CN1219667C - Fuel supply device for small-size vehicle - Google Patents
Fuel supply device for small-size vehicle Download PDFInfo
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- CN1219667C CN1219667C CNB021444005A CN02144400A CN1219667C CN 1219667 C CN1219667 C CN 1219667C CN B021444005 A CNB021444005 A CN B021444005A CN 02144400 A CN02144400 A CN 02144400A CN 1219667 C CN1219667 C CN 1219667C
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- fuel
- supply system
- fuel supply
- outlet tube
- pipe
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- 239000000446 fuel Substances 0.000 title claims abstract description 289
- 239000002828 fuel tank Substances 0.000 claims abstract description 59
- 238000002347 injection Methods 0.000 claims abstract description 24
- 239000007924 injection Substances 0.000 claims abstract description 24
- 239000004020 conductor Substances 0.000 claims description 40
- 230000008093 supporting effect Effects 0.000 claims description 26
- 210000000078 claw Anatomy 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005755 formation reaction Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
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- 235000012771 pancakes Nutrition 0.000 description 1
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- 229920003002 synthetic resin Polymers 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/04—Tank inlets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J37/00—Arrangements of fuel supply lines, taps, or the like, on motor cycles or engine-assisted cycles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
In a compact vehicle in which a power unit 6 having an engine 9 with the cylinder portion 9a inclined toward the front is vertically swingably suspended on the body frame 2 at the position rearwardly of the step floor 12, a luggage box 15 and a passenger seat 16 are disposed upwardly of the power unit 6, and a fuel tank 18 having a fuel port 20 on the top wall 18b thereof is disposed immediately below the step floor 12, a fuel exit cylinder 36 of a fuel supply unit 22 disposed in the fuel tank 18 for supplying fuel to the outside is disposed in the fuel tank 18 at the position forwardly of the fuel port 20, and the fuel exit cylinder 36 and the fuel injection valve 103 of the engine 9 are connected by a flexible fuel conduit 107 passing alongside the fuel port 20.
Description
Technical field
The present invention relates to a kind of dilly, this dilly can make the unit power plant of cylinder portion towards the driving engine that leans forward to swingingly hanging to have towards upper and lower on this body frame at toe board rear, simultaneously, at the trailing wheel of the rearward end axle of this unit power plant supporting by its driving, in addition, configuration baggage container and passenger vehicle seat above unit power plant, the configuration roof has the Fuel Tank of oil-feed port under toe board; Particularly relate to and being used for the fuel supply system of the fuel feeding in the Fuel Tank to the fuel injection valve of driving engine.
Background technology
For example to open the 2001-138759 communique disclosed for the Japanese Patent spy for this dilly.
In being disclosed in the dilly of above-mentioned communique, the peristome that will be used to insert fuel supply system is arranged on the aft bulkhead of Fuel Tank, is connected by the fuel conductor of flexibility between the fuel injection valve of the fuel take-off pipe that is disposed at this peristome and driving engine.For such formation, because the distance between fuel take-off pipe and the fuel injection valve is shorter, so, when unit power plant swings up and down, angle of deflection for fear of fuel conductor is excessive, need dispose fuel conductor longer, in its way, flaccid part is set, but in this occasion, when setting the radius of curvature of this flaccid part big for the flow path resistance of doing one's utmost to reduce fuel conductor, the interference that then is easy to produce fuel conductor and adjoining members, when for fear of with the interference of adjoining members the radius of curvature of above-mentioned flaccid part set than hour, the flow path resistance of fuel conductor increases, and thinks hard anxiety for the formation of this flaccid part.
Summary of the invention
The present invention makes in view of this situation, its purpose is to provide a kind of two-wheeled fuel supply system, the fuel supply system of this dilly can be set the radius of curvature of this flaccid part bigger for the flow path resistance that reduces fuel conductor, and can avoid interference with adjoining members, when unit power plant swings up and down, can reduce the angle of deflection of fuel conductor.
In order to achieve the above object, two-wheeled this body support frame at the toe board rear of the present invention can be towards upper and lower to swingingly hanging the unit power plant with driving engine that the cylinder part of making leans forward, simultaneously, at the trailing wheel of the rearward end axle of this unit power plant supporting by its driving, in addition, configuration baggage container and passenger vehicle seat dispose Fuel Tank under toe board above unit power plant, and this Fuel Tank has oil-feed port at roof; It the 1st is characterised in that: will be configured to ratio oil-feed port that the fuel outlet tube that is used to supply fuel to exterior fuel supply system in the Fuel Tank is configured to Fuel Tank more by the position of vehicle front, and be connected by the flexible fuel conduit by the oil-feed port side between the fuel injection valve of this fuel outlet tube and driving engine.
