CN201934163U - Engine lubricating oil circuit structure - Google Patents
Engine lubricating oil circuit structure Download PDFInfo
- Publication number
- CN201934163U CN201934163U CN2011200535906U CN201120053590U CN201934163U CN 201934163 U CN201934163 U CN 201934163U CN 2011200535906 U CN2011200535906 U CN 2011200535906U CN 201120053590 U CN201120053590 U CN 201120053590U CN 201934163 U CN201934163 U CN 201934163U
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- Prior art keywords
- cylinder block
- crankcase
- lubricating oil
- bolt passage
- passage
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Abstract
The utility model relates to an engine lubricating oil circuit structure, comprising an air cylinder head, an air cylinder body and a crankcase which are connected in sequence. The right half part of the crankcase comprises an oil pump chamber. The air cylinder body comprises an air cylinder body chain sub-chamber, a near-end bolt channel closer to the air cylinder body chain sub-chamber and a long-distance bolt channel farther away from the air cylinder body chain sub-chamber. The engine lubricating oil circuit structure further comprises an oil supply channel, which is respectively communicated with the oil pump chamber and the air cylinder body near-end bolt channel. Accordingly, the air cylinder body can be cooled uniformly by means of lubricating oil so that the service life of the engine is prolonged. The engine lubricating oil circuit structure provided by the utility model has the advantages that the lubricating oil of a lubricating oil source is introduced to the long-distance bolt channel of the air cylinder through the oil supply channel so that the left and the right half parts of the engine can be cooled properly, and thus, the air cylinder body is cooled uniformly by means of the lubricating oil and the service life of the engine is prolonged.
Description
Technical field
The utility model relates to a kind of lubricant oil road structure, refers to a kind of engine lubricating oil channel structures that is applicable to locomotive especially.
Background technique
With reference to figure 1, be known engine lubricating oil circuit schematic representation.Engine is mainly by cylinder head 10, cylinder block 11, crankcase 12 be combined intos, and crankcase 12 is again by crankcase left side 121, constitutes jointly with crankcase right-hand part 122.Known forced air cooling engine can dispose a fan 13 and be positioned at engine crankcase right-hand part 122, via wind scooper cooling air is directed to cylinder block 11 and cylinder head 10, by this engine heat is taken away.Yet because of the reason of cooling blast direction, being positioned near drive chain 14 1 sides is that the radiating effect in engine left side is the poorest.
On the other hand, the configuration of oil pump 15 is arranged in the machine oil pump chamber 151 of graphic engine right crankcase 122 mostly, just away from a side of drive chain chamber 141, so that design is laid particular stress in the oil duct path of lubricant oil usually is half side on the engine right side.Lubricant oil slave oil pump room flow to the bolt passage on cylinder block 11 right sides, is directed at cam mechanism chamber 101 at last with lubricated cam mechanism 102.
Referring to figs. 2 to Fig. 4, be respectively the side view of known right crankcase and top view, and known cylinder block bottom view.The right crankcase top is provided with two bolt hole 17A as seen from Figure 3,17B, cylinder block has provided four bolt hole 18A as seen from Figure 4,18B, 19A, a 19B and a cylinder block chain seed cell 20, wherein near the bolt hole 19A of cylinder block chain seed cell 20,19B claims near-end bolt passage, and away from the bolt hole 18A of cylinder block chain seed cell 20,18B claims long-range bolt passage.When crankcase combined with cylinder block 11, the bolt hole 17A of right crankcase, 17B corresponded to the bolt hole 18A of cylinder block, 18B.
Following the stating in known lubricant oil path: slave oil pump room 151 to open top 16, enters bolt hole 18A (the long-range bolt passage of cylinder block) through being arranged with in the groove 161 of cylinder block 11 bottoms through an inner passage 21 again.Because lubricant oil is simultaneously also played the part of the role of cooling fluid, thus the cooling effect of lubricant oil countercylinder body 11, cylinder head 10 also have about uneven phenomenon.
Comprehensively above-mentioned, known engine have heat radiation inhomogeneous, cause the uneven situation of thermal expansion amount, reduced piston and piston ring adaptation with respect to cylinder block, have a strong impact on engine life.
The model utility content
A purpose of the present utility model is that a kind of engine lubricating oil channel structures is being provided, can improve the cylinder block uneven phenomenon of dispelling the heat.
For reaching above-mentioned purpose, engine lubricating oil channel structures of the present utility model comprises a cylinder head, a cylinder block, reaches a crankcase.The said cylinder body is incorporated into cylinder head, is incorporated into crankcase in the bottom in the top, and including a cylinder block chain seed cell, a cylinder block near-end bolt passage, and the long-range bolt passage of a cylinder block, cylinder block near-end bolt passage is meant near the cylinder block chain person of seed cell.
Above-mentioned crankcase comprise a crankcase left side, with a crankcase right-hand part.The crankcase left side includes a crankcase chain seed cell, a crankcase near-end bolt passage, and the crankcase right-hand part includes the long-range bolt passage of a crankcase, an inner passage, reaches a machine oil pump chamber.Long-range bolt passage of crankcase and machine oil pump chamber are linked up in the inner passage, and crankcase near-end bolt passage means near the crankcase chain person of seed cell.
Above-mentioned crankcase chain seed cell is communicated in cylinder block chain seed cell, and crankcase near-end bolt channel connection is in cylinder block near-end bolt passage, and the long-range bolt channel connection of crankcase is in the long-range bolt passage of cylinder block.
The engine lubricating oil channel structures also comprises an oil supply gallery, is to be communicated with machine oil pump chamber and cylinder block near-end bolt passage respectively.Can allow by this cylinder block long-range, and near-end bolt passage accept the cooling of lubricant oil simultaneously, reach the purpose of cylinder block cooling balance.
Said cylinder body near-end bolt passage can include two subchannels of being separated by and being provided with.In addition, cylinder block can be concaved with a cylinder block bottom groove in the bottom, and two subchannels see through the cylinder block bottom groove and are connected.The said cylinder body also can include one first cylinder block top groove in its top, and two subchannels see through the first cylinder block top groove and are connected.Above-mentioned feature all can allow the cylinder block cooling effect more average.
Cylinder block can include one second cylinder block top groove again in its top, and this second cylinder block top groove is communicated with long-range bolt passage of cylinder block and cylinder block near-end bolt passage respectively, allows the lubricant oil circulating path of passing through by this.
Above-mentioned oil supply gallery can comprise inner passage, and the interconnection channel of crankcase right-hand part, and interconnection channel is to be diverged out and extended to the crankcase left side by the inner passage.Utilize this kind design, can allow whole oil circuit all belong to the built-in type oil circuit.
Another kind of design alternative, oil supply gallery can be an external entity pipeline, and external entity pipeline for example is a flexible pipe.
Said cylinder body bottom can more be concaved with a cylinder block bottom groove, is to link up interconnection channel and cylinder block near-end bolt passage.
The utility model has the advantages that, the lubricant oil of source of lubrication sees through an oil supply gallery and is directed to the long-range bolt passage of cylinder block, make engine left and right sides halves all obtain suitable cooling, so cylinder block left side right-hand part all can obtain the cooling of lubricant oil, lifting engine life.
Description of drawings
Fig. 1 is known engine lubricating oil circuit schematic representation.
Fig. 2 is the side view of known right crankcase.
Fig. 3 is the top view of known right crankcase.
Fig. 4 is known cylinder block bottom view.
Fig. 5 is the engine sectional view of the utility model first preferred embodiment.
Fig. 6 is the engine lubricating oil circuit schematic representation of the utility model first preferred embodiment.
Fig. 7 is the right crankcase side view of the utility model first preferred embodiment.
Fig. 8 is the crankcase top view of the utility model first preferred embodiment.
Fig. 9 is the cylinder block bottom view of the utility model first preferred embodiment.
Figure 10 is the cylinder block top view of the utility model first preferred embodiment.
Figure 11 is the cylinder head bottom view of the utility model first preferred embodiment.
Figure 12 is the engine lubricating oil circuit schematic representation of the utility model second preferred embodiment.
The primary component symbol description
Cylinder head cam mechanism chambers 101 10
Crankcase 12 crankcase left sides 121
Crankcase right-hand part 122 fans 13
Open top 16 bottom grooves 161
Cylinder head 30 inner passages 21
Cam mechanism cam mechanism chambers 301 302
Piston rod group 312 piston chamber 311
32 cylinder block chain seed cells 313, crankcase left side
Crankcase right-hand part 33 crankcase chain seed cells 321
Bent axle 34 open tops 333,334
Drive chain 35 crankshaft room 341
Machine oil pump chamber 361 oil pump 36
Inward channel 373 is to external chennel 372
Long-range subchannel crankshaft bearing 38
40C, 40D, 41C, 41D, 42C, 42D near-end subchannel
External entity pipeline 50 40A, 40B, 41A, 41B, 42A, 42B
The first cylinder block bottom groove B1 cylinder block near-end bolt passage 51
The second cylinder block bottom groove B2, the first cylinder block top groove T1
The second cylinder block bottom groove B3, the second cylinder block top groove T2
Embodiment
The utility model mainly sees through the lubricant oil of a source of lubrication one oil supply gallery and is directed to the long-range bolt passage of cylinder block, makes engine left and right sides halves all obtain suitable cooling.Special two kinds of kenels that propose above-mentioned oil supply gallery in this specification: internal oil passages type, and external oil circuit type.
With reference to figure 5, be the engine sectional view of first preferred embodiment.Locomotive engine includes from top to bottom the cylinder head 30 that links in regular turn, a cylinder block 31, an and crankcase, and wherein crankcase is by a crankcase left side 32 and a crankcase right-hand part 33 be combined intos.Crankcase right-hand part 33 comprises a right crankcase 331 and a right crankcase cover 332.
Including a cam mechanism chamber 301 in the cylinder head 30, is to be installed with a cam mechanism 302, in order to the intake and exhaust of Control Engine.Include a piston chamber 311 in the cylinder block 31, it has been installed with a piston rod group 312.Including a crankshaft room 341 in the crankcase, is to be defined by right crankcase 331 and crankcase left side 32, wherein has been installed with a bent axle 34.
In crankcase left side 32, also include a crankcase chain seed cell 321, and cylinder head 30 also includes a cylinder head chain seed cell 303 respectively with cylinder block 31, reaches a cylinder block chain seed cell 313, above-mentioned three chain seed cells 321,303,313 common constitute hold an one of drive chain 35 drive chain chamber, drive chain 35 is in order to the rotating power that transmits bent axle 34 cam mechanism 302 to cylinder head 30.
With reference to figure 6 and Fig. 7, be the utility model first embodiment's engine internal lubricating oil path schematic representation, and right crankcase side view.Fig. 7 can find out the machine oil pump chamber 361 (as a source of lubrication) that holds oil pump 36 in the right crankcase 332, an and inner passage 37, and wherein inner passage 37 is formed with three fork paths: interconnection channel 371, to external chennel 372, inward channel 373.Interconnection channel 371 extends to crankcase left side 32 and opening, open top 334 as shown; To external chennel 372 end openings in right crankcase 332 tops, open top 333 as shown; Inward channel 373 end openings are in crankshaft bearing 38.Fig. 6 shows that present embodiment is to diverge out an oil duct (comprising interconnection channel 371) to link up long-range bolt passage from known right crankcase 332 interior inner passages 37, reaches engine left and right sides halves cooling balance by this.
, be respectively crankcase top view, cylinder block bottom view and top view, reach the cylinder head bottom view to Figure 11 with reference to figure 8.Cylinder head 30, cylinder block 31, and the binding of crankcase fixedly be to see through bolt to pass the three simultaneously and reach, so all be provided with the bolt hole that holds bolt on above-mentioned each parts.Specifically, cylinder head 30 is provided with a cylinder head near-end bolt passage and (comprises two near- end subchannel 42A, 42B), reach the long-range bolt passage of a cylinder head and (comprise two long- range subchannel 42C, 42D), cylinder block 31 has provided a cylinder block near-end bolt passage and (has comprised two near- end subchannel 41A, 41B), reach the long-range bolt passage of a cylinder block and (comprise two long- range subchannel 41C, 41D), crankcase has provided a crankcase near-end bolt passage and (has comprised two near- end subchannel 40A, 40B), the long-range bolt passage of a crankcase (comprises two long- range subchannel 40C, 40D).So-called near-end bolt passage is meant compared to the bolt hole of the more close drive chain chamber of long-range bolt passage.
Therefore each parts all has four bolt passages and splits in four corners.Two crankcase near- end subchannel 40A, 40B is provided in a side of crankcase left side 32 (left crankcase), the long-range subchannel 40C of two crankcases, 40D then is provided in a side of right crankcase 331.When the engine assembling is finished, near- end subchannel 40A, 41A, 42A is connected, near- end subchannel 40B, 41B, 42B is connected, long- range subchannel 40C, 41C, 42C is connected, long- range subchannel 40D, 41D, 42D is connected.
Specifically, the cylinder block bottom is concaved with one first cylinder block bottom groove B1, and it is with two cylinder block near- end subchannel 41A, and 41B is connected, and so can allow lubricant oil travel two cylinder block near- end subchannel 41A, 41B.
In addition, in the present embodiment, have only the bolt passage of cylinder block not have worm structure so that transmit lubricant oil, and the bolt passage of crankcase and cylinder head all is the hole of whole section tool worm structure, mainly be responsible for the function that screws togather, be difficult to transmit lubricant oil, so the cylinder block bottom also is concaved with one second cylinder block bottom groove B2, and one the 3rd cylinder block bottom groove B3, wherein the second cylinder block bottom groove B2 links up crankcase open top 333 and the long-range subchannel 41C of cylinder block, the 3rd cylinder block bottom groove B3 links up crankcase open top 334 and cylinder block near-end subchannel 41B, so can make the lubricant oil crankcase of flowing through in regular turn smoothly, cylinder block 31.
