CN207716058U - A kind of two level variable-flow lubricating oil pump for automobile engine - Google Patents
A kind of two level variable-flow lubricating oil pump for automobile engine Download PDFInfo
- Publication number
- CN207716058U CN207716058U CN201721865045.0U CN201721865045U CN207716058U CN 207716058 U CN207716058 U CN 207716058U CN 201721865045 U CN201721865045 U CN 201721865045U CN 207716058 U CN207716058 U CN 207716058U
- Authority
- CN
- China
- Prior art keywords
- oil
- pump
- flow
- variable
- lubricating oil
- 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.)
- Active
Links
Landscapes
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The utility model provides a kind of two level variable-flow lubricating oil pump for automobile engine, belongs to car engine lubrication system technical field, including the pump housing and pump cover, internal rotor, outer rotor, low pressure oil pocket, high-voltage oil cavity and oil outlet are equipped in the pump housing；Internal rotor and outer rotor eccentric setting form a maximum sealed volume chamber and a minimum sealed volume chamber, form the first partition and the second partition between high-voltage oil cavity and low pressure oil pocket between internal rotor and outer rotor；Setting control engine unsteady flow measuring mechanism and machine oil oil inlet on pump cover；Unsteady flow measuring mechanism includes pressure release oil oil inlet, pressure release oil oil outlet, variable flow valve, spring and blanking cover, several oil inlets and 1 drain pan are arranged in the end face of variable-flow valve.The lubricating oil pump can make oil flow rate according to the variation of the flow of the pressure requirements of engine realization lubricating oil pump oil outlet, meet the pressure demand of the machine oil of engine, the simple requirement for meeting current energy-saving and emission-reduction again of mechanism setting.
Description
Technical field
The utility model is related to a kind of two level variable-flow lubricating oil pump for automobile engine, belong to automotive engine lubrication
Systems technology field.
Background technology
Currently, the lubricating oil pump for being traditionally used for automobile engine generally comprises the pump housing and pump cover, used between the pump housing and pump cover
Screw connects, and internal rotor, outer rotor, low pressure oil pocket and high-voltage oil cavity are equipped in the pump housing；The pump housing is equipped with oil sealing, and pump cover is equipped with
Pressure limiting valve.The lubricating oil pump for automobile engine using the above structure still has a shortcoming in practical applications：
Since the pressure limiting valve that traditional lubricating oil pump is arranged can only accomplish the requirement of a variable-flow, engine middle and slow speed of revolution can not achieve
Energy-saving and emission-reduction cause engine middle and slow speed of revolution engine oil pressure excessively high, cause the consumption of unnecessary energy, excessively high engine oil pressure
Cycle also accelerates the aging of machine oil.
The patent of Publication No. CN204201437U discloses a kind of variable flow engine oil pump, with first shell,
Two shells and a pressurization group, second shell, which has, adjusts valve group, and first shell connects second shell, and the receiving of pressurization group is set to the
Two enclosure interiors, the eccentric wheel of pressurization group are engaged with the cock body for adjusting valve group；Cock body by adjusting valve group directly drives bias
Wheel rotation reduces the driving parts quantity needed for lubricating oil pump progress flow adjustment to adjust the output oil mass of lubricating oil pump, thus drops
Low production cost and assembling difficulty, in addition, more because saving the transmission component adjusted between valve group and pressurization group, and further promote tune
The transmission efficiency between valve group and pressurization group is saved, to improve the prior art, because using multiple gears as transmission component to adjust machine
The flow of oil pump improves transmission efficiency although reducing lubricating oil pump manufacturing cost to a certain extent.But by self structure
Limitation, the variable flow engine oil pump can only accomplish a variable-flow, oil flow rate can not be made according to the pressure requirements of engine
The variation for realizing the flow of lubricating oil pump oil outlet, causes the driving power of lubricating oil pump larger, cannot reduce the oil consumption of engine.
