CN1165692C - Self-adjusting friction clutch having over-adjustment protection and resettting mechanism - Google Patents

Self-adjusting friction clutch having over-adjustment protection and resettting mechanism Download PDF

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Publication number
CN1165692C
CN1165692C CNB991076974A CN99107697A CN1165692C CN 1165692 C CN1165692 C CN 1165692C CN B991076974 A CNB991076974 A CN B991076974A CN 99107697 A CN99107697 A CN 99107697A CN 1165692 C CN1165692 C CN 1165692C
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China
Prior art keywords
cam
pressing plate
type bar
finger
cam member
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CNB991076974A
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CN1274814A (en
Inventor
C・D・科勒
C·D·科勒
戈彻诺尔
D·V·戈彻诺尔
库默尔
M·E·库默尔
斯�
M·詹宁斯
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Eaton Corp
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Eaton Corp
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Abstract

The present invention relates to a friction clutch adjusting mechanism for automobiles. The friction clutch adjusting mechanism is composed of a press plate, a main loop cam member, an auxiliary loop cam member, a cam control rod, an anti-rotation structure and a control rod damping spring, wherein the press plate has a rotating shaft and a contact surface which is perpendicular to the rotating shaft; the main loop cam member shares the same shaft with the rotating shaft, has a plurality of main oblique cam surfaces and can be rotatablely installed correspondingly to the press plate. The auxiliary loop cam member can rotate correspondingly to the main loop cam member and has corresponding auxiliary oblique cam surfaces engaged with the auxiliary loop cam member. The main loop cam member and the auxiliary loop cam member limit the effective thickness of the press plate. The periphery of the auxiliary loop cam member is provided with a contact step. A spring between the cam members rotate a offset cam member to make the height of a cam gradually increased. The handle of the cam control rod in a press plate hole is axially oriented and can axially slide back and forth correspondingly to the press plate. The control rod extending from the handle is also provided with a contact part which is contact with the auxiliary loop cam member. The anti-rotation structure is in contact with the control rod to prevent the control rod rotate correspondingly to the press plate. The damping spring pushes the control rod to one side of the hole to damp the axial reciprocating movement of the control rod by friction resistance.

Description

Self-regulating friction clutch with the protection adjusted and reset mechanism
The application is on November 13rd, 1996 registration, is entitled as " the self-regulating friction clutch of strap cam location finger-type bar " application number and is the part continuation application of 08/748,702 U. S. Patent.
Technical field
The present invention relates to friction clutch, specifically, is the friction clutch of band automatic adjusting mechanism.
Background technique
Existing friction clutch is that a kind of releasable moment of torsion connection set is set between motor car engine flywheel and accessory drive.Such clutch needs the unlocked position of the relative flywheel of clutch pressure plate to regulate to guarantee to reach after this clutch driven plate friction material begins to be worn the contact fully of this friction clutch amount.Some clutches then are between pressing plate and the attached biasing member such as the film spring automatic adjusting mechanism to be set.The adjustment that the clutch contact force that this just biasing member under contact condition provides has been protected this regulating mechanism.When clutch unclamps, the excessive adjustment of clutch will take place, especially when pressing plate when biasing member separates.Known that the available member that is connected to pressing plate goes restriction adjustment.But the general adjustment that has limiting member also need make this biasing member do to separate completely from pressing plate after adjustment takes place.What this requirement that separates fully caused is the only adjustment in length, promptly when in clutch pedal is totally released.
So a kind of such adjustment restricting means of demand, it can continuously be adjusted in each clutch pedal action automatically, prevent the excessive adjustment to self-regulating mechanism simultaneously.Also need to provide a kind of restricting means that constitutes with minimal components.
Another difficulty of being correlated with then is the regulating mechanism of resetting.The regulating mechanism of some types can be pressing plate need be pulled down this regulating mechanism of back resetting from covering.When changing the driven disc of grinding away, need especially will not pull down from covering by pressing plate, new with regard to this regulating mechanism being reset to from abration position, or claim not decrease on the position.
A kind of clutch of band resetting-mechanism easy to use need be provided, and it can make regulating mechanism reset from the wearing and tearing position to unworn new position.
Summary of the invention
The object of the present invention is to provide a kind of self-regulating friction clutch to comprise and in each clutch pedal action, to do continuous automatic adjusting, prevent a kind of restricting means of excessively adjusting simultaneously.In addition, the use that is made of minimal components has a kind of restricting means of automatic regulating apparatus.Also disclose a kind of resetting-mechanism easy to use, it need not to take apart clutch cover and pressing plate can be reset to unworn new position with self-adjusting apparatus from the wearing and tearing position.
A kind of automobile according to the present invention is characterized by with the regulating mechanism of friction clutch, and it comprises: one have a rotation axis and with the pressing plate of the contact surface of described rotation axis approximate vertical; Main loop cam with coaxial, it has the oblique cam face of a series of master and rotatably fixes with respect to this pressing plate; The inner loop shape bulge loop spare that can rotate relative to the main loop cam member, it has the oblique camming surface of a series of pairs with the oblique camming surface engagement of this master, it defines an effective thickness of compressive plate corresponding to Surface of action with the main loop cam, this inner loop shape cam member is positioned at a contact step on its outer annulus edge in addition, this inner loop shape cam member also has at a pre-position and a rotational travel limiting structure that combines at the block of primary importance, and this block is fixed with respect to pressing plate; A cam spring that is located between the cam member, it is rotationally with the cam height of cam bias voltage to an increase; A cam control finger-type bar, place slidably in the hole on this pressing plate, this finger-type bar has a shank, this shank be contained in the hole on the pressing plate and by axial orientation so that pressing plate axial slip relatively, a contact segment of radially extending from the shank work, it combines with this inner loop cam member; One contacts and comprises the anti-rotation structure of a pressing plate part with the finger-type bar, and it prevents finger-type bar rotating relative to pressing plate; With one be used for the control finger-type bar damping spring that itself and hole edge joint touched finger-type bar bias voltage, it is arranged between this finger-type bar and the pressing plate and is placed on basically in the hole, this damping spring has surface friction drag to hinder moving axially of this control finger-type bar.
