CN103423575B - A kind of gear type oil pump - Google Patents
A kind of gear type oil pump Download PDFInfo
- Publication number
- CN103423575B CN103423575B CN201310367168.1A CN201310367168A CN103423575B CN 103423575 B CN103423575 B CN 103423575B CN 201310367168 A CN201310367168 A CN 201310367168A CN 103423575 B CN103423575 B CN 103423575B
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- CN
- China
- Prior art keywords
- gear
- pump
- housing
- driving gear
- type 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.)
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- 239000003921 oil Substances 0.000 claims abstract description 59
- 239000010687 lubricating oil Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010721 machine oil Substances 0.000 abstract description 17
- 230000035939 shock Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The invention discloses a kind of gear type oil pump, including the pump housing, pump cover, driving gear, driving shaft, driven gear, driven shaft and drive the driving gear that described driving gear rotates, described pump cover is provided with flange on the end face away from the described pump housing；Also include housing, described housing is fastened on described flange, form the die cavity for housing described driving gear with described flange, described flange offers the first breach for driving the chain of gear to pass, described housing offers the second breach of the wheel hub of accommodating described driving gear.Machine oil in driving gear and oil sump is kept apart by the die cavity in the present invention, has evaded the mutually shock of the machine oil in driving gear and oil sump to a great extent, has rubbed, so that it is guaranteed that the normal operation of electromotor, the service life of prolongation electromotor.
Description
Technical field
The present invention relates to technical field of engines, more particularly, it relates to a kind of gear type machine oil
Pump.
Background technology
Lubricating oil pump is the critical component of electromotor, plays certainly in the lubricating system of whole electromotor
Act on qualitatively.Its function is to provide certain oil mass and pressure for lubricating system, makes lube system
Unite and force fuel feeding to in-engine friction surface, it is ensured that allow each friction pair fully be moistened
Sliding, it is ensured that electromotor can be properly functioning under various operating modes.
Gear type gear type oil pump generally include the pump housing, pump cover, driving shaft, driving gear,
Driven shaft, driven gear and driving gear.Pump cover is fastened on the pump housing, forms gear type machine
The working chamber of oil pump, this working chamber is included into oil pocket and goes out oil pocket.Driving shaft be arranged on the pump housing and
In driving shaft installing hole on pump cover, the driven shaft that driven shaft is arranged on the pump housing and pump cover is installed
In hole, driving gear and driving gear are connected on driving shaft, and driven gear is connected to driven shaft
On.Bent axle drives gear to rotate by chain-driving.Mutually nibble at driving gear and driven gear
During conjunction, machine oil enters into out oil pocket from oil suction chamber, then into main oil gallery, from master
Oil duct is flowed into each friction pair.
Some gear type oil pumps are fixed in oil sump, when driving high-speed gear to rotate, drive
Moving gear mutually clashes into the machine oil in oil sump, rub, produces a large amount of bubble.Therefore can shadow
Ringing the accuracy of main oil gallery pressure, cause the machine oil air content in oil sump the highest, impact is started
The normal operation of machine, reduces the service life of electromotor.
Therefore, how to design a kind of gear type oil pump, this gear type oil pump can be advised as far as possible
Keep away the mutually shock of machine oil in driving gear and oil sump, friction, so that it is guaranteed that electromotor
Run well, extend the service life of electromotor, be those skilled in the art passes urgently to be resolved hurrily
Key problem.
Summary of the invention
It is an object of the invention to provide a kind of gear type oil pump, this gear type oil pump can be use up
Gauge is kept away and is driven the mutually shock of gear and oil sump inner engine oil, friction, so that it is guaranteed that electromotor
Normal operation, extend electromotor service life.
