CN102003472A - Double friction clutch for vehicle - Google Patents
Double friction clutch for vehicle Download PDFInfo
- Publication number
- CN102003472A CN102003472A CN2010102328046A CN201010232804A CN102003472A CN 102003472 A CN102003472 A CN 102003472A CN 2010102328046 A CN2010102328046 A CN 2010102328046A CN 201010232804 A CN201010232804 A CN 201010232804A CN 102003472 A CN102003472 A CN 102003472A
- Authority
- CN
- China
- Prior art keywords
- clutch
- double plate
- friction clutch
- plate friction
- pressure strip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D21/00—Systems comprising a plurality of actuated clutches
- F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
- F16D21/06—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D21/00—Systems comprising a plurality of actuated clutches
- F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
- F16D21/06—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric
- F16D2021/0684—Mechanically actuated clutches with two clutch plates
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention relates to a double friction clutch for vehicle. The double friction clutch (1) has two clutch disks (6, 7) with friction linings (8), where the disks are axis-displaceably arranged on respective driven shafts (9, 10) in a torque-proof manner. Two pressing plates (11, 12) press the drive surfaces (14, 15) on the friction linings (8) of the clutch disks (6,7). The pressing plates (11, 12) are co-axially movably mechanically connected together. One of the pressing plates (11,12) relevant with the position of only one actuator (17) is respectively frictionally connected with an axially fixed middle pressing plate (16) arranged between the pressing plates (11,12).
Description
Technical field
The present invention relates to a kind of double plate friction clutch that is used for automobile.This double plate friction clutch has the clutch disk of two band friction plates.This clutch disk is antitorque and can be arranged in movably vertically on separately the driven shaft.Each pressure strip is pressed to the friction plate of described clutch disk on the driving face.At this, but each pressure strip common axle is to mutual mechanical connection movably.
Background technique
A kind of such double plate friction clutch is disclosed in patent documentation DE 3327984C2.Fig. 6 and Fig. 7 show in state of activation and unactivated state the principle by this double plate friction clutch of prior art.Fig. 8 shows a kind of form of implementation of known double plate friction clutch with the cross section of summary.
Fig. 6 shows in clutch cover 24, be in the principle schematic drawing of the double plate friction clutch of unactivated state.This clutch cover 24 axial restraints and antitorque be connected with driving shaft 23.This driving shaft 23 for example can be the driving shaft of driving mechanism.Described clutch cover 24 have two in inside opposed driving face 14 and 15.This driving face is used for the clutch disk 6 and 7 that is arranged on two concentric driven shafts 9 or 10 by putting, wherein, driving shaft 9 with 10 respectively antitorquelyly and can be vertically be connected with one of 7 with two clutch disks 6 movably.
In addition, known double plate friction clutch has two pressure strips 11 and 12 in clutch cover 24, and the driving face 14 and 15 that this pressure strip is used for relative clutch cover 24 compresses clutch disk 6 and 7.First pressure strip in this pressure strip 11 and 12 can separate with the first clutch dish by actuator 17 or by the power that the release lever by release bearing 25 effect overcomes holddown spring 26.In this position of actuator 17, driving face 14 frictions of clutch disk 6 and clutch cover 24 are connected, and therefore, the torque of first driven shaft 9 is delivered on the driving shaft 23 of driving mechanism for example by axially displaceable clutch disk 6 and clutch cover 24.
Following Fig. 7 illustrates this situation, and promptly by operate actuator 17, the power that the pressure strip 12 of freely vacillating overcomes holddown spring 26 is extruded on the clutch disk 7 of second driven shaft 10.In the second place shown in Figure 7, the torque of the hollow shaft 18 or second driven shaft 10 is passed on the clutch cover 24, and therefore is delivered on the driving shaft 23.
In order to drive second pressure strip 12, pass second pressure strip 12 with release bearing 25 coefficient turnbuckles 27 with one.During along arrow B direction operate actuator 17, the spring force that turnbuckle 27 overcomes holddown spring 26 is pulled to second pressure strip 12 on second driving face 15 of described clutch cover 24, and producing friction between second clutch dish 7 and clutch cover 24 connects, therefore, the torque of hollow shaft 18 can be passed on the driving shaft 23.
Fig. 8 at length shows the cross section that passes through double plate friction clutch 5 in the prior art.Clutch cover 24 is bearing on the axle 23 by ball bearing 29.Second driven shaft 10 that is designed to hollow shaft 18 partly surrounds first driven shaft 9.This first driven shaft 9 has the engaging piece 30 that supports first clutch dish 6 antitorquely.This first clutch dish 6 has clutch plate 6a and 6b.
The power of holddown spring 32 is pushed first compression plate 11 towards the clutch plate 24a of described clutch cover 24, and wherein, clutch plate 24a friction is close on the driving face 14 of clutch cover 24 with connecting.Second clutch dish 7 with clutch plate 7a and 7b is bearing on the engaging piece 31 of described second driving shaft antitorquely.Between described holddown spring 32 and described second clutch dish 7, second pressure strip 12 can be bearing on the turnbuckle 27 with vertically vacillating.This turnbuckle 27 passes perforation 34 in second pressure strip 12, spacer sleeve 33, first pressure strip 11, pressure spring 36 and the actuator 17 with its left back end.Setscrew nut 35 screw threads are fixed on the screw thread of turnbuckle 27.
By release bearing 25 operate actuator 17 of revolving actuator 17 in the direction of arrow B the time, the power that described first pressure strip 11 overcomes holddown spring 32 is passed to the right.First clutch dish 6 is released thus.When actuator 17 continued deflection in the direction of arrow B, turnbuckle 27 was pushed spacer sleeve 33 to the right by first pressure strip 11 that drives, and drives second pressure strip 12, till this second pressure strip is near clutch plate 7b.Thus, clutch plate 7a abuts on the driving face 15 of clutch cover 24.Regulate frictional force between second pressure strip 12, clutch disk 7 and the driving face 15 by being applied to impacting force on the actuator 17.
Shortcoming at double plate friction clutch of the prior art described in Fig. 6 to 8 is, at least one pressure strip 12 is arranged in the clutch cover with vacillating, and this pressure strip only the bolt by being distributed in periphery as described turnbuckle to the heart and driven rotatably.This shortcoming makes being threaded of turnbuckle wear and tear easily, and the Returnning spring that is arranged in the clutch will produce slowly tired.
Summary of the invention
Technical problem to be solved by this invention is to create a kind of improved double plate friction clutch, and this clutch does not need very big clutch cover, so that torque force is delivered on the driving shaft from two driven shafts.This technical problem solves by a kind of double plate friction clutch that is used for automobile by the invention.This double plate friction clutch has two clutch disks that have friction plate.This clutch disk is antitorque and can be arranged in movably vertically on separately the driven shaft.Pressure strip is pressed to driving face on the friction plate of clutch disk.At this, but the pressure strip common axle is to mutual mechanical connection movably.Relevant with the position of unique actuator, one of described two pressure strips are arranged in middle pressing plate friction between each pressure strip, axial restraint and are connected with one respectively.
The advantage of described double plate friction clutch is, with the torque of two driven shafts be delivered to respectively driving shaft for example the process on the driving mechanism neither need turnbuckle also not need very big clutch cover.In addition, compression plate can be arranged on one of described axle vertically movably.Pressure strip is given driving shaft by clutch disk with the transmission of torque of driven shaft simultaneously.
In the preferred form of implementation of the present invention, described double plate friction clutch and one first and one second driven shaft acting in conjunction wherein, are bearing on first driven shaft as second driven shaft of hollow shaft.So not only to three coefficient axles but also the structure of double plate friction clutch is all had the advantage of spatial structure compactness.
Stipulate in addition, described double plate friction clutch has bistable spring element, this spring element relevantly with the position of actuator is shifted to second stable and oppositely transposition from the first stable position, and respectively one of described two pressure strips is connected with described middle pressing plate friction by one of described two clutch disks.A preferred cup spring is as bistable spring element.
Because the middle pressing plate of described axial restraint has different rotating speeds with its axle of supporting relatively, this pressing plate preferably is bearing in axle, is preferably on the hollow shaft by rolling bearing.
In another form of implementation of the present invention, connecting plate is fixed on separately outer periphery with two pressure strips.But obtain thus with each pressure strip common axle to be arranged in movably the compact structure on the axle of attaching troops to a unit.
In addition, radially connecting plate can make described two pressure strips be connected with the driving shaft of driving mechanism with moving axially.The moving axially property of clutch disk and pressure strip is connected by spline and guarantees.
Regulation in addition, at least one, preferred two can move vertically and antitorque the clutch disk that is arranged on the described driven shaft has the vibration absorption unit of a band damping device.
Pressing plate, clutch disk and pressure strip are arranged in the clutch framework of U type in the middle of described.This clutch framework self is arranged in the clutch cover, and this clutch cover and axial restraint ground antitorque with driving shaft is connected.
Described actuator hingedly is bearing on the clutch cover, and is operated by the release bearing that acts on the bistable spring element, and this spring element is biased to its second stable position when activating described actuator, and conversion double plate friction clutch.When unclamping described actuator, be back to first settling position partially by the bistable spring element of additional pressure spring-loaded.
Description of drawings
Now, further set forth the present invention with reference to the accompanying drawings.In the accompanying drawing:
Fig. 1 is by the principle schematic drawing of the double plate friction clutch of the present invention's first form of implementation under the state that actuator does not have to activate;
Fig. 2 is by the principle schematic drawing of double plate friction clutch shown in Figure 1 under the state of actuator activation;
Fig. 3 is by the principle schematic drawing of the double plate friction clutch of the present invention's second form of implementation under the state that actuator does not have to activate;
Fig. 4 is by the principle schematic drawing of double plate friction clutch shown in Figure 3 under the state of actuator activation;
Fig. 5 illustrates the cross-sectional view by the double plate friction clutch of the present invention's the 3rd form of implementation;
Fig. 6 is by the principle schematic drawing of the double plate friction clutch of prior art under the state that actuator does not have to activate;
Fig. 7 is by the principle schematic drawing of double plate friction clutch shown in Figure 6 under the state of actuator activation;
Fig. 8 is the cross-sectional view by the double plate friction clutch of prior art.
Embodiment
Fig. 1 is by the principle schematic drawing of the double plate friction clutch 1 of the present invention's first form of implementation under the state that actuator 17 does not have to activate.This actuator 17 can rotate by being arranged in its turning point 28 free-ended, that center on fixed-site at this unshowned release bearing 25.The other end of described actuator is connected mutually with U type clutch framework 38.In this clutch framework 38, be provided with an axial restraint, can be rotated to support on pressing plate 16 on the driven shaft 10 by ball bearing 29.Middle pressing plate 16 both sides of this axial restraint have rubbing surface, on the one hand, first clutch dish 6 can be pressed on this rubbing surface, wherein, the first clutch dish can be coupled with first driven shaft 9 by engaging piece 30 vertically movably antitorquely, on the other hand, a second clutch dish 7 can be pressed in the middle of pressing plate 16 with the opposed rubbing surface of above-mentioned rubbing surface on, this second clutch dish 7 can be connected with second driven shaft 10 or hollow shaft 18 vertically movably and antitorquely by engaging piece 31.
In order to form impacting force, bistable spring 40 compresses second clutch dish 7 by clutch framework 38 and pressure strip 12 in the state that shown in Figure 1, actuator 17 do not have to activate facing to axial stable middle pressing plate 16, make clutch framework 38 with the transmission of torque of second driven shaft 10 to can be vertically 23 that be connected with driving shaft movably, be not on first pressure strip 11 of the connection that rubs.
Therefore, in the unactivated state of described actuator 17, described second clutch dish 7 is connected with intermediate plate 16 and 12 frictions of second pressure strip rotatable, axial restraint, and drive clutch framework 38, that this clutch framework drives again not is that friction connects, can be fixed on first pressure strip 11 on the driving shaft 23 vertically movably, so as with the transmission of torque of second driven shaft 10 to driving shaft 23.At this, described bistable spring 40 is in the pressure stable state, so that described pressure strip 12 is compressed in the direction of arrow A facing to second clutch dish 7.
Fig. 2 is by the principle schematic drawing of double plate friction clutch 1 shown in Figure 1 under the state that described actuator 17 activates.For this reason, a release bearing is pressed hydraulic actuator 17 around the turning point 28 of fixed-site in the direction of arrow B, so that bistable spring 40 changes its compressive state over to, and conversion clutch framework 38, make 6 frictions of present first clutch dish connect ground, and this first clutch dish is extruded towards middle pressing plate 16 by first pressure strip 11 near pressing plate 16 in the middle of axial restraint, rotatable.In case release bearing 25 is exerted pressure no longer in the direction of arrow B, described bistable spring 40 just bounces back into the home position again, and as pressure spring described second pressure strip 12 is pressed on the middle pressing plate 16 axial restraint, rotatable towards second clutch dish 7.
Fig. 3 is by the principle schematic drawing of the double plate friction clutch 2 of the present invention's second form of implementation under the state that actuator 17 does not have to activate.Have with above-mentioned figure in the assembly of identical function represent with identical reference character and repeat no more.Be that with the difference of double plate friction clutch 1 illustrated in figures 1 and 2 a present additional clutch cover 24 surrounds axially displaceable framework 38, described actuator 17 is bearing on this clutch cover 24 by the turning point 28 of fixed-site.
Antitorque and the axial restraint ground of described clutch cover 24 and driving shaft 23 is connected, and clutch framework 38 can move vertically with respect to driven shaft 9,10 and driving shaft 23 in clutch cover 24.In the state that as shown in Figure 3 described actuator 17 does not have to activate, bistable spring 40 is in along the pressure pattern of arrow A direction, and axially displaceable framework 38 and pressure strip 12 are pressed onto on axial restraint and the rotatable middle pressing plate 16 along the direction facing to second clutch dish 7, and this pressing plate 16 itself is fixedlyed connected with clutch cover 24.
Fig. 4 is by the principle schematic drawing of double plate friction clutch shown in Figure 3 under the state that described actuator 17 activates, release bearing 25 is pressed hydraulic actuator 17 in the direction of arrow B now, and therefore make bistable spring element 40 be transformed into pulling force pattern C, thus, second clutch dish 7 is separated, and now first clutch dish 6 rubs with pressure strip 11 with middle pressing plate 16 and is connected.
Fig. 5 is the cross-sectional view by the double plate friction clutch 3 of the present invention's the 3rd form of implementation.This double plate friction clutch 3 have rotationally but axial restraint be bearing in pressing plate 16 on the ball bearing 29, in Fig. 5, this pressing plate 16 is shown, so that itself and two pressure strips 11 and 12 are distinguished with cross-hauling.In the state herein, first clutch dish 6 is connected with middle pressing plate 16 frictions with first pressure strip 11.Second pressure strip 12 is by axial connecting plate 19 and first pressure strip, 11 mechanical connections.
Therefore, described second pressure strip 12 is not connected with 7 frictions of second clutch dish, and therefore second clutch dish 7 is not connected with middle pressing plate 16 frictions yet.A vibration absorption unit 39 that is made of helical spring weakens the vibration of second clutch dish 7 by damper mechanism.Yet, also can this damper mechanism be set for first clutch dish 6.On the side of second clutch dish 7, connect double plate friction clutch 3 and stretch from clutch framework 38 convexities with the connecting element 41 of single or two big mass flywheels.The release bearing that moves bistable spring 40 by actuator 17 can be arranged in opposed clutch side, and this bistable spring is bearing on the support 42 of clutch framework 38.
Fig. 6 to 8 illustrates the double plate friction clutch by the prior art of being set forth in the background technique part.
List of numerals
1. double friction clutch (first form of implementation)
2. double friction clutch (second form of implementation)
3. double friction clutch (the 3rd form of implementation)
4. double friction clutch (prior art)
5. double friction clutch (prior art)
6. clutch disk
7. clutch disk
8. the friction plate of clutch disk
9. driven shaft
10. driven shaft
11. pressure strip
12. pressure strip
14. driving face
15. driving face
16. pressing plate (axial restraint and rotatable)
17. actuator
18. hollow shaft
19. connecting plate (axially)
23. driving shaft
24. clutch cover
25. release bearing
26. holddown spring
27. turnbuckle
28. the bearing of fixed-site
29. ball bearing
30. engaging piece
31. engaging piece
32. holddown spring
33. spacer sleeve
34. perforation
35. setscrew nut
36. pressure spring
37. engaging piece
38. clutch framework
39. vibration absorption unit
40. bistable spring element
41. connecting element
42. support
Claims (12)
1. double plate friction clutch that is used for automobile, wherein,
-this double plate friction clutch (1) has the clutch disk (6,7) of two band friction plates (8),
-described two clutch disks (6,7) are antitorque and can be arranged in movably vertically on separately the driven shaft (9,10),
-each pressure strip (11,12) is pressed to driving face (14,15) on the friction plate (8) of described clutch disk (6,7), and
Wherein, described each pressure strip (11,12) but common axle to mutual mechanical connection movably, relevant with the position of a unique actuator (17), described two pressure strips (11,12) one of respectively be arranged in middle pressing plate between the described pressure strip (11,12), axial restraint (16) friction and connect.
2. by the described double plate friction clutch of claim 1, it is characterized in that described double plate friction clutch (1) and one first and one second driven shaft (9,10) acting in conjunction, wherein, described second driven shaft (10) is bearing on described first driven shaft (9) as hollow shaft.
3. by claim 1 or 2 described double plate friction clutches, it is characterized in that, described double plate friction clutch (1) has bistable spring element (40), this spring element (40) relevantly with the position of actuator (17) is shifted to the second stable position or oppositely transposition from the first stable position, and make described two pressure strips (11 respectively, 12) one of via clutch disk (6,7) with described in the middle of pressing plate (16) friction be connected.
4. by the described double plate friction clutch of one of claim 1 to 3, it is characterized in that connecting plate (19) makes described two pressure strips (11,12) in separately outer periphery relative fixed.
5. by one of claim 1 to 4 described double plate friction clutch, it is characterized in that radially connecting plate can be connected described two pressure strips (11,12) vertically movably with the driving shaft (23) of a driving mechanism.
6. by the described double plate friction clutch of one of claim 1 to 5, it is characterized in that, described in the middle of pressing plate (16) axial restraint ground and being rotatably supported on one of described driven shaft (10).
7. by the described double plate friction clutch of one of claim 1 to 6, it is characterized in that the moving axially property of described clutch disk (6,7) and described pressure strip (11,12) is connected by spline and guarantees.
8. by the described double plate friction clutch of one of claim 1 to 7, it is characterized in that at least one is described can to move and the clutch disk (6,7) of antitorque layout has a vibration absorption unit (39) that has damping device vertically.
9. by one of claim 1 to 8 described double plate friction clutch, it is characterized in that described middle pressing plate (16), described clutch disk (6,7) and described pressure strip (11,12) are arranged in the clutch framework (38).
10. by the described double plate friction clutch of claim 9, it is characterized in that described clutch framework (38) is arranged in an antitorque and axial restraint ground and the clutch cover (24) that driving shaft (23) is connected.
11., it is characterized in that described actuator (17) hingedly is bearing on the described clutch cover (24) by the described double plate friction clutch of claim 10.
12., it is characterized in that described bistable spring element (40) has cup spring by one of claim 1 to 11 described double plate friction clutch.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009039467A DE102009039467A1 (en) | 2009-08-31 | 2009-08-31 | Double friction clutch for vehicle, has two pressing plates, where one of pressing plates is frictionally connected to pressure plate as function of positions of actuator, where pressure plate is centrally arranged between pressing plates |
| DE102009039467.2 | 2009-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102003472A true CN102003472A (en) | 2011-04-06 |
Family
ID=43525152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102328046A Pending CN102003472A (en) | 2009-08-31 | 2010-07-16 | Double friction clutch for vehicle |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN102003472A (en) |
| DE (1) | DE102009039467A1 (en) |
| RU (1) | RU2010136344A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362977A (en) * | 2012-04-03 | 2013-10-23 | 舍弗勒技术股份两合公司 | Clutch system |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013013782A1 (en) | 2013-08-21 | 2015-02-26 | Webo Werkzeugbau Oberschwaben Gmbh | Clutch with flying friction plates |
| DE102013013783A1 (en) | 2013-08-21 | 2015-04-30 | FormTechnology GmbH | Friction or brake disc for clutches |
| US10247258B2 (en) | 2014-04-28 | 2019-04-02 | Schaeffler Technologies AG & Co. KG | Friction clutch device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB498583A (en) * | 1937-05-21 | 1939-01-10 | Ljungstroms Angturbin Ab | Improvement in clutch mechanism |
| FR1557914A (en) * | 1968-01-10 | 1969-02-21 | ||
| DE3327984A1 (en) | 1983-08-03 | 1985-02-14 | Claas Ohg, 4834 Harsewinkel | Double friction clutch |
| DE3737229C2 (en) * | 1987-11-03 | 1996-06-05 | Fichtel & Sachs Ag | Friction clutch unit |
| DE10016604B4 (en) * | 2000-04-04 | 2011-09-22 | Zf Sachs Ag | Dual clutch assembly |
-
2009
- 2009-08-31 DE DE102009039467A patent/DE102009039467A1/en not_active Withdrawn
-
2010
- 2010-07-16 CN CN2010102328046A patent/CN102003472A/en active Pending
- 2010-08-30 RU RU2010136344/11A patent/RU2010136344A/en not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362977A (en) * | 2012-04-03 | 2013-10-23 | 舍弗勒技术股份两合公司 | Clutch system |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2010136344A (en) | 2012-03-10 |
| DE102009039467A1 (en) | 2011-03-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110406 |