CN203381735U - Fuel tank of bestriding type vehicle - Google Patents
Fuel tank of bestriding type vehicle Download PDFInfo
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- CN203381735U CN203381735U CN201320193305.XU CN201320193305U CN203381735U CN 203381735 U CN203381735 U CN 203381735U CN 201320193305 U CN201320193305 U CN 201320193305U CN 203381735 U CN203381735 U CN 203381735U
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- filling tube
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Abstract
The utility model provides a fuel tank of a bestriding type vehicle. The fuel tank is provided with a fuel tank main body, a fuel filling pipe and an oiling port, wherein the fuel tank main body is used for storing fuel, the fuel filling pipe is formed by upwards extending the fuel tank main body, the oiling port is opened at the front end of the fuel filling pipe, a seat is arranged between a front wheel and a rear wheel of the vehicle, and a passenger can ride on the seat in a bestriding manner. The fuel tank is characterized in that a fuel oil hopper is arranged in the fuel filling pipe, and is provided with a nozzle insertion hole for an oiling nozzle to insert during oiling, the interior of the fuel filling pipe is separated into a fuel box side and an external gas side by the fuel oil hopper, a hole for enabling air at the fuel box side to return to the external gas side is formed in the fuel oil hopper, and a back injection prevention plate for preventing back injection of filled fuel is arranged at a position opposite to the hole and on the lower surface of the fuel oil hopper. Through arranging the back injection prevention plate, fuel in the fuel tank does not easily directly touch the hole, so that the condition that the fuel filled from the oiling port is back injected towards the oiling port in a strong trend is effectively prevented from occurring.
Description
Technical field
The utility model relates to prevent the technology of returning spray (Japanese: blow I Reversal) of fuel from oil filling port when refueling.
Background technology
In possessing the vehicle of Fuel Tank, the known fuel filling tube that has the mobile spool that will stop the fuel will return to oil filling port from oil filling port swingingly to be arranged on to inject for fuel, prevents the technology (for example, with reference to patent documentation 1 (Fig. 1, Fig. 2)) of returning spray of fuel midway.
As shown in Fig. 1 and Fig. 2 of patent documentation 1, a pair of spool (3, the 3) (symbol that parenthesized numeral patent documentation 1 is put down in writing flowed of the fuel that will return to oil filling port from oil filling port will be stoped.Partial alteration has occurred in the key element title.Lower same) swing the inboard that is bearing in freely fuel filling tube (11), be formed with gap (δ) between the axial region side end of a pair of spool (3,3) and described this pair of spool (3,3).
Below, the situation that the technology by patent documentation 1 is applicable to Straddle-type vehicle is studied.
When being refueled, be full of fuel in Fuel Tank after, the pasta of fuel rises in the fuel filling tube.Now, the sensor be attached on the oiling nozzle carries out the detection of fuel, and stops oiling.Yet, if the deviation etc. that is inserted into the insertion amount in oil filling port due to the oiling nozzle causes the detection of pasta to postpone, fuel may (δ) return spray from gap.
In addition, in Straddle-type vehicle, with four-wheeled vehicle, compare, there is tendency less than normal in the internal diameter of fuel filling tube.If the internal diameter of fuel filling tube is little, in the fuel filling tube, the flow velocity of mobile fuel is slack-off, on the other hand, returns the spray pressure rise, and the impetus of time spray is grow also.
Expectation can be applicable to the technology of returning spray that prevents fuel of Straddle-type vehicle.
[patent documentation 1] Japanese Patent Publication 5-13822 communique
The utility model content
Problem of the present utility model is to provide a kind of technology of returning spray that prevents fuel in the Fuel Tank of Straddle-type vehicle.
First aspect of the present utility model relates to a kind of Fuel Tank of Straddle-type vehicle, and it has: the Fuel Tank main body of storing fuel, the fuel filling tube of the tubular extended upward from this Fuel Tank main body, and at the oil filling port of the front opening of this fuel filling tube, described Straddle-type vehicle possesses seat between front-wheel and trailing wheel, and the passenger straddles and rides on this seat, the Fuel Tank of described Straddle-type vehicle is characterised in that, the fuel oil funnel is installed in the fuel filling tube, this fuel oil funnel has the nozzle patchhole inserted for filler nozzle when refueling, and this fuel oil funnel will be divided into Fuel Tank side and extraneous gas side in the fuel filling tube, offer the hole that the air that makes the Fuel Tank side returns to outside gas side on this fuel oil funnel, opposed position, the hole of returning to outside gas side at the air with making the Fuel Tank side, and be equipped with on the lower surface of fuel oil funnel and prevent that the spray of returning that the fuel injected returns spray from preventing plate.
