CN203876572U - Engine-CVT driving device and motorcycle - Google Patents

Abstract

The utility model discloses an engine-CVT driving device and a motorcycle. The driving device comprises an engine and a CVT, wherein a driving shaft of the CVT is parallel to and in transmission fit with a driven shaft of the CVT, and the driven shaft of the CVT is positioned at the inclined upper position of the driving shaft of the CVT. The driving device disclosed by the utility model adopts a mounting structure that the driven shaft of the CVT is placed at the inclined upper position of the driving shaft of the CVT, so that a mounting distance is shortened; and the driving device is in a compact mounting structure, the driving device is suitable for the motorcycle (especially for a motor tricycle), so that the layout of the whole motorcycle is coordinated. The driving device is not only favorable for the motorcycleto better meet safety requirements for shock resistance, and the like, and the CVT and the engine can be mounted together at a driving position to be used for directly driving wheels. Because the whole volume is reduced, the mounting space is reduced, the mounting and the arrangement are convenient, and the manufacturing cost of the whole driving device is also saved. Because the inclined structure is adopted, realizing a gas convection principle of rise with heat and fall with cold in a CVT casing is facilitated, so that the driving device is suitable for heat convective flow, the heat dissipation of a heat dissipation passage is smooth, and the heat dissipation of a transmission mechanism of the CVT is facilitated.

Description

Driving engine-CVT actuating device and motor bike

Technical field

The utility model relates to a kind of motorcycle transmission system and motor bike, particularly a kind of driving engine-CVT actuating device and motor bike.

Background technology

CVT(toric transmission) for self-propelled vehicle, there is good economy, dynamic property and driving ride comfort, and reduced discharge and cost, thereby, in prior art, also there is the technical scheme of using it for motor bike, thereby improve the economic performance of motor bike.In prior art, CVT installs for motor bike (comprising motor-tricycle), for standard and the commonality that guarantees to install, between CVT and driving engine, being level installs, namely the axis of the driven shaft of the imput shaft of CVT (the power deferent segment axle of driving engine) line and CVT, in same level, is convenient to install and transmission.For motor bike, arrangement space for driving engine and CVT is limited, particularly for driving the structure that is directly output in wheel (can directly pass through diff), due to limited space and the stable firmly suspension of needs, it is inharmonious that the drive mechanism of horizontal arrangement makes driving engine and CVT install, and affects shockproof, compactness and the safety performance of car load; Meanwhile, arrangement structure between the master and slave moving axis of existing CVT adopts the parallel mode of level, for putting also level thereupon of housing cavity between the two; Due to the transmission of CVT structure, can produce more heat, the heat that this structure causes transmission to produce is easy to gather, and is unfavorable for the transmission device heat radiation between the two, affects the normal long-term operation of transmission device.

Therefore, need to improve existing driving engine-CVT actuating device, there is compact mounting structure, be applicable to motor bike, car load layout is coordinated, not only be beneficial to vehicle and better realize the security needs such as antidetonation, be more conducive to be directly used in the close-coupled installation that drives wheel, meanwhile, heat dissipation channel heat radiation is smooth and easy, the convective flow that is applicable to heat, is beneficial to the transmission device heat radiation between the two.

Utility model content

In view of this, the utility model provides a kind of driving engine-CVT actuating device and motor bike, has compact mounting structure, be applicable to motor bike, car load layout is coordinated, be not only beneficial to vehicle and better realize the security needs such as antidetonation, be more conducive to be directly used in the close-coupled installation that drives wheel; Meanwhile, heat dissipation channel heat radiation is smooth and easy, is applicable to the convective flow of heat, is beneficial to the transmission device heat radiation between the two.

Driving engine-CVT actuating device of the present utility model, comprises driving engine and the CVT coordinating with engine crankshaft transmission, and the imput shaft of CVT is parallel with the driven shaft of CVT, and the driven shaft of described CVT is positioned at the oblique upper of the imput shaft of CVT; The structure of CVT comprises the active wheels that are arranged at imput shaft (can be the power take-off shaft section of the bent axle of driving engine) and the driven wheels that are arranged at driven shaft, and initiatively wheels and driven wheels belong to the routine techniques of CVT, do not repeat them here.

Further, the coplanar ° angle, 15 ° of angle-25 that is with respect to the horizontal plane of the driven shaft axis of CVT and the imput shaft axis of CVT; The inclined degree of this scope is beneficial to the arrangement relation guaranteeing between driving engine and CVT, makes full use of limited arrangement space, makes the compactedness of the two interference that mounting arrangements can not occur and assurance structure.

Further, described CVT is positioned at a CVT housing, and the imput shaft transmission cooperation of described CVT is provided with an impeller inducer, is positioned at described CVT housing two ends and is respectively equipped with the air outlet near the ventilation inlet of impeller inducer side and the driven shaft side of close CVT; This structure is beneficial to the drive mechanism between protection driving engine and CVT; form the cavity of sealing; be beneficial to and realize the impact of lubricating and preventing extraneous harsh environment; bent axle power take-off shaft section by transmission of power in the driven shaft of CVT; after also driving impeller inducer suction cold wind and connecting drive cavity, discharge; make transmission device realize heat radiation preferably, utilize ventilation inlet and air outlet to make to form the cooling-gallery connecting in housing, be more conducive to shedding of heat.

Further, CVT housing is fixedly connected with motor body or is integrally formed, and the imput shaft of described CVT is extended to form by the power take-off shaft section of engine crankshaft axle; Simple and compact for structure, globality is strong, and the structure setting in conjunction with tilting, more can reduce to take up an area space.

Further, described CVT housing is the bar shaped cavity that is inclined upwardly and arranges that the layout with drive mechanism with CVT adapts, and belongs to the conventional structure of CVT with drive mechanism, certainly has initiatively wheels and driven wheels, and include reaction plate and movable plate, do not repeat them here; And bar shaped cavity is beneficial to cooling air and runs through whole transmission device, further strengthens cooling performance; Described impeller inducer is integrally formed on the reaction plate of active wheels of CVT, simple and compact for structure, saves installation process and mounting structure.

Further, described ventilation inlet is positioned at the close impeller inducer side on the upper side of CVT housing, air outlet be positioned at CVT housing close CVT driven shaft side also on the upper side; According to the pressure air inducing principle of impeller inducer, cooling air is drawn towards CVT housing inner bottom part and is derived by air outlet, and cooling air runs through in whole CVT housing, the convection current rule that meets 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 transmission device.

Further, described CVT housing comprises CVT casing base and side end cap, and 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, and the cavity of formation has enough space mounting, and is easy to be shaped; CVT imput shaft (can be bent axle power take-off shaft section) is extended 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 seat of being provided with in side end cap by the second bearings on, Stability Analysis of Structures and stable drive, reduce operation vibrations; CVT casing base is fixedly connected with the motor body of described driving engine or is integrally formed; Side end cap is corresponding with ventilation inlet is provided with the outside wind channel that is recessed to form, and this wind channel is over against the center of impeller inducer; Be provided with wind guide channel corresponding to described air outlet, this wind guide channel is obliquely installed and tilts consistent with drive cavity; Utilize wind channel and wind guide channel construction forces to control, be more conducive to cooling air and run through whole drive cavity, meanwhile, wind channel, over against the center of impeller inducer, is beneficial to and reduces wind-guiding consumption of power.

Further, also comprise diff, the differential casing of described diff is fixedly connected with motor body or is integrally formed, and the driven shaft of described CVT and the power intake of diff are in transmission connection; Common way is that differential casing is fixedly connected on to motor body common fixed installation, the compact form of driving engine of the present utility model between CVT is combined the connection structure of diff, make whole drive system more can be applicable to the structures such as preposition forerunner or rearmounted rear-guard, improve driving efficiency.

Further, the power intake of described diff is diff power input shaft, and the power input shaft of diff is parallel with the left and right semiaxis of diff; The driven shaft of CVT is in transmission connection by the power input shaft of one speed reducer and diff, and the power take-off shaft of described retarder coordinates with diff power input shaft coaxial transmission; The reducer shell of described retarder is fixedly connected with motor body or is integrally formed and be fixedly connected with CVT housing or integrally formed; Simple and compact for structure and convenient layout; The drive connection of diff power input shaft and diff is prior art, does not repeat them here.

The invention also discloses a kind of motor bike, this motor bike is provided with described driving engine-CVT actuating device.

The beneficial effects of the utility model: driving engine-CVT actuating device of the present utility model, employing is placed in the driven shaft of CVT the mounting structure of oblique upper of the imput shaft of CVT, shortened mounting distance, there is compact mounting structure, be applicable to motor bike (particularly motor-tricycle), car load layout is coordinated, be not only beneficial to vehicle and better realize the security needs such as antidetonation, and make CVT be installed on driving part for direct drive of wheel together with driving engine; Because the integral body of volume is dwindled, reduced installing space, facilitated and installed and arrange the manufacturing cost of also having saved whole driving arrangement; Owing to adopting inclined structure, be beneficial in CVT housing and realize the upper cold lower gaseous exchange principle of heat, be applicable to the convective flow of heat, make heat dissipation channel heat radiation smooth and easy, be beneficial to CVT transmission device and dispel the heat.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further described.

Fig. 1 is structural representation of the present utility model;

Fig. 2 is that Fig. 1 is along A to view;

Fig. 3 is that Fig. 2 is along B to view;

Fig. 4 is perspective view of the present utility model (removing side end cap).

The specific embodiment

Fig. 1 is structural representation of the present utility model, Fig. 2 is that Fig. 1 is along A to view, Fig. 3 is that Fig. 2 is along B to view, Fig. 4 is perspective view of the present utility model (removing side end cap), as shown in the figure: driving engine-CVT actuating device of the present embodiment, comprise driving engine 1 and the CVT2 coordinating with engine crankshaft transmission, the imput shaft 6 of CVT is parallel with the driven shaft 4 of CVT, and the driven shaft 4 of described CVT is positioned at the oblique upper of the imput shaft 6 of CVT; The imput 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, power take-off shaft section is extended crankcase 17 and is formed CVT imput shaft 6, and the 6 transmissions cooperations of CVT imput shaft are provided with initiatively wheels, output power to the driven wheels of the driven shaft of CVT2 by drive mechanism, the prior art that belongs to CVT, is not repeating at this.

In the present embodiment, the coplanar ° angle, 15 ° of angle-25 that is with respect to the horizontal plane of driven shaft 4 axis of CVT and imput shaft 6 axis of CVT; The inclined degree of this scope is beneficial to the arrangement relation guaranteeing between driving engine and CVT, makes full use of limited arrangement space, makes the compactedness of the two interference that mounting arrangements can not occur and assurance structure.

In the present embodiment, described CVT is positioned at a CVT housing, and the imput shaft 6 transmissions cooperations of described CVT are provided with an impeller inducer 5, are positioned at described CVT housing two ends and are respectively equipped with the air outlet 9 near the ventilation inlet 8 of impeller inducer side and driven shaft 4 sides of close CVT; This structure is beneficial to the drive mechanism between protection driving engine 1 and CVT2; form the cavity of sealing; be beneficial to and realize the impact of lubricating and preventing extraneous harsh environment; bent axle power take-off shaft section by transmission of power in the driven shaft 4 of CVT2; after also driving impeller inducer 5 suction cold wind and connecting drive cavity, discharge; make transmission device realize heat radiation preferably, utilize ventilation inlet 8 and air outlet 9 to make to form the cooling-gallery connecting in CVT housing, be more conducive to shedding of heat.

In the present embodiment, CVT2 housing is fixedly connected with driving engine 1 housing or is integrally formed, and the imput shaft of described CVT is extended to form by the power take-off shaft section of engine crankshaft axle; Simple and compact for structure, globality is strong, and the structure setting in conjunction with tilting, more can reduce to take up an area space.

In the present embodiment, described CVT2 housing is the bar shaped cavity that is inclined upwardly and arranges that the layout with drive mechanism with CVT2 adapts, and belongs to the conventional structure of CVT with drive mechanism, certainly has initiatively wheels and driven wheels, and include reaction plate and movable plate, do not repeat them here; This bar shaped housing structure is compact, and 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 transmission device, further strengthens cooling performance; Described impeller inducer 5 is integrally formed on the reaction plate of active wheels of CVT, simple and compact for structure, saves installation process and mounting structure.

In the present embodiment, described ventilation inlet 8 is positioned at close impeller inducer 5 sides on the upper side of CVT2 housing, air outlet 9 be positioned at CVT2 housing close CVT2 driven shaft 4 sides also on the upper side; According to the pressure air inducing principle of impeller inducer 5, cooling air is drawn towards CVT2 housing inner bottom part and is derived by air outlet 9, cooling air runs through in whole CVT2 housing, the convection current rule that meets cold and hot gas, thereby guarantee to eliminate cooling dead angle, be beneficial in smooth and easy cooling CVT housing, guarantee the normal operation of transmission device.

In the present embodiment, described CVT2 housing comprises CVT casing base 16 and side end cap 3, and described CVT housing is connected to form by the edge seal of CVT casing base 16 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; CVT imput shaft 6(can be bent axle power take-off shaft section) extend and be supported on the clutch shaft bearing seat that side end cap 3 is provided with by clutch shaft bearing 19, CVT driven shaft 4 extends and is supported on the second bearing seat that side end cap 3 is provided with by the second bearing 20, Stability Analysis of Structures and stable drive, reduce operation vibrations, guarantee the long-term operation of rotatable parts; CVT casing base is fixedly connected with the motor body of described driving engine or is integrally formed; Side end cap 3 is corresponding with ventilation inlet 8 is provided with the outside wind channel 7 that is recessed to form, and is outwards outside with respect to CVT housing; This wind channel 7 is over against the center of impeller inducer 5; Be provided with wind guide channel 10 corresponding to described air outlet 9, this wind guide channel 10 is obliquely installed and is consistent with cavity dumping in CVT housing; As shown in the figure, wind guide channel 10 is communicated in CVT housing inner chamber and extends CVT housing inner chamber; Utilize wind channel 7 and wind guide channel 10 construction forces to control, be more conducive to cooling air and run through whole CVT housing inner chamber, 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 channel causes that direction (outlet) is over against the center of impeller inducer, is beneficial to and reduces wind-guiding consumption of power.

In the present embodiment, also comprise diff 11, the differential casing of described diff 11 is fixedly connected with driving engine 1 housing or is integrally formed, common way is diff 11 housings to be fixedly connected on to driving engine 1 housing or retarder or case of transmission by adjacency are fixedly connected on motor body, realizes all housings and jointly fixedly mounts; The driven shaft of described CVT and the power intake of diff are in transmission connection; The compact form of driving engine 1 of the present utility model between CVT2 is combined the connection structure of diff, makes whole drive system more can be applicable to the structures such as preposition forerunner or rearmounted rear-guard, improves driving efficiency.

In the present embodiment, the power intake of described diff 11 is diff power input shaft 12, and the power input shaft 12 of diff 11 is parallel with the left and right semiaxis of diff 11, is the structure of prior art; The driven shaft 4 of CVT2 is in transmission connection by one speed reducer 18 and the power input shaft of diff 11, the power take-off shaft 13 of described retarder 18 coordinates with diff power input shaft 12 coaxial transmissions, can pass through spline, flange transmission or shaft coupling transmission, not repeat them here; Simple and compact for structure and convenient layout; Diff 11 power input shafts 12 are prior art with the drive connection of diff 11, do not repeat them here; The reducer shell of described retarder 18 is fixedly connected with motor body or is integrally formed and be fixedly connected with CVT housing or integrally formed; In the present embodiment, diff 11 housings are fixedly connected with by hanging connecting panel 14,15 with reducer shell, this suspension connecting panel 14,15 is for jointly hanging on driving engine 1, CVT, retarder and diff 11 vehicle frame (can preposition or be placed on back axle), and for driving wheel, compact conformation also improves transmission drive efficiency; The power take-off shaft of described retarder is connected with the power input shaft direct-drive of diff 11, as shown in the figure, the compact form of driving engine 1 of the present utility model between CVT2 is combined the connection structure of diff, make whole drive system more can be applicable to the structures such as preposition forerunner or rearmounted rear-guard, improve driving efficiency.

The invention also discloses a kind of motor bike, this motor bike is provided with the driving engine-CVT actuating device described in above-described embodiment.

Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model 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 the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.

Claims (10)

1. driving engine-CVT actuating device, is characterized in that: comprise driving engine and the CVT coordinating with engine crankshaft transmission, the imput shaft of CVT is parallel with the driven shaft of CVT, and the driven shaft of described CVT is positioned at the oblique upper of the imput shaft of CVT.

2. driving engine-CVT actuating device according to claim 1, is characterized in that: the coplanar ° angle, 15 ° of angle-25 that is with respect to the horizontal plane of the driven shaft axis of CVT and the imput shaft axis of CVT.

3. driving engine-CVT actuating device according to claim 1, it is characterized in that: described CVT is positioned at a CVT housing, the imput shaft transmission cooperation of described CVT is provided with an impeller inducer, is positioned at described CVT housing two ends and is respectively equipped with the air outlet near the ventilation inlet of impeller inducer side and the driven shaft side of close CVT.

4. driving engine-CVT actuating device according to claim 3, is characterized in that: CVT housing is fixedly connected with motor body or is integrally formed, and the imput shaft of described CVT is extended to form by the power take-off shaft section of engine crankshaft axle.

5. driving engine-CVT actuating device according to claim 3, it is characterized in that: the bar shaped cavity that be inclined upwardly arrange of described CVT housing for adapting with the layout with drive mechanism of CVT, described impeller inducer is integrally formed on the reaction plate of active wheels of CVT.

6. driving engine-CVT actuating device according to claim 3, is characterized in that: described ventilation inlet is positioned at the close impeller inducer side of CVT housing on the upper side, air outlet be positioned at CVT housing close CVT driven shaft side also on the upper side.

7. driving engine-CVT actuating device according to claim 3, is characterized in that: described CVT housing comprises CVT casing base and side end cap, and described CVT housing is connected to form by the edge seal of CVT casing base edge and side end cap; CVT casing base is fixedly connected with the motor body of described driving engine or is integrally formed; Side end cap is corresponding with ventilation inlet is provided with the outside wind channel that is recessed to form, and this wind channel is over against the center of impeller inducer; Be provided with wind guide channel corresponding to described air outlet, this wind guide channel is obliquely installed and tilts consistent with drive cavity.

8. according to the driving engine-CVT actuating device described in the arbitrary claim of claim 1 to 7, it is characterized in that: also comprise diff, the differential casing of described diff is fixedly connected with motor body or is integrally formed, and the driven shaft of described CVT and the power intake of diff are in transmission connection.

9. driving engine-CVT actuating device according to claim 8, is characterized in that: the power intake of described diff is diff power input shaft, and the power input shaft of diff is parallel with the left and right semiaxis of diff; The driven shaft of CVT is in transmission connection by the power input shaft of one speed reducer and diff, and the power take-off shaft of described retarder coordinates with diff power input shaft coaxial transmission; The reducer shell of described retarder is fixedly connected with motor body or is integrally formed and be fixedly connected with CVT housing or integrally formed.

10. a motor bike, is characterized in that: this motor bike is provided with the driving engine-CVT actuating device described in the arbitrary claim of claim 1 to 9.