CN107975474A - A kind of three-level lubricating oil pump - Google Patents
A kind of three-level lubricating oil pump Download PDFInfo
- Publication number
- CN107975474A CN107975474A CN201810009608.9A CN201810009608A CN107975474A CN 107975474 A CN107975474 A CN 107975474A CN 201810009608 A CN201810009608 A CN 201810009608A CN 107975474 A CN107975474 A CN 107975474A
- Authority
- CN
- China
- Prior art keywords
- pump
- oil
- auxiliary
- pump body
- main
- 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.)
- Pending
Links
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 27
- 239000003921 oil Substances 0.000 claims abstract description 93
- 239000002828 fuel tank Substances 0.000 claims abstract description 12
- 239000000446 fuel Substances 0.000 claims abstract description 8
- 208000002925 dental caries Diseases 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/18—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The present invention provides a kind of three-level lubricating oil pump, which is integrally made of a main pump and two auxiliary pumps, and two auxiliary pumps are used to the oil in oil sump suck out, fuel feeding to fuel tank, and the main pump is used to the oil in fuel tank suck out, the main oil gallery of fuel feeding to engine；The pump chamber of the main pump and the pump chamber of auxiliary pump are not connected, and the pump chamber of two auxiliary pumps communicates；Lubricating oil pump integrally sets three oil inlets and two oil outlets altogether, and wherein main pump sets an oil inlet and an oil outlet, and two auxiliary pumps respectively set an oil inlet but share an oil outlet.The lubricating oil pump it is compact-sized, safe and reliable, the installation space of oil pump can be reduced and reduce cost.
Description
Technical field
The present invention relates to a kind of structure of engine oil pump of internal combustion engine, particularly a kind of three-level lubricating oil pump.
Background technology
There are the vehicle or mechanical equipment of some specific uses, such as racing car, tank, aircraft, seagoing vessel etc., often in violent
Movement, the state even rolled up and down, the oil fluctuations of such oil sump are very big, and oil pump easily sucks gas mixture or even inhales
Sky, so as to have a significant impact to oil pump performance.In view of the above-mentioned problems, the engine of the prior art employs dry sump knot
Structure, oil sump only collect machine oil, and without storing lubricating oil pump, in addition engine is provided with a fuel tank, the oil that oil sump is collected returns
Oil return box, oil pump is again from fuel tank oil suction, and this addresses the problem the oil suction problem of oil pump.
Since the oil of dry sump needs to be extracted into fuel tank, this just needs to set corresponding oil pump to carry out aspirating oily work
Make.
The content of the invention
The object of the present invention is to provide a kind of three-level lubricating oil pump for dry sump, its is compact-sized, safe and reliable,
The installation space of oil pump can be reduced and reduce cost.
The technical scheme is that：A kind of three-level lubricating oil pump, the lubricating oil pump are overall by a main pump and two auxiliary pump structures
Into two auxiliary pumps are used to the oil in oil sump suck out, fuel feeding to fuel tank, and the main pump is used to the oil in fuel tank suction out
Come, the main oil gallery of fuel feeding to engine；The pump chamber of the main pump and the pump chamber of auxiliary pump are not connected, the pump chamber phase of two auxiliary pumps
It is logical；Lubricating oil pump integrally sets three oil inlets and two oil outlets altogether, and wherein main pump sets an oil inlet and an oil outlet, two
Auxiliary pump respectively sets an oil inlet but shares an oil outlet.
Preferably, both ends of the oil inlet of two auxiliary pumps respectively with oil sump bottom are connected.
In one embodiment, which integrally includes pump cover, main pump body, the first auxiliary pump body, the second auxiliary pump body, and
Through the driving gear shaft and driven gear shaft of three pump housing cavitys；Three driving gears are installed on the driving gear shaft,
Three driven gears are installed, three driving gears and three driven gears form three groups and engage two-by-two on the driven gear shaft
State and respectively in the cavity of three pump housings；The driving gear shaft is by the gear on bent axle by the torque of engine
It is delivered in lubricating oil pump.
