CN207813800U - A kind of eductor for fuel oil pump assembly - Google Patents
A kind of eductor for fuel oil pump assembly Download PDFInfo
- Publication number
- CN207813800U CN207813800U CN201820111310.4U CN201820111310U CN207813800U CN 207813800 U CN207813800 U CN 207813800U CN 201820111310 U CN201820111310 U CN 201820111310U CN 207813800 U CN207813800 U CN 207813800U
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- Prior art keywords
- oil
- pump assembly
- oil pipe
- fuel
- eductor
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- Fuel-Injection Apparatus (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
This application provides a kind of eductors for fuel oil pump assembly, wherein including：Injection main body and brush cap, the injection main body includes connecting seat, main oil pipe and side oil pipe, the connecting seat is connected on the shell inner bottom surface of fuel oil pump assembly, the main oil pipe is laterally embedded in the upper end of the connecting seat, the brush cap is arranged in the oil inlet of described main oil pipe one end, the side oil pipe is tapped at the side of the main oil pipe, the opening of the side oil pipe end is connected with the pump core of fuel oil pump assembly, in the operating condition, the eductor oil spout, oil outside the shell washes the mushroom diaphragm of the fuel oil pump assembly open, it allows the shell to be in full oil condition and there is oil storage function.Eductor provided by the present application for fuel oil pump assembly, the eductor parts for solving existing fuel pump are more, are unfavorable for production installation, the higher problem of cost.
Description
Technical field
The utility model is related to a kind of fuel pumps, more particularly to a kind of eductor for fuel oil pump assembly.
Background technology
Fuel pump is since with simple in structure, compact dimensions, imbedibility is good, and output oil amount is big, and noise is small, smooth running, effect
The features such as rate is high, long lifespan, is fired extensively
Fuel pump has simple in structure, compact dimensions, and imbedibility is good, and output oil amount is big, and noise is small, and smooth running is efficient,
The features such as long lifespan, is mainly used in gasoline engine or diesel engine oil supply system, the fuel oil in fuel tank is transported to and is started
Machine.Fuel oil pump assembly structure generally includes fuel pump, filter and eductor etc., the eductor parts of existing fuel pump compared with
It is more, it is unfavorable for production installation, cost is higher, and the fuel pump after installation carries out injection using return pressure, leads to fuel pump
Back pressure is big in the oil circuit of assembly, reduces the oil transportation efficiency of fuel pump.
Utility model content
The purpose of this utility model is to provide a kind of eductor for fuel oil pump assembly, solves existing fuel pump
Eductor parts are more, are unfavorable for production installation, the higher problem of cost.
In order to solve the above technical problems, the utility model provides the following technical solutions：
A kind of eductor for fuel oil pump assembly, wherein including：Injection main body and brush cap, the injection main body packet
Connecting seat, main oil pipe and side oil pipe are included, the connecting seat is connected on the shell inner bottom surface of fuel oil pump assembly, and the main oil pipe is horizontal
To being embedded in the upper end of the connecting seat, the brush cap is arranged in the oil inlet of described main oil pipe one end, the side oil pipe
It is tapped at the side of the main oil pipe, the opening of the side oil pipe end is connected with the pump core of fuel oil pump assembly, is working
Under state, the eductor oil spout, the oil outside the shell washes the mushroom diaphragm of the fuel oil pump assembly open, allows at the shell
In full oil condition and there is oil storage function.
Further, the connecting seat is fixedly connected with the slot on the shell inner bottom surface.
Further, the brush cap seals the oil inlet by being interference fitted to compress.
Further, the other end of the main oil pipe is exported with oil extraction.
Further, the injection main body further includes being connected between the connecting seat and the section of stretching out of the main oil pipe
Fixed plate.
Further, the side oil pipe end is realized with pump core interference fit and is tightly connected.
Further, the diameter of the oil inlet is less than the diameter of oil extraction outlet.
The utility model has the advantages that it can be seen from above-mentioned technical proposal：
1. due to the injection main body of the utility model, by the way that main oil pipe and connecting seat are made of one formula, thus reduce
The quantity of part so that it is easy for installation, production efficiency is high, cost-effective, more improve the reliability of product.
2. since the fuel oil pump assembly in the utility model is sprayed using Fluid pressure ejector principle, relative to existing combustion
Oil pump assy carries out injection using return pressure, and the oil transportation efficiency of fuel pump improves 3%-5%.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the dimensional structure diagram of the eductor of the utility model.
Fig. 2 is the injection mounting structure schematic front view of the utility model.
Fig. 3 is the injection mounting structure schematic top plan view of the utility model.
Fig. 4 is the dimensional structure diagram of the injection mounting structure of the utility model.
