CN113048228A - Lubricating structure for speed changing shaft of motorcycle engine - Google Patents
Lubricating structure for speed changing shaft of motorcycle engine Download PDFInfo
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- CN113048228A CN113048228A CN202110494462.3A CN202110494462A CN113048228A CN 113048228 A CN113048228 A CN 113048228A CN 202110494462 A CN202110494462 A CN 202110494462A CN 113048228 A CN113048228 A CN 113048228A
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- end hole
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- 230000001050 lubricating effect Effects 0.000 title claims abstract description 55
- 239000003921 oil Substances 0.000 claims abstract description 223
- 239000010687 lubricating oil Substances 0.000 claims abstract description 29
- 238000002347 injection Methods 0.000 claims description 39
- 239000007924 injection Substances 0.000 claims description 39
- 230000002093 peripheral effect Effects 0.000 claims description 32
- 230000005540 biological transmission Effects 0.000 claims description 28
- 239000010705 motor oil Substances 0.000 claims description 26
- 230000000903 blocking effect Effects 0.000 claims description 21
- 239000007921 spray Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000314 lubricant Substances 0.000 claims 2
- 208000032370 Secondary transmission Diseases 0.000 claims 1
- 238000005507 spraying Methods 0.000 abstract description 39
- 230000008859 change Effects 0.000 abstract description 22
- 238000003754 machining Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 14
- 238000009434 installation Methods 0.000 description 8
- 239000010721 machine oil Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0424—Lubricant guiding means in the wall of or integrated with the casing, e.g. grooves, channels, holes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/06—Combinations of engines with mechanical gearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0423—Lubricant guiding means mounted or supported on the casing, e.g. shields or baffles for collecting lubricant, tubes or pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0427—Guidance of lubricant on rotary parts, e.g. using baffles for collecting lubricant by centrifugal force
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0456—Lubrication by injection; Injection nozzles or tubes therefor
Abstract
The invention provides a lubricating structure for a speed changing shaft of a motorcycle engine, and belongs to the technical field of motorcycles. The technical problems that an existing engine speed change shaft lubricating structure is high in machining cost and poor in lubricating effect are solved. The engine comprises a box body, a main variable-speed shaft and an auxiliary variable-speed shaft are arranged in the box body, a lubricating structure comprises an oil spraying pipe and a lubricating oil channel positioned in the side wall of the box body, the oil spraying pipe is positioned above the main variable-speed shaft and the auxiliary variable-speed shaft, the side walls of two sides of the box body are respectively provided with a main shaft end hole in running fit with the main variable-speed shaft and an auxiliary shaft end hole in running fit with the auxiliary variable-speed shaft, the lubricating structure further comprises a first oil channel and a second oil channel which are positioned in the side walls of two sides of the box body, two ends of the oil spraying pipe are respectively communicated with the first oil channel and the second oil channel, the lubricating oil channel is communicated with the second oil channel through the main shaft end hole, the auxiliary shaft end. The invention has low processing difficulty and better lubricating effect.
Description
Technical Field
The invention belongs to the technical field of motorcycles, and relates to a lubricating structure for a speed changing shaft of a motorcycle engine.
Background
In the conventional motorcycle engine, an oil path is mainly arranged in a side wall of a shell for lubricating a main speed changing shaft and an auxiliary speed changing shaft, oil is pressurized by an oil pump and then is conveyed to a lubricating area through the oil path, the main speed changing shaft and the auxiliary speed changing shaft form transmission through a speed changing gear arranged on the periphery of the main speed changing shaft and the auxiliary speed changing shaft, and the speed changing gear needs the oil to be continuously lubricated and cooled under the working condition of high-speed meshing.
Chinese patent publication No. CN207332973U discloses a lubricating structure for main and auxiliary shafts of a motorcycle engine, which includes a left box body, a main shaft assembly and an auxiliary shaft assembly are arranged in the left box body, an oil injection pipe is arranged above the main shaft assembly and the auxiliary shaft assembly and between the main shaft assembly and the auxiliary shaft assembly, a plurality of spray holes are arranged on the oil injection pipe, and the oil injection pipe is communicated with a lubricating oil passage arranged in the left box body.
Above-mentioned structure can lubricate main shaft assembly and main shaft assembly through setting up oil spout pipe, nevertheless still need process long and complicated inside oil circuit in the box wall thickness for the lubrication that realizes the variable speed subassembly both ends in the engine, and processing cost is high and lubricated effect is unsatisfactory. To solve the above problems, one skilled in the art can easily consider: 1. the box body is designed in a split manner, and the oil way is arranged on the split joint surface, so that the processing difficulty is reduced; 2. and independent oil ducts are respectively arranged at two sides of the box body and driven by different oil pumps.
Disclosure of Invention
The invention provides a lubricating structure of a speed changing shaft of a motorcycle engine aiming at the problems in the prior art, and the technical problems to be solved by the invention are as follows: how to reduce the process difficulty and improve the lubricating effect.
The purpose of the invention can be realized by the following technical scheme:
a lubricating structure of a speed changing shaft of a motorcycle engine comprises a box body, wherein a main speed changing shaft and an auxiliary speed changing shaft are arranged in the box body, the lubricating structure comprises an oil spraying pipe and a lubricating oil channel positioned in the side wall of the box body, the oil spraying pipe is positioned above the main speed changing shaft and the auxiliary speed changing shaft, the side walls of two sides of the box body are respectively provided with a main shaft end hole in running fit with the main speed changing shaft and an auxiliary shaft end hole in running fit with the auxiliary speed changing shaft, the lubricating structure is characterized by further comprising a first oil channel and a second oil channel which are positioned in the side walls of two sides of the box body, two ends of the oil spraying pipe are respectively communicated with the first oil channel and the second oil channel, the lubricating oil channel is communicated with the second oil channel through the main shaft end hole, the auxiliary shaft end hole is communicated with the first oil channel, and engine oil in the lubricating oil.
The main variable-speed shaft, the auxiliary variable-speed shaft and the oil injection pipe are arranged in a box body of the engine, the main variable-speed shaft and the auxiliary variable-speed shaft can be in gear transmission through meshing, torque output is further achieved, the oil injection pipe is located above the main variable-speed shaft and the auxiliary variable-speed shaft, engine oil in the oil injection pipe can conveniently drop onto gears of the main variable-speed shaft and the auxiliary variable-speed shaft from top to bottom after being sprayed out, a lubricating effect is achieved, and a lubricating oil channel arranged in the side wall of the box body can convey the engine oil pumped out from the engine oil pump to different. The oil spraying pipe is used as an external component to participate in oil path conveying, the process difficulty of processing an oil path in the side wall of the box body is reduced, in addition, the engine oil conveyed through the oil spraying pipe has relatively lower temperature after reaching the end hole of the auxiliary shaft due to the reduction of the suspended heat conduction effect, and the improvement of the cooling and lubricating effects on the end part of the auxiliary shaft is facilitated.
In the lubricating structure of the speed changing shaft of the motorcycle engine, the auxiliary speed changing shaft is hollow and one end of the auxiliary speed changing shaft is open, the open end of the auxiliary speed changing shaft is in running fit with the auxiliary shaft end hole, the inner cavity of the auxiliary speed changing shaft is communicated with the first oil duct through the auxiliary shaft end hole, the peripheral surface of the auxiliary speed changing shaft is provided with a plurality of first oil throwing holes which are arranged at intervals along the axial direction of the auxiliary speed changing shaft, and the plurality of first oil throwing holes are communicated with the inner cavity of the auxiliary speed changing shaft. The auxiliary variable speed shaft is hollow and one end of the auxiliary variable speed shaft is open, the open end of the auxiliary variable speed shaft is matched with the auxiliary shaft end hole in a rotating mode, the inner cavity of the auxiliary variable speed shaft is communicated with the oil duct I through the auxiliary shaft end hole, meanwhile, a plurality of oil throwing holes I which are axially arranged along the auxiliary variable speed shaft at intervals and communicated with the inner cavity of the auxiliary variable speed shaft are formed in the peripheral face of the auxiliary variable speed shaft, engine oil reaching the auxiliary shaft end hole can enter the inner cavity of the auxiliary variable speed shaft, when an engine works, the auxiliary variable speed shaft can rotate to enable the engine oil to be sprayed out through the oil throwing holes I, lubrication of the engine oil on working parts such as a variable speed gear and the like in a large range in the circumferential direction of the auxiliary.
In the above lubricating structure for the speed changing shaft of the motorcycle engine, part of the first oil slinger holes are arranged along the circumferential direction of the auxiliary speed changing shaft in a staggered manner. Through setting up partly to get rid of oilhole one and along the circumference dislocation arrangement of vice variable speed axle, machine oil can follow the radial angle of the difference of vice variable speed axle and spout simultaneously like this, and is higher to the lubricated frequency of same one side working member when vice variable speed axle rotates, improves lubricated effect.
In the lubricating structure of the motorcycle engine speed changing shaft, the main speed changing shaft is hollow and one end of the main speed changing shaft is open, the open end of the main speed changing shaft is in running fit with the end hole of the main shaft, the inner cavity of the main speed changing shaft is communicated with the lubricating oil channel through the end hole of the main shaft, and the outer peripheral surface of the main speed changing shaft is provided with a plurality of oil throwing holes II communicated with the inner cavity of the main speed changing shaft. Through setting up main variable speed axle and being hollow form and one end is uncovered, main variable speed axle's opening end and main shaft end hole normal running fit, main variable speed axle's inner chamber passes through main shaft end hole and lubricating oil duct intercommunication, has a plurality ofly at main variable speed axle's outer peripheral face and gets rid of the oilhole two with this main variable speed axle inner chamber intercommunication, and machine oil can get into main variable speed axle inner chamber and lubricate the working part of circumference through getting rid of two blowout of oilhole like this, and then improves lubricated effect.
In the lubricating structure for the speed changing shaft of the motorcycle engine, the main shaft end hole and the auxiliary shaft end hole are both in blind hole shapes. Through setting up main shaft end hole and countershaft end hole and all being blind hole form, do benefit to like this and get into the machine oil that keeps high enough pressure from main shaft end hole and countershaft end hole, make the smooth and easy lubricated effect that improves of flow.
In the lubricating structure of the speed changing shaft of the motorcycle engine, the first annular groove arranged around the circumferential direction is formed in the edge of the bottom surface of the auxiliary shaft end hole, the first oil passage is communicated with the first annular groove, and the end surface of the open end of the auxiliary speed changing shaft and the bottom surface of the auxiliary shaft end hole are arranged at intervals. The first annular groove formed around the circumferential direction is formed in the edge of the bottom surface of the auxiliary shaft end hole, so that the first oil duct is communicated with the first annular groove, and the end surface of the open end of the auxiliary speed change shaft and the bottom surface of the auxiliary shaft end hole are arranged at intervals, so that the end position of the auxiliary speed change shaft is prevented from influencing the outlet cross section of the first oil duct, engine oil can smoothly flow out, and the lubricating effect is guaranteed.
In the lubricating structure of the speed changing shaft of the motorcycle engine, the second annular groove which is arranged around the circumferential direction is arranged at the edge of the bottom surface of the end hole of the main shaft, the lubricating oil channel and the second oil channel are communicated with the second annular groove, and the end surface of the open end of the main speed changing shaft and the bottom surface of the end hole of the main shaft are arranged at intervals. The second annular groove formed around the circumferential direction is formed in the edge of the bottom face of the main shaft end hole, so that the lubricating oil channel and the second oil passage are communicated with the second annular groove, and the end face of the open end of the main speed changing shaft and the bottom face of the main shaft end hole are arranged at intervals, so that the communicating effect of the lubricating oil channel and the second oil passage can be guaranteed even if the position of the main speed changing shaft is abnormally shifted, the auxiliary speed changing shaft is stably lubricated, and the working stability is higher.
In the lubricating structure for the speed changing shaft of the motorcycle engine, the peripheral surface of the oil injection pipe is provided with a plurality of oil injection holes, and the oil injection holes are arranged between the main speed changing shaft and the auxiliary speed changing shaft from top to bottom. The oil spraying holes are formed in the peripheral surface of the oil spraying pipe and are arranged between the main variable-speed shaft and the auxiliary variable-speed shaft from top to bottom, so that engine oil in the oil spraying pipe can be sprayed to the transmission joint of the main variable-speed shaft and the auxiliary variable-speed shaft, and the stable lubricating effect is ensured.
In the lubricating structure for the speed changing shaft of the motorcycle engine, the side wall of the box body is provided with the mounting through hole, the oil injection pipe is inserted into the mounting through hole, the outer peripheral surface of the oil injection pipe is provided with a plurality of oil passing holes arranged around the circumferential direction, the inner cavity of the oil injection pipe is communicated with the first oil passage or the second oil passage through the oil passing holes, the outer peripheral surface of the oil injection pipe is also provided with two annular blocking edges arranged at intervals along the axial direction, the plurality of oil passing holes are all positioned between the two annular blocking edges, and the outer peripheral surfaces of the two annular blocking edges are in sealing fit with the inner side wall of the mounting through hole. The installation through hole is formed in the side wall of one side of the box body, the oil spraying pipe is inserted into the installation through hole, a plurality of oil passing holes arranged in the circumferential direction are formed in the peripheral face of the oil spraying pipe, the inner cavity of the oil spraying pipe is communicated with the first oil channel or the second oil channel through the oil passing holes, the insertion end of the oil spraying pipe is fixedly connected with the side wall of the other side of the box body and communicated with the second oil channel or the first oil channel, two annular blocking edges arranged at intervals along the axial direction are arranged on the peripheral face of the oil spraying pipe, the oil passing holes are located between the two annular blocking edges, the peripheral faces of the two annular blocking edges are in sealing fit with the inner side wall of the installation through hole, the oil spraying pipe can be inserted into the installation through hole when the oil spraying pipe is installed, the oil passing holes between the two annular blocking edges correspond to the positions.
In the lubricating structure of the speed changing shaft of the motorcycle engine, one end of the oil injection pipe, which is close to the annular baffle edge, is fixedly connected with the positioning plate, and the positioning plate is limited and abutted against the outer side wall of the box body along the axial direction of the oil injection pipe and is fixedly connected through the connecting piece. The positioning plate is fixedly connected to one end, close to the annular blocking edge, of the oil injection pipe, the positioning plate is limited and abutted to the outer side wall of the box body along the axial direction of the oil injection pipe and is fixedly connected through the connecting piece, and therefore the position of the oil passing hole corresponding to the first oil duct or the second oil duct can be judged when the positioning plate is abutted to the outer side wall of the box body after the oil injection pipe is inserted into the mounting through hole, and assembly is convenient, fast and accurate; meanwhile, the positioning plate is fixedly connected with the box body through connecting pieces such as bolts, positioning pins and the like, so that a stable positioning effect can be ensured.
Compared with the prior art, the invention has the following advantages:
the lubricating structure of the motorcycle engine speed changing shaft has the advantages that the first oil duct and the second oil duct are arranged in the side wall of the box body, the two ends of the oil spraying pipe are respectively communicated with the first oil duct and the second oil duct, the lubricating oil duct is communicated with the second oil duct through the main shaft end hole, the auxiliary shaft end hole is communicated with the first oil duct, the pressurized engine oil part used for lubricating the end part of the main speed changing shaft in the lubricating oil duct can automatically flow into the second oil duct through the shaft end hole, the pressurized engine oil part is conveyed into the first oil duct on the other side of the box body along the oil spraying pipe and finally reaches the auxiliary shaft end hole to lubricate the end part of the auxiliary speed changing shaft, the oil spraying pipe participates in oil path conveying as an external component, the process difficulty of machining the oil path in the side wall of the box body is reduced, in addition, the suspended heat conduction effect of the.
Drawings
Fig. 1 is a partial perspective view of the engine in the present embodiment.
Fig. 2 is a schematic view of a partially exploded structure of the engine in the present embodiment.
Fig. 3 is a partial perspective view in the present embodiment.
Fig. 4 is a schematic cross-sectional structure diagram of a partial structure in this embodiment.
Fig. 5 is an enlarged view of a portion a in fig. 4.
Fig. 6 is a schematic perspective view of the oil spray pipe and the positioning plate in this embodiment.
Fig. 7 is a schematic cross-sectional view of the engine with the hidden fuel injection pipe and the transmission assembly according to the present embodiment.
Fig. 8 is an enlarged view of a portion B in fig. 7.
FIG. 9 is a schematic perspective view of the sub-transmission shaft in the present embodiment.
FIG. 10 is a schematic sectional structure view of the sub-speed change shaft in the embodiment.
Fig. 11 is a schematic perspective view of the main shift shaft in the present embodiment.
In the figure, 1, a box body; 11. a main shaft end hole; 111. a second ring groove; 12. a countershaft end bore; 121. a first ring groove; 13. a lubricating oil passage; 14. a first oil duct; 15. an oil duct II; 16. mounting a through hole;
2. a main transmission shaft; 21. a second oil throwing hole;
3. a secondary speed change shaft; 31. a first oil throwing hole;
4. an oil spray pipe; 41. an oil spray hole; 42. an oil passing hole; 43. an annular blocking edge;
5. and (7) positioning the plate.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-11, the engine of the motorcycle engine speed changing shaft lubricating structure comprises a box body 1, a main speed changing shaft 2 and an auxiliary speed changing shaft 3 which are parallel to each other are arranged in the box body 1, the lubricating structure comprises an oil spraying pipe 4 and a lubricating oil channel 13 which is positioned in the side wall of the box body 1, the oil spraying pipe 4 is positioned right above the position between the main speed changing shaft 2 and the auxiliary speed changing shaft 3, two oil spraying holes 41 are arranged on the peripheral surface of the oil spraying pipe 4, and the oil spraying holes 41 are arranged between the main speed changing shaft 2 and the auxiliary speed changing shaft 3 from top to bottom. Two oil injection holes 41 are formed in the peripheral surface of the oil injection pipe 4, so that the oil injection holes 41 are arranged between the main speed change shaft 2 and the auxiliary speed change shaft 3 from top to bottom, and engine oil in the oil injection pipe 4 can be injected to the transmission joint of the main speed change shaft 2 and the auxiliary speed change shaft 3, so that the stability of a lubricating effect is ensured. The side walls of the left side and the right side of the box body 1 are respectively provided with a main shaft end hole 11 in running fit with the main variable speed shaft 2 and an auxiliary shaft end hole 12 in running fit with the auxiliary variable speed shaft 3, the lubricating structure further comprises a first oil duct 14 and a second oil duct 15 which are positioned in the side walls of the two sides of the box body 1, two ends of the oil spraying pipe 4 are respectively communicated with the first oil duct 14 and the second oil duct 15, the lubricating oil duct 13 is communicated with the second oil duct 15 through the main shaft end hole 11, the auxiliary shaft end hole 12 is communicated with the first oil duct 14, and when the lubricating structure works, engine oil in the lubricating oil duct 13 can enter the auxiliary shaft end hole. A main speed changing shaft 2, an auxiliary speed changing shaft 3 and an oil spraying pipe 4 are arranged in a box body 1 of the engine, the main speed changing shaft 2 and the auxiliary speed changing shaft 3 can be in gear transmission through meshing, torque output is further achieved, the oil spraying pipe 4 is located above the main speed changing shaft 2 and the auxiliary speed changing shaft 3, engine oil in the oil spraying pipe 4 can conveniently drop onto gears of the main speed changing shaft 2 and the auxiliary speed changing shaft 3 from top to bottom after being sprayed out, a lubricating effect is achieved, and a lubricating oil channel 13 arranged in the side wall of the box body 1 can convey the engine oil pumped out from an engine oil pump to different regions of the box body 1. The first oil passage 14 and the second oil passage 15 are arranged in the side wall of the box body 1, so that two ends of the oil injection pipe 4 are respectively communicated with the first oil passage 14 and the second oil passage 15, the lubricating oil passage 13 is communicated with the second oil passage 15 through the main shaft end hole 11, the auxiliary shaft end hole 12 is communicated with the first oil passage 14, therefore, the pressurized engine oil part used for lubricating the end part of the main variable speed shaft 2 in the lubricating oil channel 13 can flow into the second oil channel 15 from the main shaft end hole 11, is conveyed into the first oil channel 14 on the other side of the box body 1 along the oil spraying pipe 4, and finally reaches the auxiliary shaft end hole 12 to lubricate the end part of the auxiliary variable speed shaft 3, the oil spraying pipe 4 is taken as an external part to participate in oil channel conveying, the process difficulty of machining an oil channel inside the side wall of the box body 1 is reduced, in addition, the engine oil conveyed through the oil spraying pipe 4 has relatively lower temperature after reaching the auxiliary shaft end hole 12 due to the reduction of the suspended heat conduction effect, and the cooling and lubricating effects on the end part. Further, the sub speed change shaft 3 is hollow and has an open end, the open end of the sub speed change shaft 3 is rotatably fitted into the counter shaft end hole 12, the inner cavity of the sub speed change shaft 3 is communicated with the first oil passage 14 through the counter shaft end hole 12, the outer peripheral surface of the sub speed change shaft 3 is provided with seven first oil slingers 31 arranged at intervals in the axial direction of the sub speed change shaft 3, and the seven first oil slingers 31 are communicated with the inner cavity of the sub speed change shaft 3. The auxiliary variable speed shaft 3 is hollow and one end of the auxiliary variable speed shaft is open, the open end of the auxiliary variable speed shaft 3 is in running fit with the auxiliary shaft end hole 12, the inner cavity of the auxiliary variable speed shaft 3 is communicated with the first oil duct 14 through the auxiliary shaft end hole 12, meanwhile, a plurality of first oil throwing holes 31 which are arranged at intervals along the axial direction of the auxiliary variable speed shaft 3 and are communicated with the inner cavity of the auxiliary variable speed shaft 3 are arranged on the peripheral surface of the auxiliary variable speed shaft 3, so that engine oil reaching the auxiliary shaft end hole 12 can enter the inner cavity of the auxiliary variable speed shaft 3, when the engine works, the auxiliary variable speed shaft 3 can rotate to enable the engine oil to be sprayed out through the first seven different oil throwing holes 31, lubrication of the engine oil on working parts such as a speed changing gear and the like in a large circumferential range of. The seven oil slinger holes one 31 are arranged in a staggered manner at three angles in the circumferential direction of the auxiliary speed change shaft 3. By arranging the oil throwing holes 31 in a staggered mode along the circumferential direction of the auxiliary speed change shaft 3, engine oil can be sprayed out from different radial angles of the auxiliary speed change shaft 3 at the same time, the lubricating frequency of working parts on the same side is higher when the auxiliary speed change shaft 3 rotates, and the lubricating effect is improved. Preferably, the main transmission shaft 2 is hollow and has an open end, the open end of the main transmission shaft 2 is rotatably fitted with the main shaft end hole 11, the inner cavity of the main transmission shaft 2 is communicated with the lubricating oil passage 13 through the main shaft end hole 11, and the outer peripheral surface of the main transmission shaft 2 is provided with three oil throwing holes 21 communicated with the inner cavity of the main transmission shaft 2. Through setting up main variable speed shaft 2 and being hollow form and one end is uncovered, main variable speed shaft 2's open end and main shaft end hole 11 normal running fit, main variable speed shaft 2's inner chamber passes through main shaft end hole 11 and lubricating oil duct 13 intercommunication, has three with this main variable speed shaft 2 inner chamber intercommunication get rid of oil hole two 21 at main variable speed shaft 2's outer peripheral face, machine oil can enter main variable speed shaft 2 inner chamber and lubricate the work component of circumference through getting rid of the blowout of oil hole two 21 like this, and then improve lubricated effect. The peripheral face of main variable speed shaft 2 sets firmly a plurality of master gears (not shown), and the peripheral face cover of vice variable speed shaft 3 is equipped with a plurality of axially sliding and locking pinion gears (not shown), and the second 21 of getting rid of the oil hole is close to the master gear and all arranges along the axial dislocation of main variable speed shaft 2 with the master gear, does benefit to on falling to the pinion gear with the master gear meshing from the spun machine oil of getting rid of the oil hole like this, guarantees better lubricated cooling effect. The position of the oil throwing hole I31 can be opposite to the position of the main gear along the axis connecting line direction of the main speed changing shaft 2 and the auxiliary speed changing shaft 3, so that engine oil sprayed from the oil throwing hole can fall onto the main gear, the main gear which is not meshed is kept to be wetted, and preparation is made for gear shifting meshing.
As shown in fig. 2 to 4, 7 and 8, the main shaft end hole 11 and the auxiliary shaft end hole 12 are blind holes. Through setting up main shaft end hole 11 and countershaft end hole 12 and all being blind hole form, do benefit to like this and get into from the machine oil of main shaft end hole 11 and countershaft end hole 12 and keep enough high pressure, make the smooth and easy lubricated effect that improves that flows. The edge of the bottom surface of the auxiliary shaft end hole 12 is provided with a first annular groove 121 arranged around the circumferential direction, the first oil passage 14 is communicated with the first annular groove 121, and the end surface of the open end of the auxiliary speed changing shaft 3 and the bottom surface of the auxiliary shaft end hole 12 are arranged at intervals. The first annular groove 121 formed around the circumferential direction is formed in the edge of the bottom surface of the auxiliary shaft end hole 12, the first oil duct 14 is communicated with the first annular groove 121, the end surface of the open end of the auxiliary speed change shaft 3 is arranged at intervals with the bottom surface of the auxiliary shaft end hole 12, the influence on the outlet cross section of the first oil duct 14 caused by the end position of the auxiliary speed change shaft 3 is avoided, engine oil can smoothly flow out, the lubricating effect is guaranteed, the second annular groove 111 formed around the circumferential direction is formed in the edge of the bottom surface of the main shaft end hole 11, the lubricating oil duct 13 and the second oil duct 15 are communicated with the second annular groove 111, and the end surface of the open end of the main speed change shaft 2 is arranged at. Through set up around the annular two 111 that circumference was seted up in the bottom surface border department of main shaft end hole 11, make lubricating oil duct 13 and oil duct two 15 all communicate with annular two 111, and the terminal surface of main variable-speed shaft 2 open end and the bottom surface interval arrangement of main shaft end hole 11, even the position of main variable-speed shaft 2 produces the drunkenness like this and also can guarantee the intercommunication effect of lubricating oil duct 13 and oil duct two 15, thereby make vice variable-speed shaft 3 stable lubrication, job stabilization nature is higher.
As shown in fig. 2-6, the side wall of the box body 1 is provided with a mounting through hole 16, the oil injection pipe 4 is inserted into the mounting through hole 16, the outer peripheral surface of the oil injection pipe 4 is provided with four oil passing holes 42 arranged around the circumferential direction, the inner cavity of the oil injection pipe 4 is communicated with the first oil passage 14 through the oil passing holes 42, the outer peripheral surface of the oil injection pipe 4 is further provided with two annular blocking edges 43 arranged at intervals along the axial direction, the four oil passing holes 42 are all located between the two annular blocking edges 43, and the outer peripheral surfaces of the two annular blocking edges 43 are all in sealing fit with the inner side wall of the mounting through. The installation through hole 16 is formed in the side wall of one side of the box body 1, the oil spraying pipe 4 is inserted into the installation through hole 16, four oil passing holes 42 which are circumferentially arranged are formed in the peripheral surface of the oil spraying pipe 4, the inner cavity of the oil spraying pipe 4 is communicated with the first oil passage 14 through the oil passing holes 42, the insertion end of the oil spraying pipe 4 is fixedly connected with the side wall of the other side of the box body 1 and is communicated with the second oil passage 15, two annular blocking edges 43 which are axially arranged at intervals are arranged on the peripheral surface of the oil spraying pipe 4, the oil passing holes 42 are located between the two annular blocking edges 43, the peripheral surfaces of the two annular blocking edges 43 are in sealing fit with the inner side wall of the installation through hole 16, the oil spraying pipe 4 can be inserted into the installation through hole 16 when being installed, the oil passing holes 42 between the two annular blocking edges 43 correspond to the position of the first oil passage 14, the four. The one end that spouts oil pipe 4 to be close to annular fender edge 43 has linked firmly locating plate 5, and locating plate 5 is spacing to be leaned on and link firmly through the connecting piece with the lateral wall of box 1 along this spout oil pipe 4's axial. The positioning plate 5 is fixedly connected to one end, close to the annular blocking edge 43, of the oil injection pipe 4, so that the positioning plate 5 is in limited abutting contact with the outer side wall of the box body 1 along the axial direction of the oil injection pipe 4 and is fixedly connected through a connecting piece, and the position of the oil outlet hole 42 corresponding to the first oil passage 14 or the second oil passage 15 can be judged when the positioning plate 5 abuts against the outer side wall of the box body 1 after the oil injection pipe 4 is inserted into the mounting through hole 16, so that the assembly is convenient and accurate; meanwhile, the positioning plate 5 is fixedly connected with the box body 1 through a bolt, so that a stable positioning effect can be ensured.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. A motorcycle engine speed changing shaft lubricating structure, the engine includes the container body (1), there are main speed changing shaft (2) and auxiliary speed changing shaft (3) in the said container body (1), the lubricating structure includes the oil spray pipe (4) and lubricant duct (13) located in sidewall of the container body (1), the said oil spray pipe (4) is located above said main speed changing shaft (2) and auxiliary speed changing shaft (3), there are main shaft end hole (11) and auxiliary shaft end hole (12) with auxiliary speed changing shaft (3) running fit on the sidewall of both sides of the said container body (1) separately, characterized by that, the lubricating structure also includes oil duct one (14) and two (15) located in sidewall of both sides of the said container body (1), both ends of the said oil spray pipe (4) communicate with said oil duct one (14) and two (15) separately, the said lubricant duct (13) communicates with the second oil duct (15) through the said main shaft end hole (11), the auxiliary shaft end hole (12) is communicated with the first oil passage (14), and when the oil injection device works, engine oil in the lubricating oil passage (13) can enter the auxiliary shaft end hole (12) through the oil injection pipe (4).
2. The lubricating structure for the shift shaft of a motorcycle engine according to claim 1, wherein the sub shift shaft (3) is hollow and has an open end, the open end of the sub shift shaft (3) is rotatably fitted to the sub shaft end hole (12), the inner cavity of the sub shift shaft (3) is communicated with the first oil passage (14) through the sub shaft end hole (12), the outer peripheral surface of the sub shift shaft (3) has a plurality of first oil slingers (31) arranged at intervals in the axial direction of the sub shift shaft (3), and the plurality of first oil slingers (31) are communicated with the inner cavity of the sub shift shaft (3).
3. A motorcycle engine transmission shaft lubricating structure according to claim 2, characterized in that some of the first oil slinger holes (31) are arranged in a staggered manner in the circumferential direction of the sub transmission shaft (3).
4. The lubricating structure for the transmission shaft of the motorcycle engine according to claim 1, wherein the main transmission shaft (2) is hollow and has an open end, the open end of the main transmission shaft (2) is rotatably fitted into the main shaft end hole (11), the inner cavity of the main transmission shaft (2) is communicated with the lubricating oil passage (13) through the main shaft end hole (11), and the outer peripheral surface of the main transmission shaft (2) is provided with a plurality of second oil slingers (21) communicated with the inner cavity of the main transmission shaft (2).
5. The motorcycle engine transmission shaft lubricating structure according to claim 1, 2, 3 or 4, characterized in that the main shaft end hole (11) and the auxiliary shaft end hole (12) are both blind.
6. The motorcycle engine transmission shaft lubricating structure according to claim 5, characterized in that the edge of the bottom surface of the secondary shaft end hole (12) has a first circumferential groove (121) provided around the circumferential direction, the first oil passage (14) communicates with the first circumferential groove (121), and the end surface of the open end of the secondary transmission shaft (3) is arranged at a distance from the bottom surface of the secondary shaft end hole (12).
7. The motorcycle engine transmission shaft lubricating structure according to claim 5, characterized in that the edge of the bottom surface of the main shaft end hole (11) is provided with a second ring groove (111) arranged around the circumferential direction, the lubricating oil passage (13) and the second oil passage (15) are both communicated with the second ring groove (111), and the end surface of the open end of the main transmission shaft (2) is arranged at an interval with the bottom surface of the main shaft end hole (11).
8. The motorcycle engine transmission shaft lubricating structure according to claim 1, 2, or 3, or the above, characterized in that the oil jet pipe (4) has a plurality of oil jet holes (41) in its outer peripheral surface, and the oil jet holes (41) are provided from above to below toward between the main transmission shaft (2) and the sub transmission shaft (3).
9. The lubricating structure for the speed changing shaft of the motorcycle engine according to claim 1, 2 or 3, wherein a mounting through hole (16) is formed in a side wall of the box body (1), the oil injection pipe (4) is inserted into the mounting through hole (16), a plurality of oil passing holes (42) are formed in the outer peripheral surface of the oil injection pipe (4) and are circumferentially arranged, an inner cavity of the oil injection pipe (4) is communicated with the first oil passage (14) or the second oil passage (15) through the oil passing holes (42), two annular blocking edges (43) are formed in the outer peripheral surface of the oil injection pipe (4) and are axially arranged at intervals, the plurality of oil passing holes (42) are located between the two annular blocking edges (43), and the outer peripheral surfaces of the two annular blocking edges (43) are in sealing fit with the inner side wall of the mounting through hole (16).
10. The lubricating structure for the transmission shaft of the motorcycle engine according to claim 9, wherein a positioning plate (5) is fixedly connected to one end of the oil injection pipe (4) close to the annular blocking edge (43), and the positioning plate (5) is in limit abutment with the outer side wall of the box body (1) along the axial direction of the oil injection pipe (4) and is fixedly connected through a connecting piece.
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| CN202110494462.3A CN113048228B (en) | 2021-05-07 | 2021-05-07 | Lubricating structure for speed-changing shaft of motorcycle engine |
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| CN202110494462.3A CN113048228B (en) | 2021-05-07 | 2021-05-07 | Lubricating structure for speed-changing shaft of motorcycle engine |
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| CN113048228B CN113048228B (en) | 2024-04-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915323A (en) * | 2021-09-28 | 2022-01-11 | 常州华创航空科技有限公司 | Lubricating oil pipe and transmission case |
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|---|---|
| CN113048228B (en) | 2024-04-26 |
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