CN209011983U - A kind of oil transfer pump oil transportation circulation mechanism based on crankshaft - Google Patents
A kind of oil transfer pump oil transportation circulation mechanism based on crankshaft Download PDFInfo
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- CN209011983U CN209011983U CN201821439004.XU CN201821439004U CN209011983U CN 209011983 U CN209011983 U CN 209011983U CN 201821439004 U CN201821439004 U CN 201821439004U CN 209011983 U CN209011983 U CN 209011983U
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- China
- Prior art keywords
- crankshaft
- transfer pump
- oil transfer
- oil
- chamber cover
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of oil transfer pump oil transportation circulation mechanism based on crankshaft, it include: crankshaft, crankshaft timing gear, gear chamber cover and oil transfer pump, the crankshaft timing gear is arranged on crankshaft, oil transfer pump installation position is provided on the outside of the gear chamber cover, the oil transfer pump is arranged on the oil transfer pump installation position on the outside of gear chamber cover, crankshaft is located on the inside of gear chamber cover and oil transfer pump is directed toward in one end, the drive shaft of the oil transfer pump extends in the corresponding end of crankshaft, and indent is provided with fluting corresponding with driving shaft end in the corresponding end of the crankshaft.Through the above way, oil transfer pump oil transportation circulation mechanism described in the utility model based on crankshaft, pass through the cooperation of drive shaft and the crankshaft end fluting of oil transfer pump, it realizes that crankshaft directly drives oil transfer pump, cuts down the number of intermediate links, control production cost, it is advantageously ensured that the efficient operation of oil transfer pump, the revolving speed and operating condition of diesel engine are adapted to, while meeting input oil pressure requirement, reduces energy consumption.
Description
Technical field
The utility model relates to Diesel Engine Technique Fields, more particularly to a kind of oil transfer pump oil transportation circulator based on crankshaft
Structure.
Background technique
For many years, the technological progress of single cylinder diesel is small, and pollution is big, is the blue sky defended war of active response country, makes list
Cylinder diesel can satisfy non-rice habitats state four standard, and there is an urgent need to carry out the upgrading of single cylinder cylinder diesel.By the several years
Research, single cylinder diesel can satisfy emissions requirements using the technology path of high-pressure common-rail fuel system at present.
High-pressure common-rail fuel system is different from former mechanical pump fuel system and electronically controlled unit pump fuel system, common fuel oil
Input pressure is not able to satisfy the work requirements of high-pressure common-rail fuel system, is badly in need of exploitation oil transportation supercharging device, for input oil pressure
It is required that the considerations of with cost aspect, need to design more succinct mechanical oil transfer pump fuel oil supply system.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of oil transfer pump oil transportation circulation mechanism based on crankshaft, completely
Foot input oil pressure requirement, and simplify structure, control cost.
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of based on crankshaft
Oil transfer pump oil transportation circulation mechanism, comprising: crankshaft, crankshaft timing gear, gear chamber cover and oil transfer pump, the crankshaft timing gear are set
It sets on crankshaft, is provided with oil transfer pump installation position on the outside of the gear chamber cover, the oil transfer pump is arranged on the outside of gear chamber cover
On oil transfer pump installation position, crankshaft is located on the inside of gear chamber cover and oil transfer pump is directed toward in one end, and the drive shaft of the oil transfer pump extends to
In the corresponding end of crankshaft, indent is provided with fluting corresponding with driving shaft end in the corresponding end of the crankshaft.
In one preferred embodiment of the utility model, the inlet of the oil transfer pump is provided with oil inlet pipe assembly, described
The liquid outlet of oil transfer pump is provided with fuel-displaced pipe assembly.
In one preferred embodiment of the utility model, be provided in the oil transfer pump installation position on the outside of the gear chamber cover with
The corresponding oil transfer pump gasket of oil transfer pump.
In one preferred embodiment of the utility model, be provided in the oil transfer pump installation position on the outside of the gear chamber cover with
The corresponding through-hole of the drive shaft of oil transfer pump.
In one preferred embodiment of the utility model, the bolt connecting with gear chamber cover is provided on the oil transfer pump,
Bolt spring washer is provided on the bolt.
In one preferred embodiment of the utility model, the fluting is square groove, the drive shaft outer circle end symmetrical milling
Plane and form embedded block corresponding with fluting.
In one preferred embodiment of the utility model, the crankshaft timing gear is located at crankshaft one end, the crankshaft end
Portion's lateral surface indent is provided with keyway corresponding with crankshaft timing gear, is provided in keyway and limits to crankshaft timing gear
Positioning key, the limit that circlip for shaft carries out positioning key is provided on the crankshaft.
The beneficial effects of the utility model are: a kind of oil transfer pump oil transportation circulator based on crankshaft that the utility model is pointed out
Structure realizes that crankshaft directly drives oil transfer pump by the cooperation of drive shaft and the crankshaft end fluting of oil transfer pump, reduces intermediate
Link controls production cost, it is advantageously ensured that the efficient operation of oil transfer pump, adapts to the revolving speed and operating condition of diesel engine, meets input
While oil pressure requires, energy consumption is reduced.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings, in which:
Fig. 1 is a kind of structural representation of one preferred embodiment of oil transfer pump oil transportation circulation mechanism based on crankshaft of the utility model
Figure.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model
Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Referring to Fig. 1, the utility model embodiment includes:
A kind of oil transfer pump oil transportation circulation mechanism based on crankshaft, comprising: crankshaft 1, crankshaft timing gear 2,4 and of gear chamber cover
Oil transfer pump 7, the crankshaft timing gear 2 is arranged on crankshaft 1, specifically, the crankshaft timing gear 2 is located at 1 one end of crankshaft,
The 1 end lateral surface indent of crankshaft is provided with keyway corresponding with crankshaft timing gear 2, is provided in keyway to crankshaft timing
The positioning key that gear 2 is limited, installation facilitate, and the limit that circlip for shaft carries out positioning key is provided on the crankshaft 1,
Promote the structural stability of crankshaft timing gear 2.
The 4 outside indent of gear chamber cover is provided with oil transfer pump installation position, and the oil transfer pump 7 is arranged outside gear chamber cover 4
On the oil transfer pump installation position of side, crankshaft 1 is located at 4 inside of gear chamber cover and oil transfer pump 7, the driving of the oil transfer pump 7 are directed toward in one end
Axis 9 extends in the corresponding end of crankshaft 1, and the driving of oil transfer pump 7 is directly carried out using crankshaft 1, is cut down the number of intermediate links, favorably
In reducing cost and energy consumption.
Indent is provided with fluting corresponding with 9 end of drive shaft in the corresponding end of the crankshaft 1.The fluting is side
Slot, the 9 outer circle end symmetrical milling flat of drive shaft and form embedded block 10 corresponding with fluting, connective stability is high, avoids
Transmission slip problem.
The inlet of the oil transfer pump 7 is provided with oil inlet pipe assembly 5, the external fuel tank of oil inlet pipe assembly 5, so that low pressure
Diesel oil imports oil transfer pump 7 from fuel tank, and the liquid outlet of the oil transfer pump 7 is provided with fuel-displaced pipe assembly 6, and fuel-displaced pipe assembly 6 is external
Injection pump, guarantee have sufficient amount of high-pressure diesel to be sent to injection pump, increase injection pressure.
It is provided with through-hole corresponding with the drive shaft of oil transfer pump 7 in the oil transfer pump installation position in 4 outside of gear chamber cover, side
Just drive shaft 9 enters 4 inside of gear chamber cover.It is right with oil transfer pump 7 to be provided in the oil transfer pump installation position in 4 outside of gear chamber cover
The oil transfer pump gasket 3 answered, promotes the leakproofness of junction.
The bolt 8 connecting with gear chamber cover 4 is provided on the oil transfer pump 7, so that oil transfer pump 7 is mounted on gear chamber cover 4
On, sound construction is provided with bolt spring washer on the bolt 8, and stability is good.
In conclusion a kind of oil transfer pump oil transportation circulation mechanism based on crankshaft that the utility model is pointed out, is driven using crankshaft
Dynamic oil transfer pump is conducive to promote injection pressure, promotes combustion efficiency, meet emissions requirements injection pump is given after diesel supercharging.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases
The technical field of pass, is also included in the patent protection scope of the utility model.
Claims (7)
1. a kind of oil transfer pump oil transportation circulation mechanism based on crankshaft characterized by comprising crankshaft, crankshaft timing gear, gear
Chamber cap and oil transfer pump, the crankshaft timing gear are arranged on crankshaft, are provided with oil transfer pump installation position on the outside of the gear chamber cover,
The oil transfer pump is arranged on the oil transfer pump installation position on the outside of gear chamber cover, and crankshaft is located on the inside of gear chamber cover and one end direction is defeated
Oil pump, the drive shaft of the oil transfer pump extend in the corresponding end of crankshaft, and indent is provided in the corresponding end of the crankshaft
Fluting corresponding with driving shaft end.
2. the oil transfer pump oil transportation circulation mechanism according to claim 1 based on crankshaft, which is characterized in that the oil transfer pump
Inlet is provided with oil inlet pipe assembly, and the liquid outlet of the oil transfer pump is provided with fuel-displaced pipe assembly.
3. the oil transfer pump oil transportation circulation mechanism according to claim 1 based on crankshaft, which is characterized in that the gear chamber cover
Oil transfer pump gasket corresponding with oil transfer pump is provided in the oil transfer pump installation position in outside.
4. the oil transfer pump oil transportation circulation mechanism according to claim 1 based on crankshaft, which is characterized in that the gear chamber cover
Through-hole corresponding with the drive shaft of oil transfer pump is provided in the oil transfer pump installation position in outside.
5. the oil transfer pump oil transportation circulation mechanism according to claim 3 based on crankshaft, which is characterized in that on the oil transfer pump
It is provided with the bolt connecting with gear chamber cover, bolt spring washer is provided on the bolt.
6. the oil transfer pump oil transportation circulation mechanism according to claim 1 based on crankshaft, which is characterized in that the fluting is side
Slot, the drive shaft outer circle end symmetrical milling flat and form embedded block corresponding with fluting.
7. the oil transfer pump oil transportation circulation mechanism according to claim 1 based on crankshaft, which is characterized in that the crankshaft timing
Gear is located at crankshaft one end, and the crankshaft end lateral surface indent is provided with keyway corresponding with crankshaft timing gear, in keyway
It is provided with the positioning key limited to crankshaft timing gear, circlip for shaft is provided on the crankshaft and carries out positioning key
Limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821439004.XU CN209011983U (en) | 2018-09-04 | 2018-09-04 | A kind of oil transfer pump oil transportation circulation mechanism based on crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821439004.XU CN209011983U (en) | 2018-09-04 | 2018-09-04 | A kind of oil transfer pump oil transportation circulation mechanism based on crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209011983U true CN209011983U (en) | 2019-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821439004.XU Active CN209011983U (en) | 2018-09-04 | 2018-09-04 | A kind of oil transfer pump oil transportation circulation mechanism based on crankshaft |
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| CN (1) | CN209011983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979918A (en) * | 2018-09-04 | 2018-12-11 | 江苏农华智慧农业科技股份有限公司 | A kind of oil transfer pump oil transportation circulation mechanism based on crankshaft |
-
2018
- 2018-09-04 CN CN201821439004.XU patent/CN209011983U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979918A (en) * | 2018-09-04 | 2018-12-11 | 江苏农华智慧农业科技股份有限公司 | A kind of oil transfer pump oil transportation circulation mechanism based on crankshaft |
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