CN206571606U - Diesel oil cold start-up electric pump mechanism - Google Patents
Diesel oil cold start-up electric pump mechanism Download PDFInfo
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- CN206571606U CN206571606U CN201720270232.8U CN201720270232U CN206571606U CN 206571606 U CN206571606 U CN 206571606U CN 201720270232 U CN201720270232 U CN 201720270232U CN 206571606 U CN206571606 U CN 206571606U
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- oil
- oil inlet
- shell
- fuel
- inlet end
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Abstract
The utility model is related to a kind of fuel pump, more particularly to a kind of diesel oil cold start-up electric pump mechanism.The utility model provides following technical scheme：A kind of diesel oil cold start-up electric pump mechanism, include shell, the oil inlet end on shell, oil outlet end and rotor, the stator for being sheathed on outer casing inner wall and being adapted to rotor and the blade linked with rotor in shell, lasting oil pipeline provided with axial one end and oil inlet end conducting, the other end and oil outlet end conducting between the oil inlet end and oil outlet end of the shell, this, which continues to be provided with oil pipeline, prevents the anti-reflux mechanism at oil outlet end at fuel flow returns to oil inlet end.Using above-mentioned technical proposal, there is provided a kind of low power consuming, service life length, the resistance of reduction fuel oil oil, diesel oil cold start-up electric pump mechanism simple in construction.
Description
Technical field
The utility model is related to a kind of fuel pump, more particularly to a kind of diesel oil cold start-up electric pump mechanism.
Background technology
Fuel pump is the technical term of auto parts machinery industry.It is one of basic composition of electro jet car fuel injection system.
Effect be fuel oil is suctioned out from fuel tank, pressurize after be transported in fuel feed pump and be connected with atomizer.
Diesel-electric pump is one kind of fuel pump, and it is using diesel oil as working media.Traditional diesel-electric pump is main by outer
Shell, the oil inlet on shell, oil-out and rotor in shell, it is sheathed on outer casing inner wall and is adapted to rotor
Stator and with rotor link blade constitute.It is provided with to be connected with fuel tank at oil inlet pipe, oil-out at oil inlet and is provided with and spray
The flowline of oil nozzle connection.
After traditional diesel-electric pump startup, fuel oil implements the fuel oil in fuel tank by the centrifugal force of itself to take out
Take, then fuel oil is exported to atomizer by diesel-electric pump, and approach atomizer is entered in engine.Traditional mode
Need the diesel-electric pump continuous firing.After it is stopped, although fuel oil can still be exported in fuel tank.But approach bavin
During oily electrodynamic pump, its internal part and pressure can cause oily resistance to fuel oil, the output of fuel oil is had some setbacks.And continue work
Make not only to consume energy but also reduce the service life of diesel-electric pump.
The content of the invention
In view of the deficienciess of the prior art, the utility model provides a kind of low power consuming, service life length, reduces fuel oil
Oil resistance, diesel oil cold start-up electric pump mechanism simple in construction.
To achieve the above object, the utility model provides following technical scheme：A kind of diesel oil cold start-up electric pump mechanism,
It is characterised in that it includes have shell, the oil inlet end on shell, oil outlet end and rotor in shell, be sheathed on it is outer
The stator being adapted on shell inwall and with rotor and the blade linked with rotor, it is characterised in that：The oil inlet end of the shell is with going out
Lasting oil pipeline provided with axial one end with oil inlet end conducting, the other end and oil outlet end conducting between oily end, this continues oil transportation
Being provided with pipeline prevents the anti-reflux mechanism at oil outlet end at fuel flow returns to oil inlet end.
Using above-mentioned technical proposal, by set between the oil inlet end and oil outlet end of shell respectively with oil inlet end and fuel-displaced
Implement the lasting oil pipeline of connection in end.When the device starts, the fuel oil in fuel tank is extracted, and fuel oil can be in approach shell
And lasting oil pipeline is exported by oil outlet end, after the device is stopped, fuel oil still can be defeated by lasting petroleum pipeline
Go out, and the oil pressure of the fuel oil exported by lasting output channel is not affected by larger resistance, its pressure for exporting fuel oil still has
Meet the standard of output, the fuel feeding of engine is protected, and the device need not be continuously in working condition, that is, reduce
Power consumption, while can also extend the service life of the device.The setting of anti-reflux mechanism can prevent the fuel flow returns of oil outlet end extremely
In fuel tank, with protective effect.
The utility model is further arranged to：It is provided with the oil inlet end of shell at oil inlet pipe, oil outlet end and is provided with flowline, institute
The lasting oil pipeline stated includes passes through connecting tube between two sections of bodys being connected respectively with oil inlet pipe and flowline, two bodys
Connection, described anti-reflux mechanism includes the check valve assembly at connecting tube.
Using above-mentioned technical proposal, so set and be easy to assembling, make assembling process more fast and conveniently.
The utility model is further set to：Connecting tube includes connector and is distributed in prolonging for the axial two ends of connector
Stretch and interface channel is offered in body, extension body and connector, connector is set in the interface channel with extending body joining place
Limited location opening, clapper that described check valve assembly includes at the limit opening and set towards oil inlet end and
The compression spring contradicted with clapper towards the other end of oil inlet end one end, extension body, which is located in interface channel, is provided with voltage supply
The spring base that contracting spring is contradicted.
Using above-mentioned technical proposal, convenient disassembly is so set, anti-return effect is good and simple in construction, processing cost
It is low.
The utility model is further set to：Connected respectively by three-way pipe between oil inlet pipe, flowline and two bodys.
Using above-mentioned technical proposal, dismounting is so set and processes more convenient.
The utility model is further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is Fig. 1 I portions enlarged diagram.
Embodiment
A kind of diesel oil cold start-up electric pump mechanism as shown in Figure 1 and Figure 2, includes shell 1, the oil-feed on shell 1
End 11, oil outlet end 12 and rotor 13 in shell 1, the stator 14 for being sheathed on the inwall of shell 13 and being adapted to rotor 13
And the blade 15 linked with rotor 13, led between the oil inlet end 11 and oil outlet end 12 of shell 1 provided with axial one end with oil inlet end 11
The lasting oil pipeline 2 that the logical, other end and oil outlet end 12 are turned on, this, which continues to be provided with oil pipeline 2, prevents from firing at oil outlet end 12
Oil is back to the anti-reflux mechanism 3 at oil inlet end 11.In such scheme, by the oil inlet end 11 in shell 1 and oil outlet end 12 it
Between the lasting oil pipeline 2 for implementing to be connected respectively with oil inlet end 11 and oil outlet end 12 is set.When the device starts, in fuel tank
Fuel oil be extracted, fuel oil in approach shell 1 and can continue oil pipeline 2 and be exported by oil outlet end 12, when the device stops
After work, fuel oil can still be exported by lasting petroleum pipeline 2, and the oil pressure of the fuel oil exported by lasting output channel 2 is not affected by
Larger resistance, its pressure for exporting fuel oil still has the standard for meeting output, the fuel feeding of engine is protected, and
The device need not be continuously in working condition, that is, reduce power consumption, while can also extend the service life of the device.Anti-return
The setting of mechanism 3 can be prevented in fuel flow returns to the fuel tank of oil outlet end 12, with protective effect.
In the utility model embodiment, for the ease of dismounting and processing.Oil inlet pipe is provided with the oil inlet end 11 of shell 1
111, flowline 121 is provided with oil outlet end 12, continue oil pipeline 2 include two sections respectively with oil inlet pipe 111 and flowline 121
Connected between the body 21 of connection, two bodys 21 by connecting tube 22, anti-reflux mechanism 3 includes the list at connecting tube 22
To valve module.Connecting tube 22 includes connector 221 and is distributed in the extension body 222 at the axial two ends of connector 221, extension
Interface channel 223, the interface channel 223 of connector 221 and the extension joining place of body 222 are offered in body 222 and connector 221
It is interior to be provided with limit opening 2231；The list that check valve assembly includes at the limit opening 2231 and set towards oil inlet end 11
The compression spring 32 contradicted to flap 31 and with clapper 31 towards the other end of the one end of oil inlet end 11, extends body 222
In the interior spring base 321 being provided with for the conflict of compression spring 32 of interface channel 223.In use, after the device starts, fuel oil
Fuel oil in case starts output, wherein, a part of fuel oil is exported by the inside of shell 1, and another part fuel oil overcomes compression spring 32
Spring force after by clapper 31 top open, clapper 31 is separated with limit opening 2231, promotes interface channel 223 to turn on reality
Apply output.It is not only simple in structure, and anti-return effect is good.
The utility model in order to be further easy to dismounting.Divide between oil inlet pipe 111, the body 21 of flowline 121 and two
Do not connected by three-way pipe 4.Certainly, it is necessary to which lasting oil pipeline 2, if design allows, can also be integrally machined by explanation
Shaping, is also feasible.
Claims (4)
1. a kind of diesel oil cold start-up electric pump mechanism, it is characterised in that：Include shell, it is the oil inlet end on shell, fuel-displaced
End and the rotor in shell, the stator for being sheathed on outer casing inner wall and being adapted to rotor and the blade linked with rotor,
It is characterized in that：Turned between the oil inlet end and oil outlet end of the shell provided with axial one end and oil inlet end, the other end with it is fuel-displaced
The lasting oil pipeline of conducting is held, this, which continues to be provided with oil pipeline, prevents preventing back at fuel flow returns to oil inlet end at oil outlet end
Flow mechanism.
2. diesel oil cold start-up electric pump mechanism according to claim 1, it is characterised in that：Set at the oil inlet end of the shell
Have at oil inlet pipe, oil outlet end be provided with flowline, described lasting oil pipeline include two sections respectively with oil inlet pipe and flowline
Connected between the body of connection, two bodys by connecting tube, described anti-reflux mechanism includes unidirectional at connecting tube
Valve module.
3. diesel oil cold start-up electric pump mechanism according to claim 2, it is characterised in that：Described connecting tube includes company
Interface channel, connector are offered in junctor and the extension body for being distributed in the axial two ends of connector, extension body and connector
Limit opening is provided with interface channel with extending body joining place, described check valve assembly includes in the limit opening
Place and the clapper set towards oil inlet end and the compression spring contradicted with clapper towards the other end of oil inlet end one end,
Extension body is located at the spring base for being provided with and being contradicted for compression spring in interface channel.
4. the diesel oil cold start-up electric pump mechanism according to Claims 2 or 3, it is characterised in that：It is described oil inlet pipe, fuel-displaced
Connected respectively by three-way pipe between pipe and two bodys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720270232.8U CN206571606U (en) | 2017-03-20 | 2017-03-20 | Diesel oil cold start-up electric pump mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720270232.8U CN206571606U (en) | 2017-03-20 | 2017-03-20 | Diesel oil cold start-up electric pump mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206571606U true CN206571606U (en) | 2017-10-20 |
Family
ID=60055823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720270232.8U Active CN206571606U (en) | 2017-03-20 | 2017-03-20 | Diesel oil cold start-up electric pump mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206571606U (en) |
-
2017
- 2017-03-20 CN CN201720270232.8U patent/CN206571606U/en active Active
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