The Fuel Tank of the Straddle-type vehicle that second aspect of the present utility model relates to is characterised in that, be formed with the reducing diameter part from fuel filling tube reduced to the diameter of filler nozzle on the fuel oil funnel, dispose the hole that the air that makes the Fuel Tank side returns to outside gas side on this reducing diameter part.
The Fuel Tank of the Straddle-type vehicle that the third aspect of the present utility model relates to is characterised in that, in the bottom of nozzle patchhole and be provided with the nozzle stopper that offsets the amount that limits nozzle inserts by the front end with nozzle on the fuel oil funnel, formed back to spray on this nozzle stopper and prevented plate.
The Fuel Tank of the Straddle-type vehicle that fourth aspect of the present utility model relates to is characterised in that, the nozzle stopper possesses: the nozzle abutting part that crosses the fuel filling tube and offset with the front end of nozzle; The arm extended upward from this nozzle abutting part; Extend and be welded in the tabular epitaxy part of fuel oil funnel to the radially foreign side of fuel filling tube from the upper end of this arm, wherein, the both ends of epitaxy part are welded in the fuel oil funnel.
The Fuel Tank of the Straddle-type vehicle that the 5th aspect of the present utility model relates to is characterised in that, Straddle-type vehicle is to have the small size motorcycle of putting the tread plate of pin for the passenger, oil filling port is configured on leg guard, this leg guard is positioned at the place ahead and the top of tread plate, cover passenger's shank, the Fuel Tank main body is configured in the below of tread plate, and the fuel filling tube comprises: the bottom fuel filling tube that extends and consist of elastic component from the Fuel Tank main body; Be connected with the upper end of this bottom fuel filling tube, hard ware is formed and the top fuel filling tube that possesses the fuel oil funnel that obtains.
[utility model effect]
In the Fuel Tank of the Straddle-type vehicle related in first aspect of the present utility model, be equipped with in the fuel filling tube and will be divided into the fuel oil funnel of Fuel Tank side and extraneous gas side in the fuel filling tube, offer the hole that the air that makes the Fuel Tank side returns to outside gas side on this fuel oil funnel, with opposed position, this hole and spray is installed back on the lower surface of fuel oil funnel prevents plate.
To fuel tank filler fuel the time, the pasta in Fuel Tank rises, and in fuel arrives the fuel filling tube and while approaching the oiling nozzle, the sensor be attached on the oiling nozzle detects the pasta of fuel, and stops refueling.Now, the moment of refueling if stop postpones, and exists the fuel injected from oil filling port to return doughtily the situation of spray to the oil filling port impetus.
About this point, in the utility model, the fuel oil funnel is installed in the fuel filling tube, on this fuel oil funnel, offer porose, with opposed position, hole and spray is installed back on the lower surface of fuel oil funnel prevents plate.
The part of the bubble in fuel gets around the spray of returning that is arranged on the Fuel Tank side and prevents plate, and discharges upward by the hole of fuel oil funnel.
Like this, in the utility model, porose owing to offering on the fuel oil funnel, and the opposed locations in this hole disposes back spray and prevents plate, therefore by this time spray, prevents plate, and the fuel in Fuel Tank is difficult for directly and hole is touched.Consequently, can prevent that the fuel injected from oil filling port from returning the situation of spray doughtily to the oil filling port impetus.
In the Fuel Tank of the Straddle-type vehicle related in second aspect of the present utility model, be formed with fuel oil funnel reducing diameter part.By forming reducing diameter part, when inserting, nozzle nozzle can be navigated to the assigned position of fuel filling tube, can suppress back spray.
In addition, on the reducing diameter part of fuel oil funnel, configuration is porose.Porose owing to offering on reducing diameter part, the situation of therefore with the periphery at the fuel filling tube, offering hole is compared, and the hole handling ease is carried out.Consequently, can reduce the cost of hole processing.
