CN203604492U - All-terrain vehicle stepless speed change clutch of flyweight centrifugal mechanism - Google Patents
All-terrain vehicle stepless speed change clutch of flyweight centrifugal mechanism Download PDFInfo
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- CN203604492U CN203604492U CN201320759478.3U CN201320759478U CN203604492U CN 203604492 U CN203604492 U CN 203604492U CN 201320759478 U CN201320759478 U CN 201320759478U CN 203604492 U CN203604492 U CN 203604492U
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- 238000005096 rolling process Methods 0.000 claims abstract description 22
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 210000000003 hoof Anatomy 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000002153 concerted effect Effects 0.000 description 2
- 239000002783 friction material Substances 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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Abstract
The utility model provides an all-terrain vehicle stepless speed change clutch of a flyweight centrifugal mechanism. The clutch comprises a driving speed change wheel, a transmission belt and a driven speed change wheel, wherein the driving speed change wheel comprises a driving disk assembly, a one-way device, an abrasion reduction cushion, a spring base, a driving pressure spring, a driving moving wheel assembly and a rolling wheel base assembly, the driven speed change wheel comprises an output shaft, a pawl, a driven pressure spring, a driven moving wheel assembly, a driven fixed wheel assembly, a driven fixed shaft and a rolling bearing, and the driving moving wheel assembly is connected with the driven moving wheel assembly through the transmission belt. The structure of the stepless speed change clutch is simplified, reliability is improved, manufacturing cost is reduced, and the working life is prolonged; meanwhile, transmission loss caused by friction is reduced, effective output power of an engine is increased, the starting accelerating performance and the gradeability of an all-terrain vehicle are improved, and oil consumption is reduced; the transmission belt larger in flexibility is adopted for replacing a friction centrifugal shoe block to serve as a transmission connection component, the clutch is more stable, more flexible and smoother in the transmission connection process, and driving comfort is improved.
Description
Technical field
The utility model relates to the technical field of transmission clutch, especially a kind of stepless speed change clutch that is applicable to beach buggy.
Background technique
Stepless speed change clutch is the vitals of automotive power, and it realizes clutch and the automatic stepless speed change of transmission system by the variation of engine speed.Conventionally, in the time that engine crankshaft rotational velocity is lower, the centrifugal force of the centrifugal hoof piece of friction of beach buggy stepless speed change clutch is less than the pulling force that separates extension spring, the centrifugal hoof piece that rubs does not open with friction disk and contacts, power does not reach initiatively change pulley, now initiatively change pulley and secondary change pulley do not rotate, in transmission separated state; Along with engine crankshaft rotating speed raises, when the centrifugal force that the centrifugal hoof piece that rubs produces is greater than the pulling force that separates extension spring, the centrifugal hoof piece that rubs opens with friction disk assembly and engages, friction disk assembly drives initiatively change pulley to realize torque input by splined, and initiatively change pulley drives driven change pulley to rotate by belt and realizes torque output; In the time that engine crankshaft rotating speed further changes, by the elastic force correlation of the Compress Spring in centrifugal thrust and driven speed changer that in movable pulley, centrifugal ball produces, realize the change of driving belt working diameter on active change pulley and driven change pulley, thereby reach infinite variable speed object.But above-mentioned technology exists following not enough:
1) there is larger two places loss in transmission of power on active change pulley and driven change pulley: being first the friction driving loss between driving belt and active change pulley and driven change pulley, is secondly the friction driving loss between the centrifugal hoof piece of friction and friction disk; Owing to there being the larger power loss in two places, the transmission efficiency of stepless speed change clutch is reduced greatly, affect effective outputting power of motor, reduce starting acceleration performance and the grade ability of vehicle, increased beach buggy oil consumption simultaneously;
2) vehicle is in the time of starting or low speed driving, owing to being subject to the impact of the factors such as centrifugal friction driving mechanism machining accuracy and friction material, make the frictional engagement that rubs between centrifugal hoof piece and friction disk not steady, easily produce and shake, send out the fault such as rush, skid, affect the comfort level of Vehicle Driving Cycle;
3) due to vehicle rub when the speed change centrifugal hoof piece all the time with friction disk contact friction, especially, in the time that load is larger, friction material loss is more serious, this centrifugal hoof piece that often occurs rubbing skids and ablation phenomenon.
Model utility content
The purpose of this utility model is to provide that a kind of transmission efficiency is high, smooth engagement, the beach buggy stepless speed change clutch that simple in structure, with low cost and reliability is higher, the starting acceleration and the grade ability that increase beach buggy reduce the oil consumption of dune buggy engine simultaneously.
In order to achieve the above object, the utility model provides following technological scheme: a kind of beach buggy stepless speed change clutch that flies piece centrifugal mechanism, comprise initiatively change pulley, driven change pulley and driving belt, wherein,
Initiatively change pulley comprises drive plate assembly, one-way element, anti-wear gasket, spring seat, initiatively stage clip, initiatively movable pulley combination, roller base combination, the bent axle cone match of described drive plate assembly and motor, described one-way element is connected with drive plate assembly, described active movable pulley combination is connected with drive plate assembly, described active stage clip is installed in the gap of one-way element and initiatively movable pulley combination, described roller base combination is connected with drive plate assembly, described one-way element connects anti-wear gasket, the described active movable pulley spring seat that is connected
Driven change pulley comprises output shaft, ratchet, driven stage clip, the combination of driven movable pulley, the combination of driven fast pulley, driven stationary axle and rolling bearing, described ratchet is connected with output shaft, described driven stationary axle is connected with output shaft, rolling bearing, described driven movable pulley combination is connected with driven stationary axle, described driven stationary axle coordinates with driven fast pulley combination by rolling bearing, described rolling bearing pressing is in the hole of driven fast pulley combination, described driven stage clip is arranged in the gap of ratchet and the combination of driven movable pulley
Initiatively the combination of the active movable pulley of change pulley connects the driven movable pulley combination of driven change pulley by driving belt.
Further technological scheme, described drive plate assembly is press-fited and forms with the interference of active stationary axle by drive plate, and large end taper hole and small end taper hole are set on described active stationary axle, and described large end taper hole is connected with engine crankshaft, and described small end taper hole is connected with roller base.
Further technological scheme, described active movable pulley combination comprises active movable pulley, sliding bearing one, sliding bearing two, flies piece, rubber pad, groove, described active movable pulley evenly arranges groove, the described piece that flies is connected with groove, and fly, on the working surface of piece, rubber pad is set, described sliding bearing one, sliding bearing two are all connected with active movable pulley, and described sliding bearing one coordinates with spring seat cylindrical simultaneously, and sliding bearing two coordinates with active stationary axle cylindrical simultaneously.
Particularly, described groove is 6 with the quantity that flies piece.
Further technological scheme, described one-way element comprises one-way element seat, rolling bearing, guide finger, spring, wedge slot, in described unidirectional seat, there is wedge slot, described unidirectional seat, guide finger all connect the initiatively active stationary axle of change pulley, described rolling bearing connects unidirectional seat, also linking springs of described guide finger, arranges anti-wear gasket between described guide finger and spring, and described unidirectional seat cylindrical supports driving belt.
Further technological scheme, the combination of described roller base comprises roller base, frustum, stretches pawl, locating stud, roller, positioning rubber pad, described frustum is arranged in roller base, multiple pawls of stretching are evenly set in described roller base, described stretching arranges locating stud and roller on pawl, roller connects locating stud, and roller is connected with the piece that flies of initiatively movable pulley combination, and the two ends of described locating stud arrange positioning rubber pad.
The quantity of stretching pawl particularly, is 6.
Further technological scheme, described ratchet comprises flower keyboard, working of plastics, internal spline, and described flower keyboard is embedded in working of plastics, and described internal spline is arranged on flower keyboard.
Further technological scheme, described driven movable pulley combination comprises driven movable pulley, lining, oil sealing, axle sleeve, described driven movable pulley connecting bushing, described oil sealing connecting bushing, described axle sleeve is arranged on lining outer ring.
Remarkable result of the present utility model is: transmission clutch function is realized on active change pulley, has cancelled centrifugal friction clutch mechanism, has simplified the structure of stepless speed change clutch, has improved reliability, has reduced manufacture cost; Meanwhile, owing to having reduced the friction driving loss rubbing between centrifugal hoof piece and friction disk, correspondingly increase motor effective output, improved starting acceleration performance and the grade ability of beach buggy, and reduced oil consumption; In addition, because the utility model replaces the centrifugal hoof piece of friction to make transmission joint element with flexible larger driving belt, make transmission engaging process more steady, soft, smooth and easy, improved the comfortable feel of driving.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the utility model structural representation.
Fig. 2 is the structural representation of drive plate assembly in the utility model.
Fig. 3 is the structural representation of one-way element in the utility model.
Fig. 4 is the structural representation that in the utility model, initiatively movable pulley combines.
Fig. 5 is the structural representation of roller base combination in the utility model.
Fig. 6 is the structural representation that flies piece in the utility model.
Fig. 7 is the structural representation of ratchet in the utility model.
Wherein, 1, initiatively change pulley, 2, drive plate assembly, 2a, drive plate, 2b, initiatively stationary axle, 2c, large end taper hole, 2d, hole, 2e, small end taper hole, 3, one-way element, 3a, rolling bearing, 3b, unidirectional seat, 3c, guide finger, 3d, spring, 3e, wedge slot, 4, anti-wear gasket, 5, spring seat, 6, initiatively stage clip, 7, initiatively movable pulley combination, 7a, initiatively movable pulley, 7b, sliding bearing one, 7c, sliding bearing two, 7d, screw rod, 7e, fly piece, 7f, working curved surface, 7g, rubber pad, 7h, groove, 8, roller base combination, 8a, roller base, 8b, frustum, 8c, stretch pawl, 8d, locating stud, 8e, roller, 8f, positioning rubber pad, 9, the bent axle of external motor,
20, driving belt, 30, driven change pulley, 31, ratchet, 31a, flower keyboard, 31b, working of plastics, 31c, internal spline, 31d, curved surface, 32, driven stage clip, 33, driven movable pulley combination, 33a, driven movable pulley, 33b, lining, 33c, oil sealing, 33d, axle sleeve, 34, driven fast pulley combination, 34a, sliding bearing, 35, driven stationary axle, 35a, driven stationary axle unthreaded hole, 36, rolling bearing, 37, output shaft.
Embodiment
Below in conjunction with accompanying drawing of the present utility model, the technical solution of the utility model is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
Shown in Fig. 1, a kind of beach buggy stepless speed change clutch that flies piece centrifugal mechanism of the utility model, comprise initiatively change pulley, driven change pulley and driving belt, initiatively change pulley comprises drive plate assembly, one-way element, anti-wear gasket, spring seat, initiatively stage clip, initiatively movable pulley combination, roller base combination, driven change pulley comprises output shaft, ratchet, driven stage clip, the combination of driven movable pulley, the combination of driven fast pulley, driven stationary axle and rolling bearing, and initiatively the combination of the active movable pulley of change pulley connects the driven movable pulley combination of driven change pulley by driving belt.
Driven movable pulley combination is made up of driven movable pulley, lining, oil sealing and axle sleeve.In driven movable pulley, hole is set, bushing press-mounting is in driven mobile hole, and lining coordinates with the cylindrical of driven stationary axle, and oil seal pressing seals on the both sides of lining, and axle sleeve is arranged on lining outer ring.The combination of driven movable pulley can slide axially along driven stationary axle, driven mobile combination and driven fast pulley combination coordinate can together with rotate.Driven fast pulley combination coordinates with driven stationary axle by rolling bearing, and driven stationary axle is fitted in rolling bearing endoporus also rotatable.Rolling bearing pressing is in the hole of driven fast pulley combination, and driven stationary axle coordinates with output shaft, urgent by bolt and output shaft.If the combination of driven fast pulley is subject to driving belt torque while rotating, driven fast pulley combination drives driven movable pulley combination to rotate, then transmission of torque the ratchet to driven change pulley, ratchet drives output shaft rotation to realize torque output.
Driven change pulley comprises ratchet, driven stage clip, the combination of driven movable pulley, the combination of driven fast pulley, driven stationary axle and rolling bearing.
As Fig. 7 ratchet is embedded in working of plastics and is formed by flower keyboard, the internal spline of flower keyboard coordinates output torque with output shaft external splines.Ratchet working surface is three uniform suite faces, and curved surface coordinates with driven movable pulley combination, guarantees the effect that speed change is mild and have the increasing of slowing down to turn round.Driven stage clip one end is contained in ratchet inner chamber, and the other end is contained in the axle sleeve outside of driven movable pulley combination.
As Fig. 2, drive plate assembly is fitted in drive plate endoporus by active stationary axle and forms, and initiatively stationary axle arranges two taper holes, holds greatly taper hole to be connected with the bent axle of external motor, and small end taper hole coordinates with roller base.
As Fig. 2 and Fig. 3, initiatively stationary axle cylindrical arranges two holes, and guide finger is housed in hole, and spring is contained in guiding cotter way and guide finger is had to one toward interior thrust.Rolling bearing pressing is in unidirectional seat hole, and unidirectional seat is arranged on active stationary axle cylindrical, and unidirectional seat cylindrical supports driving belt, and endoporus has wedge slot.Forward in the time that unidirectional seat climbs direction rotation along wedge slot, guide finger is not limited, and unidirectional seat can flexible rotating; When one-way element seat reverses in the time that wedge slot descent direction rotates, guide finger stretches out by unidirectional seat straight trough spacing under spring force effect, cannot rotate, Here it is one-way function.One-way element right-hand member is spring seat, has anti-wear gasket in the middle of both, initiatively stage clip one end of spring seat inner chamber dress, and the drive spring the other end connects initiatively movable pulley.
As Fig. 4, initiatively movable pulley combination comprises active movable pulley, sliding bearing one, sliding bearing two, flies piece, groove, and wherein, sliding bearing one coordinates with spring seat cylindrical, sliding bearing two coordinates with active stationary axle cylindrical, and initiatively movable pulley combination can slide axially.Initiatively movable pulley evenly arranges 6 grooves, and groove is connected and flown piece by screw rod.In Fig. 6, the working surface that flies piece is curved surface, with the surface of contact of active movable pulley on increased rubber pad, reduced operating noise, reduced and impacted and wearing and tearing.
As Fig. 5, roller base combination comprises roller base, frustum, stretches pawl, locating stud, roller, positioning rubber pad, and frustum is set in roller base, and frustum is connected with the small end conical surface of active stationary axle, the small end conical surface is locked at by screw rod on the bent axle of motor, and therefore roller base combination is fixed.Roller base is evenly distributed with 6 and stretches pawl, and 6 stretch pawl coordinates with 6 grooves of active movable pulley, stretches on pawl locating stud and roller are set, and roller connects locating stud, can rotate around locating stud, and contact with the curved surface that flies piece.Positioning rubber pad is equipped with at the two ends of locating stud, plays buffer wearproof effect.
Working procedure of the present utility model is as follows:
After beach buggy starts, engine crankshaft rotates, the centrifugal force that flies piece generation produces end thrust to active movable pulley, if when the rotating speed of engine crankshaft is less than the engaging rotating speed of requirement, flies piece the end thrust of active movable pulley is less than to the initiatively elastic force of stage clip, initiatively movable pulley and drive plate are in opening maximal clearance, driving belt both sides do not contact with drive plate with active movable pulley, one-way element forward, and therefore driving belt does not rotate, without torque output, form idling;
In the time that the rotating speed of engine crankshaft is increased to the engaging rotating speed of requirement, fly piece the end thrust of active movable pulley generation is greater than to the initiatively elastic force of stage clip, initiatively movable pulley moves axially and contacts with driving belt, and then promotion driving belt contacts with drive plate, drive plate and initiatively movable pulley drive driving belt to rotate, and driving belt rotates and drives driven change pulley to rotate, and in driven change pulley, ratchet rotates by the moving engine output shaft of internal spline lace, realize torque output, form jointing state.
If engine crankshaft rotating speed continues to raise, the centrifugal force that flies piece generation is larger, when the end thrust that is subject to flying piece when active movable pulley is greater than making a concerted effort that initiatively stage clip and driven stage clip effect form, initiatively movable pulley promotion driving belt moves outward along the conical surface of the formation of active movable pulley and drive plate, in the conical surface that driving belt forms at driven fast pulley and the driven movable pulley of driven change pulley simultaneously, move, the working diameter of driving belt on active change pulley increases, working diameter on driven change pulley reduces, and forms acceleration mode.
In the time that engine crankshaft rotating speed reduces, the end thrust that initiatively movable pulley is subject to flying piece is less than making a concerted effort that initiatively stage clip and driven stage clip effect form, driven stage clip promotes driven movable pulley and moves to driven fast pulley direction, thereby promoting driving belt outwards moves along the conical surface of driven movable pulley and the formation of driven fast pulley, simultaneously, driving belt moves along drive plate with in the conical surface that initiatively movable pulley forms on active change pulley, driving belt working diameter on driven change pulley increases, on active change pulley, working diameter reduces, and forms deceleration regime.
When engine crankshaft rotating speed is reduced to while requiring below engaging rotating speed, initiatively stage clip promotion active moving shaft opens interstitial site to moving to drive plate maximum, driving belt both sides do not contact completely with drive plate, active movable pulley, the inner ring of driving belt contacts with unidirectional seat cylindrical, realizing driving belt by rolling bearing rotates and separates with one-way element, now, driving belt is not subject to initiatively any driving moment of change pulley, driven change pulley inertia torque is decelerated to and stops gradually with loading moment effect, realizes transmission and separates.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should described be as the criterion with the protection domain of claim.
Claims (7)
1. fly a beach buggy stepless speed change clutch for piece centrifugal mechanism, comprise initiatively change pulley, driven change pulley and driving belt, it is characterized in that:
Initiatively change pulley comprises drive plate assembly, one-way element, anti-wear gasket, spring seat, initiatively stage clip, initiatively movable pulley combination, roller base combination, the bent axle cone match of described drive plate assembly and motor, described one-way element is connected with drive plate assembly, described active movable pulley combination is connected with drive plate assembly, described active stage clip is installed in the gap of one-way element and initiatively movable pulley combination, described roller base combination is connected with drive plate assembly, described one-way element connects anti-wear gasket, the described active movable pulley spring seat that is connected;
Driven change pulley comprises output shaft, ratchet, driven stage clip, the combination of driven movable pulley, the combination of driven fast pulley, driven stationary axle and rolling bearing, described ratchet is connected with output shaft, described driven stationary axle is connected with output shaft, rolling bearing, described driven movable pulley combination is connected with driven stationary axle, and coordinate with driven fast pulley combination, described rolling bearing pressing is in the hole of driven fast pulley combination, and described driven stage clip is arranged in the gap of ratchet and the combination of driven movable pulley;
Initiatively the combination of the active movable pulley of change pulley connects the driven movable pulley combination of driven change pulley by driving belt.
2. fly according to claim 1 the beach buggy stepless speed change clutch of piece centrifugal mechanism, it is characterized in that: described drive plate assembly is press-fited and forms with the interference of active stationary axle by drive plate, large end taper hole and small end taper hole are set on described active stationary axle, described large end taper hole is connected with engine crankshaft, and described small end taper hole is connected with roller base.
3. according to the beach buggy stepless speed change clutch that flies piece centrifugal mechanism described in claim 1 or 2, it is characterized in that: described driven movable pulley combination comprises driven movable pulley, lining, oil sealing, axle sleeve, described driven movable pulley connecting bushing, described oil sealing connecting bushing, described axle sleeve is arranged on lining outer ring.
4. according to the beach buggy stepless speed change clutch that flies piece centrifugal mechanism described in claim 1 or 2, it is characterized in that: described ratchet comprises flower keyboard, working of plastics, internal spline, described flower keyboard is embedded in working of plastics, and described internal spline is arranged on flower keyboard.
5. fly according to claim 2 the beach buggy stepless speed change clutch of piece centrifugal mechanism, it is characterized in that: described active movable pulley combination comprises active movable pulley, sliding bearing one, sliding bearing two, flies piece, rubber pad, groove, described active movable pulley evenly arranges groove, the described piece that flies is connected with groove, and fly, on the working surface of piece, rubber pad is set, described sliding bearing one, sliding bearing two are all connected with active movable pulley, described sliding bearing one coordinates with spring seat cylindrical simultaneously, and sliding bearing two coordinates with active stationary axle cylindrical simultaneously.
6. fly according to claim 2 the beach buggy stepless speed change clutch of piece centrifugal mechanism, it is characterized in that: described one-way element comprises one-way element seat, rolling bearing, guide finger, spring, wedge slot, in described unidirectional seat, wedge slot is set, described unidirectional seat, guide finger all connect the initiatively active stationary axle of change pulley, described rolling bearing connects unidirectional seat, also linking springs of described guide finger, between described guide finger and spring, anti-wear gasket is set, described unidirectional seat cylindrical supports driving belt.
7. fly according to claim 2 the beach buggy stepless speed change clutch of piece centrifugal mechanism, it is characterized in that: the combination of described roller base comprises roller base, frustum, stretches pawl, locating stud, roller, positioning rubber pad, described frustum is arranged in roller base, described roller base connects stretches pawl, described stretching arranges locating stud and roller on pawl, roller connects locating stud, and roller is connected with the piece that flies of initiatively movable pulley combination, and the two ends of described locating stud arrange positioning rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320759478.3U CN203604492U (en) | 2013-11-26 | 2013-11-26 | All-terrain vehicle stepless speed change clutch of flyweight centrifugal mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320759478.3U CN203604492U (en) | 2013-11-26 | 2013-11-26 | All-terrain vehicle stepless speed change clutch of flyweight centrifugal mechanism |
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| CN203604492U true CN203604492U (en) | 2014-05-21 |
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| CN201320759478.3U Expired - Lifetime CN203604492U (en) | 2013-11-26 | 2013-11-26 | All-terrain vehicle stepless speed change clutch of flyweight centrifugal mechanism |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329390A (en) * | 2014-10-27 | 2015-02-04 | 重庆长兴工业有限公司 | Centering multidirectional movement structure of motorcycle stepless speed changing clutch |
| CN104343851A (en) * | 2014-10-27 | 2015-02-11 | 重庆长兴工业有限公司 | Transmission mechanism for stepless speed change clutch |
| CN104373477A (en) * | 2014-10-27 | 2015-02-25 | 重庆长兴工业有限公司 | Stepless speed change clutch for motorcycle |
| CN107191581A (en) * | 2017-07-24 | 2017-09-22 | 台州恒投工贸有限公司 | A kind of special type is speed reducer dedicated |
-
2013
- 2013-11-26 CN CN201320759478.3U patent/CN203604492U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329390A (en) * | 2014-10-27 | 2015-02-04 | 重庆长兴工业有限公司 | Centering multidirectional movement structure of motorcycle stepless speed changing clutch |
| CN104343851A (en) * | 2014-10-27 | 2015-02-11 | 重庆长兴工业有限公司 | Transmission mechanism for stepless speed change clutch |
| CN104373477A (en) * | 2014-10-27 | 2015-02-25 | 重庆长兴工业有限公司 | Stepless speed change clutch for motorcycle |
| CN107191581A (en) * | 2017-07-24 | 2017-09-22 | 台州恒投工贸有限公司 | A kind of special type is speed reducer dedicated |
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Granted publication date: 20140521 |
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| CX01 | Expiry of patent term |