CN101423023A - Motor oil gas separation device - Google Patents
Motor oil gas separation device Download PDFInfo
- Publication number
- CN101423023A CN101423023A CNA2008101989025A CN200810198902A CN101423023A CN 101423023 A CN101423023 A CN 101423023A CN A2008101989025 A CNA2008101989025 A CN A2008101989025A CN 200810198902 A CN200810198902 A CN 200810198902A CN 101423023 A CN101423023 A CN 101423023A
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- needle
- float
- valve
- gas separation
- separation device
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention relates to an oil and gas separation unit of a motorcycle, comprising a base and a shell body. The base is provided with an anti-heeling device and an oil drainage hole; a pin valve guide groove extends downward along the inner top surface of the shell body; the pin valve guide groove is provided with a balance air hole at a position which is close to the bottom of the groove; the bottom of the pin valve guide groove is provided with an air vent; the central part of the top surface of the shell body is provided with an air passage which is communicated with the air vent; the top surface of the shell body is also provided with an air inlet; the shell body is internally provided with a float which is provided with a through hole; the through hole is matched with the groove wall extending from the pin valve guide groove; and a pushing structure is arranged between the float and the pin valve. In the structure of the invention, an oil tank is provided with the anti-heeling device, so the pin valve can block the air vent when the oil tank is in pouring and the fuel can not flow outward; the pin valve is matched with the float and the float drives the pin valve to move up and down according to the change of the oil quantity, thus meeting that the fuel is ensured to be separated from the hydrocarbon gas when the oil quantity in the oil tank is different. The invention has small structure and low cost and price.
Description
Technical field
The present invention relates to motorcycle component, especially a kind of motor oil gas separation device.
Background technology
The motorcycle emission pollutants mainly contains hydro-carbon, nitrogen oxygenate, carbonic oxide, particulate etc., and they are mainly by the motor exhaust tube drainage, and nearly other pollutant substance of 45% hydro-carbon and minimum number is then by crankcase and fuel oil system discharging.
In above-mentioned motorcycle emission pollutants, carbonic oxide is the unburnt product of fuel oil, and is bigger to people's health hazard.Hydro-carbon mainly is fuel oil evaporation and unburnt product, and the compositions different by kind more than 200 constitute, and contain carcinogen.Nitrogen oxides is under the combustion chamber high temperature condition of high voltage, is closed by nitrogen and oxidation to form, and becomes nitrogen dioxide after being discharged into atmosphere, and its toxicity is very strong, and people and plant growth are all had harmful effect, is one of main matter that forms acid rain and Los Angelos smog.Main Ingredients and Appearance is a soot, with a large amount of chemical substances, comprises carcinogen above, can stop for a long time in lung behind the suction human body.
Increase along with motor bike quantity, the motorcycle emission pollutants is serious day by day to the harm meeting that environment causes, therefore the limit value standard of restriction motor bike exhaust emission has all successively been formulated in countries in the world and area, and China has issued motorcycle fuel evaporation standard " GB20998-2007 motor bike and trail bike fuel evaporation pollutant emission limit set and method of measurement " at present.
Fuel oil evaporation is so long as the vent by fuel tank is diffused in the atmosphere, and fuel tank vent guarantees that fuel oil flows out smoothly, therefore can not simply seal this vent.Fuel oil indiffusion evaporation must be taken measures to guarantee, the fuel oil proper flow can not be hindered simultaneously.The general at present canister absorption control technology that adopts, this technology derives from auto trade.The principle of work of canister absorption method is: the oil gas that volatilizees in the fuel tank (main component comprise CH etc.) is adsorbed onto the active carbon in the canister by the road.When engine operation, by suction function, with the fuel induction driving engine internal combustion of adsorbing in the canister.
If vehicle will be installed the canister device, also need fuel tank structure particular design, generally be that fuel lid is sealed, in fuel tank, establish a hole, connect canister by this hole, and canister itself can only absorb steam, can not flow into fuel liquid, in the prior art, people have increased gas and oil separating plant in fuel tank, and gas and oil separating plant is communicated with the exterior canister of fuel tank, but still there is shortcoming in gas and oil separating plant of the prior art, when fuel tank a certain direction occurred and topples over, fuel oil can flow in the canister, makes canister lose function.In the other prior art, the material therefor cost is higher, and relatively heavier.