Notification number is that the patent of CN201284736Y discloses a kind of rotor engine oil pump of the changeable flow of good economy performance, should
Lubricating oil pump includes internal rotor, drive shaft, outer rotor, the oil suction chamber for being provided with the shell of oil inlet and oil outlet and being arranged in shell
And oil outlet chamber, the oil suction chamber are communicated with oil inlet, the oil outlet chamber is communicated with oil outlet, the especially described oil suction chamber and is gone out
Oil pocket is distributed in the interior outside of outer rotor, and rotatable adjusting rotor is provided on the outside of the outer rotor and is connected to oil inlet
The side wall of the drainback passage of chamber and oil outlet chamber, oil outlet chamber is provided with relief hole；The adjusting rotor is provided with return valve, consolidates in shell
There are spring, the free end of spring to be contacted with the return valve for adjusting rotor surely；The adjusting rotor is provided with tune at drainback passage
Section valve is provided with relief valve at relief hole, and when adjusting rotor rotation, the regulating valve for adjusting rotor beats the drainback passage
On or off is closed, and the relief valve for adjusting rotor opens or closes the relief hole.The lubricating oil pump of the changeable flow is conducive to improve
The greasy property of high engine speeds section, but since the section of its adjusting is few, oil pump capacity reacting condition prolongs in operational process
Late, engine oil pressure fluctuation range is big, therefore can not be fully solved lubrication problem or engine when high engine speeds rotation
The waste problem of power.
Invention content
The technical problem to be solved by the present invention is to provide a kind of two level variable-flow machine oil for automobile engine
Pump can make lubricating oil pump oil outlet realize the demand of variable-flow twice, and engine oil pressure is excessively high when reducing engine middle and slow speed of revolution,
The demand of engine energy-saving emission reduction is also played simultaneously.
To solve the above-mentioned problems, the utility model provides a kind of two level variable-flow machine oil for automobile engine
Pump, including the pump housing and pump cover, the pump housing is interior to be equipped with internal rotor, outer rotor, low pressure oil pocket, high-voltage oil cavity and oil outlet；
The internal rotor and the outer rotor eccentric setting form a maximum sealed volume chamber between the internal rotor and the outer rotor
With a minimum sealed volume chamber, the first partition and the second partition are formed between the high-voltage oil cavity and the low pressure oil pocket, it is described
First partition is corresponding with the position at the maximum sealed volume chamber, at second partition and the minimum sealed volume chamber
Position it is corresponding；Setting control engine unsteady flow measuring mechanism and machine oil oil inlet on the pump cover；The unsteady flow measuring mechanism packet
Include pressure release oil oil inlet, pressure release oil oil outlet, variable flow valve, spring and blanking cover, the end face of the variable-flow valve be arranged several into
Hydraulic fluid port and 1 drain pan.
Preferably, the pressure release oil oil inlet is located in the high-voltage oil cavity.
Preferably, the variable-flow valve is located at the lower part of the pressure release oil oil inlet, and the variable-flow valve passes through the bullet
Spring is connected with the blanking cover.
Preferably, the pressure release oil oil outlet is arranged in the side of the variable-flow valve.
Preferably, the number of teeth of outer rotor described in the gear ratio of the internal rotor is 1 few.
Preferably, the number of the oil inlet is 4.
Preferably, it is connected by screw between the pump housing and the pump cover.
The utility model has the beneficial effects that：Two level variable-flow machine oil provided by the utility model for automobile engine
Pump, can make engine is generated under different rotating speeds two balance pressure, compared with traditional lubricating oil pump, engine speed R1 extremely
When between R4, the utility model lubricating oil pump goes out oil pressure and is significantly lower than traditional lubricating oil pump, when the reduction of oil pressure makes rotor rotate
Torque consumption reduce, reduce unnecessary energy expenditure, to save engine power.Additionally, due on unsteady flow measuring mechanism
Setting pressure release oil oil outlet is connected with low pressure oil pocket, and the machine oil released via pressure release oil oil outlet is returned directly to low pressure oil pocket, subtracts
Lack cyclic process of the machine oil via engine main oil gallery, slows down the aging of lubricating oil pump.
The utility model is used for the two level variable-flow lubricating oil pump of automobile engine, oil flow rate can be made according to engine
Pressure requirements realize the variation of the flow of lubricating oil pump oil outlet, meet the pressure demand of the machine oil of engine, the fortune with engine
Row operating mode, lubricating system parts demand etc. are matched well.Mechanism setting is simple to meet current energy-saving and emission-reduction again
Requirement, relative to a traditional variable-flow lubricating oil pump, the utility model has more significant oil-saving effect.
Description of the drawings
Fig. 1, Fig. 2 are the structural schematic diagram of the utility model lubricating oil pump.
Fig. 3 is the utility model lubricating oil pump pump body structure schematic diagram.
Fig. 4 is the utility model engine oil pump cover structural schematic diagram.
Fig. 5 is the sectional view at A-A in Fig. 4.
Fig. 6 is inner and outer rotors structural schematic diagram.
Fig. 7,8 are variable-flow valve arrangement schematic diagram.
Fig. 9 is the sectional view at variable-flow valve arrangement B-B.
Figure 10 is the schematic diagram of variable-flow valve operation principle level-one variable-flow state.
Figure 11 is the schematic diagram of variable-flow valve operation principle pressure climbing boost phase.
Figure 12 is the schematic diagram of variable-flow valve operation principle two level variable-flow state.
Figure 13 is the utility model lubricating oil pump pressure flow curve graph.
Diagram number explanation
1-the pump housing 2-pump cover, 3-internal rotor
4-outer rotor 5-low pressure, 6-high-voltage oil cavities of oil pocket
7-oil outlet 8-maximum sealed volume chamber, 9-minimum sealed volume chambers
10-the first partition 12-unsteady flow measuring mechanisms of the 11-the second partition
13-pressure release oil oil inlet 14-pressure release oil oil outlet 15-variable-flow valves
16-variable-flow valve oil inlet 17-variable-flow valve 18-springs of drain pan
19-blanking cover 20-screw, 21-lubricating oil pump oil inlets
22-variable-flow valve sagittal planes.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
The attached drawing 1-13 of type embodiment, is clearly and completely described the technical solution of the utility model embodiment.Obviously, it is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.It is new based on this described practicality
The embodiment of type, the every other embodiment that those of ordinary skill in the art are obtained belong to the model of the utility model protection
It encloses.
A kind of two level variable-flow lubricating oil pump of automobile engine is present embodiments provided, as shown in Figure 1, including 1 He of the pump housing
Pump cover 2 is connected between the pump housing 1 and pump cover 2 by screw 20.As shown in Figures 2 and 3, internal rotor 3, outer rotor are equipped in the pump housing 1
4, low pressure oil pocket 5, high-voltage oil cavity 6 and oil outlet 7.As shown in fig. 6, internal rotor 3 and 4 eccentric setting of outer rotor, internal rotor 3
Several sealed volume chambers are formed between outer rotor 4, including 8 and one minimum sealed volume chamber 9 of a maximum sealed volume chamber,
The minimum sealed volume chamber 9 is the at a fully engaged place of inner and outer rotors.As shown in figure 3, shape between high-voltage oil cavity 6 and low pressure oil pocket 5
At the first partition 10 and the second partition 11, the first partition 10 is corresponding with the position at maximum sealed volume chamber 8, the second partition 11
It is corresponding with the position at minimum sealed volume chamber 9.As shown in figure 4, being equipped with 12 He of control engine unsteady flow measuring mechanism in pump cover 2
Machine oil oil inlet 21.As shown in figure 5, pressure release oil oil inlet 13, pressure release oil oil outlet 14, variable-flow are arranged on unsteady flow measuring mechanism 12
Valve 15, spring 18 and blanking cover 19.Pressure release oil oil inlet（13）Positioned at high-voltage oil cavity（6）It is interior, variable-flow valve（15）Positioned at pressure release oil
Oil inlet（13）Lower part, variable-flow valve（15）Pass through spring（18）With blanking cover（19）It is connected, pressure release oil oil outlet（14）If
It sets in variable-flow valve（15）Side.As shown in fig. 7,4 oil inlets 16 and 1 drain pan 17 is arranged in 15 end face of variable-flow valve.
The operation principle of the two level variable-flow lubricating oil pump for automobile engine of above structure is：Engine work when by
Bent axle or sprocket wheel drive internal rotor 3 connected to it to rotate, and the internal rotor 3 drives outer rotor 4 to rotate, in inner and outer Rotator
Under high speed rotation, the machine oil at oil inlet 21 enters high-voltage oil cavity 6 through the low pressure oil pocket 5 in the pump housing, finally passes through oil outlet 7
Enter the main oil gallery of engine.Wherein, the operation principle of cycloid rotor pump is used, as shown in fig. 6, internal rotor 3 and outer turn
Sub 4 eccentric settings, internal rotor 3 is than 4 few teeth of outer rotor.
