CN202195014U - Continuously variable transmission and automobile - Google Patents
Continuously variable transmission and automobile Download PDFInfo
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- CN202195014U CN202195014U CN2011202692600U CN201120269260U CN202195014U CN 202195014 U CN202195014 U CN 202195014U CN 2011202692600 U CN2011202692600 U CN 2011202692600U CN 201120269260 U CN201120269260 U CN 201120269260U CN 202195014 U CN202195014 U CN 202195014U
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- stepless speed
- wheel
- output shaft
- speed variator
- input shaft
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Abstract
The utility model provides a continuously variable transmission and have its car, continuously variable transmission includes: the planetary gear mechanism comprises a primary speed reducing mechanism, a planetary mechanism connected with the primary speed reducing mechanism, a stepless speed change mechanism connected with the planetary mechanism and a secondary speed reducing mechanism connected with the stepless speed change mechanism; the primary speed reducing mechanism comprises a first input shaft and a first output shaft which are oppositely arranged; the planetary mechanism is connected with the first output shaft; the two-stage speed reducing mechanism comprises a second output shaft, and the second output shaft and the first input shaft are positioned on the same straight line; the stepless speed change mechanisms are distributed on two sides of a straight line where the second output shaft and the first input shaft are located. The height size and the width size of the continuously variable transmission are reduced; particularly, the height dimension is reduced more, and the requirement of the minimum ground clearance of the front-engine rear-drive vehicle is met. And the stepless speed change mechanisms are distributed on two sides of a straight line where the second output shaft and the first input shaft are located, so that the assembly requirements of front-mounted rear-drive vehicles such as SUVs, MPVs and the like are met.
Description
Technical field
The utility model relates to automotive field, especially, relates to a kind of stepless speed variator that is applied to the preposition rear-guard type of automobile.In addition, the utility model also relates to a kind of automobile that comprises above-mentioned stepless speed variator.
Background technique
In automobile power assembly component manufacturing technology field, speed changer is in occupation of very important position.Speed changer is connected with motor car engine, to transmit the power from motor.Wherein, stepless speed variator (CVT) occupies a tiny space on market because of its premium properties.
When stepless change need be applied to engine behind front wheel rear-guard type automobile, speed changer need be installed under the noseplate of automobile.Yet width under the noseplate of automobile and height dimension are all limited.The volume of existing stepless speed variator is big, and width, height dimension are big, thereby can't adapt to the needs of most engine behind front wheel rear-guard type automobiles.
The model utility content
The utility model purpose is to provide a kind of stepless speed variator that is applied to the preposition rear-guard type of automobile, and is big with the volume that solves existing stepless speed variator, and width, height dimension are big, and can't adapt to the technical problem of engine behind front wheel rear-guard type automobile needs.
For realizing above-mentioned purpose; An aspect according to the utility model; A kind of stepless speed variator is provided, has comprised: the first class reducer structure, be connected in the first class reducer structure planetary mechanism, be connected in the stepless speed changing mechanism of planetary mechanism and be connected in the two reduction gear of stepless speed changing mechanism; The first class reducer structure comprises first input shaft and first output shaft that is oppositely arranged; Planetary mechanism is connected in first output shaft; Two reduction gear comprises one second output shaft, and second output shaft and first input shaft are located along the same line; Stepless speed changing mechanism is distributed in the both sides of second output shaft and first input shaft place straight line.
Further, stepless speed changing mechanism comprises driving pulley axle assembly and the passive belt axle aggregate that connects through metal tape; Driving pulley axle assembly and passive belt axle aggregate are symmetrically arranged in the both sides of second output shaft and first input shaft place straight line, and the center of gravity of stepless speed changing mechanism is dropped on the straight line.
Further, also comprise fluid torque converter and the oil pump that is connected with fluid torque converter through the sprocket wheel chain, the turbine of fluid torque converter connects first input shaft through spline.
Further, planetary mechanism comprises planet carrier, clutch and the sun gear that connects first output shaft; The driving pulley axle assembly comprises the driving pulley axle; Sun gear connects the driving pulley axle through spline; Sun gear is connected in planet carrier through clutch.
Further, clutch also includes the two halves friction plate, and the two halves friction plate is embedded in the oil cylinder and the planet carrier of clutch respectively.
Further, planetary mechanism also comprises layman's star-wheel and the expert star-wheel that is installed on planet carrier; It is inboard that the inferior planet wheel is positioned at the superior planet wheel, and mesh with layman's star-wheel; It is inboard that sun gear is positioned at expert star-wheel, and mesh with expert star-wheel.
Further, planetary mechanism also comprises the gear ring and the break of the outer periphery that are sheathed on layman's star-wheel; Gear ring and the engagement of layman's star-wheel; Break comprises the two halves friction plate, and the two halves friction plate is individually fixed in the housing and the gear ring of stepless speed variator.
Further, the passive belt axle aggregate comprises second input shaft; Two reduction gear comprises that second driving wheel that is installed on second input shaft reaches and be installed on second follower of second output shaft; Second driving wheel and the engagement of second follower.
According to an aspect of the utility model, the utility model also provides a kind of automobile with above-mentioned stepless speed variator.
The utlity model has following beneficial effect: buncher second output shaft and first input shaft of the utility model are located along the same line, and the height dimension and the width dimensions that have reduced stepless speed variator are little; Especially height dimension reduces morely, satisfies the requirement of preposition rear-guard type vehicle clearance.And stepless speed changing mechanism is distributed in the both sides of second output shaft and first input shaft place straight line, adapts to the matching requirements of preposition rear-guard type vehicles such as SUV, MPV.First class reducer was set up before stepless speed changing mechanism and planetary mechanism; The first class reducer structure can be designed to speed increasing gear train as required, to reduce the input torque of first class reducer structure, satisfies the bigger engine output torque requirement of preposition rear-guard type vehicles such as SUV, MPV.
In addition, oil pump is not that the pump impeller by fluid torque converter directly drives, but drives through the pump impeller of sprocket wheel chain by fluid torque converter.Therefore, the position of oil pump is comparatively flexible, can make more compact structure.Cancelled transition axis, amount of parts reduces, and supporting point reduces, and makes more compact of stepless speed variator structure.
Except top described purpose, feature and advantage, the utility model also has other purpose, feature and advantage.To do further detailed explanation to the utility model with reference to figure below.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the structural scheme of mechanism of the stepless speed variator of the utility model preferred embodiment; And
Fig. 2 is the use schematic representation of the stepless speed variator of the utility model preferred embodiment.
Embodiment
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Referring to Fig. 1, the utility model stepless speed variator comprises first class reducer structure 1, planetary mechanism 3, stepless speed changing mechanism 5, two reduction gear 7, break 8 and connects the fluid torque converter 9 of first class reducer structure 1.
First class reducer structure 1 comprises first input shaft 11 and first output shaft 13 that is oppositely arranged.Be installed with first driving wheel 15 on first input shaft 11.Be installed with first follower 17 on first output shaft 13.First driving wheel 15 and first follower 17 are meshing with each other, with transferring power.First driving wheel 15 and first follower 17 are through being provided with the different numbers of gears, to reach the purpose of speedup or deceleration.
Please combine referring to Fig. 2, the turbine of fluid torque converter 9 connects first input shaft 11 through spline; The pump impeller of fluid torque converter 9 connects motor 4.As required, through fluid torque converter 9, the power of conversion engine 4 output reposefully.Thereby the power of these motor 4 outputs is delivered to first class reducer structure 1 through first input shaft 11.In this mode of execution, also comprise oil pump 10, oil pump 10 is connected with the pump impeller of fluid torque converter 9 through the sprocket wheel chain.Oil pump 10 and first input shaft, 11 disalignments.
Stepless speed changing mechanism 5 comprises driving pulley axle assembly 51, metal tape 53 and the passive belt axle aggregate 55 that is connected with driving pulley axle assembly 51 through metal tape 53.Passive belt axle aggregate 55 comprises second input shaft 551.Driving pulley axle assembly 51 comprises driving pulley axle 311.
Planetary mechanism 3 comprises planet carrier 31, be installed on the expert star-wheel 33 of planet carrier 31, be installed on layman's star-wheel 35, sun gear 37, gear ring 38 and the clutch 39 of planet carrier 31.Wherein, expert star-wheel 33 is positioned at the inboard of layman's star-wheel 35, and meshes with layman's star-wheel 35.
One end of planet carrier 31 is fixed in first output shaft 13, so that drive planet carrier 31 motions through first output shaft 13.
Sun gear 37 is connected with driving pulley axle 311 through spline.Sun gear 37 is positioned at the inboard of expert star-wheel 33, and meshes with expert star-wheel 33.Sun gear 37 is connected in planet carrier 31 through clutch 39.Particularly, the oil cylinder of clutch 39 and sun gear 37 are as a whole; Clutch 39 also includes the two halves friction plate, and this two halves friction plate is embedded in the oil cylinder and the planet carrier 31 of clutch 39 respectively, so that when clutch 39 engages, make sun gear 37 and planet carrier 31 be consolidated into one.
Two reduction gear 7 comprises second driving wheel 71, second output shaft 73 that is installed on second input shaft 551 and second follower 75 that is installed on second output shaft 73.Second driving wheel 71 and second follower 75 are meshing with each other.Second driving wheel 71 and second follower 75 are through being provided with the different numbers of gears, to reach the purpose of speedup or deceleration.
The stepless speed variator of the utility model is in-line arrangement and distributes.First input shaft 11 and second output shaft 73 are positioned on same the straight line a.Driving pulley axle assembly 51 and passive belt axle aggregate 55 near symmetrical are arranged in the both sides of above-mentioned straight line a, have reduced the size on stepless speed variator height and the width; And the center of gravity that makes transmission assembly and stepless speed changing mechanism 5 is approximate to be dropped on the straight line a, rational in infrastructure, compact, be convenient to production, is more suitable in the assembling of preposition rear-guard type vehicles such as SUV, MPV.
Please combine with reference to Fig. 2, when clutch 39 engages, when break 8 does not engage, is forward gear.At this moment, sun gear 37 is fixed together with planet carrier 31.The power of motor 4 outputs drives planet carrier 31 through 1 output of first class reducer structure and moves together with sun gear 37.At this moment, the driving automobile advanced by 73 outputs of second output shaft after power drove stepless speed changing mechanism 5 and two reduction gear 7 successively by driving pulley axle 311.
When break 8 joints, when clutch 39 does not engage, for reversing gear.At this moment, gear ring 38 engages with break 8.The power of motor 4 outputs inputs to planetary mechanism 3 through first class reducer structure 1.At this moment, power is sent to sun gear 37 through layman's star-wheel 35 and expert star-wheel 33, to drive sun gear 37 counter-rotatings.Afterwards, power drives stepless speed changing mechanism 5 successively by driving pulley axle 311 again and drives back of automobile with two reduction gear 7 backs by 73 outputs of second output shaft.
When clutch 39 and break 8 all do not engage, be neutral.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (9)
1. stepless speed variator comprises:
First class reducer structure (1), be connected in said first class reducer structure (1) planetary mechanism (3), be connected in the stepless speed changing mechanism (5) of said planetary mechanism (3) and be connected in the two reduction gear (7) of said stepless speed changing mechanism (5);
It is characterized in that,
Said first class reducer structure (1) comprises first input shaft (11) and first output shaft (13) that is oppositely arranged;
Said planetary mechanism (3) is connected in said first output shaft (13);
Said two reduction gear (7) comprises one second output shaft (73), and said second output shaft (73) and said first input shaft (11) are positioned on the same straight line (a);
Said stepless speed changing mechanism (5) is distributed in the both sides of said second output shaft (73) and said first input shaft (11) place straight line (a).
2. stepless speed variator according to claim 1 is characterized in that,
Said stepless speed changing mechanism (5) comprises driving pulley axle assembly (51) and the passive belt axle aggregate (55) that connects through metal tape (53);
Said driving pulley axle assembly (51) and passive belt axle aggregate (55) are symmetrically arranged in the both sides of said second output shaft (73) and said first input shaft (11) place straight line (a), and the center of gravity of said stepless speed changing mechanism (5) is dropped on the said straight line (a).
3. stepless speed variator according to claim 2 is characterized in that,
Also comprise fluid torque converter (9) and the oil pump (10) that is connected with said fluid torque converter (9) through the sprocket wheel chain;
The turbine of said fluid torque converter (9) connects said first input shaft (11) through spline.
4. stepless speed variator according to claim 2 is characterized in that,
Said planetary mechanism (3) comprises planet carrier (31), clutch (39) and the sun gear (37) that connects said first output shaft (13);
Said driving pulley axle assembly (51) comprises driving pulley axle (311);
Said sun gear (37) connects said driving pulley axle (311) through spline;
Said sun gear (37) is connected in said planet carrier (31) through clutch (39).
5. stepless speed variator according to claim 4 is characterized in that,
Said clutch (39) also includes the two halves friction plate, and said two halves friction plate is embedded in the oil cylinder and the said planet carrier (31) of said clutch (39) respectively.
6. stepless speed variator according to claim 4 is characterized in that,
Said planetary mechanism (3) also comprises layman's star-wheel (35) and the expert star-wheel (33) that is installed on said planet carrier (31);
Said expert star-wheel (33) is positioned at said layman's star-wheel (35) inboard, and meshes with said layman's star-wheel (35);
Said sun gear (37) is positioned at said expert star-wheel (33) inboard, and meshes with said expert star-wheel (33).
7. stepless speed variator according to claim 6 is characterized in that,
Said planetary mechanism (3) also comprises the gear ring (38) and the break (8) of the outer periphery that are sheathed on said layman's star-wheel (35);
Said gear ring (38) and said layman's star-wheel (35) engagement;
Said break (8) comprises the two halves friction plate, and said two halves friction plate is individually fixed in the housing (2) and the said gear ring (38) of stepless speed variator.
8. stepless speed variator according to claim 2 is characterized in that,
Said passive belt axle aggregate (55) comprises second input shaft (551);
Said two reduction gear (7) comprises that second driving wheel (71) that is installed on said second input shaft (551) reaches and be installed on second follower (75) of said second output shaft (73);
Said second driving wheel (71) and said second follower (75) engagement.
9. an automobile has stepless speed variator, it is characterized in that, said stepless speed variator is any described stepless speed variator in the claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202692600U CN202195014U (en) | 2011-07-27 | 2011-07-27 | Continuously variable transmission and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202692600U CN202195014U (en) | 2011-07-27 | 2011-07-27 | Continuously variable transmission and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202195014U true CN202195014U (en) | 2012-04-18 |
Family
ID=45949926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202692600U Expired - Lifetime CN202195014U (en) | 2011-07-27 | 2011-07-27 | Continuously variable transmission and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202195014U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335082A (en) * | 2013-07-25 | 2013-10-02 | 湖南江麓容大车辆传动股份有限公司 | Stepless speed regulation device for tower crane and tower crane |
| CN108916328A (en) * | 2017-12-15 | 2018-11-30 | 杭州富阳新远新能源有限公司 | A kind of two speed transmission |
| CN113685513A (en) * | 2021-09-23 | 2021-11-23 | 清驰汽车江苏有限公司 | Stepless speed change mechanism and speed change method thereof |
-
2011
- 2011-07-27 CN CN2011202692600U patent/CN202195014U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335082A (en) * | 2013-07-25 | 2013-10-02 | 湖南江麓容大车辆传动股份有限公司 | Stepless speed regulation device for tower crane and tower crane |
| CN103335082B (en) * | 2013-07-25 | 2016-05-04 | 湖南江麓容大车辆传动股份有限公司 | For stepless speed-regulating device and the tower machine of tower machine |
| CN108916328A (en) * | 2017-12-15 | 2018-11-30 | 杭州富阳新远新能源有限公司 | A kind of two speed transmission |
| CN108999938A (en) * | 2017-12-15 | 2018-12-14 | 杭州富阳新远新能源有限公司 | A kind of centrifugal-block speed changer |
| CN109099116A (en) * | 2017-12-15 | 2018-12-28 | 杭州富阳新远新能源有限公司 | A kind of speed changer |
| CN108916328B (en) * | 2017-12-15 | 2021-02-12 | 杭州富阳新远新能源有限公司 | Two-gear transmission |
| CN113685513A (en) * | 2021-09-23 | 2021-11-23 | 清驰汽车江苏有限公司 | Stepless speed change mechanism and speed change method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| 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. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120418 |