CN102278389B - Dry-type double clutch - Google Patents
Dry-type double clutch Download PDFInfo
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- CN102278389B CN102278389B CN 201110161415 CN201110161415A CN102278389B CN 102278389 B CN102278389 B CN 102278389B CN 201110161415 CN201110161415 CN 201110161415 CN 201110161415 A CN201110161415 A CN 201110161415A CN 102278389 B CN102278389 B CN 102278389B
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Abstract
The invention discloses a dry type double clutch, which comprises a second input shaft coaxially arranged with a first input shaft, wherein the first clutch comprises a first pressure plate and a first driven plate assembly positioned between a first engine flywheel and the first pressure plate, and the first driven plate assembly is in splined connection with the first input shaft; the second clutch comprises a second pressure plate and a second driven plate assembly located between the second engine flywheel and the second pressure plate, the second driven plate assembly is in splined connection with the second input shaft, the first engine flywheel and the second engine flywheel are fixedly connected through a transition shaft, the first pressure plate is controlled by the first clutch control mechanism, and the second pressure plate is controlled by the second clutch control mechanism. The invention realizes mutual independence of the two clutch structures of the double clutch, thereby facilitating the replacement and maintenance of the driven plate. The clutch structure is simplified, and the axial size is reduced. In addition, the double clutches and the operating mechanisms thereof are integrated, and the integration level of the double clutches is improved.
Description
Technical field
The present invention relates to a kind of double clutch, be specifically related to a kind of dry dual clutch.
Technical background
Dual-clutch transmission, be DCT (DualClutchTransmission), can utilize the characteristics of two clutches to make vehicle automatically block selecting in the unbroken situation of power, namely shift gears to realize automatic control to gearbox by the switching between two clutches, it is simpler that the driving variable of automobile is got, but also the travelling comfort, power character and the Security that have effectively improved automobile.Double clutch in the dual-clutch transmission is being undertaken the important function such as gear switch, starting control, transmission of power, torsion damping, overload protection, is the critical component of dual-clutch transmission system.Because dry clutch configuration is simple, transmission efficiency is high, cost is low, so the double clutch in the dual-clutch transmission adopts the form of dry dual clutch more, and for security reasons considers, generally adopts structure open in usual.
China Patent No. is that the utility model patent of ZL200920288970 discloses a kind of dry dual clutch, although this dry dual clutch has been realized not being delivered to the clutch combination force on the motor, avoided the damage to motor, but its double clutch separates with clutch operation, do not realize integrated, make the section axial length of double clutch band actuator excessive, thereby cause the input shaft length of speed changer long, processing difficulties.In addition, the clutch drived disk assy of this dry dual clutch is easily damaged parts, require frequent maintenance and replacement, this kind structure causes the difficult of safeguarding of double clutch simultaneously, when needs are changed driven disc, whole clutch must be broken up and to change component, be unfavorable for dry dual clutch realization commercialization.
Summary of the invention
The objective of the invention is for above-mentioned technical problem, a kind of compact structure, short, the easy to maintenance dry dual clutch of axial length are provided.
For realizing this purpose, a kind of dry dual clutch that the present invention is designed, it comprises clutch housing, first clutch and second clutch, it is characterized in that: it also comprise transition axis, the first input shaft, with the second input shaft of the first input shaft coaxial arrangement, described first clutch comprises the first platen, the first clutch drived disk assy between the first engine flywheel and the first platen, described the first clutch drived disk assy spline joint the first input shaft; Described second clutch comprises the second platen, the second clutch drived disk assy between the second engine flywheel and the second platen, described the second clutch drived disk assy spline joint the second input shaft, described the first engine flywheel is fixedly connected with by transition axis with the second engine flywheel, described the first platen is by the control of first clutch operating mechanism, and described the second platen is controlled by the second clutch operating mechanism.
Preferably, described transition axis is splined shaft, and its empty set is on the first input shaft.
