CN207945028U - Lightweight electronic fuel pump assembly - Google Patents
Lightweight electronic fuel pump assembly Download PDFInfo
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- CN207945028U CN207945028U CN201820397766.1U CN201820397766U CN207945028U CN 207945028 U CN207945028 U CN 207945028U CN 201820397766 U CN201820397766 U CN 201820397766U CN 207945028 U CN207945028 U CN 207945028U
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Abstract
The utility model is related to a kind of lightweight electronic fuel pump assemblies, including：Base body, sets that there are one oil suction chamber, a pump oil pressurizing chamber and a public oil outlet chambers in base body；Oil suction chamber is connected with pump oil pressurizing chamber, and a unicom oil duct is equipped between pump oil pressurizing chamber and public oil outlet chamber.Check valve assembly is installed in public oil outlet chamber, is suitable for blocking the connection position of oil suction chamber and public oil outlet chamber；And brushless motor roller pump assembly is equipped in pump oil pressurizing chamber.
Description
Technical field
The utility model is related to diesel engine power system technical fields, and in particular to a kind of lightweight electronic fuel pump
Assembly.
Background technology
Current diesel engine mainly uses Electrocontrolled high-pressure oil pump.Electrocontrolled high-pressure oil pump requires more entire fuel system
Harshness, whether fuel delivery is smooth to directly affect whether engine works normally.Fuel system, which needs to meet several points, requires ability
Electrocontrolled high-pressure oil pump engine is set smoothly to start：1, without air in pipeline；2, fuel circuit resistance and flow meet system requirements.
In vehicle placement for a long time or vehicle maintenance servicing operations, fuel pipe can inevitably enter air, this can cause
Rail pressure is unstable, and fuel delivery is unsmooth, so as to cause engine start difficulty, or even can not start.In addition it is limited to domestic fuel oil
Quality is irregular and the influence of low temperature environment can all aggravate the problem of engine start difficulty.In high pressure co-rail system and
Increase an electronic auxiliary fuel pump between coarse filter, is the selection of current most diesel oil engine producer.
Utility model content
The purpose of this utility model is to provide a kind of lightweight electronic fuel pump assembly, to solve the skill of auxiliary pump oil exhaust
Art problem.
In order to solve the above-mentioned technical problem, the utility model provides a kind of lightweight electronic fuel pump assembly, including：
Base body, sets that there are one oil suction chamber, a pump oil pressurizing chamber and a public oil outlet chambers in the base body；
The oil suction chamber is connected with pump oil pressurizing chamber, and a unicom oil duct is equipped between the pump oil pressurizing chamber and public oil outlet chamber；Institute
Base body is stated equipped with a horizontal oil inlet for being connect with exterior line, the horizontal oil inlet and oil suction chamber unicom；
Be additionally provided with a vertical oil outlet for being connect with exterior line on the base body, the vertical oil outlet with it is public fuel-displaced
Chamber unicom；
Check valve assembly is set in the public oil outlet chamber, is suitable for blocking the unicom of the oil suction chamber and public oil outlet chamber
Place；And
Brushless motor roller pump assembly is set in the pump oil pressurizing chamber.
In the utility model preferred embodiment, the check valve assembly includes one-way valve seat and the one-way valve seat
The check valve body of assembly, and the spring between the one-way valve seat and check valve body；Wherein
The one-way valve seat and the oil inlet port of the public oil outlet chamber are sealed by the first O-ring seal；
The one-way valve seat includes pedestal and the guide post that is located on pedestal；The logical of perforation is equipped in the pedestal and guide post
Oilhole；
The spring pocket is on the guide post；And
The check valve body includes matrix and the wing body set on matrix circumferential direction；It is fuel-displaced it to be evenly equipped with several in the wing body
Hole.
In the utility model preferred embodiment, the check valve assembly further includes the oil outlet end set on public oil outlet chamber
The valve deck of mouth；
The valve deck is connected by several blocking heads with the base body；And
The second O-ring seal is equipped between the madial wall of the valve deck and the fuel-displaced port of public oil outlet chamber；This
Two O-ring seals are set on the annular convex platform of the valve deck madial wall.
In the utility model preferred embodiment, a mounting bracket, the mounting bracket are equipped in the pump oil pressurizing chamber
The brushless motor roller pump assembly is installed by least two third O-ring seals.
Further include the outside port set on the pump oil pressurizing chamber and the nothing in the utility model preferred embodiment
Brushless motor controller between brush motor roller pump assembly；Between the brushless motor controller and brushless motor roller pump assembly
It is electrically connected.