According to the 1st feature, fuel conductor guides to rear view of vehicle from the fuel take-off pipe of the anterior position of the oil-feed port side by oil-feed port, form the big flaccid part of radius of curvature, simultaneously towards the place ahead bending, lead to fuel injection valve, thereby can reduce its flow path resistance, in addition, can avoid the interference with adjoining members, even when unit power plant swings up and down, also can reduce the angle of deflection of fuel conductor.
In addition, the present invention also has the 2nd feature on the basis of the 1st feature: positioning and fixing is installed to fuel injection valve in the fuel adaptor union of driving engine, above-mentioned fuel conductor is connected to the connection pipe that is fixedly set in this fuel adaptor union and is communicated to fuel injection valve.
According to the 2nd feature, it is certain to make fuel conductor be installed on the closure of fuel adaptor union of fuel injection valve relatively, prevents the offset of fuel conductor, simultaneously, can easily carry out its pipe arrangement.
In addition, the present invention also has the 3rd feature on the basis of the 1st or the 2nd feature: the fuel supply system in Fuel Tank has the pressure regulator of fuel pressure being delivered to the excess electron excess fraction escape of the petrolift of fuel outlet tube side and the discharge pressure that makes this petrolift,
According to the 3rd feature, the fuel of emitting from pressure regulator can be turned back to Fuel Tank according to former state, do not need to be used for the special pipe arrangement that fuel returns, can make to constitute and simplify.
In addition, the present invention also has the 4th feature on the basis of the 1st feature: the fuel outlet tube at fuel supply system engages and fuel conductor bonded assembly fuel take-off pipe dismantledly by joint.
According to the 4th feature, pull down the fuel take-off pipe by fuel outlet tube from fuel supply system, can easily carry out the connection and the pipe arrangement of the relative fuel injection valve of fuel conductor, in addition, can not be subjected to fuel conductor easily to carry out the maintenance of fuel supply system with hindering.And, can simply promptly carry out of the connection of fuel take-off pipe to fuel supply system, improve assembleability.
In addition, the present invention also has the 5th feature on the basis of the 1st feature: fuel supply system near the fuel outlet tube dispose the fuel filter that the discharge fuel to petrolift filters innerly, on the upper end plate of this fuel filter, form the recess that the inner of fuel take-off pipe faces toward.
According to the 5th feature, can carry out of the approaching configuration of fuel take-off pipe to fuel filter, so, can reduce the protrusion amount of fuel take-off pipe to the Fuel Tank top, can easily avoid the interference of fuel conductor and toe board.
Description of drawings
Fig. 1 is two-wheeled lateral plan.
Fig. 2 for Fig. 12 to looking enlarged drawing.
Fig. 3 is the 3-3 line cross sectional drawing of Fig. 1.
Fig. 4 is the birds-eye view of fuel supply system.
Fig. 5 is the installation constitution decomposition diagram of fuel supply system toward Fuel Tank.
Fig. 6 is the 6-6 line cross sectional drawing of Fig. 2.
Fig. 7 is the 7-7 line cross sectional drawing of Fig. 6.
Fig. 8 is the 8-8 line cross sectional drawing of Fig. 7.
Fig. 9 is the 9-9 line cross sectional drawing of Fig. 6.
Figure 10 is the 10-10 line amplification profile diagram of Fig. 2.
The specific embodiment
Below, the one embodiment of the invention shown in illustrate form of implementation of the present invention with reference to the accompanying drawings.
Fig. 1 is two-wheeled lateral plan, Fig. 2 for Fig. 12 to looking enlarged drawing, Fig. 3 is the 3-3 line cross sectional drawing of Fig. 1, Fig. 4 is the birds-eye view of fuel supply system, and Fig. 5 is the installation constitution decomposition diagram of fuel supply system and Fuel Tank, and Fig. 6 is the 6-6 line cross sectional drawing of Fig. 2, Fig. 7 is the 7-7 line cross sectional drawing of Fig. 6, Fig. 8 is the 8-8 line cross sectional drawing of Fig. 7, and Fig. 9 is the 9-9 line cross sectional drawing of Fig. 6, and Figure 10 is the 10-10 line amplification profile diagram of Fig. 2.
In the following description, with the vehicle be benchmark all around.
At first, in Fig. 1-Fig. 3, symbol 1 illustrates as the light motor cycle type of dilly two-wheeled, its this body frame 2 by head pipe 2a, the 2b of lower extending tube portion that extends towards the below with wide-angle from this pipe 2a back, from this lower extending tube portion 2b lower end horizontally extending towards the rear toe board support 2c, the uprights 2d that vertically erects from this toe board support 2c rear end, and the back rail 2e of portion from this uprights 2d upper end towards the back upper place diagonally extending constitute, head pipe 2a can turn to twelve Earthly Branches honour front-wheel 3f carry out the axle supporting front fork 4 turn to column.In addition, hang connecting rod 5, on this suspension connecting rod 5, can hang unit power plant 6 with swinging up and down by pivot 7 at the upper end of uprights 2d elastic support.Between unit power plant 6 and the back rail 2e of portion, posterior bumper 8 is installed.
