CN216045100U - Tandem type wet-type double clutch - Google Patents
Tandem type wet-type double clutch Download PDFInfo
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- CN216045100U CN216045100U CN202122031338.1U CN202122031338U CN216045100U CN 216045100 U CN216045100 U CN 216045100U CN 202122031338 U CN202122031338 U CN 202122031338U CN 216045100 U CN216045100 U CN 216045100U
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Abstract
The utility model discloses a tandem type wet-type double clutch, which comprises an outer wet-type clutch unit, an inner wet-type clutch unit and a shell unit which are radially arranged, wherein the outer wet-type clutch unit and the inner wet-type clutch unit are respectively connected in series at the front end and the rear end of a driving motor, the power is sequentially transmitted in the sequence of an engine, the outer wet-type clutch unit, the driving motor, the inner wet-type clutch unit and a gearbox, the outer wet-type clutch unit is used for connecting and interrupting the power transmission between the driving motor and the engine, and the inner wet-type clutch unit is used for connecting and interrupting the power transmission between the driving motor and the gearbox. The utility model has the advantages that only one power input and one power output are provided, the structure that two wet clutches work in series is designed, the structure space is compact, and the utility model is matched with a P1/P2 hybrid power system.
Description
Technical Field
The utility model relates to the technical field of wet type double clutches, in particular to a wet type double clutch with two clutches connected in series.
Background
The double clutch is mainly applied to a double-clutch transmission, is different from a common automatic transmission system, is based on a manual transmission and belongs to an automatic transmission, and can provide uninterrupted power output besides the flexibility of the manual transmission and the comfort of the automatic transmission.
The double clutch structure disclosed at present mainly adopts a structure that two clutches are connected in parallel, and the two clutches are respectively responsible for power transmission and interruption of gears of odd gears and even gears of a gearbox, namely the double clutch has one power input and two power outputs. In a power assembly of a hybrid power system, double clutches are required to work in series, namely the double clutches only have one power input and one power output, and the existing parallel double clutch structure cannot meet the requirement, which is a place for the important improvement of the application.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a tandem type wet double clutch, which only has one power input and one power output.
In order to solve the technical problems, the utility model provides a tandem type wet double clutch, which comprises an outer wet clutch unit, an inner wet clutch unit and a shell unit which are radially arranged, wherein the outer wet clutch unit and the inner wet clutch unit are respectively connected in series at the front end and the rear end of a driving motor, the power is sequentially transmitted in the sequence of an engine, the outer wet clutch unit, the driving motor, the inner wet clutch unit and a gearbox, the outer wet clutch unit is used for connecting and interrupting the power transmission between the driving motor and the engine, and the inner wet clutch unit is used for connecting and interrupting the power transmission between the driving motor and the gearbox.
The outer wet type clutch unit comprises an input spline shaft sleeve, input spline teeth of the input spline shaft sleeve, an outer friction plate, an outer dual plate, an outer pressure plate, an outer diaphragm spring and a return spring, wherein the outer friction plate and the outer dual plate are arranged at intervals, a gap is reserved between every two outer friction plates, the input spline shaft sleeve transmits power of an engine to the outer wet type clutch unit through the input spline teeth, the power of the first engine is introduced into the tandem type wet type double clutches, the power is transmitted to the outer friction plates through the input spline teeth of the outer wet type clutches, the outer diaphragm spring drives the outer pressure plate to move axially, the gap between every two outer friction plates and the gap between every two outer dual plates are gradually compressed until the outer wet type clutch unit is completely attached, and the outer wet type clutch unit is combined to transmit torque of the engine.
The outer wet clutch unit further comprises a limiting plate, a shaft seal, a needle bearing and an outer supporting ring, wherein the shaft seal and the needle bearing are installed at the sealing hole, the limiting plate is axially arranged on one side of the outer couple plate, an outer pressing disc is axially arranged on the other side, the outer circle of the outer diaphragm spring is constrained by the outer supporting ring to form an outer diaphragm supporting point, the outer pressing disc penetrates through a through hole of the outer pressing disc to enable one side of the outer diaphragm spring to be attached to the outer pressing disc supporting point, an outer pressing disc positioning column penetrates through the outer diaphragm positioning hole, when the outer supporting circle arranged on the outer diaphragm spring is axially moved by thrust of the outer separating bearing, the outer diaphragm spring is contacted with the outer pressing disc supporting point, and the outer pressing disc is driven to axially move.
The return springs are circumferentially arranged in the return spring holes, the force on the bearing is unloaded in an outward separating mode, the elastic force of the return springs acts on the return angle of the outer pressure plate, the outer pressure plate resets, a gap is formed between the outer friction plate and the outer counter-coupling plate, and the outer wet clutch unit is disconnected.
The shell unit comprises a shell and shell external spline teeth of the shell, wherein the shell external spline teeth receive power from the external wet clutch unit, and the power is further transmitted to the internal wet clutch unit through the shell internal spline teeth.
The shell unit also comprises a bolt, a bearing plate, a sealing bearing, a shell, an outer clamp spring, a gasket and an inner clamp spring, wherein the shell is connected with the bearing plate through the bolt, and the bolt penetrates through the bolt hole and is fastened with the threaded hole; the sealing bearing is arranged at the bearing hole of the bearing plate, and the inner hole of the sealing bearing is in interference fit with the sealing step of the bearing; the outer clamp spring is arranged in an outer clamp spring groove of the shell, so that the axial position of the outer support ring is ensured; the inner snap spring is arranged in the snap spring groove in the shell, so that the axial position of the inner supporting ring is ensured; the gasket is arranged between the gasket supporting step and the output spline shaft sleeve to ensure the relative rotation of the gasket supporting step and the output spline shaft sleeve; the motor rotor frame is connected with the driving motor rotor, and the power of a second power driving motor is introduced.
The bearing plate is sealed with the gearbox shell through the gearbox sealing step, and the shaft seal is arranged at the sealing hole of the input spline shaft sleeve, so that the integral sealing of the tandem type wet double clutches is ensured, and the wet double clutches operate in gearbox oil.
Interior wet clutch unit, including output spline axle sleeve and output spline tooth, interior friction disc, interior dual piece, interior diaphragm spring, interior pressure disk, interior supporting ring, return ripples spring, interior wet clutch unit passes through the spline tooth in the casing with power transmission to interior dual piece, interior dual piece and interior friction disc interval arrangement and gapped between two liang, interior diaphragm spring drive interior pressure disk carries out axial displacement, compresses gradually until laminating totally with the clearance between interior friction disc and interior dual piece, and interior wet clutch unit combines the transmission moment of torsion.
The casing friction surface is arranged to one side axial of outer friction disc, and interior pressure disk is arranged to the opposite side axial, and interior diaphragm spring excircle department receives the restraint of interior supporting ring and forms interior diaphragm outer fulcrum, and interior diaphragm spring one side laminates with interior pressure dish fulcrum, presses the dish reference column in and passes interior diaphragm locating hole, and when the inner support circle that arranges on the interior diaphragm spring received interior release bearing's thrust axial displacement, interior diaphragm spring was through contacting with interior pressure dish fulcrum, and pressure disk carries out axial displacement in the drive.
The inner friction plate transmits torque to the output spline shaft sleeve through the output spline teeth of the inner wet clutch, and the output spline shaft sleeve transmits the torque to the gearbox shaft through the engagement of the output spline teeth and the spline teeth of the gearbox shaft.
And a needle bearing surface at the top end of the gearbox shaft is matched with the needle bearing, so that the gearbox shaft and the wet-type double clutch are coaxial.
The return wave spring is arranged on the step surface of the shell, the force on the bearing is separated in the return wave spring and unloaded, the return wave spring acts on the return surface of the inner pressure plate through the elastic force, the inner pressure plate is reset, a gap is generated between the inner friction plate and the inner dual plate, and the inner wet clutch unit is disconnected.
The utility model has the following advantages: only one power input and one power output; based on the space of the traditional double clutch, a structure that two wet clutches work in series is innovatively designed, the structure space is compact, and the structure space is matched with a P1/P2 hybrid power system.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of an embodiment assembly of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
description of the figures
1-a bolt;
2-a support plate;
201-bearing plate bearing hole; 202-gearbox sealing step;
203-bolt holes;
3-a limiting plate;
4-inputting the spline shaft sleeve;
401 — input spline teeth; 402-outer clutch input spline teeth;
403-sealing the hole; 404-shaft sleeve sealing step;
5-sealing the bearing; 6-shaft seal;
7-needle roller bearings; 8-inner friction plate;
9-inner dual slice; 10-outer friction plate;
11-outer pair of dipole pieces;
12-a housing;
1201-threaded hole; 1202-motor rotor frame;
1203-housing outer spline teeth; 1204-outer circlip groove;
1205-outer pressure disc through hole; 1206-housing internal spline teeth;
1207-housing step face; 1208-gasket support step;
1209-inner snap spring groove; 1210-return spring hole;
1211-friction surface of the shell;
13-outer snap spring; 14-outer support ring;
15-external pressing disc;
1501-external pressure plate positioning column; 1502-return angle of outer pressing disc;
1503-fulcrum of external pressure disk;
16-an outer diaphragm spring;
1601-an outer membrane positioning hole; 1602-outer support circle;
17-a gasket;
18-output spline shaft sleeve;
1801-inner clutch output spline teeth; 1802-output spline teeth;
19-a gearbox shaft;
1901-needle bearing surface; 1902-transmission shaft spline teeth;
20-an inner diaphragm spring;
2001-inner membrane positioning holes; 2002-inner support circle;
21-inner platen;
2101-internal pressure plate positioning columns; 2102-inner pressure disc repositioning surface;
2103-inner pressure plate fulcrum;
22-inner support ring; 23-inner snap spring;
24-return wave spring; 25-return spring.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
FIG. 1 shows a schematic view of an embodiment of the present invention, FIG. 2 shows a cross-sectional view of an embodiment of the present invention taken along line A-A, and FIG. 3 shows a cross-sectional view of an embodiment of the present invention taken along line B-B. As shown in fig. 1 to 3, the present invention provides a tandem wet type dual clutch including an outer wet type clutch unit and an inner wet type clutch unit, which are radially arranged, and a housing unit, wherein:
a housing unit including a bolt 1, a support plate 2, a seal bearing 5, a housing 12, an outer clamp spring 13, a gasket 17, and an inner clamp spring 23;
the external wet clutch unit comprises a limiting plate 3, an input spline shaft sleeve 4, a shaft seal 6, a needle bearing 7, an external friction plate 10, an external couple plate 11, an external support ring 14, an external pressure plate 15, an external diaphragm spring 16 and a return spring 25;
the internal wet clutch unit comprises an internal friction plate 8, an internal dual plate 9, an output spline shaft sleeve 18, an internal diaphragm spring 20, an internal pressure plate 21, an internal support ring 22 and a return wave spring 24;
the input spline shaft sleeve 4 transmits power of an engine to an external wet clutch unit through an input spline tooth 401, power of a first power engine is introduced into a wet double clutch, power is transmitted to an outer friction plate 10 through an outer clutch input spline tooth 402, a shaft seal 6 and a needle bearing 7 are installed at a sealing hole 403, the outer friction plate 10 and an outer couple plate 11 are arranged at intervals, a certain gap is ensured between every two outer friction plates 10 and the outer couple plate 11, a limiting plate 3 is axially arranged on one side of the outer couple plate 11, an outer pressure disc 15 is axially arranged on the other side of the outer friction disc, the outer circle of an outer diaphragm spring 16 is constrained by an outer support ring 14 to form an outer diaphragm fulcrum, the outer pressure disc 15 penetrates through an outer pressure disc through hole 1205 to enable one side of the outer diaphragm spring 16 to be attached to the outer diaphragm fulcrum 1503, an outer diaphragm positioning column 1501 penetrates through an outer diaphragm positioning hole 1601, when an outer support circle 1602 arranged on the outer diaphragm spring 16 is axially moved by thrust of an outer release bearing, the outer diaphragm spring 16 is contacted with the outer pressing disc pivot 1503 to drive the outer pressing disc 15 to move axially, the gap between each two outer friction disc 10 and each two outer couple discs 11 is gradually compressed until the outer friction discs and the outer couple discs are completely attached, and at the moment, the outer clutch unit is combined to transmit the torque of the engine. When the outer clutch unit is to be disconnected, the force on the outer separating bearing is unloaded, the return springs 25 circumferentially arranged in the return spring holes 1210 act on the return angle 1502 of the outer pressure plate through elastic force, the outer pressure plate 15 is reset, a certain gap is generated between the outer friction plate 10 and the outer counter plate 11, and power is disconnected.
The housing unit receives power from the outer wet clutch unit through housing outer splines 1203 arranged on the housing 12, and further transfers power to the inner wet clutch unit through housing inner splines 1206.
The inner wet type clutch unit transmits power to the inner dual plate 9 through the spline teeth 1206 in the shell, the inner friction plates 8 and the inner dual plate 9 are arranged at intervals, a certain gap is ensured between every two inner friction plates 8 and the inner dual plate 9, the shell friction surface 1211 is axially arranged on one side of the inner friction plate 8, the inner pressure plate 21 is axially arranged on the other side of the inner friction plate, the outer circle of the inner diaphragm spring 20 is restrained by the inner support ring 22 to form an inner diaphragm outer fulcrum, one side of the inner diaphragm spring 20 is attached to the inner pressure plate fulcrum 2103, the inner pressure plate positioning column 2101 penetrates through the inner diaphragm positioning hole 2001, when the inner support circle 2002 disposed on the inner diaphragm spring 20 is axially displaced by the thrust of the inner throwout bearing, the inner diaphragm spring 20 drives the inner pressure plate 21 to axially move by contacting with the inner pressure plate pivot 2103, gradually compresses the gap between the inner friction plate 8 and the inner dual plate 9 until the inner friction plate and the inner dual plate are completely attached, and at the moment, the inner clutch unit is combined to transmit torque. The inner friction plate 8 transmits torque to the output spline shaft sleeve 18 through the inner clutch output spline teeth 1801, the output spline shaft sleeve 18 is meshed with the gearbox shaft spline teeth 1902 through the output spline teeth 1802 to transmit the torque to the gearbox shaft 19, and the needle bearing surface 1901 at the top end of the gearbox shaft 19 is matched with the needle bearing 7 to ensure the coaxiality of the gearbox shaft 1901 and the double clutches. When the inner clutch unit is to be disconnected, the force on the inner separating bearing is unloaded, the return wave spring 24 mounted at the stepped surface 1207 of the housing acts on the return surface 2102 of the inner pressure plate through the elastic force, the inner pressure plate is returned, a certain gap is generated between the inner friction plate 8 and the inner counter plate 9, and the power is disconnected.
The housing 12 and the support plate 2 are connected by a bolt 1, and the bolt 1 passes through the bolt hole 203 and is fastened to the screw hole 1201. The sealing bearing 5 is arranged at the bearing hole 201 of the bearing plate, and the inner hole of the sealing bearing 5 is in interference fit with the bearing sealing step 404. The outer snap spring 13 is mounted in the outer snap spring groove 1204 of the housing, ensuring the axial position of the outer support ring 14. The inner circlip 23 is arranged in a circlip groove 1209 in the shell to ensure the axial position of the inner supporting ring 22. The spacer 17 is mounted between the spacer support step 1208 and the output spline housing 18 to ensure relative rotation therebetween. The motor rotor frame 1202 is connected with the drive motor rotor, and introduces a second power to drive the motor power.
The bearing plate 2 is sealed with the gearbox shell through the gearbox sealing step 202, and the shaft seal 6 is arranged at the sealing hole 403 of the input spline shaft sleeve 4, so that the integral sealing of the tandem type double clutches is ensured, and the wet type double clutches are operated in gearbox oil.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A series connection type wet double clutch is characterized in that: the outer wet clutch unit and the inner wet clutch unit are arranged in the radial direction, the outer wet clutch unit and the inner wet clutch unit are respectively connected in series at the front end and the rear end of a driving motor, the power is transmitted in sequence through an engine, the outer wet clutch unit, the driving motor, the inner wet clutch unit and a gearbox, the outer wet clutch unit is used for connecting and interrupting power transmission between the driving motor and the engine, and the inner wet clutch unit is used for connecting and interrupting power transmission between the driving motor and the gearbox.
2. The tandem wet dual clutch according to claim 1, wherein: the outer wet type clutch unit comprises an input spline shaft sleeve, input spline teeth of the input spline shaft sleeve, an outer friction plate, an outer dual plate, an outer pressure plate, an outer diaphragm spring and a return spring, wherein the outer friction plate and the outer dual plate are arranged at intervals, a gap is reserved between every two outer friction plates, the input spline shaft sleeve transmits power of an engine to the outer wet type clutch unit through the input spline teeth, the power of the first engine is introduced into the tandem type wet type double clutches, the power is transmitted to the outer friction plates through the input spline teeth of the outer wet type clutches, the outer diaphragm spring drives the outer pressure plate to move axially, the gap between every two outer friction plates and the gap between every two outer dual plates are gradually compressed until the outer wet type clutch unit is completely attached, and the outer wet type clutch unit is combined to transmit torque of the engine.
3. The tandem wet dual clutch according to claim 2, wherein: the outer wet clutch unit further comprises a limiting plate, a shaft seal, a needle bearing and an outer supporting ring, wherein the shaft seal and the needle bearing are installed at the sealing hole, the limiting plate is axially arranged on one side of the outer couple plate, an outer pressing disc is axially arranged on the other side, the outer circle of the outer diaphragm spring is constrained by the outer supporting ring to form an outer diaphragm supporting point, the outer pressing disc penetrates through a through hole of the outer pressing disc to enable one side of the outer diaphragm spring to be attached to the outer pressing disc supporting point, an outer pressing disc positioning column penetrates through the outer diaphragm positioning hole, when the outer supporting circle arranged on the outer diaphragm spring is axially moved by thrust of the outer separating bearing, the outer diaphragm spring is contacted with the outer pressing disc supporting point, and the outer pressing disc is driven to axially move.
4. The tandem wet dual clutch according to claim 2, wherein: the return springs are circumferentially arranged in the return spring holes, the force on the bearing is unloaded in an outward separating mode, the elastic force of the return springs acts on the return angle of the outer pressure plate, the outer pressure plate resets, a gap is formed between the outer friction plate and the outer counter-coupling plate, and the outer wet clutch unit is disconnected.
5. The tandem wet dual clutch according to claim 1, wherein: the shell unit comprises a shell and shell external spline teeth of the shell, wherein the shell external spline teeth receive power from the external wet clutch unit, and the power is further transmitted to the internal wet clutch unit through the shell internal spline teeth.
6. The tandem wet dual clutch according to claim 5, wherein: the shell unit also comprises a bolt, a bearing plate, a sealing bearing, a shell, an outer clamp spring, a gasket and an inner clamp spring, wherein the shell is connected with the bearing plate through the bolt, and the bolt penetrates through the bolt hole and is fastened with the threaded hole; the sealing bearing is arranged at the bearing hole of the bearing plate, and the inner hole of the sealing bearing is in interference fit with the sealing step of the bearing; the outer clamp spring is arranged in a clamp spring groove outside the shell, the inner clamp spring is arranged in a clamp spring groove inside the shell, the gasket is arranged between the gasket supporting step and the output spline shaft sleeve, and the motor rotor frame is connected with the driving motor rotor.
7. The tandem wet dual clutch according to claim 6, wherein: the bearing plate is sealed with the gearbox shell through a gearbox sealing step, and the shaft seal is arranged at a sealing hole of the input spline shaft sleeve.
8. The tandem wet dual clutch according to claim 1, wherein: interior wet clutch unit, including output spline axle sleeve and output spline tooth, interior friction disc, interior dual piece, interior diaphragm spring, interior pressure disk, interior supporting ring, return ripples spring, interior wet clutch unit passes through the spline tooth in the casing with power transmission to interior dual piece, interior dual piece and interior friction disc interval arrangement and gapped between two liang, interior diaphragm spring drive interior pressure disk carries out axial displacement, compresses gradually until laminating totally with the clearance between interior friction disc and interior dual piece, and interior wet clutch unit combines the transmission moment of torsion.
9. The tandem wet dual clutch according to claim 2, wherein: the casing friction surface is arranged to one side axial of outer friction disc, and interior pressure disk is arranged to the opposite side axial, and interior diaphragm spring excircle department receives the restraint of interior supporting ring and forms interior diaphragm outer fulcrum, and interior diaphragm spring one side laminates with interior pressure dish fulcrum, presses the dish reference column in and passes interior diaphragm locating hole, and when the inner support circle that arranges on the interior diaphragm spring received interior release bearing's thrust axial displacement, interior diaphragm spring was through contacting with interior pressure dish fulcrum, and pressure disk carries out axial displacement in the drive.
10. The tandem wet dual clutch according to claim 8, wherein: the inner friction plate transmits torque to the output spline shaft sleeve through the output spline teeth of the inner wet clutch, and the output spline shaft sleeve transmits the torque to the gearbox shaft through the engagement of the output spline teeth and the spline teeth of the gearbox shaft.
11. The tandem wet dual clutch according to claim 10, wherein: and a needle bearing surface at the top end of the gearbox shaft is matched with the needle bearing, so that the gearbox shaft and the wet-type double clutch are coaxial.
12. The tandem wet dual clutch according to claim 8, wherein: the return wave spring is arranged on the step surface of the shell, the force on the bearing is separated in the return wave spring and unloaded, the return wave spring acts on the return surface of the inner pressure plate through the elastic force, the inner pressure plate is reset, a gap is generated between the inner friction plate and the inner dual plate, and the inner wet clutch unit is disconnected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122031338.1U CN216045100U (en) | 2021-08-26 | 2021-08-26 | Tandem type wet-type double clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122031338.1U CN216045100U (en) | 2021-08-26 | 2021-08-26 | Tandem type wet-type double clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216045100U true CN216045100U (en) | 2022-03-15 |
Family
ID=80621802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122031338.1U Active CN216045100U (en) | 2021-08-26 | 2021-08-26 | Tandem type wet-type double clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216045100U (en) |
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2021
- 2021-08-26 CN CN202122031338.1U patent/CN216045100U/en active Active
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