It is located at the motor in the utility model preferred embodiment, at the outside port of the pump oil pressurizing chamber to control
The outboard end of device is equipped with an electric motor end cap；
The electric motor end cap is fixedly linked by bolt and the base body.
In the utility model preferred embodiment, the brushless motor controller includes total set on brushless motor roller pump
At the encapsulating housing between electric motor end cap；
Processor, memory and data/address bus are packaged in the encapsulating housing.
In the utility model preferred embodiment, the oil suction chamber and the intracavitary diameter of pump oil pressurization oil pocket connection place are more than
The oil suction chamber is located at oil suction chamber and the intracavitary diameter at pump oil pressurization oil pocket connection place front end.
The utility model has the beneficial effects that the lightweight electronic fuel pump assembly of the utility model in pump oil by pressurizeing
The brushless motor roller pump assembly being arranged in chamber pressurizes fuel oil in brushless motor roller pump assembly course of normal operation, simultaneously
It pumps out by public oil outlet chamber supply engine, i.e., the automatic pump oil by brushless motor roller pump assembly before an engine is started
Air in pipeline is discharged for effect, it can be ensured that the normal smoothness of fuel circuit intermediate fuel oil supply, to ensure engine
Smooth startup.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the lightweight electronic fuel pump assembly of the utility model；
Fig. 2 is the configuration schematic diagram of the lightweight electronic fuel pump assembly of the utility model；
Fig. 3 is that the interior of the lightweight electronic fuel pump assembly of the utility model cuts open structural schematic diagram；
Fig. 4 is the structural schematic diagram of the check valve body of the lightweight electronic fuel pump assembly of the utility model；
Fig. 5 is the structural schematic diagram of the one-way valve seat of the lightweight electronic fuel pump assembly of the utility model.
In figure：Base body 100, oil suction chamber 101, pump oil pressurizing chamber 103, public oil outlet chamber 105, unicom oil duct 106, water
Flat oil inlet 107, vertical oil outlet 108, brushless motor roller pump assembly 201, mounting bracket 203, third O-ring seal 205,
One-way valve seat 301, check valve body 302, spring 303, the first O-ring seal 305, valve deck 306, blocking head 307, second are O-shaped close
It is seal 309, annular convex platform 310, pedestal 401, guide post 402, oil-through-hole 403, matrix 501, wing body 502, oil outlet 503, brushless
Electric machine controller 600, electric motor end cap 701, bolt 702, conducting wire 601.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on this practicality
Embodiment in novel, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Therefore, the detailed description of the embodiment of the utility model provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the utility model of protection is sought, but is merely representative of the selected embodiment of the utility model.Based on the utility model
In embodiment, the every other implementation that those of ordinary skill in the art are obtained without creative efforts
Mode shall fall within the protection scope of the present invention.
Shown in please referring to Fig.1 to Fig.3, a kind of lightweight electronic fuel pump assembly is present embodiments provided, including：Pedestal sheet
Body 100, sets that there are one 101, pump oil pressurizing chambers 103 of oil suction chamber and a public oil outlet chambers 105 in base body 100；Into
Oil pocket 101 is connected with pump oil pressurizing chamber 103, and a unicom oil duct is equipped between pump oil pressurizing chamber 103 and public oil outlet chamber 105
106.Check valve assembly is installed in public oil outlet chamber 105, is suitable for blocking the connection position of oil suction chamber 101 and public oil outlet chamber 105；
And brushless motor roller pump assembly 201 is equipped in pump oil pressurizing chamber 103.
Specifically, base body 100 is equipped with a horizontal oil inlet 107 for being connect with exterior line, the level
Oil inlet 107 and 101 unicom of oil suction chamber, horizontal oil inlet 107 are used for the entrance of external fuel oil；It is additionally provided on base body 100
A vertical oil outlet 108 for being connect with exterior line, the vertical oil outlet 108 and 105 unicom of public oil outlet chamber, vertically
Oil outlet 108 is supplied for fuel oil to engine.
It please refers to shown in Fig. 3 to Fig. 5, then specifically, check valve assembly includes one-way valve seat 301, filled with one-way valve seat 301
The check valve body 302 matched, and the spring 303 between one-way valve seat 301 and check valve body 302；Wherein one-way valve seat 301
It is sealed by the first O-ring seal 305 with the oil inlet port of public oil outlet chamber 105；One-way valve seat 301 includes pedestal 401 and hangs down
Guide post 402 on pedestal 401；The oil-through-hole 403 of perforation is equipped in pedestal 401 and guide post 402；Spring 303, which is sleeved on, leads
On column 402.And check valve body 302 includes matrix 501 and the wing body 502 set on 501 circumferential direction of matrix；It is evenly equipped in wing body 502
Several oil outlets 503.Check valve body 302 can be moved back and forth along the guide post 402 of one-way valve seat 301, and the elastic force of spring 303 is compeled
Make under normal circumstances, the matrix 501 of check valve body 302 blocks the oil-through-hole 403 of inflow check valve seat 301.