The friction clutch that a kind of automobile according to the present invention is used is characterized by, and it comprises: a lid; One links together around axis rotation with lid, and has and this axis pressing plate of vertical frictional contact surface substantially; One places first biasing member between lid and the pressing plate, and it selectively moves between engagement positio and disengaged position, pressing plate is biased into the pressing plate position of a joint on engagement positio; Second biasing member that rotationally pressing plate is connected with lid, it pushes pressing plate to lid; Main loop cam member with described axis coaxle, it is fixed with respect to pressing plate rotationally, and has the oblique cam face of a series of masters; Inner loop shape cam member with described axis coaxle, it can rotate and have the oblique cam face of pair that a series of and main oblique wheel surface is meshed relative to the main ring cam member, and the cam member of this engagement is axially disposed between the pressing plate and first biasing member, wherein, the pressing plate effective thickness of contact part from friction surface to inner loop shape cam that the cam of this engagement limits is with relatively rotating and increase on a first direction, and this inner loop shape cam also has a contact step at its excircle place, and this inner loop shape cam member has a rotational travel limiting structure to contact with a block element a primary importance on a precalculated position, and this block element is fixed on pressing plate; Be located at a cam spring between the cam member, on this first direction, cause relatively rotating between the cam member; Slidably be placed on a cam control finger-type bar in the plate hole, it has a shank that is placed on the finger-type bar in this plate hole, it by axial orientation can axially reciprocatingly slide with respect to this pressing plate, with contact with this inner loop shape cam member, make a contact segment of radially extending from shank; An anti-rotation structure that contacts with this finger-type bar, it comprises the part of this pressing plate and prevents that phase finger-type bar from rotating with respect to pressing plate; Roughly be placed on a control finger-type bar damping spring in the hole, in order to a side contacts in biasing finger-type bar and hole, wherein this damping spring produces a surface friction drag and hinders moving axially of control finger-type bar.
According to a kind of automobile-use friction clutch of the present invention, it is characterized by, it comprises: a lid; One links together around axis rotation with lid, and has and this axis pressing plate of vertical frictional contact surface substantially; One places first biasing member between lid and the pressing plate, and it selectively moves between engagement positio and disengaged position, pressing plate is biased into the pressing plate position of a joint on engagement positio; Second biasing member that rotationally pressing plate is connected with lid, it pushes pressing plate to lid; Main loop cam member with described axis coaxle, it is fixed with respect to pressing plate rotationally, and has the oblique cam face of a series of masters; Inner loop shape cam member with described axis coaxle, it can rotate and have the oblique cam face of pair that a series of and main oblique wheel surface is meshed relative to the main ring cam member, and the cam member of this engagement is axially disposed between the pressing plate and first biasing member, wherein, the pressing plate effective thickness of contact part from friction surface to inner loop shape cam that the cam of this engagement limits is with relatively rotating and increase on a first direction, and this inner loop shape cam member has a rotational travel limiting structure to contact with a block element a primary importance on a precalculated position, and this block element is fixed on pressing plate; Be located at a cam spring between the cam member, on this first direction, cause relatively rotating between the cam member; Slidably be placed on a cam control finger-type bar in the plate hole, it has a shank that is placed on the finger-type bar in this plate hole, it by axial orientation can axially reciprocatingly slide with respect to this pressing plate, with contact with this inner loop shape cam member, make a contact segment of radially extending from shank; An anti-rotation structure that contacts with this finger-type bar, it comprises the part of this pressing plate and prevents that phase finger-type bar from rotating with respect to pressing plate; Roughly be placed on a control finger-type bar damping spring in the hole, side contacts in order to biasing finger-type bar and hole, wherein this damping spring produces a surface friction drag and hinders moving axially of control finger-type bar, and this resistance is enough to resist the axialy offset power that is caused by this second biasing member and/or this cam spring, but is not enough to opposing by this first biasing member applied force.
Description of drawings
Fig. 1 is the end elevation of a clutch, wherein for see regulating mechanism to the lid and the film spring done partly to dissect.
Fig. 2 is the sectional view on the arrow Z direction among Fig. 1, wherein clutch be interlock and the expression driven disc do not have wearing and tearing.
Fig. 3 is the sectional view of clutch under releasing orientation of Fig. 2.
Fig. 4 is the sectional view that the clutch seizure state among Fig. 2 is represented the driven disc wearing and tearing down.
Fig. 5 is that the clutch among Fig. 4 is in the unlocked position, represents that also driven disc has the sectional view of wearing and tearing.
Fig. 6 is the cam partial view of arrow 6 directions among Fig. 1.
Fig. 7 is the end elevation of cam spring and ring cam set, shows that cam spring is in this place's contact.
Fig. 8 is that cam spring is at the end elevation of wearing and tearing with no abration position.
Fig. 9 is that amplify the part of circle 9 among Fig. 1.
Figure 10 is the main body figure of amplification of the spring of cam control finger-type bar.
Figure 11 is the detailed main body figure of this clutch.
Figure 12 is along the clutch sectional view of arrow 12 directions among Figure 11.
The partial sectional view of Figure 13 for being connected between pressing plate and clutch cover.
Figure 14 be rotating cam spare master to stereogram.
Figure 15 is the stereogram of the secondary side direction of rotating cam spare of Figure 14.
Figure 16 is the stereogram that is in cam spring under the free state.
Figure 17 is the stereogram that is in the locational Figure 16 cam spring of wearing and tearing back clutch amount.
Figure 18 is the stereogram that is in Figure 16 cam spring on the new clutch position.
Figure 19 is the stereogram of clutch pressure plate.
Figure 20 is another cam controlling rod embodiment's amplification stereogram.
Figure 21 is the sectional view that has Figure 12 clutch of a reset driver.
Figure 22 is the make progress partial view of selected member of Figure 21 arrow 22.
Figure 23 is in resetting-mechanism on the non-activation point with one, is in a sectional view of clutch on the occlusal position.
Figure 24 has the resetting-mechanism that is on the activation point, the sectional view of Figure 23 clutch of non-occlusal position.
Figure 25 is the clutch sectional view that has Figure 23 of another kind of resetting-mechanism.
Figure 26 is the clutch sectional view that has another kind of resetting-mechanism such as Figure 23.
Figure 27 is the clutch sectional view that has another kind of resetting-mechanism such as Figure 23.
Figure 28 is the clutch sectional view that has another kind of resetting-mechanism such as Figure 23.
Figure 29 is the clutch sectional view that has another kind of resetting-mechanism such as Figure 23.
Figure 30 is the clutch sectional view that has another kind of resetting-mechanism such as Figure 23.
Figure 31 is the clutch sectional view that has another kind of resetting-mechanism such as Figure 23.
Figure 32 is the clutch sectional view that has another kind of resetting-mechanism such as Figure 23.
Figure 33 is the clutch sectional view that has another kind of resetting-mechanism such as Figure 23.
Figure 34 is the clutch sectional view that has another kind of resetting-mechanism such as Figure 23.
Figure 35 is the clutch sectional view that has another kind of resetting-mechanism such as Figure 23.
Figure 36 is the clutch sectional view that has another kind of resetting-mechanism such as Figure 23.
Figure 37 be among Figure 36 arrow 37 to the end elevation of clutch.
Figure 38 is the partial view of another kind of clutch with the key member of resetting-mechanism.
Figure 39 is the clutch partial end view that has another kind of resetting-mechanism.
