CN101875385A - Motorcycle rear rocker device - Google Patents
Motorcycle rear rocker device Download PDFInfo
- Publication number
- CN101875385A CN101875385A CN2009101322923A CN200910132292A CN101875385A CN 101875385 A CN101875385 A CN 101875385A CN 2009101322923 A CN2009101322923 A CN 2009101322923A CN 200910132292 A CN200910132292 A CN 200910132292A CN 101875385 A CN101875385 A CN 101875385A
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- China
- Prior art keywords
- driving wheel
- support
- motor bike
- side wall
- transmission gearbox
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Abstract
The invention relates to a motorcycle rear rocker device. The power unit of a motorcycle comprises a transmission case, a transmission shaft penetrating through the transmission case, a rear wheel which is apart from the transmission shaft and has a rear wheel axle and a driving unit, wherein the driving unit comprises a drive wheel arranged on the transmission shaft and a driven wheel arranged on the rear wheel axle. The rear rocker device comprises a combining unit arranged on the transmission case and a rocker arranged on the combining unit, wherein the rocker comprises a first support part and a second support part which are sleeved on the combining unit at intervals; the drive wheel is arranged between the first support part and the transmission case, thus effectively reducing the distance between the drive wheel and the transmission case, the distance between the driven wheel and the rear wheel and the length of the rear wheel axle, lowering the volume and weight of the motorcycle and prolonging the service life of the motorcycle.
Description
[technical field]
The invention relates to a kind of back rocker arm device, particularly about a kind of back rocker arm device of motor bike.
[background technology]
Consult Fig. 1, existing rocking arm supporting construction 1 is to be hubbed on the motor bike 100, this motor bike 100 comprises a transmission gearbox 101, one is arranged in the output shaft 102 of this transmission gearbox 101 pivotally, one is arranged on this output shaft 102 drive unit 103, one is hubbed at hind axle 104 on this rocking arm supporting construction 1 separately with this transmission gearbox 101, one is arranged at the trailing wheel 109 on this hind axle 104, and energy one drives the engine (figure does not show) that this output shaft 102 rotates, this drive unit 103 comprises that one is arranged on this output shaft 102 and is positioned at the drive sprocket 106 in the outside of this rocking arm supporting construction 1, one be arranged on this hind axle 104 by movable sprocket 107, and one around be overlying on this drive sprocket 106 with by the chain 108 of movable sprocket 107, utilization is arranged at the drive sprocket 106 and chain 108 on the output shaft 102, engine power is passed to is rotated to drive this trailing wheel 109 on the movable sprocket 107.
And this rocking arm supporting construction 1 comprise one with this output shaft 102 coaxial be arranged on this transmission gearbox 101 and the tubular first pivot fulcrum 11, be hubbed at rear arm 12 on this first pivot fulcrum 11, one and this first pivot fulcrum 11 second pivot fulcrum 13, of wearing this rear arm 12 on the contrary be arranged in this rear arm 12 and be hubbed at cylindrical bearing 14 on this first pivot fulcrum 11, and two overlap and to be arranged in this rear arm 12 and to be hubbed at ball bearing of main shaft 15 on this second pivot fulcrum 13, and this output shaft 102 is to be arranged in this first pivot fulcrum 11.
Wherein, this rear arm 12 has one first support 121 that lays respectively at these transmission gearbox 101 two opposite sides, and one second support 122, wherein, this first support 121 has one and is provided with this cylindrical bearing 14, and can be relatively first section of being pivoted 124 that is pivoted for an end of this hind axle 104 of first adapter section 123, of this first pivot fulcrum, 11 pivots pendulum, and first linkage section 125 that connects this first adapter section 123 and this first section of being pivoted 124; And having one, this second support 122 is provided with these ball bearing of main shafts 15, and can be relatively second section of being pivoted 127 that is pivoted for the other end of this hind axle 104 of second adapter section 126, of this second pivot fulcrum, 13 pivots pendulum, and second linkage section 128 that connects this second adapter section 126 and this first section of being pivoted 127.
Because this drive sprocket 106 is to be arranged on this output shaft 102, and be positioned at the outside of first adapter section 123 of this first support 121, cause and this drive sprocket 106 cooperatively interacts that this is increased by the spacing between movable sprocket 107 and this trailing wheel 109, also make simultaneously the length of this hind axle 104 increase, and make this first linkage section 125 present the aspect that tilts to bend towards these first section of being pivoted, 124 directions, so not only make the volume of this motor bike 100 and weight heighten; This hind axle 104 more likely causes structural strength decline because length is long, and then has influenced the service life of this motor bike 100; And owing to this is increased by the spacing between movable sprocket 107 and this trailing wheel 109, cause this drive sprocket 106 to drive this and produced bigger moment in this hind axle 104 by the application force of movable sprocket 107, make trailing wheel 109 when running, be offset easily, influence the degree of stability of this motor bike 100.
Therefore, how to reduce the volume and the weight of this motor bike 100, and can promote the service life of this motor bike 100, become the target that relevant dealer desires most ardently improvement.
[summary of the invention]
Therefore, purpose of the present invention is promptly providing a kind of volume and the weight that can dwindle motor bike, and increases the back rocker arm device of the motor bike in motor bike service life.
So, the back rocker arm device of motor bike of the present invention is to be connected on the power unit of a motor bike, the power unit of this motor bike comprise one have separately a first side wall and the transmission gearbox of one second sidewall, one is arranged in the first side wall and the terminal transmission shaft that is hubbed on this second sidewall internal face of this transmission gearbox pivotally, one with this transmission shaft separately and have a trailing wheel of a hind axle, an and drive unit that is arranged on this transmission shaft, this drive unit comprises that one is arranged on this transmission shaft and is positioned at the driving wheel in this first side wall outside, one is arranged at the follower on this hind axle, reach one around the moving part that is overlying on this driving wheel and follower, the power that power unit transmitted that makes this motor bike is via this transmission shaft, driving wheel, moving part, follower and transmit and drive this trailing wheel and rotate, this back rocker arm device comprises a combining unit that is arranged on this transmission gearbox, and a rocking arm that is arranged on this combining unit.
This combining unit comprises that one is arranged at first combining mechanism on the first side wall outside wall surface of this transmission gearbox, and one be arranged at second combining mechanism on the second sidewall outside wall surface of this transmission gearbox in contrast to this first combining mechanism, wherein, this first combining mechanism comprises that one is arranged on this first side wall outside wall surface and cover is overlying on the bracing frame of this driving wheel.
This rocking arm comprises that one is embedded with a clutch shaft bearing and is hubbed at first support on this bracing frame, and one be hubbed at second support on this second combining mechanism at interval with this first support, wherein, this driving wheel is between the first side wall of this first support and this transmission gearbox, and the two ends of this hind axle are to be hubbed at this first and second support respectively on an end of this transmission gearbox, and this trailing wheel can be with this transmission gearbox swing relatively of this first and second support.
Effect of the present invention is to utilize cover to be overlying on the bracing frame of this driving wheel, make that this driving wheel can be between the first side wall of this first support and this transmission gearbox, effectively reduce this driving wheel and this first side wall, and the distance between this follower and this trailing wheel and reduce the length of this hind axle, and then reduce the volume and the weight of motor bike, and can promote the service life of motor bike.
[description of drawings]
Fig. 1 is a part sectional view, and the aspect of existing rocking arm supporting construction is described;
Fig. 2 is a lateral plan, and first preferred embodiment of the back rocker arm device of motor bike of the present invention is described
Fig. 3 is a part sectional view, aid illustration Fig. 2;
Fig. 4 is a local amplification view, the thin portion member among aid illustration Fig. 3; And
Fig. 5 is a local amplification view, and second preferred embodiment of the back rocker arm device of motor bike of the present invention is described.
2 back rocker arm devices, 243 first pivots pendulum section
21 combining units, 244 first linkage sections
22 first combining mechanisms, 245 first adapter sections
221 bracing frames, 246 second pivots pendulum section
223 cover plates, 247 second linkage sections
224 columns, 248 second adapter sections
225 projections, 249 clutch shaft bearings
226 third axles hold 3 power units
227 registration masts, 31 transmission gearboxs
23 second combining mechanisms, 311 the first side walls
231 second bearings, 312 second sidewalls
232 fix shafts, 32 transmission shafts
24 rocking arms, 321 knock holees
241 first supports, 34 trailing wheels
242 second supports, 341 hind axles
35 drive unit 353 moving parts
351 driving wheels
352 followers
[specific embodiment]
About aforementioned and other technology contents, characteristics and effect of the present invention, in the following detailed description that cooperates with reference to two graphic preferred embodiments, can clearly present.
The present invention be described in detail before, be noted that in the following description content similar elements is to represent with identical numbering.
Consult Fig. 2,3, first preferred embodiment of the back rocker arm device 2 of motor bike of the present invention is to be connected on the motor bike power unit 3 of (figure does not show), the power unit 3 of this motor bike comprise one have separately a first side wall 311 and the transmission gearbox 31 of one second sidewall 312, one is arranged in the first side wall 311 and the terminal transmission shaft 32 (only being shown in Fig. 3) that is hubbed on these second sidewall, 312 internal faces of this transmission gearbox 31 pivotally, one with this transmission shaft 32 separately and have a trailing wheel 34 of a hind axle 341, an and drive unit 35 that is arranged on this transmission shaft 32, this drive unit 35 comprises that one is arranged on this transmission shaft 32 and is positioned at the driving wheel 351 in these the first side wall 311 outsides, one is arranged at the follower 352 on this hind axle 341, and one around being overlying on the moving part 353 of this driving wheel 351 with follower 352, makes power that this power unit 3 transmitted via this transmission shaft 32, driving wheel 351, moving part 353, follower 352 and transmission drive this trailing wheel 34 and rotate.
In this preferred embodiment, this driving wheel 351 is belt pulleys with follower 352, and this moving part 353 is around the belt that is overlying on this driving wheel 351 and the follower 352, certainly, this driving wheel 351 and follower 352 be sprocket wheel also, this moving part 353 then is around the chain that is overlying on this driving wheel 351 and the follower 352, still can reach to make power that this power unit 3 transmits via this transmission shaft 32, driving wheel 351, moving part 353, follower 352 and transmission drives the effect that this trailing wheel 34 rotates.This back rocker arm device 2 comprises a combining unit 21 that is arranged on this transmission gearbox 31, and a rocking arm 24 that is arranged on this combining unit 21.
Consult Fig. 3,4, what this needed explanation earlier be, Fig. 4 is the partial enlarged drawing of Fig. 3 for convenience of description, this combining unit 21 comprises that one is arranged at first combining mechanism 22 on the first side wall 311 outside wall surface of this transmission gearbox 31, and one be arranged at second combining mechanism 23 on second sidewall, 312 outside wall surface of this transmission gearbox 31 in contrast to this first combining mechanism 22, wherein, this first combining mechanism 22 comprises that one is arranged on these the first side wall 311 outside wall surface and cover is overlying on the bracing frame 221 of this driving wheel 351, wherein, this bracing frame 221 have one with this driving wheel 351 cover plate 223 separately, a plurality of from this cover plate 223 the first side wall 311 directions towards this transmission gearbox 31 along stretching and being fixedly arranged on column 224 on these the first side wall 311 outside wall surface, reach a projection 225 of stretching in contrast to the first side wall 311 directions edge of transmission gearbox 31 from these cover plate 223 courts, wherein, and the diameter of this projection 225 less than the diameter of this cover plate 223.
This second combining mechanism 23 comprises that one is arranged at second bearing 231 on second sidewall, 312 outside wall surface of this transmission gearbox 31, an and fix shaft 232 that is placed through pivotally in this second bearing 231, the outer peripheral face of this second bearing 231 is to be embedded on the outside wall surface of this second sidewall 312, and the inner peripheral surface of this second bearing 231 then is to be pressed against on this fix shaft 232.
This rocking arm 24 comprises that one is embedded with a clutch shaft bearing 249 and is hubbed at first support 241 on this bracing frame 221, and one be located at second support 242 on this fix shaft 232 with these first support, 241 spacing sleeves, wherein, this first support 241 has one and is embedded with a clutch shaft bearing 249 and is hubbed at first linkage section 244 that first pivot pendulum section 243, on the projection 225 of this bracing frame 221 connects this first pivot pendulum section 243, and first adapter section 245 that connects this first linkage section 244; This second support 242 has second pivot pendulum section 246 that is hubbed on the fix shaft 232 of this second combining mechanism 23, one connects second linkage section 247 of this second pivot pendulum section 246, and second adapter section 248 of this second linkage section 247 of connection, these clutch shaft bearing 249 outer peripheral faces are to be embedded in this first pivot pendulum section 243, and these clutch shaft bearing 249 inner peripheral surfaces are to be pressed against on the outer peripheral edges of this projection 225, this driving wheel 351 is between the first side wall 311 of first pivot pendulum section 243 of this first support 241 and this transmission gearbox 31, and the two ends of this hind axle 341 be hubbed at respectively this first, two adapter sections 245, on 248, and this trailing wheel can with this first, two supports 241,242 relative these transmission gearbox 31 swings.
From the above, the back rocker arm device 2 of motor bike of the present invention on reality is used, has the advantage of the following stated:
1. overall volume is little; Utilize cover to be overlying on the described column 224 of the bracing frame 221 of this driving wheel 351, making this driving wheel 351 is to put between the first side wall 311 of section 243 and this transmission gearbox 31 at first pivot of this first support 241, effectively shorten the length of this transmission shaft 32, simultaneously, make that also the follower 352 that is arranged on the hind axle 341 can be more near this trailing wheel 34, shorten the length of this hind axle 341, and then reduce the volume of this back rocker arm device 2, effectively make this motor bike miniaturization lightweight.
2. structural strength height: continuous above-mentioned, owing to can effectively shorten the length of this transmission shaft 32 and hind axle 341, therefore, under identical material and section situation, can improve the structural strength of this transmission shaft 32 and hind axle 341; The moment that is produced in this hind axle 341 in the time of also effectively slowing down this driving wheel 351 and drive these followers 352 with moving part 353, so promote motor bike control stability and service life.
3. outward appearance is good: because this driving wheel 351 is to put between the first side wall 311 of section 243 and this transmission gearbox 31 at first pivot of this first support 241, make this moving part 353 also can be between this first support 241 and this first side wall 311, avoid this moving part 353 to expose to outside first pivot pendulum section 243 of this first support 241, make the outward appearance of motor bike more succinctly attractive in appearance.
Consult Fig. 5, second preferred embodiment of the back rocker arm device 2 of motor bike of the present invention roughly is identical with this first preferred embodiment, identical place is superfluous words no longer, place inequality is: this transmission shaft 32 is formed with a knock hole 321 towards an end of this cover plate 223, and having more a third axle that is arranged in this knock hole 321, this first combining mechanism 22 holds 226, this bracing frame 221 then has more one and holds registration mast 227 226 in towards this transmission gearbox 31 directions along stretching and being arranged in this third axle from this cover plate 223, wherein, it then is to abut against in this knock hole 321 that this third axle holds 226 outer peripheral face, and third axle holds 226 inner peripheral surface is to be embedded on this registration mast 227, makes this transmission shaft 32 can utilize this third axle to hold 226 and rotate relative to this registration mast 227.
Because the integral structure of present embodiment is roughly all identical with aforementioned first preferred embodiment, so above-mentioned mentioned various effects, present embodiment also can be reached really, do not repeat them here, in addition, present embodiment more can utilize this registration mast 227 to support an end of these transmission shaft 32 outstanding these the first side walls 311, improves the rotational stability of this transmission shaft 32 on the one hand, can prevent also that on the other hand this transmission shaft 32 from producing distortion because of the weight of driving wheel 351.
In sum, the back rocker arm device 2 of motor bike of the present invention utilizes and covers first combining mechanism 22 that is overlying on this driving wheel 351, make this driving wheel 351 to put between the first side wall 311 of section 243 and this transmission gearbox 31 at first pivot of this first support 241, effectively reduce the distance between this driving wheel 351 and this first side wall 311, reach the distance of 34 of this follower 352 and this trailing wheels, and then reduce the length of this transmission shaft 32 and hind axle 341, to reduce the volume and the weight of motor bike, and the structural strength that can promote motor bike is with stability and then improve service life, so can reach purpose of the present invention really.
The above, it only is preferred embodiment of the present invention, when not limiting scope of the invention process with this, promptly the simple equivalent of being done according to the present patent application claim and invention description content generally changes and modifies, and all still belongs in the scope that patent of the present invention contains.