Reference sign：
Shell -1, slot -11, fuel pump -2, strainer -3, mushroom diaphragm -4, eductor -5, injection main body -51, brush cap,
Connecting seat -511, main oil pipe -512, side oil pipe -513, opening -5131, fixed plate -514, oil inlet -521, oil extraction outlet -
522。
Specific implementation mode
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
The application is described further below with reference to Fig. 1 to Fig. 4, as shown in Figure 1 a kind of is for fuel oil pump assembly
Eductor 5, including：Injection main body 51 and brush cap, the injection main body 51 include connecting seat 511, main oil pipe 512 and side oil pipe
513, the connecting seat 511 is connected on 1 inner bottom surface of shell of fuel oil pump assembly, and the main oil pipe 512 is laterally embedded described
The upper end of connecting seat 511, the brush cap are arranged in the oil inlet 521 of 512 one end of the main oil pipe, the side oil pipe 513
It is tapped at the side of the main oil pipe 512, the opening 5131 of 513 end of side oil pipe is connected with the pump core of fuel oil pump assembly
It connects, as depicted in figs. 1 and 2, in the operating condition, 5 oil spout of the eductor makes the shell using Fluid pressure ejector principle
Oil outside body 1 washes the mushroom diaphragm 4 of the fuel oil pump assembly open, allows the shell 1 to be in full oil condition and has oil storage function,
To ensure that automobile fuel oil pump assembly in low oil level or climb and fall can work normally, in addition, the utility model is by fuel pump 2
Oil transportation efficiency improves 3%-5%, and fuel oil pump assembly originally is to carry out injection using return pressure, leads to fuel oil pump assembly
Oil circuit in back pressure it is big, the oil transportation efficiency of fuel pump 2 is low.
As shown in Figure 2 and Figure 4, the connecting seat 511 is fixedly connected with the slot 11 on 1 inner bottom surface of the shell, the mushroom
Mushroom diaphragm 4 keeps out the opening in the slot 11.
The installation of brush cap is exactly to be pressed into from the oil inlet 521, and the brush cap is compressed by being interference fitted described in sealing
Oil inlet 521.
As shown in Figure 1, there is the other end of the main oil pipe 512 oil extraction to export 522.
The injection main body 51 further includes being connected between the connecting seat 511 and the section of stretching out of the main oil pipe 512
Fixed plate 514.
As shown in figures 1 and 3,513 end of side oil pipe is realized with pump core interference fit and is tightly connected.
The diameter of the oil inlet 521 is less than the diameter of oil extraction outlet 522.
The injection main body 51 uses polyformaldehyde material, the brush cap to use stainless steel.
As shown in Fig. 2, the fuel oil pump assembly further includes the fuel pump 2 being arranged in the shell 1 and strainer 3, it is described
Strainer 3 is located in the pump core of the fuel pump 2, for carrying out contaminant filter to the fuel oil entered out of fuel tank in fuel pump 2.
The injection main body 51 of the utility model, by the way that main oil pipe 512 and connecting seat 511 are made of one formula, to reduce
The quantity of part, easy for installation, production efficiency is high, cost-effective, more improves the reliability of product.
The preferred embodiment that these are only the utility model, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of eductor (5) for fuel oil pump assembly, which is characterized in that including：Injection main body (51) and brush cap, it is described
Injection main body (51) includes connecting seat (511), main oil pipe (512) and side oil pipe (513), and the connecting seat (511) is connected to combustion
On shell (1) inner bottom surface of oil pump assy, the main oil pipe (512) is laterally embedded in the upper end of the connecting seat (511), described
Brush cap is arranged in the oil inlet (521) of the main oil pipe (512) one end, and the side oil pipe (513) is tapped at the main oil
The side of (512) is managed, the opening (5131) of side oil pipe (513) end is connected with the pump core of fuel oil pump assembly, is working
Under state, eductor (5) oil spout, the oil of the shell (1) outside washes the mushroom diaphragm (4) of the fuel oil pump assembly open, allows
The shell (1) is in full oil condition and has oil storage function.
2. the eductor according to claim 1 for fuel oil pump assembly, which is characterized in that the connecting seat (511) with
Slot (11) on shell (1) inner bottom surface is fixedly connected.
3. the eductor according to claim 1 for fuel oil pump assembly, which is characterized in that the brush cap passes through interference
Cooperation, which compresses, seals the oil inlet (521).
4. the eductor according to claim 3 for fuel oil pump assembly, which is characterized in that the main oil pipe (512)
There is the other end oil extraction to export (522).
5. the eductor according to claim 2 for fuel oil pump assembly, which is characterized in that the injection main body (51) is also
Including the fixed plate (514) being connected between the connecting seat (511) and the section of stretching out of the main oil pipe (512).
6. the eductor according to claim 1 for fuel oil pump assembly, which is characterized in that side oil pipe (513) is held
It realizes and is tightly connected with pump core interference fit in portion.
7. the eductor according to claim 4 for fuel oil pump assembly, which is characterized in that the oil inlet (521)
Diameter is less than the diameter of oil extraction outlet (522).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820111310.4U CN207813800U (en) | 2018-01-23 | 2018-01-23 | A kind of eductor for fuel oil pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820111310.4U CN207813800U (en) | 2018-01-23 | 2018-01-23 | A kind of eductor for fuel oil pump assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207813800U true CN207813800U (en) | 2018-09-04 |
Family
ID=63323605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820111310.4U Active CN207813800U (en) | 2018-01-23 | 2018-01-23 | A kind of eductor for fuel oil pump assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207813800U (en) |
-
2018
- 2018-01-23 CN CN201820111310.4U patent/CN207813800U/en active Active
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