Figure 40 be among Figure 39 arrow 40 to the clutch partial view.
Embodiment
The another kind of automobile friction clutch of representing among Fig. 1 20.The more detailed main body figure of clutch 20 represents with Figure 11.Clutch 20 rotates around axis 22.As shown in Figure 2, flywheel 24 installs on the output shaft of a motor car engine (not shown) in rotatable mode.The corresponding axis 22 of driven disc 26 centrally aligneds has a wheel hub (not shown) to be meshed with an input shaft of automotive trannsmission system (not shown).With the surface of contact 30 of pressing plate 32, the surface of contact 34 with flywheel 24 on opposite side contacts the friction member 28 of driven disc 26 on a side.
The lid of representing with local mode among Fig. 1 36 is arranged on the pressing plate 32, and is installed on the flywheel 24, and this can see clearlyer in Fig. 2 to 5.Film spring 38 has a series of finger-type body that extends radially inwardly, and as a biasing member, and is placed between pressing plate 32 and the lid 36.Spring 38 is pushed pressing plate 32 to driven disc 26, presses against on the flywheel surface of contact 34 under a jointing state again subsequently.The finger-type body 37 of film spring 38 have with one unclamp in bearing (not shown) axial engagement many to the tip.Unclamp the bearing mode to move axially this, it can make 38 skews of film spring, makes clutch 20 engage and to unclamp to switch in the two states and move selectively then.The film spring that tendency is selected is to set many clutch shafts at lid 36 and 32 of pressing plates, uses not the film spring with finger shape plate, or uses many helical springs.Bar had an effect make and to push pressing plate 32 to flywheel 24.A kind of pressing plate 32 and sheet spring 39 that covers 36 of connecting schematically shows in Figure 13 midship section as reaching at Fig. 2 to 5, pushes cover pressing plate 32 to 36.An automatic adjusting mechanism 40 has been placed between pressing plate 32 and the film spring 38.
Film spring 38 and lid 36 and regulating mechanism 40 be respectively by one the first, or claim external diameter fulcrum ring 42 and one the second, or claim internal diameter seat rings 44, contacts with both indirectly.The first fulcrum ring 42 has been placed on and has covered 36 inboard, and the second fulcrum ring, 44 shellfishes are concentric with it on automatic adjusting mechanism 40.
Regulating mechanism 40 has comprised the first in the cam path 48 that is placed on pressing plate 32, or claims stationary ring shape cam 46.Stationary ring shape cam 46 is coaxial with axis 22.Stationary ring cam 46 and main oblique cam face 50 also can make overall structure with pressing plate 32, and promptly as shown in Figure 12 and 19, camming surface 50 is integral with pressing plate 32.Stationary ring shape cam 46 among Fig. 2 is to use many stop pins 52 by groove 48 bottom surface upper process to make in the hole of putting into cam 46 to prevent to rotate.The second, or claim rotating ring shape cam 54 to be placed on the stationary ring cam 46, also there is the oblique cam face 56 of many pairs to be meshed, promptly as clear expression in Fig. 3 and 6 with main cam face 50.The second fulcrum ring 44 has been placed on 56 pairs of sides of camming surface in the groove on the rotating ring cam 54.54 tops effective thickness of compressive plate from surface of contact 30 to cam is controlled by regulating mechanism 40 shown in Fig. 3 and 6.As shown in figure 12, rotating ring shape cam 54 also can make in order to contacting with film spring 38, and a protruding peak of certain diameter circle is arranged on opposite cam 54 sides of camming surface 56.With this protruding peak just no longer needed the second fulcrum ring 44.
A series of cam orientation pin 57 radially is set, coaxial in order to contact with cam 54 with axis 22 to guarantee rotating ring shape cam 54.Also can be as shown in Figure 12 and 14, keep coaxial with pressing plate 30 with the fulcrum shaft shoulder 58.
As clear expression in Fig. 7 and 8, the cam spring of being done by the circle wire rod 60 has been placed between stationary ring cam 46 and the rotating ring cam 54, and on trending towards increasing by the direction of effective thickness of compressive plate H of mating face 30 to second fulcrum rings 44 push-and-pull two cams, as shown in Figure 6.Cam spring 60 usefulness imaginary lines have been represented " newly " clutch position, and with solid line " wearing and tearing " clutch position are shown.First end 59 of cam spring 60 is put in the hole on the rotating ring shape cam 54 so that motion each other.61 at second end of spring 60 preferably is placed in the groove on stationary ring shape cam 46 or the pressing plate 32.Also can be as expression in Figure 16-18, the similar spring that is used in clock and watch of cam spring 60 usefulness is made with flat band.Show that as Figure 22 the main end 59 of band spring 60 has one about 74 ° angle α, it has been insisted and had the carbine 62 of about 72 ° angle β on rotating ring cam 54.Employing can significantly reduce the tendency of main end 59 slippages in hook 62 less than 90 ° angle.Be extended with a triangle muscle portion between the hook 62 and the shaft shoulder 58 in order on cam member 54 1 sides, to play the effect that axially stops main end 59, on opposite side, stop it simultaneously by pressing plate 32.The pair end 61 of spring 60 as clearly visible in Figure 19, is put into a gap 63 on the ring portion of pressing plate 32.Figure 16,17 and 18 illustrate the free state of flat band spring 60 respectively, and wearing and tearing clutch position and new clutch or title tightly wrap the position.Driven disc 24 wearing and tearing, spring 60 will unclamp and tightly wrap, and cam 54 is biased on the position of an increase thickness H.
A restriction adjustment of regulating mechanism 40 has comprised a series of a series of pressing plate projections 65 of seeing of can knowing with mechanism from Fig. 9 and Figure 19, extended by the external diameter radial outward of pressing plate 32.Projection 65 respectively is with a hole 66, can keep cam control bar 64 in it and work edge and axis 22 parallel endwisely slipping.Finger-type bar 64 is known among Figure 10 an one most preferred embodiment is shown, and is roughly square along cross section on its length overall.Bar 64 have put into hole 66 extend axially shank 68, and one is extended arms 70 with rotating ring shape cam 54 contacted radial inward.Shown in Fig. 2-5, arm 70 extends by an angle, by shank 68 to the top 73.Compare with arm 70 and shank 68, the thickness at top 73 reduces.Be placed with damping spring 72 in the finger-type bar spring groove 74 of shank 68 side portion.Damping spring 72 is the sheet spring, arches upward outwardly from groove 74, causes a damping to cut lotus in hole 66, hinders axial motion at this place.The benefit of these sheet springs is can make against this spring load of hole 66 wall portions and is evenly distributed on the bigger surface area, and can make appurtenances use minimumly.Damping spring 72 is applied with preload, the preload elastic force of selecting should be sufficiently axially the motion of damping finger-type bar is in case the thrust load that causes because of cam spring 60 causes that finger-type bar 64 moves, also will making simultaneously can slide pressing plate 32 to force corresponding to the power of film spring 38 comes to driven disc 26 and gets on.During clutch 20 interlocks, first end of cam control bar 64 contacts with the surface of contact 34 of flywheel 24.Enter with surface of contact 34 when the end of shank 68 and to contact and pressing plate film spring 38 or one when being equal to biasing member and pushing away pressing plate 32 and be close to driven disc 26,64 on finger-type bar is forced in the hole 66 and slides.Another example of bar 64 shown in Figure 20 and 12 and damping spring 72 is that damping spring 72 is placed on the side of radial inward of shank 68.Damping spring 72 also can be placed on the side of shank 68 more than a side.Selective bar 64 among Figure 12 and 20 curves its arm 70, is parallel to pressing plate 32 from shank 68 before this and extends, and is curved up again to the top 73.
For a concrete clutch, may need to do some test and could determine its best combination, or the balance of elastic force, the preloading of sheet spring 39, cam spring 6 and refer to bar preloaded spring 72 etc.As emphasizing that preceding damping spring 72 must be able to make the bias force of finger-type bar 64 impedance cam springs 60 not hinder the power that is applied by film spring 38.Because differ very big between power that cam spring 60 generates and the film spring 38 aspect power, making this is easy more relatively.Cam spring 60 should not be by force be applied to rotational resistance on the moving cam 54 to oneself overcoming by it by sheet spring 39.Because can making, this refers to that bar 64 lost efficacy in the conditional adjustment to cam 54.
Cam controlling rod 64 will prevent to rotate relative to pressing plate 32, and this also relies in a pair of opposed anti-rotation shoulder or the locating bump 76 that are arranged on 70 liang of offsides of arm not just by being roughly square shank and hole.And the cross section of bar 64 can be a rectangle, particularly is preferably roughly square, is considering projection 76 in case the rotation of stopping bar 64 and this sectional shape manufacturing that needn't ask too much particularly is provided with under projection 76 situations can be selected the shape of cross section with other.The sort of curved boom portion 70 is well in the image pattern 12 and 20, can be suitable for adopting low shaped boss 76.
Insist in the contact step of doing at rotating ring shape cam 54 radial outside circular arc part places 80 in top 73.Step 80 and top 73 all make the thickness of attenuate, can help avoid the interference of film spring 38 operation like this, and the stroke of below cam is limited.First end 82 of contact step 80 and second end 84 have formed the rotary block that two places separate with about one 34 ° angle γ.Angle γ is substantially equal to the amount of expecting to be compensated with rotating cam 54 required rotation because of the gradient of the wearing and tearing of the driven disc of estimating 26 and camming surface 50 and 56.Certainly, also can there be other that structure of this limit rotation function is provided.For example step 80 can be radially outwardly projecting structure of cam 54 with between pressing plate 32 axially extended projections, rotate complete engaging cam 54 by contacting to limit.
Figure 21 has shown the sectional view of the clutch 20 of band resetting-mechanism 86.Resetting-mechanism 86 comprises a reset driver, or is driving tool 88, slidably is set on the trunnion 90 with selection mode.Driver 88 has pivot hole 92, and driving tool 88 is rotated around the pivot 94 of trunnion 90.The actuator head 96 of driving tool 88 has five driver teeth 98 of the cam tooth 100 that can drive interlock rotating ring shape cam 54.The tooth 98 that different numbers can be arranged on head 96 certainly.Hexagon head 102 is limited to the drive performance of the driving tool 88 on relative actuator head one end, and available common wrench turns driving tool 88.Film spring finger-type body 37 end do to have arcuation uncovered 110, are aligned in a gap 106 that covers on the 36 radially inboard limits with one uncovered 110, make the both aim at pivot pin 90.The alignment thin film spring is uncovered 104, and lid gap 106 and trunnion 90 slide on the trunnion 90 selectively with regard to available driving tool 88, driving the interlock of driver tooth 98 and cam tooth 100, and takes off driving tool 88 from clutch 20 on demand.
There is the bar of finger to import and export 105 and in proofreading and correct shank 68, aims at each cam control bar 64.Uncovered 105 do enough greatly, so that be reset to new or not behind the abration position, make a pin or punching pin be close to finger-type bar 64 in order to make it be back to new not abration position at rotating ring shape cam.
Figure 23 is slightly different with 86 with the resetting-mechanism 107 shown in 24.Resetting-mechanism 107 is except can not be from the driving tool 108 that clutch 20 takes off, with 86 basic identical.Driving tool 108 is pushed to one by a screw type driver Returnning spring 109 along trunnion 90 and throws off or non-activation point.Keep pad 110, its external diameter is greater than film spring mouth 104, is placed on the driver 108 of 38 on film spring of drive head 96.The shank of driver 108 has a hexagon socket head or claims Alan (Allen) type socket.Show that as Figure 23 cam 54 is in abration position.Among Figure 24, identical resetting-mechanism 107 is shown, just clutch device 20 is in disengaged condition, and cam 54 has been reset to new not abration position.
Shown in Figure 25-40 all is other alternative resetting-mechanism examples.
Resetting-mechanism 114 comprises a L type screwing tool 116 among Figure 25, and it has the star drive head 118 on the one end.Star drive head 118 has six points, but can be more or less.Cam 54 has a driver slot 120 of one of driver 118 of admittance screwing tool 116.Groove 120 has a series of wave-likes, is to do at least one side, by the rotation of screwing tool 116 cam 54 is resetted.
The resetting-mechanism 122 of Figure 26 is identical with 114 cardinal principles of Figure 25, is removable drill chuck wrench 124 as screwing tool just.Groove 126 on the cam 54 can be put the top tip part of chuck handle 124 into.Tooth with chuck wrench 124 goes interlock to make the tooth of the moving cam 54 on adjacent grooves 126 cams 54.
The resetting-mechanism 128 of Figure 27 is except the driving tool 130 of this mechanism 128 is permanent maintenance and cam 54 engagements, identical with resetting-mechanism 122 substantially.Driving tool 130 has a top that is contained in the groove 126.Instrument 130 usefulness plastic sheaths 132 are slidably being controlled on the shank that is placed on driving tool 130, also have a locking tongue 134 from overlap 132 outstanding in case overlap 132 and driving tool 130 come off from clutch cover 36.Driving tool 130 has the driven socket (not shown) of an Allen head.
The resetting-mechanism 136 of Figure 18, except its driving tool 138 has large diameter handle 140 and small-diameter end portions 142, and driving tool 138 be enclosed in cover 36 and cam 54 between outside, be identical substantially with resetting-mechanism 128.
The resetting-mechanism 144 of Figure 29 is identical substantially with the resetting-mechanism of Figure 23 and 24 107.Large-sized flange 148 of driving tool 146 usefulness is maintained between the lid 36 and film spring 38 of clutch 20.Drive head 96 also keeps the fixed engagement with cam tooth 100.
