CN1603607A - Shell of fuel pump - Google Patents

Shell of fuel pump Download PDF

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Publication number
CN1603607A
CN1603607A CN 200410083484 CN200410083484A CN1603607A CN 1603607 A CN1603607 A CN 1603607A CN 200410083484 CN200410083484 CN 200410083484 CN 200410083484 A CN200410083484 A CN 200410083484A CN 1603607 A CN1603607 A CN 1603607A
Authority
CN
China
Prior art keywords
fuel
shell
petrolift
fuel pump
passage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN 200410083484
Other languages
Chinese (zh)
Other versions
CN1603607B (en
Inventor
林秀树
八木泽胜一
森信也
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Mitsuba Corp
Original Assignee
Honda Motor Co Ltd
Mitsuba Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd, Mitsuba Corp filed Critical Honda Motor Co Ltd
Publication of CN1603607A publication Critical patent/CN1603607A/en
Application granted granted Critical
Publication of CN1603607B publication Critical patent/CN1603607B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invetion provides a fuel pump case, capable of smoothing flow of fuel in the fuel pump case having a fuel passage, and improving the degree of freedom concerning the position and direction of a fuel exit. This fuel pump case 80 has the fuel passage 82 from a delivery port 81 of a fuel pump toward an engine 21. The fuel passage 82 is provided with the fuel exit 83 that is perpendicular to the delivery port 81 of the fuel pump, and a guide surface 84 to guide fuel delivered from the delivery port 81 of the fuel pump to be smoothly directed to the fuel exit 83.