Claims (7)
1. the back rocker arm device of a motor bike, be to be connected on the power unit of a motor bike, the power unit of this motor bike comprise one have separately a first side wall and the transmission gearbox of one second sidewall, one is arranged in the first side wall and the terminal transmission shaft that is hubbed on this second sidewall internal face of this transmission gearbox pivotally, one with this transmission shaft separately and have a trailing wheel of a hind axle, an and drive unit that is arranged on this transmission shaft, this drive unit comprises that one is arranged on this transmission shaft and is positioned at the driving wheel in this first side wall outside, one is arranged at the follower on this hind axle, reach one around the moving part that is overlying on this driving wheel and follower, so that the power that power unit transmitted of this motor bike is via this transmission shaft, driving wheel, moving part, follower and transmit and drive this trailing wheel and rotate, this back rocker arm device comprises:
One combining unit, comprise that one is arranged at first combining mechanism on the first side wall outside wall surface of this transmission gearbox, and one be arranged at second combining mechanism on the second sidewall outside wall surface of this transmission gearbox in contrast to this first combining mechanism, wherein, this first combining mechanism comprises that one is arranged on this first side wall outside wall surface and cover is overlying on the bracing frame of this driving wheel; And
One rocking arm, comprise that one is embedded with a clutch shaft bearing and is hubbed at first support on this bracing frame, and one be hubbed at second support on this second combining mechanism at interval with this first support, wherein, this driving wheel is between the first side wall of this first support and this transmission gearbox, and the two ends of this hind axle are to be hubbed at this first and second support respectively on an end of this transmission gearbox, and this trailing wheel can be with this transmission gearbox swing relatively of this first and second support.
2. the back rocker arm device of motor bike as claimed in claim 1, it is characterized in that: the bracing frame of this first combining mechanism have one with separately cover plate of this driving wheel, a plurality of from this cover plate towards this transmission gearbox direction along stretching and being fixedly arranged on column on this first side wall outside wall surface, reach a projection of stretching in contrast to the first side wall direction edge of transmission gearbox from this cover plate court, wherein, the inner peripheral surface of this clutch shaft bearing is to be pressed against on the outer peripheral edges of this projection, and the diameter of this projection is less than the diameter of this cover plate.
3. the back rocker arm device of motor bike as claimed in claim 2, it is characterized in that: this transmission shaft is formed with a knock hole towards an end of this cover plate, and this first combining mechanism has a third axle that is arranged in this knock hole and holds, and this bracing frame also have one from this cover plate towards this transmission gearbox direction along stretching and being arranged in the registration mast of this third axle in holding.
4. as claim 1, the back rocker arm device of 2 or 3 described motor bikes, it is characterized in that: this first support has first pivot that is embedded with this clutch shaft bearing and puts section, one connects first linkage section of this first pivot pendulum section, and first adapter section of this first linkage section of connection, this second support has second pivot that is hubbed at this second combining mechanism and puts section, one connects second linkage section of this second pivot pendulum section, and second adapter section of this second linkage section of connection, this clutch shaft bearing outer peripheral face is to be embedded at this first pivot pendulum section, this driving wheel is between the first side wall of first pivot of this first support pendulum section and this transmission gearbox, and the two ends of this hind axle be hubbed at respectively this first, on two adapter sections
5. the back rocker arm device of motor bike as claimed in claim 4, it is characterized in that: this second combining mechanism comprises that one is arranged at second bearing on the second sidewall outside wall surface of this transmission gearbox, and a fix shaft that is placed through pivotally in this second bearing, second pivot pendulum section of this second support is to be sheathed on this fix shaft.
6. the back rocker arm device of motor bike as claimed in claim 5, it is characterized in that: this driving wheel and follower are sprocket wheels, and this moving part is around the chain that is overlying on this driving wheel and the follower.
7. the back rocker arm device of motor bike as claimed in claim 5, it is characterized in that: this driving wheel and follower are belt pulleys, and this moving part is around the belt that is overlying on this driving wheel and the follower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101322923A CN101875385A (en) | 2009-04-30 | 2009-04-30 | Motorcycle rear rocker device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101322923A CN101875385A (en) | 2009-04-30 | 2009-04-30 | Motorcycle rear rocker device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101875385A true CN101875385A (en) | 2010-11-03 |
Family
ID=43018092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101322923A Pending CN101875385A (en) | 2009-04-30 | 2009-04-30 | Motorcycle rear rocker device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101875385A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI694032B (en) * | 2015-09-29 | 2020-05-21 | 義大利商比雅久股份有限公司 | Rear of a motorcycle with cardan-shaft transmission and related motorcycle |
-
2009
- 2009-04-30 CN CN2009101322923A patent/CN101875385A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI694032B (en) * | 2015-09-29 | 2020-05-21 | 義大利商比雅久股份有限公司 | Rear of a motorcycle with cardan-shaft transmission and related motorcycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101103 |