The resetting-mechanism 150 of Figure 30, except its driving tool 152 remain on clutch 20 together, identical substantially with resetting-mechanism 114.And shown in driving tool 152 identical with driving head 118 on being used in resetting-mechanism 114, it does not have L type handle but has changed into that a hexagon head driving structure that matches with hexagon head or screw wrench is arranged.Driving tool 152 usefulness pair of openings rings 156 remain on the clutch 20, respectively put one in the both sides of lid 36 as shown in figure 30.If not, the also available alternative trip ring 156 that pushes away the lock packing ring.
The resetting-mechanism 158 of Figure 31 has one to be pushed into one with biasing spring 162 and to throw off or the non-driving tool 160 that drives on the position.Trip ring 164 is bitten driving tool 160 and large-sized hexagon head 166 axially remains on driving tool 160 in the clutch 20.Can force driving tool 160 to be meshed against a power of living hexagon head 166 sensing springs 162 with cam tooth 100.Drive head 96 is thrown off from cam tooth 100, has prevented the sort ofly then, causes that when parts in the engine operation touch institute indirectly the fretting between wheel tooth corrodes.
The resetting-mechanism 168 of Figure 32 is basic identical with the resetting-mechanism 138 of Figure 28.Screwing tool 170 has a tip of putting in the groove 126.The tooth of screwing tool 170 is intermeshing with the tooth of cam 54.Screwing tool 170 has the minor diameter shank 174 that a large diameter shank 172 and relative major diameter shank 172 start from screwing tool 170 tops.The Bei Shi of a card pushing type (belville) spring 176 is placed on the minor diameter shank 174 in order to screwing tool 170 is offset to a disengaged position.Figure 32 represents is screwing tool 170 in the engaging position, promptly is pressed towards the cam 54 as being both the elastic force that has overcome Bei Shi (belville) spring 176.The resetting-mechanism 158 of image pattern 31 is the same, and screwing tool 170 is pushed to disengaged orientation during clutch 20 work, has avoided little vibration erosion then.
The resetting-mechanism 178 of Figure 33 is roughly the same with the resetting-mechanism 128 of Figure 27.The plastic sheath 132 of resetting-mechanism 178 is short slightly, can make bias spring 180 be placed on cover 132 and has between the head of screwing tool 160 of engaging tooth.When making clutch 20 work then to the engaging position, also mesh spring 180 biasing screwing tools 130 with the tooth maintenance of cam 54.In that this side up, the screwing tool 130 of biasing injects additional friction in system, it can damping by the camming movement that causes from torque pulse in the driver for vehicle.And spring-load relatively the time, has also reduced the little vibration degree of corrosion between wheel tooth with the no bias system of Figure 27.
The resetting-mechanism 182 of Figure 34 is roughly the same with the resetting-mechanism 150 of Figure 30.It is far away a little just to be separated by than on driven 152 for the groove of clasp 156 usefulness on the screwing tool 184 of resetting-mechanism 182.In addition, Belleville spring 186 has been placed between lid 36 and the outermost clasp 156, and it can be pushed into disengaged orientation with screwing tool 184, but screwing tool 184 still is illustrated in the engaging position among Figure 34.As resetting-mechanism 158 is discussed and was emphasized in 168 o'clock, the screwing tool 184 of throwing off from cam 54 can be avoided little vibration erosion of its tooth.
The resetting-mechanism 188 of Figure 35 is that the pivot direction is somewhat similar to resetting-mechanism 144 at screwing tool 190 with pin 90.Keep for driven 96 and cam tooth 100 engagements.Thread bush 192 is contained in and covers on 36.A threaded shank 194 of screwing tool 190.Merge threadably and be arranged among the cover 192.What be placed on 192 of driven 96 and thread bushs is bias spring 190.Reach as described above, spring biasing load benefits the torque pulse that the buffering tendency causes that cam 54 is adjusted.The indicator that the exposed outer end that is stretched on the screwing tool 190 that covers outside 36 can be taken as clutch abrasion is the pretty good thing of part, because screwing tool 190 extends and covers 36 amount and can change with wear extent.For example, resetting-mechanism 188 can be specialized like this, and promptly when this clutch is worn, when being provided with hexagon head and getting into this end of the screwing tool 190 of structure 112 and will be worn with the expression clutch one overlaps 92 the surface than the outside and flushes.
Figure 36 and 37 resetting-mechanism 198 usefulness one toothed drum shaped body 202 reinforced driving tool 200 on it.Tooth drum 202 is to be screwed into mode and cam tooth 204 engagements.Driving tool 200 is packed in the hole 205 of pressing plate 32 as pivot with its first end, the second end pivot is injected cover again and overlaps on 36 in 206 the hole.Driving tool 200 has a handgrip/indicator part 208 with 44 one-tenth 90 ° of stretching, extensions of axis, and driving tool 200 is then done rotating shaft with this axis.Tooth drum 202 drives rotating ring shape cams 210, and it is placed on that pressing plate 32 and one do not rotate but between the axially movable ring cam set 212.214 of a holder is fixed on the pressing plate 32 that does not rotate ring cam set 212 and slidably contact.During driven disc 26 wearing and tearing, shown in solid line among Figure 37, the position of " replacement " that handgrip/indicator part 208 is represented with imaginary line will be from " newly " position rotation to Figure 37.Obviously, the precise measure of these parts, and can be different with concrete application in the angle shown in Figure 37.
216 of the resetting-mechanisms of Figure 38 are represented with the part.A not cam-rotating ring and the motion of pressing plate (not shown) that moving cam ring 218 is relevant relatively.The rotational travel of driven disc 26 wearing and tearing meeting starting cam rings 218.Just remove to prize ring 218 when needing reseting clutch with screwdriver 220 or other sled thing instrument.The gap 222 of screwdriver 220 contact cam rings 218.The limited in rotation of cam ring 218 is in the pin 224 that does not assemble on the rotatable parts such as the clutch of pressing plate.
Figure 39 and 40 resetting-mechanism 226 comprise a restoring lever 228, it one that represents with solid line new, not abration position and of representing with imaginary line with cross or abration position between move in the lever slot 230 of lid 36 with the mechanism of doing the time.Lever 228 is to swing around lever pivot 232 on the stationary cam 234.Connecting rod 236 inverted cam 238 extend to the following square groove on the lever 228.
The present invention operates in the following manner.Shown in Fig. 2 and 3, a kind of new or claim that not state of wear, cam control bar 64 are in the home position of pressing plate 32 relatively.When clutch device 20 engaged, the main end of cam control bar 64 contacted with flywheel surface of contact 34.When follower plate 26 thickness were maximum, this pressing plate 32 effective thickness H were minimum value.The surface of contact at top 73 is to contact with the surface that contacts step 80.Keeping the relative rotation position of cam 46 and 54 by the load that film 38 applies under jointing state against regulating mechanism 40.Pressing plate 32 whole course of action cam control bars 64 do not contact with lid 36 when clutch is in as shown in Figure 3 disengaged condition.When the mobile film spring of usefulness as shown in Figure 3 38 is thrown off engaging and disengaging gear 20, anti-rotor spring band 39 biasing pressing plates 32 away from flywheel 24 towards lid 36.When the clutch amount is all thrown off, against moving cam 54 axial forces of film spring 38 then reduce to and by sheet spring 39 towards the lid 36 push plate 32 power equate.Cam control bar 64 is integral with pressing plate 32 and does axial motion, the rotation of therefore anti-stop ring shape cam 54.
What Fig. 4 represented is the clutch 20 that is in jointing state after friction member 28 some wearing and tearing, but still unjustified mechanism 40 makes the situation that any effective thickness H adjusts.Because the adjustment characteristic continuously of regulating mechanism 40,73 surfaces, top and the size of the clearance D that contact 80 on step work as that it is always very little sometimes, because of under most situation it should be limited at a clutch rejoin in caused wear extent.For purposes of illustration, the size of the clearance D among Fig. 4 is by overweening.
When the clutch pedal (not shown) is unclamped, one unclamp the bearing (not shown) then the finger of axial rotation film spring 38 make and leave 32 off-loads of flywheel 24 crush boards near the top of axis 22.During disengagement, the torsion vibration that clutch 20 causes by the firing pulse that utilizes motor, just can be constantly the rotational position of stationary ring 46 adjustment rotating ring cams 54 relatively.Firing pulse helps cam spring 60 to overcome this adjustment resistance that is applied by sheet spring 39 facing to film spring 38 biasing moving cams 54.This combination to wearing and tearing is adjusted continuously, or the adjustment of carrying out after each clutch device 20 disengagements is superior to known self-service regulator.Known automatic regulator is general only to be departed to such an extent that leave regulator and enough just adjust far the time at the film spring.The mechanism that needs to throw off fully may need the sensation by the driver, and clutch pedal is stepped on to omnidistance position to obtain desired adjustment, and this feasible adjustment can not be full-automatic.
As shown in Figure 5, one first appears at flywheel surface of contact 34 and refers between the bar 64 main ends every crack E.26 of pressing plate surface of contact 30 and driven discs are second every crack 8.If occur exceeding every crack F every crack E a certain amount of, then driven disc 26 will be offset during off-load.When driven disc 26 was soft driven disc, this side-play amount then certainly can be bigger.Fig. 5 has reflected this adjustment with the rotating ring shape cam 54 of engine ignition pulsing.Ring cam set 54 has a section thickness that increases progressively, because its relative section plane rotates.The axial position of the finger bar 64 in the pressing plate surface of contact 30 pressing plate extension parts 65 does not change when clutch keeps throwing off relatively.But when clutch pedal unclamps and pressing plate 32 when contacting driven disc 26 again, the little wearing and tearing synthetic quantity of this friction member 28 can cause and refer to that bar 64 moves relative to pressing plate contact surface 30.When the clutch amount was thrown off afterwards, cam 54 can be adjusted to the amount that refers to that bar 64 is allowed, so an amount being increased of thickness H equals the wearing and tearing of friction member 28.The change that aspect, this just finger bar 64 position increases progressively in a small amount, and this moving cam related with the engine ignition impulsive phase 54 rotation response are arranged, constitute the good continuous adjustment characteristic of the present invention.
The resetting-mechanism 86 of Figure 21 is used to determine driven disc 26 to the end in its working life, and for changing driven disc 26 clutch device 20 is pulled down from automobile.Clutch 20 is loaded onto a loading system, so film spring 30 can be by skew pressing plate and relevant load regulating mechanism 40.During regulating mechanism 40 off-loads, the screwing tool 88 of resetting-mechanism 86 can pass film spring mouth 104 and cover gap 106 and sliding sleeve in trunnion 90.The driver tooth 98 of driving head 96 is satisfied and cam tooth 100 engagements.With the moving screwing tool 88 that resets of the tool palette of universal screw wrench and so on, promptly rotatablely make rotating ring shape cam 54 be back to its new position or claim not grind the position.Enough moments of torsion need be applied and cam spring 60 could be crossed by force at screwing tool 8.When decontroling on the screwing tool 88 moment, the relative stationary cam 46 of relative rotation position of rotating ring cam 54 is insisted.This can be by unclamping the film spring contacting regulating mechanism 40 again, or finish by one or more finger-type bars 64.
The not influence of axial position of 54 pairs of finger bars 64 of rotating ring shape cam resets.Replied after the pivotal position of rotating ring cam 54, the top 73 that refers to bar 64 with contact 80 on step and have a gap.Refer to bar manhole appendix 105 with contact finger bar 64 by passing with pin or punching pin, can reset individually refers to bar 64.Rap pin or punching pin and refer to that with promotion bar 64 moves on the direction of power, and make top 73 and contact step 80 contacts.In the preferred embodiment disclosed herein, 4 finger bars 64 have been used.Each resets can to make 4 finger bars when clutch is pacified into loading system.But it is earlier to load onto automobile at it, as long as a pin just is enough to reset, so that it is with the inordinate rotation that limited rotating ring cam 54 afterwards.Preferably be exactly that the finger bar that only resets on the anchor clamps that reset after changing new driven disc, resets behind the clutch device admission car other three again.
Shown in Figure 23 and 24 is another available resetting-mechanism 107.It and resetting-mechanism 86 are roughly the same, and the screwing tool of just selecting for use 108 is fixedly installed on the clutch 20.Screwing tool 108 band spring-loaded, under non-working condition as shown in figure 23, its tooth 98 does not mesh with cam tooth 100.Because spring 109 keeps packing ring 110 limiting moving of screwing tool 108.As shown in figure 24, when being in to adjust when throwing off, clutch takes place.Screwing tool 108 makes it rotate to recover the position of rotating ring cam 54 when being depressed facing to pressing plate 32.The change of shape from Figure 23 to 24 of rotating ring cam 54 makes resetting of cam 54 be offset to a new position from an abration position.Some details of clutch has been done omission at Figure 23 and 24, for example refers to bar 64, to avoid can causing possible obscuring with the not directly related details of the optional example of this resetting-mechanism.
What Figure 25 and 26 represented all is alternative example of resetting-mechanism 114 and 112, and they have adopted removable screwing tool 116 and 125 separately.
The covering that is fixed of alternative resetting-mechanism 128,136,144 and 150 that Figure 27,28,29 and 30 illustrates respectively, wherein relevant screwing tool, but be not with spring-loaded.Figure 31,32,33 and 34 all useful spring biasing screwing tools, screwing tool then is fixed and is covered in the clutch 20.Figure 35 also illustrates the embodiment of another alternative resetting-mechanism 188, and its naked screwing tool 190 ends, China and foreign countries can be used as a foregoing wear indicator.
Figure 36 and 37 resetting-mechanism 198 usefulness be placed on the moving ring part 210 of 212 on pressing plate and non-turned-in annular cam, be different from other regulating mechanisms in this discussion, it has and is placed on the pressing plate rotating ring shape cam of stationary ring bulge loop relatively.The clutch of Figure 36 is put into the anchor clamps that reset, and when cancelling the film spring load, 208 of handgrip/indicator posts at an easy rate by pendulum to new position with this regulating mechanism that resets.
Represented a very simple resetting-mechanism among Figure 38.In case the off-load in the anchor clamps that reset of this clutch, rotating ring wheel 218 are pushed back its new position simply or unused bit is put, only need prize it to put in place with screwdriver and get final product.When prizing cam ring 218, apply a power that is enough to overcome spring 60.
Figure 39 and 40 also illustrates another selectable resetting-mechanism example.Resetting-mechanism 226 is set at the radially outside of stationary ring 234 and rotating ring cam 238.Clutch driven plate 26 wearing and tearing, pressing plate contact surface 30 is satisfied more and more lowlyer mobile, promptly as rotating ring shape cam 238.Shoulder bar 228 from the new position shown in its solid line, move to the wearing and tearing of representing with imaginary line or used the position.Adopt new driven disc and this clutch regulating mechanism that resets, just only need lever 228 is turned back on its new position when film spring 38 loads are released.
Be understood that above-mentioned clutch member also has many similar examples selected that are easy to find.It is replaceable on finger-type bar 64 to be maintained at hole 66 such as these preloading spring 72 each relevant finger-type bars 64.In addition, spring 72 can be placed on many sides of a not only side of each finger-type bar 64.Rotating ring cam 54 also can be removed to contact stationary ring shape cam 46 with film spring 38 by transposing with stationary ring cam 46.As for those resetting-mechanisms, the Any shape of this drive head (5 points, 6 points) then can be used in the screwing tool that look (hexagon head, Bei Shi socket) held in any disclosed driving.
For the reader can be had gained some understanding to the each side of novelty of the present invention.At this various embodiments that are disclosed have been discussed.Though the present invention is open and shown its most preferred embodiment, not leaving aim of the present invention and the scope that follow-up claim is narrated, also can make many variations for the one of ordinary skilled in the art, revises and substitutes.

Claims (21)

1. the regulating mechanism of an automobile usefulness friction clutch is characterized by, and it comprises:
One have a rotation axis and with the pressing plate of the contact surface of rotation axis approximate vertical;
Main loop cam with described coaxial, it has the oblique cam face of a series of master and rotatably fixes with respect to this pressing plate;
The inner loop shape bulge loop spare that can rotate relative to the main loop cam member, it has the oblique camming surface of a series of pairs with the oblique camming surface engagement of this master, it defines an effective thickness of compressive plate corresponding to Surface of action with the main loop cam, this inner loop shape cam member is positioned at a contact step on its outer annulus edge in addition, this inner loop shape cam member also has at a pre-position and a rotational travel limiting structure that combines at the block of primary importance, and this block is fixed with respect to pressing plate;
A cam spring that is located between the cam member, it is rotationally with the cam height of cam bias voltage to an increase;
A cam control finger-type bar places in the hole on this pressing plate slidably, and this finger-type bar has
A shank, this shank be contained in the hole on the pressing plate and by axial orientation so that pressing plate axial slip relatively,
A contact segment of radially extending from the shank work, it combines with this inner loop cam member;
One contacts and comprises the anti-rotation structure of a pressing plate part with the finger-type bar, and it prevents finger-type bar rotating relative to pressing plate; With
One is used for the control finger-type bar damping spring that itself and hole edge joint touched finger-type bar bias voltage, and it is arranged between this finger-type bar and the pressing plate and is placed on basically in the hole, and this damping spring has surface friction drag to hinder moving axially of this control finger-type bar.
2. by the friction clutch regulating mechanism of claim 1, it is characterized by, described control finger-type bar damping spring is a sheet spring.
3. by the friction clutch regulating mechanism of claim 1, it is characterized by, the hole portion that rotation prevention structure to small part is defined as this pressing plate is roughly rectangle, and this shank bottom makes with an approximate rectangular sectional shape so that put in the hole at least.
4. by the friction clutch regulating mechanism of claim 1, it is characterized by, rotation prevention structure at least a portion is to be positioned at these relative both sides of control finger-type bar contacting part and to be defined by being formed on projection on the pressing plate.
5. by the friction clutch regulating mechanism of claim 2, it is characterized by, this control finger-type bar damping spring is placed in the groove on the finger-type bar shank.
6. by the friction clutch regulating mechanism of claim 1, it is characterized by, the top tip part that this contacting part has an attenuate contacts with this ring cam set, makes the height that reduces that is combined with of ring cam set and contact segment then.
7. press the automobile friction clutch regulating mechanism of claim 1, it is characterized by, this contact step has first end and second end that limits this rotational travel limit, and it contacts with the block element that this cam control bar contacting part branch that contacts on this primary importance limits.
8. the friction clutch that automobile is used is characterized by, and it comprises:
A lid;
One links together around axis rotation with lid, and has and this axis pressing plate of vertical frictional contact surface substantially;
One places first biasing member between lid and the pressing plate, and it selectively moves between engagement positio and disengaged position, pressing plate is biased into the pressing plate position of a joint on engagement positio;
Second biasing member that rotationally pressing plate is connected with lid, it pushes pressing plate to lid;
Main loop cam member with described axis coaxle, it is fixed with respect to pressing plate rotationally, and has the oblique cam face of a series of masters;
Inner loop shape cam member with described axis coaxle, it can rotate and have the oblique cam face of pair that a series of and main oblique cam face is meshed relative to the main ring cam member, and the cam member of this engagement is axially disposed between the pressing plate and first biasing member, wherein, the pressing plate effective thickness of contact part from friction surface to inner loop shape cam that the cam of this engagement limits is with relatively rotating and increase on a first direction, and this inner loop shape cam also has a contact step at its excircle place, and this inner loop shape cam member has a rotational travel limiting structure to contact with a block element a primary importance on a precalculated position, and this block element is fixed on pressing plate;
Be located at a cam spring between the cam member, on this first direction, cause relatively rotating between the cam member;
Slidably be placed on a cam control finger-type bar in the plate hole, it has
Be placed on a shank of the finger-type bar in this plate hole, it by axial orientation with can axially reciprocatingly slide with respect to this pressing plate and
Contact with this inner loop shape cam member, make a contact segment of radially extending from shank;
An anti-rotation structure that contacts with this finger-type bar, it comprises the part of this pressing plate and prevents that the finger-type bar from rotating with respect to pressing plate; With
Roughly be placed on a control finger-type bar damping spring in the hole, in order to a side contacts in biasing finger-type bar and hole, wherein this damping spring produces a surface friction drag and hinders moving axially of control finger-type bar.
9. by the automobile friction clutch of claim 8, it is characterized by, this control finger-type bar damping spring is a sheet spring.
10. by the automobile friction clutch of claim 8, it is characterized by, the hole that this rotation prevention structure to small part is defined as on this pressing plate makes rectangle, and the bottom of this shank make similar for the sectional shape of rectangle so that put into this hole.
11. by the automobile friction clutch of claim 8, it is characterized by, this anti-rotation structure at least a portion is will to be formed on the opposite side-edge that projection on this pressing plate places this control finger-type bar contacting part and to form.
12. the automobile friction clutch by claim 9 is characterized by, this control finger-type bar damping spring is placed in the groove of this finger-type bar shank.
13. the automobile friction clutch by claim 8 is characterized by, this contact segment has the top tip part of an attenuate to contact with ring cam set, makes the height that reduces that is combined with of ring cam set and contact segment then.
14. the automobile friction clutch by claim 8 is characterized by, this conflict step has first and second ends that limit this rotational travel limit, and it contacts with the block element that contacted this cam control finger-type bar contacting part on this primary importance is limited.
15. an automobile-use friction clutch is characterized by, it comprises:
A lid;
One links together around axis rotation with lid, and has and this axis pressing plate of vertical frictional contact surface substantially;
One places first biasing member between lid and the pressing plate, and it selectively moves between engagement positio and disengaged position, pressing plate is biased into the pressing plate position of a joint on engagement positio;
Second biasing member that rotationally pressing plate is connected with lid, it pushes pressing plate to lid;
Main loop cam member with described axis coaxle, it is fixed with respect to pressing plate rotationally, and has the oblique cam face of a series of masters;
Inner loop shape cam member with described axis coaxle, it can rotate and have the oblique cam face of pair that a series of and main oblique cam face is meshed relative to the main ring cam member, and the cam member of this engagement is axially disposed between the pressing plate and first biasing member, wherein, the pressing plate effective thickness of contact part from friction surface to inner loop shape cam that the cam of this engagement limits is with relatively rotating and increase on a first direction, and this inner loop shape cam member has a rotational travel limiting structure to contact with a block element a primary importance on a precalculated position, and this block element is fixed on pressing plate;
Be located at a cam spring between the cam member, on this first direction, cause relatively rotating between the cam member;
Slidably be placed on a cam control finger-type bar in the plate hole, it has
Be placed on a shank of the finger-type bar in this plate hole, it by axial orientation with can axially reciprocatingly slide with respect to this pressing plate and
Contact with this inner loop shape cam member, make a contact segment of radially extending from shank;
An anti-rotation structure that contacts with this finger-type bar, it comprises the part of this pressing plate and prevents that the finger-type bar from rotating with respect to pressing plate; With
Roughly be placed on a control finger-type bar damping spring in the hole, side contacts in order to biasing finger-type bar and hole, wherein this damping spring produces a surface friction drag and hinders moving axially of control finger-type bar, and this resistance is enough to resist the axialy offset power that is caused by this second biasing member and/or this cam spring, but is not enough to opposing by this first biasing member applied force.
16. the automobile-use friction clutch by claim 15 is characterized by, this control finger-type bar damping spring is a sheet spring.
17. by the automobile-use friction clutch of claim 15, it is characterized by, the hole that this rotation prevention structure to small part is defined as on this pressing plate makes rectangle, and the bottom of this shank make similar for the sectional shape of rectangle so that put into this hole.
18. by the automobile-use friction clutch of claim 15, it is characterized by, this anti-rotation structure at least a portion is will to be formed on the opposite side-edge that projection on this pressing plate places this control finger-type bar contacting part and to form.
19. the automobile-use friction clutch by claim 16 is characterized by, this control finger-type bar damping spring is placed in the groove of this finger-type bar shank.
20. the automobile-use friction clutch by claim 15 is characterized by, this contact segment has the top tip part of an attenuate to contact with ring cam set, makes the height that reduces that is combined with of ring cam set and contact segment then.
21. automobile-use friction clutch by claim 15, it is characterized by wherein this first biasing member, second biasing member and cam spring have a spring performance through selecting, promptly when this clutch is in disengaged position, the firing pulse moment of torsion of the engine that will install from this clutch can cause between this inner loop shape cam and the pressing plate and relatively rotates.
CNB991076974A 1999-05-21 1999-05-21 Self-adjusting friction clutch having over-adjustment protection and resettting mechanism Expired - Lifetime CN1165692C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB991076974A CN1165692C (en) 1999-05-21 1999-05-21 Self-adjusting friction clutch having over-adjustment protection and resettting mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB991076974A CN1165692C (en) 1999-05-21 1999-05-21 Self-adjusting friction clutch having over-adjustment protection and resettting mechanism

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CN1165692C true CN1165692C (en) 2004-09-08

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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0815568A2 (en) * 2007-08-23 2015-02-18 Luk Lamellen & Kupplungsbau FRESH CLUTCH WITH WEAR RESET
DE112008003201A5 (en) * 2007-09-24 2010-09-02 Luk Lamellen Und Kupplungsbau Beteiligungs Kg friction clutch
FR2922283B1 (en) * 2007-10-10 2011-10-21 Valeo Embrayages CLUTCH MECHANISM, ESPECIALLY FOR A MOTOR VEHICLE
DE102009005738B4 (en) * 2008-02-13 2015-10-15 Schaeffler Technologies AG & Co. KG friction clutch
US9133892B2 (en) * 2008-12-01 2015-09-15 Eaton Corporation Isolation of clutch departure control sleeve
CN102128216B (en) * 2010-01-14 2012-03-07 黄石神州行离合器制造有限公司 Self-regulating pushing-type clutch
JP5963760B2 (en) * 2010-11-19 2016-08-03 シェフラー テクノロジーズ アー・ゲー ウント コー. カー・ゲーSchaeffler Technologies AG & Co. KG Adjustment device
DE102014213498A1 (en) * 2013-07-29 2015-01-29 Schaeffler Technologies Gmbh & Co. Kg Ramping ring for a ramp system of an adjusting device and method for mounting a friction clutch
WO2018112304A1 (en) * 2016-12-15 2018-06-21 Eaton Corporation Clutch assembly having high repeatability and servicability
CN107985634A (en) * 2017-11-29 2018-05-04 中山市小榄企业服务有限公司 A kind of spacecraft propulsion device component

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