CN212202899U - Symmetrical compact double-clutch module - Google Patents
Symmetrical compact double-clutch module Download PDFInfo
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- CN212202899U CN212202899U CN202020600036.4U CN202020600036U CN212202899U CN 212202899 U CN212202899 U CN 212202899U CN 202020600036 U CN202020600036 U CN 202020600036U CN 212202899 U CN212202899 U CN 212202899U
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- input hub
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- friction plate
- clutch module
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Abstract
The utility model discloses a symmetrical compact double clutch module, which is applied to the driving system of a motor vehicle and comprises an input hub and two clutches symmetrically arranged at the front side and the rear side of the input hub, wherein each clutch comprises an inner shell, an outer shell and a friction plate group accommodated between the inner shell and the outer shell, the outer shell is fixedly connected with the input hub, and the inner shell is externally connected with a gearbox gear shifting mechanism of the driving system; the clutches respectively comprise actuating members for promoting the two friction plate sets to be alternately combined, and in the combined state of the friction plate sets, the power flow of the input hub can be transmitted to the inner shell through the outer shell and the friction plate sets. Its technical scheme makes the clutch of two symmetric designs can the alternating operation for shift the time weak point, it is also more direct to shift, and power loss is littleer, and a sharing input wheel hub, reduces axial installation distance greatly, makes overall structure more compact, satisfies under same functional requirement, can sparingly arrange the space.
Description
Technical Field
The utility model relates to a clutch technical scheme especially relates to a symmetrical compact double clutch module.
Background
The double-clutch transmission combines the advantages of a manual transmission and an automatic transmission, the power of an engine can be fully exerted, and the two groups of clutches work alternately, so that the gear shifting time is short, the gear shifting is more direct, the power loss is less, and the oil consumption is reduced. The double-clutch module is a key component in the double-clutch gearbox, the traditional double-clutch module is long in axial distance and inflexible in arrangement, and certain space limit is imposed on the installation of the double clutches by some domestic hybrid power projects.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned problems in the prior art, a symmetrical compact dual clutch module is now provided which aims to enable the axial mounting distance to be substantially reduced so as to make the overall structure more compact, in order to overcome the above-mentioned technical drawbacks.
The specific technical scheme is as follows:
a symmetrical compact double-clutch module is applied to a driving system of a motor vehicle and comprises an input hub and two clutches symmetrically arranged on the front side and the rear side of the input hub, wherein each clutch comprises an inner shell, an outer shell and a friction plate group accommodated between the inner shell and the outer shell, the outer shells are fixedly connected with the input hub respectively, and the inner shells are externally connected with a gearbox gear shifting mechanism of the driving system respectively;
each clutch comprises an actuating member, wherein at least one part of the actuating member is arranged at the side part of the input hub, the two actuating members are used for promoting the two friction plate sets to be alternately combined, and in the combined state of the friction plate sets, the power flow of the input hub can be transmitted to the inner shell through the outer shell and the friction plate sets.
Preferably, each actuating member includes a first piston and a second piston arranged in tandem, a pressure oil chamber is formed between the first piston and the input hub, and the outer edge of the first piston is close to the friction plate set.
Preferably, a spring disc is further installed between the first piston and the second piston to push the first piston to return along the direction of the input hub.
Preferably, the number of the fluid passages is two, which are respectively communicated with the pressure oil chambers in the two clutches, and the symmetrical compact dual-clutch module further comprises a valve actuator for switching the alternating flow state of the two fluid passages.
Preferably, each friction plate group comprises a plurality of friction plates and a separation plate arranged between every two adjacent friction plates.
Preferably, a back plate is further arranged in each clutch, the back plate is fixedly arranged between the inner shell and the outer shell through a clamp spring, and the back plate and the outer edge of the first piston are separated from the front side and the rear side of the friction plate set and abut against the friction plate set.
Preferably, the outer edge of the second piston is in sealing contact with the first piston, and the inner edge of the second piston is limited on one side of the input hub through the shaft sleeve.
Preferably, the outer edge of the input hub is further sleeved with at least one sealing ring.
Preferably, the number of the friction plates in one clutch is three, and the number of the friction plates in the other clutch is two.
The beneficial effects of the above technical scheme are that:
the symmetrical compact type double-clutch module comprises an input hub and two clutches, each clutch comprises an inner shell, an outer shell, a friction plate set and a brake component, the two symmetrically designed clutches can operate alternately, the gear shifting time is short, the gear shifting is more direct, the power loss is less, one input hub is shared, the axial installation distance is greatly reduced, the integral structure is more compact, and the arrangement space can be saved under the condition that the same functional requirements are met.
Drawings
Fig. 1 is a schematic structural diagram of a symmetrical compact dual clutch module according to the present invention;
fig. 2 is a power flow diagram of the symmetrical compact dual clutch module of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and effects of the present invention easy to understand, the following embodiments are specifically illustrated in conjunction with the accompanying drawings. And defines the direction from left to right as viewed in the plane of the paper in fig. 1 as the direction from front to back in this embodiment, and the direction from the direction approaching the central axis 13 to the direction away from the central axis 13 as viewed in the plane of the paper as the direction from inside to outside in this embodiment.
Referring to fig. 1 and fig. 2, the symmetrical compact dual clutch module provided in this embodiment is applied to a driving system of a motor vehicle, and includes an input hub 12, two clutches symmetrically installed on front and rear sides of the input hub, each clutch includes an inner housing 4, an outer housing 1, and a friction plate set accommodated between the inner housing 4 and the outer housing 1, the outer housing 1 is respectively fixedly connected to the input hub 12, and the inner housing 4 is respectively externally connected to a transmission gear shifting mechanism of the driving system;
each clutch includes an actuating member, at least a portion of which is mounted on the side of the input hub 12, and two actuating members are used to facilitate the alternate combination of the two friction plate sets, and in the combined state of the friction plate sets, the power flow of the input hub 12 can be transmitted to the inner housing 4 through the outer housing 1 and the friction plate sets.
Based on above-mentioned technical scheme, the compact double clutch module of symmetry formula includes input wheel hub 12 and two clutches, and each clutch includes interior casing 4, shell body 1, friction disc group and braking component, makes the operation of the clutch of two symmetrical designs can the alternating, makes the time of shifting short, it is also more direct to shift gears, and power loss is littleer, and an input wheel hub 12 of sharing, reduces the axial installation distance greatly, makes overall structure more compact, under satisfying same functional requirement, can save the space of arranging.
In a preferred embodiment, each actuating member comprises a first piston 7 and a second piston 5 arranged one behind the other, respectively, a pressure oil chamber being formed between the first piston 7 and the input hub 12, and the outer rim of the first piston 7 being located close to the set of friction plates, and a fluid flow channel communicating with the pressure oil chamber being provided in the input hub 12 for urging the first piston 7 to move in a direction away from the input hub 12 and against the set of friction plates by the outer rim to urge the set of friction plates into engagement. Further, a spring plate 6 is installed between the first piston 7 and the second piston 5 for pushing the first piston 7 to return in the direction of the input hub 12. Further, the number of the fluid passages is two, which are respectively communicated to the two pressure oil chambers in the two clutches, and the symmetrical compact dual clutch module further includes a valve actuator (not shown), specifically a solenoid valve, for switching the alternating flow state of the two fluid passages, which can be installed in the input hub 12 or can be designed outside the input hub 12.
As a further preferred embodiment, each friction plate group comprises a plurality of friction plates 9 and a separator plate 10 arranged between each two adjacent friction plates 9, respectively, to constitute a plate type friction plate group as a whole. Furthermore, a back plate 3 is further arranged in each clutch, the back plate 3 is fixedly arranged between the inner shell 4 and the outer shell 1 through a clamp spring 2, and the back plate 3 and the outer edge of the first piston 7 are separated from the front side and the rear side of the friction plate set and abut against the friction plate set so as to clamp the friction plate set. Furthermore, the outer edge of the second piston 5 is in sealing contact with the first piston 7, and the inner edge is limited at one side of the input hub 12 through the shaft sleeve 8, so that the second piston is limited at a fixed position. Further, the outer edge of the input hub 12 is also sleeved with at least one sealing ring 11. Further, the number of the friction plates 9 in one clutch is three, and the number of the friction plates 9 in the other clutch is two, but obviously, the number of the friction plates may be equal, and the structures of the inner shell 4 and the outer shell 1 in the corresponding clutches may be designed according to different design requirements, which is not limited to this.
It should be noted that the structure adopted in the present embodiment is basically a revolving body structure around the central axis 13, so that only a partial structure of the sectional view is shown in the drawing, and the spring disc 6 includes a compression spring, two ends of the compression spring respectively abut against the opposite sides of the first piston 7 and the second piston 5 through a connecting head, and meanwhile, the first piston 7 and the second piston 5 are both disc-shaped structures. In addition, in the embodiment, the piston can be pushed to work without needing large oil pressure for oil feeding.
In a specific application, the embodiment is shown in fig. 2, which is a schematic power flow diagram of one of the clutches. When the pressure oil chamber of the clutch is filled with pressure oil, the first piston 7 is pushed by the pressure oil to move to the left, and the friction plate 9 and the separation plate 10 can be pushed to be combined. When the friction plate sets are combined, the power (shown by an arrow) of the engine is transmitted to the inner shell 4 through the input hub 12, the outer shell 1, the partition plate 10 and the friction plates 9, and then the power is transmitted to a gearbox gear shifting mechanism of a driving system of a motor vehicle.
The foregoing is only a preferred embodiment of the present invention, which is illustrative, not limiting. Those skilled in the art will appreciate that many variations, modifications, and equivalents may be made thereto without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The symmetrical compact double-clutch module is applied to a driving system of a motor vehicle, and is characterized by comprising an input hub (12) and two clutches symmetrically arranged on the front side and the rear side of the input hub (12), wherein each clutch comprises an inner shell (4), an outer shell (1) and a friction plate group accommodated between the inner shell and the outer shell, the outer shells (1) are fixedly connected with the input hub (12) respectively, and the inner shells (4) are externally connected with a gearbox gear shifting mechanism of the driving system respectively;
each clutch comprises an actuating member, the actuating member is at least partially arranged on the side of the input hub (12), the two actuating members are used for facilitating the alternate combination of the two friction plate sets, and in the combined state of the friction plate sets, the power flow of the input hub (12) can be transmitted to the inner shell (4) through the outer shell (1) and the friction plate sets.
2. The symmetrical compact dual clutch module as recited in claim 1, characterized in that each of the actuating members comprises a first piston (7) and a second piston (5) arranged one behind the other, a pressure oil chamber being formed between the first piston (7) and the input hub (12), and the outer edge of the first piston (7) being close to the set of friction plates, and a flow channel communicating with the pressure oil chamber being provided in the input hub (12) for urging the first piston (7) in a direction away from the input hub (12) and against the set of friction plates by the outer edge for urging the set of friction plates into engagement.
3. A symmetrical, compact dual clutch module according to claim 2, characterized in that a spring disc (6) is further mounted between the first piston (7) and the second piston (5) for urging the first piston (7) to return in the direction of the input hub (12).
4. The symmetrical, compact dual clutch module as recited in claim 2 wherein the number of said fluid flow passages is two, each communicating with a respective one of said pressure oil chambers within said clutches, and further comprising a valve actuator for switching the flow of said two fluid flow passages alternately.
5. The symmetrical, compact dual clutch module as claimed in claim 1, characterized in that each of the friction plate groups comprises a plurality of friction plates (9) and a separator plate (10) arranged between each two adjacent friction plates (9).
6. The symmetrical compact dual clutch module according to claim 2, wherein a back plate (3) is further disposed in each clutch, the back plate (3) is fixedly mounted between the inner housing (4) and the outer housing (1) through a snap spring (2), and the outer edges of the back plate (3) and the first piston (7) are separated from the front side and the rear side of the friction plate set and abut against the friction plate set.
7. The symmetrical, compact dual clutch module as recited in claim 6, characterized in that the second piston (5) has an outer edge that seals against the first piston (7) and an inner edge that is restrained to one side of the input hub (12) by a bushing (8).
8. A symmetrical, compact dual clutch module according to claim 1, characterized in that the outer rim of the input hub (12) is also fitted with at least one sealing ring (11).
9. A symmetrical, compact dual clutch module according to claim 5, characterized in that the number of friction plates (9) in one of said clutches is three and the number of friction plates (9) in the other clutch is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020600036.4U CN212202899U (en) | 2020-04-21 | 2020-04-21 | Symmetrical compact double-clutch module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020600036.4U CN212202899U (en) | 2020-04-21 | 2020-04-21 | Symmetrical compact double-clutch module |
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| Publication Number | Publication Date |
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| CN212202899U true CN212202899U (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020600036.4U Active CN212202899U (en) | 2020-04-21 | 2020-04-21 | Symmetrical compact double-clutch module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027939A (en) * | 2021-04-14 | 2021-06-25 | 博格华纳联合传动系统有限公司 | Compact modular design integrated sequential double-clutch and shock absorber integrated device |
-
2020
- 2020-04-21 CN CN202020600036.4U patent/CN212202899U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027939A (en) * | 2021-04-14 | 2021-06-25 | 博格华纳联合传动系统有限公司 | Compact modular design integrated sequential double-clutch and shock absorber integrated device |
| CN113027939B (en) * | 2021-04-14 | 2024-05-14 | 博格华纳联合传动系统有限公司 | Integrated sequential double-clutch and shock absorber integrated device with compact modularized design |
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