Preferably, the main pump body is equipped with main pump oil inlet and main pump oil outlet, and it is secondary that the first auxiliary pump body is equipped with first
Oil inlet is pumped, the second auxiliary pump body is equipped with the second auxiliary pump oil inlet, and the first auxiliary pump body or the second auxiliary pump body are equipped with an auxiliary pump
Oil outlet.
Preferably, it is immovable fitting between three driving gears and the driving gear shaft；In main pump body cavity
Driven gear and the driven gear shaft between be immovable fitting, two in first, second auxiliary pump body cavity are driven
It is clearance fit between gear and the driven gear shaft.
It is that interference is matched somebody with somebody between the driving and driven gear and the driving and driven gear shaft that are preferably located in main pump body cavity
Close, be key connection between two driving gears and the driving gear shaft in first, second auxiliary pump body cavity.
Preferably, the pump cover, main pump body, the first auxiliary pump body and the second auxiliary pump body by four screws be installed as one it is whole
Body.
The beneficial effects of the invention are as follows：
1st, the present invention uses three-level oil pump structure, main pump from fuel tank oil suction, two auxiliary pumps from oil sump oil suction, realize oil sump without
Oiling, main pump oil suction abundance is without air under adverse circumstances.
2nd, two auxiliary pumps ensure oil sump under arbitrary inclination, auxiliary pump can be inhaled respectively from the oil suction of oil sump both ends
To oil, make the oil of oil sump can blot.
3rd, two auxiliary pumps are equipped with independent inlet port, but totally one oil outlet, so not only cost-effective, but also double pump
Pressure lubrication oil, good reliability can be mutually provided.
4th, in preferable technical solution, the driven gears of two auxiliary pumps is rotated synchronously with driven gear shaft, and without key or
Interference connects, and so installs and makes easy to oil pump, cost-effective.
Brief description of the drawings
Fig. 1 is the overall structure exploded perspective view of lubricating oil pump in the embodiment of the present invention；
Fig. 2 is the overall structure diagram of lubricating oil pump in the embodiment of the present invention.
Reference numeral is：
1 --- the first auxiliary pump body of pump cover 2 --- main pump body 3 ---
4 --- the second auxiliary pump body 5 --- driving gear shaft 6 --- driven gear shafts
7 --- driving gear 8 --- driven gear 9 --- screws.
Embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further with reference to embodiment and attached drawing
Bright, the content that embodiment refers to not is limitation of the invention.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are for only for ease of
Description is of the invention to be described with simplified, rather than the device or element of instruction or hint meaning must be with specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.In the description of the present invention, " multiple " are meant that two or two
More than, unless otherwise specifically defined.In the description of the present invention, it is necessary to which explanation, unless otherwise prescribed and limits,
Term " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be mechanical connection or electrical connection or two
Connection inside element, can be directly connected, and can also be indirectly connected by intermediary, for the ordinary skill of this area
For personnel, the concrete meaning of the term can be understood as the case may be.
As shown in Figure 1：A kind of three-level lubricating oil pump, is made of a main pump and two auxiliary pumps, and two auxiliary pumps are used for oily bottom
Oil in shell sucks out, fuel feeding to fuel tank, and the main pump is used to the oil in fuel tank suck out, the main oil of fuel feeding to engine
Road；The pump chamber of the main pump and the pump chamber of auxiliary pump are not connected, and the pump chamber of two auxiliary pumps is interconnected.The lubricating oil pump integrally includes
Pump cover 1, main pump body 2, the first auxiliary pump body 3, the second auxiliary pump body 4, and driving gear shaft 5 through three pump housing cavitys and driven
Gear shaft 6；Three driving gears 7 are installed on the driving gear shaft 5, be provided with the driven gear shaft 6 three it is driven
Gear 8, three driving gears 7 and three driven gears 8 form three groups of states engaged two-by-two and respectively positioned at three pump housings
In cavity；The torque of engine is delivered in lubricating oil pump by the driving gear shaft 5 by the gear on bent axle.
As shown in Fig. 2, the main pump body 2 is equipped with main pump oil inlet 21 and main pump oil outlet 22, the first auxiliary pump body 3 is set
There is the first auxiliary pump oil inlet 3, the second auxiliary pump body 4 is equipped with the second auxiliary pump oil inlet 41, the first auxiliary pump body 3 and the second auxiliary pump body
4 share an auxiliary pump oil outlets 42, the first auxiliary pump oil inlet 3 and the second auxiliary pump oil inlet 41 both ends with oil sump bottom respectively
It is connected, this ensures that oil sump, under arbitrary inclination, auxiliary pump can be drawn onto oil, makes the oil of oil sump can blot.
Auxiliary pump oil outlet 42 is arranged on the second auxiliary pump body 4 by the present embodiment, and those skilled in the art can also incite somebody to action according to actual needs
Auxiliary pump oil outlet 42 is arranged on the first auxiliary pump body 3.Since two auxiliary pumps are equipped with independent inlet port, but totally one it is fuel-displaced
Mouthful, it is so not only cost-effective, and double pump can mutually provide pressure lubrication oil, good reliability.
Preferably, it is immovable fitting between three driving gears 7 and the driving gear shaft 5；Positioned at 2 cavity of main pump body
It is immovable fitting between interior driven gear 8 and the driven gear shaft 6, positioned at 4 cavity of the first auxiliary pump body 3 and the second auxiliary pump body
It is clearance fit between two interior driven gears 8 and the driven gear shaft 6.Due to two auxiliary pumps driven gear with it is driven
Gear shaft rotates synchronously, and is connected without key or interference, so installs and makes easy to oil pump, cost-effective.
It is preferably located between the driving and driven gear 7,8 in 2 cavity of main pump body and the driving and driven gear shaft 5,6
For interference fit, between two driving gears 7 and the driving gear shaft 5 in first, second auxiliary pump body 3,4 cavitys
For key connection.
Preferably, the pump cover 1, main pump body 2, the first auxiliary pump body 3 and the second auxiliary pump body 4 are installed as by four screws 9
One entirety.
Above-described embodiment is the preferable implementation of the present invention, and in addition, the present invention can be realized with other manner,
Any obviously replaced on the premise of not departing from the technical program design within protection scope of the present invention.
In order to allow those of ordinary skill in the art more easily to understand improvements of the present invention relative to the prior art, this
Some attached drawings of invention and description have been simplified, and for the sake of clarity, present specification is omitted some other members
Element, those of ordinary skill in the art should be aware that these elements omitted also may make up present disclosure.
Claims (7)
- A kind of 1. three-level lubricating oil pump, it is characterised in that：The lubricating oil pump is integrally made of a main pump and two auxiliary pumps, two auxiliary pumps For the oil in oil sump to be sucked out, fuel feeding to fuel tank, the main pump is used to the oil in fuel tank suck out, and fuel feeding is to starting The main oil gallery of machine；The pump chamber of the main pump and the pump chamber of auxiliary pump are not connected, and the pump chamber of two auxiliary pumps communicates；Lubricating oil pump is integrally common If three oil inlets and two oil outlets, wherein main pump set an oil inlet and an oil outlet, two auxiliary pumps respectively set one into Hydraulic fluid port but a shared oil outlet.
- 2. three-level lubricating oil pump according to claim 1, it is characterised in that：The oil inlet of two auxiliary pumps respectively with oil sump bottom The both ends connection in portion.
- 3. three-level lubricating oil pump according to claim 1 or 2, it is characterised in that：Including pump cover（1）, main pump body（2）, first Auxiliary pump body（3）, the second auxiliary pump body（4）, and the driving gear shaft through three pump housing cavitys（5）And driven gear shaft（6）；Institute State driving gear shaft（5）On three driving gears are installed（7）, three driven gears are installed on the driven gear shaft（8）, Three driving gears（7）With three driven gears（8）Form three groups of states engaged two-by-two and respectively positioned at the sky of three pump housings Intracavitary；The driving gear shaft（5）The torque of engine is delivered in lubricating oil pump by the gear on bent axle.
