CN201187445Y - Engine oil pump of diesel - Google Patents
Engine oil pump of diesel Download PDFInfo
- Publication number
- CN201187445Y CN201187445Y CNU2007203049180U CN200720304918U CN201187445Y CN 201187445 Y CN201187445 Y CN 201187445Y CN U2007203049180 U CNU2007203049180 U CN U2007203049180U CN 200720304918 U CN200720304918 U CN 200720304918U CN 201187445 Y CN201187445 Y CN 201187445Y
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- CN
- China
- Prior art keywords
- oil pump
- gear
- driving shaft
- oil
- driven shaft
- 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.)
- Expired - Fee Related
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- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses an oil pump for a diesel engine, which comprises an oil pump body, an oil pump cover, an oil pump gear, an oil pump driving shaft and an oil pump driven shaft. The oil pump cover is fixed on the oil pump body; the oil pump driving shaft and the oil pump driven shaft are disposed on the oil pump body and mounting holes of a driving shaft and a driven shaft of the oil pump cover in parallel via bushings; the oil pump gear includes two gears engaging with each other, one gear is fixed on the oil pump driving shaft, and the other gear is fixed on the oil pump driven shaft. The oil pump has the characteristics of simple and compact structure, stable oil flow, fewer required parts, easy processing and convenient installation, can be designed as serialization products according to different flow requirements, and suitable for use in diesel engines with the different flow requirements.
Description
Technical field
The utility model relates to a kind of diesel engine oil pump, relates in particular to a kind of diesel engine gear type oil pump.
Background technique
Oil pump is one of lubricating system of diesel oil engine most critical component, the function of oil pump is to improve engine oil pressure, guarantee enough circular flows, the design key of oil pump will be considered the actual flow of machine oil, just will carry out flow rate calculation, only carries out flow rate calculation, according to actual flow needs design oil pump, could guarantee the engine oil pressure of diesel engine whole lubricating system, it is lubricated fully that each movement parts of diesel engine is obtained, and improves the reliability of complete machine.If the oil pump design is unreasonable, flow is too small, and then the engine oil pressure of diesel engine is on the low side, and it is lubricated fully that each movement parts of diesel engine be can not get, and occurs phenomenons such as movement parts quick abrasion and tile kilning easily; Flow is excessive, and then the engine oil pressure of diesel engine is higher, influences the proper functioning of diesel engine.The machine oil pump structure will be considered compactedness, manufacturability, the mounting point whether with problems such as other part interference, also to consider whether can just can design the oil pump of different flow by simple improvement, satisfy the requirement of different capacity section.CN2331773Y discloses a kind of interior engagement type oil pump, comprise the pump housing, pump cover, be installed in the inner chamber of the pump housing by pump shaft off-centre and structures such as intermeshing internal gear and external gear, but this oil pump fuel supply flow rate stability needs further to improve, be difficult for being designed to the oil pump of different flow, generally can only be applicable to the motorcycle engine use.
Summary of the invention
At the deficiencies in the prior art, the utility model provides a kind of diesel engine oil pump, and this oil pump has simple and compact for structure, is convenient to install, and satisfies characteristics such as diesel engine traffic requirement, can be easy to simultaneously form series product according to flow design.
The utility model diesel engine oil pump comprises oil pump body 6, oil pump cover 10, oil pump gear 2, oil pump driving shaft 3 and oil pump driven shaft 5, oil pump cover 10 is fixed on the oil pump body 6, and oil pump driving shaft 3 and oil pump driven shaft 5 usefulness linings 4 are parallel to be installed on the mounting hole of master and slave moving axis of oil pump body 6 and oil pump cover 10, and oil pump gear 2 comprises intermeshing two gears, one is fixed on the oil pump driving shaft 3, and one is fixed on the oil pump driven shaft 5.
Oil pump driving shaft 3 adopts gear or chain transmission mode to drive, and machine oil inlet 16 and machine oil outlet 17 are set on the oil pump body 6, and machine oil inlet 16 and machine oil outlet 17 are located at the left and right side of oil pump body.Oil pump body 6 is connected with setting sleeve by the spiral shell inspection with oil pump cover 10, bolt can be 2～8, with oil pump body 6 bolt relevant positions mounting hole is set on the oil pump cover 10, setting sleeve can be 2～4, and setting sleeve is arranged on machine oil body 6 and oil pump cover 10 corresponding positions.On the oil pump body 6 safety valve 13 can be set, safety valve 13 is on machine oil outlet next door, and safety valve 13 is by being threaded on the oil pump body 6.Earlier valve plug 14 is installed on the safety valve 13, then spring 15 is installed on the valve plug 14, then adjustment pad 11 is contained on the spring 15, adorns cotter pin 12 at last.
Gear pump flow size is main relevant with the width of principal and subordinate's gear.Therefore according to the designing requirement of different diesel engines, on the general basic that guarantees part oil pump part, change the oil pump that oil pump gear can be designed different flow, can satisfy the requirement of different flow oil pump, form tandem product according to flow.
The utility model diesel engine oil pump is simple and compact for structure, and oil flow rate is stable, and required part is few, is easy to processing, is convenient to install, and can require design to form tandem product according to different flow, satisfies the diesel engine of different flow requirement.Cooperate parts such as safety valve, the safety and stability that can further increase product is used.
Description of drawings
Fig. 1 is a kind of concrete structure diesel engine oil pump of the utility model plan view.
Fig. 2 is the A-A direction sectional view (rotation) of Fig. 1 diesel engine oil pump.
Fig. 3 is the B-B direction sectional view of Fig. 1 diesel engine oil pump.
Among the figure: the 1-setting sleeve; The 2-oil pump gear; 3-oil pump driving shaft; The 4-lining; 5-oil pump driven shaft; The 6-pump housing; 7-bolt pad; The 8-bolt; The 9-actuation gear; The 10-pump cover; 11-adjusts pad; The 12-cotter pin; The 13-safety valve; The 14-valve plug; The 15-spring; 16-machine oil inlet; The outlet of 17-machine oil.
Embodiment
Further specify the structure and the working principle of the utility model diesel engine oil pump below in conjunction with accompanying drawing.
The utility model diesel engine oil pump has following characteristics: 1. simple and compact for structure: major part has: oil pump body 6, oil pump cover 10, oil pump gear 2, oil pump driving shaft 3, oil pump driven shaft 5, Oil pump drive gear 9, safety valve 13 etc.2. be convenient to install: four mounting holes are arranged on the oil pump cover, and two setting sleeves are installed on the body.3. design different flow oil pump forms tandem product, satisfies the diesel engine of different flow requirement.Gear pump flow size is main relevant with the main driven gear width.Therefore according to the designing requirement of different diesel engines, on the general basic that guarantees part oil pump part, dynamo-electric machine oil pump body, oil pump driving shaft, oil pump driven shaft, oil pump gear, can design the oil pump of different flow, can satisfy the requirement of different flow oil pump, form tandem product according to flow.
Specifically, the oil pump driving shaft 3 of the utility model oil pump and oil pump driven shaft 5 usefulness linings 4 are installed on the mounting hole of master and slave moving axis of oil pump body 6, oil pump cover 10; Oil pump gear 2 comprises two, is meshing with each other, and one of them is fixed on the oil pump driving shaft 3, and one is fixed on the oil pump driven shaft 5.Oil pump drive gear 9 is fixed on the oil pump driving shaft 3, oil pump body 6, and oil pump cover 10 is connected with two setting sleeves 1 by bolt 8.Safety valve 13 is adjusted pad 11 by being threaded on the oil pump body 6, cotter pin 12, and valve plug 14, spring 15 is contained on the safety valve 13.
The working principle of the utility model oil pump is as follows:
Oil pump is installed on the diesel engine, Oil pump drive gear 9 by oil pump driving shaft 3 outsides drives two oil pump gear 2 gear motions of oil pump body 6 inner chambers, form enclosed volume in the two gear engagement processes, the instantaneous high pressure that produces, oil pressure is brought up to some values, high pressure oil after boosting flows out by the oil outlet of oil pump body 6, when oil pressure surpasses the scope of design code, the safety valve that is installed in oil pump body 6 is opened, guarantee that oil pump outlet oil pressure in predetermined range, satisfies design pressure and design discharge requirement.
Claims (6)
1, a kind of diesel engine oil pump, comprise oil pump body [6], oil pump cover [10], it is characterized in that also comprising oil pump gear [2], oil pump driving shaft [3] and oil pump driven shaft [5], oil pump cover [10] is fixed on the oil pump body [6], on oil pump driving shaft [3] and oil pump driven shaft [5] the mounting hole with the parallel master and slave moving axis that is installed on oil pump body [6] and oil pump cover [10] of lining [4], oil pump gear [2] comprises intermeshing two gears, one is fixed on the oil pump driving shaft [3], and one is fixed on the oil pump driven shaft [5].
2,, it is characterized in that described oil pump driving shaft [3] adopts gear or chain transmission mode to drive according to the described oil pump of claim 1.
3,, it is characterized in that being provided with on the described oil pump body [6] machine oil inlet and machine oil outlet according to the described oil pump of claim 1.
4, according to the described oil pump of claim 1, it is characterized in that described oil pump body [6] is connected with setting sleeve by bolt with oil pump cover [10], bolt is 2～8, setting sleeve is 2～4.
5, according to the described oil pump of claim 1, it is characterized in that being provided with on the described oil pump body [6] safety valve [13], safety valve is by being threaded on the oil pump body, and safety valve [13] is arranged on machine oil outlet next door.
6,, it is characterized in that adjusting pad [11], cotter pin [12], valve plug [14] and spring [15] and be contained on the safety valve [13] according to the described oil pump of claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203049180U CN201187445Y (en) | 2007-11-30 | 2007-11-30 | Engine oil pump of diesel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203049180U CN201187445Y (en) | 2007-11-30 | 2007-11-30 | Engine oil pump of diesel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201187445Y true CN201187445Y (en) | 2009-01-28 |
Family
ID=40310466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203049180U Expired - Fee Related CN201187445Y (en) | 2007-11-30 | 2007-11-30 | Engine oil pump of diesel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201187445Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016938A (en) * | 2011-09-28 | 2013-04-03 | 上海乾通汽车附件有限公司 | Aluminium alloy casting for oil pump bodies and pump covers of gasoline engines |
| CN103256092A (en) * | 2012-02-16 | 2013-08-21 | 上海乾通汽车附件有限公司 | Oil pump assembly of gasoline engine |
-
2007
- 2007-11-30 CN CNU2007203049180U patent/CN201187445Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016938A (en) * | 2011-09-28 | 2013-04-03 | 上海乾通汽车附件有限公司 | Aluminium alloy casting for oil pump bodies and pump covers of gasoline engines |
| CN103256092A (en) * | 2012-02-16 | 2013-08-21 | 上海乾通汽车附件有限公司 | Oil pump assembly of gasoline engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090128 Termination date: 20151130 |
|
| EXPY | Termination of patent right or utility model |