CN103527913B - A kind of lubricating oil pump - Google Patents
A kind of lubricating oil pump Download PDFInfo
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- CN103527913B CN103527913B CN201310470255.XA CN201310470255A CN103527913B CN 103527913 B CN103527913 B CN 103527913B CN 201310470255 A CN201310470255 A CN 201310470255A CN 103527913 B CN103527913 B CN 103527913B
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- oil
- pump
- lubricating oil
- oil pump
- lubricating
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Abstract
The open a kind of lubricating oil pump of the present invention, is used for lubricating double-row type electromotor, and described lubricating oil pump includes oil-in, and the first oil-out and the second oil-out；Described first oil-out and described second oil-out are distributed in the both sides of described lubricating oil pump, and correspondence lubricates two row cylinders of described double-row type electromotor respectively.The lubricating oil pump being so designed that, its machine oil pumped out can flow out from two hydraulic fluid ports, thus the two row cylinders for paired engine are lubricated respectively, then a lubricating oil pump can realize the lubrication to paired engine.Compared to background technology, having the following technical effect that: the first, in the limited space of electromotor, a lubricating oil pump is prone to arrange, cost is also minimized, and meets Engine Downsizing growth requirement；The second, two oil-outs of one lubricating oil pump can simultaneously, synchronize to pump out machine oil so that the two row cylinders lubricated have consistent operating mode, thus ensure giving full play to of engine performance.
Description
Technical field
The present invention relates to pump housing technical field, particularly to a kind of lubricating oil pump.
Background technology
Lubricating oil pump can provide the pressure oil with certain pressure, with the friction to each parts of electromotor
Fuel feeding is forced on surface, thus reaches the effect of lubrication.
Existing fuel pump structure be one-in-and-one-out structure, i.e. lubricating oil pump only arrange an import and
One outlet, can meet general engine lubrication demand.And for double-row type electromotor, by
Having two row cylinders in it, the lubricating oil pump of one-in-and-one-out structure can only lubricate string cylinder, therefore double
Row engine needs two lubricating oil pump, is lubricated two row cylinders respectively.
There is following technical problem in this structure:
The first, two lubricating oil pump in the limited space of electromotor, difficult arrangement, cost also phase
To higher；And, along with miniaturization trend, this kind of arrangement can not meet demand；
The second, while two lubricating oil pump are difficult to ensure that lubrication, synchronize to carry out, cause two row gas
The operating mode of cylinder is inconsistent, affects the performance of engine performance.
In view of this, how to make lubricating oil pump successfully be arranged in double-row type electromotor, and realize same
Step lubrication, is those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
For solving above-mentioned technical problem, the purpose of the present invention is for providing a kind of lubricating oil pump, this machine oil
Pump can be saved arrangement space, reduce cost, and ensure that synchronize lubrication double-row type sends out simultaneously
Two row cylinders of motivation.
This lubricating oil pump, is used for lubricating double-row type electromotor, and described lubricating oil pump includes oil-in, with
And first oil-out and the second oil-out；Described first oil-out and described second oil-out distribution
In the both sides of described lubricating oil pump, correspondence lubricates two row cylinders of described double-row type electromotor respectively.
The lubricating oil pump being so designed that, its machine oil pumped out can flow out from two hydraulic fluid ports, thus is double
Two row cylinders of row electromotor are lubricated respectively, then a lubricating oil pump can realize sending out biserial
The lubrication of motivation.Compared to background technology, have the following technical effect that:
The first, in the limited space of electromotor, a lubricating oil pump is prone to arrange, cost is also
To reduce, meet Engine Downsizing growth requirement；
The second, two oil-outs of one lubricating oil pump can simultaneously, synchronize to pump out machine oil so that moistened
Two sliding row cylinders have consistent operating mode, thus ensure giving full play to of engine performance.
Preferably, described lubricating oil pump is internally formed oil suction chamber and goes out oil pocket；Described oil suction chamber and institute
State out oil pocket and be divided into the both sides of described lubricating oil pump；Described oil-in is located at described oil suction chamber；
And, described oil-feed pump is provided with the first flowline and the second flowline:
One end of described first flowline goes out at oil pocket described in being communicated to, and around described machine oil
The pump cover of pump also extends to and described oil suction chamber homonymy, and described first oil-out is located at described first
The other end of flowline；
Described second flowline with described go out oil pocket homonymy, one end of described second flowline
Going out oil pocket described in connection, described second oil-out is located at the other end.
Preferably, described lubricating oil pump be provided with at least two with described go out the pressure limiting valve that connects of oil pocket.
Preferably, described first flowline is all located at by described pressure limiting valve.
Preferably, described first oil-out with in the described second relative described lubricating oil pump of oil-out
Heart line is symmetrical.
Preferably, the surface of the pump cover of described lubricating oil pump is provided with reinforcement.
Preferably, described lubricating oil pump is to have the gear type oil pump of gear chamber, described gear chamber
Inside being provided with driving gear and the driven gear of external toothing, the driven gear shaft of described driven gear sets
There is external shift fork.
Preferably, described external shift fork has the interface being connected with oil transfer pump.
Accompanying drawing explanation
Fig. 1 is the perspective view of a kind of specific embodiment of lubricating oil pump provided by the present invention；
Fig. 2 is the rearview of lubricating oil pump in Fig. 1；
Fig. 3 is the schematic diagram after lubricating oil pump takes off pump cover in Fig. 2；
Fig. 4 is that the A-A of Fig. 2 is to sectional view.
In Fig. 1-4:
11 pump housings, 11a oil suction chamber, 11b go out oil pocket, 111 first flowlines, 111a first go out
Hydraulic fluid port, 112 second flowlines, 112a the second oil-out, 113 oil-ins, 114 external shift forks,
12 pump covers, 121 reinforcements, 13 drive gears, 14 pressure limiting valves, 151 driving gears, 152 driven
Gear, 161 driving gear shafts, 162 driven gear shafts, 17 hexagon-headed bolts, 18 linings, 19
Straight pin
Detailed description of the invention
In order to make those skilled in the art be more fully understood that technical scheme, knot below
The present invention is described in further detail to close the drawings and specific embodiments.
Refer to the three-dimensional knot that Fig. 1, Fig. 1 are a kind of specific embodiment of lubricating oil pump provided by the present invention
Structure schematic diagram.
Lubricating oil pump in this embodiment, is used for lubricating double-row type electromotor, and double-row type starts facility
There are two row cylinders.This lubricating oil pump includes oil-in 113, and the first oil-out 111a and second goes out
Hydraulic fluid port 112a, i.e. this lubricating oil pump are " one enters scene 2 " structure.Machine oil enters machine oil from oil-in 113
In the pump housing 11 of pump, the machine oil pumped out flows out through the first oil-out 111a and the second oil-out 112a.
Two oil-outs of this lubricating oil pump are distributed in the both sides of lubricating oil pump, in order to correspond respectively to biserial
Two row cylinders of formula electromotor, thus connect with the Oil passage of cylinder, then the first oil-out 111a
Can lubricate the string cylinder of electromotor specially, the second oil-out 112a can lubricate electromotor specially
Another row cylinder.
The lubricating oil pump being so designed that, its machine oil pumped out can flow out from two hydraulic fluid ports, thus is double
Two row cylinders of row electromotor are lubricated respectively, then a lubricating oil pump can realize sending out biserial
The lubrication of motivation.Compared to background technology, have the following technical effect that:
The first, in the limited space of electromotor, a lubricating oil pump is prone to arrange, cost is also
To reduce, meet Engine Downsizing growth requirement；
The second, two oil-outs of one lubricating oil pump can simultaneously, synchronize to pump out machine oil so that moistened
Two sliding row cylinders have consistent operating mode, thus ensure giving full play to of engine performance.
Refer to Fig. 2-3, Fig. 2 is the rearview of lubricating oil pump in Fig. 1；Fig. 3 is machine oil pumping in Fig. 2
Schematic diagram after lower pump cover.
The inside of lubricating oil pump can form oil suction chamber 11a and go out oil pocket 11b, and this embodiment is with gear type
Illustrate as a example by lubricating oil pump.As Figure 1-3, lubricating oil pump includes pump cover 12 and the pump housing 11, pump
After lid 12 and the pump housing 11 docking sealing, lubricating oil pump is internally formed airtight cavity, thus is formed airtight
Gear chamber.Driving gear 151 and driven gear 152, the pump of external toothing are installed in gear chamber
Body 11 is provided with driving gear 13, is used for driving driving gear 151 to rotate, and in Fig. 1, drives tooth
Wheel 13 and pump cover 12 are divided into both sides before and after the pump housing 11.In gear chamber, driving gear 151 and from
The side that moving gear 152 progressively disengages forms oil suction chamber 11a, in Fig. 3, driving gear 151 inverse time
When pin rotates, driven gear 152 rotates clockwise, its shown left chamber is oil suction chamber 11a；
Driving gear 151 side progressively engaged with driven gear 152 forms out oil pocket 11b, in Fig. 3
Shown right chamber.
This lubricating oil pump operation principle is: when gear is rotated by direction as shown, the appearance of oil suction chamber 11a
Amass and increase owing to the gear teeth progressively disengage engagement, in oil suction chamber 11a, produce certain vacuum, machine oil
Being inhaled into oil suction chamber 11a from oil sump through oil-in 113, the gear teeth being rotated the most again take to out
Oil pocket 11b.The volume going out oil pocket 11b reduces owing to the gear teeth progress into engagement, makes oil pressure
Power raises, and machine oil is pressed into the Oil passage on engine body through oil-out.
Said engine oil pump, its oil suction chamber 11a and go out oil pocket 11b be divided into lubricating oil pump both sides (Fig. 2,
The arranged on left and right sides of lubricating oil pump in 3).The oil-in 113 of lubricating oil pump is then located at the oil suction chamber of lubricating oil pump
At 11a, i.e. substantially dock with oil suction chamber 11a, it addition, lubricating oil pump is provided with the first flowline 111
With the second flowline 112, the first flowline 111 and the second flowline 112 are integrated in machine oil
On the pump housing 11 of pump, wherein:
Can be in conjunction with Fig. 2,3 understandings, one end of the first flowline 111 is communicated to out at oil pocket 11b,
To introduce going out the machine oil that oil pocket 11b pumps out in the first flowline 111, and at this end,
First flowline 111 is around the pump cover 12 of lubricating oil pump and extends to and oil suction chamber 11a homonymy,
The other end of one flowline 111 is provided with the first oil-out 111a；Visible, the first flowline 111
One end with go out oil pocket 11b homonymy, the other end and oil suction chamber 11a homonymy, and, first is fuel-displaced
The main tube of pipeline 111 partially surrounds pump cover 12, in Fig. 2, and the first main ring of flowline 111
Bottom (corresponding to arranging the part of driven gear 152) around pump cover 12；
And, the second flowline 112 then with go out oil pocket 11b homonymy, the one of the second flowline 112
End is communicated to out oil pocket 11b, and the other end is provided with the second oil-out 112a.So, the first oil-out
111a and the second oil-out 112a then lays respectively at the both sides of lubricating oil pump.
It is so designed that, on the one hand, achieve the first oil-out 111a and the second oil-out simply
112a is divided into the both sides of lubricating oil pump, in order to corresponding with two row cylinder locations；On the other hand, exist
On the premise of realization is set up separately, shorten the length of pipeline as best one can so that whole fuel pump structure
Compact, and the cincture of the first flowline 111 is arranged, and can avoid itself and pump cover 12, driving tooth
Take turns 13 parts such as grade to interfere.
On this basis, the first oil-out 111a and the second oil-out 112a can lubricating oil pump relatively
Centrage is substantially symmetrically distributed, as it is shown on figure 3, a centrage described herein i.e. left side for lubricating oil pump
Vertical dotted line in right centrage, i.e. figure.It is so designed that, when lubricating oil pump is arranged in electromotor,
Two oil-outs with corresponding string cylinder apart from roughly the same, it is simple to realize lubrication docking.