On the rail 2e of portion of back, the baggage container 15 that can accommodate large-scale luggage such as the helmet is installed, the top of this baggage container 15 leading section can open and close by the passenger of the lid of this baggage container 15 of articulated joint double as with vehicle seat 16.
As shown in Figures 2 and 3, Fuel Tank 18 is inserted into the big peristome 17 of the central portion of being located at toe board support 2c, simultaneously, the flange 18a that will stretch out from the perisporium of this Fuel Tank 18 by a plurality of bolts 19 be fixed to toe board support 2c above.Like this, the fore-and-aft direction line of centers Y of Fuel Tank 18 and two-wheeled 1 fore-and-aft direction line of centers as one man dispose.At the roof 18b of the cardinal principle horizontal arrangement of this Fuel Tank 18 case lid 21 that the oil-feed port 20 at its place's opening is opened and closed and the fuel supply system 22 that supplies fuel to driving engine 9 are installed.At this moment, fuel supply system 22 is configured to the front portion of Fuel Tank 18 promptly than case lid 21 position more on the front.
The toe board 12 that supports to this toe board support 2c covers this Fuel Tank 18 ground configuration, be formed at its central portion above accommodate the salient above Fuel Tank 18 of case lid 21 and fuel supply system 22 in the protrusion 12a.
Below, with reference to Fig. 4-Fig. 9 above-mentioned fuel supply system 22 is described.
As Fig. 4-Fig. 7 and shown in Figure 9, frame support bracket 31 comprises the discoideus mounting flange 35 made by synthetic resin, be integrally formed in this mounting flange 35 and descend double-convex fuel outlet tube 36 from it, be convexly set in following a plurality of (being 1 pair in illustrated example) the 1st supporting arm 37,37, and a plurality of (is 1 pair in illustrated example) the 2nd supporting arm 38,38 of making of the molded steel plate that is engaged in below the mounting flange 35 of mounting flange 35 integratedly, fuel outlet tube 36 from it square tube cross joint 40 can be freely joint elbow fuel take-off pipe 39 with installing and removing.On below mounting flange 35 near its outer peripheral edges the seal groove 41 of ring-type is set, containment member 42 is installed thereon.
On the other hand, the roof 18b of Fuel Tank 18 from the fore-and-aft direction line of centers Y of Fuel Tank 18 towards about the position of side skew predetermined distance A be provided with than the little peristome 43 of above-mentioned seal groove 41 diameters, formation is welded the periphery a plurality of lock pawls 45,45 that protrude inside side towards the footpath that have from this recess 44 around the shallow recess 44 of the ring-type of this peristome 43 at roof 18b on roof 18b ... ring bodies.The 1st and second supporting arm 37,38 is inserted into peristome 43, simultaneously mounting flange 35 is accommodated recess 44, when make pushing mounting flange 35 above lock ring 46 revolution predetermined angulars the time, a plurality of junction surface 46a, the 46a of lock ring 46 ... engage lock pawl 45,45 ... containment member 42 is closely touched roof 18b, simultaneously, mounting flange 35 is fixed to the assigned position of Fuel Tank 18, lockable peristome 43.
As shown in Figure 9, when mounting flange 35 was fixed in the assigned position of Fuel Tank 18, fuel outlet tube 36 disposed towards the direction skew predetermined distance B ground identical with respect to the offset direction of the above-mentioned line of centers Y of Fuel Tank 18 with peristome 43 from the line of centers of mounting flange 35.
In addition, a plurality of the 1st supporting arms 37,37 surround fuel outlet tube 36, uniformly-spaced are configured on the round E concentric with it, and in addition, the outside of a plurality of the 2nd supporting arms 38,38 by the 1st supporting arm 37,37 equally spaced is configured on the concentric circles F with mounting flange 35.On each the 1st and second supporting arm 37,38, conjugate foramen 37a, 38a are set.
As shown in Figure 7 and Figure 8, the filter body 32 of accommodating fuel filter 27 is integrally formed at the upper case halfbody 32a of upper surface and has the bottom in the lower surface one and be communicated with tube 66 ground and constitute with the lower case halfbody 32b that upper case halfbody 32a welds by top being communicated with tube 65, at the outer peripheral face of upper case halfbody 32a cooresponding a plurality of engaging claws 67,67 with conjugate foramen 37a, the 37a of above-mentioned the 1st supporting arm 37,37 is set projectedly.Top is communicated with tube 65 and is matched with the bottom outer peripheral face of above-mentioned fuel outlet tube 36 by containment member 71, and meanwhile, engaging claw 67,67 flexibly is engaged in conjugate foramen 37a, the 37a of the 1st supporting arm 37,37.
