CN207568675U - Electrodeless adjustable displacement formula lubricating oil pump - Google Patents
Electrodeless adjustable displacement formula lubricating oil pump Download PDFInfo
- Publication number
- CN207568675U CN207568675U CN201721566155.7U CN201721566155U CN207568675U CN 207568675 U CN207568675 U CN 207568675U CN 201721566155 U CN201721566155 U CN 201721566155U CN 207568675 U CN207568675 U CN 207568675U
- Authority
- CN
- China
- Prior art keywords
- oil pump
- lubricating oil
- piston
- guiding valve
- plunger shaft
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of electrodeless adjustable displacement formula lubricating oil pump, including body and the cap being arranged on body, it is slided in body and is equipped with guiding valve, lubricating oil pump changes eccentricity with the slip of guiding valve, fluid pressure drive device is included through the plunger shaft being opened in body and the piston being slidably located in plunger shaft, also pad is equipped with middle layer between the contact surface of the plunger shaft and the piston, each flow real-time parameter in body feeds back to flow control system successively, flow control system controls fluid pressure drive device that piston is driven to move, and it is moved with movable pulley, to control the discharge capacity of lubricating oil pump.The utility model, by the way that position of the piston movement with movable pulley is controlled to move the eccentricity to change lubricating oil pump, and then change the discharge capacity of lubricating oil pump, the rotating speed of engine has been considered not only during the adjusting of oil flow rate, and take into account the influence of oil temperature, ensure engine lubrication system under any rotating speed, all there are one best oil flow rates under any temperature.
Description
Technical field
The utility model is related to lubricating oil pump, and in particular to electrodeless adjustable displacement formula lubricating oil pump.
Background technology
Energy-saving and emission-reduction are the development trends of Modern Engine, and engine is under the conditions of different rotating speeds, to the need of oil flow rate
Seeking Truth is different, and it is adjustable that the lubricating oil pump of existing variable displacement generally only realizes flow two-stage, lacks simple and effective nothing
Grade regulating device, it is impossible to ensure engine lubrication system under any rotating speed, all there are one best machine oil streams under any temperature
Amount.
In conclusion to realize that oil flow rate is electrodeless adjustable, need to design at present a kind of simple in structure, efficient variable
Displacement oil pump.
Utility model content
Technical problem to be solved in the utility model is the stepless-adjustment that existing variable displacement lubricating oil pump lacks flow
The problem of regulating device.
In order to solve the above-mentioned technical problem, technical solution is to provide a kind of electrodeless adjustable displacement used by the utility model
Formula lubricating oil pump including body and the cap being arranged on the body, is slided in the body and is equipped with guiding valve, lubricating oil pump is with described
The slip of guiding valve and change eccentricity, the guiding valve along glide direction by the inside division of the body be first pressure adjusting cavity
With second pressure adjusting cavity, compression, which is equipped with, and in the second pressure adjusting cavity, between the guiding valve and the body is adjusted
Spring runs through and rotates equipped with impeller drive shaft in the guiding valve, further includes fluid pressure drive device and flow control system, described
Fluid pressure drive device is included through the plunger shaft being opened in the body and the piston being slidably located in the plunger shaft, institute
The right end for stating piston is stretched into the first pressure adjusting cavity and is resisted against on the lateral wall of the guiding valve, the oil sump and institute
It states and high-pressure oil pump is connected between piston, the plunger shaft is formed in the one end for being piercing in the body together with the high-pressure oil pump
Opening, and the interior internal diameter through more than the opening of the plunger shaft, the left end of the piston moves in the plunger shaft,
Between the contact surface of the plunger shaft and the piston also pad be equipped with middle layer, the flow control system respectively with the body
It connects, and is configured to the piston, the flow control system controls the fluid pressure drive device so that the piston to be driven to move
It is dynamic, and the guiding valve is driven to move, to control the discharge capacity of lubricating oil pump.
In said program, the flow control system include successively respectively with the oil sump of lubricating oil pump, external start
Machine and the piston connection electronic control unit, the electronic control unit respectively by the body pressure information, load information,
The rotary speed information of temperature information, the location information of the piston and the impeller drive shaft feeds back to the flow control system
System.
