CN114109558A - Motorcycle engine lubricating oil passage structure - Google Patents
Motorcycle engine lubricating oil passage structure Download PDFInfo
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- CN114109558A CN114109558A CN202111325159.7A CN202111325159A CN114109558A CN 114109558 A CN114109558 A CN 114109558A CN 202111325159 A CN202111325159 A CN 202111325159A CN 114109558 A CN114109558 A CN 114109558A
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- oil
- inlet channel
- oil inlet
- feed passageway
- lubricating oil
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- 239000010687 lubricating oil Substances 0.000 title claims abstract description 52
- 239000003921 oil Substances 0.000 claims abstract description 194
- 230000008859 change Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000000712 assembly Effects 0.000 claims description 13
- 238000000429 assembly Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005461 lubrication Methods 0.000 abstract description 2
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 230000001050 lubricating effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/02—Arrangements of lubricant conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/08—Lubricating systems characterised by the provision therein of lubricant jetting means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/10—Lubrication of valve gear or auxiliaries
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/18—Other cylinders
- F02F1/20—Other cylinders characterised by constructional features providing for lubrication
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- General Details Of Gearings (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
本发明公开了一种摩托车发动机润滑油道结构，左箱体上部设有依次连通的第一缓冲腔室、第三进油通道和左缓冲腔槽，左箱体侧部设有第二进油通道，该第二进油通道上端与第一缓冲腔室连通，下端与所述第一进油通道连通，所述右箱体上设有右缓冲腔槽，该右缓冲腔槽与所述左缓冲腔槽正对，并合围形成第二缓冲腔室。本发明的有益效果是：通过设置第一缓冲腔室和第二缓冲腔室，能够降低进入变速副轴和变速主轴的油压，保证润滑油在整个发动机箱体内部分布更加均匀，有助于改善发动机整体的润滑性能。
The invention discloses a motorcycle engine lubricating oil channel structure. The upper part of the left box body is provided with a first buffer chamber, a third oil inlet channel and a left buffer chamber groove which are connected in sequence, and a second inlet channel is arranged on the side of the left box body an oil channel, the upper end of the second oil inlet channel is communicated with the first buffer chamber, and the lower end is communicated with the first oil inlet channel. The left buffer chamber groove is directly opposite, and is enclosed to form a second buffer chamber. The beneficial effects of the present invention are: by arranging the first buffer chamber and the second buffer chamber, the oil pressure entering the speed change countershaft and the speed change main shaft can be reduced, so as to ensure that the lubricating oil is distributed more evenly in the entire engine case, which is helpful for Improve the overall lubrication performance of the engine.
Description
Technical Field
The invention relates to a motorcycle engine, in particular to a lubricating oil channel structure of a motorcycle engine.
Background
The engine lubricating oil is the 'blood' of motorcycle engine, and has very important function for improving the operation condition of the engine, such as lubrication, antifriction, cooling, rust prevention, corrosion prevention, buffering and shock absorption, etc.
In order to make lubricating oil act on each moving part of the engine, oil passages are arranged on parts such as an engine box, a crankshaft, a transmission shaft of a speed change system and the like, and an oil pump works to supply the lubricating oil to each moving part. In the prior art, after lubricating oil is supplied to the interior of the box body through the oil duct, the oil quantity in the transmission shaft area of the speed changing system is redundant to other areas, and the defect of uneven distribution of the lubricating oil exists, so that the lubricating oil path structure of the engine still has a further optimization space.
Disclosure of Invention
In view of the above, the present invention provides a lubricating oil passage structure of a motorcycle engine, which is used to solve the technical problem of uneven distribution of lubricating oil pointed out in the background art.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a motorcycle engine lubricating oil duct structure, includes left box and right box, be equipped with left bent axle supporting hole, left main shaft supporting hole and left countershaft supporting blind hole on the box of a left side, be equipped with right bent axle supporting hole, right main shaft supporting blind hole and right countershaft supporting hole on the box of the right side, install the gear change main shaft on left main shaft supporting hole and the right main shaft supporting blind hole, install the countershaft on left countershaft supporting blind hole and the right countershaft supporting hole, right box lower part is equipped with first oil feed passageway, and left box lower part is equipped with oil return channel, first oil feed passageway and oil return channel all are connected on oil cleaner, and its key lies in:
the upper part of the left box body is provided with a first buffer cavity, a third oil inlet channel and a left buffer cavity groove which are sequentially communicated, the side part of the left box body is provided with a second oil inlet channel, the upper end of the second oil inlet channel is communicated with the first buffer cavity, the lower end of the second oil inlet channel is communicated with the first oil inlet channel, the right box body is provided with a right buffer cavity groove, and the right buffer cavity groove is opposite to the left buffer cavity groove and surrounds to form a second buffer cavity;
the left box body is provided with a left auxiliary shaft supporting blind hole, a left buffer cavity groove and a right buffer cavity groove, the left auxiliary shaft supporting blind hole is arranged on the left box body, the left buffer cavity groove is communicated with the left box body, and the lower end of the left box body is communicated with the right buffer cavity groove;
the variable speed main shaft is provided with an eighth oil inlet channel extending along the axial direction of the variable speed main shaft and a ninth oil inlet channel extending along the radial direction of the variable speed main shaft, the inner end of the ninth oil inlet channel is communicated with the eighth oil inlet channel, the outer end of the ninth oil inlet channel penetrates through the outer surface of the variable speed main shaft, a seventh oil inlet channel is arranged at the position, corresponding to the right main shaft supporting blind hole, of the right box body, the upper end of the seventh oil inlet channel is communicated with the right buffer cavity groove, and the lower end of the seventh oil inlet channel is communicated with the eighth oil inlet channel.
Adopt above-mentioned structure, through setting up first buffer chamber and second buffer chamber, can reduce the oil pressure that gets into change countershaft and change main shaft to avoid the regional lubricating oil of transmission system transmission shaft to be many partially, make lubricating oil more even at whole engine box inside distribution, help improving holistic lubricating property.
Preferably, the method comprises the following steps: tooth surface lubricating oil pipes are transversely arranged above the speed change main shaft and the speed change auxiliary shaft and are communicated with the left buffer cavity groove through a tenth oil channel arranged on the left box body, and oil spraying small holes are distributed in the lower sides of the tooth surface lubricating oil pipes. With the above configuration, the gear of the transmission system can be lubricated on the tooth surface.
Preferably, the method comprises the following steps: the volume of the second buffer chamber is larger than the volume of the first buffer chamber. By adopting the structure, the purpose of further reducing the oil supply resistance can be achieved.
Preferably, the method comprises the following steps: the oil cleaner is installed in right box lower part, and the position that right box corresponds the oil cleaner oil inlet is equipped with two sets of symmetric distribution's reposition of redundant personnel hole, oil return passage is through two sets of reposition of redundant personnel hole links to each other with oil cleaner. By adopting the structure, the oil pressure can be ensured.
Preferably, the method comprises the following steps: the upper end of left side box and right box is equipped with the cylinder body subassembly, and the cylinder body subassembly includes from supreme cylinder body, cylinder head and the cylinder cap that connects gradually down, is equipped with rocking arm oil feed passageway in the cylinder cap, is equipped with cam oil feed passageway in the cylinder head, be equipped with the eleventh oil feed passageway that all communicates with rocking arm oil feed passageway and cam oil feed passageway in the cylinder body subassembly, the eleventh oil feed passageway is through setting up transition passageway and the second oil feed passageway intercommunication on left box upper portion. With the above configuration, mechanical parts such as a rocker arm and a cam at an air supply position of the engine can be lubricated.
Preferably, the method comprises the following steps: the right box body is provided with a twelfth oil inlet channel on the side portion, the first oil inlet channel is provided with a left branch pipe and a right branch pipe, and the left branch pipe and the right branch pipe are communicated with the lower ends of the second oil inlet channel and the twelfth oil inlet channel respectively. The engine is provided with two groups of cylinder body assemblies, wherein the lubricating oil path of one group of cylinder body assemblies is communicated with the second oil inlet channel, and the lubricating oil path of the other group of cylinder body assemblies is communicated with the twelfth oil inlet channel. By adopting the structure, the lubricating oil supply device can simultaneously lubricate and supply oil to the two groups of cylinder body assemblies.
Preferably, the method comprises the following steps: a left annular groove is formed in the wall of the left crankshaft supporting hole, a left shaft sleeve is sleeved in the left crankshaft supporting hole, and an annular cavity defined by the left shaft sleeve and the left annular groove is a part of the second oil inlet channel; and a right annular groove is formed in the wall of the right crankshaft supporting hole, a right shaft sleeve is sleeved in the right crankshaft supporting hole, and an annular cavity formed by the right shaft sleeve and the right annular groove is a part of the twelfth oil inlet channel. With the above structure, the crankshaft can be lubricated.
Preferably, the method comprises the following steps: the left side is equipped with the first nozzle opening with left annular intercommunication in the box, the right side is equipped with the second nozzle opening with right annular intercommunication in the box, first nozzle opening is towards the cylinder body lower extreme of one of them group cylinder body subassembly, and the second nozzle opening is towards the cylinder body lower extreme of another group cylinder body subassembly. With the structure, the bottom of the piston of the engine can be lubricated.
Compared with the prior art, the invention has the beneficial effects that:
1. through setting up first cushion chamber and second cushion chamber, can reduce the oil pressure that gets into countershaft and speed change main shaft, guarantee that lubricating oil is more even in inside distribution of whole engine box, help improving the holistic lubricating property of engine.
2. Oil circuit structural design is reasonable, has that the oil pressure is stable and can lubricate the technical advantage of fuel feeding to the double-cylinder simultaneously.
Drawings
FIG. 1 is a schematic diagram of a two-cylinder engine;
FIG. 2 is an exploded schematic view of a two-cylinder engine;
fig. 3 is a diagram showing the distribution of oil passages of the lubricating oil passages inside the body of the engine component (each of the passages shown in the figure is the hole wall of the corresponding component);
FIG. 4 is a schematic structural diagram of the left box body and a schematic partial cross-sectional diagram reflecting a connection relationship of the first buffer chamber, the third oil inlet channel and the left buffer chamber groove;
FIG. 5 is a schematic cross-sectional view reflecting the structure of a second oil inlet passage on the left case;
FIG. 6 is a schematic structural view of the right box;
FIG. 7 is a partial cross-sectional view of the right case at a first oil intake passage location;
FIG. 8 is a schematic cross-sectional view showing a twelfth oil inlet passage structure in the right casing;
FIG. 9 is a schematic cross-sectional view showing a connection relationship between a right buffer cavity groove and a seventh oil inlet passage on the right casing;
FIG. 10 is a cross-sectional view of the cylinder assembly;
FIG. 11 is a schematic construction of the countershaft;
fig. 12 is a schematic structural view of the shift spindle.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
As shown in fig. 1 and 2, a motorcycle parallel-bar engine comprises a left box body 1 and a right box body 2, two groups of V-shaped distributed cylinder assemblies A are mounted at the upper ends of the left box body 1 and the right box body 2, a left crankshaft support hole 1a, a left main shaft support hole 1b and a left auxiliary shaft support blind hole 1c are arranged on the left box body 1, a right crankshaft support hole 2a, a right main shaft support blind hole 2b and a right auxiliary shaft support hole 2c are arranged on the box body 2, a variable-speed main shaft 3 is mounted on the left main shaft support hole 1b and the right main shaft support blind hole 2b, a variable-speed auxiliary shaft 4 is mounted on the left auxiliary shaft support blind hole 1c and the right auxiliary shaft support hole 2c, and a plurality of transmission gears are sleeved on the variable-speed main shaft 3 and the variable-speed auxiliary shaft 4.
The layout structure of the lubricating oil channel structure of the parallel-bar engine in each part is as follows:
as shown in fig. 6 and 7, a first oil inlet channel a is arranged at the lower part of the right box body 2, a left branch pipe a1 and a right branch pipe a2 are arranged on the first oil inlet channel a, the lower part of the right box body 2 is provided with an oil filter 5, and the first oil inlet channel a is connected to an oil outlet of the oil filter 5.
As shown in fig. 4 and 5, the upper portion of the left box body 1 is provided with a first buffer chamber c, a third oil inlet channel d and a left buffer chamber groove e1 which are sequentially communicated, the lateral portion of the left box body 1 is provided with a second oil inlet channel f, the upper end of the second oil inlet channel f is communicated with the first buffer chamber c, and the lower end of the second oil inlet channel f is communicated with a left branch pipe a1 of the first oil inlet channel a.
As shown in fig. 3 and 6, the right casing 2 is provided with a right buffer cavity groove e2, the right buffer cavity groove e2 is opposite to the left buffer cavity groove e1, and the right buffer cavity groove e2 and the left buffer cavity groove e1 surround to form a second buffer cavity e.
As shown in fig. 11, the countershaft 4 is provided with a fifth oil inlet channel g extending along the axial direction thereof and a sixth oil inlet channel h extending along the radial direction thereof, the inner end of the sixth oil inlet channel h is communicated with the fifth oil inlet channel g, and the outer end thereof penetrates through the outer surface of the countershaft 4, as shown in fig. 4, a fourth oil inlet channel i is provided at a position of the left case body 1 corresponding to the left countershaft support blind hole 1c, the upper end of the fourth oil inlet channel i is communicated with the left buffer cavity groove e1, and the lower end thereof is communicated with the fifth oil inlet channel g.
As shown in fig. 12, the main speed changing shaft 3 is provided with an eighth oil inlet passage j extending along the axial direction thereof and a ninth oil inlet passage k extending along the radial direction thereof, the inner end of the ninth oil inlet passage k is communicated with the eighth oil inlet passage j, and the outer end thereof penetrates through the outer surface of the main speed changing shaft 3, as shown in fig. 9, a seventh oil inlet passage m is provided at a position of the right case body 2 corresponding to the right main shaft supporting blind hole 2b, the upper end of the seventh oil inlet passage m is communicated with the right buffer cavity groove e2, and the lower end thereof is communicated with the eighth oil inlet passage j.
Referring to fig. 3, based on the above oil path layout, when lubricating the transmission main shaft 3 of the transmission system, the flow path of the lubricating oil is: the oil filter 5 → the first oil feed passage a → the left branch pipe a1 → the second oil feed passage f → the first cushion chamber c → the third oil feed passage d → the second cushion chamber e → the seventh oil feed passage m → the eighth oil feed passage j → the ninth oil feed passage k.
When lubricating the transmission counter shaft 4 of the transmission system, the flow path of the lubricating oil is: the oil filter 5 → the first oil feed passage a → the left branch pipe a1 → the second oil feed passage f → the first cushion chamber c → the third oil feed passage d → the second cushion chamber e → the fourth oil feed passage i → the fifth oil feed passage g → the sixth oil feed passage h.
Before the lubricating oil enters the transmission countershaft 4 and the transmission main shaft 3, the lubricating oil needs to pass through the first buffer chamber c and the second buffer chamber e to play a role in reducing pressure, and the regional lubricating oil of a transmission shaft of a transmission system is prevented from being too much, so that the lubricating oil is ensured to be more uniformly distributed in the whole engine box body, and the integral lubricating performance is favorably improved.
As shown in fig. 3 and 4, a tooth surface lubricating oil pipe n is transversely arranged above the shift main shaft 3 and the shift auxiliary shaft 4, the tooth surface lubricating oil pipe n is installed at a mounting point B in fig. 4, the tooth surface lubricating oil pipe n is communicated with a left buffer cavity groove e1 through a tenth oil channel o arranged on the left box body 1, small oil injection holes n1 are distributed on the lower side of the tooth surface lubricating oil pipe n, and the small oil injection holes n1 can spray lubricating oil in the second buffer cavity e onto tooth surfaces of the transmission gear.
As shown in fig. 10, the two sets of cylinder assemblies a each include a cylinder body 6, a cylinder head 7 and a cylinder cover 8 which are sequentially connected from bottom to top, a rocker arm oil inlet passage q is arranged in the cylinder cover 8, a cam oil inlet passage r is arranged in the cylinder head 7, an eleventh oil inlet passage p which is communicated with the rocker arm oil inlet passage q and the cam oil inlet passage r is arranged in the cylinder body assembly 6, and please refer to fig. 5.
Based on the oil circuit layout, when parts of the air supply control mechanism of one group of cylinder block assemblies A of the engine are lubricated, the flow path of lubricating oil is as follows: the oil filter 5 → the first oil feed passage a → the left branch pipe a1 → the second oil feed passage f → the transition passage s → the eleventh oil feed passage p → the rocker arm oil feed passage q and the cam oil feed passage r.
As shown in fig. 8, in order to lubricate the parts of the air supply control mechanism of the other group of cylinder block assemblies a of the engine, a twelfth oil inlet passage t is arranged on the side portion of the right box body 2, a right branch pipe a2 of the first oil inlet passage a is communicated with the lower end of the twelfth oil inlet passage t, and an eleventh oil inlet passage p in the other group of cylinder block assemblies a is also communicated with the upper end of the twelfth oil inlet passage t through a transition passage s.
Based on the oil circuit layout, when parts of the air supply control mechanism of the other group of cylinder block assemblies A of the engine are lubricated, the flow path of lubricating oil is as follows: the oil filter 5 → the first oil feed passage a → the right branch pipe a2 → the twelfth oil feed passage t → the transition passage s → the eleventh oil feed passage p → the rocker arm oil feed passage q and the cam oil feed passage r.
As shown in fig. 3 and 5, a left ring groove f1 is formed on the hole wall of the left crankshaft support hole 1a, a left shaft sleeve 9 is sleeved in the left crankshaft support hole 1a, and an annular chamber enclosed by the left shaft sleeve 9 and the left ring groove f1 is a part of the second oil inlet passage f. As shown in fig. 8, a right ring groove t1 is formed in the wall of the right crankshaft support hole 2a, a right shaft sleeve 10 is sleeved in the right crankshaft support hole 2a, and an annular chamber enclosed by the right shaft sleeve 10 and the right ring groove t1 is a part of the twelfth oil inlet channel t. Furthermore, the crankshaft is also provided with an annular groove at the position corresponding to the left annular groove f1 and the right annular groove t1, and the annular groove, the left annular groove f1 and the right annular groove t1 can enclose a larger oil containing space, so that an oil film is formed, and the crankshaft is lubricated more fully.
As shown in fig. 5 and 8, a first oil injection hole u communicated with the left ring groove f1 is arranged in the left box body 1, a second oil injection hole v communicated with the right ring groove t1 is arranged in the right box body 2, and the first oil injection hole u and the second oil injection hole v face the piston hole C.
As shown in fig. 4 and 6, after oil is injected and lubricated for each moving part of the engine, the lubricating oil falls into the bottom of the box body under the action of gravity, so that an oil return channel b is arranged at the lower part of the left box body 1, two sets of symmetrically distributed shunting holes 2d are arranged at the position, corresponding to an oil inlet 5a of the oil filter 5, of the right box body 2, and the oil return channel b is connected with the oil inlet 5a of the oil filter 5 through the two sets of shunting holes 2 d.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (9)
1. A lubricating oil channel structure of a motorcycle engine comprises a left box body (1) and a right box body (2), wherein a left crankshaft supporting hole (1a), a left main shaft supporting hole (1b) and a left auxiliary shaft supporting blind hole (1c) are arranged on the left box body (1), a right crankshaft supporting hole (2a), a right main shaft supporting blind hole (2b) and a right auxiliary shaft supporting hole (2c) are arranged on the right box body (2), a variable speed main shaft (3) is installed on the left main shaft supporting hole (1b) and the right main shaft supporting blind hole (2b), a variable speed auxiliary shaft (4) is installed on the left auxiliary shaft supporting blind hole (1c) and the right auxiliary shaft supporting hole (2c), a first oil inlet channel (a) is arranged at the lower part of the right box body (2), an oil return channel (b) is arranged at the lower part of the left box body (1), and the first oil inlet channel (a) and the oil return channel (b) are both connected to an oil filter (5), the method is characterized in that:
the upper part of the left box body (1) is provided with a first buffer chamber (c), a third oil inlet channel (d) and a left buffer chamber groove (e1) which are sequentially communicated, the side part of the left box body (1) is provided with a second oil inlet channel (f), the upper end of the second oil inlet channel (f) is communicated with the first buffer chamber (c), the lower end of the second oil inlet channel (f) is communicated with the first oil inlet channel (a), the right box body (2) is provided with a right buffer chamber groove (e2), and the right buffer chamber groove (e2) is opposite to the left buffer chamber groove (e1) and forms a second buffer chamber (e) in a closed manner;
the auxiliary transmission shaft (4) is provided with a fifth oil inlet channel (g) extending along the axial direction of the auxiliary transmission shaft and a sixth oil inlet channel (h) extending along the radial direction of the auxiliary transmission shaft, the inner end of the sixth oil inlet channel (h) is communicated with the fifth oil inlet channel (g), the outer end of the sixth oil inlet channel (h) penetrates through the outer surface of the auxiliary transmission shaft (4), a fourth oil inlet channel (i) is arranged at the position, corresponding to the left auxiliary shaft supporting blind hole (1c), of the left box body (1), the upper end of the fourth oil inlet channel (i) is communicated with the left buffer cavity groove (e1), and the lower end of the fourth oil inlet channel (i) is communicated with the fifth oil inlet channel (g);
be equipped with on speed change main shaft (3) along its axial extension's eighth oil feed passageway (j) to and along its radial extension's ninth oil feed passageway (k), ninth oil feed passageway (k) inner and eighth oil feed passageway (j) intercommunication, the surface of speed change main shaft (3) is run through to the outer end, the position that right side box (2) correspond right main shaft and support blind hole (2b) is equipped with seventh oil feed passageway (m), and seventh oil feed passageway (m) upper end and right cushion chamber groove (e2) intercommunication, lower extreme and eighth oil feed passageway (j) intercommunication.
2. A motorcycle engine lubricating oil gallery structure as claimed in claim 1, wherein: tooth surface lubricating oil pipes (n) are transversely arranged above the variable speed main shaft (3) and the variable speed auxiliary shaft (4), the tooth surface lubricating oil pipes (n) are communicated with a left buffering cavity groove (e1) through a decimal oil channel (o) arranged on the left box body (1), and oil spraying small holes (n1) are distributed on the lower sides of the tooth surface lubricating oil pipes (n).
3. A motorcycle engine lubricating oil gallery structure as claimed in claim 1, wherein: the volume of the second buffer chamber (e) is larger than the volume of the first buffer chamber (c).
4. A motorcycle engine lubricating oil gallery structure as claimed in claim 1, wherein: oil cleaner (5) are installed in right box (2) lower part, and right box (2) correspond oil cleaner (5) oil inlet (5a) position and are equipped with two sets of symmetric distribution's reposition of redundant personnel hole (2d), oil return passageway (b) are through two sets of reposition of redundant personnel hole (2d) link to each other with oil cleaner (5).
5. A motorcycle engine lubricating oil gallery structure as claimed in claim 1, wherein: the upper end of left side box (1) and right box (2) is equipped with cylinder body subassembly (A), and cylinder body subassembly (A) includes from supreme cylinder body (6), cylinder head (7) and cylinder cap (8) that connect gradually down, is equipped with rocking arm oil feed passageway (q) in cylinder cap (8), is equipped with cam oil feed passageway (r) in cylinder head (7), be equipped with eleventh oil feed passageway (p) that all communicates with rocking arm oil feed passageway (q) and cam oil feed passageway (r) in cylinder body subassembly (6), eleventh oil feed passageway (p) is through setting up transition passageway(s) and second oil feed passageway (f) intercommunication on left box (1) upper portion.
6. The motorcycle engine lubricating oil passage structure of claim 5, characterized in that: the right side box (2) lateral part is equipped with twelfth oil feed passageway (t), be equipped with left branch pipe (a1) and right branch pipe (a2) on first oil feed passageway (a), left branch pipe (a1) and right branch pipe (a2) communicate with the lower extreme of second oil feed passageway (f) and twelfth oil feed passageway (t) respectively.
7. The motorcycle engine lubricating oil passage structure of claim 6, characterized in that: the engine is provided with two groups of cylinder body assemblies (A), wherein the lubricating oil path of one group of cylinder body assemblies (A) is communicated with the second oil inlet channel (f), and the lubricating oil path of the other group of cylinder body assemblies (A) is communicated with the twelfth oil inlet channel (t).
8. The motorcycle engine lubricating oil passage structure of claim 7, characterized in that: a left ring groove (f1) is formed in the hole wall of the left crankshaft supporting hole (1a), a left shaft sleeve (9) is sleeved in the left crankshaft supporting hole (1a), and an annular cavity defined by the left shaft sleeve (9) and the left ring groove (f1) is part of the second oil inlet channel (f);
the oil inlet structure is characterized in that a right annular groove (t1) is formed in the wall of the right crankshaft supporting hole (2a), a right shaft sleeve (10) is sleeved in the right crankshaft supporting hole (2a), and an annular cavity formed by the right shaft sleeve (10) and the right annular groove (t1) is a part of the twelfth oil inlet channel (t).
9. A motorcycle engine lubricating oil passage structure according to claim 8, characterized in that: be equipped with in left side box (1) first nozzle opening (u) with left annular (f1) intercommunication, be equipped with in right side box (2) second nozzle opening (v) with right annular (t1) intercommunication, first nozzle opening (u) are towards cylinder body (6) lower extreme of one of them group cylinder body subassembly (A), and second nozzle opening (v) are towards cylinder body (6) lower extreme of another group cylinder body subassembly (A).
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| CN202111325159.7A CN114109558B (en) | 2021-11-10 | 2021-11-10 | Lubricating oil duct structure of motorcycle engine |
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| CN202111325159.7A CN114109558B (en) | 2021-11-10 | 2021-11-10 | Lubricating oil duct structure of motorcycle engine |
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| CN114109558B CN114109558B (en) | 2023-05-12 |
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| JP2015090146A (en) * | 2013-11-07 | 2015-05-11 | スズキ株式会社 | Transmission lubrication structure of motor cycle |
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2021
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| CN101415914A (en) * | 2006-02-07 | 2009-04-22 | 丰田自动车株式会社 | Lubrication device and oil pan |
| US20070272196A1 (en) * | 2006-05-26 | 2007-11-29 | Honda Motor Co., Ltd. | Lubricating system for a vehicle power unit |
| CN103363276A (en) * | 2012-03-29 | 2013-10-23 | 比亚迪股份有限公司 | Oil pump, engine front cover and engine |
| JP2015090146A (en) * | 2013-11-07 | 2015-05-11 | スズキ株式会社 | Transmission lubrication structure of motor cycle |
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| CN114109558B (en) | 2023-05-12 |
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Effective date of registration: 20231121 Address after: No.16, Fengqi Road, caijiagang Town, Beibei District, Chongqing 400707 Patentee after: Chongqing Lifan Ruichi Motorcycle Co.,Ltd. Address before: 401122 No.2, huanghuan North Road, Jinshan Avenue, Liangjiang New District, Chongqing Patentee before: Lifan Technology (Group) Co.,Ltd. |