Check valve assembly ensure that the oil in system is only unidirectional and export outward to engine, and cannot be back to oil suction chamber
101, when to ensure the brushless motor roller pump work, the adequate of pressure and pump oil oil mass.
Check valve assembly further includes the valve deck 306 set on the fuel-displaced port of public oil outlet chamber 105, at the center of valve deck 306
Oil outlet (being not marked in figure) equipped with perforation.Valve deck 306 is connected by several blocking heads 307 with base body 100；And
The second O-ring seal 309 is equipped between the madial wall of valve deck 306 and the fuel-displaced port of public oil outlet chamber 105；This is second O-shaped close
Seal 309 is set on the annular convex platform 310 of 306 madial wall of valve deck, and the design of the second O-ring seal 309 can be to avoid fuel oil
It is revealed from head 307 from blocking.
A mounting bracket 203 is equipped in pump oil pressurizing chamber 103, which passes through the O-shaped sealing of at least two thirds
205 installation brushless motor roller pump assembly 201 of circle, plays sealing and high-pressure and low-pressure area buffer action.
Lightweight electronic fuel pump assembly further includes the outside port and brushless motor roller pump set on pump oil pressurizing chamber 103
Brushless motor controller 600 between assembly 201；Between the brushless motor controller 600 and brushless motor roller pump assembly 201
It is electrically connected.
At the outside port of pump oil pressurizing chamber 103 electric motor end cap 701 is equipped with positioned at the outboard end of electric machine controller；Motor
End cap 701 is fixedly linked by bolt 702 and base body 100.
Brushless motor controller 600 includes the encapsulation being set between brushless motor roller pump assembly 201 and electric motor end cap 701
Shell；Processor, memory and data/address bus are packaged in encapsulating housing.Encapsulating housing surface is equipped with data line socket and for electric mortiser
Seat, power supply base are connected to power supply by conducting wire 601.
In order to reduce fuel oil resistance, oil suction chamber 101 and the intracavitary diameter of pump oil pressurization oil pocket connection place are more than oil suction chamber 101
Intracavitary diameter at oil suction chamber 101 and pump oil pressurization oil pocket connection place front end so that fuel oil enters oil suction chamber 101 through oil inlet
Afterwards, the fuel flow in oil suction chamber 101 and pump oil pressurization oil pocket connection place increases, and fuel oil resistance further decreases.
The lightweight electronic fuel pump assembly specific embodiment of the present embodiment is：
After the power supply of brushless motor controller 600 is connected, driving brushless motor roller pump assembly 201 works, fuel oil from into
It in hydraulic fluid port in oil suction chamber 101, is inhaled into brushless motor roller pump assembly 201, brushless motor roller pump assembly 201 works normally
In the process, fuel oil is pressurizeed, while the unicom oil duct 106 by being equipped between pump oil pressurizing chamber 103 and public oil outlet chamber 105 pumps
Go out to public oil outlet chamber 105, in this state, due to the effect of the spring 303 of check valve assembly, the matrix of check valve body 302
501 block the oil-through-hole 403 of inflow check valve seat 301, by the fuel oil of the pump of unicom oil duct 106 to public oil outlet chamber 105 by unidirectional
Oil outlet 503 in the wing body 502 of valve body 302 is sending out fuel pump to engine by brushless motor roller pump assembly 201
Automatic pump oil before motivation starts acts on, and the air in pipeline is discharged, it can be ensured that fuel circuit intermediate fuel oil supplies normal
Smoothness, to ensure the smooth startup of engine.Using the electronic transportation oil of the brushless motor roller pump assembly 201,
Energy automatic pump oil, assisted engine start.The brushless motor roller pump assembly 201 being related to for the present embodiment is using for example but not
It is limited to the brushless motor roller pump assembly that publication number CN103244409A is announced.
After the dump of brushless motor controller 600, brushless motor roller pump assembly 201 is stopped, fuel oil warp
Oil inlet is by oil suction chamber 101, in oil suction chamber 101 under the pressure of the fuel oil of the connection position of public oil outlet chamber 105, unidirectional valve group
The check valve body 302 of part is moved to the direction of the pedestal 401 far from one-way valve seat 301, and spring 303 is stretched in moving process,
When check valve body 302 is moved to the oil-through-hole 403 for the guide rod for exposing one-way valve seat 301, fuel oil enters public through oil-through-hole 403
Oil outlet chamber 105 altogether, then pumps to engine.After oil inlet stops fuel oil entrance, under the recovery force effect of spring 303, elasticity
Valve body returns to normal.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to which its technology is determined according to right
Property range.