Summary of the invention
To be solved by this invention and technical matters provides a kind of motor oil gas separation device, make fuel tank can both guarantee that under any circumstance hydrocarbon gas separates with fuel oil, and gas can successfully be discharged to canister and be absorbed by canister, and entering into air extractor vent never, fuel oil flows to canister, small and exquisite being convenient to of apparatus of the present invention installed, and cost of price is low.
For solving the problems of the technologies described above technical scheme provided by the invention be: a kind of motor oil gas separation device comprises base, housing; Described base is provided with anti-tilt device, also is provided with outage on the described base; Described housing inner top surface extension downwards is provided with the needle-valve direction recess, described needle-valve direction recess approaches the bottom land place and is provided with the balance pore, the bottom land of described needle-valve direction recess has air extractor vent, be provided with air passage in the middle of the described housing end face, air extractor vent is communicated with air passage, and described housing end face also is provided with induction opening; Be provided with float in the described housing, described float has a through hole, and the cell wall that stretches out on described through hole and the described needle-valve direction recess matches, and is provided with the pushing tow structure between described float and the needle-valve.
As improvement, described anti-tilt device is provided with a ball for to be provided with a circular concave surface on base on described circular concave surface, and the working space of ball is limited in circular concave surface top, below described pushing tow structure.Described anti-tilt device or for to be provided with a circular concave surface on described base is provided with a slide block on described concave surface, the working space of slide block is limited in circular concave surface top, below described pushing tow structure.When the fuel tank run-off the straight, guaranteed that ball or slide block can be free to slide on circular concave surface, when fuel tank recovered steady, anti-tilt device can be slided go back to the home position.
As improvement, described pushing tow structure is for to be fixed with reed on described float, and described reed is provided with crozier, and described needle-valve extension downwards is provided with projection, also is provided with " U " shape hook on the described needle-valve; Described crozier contacts with described projection on-fixed, and described crozier stretches into " U " shape mouth of described " U " shape hook.When float floated, float drive reed and crozier were together to rising, and the projection on the needle-valve contacts with crozier at this moment, and crozier has also promoted needle-valve and moved up; When float fell, float drive reed and crozier were together to the whereabouts, because " U " shape on the needle-valve hangs on the crozier, crozier falls to also having spurred " U " shape hook to be hung, thereby needle-valve is moved down.
As improvement, described pushing tow structure is for to be fixed with reed on described float, and described reed is provided with crozier, and described needle-valve is provided with groove; Described crozier is stated groove with stretching into.When float floated, float drove reed and crozier together to rising, the one side of the groove on crozier and the needle-valve near, move up thereby promoted needle-valve; When float fell, float drive reed and crozier were together to the whereabouts, thereby the another side of the groove on crozier and the needle-valve moves down near the pulling needle-valve.
As improvement, described housing end face extension downwards is provided with guidepost, and described float is provided with guide through hole, and described guidepost matches with described guide through hole, has guaranteed can stablize when float rises and descends freely suitable.
As improvement, described housing is provided with breather hole.The air pressure that is used for equilibrium oil air separation and fuel tank.
Compared with prior art, in the structure of the present invention, increased the failure-free anti-tilt device, fuel tank is taking place under any direction tilt state, and anti-tilt device can both be made action, thereby needle-valve can be blocked air extractor vent when fuel tank is toppled over, and does not allow fuel oil to outflow.Adopted special needle valve structure, needle-valve is equipped with float, and float drives needle-valve according to the variation of oil mass and moves up and down, and has satisfied when having different oil mass in fuel tank, can both guarantee that fuel oil separates with hydrocarbon gas.In addition, it is small and exquisite that apparatus of the present invention have structure, the advantage that cost of price is low.
Description of drawings
Fig. 1 is the prior art structural perspective;
Fig. 2 is a structural perspective of the present invention;
Fig. 3 is a structure birds-eye view of the present invention;
Fig. 4 is the C-C sectional structure chart in needle-valve when work among Fig. 3;
D-D sectional structure chart when Fig. 5 does not work for the needle-valve among Fig. 3;
Fig. 6 is the anti-tilt device among Fig. 3 and the D-D sectional structure chart of pushing tow structural change;
Fig. 7 is the Floater Structure front view among the present invention;
Fig. 8 is the Floater Structure block diagram among the present invention.