This fuel filter 27 is in the bottom surface of lower case halfbody 32b and with radial many rib 74,74 that is formed at the end face of upper case halfbody 32a ... between be held, be communicated with from the bottom tube 66 by through hole 73 flow into fuel in the filter core 68 towards foreign side radially by filter core 68, then, through being formed in a plurality of ribs 74,74 ... between fuel gallery, move to fuel take-off pipe 39.At this moment, the recess 69a that exists the inner of the fuel take-off pipe 39 that is engaged in fuel outlet tube 36 to face in upper end plate 69, thus the fuel gallery that does not dwindle between fuel take-off pipe 39 and the fuel filter 27 can make it mutually near configuration.
As Fig. 4 and shown in Figure 6, pump support 30 has accommodates with the pump identical cylindraceous that keeps electric fuel pump 25 cylindraceous the flange part 76 that keeps tube 75, is connected to these pump maintenance tube 75 1 ends, the connecting arm 77,77 that reaches a plurality of (being 1 pair illustrated example) of protruding from this flange part 76 towards above-mentioned the 2nd supporting arm 38,38.By these connecting arms 77,77 being inserted into the medial surface of above-mentioned the 2nd supporting arm 38,38, engaging claw 77a, the 77a that will be convexly set in the lateral surface of connecting arm 77 simultaneously flexibly join conjugate foramen 38a, the 38a of the 2nd supporting arm 38,38 to, interconnect frame support bracket 31 and pump support 30.
On the flange part 76 of pump support 30, offer the access 80 that links to each other with 25 discharge orifice 25b, be communicated with tube 66, accept the discharge fuel of petrolift 25 in the bottom of this peristome by containment member 72 setting-in filter body 32.The access 80 between petrolift 25 and the fuel filter 27 can be shortened thus, loss of pressure can be reduced.
Pump keeps tube 75 to dispose on horizontal-extending ground substantially towards rear view of vehicle from a sidepiece of flange part 76, therefore, keeps petrolift 25 thereon also to take same posture, and fuel supply system 22 all is L word shape.In addition, pump keeps tube 75 as shown in Figure 4, and under birds-eye view, its axis and fuel outlet tube 36 are same, from the fore-and-aft direction line of centers Y of Fuel Tank 18 towards about a side remotely from the disalignment of mounting flange 35 apart from B.
As Fig. 4 and shown in Figure 6, the sucking hole 25a that preliminary filter 26 is connected in the open rearward end of petrolift 25.This preliminary filter 26 is installed on the periphery that pump keeps tube 75, is contained in open top wave absorption case 82.This wave absorption case 82 is arranged at the bottom of Fuel Tank 18, has inlet 82a in the opposite front portion of the open side with sucking hole 25a of petrolift 25, extend to the rear wall labyrinth wall 83 upright bottoms of being located at wave absorption case 82 nearby of wave absorption case 82 from this inlet 82a one side, the fuel that enters into inlet 82a is decayed, and is drawn into petrolift 25.
As Fig. 2, Fig. 4, and shown in Figure 7, the upper support tube 85 of and its internal communication integrally formed in the bottom of the lower case halfbody 32b of above-mentioned filter body 32, the lower support tube 86 that the upper end is coupled to the outer peripheral face of this upper support tube 85 is integrated into pump support 30, carrying cylinder 85,86 from below pressure regulator 28 cylindraceous is installed.At this moment, the center of the relative mounting flange 35 of axis of two carrying cylinders 85,86 and pressure regulator 28 is offset predetermined distance C towards the offset direction opposition side with fuel outlet tube 36.The pressure of this pressure regulator 28 in filter body 32 be the discharge pressure of petrolift 25 be specified value when above towards below emit its excess fuel.Above-mentioned petrolift 25 with the horizontality configuration is configured to and this pressure regulator 28 cardinal principle equal heights substantially.
But fuel residual volume sensor 29 by be installed on pump keep tube 75 a sidewall sensor housing 90 free swaying ground supportings in this sensor housing 90 and the float supporting arm 91 that extends towards rear view of vehicle, be attached to this float supporting arm 91 leading section 91a float 92 and be contained in the sensor housing 90 degreeof turn with float supporting arm 91 potential difference meter 93 that fuel residual volume in the case 18 is transformed into electric weight that acts as a fuel and constitute.At this moment, the pump that is installed on of sensor housing 90 keeps tube 75 and sidewall with respect to the offset direction opposition side at mounting flange 35 centers.In addition, bending extension towards the rear immediately after float supporting arm 91 comes out from the lateral wall of sensor housing 90 then, keeps tube 75 towards laterally remotely leading section 91a being bent to L word shape from pump, sets up towards the float 92 of its bending direction elongation at this leading section 91a.
Also can find out by Fig. 2 and Fig. 3, being formed adjacent to each other from the 1st and the 2nd wiring connector apparatus 95,96 of the upper and lower surface protrusion of this mounting flange 35 with fuel outlet tube 36 opposite sense out-of-position positions from its line of centers court of mounting flange 35, and the inner end of two wiring connector apparatus 95,96 is disposed at the superjacent air space of above-mentioned pressure regulator 28.Two wiring connector apparatus 95,96 have towards the splicing ear 97,98 that connects it up and down, the adaptor union (not shown) that is connected in the lead of above-mentioned petrolift 25 and fuel residual volume sensor 29 is connected in the bottom of the 1st and the 2nd wiring connector apparatus 95,96, the 1st is connected the outside wiring adaptor union (not shown) that links to each other with source switch or the remaining indicating device of fuel with the top of the 2nd wiring connector apparatus 95,96 at these.
In the above description, fuel outlet tube 36, filter body 32, top and lower support tube 85,86 are configured to the scope on the projecting plane of this peristome 43 for the peristome 43 that can be inserted into Fuel Tank 18.
In addition, as Fig. 2 and shown in Figure 10, on the cylinder part 9a of above-mentioned driving engine 9, has the free air diffuser member 102 of the free air diffuser 101 that is connected to its admission port 100 by bolted joint.Install towards the fuel injection valve 103 of the downstream burner oil of admission port 100 at this free air diffuser member 102, at the fuel adaptor union 105 of the upper end of fuel inlet opening setting-in lid shape.Fuel adaptor union 105 will be fixed in the assigned position of free air diffuser member 102 from the stay 105a that its rear wall is protruded by bolt 106.In addition, fuel adaptor union 105 has towards the connection pipe 105b of rear view of vehicle or oblique rear protrusion, is connected the two ends of flexible fuel conductor 107 on the fuel take-off pipe 39 of this connection pipe 105b and above-mentioned fuel supply system 22 securely.Like this, fuel conductor 107, extends with linearity towards rear view of vehicle by case lid 21 sides from fuel take-off pipe 39, after surpassing the position of fuel adaptor union 105 towards the rear for the moment, forms u turn, arrives fuel take-off pipe 39.
Below, the effect of this embodiment is described.
When assembling during fuel supply system 22, at first, petrolifts 25, preliminary filter 26, pressure regulator 28, and fuel residual volume sensor 29 are installed at pump support 30, between 1 couple's of frame support bracket 31 the 1st supporting arm 37,37, filter body 32 is installed.Insert 1 pair of connecting arm 77,77 of pump support 30 then in the inboard of 1 pair the 2nd supporting arm 38,38, then by on conjugate foramen 38a, the 38a of fuel take- off pipe 38,38, engaging engaging claw 77a, the 77a of connecting arm 77, thereby be bonded with each other frame support bracket 31 and pump support 30, simultaneously, clamping filter body 32 betwixt.Like this, when engaging frame support bracket 31 and pump support 30, do not need special stationary member, do not need special stationary member, so, the assembleability of fuel supply system 22 extremely good.
The fuel supply system of finishing after the assembling 22 keeps tube 75 sides to be inserted into the peristome 43 of the roof 18b of Fuel Tank 18 from pump, keeps tube 75 that preliminary filter 26 is arranged on the diapire of Fuel Tank 18 pump towards the rear wall side of Fuel Tank 18.At this moment, the mounting flange 35 of frame support bracket 31 is contained in the recess 44 above the Fuel Tank 18, joins lock pawl 45,45 to from the top to the lock ring 46 that pushes ..., fixed bearing carriage 31, latch openings portion 43.
The connection pipe 105b and the fuel take-off pipe 39 that connect fuel adaptor union 105 at the two ends of fuel conductor 107 respectively in advance.At first, be fixed to the predetermined bits position of free air diffuser member 102 simultaneously by bolt 106 with fuel injection valve 103 setting-ins of fuel adaptor union 105 with driving engine 9.Like this, fuel adaptor union 105 is during by bolt 106 location, and its connection pipe 105b is the rear towards the rear of regulation or tiltedly, so, when present dynasty pulls out in the place ahead fuel take-off pipe 39 and fuel conductor 107 is configured to case lid 21 sides, form the U turning part of regulation naturally at the rear portion of fuel conductor 107.Therefore, fuel take-off pipe 39 is connected to the fuel outlet tube 36 of the fuel supply system 22 that is installed on Fuel Tank 18 before this by joint 40.Like this, fuel conductor 107 can not produce dislocation ground pipe arrangement easily.
In addition, during assembling, as described above, pull down joint 40 by fuel outlet tube 36 from fuel supply system 22, can easily carry out the connection and the pipe arrangement of 107 pairs of fuel injection valves 103 of fuel conductor, in addition, can not be subjected to the maintenance of easily carrying out fuel supply system 22 intrusively of fuel conductor 107.And fuel take-off pipe 39 can simply and promptly carry out by joint 40 to the connection of fuel supply system 22, also can improve assembleability.
In fuel supply system 22, since be disposed at fuel outlet tube 36 under the upper end plate 69 of fuel filter 27 have the recess 69a that the inner of making fuel take-off pipe 39 faces, so, also can carry out fuel take-off pipe 39 disposes with the close of fuel filter 27, reduce the protrusion amount of fuel take-off pipe 39, can easily avoid fuel conductor 107 and interference toe board 12 to Fuel Tank 18 tops.
In the operational process of driving engine 9, the fuel that petrolift 25 sucks in the Fuel Tank 18 by preliminary filter 26 is discharged to fuel filter 27.After this fuel is filtered by fuel filter 27, successively through fuel take-off pipe 39, fuel conductor 107, and fuel adaptor union 105 supply to fuel injection valve 103.During this period, when the discharge pressure of petrolift 25 surpassed specified value, pressure regulator 28 work directly were released to the fuel of excess pressure in the Fuel Tank 18.Therefore, need on pressure regulator 28, not connect the special fuel recurrent canal that leads to Fuel Tank 18, can realize the simplification that constitutes.
; this fuel supply system 22 is with fuel filter 27 vertical putting; petrolift 25 is horizontal; and this petrolift 25 is configured to the height identical with pressure regulator 28; form L word shape on the whole substantially, this pressure regulator 28 is configured to a side-lower of fuel filter 27, so; can set overall height lower effectively, suitable configuration be in pancake Fuel Tank 18 of toe board 12 belows effectively.
In addition, fuel outlet tube 36 that is arranged above and below and filter body 32 and the 1st and the 2nd wiring connector apparatus 95 that disposes up and down, 96 and pressure regulator 28 from the line of centers of mounting flange 35 offset configuration in the opposite direction, so, petrolift 25 and fuel residual volume sensor 29 also dispose towards opposition side biasing ground from the line of centers of mounting flange 35, so, fuel supply system 22 can be inserted into Fuel Tank 18, simultaneously, can be with mounting flange 35 minor diameterizations, thereby can realize the minor diameterization of the peristome 43 of Fuel Tank 18, even the narrower and small roof 18b at Fuel Tank 18 also can easily install fuel supply system 22.In addition, also can alleviate load for mounting flange 35.
In addition, the mounting flange 35 of fuel supply system 22 be fixed to from the fore-and-aft direction line of centers Y of Fuel Tank 18 towards about out-of-position position, a side, simultaneously, fuel outlet tube 36 is from the line of centers of mounting flange 35 offset configuration in the same direction, in addition, keep tube sidewall 75 and above-mentioned offset direction opposition side that fuel residual volume sensor 29 is installed at pump, in addition, the leading section of the float supporting arm 91 of this fuel residual volume sensor 29 is towards bending to L word shape with above-mentioned offset direction opposition side, float 92 is supported, so, this float 92 is by the fore-and-aft direction line of centers ground configuration near Fuel Tank 18, and this float 92 is towards the left and right directions elongation of vehicle, simultaneously, be not vulnerable to the influence of two-wheeled 1 the change of sidewindering the fuel pasta in the Fuel Tank that causes 18, can more correctly detect the fuel residual volume in the fuel cassette 18.
The invention is not restricted to the foregoing description, in the scope that does not break away from its main idea, can carry out various design modifications.
Like this according to the 1st characteristic of the present invention, dilly can be towards upper and lower to swingingly hanging the unit power plant with driving engine that the cylinder part of making leans forward at this body support frame of the rear of toe board, simultaneously, at the trailing wheel of the rearward end axle of this unit power plant supporting by its driving, in addition, configuration baggage container and passenger vehicle seat dispose Fuel Tank under toe board above unit power plant, and this Fuel Tank has oil-feed port at roof; Wherein, to be configured to ratio oil-feed port that the fuel outlet tube that is used to supply fuel to exterior fuel supply system in the Fuel Tank is configured to Fuel Tank more by the position of vehicle front, connect by flexible fuel conduit between the fuel injection valve of this fuel outlet tube and driving engine by the oil-feed port side, so, fuel conductor draws by the side of oil-feed port from the fuel take-off pipe of the anterior position of oil-feed port and is conducted to rear view of vehicle, form the big flaccid part of radius of curvature, simultaneously towards the place ahead bending, lead to fuel injection valve, thereby can reduce its flow path resistance, in addition, can avoid the interference with adjoining members, even when unit power plant swings up and down, also can reduce the angle of deflection of fuel conductor.
In addition, according to the 2nd feature of the present invention, the fuel adaptor union of positioning and fixing on driving engine is installed to fuel injection valve, above-mentioned fuel conductor is connected to the connection pipe that is fixedly arranged on this fuel adaptor union and is communicated to fuel injection valve, so, can make fuel conductor certain to the closure of the fuel adaptor union that is installed on fuel injection valve, prevent the offset of fuel conductor, simultaneously, can easily carry out its pipe arrangement.
