CN2740784Y - Lubricating mechanism of speed variator for engine - Google Patents
Lubricating mechanism of speed variator for engine Download PDFInfo
- Publication number
- CN2740784Y CN2740784Y CN 200420061474 CN200420061474U CN2740784Y CN 2740784 Y CN2740784 Y CN 2740784Y CN 200420061474 CN200420061474 CN 200420061474 CN 200420061474 U CN200420061474 U CN 200420061474U CN 2740784 Y CN2740784 Y CN 2740784Y
- Authority
- CN
- China
- Prior art keywords
- oil transportation
- speed changer
- main shaft
- communicated
- transportation channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- General Details Of Gearings (AREA)
Abstract
The utility model discloses a lubricating mechanism of a speed changer for an engine. The main shaft and the auxiliary shaft of a speed changer are supported at a left crank case and a right crank case, and the main shaft and the auxiliary shaft are all provided with oil transportation passages. The cover of the right crank case is provided with two oil transportation passages which are communicated with the regulating screw bolt holes of a clutch, one end of the main shaft is connected with a main shaft sleeve whose shaft center is a through hole, and one end of the main shaft is communicated with the oil transportation passage on the cover of the right crank case. The shaft surface of the main shaft is matched with a back action tine, and is provided with a helical groove which is communicated with the oil transportation passages. The left crank case is provided with an oil transportation passage which is communicated with the main shaft oil transportation passage and the auxiliary shaft oil transportation passages, and the shaft surface of the auxiliary shaft is matched with a one-step tine and is provided with a helical groove which is communicated with the oil transportation passages. The lubricating mechanism of a speed changer for an engine can accomplish pressure lubrication for the speed changer on a motorcycle engine with small discharge capacity. The lubricating mechanism of a speed changer for an engine satisfies the lubricating requirements of the friction pairs of a speed changing gear and a gear shaft, combines the existing splash lubrication, avoids the driving gear of the speed changer ablating, tempering and damaging, and ensures the service life of the speed changer.
Description
Technical field
The utility model belongs to the motorcycle engine field, particularly a kind of lubricating structure of small-displacement engine of motorcycle speed changer.
Background technique
At present, small-displacement engine of motorcycle is because of its reasons in structure, and the machine oil that the pressure lubrication oil duct is carried the speed change gear of lubricated speed changer is not set, and generally all adopts traditional splash lubrication to realize lubricated to the speed change gear of speed changer.But, because of speed change gear and cooperating of gear shaft have relatively high expectations, and traditional splash lubrication can not fully, perfectly satisfy the lubricating requirement of this friction pair, so often cause the ablation tempering of speed change gear, cause the damage of speed change gear, shortened the working life of speed changer.
Summary of the invention
The purpose of this utility model provides a kind of lubricating structure of engine speed changer, and it can realize the pressure lubrication to speed changer on small-displacement engine of motorcycle, satisfies the lubricating requirement of the friction pair of speed change gear and gear shaft.
The purpose of this utility model is achieved in that the main shaft of speed changer, countershaft is supported in a left side, right crankcase, right crankcase covers and is provided with oil transportation channel and clutch and regulates bolt hole and be communicated with, the main shaft of speed changer is provided with oil transportation channel, one end of main shaft and axle center are that the collar bush spline of through hole is connected, right crankcase covers to be set up an oil transportation channel and clutch is regulated bolt hole is communicated with the through hole of collar bush, main shaft is provided with the spiral chute that is communicated with oil transportation channel with the axial plane that the tooth that reverses gear cooperates, one oil transportation channel is set on the left crankcase to be communicated with the oil transportation channel of main shaft, countershaft is provided with oil transportation channel and is communicated with the oil transportation channel of left crankcase, and countershaft is provided with the spiral chute that is communicated with oil transportation channel with the axial plane that a retaining tooth cooperates.
Owing to adopted such scheme, on the main shaft of speed changer and the countershaft oil transportation channel is set, and by the oil transportation channel that is provided with on the left crankcase, it is the collar bush of through hole that one end of main shaft connects the axle center, right crankcase covers to be set up an oil transportation channel and clutch is regulated bolt hole is communicated with the through hole of collar bush, making can be from the master to speed changer by the machine oil of oil pump output, the oil transportation channel of countershaft enters the master, the spiral chute that the countershaft axial plane is provided with, form the wet type oil groove and solve the lubricated of friction pair, thereby realize the utilization of pressure lubrication on the small-displacement engine of motorcycle speed changer, satisfy the lubricating requirement of the friction pair of speed change gear and gear shaft.The through hole that the axle center of collar bush is provided with is a step hole, is provided with on the hole wall that internal spline is connected with main spindle multiple spline and is transition fit, can prevent the leakage of machine oil; In the macropore of step hole one end stage clip is housed, its tension force holds out against collar bush at right crankcase and covers, and forms the face contact that oil transportation channel communicates.
The utility model is simple in structure, can fully satisfy the lubricating requirement of speed changer, avoids the ablation tempering damage of speed changer driving gear, guarantees the working life of speed changer.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Accompanying drawing is a structure diagram of the present utility model.
In the accompanying drawing, mark 1 is a collar bush, 2 stage clips, 3 transmission main shafts, 4 is the oil transportation channel of main shaft, and 5 is the through hole of collar bush, and 6 is spiral chute, 7 are the main shaft tooth that reverses gear, 8 is countershaft, and 9 is the oil transportation channel of left crankcase, and 10 is the oil transportation channel of countershaft, 11 is spiral chute, 12 is countershaft one class, and 13 is right crankcase cover, 14 left crankcases, 15 oil transportation channels of setting up for right crankcase cover, 16 are clutch adjusting bolt hole, and 17 is the countershaft mounting hole, and 18 is spindle mounting hole, 19 is the oil transportation channel of right crankcase cover, and 20 is right crankcase.
Embodiment
Referring to accompanying drawing, the main shaft 3 of speed changer, countershaft 8 are supported in the mounting hole of left and right crankcase 14,20, and right crankcase cover 13 is provided with oil transportation channel 19 and is communicated with clutch adjusting bolt hole 16.The main shaft 3 of speed changer is provided with the oil transportation channel 4 of axial perforation main shaft, and this oil transportation channel 4 is communicated with by the spiral chute 6 that is provided with on the through hole that radially is provided with on the main shaft 3 and the axial plane, and main shaft tooth 7 Spielpassung of reversing gear are provided with on the shaft part of spiral chute 6 at axial plane.One end of main shaft 3 and axle center are that collar bush 1 spline of through hole 5 is connected and is transition fit, the through hole 5 in collar bush 1 axle center is a step hole, on the big hole wall of step hole one end internal spline is set, stage clip 2 is housed in the macropore, pressure is changed 2 tension force collar bush 1 is held out against on right crankcase cover 13, the contact of formation face.Set up an oil transportation channel 15 on the right crankcase cover 13 and clutch is regulated bolt hole 16 be communicated with the through hole 5 of collar bush 1, the aperture of this oil transportation channel 15 is φ 1.8～2.0mm.Spindle mounting hole 18 and countershaft mounting hole 17 that one oil transportation channel 9 is communicated with on the casing are set on the left crankcase 14, and are communicated with the oil transportation channel 9 of main shaft 3 by spindle mounting hole 18.Oil transportation channel 10 axially is set in the shaft part of countershaft 8, and the two ends of this oil transportation channel 10 are communicated with respectively with the countershaft mounting hole 17 of left crankcase 14 and the spiral chute 11 of countershaft 8 axial planes by the through hole that radially is provided with.Countershaft one retaining tooth 12 Spielpassung are provided with on the shaft part of spiral chute 11 at countershaft 8 axial planes.
During engine operation, the shunting after the oil transportation channel 15 of right crankcase cover 13 enters clutch to regulate bolt hole 16 of the machine oil of oil pump output, one the tunnel still enters the lubricated connecting rod tip of oil transportation channel of bent axle, and the oil transportation channel 15 that another road is set up from right crankcase cover 13 enters the oil transportation channel 4 of main shaft through the through hole of collar bush 1.Enter the spiral chute 6 that main shaft 3 axial planes are provided with in a part of way, make spiral chute 6 form the wet type oil grooves, flow back to crankcase bottom after solving main shaft 3 and tooth 7 friction pairs that reverse gear lubricated; Another part enters the spiral chute 11 that countershaft 8 axial plane looks are put through the oil transportation channel 9 of left crankcase 14, the oil transportation channel 10 of countershaft, makes spiral chute 11 form the wet type oil groove, solves to flow back to crankcase bottom after countershaft 8 and keeps off lubricating of tooth 12 friction pairs.