The specific embodiment
The invention will be further described below in conjunction with Figure of description.
Shown in Fig. 1 to 4, a kind of motor oil gas separation device comprises base 6, housing 5.Described base 6 is provided with circular concave surface 21, has placed a ball 16 on the circular concave surface 21, also is provided with an outage 17 on the base 6.Described housing 5 inner top surfaces extension downwards are provided with needle-valve direction recess 19, the bottom land place that approaches of needle-valve direction recess 19 is provided with two balance pores 8, the bottom land center of needle-valve direction recess 19 has air extractor vent 12, air extractor vent 12 is connected with the middle air passage 11 that is provided with of housing 5 upper bottom surfaces, air passage 11 is communicated with the canister in the external world, and described housing 5 upper bottom surfaces also are provided with induction opening 7.Be provided with float 13 in the described housing 5, as Fig. 6, shown in Figure 7, the shape of float 13 matches with housing 5 shapes, float 13 is provided with two guide through hole 24, this guide through hole 24 matches with two guideposts 14 that housing 5 is provided with, described float 13 centers also have a through hole, and the cell wall that stretches out on through hole and the described needle-valve direction recess 19 matches.Float 13 bottom surface captive joints one reed 15, reed 15 is provided with needle-valve 10.The extension downwards of described needle-valve 10 is provided with a projection 20, also be provided with one on the needle-valve 10 " U " shape hook 18, also be fixed with crozier 23 on the described reed 15, projection 20 contacts with crozier 23 on-fixeds, and crozier 23 passes " U " shape hook 18, crozier 23 stretches into " U " shape mouth of " U " shape hook.
When float 13 come-ups, float 13 drive reeds 15 and crozier 23 are together to rising, and the projection 20 on the needle-valve 10 contacts with crozier 23 at this moment, and crozier 23 has also promoted needle-valve 10 and moved up; When float 13 fell, float 13 drive reeds 15 and crozier 23 were together to the whereabouts, because " U " shape on the needle-valve 10 hangs on the crozier 23, crozier 23 falls to also having spurred " U " shape hook to be hung, thereby needle-valve 10 is moved down.
Gas and oil separating plant of the present invention is installed in the fuel tank top near the oil inlet place.When the fuel level in the fuel tank is low, as shown in Figure 5, fuel level in the gas and oil separating plant is no show needle-valve direction recess 19 bottoms still, float 13 is subjected to the buoyancy come-up, float 13 drives needle-valve 10 and moves up together, but needle-valve 10 fails to block air extractor vent 12, and air extractor vent 12 is in full open position.Fuel oil in the fuel tank volatilizes hydrocarbon gas, this hydrocarbon gas can enter into gas and oil separating plant by induction opening 7 or the breather hole 9 that gas and oil separating plant is provided with, because the fuel tank internal gas pressure is bigger than ambient pressure, hydrocarbon gas can enter into air extractor vent 12, be arranged in the exterior canister of fuel tank along air passage 11 consistent arrival, absorbed by canister at last.
As shown in Figure 3, liquid level rises in fuel tank, and the fuel level in the gas and oil separating plant arrives needle-valve direction recess 19, and needle-valve direction recess 19 notches are flooded fully, fuel oil can volatilize hydrocarbon gas in needle-valve direction recess 19 spaces, produce the another one anticyclonic pressure.If needle-valve direction recess 19 is not provided with under balance pore 8 situations, needle-valve direction recess 19 internal gas pressures can be than external pressure height, the fuel oil in the needle-valve direction recess 19 might suck-back in air extractor vent 12, arrive exterior canister along air passage 11 always.Two balance pores 8 are communicated with needle-valve direction recess 19 with gas and oil separating plant, and fuel tank is communicated with gas and oil separating plant by induction opening 7 or breather hole 9, thereby the air pressure in fuel tank, gas and oil separating plant and the needle-valve direction recess 19 can be consistent, and have prevented to produce high pressure in the needle-valve direction recess 19 and cause fuel oil to flow backwards.In addition, the hydro-carbon that produces in the fuel tank can enter into gas and oil separating plant from induction opening 77 or breather hole 9, enter in the needle-valve direction recess 19 by balance pore 8 then, under pressure, hydrocarbon gas is discharged from air extractor vent 12, enter into exterior canister along air passage 11, absorbed by canister.
