CN205689333U - A kind of structure of fuel pump main pump jet - Google Patents
A kind of structure of fuel pump main pump jet Download PDFInfo
- Publication number
- CN205689333U CN205689333U CN201620603468.4U CN201620603468U CN205689333U CN 205689333 U CN205689333 U CN 205689333U CN 201620603468 U CN201620603468 U CN 201620603468U CN 205689333 U CN205689333 U CN 205689333U
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- China
- Prior art keywords
- oil
- pump
- fuel
- siphon device
- lubricating cup
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Abstract
The utility model discloses the structure of a kind of fuel pump main pump jet, it is respectively equipped with the first siphon device and the second siphon device on lubricating cup, it is provided with distribution three-way pipe in the bottom of flange, first siphon device be responsible for from main fuel tank to lubricating cup in oil suction, second siphon device be responsible for from auxiliary fuel tank to lubricating cup in oil suction, it is divided into two after distribution three-way pipe from pump core the first flowline out, first fuel-displaced branch road drives the first siphon device, main fuel tank fluid is drawn onto in lubricating cup, the fluid supply engine of the second fuel-displaced branch road；The fluid of the second flowline is responsible for driving the second siphon device, is drawn in lubricating cup by the fluid of auxiliary fuel tank.This utility model makes full use of two flowlines of pump core, the assembly space made full use of in oil pump arranges distribution three-way pipe, and meet the far-end fuel feeding of special-shaped fuel tank simultaneously, have and make the fuel oil in special-shaped fuel tank be fully used, meet the advantage of car load course continuation mileage, it solve engine oil return and do not produce back pressure, oil return line and do not connect the oil pump feed problem of siphon device.
Description
Technical field
This utility model relates to automobile, especially relates to the structure of a kind of fuel pump main pump jet.
Background technology
At present, in Automobile Design, the space due to fuel tank is arranged limited, and is limited by body bottom arrangement space, because of
The box shape of this fuel tank mostly is abnormally-structured, is not the geometry of rule, and this is accomplished by fuel pump and uses multiple spot oil suction shape
Formula carries out oil suction, to supply normal working of engine.In the pipeline being collocated with oil return electromotor, if oil return connects jet mechanism
To repairing in lubricating cup, then it is likely to result in return oil pressure excessive and have influence on the injection pressure of oil rail and increase, causes engine calibration
Data misalignment；Use Liang Ge jet mechanism to meet far-end oil suction, near-end oil suction and oil return special-shaped fuel tank should be met
In the case of can not meeting jet mechanism, two output circuits of pump core cannot meet needs, causes and cannot fully meet three
The problem of supply oil circuit demand.
Summary of the invention
The purpose of this utility model is to provide the structure of a kind of fuel pump main pump jet, it make full use of bleed off circuit,
Siphon principle and the construction features of enough oil pump setting height(from bottom)s, in the case of pump core only has two output circuits, can be same
Time meet the supply of three oil masses, the engine oil return road solving oil pump is not provided that the oil pump design driving syphon structure is asked
Topic.
The purpose of this utility model is achieved in that
A kind of structure of fuel pump main pump jet, including in be provided with the oil pump of lubricating cup, in lubricating cup, be provided with pump core, at oil pump
The flange on top is arranged above with auxiliary fuel tank inlet nozzle, oil pump oil outlet and oil return nozzle, and feature is: the upper right at lubricating cup is passed through
Lubricating cup support is provided with the first siphon device, is provided with the second siphon device on the left of the upper end of lubricating cup, flange base on oil pump top,
The lower section of oil pump oil outlet is provided with distribution three-way pipe, and the oil-in of the first flowline lower end connects the first oil-out of pump core, the
The oil-out of one flowline upper end connects the oil-in of distribution three-way pipe, and the oil-in of the first fuel-displaced branch road upper end connects distribution three-way pipe
The first oil-out, the oil-out of the first fuel-displaced branch road lower end connects the oil-in of the first siphon device, the oil-out of the first siphon device
Being located in lubricating cup, under the effect of the first siphon device, make main fuel tank fluid enter lubricating cup, the second fuel-displaced branch road is upward through flange
Afterwards as oil pump oil outlet, from the second fuel-displaced branch road through oil pump oil-out fluid out, it is supplied in oil feed line, is started
Machine fuel feeding；The oil-in of second flowline one end connects the second oil-out of pump core, and the oil-out of the second flowline other end is even
Connecing the first oil-in of the second siphon device, the upper end of oil-feed branch road connects with the oil-out of the auxiliary fuel tank inlet nozzle being passed down through flange
Connecing, the lower end of oil-feed branch road is connected with the second oil-in of the second siphon device, and the oil-out of the second siphon device is located in lubricating cup, the
Two flowlines drive the second siphon device, make auxiliary fuel tank fluid enter in lubricating cup.