In the Fuel Tank of the Straddle-type vehicle related in the third aspect of the present utility model, be provided with the nozzle stopper that the front end with nozzle offsets on the fuel oil funnel.When filler nozzle is inserted in oil filling port, easily be inserted into assigned position.If filler nozzle is inserted into the assigned position of oil filling port, correspondingly can suppress lowlyer by the spray of returning of fuel.In addition, form back spray on the nozzle stopper and prevented plate.Due to nozzle stopper and time spray are prevented to plate forms integratedly, therefore can reduce the parts number of packages.
In the Fuel Tank of the Straddle-type vehicle related in fourth aspect of the present utility model, the both ends that double as back the epitaxy part that sprays the nozzle stopper that prevents plate are welded on the fuel oil funnel.The fuel that returns spray during oiling to the top of fuel filling tube arrives the top of nozzle stopper from the peripheral side of epitaxy part, only air is out discharged to foreign side by hole from the fuel of the top that arrived this nozzle stopper.
Because the both ends by epitaxy part are welded in the fuel oil funnel, the situation of therefore being welded with the circumferential end to epitaxy part is compared, and can strive for bonding length, thereby improves the bond strength of nozzle stopper.In addition, the situation that is welded in the fuel oil funnel with circumferential end by epitaxy part is compared, and can suitably suppress to arrive the amount of the fuel that returns spray of the top of epitaxy part.
In the Fuel Tank of the Straddle-type vehicle related to aspect the of the present utility model the 5th, the nozzle stopper is upwards open roughly コ shape under the state that is installed on the fuel oil funnel.If be the nozzle stopper of such roughly コ shape, can simplify the structure of nozzle stopper.Consequently, the cost of vehicle can be risen and suppresses lowlyer.
In the Fuel Tank of the Straddle-type vehicle related to aspect the of the present utility model the 6th, Straddle-type vehicle is to have the small size motorcycle of putting the tread plate of pin for the passenger, and fuel oil funnel with holes is installed on the fuel filling tube of this motor scooter.In Straddle-type vehicle, the internal diameter of oil filling port is less than the internal diameter of the oil filling port of four-wheeled, and the impetus of therefore returning spray is easy grow correspondingly.
About this point, in the utility model, insert the fuel oil funnel in the fuel filling tube, on this fuel oil funnel, offer porose, with opposed position, this hole and dispose on the fuel oil funnel and prevent that the spray of returning that the fuel injected returns spray from preventing plate.Prevent plate by this time spray, even be the oil filling port of the Straddle-type vehicle less than the oil filling port internal diameter of four-wheeled, also can prevent that the fuel of injection from returning the situation of spray doughtily from the hole impetus.And, because the bottom fuel filling tube by the fuel filling tube consists of elastic component, therefore can easily adjust the height of oil filling port.
The accompanying drawing explanation
Fig. 1 is the two-wheeled left side view that the utility model relates to.
Fig. 2 is the main portion enlarged drawing of Fig. 1.
Fig. 3 is the exploded perspective view on Fuel Tank top.
Fig. 4 is upside fuel filling tube and the exploded perspective view that is arranged on the parts on this upside fuel filling tube.
Fig. 5 reaches back the exploded perspective view of spray while preventing plate from oblique beneath fuel oil funnel.
Fig. 6 is illustrated on the fuel oil funnel block diagram that spray prevents the state of plate is installed back under the viewpoint of Fig. 5.
Fig. 7 is the 7-7 line cutaway view of Fig. 6.
Fig. 8 is the Action Specification figure that the 8-8 line cutaway view of Fig. 3 and explanation make the situation that the air of Fuel Tank side discharges upward.
[nomenclature]
10 ... Straddle-type vehicle (two-wheeled)
12 ... the Fuel Tank main body
13 ... Fuel Tank
24 ... front-wheel
26 ... trailing wheel
28 ... seat
36 ... tread plate
37 ... leg guard
41 ... the fuel filling tube
42 ... bottom fuel filling tube
43 ... top fuel filling tube
44 ... oil filling port
53 ... the fuel oil funnel
54 ... the nozzle stopper
55 ... the nozzle patchhole
56 ... hole
57 ... return spray and prevent plate
62 ... reducing diameter part
66 ... the nozzle abutting part
67L, 67R ... arm
68L, 68R ... epitaxy part
69 ... the longitudinal end of fuel filling tube
70 ... the longitudinal end of fuel filling tube
75 ... filler nozzle
76 ... the front end of nozzle
85 ... the lower surface of fuel oil funnel.
