CN205101493U - Two separation and reunion derailleurs of cam formula of shifting - Google Patents
Two separation and reunion derailleurs of cam formula of shifting Download PDFInfo
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- CN205101493U CN205101493U CN201520693123.8U CN201520693123U CN205101493U CN 205101493 U CN205101493 U CN 205101493U CN 201520693123 U CN201520693123 U CN 201520693123U CN 205101493 U CN205101493 U CN 205101493U
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Abstract
The utility model discloses a two separation and reunion derailleurs of cam formula of shifting, including double clutch, derailleur subassembly and cam gearshift, double clutch is including the first clutch and the second clutch of alternative joint, the derailleur subassembly includes the even number fender gear train that the odd number of being connected with the transmission of clutch output end kept off the gear train and was connected with the transmission of the 2nd clutch output end, the cam gearshift keeps off a fork assembly that the gear train shifted gears, is used for controlling including being used for controlling the odd number that the even number keeps off the 2nd fork assembly that the gear train shifted gears and be used for driving a fork assembly and the 2nd fork assembly moves in turn and carries out the shifting cam of shifting gears, the utility model discloses can improve vehicle ride performance and fuel economy, simultaneously the derailleur mechanism structure compactness of shifting.
Description
Technical field
The utility model relates to speed changer field, specifically a kind of cam shift type double-clutch speed changer.
Background technique
Travelling comfort, handling and high-efficiency and economic are all very important vehicle and transmission performance index, in the application of conventional manual transmission and automatic transmission, all just attend to one thing and lose sight of another at above aspect of performance.High handling and high-efficiency and economic is selected just to mean low travelling comfort; Select high travelling comfort then to mean to give way to some extent in handling and Economy.
But the employing of novel double-clutch speed changer, farthest can meet the integration requirement of people to above performance.Double-clutch speed changer can provide the high efficiency of the manual transmission that matches in excellence or beauty and higher handling, can meet people to vehicle economy and the demand of driving amusement; It is high-comfort that double-clutch speed changer also has not second to automatic transmission simultaneously, and the power that can realize in running process does not interrupt.
Existing double-clutch speed changer is more and more tending towards compact structure, causes Transmission gear number less, affects the smooth gear shifting of speed changer, also just mean the driving comfort affecting vehicle; Or cause gear number more, but it is too many to share shifting gear group, affects each gear velocity ratio degrees of freedom of speed changer, is difficult to mate with different vehicle carry
Therefore, for overcoming the above problems, need a kind ofly to obtain more gear number and larger gear velocity ratio degrees of freedom with simple structure, thus improve vehicle run smoothness and fuel economy, simultaneously the cam shift type double-clutch speed changer of shifter of transmission compact structure.
Model utility content
In view of this, the purpose of this utility model overcomes defect of the prior art, there is provided a kind of and obtain more gear number and larger gear velocity ratio degrees of freedom with simple structure, thus improve vehicle run smoothness and fuel economy, the cam shift type double-clutch speed changer of shifter of transmission compact structure simultaneously.
Cam shift type double-clutch speed changer of the present utility model, comprise double clutch, transmission assembly and cam gearshift, described double clutch comprises the first clutch and second clutch that alternately engage, described transmission assembly comprises the odd number be in transmission connection with first clutch output terminal to be kept off gear train and keeps off gear train with the even number that second clutch output terminal is in transmission connection, described cam gearshift comprises the first pull-fork assembly for controlling the gearshift of odd number gear gear train, for controlling the second pull-fork assembly that even number gear gear train is shifted gears and the shifting cam carrying out shifting gears for driving the first pull-fork assembly and the second pull-fork assembly to replace movement,
Further, described shifting cam is cylindrical cam, and described first pull-fork assembly and the second pull-fork assembly include shift fork and declutch shift shaft; Described declutch shift shaft is fixed with the drive pin with cylinderic earn curve slot fit;
Further, the declutch shift shaft of described first pull-fork assembly and the declutch shift shaft of the second pull-fork assembly arranged in parallel and be respectively in the radial both sides of cylindrical cam;
Further, described transmission assembly also comprises output shaft, coordinates keep off the first clutch collar that gear train to engage with output shaft or be separated and coordinate with described second declutch shift shaft and keep off for controlling even number the second clutch collar that gear train to engage with output shaft or be separated for controlling odd number with described first declutch shift shaft;
Further, described transmission assembly also comprises the first driving shaft and the second driving shaft that are in transmission connection with first clutch output terminal and second clutch output terminal respectively; Described odd number gear gear train comprises transmission and is equipped with odd number gear driving gear in described first driving shaft, even number gear gear train comprise transmission be equipped with in the second driving shaft even number gear driving gear, described second driving shaft be provided with via hole vertically and by this via hole pivotally coaxial sleeve be located at the first driving shaft;
Further, described odd number gear driving gear comprises a gear driving gear and three gear driving gears, and described even number gear driving gear comprises two gear driving gears and four gear driving gears; Described output shaft rotatably coordinate be provided with a gear driven gear, two gear driven gears, three gear driven gears and four gear driven gears; Described first clutch collar is arranged between a gear driven gear and three gear driven gears, and described second clutch collar is arranged between two gear driven gears and four gear driven gears;
Further, described double clutch also comprises the clutch heart cover be equipped with the input end transmission of double clutch, and described first clutch comprises the first movable friction plate being fixed on clutch heart cover and the first static friction sheet coordinated with the first movable friction plate; Described second clutch comprises the second movable friction plate being fixed on clutch heart cover and the second static friction sheet coordinated with the second movable friction plate;
Further, described first clutch also comprises the first clutch shell be fixedly connected with the first static friction sheet; Described second clutch also comprises the second clutch shell be fixedly connected with the second static friction sheet; Described first clutch shell and second clutch shell are coaxially arranged and first clutch shell is contained within second clutch shell, described first driving shaft is in transmission connection in first clutch shell, and described second driving shaft is in transmission connection in second clutch shell;
Further, described double clutch also comprises operating mechanism, described clutch operation comprises the first platen and the second platen, has and be linked and engage for driving first clutch and second clutch to replace or be separated between described first platen and the second platen;
Further, described first platen is provided with the pretightening force that first clutch is engaged, and the second platen can overcome this pretightening force and be formed with the first platen and link and first clutch be separated and second clutch is engaged.
The beneficial effects of the utility model are: cam shift type double-clutch speed changer of the present utility model, double-clutch power input end and motor or motor output end are in transmission connection, when speed changer is linked into odd number gear, first clutch engages, second clutch disconnects, power keeps off gear by speed changer odd number and carries out transmission, now even number gear gear does not rotate, before speed changer is shifted gears, clutch collar between even number gear gear can in advance with the gear engagement of required gearshift, then first clutch disconnects, second clutch engages and realizes gear shift, in like manner known speed changer is kept off the process being linked into odd number and keeping off by even number, before double clutch is shifted gears, clutch collar with the gear engagement of required gearshift, therefore, the shift speed of clutch can greatly be improved, thus improve smoothness and the fuel economy of vehicle, simultaneously, the utility model utilizes shifting cam self space structural feature to realize gearshift, shifting cam is by the rotation implementation space phase place change of self, thus drive the alternately mobile gear switch realized respectively between control odd number gear and even number gear of the first pull-fork assembly and the second pull-fork assembly, therefore, it is possible to greatly simplify the structure of shift operating mechanism of speed changer, reducing speed changer volume makes the layout of complete machine more reasonable.
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 the structural representation of cam gearshift of the present utility model.
Embodiment
Fig. 1 is structural representation of the present utility model, as shown in the figure, the cam shift type double-clutch speed changer of the present embodiment, comprise double clutch, transmission assembly and cam gearshift, described double clutch comprises the first clutch 17 and second clutch 19 that alternately engage, described transmission assembly comprises the odd number be in transmission connection with first clutch 17 output terminal to be kept off gear train and keeps off gear train with the even number that second clutch 19 output terminal is in transmission connection, described cam gearshift comprises the first pull-fork assembly 2 for controlling the gearshift of odd number gear gear train, for controlling the second pull-fork assembly 3 that even number gear gear train is shifted gears and the shifting cam carrying out shifting gears for driving the first pull-fork assembly 2 and the second pull-fork assembly 3 to replace movement, double-clutch power input end and motor or motor output end are in transmission connection, when speed changer is linked into odd number gear, first clutch 17 engages, second clutch 19 disconnects, power keeps off gear by speed changer odd number and carries out transmission, now even number gear gear does not rotate, before speed changer is shifted gears, clutch collar between even number gear gear can in advance with the gear engagement of required gearshift, then first clutch 17 disconnects, second clutch 19 engages and realizes gear shift, in like manner known speed changer is kept off the process being linked into odd number and keeping off by even number, before double clutch is shifted gears, clutch collar with the gear engagement of required gearshift, therefore, the shift speed of clutch can greatly be improved, thus improve smoothness and the fuel economy of vehicle, simultaneously, the utility model utilizes shifting cam self space structural feature to realize gearshift, shifting cam is by the rotation implementation space phase place change of self, thus drive the alternately mobile gear switch realized respectively between control odd number gear and even number gear of the first pull-fork assembly 2 and the second pull-fork assembly 3, therefore, it is possible to greatly simplify the structure of shift operating mechanism of speed changer, reducing speed changer volume makes the layout of complete machine more reasonable.
In the present embodiment, described shifting cam is cylindrical cam 1, and described first pull-fork assembly 2 and the second pull-fork assembly 3 include shift fork and declutch shift shaft, described declutch shift shaft is fixed with the drive pin coordinated with cylindrical cam 1 curvilinear groove, cylindrical cam 1 is a component having curved slot or make curved profile on cylndrical surface on cylinder end face, cylindrical cam 1 can be arranged in parallel with declutch shift shaft, cylindrical cam 1 is by the rotation implementation space phase place change of self, shift fork is driven to realize the change of displacement by cylindrical cam 1 curvilinear groove, cylindrical cam 1 is utilized to make shifter of transmission be moved the spatial rotation become around self by existing space, thus the arrangement space needed for reduction gearshift, simplify speed changer structure.
In the present embodiment, the declutch shift shaft of described first pull-fork assembly 2 and the declutch shift shaft of the second pull-fork assembly 3 arranged in parallel and be respectively in the radial both sides of cylindrical cam 1, this arrangement can improve the stressing conditions of cylindrical cam 1, and the space simultaneously optimizing again shifter of transmission is arranged.
In the present embodiment, described transmission assembly also comprises output shaft 5, coordinates keep off the first clutch collar 4 that gear train and output shaft 5 engage or be separated and coordinate with described second declutch shift shaft and keep off for controlling even number the second clutch collar 7 that gear train engages with output shaft 5 or be separated for controlling odd number with described first declutch shift shaft, and described first pull-fork assembly 2 and the second pull-fork assembly 3 coordinate with described first clutch collar 4 and the second clutch collar 7 respectively shifts gears; Output shaft 5 is rotatably provided with driven gear, by driving moving axially the combination that can control each driven gear and output shaft 5 and being separated of the first coupling and the second coupling.
In the present embodiment, described transmission assembly also comprises the first driving shaft 14 and the second driving shaft 15 be in transmission connection with first clutch 17 output terminal and second clutch 19 output terminal respectively; Described odd number gear gear train comprises transmission and is equipped with odd number gear driving gear in described first driving shaft 14, even number gear gear train comprise transmission be equipped with in the second driving shaft 15 even number gear driving gear, described second driving shaft 15 be provided with via hole vertically and by this via hole pivotally coaxial sleeve be located at the first driving shaft 14, this arrangement can greatly simplify the structure of speed changer, improve the compactedness of speed changer, reduce the arrangement space needed for speed changer.
In the present embodiment, described odd number gear driving gear comprises gear driving gear 10 and three gear driving gears 11, and described even number gear driving gear comprises two gear driving gear 13 and four gear driving gears 12; Described output shaft 5 rotatably cooperation is provided with a gear driven gear, two gear driven gears 6, three gear driven gears 9 and four gear driven gears 8; Described first clutch collar 4 is arranged between a gear driven gear and three gear driven gears 9, and described second clutch collar 7 is arranged between two gear driven gears 6 and four gear driven gears 8.
In the present embodiment, described double clutch also comprises the clutch heart be equipped with the input end transmission of double clutch and overlaps 18, and described first clutch 17 comprises the first movable friction plate being fixed on clutch heart cover 18 and the first static friction sheet coordinated with the first movable friction plate; Described second clutch 19 comprises the second movable friction plate being fixed on clutch heart cover 18 and the second static friction sheet coordinated with the second movable friction plate, when first clutch 17 engages, power is passed to the first static friction sheet from double clutch input end, when second clutch 19 engages, power is passed to the second static friction sheet from double clutch input end.
In the present embodiment, described first clutch 17 also comprises first clutch 17 shell be fixedly connected with the first static friction sheet, described second clutch 19 also comprises second clutch 19 shell be fixedly connected with the second static friction sheet, described first clutch 17 shell and second clutch 19 shell are coaxially arranged and first clutch 17 shell is contained within second clutch 19 shell, described first driving shaft 14 is in transmission connection in first clutch 17 shell, described second driving shaft 15 is in transmission connection in second clutch 19 shell, after first clutch 17 engages, first clutch 17 shell will overlap 18 synchronous axial system with the clutch heart, first clutch 17 shell can be in transmission connection with output terminal, and then Driving Torque, equally, also by second clutch 19 shell Driving Torque after second clutch 19 engages, again be not repeated, first clutch 17 shell and second clutch 19 shell are coaxially arranged and first clutch 17 shell is contained within second clutch 19 shell, this arrangement can significantly improve the compactedness of double clutch construction.
In the present embodiment, described double clutch also comprises operating mechanism, described clutch operation comprises the first platen 16 and the second platen 20, have between described first platen 16 and the second platen 20 and be linked and engage for driving first clutch 17 and second clutch 19 to replace or be separated, can adopt between first platen 16 and the second platen 20 be fixedly connected with or elasticity connect thus formed be linked, and then while the first platen 16 compresses, the second platen 20 is separated; Same, when the second platen 20 compresses, the first platen 16 is separated, thus realizes first clutch 17 and alternately engage with second clutch 19 or be separated.
In the present embodiment, described first platen 16 is provided with the pretightening force that first clutch 17 is engaged, second platen 20 can overcome this pretightening force and be formed with the first platen 16 and link and first clutch 17 be separated and second clutch 19 is engaged, described pretightening force can adopt the elastic elements such as spring to realize, thus second clutch 19 is often engaged, first clutch 17 is often separated, and when promotion the first platen 16, first platen 16 can overcome this pretightening force and compress first clutch 17, simultaneously, be linked owing to having between the first platen 16 and the second platen 20, realization is separated by the second platen 20, and then finally realize first clutch 17 and engage, first clutch 17 is separated.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (10)
1. a cam shift type double-clutch speed changer, it is characterized in that: comprise double clutch, transmission assembly and cam gearshift, described double clutch comprises the first clutch and second clutch that alternately engage, described transmission assembly comprises the odd number be in transmission connection with first clutch output terminal to be kept off gear train and keeps off gear train with the even number that second clutch output terminal is in transmission connection, described cam gearshift comprises the first pull-fork assembly for controlling the gearshift of odd number gear gear train, for controlling the second pull-fork assembly that even number gear gear train is shifted gears and the shifting cam carrying out shifting gears for driving the first pull-fork assembly and the second pull-fork assembly to replace movement.
2. cam shift type double-clutch speed changer according to claim 1, it is characterized in that: described shifting cam is cylindrical cam, described first pull-fork assembly and the second pull-fork assembly include shift fork and declutch shift shaft; Described declutch shift shaft is fixed with the drive pin with cylinderic earn curve slot fit.
3. cam shift type double-clutch speed changer according to claim 2, is characterized in that: the declutch shift shaft of described first pull-fork assembly and the declutch shift shaft of the second pull-fork assembly arranged in parallel and be respectively in the radial both sides of cylindrical cam.
4. cam shift type double-clutch speed changer according to claim 1, is characterized in that: described transmission assembly also comprises output shaft, coordinates keep off the first clutch collar that gear train to engage with output shaft or be separated and coordinate with described second declutch shift shaft and keep off for controlling even number the second clutch collar that gear train to engage with output shaft or be separated for controlling odd number with described first declutch shift shaft.
5. cam shift type double-clutch speed changer according to claim 4, is characterized in that: described transmission assembly also comprises the first driving shaft and the second driving shaft that are in transmission connection with first clutch output terminal and second clutch output terminal respectively; Described odd number gear gear train comprises transmission and is equipped with odd number gear driving gear in described first driving shaft, even number gear gear train comprise transmission be equipped with in the second driving shaft even number gear driving gear, described second driving shaft be provided with via hole vertically and by this via hole pivotally coaxial sleeve be located at the first driving shaft.
6. cam shift type double-clutch speed changer according to claim 1, is characterized in that: described odd number gear driving gear comprises a gear driving gear and three gear driving gears, and described even number gear driving gear comprises two gear driving gears and four gear driving gears; Described output shaft rotatably coordinate be provided with a gear driven gear, two gear driven gears, three gear driven gears and four gear driven gears; Described first clutch collar is arranged between a gear driven gear and three gear driven gears, and described second clutch collar is arranged between two gear driven gears and four gear driven gears.
7. cam shift type double-clutch speed changer according to claim 1, it is characterized in that: described double clutch also comprises the clutch heart cover be equipped with the input end transmission of double clutch, described first clutch comprises the first movable friction plate being fixed on clutch heart cover and the first static friction sheet coordinated with the first movable friction plate; Described second clutch comprises the second movable friction plate being fixed on clutch heart cover and the second static friction sheet coordinated with the second movable friction plate.
8. cam shift type double-clutch speed changer according to claim 7, is characterized in that: described first clutch also comprises the first clutch shell be fixedly connected with the first static friction sheet; Described second clutch also comprises the second clutch shell be fixedly connected with the second static friction sheet; Described first clutch shell and second clutch shell are coaxially arranged and first clutch shell is contained within second clutch shell, described first driving shaft is in transmission connection in first clutch shell, and described second driving shaft is in transmission connection in second clutch shell.
9. cam shift type double-clutch speed changer according to claim 1, it is characterized in that: described double clutch also comprises operating mechanism, described clutch operation comprises the first platen and the second platen, has and be linked and engage for driving first clutch and second clutch to replace or be separated between described first platen and the second platen.
10. cam shift type double-clutch speed changer according to claim 9, it is characterized in that: described first platen is provided with the pretightening force that first clutch is engaged, the second platen can overcome this pretightening force and be formed with the first platen and link and first clutch be separated and second clutch is engaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520693123.8U CN205101493U (en) | 2015-09-07 | 2015-09-07 | Two separation and reunion derailleurs of cam formula of shifting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520693123.8U CN205101493U (en) | 2015-09-07 | 2015-09-07 | Two separation and reunion derailleurs of cam formula of shifting |
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| CN205101493U true CN205101493U (en) | 2016-03-23 |
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| CN201520693123.8U Active CN205101493U (en) | 2015-09-07 | 2015-09-07 | Two separation and reunion derailleurs of cam formula of shifting |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090143A (en) * | 2016-08-18 | 2016-11-09 | 重庆隆旺机电有限责任公司 | The double clutch transmission system of many gears |
| CN107120392A (en) * | 2017-06-24 | 2017-09-01 | 重庆隆旺机电有限责任公司 | Double-clutch speed changer |
| CN107202141A (en) * | 2017-06-24 | 2017-09-26 | 重庆隆旺机电有限责任公司 | Cam shift type double-clutch speed changer |
| CN111712657A (en) * | 2018-02-21 | 2020-09-25 | 宁波吉利汽车研究开发有限公司 | Gear shifting device |
-
2015
- 2015-09-07 CN CN201520693123.8U patent/CN205101493U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090143A (en) * | 2016-08-18 | 2016-11-09 | 重庆隆旺机电有限责任公司 | The double clutch transmission system of many gears |
| CN106090143B (en) * | 2016-08-18 | 2020-02-18 | 重庆隆旺机电有限责任公司 | Multi-gear double-clutch transmission system |
| CN107120392A (en) * | 2017-06-24 | 2017-09-01 | 重庆隆旺机电有限责任公司 | Double-clutch speed changer |
| CN107202141A (en) * | 2017-06-24 | 2017-09-26 | 重庆隆旺机电有限责任公司 | Cam shift type double-clutch speed changer |
| CN111712657A (en) * | 2018-02-21 | 2020-09-25 | 宁波吉利汽车研究开发有限公司 | Gear shifting device |
| US11608889B2 (en) | 2018-02-21 | 2023-03-21 | Ningbo Geely Automobile Research & Development Co., Ltd. | Shifting device |
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