CN201050390Y - Integral diesel engine oil pump - Google Patents
Integral diesel engine oil pump Download PDFInfo
- Publication number
- CN201050390Y CN201050390Y CNU2007200214218U CN200720021421U CN201050390Y CN 201050390 Y CN201050390 Y CN 201050390Y CN U2007200214218 U CNU2007200214218 U CN U2007200214218U CN 200720021421 U CN200720021421 U CN 200720021421U CN 201050390 Y CN201050390 Y CN 201050390Y
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- CN
- China
- Prior art keywords
- oil
- oil pump
- communicated
- chamber
- diesel engine
- 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 - Lifetime
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- Lubrication Of Internal Combustion Engines (AREA)
- Rotary Pumps (AREA)
Abstract
The utility model discloses an engine oil pump body of an integral diesel engine, which comprises an engine oil pump shell and an engine oil pump front cover which are cast together as a whole part. An oil inlet hole and a gear chamber are arranged on the engine oil pump shell; the oil inlet hole is communicated with the gear through an inner chamber. An oil outlet hole and an oil outlet channel are arranged on the engine oil pump front cover; the oil outlet hole is communicated with the gear chamber through an oil duct on which an installation hole of a pressure limited valve is arranged; an oil hole communicated with a main oil duct of the diesel engine is arranged on the oil outlet channel; an oil drainage chamber communicated with the oil outlet channel is arranged on the engine oil pump front cover; a pressure oil drainage device is arranged in and an oil outlet communicated to an oil pan is arranged on the oil drainage chamber; an engine oil channel is arranged between the oil drainage chamber and the oil duct. The utility model has the advantages of fine sealing performance, high strength, and can reduce the loss of the diesel engine power.
Description
Technical field
The utility model relates to a kind of diesel engine lubricating oil pump housing.
Background technique
Existing diesel engine oil pump is made up of oil pump protecgulum, oil pump housing, oil pump bonnet three parts, between oil pump protecgulum and the oil pump housing, be respectively equipped with sealing gasket between oil pump housing and the oil pump bonnet and link together by bolt, and often have technical difficulty being tightly connected of this three part, the oil impregnate phenomenon appears in the not good meeting of sealing sometimes, and poor sealing performance, intensity are low.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of good seal performance, the diesel engine lubricating oil pump housing that intensity is high.
Be the technical solution problem, the utility model comprises oil pump housing and oil pump protecgulum, its structural feature is that described oil pump housing and oil pump protecgulum are casting integrated, is provided with oil inlet hole, gear chamber on the oil pump housing, and oil inlet hole communicates with gear chamber through inner chamber; Be provided with oil outlet, fuel-displaced oil duct on the oil pump protecgulum, oil outlet is communicated with gear chamber through oil duct, and oil duct is provided with the pressure-limit valve mounting hole, and fuel-displaced oil duct is provided with the oilhole that is communicated with the diesel engine main oil gallery; Being provided with the draining chamber that is communicated on the fuel-displaced oil duct on the oil pump protecgulum, be provided with the pressure drainage device in the draining chamber, the draining chamber is provided with the oil outlet towards oil sump, is provided with oil passageway between draining chamber and the oil duct.
Described pressure drainage device is a pressure-limit valve.
After adopting said structure,, improved the overall sealing performance and the intensity of oil pump, simplified mounting process, and then reduced cost of production because oil pump housing and oil pump protecgulum are designed to casting integrated; Being provided with the draining chamber that is communicated on the fuel-displaced oil duct on the oil pump protecgulum, in the draining chamber, be provided with the pressure drainage device, can also reduce the loss of diesel engine power.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of Fig. 1 vertical profile.
Embodiment
With reference to accompanying drawing, this integral body diesel engine lubricating oil pump housing comprises oil pump housing 1 and the oil pump protecgulum 2 that is cast into one, on oil pump housing 1, be provided with oil inlet hole 3, gear chamber 4, oil inlet hole 3 communicates with gear chamber 4 through inner chamber, oil inlet hole 3 links to each other with fuel filter, and the machine oil in the oil sump enters gear chamber 4 by fuel filter; On oil pump protecgulum 2, be provided with oil outlet 9, fuel-displaced oil duct 10, oil outlet 9 is communicated with gear chamber 4 through oil duct 8, oil duct 8 is provided with pressure-limit valve mounting hole 12, limit oil pressure in the oil duct 8 by being installed in pressure-limit valves in the pressure-limit valve mounting hole 12, fuel-displaced oil duct 10 is provided with the oilhole 11 that is communicated with the diesel engine main oil gallery, and oil outlet 9 also is communicated with the diesel engine main oil gallery; Be provided with the draining chamber that is communicated on the fuel-displaced oil duct 10 on the oil pump protecgulum 2, be provided with pressure drainage device 5 in the draining chamber, this pressure drainage device 5 is a pressure-limit valve, the draining chamber is provided with the oil outlet 6 towards oil sump, be provided with oil passageway 7 between draining chamber and the oil duct 8, when oil pressure is too high in the body main oil gallery, machine oil in the main oil gallery is opened the pressure drainage device 5 in the draining chamber by oil duct 10, machine oil in the oil duct 8 enters pressure-limit valve by oil passageway 7, and flow back to oil sump through oil outlet 6, so just stop oil pump oil transportation in main oil gallery, reduced the pressure of diesel-engine body main oil gallery, reduced the loss of diesel engine power.
Claims (2)
1. whole diesel engine lubricating oil pump housing, comprise oil pump housing (1) and oil pump protecgulum (2), it is characterized in that described oil pump housing (1) and oil pump protecgulum (2) are casting integrated, be provided with oil inlet hole (3), gear chamber (4) on oil pump housing (1), oil inlet hole (3) communicates with gear chamber (4) through inner chamber; On oil pump protecgulum (2), be provided with oil outlet (9), fuel-displaced oil duct (10), oil outlet (9) is communicated with gear chamber (4) through oil duct (8), oil duct (8) is provided with pressure-limit valve mounting hole (12), and fuel-displaced oil duct (10) is provided with the oilhole (11) that is communicated with the diesel engine main oil gallery; Being provided with the draining chamber that is communicated on the fuel-displaced oil duct (10) on the oil pump protecgulum (2), be provided with pressure drainage device (5) in the draining chamber, the draining chamber is provided with the oil outlet (6) towards oil sump, is provided with oil passageway (7) between draining chamber and the oil duct (8).
2. the whole diesel engine lubricating oil pump housing according to claim 1 is characterized in that described pressure drainage device (5) is a pressure-limit valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200214218U CN201050390Y (en) | 2007-04-21 | 2007-04-21 | Integral diesel engine oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200214218U CN201050390Y (en) | 2007-04-21 | 2007-04-21 | Integral diesel engine oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201050390Y true CN201050390Y (en) | 2008-04-23 |
Family
ID=39336876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200214218U Expired - Lifetime CN201050390Y (en) | 2007-04-21 | 2007-04-21 | Integral diesel engine oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201050390Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915139A (en) * | 2010-06-30 | 2010-12-15 | 奇瑞汽车股份有限公司 | Oil pump and method for lubricating chain of gear chamber |
| CN101639063B (en) * | 2009-08-21 | 2011-01-26 | 深圳益宝实业有限公司 | Gear type oil pump |
| CN101435529B (en) * | 2008-12-17 | 2011-07-13 | 奇瑞汽车股份有限公司 | Engine oil pump |
| CN103939173A (en) * | 2014-04-14 | 2014-07-23 | 奇瑞汽车股份有限公司 | Oil pump for engine |
| CN106764368A (en) * | 2015-11-23 | 2017-05-31 | 湖南机油泵股份有限公司 | A kind of novel gear type oil pump |
-
2007
- 2007-04-21 CN CNU2007200214218U patent/CN201050390Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435529B (en) * | 2008-12-17 | 2011-07-13 | 奇瑞汽车股份有限公司 | Engine oil pump |
| CN101639063B (en) * | 2009-08-21 | 2011-01-26 | 深圳益宝实业有限公司 | Gear type oil pump |
| CN101915139A (en) * | 2010-06-30 | 2010-12-15 | 奇瑞汽车股份有限公司 | Oil pump and method for lubricating chain of gear chamber |
| CN103939173A (en) * | 2014-04-14 | 2014-07-23 | 奇瑞汽车股份有限公司 | Oil pump for engine |
| CN106764368A (en) * | 2015-11-23 | 2017-05-31 | 湖南机油泵股份有限公司 | A kind of novel gear type oil pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080423 |
|
| CX01 | Expiry of patent term |