The specific embodiment
Below, embodiment of the present utility model is at length described.Reach in the drawings in embodiment, " on ", D score, 'fornt', 'back', " left side ", " right side " mean respectively the direction that the chaufeur from riding in two-wheeled is observed.
[embodiment]
Based on accompanying drawing, embodiment of the present utility model is described.
As shown in Figure 1, two-wheeled 10 is small size motorcycle, and it possesses following staple, possesses: vehicle frame 11; Be arranged on the Fuel Tank main body 12 on this vehicle frame 11; Can be arranged on the front portion of vehicle frame 11 with turning to, handlebar 23 is installed on top and the front-wheel steering section 21 of front-wheel 24 is installed in bottom; Have the back-wheel drive section 22 that reaches the trailing wheel 26 driven by this power unit 25 as the power unit 25 of drive source, described power unit 25 is mounted to and can swings in the mode of rearward extending on vehicle frame 11; Be clipped in the buffer cell 27 between this back-wheel drive section 22 and vehicle frame 11; Rear in front-wheel steering section 21 configures in the mode towards handlebar 23, and the seat 28 of taking one's seat for the passenger.Small size motorcycle is for possessing seat 28 between front-wheel 24 and trailing wheel 26 and the passenger straddles a kind of form that rides in the Straddle-type vehicle on this seat 28.
Possesses central authorities' cover 35 on the face of facing mutually at the seat 28 with taking one's seat for the passenger of front shroud 31.Upper surface in lower cover 32 is formed with the tread plate 36 of putting pin for the passenger.Tread plate 36 is in the place ahead of seat 28 and in the configuration of the rear of handlebar 23.Front shroud 31 and central authorities' cover 35 all are positioned at the place ahead of tread plate 36 and the shank that top covers the passenger, therefore these two parts are referred to as to leg guard 37.
As shown in Figure 2, the front portion of vehicle frame 11 has: by 21 supportings of front-wheel steering section, be rotation head tube 14 freely; The descending framework 15 extended downwards from this head tube 14; The underframe 16 extended to rear view of vehicle from the bottom of this descending framework 15.
At underframe 16 upper supports, Fuel Tank 13 is arranged.The fuel filling tube 41 of the tubular that this Fuel Tank 13 has the Fuel Tank main body 12 of storing fuel, extend upward from this Fuel Tank main body 12, oil filling port 44 is at the front opening of this fuel filling tube 41.
Then, the fuel filling tube front portion from the Fuel Tank main body extended upward describes.
As shown in Figure 3, fuel filling tube 41 comprises bottom fuel filling tube 42, the top fuel filling tube 43 be connected with the upper end 42a of this bottom fuel filling tube.Bottom fuel filling tube 42 consists of elastic component, and top fuel filling tube 43 is for forming the member obtained to hard ware.
Be provided with freely fuel door 45 in the mounting or dismounting of the upper end of top fuel filling tube 43.Make bottom fuel filling tube 42 chimeric with the lower, outer perimeter of top fuel filling tube 43, and the periphery of this bottom fuel filling tube 42 is fastening by band member 48, top fuel filling tube 43 and bottom fuel filling tube 42 can be linked thus.Make periphery and the bottom fuel filling tube 42 of the barrel member 51 that extends upward from Fuel Tank main body 12 chimeric, and the periphery of bottom fuel filling tube 42 is fastening by band member 49, thus bottom fuel filling tube 42 and barrel member 51 are linked.It should be noted that, be connected with support 52 in the periphery of top fuel filling tube 43, this support 52 is installed to top fuel filling tube 43 on descending framework (Fig. 2, symbol 15).
Inside face at the top of tubular fuel filling tube 43 is equipped with the fuel oil funnel 53 that returns spray that is annulus frame shape and prevents fuel, possess nozzle stopper 54 in the bottom of this fuel oil funnel 53, the front end of this nozzle stopper 54 and filler nozzle offsets to limit the insertion amount of filler nozzle.
Then, to being arranged on fuel oil funnel on the fuel filling tube of top etc., describe.