For above-described embodiment, lubricating oil pump can be provided with at least two and go out the pressure limiting that oil pocket 11b connects
Valve 14, as it is shown in figure 1, lubricating oil pump is provided with pressure limiting valve assembly.The function of pressure limiting valve 14 is: ensure
Lubricating oil pump can be operated under normal pressure, when hypertonia in lubricating oil pump, passes through pressure limiting valve
14 lay down part machine oil, and in maintaining lubricating oil pump, pressure is normal；So, it is possible to protection is used for filtering
The oil filter (being connected with lubricating oil pump) of machine oil, when the machine oil of excess pressure passes through oil filtration
The when of device, can damage oil filter, the pressure release effect of pressure limiting valve 14 obviously can protect filtering
Device is from pressure damage.At least two pressure limiting valve 14 is set, can improve pressure limiting effect, and each other
Superfluous She.It addition, the integrated assembly of pressure limiting valve 14, it is simple to install.Certainly, a pressure limiting is only set
Valve 14 is also feasible.
For the set-up mode of above-mentioned flowline, it is fuel-displaced that pressure limiting valve 14 is the most all located at first
At pipeline 111.As it is shown in figure 1, the cincture set-up mode of the first flowline 111 so that it is possess
Certain installing space, is arranged in this by pressure limiting valve 14 (especially during unnecessary two of pressure limiting valve 14),
Easy to implement, install reliable, and do not interfere with miscellaneous part.
Further, in above-described embodiment, the surface of engine oil pump cover 12 can arrange reinforcement 121.
The setting of reinforcement 121 can increase the intensity that lubricating oil pump is overall.
Please continue to refer to the A-A that Fig. 4, Fig. 4 are Fig. 2 to sectional view.
Fig. 4 shows driving gear 151, driven gear 152 and pump cover 12, specifically the connecting of the pump housing 11
Connect mode.The pump housing 11, pump cover 12, can be installed by hexagon-headed bolt 17, then the pump housing 11 and pump
Lid 12 sealing forms airtight pump oilgear room, to ensure the pressure of pump oil, can prevent miscellaneous simultaneously
Matter enters.Understand incorporated by reference to Fig. 2, also set up for installing the location pump housing 11, the cylinder of pump cover 12
Pin 19, straight pin 19 can ensure the pump housing 11 and the axiality of pump cover 12, it is to avoid because of coaxiality deviation
Excessive and damage the gear train (driving gear 151 and driven gear 152) of lubricating oil pump.Driving gear
151 and driven gear 152, respectively by corresponding driving gear shaft 161, driven gear shaft 162
Realizing fixing with the pump housing 11, pump cover 12, driving gear shaft 161 and driven gear shaft 162 are all simultaneously
Be plugged in the pump housing 11 and pump cover 12, now, drive gear 13 can hot charging in driving gear shaft 161,
To drive driving gear 151 to rotate.Driving gear shaft 161 and driven gear shaft 162 and pump cover
12, lining 18 can be set between the pump housing 11, as shown in Figure 4, lining 18 can prevent gear shaft and
There is relative wear in pump cover 12, the pump housing 11, it helps achieve seals.
Now, the driven gear shaft 162 of driven gear 152 can arrange external shift fork 114, the most driven
External shift fork 114 can be driven when gear shaft 162 rotates to rotate, and external shift fork 114 can be with portion to be driven
Part connects, in order to drive parts to be driven to rotate.Be so designed that, external shift fork 114 available from
The energy of movable gear shaft 162 drives miscellaneous part operating, thus makes full use of the energy of lubricating oil pump,
Drop low-energy loss, also save and arrange the space of power part for other parts to be driven,
Simplied system structure.
Specifically, external shift fork 114 can have the interface being connected with oil transfer pump, i.e. with external shift fork
114 parts to be driven connected are oil transfer pump.Oil transfer pump is close with the installation site of lubricating oil pump, from
And make lubricating oil pump conveniently become the actuator of oil transfer pump, save the sky of oil transfer pump drive system
Between.
Above a kind of lubricating oil pump provided by the present invention is described in detail.Used herein
Principle and the embodiment of the present invention are set forth by specific case, saying of above example
Bright method and the core concept thereof being only intended to help to understand the present invention.It should be pointed out that, for this
For the those of ordinary skill of technical field, under the premise without departing from the principles of the invention, also may be used
So that the present invention is carried out some improvement and modification, these improve and modification also falls into right of the present invention
In the protection domain required.
Claims (7)
1. a lubricating oil pump, is used for lubricating double-row type electromotor, it is characterised in that described machine oil
Pump includes oil-in (113), and the first oil-out (111a) and the second oil-out (112a)；
Described first oil-out (111a) and described second oil-out (112a) are distributed in described machine oil
The both sides of pump, correspondence lubricates two row cylinders of described double-row type electromotor respectively；
Described lubricating oil pump be internally formed an oil suction chamber (11a) and one go out oil pocket (11b)；Institute
State oil suction chamber (11a) and described go out oil pocket (11b) be divided into the both sides of described lubricating oil pump；Institute
State oil-in (113) and be located at described oil suction chamber (11a) place；And, described lubricating oil pump is provided with
One flowline (111) and the second flowline (112):
One end of described first flowline (111) goes out oil pocket (11b) place described in being communicated to,
And around the pump cover (12) of described lubricating oil pump and extend to and described oil suction chamber (11a) homonymy,
Described first oil-out (111a) is located at the other end of described first flowline (111)；
Described second flowline (112) with described go out oil pocket (11b) homonymy, described second
Oil pocket (11b), described second oil-out (112a) is gone out described in one end connection of flowline (112)
It is located at the other end.
2. lubricating oil pump as claimed in claim 1, it is characterised in that described lubricating oil pump be provided with to
Few two with described go out the pressure limiting valve (14) that connects of oil pocket (11b).
3. lubricating oil pump as claimed in claim 2, it is characterised in that described pressure limiting valve (14)
All it is located at described first flowline (111).
4. lubricating oil pump as claimed in claim 1, it is characterised in that described first oil-out
(111a) the centrage symmetry with the described relative described lubricating oil pump of second oil-out (112a) is divided
Cloth.
5. the lubricating oil pump as described in any one of claim 1-4, it is characterised in that described machine oil
The surface of the pump cover (12) of pump is provided with reinforcement (121).
6. the lubricating oil pump as described in any one of claim 1-4, it is characterised in that described machine oil
Pump is the gear type oil pump with gear chamber, is provided with the driving tooth of external toothing in described gear chamber
Wheel (151) and driven gear (152), the driven gear shaft (162) of described driven gear (152)
It is provided with external shift fork (114).
7. lubricating oil pump as claimed in claim 6, it is characterised in that described external shift fork (114)
There is the interface being connected with oil transfer pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310470255.XA CN103527913B (en) | 2013-10-10 | 2013-10-10 | A kind of lubricating oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310470255.XA CN103527913B (en) | 2013-10-10 | 2013-10-10 | A kind of lubricating oil pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103527913A CN103527913A (en) | 2014-01-22 |
| CN103527913B true CN103527913B (en) | 2016-08-17 |
Family
ID=49930144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310470255.XA Active CN103527913B (en) | 2013-10-10 | 2013-10-10 | A kind of lubricating oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103527913B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488603A (en) * | 2018-03-16 | 2018-09-04 | 重庆永发工业有限公司 | A kind of motorcycle engine oil pump assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0660000A1 (en) * | 1993-11-30 | 1995-06-28 | Hobourn Automotive Limited | Positive displacement pumps |
| US6640768B1 (en) * | 1999-05-13 | 2003-11-04 | Sanshin Kogyo Kabushiki Kaisha | Lubrication system for direct injected engine |
| CN102818106A (en) * | 2012-08-30 | 2012-12-12 | 浙江平柴泵业有限公司 | One-inlet two-outlet double-connection oil pump |
| CN203517268U (en) * | 2013-10-10 | 2014-04-02 | 潍柴动力股份有限公司 | Oil pump |
-
2013
- 2013-10-10 CN CN201310470255.XA patent/CN103527913B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0660000A1 (en) * | 1993-11-30 | 1995-06-28 | Hobourn Automotive Limited | Positive displacement pumps |
| US6640768B1 (en) * | 1999-05-13 | 2003-11-04 | Sanshin Kogyo Kabushiki Kaisha | Lubrication system for direct injected engine |
| CN102818106A (en) * | 2012-08-30 | 2012-12-12 | 浙江平柴泵业有限公司 | One-inlet two-outlet double-connection oil pump |
| CN203517268U (en) * | 2013-10-10 | 2014-04-02 | 潍柴动力股份有限公司 | Oil pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103527913A (en) | 2014-01-22 |
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