CN2821281Y - Two-stage automatic speed changer of motorcycle engine - Google Patents
Two-stage automatic speed changer of motorcycle engine Download PDFInfo
- Publication number
- CN2821281Y CN2821281Y CN 200520009534 CN200520009534U CN2821281Y CN 2821281 Y CN2821281 Y CN 2821281Y CN 200520009534 CN200520009534 CN 200520009534 CN 200520009534 U CN200520009534 U CN 200520009534U CN 2821281 Y CN2821281 Y CN 2821281Y
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- gear
- clutch
- shaft
- driven gear
- output shaft
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- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The utility model relates to a two-stage automatic speed changer of a motorcycle engine. A cover of a clutch is intermittently matched with a crank shaft, and the cover is fixedly connected with a driving gear; a driving disc of the clutch is connected with the crank shaft through splines; the cover is provided with a one-way clutch which is intermittently matched with the driving disc; a gear shaft of a transmission main shaft is intermittently matched with a geared sleeve; a cover of one clutch is connected with the gear shaft through splines; the driving disc is connected with the geared sleeve through splines. One of two driven gears of an output shaft is fixed to an output shaft and is engaged with the geared sleeve, and the other one is engaged with the gear shaft and is matched with the one-way clutch connected through splines on the output shaft. A starting gear of a back-flushing starting device is normally engaged on the driven gear which is engaged with the gear shaft. The utility model adopts the use mode that the centrifugal type automatic clutch is combined with the one-way clutch, the primary dynamic force is transmitted by the centrifugal type automatic clutch installed on the crank shaft, and the high speed dynamic force is transmitted by the centrifugal type automatic clutch installed on the transmission main shaft.
Description
Technical field
The utility model relates to a kind of speed change gear of motorcycle engine, particularly a kind of motorcycle engine two-stage automatic transimission.
Background technique
At present, the motorcycle automatic variable speed motor that is had on the market generally is divided into two speed ripple motor and the automatic ripple motor of three speed automatically, defectives such as its two speed secondary clutch of ripple automatically is to adopt the Wet-type multi-disc formula to combine with steel ball is centrifugal, exists and separates not exclusively, and noise is bigger; And the automatic transimission of the automatic ripple motor of three speed has two kinds: a kind of is Suzuki 125 foot plate bicycle automatic transimissions, and another kind is planet gear type three fast automatic transimissions.Suzuki 125 foot plate bicycle automatic transimissions can only be used for foot plate bicycle, and complex structure, and all there are inadequately situation easily in assembling and operation.And planet gear type three fast automatic transimissions, though can be used for the speed change drive part of various motorcycle engines, this automatic transimission can not adopt the pin starting arrangement to start, and becomes the sorry greatly of motor vehicular engine; Also there is certain defective in the structure of this automatic transimission simultaneously, because this device is to slow down by planet wheel to realize self-shifting, and planet wheel is a cantilever, when transferring power, the tie-rod of planet wheel outer cover direct easily and primary clutch rubs, and influences transmission of power, and produce unmanageable friction noise thus, and the link that is in transmission connection of three fast automatic transimissions is more, and the noise that its connecting link produces is also more relatively, is unfavorable for the environmental requirement of noise reduction; Especially because of planet wheel need be installed in the clutch housing wall, its shape is little and thin, damages easily, has strengthened user's maintenance burden.
Summary of the invention
The purpose of this utility model provides a kind of motorcycle engine two fast automatic transimissions, the mode that this device adopts centrifugal tyep automatic clutch to combine with overrunning clutch and use, with the elementary power of installing on the bent axle of centrifugal tyep automatic clutch transmission, by the centrifugal tyep automatic clutch driven high-speed power of installing on the transmission main shaft, and be combined with the pin startup.
The purpose of this utility model is achieved in that and comprises the bent axle that is supported in crankcase, transmission main shaft, the centrifugal tyep automatic clutch that is connected with driving gear is installed on the bent axle, be connected with driven gear on the transmission main shaft, driving gear and driven gear engagement, output shaft is supported on the crankcase of the left and right sides, it is characterized in that: the outer cover Spielpassung of described centrifugal tyep automatic clutch is on bent axle, fixedly connected driving gear on the outer cover, the driving disc with centrifugal shoe plate of clutch is connected with the bent axle spline, the outer overrunning clutch and the driving disc Spielpassung of being covered with of clutch, described transmission main shaft is made up of one geared sleeve of Spielpassung on the gear shaft, the outer cover of a centrifugal tyep automatic clutch circumferentially is fixedly connected on the gear shaft, the driving disc with centrifugal shoe plate of this clutch circumferentially is fixed on the geared sleeve, output shaft be provided with two respectively with gear shaft, the driven gear of geared sleeve engagement, one of them driven gear is circumferentially fixedlyed connected with output shaft, another driven gear Spielpassung has overrunning clutch and cooperates with output shaft clearance, the overrunning clutch spline is connected on the output shaft, the starter receiver length of recoil starting drive is engaged on the driven gear that meshes with gear shaft, and the recoil starting drive is supported on the crankcase.
Owing to adopted such scheme, the outer cover Spielpassung of described centrifugal tyep automatic clutch is on bent axle, fixedly connected driving gear on the outer cover, the driving disc with centrifugal shoe plate of clutch is connected with the bent axle spline, the outer overrunning clutch and the driving disc Spielpassung of being covered with of clutch, can transmit the power of bent axle output, can start power by the recoil that overrunning clutch transmission recoil starting drive is passed to again.Described transmission main shaft is made up of one geared sleeve of Spielpassung on the gear shaft, the drive mechanism of formative gear axle sleeve type, the outer cover of a circumferential fixedly connected centrifugal tyep automatic clutch on the gear shaft, the driving disc with centrifugal shoe plate of this clutch is circumferentially fixedlyed connected with geared sleeve, this centrifugal tyep automatic clutch cooperates with the drive mechanism of gear shaft shell type, centrifugal tyep automatic clutch in conjunction with the elementary power of installing on the bent axle of transmission, form the two-stage power transmission, the speed of a motor vehicle can be changed automatically with the variation of accelerator open degree.Be engaged on the output shaft by overrunning clutch with the low speed driven gear of the starter receiver engagement of recoil starting drive, when pin starts, overrunning clutch makes the low speed driven gear around output shaft idle running becoming startup carrier gear, to start transmission of power and give gear shaft, and the overrunning clutch that cooperates on the outer cover of the clutch by driven gear, driving gear, the elementary power of transmission and the outer cover passes to bent axle, drive Piston Compression recoil ato unit, it is extremely convenient to start.Owing to adopt the two-stage power transmission, its transmission component and the link that is in transmission connection are lacked than three grades of transmissions, and noise also reduces relatively, can reduce noise, can reduce production costs again.
The utility model reliable transmission, cost of production is low, is applicable to vertical or horizontal Engine Series.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is a structure diagram of the present utility model;
Embodiment
Referring to Fig. 1, the bent axle of crank-connecting rod assembly by bearings in a left side, right crankcase 19, on 21, bent axle 1 is equipped with the centrifugal tyep automatic clutch that is connected with primary drive gear 4, this clutch is as low-speed clutch, outer cover 2 Spielpassung of clutch are on bent axle 1, primary drive gear 4 splines are connected on the outer cover 2 of this clutch, adopt welding also can reach same effect, the driving disc 3 with centrifugal shoe plate of this clutch is connected with bent axle 1 spline and with the fastening location of nut, interference fit has overrunning clutch 5 on the outer cover 2 of clutch, overrunning clutch 5 and driving disc 3 Spielpassung with centrifugal shoe plate.Transmission main shaft is supported on the left and right crankcase 19,21.Described transmission main shaft is made up of gear shaft 7 and geared sleeve 10, high gear cover 10 of Spielpassung on the gear shaft 7, and the number of teeth of this high gear cover 10 is more than the number of teeth of gear shaft 7.Gear shaft 7 upper splines connect the outer cover 8 of an elementary driven gear 6 and a high-speed centrifugal automatic clutch, and with ring washer or the fastening location of nut, elementary driven gear 6 and primary drive gear 4 engagements.Driving disc 9 splines with centrifugal shoe plate of high-speed centrifugal automatic clutch are connected on the high gear cover 10, and geared sleeve 10 cooperates with right crankcase 21 by bearing.Output shaft 13 by bearings on left and right crankcase 19,21.This output shaft 13 is provided with two driven gears, and one of them high speed driven gear 11 is connected with output shaft 13 splines and meshes with high gear cover 10; On the low speed driven gear 12 Spielpassung have overrunning clutch 14 and with output shaft 13 Spielpassung, these overrunning clutch 14 splines are connected on the output shaft 13, low speed driven gear 12 and gear shaft 7 engagements.The number of teeth of described low speed driven gear 12 is more than the number of teeth of high speed driven gear 11.A recoil starting drive that starts for pin is supported on the left and right crankcase 19,21.The pin of this recoil starting drive starts starter receiver 15 of Spielpassung on the axle 20, starter receiver 15 often meshes with low speed driven gear 12, the ratchet 16 that spiral cooperates on the pin startup axle 20 is done very with starter receiver 15 by end tooth, and engagement cooperates, the jump ring 17 that starter receiver 15 is limited on the left crankcase 19 is circumferentially located, and the return spring 18 that pin starts axle 20 settings is limited in right crankcase 21.
During ato unit, handling starting bar with pin makes starting torque pass to low speed driven gear 12 by the ratchet 16 drive starter receivers 15 that pin opens on the axle 20, this moment overrunning clutch 14 with low speed driven gear 12 short circuits, make low speed driven gear 12 form idle running, become the startup carrier gear, low speed driven gear 12 is passed to gear shaft 7 with power, and power is passed to bent axle 1 by outer cover 8, the overrunning clutch 5 of elementary driven gear 6, primary drive gear 4, low-speed clutch, make Piston Compression recoil ato unit.After discharging manipulation, return spring 18 makes pin open axle 20 drive ratchets 16 and leaves starter receiver 15.
Engine operation, when the less engine speed of accelerator open degree is low, bent axle 1 drives rotating power outer cover 3 rotations of low-speed clutch by the driving disc 3 with centrifugal shoe plate of low-speed clutch, the outer cover 3 of low-speed clutch rotates by the gear shaft 7 that primary drive gear 4, elementary driven gear 6 drive transmission main shaft, and gear shaft 7 drives output shafts 13 rotation outputting powers by low speed driven gear 12 through overrunning clutch 14.This moment, though the outer cover 8 of high-speed centrifugal automatic clutch does not combine with the centrifugal shoe plate of driving disc 9 as yet with gear shaft 7 rotations, the high-speed centrifugal automatic clutch is transferring power not because engine speed is lower, and motor is in the slow speed turbine stage stage.
Aperture increasing along with throttle, the rotating speed of motor improves, when engine speed during in the 4000r/min left and right sides, when just being the 966r/min left and right sides in conjunction with rotating speed at a high speed, the centrifugal shoe plate of the high speed driving disc 9 of high-speed centrifugal automatic clutch combines with outer cover 8, the high-speed centrifugal automatic clutch is started working, so power drives 10 rotations of high speed driven gears by the outer cover 8 of clutch through middling speed driving disc 9, high gear cover 10, rotating power is directly exported by output shaft 13.At this moment, and overrunning clutch 14 is low speed driven gear 12 short circuits, and low speed driven gear 12 dallies around output shaft.Motor is in the level stage at a high speed.
Otherwise along with the aperture of throttle reduces gradually, the rotating speed of motor reduces gradually, and motor is by the level stage returns to the low speed level stage at a high speed.
