CN203656543U - Engine oil pump - Google Patents
Engine oil pump Download PDFInfo
- Publication number
- CN203656543U CN203656543U CN201320897134.9U CN201320897134U CN203656543U CN 203656543 U CN203656543 U CN 203656543U CN 201320897134 U CN201320897134 U CN 201320897134U CN 203656543 U CN203656543 U CN 203656543U
- Authority
- CN
- China
- Prior art keywords
- oil pump
- engine oil
- gear
- transmission shaft
- driven gear
- 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
Links
- 239000010705 motor oil Substances 0.000 title abstract 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000004663 powder metallurgy Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 89
- 239000010721 machine oil Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000010710 diesel engine oil Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Landscapes
- Lubrication Of Internal Combustion Engines (AREA)
- Rotary Pumps (AREA)
Abstract
The utility model discloses an engine oil pump. The engine oil pump comprises a pump body (1). The pump body (1) is provided with a transmission shaft (3) of the engine oil pump and a driven gear shaft (8). One end of transmission shaft (3) of the engine oil pump is provided with a driven wheel (2). The other end of transmission shaft (3) of the engine oil pump is provided with a driving gear (4) of the engine oil pump. The driven gear shaft (8) is provided with a driven gear (9). The driving gear (4) and the driven gear (9) of the engine oil pump are disposed in an inner cavity of the pump body (1). The driven wheel (2) is disposed at the outer end of the pump body (1). An external gearing transmission mode is adopted by the driving gear (4) of the engine oil pump and the driven gear (9) of the engine oil pump. An interference fit connection mode is adopted by the driven wheel (2), the driving gear (4) of the engine oil pump and the transmission shaft (3) of the engine oil pump. The driven wheel (2) is a gear or a sprocket wheel and made of a powder metallurgy material. The engine oil pump is compact in structure, small in size, high in reliably and low in cost and helps to achieve diversified transmission.
Description
Technical field
The utility model relates to a kind of oil pump, relates in particular to a kind of diesel engine oil pump.
Background technique
When diesel engine work, a lot of driving parts are all under very little gap, to do high speed relative movement, the effect of oil pump on diesel engine is exactly to carry lubricant oil, it is circulated in diesel lubrication oil circuit, take away the heat that the each kinematic pair of diesel engine produces because of friction, and guarantee can between its each kinematic pair, provide incessantly take sufficiently high pressure the lubricant oil of sufficient amount under any rotating speed of diesel engine, make the surface of each kinematic pair high speed relative movement obtain good lubricating, thereby guarantee that diesel engine runs well.The small-bore diesel engine of cylinder diameter below 85mm, particularly boosting type small-bore diesel engine, because its complete machine structure is very compact, make the mounting point of oil pump limited.Existing oil pump should be considered the distance and position of the pump housing and main oil gallery, considers again the position of oil pump transmission shaft and engine-driving axle, has increased oil pump design difficulty.The existing oil pump gear pumps that adopt interior engagement driving mode more, boundary dimension is large, has limited the mounting type of oil pump, and a kind of oil pump can only be arranged on a kind of motor; Between its transmission shaft and follower, axle and driving gear, be all to adopt transition fit to add key Placement, key Placement easily lost efficacy and axle fracture easily occurred, and worked unreliable.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of volume little, reliable operation, the diversified oil pump of the kind of drive.
The technical solution of the utility model is: a kind of oil pump, comprise the pump housing, the pump housing is provided with oil pump transmission shaft and driven gear shaft, one end of oil pump transmission shaft is provided with follower, the other end of oil pump transmission shaft is provided with oil pump driving gear, driven gear shaft is provided with driven gear, oil pump driving gear and driven gear are positioned at the inner chamber of the pump housing, follower is positioned at the outer end of the pump housing, described oil pump driving gear and described oil pump driven gear adopt the outer gearing kind of drive, described follower, described oil pump driving gear all adopts interference fit Placement with oil pump transmission shaft.
Above-mentioned follower adopts gear or sprocket wheel.
As improvement, above-mentioned follower adopts powdered metallurgical material.
Technique effect of the present utility model is: the utility model oil pump driving gear and described oil pump driven gear adopt the outer gearing kind of drive, and volume is little, and compact structure has expanded the mounting type of oil pump.The utility model follower adopts interference fit Placement to be arranged on oil pump transmission shaft, like this can be according to the kind of drive of oil pump, follower can select to install sprocket wheel or gear, in the time of oil pump transmission shaft and bent axle distant, selects chain transmission, and now follower is selected sprocket wheel.In the time of the close together of oil pump transmission shaft and bent axle, select gear transmission, now follower is selected gear, when design the oil pump position, only need to consider the distance of the pump housing and main oil gallery, solve existing oil pump transmission shaft and supporting oil pump can only be used for a kind of motor and can not be used in the problem on various engines.Make in the time of designed engines, the apolegamy of oil pump is more prone to.The utility model follower, oil pump driving gear all adopt interference fit Placement with oil pump transmission shaft, have solved existing oil pump and have used key connection easily to cause drive shafts fracture, insecure problem of working.The utility model follower adopts powdered metallurgical material, has replaced traditional steel material, has saved complicated procedure, and cost is low.Therefore, the utility model oil pump, meeting under the condition that Diesel Engine Complete Machine compact structure, volume are little, can realize the diversified transmission of oil pump, can improve oil pump reliability and working life again, and reduce cost.
Accompanying drawing explanation
1, Fig. 1 is the structural representation of the utility model oil pump;
2, the A-A sectional view that Fig. 2 is Fig. 1.
In figure: 1, the pump housing, 2, follower, 3, oil pump transmission shaft, 4, oil pump driving gear, 5, machine oil suction filter housing, 6, strainer body, 7, pressure regulator valve, 8, driven gear shaft, 9, oil pump driven gear, 10, oil outlet.
Embodiment
Describe in detail below in conjunction with drawings and Examples:
Embodiment 1:
As depicted in figs. 1 and 2, a kind of oil pump of the utility model, comprise the pump housing 1, follower 2, oil pump transmission shaft 3, oil pump driving gear 4, machine oil suction filter housing 5, strainer body 6, pressure regulator valve 7, driven gear shaft 8, oil pump driven gear 9, oil outlet 10, the pump housing is provided with oil pump transmission shaft 3 and driven gear shaft 8, one end of oil pump transmission shaft 3 is provided with follower 2, the other end of oil pump transmission shaft 3 is provided with oil pump driving gear 4, driven gear shaft 8 is provided with driven gear 9, oil pump driving gear 4 and driven gear 9 are positioned at the inner chamber of the pump housing 1, follower 2 is positioned at the outer end of the pump housing 1, described oil pump driving gear 4 adopts the outer gearing kind of drive with described oil pump driven gear 9, described follower 2, described oil pump driving gear 4 all adopts interference fit Placement with oil pump transmission shaft 3.In the time of engine operation, follower 2 drives oil pump driving gear 4 to rotate by oil pump transmission shaft 3, and oil pump driving gear 4 drives oil pump driven gear 9 with matching to rotate.Oil pump driving gear 4 makes pump body produce parital vacuum with the rotation of oil pump driven gear 9, machine oil sucks the oil pocket in the pump housing 1 after filtering by strainer body 6 under barometric pressure effect, the machine oil that is inhaled into oil pocket is under the effect of oil pump driving gear 4 and oil pump driven gear 9, and the oil outlet 10 being connected with body main oil gallery by oil pump enters in the main oil gallery of engine body and lubricates each component.
Oil pump transmission shaft 3 is distant with bent axle, and follower adopts sprocket wheel, adopts the chain kind of drive, and the drive sprocket being arranged on bent axle is arranged on the sprocket rotation on oil pump transmission shaft 3 by chain-driving, and sprocket wheel adopts powdered metallurgical material to make.
Embodiment 2
The close together of oil pump transmission shaft 3 and bent axle, follower adopts gear, adopts gear transmission mode, and the timing gear that are arranged on bent axle drive the gear on oil pump transmission shaft 3 to rotate, and gear adopts powdered metallurgical material to make.Other structure of embodiment 2 is with embodiment 1.
The utility model oil pump is according to large flow machine oil pump needs, under the design principle of compact structure, follower 2 adopts interference fit Placement with oil pump transmission shaft 3, effectively solve the problem that a kind of oil pump of traditional oil pump can only be used for a kind of motor, realize the multiple kind of drive of a kind of oil pump, and can be used for various engines.The use of interference fit simultaneously, has solved traditional oil pump and has used key to connect the transmission shaft easy-rupturing causing, insecure problem of working, the working life of greatly having improved reliability and the oil pump of oil pump.Usability, the life and reliability of motor are increased to a great extent.The material of follower 3 adopts powdered metallurgical material, has replaced conventional steel material, has saved complicated procedure.
The utility model oil pump is directly driven by bent axle, has saved the spiral gear structure on motor jack shaft or camshaft, makes machine oil pump structure simpler, compact, has reduced processing cost simultaneously.
The unspecified content of the utility model is prior art, and those skilled in the art can obtain inspiration from the present embodiment and prior art, is out of shape and obtains other embodiment.Therefore, protection domain of the present utility model should be determined according to the protection domain of claim.
Claims (4)
1. an oil pump, comprise the pump housing (1), the pump housing (1) is provided with oil pump transmission shaft (3) and driven gear shaft (8), one end of oil pump transmission shaft (3) is provided with follower (2), the other end of oil pump transmission shaft (3) is provided with oil pump driving gear (4), driven gear shaft (8) is provided with driven gear (9), oil pump driving gear (4) and driven gear (9) are positioned at the inner chamber of the pump housing (1), follower (2) is positioned at the outer end of the pump housing (1), it is characterized in that: described oil pump driving gear (4) adopts the outer gearing kind of drive with described oil pump driven gear (9), described follower (2), described oil pump driving gear (4) all adopts interference fit Placement with oil pump transmission shaft (3).
2. a kind of oil pump according to claim 1, is characterized in that: described follower (2) is gear.
3. a kind of oil pump according to claim 1, is characterized in that: described follower (2) is sprocket wheel.
4. a kind of oil pump according to claim 1, is characterized in that: described follower (2) adopts powdered metallurgical material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320897134.9U CN203656543U (en) | 2013-12-29 | 2013-12-29 | Engine oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320897134.9U CN203656543U (en) | 2013-12-29 | 2013-12-29 | Engine oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203656543U true CN203656543U (en) | 2014-06-18 |
Family
ID=50922928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320897134.9U Expired - Fee Related CN203656543U (en) | 2013-12-29 | 2013-12-29 | Engine oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203656543U (en) |
Cited By (2)
| 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 |
| CN111174078A (en) * | 2020-03-20 | 2020-05-19 | 湖南机油泵股份有限公司 | Single-side support oil pump with chain wheel |
-
2013
- 2013-12-29 CN CN201320897134.9U patent/CN203656543U/en not_active Expired - Fee Related
Cited By (2)
| 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 |
| CN111174078A (en) * | 2020-03-20 | 2020-05-19 | 湖南机油泵股份有限公司 | Single-side support oil pump with chain wheel |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 |