Liquid level rises again in fuel tank, and gas and oil separating plant almost completely is immersed in the fuel oil, and float 13 parts are dipped in the fuel oil and liquid level has surpassed the balance pore 8 that needle-valve direction recess 19 is provided with.Be full of fuel oil fully in the needle-valve direction recess 19 at this moment, for preventing that fuel oil from flowing in the air extractor vent 12, needle-valve 10 is blocked air extractor vent 12 fully, needle-valve direction recess 19 becomes one with gas and oil separating plant, no longer produce high pressure in the needle-valve direction recess 19, fuel oil in the needle-valve direction recess 19 can not produce the suck-back phenomenon, and float 13 promotes needle-valve 10 by failure-free under the buoyancy and blocks air extractor vent 12.
When fuel tank is toppled over, the ball 16 that base 6 is provided with adipping on circular concave surface 21 rolls, circular concave surface 21 is that middle low periphery is high with respect to base 6, ball 16 outwards rolls along circular concave surface 21, ball 16 also just increases with respect to the distance of base 6, contact with reed 15 at last, ball 16 has enough thrust that reed 15 is upwards pushed away, crozier 23 on the reed 15 contacts with projection 20 on the needle-valve 10, and promotion needle-valve 10 moves up, reed 15 also drives float 13 and moves up together, float 13 is along the reliable and stable reach of guidepost 14, thereby make just in time air extractor vent 12 being blocked fully of needle-valve 10, prevented that the fuel oil of toppling over from entering air extractor vent 12 and flowing into and damage canister in the canister.When fuel tank recovers plateau, ball 16 is reset, no longer contact with reed 15, float 13 drives reed 15 to the whereabouts, crozier 23 fastens with " U " shape hook, crozier 23 has spurred " U " shape hook and has fallen, and needle-valve 10 also falls in the lump simultaneously, and gas and oil separating plant is in normal working once more.
Shown in Fig. 3 to 5, a kind of motor oil gas separation device comprises base 6, housing 5.Described base 6 is provided with circular concave surface 21, has placed a slide block 22 on the circular concave surface 21, also is provided with an outage 17 on the base 6.Described housing 5 inner top surfaces extension downwards are provided with needle-valve direction recess 19, the bottom land place that approaches of needle-valve direction recess 19 is provided with two balance pores 8, the bottom land center of needle-valve direction recess 19 has air extractor vent 12, air extractor vent 12 is connected with the air passage 11 that housing 5 upper bottom surfaces are provided with, air passage 11 is communicated with the canister in the external world, and described housing 5 upper bottom surfaces also are provided with induction opening 7.Be provided with float 13 in the described housing 5, as Fig. 6, shown in Figure 7, the shape of float 13 matches with housing 5 shapes, float 13 is provided with two guide through hole 24, this guide through hole 24 matches with two guideposts 14 that housing 5 is provided with, described float 13 centers also have a through hole, and the cell wall that stretches out on through hole and the described needle-valve direction recess 19 matches.Float 13 bottom surface captive joints one reed 15, reed 15 is provided with needle-valve 10.Also be provided with groove 25 on the needle-valve 10, also be fixed with crozier 23 on the described reed 15, described crozier 23 stretches into described groove 25.
When float 13 come-up, float 13 drives reeds 15 and crozier 23 together to rising, the one side of the groove 25 on crozier 23 and the needle-valve 10 near, move up thereby promoted needle-valve 10; When float 13 fell, float 13 drive reeds 15 and crozier 23 were together to the whereabouts, thereby the another side of the groove 25 on crozier 23 and the needle-valve 10 moves down near pulling needle-valve 10.
The principle of work of the described pushing tow structure of present embodiment is the same with pushing tow structure working principle described in the foregoing description 1.Slide block on the described anti-tilt device is the same with ball principle of work on the anti-tilt device described in the embodiment, has just done pro forma change, has structure of the present invention arbitrarily, and just do slightly to change, all belong to the present invention and protect category. in form
The invention enables fuel tank can both guarantee that under any circumstance hydrocarbon gas separates with fuel oil, and gas can be discharged to canister smoothly and be absorbed by canister, and fuel oil enters into air extractor vent 12 never and flows to canister, and small and exquisite being convenient to of apparatus of the present invention is installed, and cost of price is low.
Claims (8)
1. a motor oil gas separation device comprises base, housing; It is characterized in that: described base is provided with anti-tilt device, also is provided with outage on the described base; Described housing inner top surface extension downwards is provided with the needle-valve direction recess, described needle-valve direction recess approaches the bottom land place and is provided with the balance pore, the bottom land of described needle-valve direction recess has air extractor vent, be provided with air passage in the middle of the described housing end face, air extractor vent is communicated with air passage, and described housing end face also is provided with induction opening; Be provided with float in the described housing, described float has a through hole, and the cell wall that stretches out on described through hole and the described needle-valve direction recess matches, and is provided with the pushing tow structure between described float and the needle-valve.
2. motor oil gas separation device according to claim 1, it is characterized in that: described anti-tilt device is for being provided with a circular concave surface on base, be provided with a ball on described circular concave surface, the working space of ball is limited in circular concave surface top, below described pushing tow structure.
3. motor oil gas separation device according to claim 1, it is characterized in that: described anti-tilt device is for being provided with a circular concave surface on base, be provided with a slide block on described concave surface, the working space of slide block is limited in circular concave surface top, below described pushing tow structure.
4. according to any described motor oil gas separation device of claim 1～3, it is characterized in that: described pushing tow structure is for being fixed with reed on described float, described reed is provided with crozier, described needle-valve is provided with " U " shape hook, and described crozier stretches into " U " shape mouth of described " U " shape hook.
5. motor oil gas separation device according to claim 4 is characterized in that: described needle-valve extension downwards is provided with projection, and described projection contacts with described enough shape body on-fixeds.
6. according to any described motor oil gas separation device of claim 1～3, it is characterized in that: described pushing tow structure is for to be fixed with reed on described float, described reed is provided with crozier, and described needle-valve is provided with groove; Described crozier stretches into described groove.
7. motor oil gas separation device according to claim 1 is characterized in that: described housing end face extension downwards is provided with guidepost, and described float is provided with guide through hole, and described guidepost matches with described guide through hole.
8. motor oil gas separation device according to claim 7 is characterized in that: described housing is provided with breather hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101989025A CN101423023B (en) | 2008-09-28 | 2008-09-28 | Motor oil gas separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101989025A CN101423023B (en) | 2008-09-28 | 2008-09-28 | Motor oil gas separation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101423023A true CN101423023A (en) | 2009-05-06 |
| CN101423023B CN101423023B (en) | 2011-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101989025A Active CN101423023B (en) | 2008-09-28 | 2008-09-28 | Motor oil gas separation device |
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| CN (1) | CN101423023B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109399543A (en) * | 2017-08-18 | 2019-03-01 | 比亚迪股份有限公司 | Fuel loading system |
| CN110193241A (en) * | 2019-06-24 | 2019-09-03 | 星凯电气有限公司 | A kind of MNS type switchgear strainer cleaning plant |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201273239Y (en) * | 2008-10-13 | 2009-07-15 | 远勤山 | Oil-gas separating device of motorcycle |
-
2008
- 2008-09-28 CN CN2008101989025A patent/CN101423023B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109399543A (en) * | 2017-08-18 | 2019-03-01 | 比亚迪股份有限公司 | Fuel loading system |
| CN109399543B (en) * | 2017-08-18 | 2020-06-19 | 比亚迪股份有限公司 | Refueling system |
| CN110193241A (en) * | 2019-06-24 | 2019-09-03 | 星凯电气有限公司 | A kind of MNS type switchgear strainer cleaning plant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101423023B (en) | 2011-07-20 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: GUANGZHOU DAYUN MOTORCYCLE CO., LTD. Assignor: Yuan Qinshan Contract record no.: 2012440000353 Denomination of invention: Motor oil gas separation device Granted publication date: 20110720 License type: Exclusive License Open date: 20090506 Record date: 20120702 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20171221 Address after: 12 No. 510800 Guangdong province Huadu District of Guangzhou City Yongfa Road Patentee after: GUANGZHOU DAYUN MOTORCYCLE CO., LTD. Address before: 510800 Guangdong Province, Guangzhou Huadu District Yongfa Road No. 12 Patentee before: Yuan Qinshan |
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| TR01 | Transfer of patent right |