As shown in Figure 4, nozzle stopper 54 is arranged on fuel oil funnel 53 from below.Then, by integrated, there is the fuel oil funnel 53 of nozzle stopper 54 to insert and be installed in fuel filling tube 41.
Below, in Fig. 5～7, for ease of Structure Understanding, to from beneath to the fuel oil funnel and return spray and prevent that the structure etc. of plate from describing.
As shown in Figure 5, fuel oil funnel 53 comprises: the urceolus 61 of the circular section shape of installing with the state of the inside face butt of outer peripheral face 61a and top fuel filling tube (Fig. 4, symbol 43); Footpath from from this urceolus 61 to nozzle patchhole 55 reducing diameter part 62 that inwardly extend side; Extend and have the inner core 63 of the nozzle patchhole 55 passed through for filler nozzle to the figure top from the inner of this reducing diameter part 62.
Be formed with locally to outstanding recess 64,64 below figure at reducing diameter part 62, on above-mentioned recess 64,64, offer respectively porose 56,56.Two holes 56,56 are opened in by nozzle patchhole 55 center and cross on same straight line radially.
Then, on the fuel oil funnel, engaging and have the state of nozzle stopper to describe.
As shown in Figure 6, weld epitaxy part 68L, the 68R of nozzle stopper in the mode of the recess 64,64 that covers reducing diameter part 62 (symbol 64 of side in front of figure only is shown).In weld, the limit 69,70 along the both ends radially of nozzle patchhole 55 on this epitaxy part 68L, 68R is welded on the reducing diameter part 62 of fuel oil funnel 53, on the other hand, not soldered along the circumferential limit 71 of fuel filling tube 41.In addition, along circumferential limit 71, be positioned at than outer peripheral face 61a position slightly in the inner part, thereby can make the air of the below of fuel oil funnel 53 discharge upward by hole 56,56.
The epitaxy part of the nozzle stopper then, the mode to cover recess engaged describes.
As shown in Figure 7, the limit 69,70 at the both ends of the epitaxy part 68L of nozzle stopper engages in the mode that covers the recess 64 formed on reducing diameter part 62.Epitaxy part 68L is for being fixed in fuel oil funnel 53 by nozzle stopper 54 and doubling as go back to the position that spray prevents plate 57.It should be noted that, the structure at the both ends of the epitaxy part 68R of nozzle stopper is also with above-mentioned same, in this description will be omitted.
In Fig. 4, when nozzle stopper 54 is observed laterally from week under the state that is installed on fuel oil funnel 53, be upwards open roughly コ shape.If be the nozzle stopper 54 of such roughly コ shape, can simplify the structure of nozzle stopper 54.Consequently, the cost of vehicle can be risen and suppresses lowlyer.
Then, the fuel oil funnel on the fuel filling tube that is arranged on Fuel Tank and the structure of periphery thereof are described.
As shown in Figure 8, the short transverse pars intermedia of fuel filling tube 41 that has the Fuel Tank of oil filling port 44 in upper end is equipped with fuel oil funnel 53, once this fuel oil funnel 53 make air by and the fuel that made to pass through nozzle patchhole 55 can't pass through, and will be divided into Fuel Tank side and extraneous gas side in fuel filling tube 41.Two holes 56 that the air that fuel oil funnel 53 has the nozzle patchhole 55 that passes through for filler nozzle 75, make the Fuel Tank side returns to outside gas side.It should be noted that, in the present embodiment, the number in hole is two, but also can be one, three, four, five, six or any number more than this.
Specifically, be formed with the reducing diameter part 62 of the roughly nozzle od from fuel filling tube reduced to nozzle on fuel oil funnel 53, from during observation fuel oil funnel 53, a part at this reducing diameter part 62 is formed with two protuberances 74 that protrude upward setting, offer two holes 56 that the air that makes the Fuel Tank side returns to outside gas side on these two protuberances 74, with this opposed position, two holes 56, and fuel in preventing from being injected into nozzle patchhole 55 is installed on the lower surface 83 of fuel oil funnel 53 to return two of spray and returns spray and prevent plate 57 (the epitaxy part 68L of nozzle stopper, 68R).
With reference to Fig. 7, the protuberance 74 of reducing diameter part 62 is the part that approximate horizontal ground extends in the lump.On the other hand, the part beyond the protuberance 74 of reducing diameter part 62 tilts with the angle of stipulating towards nozzle patchhole 55 center and oliquely downward.Therefore, from below, cover this protuberance 74 return angle of inclination that spray prevents plate 57 with the angle of the angle almost parallel with reducing diameter part 62 towards the periphery of nozzle patchhole 55 and tilt upward, so that return the face and protuberance 74 reducing diameter part 62 butts in addition that spray prevents plate 57.
Then, the effect of above-mentioned Fuel Tank is narrated.
When fueling in Fuel Tank 13, the pasta in Fuel Tank 13 rises, and at the pasta of fuel, arrives in fuel filling tube 41 and while approaching filler nozzle 75, the sensor be attached on filler nozzle 75 detects the pasta of fuel, and stops oiling.Now, the flow velocity of fuel is fast, according to the difference constantly that stops of refueling, exists the fuel injected from oil filling port to return doughtily the situation of spray to oil filling port 44 impetus.
About this point, in the utility model, fuel oil funnel 53 is installed in fuel filling tube 41, a part at the lower surface 83 of this fuel oil funnel 53 is formed with two recesses 64 that project upwards, offer respectively porose 56 on above-mentioned these two recesses 64, with opposed position, hole 56, and be equipped with back to spray in the mode that covers recess 64 respectively on the lower surface 83 of fuel oil funnel 53 and prevent plate (epitaxy part 68L, the 68R of nozzle stopper).The lower surface 83 of fuel oil funnel 53 refers to the face that is positioned at Fuel Tank main body 12 sides in fuel filling tube 41.
The part of the bubble in fuel prevents that with the spray of returning that is arranged on the Fuel Tank side plate (epitaxy part 68L, the 68R of nozzle stopper) from touching, get around this epitaxy part 68L, 68R and unroll from the outside of epitaxy part 68L, 68R to the top of epitaxy part 68L, 68R, and discharging upward by the hole 56,56 of fuel oil funnel.That is, only air out and by hole 56,56 is discharged to foreign side from the fuel of the top that arrived nozzle stopper 54 as shown in arrow a, a in figure, and wherein, this fuel is from the top of the circumferential arrival nozzle stopper 54 of epitaxy part 68L, 68R.
Like this, in the utility model, offer two holes 56 on fuel oil funnel 53, the opposed locations in above-mentioned these two holes 56 disposes epitaxy part 68L, 68R, therefore by this epitaxy part 68L, 68R without worrying fuel in Fuel Tank directly and hole 56 is touched.Fuel in Fuel Tank can directly not touch with hole 56, makes the impetus of fuel be relaxed, so can prevent from returning doughtily the situation of spray to oil filling port 44 impetus from the fuel of oil filling port 44 injections.
Be formed with reducing diameter part 62 on fuel oil funnel 53.By forming reducing diameter part 62, when inserting filler nozzle 75, filler nozzle 75 can be navigated to the assigned position of fuel filling tube thus, thereby can suppress the spray of returning of fuel.
Be provided with the nozzle stopper 54 that the front end 76 with filler nozzle offsets on fuel oil funnel 53.When filler nozzle 75 is inserted in oil filling port 44, filler nozzle 75 easily is inserted into assigned position.By filler nozzle 75 being inserted into to the assigned position of oil filling port 44, with being inserted into assigned position situation in addition, compare thus, returning of fuel can be sprayed and be suppressed lowlyer.
Form back spray and prevent plate (epitaxy part 68L, the 68R of nozzle stopper) on nozzle stopper 54.Due to nozzle stopper 54 and epitaxy part 68L, 68R are formed integratedly, therefore can reduce the parts number of packages.
In addition, the reducing diameter part 62 at the fuel oil funnel disposes two holes 56.Porose 56 owing to offering on reducing diameter part 62, the situation of therefore with the periphery at the fuel filling tube, offering hole is compared, and the hole handling ease is carried out.Consequently, can reduce the cost of hole processing.
In Fig. 6, the radially both ends of the nozzle patchhole 55 of epitaxy part 68L, 68R 69,70 are welded on fuel oil funnel 53, the situation of therefore being welded with the circumferential end 71 of nozzle patchhole 55 to epitaxy part 68L, 68R is compared, and can improve the bond strength of nozzle stopper 54.In addition, with the situation of only circumferential end of epitaxy part 68L, 68R being welded, compare, can suitably suppress to arrive the amount of the fuel that returns spray of the top of epitaxy part 68L, 68R.
Therefore in Fig. 8, in Straddle-type vehicle, the internal diameter of oil filling port is less than the internal diameter of the oil filling port of four-wheeled, the easy grow of the impetus that returns spray of fuel correspondingly.
In the utility model, insert fuel oil funnel 53 in the fuel filling tube, offer two holes 56 on this fuel oil funnel 53, with opposed position, two holes 56, and dispose on fuel oil funnel 53 and prevent that the spray of returning that the fuel injected returns spray from preventing plate ( epitaxy part 68L, 68R).By this epitaxy part 68L, 68R, even be the oil filling port with the Straddle-type vehicle less than four-wheeled internal diameter, also can prevent the fuel that injects from hole 56 impetus return doughtily the situation of spray.
In Fig. 3, the bottom fuel filling tube 42 in fuel filling tube 41 is consisted of elastic component, therefore can easily adjust the height of oil filling port 44.
It should be noted that, the utility model is applicable to two-wheeled in embodiment, but also goes for the straddle riding type three-wheel vehicle, can be applicable to common Straddle-type vehicle.
[industrial applicibility]
The utility model is applicable to small size motorcycle.
Claims (9)
1. the Fuel Tank of a Straddle-type vehicle, it has:
Store the Fuel Tank main body (12) of fuel;
The fuel filling tube (41) of the tubular extended upward from this Fuel Tank main body (12); And
At the oil filling port (44) of the front opening of this fuel filling tube (41),
Described Straddle-type vehicle possesses seat (28) between front-wheel (24) and trailing wheel (26), and the passenger straddles and ride on this seat (28), and the Fuel Tank of described Straddle-type vehicle is characterised in that,
Fuel oil funnel (53) is installed in described fuel filling tube (41), this fuel oil funnel (53) has the nozzle patchhole (55) inserted for filler nozzle (75) when refueling, and this fuel oil funnel (53) will be divided into Fuel Tank side and extraneous gas side in described fuel filling tube (41)
Offer the hole (56) that the air that makes described Fuel Tank side returns to outside gas side on this fuel oil funnel (53),
The opposed position, described hole (56) of returning to outside gas side at the air with making described Fuel Tank side, and be equipped with on the lower surface (83) of described fuel oil funnel and prevent that the spray of returning that the fuel injected returns spray from preventing plate (57).
2. the Fuel Tank of Straddle-type vehicle according to claim 1, is characterized in that,
Be formed with the reducing diameter part (62) from described fuel filling tube reduced to the diameter of described filler nozzle on described fuel oil funnel (53), dispose the described hole (56) that the air that makes described Fuel Tank side returns to outside gas side on this reducing diameter part (62).
3. the Fuel Tank of Straddle-type vehicle according to claim 1 and 2, is characterized in that,
In the bottom of described nozzle patchhole (55) and be provided with the nozzle stopper (54) that offsets to limit the amount that described nozzle (75) inserts by the front end with described nozzle (76) on described fuel oil funnel (53),
Formed described time spray and prevented plate (57) on this nozzle stopper (54).
4. the Fuel Tank of Straddle-type vehicle according to claim 3, is characterized in that,
Described nozzle stopper (54) possesses: the nozzle abutting part (66) that crosses described fuel filling tube (41) and offset with the front end (76) of described nozzle; The arm (67L, 67R) extended upward from this nozzle abutting part (66); Extend and be welded in the tabular epitaxy part (68L, 68R) of described fuel oil funnel (53) to the radially foreign side of described fuel filling tube (41) from the upper end of this arm (67L, 67R),
The both ends (69,70) of described epitaxy part (68L, 68R) are welded in described fuel oil funnel (53).
5. the Fuel Tank of Straddle-type vehicle according to claim 3, is characterized in that,
Described nozzle stopper (54) possesses: the nozzle abutting part (66) that crosses described fuel filling tube (41) and offset with the front end (76) of described nozzle; The arm (67L, 67R) extended upward from this nozzle abutting part (66); Extend and be welded in the tabular epitaxy part (68L, 68R) of described fuel oil funnel (53) to the radially foreign side of described fuel filling tube (41) from the upper end of this arm (67L, 67R),
The both ends (69,70) of described epitaxy part (68L, 68R) are welded in described fuel oil funnel (53).