Preferably, first clutch operating mechanism and second clutch operating mechanism are respectively by first clutch lid, first piston; Second clutch lid, the second piston form, described first clutch lid is fixedly connected with the first engine flywheel, described second clutch lid is fixedly connected with the second engine flywheel, first piston is arranged in the cylinder body of first clutch lid, and be fixedly connected with the first platen, the second piston is arranged in the cylinder body of second clutch lid, and is fixedly connected with the second platen.
Preferably, an end spline joint first clutch of described transition axis lid; The other end of transition axis is fixedly connected with the second clutch lid.
Preferably, described first clutch lid also connects the first platen by pin, and pin is parallel with first piston, and described second clutch lid also connects the second platen by pin, and pin is parallel with the second piston.
Preferably, also be provided with flywheel shell of engine outside described the first engine flywheel, connecting cover in the middle of being provided with between clutch housing and flywheel shell of engine is provided with in the middle connecting cover for the support arm that supports the second clutch lid.
Preferably, described support arm is provided with the annular brace hole, and described second clutch covers and is provided with the annular brace axle, and the ring-shaped bearing axle is positioned at the annular brace hole to be supported by spring bearing.
Preferably, described support arm central authorities are provided with attachment hole, transition axis cooperates with this attachment hole, offer two intake ducts in the described support arm, be provided with the first intake duct and the second intake duct in the described transition axis, two intake ducts are communicated with an end of the first intake duct and the second intake duct respectively, and the sealing of rotary seal pad is adopted in the joint, in the cylinder body in the other end access first clutch lid of the first intake duct, in the cylinder body in the other end access second clutch lid of the second intake duct.
Described the first input shaft is solid input shaft, and the second input shaft is hollow input shaft, described solid input shaft and hollow input shaft empty set.
Working principle of the present invention is: take first clutch as example, engine flywheel originally remains unchanged, and first clutch lid is bolted on the engine flywheel, during work and engine flywheel rotate together.The clutch actuating mechanism direct manipulation clutch compressing disc of cancellation diaphragm lever.When clutch needs work, inflate to clutch actuating mechanism by the control solenoid valve, promote the piston of clutch actuating mechanism, the piston reach promotes clutch compressing disc, compresses clutch drived disk assy to engine flywheel, clutch combination this moment, the moment of torsion of motor is delivered to speed changer by input shaft, and another set of clutch also is same principle, and the housing of two cover clutches and two engine flywheels keep rotating synchronously by transition axis.
The present invention is fixedly connected with the housing of first clutch and the housing of second clutch by splined shaft, and with the solid input shaft of the first clutch drived disk assy spline joint, the hollow input shaft of the second clutch drived disk assy spline joint, two clutch configurations having realized double clutch are separate, thereby so that the replacing of driven disc is safeguarded more convenient.Do not relatively rotate between the cylinder of the clutch operation among the present invention and the clutch compressing disc, the cylinder piston of operating mechanism can act directly on the clutch compressing disc, therefore can not want clutch in conjunction with (separation) bearing and diaphragm spring, clutch configuration is simplified, reduce axial dimension, clutch operating mechanism directly promotes clutch on-off by cylinder, and the transmission process in the middle of having reduced has increased reliability.In addition, double clutch and operating mechanism thereof have been realized integrated, have improved the level of integration of double clutch.
Description of drawings
Fig. 1 is structural representation of the present invention;
Wherein, 1-the first engine flywheel, 2-the first clutch drived disk assy, 3-the first platen, the 4-transition axis, 5-first clutch operating mechanism, 6-the first intake duct, the solid input shaft of 7-, 8-the second intake duct, 9-second clutch operating mechanism, 10-the second platen, 11-the second clutch drived disk assy, 12-the second engine flywheel, the hollow input shaft of 13-, the 14-clutch housing, 15-second clutch lid, connecting cover in the middle of the 16-, the 17-support arm, the 18-spring bearing, 19-first clutch lid, the 20-flywheel shell of engine, the 21-pin, the 22-intake duct, 23-annular brace hole.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples:
A kind of dry dual clutch as shown in Figure 1, it comprise clutch housing 14, first clutch, second clutch, transition axis 4, the first input shaft 7, with the second input shaft 13 of the first input shaft 7 coaxial arrangement, first clutch comprises the first platen 3, the first clutch drived disk assy 2, the first clutch drived disk assys 2 spline joints the first input shaft 7 between the first engine flywheel 1 and the first platen 3; Second clutch comprises the second platen 10, the second clutch drived disk assy 11 between the second engine flywheel 12 and the second platen 10, the second clutch drived disk assy 11 spline joints the second input shaft 13, the first engine flywheel 1 is fixedly connected with by transition axis 4 with the second engine flywheel 12, the first platen 3 is by 5 controls of first clutch operating mechanism, and the second platen 10 is by 9 controls of second clutch operating mechanism.The first engine flywheel 1 has identical rotating speed with the second engine flywheel 12.
In the technique scheme, transition axis 4 is splined shaft, and its empty set is on the first input shaft 7.
In the technique scheme, first clutch operating mechanism 5 and second clutch operating mechanism 9 are respectively by first clutch lid 19, first piston; Second clutch lid the 15, second piston forms, first clutch lid 19 is fixedly connected with the first engine flywheel 1, second clutch lid 15 is fixedly connected with the second engine flywheel 12, first piston is arranged in the cylinder body of first clutch lid 19, and be fixedly connected with the first platen 3, the second piston is arranged in the cylinder body of second clutch lid 15, and is fixedly connected with the second platen 10.The one end spline joint first clutch lid 19 of transition axis 4; The other end of transition axis 4 is fixedly connected with second clutch lid 15.Above-mentioned first clutch operating mechanism 5, the first platen 3, first clutch lid 19, transition axis 4, second clutch operating mechanism 9, the second platen 10, second clutch lid 15 all with the first engine flywheel 1 and the second engine flywheel 12 synchronous rotaries.The structure of the one end spline joint first clutch lid 19 of above-mentioned transition axis 4 makes things convenient for the dismounting of this clutch.
In the technique scheme, first clutch lid 19 also connects the first platen 3 by pin 21, and pin 21 is parallel with first piston, and second clutch lid 15 also connects the second platen 10 by pin 21, and pin 21 is parallel with the second piston.Two platens all can be along pin 21 move left and right, the combination that realizes respectively two clutches with separate.
In the technique scheme, outside the first engine flywheel 1, also be provided with flywheel shell of engine 20, connecting cover 16 in the middle of being provided with between clutch housing 14 and flywheel shell of engine 20 is provided with in the middle connecting cover 16 for the support arm 17 that supports second clutch lid 15.Support arm 17 is provided with annular brace hole 23, and second clutch lid 15 is provided with the annular brace axle, and the ring-shaped bearing axle is positioned at annular brace hole 23 to be supported by spring bearing 18.Connecting cover 16 and support arm 17 play the effect of supporting second clutch, guaranteed that connecting cover 16 and support arm 17 maintenances are static when above-mentioned first clutch operating mechanism 5, the first platen 3, first clutch lid 19, splined shaft 4, second clutch operating mechanism 9, the second platen 10, second clutch lid 15 during all with the first engine flywheel 1 and the second engine flywheel 12 synchronous rotary owing to be provided with bearing 18.
In the technique scheme, support arm 17 central authorities are provided with attachment hole, transition axis 4 cooperates with this attachment hole, offer two intake ducts 22 in the described support arm 17, be provided with the first intake duct 6 and the second intake duct 8 in the transition axis 4, article two, intake duct 22 is communicated with an end of the first intake duct 6 and the second intake duct 8 respectively, the sealing of rotary seal pad is adopted in the joint, in the cylinder body in the other end access first clutch lid 19 of the first intake duct 6, in the cylinder body in the other end access second clutch lid 15 of the second intake duct 8.Rotary seal structure has guaranteed that the first intake duct 6 in the transition axis 4 and the second intake duct 8 and intake duct 22 in the support arm 17 still have a preferably sealing effect in the situation of High Rotation Speed.
In the technique scheme, the first input shaft 7 is solid input shaft, and the second input shaft 13 is hollow input shaft, solid input shaft and hollow input shaft empty set.
Introduce working procedure of the present invention below in conjunction with accompanying drawing:
Double clutch and operating mechanism are integrated, during first clutch work, the control solenoid valve gives the first clutch operating mechanism 5 inflations by the first intake duct 6, promote the piston of first clutch operating mechanism 5, and then promote the first platen 3 and move to left, to be pressed on the first engine flywheel 1 from the first Moving plate assembly 2, the moment of torsion of motor output is delivered to clutch drived disk assy 2 by the first engine flywheel 1, is delivered to gearbox by the solid input shaft with clutch drived disk assy 2 spline joints again.When second clutch is worked, first clutch separates, the control solenoid valve gives the second clutch operating mechanism 9 inflations by the second intake duct 8, and the piston of second clutch operating mechanism 9 promotes the second platen 10, and the second clutch drived disk assy 11 is pressed on the second engine flywheel 12.This moment motor moment of torsion by the first engine flywheel 1, first clutch lid 19, splined shaft, second clutch lid 15, the second engine flywheels 12, the second platens 10 are delivered to hollow input shaft from the second Moving plate assembly 11 spline joints and are delivered to gearbox.
When two platens of double clutch were in normally open, the output torque of motor was not delivered on the driven disc of double clutch, and vehicle is at this moment static; When a platen of double clutch unclamps, when the first pressing plate 3 was pressed in the first clutch drived disk assy 2 on the first engine flywheel 1 under the effect of the first operating device assembly 5, vehicle was wheeled; In the running process, the clutch drived disk assy of double clutch always has one not in transferring power, and the first clutch drived disk assy 2, the second clutch drived disk assy 11 respectively with solid input shaft and hollow input shaft with spline joint, and the first clutch drived disk assy 2, can not relatively rotate between the second clutch drived disk assy 11 and the solid input shaft of speed changer and the hollow input shaft, but allow axially to exist certain displacement, therefore, an input shaft is always arranged at this moment not in transferring power in two input shafts of speed changer, there is not the gear on the input shaft of transferring power just can carry out as required the gear selecting operation, when needs are shifted gears, only need the working state of switch dual clutch just can realize gear shift operation.
The content that this specification is not described in detail belongs to the known prior art of related domain professional and technical personnel.
Claims (9)
1. dry dual clutch, it comprises clutch housing (14), first clutch and second clutch, it is characterized in that: it also comprise transition axis (4), the first input shaft (7), with second input shaft (13) of the first input shaft (7) coaxial arrangement, described first clutch comprises the first platen (3), is positioned at the first clutch drived disk assy (2) between the first engine flywheel (1) and the first platen (3), described the first clutch drived disk assy (2) spline joint the first input shaft (7); Described second clutch comprises the second platen (10), is positioned at the second clutch drived disk assy (11) between the second engine flywheel (12) and the second platen (10), described the second clutch drived disk assy (11) spline joint the second input shaft (13), described the first engine flywheel (1) is fixedly connected with by transition axis (4) with the second engine flywheel (12), described the first platen (3) is by first clutch operating mechanism (5) control, and described the second platen (10) is controlled by second clutch operating mechanism (9).
2. dry dual clutch according to claim 1, it is characterized in that: described transition axis (4) is splined shaft, and its empty set is on the first input shaft (7).
3. dry dual clutch according to claim 1 is characterized in that: first clutch operating mechanism (5) is comprised of first clutch lid (19), first piston; Second clutch operating mechanism (9) is comprised of second clutch lid (15), the second piston; Described first clutch lid (19) is fixedly connected with the first engine flywheel (1), described second clutch lid (15) is fixedly connected with the second engine flywheel (12), first piston is arranged in the cylinder body of first clutch lid (19), and be fixedly connected with the first platen (3), the second piston is arranged in the cylinder body of second clutch lid (15), and is fixedly connected with the second platen (10).
4. dry dual clutch according to claim 3 is characterized in that: the end spline joint first clutch lid (19) of described transition axis (4); The other end of transition axis (4) is fixedly connected with second clutch lid (15).
5. dry dual clutch according to claim 3, it is characterized in that: described first clutch lid (19) also connects the first platen (3) by pin (21), pin (21) is parallel with first piston, described second clutch lid (15) also connects the second platen (10) by pin (21), and pin (21) is parallel with the second piston.
6. dry dual clutch according to claim 3, it is characterized in that: outside described the first engine flywheel (1), also be provided with flywheel shell of engine (20), connecting cover (16) in the middle of being provided with between clutch housing (14) and flywheel shell of engine (20) is provided with in the middle connecting cover (16) for the support arm (17) that supports second clutch lid (15).
7. dry dual clutch according to claim 6, it is characterized in that: described support arm (17) is provided with annular brace hole (23), described second clutch lid (15) is provided with the annular brace axle, and the ring-shaped bearing axle is positioned at annular brace hole (23) to be supported by spring bearing (18).
8. dry dual clutch according to claim 6, it is characterized in that: described support arm (17) central authorities are provided with attachment hole, transition axis (4) cooperates with this attachment hole, offer two intake ducts (22) in the described support arm (17), be provided with the first intake duct (6) and the second intake duct (8) in the described transition axis (4), article two, intake duct (22) is communicated with an end of the first intake duct (6) and the second intake duct (8) respectively, the sealing of rotary seal pad is adopted in the joint, in the cylinder body in the other end access first clutch lid (19) of the first intake duct (6), in the cylinder body in the other end access second clutch lid (15) of the second intake duct (8).
9. dry dual clutch according to claim 1, it is characterized in that: described the first input shaft (7) is solid input shaft, and the second input shaft (13) is hollow input shaft, described solid input shaft and hollow input shaft empty set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110161415 CN102278389B (en) | 2011-06-16 | 2011-06-16 | Dry-type double clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110161415 CN102278389B (en) | 2011-06-16 | 2011-06-16 | Dry-type double clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102278389A CN102278389A (en) | 2011-12-14 |
| CN102278389B true CN102278389B (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110161415 Active CN102278389B (en) | 2011-06-16 | 2011-06-16 | Dry-type double clutch |
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| Country | Link |
|---|---|
| CN (1) | CN102278389B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1895182A1 (en) * | 2006-08-31 | 2008-03-05 | Kabushiki Kaisha F.C.C. | Power transmission apparatus with dual clutch |
| CN202091393U (en) * | 2011-06-16 | 2011-12-28 | 东风汽车有限公司 | Dry-type double clutch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7194995B2 (en) * | 2004-05-14 | 2007-03-27 | Menard Competition Technologies, Ltd. | Bearing |
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2011
- 2011-06-16 CN CN 201110161415 patent/CN102278389B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1895182A1 (en) * | 2006-08-31 | 2008-03-05 | Kabushiki Kaisha F.C.C. | Power transmission apparatus with dual clutch |
| CN202091393U (en) * | 2011-06-16 | 2011-12-28 | 东风汽车有限公司 | Dry-type double clutch |
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| Publication number | Publication date |
|---|---|
| CN102278389A (en) | 2011-12-14 |
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Owner name: DONGFENG CAR CO. Free format text: FORMER OWNER: DONGFENG AUTOMOBILE CO., LTD. Effective date: 20130708 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20130708 Address after: 430056 Wuhan economic and Technological Development Zone, Hubei Province, Dongfeng Road, No. 1, No. Patentee after: Dongfeng Motor Corporation Address before: 430056 Dongfeng Road, Wuhan Economic & Technological Development Zone, Hubei, Wuhan, China, No. 10 Patentee before: DONGFENG MOTER Co.,Ltd. |