- 4. three-level lubricating oil pump according to claim 3, it is characterised in that：The main pump body（2）Equipped with main pump oil inlet （21）With main pump oil outlet（22）, the first auxiliary pump body（3）Equipped with the first auxiliary pump oil inlet（31）, the second auxiliary pump body（4）If There is the second auxiliary pump oil inlet（41）, the first auxiliary pump body（3）Or the second auxiliary pump body（4）Equipped with an auxiliary pump oil outlet（42）.
- 5. three-level lubricating oil pump according to claim 3, it is characterised in that：Three driving gears（7）With the driving gear Axis（5）Between be immovable fitting；Positioned at main pump body（2）Driven gear in cavity（8）With the driven gear shaft（6）Between For immovable fitting, positioned at first, second auxiliary pump body（3,4）Two driven gears in cavity（8）With the driven gear shaft（6） Between be clearance fit.
- 6. three-level lubricating oil pump according to claim 5, it is characterised in that：Positioned at main pump body（2）Master and slave moving teeth in cavity Wheel（7,8）With the driving and driven gear shaft（5,6）Between be interference fit, positioned at first, second auxiliary pump body（3,4）Cavity Two interior driving gears（7）With the driving gear shaft（5）Between be key connection.
- 7. three-level lubricating oil pump according to claim 3, it is characterised in that：The pump cover（1）, main pump body（2）, the first auxiliary pump Body（3）With the second auxiliary pump body（4）Pass through four screws（9）It is installed as an entirety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810009608.9A CN107975474A (en) | 2018-01-05 | 2018-01-05 | A kind of three-level lubricating oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810009608.9A CN107975474A (en) | 2018-01-05 | 2018-01-05 | A kind of three-level lubricating oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107975474A true CN107975474A (en) | 2018-05-01 |
Family
ID=62005863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810009608.9A Pending CN107975474A (en) | 2018-01-05 | 2018-01-05 | A kind of three-level lubricating oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107975474A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017275A (en) * | 2019-04-12 | 2019-07-16 | 桐庐海普机电设备有限公司 | A kind of gear pump and its working method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202811347U (en) * | 2012-09-26 | 2013-03-20 | 杭州萧山东方液压件有限公司 | Double gear pump for engineering machinery |
| CN104235012A (en) * | 2014-08-29 | 2014-12-24 | 西北工业大学 | Multi-joint variable-flow aerial gear oil pump |
| CN104405469A (en) * | 2014-10-20 | 2015-03-11 | 奇瑞汽车股份有限公司 | Engine oil pump and engine lubrication system thereof |
| CN204534081U (en) * | 2015-03-27 | 2015-08-05 | 南京腾源机械制造有限公司 | Combined shunting dividing potential drop oil pump |
| CN207728555U (en) * | 2018-01-05 | 2018-08-14 | 湖南机油泵股份有限公司 | A kind of three-level lubricating oil pump |
-
2018
- 2018-01-05 CN CN201810009608.9A patent/CN107975474A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202811347U (en) * | 2012-09-26 | 2013-03-20 | 杭州萧山东方液压件有限公司 | Double gear pump for engineering machinery |
| CN104235012A (en) * | 2014-08-29 | 2014-12-24 | 西北工业大学 | Multi-joint variable-flow aerial gear oil pump |
| CN104405469A (en) * | 2014-10-20 | 2015-03-11 | 奇瑞汽车股份有限公司 | Engine oil pump and engine lubrication system thereof |
| CN204534081U (en) * | 2015-03-27 | 2015-08-05 | 南京腾源机械制造有限公司 | Combined shunting dividing potential drop oil pump |
| CN207728555U (en) * | 2018-01-05 | 2018-08-14 | 湖南机油泵股份有限公司 | A kind of three-level lubricating oil pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017275A (en) * | 2019-04-12 | 2019-07-16 | 桐庐海普机电设备有限公司 | A kind of gear pump and its working method |
| CN110017275B (en) * | 2019-04-12 | 2024-05-24 | 桐庐海普机电设备有限公司 | Gear pump and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180501 |