6. the Fuel Tank of Straddle-type vehicle according to claim 3, is characterized in that,
When described nozzle stopper (54) is observed laterally from week under the state that is installed on described fuel oil funnel (53), be upwards open roughly コ shape.
7. the Fuel Tank of Straddle-type vehicle according to claim 4, is characterized in that,
When described nozzle stopper (54) is observed laterally from week under the state that is installed on described fuel oil funnel (53), be upwards open roughly コ shape.
8. the Fuel Tank of Straddle-type vehicle according to claim 5, is characterized in that,
When described nozzle stopper (54) is observed laterally from week under the state that is installed on described fuel oil funnel (53), be upwards open roughly コ shape.
9. the Fuel Tank of Straddle-type vehicle according to claim 1 and 2, is characterized in that,
Described Straddle-type vehicle is to have to supply the passenger to put the small size motorcycle of the tread plate (36) of pin,
It is upper that described oil filling port (44) is configured in leg guard (37), and this leg guard (37) is positioned at the place ahead and the top of described tread plate (36), covers passenger's shank,
Described Fuel Tank main body (12) is configured in the below of described tread plate (36),
Described fuel filling tube (41) comprising: the bottom fuel filling tube (42) that extends and consist of elastic component from described Fuel Tank main body (12); Be connected with the upper end of this bottom fuel filling tube (42), hard ware is formed and the top fuel filling tube (43) that possesses described fuel oil funnel (53) that obtains.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-123332 | 2012-05-30 | ||
| JP2012123332A JP5859381B2 (en) | 2012-05-30 | 2012-05-30 | Fuel tank for saddle-ride type vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203381735U true CN203381735U (en) | 2014-01-08 |
Family
ID=49848049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320193305.XU Expired - Fee Related CN203381735U (en) | 2012-05-30 | 2013-04-17 | Fuel tank of bestriding type vehicle |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5859381B2 (en) |
| CN (1) | CN203381735U (en) |
| BR (1) | BR102013012352B1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6190347B2 (en) * | 2014-09-25 | 2017-08-30 | 本田技研工業株式会社 | Scooter type vehicle |
| JP6432383B2 (en) * | 2015-02-16 | 2018-12-05 | スズキ株式会社 | Fuel tank structure for saddle riding type vehicles |
| JP6830499B2 (en) * | 2019-01-31 | 2021-02-17 | 本田技研工業株式会社 | Refueling port structure for saddle-mounted vehicles |
| JP6855517B2 (en) * | 2019-01-31 | 2021-04-07 | 本田技研工業株式会社 | Refueling port structure for saddle-mounted vehicles |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH038549Y2 (en) * | 1986-01-09 | 1991-03-01 | ||
| JPH0513822U (en) * | 1991-08-07 | 1993-02-23 | ダイハツ工業株式会社 | Fuel blowback prevention device |
| JP3821732B2 (en) * | 2002-03-13 | 2006-09-13 | 本田技研工業株式会社 | Fuel tank refueling pipe |
| JP4895296B2 (en) * | 2007-03-29 | 2012-03-14 | 豊田合成株式会社 | Filler neck |
| BR112012023825B1 (en) * | 2010-03-23 | 2019-07-02 | Honda Motor Co., Ltd. | MOUNTING VEHICLE TANK FUEL FUEL DOOR DEVICE |
| JP5436398B2 (en) * | 2010-03-26 | 2014-03-05 | 本田技研工業株式会社 | Vehicle fuel tank |
-
2012
- 2012-05-30 JP JP2012123332A patent/JP5859381B2/en not_active Expired - Fee Related
-
2013
- 2013-04-17 CN CN201320193305.XU patent/CN203381735U/en not_active Expired - Fee Related
- 2013-05-17 BR BR102013012352-8A patent/BR102013012352B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| BR102013012352B1 (en) | 2020-12-29 |
| JP2013248917A (en) | 2013-12-12 |
| JP5859381B2 (en) | 2016-02-10 |
| BR102013012352A2 (en) | 2015-06-02 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20200417 |
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| CF01 | Termination of patent right due to non-payment of annual fee |