CN204437222U - Stepless speed variator and there is the automobile of this stepless speed variator - Google Patents
Stepless speed variator and there is the automobile of this stepless speed variator Download PDFInfo
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- CN204437222U CN204437222U CN201420784894.3U CN201420784894U CN204437222U CN 204437222 U CN204437222 U CN 204437222U CN 201420784894 U CN201420784894 U CN 201420784894U CN 204437222 U CN204437222 U CN 204437222U
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- speed variator
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Abstract
The utility model discloses a kind of stepless speed variator and have the automobile of this stepless speed variator, this stepless speed variator comprises: fluid torque converter, changement, driving pulley, passive belt wheel; Wherein, the output terminal of changement connects driving pulley through the first gear driving pair, and the first gear driving pair comprises: the first actuation gear arranged along the direction perpendicular to engine crankshaft axis and the first driven gear; The input end of the first actuation gear connects the output terminal of changement, and the first actuation gear drives the first driven gear, and the output terminal of the first driven gear connects driving pulley; The axis of the first driven gear and driving pulley is all higher than engine crankshaft axis.The utility model meets the requirement of installing stepless speed variator in rear-guard type automobile chassis space, and improve driving pulley, passive belt wheel relative to the distance of the axial position of engine crankshaft, both improve the ground Clearance of car load, and reserve rational space to again the hydraulic valve block of bottom and oilcan design.
Description
Technical field
The utility model relates to field of automobile control, especially, relates to a kind of stepless speed variator.In addition, the utility model also relates to a kind of automobile comprising above-mentioned stepless speed variator.
Background technique
Stepless speed variator (CVT, Continuously Variable Transmission) adopt driving belt and the variable driven wheel of working diameter to match incompatible transferring power, continuously changing of velocity ratio can be realized, thus obtain the optimum Match of power train and engine operating condition.Common stepless speed variator has hydraulic mechanical type stepless speed variator and metal band type stepless speed variator.
Existing metal band type CVT (continuously variable transmission) is used for engine behind front wheel forerunner vehicle, reason is that stepless speed variator carries out speed change because adopting metal tape, in order to reach suitable ratio coverage, driving pulley and driven pulley centre distance larger, and pulley diameters is relatively large, for rear-guard vehicle, horizontal space, chassis is less, is unfavorable for that the space of metal band type CVT (continuously variable transmission) is arranged.
Model utility content
The utility model object is the automobile providing a kind of stepless speed variator and have this stepless speed variator, to solve the technical problem that existing metal band type stepless speed variator cannot adapt to the space, chassis of rear-guard type automobile.
For achieving the above object, the technical solution adopted in the utility model is as follows:
According to an aspect of the present utility model, a kind of stepless speed variator is provided, comprises: fluid torque converter, changement, driving pulley, passive belt wheel;
The input end of fluid torque converter is used for the bent axle of connecting engine, and the output terminal of fluid torque converter connects the input end of changement, and the power that changement exports is passed to output shaft assembly through driving pulley, passive belt wheel;
The output terminal of changement connects driving pulley through the first gear driving pair, first gear driving pair comprises: the first actuation gear arranged along the direction perpendicular to engine crankshaft axis and the first driven gear, and the first driven gear is positioned at the top of the first actuation gear;
The input end of the first actuation gear connects the output terminal of changement,
First actuation gear drives the first driven gear,
The output terminal of the first driven gear connects driving pulley;
The axis of the first driven gear and driving pulley is all higher than engine crankshaft axis.
Further, changement is planetary pinion changement; The planet carrier of planetary pinion changement connects the output terminal of fluid torque converter, and the sun gear outputting power of planetary pinion changement drives the first actuation gear.
Further, fluid torque converter comprises: pump impeller, turbine and oil pump; Pump impeller is used for the drive output of connecting engine, and pump impeller drives oil pump to drive turbine outputting power; Turbine connects the input end of changement.
Further, the setting direction of driving pulley and passive belt wheel is parallel to the arranged direction of the first actuation gear and the first driven gear; Through metal tape or metal chain transmission between driving pulley and passive belt wheel.
Further, the output terminal of passive belt wheel connects output shaft assembly through the second gear driving pair; Second gear driving pair comprises: the second actuation gear arranged along the direction perpendicular to engine crankshaft axis and the second driven gear;
The input end of the second actuation gear connects the output terminal of passive belt wheel,
Second actuation gear drives the second driven gear,
The output terminal of the second driven gear connects output shaft assembly.
Further, the axis of the second driven gear and engine crankshaft axis co-axial.
Further, the first gear driving pair adopts raising speed gear ratio.
According to another aspect of the present utility model, also provide a kind of automobile, comprise output shaft assembly, adopt above-mentioned stepless speed variator outputting power to output shaft assembly;
Output shaft assembly connects the back driving axle of automobile through universal drive shaft.
The utility model has following beneficial effect:
The utility model stepless speed variator and there is the automobile of this stepless speed variator, driving pulley is connected by arranging the first gear pair at the output terminal of changement, make the axis of driving pulley higher than engine crankshaft axis, to utilize the space above engine crankshaft axis, meet the requirement of installing stepless speed variator in rear-guard type automobile chassis space, and the stepless speed variator of this structure improves driving pulley, passive belt wheel is relative to the distance of the axial position of engine crankshaft, both the ground Clearance of car load had been improved, reserve rational space to again the hydraulic valve block of bottom and oilcan design.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the utility model preferred embodiment stepless speed variator.
Description of reference numerals:
10, fluid torque converter; 11, pump impeller; 13, oil pump; 15, turbine;
20, changement; 30, driving pulley; 40, passive belt wheel; 50, output shaft assembly;
60, the first gear driving pair; 61, the first actuation gear; 63, the first driven gear;
70, the second gear driving pair; 71, the second actuation gear; 73, the second driven gear; 80, metal tape.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
With reference to Fig. 1, preferred embodiment of the present utility model provides a kind of stepless speed variator, comprising: fluid torque converter 10, changement 20, driving pulley 30, passive belt wheel 40; Wherein, the input end of fluid torque converter 10 is used for the bent axle of connecting engine, the output terminal of fluid torque converter 10 connects the input end of changement 20, the output terminal of changement 20 connects driving pulley 30 through the first gear driving pair 60, and the first gear driving pair 60 comprises: the first actuation gear 61 and the first driven gear 63 arranged along the direction perpendicular to engine crankshaft axis; The input end of the first actuation gear 61 connects the output terminal of changement 20, and the first actuation gear 61 drives the first driven gear 63, first driven gear 63 to be positioned at the top of the first actuation gear 61, and the output terminal of the first driven gear 63 connects driving pulley 30; Driving pulley 30 through passive belt wheel by transmission of power to output shaft assembly 50.In the present embodiment, by arranging the first gear driving pair 60, make the axis of driving pulley 30 higher than engine crankshaft axis, to utilize the space above engine crankshaft axis, meet the requirement of installing stepless speed variator in rear-guard type automobile chassis space, and the stepless speed variator of this structure improves driving pulley 30, passive belt wheel 40 relative to the distance of the axial position of engine crankshaft, both improve the ground Clearance of car load, and reserve rational space to again the hydraulic valve block of bottom and oilcan design.
In the present embodiment, alternatively, changement 20 is planetary pinion changement; The planet carrier of planetary pinion changement connects the output terminal of fluid torque converter 10, and the sun gear outputting power of planetary pinion changement drives the first actuation gear 61.
In the present embodiment, fluid torque converter 10 comprises: pump impeller 11, turbine 15 and oil pump 13; Pump impeller 11, for the drive output of connecting engine, is namely connected with the drive plate of motor, and pump impeller 11 drives oil pump 13 to drive turbine 15 outputting power; Turbine 15 connects the input end of changement 20.In the present embodiment, turbine 15 drives planet carrier to rotate under the effect of pressure fuel pump, and planet carrier drives sun gear to rotate through planet wheel, and the power that sun gear exports drives the first actuation gear 61.
Preferably, driving pulley 30 and the setting direction of passive belt wheel 40 are parallel to the arranged direction of the first actuation gear 61 and the first driven gear 63; Through metal tape 80 or metal chain transmission between driving pulley 30 and passive belt wheel 40, to transmit torsion and rotating speed.
Preferably, in order to improve the moment of torsion transfer capacity of metal tape 80, in the present embodiment, the first gear driving pair 60 adopts raising speed gear ratio, namely realize raising speed and fall the effect turned round, the effect limited slightly larger than the torque capacity of metal tape 80 with the torque capacity reaching stepless speed variator.
Preferably, in the present embodiment, the position of driving pulley 30 and passive belt wheel 40 all relative to engine crankshaft axis shaft to position lifting, make to be immersed in passive belt wheel 40 in lubricant oil higher than oil level with forward part, and then decrease the churning loss of passive belt wheel 40, improve transmission efficiency.
Preferably, the output terminal of passive belt wheel 40 connects output shaft assembly 50 through the second gear driving pair 70; Second gear driving pair 70 comprises: the second actuation gear 71 and the second driven gear 73 arranged along the direction perpendicular to engine crankshaft axis; The input end of the second actuation gear 71 connects the output terminal of passive belt wheel 40, and the second actuation gear 71 drives the output terminal of the second driven gear 73, second driven gear 73 to connect output shaft assembly 50.Preferably, the axis of the second driven gear 73 and engine crankshaft axis co-axial.The present embodiment, the transmission of power exported by passive belt wheel 40 by the second gear driving pair 70 is to output shaft assembly 50.
According to another aspect of the present utility model, also provide a kind of automobile, comprise output shaft assembly 50, adopt the stepless speed variator outputting power of above-described embodiment to output shaft assembly 50; Output shaft assembly 50 connects the back driving axle of automobile through universal drive shaft.The present embodiment rear-guard type automobile, overcomes inconvenience in traditional chassis and installs the defect of stepless speed variator, meet the gap of stepless speed variator and vehicle body and the ground Clearance requirement of vehicle body entirety; And due to driving pulley 30 and passive belt wheel 40 position all relative to engine crankshaft axis shaft to position lifting, make to be immersed in passive belt wheel 40 in lubricant oil higher than oil level with forward part, and then decrease the churning loss of passive belt wheel 40, improve transmission efficiency.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a stepless speed variator, comprising: fluid torque converter (10), changement (20), driving pulley (30), passive belt wheel (40);
The input end of described fluid torque converter (10) is used for the bent axle of connecting engine, the output terminal of described fluid torque converter (10) connects the input end of described changement (20), and the power that described changement (20) exports is passed to output shaft assembly (50) through described driving pulley (30), passive belt wheel (40); It is characterized in that,
The output terminal of described changement (20) connects described driving pulley (30) through the first gear driving pair (60), described first gear driving pair (60) comprising: the first actuation gear (61) arranged along the direction perpendicular to engine crankshaft axis and the first driven gear (63), and described first driven gear (63) is positioned at the top of described first actuation gear (61);
The input end of described first actuation gear (61) connects the output terminal of described changement (20),
Described first actuation gear (61) drives described first driven gear (63),
The output terminal of described first driven gear (63) connects described driving pulley (30);
The axis of described first driven gear (63) and described driving pulley (30) is all higher than described engine crankshaft axis.
2. stepless speed variator according to claim 1, is characterized in that,
Described changement (20) is planetary pinion changement; The planet carrier of described planetary pinion changement connects the output terminal of described fluid torque converter (10), and the sun gear outputting power of described planetary pinion changement drives described first actuation gear (61).
3. stepless speed variator according to claim 1, is characterized in that,
Described fluid torque converter (10) comprising: pump impeller (11), turbine (15) and oil pump (13); Described pump impeller (11) is for connecting the bent axle of described motor, and described pump impeller (11) drives described oil pump (13) to drive described turbine (15) outputting power; Described turbine (15) connects the input end of described changement (20).
4. stepless speed variator according to claim 1, is characterized in that,
Described driving pulley (30) is parallel to the arranged direction of described first actuation gear (61) and described first driven gear (63) with the setting direction of described passive belt wheel (40); Through metal tape (80) or metal chain transmission between described driving pulley (30) and described passive belt wheel (40).
5. stepless speed variator according to claim 4, is characterized in that,
The output terminal of described passive belt wheel (40) connects described output shaft assembly (50) through the second gear driving pair (70); Described second gear driving pair (70) comprising: the second actuation gear (71) arranged along the direction perpendicular to described engine crankshaft axis and the second driven gear (73);
The input end of described second actuation gear (71) connects the output terminal of described passive belt wheel (40),
Described second actuation gear (71) drives described second driven gear (73),
The output terminal of described second driven gear (73) connects described output shaft assembly (50).
6. stepless speed variator according to claim 5, is characterized in that,
The axis of described second driven gear (73) and described engine crankshaft axis co-axial.
7., according to the arbitrary described stepless speed variator of claim 1 to 6, it is characterized in that,
Described first gear driving pair (60) adopts raising speed gear ratio.
8. an automobile, comprises output shaft assembly (50), it is characterized in that,
Adopt the arbitrary described stepless speed variator outputting power of claim 1 to 7 to described output shaft assembly (50);
Described output shaft assembly (50) connects the back driving axle of described automobile through universal drive shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420784894.3U CN204437222U (en) | 2014-12-11 | 2014-12-11 | Stepless speed variator and there is the automobile of this stepless speed variator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420784894.3U CN204437222U (en) | 2014-12-11 | 2014-12-11 | Stepless speed variator and there is the automobile of this stepless speed variator |
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| CN204437222U true CN204437222U (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420784894.3U Active CN204437222U (en) | 2014-12-11 | 2014-12-11 | Stepless speed variator and there is the automobile of this stepless speed variator |
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| CN (1) | CN204437222U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207198A (en) * | 2020-01-20 | 2020-05-29 | 江苏大学 | Multi-mode mechanical-hydraulic composite transmission device integrating gear, hydraulic pressure and metal belt |
-
2014
- 2014-12-11 CN CN201420784894.3U patent/CN204437222U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207198A (en) * | 2020-01-20 | 2020-05-29 | 江苏大学 | Multi-mode mechanical-hydraulic composite transmission device integrating gear, hydraulic pressure and metal belt |
| CN111207198B (en) * | 2020-01-20 | 2021-06-18 | 江苏大学 | Multi-mode mechanical-hydraulic composite transmission device integrating gear, hydraulic pressure and metal belt |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee after: Hunan Yung Da intelligent transmission Limited by Share Ltd. Address before: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee before: Hunan Yung Da vehicle transmission Limited by Share Ltd. Address after: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee after: Hunan Yung Da vehicle transmission Limited by Share Ltd. Address before: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee before: HUNAN JIANGLU & RONGDA VEHICLE TRANSMISSION Ltd. |
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| CP01 | Change in the name or title of a patent holder |