This stream for passing through unsteady flow measuring mechanism realization lubricating oil pump oil outlet for the two level variable-flow lubricating oil pump of automobile engine
The variation of amount, variable-flow mechanical work principle are as described below：
The pressure release oil oil inlet 13 being arranged on unsteady flow measuring mechanism 12 is located at the high-voltage oil cavity 6 of the pump housing 1, with engine speed
Raising, the pressure at high-voltage oil cavity 6 gradually rises, pushed at high pressure variable-flow valve 15, and then compressed spring 18.Such as Figure 10-12
Shown in Figure 13, when rotating speed is improved to R1, the pressure of high-voltage oil cavity 6 is P1, according to the spring constant k that spring 18 is arranged, this
When amount of spring compression be X1, variable-flow valve 15 is moved to the state position of level-one variable-flow shown in Figure 10, at this time in high-voltage oil cavity 6
High-pressure oil is returned via oil inlet 16 → drain pan, 17 → pressure release oil oil outlet 14 of pressure release oil 13 → variable-flow of oil inlet valve 15
To low pressure oil pocket 5, oil pressure reaches equilibrium state at P1.
When rotating speed is improved to R3, the higher oil pressure that high rotating speed generates reaches the pressure release limit of pressure release oil oil outlet 14, high
Engine oil pressure in pumping cavity 6 continues to increase, and pushes variable-flow valve 15, amount of spring compression X2, variable-flow valve 15 are moved at this time
The climbing boost phase of pressure shown in Figure 11 position, the sagittal plane 22 of variable-flow valve 15 blocks pressure release oil oil outlet 14, high at this time
6 inner engine oil of pumping cavity can not release, and as rotating speed improves, oil pressure persistently increases.
When rotating speed is improved to R4, the pressure rise of high-voltage oil cavity 6 is to the positions P2, and amount of spring compression is X3, unsteady flow at this time
Amount valve 15 be moved to the state position of two level variable-flow shown in Figure 12, at this time the high-pressure oil in high-voltage oil cavity 6 via pressure release oil into
Hydraulic fluid port 13 → pressure release oil oil outlet 14 returns to low pressure oil pocket 5, and oil pressure reaches equilibrium state at P2.
Two level variable-flow lubricating oil pump provided by the utility model for automobile engine can be such that engine turns in difference
Speed is lower to generate two balance pressure, and as shown in figure 13, compared with traditional lubricating oil pump, engine speed is when R1 is between R4, originally
Utility model lubricating oil pump goes out oil pressure and is significantly lower than traditional lubricating oil pump, the torque consumption drop when reduction of oil pressure makes rotor rotate
It is low, reduce unnecessary energy expenditure, to save engine power.It is oily additionally, due to pressure release is arranged on unsteady flow measuring mechanism 12
Oil outlet 14 is connected with low pressure oil pocket 5, and the machine oil released via pressure release oil oil outlet 14 is returned directly to low pressure oil pocket 5, reduces
Machine oil slows down the aging of lubricating oil pump via the cyclic process of engine main oil gallery.
Two level variable-flow lubricating oil pump its pressure P1 and P2 of the utility model for automobile engine can be by changing spring
The position of 18 coefficient, the length of variable-flow valve 15 and pressure release oil oil outlet 14 adjusts accordingly, to meet different engines
It is required that.
It is above that illustrative explanation only carried out to the utility model, the specific implementation of the utility model not office
It is limited to this.Any insubstantial modifications carried out using the design of the utility model and technical solution, as rotor structure and let out
The arbitrary variation of the structure of oil duct, both is within the protection scope of the present invention.
Claims (7)
1. a kind of two level variable-flow lubricating oil pump for automobile engine, including the pump housing（1）And pump cover（2）, it is characterized in that：It is described
The pump housing（1）It is interior to be equipped with internal rotor（3）, outer rotor（4）, low pressure oil pocket（5）, high-voltage oil cavity（6）And oil outlet（7）；It is described
Internal rotor（3）With the outer rotor（4）Eccentric setting, the internal rotor（3）With the outer rotor（4）Between to form one maximum close
Close cavity volume（8）With a minimum sealed volume chamber（9）, the high-voltage oil cavity（6）With the low pressure oil pocket（5）Between form first
Partition（10）With the second partition（11）, first partition（10）With the maximum sealed volume chamber（8）The position at place is corresponding,
Second partition（11）With the minimum sealed volume chamber（9）The position at place is corresponding；The pump cover（2）Upper setting control hair
Motivation unsteady flow measuring mechanism（12）With machine oil oil inlet（21）；The unsteady flow measuring mechanism includes pressure release oil oil inlet（13）, pressure release oil
Oil outlet（14）, variable-flow valve（15）, spring（18）And blanking cover（19）, the variable-flow valve（15）End face be arranged several into
Hydraulic fluid port（16）With 1 drain pan（17）.