It in said program, is set in the electronic control unit there are one map tables, the flow control system is according to the letter of feedback
The discharge capacity of breath control lubricating oil pump.
In said program, the plunger shaft on the surface of the piston with being respectively coated by the middle layer.
In said program, the material of the middle layer is sealing material.
In said program, the material of the middle layer is elastic material.
In said program, in the body also be integrally formed offer main fuel feeding oil duct and respectively with the main fuel feeding
The oil suction chamber and oil outlet chamber, generator of oil duct connection provide power for the impeller drive shaft.
In said program, offered on the body the first pressure release oil duct for being connected respectively with the main fuel feeding oil duct and
Second pressure release oil duct, and the first pressure release oil duct and the second pressure release oil duct are pressed respectively with the first pressure adjusting cavity and second
Power adjusting cavity connects.
In said program, the first pressure adjusting cavity is more than the second pressure tune to the active area of the guiding valve
Save active area of the chamber to the guiding valve.
In said program, the outer end of the impeller drive shaft is connected by belt with the bent axle of the engine.
The utility model, by the way that position of the piston movement with movable pulley is controlled to move the eccentricity to change lubricating oil pump, into
And change the discharge capacity of lubricating oil pump, the rotating speed of engine is considered not only during the adjusting of oil flow rate, and consider
The influence of oil temperature, by control of the electronic control unit to high-pressure oil pump, finally controls the discharge capacity of lubricating oil pump, ensures to start
Machine lubricating system is under any rotating speed, and all there are one best oil flow rates under any temperature.
Description of the drawings
Fig. 1 is to cut open structure diagram in the utility model；
Fig. 2 is the outline structural diagram of the utility model；
Fig. 3 is the control flow chart of the utility model.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings of the specification.
As shown in Figure 1 to Figure 3, electrodeless adjustable displacement formula lubricating oil pump provided by the utility model, including body 11 and lid and
Cap 15 on body 11, interior slide of body 11 are equipped with guiding valve 9, and lubricating oil pump 18 changes eccentricity with the slip of guiding valve 9, sliding
Inside of body 11 or so segmentation is formed first pressure adjusting cavity 3 and second pressure adjusting cavity 4 by valve 9 along glide direction, the
It is compressed in two pressure regulating cavities 4, between guiding valve 9 and body 11 and is equipped with adjustment spring 7, run through in guiding valve 9 and rotate equipped with impeller
Drive shaft 8, the outer end of impeller drive shaft 8 are connected by drive shaft sprocket wheel 16 and belt with the bent axle of engine.
In body 11 also be integrally formed offer main fuel feeding oil duct and the oil suction chamber 5 connected respectively with main fuel feeding oil duct and
Oil outlet chamber 6, generator provide power for impeller drive shaft 8.First connected respectively with main fuel feeding oil duct is offered on body 11
1 and second oil inlet 2 of oil inlet, and the first oil inlet 1 and the second oil inlet 2 are pressed respectively with first pressure adjusting cavity 3 and second
Power adjusting cavity 4 connects, and first pressure adjusting cavity 3 is more than second pressure adjusting cavity 4 to the guiding valve 9 to the active area of guiding valve 9
Active area.
As shown in figure 3, the core of the utility model further includes fluid pressure drive device and flow control system, hydraulic-driven dress
Put the piston 12 including running through the plunger shaft 10 being opened in body 11 He being slidably located in plunger shaft 10, the right end of piston 12
It stretches into body 11 and is resisted against on the lateral wall of guiding valve 9, the left end of piston 12 moves in the plunger shaft 10, oil sump 13
High-pressure oil pump 14 is connected between piston 12, plunger shaft 10 forms connection high-pressure oil pump 14 in the one end for being piercing in body 11
Opening.The interior internal diameter through preferably greater than opening of plunger shaft 10, is limited in plunger shaft 10 with the left end for ensureing piston 12 and moved.
Between the contact surface of plunger shaft 10 and piston 12 also pad be equipped with one layer of middle layer, especially can plunger shaft 10 with
One layer of middle layer has been respectively coated by the surface of piston 12, the work of double shielding can be further played to plunger shaft 10 and piston 12
With the material of middle layer is preferably sealing material or elastic material, can play the role of good seal shock-proof.
Flow control system is connect respectively with body 11 and piston 12, and each flow real-time parameter in body 11 is fed back successively
To flow control system, then flow control system control fluid pressure drive device driving piston 12 moves, and moved with movable pulley 9
It is dynamic, to achieve the purpose that the discharge capacity of electrodeless control lubricating oil pump in real time.
Flow control system include successively respectively with the oil sump of lubricating oil pump 18 13, external engine 17 and piston 12
The electronic control unit 24 of connection, when the utility model at work, electronic control unit 24 respectively by body 11 pressure information 22, load
Information 21, temperature information 23, the location information of piston 12 and impeller drive shaft 8 rotary speed information 19 feed back to flow control system
System.It is set in electronic control unit 24 there are one map tables, electronic control unit 24 is by pressure information 22, load information 21, temperature information 23, position
Confidence breath 20 and rotary speed information 19 are shown in accordingly on map tables, and flow control system controls piston according to feedack
Pressure in chamber 10 simultaneously makes piston 12 move right, and declines the discharge capacity of lubricating oil pump 18, so as to reach the mesh of electrodeless adjustment discharge capacity
's.
When guiding valve 9 is located at Far Left, the eccentricity of lubricating oil pump is maximum, and machine oil pumpage is maximum.
When engine just starts, since oil temperature is the bottom of compared with, while engine speed is low, in order to meet engine start
Requirement of the lubricating system to oil level in the process, high pressure oil air pump inoperative, plunger shaft inner engine oil pressure is the bottom of compared with, due to adjustment spring
The effect of pretightning force, guiding valve will always be in most left position, and the oil level that lubricating oil pump each rotation is pumped out at this time is maximum, with
Engine speed rising, oil flow rate rises rapidly.
In engine work, with the raising of engine speed, required lubricants capacity is also bigger, for general
Logical lubricating oil pump, the flow pumped is directly proportional to rotating speed, this will cause lubricating oil pump excessive in high-revolving pumping
Machine oil, power dissipation and oil consumption is caused to increase.The utility model passes through load feedback, temperature feedback, load feedback
And piston position feedback comes to controlling high-pressure oil pump, and then the pressure of the plunger shaft of fluid pressure drive device, piston cavity pressure
Increase, then piston will drive guiding valve to move right at this time, and machine oil pumpage declines, so as to complete the electrodeless tune to oil pump capacity
Section.In control logic, closed loop control has been used, has made control more accurate.
The utility model, by the way that position of the piston movement with movable pulley is controlled to move the eccentricity to change lubricating oil pump, into
And change the discharge capacity of lubricating oil pump, the rotating speed of engine is considered not only during the adjusting of oil flow rate, and consider
The influence of oil temperature, by control of the electronic control unit to high-pressure oil pump, finally controls the discharge capacity of lubricating oil pump, ensures to start
Machine lubricating system is under any rotating speed, and all there are one best oil flow rates under any temperature.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn that under the enlightenment of the utility model
The structure change made, it is every that there is same or similar technical solution with the utility model, each fall within the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. electrodeless adjustable displacement formula lubricating oil pump, including body and the cap being arranged on the body, which is characterized in that the machine
It slides in vivo and is equipped with guiding valve, lubricating oil pump changes eccentricity with the slip of the guiding valve, and the guiding valve is along glide direction by described in
The inside division of body is first pressure adjusting cavity and second pressure adjusting cavity, and in the second pressure adjusting cavity, described
Compression is equipped with adjustment spring between guiding valve and the body, runs through in the guiding valve and rotates equipped with impeller drive shaft, further includes
Fluid pressure drive device and flow control system, the fluid pressure drive device include through be opened in plunger shaft in the body and
The piston being slidably located in the plunger shaft, the right end of the piston stretch into the first pressure adjusting cavity and are resisted against institute
It states on the lateral wall of guiding valve, high-pressure oil pump is connected between oil sump and the piston, the plunger shaft is being piercing in the machine
One end of body forms the opening together with the high-pressure oil pump, and the interior internal diameter through more than the opening of the plunger shaft, described
The left end of piston moves in the plunger shaft, and also pad is equipped with middle layer between the contact surface of the plunger shaft and the piston,
The flow control system is connect respectively with the body and the piston, and is configured to, and the flow control system controls institute
Fluid pressure drive device is stated so that the piston to be driven to move, and the guiding valve is driven to move, to control the discharge capacity of lubricating oil pump.
2. electrodeless adjustable displacement formula lubricating oil pump as described in claim 1, which is characterized in that the flow control system is wrapped successively
Include the electronic control unit being connect respectively with the oil sump of lubricating oil pump, external engine and the piston, the electronic control unit point
Not by pressure information, load information, temperature information, the location information of the piston and the impeller-driven in the body
The rotary speed information of axis feeds back to the flow control system.
3. electrodeless adjustable displacement formula lubricating oil pump as claimed in claim 2, which is characterized in that there are one being set in the electronic control unit
Map tables, the flow control system control the discharge capacity of lubricating oil pump according to feedack.
4. electrodeless adjustable displacement formula lubricating oil pump as described in claim 1, which is characterized in that the plunger shaft and the piston
The middle layer has been respectively coated by surface.
5. electrodeless adjustable displacement formula lubricating oil pump as described in claim 1, which is characterized in that the material of the middle layer is sealing
Material.
6. electrodeless adjustable displacement formula lubricating oil pump as described in claim 1, which is characterized in that the material of the middle layer is elasticity
Material.
7. electrodeless adjustable displacement formula lubricating oil pump as described in claim 1, which is characterized in that be also integrally formed and open in the body
The oil suction chamber and oil outlet chamber connected equipped with main fuel feeding oil duct and respectively with the main fuel feeding oil duct, generator are that the impeller drives
Moving axis provides power.
8. electrodeless adjustable displacement formula lubricating oil pump as claimed in claim 7, which is characterized in that offered on the body respectively with
The the first pressure release oil duct and the second pressure release oil duct of the main fuel feeding oil duct connection, and the first pressure release oil duct and the second pressure release oil
Road connects respectively with the first pressure adjusting cavity and second pressure adjusting cavity.
9. electrodeless adjustable displacement formula lubricating oil pump as described in claim 1, which is characterized in that the first pressure adjusting cavity is to institute
The active area for stating guiding valve is more than active area of the second pressure adjusting cavity to the guiding valve.
10. electrodeless adjustable displacement formula lubricating oil pump as claimed in claim 2, which is characterized in that the outer end of the impeller drive shaft
It is connected by belt with the bent axle of the engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721566155.7U CN207568675U (en) | 2017-11-21 | 2017-11-21 | Electrodeless adjustable displacement formula lubricating oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721566155.7U CN207568675U (en) | 2017-11-21 | 2017-11-21 | Electrodeless adjustable displacement formula lubricating oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207568675U true CN207568675U (en) | 2018-07-03 |
Family
ID=62691356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721566155.7U Expired - Fee Related CN207568675U (en) | 2017-11-21 | 2017-11-21 | Electrodeless adjustable displacement formula lubricating oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207568675U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725135A (en) * | 2017-11-21 | 2018-02-23 | 吉林大学 | Electrodeless adjustable type displacement-variable oil pump |
| CN109695489A (en) * | 2018-12-29 | 2019-04-30 | 台州滨海吉利发动机有限公司 | Warm-up period displacement-variable oil pump control method, device, controller and vehicle |
-
2017
- 2017-11-21 CN CN201721566155.7U patent/CN207568675U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725135A (en) * | 2017-11-21 | 2018-02-23 | 吉林大学 | Electrodeless adjustable type displacement-variable oil pump |
| CN109695489A (en) * | 2018-12-29 | 2019-04-30 | 台州滨海吉利发动机有限公司 | Warm-up period displacement-variable oil pump control method, device, controller and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180703 Termination date: 20191121 |