CN102032078B - Internal fuel steam collector with floating fuel tank - Google Patents
Internal fuel steam collector with floating fuel tank Download PDFInfo
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- CN102032078B CN102032078B CN2010105900304A CN201010590030A CN102032078B CN 102032078 B CN102032078 B CN 102032078B CN 2010105900304 A CN2010105900304 A CN 2010105900304A CN 201010590030 A CN201010590030 A CN 201010590030A CN 102032078 B CN102032078 B CN 102032078B
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- flexible pipe
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- fuel tank
- fuel
- collection tube
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Abstract
The invention discloses an internal fuel steam collector with a floating fuel tank, which comprises a fuel tank (1) and a collection tube (2). A floater (3) is arranged in the fuel tank (1), a flexible hose penetrates through the floater (3), the upper end opening of the flexible hose (4) is higher than the top surface of the floater (3), and the lower end opening of the flexible hose (4) is connected with the upper end of the collection tube (2). In the invention, the floating floater is used for positioning the flexible hose, which can effectively prevent fuel from entering the flexible hose and the collection tube and avoid pipe blockage of a fuel steam adsorption system; and thus, the internal fuel steam collector with a floating fuel tank has the advantages of novel conception, simple and reliable structure, easiness for remolding, low remolding cost and the like and can be applied to various two-wheeled motorcycles or three-wheeled motorcycles.
Description
Technical field
The invention belongs to technical field of motorcycles, specifically, the particularly collecting device of motorcycle tank steam in oil.
Background technique
For the pollution of control motorcycle pollutant emission to environment, improve ambient air quality, two-wheeled and motor tricycle III stage criterion have proposed new requirement to the discharging of two-wheeled or motor tricycle operating condition method exhaust contaminant.In order to satisfy state's III standard; The producer that has sets up the oil vapor adsorption system on motorcycle, this system is made up of collection tube, anti-roll valve, adsorption tube, charcoal jar, desorption pipe and throttle valve body, and is as shown in Figure 4; The upper end of collection tube 2 is by tank cap lock 13 location; Stretch out outside the fuel tank 1 lower end of collection tube 2, and be connected with the import of anti-roll valve 14, and one of the outlet of this anti-roll valve 14 and adsorption tube is connected; The other end of adsorption tube is connected the import of charcoal jar, and the outlet of charcoal jar is joined through desorption pipe and throttle valve body.Collection tube, anti-roll valve, adsorption tube, charcoal jar, desorption pipe and throttle valve body are formed the pipeline that communicates with the fuel tank inner chamber, and extraneous on the one hand atmosphere is communicated with fuel tank through charcoal jar, adsorption tube and collection tube, can realize the function of trim tank external and internal pressure; On the other hand, the oil vapor in the fuel tank gets into the charcoal jar, is absorbed in the back entering throttle valve body by the charcoal jar and utilizes.Though above-mentioned adsorption system has reached certain preventing polluting effect, but still there is following deficiency:
1, anti-roll valve is in the outside of fuel tank; Get in the charcoal jar fuel tank squint or when toppling over, the import that a part of fuel oil can pass through collection tube gets in the collection tube though can prevent to agitate the fuel oil that is splashed into; Even fuel tank recovers ortho states; Still have fuel oil in the collection tube, can cause pipeline blockage like this, make the disabler of adsorbed oil steam on the one hand; On the other hand, can in fuel tank, forming negative pressure, cause the fuel tank can not be to the motor normal fuel injection.
2, the outer anti-roll valve of fuel tank needs independent processing and fabricating, and needs to be equipped with accessory such as anchor ear, has increased the cost of production of motorcycle.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of fuel oil that can effectively prevent to get into the motorcycle tank steam in oil collecting device of collection tube.
Technological scheme of the present invention is following: fuel-steam collecting device in a kind of floating type fuel tank; Comprise fuel tank, collection tube, float and flexible pipe; In said fuel tank, float is set; Be equipped with flexible pipe on this float, the upper end-hole of said flexible pipe is higher than the end face of float, and the lower end mouth of flexible pipe is connected with the upper end of said collection tube.
Adopt above technological scheme, float swims on the liquid level of fuel oil in the fuel tank all the time, and can drift with the fluctuating of liquid level; Guaranteed that like this upper end-hole of flexible pipe is higher than the liquid level of fuel oil all the time, when the oil vapor above guaranteeing liquid level can get into flexible pipe and collection tube smoothly, prevented effectively that fuel oil from agitating because of jolting to get in flexible pipe and the collection tube; Avoided the pipeline blockage of oil vapor adsorption system on the one hand; On the other hand, can cancel the anti-roll valve in the preceding pipeline of charcoal jar, both simplify pipeline; Help line arrangement, effectively reduce cost of production again.