2. a kind of two level variable-flow lubricating oil pump for automobile engine according to claim 1, it is characterized in that：It is described to let out
Pressure oil oil inlet（13）Positioned at the high-voltage oil cavity（6）It is interior.
3. a kind of two level variable-flow lubricating oil pump for automobile engine according to claim 1, it is characterized in that：The change
Flow valve（15）Positioned at the pressure release oil oil inlet（13）Lower part, the variable-flow valve（15）Pass through the spring（18）With institute
State blanking cover（19）It is connected.
4. a kind of two level variable-flow lubricating oil pump for automobile engine according to claim 1, it is characterized in that：It is described to let out
Pressure oil oil outlet（14）It is arranged in the variable-flow valve（15）Side.
5. a kind of two level variable-flow lubricating oil pump for automobile engine according to claim 1, it is characterized in that：In described
Rotor（3）Gear ratio described in outer rotor（4）Few 1 of the number of teeth.
6. a kind of two level variable-flow lubricating oil pump for automobile engine according to claim 1, it is characterized in that：It is described into
Hydraulic fluid port（16）Number be 4.
7. a kind of two level variable-flow lubricating oil pump for automobile engine according to claim 1, it is characterized in that：The pump
Body（1）With the pump cover（2）Between pass through screw（20）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721865045.0U CN207716058U (en) | 2017-12-27 | 2017-12-27 | A kind of two level variable-flow lubricating oil pump for automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721865045.0U CN207716058U (en) | 2017-12-27 | 2017-12-27 | A kind of two level variable-flow lubricating oil pump for automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207716058U true CN207716058U (en) | 2018-08-10 |
Family
ID=63050683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721865045.0U Active CN207716058U (en) | 2017-12-27 | 2017-12-27 | A kind of two level variable-flow lubricating oil pump for automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207716058U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194814A (en) * | 2017-12-27 | 2018-06-22 | 南阳飞龙汽车零部件有限公司 | A kind of two level variable-flow lubricating oil pump for automobile engine |
-
2017
- 2017-12-27 CN CN201721865045.0U patent/CN207716058U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194814A (en) * | 2017-12-27 | 2018-06-22 | 南阳飞龙汽车零部件有限公司 | A kind of two level variable-flow lubricating oil pump for automobile engine |
| CN108194814B (en) * | 2017-12-27 | 2024-04-05 | 南阳飞龙汽车零部件有限公司 | Two-stage variable flow engine oil pump for automobile engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8932033B2 (en) | Supercharger timing gear oil pump | |
| CN201680136U (en) | Oil pump with variable oil discharge quantity | |
| CN101338689B (en) | Car engine air valve variable phase device | |
| CN102052557B (en) | Eccentrically-adjusted variable rotor oil pump | |
| CN109854370A (en) | A kind of variable compression ratio internal combustion engine | |
| CN107514538A (en) | A kind of rotor-type oil pump for reducing noise | |
| CN208734539U (en) | Spiral jaw rotor and vacuum pump with spiral jaw rotor | |
| CN103775811A (en) | Oil pump with variable displacement | |
| CN207716058U (en) | A kind of two level variable-flow lubricating oil pump for automobile engine | |
| CN109630411B (en) | Variable compression ratio supercharger, application and engine regulation and control technology | |
| CN201218200Y (en) | Displacement-variable inner-meshing rotor pump | |
| CN207796021U (en) | A kind of contiuously variable transmission | |
| CN108194814A (en) | A kind of two level variable-flow lubricating oil pump for automobile engine | |
| CN108087264B (en) | Pulse free high-order oval convex wheel pump | |
| CN207230133U (en) | A kind of rotor-type oil pump for reducing noise | |
| CN201284736Y (en) | Flux-variable rotor engine oil pump | |
| CN201896741U (en) | Oil pump of automobile automatic transmission | |
| CN201560844U (en) | Infinitely variable speed engine of motorcycle | |
| CN208431159U (en) | Double acting oil pump | |
| CN112761942A (en) | Pump with adjustable displacement | |
| CN107725135B (en) | Stepless adjusting type variable displacement oil pump | |
| US4493188A (en) | Drive transmission means | |
| CN115111153B (en) | Variable flow oil pump and automobile | |
| CN204805093U (en) | Air compressor | |
| CN205155525U (en) | Light -duty large -traffic oil pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |