CN1991214A - Gear shifting actuator, vehicle with the gear shifting actuator and method of mounting the gear shifting actuator - Google Patents
Gear shifting actuator, vehicle with the gear shifting actuator and method of mounting the gear shifting actuator Download PDFInfo
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- CN1991214A CN1991214A CNA2006101566106A CN200610156610A CN1991214A CN 1991214 A CN1991214 A CN 1991214A CN A2006101566106 A CNA2006101566106 A CN A2006101566106A CN 200610156610 A CN200610156610 A CN 200610156610A CN 1991214 A CN1991214 A CN 1991214A
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Abstract
The present invention provided a shift actuator disposed outside a power unit and the vehicle with the shift actuator that is easily positioned in the neutral position during mounting. A motorcycle equipped with a shift actuator 75 includes a transmission; a shift shaft for changing the gears of the transmission; and a crankcase that covers the shift shaft and the transmission. The shift actuator 75 includes a motor 77; an output shaft 81 connected to the shift shaft with a connecting device therebetween; a worm gear 80A interposed between the motor 77 and the output shaft 81; a case 76 supporting the motor 77, the output shaft 81, and the worm gear 80A; and a potentiometer supported by the case 76 and sensing the position of the output shaft 81. The worm gear 80A transfers a driving force from the motor 77 to the output shaft 81 but transfers no driving force from the output shaft 81 to the motor 77.
Description
Technical field
The present invention relates to be used for the gear of speed changer is carried out the gear shifting actuator of gear shift, the method that has the vehicle of this gear shifting actuator and this gear shifting actuator is installed.
Background technique
A kind of vehicle of equipping speed changer and gear shifting actuator known in this field, wherein the gear of speed changer changes (for example, referring to Patent Document 1) automatically.
Disclosed vehicle has in engine unit (power unit) with the speed changer of motor and the gear shifting actuator of engine unit outside in the patent documentation 1.Gear shifting actuator is connected to speed changer via the linkage mechanism of being made up of bar and lever.
When gear shifting actuator was arranged in the engine unit outside, the installation degrees of freedom of gear shifting actuator increased, and has reduced the restriction to vehicle layout thus.And, owing to gear shifting actuator is arranged in the space of vehicle, so can reduce the size of vehicle.
Summary of the invention
[the problem to be solved in the present invention]
But this vehicle has such problem, and promptly the installation precision of its gear shifting actuator is must be enough high, and this is that shift shaft because of speed changer in gear shifting actuator and the engine unit must be connected with linkage mechanism.
And shift shaft has such characteristic, and it is not to rotate in one direction, but rotates on two gear shift direction of high tap position and low-grade location.Therefore, in order correctly to realize gear-change operation, gear shifting actuator must remain on the correct neutral position before operation.But patent documentation 1 does not provide about guaranteeing the specific descriptions of gear shifting actuator neutral position.
Consider that these problems have carried out the present invention, and the purpose of this invention is to provide a kind of vehicle that is arranged in the gear shifting actuator of power unit outside and has this gear shifting actuator, wherein this gear shifting actuator can easily be positioned at the neutral position during installation.
[method of dealing with problems]
Gear shifting actuator according to the present invention is the gear shifting actuator that is installed to the vehicle that is equipped with power unit, described power unit comprises speed changer with a plurality of gears, be used to change described speed changer described gear shift shaft and be exposed to the casing that outside mode covers described shift shaft and described speed changer with a part with described shift shaft.Described gear shifting actuator comprises: the main driving; Output shaft, it is connected to the described expose portion of described shift shaft directly or indirectly; Power transmission mechanism, it inserts between described main driving and the described output shaft, and described power transmission mechanism is not delivered to described main the driving with driving force from described output shaft with driving force from described main drive transmitting to described output shaft; Housing, it supports described main driving, described output shaft and described power transmission mechanism; And position transducer, it is by the position of described housings support and the described output shaft of sensing.
Herein, " shift shaft " is not limited to single member, and can be the combination of a plurality of members.Thus, " expose portion of shift shaft " can change in form.For example, the part of single shift shaft can be outstanding to form the expose portion of shift shaft from casing.Perhaps, shift shaft can comprise the main body that is arranged in the casing and be connected to main body and be projected into the projection of casing outside that then this projection can be the expose portion of shift shaft.The part that can connect from the casing outside is included in " expose portion of shift shaft ".
The method that is used to install gear shifting actuator according to the present invention is the method that is used for gear shifting actuator is installed to vehicle.Said method comprising the steps of: the state that is positioned at predetermined neutral position with described output shaft is by the described main driving of described housings support, described output shaft, described power transmission mechanism and described position transducer; Regulate described position transducer, make the described neutral position of described output shaft and the reference position of described position transducer be complementary; The described housing of described actuator is fixed to the part of described vehicle; With with connection set the described expose portion of the described shift shaft of described power unit and the described output shaft of described actuator are connected to each other.
Gear shifting actuator comprises that the anti-reverse function that has between main driving and output shaft (can not be by the function of external force rotation, in other words, auto-lock function) power transmission mechanism, that is, driving force from main drive transmitting to output shaft but is not delivered to the main power transmission mechanism that drives with driving force from output shaft.Therefore, even when housing is installed, have external force to be applied to output shaft, the possibility that does not also exist the output shaft that is positioned at the neutral position to be offset owing to external force.This helps to guarantee the neutral position of gear shifting actuator, thereby has improved the validity that gear shifting actuator is installed.Use this gear shifting actuator, can be before a part that housing is installed to vehicle throttle position sensor.This has improved the sensing accuracy of position transducer.
[advantage of invention]
The present invention can provide a kind of vehicle that is arranged in the gear shifting actuator of power unit outside and has this gear shifting actuator, and wherein this gear shifting actuator can easily be positioned at the neutral position during installation.
Description of drawings
Fig. 1 is the left side view according to a kind of embodiment's motorcycle.
Fig. 2 is the partial sectional view of power unit.
Fig. 3 is the partial sectional view of power unit.
Fig. 4 is the exploded perspective view of the part of speed changer.
Fig. 5 is the partial left side view of motorcycle.
Fig. 6 is the schematic internal view of actuator.
Fig. 7 is the sectional view of the actuator got of the line VII-VII along Fig. 6.
Fig. 8 is the right side view of actuator.
Fig. 9 is the front view of break.
(a) of Figure 10 is the side view of rotating lever, and (b) of Figure 10 is by the figure of the represented rotating lever of the arrow Xb of Figure 10 (a).
(a) of Figure 11 is the side view of pivoted arm, and (b) of Figure 11 is by the figure of the represented pivoted arm of the arrow XIb of Figure 11 (a).
Figure 12 is the side view of bar.
Figure 13 is the partial top view of motorcycle.
Figure 14 is the stereogram of switch capsule.
Figure 15 is the partial side view according to second embodiment's motorcycle.
Figure 16 is the front view according to second embodiment's bar.
(a) of Figure 17 is the front view of bar member; (b) of Figure 17 is the side view of bar member.
Figure 18 is another embodiment's a schematic representation, and wherein the shift shaft of output shaft and gear shifting actuator directly is connected.
Embodiment
Below with reference to accompanying drawing embodiments of the invention are described.
[first embodiment]
With reference to figure 1, be motorcycle 10 according to the vehicle of present embodiment.Motorcycle 10 comprises body shell 11 and is used for rider's vehicle seat 16.Motorcycle 10 is so-called " portable (moped) ".Herein, " portable " only represents the type of vehicle with regard to shape, and do not limit the max speed, piston stroke and the vehicle dimension of vehicle.Vehicle according to the invention is not limited to portable and can is the motorcycle that vehicle seat the place ahead has the another kind of type of fuel tank, or the motorcycle of the another kind of type such as motor tricycle or off-road vehicle (ATV).
In the following description, forward and backward, left and right expression is from being sitting in the direction of the rider's observation on the vehicle seat 16.Body shell 11 comprises: steering head pipe 12; From the beginning managing 12 tilts down towards the main car frame 13 of rear extension; Tilt up towards a pair of left and right sides of rear extension vehicle seat beam 14 from the middle part of main car frame 13; With from main car frame 13 towards the back upper place diagonally extending and be positioned at a pair of left and right sides backstay 15 at vehicle seat beam 14 rears.Backstay 15 is connected between the middle part of the rear end of main car frame 13 and vehicle seat beam 14.Steering head pipe 12 supports front-wheel 19 with front fork 18, and front fork 18 is between them.
The top of body shell 11 and left and right sides sidepiece are covered by primary seal lid 21a and side seal lid 21b substantially.Primary seal lid 21a and side seal lid 21b are referred to as vehicle body capping 21 herein.
Back arm support is outstanding downwards from the rear end of main car frame 13.Back arm support has pivot 86.Pivot 86 supports the front end of postbrachium 25 pivotly.Trailing wheel 26 is supported in the rear end of postbrachium 25.The latter half of of postbrachium 25 hung by body shell 11 by damper unit 27, and damper unit 27 is between them.
Motorcycle 10 comprises the front mudguard 31 at the top that covers front-wheel 19 and rear portion and covers the rear mudguard 32 of the inclination superior posterior of trailing wheel 26.Except vehicle body capping 21, motorcycle 10 also comprises front truck cover 33 and left and right sides leg guard 34.
With reference to figure 2 and 3, the structure of power unit 28 will be described now.Power unit 28 comprises motor 29 with bent axle 30, centrifugal clutch 36, engagement or the gear shift sleeve 37 and the speed changer 38 that unclamp when gear-change operation.Though the type of motor 29 is unrestricted, the motor 29 of present embodiment is a four-cycle, single-cylinder engine.
As shown in Figure 3, centrifugal clutch 36 is installed to the right-hand member of bent axle 30.Centrifugal clutch 36 has clutch boss and the clutch housing (both are all not shown) that is fixed to bent axle 30.Centrifugal clutch 36 when idling, unclamp and travelling during the engagement.In other words, centrifugal clutch 36 unclamps when being lower than predetermined speed and becomes at it at the rotating speed (engine RPM) of bent axle 30 and meshes when being higher than predetermined speed.
Clutch boss 37a is installed to main shaft 44, and it rotates with main shaft 44 thus.Clutch housing 37b is pivotally mounted to main shaft 44.Clutch boss 37a has a plurality of friction plate 39a, and clutch housing 37b has a plurality of clutch plate 39b.Each friction plate 39a is arranged between the adjacent clutch plate 39b.
As shown in Figure 2, the outer perimeter around main shaft 44 has a plurality of speed change gears 46.The live axle 45 that is arranged in parallel with main shaft 44 is equipped with a plurality of speed change gears 47.Speed change gear 46 and the speed change gear 47 on the live axle 45 on the main shaft 44 mesh as required.
One or both in speed change gear 46 and the speed change gear 47 except selected gear is installed to main shaft 44 or live axle 45 when idling mode.Therefore, the driving force from main shaft 44 is delivered to live axle 45 via selected a pair of speed change gear.
Realize the selection of speed change gear via shifting cam 113 (with reference to figure 4).As shown in Figure 4, speed changer 38 comprises and is used to make range fork 111a that speed change gear 46 slides along the axis of main shaft 44 and the slide bar 112a that is used for supporting slidably range fork 111a.Speed changer 38 also comprises and is used to make range fork 111b that speed change gear 47 slides along the axis of live axle 45 and the slide bar 112b that is used for supporting slidably range fork 111b.Shifting cam 113 has the cam path 113a around it. Range fork 111a and 111b slide along cam path 113a.
Shifting cam 113 rotates via ratchet mechanism 115 by the rotation of shift shaft 70.Ratchet mechanism 115 make shifting cam 113 at regular intervals (angle) rotate with mobile range fork 111a and 111b regularly, and have the reciprocal ratcher function that is used for changing step by step gear.The shifting cam 116 of ratchet mechanism 115 transmits the rotation of shift shaft 70 and the stroke of control shift shaft 70, thereby prevents the excess of stroke of shifting cam 113.The banking stop 117 of ratchet mechanism 115 is fixed to the precalculated position with shifting cam 113.
As shown in Figure 3, hollow main shaft 44 is supported rotationally by bearing 540.In main shaft 44, first push rod 527, ball 528 and second push rod 529 insert in axially movable mode, and along with moving of they, retaining piece 37c laterally moves.
When shift shaft 70 rotated by external motivating force, the nut 536a on the outside thread 535a that is screwed in shift shaft 70 of lever 536 was moved to the left.Along with moving of nut 536a, lever 536 rotates, and the second end 536b of lever 536 promotes first push rod 527 to the right thus, so first push rod 527 slides to the right.First push rod 527 promotes second push rod 529 to the right by ball 528 and slides to the right making it.
Along with second push rod 529 slides, retaining piece 37c overcomes the biasing force of pressure spring 60 and moves right.As a result, the contact of the pressure between friction plate 39a and the clutch plate 39b is thrown off to unclamp gear shift sleeve 37.
So shift shaft 70 and retaining piece 37c link together by lever 536, first push rod 527, ball 528 and second push rod 529, retaining piece 37c moves along with the rotation of shift shaft 70 thus.In other words, when shift shaft 70 begins to rotate, and the rotational angle of shift shaft 70 is when reaching predetermined angle (clutch begins to unclamp the angle), and retaining piece 37c moves right gear shift sleeve 37 is unclamped.When shift shaft 70 further rotations reached predetermined angle (gear shift begins the angle), shifting cam 113 rotated with the beginning gear-change operation.
Bent axle 30 is equipped with flywheel magneto 50 at left end, and flywheel magneto 50 is as the rotor that rotates with bent axle 30.Flywheel magneto 50 constitutes the rotor of generator 51.
As shown in Figure 2, crankcase 35 comprises first casing 52 and second casing 53.Though not shown, first casing 52 is made up of a plurality of box components, and mainly cover a part, centrifugal clutch 36, gear shift sleeve 37, the main shaft 44 of bent axle 30, a part and the shifting cam 113 of live axle 45.Second casing 53 covers flywheel magneto 50.Second casing 53 is positioned at the place ahead of first casing 52 on the fore-and-aft direction of vehicle.Second casing 53 protrudes in outside first casing 52 at (left in Fig. 2) on the vehicle-width direction.Though first casing 52 and second casing 53 of present embodiment are disconnected from each other, they also can be combined into one.
As shown in Figure 3, part shift shaft 70 is outstanding to form projection 70a to the outside of crankcase 35.As shown in Figure 2, the part of live axle 45 is also outstanding to the outside of crankcase 35.Sprocket wheel 54 is fixed to the projection 45a of live axle 45.Chain 55 twines around the sprocket wheel (not shown) of sprocket wheel 54 and trailing wheel 26.Be used for the dirivig member that driving force with live axle 45 is delivered to trailing wheel 26 and be not limited to chain 55, and can be other transmission members such as transmitting band or live axle.
As shown in Figure 5, chain capping 56 is arranged in a side (in the front side of Fig. 5) of chain 55.Chain capping 56 covers the top and the bottom of chain 55 and the outside on vehicle-width direction.The cylinder 43 of not shown power unit 28 (with reference to figure 1) among Fig. 5.
As shown in Figure 5, motorcycle 10 has the actuator 75 that is used to rotate shift shaft 70.Actuator 75 is connected to shift shaft 70 via connection set 61.Then, will the structure of actuator 75 be described.
Fig. 6 is the schematic internal view of actuator 75; Fig. 7 is the sectional view that the line VII-VII along Fig. 6 is got; Fig. 8 is the right side view of actuator 75; And Fig. 9 is the front view of actuator 75.
As shown in Figure 6, actuator 75 comprise the motor of forming by motor body 77a and motor drive shaft 77b 77, the worm screw 79 that is fixed to motor drive shaft 77b, with the worm gear 80 of worm screw 79 engagements and as the output shaft 81 of the rotating shaft of worm gear 80.Each free bearing 101 of the end of worm screw 79 and the other end supports.Worm gear 80 is laminar, and looks along the axis of output shaft 81 and to have fan shape.
The wrom tooth wheel 80A that is made up of worm screw 79 and worm gear 80 has the reduction speed ratio greater than the device of being made up of a plurality of spur wheels.In this embodiment, the reduction speed ratio of wrom tooth wheel 80A is set to 100 or bigger.Wrom tooth wheel 80A is delivered to output shaft 81 with the driving force of motor 77, but driving force is not delivered to motor 77 from output shaft 81.In other words, wrom tooth wheel 80A has anti-reverse function, thereby constitutes self-locking mechanism.
The second casing 76b that arranges near the vehicle width outside has and is used to hole that output shaft 81 is passed, and output shaft 81 passes this hole to be projected into the outside of casing 76.As shown in Figure 9, be positioned at position meter (potentiometer) S1 that is equipped with the pivotal position that is used for sensing output shaft 81 along the first casing 76a of the inboard of vehicle width.Though not shown, position meter S1 is connected to signaling line.Signaling line is connected to electronic control unit (ECU) (not shown).
Shown in Fig. 7 and 9, the matching surface 96 at motor 77 these sections of the first casing 76a and the second casing 76b (with reference to figure 6) is the plane that comprises the axis 77c of motor drive shaft 77b.The matching surface 97 at worm screw 79 these sections of the first casing 76a and the second casing 76b (with reference to figure 6) is the plane that comprises the axis 77c of motor drive shaft 77b.
As shown in Figure 6, the first casing 76a and the second casing 76b have a plurality of bolts hole 73 and 74 at its circumference place.The first casing 76a and the second casing 76b are linked together by the bolt 99 that passes bolt hole 73 and 74 (with reference to figure 5).As shown in Figure 5, main car frame 13 and vehicle seat beam 14 have support 24.The first casing 76a and the second casing 76b are installed to support 24 by the bolt 99 that passes bolt hole 74.When observing from the side, actuator 75 is arranged among the regional A1 that is defined by main car frame 13, vehicle seat beam 14 and backstay 15.
As shown in Figure 5 and Figure 6, motor 77 extends on the direction vertical with vehicle-width direction." vertically " herein not only comprises " vertically " on the strict letter, also comprises " vertical substantially ".In other words, in this embodiment, the axis 77c of motor 77 is basically perpendicular to vehicle-width direction.Axis 77c also is the axis of worm screw 79.Output shaft 81 extends on the direction vertical with axis 77c.So output shaft 81 substantially vertically extends with the width of vehicle.
Then, the connection set 61 that actuator 75 will be connected with shift shaft 70 is described.
As shown in Figure 5, connection set 61 is connected the output shaft 81 of actuator 75 and the projection 70a of shift shaft 70 in the outside of the crankcase 35 of power unit 28.When observing from the side, the projection 70a of shift shaft 70 is arranged in rear under the inclination of flywheel magneto 50.Connection set 61 comprises rotating lever 71, pivoted arm 72 that is connected to shift shaft 70 projection 70a and the bar 63 that rotating lever 71 is connected with pivoted arm 72 that is connected to output shaft 81.Bar 63 is connected rotating lever 71 in the mode that tilts at vehicle-width direction with pivoted arm 72.
In this embodiment, bar 63 and rotating lever 71, and bar 63 and pivoted arm 72 each personal connection set link together, this connection set is connected to rotating lever 71 and pivoted arm 72 with bar 63 in the mode that tilts at vehicle-width direction.With reference to Figure 10 and 11, present embodiment uses ball-joint 64 as connection set.So an end of bar 63 is connected to rotating lever 71 via ball-joint 64, and its other end is connected to pivoted arm 72 via ball-joint 64.
Ball-joint 64 comprises cylindrical portions may 64a and ball 64b, and insert among the cylindrical portions may 64a end of bar 63, the mode support cylinder part 64a that ball 64b rotates with 360 degree.Nut 69 is assemblied in the end of cylindrical portions may 64a so that the bar 63 that inserts is fastening.Bar 63 is detachably connected to ball-joint 64.
With reference to Figure 10, the first pontes 71b of basic C shape sends out the base portion put at rotating lever 71 (on the right of Figure 10 (a)) in side view.Fixed hole 71a is arranged on the center of the first pontes 71b, and the output shaft 81 of actuator 75 is assembled among the fixed hole 71a.The bolt hole 71c that is used for bolt 66 is set to the right side of the fixed hole 71a of the first pontes 71b.Bolt 66 is fastened to each other with the first pontes 71b and output shaft 81.So rotating lever 71 removably is connected via bolt 66 with output shaft 81.
With reference to Figure 11, the second attachment portion 72b of basic C shape is arranged on the base portion (on the left side of Figure 11 (a)) of pivoted arm 72 in side view.Fixed hole 72a is arranged on the center of the second attachment portion 72b, and the projection 70a of shift shaft 70 is assembled among the fixed hole 72a.The bolt hole 72c that is used for bolt 66 is set to the below of the fixed hole 72a of the second attachment portion 72b.Bolt 66 is fastened to each other with the projection 70a of the second attachment portion 72b and shift shaft 70.So the projection 70a of cursor 72 and shift shaft 70 removably is connected via bolt 66.
As shown in figure 10, rotating lever 71 is upwardly extending tabular in the cardinal principle front and back.As shown in figure 11, pivoted arm 72 also is upwardly extending tabular in front and back substantially.But pivoted arm 72 is straight-line extension in one direction not, but bends inwards towards the width direction of end along vehicle from base portion.But the concrete structure of rotating lever 71 and pivoted arm 72 is unrestricted fully.
As shown in figure 12, the bar 63 of present embodiment forms single member.With reference to figure 5, when observing from the side, bar 63 is (herein, " vertically " not only comprises " vertically " on the strict letter, also comprises " vertical substantially ") layout vertically.When observing from the side, bar 63 extends vertically at flywheel magneto 50 rears.In other words, bar 63 is through the side of first casing 53 and the rear of second casing 53.When observing from the side, bar 63 is stacked with the sprocket wheel 54 that is connected to live axle 45, and also stacked with chain 55.
As shown in figure 13, bar 63 tilts at vehicle-width direction.Particularly, rotating lever 71 is arranged in pivoted arm 72 to the inside on vehicle-width direction, and bar 63 tilts for making the upper end be positioned at the lower end to the inside on vehicle-width direction.Bar 63 is arranged in second casing 53 on vehicle-width direction outer end to the inside.
As shown in Figure 5, interior capping 82 is arranged between bar 63 and the chain 55.Interior capping 82 is vertical elongate curved plates, and it separates bar 63 and chain 55.The internal surface of interior capping 82 is near chain 55.The position and the method for capping 82 are unrestricted fully in fixing.For example, interior capping 82 can be fixed to crankcase 35 or support (not shown) with bolt (not shown) etc.
With reference to figure 1 and 13, cover the major part of bar 63 with outer seal 83.In this embodiment, outer seal 83 also covers the major part of pivoted arm 72.Outer seal 83 also covers the side of chain 55 with chain capping 56.With reference to Figure 13, outer seal 83 has recess 83a on top, is used to make bar 63 to pass through vertically.
Fixedly the position of outer seal 83 and method are unrestricted fully.For example, outer seal 83 can be fixed to crankcase 35, support (not shown) or chain capping 56 (with reference to figure 1) with bolt 84.Outer seal 83 can cover under the situation that 21b and actuator 75 be fixed at side seal and remove.So this embodiment is constructed so that and can only removes outer seal 83 under the situation that does not remove side seal lid 21b and actuator 75.Outer seal 83 can form single member, maybe can be the combination of a plurality of cover members.
With reference to figure 1, actuator 75 and rotating lever 71 (both are all not shown among Fig. 1) are covered by side seal lid 21b.Side seal lid 83 and side seal lid 21b cover almost whole connection set 61.
With reference to Figure 14, bogie car is have the switch capsule 94 that comprises Gear-shift switch 95 in left grip.Gear-shift switch 95 is made up of upshift switches 95a and downshift switch 95b, and the gear that is used for speed changer 38 is in the extremely suitably gear shift between (for example, the 6th speed) the most at a high speed of first speed.When upshift switches 95a or downshift switch 95b were pushed, actuator 75 was energized to rotate shift shafts 70 via connection set 61.Gear shift sleeve 37 unclamps along with the rotation of shift shaft 70, carries out gear-change operation with the gear 46 of change speed changer 38 and 47 combination (combination of engaging gear).
Use description to install the method for actuator 75 now.
Worm gear 80 is positioned at predetermined neutral position (to be made worm gear 80 symmetry on fore-and-aft direction, as shown in Figure 6), and is temporarily fixed not rotate around casing 76.Be at worm gear 80 under the situation of temporary transient stationary state, worm screw 79 and motor 77 are arranged in the casing 76.Meter S1 in position is at worm gear 80 under the situation of temporary transient stationary state and is installed to the first casing 76a.Then, adjusted position meter S1 makes the neutral position (neutral position of worm gear 80) of output shaft 81 and the reference position (for example, zero point) of position meter S1 be complementary.Subsequently, the first casing 76a and the second casing 76b are stacked mutually.
Then, rotating lever 71 is installed to the output shaft 81 of actuator 75.Pivoted arm 72 is fixed to the projection 70a of shift shaft 70.Because present embodiment has wrom tooth wheel 80A between the motor 77 of actuator 75 and output shaft 81, so even also can prevent the rotation of output shaft 81 when external force is applied to output shaft 81.Even during rotating lever 71 is installed, applied power to output shaft 81 mistakenly, also can prevent the skew of worm gear 80 from the neutral position.Similarly, also do not exist and install that shift shaft 70 is from the possibility of neutral position deflection during the pivoted arm 72, this is because shift shaft 70 is maintained at the neutral position by the spring 90 that is built in the power unit 28.
At last, bar 63 is installed to rotating lever 71 and pivoted arm 72.Particularly, an end of bar 63 is inserted among the cylindrical portions may 64a of the ball-joint 64 adjacent with rotating lever 71, and the other end of bar 63 is inserted among the cylindrical portions may 64a of the ball-joint 64 adjacent with pivoted arm 72.Then, the length of adjustable lever 63 length of adjustable lever 63 (the insertion amount by controlling rod 63 can), and the nut 69 of fastening ball-joint 64.Equally in the case, even external force is applied to the output shaft 81 of actuator 75, worm gear 80 is not also from neutral position deflection.
As mentioned above, be used for the actuator 75 that speed changer 38 carries out gear shift is arranged in the outside of power unit 28.Thus, actuator 75 has higher degree flexible for installation, thereby has improved the elasticity of vehicle layout.And, because actuator 75 is arranged in the space of vehicle, so can reduce the size of vehicle.In this embodiment, arrange power transmission mechanism (wrom tooth wheel 80A) between the motor 77 of actuator 75 and output shaft 81, it is delivered to output shaft 81 with driving force from motor 77, but driving force is not delivered to motor 77 from output shaft 81.This prevent when actuator 75 is installed to vehicle a part of output shaft 81 by external force from predetermined neutral position skew.The neutral position that this has assisted in ensuring that output shaft 81 has increased the validity that actuator 75 is installed.In other words, even when actuator 75 is arranged in the outside of power unit 28, present embodiment also provides the sufficient accuracy that actuator 75 is installed.
According to present embodiment, can be installed to body shell 11 at the casing 76 of actuator 75 before adjusted position meter S1.This allows the accurately reference position of desired location meter S1 (zero point), thereby has improved the sensing accuracy of position meter S1.
Present embodiment uses the wrom tooth wheel 80A comprise worm screw 79 and worm gear 80 as the power transmission mechanism with afore-mentioned characteristics, being used for that driving force is delivered to output shaft 81 from main drive (motor 77) of actuator 75, and does not transmit the driving force reverse with it.So the power transmission mechanism with afore-mentioned characteristics can reduce size, make actuator 75 and vehicle also can reduce size.Wrom tooth wheel 80A has the characteristic of high reduction speed ratio.This also can bring the size of actuator 75 to reduce.
In the present embodiment, worm screw 79 is connected to motor drive shaft 77b, and worm gear 80 is connected to output shaft 81.In other words, worm screw 79 and motor drive shaft 77b directly are fixed together, and worm gear 80 and output shaft 81 directly are fixed together, and do not insert any member therebetween.This layout has reduced number of components, and has reduced the size of actuator 75.
The worm screw 79 of present embodiment has fan-shaped shape.This compares with the shape of disk, has reduced the size of worm screw 79.This also helps the size of actuator 75 to reduce.
In this embodiment, the engagement of gear shift sleeve 37 and unclamp and the gear-change operation of speed changer 38 is undertaken by the rotation of shift shaft 70.Therefore, the engagement of gear shift sleeve 37 and unclamp and the gear-change operation of speed changer 38 is carried out by single actuator 75.This compares with the situation that actuator 75 is only carried out the gear-change operation of speed changer 38, has increased the operating range (corner) of the output shaft 81 of actuator 75.But, because present embodiment has the wrom tooth wheel 80A of high reduction speed ratio, so though output shaft 81 has wide operating range, motor 77 can reduce size.Therefore, actuator 75 can reduce size.
According to this embodiment, actuator 75 is arranged so that the width of motor shaft 77b and worm screw 79 and vehicle intersects.Therefore, though actuator 75 is arranged in the outside of power unit 28, prevented that actuator 75 is outstanding along the width of vehicle, so reduced the width of vehicle.
In this embodiment, the axis 77c of the motor 77 of actuator 75 extends on the direction vertical with vehicle width.Herein " vertically " not only comprise " vertically " on the strict letter, also comprise " vertical substantially ".Because the axis 77c of motor 77 extends on the direction perpendicular to vehicle width, so output shaft 81 is along the width extension of vehicle.As a result, connection set 61 is being gone up and is being moved perpendicular to the plane of vehicle width the plane of the fore-and-aft direction of vehicle (for example, along).So connection set 61 can not given prominence to by the width along vehicle along with moving, thereby further reduced the width of motorcycle 10.
According to present embodiment, cover output shaft 81, wrom tooth wheel 80A and the motor 77 of actuator 75 with casing 76.These protection motor 77 grades are avoided dust or water, thereby have strengthened the reliability of actuator 75.
The casing 76 of actuator 75 is made up of the first casing 76a with shape more shallow and almost plate-like and the second casing 76b.The first casing 76a and the second casing 76b are the planes that comprise the axis 77c of motor drive shaft 77b at the matching surface 96 of motor 77 these sections.This has reduced the width of the casing 76 of actuator 75.
The first casing 76a and the second casing 76b also are the planes that comprises the axis 77c of motor drive shaft 77b at the matching surface 97 of worm screw 79 these sections.This has further reduced the width of the casing 76 of actuator 75.
In this embodiment, bar 63 extends vertically, makes that the length of bar 63 on fore-and-aft direction is shorter, and can reduce the necessary length of bar 63.
The actuator 75 of present embodiment separates with power unit 28.Therefore, actuator 75 does not directly bear from the heat of power unit 28 or vibration, can improve the reliability of actuator 75 thus and prolong its life-span.
According to present embodiment, to observe from the side, actuator 75 is arranged among the regional A1 that is defined by main car frame 13, vehicle seat beam 14 and backstay 15.So regional A1 can be used as the installing space of actuator 75 effectively.
According to present embodiment, the outer side covers of bar 63 on vehicle-width direction has outer seal 83, thus can guard bar 63.And, because outer seal 83 also covers the part of rotating lever 71 and pivoted arm 72, so can also protect rotating lever 71 and pivoted arm 72.Because rotating lever 71 and actuator 75 are covered by side seal lid 21b, so can protect actuator 75 etc.
Connection set 61 comprises the first pontes 71b of the output shaft 81 that is connected to actuator 75 and is connected to the second attachment portion 72b of the projection 70a of shift shaft 70.The first pontes 71b be arranged in the second attachment portion 72b on vehicle-width direction to the inside.Therefore, this allows actuator 75 to arrange more inwardly, thereby reduces the width of motorcycle 10.
According to this embodiment, bar 63 is connected to rotating lever 71 and pivoted arm 72 in the mode that tilts at vehicle-width direction, and bar 63 tilts at vehicle-width direction thus.This makes can be arranged in the inboard with actuator 75 with linearly extended bar 63.That is, actuator 75 can be arranged in the inboard with simple mechanism.
[second embodiment]
With reference to Figure 15 and 16, the second embodiments are modifications of first embodiment, have wherein revised the bar 63 of connection set 61.
In a second embodiment, bar 63 is made up of a plurality of bar members that removably link together, and adjustable in length.Herein, bar 63 is made up of the first bar member 91 and the second bar member 92.
With reference to (a) of Figure 17 and (b), the second bar member 92 has the anchor clamps 92a of the upward opening of basic U-shaped at the place, top.Anchor clamps 92a has two circular hole 92b and two the last lower nut 92cs corresponding with circular hole 92b up and down.The first bar member 91 has the insertion portion 91a that inserts among the anchor clamps 92a in the bottom.Insertion portion 91a has two vertical elongated hole 91b.
As shown in figure 16, the first bar member 91 and the second bar member 92 are fastening by bolt 93 that passes circular hole 92b, slotted hole 91b and nut 92c.Because insertion portion 91a has slotted hole 91b, so bolt 93 can slide in slotted hole 91b vertically.This allows the first bar member 91 and the second bar member 92 axially to relatively move, thereby allows the length of adjustable lever 63.
The first bar member 91 and 92 as follows connections of the second bar member.Be connected to after the ball-joint 64 adjacent with rotating lever 71 and the second bar member 92 be connected to the ball-joint 64 adjacent with pivoted arm 72 at the first bar member 91, carried out the connection between the first bar member 91 and the second bar member 92.
At first, the insertion portion 91a of the first bar member 91 is inserted among the anchor clamps 92a of the second bar member 92; Then, bolt 93 is inserted among the nut 92c of the slotted hole 91b of circular hole 92b, insertion portion 91a of anchor clamps 92a and anchor clamps 92a so that they are temporarily fastening; The first bar member 91 and the second bar member 92 are axially relatively moved, make the whole length of bar 63 reach Len req.In brief, the length of adjustable lever 63.After bar 63 has reached Len req, bolt 93 is tightened among the nut 92c so that they are fastening.
Because other structures are identical with first embodiment, so will omit its explanation herein.
This embodiment can provide the advantage identical with first embodiment.
According to this embodiment, connector element 61 adjustable in length that the projection 70a of shift shaft 70 is connected with output shaft 81 are so help to install the work of actuator 75.Easy installment work has improved the validity that actuator 75 is installed.
In this embodiment, the bar 63 of adjustable in length is made up of the first bar member 91 that links together slidably and the second bar member 92.The first bar member 91 and the second bar member 92 have the shape of bar.The insertion portion 91a of the first bar member 91 has the slotted hole 91b that alongst extends, and the anchor clamps 92a of the second bar member 92 has circular hole 92b.Connector element 61 also has bolt 93 that passes slotted hole 91b and circular hole 92b and the nut 92c that is used for fixing bolt 93, is used as the first bar member 91 and the fixing fixed component of the second bar member 92.This allows the adjusting of the length of connector element 61 with simple relatively structure.And its simplification has also guaranteed to regulate the work of the length of connector element 61.
[other embodiments]
The invention is not restricted to the foregoing description, and can implement with various forms.
In the aforementioned embodiment, have the power transmission mechanism of auto-lock function, that is, it is wrom tooth wheel 80A that driving force from main drive transmitting to output shaft but not is not delivered to the main power transmission mechanism that drives with driving force from output shaft.But power transmission mechanism according to the present invention is not limited to wrom tooth wheel 80A, and can be any power-transmitting unit with auto-lock function.For example, can use disclosed known mechanisms among JP-A-2002-27147, JP-A-2002-174320 and the JP-A-2003-074645.Disclosed content is included in one of embodiments of the invention in the aforementioned communique.
In the aforementioned embodiment, shift shaft 70 is made of an axle.But shift shaft 70 can constitute by rotating with engagement and loosen the clutch and to two or more axles that speed changer carries out gear shift.For example, shift shaft 70 can branch into the first and second two axles via the gear in the gearbox 35 etc., first engagement or loosen the clutch, second with first synchronous situation under the gear of speed changer is carried out gear shift.
In the aforementioned embodiment, the output shaft 81 of the projection of shift shaft 70 (expose portion) 70a and actuator 75 is connected indirectly via connector element 61.But, being schematically shown as Figure 18, shift shaft 70 can directly be connected with output shaft 81.In embodiment as shown in figure 18, has the casing 35b in the casing 35a (casing 35a can be as shown in figure 18 and crankcase 35 one, perhaps can separate with it) and crankcase 35 outsides.Casing 35a and 35b link together by bolt 201 and nut 202.The output shaft 81 of casing 76 and actuator 75 is contained among casing 35a and the 35b.Casing 76 uses bolt 203 to be fixed to casing 35b.
[industrial applicability]
As mentioned above, the present invention can be used for to speed changer carry out gear shift gear shifting actuator, have this and change The vehicle of shelves actuator and the method that is used for installing this gear shifting actuator.
Claims (21)
1. gear shifting actuator, it is installed to the vehicle that is equipped with power unit, described power unit comprises speed changer with a plurality of gears, be used to change described speed changer described gear shift shaft and be exposed to the casing that outside mode covers described shift shaft and described speed changer with a part with described shift shaft, described gear shifting actuator comprises:
The main driving;
Output shaft, it is connected to the described expose portion of described shift shaft directly or indirectly;
Power transmission mechanism, it inserts between described main driving and the described output shaft, and described power transmission mechanism is not delivered to described main the driving with driving force from described output shaft with driving force from described main drive transmitting to described output shaft;
Housing, it supports described main driving, described output shaft and described power transmission mechanism; With
Position transducer, it is by the position of described housings support and the described output shaft of sensing.
2. gear shifting actuator according to claim 1, wherein said power transmission mechanism comprise worm screw and with the worm gear of described worm meshing.
3. gear shifting actuator according to claim 2, wherein:
Described main the driving comprises the motor with rotating shaft;
Described worm screw is connected to described rotating shaft; And
Described worm gear is connected to described output shaft.
4. gear shifting actuator according to claim 3, wherein said worm gear has fan-shaped basically shape.
5. gear shifting actuator according to claim 3, wherein
Described housing has the first half housing structures and the second half housing structures, and it is exposed to outside mode with the part with described output shaft and covers described output shaft, described motor, described worm screw and described worm gear, wherein
Described the first half housing structures and described the second half housing structures are the planes at this part fitting surface of described motor, and described plane comprises the axis of rotating shaft described in the described motor.
6. gear shifting actuator according to claim 3, wherein
Described housing has the first half housing structures and the second half housing structures, and it is exposed to outside mode with the part with described output shaft and covers described output shaft, described motor, described worm screw and described worm gear, wherein
Described the first half housing structures and described the second half housing structures are the planes at this part fitting surface of described worm screw, and described plane comprises the axis of described worm screw.
7. vehicle comprises:
Power unit comprises:
Speed changer with a plurality of gears;
Be used to change the shift shaft of the described gear of described speed changer; With
Be exposed to the casing that outside mode covers described shift shaft and described speed changer with a part with described shift shaft; With
Gear shifting actuator comprises:
The main driving;
Output shaft, it is connected to the described expose portion of described shift shaft directly or indirectly;
Power transmission mechanism, it inserts between described main driving and the described output shaft, and described power transmission mechanism is not delivered to described main the driving with driving force from described output shaft with driving force from described main drive transmitting to described output shaft;
Housing, it supports described main driving, described output shaft and described power transmission mechanism; With
Position transducer, it is by the position of described housings support and the described output shaft of sensing.
8. vehicle according to claim 7, wherein said power transmission mechanism comprise worm screw and with the worm gear of described worm meshing.
9. vehicle according to claim 8, wherein:
Described main the driving comprises the motor with rotating shaft;
Described worm screw is connected to described rotating shaft; And
Described worm gear is connected to described output shaft.
10. vehicle according to claim 9, wherein said worm gear has fan-shaped basically shape.
11. vehicle according to claim 7, wherein:
Described power unit has the clutch that meshes or unclamp when gear-change operation; And
Described shift shaft provides the gear shift of described speed changer, and engagement or unclamp described clutch.
12. vehicle according to claim 7, wherein
Described main the driving comprises the motor with rotating shaft, wherein
The described rotating shaft of described motor is arranged on the direction vertical with the width of described vehicle.
13. vehicle according to claim 7, wherein said housing is exposed to outside mode with the part with described output shaft and covers described output shaft, described power transmission mechanism and described main the driving.
14. vehicle according to claim 9, wherein
Described housing has the first half housing structures and the second half housing structures, and it is exposed to outside mode with the part with described output shaft and covers described output shaft, described motor, described worm screw and described worm gear, wherein
Described the first half housing structures and described the second half housing structures are the planes at this part fitting surface of described motor, and described plane comprises the axis of rotating shaft described in the described motor.
15. vehicle according to claim 9, wherein
Described housing has the first half housing structures and the second half housing structures, and it is exposed to outside mode with the part with described live axle and covers described output shaft, described motor, described worm screw and described worm gear, wherein
Described the first half housing structures and described the second half housing structures are the planes at this part fitting surface of described worm screw, and described plane comprises the axis of described worm screw.
16. vehicle according to claim 7 also comprises adjustable in length and the connection set that the described expose portion and the described output shaft of described shift shaft linked together.
17. vehicle according to claim 16, wherein said connection set comprises first connector element, second connector element and fixed component, and described fixed component is connected with described second connector element described first connector element in the changeable mode of relative position.
18. vehicle according to claim 17, wherein said first connector element and described second connector element are in intermeshing slidably state.
19. vehicle according to claim 18, wherein:
Described first connector element and the described second connector element both have the shape of bar;
Described first connector element has first hole, and described second connector element has second hole, wherein
At least the slotted hole that extends along the length of described first connector element or described second connector element of the first in described first hole and described second hole; And
Described fixed component comprises bolt that passes described first hole and described second hole and the nut that is used for fixing described bolt.
20. a method that is used for gear shifting actuator according to claim 1 is installed to vehicle said method comprising the steps of:
The state that is positioned at predetermined neutral position with described output shaft is by the described main driving of described housings support, described output shaft, described power transmission mechanism and described position transducer;
Regulate described position transducer, make the described neutral position of described output shaft and the reference position of described position transducer be complementary;
The described housing of described actuator is fixed to the part of described vehicle; With
With connection set the described expose portion of the described shift shaft of described power unit and the described output shaft of described actuator are connected to each other.
21. the method that is used to install gear shifting actuator according to claim 20, wherein
Described connection set adjustable in length; And
In described Connection Step, described connection set is connected to the described output shaft of described actuator, the length of regulating described connection set then.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005377288 | 2005-12-28 | ||
| JP2005377288 | 2005-12-28 | ||
| JP2006208046 | 2006-07-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1991214A true CN1991214A (en) | 2007-07-04 |
| CN100443780C CN100443780C (en) | 2008-12-17 |
Family
ID=38212931
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101566089A Expired - Fee Related CN100484824C (en) | 2005-12-28 | 2006-12-28 | Straddle-type vehicle |
| CNB2006101566106A Expired - Fee Related CN100443780C (en) | 2005-12-28 | 2006-12-28 | Gear shifting actuator, vehicle with the gear shifting actuator and method of mounting the gear shifting actuator |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101566089A Expired - Fee Related CN100484824C (en) | 2005-12-28 | 2006-12-28 | Straddle-type vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN100484824C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106855113A (en) * | 2015-12-08 | 2017-06-16 | 罗伯特·博世有限公司 | Transmission mechanism drive device |
| CN107387534A (en) * | 2016-05-17 | 2017-11-24 | 德韧营运有限责任公司 | Vehicle shifter with skew cable actuator |
| CN108253118A (en) * | 2016-12-28 | 2018-07-06 | 铃木株式会社 | Automatic transmission |
| CN109268483A (en) * | 2017-07-18 | 2019-01-25 | 德韧营运有限责任公司 | Actuator assembly for transmission shifter |
| CN110382913A (en) * | 2016-12-01 | 2019-10-25 | 比亚乔公司 | High performance synchronous transmission device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5005484B2 (en) * | 2007-09-29 | 2012-08-22 | 本田技研工業株式会社 | Arrangement structure of clutch control device in power unit for saddle riding type vehicle |
| JP6228442B2 (en) * | 2012-12-14 | 2017-11-08 | ヤマハ発動機株式会社 | Drive unit and battery-assisted bicycle |
| TWI820446B (en) * | 2020-10-16 | 2023-11-01 | 光陽工業股份有限公司 | electric car |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0488218A (en) * | 1990-07-30 | 1992-03-23 | Komatsu Ltd | Starting control method of clutch type automatic transmission |
| CN2307150Y (en) * | 1996-11-22 | 1999-02-10 | 刘锦升 | Automatic controller for clutch |
| US6590306B2 (en) * | 2001-02-26 | 2003-07-08 | Yamaha Hatsudoki Kabushiki Kaisha | Electric motor driven wheel |
| JP2004017758A (en) * | 2002-06-14 | 2004-01-22 | Toyota Motor Corp | Shifting controlling equipment |
| CN1515805A (en) * | 2003-08-28 | 2004-07-28 | 上海交通大学 | Servomechanism for automatic clutch |
| EP1586784A1 (en) * | 2004-04-16 | 2005-10-19 | LuK Lamellen und Kupplungsbau Beteiligungs KG | Procedure and clutch actuator to actuate at least one clutch in a vehicle transmission |
-
2006
- 2006-12-28 CN CNB2006101566089A patent/CN100484824C/en not_active Expired - Fee Related
- 2006-12-28 CN CNB2006101566106A patent/CN100443780C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106855113A (en) * | 2015-12-08 | 2017-06-16 | 罗伯特·博世有限公司 | Transmission mechanism drive device |
| CN106855113B (en) * | 2015-12-08 | 2022-02-18 | 罗伯特·博世有限公司 | Driving device of transmission mechanism |
| CN107387534A (en) * | 2016-05-17 | 2017-11-24 | 德韧营运有限责任公司 | Vehicle shifter with skew cable actuator |
| CN110382913A (en) * | 2016-12-01 | 2019-10-25 | 比亚乔公司 | High performance synchronous transmission device |
| CN108253118A (en) * | 2016-12-28 | 2018-07-06 | 铃木株式会社 | Automatic transmission |
| CN109268483A (en) * | 2017-07-18 | 2019-01-25 | 德韧营运有限责任公司 | Actuator assembly for transmission shifter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100484824C (en) | 2009-05-06 |
| CN1990334A (en) | 2007-07-04 |
| CN100443780C (en) | 2008-12-17 |
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Granted publication date: 20081217 Termination date: 20191228 |