The upper end-hole of said flexible pipe is sealed, and sealing part has the circular hole of gathering, and the diameter in this collection hole is 0.5-1.5mm.Fuel oil in the fuel tank might be because agitate former thereby rush to the flexible pipe upper end, and the flexible pipe upper end takes suitable seal size and can limit fuel oil entering flexible pipe.The flexible pipe upper end is gathered the diameter in hole and is advisable with 0.5-1.5mm, and the collection hole is too small, is difficult to processing and fabricating; The collection hole is excessive, can increase the possibility of the fuel oil entering flexible pipe that agitates in the fuel tank.
Said flexible pipe is processed by fluorine rubber, not only draw materials conveniently, cost is low, and oil resistance is good, long service life.
Have the gap between said flexible pipe and the float, the fuel oil from fuel tank inner roof wall drippage perhaps can not retain at float because of agitating the fuel oil that splashes like this, thereby has alleviated the weight load of float, can prevent effectively that float from toppling.Simultaneously, the certain activity surplus of flexible pipe can be given in the space between float and flexible pipe, and plays the effect of damping.
Spacing through upper and lower clamp between said flexible pipe and the float, this upper and lower clamp is fixed on the flexible pipe.Above structure is installed easily, good reliability, and can prevent that flexible pipe from respect to float play up and down taking place.
On said flexible pipe, be fixed with balancing weight, this balancing weight is positioned at the below of float.Because no matter how fuel tank tilts, float floats on the liquid level all the time, below float, sets up balancing weight, this balancing weight produces downward pulling force to flexible pipe and float, can play the role of positioning to float on the one hand, prevents that float from drifting in fuel tank carelessly; On the other hand, the possibility that the hole gets into fuel oil above float, has been stopped to gather all the time in the collection hole that can make the flexible pipe top.
Said float, upper clip, lower clip and balancing weight nylon material are processed, and draw materials so conveniently, processing and fabricating is easy, oil resistance good, long service life.
Beneficial effect: the present invention locatees flexible pipe through floating float; Can prevent effectively that fuel oil from getting in flexible pipe and the collection tube; Avoided the pipeline blockage of oil vapor adsorption system; Have characteristics such as novel, simple and reliable for structure, that transformation is easy, reforming cost is low, can on various two-wheeleds or motor tricycle, use.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the layout schematic representation of float among the present invention and flexible pipe.
Fig. 3 is the structural representation of oil vapor adsorption system.
Fig. 4 is the structural representation of background technique.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further:
Like Fig. 1, shown in Figure 2, present embodiment is made up of fuel tank 1, collection tube 2, float 3, flexible pipe 4, upper clip 5, lower clip 6 and balancing weight 7, and wherein fuel tank 1 adopts public structure on two-wheeled or the motor tricycle, does not do at this and gives unnecessary details.Said collection tube 2 is a metal tube, and the upper end of this collection tube 2 is positioned at fuel tank 1, and the lower end of collection tube 2 passes from bottom or the side from fuel tank 1.In said fuel tank 1, be provided with float 3, this float 3 floats on the liquid level of fuel oil in the fuel tank 1.The shape of float 3 can be circular, oval, square or other shape that is fit to, as long as the width of float 3 is enough wide, to prevent at fuel tank 1 oil starvation and when certain dump angle was arranged, float 3 toppled.The thickness of float 3 is confirmed according to actual needs.
From Fig. 1, Fig. 2, can know; Central position at float 3 has via hole; Flexible pipe 4 passes from the via hole of float 3; The lower end mouth of this flexible pipe 4 is fixedly connected with the upper end of collection tube 2, and the upper end-hole of flexible pipe 4 is higher than the end face of float 3, and flexible pipe 4 upper end-hole are confirmed apart from the distance of float 3 end faces according to actual needs.Has certain clearance between said flexible pipe 4 and the float 3; On flexible pipe 4, be fixed with upper and lower two clamps 5,6; Upper clip 5 is positioned at the top of float 3 center via holes; Lower clip 6 is positioned at the below of float 3 center via holes, and is spacing through upper and lower clamp 5,6 between flexible pipe 4 and the float 3, with respect to float 3 play up and down takes place to prevent flexible pipe 4.
Can know further that from Fig. 1, Fig. 2 the material that flexible pipe 4 is softer by material and oil resistance is good is processed, be preferably fluorine rubber in the present embodiment.The upper end-hole of said flexible pipe 4 is sealed, and sealing part has the circular hole 4a of collection, and the diameter of this collection hole 4a is 0.5-1.5mm.On said flexible pipe 4, be fixed with balancing weight 7, this balancing weight 7 is positioned at the below of float 3.Said float 3, upper clip 5, lower clip 6 and balancing weight 7 by material the hard and good material of oil resistance process, be preferably nylon material in the present embodiment.
From Fig. 3 and combine Fig. 1, Fig. 2 to know, one of the lower end of collection tube 2 and adsorption tube 9 is connected, and the other end of this adsorption tube 9 is connected the import of charcoal jar 10, and the outlet of charcoal jar 10 is joined through desorption pipe 11 and throttle valve body 12.Because float 3 floats on the liquid level of fuel oil in the fuel tank 1 all the time, 3 pairs of flexible pipes of float, 4 location can guarantee that the collection hole 4a of flexible pipe 4 upper ends is higher than the liquid level of fuel oil all the time, have prevented effectively that fuel oil from agitating because of jolting to get in flexible pipe 4 and the collection tube 2.Fuel tank 1 interior fuel oil volatilizees the oil vapor that produces can be smoothly through gathering in hole 4a entering flexible pipe 4 and the collection tube 2, and the oil vapor adsorption system of finally being formed by collection tube 2, adsorption tube 9, charcoal jar 10, desorption pipe 11 and throttle valve body 12 absorbs.The working principle of said oil vapor adsorption system is identical with existing technology, does not do at this and gives unnecessary details.
Although more than combine accompanying drawing that the preferred embodiments of the present invention are described; But the invention is not restricted to above-mentioned embodiment; Above-mentioned embodiment only is schematic rather than determinate, and those of ordinary skill in the art is under enlightenment of the present invention, under the prerequisite of aim of the present invention and claim; Can make multiple similar expression; As change material, the shape of float, and perhaps changing Placement between float and the flexible pipe etc., such conversion all falls within protection scope of the present invention.
Claims (6)
1. fuel-steam collecting device in the floating type fuel tank; Comprise fuel tank (1) and collection tube (2); It is characterized in that: in said fuel tank (1), be provided with float (3); Be equipped with flexible pipe (4) on this float (3), the upper end-hole of said flexible pipe (4) is higher than the end face of float (3), and the lower end mouth of flexible pipe (4) is connected with the upper end of said collection tube (2).
2. fuel-steam collecting device in the floating type fuel tank according to claim 1, it is characterized in that: the upper end-hole of said flexible pipe (4) is sealed, and sealing part has the circular hole (4a) of gathering, and the diameter in this collection hole (4a) is 0.5-1.5mm.
3. fuel-steam collecting device in the floating type fuel tank according to claim 1, it is characterized in that: said flexible pipe (4) is processed by fluorine rubber.
4. according to fuel-steam collecting device in claim 1 or the 2 or 3 described floating type fuel tanks; It is characterized in that: have the gap between said flexible pipe (4) and the float (3); And spacing through upper and lower clamp (5,6) between flexible pipe (4) and the float (3), this upper and lower clamp (5,6) is fixed on the flexible pipe (4).
5. fuel-steam collecting device in the floating type fuel tank according to claim 4, it is characterized in that: on said flexible pipe (4), be fixed with balancing weight (7), this balancing weight (7) is positioned at the below of float (3).
6. fuel-steam collecting device in the floating type fuel tank according to claim 5, it is characterized in that: said float (3), upper clip (5), lower clip (6) and balancing weight (7) nylon material are processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105900304A CN102032078B (en) | 2010-12-16 | 2010-12-16 | Internal fuel steam collector with floating fuel tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105900304A CN102032078B (en) | 2010-12-16 | 2010-12-16 | Internal fuel steam collector with floating fuel tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102032078A CN102032078A (en) | 2011-04-27 |
| CN102032078B true CN102032078B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105900304A Active CN102032078B (en) | 2010-12-16 | 2010-12-16 | Internal fuel steam collector with floating fuel tank |
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| Country | Link |
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| CN (1) | CN102032078B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1074508A (en) * | 1992-01-14 | 1993-07-21 | 长春市文教环保设备厂 | Controller for fuel steam exhaust of minicar |
| CN201511812U (en) * | 2009-09-28 | 2010-06-23 | 亚普汽车部件有限公司 | Fuel steam system for hybrid electric vehicle |
| CN101769213A (en) * | 2008-12-26 | 2010-07-07 | 龙口中宇机械有限公司 | Fuel and steam combined internal combustion engine |
| CN201884150U (en) * | 2010-12-16 | 2011-06-29 | 力帆实业(集团)股份有限公司 | Floating collection device for fuel vapor in fuel tank |
-
2010
- 2010-12-16 CN CN2010105900304A patent/CN102032078B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1074508A (en) * | 1992-01-14 | 1993-07-21 | 长春市文教环保设备厂 | Controller for fuel steam exhaust of minicar |
| CN101769213A (en) * | 2008-12-26 | 2010-07-07 | 龙口中宇机械有限公司 | Fuel and steam combined internal combustion engine |
| CN201511812U (en) * | 2009-09-28 | 2010-06-23 | 亚普汽车部件有限公司 | Fuel steam system for hybrid electric vehicle |
| CN201884150U (en) * | 2010-12-16 | 2011-06-29 | 力帆实业(集团)股份有限公司 | Floating collection device for fuel vapor in fuel tank |
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| Publication number | Publication date |
|---|---|
| CN102032078A (en) | 2011-04-27 |
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