In the description of the present invention, it should be understood that the term of indicating position or position relationship is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or imply institute
The equipment or element of finger must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this reality
With novel limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be
Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" refers to only that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right over two features and oblique upper, or be merely representative of fisrt feature level height and be higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature level
Height is less than second feature.
Claims (8)
1. a kind of lightweight electronic fuel pump assembly, which is characterized in that including：
Base body, sets that there are one oil suction chamber, a pump oil pressurizing chamber and a public oil outlet chambers in the base body；It is described
Oil suction chamber is connected with pump oil pressurizing chamber, and a unicom oil duct is equipped between the pump oil pressurizing chamber and public oil outlet chamber；The bottom
Seat ontology is equipped with a horizontal oil inlet for being connect with exterior line, the horizontal oil inlet and oil suction chamber unicom；It is described
A vertical oil outlet for being connect with exterior line is additionally provided on base body, which joins with public oil outlet chamber
It is logical；
Check valve assembly is set in the public oil outlet chamber, is suitable for blocking the connection position of the oil suction chamber and public oil outlet chamber；With
And
Brushless motor roller pump assembly is set in the pump oil pressurizing chamber.
2. lightweight electronic fuel pump assembly according to claim 1, which is characterized in that the check valve assembly includes single
The check valve body assembled to valve seat, with the one-way valve seat, and the spring between the one-way valve seat and check valve body；
Wherein
The one-way valve seat and the oil inlet port of the public oil outlet chamber are sealed by the first O-ring seal；
The one-way valve seat includes pedestal and the guide post that is located on pedestal；The logical oil of perforation is equipped in the pedestal and guide post
Hole；
The spring pocket is on the guide post；And
The check valve body includes matrix and the wing body set on matrix circumferential direction；Several oil outlets are evenly equipped in the wing body.
3. lightweight electronic fuel pump assembly according to claim 2, which is characterized in that the check valve assembly further includes
Valve deck set on the fuel-displaced port of public oil outlet chamber；
The valve deck is connected by several blocking heads with the base body；And
The second O-ring seal is equipped between the madial wall of the valve deck and the fuel-displaced port of public oil outlet chamber；The second O-shaped sealing
On annular convex platform of the snare loaded on the valve deck madial wall.
4. lightweight electronic fuel pump assembly according to claim 1, which is characterized in that be equipped in the pump oil pressurizing chamber
One mounting bracket, the mounting bracket install the brushless motor roller pump assembly by least two third O-ring seals.
5. according to Claims 1 to 4 any one of them lightweight electronic fuel pump assembly, which is characterized in that further include being set to
Brushless motor controller between the outside port of the pump oil pressurizing chamber and the brushless motor roller pump assembly；This is brushless electricity
It is electrically connected between machine controller and brushless motor roller pump assembly.
6. lightweight electronic fuel pump assembly according to claim 5, which is characterized in that the outside of the pump oil pressurizing chamber
At port an electric motor end cap is equipped with positioned at the outboard end of the electric machine controller；
The electric motor end cap is fixedly linked by bolt and the base body.
7. lightweight electronic fuel pump assembly according to claim 6, which is characterized in that the brushless motor controller packet
It includes set on the encapsulating housing between brushless motor roller pump assembly and electric motor end cap；
Processor, memory and data/address bus are packaged in the encapsulating housing.
8. lightweight electronic fuel pump assembly according to claim 1, which is characterized in that the oil suction chamber pressurizes with pump oil
The intracavitary diameter of oil pocket connection place is more than the oil suction chamber and is located at oil suction chamber and the intracavitary diameter at pump oil pressurization oil pocket connection place front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820397766.1U CN207945028U (en) | 2018-03-22 | 2018-03-22 | Lightweight electronic fuel pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820397766.1U CN207945028U (en) | 2018-03-22 | 2018-03-22 | Lightweight electronic fuel pump assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207945028U true CN207945028U (en) | 2018-10-09 |
Family
ID=63698480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820397766.1U Active CN207945028U (en) | 2018-03-22 | 2018-03-22 | Lightweight electronic fuel pump assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207945028U (en) |
-
2018
- 2018-03-22 CN CN201820397766.1U patent/CN207945028U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Lightweight electronic fuel pump assembly Effective date of registration: 20230303 Granted publication date: 20181009 Pledgee: Bank of China Limited Xiangyang Branch Pledgor: HUBEI SAIENSI SCIENCE & TECHNOLOGY CO.,LTD. Registration number: Y2023980033919 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |