CN1078152C - Lubricating oil discharging structure - Google Patents
Lubricating oil discharging structure Download PDFInfo
- Publication number
- CN1078152C CN1078152C CN 98105540 CN98105540A CN1078152C CN 1078152 C CN1078152 C CN 1078152C CN 98105540 CN98105540 CN 98105540 CN 98105540 A CN98105540 A CN 98105540A CN 1078152 C CN1078152 C CN 1078152C
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- mentioned
- bearing
- division plane
- axis hole
- oil extraction
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
To provide a lubricating oil discharging structure which can protect a tire from a lubricating oil in a simple structure. A transmission case is provided at the rear end of a belt control case 20 having its case split surface 52 at the opposite side of a belt holding the belt control case 20, and while a brake means 74 is provided on the outside of the side wall of the wet chamber of the transmission case, an output shaft 50 projecting to the outer side penetrating a shaft hole 58 formed on the above side wall is journalled ratatable by a bearing 67 fitted to the shaft hole 58, and at the same time, an oil seal 68 is provided from the bearing 67 of the above shaft hole 58 to the inner side of the wet chamber 70 and the circular space 59 formed between the oil seal 68 and the bearing 67 is communicated to the external space through a discharge oil passage 60 extending downward, so as to form the lubricating oil discharging structure. In such a lubricating oil discharging structure, the exhaust oil passage 60 is extended downward obliquely by approaching gradually to the case split surface 52 side, and the front end of the discharge oil passage 60 is positioned to the case split surface 52.
Description
The axle that the present invention relates generally to a kind of two-wheeled motor vehicle gearbox body is supporting the lubricating oil discharging structure of the moist chamber sidewall of output shaft.
Hereinafter use example shown in Figure 11 (real public clear 61-No. 43615 communiques of Japan) that lubricating oil discharging structure in the past is described.
Figure 11 is the cutaway view at the gearbox body 01 of the vertical plane intercepting that contains output shaft 03.
The train of gears 04 of gearbox body 01 is contained in the moist chamber 02.Be equipped with axis hole 01b on the sidewall 01a of moist chamber 02, bearing 05 is engaged among this axis hole 01b, and ground axle suspension free to rotate and passed the output shaft 03 that this axis hole 01b stretches out towards the outside.Moist chamber 02 1 sides at bearing 05 in this axis hole 01b are equipped with oil sealing 06.
The sponson of the output shaft 03 that stretches out towards the outside at the sidewall 01a from moist chamber 02 is embedded with brake wheel 08, constitutes brake equipment 07 between brake wheel 08 and the sidewall 01a, and brake wheel 08 is supporting the trailing wheel of double as rear-wheel hub.
Lubricating oil in the moist chamber 02 of gearbox body 01 is cut off by oil sealing 06; but; leaking into lubricating oil in the annulus 09 along output shaft 03 is imported in the oil extraction road 010 and is discharged to the outside; thereby; can prevent that lubricating oil from leaking into the outside from bearing 05, can protect brake equipment 08 to avoid the infringement of lubricating oil.
Though the division plane of gearbox body 01 is not shown in Figure 11, it is in the left side of gear, thereby the front opening 010a on oil extraction road 010 is positioned at the right side of this division plane.
Therefore the position of the front opening 010a on this oil extraction road 010 exists from the possibility of the lubricating oil infringement rear tire of opening 010a discharge owing to be near the left and right directions position that is inlaid in the trailing wheel on output shaft 03 outshot.
Particularly when the tire broad, the possibility of the lubricant pollution tire of discharge is just bigger.
Given this present invention puts and makes, and its objective is provides a kind of simple in structure and can protect tire to avoid the lubricating oil discharging structure of the pollution of lubricating oil.
In order to finish above-mentioned purpose, the invention provides a kind of lubricating oil discharging structure, rear end at the belt control box, opposite side at belt, be provided with the gearbox body of band casing division plane with the form that clips the belt control box with belt, moist chamber sidewall arranged outside brake equipment at this gearbox body, simultaneously, on this sidewall, be equipped with axis hole, the output shaft that passes this axis hole and stretch out towards the outside by the bearing ground axle suspension free to rotate that is engaged in the above-mentioned axis hole, and oil sealing is housed at the inboard place of the more close moist chamber of the above-mentioned bearing of ratio of this axis hole, between above-mentioned oil sealing and bearing, form annulus, the oil extraction road of extending towards the below through annulus is communicated with space outerpace, it is characterized in that, extend towards oblique below with the form that moves closer to casing division plane one side on above-mentioned oil extraction road, and the front end on this oil extraction road is positioned on the above-mentioned casing division plane.
Because extend with the form that moves closer to the casing division plane on the oil extraction road, the front end on oil extraction road is positioned on the casing division plane, therefore, the front end on oil extraction road is away from the left and right directions of the wheel that is inlaid in output shaft end, can avoid the lubricating oil of discharging from the oil extraction road front end pollution to tire.
The invention that claim 2 is put down in writing is based on that the lubricating oil discharging structure of claim 1 record makes, and it is characterized in that the front end on above-mentioned oil extraction road forms with above-mentioned casing division plane and constitutes conplane end face, and its opening is towards this casing division plane.
Because the front opening end face and the casing division plane on oil extraction road constitute same plane, opening is towards the casing division plane, thereby the lubricating oil of discharging from this opening falls in the opposite side of wheel of casing division plane relatively, can prevent the pollution of lubricating oil to tire more reliably.
In addition, open end and casing division plane are in same plane, are easy to processing.
The invention of claim 3 record, it is a kind of lubricating oil discharging structure, rear end at the belt control box, opposite side at belt, be provided with the gearbox body of band casing division plane with the form that clips the belt control box with belt, moist chamber sidewall arranged outside brake equipment at this gearbox body, simultaneously, on this sidewall, be equipped with axis hole, the output shaft that passes this axis hole and stretch out towards the outside by the bearing ground axle suspension free to rotate that is engaged in the above-mentioned axis hole, and oil sealing is housed at the inboard place of the more close moist chamber of the above-mentioned bearing of ratio of this axis hole, between above-mentioned oil sealing and bearing, form annulus, the oil extraction road of extending towards the below through annulus is communicated with space outerpace, it is characterized in that, extend towards oblique below with the form that moves closer to casing division plane one side on above-mentioned oil extraction road, and the front end on this oil extraction road is positioned at the position that surmounts the casing division plane.
Because extend with the form that moves closer to casing division plane one side on the oil extraction road; and further extend to the position that surmounts the casing division plane; make the front end on oil extraction road be positioned at the position that surmounts the casing division plane; therefore; the front end on oil extraction road is wheel further away from each other, can protect tire to avoid the pollution of removal of lubricant.
Fig. 1 is the two-wheeled motor vehicle unitary side view of one embodiment of the invention.
Fig. 2 is roughly along the II-O among Fig. 1-II line side cross sectional view.
Fig. 3 is along III among Fig. 1-III line side cross sectional view.
Fig. 4 is the External view of gearbox body.
Fig. 5 is the scheme drawing of gearbox body the inside.
Fig. 6 is along VI among Fig. 5-VI line side cross sectional view.
Fig. 7 is along VII among Fig. 4-VII line side cross sectional view.
Fig. 8 is along VIII among Fig. 7-VIII line side cross sectional view.
Fig. 9 is the IX direction view of Fig. 7.
Figure 10 is the cutaway view of the main portion of another embodiment.
Figure 11 represents the cutaway view of lubricating oil discharging structure in the past.
Hereinafter narrate one embodiment of the invention with reference to Fig. 1～Fig. 9.
Present embodiment is about being applicable to the structure of the two-wheeled motor vehicle 1 that has the component oscillating combustion engine, and Fig. 1 shows the unitary side view of this two-wheeled motor vehicle 1.
Vehicular body front 2 links together by lower tread portion 4 with rear vehicle 3.The vehicle frame 5 that constitutes body framing be branched off into two and the pair of right and left horizontal frame 5b, the 5b that extend towards the rear through the below of pedal 4 by the front vehicle frame 5a that Vehicular body front is descended, from the lower end of front vehicle frame 5a and from each rear end of this horizontal frame 5b, 5b backwards after the oblique upper pair of right and left of extending vehicle frame 5c, 5c constitute.
The top of the back vehicle frame 5c of rear vehicle 3 is provided with vehicle seat 6, and the downside of vehicle seat 6 sets storage bin 7.
On Vehicular body front 2, be provided with steering head 9,, setting up front-wheel 11 at its downside by front fork 10, by handlebar 8 direction of operating at the top of steering head 9 configuration handlebar 8.
Pendulous device 15 front ends are connected on the rear portion curve of horizontal frame 5b by link component 12.
Pendulous device 15 is equipped with posterior bumper 13 by means of be connected to swing freely along the vertical direction on the vehicle body frame 5 with link component 12 between the back vehicle frame 5b of the rear portion of pendulous device 15 and its top.
Pendulous device 15 and combustion engine 16 whole settings, combustion engine 16 is made the anterior double as crankcase of the belt control box 20 of long size with front and back.The rear portion double as gearbox body of belt control box 20 and axle are supporting trailing wheel 18.The power of combustion engine 16 is by passing to trailing wheel 18 as the belt control setup 17 with belt gear of automatic speed changing function.
Combustion engine 16 is two cycle internal combustion engines, and the cylinder 16a that is covered by guard shield 19 is establishing so that sweptback slightly posture is upright, forms air suctiton inlet 21, setting-in leaf valve on the suction hole of the downstream of air suctiton inlet 21 on the left crankcase of cylinder 16a.
Aspirate tube 22 rearward extends and bending from air suctiton inlet 21, and is connected with carburettor 23, and carburettor 23 is connected with the airfilter 25 that is provided in belt control box 20 latter half of upsides by connection pipe 24.
Fig. 2 is roughly along the expansion cutaway view of the above pendulous device 15 of II among Fig. 1-II line intercepting.
In crankcase, bent axle 31 by main bearing 29L, 29R ground axle suspension free to rotate, and the two ends that its left and right directions extends are protruding from crankcase.
In cylinder 16a, be connected with connecting rod 33 between the crank pin 31a of reciprocating piston 32 and bent axle 31.
Electrical generator 34 and cooling fan 35 are installed in right part at bent axle 31, and left end is installed the drive pulley 36 of belt control setup 17.
The left open face outer peripheral edges that the belt control box 20 of growth size is made in front and back are covered by transmission-case cover 40 by liner, and belt control setup 17 is contained in the inside of this belt control box 20.The rotation of bent axle 31 passes to the input shaft 46 of change speed gear box 45 by drive pulley 36, vee-belt 37, driven pulley 38 and centrifugal clutch 39.
The rear portion of belt control box 20 constitutes the left side gearbox body, and the right flank of this left side gearbox body is a division plane, have gearbox body 51 with the cooresponding casing division plane 52 of this right flank from the right side by liner and left side gearbox body integrator.
The transmission system 45 that is made of train of gears is equipped with in the inside of gearbox body, the power that is delivered to above-mentioned input shaft 46 passes to tween drive shaft 48 by the engagement of gear 46a, gear 47, and the rotation of tween drive shaft 48 passes to output shaft 50 by the engagement of gear 48a, gear 49.
On perisporium 51b, form several bolts hole 53 by cutting from casing division plane 52 1 sides.
In addition, carriage 54,55 rearward stretches out from the rear portion of perisporium 51b and forms, and its end is equipped with clamp mounting hole 54a, 55a.
On the other hand, on sidewall 51a, form two circular depressions 56,57, simultaneously, form the cylindrical portion 58 that constitutes axis hole highlightedly towards foreign side.