For ensureing that oil circuit pressure is not impacted by return oil pressure, the upper end of oil return pipe and the oil return nozzle being passed down through flange
Oil-out connect, what structure the lower end of oil return pipe do not take over, and the lower end of oil return pipe is located in lubricating cup.
For arranging the first siphon device and distribution three-way pipe, the setting height(from bottom) of oil pump is 271.5mm.
This utility model is respectively equipped with the first siphon device and the second siphon device on lubricating cup, is provided with in the bottom of flange
Distribution three-way pipe, the first siphon device be responsible for from main fuel tank to lubricating cup in oil suction, the second siphon device be responsible for from auxiliary fuel tank to lubricating cup
Interior oil suction, is divided into two after distribution three-way pipe from pump core the first flowline out, forms the first fuel-displaced branch road and second
Fuel-displaced branch road, the first fuel-displaced branch road drives the first siphon device, is drawn onto in lubricating cup by main fuel tank fluid, the fluid of the second fuel-displaced branch road
Supply engine；The fluid of the second flowline is responsible for driving the second siphon device, is drawn in lubricating cup by the fluid of auxiliary fuel tank.From pump
Core the oil pump capacity of the first fuel-displaced tube pump equal to the oil pump capacity of the first fuel-displaced branch road and the oil pump capacity sum of the second fuel-displaced branch road,
The oil pump capacity of the second siphon device is equal to oil inlet quantity and the oil inlet quantity sum of oil-feed branch road of the second flowline.
Therefore, this utility model makes full use of two flowlines of pump core, makes full use of the assembly space in oil pump and arranges
Distribution three-way pipe, and simultaneously meet the far-end fuel feeding of special-shaped fuel tank, have make the fuel oil in special-shaped fuel tank be fully used, full
The advantage of foot car load course continuation mileage, it solves engine oil return and does not produce back pressure, oil return line and do not connect the oil pump feed of siphon device
Problem.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the right view of Fig. 1.
Detailed description of the invention
Below in conjunction with embodiment and compare accompanying drawing this utility model is described in further detail.
A kind of structure of fuel pump main pump jet, including in be provided with the oil pump 1 of lubricating cup 6, in lubricating cup 6, be provided with pump core 7,
The flange 5 on oil pump 1 top is arranged above with auxiliary fuel tank inlet nozzle 8, oil pump oil outlet 9 and oil return nozzle 10, in the upper right of lubricating cup 6
By lubricating cup support 17, first siphon device 2 is installed, on the left of the upper end of lubricating cup 6, is provided with the second siphon device 3, on oil pump 1 top
Flange 5 bottom, the lower section of oil pump oil outlet 9 be provided with distribution three-way pipe 4, the oil-in of the first flowline 11 lower end connects pump core
First oil-out of 7, the oil-out of the first flowline 11 upper end connects the oil-in of distribution three-way pipe 4, on the first fuel-displaced branch road 12
The oil-in of end connects the first oil-out of distribution three-way pipe 4, and the oil-out of the first fuel-displaced branch road 12 lower end connects the first siphon device 2
Oil-in, the oil-out of the first siphon device 2 is located in lubricating cup 6, under the effect of the first siphon device 2, makes main fuel tank fluid enter
Lubricating cup, the second fuel-displaced branch road 13 is upward through after flange 5 as oil pump oil outlet 9, fuel-displaced through oil pump from the second fuel-displaced branch road 13
Mouth fluid out, is supplied in oil feed line, to engine oil；The oil-in of second flowline 14 one end connects pump core 7
The second oil-out, the oil-out of second flowline 14 other end connects the first oil-in of the second siphon device 3, oil-feed branch road 16
Upper end be connected with the oil-out of the auxiliary fuel tank inlet nozzle 8 being passed down through flange 5, the lower end of oil-feed branch road 16 and the second siphon device
Second oil-in of 3 connects, and the oil-out of the second siphon device 3 is located in lubricating cup 6, and the second flowline 14 drives the second siphon device 3,
Auxiliary fuel tank fluid is made to enter in lubricating cup 6.
For ensure return oil pressure oil circuit pressure is not impacted, the upper end of oil return pipe 15 be passed down through flange 5 return
The oil-out of oil nozzle 10 connects, and what structure the lower end of oil return pipe 15 does not take over, and the lower end of oil return pipe 15 is located in lubricating cup 6.
For arranging the first siphon device 2 and distribution three-way pipe 4, (i.e. flange 5 arrives the height bottom lubricating cup 6 to the setting height(from bottom) of oil pump 1
Degree) it is 271.5mm.
Claims (3)
1. a structure for fuel pump main pump jet, including in be provided with the oil pump of lubricating cup, in lubricating cup, be provided with pump core, on oil pump top
The flange of end is arranged above with auxiliary fuel tank inlet nozzle, oil pump oil outlet and oil return nozzle, it is characterised in that: the upper right at lubricating cup is led to
Cross lubricating cup support and the first siphon device is installed, on the left of the upper end of lubricating cup, be provided with the second siphon device, at the bottom of the flange on oil pump top
Portion, the lower section of oil pump oil outlet are provided with distribution three-way pipe, and the oil-in of the first flowline lower end connects the first oil-out of pump core,
The oil-out of the first flowline upper end connects the oil-in of distribution three-way pipe, and the oil-in of the first fuel-displaced branch road upper end connects diversion three-way
First oil-out of pipe, the oil-out of the first fuel-displaced branch road lower end connects the oil-in of the first siphon device, the first siphon device fuel-displaced
Mouthful being located in lubricating cup, the second fuel-displaced branch road is upward through after flange as oil pump oil outlet；The oil-in of second flowline one end
Connecting the second oil-out of pump core, the oil-out of the second flowline other end connects the first oil-in of the second siphon device, oil-feed
The upper end of branch road is connected with the oil-out of the auxiliary fuel tank inlet nozzle being passed down through flange, the lower end of oil-feed branch road and the second siphon device
Second oil-in connect, the oil-out of the second siphon device is located in lubricating cup.
The structure of fuel pump main pump jet the most according to claim 1, it is characterised in that: the upper end of oil return pipe with wear downwards
The oil-out of the oil return nozzle crossing flange connects, and the lower end of oil return pipe is located in lubricating cup.
The structure of fuel pump main pump jet the most according to claim 1, it is characterised in that: the setting height(from bottom) of oil pump is
271.5mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620603468.4U CN205689333U (en) | 2016-06-20 | 2016-06-20 | A kind of structure of fuel pump main pump jet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620603468.4U CN205689333U (en) | 2016-06-20 | 2016-06-20 | A kind of structure of fuel pump main pump jet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205689333U true CN205689333U (en) | 2016-11-16 |
Family
ID=57415238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620603468.4U Active CN205689333U (en) | 2016-06-20 | 2016-06-20 | A kind of structure of fuel pump main pump jet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205689333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940433A (en) * | 2020-07-29 | 2020-11-17 | 晶澳（邢台）太阳能有限公司 | Automatic dredging device for oil outlet of vacuum pump and vacuum pump |
-
2016
- 2016-06-20 CN CN201620603468.4U patent/CN205689333U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940433A (en) * | 2020-07-29 | 2020-11-17 | 晶澳（邢台）太阳能有限公司 | Automatic dredging device for oil outlet of vacuum pump and vacuum pump |
| CN111940433B (en) * | 2020-07-29 | 2022-02-11 | 晶澳（邢台）太阳能有限公司 | Automatic dredging device for oil outlet of vacuum pump and vacuum pump |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |