CN102359510A - Shifting fork device of dry plate friction clutch - Google Patents
Shifting fork device of dry plate friction clutch Download PDFInfo
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- CN102359510A CN102359510A CN2011102858795A CN201110285879A CN102359510A CN 102359510 A CN102359510 A CN 102359510A CN 2011102858795 A CN2011102858795 A CN 2011102858795A CN 201110285879 A CN201110285879 A CN 201110285879A CN 102359510 A CN102359510 A CN 102359510A
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- release bearing
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- declutch lever
- aligning ball
- shifting fork
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Abstract
The invention relates to the field of motor vehicle speed change and particularly relates to a shifting fork device of a dry plate friction clutch. The device comprises a shifting fork lever and a release bearing, wherein the frontage of the acting point of a driven arm of the shifting fork lever is provided with symmetrical cambered bosses, the cambered bosses are tightly adhered to the back of the release bearing so as to push the release bearing to move forward along the axial direction, and a hollow round tube is arranged on the back of the acting pointing of the driven arm; the back of the release bearing is provided with a self-aligning ball pivot with a through hole, the self-aligning ball pivot is arranged in the hollow round tube, and the spherical surface of the self-aligning ball pivot contacts with the inner wall of the hollow round tube; the hole of the hollow tube and the through hole of the self-aligning ball pivot are coaxial with the input shaft of a transmission, and a certain amount of clearances are reserved between the inner wall of the through hole and the outer wall of the input shaft; when the shifting fork lever pushes the release bearing to move, the self-aligning ball pivot can adjust in the hollow round tube according to a reverse angle, a drive ring and a clutch disengaging pawl can uniformly contact and load, thus the clamping stagnation defect of the release bearing can be eliminated and the failure rate of the dry plate friction clutch can be reduced. Meanwhile, the device has a simple structure and a separation conduit can be omitted so that the manufacturing cost can be reduced.
Description
Technical field
The present invention relates to Motor Vehicle speed change field, relate in particular to the shifting fork device of the dry plate friction clutch of manual transmission configuration.
Background technique
Existing power surpasses the hand shift Motor Vehicle of 30KW; All dispose the dry plate friction clutch mostly and make coupling or uncoupling means; The branch of such dry plate friction clutch or the state that closes must the muscle power (riding) through the driver be realized, so the Essential Performance Requirements of such dry plate friction clutch is: 1. complete transmission is arranged and cut off the ability of this starting motor-driven vehicle mechanomotive force; 2. the long life-span is arranged; 3. steering force is little, and is stable.
In fact, the branch of such dry plate friction clutch or to close be to realize through the shifting fork device in the clutch chamber that is installed in vehicle transmission case leading portion.
Shown in Fig. 1-2, the component of existing automobile clutch shifting fork device comprise: 1. shift fork, 2. release bearing, 3. release bearing conduit or the like.Wherein, Shift fork is a kind of leverage, is in transmission connection between the master arm end of shift fork and the clutch pedal of operator cabin, and Placement generally has two kinds: a kind of is the band sheath drag-line of flexible axle form; Another kind is hydraulic transmission; Be that clutch pedal drives a notes plug oil pump,, send pressure oil to be installed in shift fork master arm end oil cylinder and realize power transmission through oil pipe.Declutch lever passes release bearing conduit and release bearing contact movement.
And dry plate friction clutch shifting fork device exists the fault type of big incidence rate to be: the release bearing clamping stagnation.Because release bearing is the parts of direct and the contact friction of dry plate friction clutch stressed member disengaging pawl; The release bearing clamping stagnation is meant when release bearing moves axially on isolation catheter (being equivalent to track); Hindered; So when the release bearing clamping stagnation occurring, the consequence of bringing is: 1. Separating force increases, and that gives the driver feels it is that clutch pedal is heavy, puckery; 2. separate not exclusively, cause gearshift difficulty or gearshift tooth bump; 3. engage not exclusively, cause transmission of power incomplete, increase oil consumption, clutch abrasion is accelerated; 4. release bearing is in remaining pressure for a long time with the clutch separation pawl and contacts, and causes release bearing and life of clutch to shorten.
The reason that causes the release bearing clamping stagnation is; Because the gearbox clutch chamber is the space of an opening, extraneous mud, water, dirt get into easily, the carbonization dust of internal friction clutch-plate wearing and tearing; Can be deposited in the isolation catheter surface gradually; When release bearing on isolation catheter during to-and-fro motion, dirt can fill up the gap between hole and the axle gradually and cause blocking, this is actual to be a design deficiency.
Therefore be necessary to invent a kind of new clutch shifter device, thoroughly overcome the design deficiency fault of clutch release bearing clamping stagnation.
Summary of the invention
The present invention is in order to solve the problems of the technologies described above; A kind of dry plate friction clutch shifting fork device has been proposed; The structure of this device is simpler and more direct more reliable than traditional shifting fork device structure; Eliminated the technological deficiency of release bearing clamping stagnation on the structure at all, reduced the rate of fault of dry plate friction clutch, but also manufacture cost is descended.
Technological scheme of the present invention is following:
A kind of dry plate friction clutch shifting fork device; Comprise release bearing and the declutch lever that is used for moving release bearing; The front of release bearing is a throw-out collar; The throw-out collar surface is the arc anchor ring, and the arc anchor ring acts directly on the front end on the disengaging pawl of dry plate friction clutch, realizes promoting disengaging pawl and accomplishes the function that clutch divides or closes; It is characterized in that: the slave arm Point of Strength place of declutch lever is provided with the device that is used to install release bearing and can makes the release bearing self-aligning, and throw-out collar remains parallel with the clutch separation pawl and coaxality well contacts when making the release bearing acting; The slave arm Point of Strength of declutch lever overlaps with the transmission input shaft center but is shaped on the through hole greater than the input shaft cylindrical, and the shifting fork device acting can not interfered the input shaft that passes in the through hole.
The positive both sides up and down of the slave arm of said declutch lever are provided with the cambered surface boss that symmetrical being used for contacts with release bearing; The cambered surface boss is close to the release bearing back side and promotes the release bearing axial advancement; The point of contact of cambered surface boss and release bearing is the slave arm Point of Strength of declutch lever, self-aligning action when the cambered surface boss can not interfere release bearing to move axially; The back side of the slave arm of declutch lever is provided with hollow circular-tube; The pore of hollow circular-tube is horizontally disposed strip through-hole; The effect of strip through-hole be the compensation declutch lever separate when doing swing bearing centre depart from clutch core from adjusted position, strip through-hole and transmission input shaft concentric.
The back side of said release bearing is provided with the aligning ball-pivot of band through hole, and the aligning ball-pivot is positioned at the hollow circular-tube of declutch lever, and the sphere of aligning ball-pivot contacts with the inner tube wall of hollow circular-tube, is for relatively movably concerning between aligning ball-pivot and the hollow circular-tube with point of contact; The through hole of aligning ball-pivot, release bearing and transmission input shaft concentric; Simultaneously; The aperture of aligning ball-pivot through hole, the internal diameter of release bearing all greater than the external diameter of transmission input shaft, promptly have certain interval between the inwall of the through-hole wall of aligning ball-pivot, release bearing and input shaft outer wall.
The inboard of the cambered surface boss of said declutch lever is provided with the bar-shaped trough of two symmetries, is provided with the anti-rotation fixture block that distributes with the corresponding both sides up and down of bar-shaped trough between the back side of release bearing and the aligning ball-pivot, and the anti-rotation fixture block is installed in the bar-shaped trough.
Said release bearing body is provided with the elastic collar groove of two symmetries; The elastic collar groove is equipped with the elastic collar that is semiclosed shape; The arranged outside of declutch lever has the card ear with holes of symmetry simultaneously; Two terminations of elastic collar are installed and are connected on the hole of card ear, and with the elastic collar location, elastic collar is close to release bearing on the positive cambered surface boss of declutch lever.
Said declutch lever hollow circular-tube two ends are provided with dust seal, and two dust seal lips coincide respectively aligning ball-pivot neck and transmission input shaft keep clean aligning ball-pivot working space.
The master arm end of said declutch lever is provided with the cambered surface interface that supplies the clutch manipulating pulling cable to connect, and perhaps is provided with the hinged interface that hydraulic jack promotes, and forms the master arm Point of Strength.
Also be provided with Returnning spring on the master arm of said declutch lever.
This device is set with one or two fulcrum block on gearbox clutch locular wall, declutch lever is provided with and the corresponding fulcrum of fulcrum block, and fulcrum block is used to change declutch lever strength or direction with point articulated; Said fulcrum block and declutch lever prop up point articulated axial position, on the middle separated time of declutch lever maximum functional pivot angle.
The longitudinal midline of said aligning ball-pivot be in the declutch lever of zero degree state and the longitudinal midline of fulcrum is consistent.
Said declutch lever can be a straight line type lever in the same way, perhaps can be the reverse lever of straight line type, perhaps also can be L type lever in the same way, perhaps also can be the reverse lever of L type.
During this device busy; Promote the motion of shifting fork bar master arm Point of Strength through clutch manipulating pulling cable pulling or hydraulic jack, declutch lever is that the pivot angle motion is done at the center with the fulcrum, and declutch lever slave arm Point of Strength also carries declutch shaft and makes axle and move; Because the spheroid of aligning ball-pivot and the endoporus of hollow circular-tube are for concern movingly; Under the effect of clutch separation pawl, release bearing can be that fulcrum is made reverse adaptation pivot angle with the aligning ball-pivot, prevents that deflection from appearring in release bearing throw-out collar and clutch separation pawl.
Beneficial effect of the present invention is following:
The forms of motion of release bearing of tradition shifting fork device be with the isolation catheter of clutch housing disjunctor on slide; Because the clutch housing chamber is open; The unlubricated slip resistance value of unprotect is big, (apply grease causes greasy filth to block more easily), has increased the weight of driver's operation burden.Therefore; It is support that the forms of motion of the release bearing of this device changes into the declutch lever fulcrum block, carries on the declutch lever slave arm, to do unsettled small size pivot angle motion, has eliminated the sliding friction under the rugged environment; Resistance Value declines to a great extent, and the driver can easily control clutch; Simultaneously; In the face of the open space in clutch housing chamber, only the space sealing problem between needs solution hollow circular-tube and the aligning ball-pivot just can keep the turbidity test of aligning ball-pivot working space, and the little performance of release bearing working procedure Resistance Value is kept for a long time; So design ingeniously, cost performance is good; Cancelled the isolation catheter of casting with clutch housing chamber disjunctor manufacture cost is descended, reason is: an elongated blank pipe life is in very large depths, housing chamber, and casting manufacturability is poor, and technology capability is also poor, thereby manufacture cost is high; The most important thing is fundamentally to eliminate the technological deficiency of release bearing clamping stagnation, reduced the rate of fault of dry plate friction clutch;
Be stuck in release bearing on the card ear of declutch lever slave arm through elastic collar; Not only can effectively locate release bearing together with aligning ball-pivot, anti-rotation fixture block; Also can satisfy declutch shaft and make aligning positioning motion, when declutch lever moved, release bearing was the center of circle with the aligning ball-pivot; Make self adaptive angular adjustment, to revise the release bearing parallel deviation that the declutch lever pivot angle causes; The effect of making the hole of declutch lever hollow circular-tube the cylindrical void that level puts is, the declutch lever pivot angle can make release bearing center and clutch core micro-deviation occur, and release bearing can not interfered along the cylindrical void displacement during positioning under the disengaging pawl effect automatically;
Adopt the design of cambered surface boss can effectively regulate the parallel axially movable deviation that release bearing declutch lever in the progressive motion process causes.
Description of drawings
Fig. 1 is the structural representation of conventional clutch shifting fork device in the background technique
Fig. 2 is the structural representation of conventional clutch shifting fork device acting state in the background technique
Fig. 3 is the straight line type of the present invention Facad structure schematic representation of shifting fork bar in the same way
Fig. 4 is the straight line type of the present invention side structure schematic representation of shifting fork bar in the same way
Fig. 5 is the structural representation of release bearing of the present invention
Fig. 6 is the structural representation of elastic collar of the present invention
Fig. 7 adopts the straight line type mounting structure schematic representation of shifting fork bar in the same way for the present invention
Fig. 8 for the present invention adopt straight line type in the same way shifting fork bar move not the structural representation of acting
Fig. 9 for the present invention adopt straight line type in the same way shifting fork bar move the structural representation of acting
Figure 10 is the structural representation of the reverse shifting fork bar of straight line type of the present invention
Figure 11 is the side structure schematic representation of the reverse shifting fork bar of straight line type of the present invention
Figure 12 moves the not structural representation of acting for the present invention adopts the reverse shifting fork bar of straight line type
Figure 13 moves the structural representation of acting for the present invention adopts the reverse shifting fork bar of straight line type
Figure 14 is the L type of the present invention Facad structure schematic representation of shifting fork bar in the same way
Figure 15 is the L type of the present invention side structure schematic representation of shifting fork bar in the same way
Figure 16 for the present invention adopt the L type in the same way shifting fork bar move not the structural representation of acting
Figure 17 for the present invention adopt the L type in the same way shifting fork bar move the structural representation of acting
Figure 18 is the Facad structure schematic representation of the reverse shifting fork bar of L type of the present invention
Figure 19 is the side structure schematic representation of the reverse shifting fork bar of L type of the present invention
Wherein, reference character is: 1 release bearing, 2 declutch levers, 3 throw-out collars, 4 clutch separation pawls, 5 cambered surface boss; 6 hollow circular-tubes, 7 aligning ball-pivots, 8 bar-shaped troughs, 9 anti-rotation fixture blocks, 10 elastic collar grooves, 11 elastic collars; 12 card ears, 13 dust seals, 14 slave arm Point of Strength, 15 master arm Point of Strength, 16 Returnning springs; 17 fulcrums, 18 fulcrum blocks, 19 transmission input shafts, 20 isolation catheters, 21 clutch pedal drag-lines.
Embodiment
A kind of dry plate friction clutch shifting fork device; Comprise release bearing 1 and the declutch lever 2 that is used for moving release bearing 1; The front of release bearing 1 is a throw-out collar 3; Throw-out collar 3 surfaces are arc anchor rings, and the arc anchor ring acts directly on the front end on the disengaging pawl of dry plate friction clutch, realize and the branch of clutch separation pawl 4 or close state.In the transmission case leading portion clutch chamber, do not cast and do not process isolation catheter 20.
Shown in Fig. 3-9; Shell wall one side with transmission input shaft 19 same horizontal lines and vertical speed changer is provided with a fulcrum block platform; Be used to install fulcrum block 18 of the present invention, declutch lever 2 is provided with and fulcrum block 18 corresponding fulcrums 17, and fulcrum block 18 is hinged with fulcrum 17.Declutch lever 2 master arm Point of Strength 15 places are provided with the interface with the band arc of clutch pedal drag-line 21 (being the clutch control drag-line) coupling, and the self adaptive adjustment in the time of can satisfying declutch lever 2 pivot angles resets through Returnning spring 16 when not moving.
Declutch lever 2 adopts straight line type declutch lever 2 in the same way, declutch lever 2 slave arm Point of Strength 14 fronts, and upper-lower position is provided with the cambered surface boss 5 of two symmetries, and cambered surface boss 5 is close to release bearing 1 back side and promotes its axial advancement; Cambered surface boss 5 inboards are provided with the bar-shaped trough 8 of two symmetries, the card ear 12 of two symmetries of cambered surface boss 5 arranged outside.The slave arm back side of declutch lever 2 is provided with hollow circular-tube 6, and the hole of hollow circular-tube 6 is horizontally disposed stripe shape through holes.Be provided with dust seal 13 in hollow circular-tube 6 front end and back end, the working space of spherical ball pivot 7 is kept clean.
The central position, the back side of release bearing 1 is provided with the band through hole and supplies transmission input shaft 19 to pass and hands-off aligning ball-pivot 7; The sphere of aligning ball-pivot 7 contacts with the inner hole wall of hollow interior pipe; Make pivot angle promotion release bearing 1 when declutch lever 2 and make the clutch branch---when closing power; The aligning ball-pivot 7 of release bearing 1 is made reverse angular adjustment in hollow circular-tube 6, make the throw-out collar 3 of release bearing 1 keep stressed with clutch separation pawl 4 even contact.
Two outsides are provided with the elastic collar groove 10 of two symmetries about release bearing 1 body; Elastic collar groove 10 is equipped with the elastic collar 11 that is semiclosed shape; The arranged outside of declutch lever 2 has the card ear 12 with holes of symmetry simultaneously; Two terminations of elastic collar 11 are installed and are connected on the hole of card ear 12, thereby elastic collar 11 is located, and elastic collar 1 is used for being close to release bearing 1 and leans against declutch lever 2 fronts.
Be assembled in straight line type to release bearing 1 in the same way on the declutch lever 2, aligning ball-pivot 7 is packed in the hollow circular-tube 6, and anti-rotation fixture block 9 sticks in the bar-shaped trough 8, with elastic collar 11 both elasticity location.Fulcrum block 18 and declutch lever 2 hinged assemblings, be installed on the fulcrum block platform with screw.Be installed in Returnning spring 16 on the master arm and shell body wall of declutch lever 2.Hinged automobile clutch pedal drag-line 21 and declutch lever 2.
Working state is described:
1. working state not, under Returnning spring 16 effects, straight line type declutch lever 2 is in the same way carried release bearing 1 at left lateral position, and the throw-out collar 3 of release bearing 1 does not contact with clutch separation pawl 4;
2. working state, clutch pedal drag-line 21 draws declutch lever 2 to the right, and declutch lever 2 carries release bearing 1 and moves to right, and the throw-out collar 3 of release bearing 1 contacts with clutch separation pawl 4, and progressively compresses disengaging pawl, makes clutch separation.In this process, release bearing 1 is the center of circle with aligning ball-pivot 7, makes self adaptive angular adjustment, to revise release bearing 1 parallel deviation that declutch lever 2 pivot angles cause; Release bearing 1 also can be done the adjustment of self adaptive micro-position along hollow circular-tube 6 strip-type holes, to revise release bearing 1 center that declutch lever 2 pivot angles cause and the deviation of clutch core.
A kind of dry plate friction clutch shifting fork device; Comprise declutch lever 2 and release bearing 1, declutch lever 2 is used for moving release bearing 1, and the front of release bearing 1 is a throw-out collar 3; Throw-out collar 3 relative separation bearings 1 body can be made coaxial rotation; Throw-out collar 3 surfaces are arc anchor rings, and the arc anchor ring acts directly on the front end on the disengaging pawl of dry plate friction clutch, realize and the branch of clutch separation pawl 4 or close state.In the transmission case leading portion clutch chamber, do not cast and do not process isolation catheter 20.
Shown in Figure 10-13; Shell wall one side with transmission input shaft 19 same horizontal lines and vertical speed changer is provided with a fulcrum block platform; Be used to install fulcrum block 18 of the present invention, declutch lever 2 is provided with and fulcrum block 18 corresponding fulcrums 17, and fulcrum block 18 is hinged with fulcrum 17.Master arm Point of Strength 15 places of declutch lever 2 are provided with the interface that matees with the clutch separation oil cylinder, drive declutch lever 2 motions through the clutch separation oil cylinder, reset through Returnning spring 16 when not moving.
The central position, the back side of release bearing 1 is provided with the band through hole and supplies transmission input shaft 19 to pass and hands-off aligning ball-pivot 7; The sphere of aligning ball-pivot 7 contacts with the inner hole wall of hollow interior pipe; Make pivot angle promotion release bearing 1 when declutch lever 2 and make the clutch branch---when closing power; The aligning ball-pivot 7 of release bearing 1 is made reverse angular adjustment in hollow circular-tube 6, make the throw-out collar 3 of release bearing 1 keep stressed with clutch separation pawl 4 even contact.
Two outsides are provided with the elastic collar groove 10 of two symmetries about release bearing 1 body; Elastic collar groove 10 is equipped with the elastic collar 11 that is semiclosed shape; The arranged outside of declutch lever 2 has the card ear 12 with holes of symmetry simultaneously; Two terminations of elastic collar 11 are installed and are connected on the hole of card ear 12, thereby elastic collar 11 is located, and elastic collar 11 is used for being close to release bearing 1 and leans against declutch lever 2 fronts.
Be assembled in release bearing 1 on the reverse declutch lever of straight line type, aligning ball-pivot 7 is packed in the hollow circular-tube 6, and anti-rotation fixture block 9 sticks in the bar-shaped trough 8, with elastic collar 11 both elasticity location.Fulcrum block 18 and declutch lever 2 hinged assemblings, be installed on the fulcrum block platform with screw.Be installed in Returnning spring 16 on the master arm and shell body wall of declutch lever 2.Hinged automobile clutch separation oil cylinder and declutch lever 2.
Working state is described:
1. working state not, under Returnning spring 16 effects, the reverse declutch lever 2 of straight line type carries release bearing 1 at left lateral position, and the throw-out collar 3 of release bearing 1 does not contact with clutch separation pawl 4;
2. working state, the clutch separation oil cylinder promotes declutch lever 2 left, and declutch lever 2 carries release bearing 1 and moves to right, and the throw-out collar 3 of release bearing 1 contacts with clutch separation pawl 4, and progressively compresses disengaging pawl, makes clutch separation.In this process, release bearing 1 is the center of circle with aligning ball-pivot 7, makes self adaptive angular adjustment, to revise release bearing 1 parallel deviation that declutch lever 2 pivot angles cause; Release bearing 1 also can be done the adjustment of self adaptive micro-position along hollow circular-tube 6 strip-type holes, to revise release bearing 1 center that declutch lever 2 pivot angles cause and the deviation of clutch core.
A kind of dry plate friction clutch shifting fork device; Comprise declutch lever 2 and release bearing 1, declutch lever 2 is used for moving release bearing 1, and the front of release bearing 1 is a throw-out collar 3; Throw-out collar 3 relative separation bearings 1 body can be made coaxial rotation; Throw-out collar 3 surfaces are arc anchor rings, and the arc anchor ring acts directly on the front end on the disengaging pawl of dry plate friction clutch, realize and the branch of clutch separation pawl 4 or close state.In the transmission case leading portion clutch chamber, do not cast and do not process isolation catheter 20.
Shown in Figure 14-17; On the shell wall that is higher or lower than transmission input shaft 19 horizontal lines and vertical speed changer, make two fulcrum block platforms; Be used to install fulcrum block 18 of the present invention, declutch lever 2 is provided with and fulcrum block 18 corresponding fulcrums 17, and fulcrum block 18 is hinged with fulcrum 17.If L type is declutch lever 2 in the same way, declutch lever 2 slave arm Point of Strength 14 fronts, upper-lower position is provided with the cambered surface boss 5 of two symmetries, and cambered surface boss 5 inboards are provided with the bar-shaped trough 8 of two symmetries, the card ear 12 of two symmetries of cambered surface boss 5 arranged outside.The back side of the slave arm Point of Strength 14 of declutch lever 2 is provided with the strip-type hole hollow circular-tube 6 of a two ends band dust seal 13, and the aligning ball-pivot 7 of working is betwixt kept clean.
Master arm Point of Strength 15 places of declutch lever 2 are provided with the interface with clutch pedal drag-line 21 (being the clutch control drag-line) coupling.If a back side centre bit is equipped with the release bearing 1 of spherical ball bolt; Declutch shaft axle back side upper-lower position is provided with the anti-rotation fixture block 9 of two symmetries; Two outsides are provided with the elastic collar groove 10 of two symmetries about release bearing 1 body, and release bearing 1 front is that the end face of body rotation relatively is the throw-out collar 3 of arc.Be provided with an elastic collar 11, establish a Returnning spring 16.
Be assembled in release bearing 1 on the L type declutch lever 2, aligning ball-pivot 7 is packed in declutch lever 2 hollow circular-tubes 6, and anti-rotation fixture block 9 sticks in the bar-shaped trough 8, with elastic collar 11 both elasticity location.Declutch lever 2 and two fulcrum block 18 assemblings, be installed on the fulcrum block platform with screw.Be installed in Returnning spring 16 on declutch lever 2 master arms and the shell body wall.Hinged automobile clutch pedal drag-line 21 and declutch lever 2.
Working state is described:
1. working state not, under Returnning spring 16 effects, L type declutch lever 2 carries release bearing 1 at left lateral position, and the throw-out collar 3 of release bearing 1 does not contact with clutch separation pawl 4;
2. working state, clutch pedal drag-line 21 draws declutch lever 2 to the right, and declutch lever 2 carries release bearing 1 and moves to right, and release bearing 1 throw-out collar 3 contacts with clutch separation pawl 4, and progressively compresses disengaging pawl, makes clutch separation.In this process, release bearing 1 is the center of circle with aligning ball-pivot 7, makes self adaptive angular adjustment, to revise release bearing 1 parallel deviation that declutch lever 2 pivot angles cause; Release bearing 1 also can be done the adjustment of self adaptive micro-position along hollow circular-tube 6 strip-type holes, to revise release bearing 1 center that declutch lever 2 pivot angles cause and the deviation of clutch core.
In like manner, shown in Figure 18-19, also can adopt the reverse declutch lever 2 of L type to realize this device.
Claims (8)
1. dry plate friction clutch shifting fork device; Comprise release bearing and the declutch lever that is used for moving release bearing; The front of release bearing is a throw-out collar, and the throw-out collar surface is the arc anchor ring, and the arc anchor ring acts directly on the front end on the disengaging pawl of dry plate friction clutch; Realize promoting disengaging pawl and accomplish the function that clutch divides or closes; It is characterized in that: the positive both sides up and down of the slave arm of said declutch lever are provided with the cambered surface boss that symmetrical being used for contacts with release bearing, and the cambered surface boss is close to the release bearing back side and promotes the release bearing axial advancement, and the point of contact of cambered surface boss and release bearing is the slave arm Point of Strength of declutch lever; The back side of the slave arm of declutch lever is provided with hollow circular-tube, and the pore of hollow circular-tube is horizontally disposed strip through-hole, strip through-hole and transmission input shaft concentric; The back side of said release bearing is provided with the aligning ball-pivot of band through hole, and the aligning ball-pivot is positioned at the hollow circular-tube of declutch lever, and the sphere of aligning ball-pivot contacts with the inner tube wall of hollow circular-tube, is for relatively movably concerning between aligning ball-pivot and the hollow circular-tube with point of contact; The through hole of aligning ball-pivot, release bearing and transmission input shaft concentric; Simultaneously; The aperture of aligning ball-pivot through hole, the internal diameter of release bearing all greater than the external diameter of transmission input shaft, promptly have certain interval between the inwall of the through-hole wall of aligning ball-pivot, release bearing and input shaft outer wall.
2. a kind of dry plate friction clutch shifting fork device according to claim 1; It is characterized in that: the inboard of the cambered surface boss of said declutch lever is provided with the bar-shaped trough of two symmetries; Be provided with the anti-rotation fixture block that distributes with the corresponding both sides up and down of bar-shaped trough between the back side of release bearing and the aligning ball-pivot, the anti-rotation fixture block is installed in the bar-shaped trough.
3. a kind of dry plate friction clutch shifting fork device according to claim 1 and 2; It is characterized in that: said release bearing body is provided with the elastic collar groove of two symmetries; The elastic collar groove is equipped with the elastic collar that is semiclosed shape, and the arranged outside of declutch lever has the card ear with holes of symmetry simultaneously, and two terminations of elastic collar are installed and are connected on the hole of card ear; With the elastic collar location, elastic collar is close to release bearing on the positive cambered surface boss of declutch lever.
4. a kind of dry plate friction clutch shifting fork device according to claim 1; It is characterized in that: said declutch lever hollow circular-tube two ends are provided with dust seal; Two dust seal lips coincide respectively aligning ball-pivot neck and input shaft keep clean aligning ball-pivot working space.
5. a kind of dry plate friction clutch shifting fork device according to claim 1; It is characterized in that: the master arm end of said declutch lever is provided with the cambered surface interface that supplies the clutch control drag-line to connect; Perhaps be provided with the hinged interface that hydraulic jack promotes, form the master arm Point of Strength.
6. according to claim 1 or 5 described a kind of dry plate friction clutch shifting fork devices, it is characterized in that: also be provided with Returnning spring on the master arm of said declutch lever.
7. a kind of dry plate friction clutch shifting fork device according to claim 6; It is characterized in that: this device is set with one or two fulcrum block on gearbox clutch locular wall; Declutch lever is provided with and the corresponding fulcrum of fulcrum block; Fulcrum block is used to change declutch lever strength or direction with point articulated; Said fulcrum block and declutch lever prop up point articulated axial position, on the middle separated time of declutch lever maximum functional pivot angle.
8. a kind of dry plate friction clutch shifting fork device according to claim 7 is characterized in that: the longitudinal midline of said aligning ball-pivot be in the declutch lever of zero degree state and the longitudinal midline of fulcrum is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102858795A CN102359510A (en) | 2011-09-23 | 2011-09-23 | Shifting fork device of dry plate friction clutch |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102858795A CN102359510A (en) | 2011-09-23 | 2011-09-23 | Shifting fork device of dry plate friction clutch |
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| CN102359510A true CN102359510A (en) | 2012-02-22 |
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| CN2011102858795A Pending CN102359510A (en) | 2011-09-23 | 2011-09-23 | Shifting fork device of dry plate friction clutch |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106481684A (en) * | 2015-08-27 | 2017-03-08 | 舍弗勒技术股份两合公司 | Actuating device and clutch system with an actuating device |
| CN111573543A (en) * | 2020-04-03 | 2020-08-25 | 武汉船用机械有限责任公司 | Clutch pushing device |
| CN112443588A (en) * | 2019-08-30 | 2021-03-05 | 比亚迪股份有限公司 | Clutch control mechanism and vehicle |
| EP4015861A1 (en) * | 2020-12-16 | 2022-06-22 | Ningbo Geely Automobile Research & Development Co. Ltd. | An actuator device for a friction clutch |
| EP4257837A4 (en) * | 2022-02-23 | 2024-04-17 | Zhejiang Xinke Transmission Technology Co., Ltd | Control mechanism of clutch |
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| EP1262693B1 (en) * | 2001-05-31 | 2005-07-20 | INA-Schaeffler KG | Shift rail with a shift fork |
| CN101298879A (en) * | 2008-06-13 | 2008-11-05 | 綦江齿轮传动有限公司 | Strong push type detaching mechanism of car clutch |
| CN202228561U (en) * | 2011-09-23 | 2012-05-23 | 孔凡鲁 | Fork device for dry piece friction clutch |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481684A (en) * | 2015-08-27 | 2017-03-08 | 舍弗勒技术股份两合公司 | Actuating device and clutch system with an actuating device |
| CN106481684B (en) * | 2015-08-27 | 2020-08-21 | 舍弗勒技术股份两合公司 | Actuating device and clutch system with an actuating device |
| CN112443588A (en) * | 2019-08-30 | 2021-03-05 | 比亚迪股份有限公司 | Clutch control mechanism and vehicle |
| CN112443588B (en) * | 2019-08-30 | 2022-03-15 | 比亚迪股份有限公司 | Clutch control mechanism and vehicle |
| CN111573543A (en) * | 2020-04-03 | 2020-08-25 | 武汉船用机械有限责任公司 | Clutch pushing device |
| CN111573543B (en) * | 2020-04-03 | 2021-12-10 | 武汉船用机械有限责任公司 | Clutch pushing device |
| EP4015861A1 (en) * | 2020-12-16 | 2022-06-22 | Ningbo Geely Automobile Research & Development Co. Ltd. | An actuator device for a friction clutch |
| US12044274B2 (en) | 2020-12-16 | 2024-07-23 | Ningbo Geely Automobile Research & Development Co., Ltd. | Actuator device for a friction clutch |
| EP4257837A4 (en) * | 2022-02-23 | 2024-04-17 | Zhejiang Xinke Transmission Technology Co., Ltd | Control mechanism of clutch |
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Application publication date: 20120222 |