From the above, a wherein path of the lubricant oil that comes out in slave oil pump room 361 is as follows: inner passage 37, interconnection channel 371, the 3rd cylinder block bottom groove B3 (three constitutes an oil supply gallery that connects source of lubrication and cylinder block near-end bolt passage jointly), lubricant oil enters two cylinder block near- end subchannel 41A, 41B simultaneously afterwards.Therefore cylinder block 31 left right-hand parts all can obtain the cooling of lubricant oil, promote engine life.
In Figure 10, more can see the first cylinder block top groove T1 that the cylinder block top is arranged with, and one second cylinder block top groove T2, wherein the first cylinder block top groove T1 links up two cylinder block near- end subchannel 41A, 41B, the second cylinder block top groove T2 links up cylinder block near-end subchannel 41A and the long-range subchannel 41C of cylinder block, makes lubricant oil finally all can flow to cam mechanism chamber 301.
With reference to Figure 12, be second embodiment's engine lubricating oil circuit schematic representation.This embodiment is mainly emphasizing that also can be the external entity pipeline 50 that is positioned at the engine outside with lubricant oil from the oil circuit that source of lubrication is passed to cylinder block near-end bolt passage 51, for example generally is used to send the flexible pipe of oil.
Claims (8)
1. engine lubricating oil channel structures comprises:
One cylinder head;
One crankcase, comprise a crankcase left side, with a crankcase right-hand part, this crankcase left side includes a crankcase chain seed cell, a crankcase near-end bolt passage, this crankcase right-hand part includes the long-range bolt passage of a crankcase, an inner passage, reaches a machine oil pump chamber, the long-range bolt passage of this crankcase and this machine oil pump chamber are linked up in this inner passage, and this crankcase near-end bolt passage is near this crankcase chain seed cell; And
One cylinder block, be incorporated into this cylinder head in the top, be incorporated into this crankcase in the bottom, include a cylinder block chain seed cell, a cylinder block near-end bolt passage, reach the long-range bolt passage of a cylinder block, this cylinder block near-end bolt passage is near this cylinder block chain seed cell
Wherein, this crankcase chain seed cell is communicated in this cylinder block chain seed cell, and this crankcase near-end bolt channel connection is in this cylinder block near-end bolt passage, and the long-range bolt channel connection of this crankcase is in the long-range bolt passage of this cylinder block;
It is characterized in that:
This engine lubricating oil channel structures more comprises an oil supply gallery, is to be communicated with this machine oil pump chamber and this cylinder block near-end bolt passage respectively.
2. engine lubricating oil channel structures as claimed in claim 1, it is characterized in that this cylinder block is concaved with a cylinder block bottom groove in its bottom, and this cylinder block near-end bolt passage includes two subchannels of being separated by and being provided with, and this two subchannel sees through this cylinder block bottom groove and is connected.
3. engine lubricating oil channel structures as claimed in claim 1, it is characterized in that this cylinder block includes one first cylinder block top groove in its top, and this cylinder block near-end bolt passage includes two subchannels of being separated by and being provided with, and this two subchannel sees through this first cylinder block top groove and is connected.
4. engine lubricating oil channel structures as claimed in claim 1, it is characterized in that this cylinder block more includes one second cylinder block top groove in its top, this second cylinder block top groove is communicated with the long-range bolt passage of this cylinder block and this cylinder block near-end bolt passage respectively.
5. engine lubricating oil channel structures as claimed in claim 1 is characterized in that this oil supply gallery comprises this inner passage, reaches an interconnection channel, and this interconnection channel is diverged out by this inner passage and extends to this crankcase left side.
6. engine lubricating oil channel structures as claimed in claim 5 is characterized in that this cylinder block bottom more is concaved with a cylinder block bottom groove, is to link up this interconnection channel and this cylinder block near-end bolt passage.
7. engine lubricating oil channel structures as claimed in claim 1 is characterized in that this oil supply gallery is an external entity pipeline.
8. engine lubricating oil channel structures as claimed in claim 7 is characterized in that this external entity pipeline is a flexible pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200535906U CN201934163U (en) | 2011-02-25 | 2011-02-25 | Engine lubricating oil circuit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200535906U CN201934163U (en) | 2011-02-25 | 2011-02-25 | Engine lubricating oil circuit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201934163U true CN201934163U (en) | 2011-08-17 |
Family
ID=44445684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200535906U Expired - Fee Related CN201934163U (en) | 2011-02-25 | 2011-02-25 | Engine lubricating oil circuit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201934163U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679124A (en) * | 2012-05-18 | 2012-09-19 | 中山市亚泰机械实业有限公司 | Lubricating coil feeding system of engine |
-
2011
- 2011-02-25 CN CN2011200535906U patent/CN201934163U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679124A (en) * | 2012-05-18 | 2012-09-19 | 中山市亚泰机械实业有限公司 | Lubricating coil feeding system of 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: 20110817 Termination date: 20160225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |