CN103899740A - CVT (constant-voltage transformer) transmission structure assembly and motorcycle - Google Patents
CVT (constant-voltage transformer) transmission structure assembly and motorcycle Download PDFInfo
- Publication number
- CN103899740A CN103899740A CN201410113577.3A CN201410113577A CN103899740A CN 103899740 A CN103899740 A CN 103899740A CN 201410113577 A CN201410113577 A CN 201410113577A CN 103899740 A CN103899740 A CN 103899740A
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- China
- Prior art keywords
- cvt
- housing
- drive mechanism
- mechanism assembly
- side end
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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
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
- F16H57/0416—Air cooling or ventilation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
- B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
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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
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0487—Friction gearings
- F16H57/0489—Friction gearings with endless flexible members, e.g. belt CVTs
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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
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
- F16H2057/02065—Gearboxes for particular applications for vehicle transmissions for motorcycles or squads
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a CVT (constant-voltage transformer) transmission structure assembly and a motorcycle. The CVT transmission structure assembly comprises a CVT shell, a driving wheel set and a driven wheel set, wherein the driving wheel set and the driven wheel set are positioned in the CVT shell; and an air inlet and an air outlet are respectively formed in two longitudinal ends of the CVT shell correspondingly. A CVT transmission subassembly is positioned in the CVT shell, and can be protected. Moreover, the CVT shell is provided with the air inlet and the air outlet, convection type heat dissipation is realized, a heat dissipation channel dissipates heat smoothly, heat dissipation on the transmission subassembly is facilitated, heat generated by high-speed running of a transmission mechanism can be timely dissipated, heat accumulation generated by transmission is avoided, the problem that the transmission mechanism is damaged due to the fact that heat cannot be dissipated is solved, potential safety hazards, which are caused by the problem, of a whole driving system are eliminated, and normal long-period running of a CVT system is guaranteed.
Description
Technical field
The present invention relates to a kind of motorcycle transmission system and motorcycle, particularly a kind of CVT drive mechanism assembly and motorcycle.
Background technique
CVT(stepless speed variator) there is good Economy, power character and driving smoothness for Motor Vehicle, and reduced discharge and cost, thereby, in prior art, also there is the technological scheme of using it for motorcycle, thereby improve the economic performance of motorcycle; The transmission part of CVT can produce larger heat in transmission process, if this heat can not shed in time, the heat that transmission produces is easy to gather, the problem that can cause driving mechanism to damage, whole drive system is caused to potential safety hazard, affect the normal long-term operation of CVT system; Particularly active wheels and driven wheels are passed through to band transmission with transmission, all can produce larger heat, the heat producing and the negative effect causing are urgently to be resolved hurrily.
Therefore, need to improve existing CVT drive mechanism, the heat producing that runs up for driving mechanism can shed in time, the heat accumulation of avoiding transmission to produce, thereby avoid because the problem that the driving mechanism that heat dissipation problem causes damages, eliminate the potential safety hazard of the whole drive system being caused by this problem, guarantee the normal long-term operation of CVT system.
Summary of the invention
In view of this, the invention provides a kind of CVT drive mechanism assembly and motorcycle, the heat producing that runs up for driving mechanism can shed in time, the heat accumulation of avoiding transmission to produce, thereby avoid because the problem that the driving mechanism that heat dissipation problem causes damages, eliminate the potential safety hazard of the whole drive system being caused by this problem, guarantee the normal long-term operation of CVT system.
CVT drive mechanism assembly of the present invention, comprises CVT housing and the active wheels and the driven wheels that are positioned at CVT housing, and the longitudinal two ends of described CVT housing respectively correspondence are provided with intake grill and exhaust outlet; CVT(stepless speed variator) structure do not repeat them here, the pto＝power take-off section transmission cooperation that can be the bent axle of motor is provided with centrifugal clutch, for outputting power to the driven shaft of CVT, on the driven shaft of CVT, be still provided with centrifugal clutch, belong to the prior art of CVT, do not repeating at this.
Further, the inner chamber of described CVT housing is by the setting that is inclined upwardly of intake grill side end to exhaust outlet side end; Be obliquely installed the inner chamber that is beneficial to CVT housing and realize the upper cold lower gaseous exchange principle of heat, make heat dissipation channel heat radiation smooth and easy, be applicable to the convective flow of heat, the driving mechanism (centrifugal clutch) being beneficial between the two dispels the heat; The structure being obliquely installed can be adapted to adopt the mounting structure that CVT driven shaft is placed in to the oblique upper of CVT driving shaft, shorten mounting distance, there is compact mounting structure, be applicable to motorcycle (particularly motor tricycle), car load layout is coordinated, not only be beneficial to vehicle and better realize the security needs such as antidetonation, and make speed changer be installed on driving part for direct drive of wheel together with motor; Because the entirety of volume is dwindled, reduce installing space, facilitate and installed and arrange the manufacture cost of also having saved whole driving arrangement.
Further, described active wheels are arranged at CVT driving shaft, and driven wheels are arranged at CVT driven shaft, and CVT driving shaft transmission cooperation is provided with impeller inducer, and intake grill is near impeller inducer side, and exhaust outlet is near CVT driven shaft side; CVT driving shaft by transmission of power in CVT driven shaft, also drive impeller inducer to inhale cold wind and connect the inner chamber of CVT housing after discharge, pressure wind-guiding is cooling, greatly strengthen cooling effect, simultaneously, because intake grill is positioned at CVT driving shaft side, the higher position of temperature in first cooling this drive cavity, improves the radiating effect of whole assembly.
Further, the acclivitous angle of inner chamber of described CVT housing is 15 °-25 °, the drive cavity inclined degree of this scope is beneficial to the arrangement relation guaranteeing between motor and speed changer, make full use of limited arrangement space, make the compactedness of the two interference that mounting arrangements can not occur and assurance structure.
Further, described CVT housing is fixedly connected with the motor body of motor or is integrally formed, and CVT housing is covered and formed by a side end cap; This structure is beneficial to protection CVT dirivig member, forms the cavity of sealing, is beneficial to and realizes the impact of lubricating and preventing extraneous rugged environment.
Further, CVT housing comprises and being fixedly connected with the motor body of motor or integrally formed formation CVT casing base, described CVT housing is connected to form by the edge seal of CVT casing base edge and side end cap, simple in structure and sealing is reliable, the cavity forming has enough space mounting, and is easy to be shaped; Structural stability and stable drive, reduce operation vibrations.CVT driving shaft extends and is supported on the clutch shaft bearing seat that side end cap is provided with by clutch shaft bearing, CVT driven shaft extend and the second bearing support of being provided with in side end cap by the second bearings on, structural stability and stable drive, reduce operation vibrations, guarantees the long-term operation of rotatable parts;
Further, described CVT housing is the bar shaped cavity that is inclined upwardly and arranges adapting with the layout with drive mechanism of CVT, belongs to the conventional structure of CVT with drive mechanism, and bar shaped cavity is beneficial to cooling air and runs through whole driving mechanism, further strengthens cooling effect; Described impeller inducer is integrally formed on the fixed tray of active wheels of CVT, simple and compact for structure, saves installation process and mounting structure.
Further, described intake grill is on the upper side with respect to the inner chamber of CVT housing, and exhaust outlet is on the upper side with respect to the inner chamber of CVT housing; According to the pressure air inducing principle of impeller inducer, cooling air is drawn towards drive cavity bottom and is derived by exhaust outlet, and cooling air runs through whole cooling chamber, meet the convection current rule of cold and hot gas, thereby guarantee to eliminate cooling dead angle, be beneficial to smooth and easy cooling drive cavity, guarantee the normal operation of driving mechanism.
Further, described side end cap is corresponding with intake grill is provided with the outside wind channel that is recessed to form, and this wind channel is the center to impeller inducer just; Be provided with wind guide channel corresponding to described exhaust outlet, this wind guide channel is obliquely installed and is consistent with the interior cavity dumping of CVT housing; Utilize wind channel and the control of wind guide channel construction forces, be more conducive to cooling air and run through whole drive cavity, meanwhile, wind guide channel is the center to impeller inducer just, is beneficial to and reduces wind-guiding power consumpiton.
The invention also discloses a kind of motorcycle, this motorcycle is provided with described CVT drive mechanism assembly.
Beneficial effect of the present invention: CVT drive mechanism assembly of the present invention, be positioned at a drive cavity for the transmitting assemblies between motor and speed changer, be beneficial to this transmitting assemblies of protection, and, drive cavity has intake grill and exhaust outlet, realize convection type heat radiation, heat dissipation channel heat radiation is smooth and easy, be beneficial to transmitting assemblies heat radiation, the heat producing that runs up for driving mechanism can shed in time, the heat accumulation of avoiding transmission to produce, thereby avoid because the problem that the driving mechanism that heat dissipation problem causes damages, eliminate the potential safety hazard of the whole drive system being caused by this problem, guarantee the normal long-term operation of CVT system.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is that Fig. 1 is along A to view;
Fig. 3 is perspective view of the present invention (removing side end cap).
Embodiment
Fig. 1 is structural representation of the present invention, Fig. 2 is that Fig. 1 is along A to view, Fig. 3 is perspective view of the present invention (removing side end cap), as shown in the figure: the CVT drive mechanism assembly of the present embodiment, comprise CVT2 housing and the active wheels and the driven wheels that are positioned at CVT2 housing, the longitudinal two ends of described CVT2 housing respectively correspondence are provided with intake grill 8 and exhaust outlet 9; CVT2(stepless speed variator) structure do not repeat them here.
In the present embodiment, the inner chamber of described CVT housing is by the setting that is inclined upwardly of intake grill 8 side ends to exhaust outlet 9 side ends; Be obliquely installed to be beneficial in the inner chamber of CVT housing and realize the upper cold lower gaseous exchange principle of heat, make heat dissipation channel heat radiation smooth and easy, be applicable to the convective flow of heat, the driving mechanism being beneficial between the two dispels the heat; The structure being obliquely installed can be adapted to adopt driven CVT wheels are placed in to the initiatively mounting structure of the oblique upper of wheels of CVT, shorten mounting distance, there is compact mounting structure, be applicable to motorcycle (particularly CVT speed changer is for motor tricycle), car load layout is coordinated, not only be beneficial to vehicle and better realize the security needs such as antidetonation, and make speed changer be installed on driving part for direct drive of wheel together with motor; Because the entirety of volume is dwindled, reduce installing space, facilitate and installed and arrange the manufacture cost of also having saved whole driving arrangement.
In the present embodiment, described active wheels are arranged at CVT driving shaft 6, and driven wheels are arranged at CVT driven shaft 4, and the 6 transmissions cooperations of CVT driving shaft are provided with impeller inducer 5, and intake grill 8 is near impeller inducer 5 sides, and exhaust outlet 9 is near CVT driven shaft 4 sides; CVT driving shaft 6 by transmission of power in CVT driven shaft 4, also drive impeller inducer 5 to inhale cold wind and connect drive cavity after discharge, pressure wind-guiding is cooling, greatly strengthen cooling effect, simultaneously, because intake grill is positioned at CVT driving shaft 6 sides, the higher position of temperature in first cooling this drive cavity, improves the radiating effect of whole assembly; The driving shaft 6 of CVT can be engine power output shaft, the structure of CVT does not repeat them here, as shown in the figure, start 1 by the bent axle outputting power in crankcase 17, pto＝power take-off section is extended crankcase 17 and is formed CVT driving shaft 6, and initiatively wheels are arranged at CVT driving shaft 6, by output power to the driven wheels of CVT2 with drive mechanism, initiatively wheels and driven wheels include fixed tray and movable plate, belong to the prior art of CVT, are not repeating at this.
In the present embodiment, the acclivitous angle of inner chamber of described CVT housing is 15 °-25 °, the drive cavity inclined degree of this scope be not only beneficial to cooled gas mild blow at the bottom of chamber after discharge from exhaust outlet again, also be beneficial to the arrangement relation guaranteeing between motor and speed changer, make full use of limited arrangement space, make the compactedness of the two interference that mounting arrangements can not occur and assurance structure.
In the present embodiment, described CVT housing is fixedly connected with the motor body of motor 1 or is integrally formed, and CVT housing is covered and formed by a side end cap; This structure is beneficial to the drive mechanism between protection motor and speed changer, forms the cavity of sealing, is beneficial to and realizes the impact of lubricating and preventing extraneous rugged environment.
In the present embodiment, CVT housing comprises and being fixedly connected with the motor body of motor or integrally formed formation CVT casing base 13, described CVT housing is connected to form by the edge seal of CVT casing base 13 edges and side end cap 3, simple in structure and sealing is reliable, the cavity forming has enough space mounting, and is easy to be shaped; Structural stability and stable drive, reduce operation vibrations; CVT driving shaft 6 extends and is supported on the clutch shaft bearing seat that side end cap 3 is provided with by clutch shaft bearing 14, CVT driven shaft 4 extends and is supported on the second bearing support that side end cap 3 is provided with by the second bearing 15, structural stability and stable drive, reduce operation vibrations, guarantee the long-term operation of rotatable parts; As shown in the figure, CVT driven shaft 4 outputs power by one speed reducer 12, housing and the motor body of this retarder are integrally formed, CVT casing base 13 is all fixedly connected with the housing of motor body and retarder, or integrally formed, make Whole Equipment compactedness and soundness and stability all better.
In the present embodiment, described CVT2 housing is the bar shaped cavity that is inclined upwardly and arranges adapting with the layout with drive mechanism of CVT2, belongs to the conventional structure of CVT with drive mechanism, does not repeat them here; This bar shaped shell construction compactness, transmission is smooth and easy; And it is smooth and easy mobile without dead angle that bar shaped cavity is beneficial to cooling air, runs through whole driving mechanism, further strengthens cooling effect; Described impeller inducer 5 is integrally formed on the fixed tray of active wheels of CVT, simple and compact for structure, saves installation process and mounting structure.
In the present embodiment, described intake grill 8 is on the upper side with respect to the inner chamber of CVT housing, and exhaust outlet 9 is on the upper side with respect to the inner chamber of CVT housing; According to the pressure air inducing principle of impeller inducer 5, cooling air is drawn towards drive cavity bottom and is derived by exhaust outlet, and cooling air runs through whole cooling chamber, meet the convection current rule of cold and hot gas, thereby guarantee to eliminate cooling dead angle, be beneficial to smooth and easy cooling drive cavity, guarantee the normal operation of driving mechanism.
In the present embodiment, described side end cap 3 is corresponding with intake grill 8 is provided with outside wind channel 7, the just center to impeller inducer 5 of this wind channel 7 of being recessed to form; Be provided with wind guide channel 10 corresponding to described exhaust outlet 9, this wind guide channel 10 is obliquely installed and is consistent with the interior cavity dumping of CVT housing, and as shown in the figure, wind guide channel is communicated in drive cavity 12 and extends drive cavity 12; Utilize wind channel and the control of wind guide channel construction forces, be more conducive to cooling air and run through whole drive cavity 12, in conjunction with described angle of inclination, in standard drive cavity, air-flow is mobile, is beneficial to high efficiency and heat radiation; Meanwhile, wind guide channel is the center to impeller inducer just, is beneficial to and reduces wind-guiding power consumpiton.Meanwhile, meanwhile, wind channel 10 causes the just center to impeller inducer 5 of direction (outlet), is beneficial to and reduces wind-guiding power consumpiton.
The invention also discloses a kind of motorcycle, this motorcycle is provided with the CVT drive mechanism assembly described in above-described embodiment.
Finally explanation is, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technological scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (10)
1. a CVT drive mechanism assembly, is characterized in that: comprise CVT housing and the active wheels and the driven wheels that are positioned at CVT housing, the longitudinal two ends of described CVT housing respectively correspondence are provided with intake grill and exhaust outlet.
2. CVT drive mechanism assembly according to claim 1, is characterized in that: the inner chamber of described CVT housing is by the setting that is inclined upwardly of intake grill side end to exhaust outlet side end.
3. CVT drive mechanism assembly according to claim 2, it is characterized in that: described active wheels are arranged at CVT driving shaft, and driven wheels are arranged at CVT driven shaft, CVT driving shaft transmission cooperation is provided with impeller inducer, intake grill is near impeller inducer side, and exhaust outlet is near CVT driven shaft side.
4. CVT drive mechanism assembly according to claim 2, is characterized in that: the acclivitous angle of inner chamber of described CVT housing is 15 °-25 °.
5. CVT drive mechanism assembly according to claim 2, is characterized in that: described CVT housing is fixedly connected with the motor body of motor or is integrally formed, and CVT housing is covered and formed by a side end cap.
6. CVT drive mechanism assembly according to claim 5, is characterized in that: CVT housing comprises and being fixedly connected with the motor body of motor or integrally formed formation CVT casing base; Described CVT housing is connected to form by the edge seal of CVT casing base edge and side end cap; CVT driving shaft extends and is supported on the clutch shaft bearing seat that side end cap is provided with by clutch shaft bearing, CVT driven shaft extend and the second bearing support of being provided with in side end cap by the second bearings on.
7. CVT drive mechanism assembly according to claim 3, it is characterized in that: described CVT housing is the bar shaped cavity that is inclined upwardly and arranges adapting with the layout with drive mechanism of CVT, and described impeller inducer is integrally formed on the fixed tray of active wheels of CVT.
8. CVT drive mechanism assembly according to claim 2, is characterized in that: described intake grill is on the upper side with respect to the inner chamber of CVT housing, and exhaust outlet is on the upper side with respect to the inner chamber of CVT housing.
9. CVT drive mechanism assembly according to claim 5, is characterized in that: described side end cap is corresponding with intake grill is provided with the outside wind channel that is recessed to form, and this wind channel is the center to impeller inducer just; Be provided with wind guide channel corresponding to described exhaust outlet, this wind guide channel is obliquely installed and is consistent with the interior cavity dumping of CVT housing.
10. a motorcycle, is characterized in that: this motorcycle is provided with the CVT drive mechanism assembly described in the arbitrary claim of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410113577.3A CN103899740B (en) | 2014-03-25 | 2014-03-25 | CVT drive mechanisms assembly and motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410113577.3A CN103899740B (en) | 2014-03-25 | 2014-03-25 | CVT drive mechanisms assembly and motorcycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103899740A true CN103899740A (en) | 2014-07-02 |
| CN103899740B CN103899740B (en) | 2018-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410113577.3A Expired - Fee Related CN103899740B (en) | 2014-03-25 | 2014-03-25 | CVT drive mechanisms assembly and motorcycle |
Country Status (1)
| Country | Link |
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| CN (1) | CN103899740B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002019680A (en) * | 2000-07-05 | 2002-01-23 | Yamaha Motor Co Ltd | Power transmission for motorcycle engine |
| JP2005291274A (en) * | 2004-03-31 | 2005-10-20 | Daihatsu Motor Co Ltd | Cooling device for belt-type continuously variable transmission |
| JP2010236626A (en) * | 2009-03-31 | 2010-10-21 | Fuji Heavy Ind Ltd | Cooling device of v-belt type continuously variable transmission |
| CN102889374A (en) * | 2012-10-29 | 2013-01-23 | 浙江信阳实业有限公司 | All-terrain vehicle stepless speed change cooling system device |
| CN103032535A (en) * | 2011-10-06 | 2013-04-10 | 川崎重工业株式会社 | Belt type continuously variable transmission |
| CN103573994A (en) * | 2012-08-09 | 2014-02-12 | 光阳工业股份有限公司 | Stepless speed variator |
| CN204592254U (en) * | 2014-03-25 | 2015-08-26 | 重庆隆鑫发动机有限公司 | CVT speed change assembly and motorcycle |
-
2014
- 2014-03-25 CN CN201410113577.3A patent/CN103899740B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002019680A (en) * | 2000-07-05 | 2002-01-23 | Yamaha Motor Co Ltd | Power transmission for motorcycle engine |
| JP2005291274A (en) * | 2004-03-31 | 2005-10-20 | Daihatsu Motor Co Ltd | Cooling device for belt-type continuously variable transmission |
| JP2010236626A (en) * | 2009-03-31 | 2010-10-21 | Fuji Heavy Ind Ltd | Cooling device of v-belt type continuously variable transmission |
| CN103032535A (en) * | 2011-10-06 | 2013-04-10 | 川崎重工业株式会社 | Belt type continuously variable transmission |
| CN103573994A (en) * | 2012-08-09 | 2014-02-12 | 光阳工业股份有限公司 | Stepless speed variator |
| CN102889374A (en) * | 2012-10-29 | 2013-01-23 | 浙江信阳实业有限公司 | All-terrain vehicle stepless speed change cooling system device |
| CN204592254U (en) * | 2014-03-25 | 2015-08-26 | 重庆隆鑫发动机有限公司 | CVT speed change assembly and motorcycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103899740B (en) | 2018-04-03 |
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Granted publication date: 20180403 Termination date: 20210325 |