CN101818792B - V-belt continuously variable transmission - Google Patents
V-belt continuously variable transmission Download PDFInfo
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- CN101818792B CN101818792B CN 201010126230 CN201010126230A CN101818792B CN 101818792 B CN101818792 B CN 101818792B CN 201010126230 CN201010126230 CN 201010126230 CN 201010126230 A CN201010126230 A CN 201010126230A CN 101818792 B CN101818792 B CN 101818792B
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- belt wheel
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Abstract
The invention provides a V-belt continuously variable transmission, capable of realizing the miniaturization of a power transmitting part for sliding a movable belt wheel. The V-belt continuously variable transmission has a groove width variable mechanism (80) for changing the groove width of a belt wheel by driving a belt wheel (62) to slide along an axis direction, a driving unit (90) for enabling the groove width variable mechanism to act, and a power transmitting part (100) for transmitting the power of the driving unit (90) to the groove width variable mechanism, wherein the driving unit (90) is configured to enable an output shaft (91) parallel to the axis of the movable belt wheel (620 to advance and retreat along the axis, the power transmitting part (100) is provided with a clamping part (121) which is linkaged with the output shaft (91) and is directly or indirectly clamped with a protuberant part (63) of the protuberant part (62) to force the movable belt wheel (62) to slide. The clamping part (121) is arranged to be adjacent to a bearing part (31b) for supporting a belt wheel shaft relative to the direction of the axis of the movable belt wheel (62).
Description
Technical field
The present invention relates to a kind of V variable v-belt drive.
Background technique
In the past, known have patent documentation 1 for example (the V variable v-belt drive of Fig. 2～Fig. 5) put down in writing have as the V variable v-belt drive: by the driving pulley (47) of main shaft (11) supporting, by the driven pulley (52) of countershaft (50) supporting, hang on the V band (55) between this driving pulley (47) and the driven pulley (52), movable belt wheel (movable halfbody 49) by making driving pulley (47) slides to change the groove width changeable mechanism of the groove width of belt wheel (47) along the axial direction of movable belt wheel (49), make the drive motor (81) of this groove width changeable mechanism action, the power transfering part that the power of this drive motor (81) is transmitted to the groove width changeable mechanism.
Patent documentation 1:(Japan) JP 2006-153057 communique
In above-mentioned existing V variable v-belt drive, the power transfering part that the power of drive motor (81) is transmitted to the groove width changeable mechanism is by reduction gear (82) and lead screw type (ネ ジ formula) slide mechanism (71) formation.
Therefore, need to a plurality of gears and bearing part thereof etc. be set at power transfering part, consequently, have the problem that causes power transfering part to maximize.
Summary of the invention
In order to solve above-mentioned problem, the object of the present invention is to provide a kind of V variable v-belt drive that can make the power transfering part miniaturization.
To achieve these goals, V variable v-belt drive of the present invention has: driving pulley, and it is by main shaft supporting; Driven pulley, it is supported by countershaft; The V band, it is hung between this driving pulley and the driven pulley; The groove width changeable mechanism, it slides to change the groove width of belt wheel along the axial direction of this activity belt wheel by the movable belt wheel that makes described driving pulley and/or driven pulley; Driver element, it makes this groove width changeable mechanism action; Power transfering part, its power with this driver element transmits to described groove width changeable mechanism, this V variable v-belt drive is characterised in that, described driver element has the output shaft parallel with the axis of described movable belt wheel, make this output shaft to the axial direction advance and retreat of this output shaft, described power transfering part has the engagement portion, advancing and retreat with the output shaft interlock of advancing and retreat along described axial direction and to the direction parallel with the axis of described movable belt wheel in this engagement portion, directly or indirectly engages and described mobile belt is taken turns with the jut of this activity belt wheel and slide.
According to this V variable v-belt drive, because driver element has and the axis of the movable belt wheel mobile output shaft of advancing and retreat abreast, advance and retreat according to this output shaft move, engagement portion via the power transfering part of advancing and retreat to the direction parallel with the axis of described movable belt wheel, movable belt wheel slides, therefore, do not need to arrange required a plurality of gears and the bearing part thereof of power transfering part of prior art.
Therefore, according to this invention, the miniaturization of power transfering part can be realized, consequently, the miniaturization of V variable v-belt drive integral body can be realized.
Preferably constitute, with respect to the axial direction of described movable belt wheel, be equipped with in described movable belt wheel and supporting between the bearing portion of belt shaft of this activity belt wheel, with the engagement portion of described power transfering part and this bearing portion in abutting connection with and configure.
By consisting of as mentioned above, when the mobile belt wheel was slided, with respect to belt shaft, even if the power on the direction of effect and this belt shaft quadrature, belt shaft also was difficult to bending, and movable belt wheel is slided swimmingly.
More preferably constitute, described engagement portion is engaging with the jut of described movable belt wheel across two relative positions of described belt shaft at least.
By consisting of as mentioned above, when the mobile belt wheel is slided, with respect to belt shaft, be difficult to act on the power on the direction with this belt shaft quadrature, belt shaft more is difficult to bending, and movable belt wheel is slided more swimmingly.
More preferably constitute, described power transfering part has the linking department that links with the output shaft of described driver element, the front-end face link of this linking department and described output shaft.
By consisting of as mentioned above, can eliminate, can reduce at least linking department around described output shaft front end to outstanding with direction of described V, thereby can prevent interference between linking department and the V band.
Description of drawings
Fig. 1 is that expression is as the side view of the equipment of small motor cart of an example of a mode of execution that uses V variable v-belt drive of the present invention;
Fig. 2 is the side view of this two-wheeled power unit with V variable v-belt drive;
Fig. 3 is that the III-III sectional drawing is omitted in the part of Fig. 2;
Fig. 4 is the partial enlarged drawing of Fig. 3;
Fig. 5 is that V is omitted to view in the part of Fig. 3;
Fig. 6 is the exploded perspective view of the major component of expression torque transfer part 110.
Description of reference numerals
51 main shaft 51a large-diameter portion 51b supports (minor diameter part)
51d stepped part 52 countershafts 53 V are with 60 driving pulleys
62 movable belt wheel 63 jut 63a opposing sides 64 moment of torsion transfer surfaces
66 buffer units, 67 cylinder parts, 70 driven pulleys
80 groove width changeable mechanisms, 90 driver elements, 91 output shafts
91a front-end face 92 reducing gear trains 100 power transfering parts
110 torque transfer part, 111 radial direction parts, 112 axial direction parts
120 engaging parts, 121 engagement portions, 130 connecting members, 133 linking departments
Embodiment
Below, with reference to the mode of execution of description of drawings V variable v-belt drive of the present invention.
Fig. 1 is that expression is as the side view of the equipment of small motor cart of an example of a mode of execution that uses V variable v-belt drive of the present invention, Fig. 2 is the side view of this two-wheeled power unit with V variable v-belt drive, and Fig. 3 is that the III-III sectional drawing is omitted in the part of Fig. 2.
As shown in Figure 1, this two-wheeled 10 is following vehicles, namely at the rear portion of vehicle frame 11, utilizes pivot 12 and rear buffer cell 13 to make power unit 20 can shake freely suspension around pivot 12 with respect to vehicle frame 11.In head tube 11h steering front fork 14 is installed freely, in the lower end of this front fork 14 front-wheel 15F is installed.Steering tiller 15 is installed on top at front fork 14.
Main structure as shown in Figure 3, motor 30 has: crankcase 31, cylinder body 32, cylinder cap 33, cylinder head cover 34.Be combined with the cylinder body 32 that points to general horizontal direction at the front end of crankcase 31, be combined with cylinder cap 33 at the front end of this cylinder body 32, be combined with cylinder head cover 34 at the front end of this cylinder cap 33.
Ball bearing 31b, 31b rotatably support that utilization is kept by crankcase 31 have bent axle 31c, are provided with slidably piston 32p in cylinder body 32.Bent axle 31c and piston 32p are linked by connecting rod 32c, utilize moving back and forth of piston 32p, bent axle 31c rotation.Bent axle 31c consists of main shaft 51 described later.Be connected with suction tude 35 (Fig. 1) and the outlet pipe 36 (Fig. 1) that is communicated with firing chamber 33c at cylinder cap 33.Be connected with fuel supplying device 35a and air-strainer 35c in suction tude shown in Figure 2 35.Be connected with baffler (not shown) at venting gas appliance 36.
In Fig. 3, reference character 30p is spark plug, 30c is the valve camshaft of being located in the cylinder head cover 34 and being driven in rotation from bent axle 31c via chain c, and 31g is generator, and this generator has the stator that flexing axle 31c arranges and the rotor that is fixed in bent axle 31c in crankcase cover 31e.
Gearbox shown in Figure 3 (also referred to as case) 40 consists of as the case of a part that consists of aforementioned power unit 20.This case 40 have right case 40R and with the left case 40L of its combination.Right case 40R and above-mentioned crankcase 31 are made integratedly.Be combined with the gearbox cover 40C that consists of gear-box (40G) at the rear portion of right case 40R, this gear-box slows down the rotation of countershaft 52 and is passed to rear-wheel spindle 55.
Fig. 4 is the partial enlarged drawing of Fig. 3, and Fig. 5 is that V is omitted to view in the part of Fig. 3.
Main structure as shown in Figure 3, V variable v-belt drive 50 has: be used as the driving pulley 60 of main shaft 51 supporting of the first belt shaft, the driven pulley 70 that is used as countershaft 52 supportings of the second belt shaft, the V that is hung between this driving pulley 60 and the driven pulley 70 and be with 53.In addition, this V variable v-belt drive 50 has: take in described driving pulley 60, driven pulley 70 and V with 53 case 40; Change the groove width changeable mechanism 80 (Fig. 4) of the groove width of described driving pulley 60; Make the driver element 90 of these groove width changeable mechanism 80 actions; The power transfering part 100 that the power of this driver element 90 is transmitted to described groove width changeable mechanism 80.
In addition, groove width changeable mechanism 80 (these power transfering part 100 grades similarly) both can constitute the groove width that changes driven pulley 70 and substitute the groove width that changes driving pulley 60, also can constitute the groove width of change driving pulley 60 and the groove width of driven pulley 70.Therefore, when being called in the present invention " belt shaft ", refer to the first and/or second belt shaft.
One of the V variable v-belt drive 50 of this mode of execution is characterised in that, driver element 90 and power transfering part 100 are disposed in the case 40.
Below, the structure of V variable v-belt drive 50 is described successively.
As shown in Figure 3, Figure 4, in this embodiment, main shaft 51 is made of bent axle 31c as previously mentioned.
As shown in Figure 4, in this embodiment, be provided with groove width changeable mechanism 80 at driving pulley 60.
Groove width changeable mechanism 80 is for the mechanism that changes the interval, and namely by making movable belt wheel 62 along support 51b main shaft 51, support movable belt wheel 62 to endwisely slipping, the groove width that changes belt wheel 60 is the interval of fixed pulley 61 and movable belt wheel 62.
Groove width changeable mechanism 80 has: the torque transfer part 110 that can not arrange with the relative rotation with respect to belt shaft 51; Be located at movable belt wheel 62 and between itself and torque transfer part 110, carry out the jut 63 that moment of torsion transmits.
Fig. 6 is the exploded perspective view of the major component of expression torque transfer part 110.
Such as Fig. 4～shown in Figure 6, torque transfer part 110 has: the radial direction part 111 of extending to the radial direction of belt shaft 51, the axial direction part 112 that is arranged at this radial direction part 111 and extends along axial direction integratedly.Axial direction part 112 is compared opposing side (being in this embodiment the inner peripheral surface of jut 63) 63a movable belt wheel 62, relative with the support 51b of the support movable belt wheel 62 of belt shaft 51, is positioned at the outside of radial direction.Axial direction part 112 is provided with a plurality of (in this embodiment along circumferentially being provided with equally spacedly three).
The radial direction part 111 of torque transfer part 110 is constructed as follows shape, namely makes discoideus part 111a be to extend radially along radial direction at three positions and arranges, and the front end that section is set in this extension forms respectively axial direction part 112.
At the jut 63 of movable belt wheel 62, be provided with the moment of torsion transfer surface 64 of transmitting torque between the axial direction part 112 of itself and torque transfer part 110.This moment of torsion transfer surface 64 can relatively move along axial direction with respect to axial direction part 112.
At the jut 63 of movable belt wheel 62, be provided with the hole 65 of the axial direction part 112 of inserting torque transfer part 110.The cross section in this hole 65 is fan-shaped, and is corresponding and roughly identical with the cross section of axial direction part 112.This hole 65 end face in a circumferential direction forms moment of torsion transfer surface 64.Under axial direction part 112 was inserted into state in the hole 65 of jut 63, as mentioned above, axial direction part 112 was compared the inner peripheral surface 63a of jut 63 and is positioned at the outside of radial direction.
Between the moment of torsion transfer surface 64 of the axial direction part 112 of torque transfer part 110 and jut 63, be provided with the buffer unit 66 of synthetic resin system (for example in polyamide resin (for example PA66) mixed hardening material (for example carbon) and form the material of desirable hardness).
It is inboard that buffer unit 66 is installed on the front end of axial direction part 112 of torque transfer part 110, has the shape that the front end with axial direction part 112 adapts.Buffer unit 66 shown in Figure 6 is one-body molded that has such as lower member, namely has: the Curved inner circle wall 66a of section, the 66b of two side section, 66b, bottom wall portion 66c and the projection 66d that gives prominence to the radial direction outside at the 66a of inner circle wall section.
Projection 66d and the hole 112d of axial direction part 112 by making the 66a of inner circle wall section is chimeric and make the interior side engagement of the fore-end of the 66a of inner circle wall section and axial direction part 112 for buffer unit 66, thereby is installed in the fore-end of axial direction part 112.
Under the state that buffer unit 66 is installed, axial direction part 112 is inserted in the hole 65 of jut 63 in the lump with buffer unit 66.Under buffer unit 66 was inserted into state in the hole 65, the outer side surface 66b1 of the side wall portion 66b of buffer unit 66 consisted of the moment of torsion transfer surface with moment of torsion transfer surface 64 butts of jut 63.
Although buffer unit 66 can be with axial direction part 112 in the lump along axial direction in the 65 interior slips of the hole of jut 63, but because the projection 66d of buffer unit 66 engages with the hole 112d of axial direction part 112, therefore, even if axial direction part 112 is slided, buffer unit 66 can not come off from axial direction part 112 yet.
In addition, in Fig. 6, show the structure that buffer unit 66 is installed on the front end inboard of axial direction part 112, but buffer unit 66 also can constitute the structure in the front end outside that is installed on axial direction part 112.In addition, can not constitute yet and in axial direction part 112 buffer unit 66 is installed, at this moment, the moment of torsion transfer surface of moment of torsion transfer surface 64 butts of the side of axial direction part 112 formation and jut 63.
In Fig. 5, Fig. 6, reference character 67 is cylinder parts.This cylinder part 67 passes the jut 63 of movable belt wheel 62 and is installed on the minor diameter part 51b of belt shaft 51.As shown in Figure 4, at the front end of minor diameter part 51b double nut 68 is installed, is utilized this double nut 68, tightening torque transferring elements 110, cylinder part 67 and fixed pulley 61 between the stepped part 51d of itself and main shaft 51, and be fixed on the minor diameter part 51b.That is, by an end 67a and the described stepped part 51d clamping radial direction part 111 of utilizing cylinder part 67, torque transfer member 110 can not be fixed with the relative rotation with respect to belt shaft 51.In addition, grip belt wheel 61 by the other end 67b and the double nut 68 that utilizes cylinder part 67, it can not be fixed with the relative rotation with respect to belt shaft 51.
As mentioned above, insert in the hole 65 of jut 63 by the axial direction part 112 that makes torque transfer part 110, movable belt wheel 62 can not relatively rotate with respect to belt shaft 51 and can install slidably.
Such as Fig. 4, shown in Figure 5, in the periphery of the jut 63 of movable belt wheel 62, dispose the engaging part 120 that this activity belt wheel 62 is slided.For engaging part 120, describe in detail in the back in the lump with power transfering part 100.
Such as Fig. 4, shown in Figure 5, driver element 90 has: take in motor (actuating motor) M (Fig. 5) as driving source motor part M1 (Fig. 4), utilize the output shaft 91 of this driver element 90 that the power of motor M moves, this output shaft 91 configures abreast with described main shaft 51.In addition, when utilizing driver element 90 to make the groove width change of driven pulley 70, output shaft 91 configures abreast with countershaft 52.
Fastening with the assembly department 41 (Fig. 3) that is arranged in the case 40 by utilizing screw 95 will take in the gear-box 94 of reducing gear train 92, thus, driver element 90 is fixed in case 40.In this embodiment, constitute, by utilizing screw 42 releasably to be installed on left case 40L, thereby utilize the side cover 40LC of a part that consists of left case 40L to cover gear-box 94 (being driver element 90), thus, driver element 90 is accommodated in the case 40, but also can constitutes, side cover 40LC and left case 40L fully are integrally formed and driver element 90 and power transfering part 100 are accommodated in the case 40.
As shown in Figure 4, the motor part M1 that the front end 91a of output shaft 91 compares driver element 90 is with 53 side-prominent to V, from the direction of output shaft 91 quadratures, at least a portion 91c of this output shaft 91 is disposed in the bandwidth W of described V band.Motor part M1 is disposed at outside the bandwidth W.Such as Fig. 2, shown in Figure 5, from the axial direction of output shaft 91, V with 53 rotating locus 53i in, output shaft 91 is disposed on the line L1 that main shaft 51 and countershaft 52 linked.As shown in Figure 4, reducing gear train 92 is disposed at V with outside 53 the bandwidth W, and as shown in Figure 5, from the axial direction of output shaft 91, reducing gear train 92 is with 53 overlappingly configurations with V.
Such as Fig. 4, shown in Figure 5, power transfering part 100 is used for the power of driver element 90 is transmitted to described groove width changeable mechanism 80, and has above-mentioned engaging part 120 and connecting member 130.Engaging part 120 and connecting member 130 are by screw 131 combinations.Connecting member 130 utilizes screw 132 and output shaft 91 combinations.Therefore, when output shaft 91 advance and retreat were mobile, also therewith advance and retreat were mobile for engaging part 120 and connecting member 130.
As shown in Figure 4, the linking department 133 that links with output shaft 91 in the connecting member 130 is with the front-end face 91e link of output shaft 91.
As shown in Figure 5, engaging part 120 has the engagement portion 121 that indirectly engages with the jut 63 of movable belt wheel 62 and movable belt wheel 62 is slided.As shown in Figure 4, in the periphery of the jut 63 of movable belt wheel 62, bearing 69 can not be fixed slidably along the axial direction of jut 63.In the periphery of this bearing 69, similarly, can not be fixed with slidably snap rings 122 along axial direction.In the periphery of snap rings 122, be provided with the engagement groove 123 of ring-type, the engagement portion 121 of above-mentioned engaging part 120 engages with this engagement groove 123.Like this, although in the illustrated case, the engagement portion 121 that makes engaging part 120 indirectly (via snap rings 122 and bearing 69) engages with the jut 63 of movable belt wheel 62, and engagement portion 121 is directly engaged with jut 63.
As shown in Figure 4, with respect to the axial direction of movable belt wheel 62, between movable belt wheel 62 and the bearing portion 31b to belt shaft 51 supporting that this activity belt wheel 62 is installed, engagement portion 121 and this bearing portion 31b in abutting connection with and configure.That is, engagement portion 121 is positioned as close to bearing portion 31b and configures.Engagement portion 121 is preferably across belt shaft 51 and two relative positions engage with the jut 63 of movable belt wheel 62 at least, in this embodiment, engagement portion 121 is being the engaging of point-symmetric two positions with respect to belt shaft 51 rotating center of jut 63 (namely with respect to).
As shown in Figure 3, the driven shaft of V variable v-belt drive 50 is that countershaft 52 rotates left case 40L and the gearbox cover 40C that is supported on freely above-mentioned case 40.On this countershaft 52, be provided with driven pulley 70 via centrifugal clutch 54.
Driven pulley 70 has fixed pulley (fixedly halfbody) 71 and movable belt wheel (movable halfbody) 72.Ring-type V is with 53 to hang on above-mentioned driving pulley 60 and driven pulley 70, and the rotation of driving pulley 60 is passed to driven pulley 70.When the rotating speed of driven pulley 70 surpassed the regulation rotating speed, the centrifugal clutch 54 that is arranged between driven pulley 70 and the countershaft 52 became coupled condition, and countershaft 52 begins rotation.
The rotation of countershaft 52 is slowed down and train of gearings (gear-box) 40G that is passed to rear-wheel spindle 55 has: be located at countershaft 52 gear 52g, with the large diameter gear 141 of this gear 52g engagement, diameter than this gearwheel 141 small gear 142 little and that rotate in the lump with gearwheel 141 and the gearwheel 143 that meshes with this small gear 142.Gearwheel 143 is not installed on this rear-wheel spindle 55 revolvably with respect to rear-wheel spindle 55.
Therefore, the rotation of countershaft 52 is slowed down and is passed to rear-wheel spindle 55, thereby drives the trailing wheel 15R (Fig. 1) that installs at rear-wheel spindle 55.
Movable belt wheel 72 in the driven pulley 70 is installed vertically with respect to countershaft 52 with can move freely.Movable belt wheel 72 utilizes helical spring 73 to be applied in active force to the direction near fixed pulley 71, and corresponding to acting on the tension force of V with 53, movable belt wheel 72 is mobile vertically.Namely, at the movable belt wheel 62 of driving pulley 60 along the direction displacement that groove width is narrowed down, and when V increases with 53 roll diameters of reeling on the driving pulley 60, therewith correspondingly, be wound on V on the driven pulley 70 and be with 53 to be pulled to driving pulley 60 sides, acting on V increases with 53 tension force, because of the increase of this tension force, the movable belt wheel 72 of driven pulley 70 is along the direction displacement that makes groove width expansion, and V reduces with 53 roll diameters of reeling on the driven pulley 70, thus, countershaft 52 High Rotation Speeds.When making the direction displacement of groove width expansion, move on the contrary countershaft 52 low speed rotation at the movable belt wheel 62 of driving pulley 60 with above-mentioned situation.
Utilize the control of not shown control device to move at driver element 90, and in Fig. 4, output shaft 91 is when outstanding and movable belt wheel 62 slides to the X1 direction to arrow X1 direction, interval between fixed pulley 61 and the movable belt wheel 62 increases, V reduces with 53 roll diameters of reeling to driving pulley 60, and V increases with 53 roll diameters of reeling to driven pulley 70, trailing wheel 15R drives with low speed rotation, so that it also can bear high load.In contrast, slide and movable belt wheel 62 when sliding to the X2 direction to arrow X2 direction at output shaft 91, interval between fixed pulley 61 and the movable belt wheel 62 narrows down, V increases with 53 roll diameters of reeling to driving pulley 60, and, V reduces with 53 roll diameters of reeling to driven pulley 70, and trailing wheel 15R drives with High Rotation Speed.
According to above-described V variable v-belt drive 50, can obtain action effect as described below.
(a) driver element 90 has the output shaft parallel with the axis of movable belt wheel 62 91, make this output shaft 91 to the axial direction advance and retreat of this output shaft 91, power transfering part 100 has engagement portion 121, this engagement portion 121 is with output shaft 91 interlocks of advancing and retreat along axial direction and to the direction advance and retreat parallel with the axis of movable belt wheel 62, directly or indirectly engage with the jut 63 of this activity belt wheel 62 and make movable belt wheel 62 slips, therefore, can obtain action effect as described below.Namely, because driver element 90 has and the axis of the movable belt wheel 62 mobile output shaft 91 of advancing and retreat abreast, advance and retreat according to output shaft move, engagement portion 121 via the power transfering part 100 of advancing and retreat to the direction parallel with the axis of movable belt wheel 62, movable belt wheel 62 slides, therefore, do not need to arrange required a plurality of gears and the bearing part thereof of power transfering part of prior art.
Therefore, the miniaturization of power transfering part 100 can be realized, consequently, the miniaturization of V variable v-belt drive 50 integral body can be realized.
(b) with respect to the axial direction of movable belt wheel 62, be equipped with between the bearing portion 31b of belt shaft 51 of this activity belt wheel 62 at movable belt wheel 62 and supporting, the engagement portion 121 of power transfering part 100 is configured with this bearing portion 31b adjacency, therefore, 121 when sliding movable belt wheel 62 in the engagement portion, with respect to belt shaft 51, even if the power on the direction of effect and these belt shaft 51 quadratures, belt shaft 51 also is difficult to bending, and movable belt wheel 62 is slided swimmingly.
(c) engaging with the jut 63 of movable belt wheel 62 across belt shaft 51 at least two relative positions owing to engagement portion 121, therefore, 121 when sliding movable belt wheel 62 in the engagement portion, with respect to belt shaft 51, be difficult to act on the power on the direction with this belt shaft quadrature, belt shaft 51 more is difficult to bending, and movable belt wheel 62 is slided more swimmingly.
(d) because power transfering part 100 has the linking department 133 that the output shaft 91 with driver element 90 links, this linking department 133 links with the front-end face 91e of output shaft 91, therefore, can eliminate, can reduce at least linking department 133 around the front end of output shaft 91 to outstanding with 53 directions of V, thereby can prevent that linking department 133 and V are with the interference between 53.
Above, embodiments of the present invention are illustrated, but the present invention is not limited to above-mentioned mode of execution, in the scope of purport of the present invention, can implement suitable distortion.
Claims (4)
1. V variable v-belt drive has: driving pulley, and it is by main shaft supporting; Driven pulley, it is supported by countershaft; The V band, it is hung between this driving pulley and the driven pulley; The groove width changeable mechanism, it slides to change the groove width of belt wheel along the axial direction of this activity belt wheel by the movable belt wheel that makes described driving pulley and/or driven pulley; Driver element, it makes this groove width changeable mechanism action; Power transfering part, its power with this driver element transmits to described groove width changeable mechanism, and this V variable v-belt drive is characterised in that,
Described driver element has the output shaft parallel with the axis of described movable belt wheel, make this output shaft to the axial direction advance and retreat of this output shaft, described power transfering part has the engagement portion, this engagement portion is with the output shaft interlock of advancing and retreat along described axial direction and to the direction advance and retreat parallel with the axis of described movable belt wheel, indirectly engage with the jut of this activity belt wheel and make the slip of described mobile belt wheel
Periphery at the jut of described movable belt wheel, bearing can not be fixed slidably along the axial direction of described jut, and, in the periphery of described bearing, can not be fixed with slidably snap rings along axial direction, engage described engagement portion at the engagement groove that is arranged on described snap rings.
2. V variable v-belt drive as claimed in claim 1, it is characterized in that, with respect to the axial direction of described movable belt wheel, be equipped with in described movable belt wheel and supporting between the bearing portion of belt shaft of this activity belt wheel, with the engagement portion of described power transfering part and this bearing portion in abutting connection with and configure.
3. V variable v-belt drive as claimed in claim 2 is characterized in that, described engagement portion is engaging with the jut of described movable belt wheel across two relative positions of described belt shaft at least.
4. such as each described V variable v-belt drive in the claim 1～3, it is characterized in that, described power transfering part has the linking department that links with the output shaft of described driver element, the front-end face link of this linking department and described output shaft.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009047425A JP5269646B2 (en) | 2009-02-28 | 2009-02-28 | V-belt continuously variable transmission for motorcycles |
| JP047425/09 | 2009-02-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101818792A CN101818792A (en) | 2010-09-01 |
| CN101818792B true CN101818792B (en) | 2013-02-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010126230 Expired - Fee Related CN101818792B (en) | 2009-02-28 | 2010-02-26 | V-belt continuously variable transmission |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5269646B2 (en) |
| CN (1) | CN101818792B (en) |
| IT (1) | IT1399044B1 (en) |
| TW (1) | TWI435011B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6251594B2 (en) * | 2014-02-24 | 2017-12-20 | 本田技研工業株式会社 | V-belt type continuously variable transmission for saddle riding type vehicle |
| JP2016142384A (en) * | 2015-02-04 | 2016-08-08 | Ntn株式会社 | Electric actuator and v-belt type continuously variable transmission using the same |
| CN107468730A (en) * | 2017-09-07 | 2017-12-15 | 无限极（中国）有限公司 | A kind of Chinese medicine composition and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1900554A (en) * | 2005-07-20 | 2007-01-24 | 本田技研工业株式会社 | V-belt type continuous speed changing transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0612142B2 (en) * | 1986-10-16 | 1994-02-16 | バンドー化学株式会社 | Variable pulley device |
| JPS63303247A (en) * | 1987-05-30 | 1988-12-09 | Diesel Kiki Co Ltd | Automatic transmission device |
| JPH0312056U (en) * | 1989-06-15 | 1991-02-07 | ||
| JP2000283261A (en) * | 1999-03-29 | 2000-10-13 | Okuma Corp | Movable body driving device |
| JP4490993B2 (en) * | 2007-06-12 | 2010-06-30 | 本田技研工業株式会社 | V-belt type continuously variable transmission and vehicle power unit |
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2009
- 2009-02-28 JP JP2009047425A patent/JP5269646B2/en not_active Expired - Fee Related
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2010
- 2010-01-05 TW TW99100068A patent/TWI435011B/en not_active IP Right Cessation
- 2010-01-28 IT ITTO2010A000053A patent/IT1399044B1/en active
- 2010-02-26 CN CN 201010126230 patent/CN101818792B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1900554A (en) * | 2005-07-20 | 2007-01-24 | 本田技研工业株式会社 | V-belt type continuous speed changing transmission |
Non-Patent Citations (3)
| Title |
|---|
| JP昭63-225753A 1988.09.20 |
| JP特开2000-283261A 2000.10.13 |
| JP特开2007-263373A 2007.10.11 |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI435011B (en) | 2014-04-21 |
| CN101818792A (en) | 2010-09-01 |
| TW201037190A (en) | 2010-10-16 |
| JP5269646B2 (en) | 2013-08-21 |
| IT1399044B1 (en) | 2013-04-05 |
| ITTO20100053A1 (en) | 2010-08-29 |
| JP2010203483A (en) | 2010-09-16 |
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