For reaching above-mentioned purpose, the present invention provides techniques below scheme:
A kind of gear type oil pump, including the pump housing, pump cover, driving gear, driving shaft, driven
Gear, driven shaft and drive the driving gear that described driving gear rotates, described pump cover away from
It is provided with flange on the end face of the described pump housing；
Also include that housing, described housing are fastened on described flange, formed with described flange and be used for
The die cavity of accommodating described driving gear,
The first breach for driving the chain of gear to pass is offered on described flange,
The second breach of the wheel hub of accommodating described driving gear is offered on described housing；Described convex
The bottom of edge offers the oil leak hole discharged by the lubricating oil in described die cavity.Preferably, described
The material of the pump housing and pump cover is aluminium alloy, and the described pump housing and pump cover form through high-pressure casting.
Preferably, described driving gear and described driving gear hot jacket coordinate at described driving shaft
On, described driven gear hot jacket coordinates on described driven shaft.
Preferably, described housing is connected on described pump cover by the first bolt.
Preferably, described first bolt includes two groups, and this two group of first bolt is about described second
The centrage of breach is arranged symmetrically with, and each group includes two arranged along the edge of described housing.
Preferably, the described pump housing is connected to the bottom of cylinder body by the second bolt.
Preferably, the bolt hole that described second bolt is corresponding is provided with positioning sleeve.
From technique scheme it can be seen that the gear type oil pump the present invention is provided with lid
Cover, housing is fastened on the flange of pump cover, is formed for the accommodating die cavity driving gear with flange,
Machine oil in driving gear and oil sump is kept apart by so die cavity, evades to a great extent
Drive the mutually shock of machine oil in gear and oil sump, friction, so that it is guaranteed that electromotor is just
Often operating, extends the service life of electromotor.
Accompanying drawing explanation
For the scheme being illustrated more clearly that in the embodiment of the present invention, below will be to embodiment or institute
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only
It is some embodiments of the present invention, for those skilled in the art, is not paying creativeness
On the premise of work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the gear type oil pump that Fig. 1 provides for the present invention one specific embodiment.
Wherein, 1 for housing, 11 be the second breach, 2 be the first bolt, 3 for drive gear,
4 it is pump cover, 41 is flange, 5 is oil leak hole, 6 is the 3rd bolt, 7 is driving shaft, 8 is
Driving gear, 9 for driven shaft, 10 for driven gear, 14 be the second bolt, 12 for positioning sleeve,
13 is the pump housing.
Detailed description of the invention
The invention discloses a kind of gear type oil pump, this gear type oil pump can be evaded as far as possible
Drive the mutually shock of machine oil in gear and oil sump, friction, so that it is guaranteed that electromotor is just
Often operating, extends the service life of electromotor.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical side in the embodiment of the present invention
Case is clearly and completely described, it is clear that described embodiment is only the one of the present invention
Section Example rather than whole embodiments.Based on embodiments of the invention, this area is general
All other that logical technical staff is obtained on the premise of not making creative work is implemented
Example, broadly falls into the scope of protection of the invention.
Refer to the gear type oil pump that Fig. 1, Fig. 1 provide for the present invention one specific embodiment
Structural representation.
In the present invention one specific embodiment, gear type oil pump include the pump housing 13, pump cover 4,
Driving gear 8, driving shaft 7, driven gear 10, driven shaft 9, driving gear 3, also include
Housing 1.
Wherein, driving shaft 7 is arranged in the driving shaft installing hole on pump cover 1 and the pump housing 13,
Driven shaft 9 is arranged in the driven shaft installing hole on pump cover 4 and the pump housing 13.Pump cover 4 is fastened on
On the pump housing 13, and it is connected with the pump housing 13, between pump cover 4 and the pump housing 13 by the 3rd bolt 6
Define the working chamber of gear type oil pump, oil suction chamber and go out oil pocket and be positioned at working chamber.Actively
Gear 8 and driving gear 3 are connected on driving shaft 7, and driven gear 10 is connected to driven shaft 9
On.Driving gear 8 and driven gear 10 are positioned at working chamber.In-engine bent axle passes through chain
Bar drives and drives gear 3 to rotate, and drives gear 3 to drive driving gear 8 to rotate, driving gear
8 and driven gear 10 engage each other, make the machine oil in oil suction chamber be flowed into fuel-displaced intracavity.