Claims (5)
1. motorcycle engine two-stage automatic transimission, comprise the bent axle that is supported in crankcase, transmission main shaft, the centrifugal tyep automatic clutch that is connected with driving gear is installed on the bent axle, be connected with driven gear on the transmission main shaft, driving gear and driven gear engagement, output shaft is supported on the crankcase of the left and right sides, it is characterized in that: the outer cover Spielpassung of described centrifugal tyep automatic clutch is on bent axle, fixedly connected driving gear on the outer cover, the driving disc with centrifugal shoe plate of clutch is connected with the bent axle spline, the outer overrunning clutch and the driving disc Spielpassung of being covered with of clutch, described transmission main shaft is made up of one geared sleeve of Spielpassung on the gear shaft, the outer cover of a centrifugal tyep automatic clutch circumferentially is fixedly connected on the gear shaft, the driving disc with centrifugal shoe plate of this clutch circumferentially is fixed on the geared sleeve, output shaft be provided with two respectively with gear shaft, the driven gear of geared sleeve engagement, one of them driven gear is circumferentially fixedlyed connected with output shaft, another driven gear Spielpassung has overrunning clutch and cooperates with output shaft clearance, the overrunning clutch spline is connected on the output shaft, the starter receiver length of recoil starting drive is engaged on the driven gear that meshes with gear shaft, and the recoil starting drive is supported on the crankcase.
2. motorcycle engine two-stage automatic transimission according to claim 1, it is characterized in that: the number of teeth of the geared sleeve of Spielpassung is more than the number of teeth of gear shaft on the described gear shaft.
3. motorcycle engine two-stage automatic transimission according to claim 1, it is characterized in that: in two driven gears that are provided with on the described output shaft, with the driven gear that output shaft is circumferentially fixedlyed connected is the high speed driven gear, and the driven gear that meshes with gear shaft is the low speed driven gear.
4. motorcycle engine two-stage automatic transimission according to claim 3, it is characterized in that: the number of teeth of described high speed driven gear is less than the number of teeth of low speed driven gear.
5. motorcycle engine two-stage automatic transimission according to claim 1, it is characterized in that: described recoil starting drive is the pin starting drive, the starter receiver Spielpassung starts on the axle at pin, and pin starts axle and goes up a ratchet that spiral cooperates and do very with starter receiver by end tooth that engagement cooperates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520009534 CN2821281Y (en) | 2005-06-24 | 2005-06-24 | Two-stage automatic speed changer of motorcycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520009534 CN2821281Y (en) | 2005-06-24 | 2005-06-24 | Two-stage automatic speed changer of motorcycle engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2821281Y true CN2821281Y (en) | 2006-09-27 |
Family
ID=37017835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520009534 Expired - Fee Related CN2821281Y (en) | 2005-06-24 | 2005-06-24 | Two-stage automatic speed changer of motorcycle engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2821281Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003503A (en) * | 2010-11-19 | 2011-04-06 | 重庆理工大学 | Overrunning type double-clutch transmission |
| CN103511561A (en) * | 2012-06-15 | 2014-01-15 | 欧瑞康格拉齐亚诺股份公司 | Double-gear transmission device for electric motor |
| CN108278332A (en) * | 2018-04-05 | 2018-07-13 | 重庆康昌机械制造有限公司 | A kind of electric vehicle automatic shifting and the gearbox of reinforcing |
| CN109707804A (en) * | 2019-03-04 | 2019-05-03 | 上海斐罗工业设计有限公司 | A kind of battery-operated motor cycle two-shift automatic variable speed device |
-
2005
- 2005-06-24 CN CN 200520009534 patent/CN2821281Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003503A (en) * | 2010-11-19 | 2011-04-06 | 重庆理工大学 | Overrunning type double-clutch transmission |
| CN103511561A (en) * | 2012-06-15 | 2014-01-15 | 欧瑞康格拉齐亚诺股份公司 | Double-gear transmission device for electric motor |
| CN103511561B (en) * | 2012-06-15 | 2017-12-01 | 欧瑞康格拉齐亚诺股份公司 | Double-gear transmission device for motor |
| CN108278332A (en) * | 2018-04-05 | 2018-07-13 | 重庆康昌机械制造有限公司 | A kind of electric vehicle automatic shifting and the gearbox of reinforcing |
| CN109707804A (en) * | 2019-03-04 | 2019-05-03 | 上海斐罗工业设计有限公司 | A kind of battery-operated motor cycle two-shift automatic variable speed device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |