CN201065777Y - Automobile engine - Google Patents
Automobile engine Download PDFInfo
- Publication number
- CN201065777Y CN201065777Y CNU2007202008183U CN200720200818U CN201065777Y CN 201065777 Y CN201065777 Y CN 201065777Y CN U2007202008183 U CNU2007202008183 U CN U2007202008183U CN 200720200818 U CN200720200818 U CN 200720200818U CN 201065777 Y CN201065777 Y CN 201065777Y
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- Prior art keywords
- oil
- communicates
- oil duct
- duct
- cylinder
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- Expired - Fee Related
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- Lubrication Of Internal Combustion Engines (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses an automobile engine, comprising a cylinder body, a cylinder cover and an oil sump case arranged at the bottom of the cylinder body, which is characterized in that: an oil channel communicated with the oil sump case is arranged in the cylinder body, an engine oil pump is arranged on the channel where the oil channel is communicated with the oil sump case, and the oil channel is formed by connecting a plurality of oil pipes. The utility model has the advantages that: by making the oil channel with a plurality of oil pipes, the sealing performance of oil channgel is effectively enhanced, and oil leakage can be prevented; meanwhile, for the same reason, the procedures in the subsequential machining of the cylinder body of the engine are greatly reduced, and the production cycle is shortened; by means of a main oil channel, an inclined oil channel, a cylinder vertical oil channel and an oil return channel, the engine oil can lubricate all the parts of the automobile engine after entering the oil channel, so as to guarantee the normal operation of the engine. Therefore, the utility model is suited to be popularized and applied in the engines of various automobiles.
Description
Technical field
The utility model relates to a kind of component of automobile work, especially relates to a kind of motor car engine.
Background technique
At present, because a large amount of foundry goods that use in the automobile, in recent years, along with the develop rapidly of automobile industry, the casting industry of China had also obtained fast development.The demand of following automobile market both at home and abroad is with sustainable growth, and automobile also will constantly increase the demand of foundry goods.Engine cylinder-body is a foundry goods most important, the most complicated on the automobile, and engine cylinder-body wall thickness thinnest part needs to process a lot of holes less than 3mm on the cylinder body, and cylinder interior is furnished with oil duct, water channel, complex structure.Cylinder blank generally obtains by casting, and is higher to the technical requirements of casting.Because pore, shrinkage porosite and defectives such as shrinkage cavity, crackle appear in casting characteristics, cylinder blank easily when casting, therefore the oil duct of cylinder interior, water channel leak easily, and tightness does not reach requirement.The oil duct wall of cylinder body is thin, oil duct inner engine oil pressure is big, compares easier leakage of oil duct of cylinder body when the cast blocks blank with cylinder block passage, cylinder body requires also to be higher than the tightness requirement of cylinder body to water channel far away to the tightness of oil duct, so the oil duct leakproof of cylinder body is particularly important; Traditional cylinder-body oil duct is formed when casting by cylinder blank or is formed by machining after casting, and the cylinder blank of conventional cylinder body structure can be processed some and is used for the opening of purposes such as sand removal adding man-hour on cylinder-body oil duct, when assembling, need and stop up these oil duct openings are blocked with steel ball, make the manufacturing procedure complexity, the also corresponding increase of assembly process and component.Using on the material, with high-strength gray cast iron or vermicular cast iron, the cylinder blank yield rate was higher mostly for engine cylinder-body in the past, but the cylinder body quality is heavy, and it is bad to dispel the heat.Nowadays, along with the light-weighted development of automobile, the cylinder body of new materials such as use aluminum alloy is more and more.Compare with cast iron housing, adopt cylinder body light weight, the good heat dissipation effect of new material, replace the development trend that cast iron housing has become contemporary automobile with new material cylinder bodies such as aluminum alloys.But the cylinder blank of these new materials is easier pore, shrinkage porosite and the defectives such as shrinkage cavity, crackle of occurring when casting, and the blank up-to-standard rate is lower, and higher reject rate has caused a large amount of wastes of the energy and resource.
The model utility content
Technical problem to be solved in the utility model provides a kind of motor car engine that can effectively improve the oil channel sealing performance.
The technological scheme that its technical problem that solves the utility model adopts is: motor car engine, the oil sump that comprises cylinder body, cylinder cap and cylinder base, in cylinder body, be provided with the oil duct that communicates with oil sump, the passage that oil duct communicates with oil sump is provided with oil pump, and described oil duct is interconnected to constitute by oil pipe.By oil duct is made with oil pipe, make and can effectively improve the oil channel sealing performance, prevent to reveal, simultaneously, after oil duct is made with oil pipe, can significantly reduce the operation of engine cylinder-body in follow-up machining, shorten the manufacturing cycle.
Further be, described oil duct comprises main oil gallery, tiltedly oil duct, cylinder cap found oil duct and back oil road, main oil gallery is connected with oil pump, tiltedly oil duct is connected with main oil gallery with an end of the upright oil duct of cylinder cap, tiltedly the other end of oil duct is communicated with the crankshaft link rod motion parafacies, the other end of the upright oil duct of cylinder cap communicates with the oil duct of cylinder cap, and back oil road connects cylinder cap and communicates with oil sump.
Further be that the path that main oil gallery communicates with oil pump is provided with oil filter.
Further be, described back oil road comprises many branch return tubes and a main return tube, and an end of many branch return tubes communicates with the oil duct of cylinder cap, and the other end communicates with main return tube, and main return tube communicates with oil sump.
Further be, described back oil road comprises many branch return tubes, and an end of many branch return tubes communicates with the oil duct of cylinder cap, and the other end communicates with oil sump.
Further be that the path that oil pump communicates with oil sump is provided with sump strainer.
Further be that described oil pipe is a circular pipe.
Further be that the outer surface of tube body of described oil pipe is uneven shape.
Further be that the inner surface of tube body of described oil pipe is a smooth surface.
The beneficial effects of the utility model are: by oil duct is made with oil pipe, make and can effectively improve the oil channel sealing performance, prevent to reveal, simultaneously, after oil duct is made with oil pipe, can significantly reduce the operation of engine cylinder-body in follow-up machining, shorten the manufacturing cycle.And by the main oil gallery that is provided with, oblique oil duct, the upright oil duct of cylinder cap and back oil road etc., can guarantee can each parts of engine cylinder-body to be lubricated after machine oil enters oil duct, guarantee working well of motor, be particluarly suitable for promoting the use of above the motor of various automobiles.
Description of drawings
Fig. 1 is a structure diagram of the present utility model.
Fig. 2 is the oil duct layout sketch in the utility model.
Fig. 3 is the another kind of oil duct layout sketch in the utility model.
Be labeled as cylinder body 1, oil duct 2, oil pump 3, oil sump 4, oblique oil duct 5, the upright oil duct 6 of cylinder cap, main oil gallery 7, back oil road 8, main return tube 9, crankshaft link rod motion pair 10, cylinder cap 11, oil filter 12, branch return tube 13, sump strainer 14 among the figure.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As Fig. 1, Fig. 2, shown in Figure 3, motor car engine of the present utility model, the oil sump 4 that comprises cylinder body 1, cylinder cap 11 and cylinder body 1 bottom, in cylinder body 1, be provided with the oil duct 2 that communicates with oil sump 4, the passage that oil duct 2 communicates with oil sump 4 is provided with oil pump 3, and described oil duct 2 is interconnected to constitute by oil pipe.By oil duct 2 usefulness oil pipes are made, the feasible sealability that can effectively improve oil duct 2, prevent to reveal, simultaneously, after oil duct 2 usefulness oil pipes are made, can significantly reduce the operation of engine cylinder-body in follow-up machining, shorten the manufacturing cycle, interconnect as oil duct, can cancel the machining of oblique oil duct 5 as adopting oil pipe, need on oil duct, not process the opening that is used for purposes such as sand removal yet, shorten the manufacturing cycle greatly.
In the above-described embodiment, the oil duct 2 of engine cylinder-body can realize that the each several part of cylinder body 1 is lubricated by multiple Placement, as preferred embodiment, described oil duct 2 comprises main oil gallery 7, tiltedly oil duct 5, cylinder cap found oil duct 6 and back oil road 8, main oil gallery 7 is connected with oil pump 3, tiltedly oil duct 5 is connected with main oil gallery 7 with an end of the upright oil duct 6 of cylinder cap, tiltedly the other end of oil duct 5 is connected with crankshaft link rod motion pair 10, the other end of the upright oil duct 6 of cylinder cap communicates with the oil duct of cylinder cap 11, and back oil road 8 connects cylinder cap 9 and communicates with oil sump 4.By the main oil gallery 7 that is provided with, oblique oil duct 5, upright oil duct 6 of cylinder cap and back oil road 8, make lubricating oil path form complete circulation canal, guarantee can each parts of motor car engine to be lubricated after machine oil enters oil duct 2, guarantee working well of motor.In this embodiment, its circulation loop is achieved in that the machine oil in the oil sump 4 enters into main oil gallery 7 after oil pump 3 pressurizations, wherein a part of machine oil is by oblique oil duct 5 lubricated crankshaft link rod motion pairs 10, and machine oil is directly got back in the oil sump 4 after crankshaft link rod motion secondary 10 is lubricated; Another part machine oil is lubricated the kinematic pair on the cylinder cap 11 by the oil duct that the upright oil duct 6 of cylinder cap enters on the cylinder cap 11, and flows back to the oil sump 4 from back oil road 8.Wherein oil duct on the cylinder cap 11 and the oil duct on the crankshaft link rod motion pair 10 are to form in casting.
Impurity in the machine oil causes the wearing and tearing of each moving element when lubricated, the path that main oil gallery 7 communicates with oil pump 3 is provided with oil filter 12.So just can guarantee the good lubrication of machine oil so that machine oil before entering main oil gallery 7, falls the contaminant filter in the machine oil by oil filter 12 to each moving element.Certainly, oil filter 12 also can be to be set directly on the main oil gallery 7, as shown in Figure 3, make a part of machine oil by oil filter 12 filterings, and another part directly is lubricated to each moving element.
In order will fully to recycle to the machine oil behind each component lubrication of cylinder cap 11, as preferred embodiment, described back oil road 8 comprises many branch return tubes 13 and a main return tube 9, one end of many branch return tubes 13 communicates with the oil duct of cylinder cap 11, the other end communicates with main return tube 9, and main return tube 9 communicates with oil sump 4.Make that the machine oil behind each component lubrication of cylinder cap 11 is flowed to main return tube 9 backs by three branch return tubes 13 is flowing back to oil sump 4 again, as another preferred embodiment, described back oil road 8 comprises many branch return tubes 13, one end of many branch return tubes 13 communicates with the oil duct of cylinder cap 11, and the other end communicates with oil sump 4.Make the machine oil behind each component lubrication of cylinder cap 11 is directly flowed back in the oil sump 4 by three branch return tubes 13.Certainly in these two kinds of mode of executions, the situation that specifically is provided with of branch return tube 13 should be suitable with the drainback passage on the cylinder cap 11.
In order to improve the lubricating quality of machine oil better, the path that oil pump 3 links to each other with oil sump 4 is provided with sump strainer 14.Make machine oil when oil sump 4 is drawn into oil pump 3, can carry out primary filter, can further improve engine oil quality by sump strainer 14.
In the above embodiment, the oil pipe that oil pipe can adopt the different cross section form all can, but for the ease of with the assembling of each parts, as preferred mode, described oil pipe is a circular pipe.And in order to guarantee that oil pipe combines with cylinder body 1 firmly, the outer surface of tube body of described oil pipe is uneven shape, is set to corrugated or some bumps that protrude from outer surface of tube body etc. are set as outer surface of tube body that can oil pipe; And in order to reduce the flow resistance of machine oil in oil pipe, the inner surface of tube body of described oil pipe is a smooth surface.
Claims (9)
1. motor car engine, the oil sump (4) that comprises cylinder body (1), cylinder cap (11) and cylinder body (1) bottom, in cylinder body (1), be provided with the oil duct (2) that communicates with oil sump (4), the passage that oil duct (2) communicates with oil sump (4) is provided with oil pump (3), it is characterized in that: described oil duct (2) is interconnected to constitute by oil pipe.
2. motor car engine as claimed in claim 1, it is characterized in that: described oil duct (2) comprises main oil gallery (7), tiltedly oil duct (5), cylinder cap found oil duct (6) and back oil road (8), main oil gallery (7) is connected with oil pump (3), tiltedly oil duct (5) is connected with main oil gallery (7) with an end of the upright oil duct (6) of cylinder cap, tiltedly the other end of oil duct (5) is connected with crankshaft link rod motion pair (10), the other end that cylinder cap founds oil duct (6) communicates with the oil duct of cylinder cap (11), and back oil road (8) connects cylinder cap (9) and communicates with oil sump (4).
3. motor car engine as claimed in claim 2 is characterized in that: the path that main oil gallery (7) communicates with oil pump (3) is provided with oil filter (12).
4. motor car engine as claimed in claim 2, it is characterized in that: described back oil road (8) comprises many branch return tubes (13) and a main return tube (9), one end of many branch return tubes (13) communicates with the oil duct of cylinder cap (11), the other end communicates with main return tube (9), and main return tube (9) communicates with oil sump (4).
5. motor car engine as claimed in claim 2 is characterized in that: described back oil road (8) comprises many branch return tubes (13), and an end of many branch return tubes (13) communicates with the oil duct of cylinder cap (11), and the other end communicates with oil sump (4).
6. motor car engine as claimed in claim 1 is characterized in that: the path that oil pump (3) communicates with oil sump (4) is provided with sump strainer (14).
7. according to any described motor car engine of claim in the claim 1～6, it is characterized in that: described oil pipe is a circular pipe.
8. motor car engine as claimed in claim 7 is characterized in that: the outer surface of tube body of described oil pipe is uneven shape.
9. motor car engine as claimed in claim 7 is characterized in that: the inner surface of tube body of described oil pipe is a smooth surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007202008183U CN201065777Y (en) | 2007-08-14 | 2007-08-14 | Automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007202008183U CN201065777Y (en) | 2007-08-14 | 2007-08-14 | Automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201065777Y true CN201065777Y (en) | 2008-05-28 |
Family
ID=39482953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007202008183U Expired - Fee Related CN201065777Y (en) | 2007-08-14 | 2007-08-14 | Automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201065777Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005874A (en) * | 2014-06-09 | 2014-08-27 | 广西玉柴机器股份有限公司 | Lightweight structure of cylinder body |
| CN114576203A (en) * | 2022-03-15 | 2022-06-03 | 奇瑞汽车股份有限公司 | Oil pump and engine |
-
2007
- 2007-08-14 CN CNU2007202008183U patent/CN201065777Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005874A (en) * | 2014-06-09 | 2014-08-27 | 广西玉柴机器股份有限公司 | Lightweight structure of cylinder body |
| CN114576203A (en) * | 2022-03-15 | 2022-06-03 | 奇瑞汽车股份有限公司 | Oil pump and engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080528 Termination date: 20090914 |