Pump cover 4 is provided with flange 41 on the end face away from the pump housing 13, housing 1 is fastened on pump cover
Formed for the accommodating die cavity driving gear 3 with this flange 41 after on the flange 41 of 4.Further,
Offer the first breach for driving the chain of gear 3 to pass on flange 41, housing 1 is offered
There is the second breach 11 of the accommodating wheel hub driving gear 3.
In this embodiment, owing to driving gear 3 to be positioned at die cavity, with the machine oil in oil sump
Separately, so having evaded to a great extent and having driven the mutual of gear 3 and the machine oil in oil sump
Clash into, rub, ensure that the normal operation of electromotor, extend the use longevity of electromotor
Life.
During gear type oil pump works, the machine oil in oil sump may enter into lid
In the die cavity that cover 1 and pump cover 4 are formed, stir in order to avoid being positioned at the driving gear 3 of die cavity
Machine oil in die cavity, and then produce bubble, the present embodiment has offered draining in the bottom of flange 41
Hole 5, entering the machine oil in die cavity can be back in oil sump by oil leak hole 5.
In common gear type oil pump, driving shaft installing hole and the installation of driving shaft 7 is installed
It is provided with lining in the driven shaft installing hole of driven shaft 9, thus avoids the mill between axle and hole
Damage.In the present invention one specific embodiment, the material of the pump housing 13 and pump cover 4 is aluminium alloy,
And the pump housing 13 and pump cover 4 form through high-pressure casting.Aluminium alloy wear-proof performance is higher, thus
Lining need not be installed, thus simplify installation, and alleviate the weight of gear type oil pump.
In the present invention one specific embodiment, driving gear 8 and driving gear 3 hot jacket are matched with
On driving shaft 7, driven gear 10 hot jacket is matched with on driven shaft 9.This embodiment has abandoned biography
The mode that the flat key of system connects, decreases processing technique, simplifies installation.
In the present invention one specific embodiment, housing 1 is connected to pump cover 4 by the first bolt 2
On.First bolt 2 includes two groups, these the two groups centers about the second breach 11 on housing 1
Line is arranged symmetrically with, and each group includes two arranged along the edge of housing 1.
In the present invention one specific embodiment, the pump housing 13 is connected to cylinder body by the second bolt 14
Bottom, and be provided with positioning sleeve 12 on the bolt hole corresponding with the second bolt 14.Solid
During Dingan County's installation oil pump, lubricating oil pump is played the role of positioning by positioning sleeve 12, it is simple to make lubricating oil pump correct
Installation puts in place, so that it is guaranteed that the normal operation of lubricating oil pump.Traditional gear type oil pump installation side
Formula is to be connected on the side of cylinder body by gear type oil pump, and the present embodiment is by gear type machine oil
Pump is arranged on the bottom of cylinder body, which saves the inner space of electromotor, makes whole electromotor
Structure is compacter.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of
Or the use present invention.Those skilled in the art are come by the multiple amendment to these embodiments
Saying and will be apparent from, generic principles defined herein can be without departing from the present invention's
In the case of spirit or scope, realize in other embodiments.Therefore, the present invention will not be by
It is limited to the embodiments shown herein, and is to fit to and principles disclosed herein and new
The widest scope that grain husk feature is consistent.
Claims (7)
1. a gear type oil pump, including the pump housing (13), pump cover (4), driving gear (8),
Driving shaft (7), driven gear (10), driven shaft (9) and drive described driving gear (8)
The driving gear (3) rotated, it is characterised in that
Described pump cover (4) is provided with flange (41) on the end face away from the described pump housing (13)；
Also include that housing (1), described housing (1) are fastened on described flange (41), with
Described flange (41) is formed and is used for housing the die cavity of described driving gear (3),
Offer supply the chain of driving gear (3) to pass first on described flange (41) to lack
Mouthful,
Offer on described housing (1) accommodating described driving gear (3) wheel hub second lack
Mouth (11)；The bottom of described flange (41) offers the lubricating oil discharge in described die cavity
Oil leak hole (5).