Description

Shell of fuel pump
Technical field
The present invention relates on a kind of attached interior petrolift body of ensconcing in the fuel pot, and the structure of the shell of fuel pump that when the petrolift body being installed on the fuel pot regulation position, uses.
Background technique
All the time, assemble easily and shell of fuel pump with the filter body in fuel passage and the fuel passage is known (for example referring to Patent Document 1)
Patent documentation 1 Japanese patent laid-open 11-200974 communique (Fig. 1)
Introduce patent documentation 1 according to following accompanying drawing.
Fig. 9 is the view of explanation prior art basic structure.Shown in the figure at fuel discharge outlet 201 outlet sides and formed fuel passage 202, filter body 203 is arranged in the fuel passage 202, is provided with the shell of fuel pump 207 of the fuel pot built-in petrolift of fuel outlet 204 and fuel discharge outlet 206 at fuel passage 202 outlet sides.
The fuel of discharging from petrolift 208 discharge tubes 209 leads to fuel feed pipe 214 to starting pusher side output by the filter body 203 in the fuel passage 202 that is arranged on shell of fuel pump 207 from fuel outlet 204.
In case the pressure in the fuel passage 202 surpass authorized pressure, the pressure adjustment is opened with safety valve 205, the fuel in the fuel passage 202 from fuel discharge outlet 206 to the fuel pot side flow.
The side 212 of the fuel outlet side of the fuel collision flange components 211 of discharging from petrolift 208 discharge tubes 209 and change direction, the wall 213 of the fuel outlet side of collision flange components 211 and change direction once more enters fuel feed pipe 214.
Just, the fuel of discharging from the discharge tube 209 of petrolift 208 changes flow direction by the wall 213 of the fuel outlet side side 212 of flange components 211 and fuel outlet side, and enters fuel feed pipe 214, twice and change directions.Flow for this, wish that fuel more successfully flows, the stream loss of fuel passage 202 is reduced.
Summary of the invention
The purpose of this invention is to provide a kind of shell of fuel pump, it can make the fuel in the shell of fuel pump with fuel passage mobile more smooth, and improves the degrees of freedom of fuel outlet position and direction.
First aspect present invention is a kind of attached on the petrolift body, and the container that when being installed in the petrolift body on the fuel pot assigned position, uses, keep in the shell of fuel pump of above-mentioned petrolift exhaust port in the fuel passage of combustion mechanism interior, above-mentioned fuel passage comprises and the vertical fuel outlet of above-mentioned petrolift exhaust port, and comprises the guide surface that successfully leads towards fuel outlet ground from the fuel of petrolift exhaust port discharge.
In fuel passage, comprise and the vertical fuel outlet of above-mentioned petrolift exhaust port, but also comprise the guide surface that successfully leads from the fuel of petrolift exhaust port discharge towards fuel outlet ground.
Because the guide surface that fuel is successfully led to fuel outlet ground from exhaust port, under the fuel outlet situation different with petrolift exhaust port direction, fuel can more successfully flow.
Because fuel can more successfully flow, and can reduce the loss of fuel passage.
And, by comprising the guide surface that leads towards fuel outlet ground, flow on one side can keep the smooth of fuel, Yi Bian change the position of fuel outlet.
Second aspect present invention is above-mentioned guide surface by making the wall with respect to the shell of fuel pump of petrolift exhaust port tilt to form.
The guide surface that tilts and to form successfully to tilt by the wall that makes shell of fuel pump towards fuel outlet for fuel from the discharge of petrolift exhaust port.
Owing to the wall that makes shell of fuel pump tilts to form guide surface, need not to prepare to add parts, fuel that just can fuel passage is more mobile.
Third aspect present invention is that above-mentioned guide surface is the guide plate that tilts in above-mentioned fuel passage.
With the oblique guide plate as the guide surface that successfully is provided with and comprises fuel passage for the fuel of discharging towards fuel outlet from the petrolift exhaust port.
Owing to as the guide surface that comprises fuel passage, need not to rely on the shape of shell of fuel pump with the oblique guide plate, can make fuel successfully towards the mobile deflection of the fuel of fuel outlet by guide plate.
Fourth aspect present invention is to make when the pressure in the fuel passage surpasses authorized pressure to open, and the safety valve that makes fuel return fuel pot faces in the above-mentioned fuel passage.
Owing to when pressure surpasses authorized pressure, open, and the safety valve that makes fuel return fuel pot faces above-mentioned fuel passage, can not need other fuel to return the interpolation parts relevant with safety valve such as pipe arrangement and safety valve mounting bracket.
Because safety valve and shell of fuel pump are integrated, can apply flexibly the rotation space of the many shell of fuel pump of constraint effectively.
In first aspect present invention, owing to comprise the guide surface that fuel is fluidly led smoothly towards fuel outlet ground, having fuel can more successfully flow, the advantage that the minimizing fuel passage is lost.
In second aspect present invention,, exist to need not to prepare to add parts, the advantage that the fuel of fuel passage can more successfully flow owing to the wall that makes shell of fuel pump tilts to form guide surface.
In third aspect present invention since with the oblique guide plate set up as guide surface, have the shape that need not to rely on shell of fuel pump, can make fuel successfully towards the flow advantage of deflection of the fuel of fuel outlet.
In fourth aspect present invention, face above-mentioned fuel passage owing to open the safety valve that makes fuel return fuel pot when pressure surpasses authorized pressure, the present invention has the advantage that can not need other fuel to return the interpolation parts relevant with safety valve such as pipe arrangement and safety valve mounting bracket.
Description of drawings
Fig. 1 is the side view of automotive bicycle that meets the shell of fuel pump of the present invention's first example;
Fig. 2 is the amplification view of 2 parts among Fig. 1, is the sectional view that has assembled the fuel pot of the shell of fuel pump that meets the present invention's first example;
Fig. 3 is the view of seeing along direction shown in the arrow among Fig. 23;
Fig. 4 be meet the present invention's first example assembling the action diagram of shell of fuel pump of petrolift;
Fig. 5 is the sectional view that meets the shell of fuel pump of the present invention's second example;
Fig. 6 is the view of seeing along direction shown in the arrow among Fig. 56;
Fig. 7 is the sectional view that meets the shell of fuel pump of the present invention's the 3rd example;
Fig. 8 is the sectional view that meets the shell of fuel pump of the present invention's the 4th example;
Fig. 9 is the view of explanation prior art basic structure.
Description of reference numerals
42 fuel pot, 43 petrolifts, 80 shell of fuel pump, the exhaust port of 81 petrolifts, 82 fuel passage, 83 fuel outlets, 84 guide surfaces, 88 safety valves, 104 guide surface walls, 105 fuel outlet side wall surfaces, 106 fuel outlet upper lateral part walls, 107 filters, 108 oblique guide plates.
Embodiment
Fig. 1 is the side view that comprises the automotive bicycle of the shell of fuel pump that meets the present invention's first example, the drawing that direction is seen shown in the accompanying drawing is-symbol arrow.
Automotive bicycle 10 mainly comprises vehicle body frame 11, be installed in the front fork 12 on the Top pipe 11a of vehicle body frame 11, be installed in the front-wheel 13 on the front fork 12, the handle 14 that links to each other with front fork 12, can swing up and down the combination oscillating engine 15 of installation at the rear portion of vehicle body frame 11, be installed in the trailing wheel 16 on the combination oscillating engine 15, hang the back cushion pad unit 17 of combination oscillating engine 15 rearward end, be installed in the storage tank 18 on top, vehicle body frame 11 rear portion, setting is installed on the storage tank 18 and the seat support 19 that can install with opening and closing.
Vehicle body frame 11 is by the joint 11C formed framework that will link together with the afterframe 11R that Top manages the front baffle 11F of the integrally formed die casting manufacturing of 11a and die casting manufacturing.
Combination oscillating engine 15 is made up of the stepless speed changer 22 of the belt transducer of motor 21 and band centrifugal clutch.Motor 21 is to face between the case 18 of accommodating cylinder portion and the fuel pot 42 and water-cooled 4 two-stroke engines that roughly tilt to substantially horizontal.
This automotive bicycle 10 covers 30 covering body frameworks 11 by body.Body lid 30 comprises pairing left and right base plate side cover 34 that the protecgulum 31 that covers Top pipe 11a front portion, the rear portion that covers protecgulum 31 cover the foot treadle (sunken bed formula foot treadle) 33 of the leg shielding 32 in driver foot the place ahead, carrying driver foot simultaneously, extend from the outer rim of foot treadle 33 downwards, cover bottom 35 between base plate side cover 34 lower edges, cover front portion, seat support 19 lower end seat support lower cover 36, cover bonnet 37, the pairing left and right side cover 38 of 19 times rear portions of seat support and trailing wheel 16 tops.
This automotive bicycle 10 is configured in leg with main switch (ignition switch) 41 and shields in 32 parts, petrolift in fuel pot 42 and the interior plant fuel pot 42 is configured in the below of foot treadle 33, support not shown in the figures is arranged in the rear upper end portion of vehicle body frame 11, simultaneously radiator is configured on this support with fuel reserve tank 44, storage battery 45 and control gear 46.
Reference character 51 expression handles among the figure, the left brake lever of 52 expressions, 53 expression instrument panels, 54 expression reflecting mirrors, the a pair of to the left and right indicator in the place ahead that 55 expressions are provided with, 56F represents the front side handle cover, 56R represents the rear side handle cover, 57 expression headlights, 58 expressions are arranged on the loudspeaker in the protecgulum 31, the front fender that 59 expressions are rotated with front fork 12,61 expression pairing left and right engine lifting hooks, 62 expression motor initiating kickpedals, 63 expressions are arranged on the air-strainer in car body left side, 64 expression Carburetors, and 65 expressions are arranged on the engine cooling radiator of the crankshaft 21a right-hand member of motor 21,66 expression motor outlet pipes, 67 expressions are arranged on the exhaust baffler on car body right side, 71 expression main backstops, 72 expression rear mudguards, 73 expression taillights, 74 expression rears are to indicator, and 75 represent carriages, and He represents the helmet.
Fig. 2 is 2 amplification views of Fig. 1, is the sectional view that shows the fuel pot of having assembled the shell of fuel pump that meets the present invention's first example.
Shell of fuel pump is to be attached on petrolift 43 bodies, and the container that when petrolift 43 bodies being installed in the fuel pot 42 on the regulation position, uses, in the interior shell of fuel pump 80 that keeps the fuel passage 82 of leading to motor 21 (with reference to figure 1) from the exhaust port 81 of petrolift 43, fuel passage 82 comprises the fuel outlet 83 vertical with the exhaust port 81 of petrolift, also comprise and make the fuel of discharging, the successfully inclined guide surface 84 that leads to fuel outlet 83 from the exhaust port 81 of petrolift 43.
Supply of fuel road 85 is arranged in the fuel outlet 83, fuel pipe 87 is installed in the outlet 86 on the supply of fuel road 85 of starting pusher side.
The fuel discharge outlet 89 that will link to each other with safety valve 88 is arranged in the fuel passage 82.
The 91st, from the suction port of fuel pot 42 suction fuel, the 92nd, the filter of approval, the 93rd, fuel lacks detection device, and the 84th, fuel lacks to detect uses float.
Hereinafter the installation relation to shell of fuel pump 80 is introduced.
Fuel pot 42 is installed on the front baffle 11F, and the container mounting bracket 96 that is used to shell of fuel pump 80 is coincide is set at above the fuel pot 42.
For shell of fuel pump 80 is fixed on the fuel pot 42,, in advance screw 98 is installed on the container mounting bracket 96 by auxiliary stand 97.
Thereby, petrolift body 43, the shell of fuel pump 80 that safety valve 88 has been installed and seal element 99 are installed on the container mounting bracket 96, fixed component 101 is positioned on the shell of fuel pump 80, last, by nut 102 fixed fuel pump case 80.
In case press the safety valves 88 that fuel returned in the fuel pot 42 above authorized pressure to be arranged in the fuel passage 82 in the fuel passage.
By safety valve 88 is set in fuel passage 82, fuel can be set returns pipe arrangement and the interpolation elements relevant such as safety valve mounting bracket with safety valve.
Because safety valve 88 is integrated with shell of fuel pump 80, can apply flexibly the rotation space of the many shell of fuel pump 80 of constraint effectively.
Fig. 3 is the view of seeing along direction shown in the arrow among Fig. 23, shows the situation in fuel passage 82 that is formed in the shell of fuel pump 80 and the exhaust port 83 that supply of fuel path 85 is arranged on fuel passage 82.
The 103rd, supply with socket to the power supply of petrolift 43 (with reference to figure 2) power supply.
By being that the center disposes fuel passage 82 movably along arrow a or b for example, change the position of fuel outlet 83 while can keep flowing smoothly of fuel with a P.
Just, can not damage the position that fuel fluidly changes fuel outlet 83 smoothly by moving the fuel passage 82 that comprises inclined guide surface 84 (with reference to figure 2).
Fig. 4 be meet the present invention's first example assembling the action diagram of shell of fuel pump of petrolift.The fuel that enters petrolift 43 by permission filter 92 from suction port 91 shown in arrow c like that enters in the fuel passage 82 shown in arrow d from fuel discharge outlet 81 like that, by the effect of the guide surface 84 that leads towards fuel outlet 83 from exhaust port 81, fuel can more successfully flow to fuel outlet 83.In case the fuel pressure in the fuel passage 82 rises on the authorized pressure, described fuel flows shown in arrow e like that by safety valve 88.
The fuel of discharging from petrolift exhaust port 81 is tilted guide surface 84 guiding in fuel passage 82 configurations, gently changes direction and flows in the fuel supply pipe 85.
Because fuel gently changes direction by guide surface 84, successfully flow, and enter in the fuel feed pipe 85, movement disorder is seldom.
Thereby can reduce the loss of fuel passage 82.
And, because safety valve 88 is integrated with shell of fuel pump 80, do not need the interpolation parts relevant with safety valve, can reduce the rotation space of the many shell of fuel pump 80 of constraint.
And the wall 104 by making shell of fuel pump 80 tilts to form to be made from the fuel of petrolift exhaust port 91 discharges successfully towards the guide surface 84 of fuel outlet 83 earth tilt.
Owing to tilt to form guide surface 84 by the wall 104 that makes shell of fuel pump 80, do not prepare the addition portion part, the fuel in the fuel passage 82 is more successfully flowed.
Owing to fuel is successfully flowed, can reduce the loss of fuel passage 82.
Consider the loss of fuel passage 82, the tiltangle 1 of the guide surface 84 in the fuel passage 82, the distance L 2 of the center of petrolift exhaust port 81 and fuel outlet side wall surface 105, and the height H 2 of fuel outlet upper lateral part wall 106 can at random be set.
In fuel passage 82, safety valve 88 can be arranged on the fuel outlet side.Because safety valve can be configured in fuel outlet 83 sides, on one side fuel is flowed smoothly, Yi Bian improve the degrees of freedom of design.
Thereby, can not lose the position that fuel fluidly changes fuel outlet 83.
Fig. 6 is the view of seeing along direction shown in the arrow among Fig. 56, has shown the situation on fuel passage 82 that is formed on the shell of fuel pump 80 and the fuel outlet 83 that fuel supply path 85 is arranged on fuel passage 82.
The 103rd, supply with socket to the power supply of petrolift 43 power supplies.
And, can set the width W 2 of fuel passage 82 arbitrarily.
Fig. 7 is the sectional view that meets the shell of fuel pump of the present invention's the 3rd example, and the filter 107 that will be used for filtering by the inexpungible trickle foreign matter of permission filter 92 (with reference to figure 4) is arranged in the fuel passage 82.
Owing in fuel passage 82, be provided with filter 107, remove trickle foreign matter while can keep fuel to flow smoothly.
Fig. 8 is the sectional view that meets the shell of fuel pump of the present invention's the 4th example, shows that guide surface 84 is situations of the guide plate 108 of inclination in fuel passage 82.
With the guide plate 108 that tilts as from the fuel of petrolift exhaust port 81 discharges successfully towards the guide surface 84 in the fuel passage 82 of being included in of fuel outlet 83 ground settings.
Owing to as the guide surface 84 that is included in the fuel passage 82, need not to rely on the shape of the wall 104 of shell of fuel pump 80, just can make fuel make towards fuel outlet 83 ground successfully that fuel is mobile is partial to the guide plate 108 that tilts.
In addition, keep the automotive bicycle in the fuel pot in shell of fuel pump of the present invention is applicable to, also go for tricycle, also be applicable to general vehicle.
Utilize possibility on the industry
Shell of fuel pump of the present invention is applicable to automotive bicycle.

Claims (4)

1 one kinds attached to the container that uses on the petrolift body and when being installed in the petrolift body on the fuel pot assigned position, it is characterized in that: keep from above-mentioned petrolift exhaust port in the shell of fuel pump of the fuel passage of combustion mechanism interior, above-mentioned fuel passage comprises and the vertical fuel outlet of above-mentioned petrolift exhaust port, and comprises the guide surface that successfully leads towards fuel outlet ground from the fuel of petrolift exhaust port discharge.
2 according to the described shell of fuel pump of claim 1, it is characterized in that: by making the above-mentioned guide surface of wall inclination formation with respect to the shell of fuel pump of petrolift exhaust port.
3 according to the described shell of fuel pump of claim 1, it is characterized in that: above-mentioned guide surface is the guide plate that tilts in fuel passage.
4 according to claim 1,2 or 3 described shell of fuel pump, it is characterized in that: the safety valve of opening when the pressure in the fuel passage surpasses authorized pressure and making fuel return fuel pot is faced in the above-mentioned fuel passage.
CN 200410083484 2003-10-02 2004-09-30 Shell of fuel pump Expired - Fee Related CN1603607B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2003-379124 2003-10-02
JP379124/2003 2003-10-02
JP2003379124A JP2005113891A (en) 2003-10-02 2003-10-02 Fuel pump case

Publications (2)

Publication Number Publication Date
CN1603607A true CN1603607A (en) 2005-04-06
CN1603607B CN1603607B (en) 2011-06-22

Family

ID=34544488

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200410083484 Expired - Fee Related CN1603607B (en) 2003-10-02 2004-09-30 Shell of fuel pump

Country Status (3)

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JP (1) JP2005113891A (en)
CN (1) CN1603607B (en)
TW (1) TW200526868A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0710471A2 (en) * 2006-04-21 2011-08-16 Mitsuba Corp fuel supply apparatus
JP4875398B2 (en) * 2006-04-21 2012-02-15 株式会社ケーヒン Fuel supply module
JP4575335B2 (en) * 2006-06-30 2010-11-04 本田技研工業株式会社 Fuel tank

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3734281B2 (en) * 1993-09-10 2006-01-11 株式会社デンソー In-tank fuel pump
JPH11241659A (en) * 1998-02-25 1999-09-07 Mitsubishi Electric Corp Fuel supply device
CN2365428Y (en) * 1999-03-09 2000-02-23 赵彤涌 Unit construction axial absorption two-stage centrifugal pump
CN2370807Y (en) * 1999-03-25 2000-03-29 汪志刚 Full-automatic liquid supplying device
WO2002016754A1 (en) * 2000-08-18 2002-02-28 Mitsubishi Denki Kabushiki Kaisha Fuel feed device

Also Published As

Publication number Publication date
TW200526868A (en) 2005-08-16
JP2005113891A (en) 2005-04-28
TWI323762B (en) 2010-04-21
CN1603607B (en) 2011-06-22

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Granted publication date: 20110622

Termination date: 20150930

EXPY Termination of patent right or utility model