In addition, according to the 3rd feature of the present invention, fuel supply system in Fuel Tank has delivers to the petrolift of fuel outlet tube side and the pressure regulator of the discharge pressure excess electron excess fraction escape that makes this petrolift with fuel pressure, so, the fuel of emitting from pressure regulator can be turned back to Fuel Tank according to former state, do not need to be used for the special pipe arrangement that fuel returns, can make to constitute and simplify.
In addition, according to the 4th feature of the present invention, fuel outlet tube at fuel supply system engages and fuel conductor bonded assembly fuel take-off pipe dismantledly by joint, so, pull down the fuel take-off pipe by fuel outlet tube from fuel supply system, can easily carry out the connection and the pipe arrangement of the relative fuel injection valve of fuel conductor, in addition, can not be subjected to fuel conductor easily to carry out the maintenance of fuel supply system with hindering.And, can simply promptly carry out the connection of the relative fuel supply system of fuel take-off pipe, improve assembleability.
In addition, according to the 5th feature of the present invention, dispose the fuel filter that the discharge fuel to petrolift filters near the fuel outlet tube on fuel supply system innerly, form the recess that the inner of fuel take-off pipe faces in the upper end plate of this fuel filter, so, can carry out the approaching configuration of the relative fuel filter of fuel take-off pipe, reduce the protrusion amount of fuel take-off pipe, can easily carry out the interference of fuel conductor and toe board to the Fuel Tank top.
Claims (5)
1. two-wheeled fuel supply system, can be on this body frame (2) at toe board (12) rear towards upper and lower to swingingly hanging unit power plant (6) with driving engine (9) that cylinder part of making (9a) leans forward, at the trailing wheel (3r) of the rearward end axle of this unit power plant (6) supporting by its driving, in addition, at the top of unit power plant (6) configuration baggage container (15) and passenger vehicle seat (16), dispose Fuel Tank (18) under toe board (12), this Fuel Tank (18) has oil-feed port (20) at roof (18b); It is characterized in that: the ratio oil-feed port (20) that the fuel outlet tube (36) of fuel supply system (22) is configured to Fuel Tank (18) is more by the position of vehicle front, this fuel supply system (22) is configured in the Fuel Tank (18) and is used to supply fuel to the outside, is connected by the flexible fuel conduit (107) by oil-feed port (20) side between the fuel injection valve (103) of this fuel outlet tube (36) and driving engine (9).
2. two-wheeled fuel supply system according to claim 1, it is characterized in that: the fuel adaptor union (105) of positioning and fixing in driving engine (9) is installed on the fuel injection valve (103), described fuel conductor (107) is connected to the connection pipe (105b) that is fixedly set in this fuel adaptor union (105) and is communicated with fuel injection valve (103).
3. two-wheeled fuel supply system according to claim 1 and 2 is characterized in that: the fuel supply system (22) in the Fuel Tank (18) has to fuel outlet tube (36) side pressure and send the petrolift (25) of fuel and make the pressure regulator (28) of the discharge pressure excess electron excess fraction escape of this petrolift (25).
4. two-wheeled fuel supply system according to claim 1 is characterized in that: the fuel outlet tube (36) at fuel supply system (22) engages and fuel conductor (107) bonded assembly fuel take-off pipe (39) dismantledly by joint (40).
5. two-wheeled fuel supply system according to claim 1, it is characterized in that: fuel supply system (22) go up near fuel outlet tube (36) dispose the fuel filter (27) that the discharge fuel to petrolift (25) filters innerly, the upper end plate (69) in this fuel filter (27) goes up the recess (69a) that the inner of forming fuel take-off pipe (39) faces.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP318650/2001 | 2001-10-16 | ||
| JP2001318650A JP3943889B2 (en) | 2001-10-16 | 2001-10-16 | Fuel supply device for small vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1412428A CN1412428A (en) | 2003-04-23 |
| CN1219667C true CN1219667C (en) | 2005-09-21 |
Family
ID=19136314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021444005A Expired - Fee Related CN1219667C (en) | 2001-10-16 | 2002-10-14 | Fuel supply device for small-size vehicle |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP3943889B2 (en) |
| KR (1) | KR100504617B1 (en) |
| CN (1) | CN1219667C (en) |
| ES (1) | ES2228230B2 (en) |
| IT (1) | ITTO20020893A1 (en) |
| TW (1) | TW557260B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101143612B (en) * | 2006-09-13 | 2010-07-07 | 雅马哈发动机株式会社 | Scooter-type vehicle |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3943889B2 (en) * | 2001-10-16 | 2007-07-11 | 本田技研工業株式会社 | Fuel supply device for small vehicles |
| JP3923420B2 (en) * | 2002-12-02 | 2007-05-30 | 本田技研工業株式会社 | Fuel supply structure to engine in small vehicle |
| JP4268001B2 (en) * | 2003-09-29 | 2009-05-27 | 本田技研工業株式会社 | Vehicle fuel piping structure |
| JP4367913B2 (en) * | 2003-09-30 | 2009-11-18 | 本田技研工業株式会社 | Motorcycle fuel tank structure |
| JP2005163738A (en) | 2003-12-05 | 2005-06-23 | Honda Motor Co Ltd | Fuel pipe |
| CN1914084B (en) * | 2004-01-27 | 2010-06-23 | 雅马哈发动机株式会社 | Saddle riding-type vehicle |
| JP4613114B2 (en) * | 2005-08-26 | 2011-01-12 | 本田技研工業株式会社 | Fuel hose mounting structure |
| KR100802719B1 (en) * | 2006-09-04 | 2008-02-12 | 현대자동차주식회사 | Height adjusting device of roof-spoiler for truck |
| KR101020362B1 (en) * | 2008-02-28 | 2011-03-09 | 혼다 기켄 고교 가부시키가이샤 | Vehicular fuel supply equipment |
| KR101005942B1 (en) * | 2008-05-14 | 2011-01-06 | (주)대건산업 | Boring Apparatus for Excavation |
| JP5220927B2 (en) * | 2009-09-15 | 2013-06-26 | 本田技研工業株式会社 | Wiring structure for electric motorcycles and tricycles |
| JP5632636B2 (en) * | 2010-03-31 | 2014-11-26 | 本田技研工業株式会社 | Fuel pump support structure |
| KR101101911B1 (en) * | 2011-03-18 | 2012-01-02 | (주)세종이엔씨 | Chuck having shock absorber for hammer bit, bit assembly having the same and hammer assembly |
| EP3224076B1 (en) | 2014-11-28 | 2020-10-14 | Volvo Truck Corporation | A fuel storage system |
| CN105888902A (en) * | 2016-05-18 | 2016-08-24 | 赵静 | Motorcycle gasoline conveyor |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS625989Y2 (en) * | 1981-01-27 | 1987-02-10 | ||
| JP2615074B2 (en) * | 1987-09-19 | 1997-05-28 | 本田技研工業株式会社 | Vehicle fluid pump device |
| JPH0757627B2 (en) * | 1991-01-23 | 1995-06-21 | ヤマハ発動機株式会社 | Scooter type vehicle |
| JP2847440B2 (en) * | 1991-06-07 | 1999-01-20 | 本田技研工業株式会社 | Scooter type vehicle fuel pump installation structure |
| JP2549982B2 (en) * | 1993-10-13 | 1996-10-30 | ヤマハ発動機株式会社 | Motorcycle |
| JP3477477B2 (en) * | 1995-02-03 | 2003-12-10 | 株式会社デンソー | Fuel filter and method of manufacturing the same |
| US5762047A (en) * | 1996-02-14 | 1998-06-09 | Mitsubishi Denki Kabushiki Kaisha | Fuel supplying apparatus |
| JP3588946B2 (en) * | 1996-11-27 | 2004-11-17 | スズキ株式会社 | Connection structure of fuel hose in motorcycle |
| JP4227264B2 (en) * | 1999-10-13 | 2009-02-18 | 本田技研工業株式会社 | Motorcycle fuel supply system |
| JP3943889B2 (en) * | 2001-10-16 | 2007-07-11 | 本田技研工業株式会社 | Fuel supply device for small vehicles |
-
2001
- 2001-10-16 JP JP2001318650A patent/JP3943889B2/en not_active Expired - Fee Related
-
2002
- 2002-10-12 KR KR10-2002-0062246A patent/KR100504617B1/en active IP Right Grant
- 2002-10-14 TW TW091123568A patent/TW557260B/en not_active IP Right Cessation
- 2002-10-14 ES ES200202351A patent/ES2228230B2/en not_active Expired - Fee Related
- 2002-10-14 CN CNB021444005A patent/CN1219667C/en not_active Expired - Fee Related
- 2002-10-15 IT IT000893A patent/ITTO20020893A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101143612B (en) * | 2006-09-13 | 2010-07-07 | 雅马哈发动机株式会社 | Scooter-type vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3943889B2 (en) | 2007-07-11 |
| TW557260B (en) | 2003-10-11 |
| ITTO20020893A1 (en) | 2003-04-17 |
| ES2228230A1 (en) | 2005-04-01 |
| ES2228230B2 (en) | 2006-06-01 |
| KR20030031848A (en) | 2003-04-23 |
| KR100504617B1 (en) | 2005-08-03 |
| CN1412428A (en) | 2003-04-23 |
| JP2003120450A (en) | 2003-04-23 |
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Granted publication date: 20050921 Termination date: 20211014 |