Gear type oil pump the most according to claim 1, it is characterised in that described pump
The material of body (13) and pump cover (4) is aluminium alloy, the described pump housing (13) and pump cover (4)
Form through high-pressure casting.
Gear type oil pump the most according to claim 1, it is characterised in that described master
Moving gear (8) and described driving gear (3) hot jacket coordinate on described driving shaft (7), institute
State driven gear (10) hot jacket to coordinate on described driven shaft (9).
Gear type oil pump the most according to claim 1, it is characterised in that described lid
Cover (1) is connected on described pump cover (4) by the first bolt (2).
Gear type oil pump the most according to claim 4, it is characterised in that described
One bolt (2) includes two groups, and this two group of first bolt (2) is about described first breach (11)
Centrage be arranged symmetrically with, each group include along described housing (1) edge arrange two.
Gear type oil pump the most according to claim 1, it is characterised in that described pump
Body (13) is connected to the bottom of cylinder body by the second bolt (14).
Gear type oil pump the most according to claim 6, it is characterised in that described
It is provided with positioning sleeve (12) on the bolt hole that two bolts (14) are corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310367168.1A CN103423575B (en) | 2013-08-21 | 2013-08-21 | A kind of gear type oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310367168.1A CN103423575B (en) | 2013-08-21 | 2013-08-21 | A kind of gear type oil pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103423575A CN103423575A (en) | 2013-12-04 |
| CN103423575B true CN103423575B (en) | 2016-08-10 |
Family
ID=49648729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310367168.1A Active CN103423575B (en) | 2013-08-21 | 2013-08-21 | A kind of gear type oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103423575B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3052489B1 (en) * | 2016-06-13 | 2020-01-10 | Peugeot Citroen Automobiles Sa | MOTOR VEHICLE ENGINE LUBRICATION SYSTEM |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2716546Y (en) * | 2003-05-17 | 2005-08-10 | 钱江集团有限公司 | Lubricating pump with power take off mechanism |
| CN101078360A (en) * | 2006-05-25 | 2007-11-28 | 光阳工业股份有限公司 | Motorcycle engine oil pump |
| CN101482112A (en) * | 2008-01-10 | 2009-07-15 | 罗伯特·博世有限公司 | Pumping unit |
| CN101806234A (en) * | 2010-03-18 | 2010-08-18 | 奇瑞汽车股份有限公司 | Oil pump cover |
| CN203477847U (en) * | 2013-08-21 | 2014-03-12 | 安徽华菱汽车有限公司 | Gear type engine oil pump |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10159087C2 (en) * | 2001-12-01 | 2003-11-13 | Porsche Ag | Internal combustion engine |
| JP4464233B2 (en) * | 2004-09-21 | 2010-05-19 | ジヤトコ株式会社 | Oil splitting structure in automatic transmission |
-
2013
- 2013-08-21 CN CN201310367168.1A patent/CN103423575B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2716546Y (en) * | 2003-05-17 | 2005-08-10 | 钱江集团有限公司 | Lubricating pump with power take off mechanism |
| CN101078360A (en) * | 2006-05-25 | 2007-11-28 | 光阳工业股份有限公司 | Motorcycle engine oil pump |
| CN101482112A (en) * | 2008-01-10 | 2009-07-15 | 罗伯特·博世有限公司 | Pumping unit |
| CN101806234A (en) * | 2010-03-18 | 2010-08-18 | 奇瑞汽车股份有限公司 | Oil pump cover |
| CN203477847U (en) * | 2013-08-21 | 2014-03-12 | 安徽华菱汽车有限公司 | Gear type engine oil pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103423575A (en) | 2013-12-04 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231114 Address after: 243071 No. 359 Huxinan Road, Economic and Technological Development Zone, Ma'anshan City, Anhui Province Patentee after: Anhui Hanma Engine Co.,Ltd. Address before: No.359, huxinan Road, Maanshan economic and Technological Development Zone, Anhui Province 243061 Patentee before: ANHUI HUALING AUTOMOBILE Co.,Ltd. |