The casing division plane 52 of gearbox body 51 is towards the left side, and is involutory by the trailing portion face of liner and belt control box 20.In a side of belt control box 20, form respectively and circular depressions 56, circular depressions 57, the cylindrical portion 58 cooresponding bearing hole 20a of portion, circular depressions 20b, circular depressions 20c.Above-mentioned input shaft 46 is bearing in 20a of bearing hole portion and the circular depressions 56 by bearing 62,63 on bearing.Above-mentioned tween drive shaft 48 is bearing in circular depressions 20b and the circular depressions 57 by 64,65 on bearing.Output shaft 50 is bearing in circular depressions 20c and the cylindrical portion 58 by 66,67 on bearing.
As indicated above, the train of gears of transmission system 45 is contained in the gearbox body 51, the gearbox body 51 inner moist chambers 70 that are filled with lubricating oil that form.Output shaft 50 passes and is used for moist chamber 70 and the outside sidewall 51a that separates.Being engaged in the cylindrical portion 58 interior all bearings 67 that allow output shaft 50 pass is band leak free bearings, and is positioned at the position in the outer part of cylindrical portion 58, and is embedded with oil sealing 68 in the position in the inner part of cylindrical portion 58.
So the inboard of cylindrical portion 58 and the outside are sealed with having leak free bearing 67 by oil sealing 68 respectively, constitute double seal, and moist chamber 70 and outside are separated.
In cylindrical portion 58, between oil sealing 68 and bearing 67, form annulus 59, oil extraction road 60 as Fig. 3 reach as shown in Figure 7, extend to the left towards oblique below from the annulus 59 of this cylindrical portion 58, make linearity.
Therefore, the front opening on oil extraction road 60 forms towards division plane 52.
The cylindrical portion 58 that allows above-mentioned output shaft 50 pass is sealed by oil sealing 68 and band leak free bearing 67, however, also to constitute when lubricating oil when moist chamber 70 leaks into annulus 59, can import lubricating oil the oil extraction road 60 from annulus 59 towards the below and be discharged to the outside and be not discharged to the structure of right side side by bearing 67.
Be combined with wheel hub 76 on the output shaft 50 that stretches out towards right side foreign side by bearing 67 supporting, the wheel 78 of trailing wheel 18 by from wheel hub 76 towards the right side the prominent bolt of establishing 77 with being threaded of nut 79 intercalation on output shaft 50.
The clamp 73 that stride across this brake disc 74 are piston cylinder operators of face-off, are installed with by inserting bolt 72 screw threads of giving prominence to clamp mounting hole 54a, the 55a of the carriage 54,55 that is provided with in aforementioned gearbox body 51 rears.
Like this, though set brake disc 74, brake equipment is set in the right-hand outside of the sidewall 51a of gearbox body 51; but because the lubricating oil in the above-mentioned moist chamber 70 flows through oil extraction road 60; and can not arrange to bearing 67 sides, therefore, can protect brake equipment to avoid the evil of lubricating oil.
With reference to Fig. 3, the left surface (the vertical plane Vt of Fig. 3) that the left surface of trailing wheel 18 promptly is inlaid in the tire 18a on the wheel rim 78a of wheel 78 is positioned at the right side of the casing division plane 52 (the vertical plane Vp of Fig. 3) of gearbox body 51.
Therefore, the oil extraction road 60 that extends to casing division plane 52 is not only simple in structure, and the lubricating oil that falls from oil extraction road 60 front openings falls along vertical plane Vp, can not be bonded on the tire 18a, has avoided the pollution to tire 18a.
Particularly, the front opening end face on oil extraction road 60 and casing division plane 52 form at grade, and this opening forms towards casing division plane 52, thereby can not enter the right side of vertical plane Vp from the lubricating oil that opening is discharged, and have avoided the pollution to tire 18a.
In addition, because vertical plane Vp and vertical plane Vt (left surface of tire 18a) have enough intervals,, shown in Fig. 3 long and two-short dash line, like that, also have nargin even adorning the wide cut tire.
Therefore, even being installed, the tire of various sizes also can avoid the pollution of removal of lubricant to tire.
As indicated above, in gearbox body 51, oil extraction road 60 extends to casing division plane 52 places, and its front opening face and casing division plane 52 form on same plane, therefore, is easy to processing.
And oil extraction road 60 forms the communicating structure of linearity, and this also is easy to processing.
The oil extraction road 60 of above embodiment extends to casing division plane 52 places, but the oil extraction road is further extended.
That is to say that as shown in figure 10, the oil extraction road 95 of gearbox body 90 is with fin 96 straight-line extensions, and cross over casing division plane 91 and stretch out (except that gearbox body 90, other structures are same as the previously described embodiments, and identical components is represented with same numeral).
Therefore, the front opening on this oil extraction road 95 is farther from the left surface of trailing wheel 18, and the lubricating oil of discharging from front opening by oil extraction road 95 can not pollute trailing wheel 18, and then can be suitable for the tire of wide cut specification yet.
Claims (3)
1, a kind of lubricating oil discharging structure, rear end at the belt control box, opposite side at belt, be provided with the gearbox body of band casing division plane with the form that clips the belt control box with belt, moist chamber sidewall arranged outside brake equipment at this gearbox body, simultaneously, on this sidewall, be equipped with axis hole, the output shaft that passes this axis hole and stretch out towards the outside by the bearing ground axle suspension free to rotate that is engaged in the above-mentioned axis hole, and oil sealing is housed at the inboard place of the more close moist chamber of the above-mentioned bearing of ratio of this axis hole, between above-mentioned oil sealing and bearing, form annulus, the oil extraction road of extending towards the below through annulus is communicated with space outerpace, it is characterized in that above-mentioned oil extraction road is extended towards oblique below with the form that moves closer to casing division plane one side, the front end on this oil extraction road is positioned on the above-mentioned casing division plane.
2, lubricating oil discharging structure according to claim 1 is characterized in that, the front end on above-mentioned oil extraction road forms with above-mentioned casing division plane and constitutes conplane end face, and its opening is towards this casing division plane.
3, a kind of lubricating oil discharging structure, rear end at the belt control box, opposite side at belt, be provided with the gearbox body of band casing division plane with the form that clips the belt control box with belt, moist chamber sidewall arranged outside brake equipment at this gearbox body, simultaneously, on this sidewall, be equipped with axis hole, the output shaft that passes this axis hole and stretch out towards the outside by the bearing ground axle suspension free to rotate that is engaged in the above-mentioned axis hole, and oil sealing is housed at the inboard place of the more close moist chamber of the above-mentioned bearing of ratio of this axis hole, between above-mentioned oil sealing and bearing, form annulus, the oil extraction road of extending towards the below through annulus is communicated with space outerpace, it is characterized in that above-mentioned oil extraction road is extended towards oblique below with the form that moves closer to casing division plane one side, the front end on this oil extraction road is positioned at the position that surmounts the casing division plane.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP107316/97 | 1997-04-24 | ||
| JP10731697A JP3220410B2 (en) | 1997-04-24 | 1997-04-24 | Lubricating oil discharge structure |
| JP107316/1997 | 1997-04-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1197023A CN1197023A (en) | 1998-10-28 |
| CN1078152C true CN1078152C (en) | 2002-01-23 |
Family
ID=14455991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98105540 Expired - Fee Related CN1078152C (en) | 1997-04-24 | 1998-03-12 | Lubricating oil discharging structure |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3220410B2 (en) |
| CN (1) | CN1078152C (en) |
| IT (1) | ITTO980194A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6519046B2 (en) * | 2017-07-19 | 2019-05-29 | 本田技研工業株式会社 | Saddle-ride type vehicle |
-
1997
- 1997-04-24 JP JP10731697A patent/JP3220410B2/en not_active Expired - Fee Related
-
1998
- 1998-03-10 IT IT98TO000194A patent/ITTO980194A1/en unknown
- 1998-03-12 CN CN 98105540 patent/CN1078152C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ITTO980194A1 (en) | 1999-09-10 |
| JP3220410B2 (en) | 2001-10-22 |
| CN1197023A (en) | 1998-10-28 |
| JPH10299990A (en) | 1998-11-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| 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: 20020123 Termination date: 20110312 |