portion, the desorption mouth 31 that described charcoal canister portion is provided with two-way valve and is connected with motor, wherein, also comprise a housing 5, described housing 5 has first cavity 1 that constitutes oil spilling cut-off valve portion, the 3rd cavity 3 that constitutes charcoal canister portion and second cavity 2 that is communicated with first cavity 1; Described first cavity 1 has an intercommunicating pore 10 that is communicated with fuel tank 4 and an oil gas valve port 11, also comprises in described first cavity 1 movablely being arranged at being used between intercommunicating pore 10 and the oil gas valve port 11 and sealing or open the floating plug assembly of described oil gas valve port 11; Be equiped with filter member 32 and active carbon 33 in described the 3rd cavity 3; Described two-way valve is contained in second cavity 2, constitutes above-mentioned two-way valve by two one-way valves 30, and its structure is known in those skilled in the art, so no longer detailed.Described first cavity 1 also comprises an oil return structure, and described oil gas valve port 11 is arranged on the oil return structure, also is provided with at least one spill port 12 on the described oil return structure.Described first cavity 1 has the gas channel 17 that is communicated with oil gas valve port 11, and described first cavity 1 is communicated with by gas channel 17 with second cavity 2.Described desorption mouth 31 is arranged on the outside of housing 5.The assemblying body of described oil spilling cut-off valve and charcoal canister also comprises the 4th cavity 6 that is communicated with the 3rd cavity 3.The 4th cavity 6 is provided with and is used for the gas port 60 that is communicated with atmosphere, and described gas port 60 is arranged on the outside of housing 5.Also accommodate the filtrating equipment 61 of filtered air in the 4th cavity 6, described filtrating equipment 61 is a filter screen, as adopting nonwoven fabric etc., is used to filter out airborne impurity.Filter member 32 in described the 3rd cavity 3 also can adopt nonwoven fabric etc.When atmospheric pressure greater than fuel tank 4 in during the spring force sum of fuel vapour pressure and two one-way valves, one of them one-way valve from the 3rd cavity 3 to the 1 direction conducting of first cavity, air will enter into fuel tank 4 through the assemblying body of oil spilling cut-off valve and charcoal canister, replenishes the pressure of fuel tank 4.When the pressure of fuel vapor in the fuel tank 4 during greater than the spring force sum of barometric pressure and two one-way valves, then another one-way valve from first cavity 1 to the 3 direction conductings of the 3rd cavity, fuel vapor in the fuel tank 4 just enters the 3rd cavity 3, and the fuel molecule in the fuel vapor is attracted to the surface of activated carbon granule.This shows, have only pressure under certain condition two-way valve just open, fuel tank 4 and the 3rd cavity 3 just can be communicated with.So just can make active carbon and fuel tank is not to communicate constantly, just can increase the working life of active carbon, improves the desorption efficient when desorption oil gas of active carbon.
Floating plug assembly in described first cavity 1 comprises floating plug body 13 and spring 14, and floating plug body 13 is supported in first cavity 1 by spring 14, and described spring 14 can realize that floating plug body 13 is supported in first cavity 1 movably to be provided with on the diapire of intercommunicating pore 10.Described floating plug body 13 has an inner chamber, and this inner chamber is formed with a cylindrical portion, and described spring 14 1 ends are sheathed on the cylindrical portion, and the other end is fixedly set on the diapire of described first cavity 1.The diapire of described first cavity 1 can be to be made of a cover-shaped structure, and this cover-shaped structure covers first cavity 1.
Described oil return structure has an oil-return groove 15 and valve plug chamber 16, described oil-return groove 15 is arranged at the outside in valve plug chamber 16, described oil-return groove 15 is between oil gas valve port 11 and gas channel 17, and described spill port 12 is arranged at the joint of the diapire of the sidewall in valve plug chamber 16 of described oil return structure and oil-return groove 15.Described oil-return groove 15 ringwise, and its cross section is roughly the U type.As a kind of optimal way, described spill port 12 is arranged at the side away from gas channel 17 of the above-mentioned joint of described oil return structure, so can avoid when fuel tank 4 during toward gas channel 17 lopsidedness, after fuel oil enters annular oil-return groove 15 from spill port 12, can not make fuel oil enter gas channel 17 toward gas channel 16 lopsidedness because of assemblying body of the present utility model, and then fuel oil is entered in second cavity 2, avoided the deposition of fuel oil in second cavity 2, also avoided the cumulative consequence that infilters the 3rd cavity 3 because of fuel oil.In addition, even there is fluid to overflow from first cavity 1, described second cavity 2 also has the effect of holding fluid, can be used to hold certain fluid, and fluid is directly entered in the 3rd cavity 3.Described spill port 12 is set to one and gets final product, and just can satisfy the backflow of fuel oil.The diapire of described oil-return groove 15 can be designed as and is wedge shape, and inside the tilting towards the floating plug assembly from high to low of the inner surface radial direction that is positioned at oil-return groove 15 1 sides of the diapire of oil-return groove 15, so is provided with the collection and the backflow that are beneficial to the fuel oil that is splashed into oil-return groove 15.
The utility model also provides a kind of fuel tank, as a kind of mode of execution, this fuel tank 4 comprises casing 40, described casing is provided with a perforate 41, and comprising the above-mentioned oil spilling cut-off valve and the assemblying body of charcoal canister, the intercommunicating pore 10 of the assemblying body of described oil spilling cut-off valve and charcoal canister is connected with the perforate 41 of casing 40.So, the fluid steam in the fuel tank 4 and then can enter in the 3rd cavity 3 in its passage enters first cavity 1 of combinations thereof body.
The composite unit structure of oil spilling cut-off valve of the present utility model and charcoal canister is simple, between charcoal canister and oil spilling cut-off valve, need not being connected by flexible pipe, and be very convenient equally when it is installed on fuel tank, and save the space, also improved manufacturing efficiency greatly.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although the utility model is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that: still can make amendment or be equal to replacement the utility model, the any modification or partial replacement that does not break away from spirit and scope of the present utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (10)
1. the assemblying body of oil spilling cut-off valve and charcoal canister, the oil spilling cut-off valve portion that comprises charcoal canister portion and be communicated with charcoal canister portion, described charcoal canister portion is provided with the desorption mouth that is connected with motor, it is characterized in that: also comprise a housing, described housing has first cavity that constitutes oil spilling cut-off valve portion, the 3rd cavity that constitutes charcoal canister portion and second cavity that is communicated with first cavity; Described first cavity has an intercommunicating pore that is communicated with fuel tank and oil gas valve port, also comprises in described first cavity movablely being arranged at being used between intercommunicating pore and the oil gas valve port and sealing or open the floating plug assembly of described oil gas valve port; Be equiped with filter member and active carbon in described the 3rd cavity; Hold in described second cavity and be useful on the two-way valve that is communicated with first cavity and the 3rd cavity.
2. the assemblying body of oil spilling cut-off valve as claimed in claim 1 and charcoal canister is characterized in that: described first cavity comprises an oil return structure, and described oil gas valve port is arranged on the oil return structure, also is provided with at least one spill port on the described oil return structure.
3. the assemblying body of oil spilling cut-off valve as claimed in claim 1 and charcoal canister is characterized in that: described floating plug assembly comprises floating plug body and spring, and the floating plug body is supported in first cavity by spring.
4. the assemblying body of oil spilling cut-off valve as claimed in claim 1 and charcoal canister is characterized in that: described first cavity has the gas channel that is communicated with the oil gas valve port, and described first cavity is communicated with by gas channel with second cavity.
5. the assemblying body of oil spilling cut-off valve as claimed in claim 2 and charcoal canister, it is characterized in that: described oil return structure has an oil-return groove and valve plug chamber, described oil-return groove is arranged at the outside in valve plug chamber, described oil-return groove is between oil gas valve port and gas channel, and described spill port is arranged at the joint of the diapire of the sidewall in valve plug chamber of described oil return structure and oil-return groove.
6. the assemblying body of oil spilling cut-off valve as claimed in claim 5 and charcoal canister is characterized in that: described spill port is arranged at the side away from gas channel of the joint of described oil return structure.
7. the assemblying body of oil spilling cut-off valve as claimed in claim 5 and charcoal canister is characterized in that: the diapire of described oil-return groove is wedge shape, and inside the tilting towards the floating plug assembly from high to low of the inner surface radial direction that is positioned at oil-return groove one side of the diapire of oil-return groove.
8. the assemblying body of oil spilling cut-off valve as claimed in claim 5 and charcoal canister is characterized in that: described oil-return groove ringwise, and its cross section is roughly the U type.
9. the assemblying body of oil spilling cut-off valve as claimed in claim 1 and charcoal canister, it is characterized in that: the assemblying body of described oil spilling cut-off valve and charcoal canister also comprises the 4th cavity that is communicated with the 3rd cavity, the 4th cavity is provided with and is used for the gas port that is communicated with atmosphere, accommodates the filtrating equipment of filtered air in the 4th cavity.
10. fuel tank, comprise casing, described casing is provided with a perforate, it is characterized in that: comprise that also the intercommunicating pore of the assemblying body of described oil spilling cut-off valve and charcoal canister is connected with the perforate of casing as the assemblying body of arbitrary described oil spilling cut-off valve of claim 1 to 9 and charcoal canister.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201501071U CN201666201U (en) | 2010-03-29 | 2010-03-29 | Assembly of oil-spilling stop valve and active carbon pot and the oil-tank employing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201501071U CN201666201U (en) | 2010-03-29 | 2010-03-29 | Assembly of oil-spilling stop valve and active carbon pot and the oil-tank employing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201666201U true CN201666201U (en) | 2010-12-08 |
Family
ID=43267160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201501071U Expired - Lifetime CN201666201U (en) | 2010-03-29 | 2010-03-29 | Assembly of oil-spilling stop valve and active carbon pot and the oil-tank employing the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201666201U (en) |
-
2010
- 2010-03-29 CN CN2010201501071U patent/CN201666201U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101208 |
|
| CX01 | Expiry of patent term |