CN104612780B - Can pressure release type engine oil supplying assembly - Google Patents
Can pressure release type engine oil supplying assembly Download PDFInfo
- Publication number
- CN104612780B CN104612780B CN201410766465.8A CN201410766465A CN104612780B CN 104612780 B CN104612780 B CN 104612780B CN 201410766465 A CN201410766465 A CN 201410766465A CN 104612780 B CN104612780 B CN 104612780B
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- China
- Prior art keywords
- oil pump
- pressure release
- relief valve
- cover plate
- type engine
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Classifications
-
- 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
- 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
- F01M1/16—Controlling lubricant pressure or quantity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N13/00—Lubricating-pumps
- F16N13/20—Rotary pumps
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Rotary Pumps (AREA)
Abstract
Can pressure release type engine oil supplying assembly the invention discloses one kind, including lubricating oil pump and pressure release valve module, lubricating oil pump includes the oil pump casing with pressure release hydraulic fluid port and the oil pump cover plate for sealing oil pump casing inner cavity, pressure release valve module includes the relief valve core being arranged between oil pump cover plate and pressure release hydraulic fluid port, therefore, oil pump cover plate is on the premise of lubricating oil pump leakproofness is ensured, relief valve installation is taken into account at the same time, it is multi-purpose so as to reach one, relief valve layout is set to improve engine structure compactedness in less spatial dimension at the same time.
Description
Technical field
The present invention relates to lubricating oil pump field, and being specifically one kind can pressure release type engine oil supplying assembly.
Background technology
Lubricating oil pump is the important composition component of engine lubrication system, after machine oil is brought up to certain pressure,
Forcibly it is sent on the moving surface of each part of engine, the installation of lubricating oil pump, is usually adopted in available engine lubricating system
Oil pump cover board and oil pump case are tightened by bolts, lubricating oil pump is sealed by sealing rubber ring or paper washer therebetween, oil
The effect of pump closure is only that the sealing reliability for ensureing oil pump, and relief valve need to individually take measures to install in lubricating system,
Cause that lubricating system amount of parts is more and installation procedure is complicated, add the manufacturing cost of engine.
Therefore, be solve problem above, it is necessary to which one kind makes oil pump cover plate on the premise of lubricating oil pump leakproofness is ensured, together
When take into account relief valve installation so that reach one it is multi-purpose, while make relief valve layout raising started in less spatial dimension
Machine structural compactness, finally simplify assembly technology, save product cost can pressure release type engine oil supplying assembly.
The content of the invention
In view of this, the purpose of the present invention is overcoming in the prior art the defects of, there is provided one kind is protecting oil pump cover plate
On the premise of demonstrate,proving lubricating oil pump leakproofness, while relief valve installation is taken into account, used so as to reach one, while relief valve layout is existed
In less spatial dimension, improve engine structure compactedness, finally simplify assembly technology, save product cost can pressure release type
Engine oil supplying assembly.
The present invention can pressure release type engine oil supplying assembly, including lubricating oil pump and pressure release valve module, lubricating oil pump, which includes having, lets out
The oil pump casing of press oil port and the oil pump cover plate for sealing oil pump casing inner cavity, pressure release valve module include being arranged at machine
Relief valve core between oil pump cover board and pressure release hydraulic fluid port, is additionally provided with the pump oil such as rotor component in oil pump casing and passes through machine
Oil pump cover board should be equipped with sealing ring by its closure of openings, between oil pump cover plate and oil pump casing to improve its sealing performance,
Oil inlet, oil outlet and pressure release hydraulic fluid port, the relief valve core connected with its inner cavity should be equipped with oil pump casing and is arranged at machine
Between oil pump cover board and pressure release hydraulic fluid port, pressure releasing valve core can use the valve core structure of existing relief valve, and be resiliently attached to machine
On oil pump cover cover board, therefore, oil pump cover plate also serves as relief valve installation base on the premise of lubricating oil pump leakproofness is ensured
Seat, uses so as to reach one, while relief valve layout is improved engine structure compactedness in less spatial dimension,
The installation to relief valve is completed while oil pump cover plate is assembled, finally simplifies assembly technology, save product cost；
Further, the oil pump casing side wall is equipped with the pressure release valve housing for being used for installing relief valve core, the pressure release
Valve housing is used to accommodate relief valve core, and then keeps its mounting structure, when relief valve be turned on and off action, draws
Guide valve core slides in the pressure release valve housing；
The present invention can pressure release type engine oil supplying assembly further include crankcase cover, oil pump casing is arranged in crankcase cover
Surface and crankcase cover side wall are equipped with the machine oil outlet of connection oil pump casing inner cavity, oil pump casing and crankcase cover one into
Type, so as to further reduce engine component quantity, and simplifies assembly technology, machine oil outlet and and machine oil on crankcase cover
The oil outlet connection of pump case, makes pressure oil slave oil export that pressure oil to be delivered to the machine oil import of cylinder body by oil pipe；
Further, the spool includes the relief valve steel ball for closing pressure release hydraulic fluid port and is arranged at the steel ball and machine oil
Spring between pump closure, when oil pressure is less than setting value in lubricating oil pump, steel ball is under the action of spring power by pressure release oil
Mouth sealing, after lubricating oil pump energy oil pressure is more than setting value, relief valve steel ball will overcome the elastic force of spring, and pressure release hydraulic fluid port is opened,
Machine oil is set to be flowed out out of oil pump casing, so as to reduce engine oil pressure；
Further, the pressure release valve housing includes the arc groove for being arranged at oil pump casing lateral wall, the relief valve
Spool is arranged between the arc groove and crankcase cover madial wall, and spool can use the steel ball coordinated with the arc groove, the circular arc
The passage for accommodating spool is formed between groove and crankcase cover inner wall, therefore, first spool can be installed before oil pump cover plate is assembled
In the passage, in fixed oil pump cover plate, the assembling of relief valve is realized；
Further, the oil pump cover plate radially extends to form spring base for disc and the oil pump cover plate, the bullet
Spring abutment can be equipped with the annular groove for fixed spring, ensure the rigging position of spring, oil pump cover plate is being ensured to machine oil pump case
While body is sealed, the function of spring installation position is taken into account, and then realizes a multi-purpose purpose；
Further, the lubricating oil pump further includes internal rotor, outer rotor and machine oil pump shaft, and the internal rotor and outer rotor are all provided with
It is placed in oil pump casing and the internal rotor is sequentially connected with machine oil pump shaft, internal rotor is fixed on armature spindle with key or pin
On, directly or indirectly driven by crankshaft toothed wheel, internal rotor and outer rotor center have certain eccentricity, and internal rotor drives outer rotor
Rotate in the same direction together so as to fulfill pump oil, rotor-type oil pump has compact-sized, and appearance and size is small, light-weight, inhales
The advantages of oily vacuum is larger, and pump oil amount is big, and fuel feeding uniformity is good；
Further, the machine oil pump shaft is fixed with drive pin and is sequentially connected by the drive pin and internal rotor, interior turn
Sub- end face is equipped with the cotter way coordinated with drive pin, and existing drive pin is usually matched somebody with somebody between the pin hole on machine oil pump shaft for slip
Close, drive pin can be smoothly inserted into pin hole during in order to assemble, but in the assembling process of internal rotor, drive pin is easily from pin hole
Middle abjection, brings inconvenience to installation, therefore, drive pin and machine oil pump shaft is made of one, the risk that drive pin can be avoided to come off；
Further, the machine oil pump shaft is radially equipped with pin hole, and drive pin is arranged in the pin hole and between pin hole
Interference fit is formed, the assembling of machine oil pump shaft and drive pin can be completed before lubricating oil pump is assembled, is ensured between drive pin and pin hole
It is relatively fixed, turning timing in lubricating oil pump to avoid drive pin comes off；
Further, the machine oil pump shaft is sequentially connected with the oil pump gear oil pump gear and can be led to by engine crankshaft
Gear train driving is crossed, so that driving machine operation of oil pump.
The beneficial effects of the invention are as follows：The present invention can pressure release type engine oil supplying assembly, relief valve core is arranged at machine oil
Between pump closure and pressure release hydraulic fluid port, pressure releasing valve core can use the valve core structure of existing relief valve, and be resiliently attached to machine oil
On pump cover cover board, therefore, oil pump cover plate also serves as relief valve installation pedestal on the premise of lubricating oil pump leakproofness is ensured,
It is multi-purpose so as to reach one, relief valve layout engine structure compactedness is improved, in assembly machine in less spatial dimension
The installation to relief valve is completed while oil pump cover board, finally simplifies assembly technology, save product cost.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the machine oil pump shaft of the present invention and the assembling schematic diagram of internal rotor.
Embodiment
Fig. 1 is the structural representation of the present invention, as shown in the figure, the present embodiment can pressure release type engine oil supplying assembly, including machine
Oil pump and pressure release valve module, lubricating oil pump include the oil pump casing 2 with pressure release hydraulic fluid port and for sealing 2 inner cavity of oil pump casing
Oil pump cover plate 10, pressure release valve module includes being arranged at relief valve core between oil pump cover plate 10 and pressure release hydraulic fluid port, machine
The pump oil such as rotor component is additionally provided with oil pump case 2 and by oil pump cover plate 10 by its closure of openings, oil pump cover plate 10
Sealing ring 9 should be equipped between oil pump casing 2 to improve its sealing performance, should be equipped with oil pump casing 2 and connect with its inner cavity
Logical oil inlet, oil outlet and pressure release hydraulic fluid port, relief valve core are arranged between oil pump cover plate 10 and pressure release hydraulic fluid port, pressure release
Spool can use the valve core structure of existing relief valve, and be resiliently attached on oil pump cover cover board, therefore, oil pump cover plate
10 on the premise of lubricating oil pump leakproofness is ensured, while also serves as relief valve installation pedestal, is used so as to reach one, while make to let out
Pressure valve is laid out in less spatial dimension, is improved engine structure compactedness, is completed while oil pump cover plate 10 are assembled
Installation to relief valve, finally simplifies assembly technology, saves product cost.
In the present embodiment, 2 side wall of oil pump casing is equipped with the pressure release valve housing 3 for being used for installing relief valve core,
The pressure release valve housing 3 is used to accommodate relief valve core, and then keeps its mounting structure, when relief valve carries out being turned on and off moving
When making, guide spool slides in the pressure release valve housing 3.
In this present embodiment can pressure release type engine oil supplying assembly further include crankcase cover 1, oil pump casing 2 is arranged at song
1 inner surface of axle box cover and 1 side wall of crankcase cover are equipped with the machine oil outlet of 2 inner cavity of connection oil pump casing, oil pump casing 2 and song
Axle box cover 1 is integrally formed, so as to further reduce engine component quantity, and simplifies assembly technology, the machine on crankcase cover 1
Oil export with and the oil outlet of oil pump casing 2 connect, make pressure oil slave oil export that pressure oil are delivered to cylinder by oil pipe
The machine oil import of body.
In the present embodiment, the pressure release valve housing 3 includes the arc groove for being arranged at 2 lateral wall of oil pump casing, described
Relief valve core is arranged between 1 madial wall of the arc groove and crankcase cover, and spool can use the steel ball coordinated with the arc groove
4, the passage for accommodating spool is formed between 1 inner wall of the arc groove and crankcase cover, therefore, can be first before oil pump cover plate 10 is assembled
By spool installation with the passage, in fixed oil pump cover plate 10, realizing the assembling of relief valve.
In the present embodiment, the spool includes the relief valve steel ball 4 for closing pressure release hydraulic fluid port and is arranged at the steel ball 4
Spring 5 between oil pump cover plate 10, when oil pressure is less than setting value in lubricating oil pump, effect of the steel ball 4 in 5 elastic force of spring
Lower to seal pressure release hydraulic fluid port, after lubricating oil pump energy oil pressure is more than setting value, relief valve steel ball 4 will overcome the elastic force of spring 5, let out
Press oil port is opened, and makes machine oil outflow out of oil pump casing 2, so as to reduce engine oil pressure.
In the present embodiment, the oil pump cover plate 10 radially extends to form spring for disc and the oil pump cover plate 10
Seat 11, the spring base 11 can be equipped with the annular groove for fixed spring 5, ensure the rigging position of spring 5, oil pump cover plate 10 is existed
While guarantee seals oil pump casing 2, the function of 5 installation position of spring is taken into account, and then realize a multi-purpose purpose.
In the present embodiment, the lubricating oil pump further includes internal rotor 7, outer rotor 8 and machine oil pump shaft 6, the internal rotor 7 and outer
Rotor 8 may be contained within oil pump casing 2 and the internal rotor 7 is sequentially connected with machine oil pump shaft 6, internal rotor 7 key or pin
It is fixed on armature spindle, is directly or indirectly driven by crankshaft toothed wheel, internal rotor 7 and 8 center of outer rotor has certain eccentricity, interior
Rotor 7 drives outer rotor 8 to rotate in the same direction together has compact-sized, shape so as to fulfill pump oil, rotor-type oil pump
The advantages of size is small, light-weight, and oil suction vacuum is larger, and pump oil amount is big, and fuel feeding uniformity is good.
In the present embodiment, the machine oil pump shaft 6 is fixed with drive pin and is connected by the drive pin and the transmission of internal rotor 7
Connect, 7 end face of internal rotor is equipped with the cotter way coordinated with drive pin, and existing drive pin is usually between the pin hole on machine oil pump shaft 6
To be slidably matched, drive pin can be smoothly inserted into pin hole during in order to assemble, but in the assembling process of internal rotor 7, drive pin
Easily deviate from from pin hole, bring inconvenience to installation, therefore, drive pin and machine oil pump shaft 6 are made of one, drive pin can be avoided
The risk to come off.
In the present embodiment, the machine oil pump shaft 6 is radially equipped with pin hole, and drive pin is arranged in the pin hole and and pin hole
Between form interference fit, the assembling of machine oil pump shaft 6 and drive pin can be completed before lubricating oil pump is assembled, ensures drive pin and pin hole
Between be relatively fixed, turning timing in lubricating oil pump to avoid drive pin comes off.
In the present embodiment, the machine oil pump shaft 6, which is sequentially connected with oil pump gear 12 oil pump gear 12, can pass through hair
Motivation bent axle is driven by gear train, so that driving machine operation of oil pump.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail in good embodiment, it will be understood by those of ordinary skill in the art that, can be to the skill of the present invention
Art scheme technical scheme is modified or replaced equivalently, without departing from the objective and scope of technical solution of the present invention, it should all cover at this
Among the right of invention.
Claims (5)
1. one kind can pressure release type engine oil supplying assembly, it is characterised in that：Including lubricating oil pump and pressure release valve module, the lubricating oil pump bag
Include the oil pump casing with pressure release hydraulic fluid port and the oil pump cover plate for sealing oil pump casing inner cavity；The pressure release valve module
Including the relief valve core being arranged between oil pump cover plate and pressure release hydraulic fluid port；The relief valve core includes being used to close pressure release
The steel ball of hydraulic fluid port and the spring being arranged between the steel ball and oil pump cover plate；The oil pump cover plate is disc and the machine
Oil pump cover board radially extends to form spring base, which is equipped with the annular groove for fixed spring；The oil pump casing side
Wall is equipped with the pressure release valve housing for being used for installing relief valve core, and the pressure release valve housing includes being arranged at outside oil pump casing
The arc groove of side wall, the relief valve core are arranged between the arc groove and crankcase cover madial wall；Further include crankcase cover,
Oil pump casing is arranged at crankcase cover inner surface and crankcase cover side wall is equipped with the machine oil outlet of connection oil pump casing inner cavity,
Oil pump casing is integrally formed with crankcase cover；The passage for accommodating spool is formed between arc groove and the crankcase cover inner wall.
2. according to claim 1 can pressure release type engine oil supplying assembly, it is characterised in that：The lubricating oil pump turns in further including
Son, outer rotor and machine oil pump shaft, the internal rotor and outer rotor may be contained within oil pump casing and the internal rotor and machine oil
Pump shaft is sequentially connected.
3. according to claim 2 can pressure release type engine oil supplying assembly, it is characterised in that：The machine oil pump shaft is fixed with
Drive pin is simultaneously sequentially connected by the drive pin and the internal rotor.
4. according to claim 3 can pressure release type engine oil supplying assembly, it is characterised in that：The machine oil pump shaft is radially set
There is pin hole, the drive pin is arranged in the pin hole and interference fit is formed between pin hole.
5. according to claim 4 can pressure release type engine oil supplying assembly, it is characterised in that：The machine oil pump shaft is sequentially connected
Organic oil pump gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410766465.8A CN104612780B (en) | 2014-12-12 | 2014-12-12 | Can pressure release type engine oil supplying assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410766465.8A CN104612780B (en) | 2014-12-12 | 2014-12-12 | Can pressure release type engine oil supplying assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104612780A CN104612780A (en) | 2015-05-13 |
| CN104612780B true CN104612780B (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410766465.8A Active CN104612780B (en) | 2014-12-12 | 2014-12-12 | Can pressure release type engine oil supplying assembly |
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| CN (1) | CN104612780B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764371A (en) * | 2016-11-29 | 2017-05-31 | 东风朝阳朝柴动力有限公司 | Can adjust automatically engine oil pressure rotor-type oil pump assembly |
| CN110259930A (en) * | 2019-07-18 | 2019-09-20 | 天地科技股份有限公司上海分公司 | The efficient enforced lubricating system of coalcutter with circulation lubricating function |
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| CN2828328Y (en) * | 2005-10-14 | 2006-10-18 | 无锡开普动力有限公司 | Lubricating system of engine |
| CN201326426Y (en) * | 2008-10-22 | 2009-10-14 | 三阳工业股份有限公司 | Oil line system of single oil pump |
| CN201354656Y (en) * | 2008-12-15 | 2009-12-02 | 江门天钇金属工业有限公司 | Engine oil pump gear drive mechanism for motorcycle engine |
| CN101598048A (en) * | 2008-06-05 | 2009-12-09 | 本田技研工业株式会社 | The air-breather of motor |
| CN103628946A (en) * | 2013-10-24 | 2014-03-12 | 隆鑫通用动力股份有限公司 | Gasoline engine pressure lubrication system and gasoline engine thereof |
| CN204534082U (en) * | 2014-12-12 | 2015-08-05 | 隆鑫通用动力股份有限公司 | There is the oil pump of Decompression valves assembly |
-
2014
- 2014-12-12 CN CN201410766465.8A patent/CN104612780B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2828328Y (en) * | 2005-10-14 | 2006-10-18 | 无锡开普动力有限公司 | Lubricating system of engine |
| CN101598048A (en) * | 2008-06-05 | 2009-12-09 | 本田技研工业株式会社 | The air-breather of motor |
| CN201326426Y (en) * | 2008-10-22 | 2009-10-14 | 三阳工业股份有限公司 | Oil line system of single oil pump |
| CN201354656Y (en) * | 2008-12-15 | 2009-12-02 | 江门天钇金属工业有限公司 | Engine oil pump gear drive mechanism for motorcycle engine |
| CN103628946A (en) * | 2013-10-24 | 2014-03-12 | 隆鑫通用动力股份有限公司 | Gasoline engine pressure lubrication system and gasoline engine thereof |
| CN204534082U (en) * | 2014-12-12 | 2015-08-05 | 隆鑫通用动力股份有限公司 | There is the oil pump of Decompression valves assembly |
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| CN104612780A (en) | 2015-05-13 |
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