The utility model has been realized the pressure lubrication to the small-displacement engine of motorcycle speed changer, in conjunction with original splash lubrication, can fully satisfy the lubricating requirement of speed changer, avoids the ablation tempering damage of speed changer driving gear, guarantees the working life of speed changer.
Claims (7)
1. the lubricating structure of an engine speed changer, the main shaft of speed changer (3), countershaft (8) is supported in a left side, right crankcase, right crankcase cover (13) is provided with oil transportation channel (19) and is communicated with clutch adjusting bolt hole (16), it is characterized in that: the main shaft of speed changer (3) is provided with oil transportation channel (4), one end of main shaft (3) and axle center are that collar bush (1) spline of through hole (5) is connected, setting up an oil transportation channel (15) on the right crankcase cover (13) regulates bolt hole (16) with clutch and is communicated with the through hole (5) of collar bush (1), main shaft (3) is provided with the spiral chute (6) that is communicated with oil transportation channel (4) with the axial plane that the tooth that reverses gear (7) cooperates, one oil transportation channel (9) is set on the left crankcase (14) to be communicated with the oil transportation channel (4) of main shaft (3), countershaft (8) is provided with oil transportation channel (10) and is communicated with the oil transportation channel (10) of left crankcase (14), and countershaft (8) is provided with the spiral chute (11) that is communicated with oil transportation channel (10) with the axial plane that a retaining tooth (12) cooperates.
2. the lubricating structure of engine speed changer according to claim 1, it is characterized in that: the oil transportation channel (4) of main shaft (3) axially connects main shaft, and radially is provided with through hole and is communicated with the spiral chute (6) of axial plane.
3. the lubricating structure of engine speed changer according to claim 1, it is characterized in that: the through hole (5) in collar bush (1) axle center is a step hole, and stage clip (2) is housed in the macropore of step hole one end, and internal spline is set on the hole wall.
4. the lubricating structure of engine speed changer according to claim 1 is characterized in that: the transition fit that is connected to of collar bush (1) and main shaft (3).
5. the lubricating structure of engine speed changer according to claim 1, it is characterized in that: oil transportation channel (15) is arranged in the wall of right crankcase cover (13), and the aperture is φ 1.8～2.0mm.
6. the lubricating structure of engine speed changer according to claim 1 is characterized in that: spindle mounting hole (18) and countershaft mounting hole (17) on oil transportation channel (9) the connection casing on the left crankcase (14).
7. the lubricating structure of engine speed changer according to claim 1, it is characterized in that: the oil transportation channel (10) of countershaft (8) axially is located in the shaft part of countershaft, and its two ends are communicated with respectively with the countershaft mounting hole (17) of left crankcase (14), the spiral chute (11) of axial plane by the through hole that radially is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420061474 CN2740784Y (en) | 2004-09-23 | 2004-09-23 | Lubricating mechanism of speed variator for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420061474 CN2740784Y (en) | 2004-09-23 | 2004-09-23 | Lubricating mechanism of speed variator for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2740784Y true CN2740784Y (en) | 2005-11-16 |
Family
ID=35351075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420061474 Expired - Fee Related CN2740784Y (en) | 2004-09-23 | 2004-09-23 | Lubricating mechanism of speed variator for engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2740784Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410103A (en) * | 2011-09-30 | 2012-04-11 | 洛阳北方企业集团有限公司 | Crankcase structure of motorcycle engine |
| CN104565227A (en) * | 2015-01-14 | 2015-04-29 | 重庆隆鑫发动机有限公司 | Direct-transmission engine speed changer and engine |
-
2004
- 2004-09-23 CN CN 200420061474 patent/CN2740784Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410103A (en) * | 2011-09-30 | 2012-04-11 | 洛阳北方企业集团有限公司 | Crankcase structure of motorcycle engine |
| CN104565227A (en) * | 2015-01-14 | 2015-04-29 | 重庆隆鑫发动机有限公司 | Direct-transmission engine speed changer and engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051116 Termination date: 20091023 |