CN203641427U - Cone wheel continuously variable transmission - Google Patents
Cone wheel continuously variable transmission Download PDFInfo
- Publication number
- CN203641427U CN203641427U CN201320698945.6U CN201320698945U CN203641427U CN 203641427 U CN203641427 U CN 203641427U CN 201320698945 U CN201320698945 U CN 201320698945U CN 203641427 U CN203641427 U CN 203641427U
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- China
- Prior art keywords
- wheel
- cone pulley
- taper cone
- driven small
- small gear
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Abstract
The utility model relates to a cone wheel continuously variable transmission and belongs to the field of vehicular transmissions. The cone wheel continuously variable transmission comprises a continuously variable mechanism with an input shaft and an output end, wherein a cone wheel is arranged on the input shaft; a thread groove is formed in the conical surface of the cone wheel; a sliding rod is fixedly arranged in a transmission enclosure; a sliding block is arranged on the sliding rod; a push rod is connected onto the sliding block; a bearing is sleeved with the other end of the push rod; a wheel axle is arranged in the bearing; a driven pinion meshed with the thread groove is connected to the wheel axle. The cone wheel continuously variable transmission further comprises a sliding rail; a track for assisting the driven pinion in meshed moving along the thread groove is arranged on the sliding rail; the wheel axle is connected to a universal slip joint; the other end of the universal slip joint is connected to the output end. Due to the adoption of the technical scheme provided by the utility model, the driven pinion moves parallel to a conical surface of the cone wheel under the limiting action of the sliding rail in the transmission process and is meshed with the thread groove of the cone wheel, and further smooth speed change of the transmission can be ensured; meanwhile, the continuously variable transmission has the advantages of simple structure and lower cost.
Description
Technical field
The utility model belongs to vehicular transmission field, is specifically related to a kind of taper cone pulley stepless speed variator.
Background technique
In Vehicle Driving Cycle process, in order to meet automobile requirement to tractive force and travelling speed under different driving conditions, speed changer all must be housed in all vehicles; The major function of speed changer is to regulate motor finally to output to torsional moment and the rotating speed at wheel place by speed change, to meet automobile requirement to drag torque and speed in the time that difference is used state.
In existing vehicular transmission, use the most general following two kinds of speed changers:
One, the stepless speed variator of the chain-type of chain or belt; Its deficiency is: chain or belt more or less there will be skidding, and shortcoming is that power waste, speed-raising are slow, chain band is easy to wear, can only be used for the motor under 1.4 left and right discharge capacities.
Two, gear-engaged type manual or automatic machinery speed changer, this speed changer is to adopt the gear that multiple numbers of teeth are different intermeshing, its deficiency is: in the time needing in vehicle traveling process to obtain different drive ratios value, speed changer will again separate and reselect engagement between pitch wheel, like this under high-speed gear motion state, the problem such as pitch wheel separates and reselect that engagement just exists that speed change is unsmooth again, power waste, cost are high.
Model utility content
The taper cone pulley stepless speed variator that provides a kind of speed change level and smooth, simple in structure is provided the purpose of this utility model.
In order to achieve the above object, the utility model adopts such technological scheme:
A kind of taper cone pulley stepless speed variator, comprise gearbox case and be arranged at the stepless speed changing mechanism in gearbox case, described stepless speed changing mechanism has input shaft and output terminal, also comprise and wear the taper cone pulley being connected on described input shaft, described taper cone pulley both ends of the surface are made as minor diameter end face and major diameter end face, between minor diameter end face and major diameter end face, it is conical surface, on described conical surface, be laid with thread groove, also comprise the slide bar being fixed in speed changer casing, slide bar is provided with slide block, on slide block, be hinged with push rod, the other end of push rod is connected with bearing, in bearing, establish wheel shaft, wheel shaft is connected with the driven small gear engaging with described thread groove, also comprise the slide rail being connected with described gearbox case, described slide rail is provided with the track moving between minor diameter end face and major diameter end face for described wheel shaft, described track is corresponding with the conical surface gradient of described taper cone pulley, described wheel shaft is connected to described universal slip joint, the described universal slip joint the other end is connected to the output terminal of described stepless speed changing mechanism in direct or indirect mode.
Preferably, described push rod and described slide rail are two, described slide rail is arranged at respectively the both sides of described driven small gear, between described track and described wheel shaft, be provided with bearing, described push rod is divided into the outside of described slide rail, between described push rod and described wheel shaft, be provided with bearing, described wheel shaft also can be along described orbiting through described track.
Preferably, described driven small gear is two, two described driven small gear symmetries are arranged at the both sides of described taper cone pulley, on each driven small gear, be provided with the described push rod and the described slide rail that match with described driven small gear, described wheel shaft all connects universal slip joint, and described universal slip joint is connected to described output terminal.
Further, two described universal slip joints are connected to differential synchronizer, and described differential synchronizer is provided with output wheel, and described output wheel and described output terminal join.
Preferably, described driven small gear is four, four described driven small gears uniformly-spaced divide the periphery that is located at described major diameter end face, on each described driven small gear, be provided with the described push rod and the described slide rail that match with described driven small gear, described wheel shaft all connects universal slip joint, and described universal slip joint is connected to described output terminal.
Further, in four described driven small gears, non-conterminous two described universal slip joint ends are provided with the regulating wheel for correcting outbound course, and described regulating wheel is intermeshing two cone pulleys, and described regulating wheel is connected to output terminal.
In such scheme, preferably, described input shaft is equipped with cylinder wheel, described cylinder wheel is positioned at described taper cone pulley one side and close described minor diameter end face, the cylndrical surface of described cylinder wheel be provided with described taper cone pulley on thread groove reverse screw thread each other, between described cylinder wheel is near the end face of described taper cone pulley and described minor diameter end face, form neutral district, described track is arranged to the track that can move between described conical surface and described cylndrical surface for described wheel shaft.
Adopt after the technical solution of the utility model, while needing speed change, by promoting slide block, slide block drives push rod, and push rod drives driven small gear to move between major diameter end face (corresponding top gear) and minor diameter end face (corresponding bottom gear).In this process, the wheel shaft that connects driven small gear moves in default track, due to the restriction of track, driven small gear engagement is displaced in the thread groove on conical surface, input shaft drives taper cone pulley to rotate and then drive driven pinion rotation simultaneously, driven small gear is connected to output terminal by universal slip joint, plays chronotropic action.In the time of speed change, driven small gear is engagement again again after need not separating with taper cone pulley, but adopts engagement mobile, guarantees that speed change is smoothly smooth and easy, and the utility model structure is relatively simple simultaneously, and cost is lower.
Further, by two push rods and two one slide rails are set, driven small gear is between two push rods and between two one slide rails, and the orbiting of wheel shaft in two one slide rails, is difficult for skew, can guarantee stable output.
Further, driven small gear is set to multiple so that the needs of multidirectional output to be provided, and in the time that two of driven small gears are wanted output in parallel simultaneously, can use differential synchronizer to prevent two asynchronous power systems of blocking of driven small gear output; In the time that driven small gear is four, can export separately, also can adjacent two be one group, divide two groups of outputs by connecing again differential synchronizer after making correction for direction, also can be adjacent two be one group by connecing differential microsyn output after making correction for direction, each outgoing position again and a differential synchronizer be combined into one group of output.
In such scheme, taper cone pulley is equivalent to forward gear driving wheel, cylinder wheel is equivalent to retreat gear driving wheel, forward gear driving wheel and retreating between gear driving wheel as neutral district, neutral district for only having input shaft without socket any gear one section of region, drive driven small gear to enter neutral district or driven small gear to be engaged in the cylndrical surface of cylinder wheel by push rod, realize the effect of hanging neutral and retreating.
Accompanying drawing explanation
Fig. 1 is the first structural representation of stepless speed changing mechanism in the utility model.
Fig. 2 be in Fig. 1 A to view.
Fig. 3 is that the A of the utility model the second structure is to view.
Fig. 4 is the structural representation of the driven small gear of the utility model while being two.
Fig. 5 be in Fig. 4 A to view.
Fig. 6 is differential synchronizer structure schematic diagram in the utility model.
Fig. 7 is the structural representation of the driven small gear of the utility model while being 4.
In figure:
1-input shaft 2-taper cone pulley
201-major diameter end face 202-minor diameter end face
3-slide bar 4-slide block
The driven small gear of 5-push rod 6-
7-slide rail 8-track
9-connection bearing 10-universal slip joint
11-regulating wheel 12-differential synchronizer
1201-output wheel 13-neutral district
14-cylinder wheel 15-wheel shaft
Embodiment
Be described in detail the technical solution of the utility model below in conjunction with accompanying drawing in order further to explain.
As depicted in figs. 1 and 2, a kind of taper cone pulley stepless speed variator, comprises gearbox case (not shown) and is arranged at the stepless speed changing mechanism in gearbox case, described stepless speed changing mechanism has input shaft 1 and output terminal (not shown).Also comprise and wear the taper cone pulley 2 being fixed on described input shaft 1, taper cone pulley 2 is equivalent to the driving wheel that advances.Described taper cone pulley 2 both ends of the surface are made as minor diameter end face 202 and major diameter end face 201, between minor diameter end face 202 and major diameter end face 201, be conical surface, described conical surface forms from minor diameter end face 202 to major diameter end face and the similar thread groove of screw outer surface.Also comprise the slide bar 3 being fixed in speed changer casing, slide bar 3 is provided with mobilizable slide block 4, and slide block 4 is fixed on slide bar 3 in the time not needing speed change, in the time of needs speed change, can make slide block 4 move along slide bar 3 by manipulation slide block 4.On slide block 4, be connected with push rod 5, one end of push rod 5 is by bearing hinge connection on slide block 4, and the other end of push rod 5 is socketed on wheel shaft 15 after by interior edge bearing, and wheel shaft 15 is connected with driven small gear 6, the parallel conical surface that is engaged in taper cone pulley 2 of driven small gear 6.Also comprise the slide rail 7 of being located at outside taper cone pulley 2, input shaft 1 is arranged on connection bearing 9, and slide rail 7 is fixed together and is fixedly attached on gearbox case with the outer ring of connection bearing 9.On slide rail 7, be provided with the track corresponding with the conical surface gradient of taper cone pulley 28, track 8 can move for the wheel shaft 15 of driven small gear 6 between minor diameter end face 202 and major diameter end face 201, and track 8 can directly be offered groove and form on slide rail 7.After being socketed bearing through the wheel shaft 15 of driven small gear 6, pass track 8, the diameter of the bearing that the width of track 8 and wheel shaft 15 are socketed is suitable, can drive driven small gear 6 to move along track 8 by wheel shaft 15, can guarantee that by the position-limiting action of track 8 driven small gear 6 is engaged in taper cone pulley 2 in moving process simultaneously always.
As shown in Figure 3, preferably, described push rod 5 and described slide rail 7 are two, and described slide rail 7 is arranged at respectively the both sides of described driven small gear 6, between described track 8 and described wheel shaft 15, be provided with bearing, limit the skew up and down of driven small gear 6 by two slide rails 7.Described push rod 5 is divided into the outside of described slide rail 7, and wheel shaft 15 can drive driven small gear 6 to move along track 8 through described track 8.Drive driven small gear 6 to slide by two push rods 5, can guarantee driven small gear 6 and in movement process, steadily be engaged in conical surface.In such scheme, wheel shaft 15 one end are socketed push rod 5 by bearing outer ring, and the other end connects universal slip joint 10, and described universal slip joint 10 is connected to described output terminal.
As shown in Figures 4 and 5, preferably, described driven small gear 6 is two, two described driven small gears 6 are symmetricly set in the both sides of described taper cone pulley 2, on each driven small gear 6, be provided with the described push rod 5 and the described slide rail 7 that match with described driven small gear 6, slide bar 5 and slide rail 7 can respectively be established one also can respectively establish two, adopts and respectively establishes two in the drawings.Wheel shaft 15 on described driven small gear 6 all connects universal slip joint 10, and described universal slip joint 10 is connected to described output terminal.
As shown in Figure 6, further, two described universal slip joints 10 are connected to differential synchronizer 12, and described differential synchronizer 12 is provided with output wheel 1201, and described output wheel 1201 joins with described output terminal.By being set, differential synchronizer 12 can realize the output in parallel of two driven small gears 6.
As shown in Figure 7, preferably, described driven small gear 6 is four, four described driven small gears 6 uniformly-spaced divide the periphery that is located at described major diameter end face 201, on each described driven small gear 6, be provided with the described push rod 5 and the described slide rail 7 that match with described driven small gear 6, the wheel shaft 15 of described driven small gear 6 all connects universal slip joint 10, and described universal slip joint 10 is connected to described output terminal.By being set, four driven small gears 6 can realize multi-direction output.Further, in four described driven small gears 6, described universal slip joint 10 ends of non-conterminous two are provided with the regulating wheel 11 for correcting outbound course, and described regulating wheel 11 is intermeshing two cone pulleys, and described regulating wheel 11 is connected to output terminal.By regulating wheel 11 is set, change outbound course, two adjacent driven small gears 6 connect in differential synchronizer 12(Fig. 7 not shown again) can realize two groups of outputs.
In such scheme, described input shaft 1 is equipped with cylinder wheel 14(and is equivalent to retreat gear driving wheel), described cylinder wheel 14 is positioned at described taper cone pulley 2 one sides and near described minor diameter end face 202, the cylndrical surface of described cylinder wheel 14 be provided with described taper cone pulley 2 on thread groove reverse screw thread each other.Between described cylinder wheel 14 end faces near described taper cone pulley 2 and described minor diameter end face 202, form neutral district 14.Now, track 8 is corresponding extends to neutral district 13 and cylinder is taken turns 14 both sides, track 8 parallels with the axis of cylinder wheel 14 corresponding to the part of neutral district 13 and cylinder wheel 14, wheel shaft 15 can drive driven small gear 6 to move to neutral district 13 and be engaged to cylinder wheel 14 along track 8, to reach the effect of hanging neutral and retreating.
Product form of the present utility model is not limited to this case diagram and embodiment, and anyone carries out suitable variation or the modification of similar thinking to it, all should be considered as not departing from patent category of the present utility model.
Claims (7)
1. a taper cone pulley stepless speed variator, comprise gearbox case and be arranged at the stepless speed changing mechanism in gearbox case, described stepless speed changing mechanism has input shaft and output terminal, it is characterized in that: also comprise and wear the taper cone pulley being connected on described input shaft, described taper cone pulley both ends of the surface are made as minor diameter end face and major diameter end face, between minor diameter end face and major diameter end face, it is conical surface, on described conical surface, be laid with thread groove, also comprise the slide bar being fixed in speed changer casing, slide bar is provided with slide block, on slide block, be hinged with push rod, the other end of push rod is socketed with bearing, in bearing, establish wheel shaft, wheel shaft is connected with the driven small gear engaging with described thread groove, also comprise the slide rail being connected with described gearbox case, described slide rail is provided with the track moving between minor diameter end face and major diameter end face for described wheel shaft, described track is corresponding with the conical surface gradient of described taper cone pulley, described wheel shaft is connected to described universal slip joint, the described universal slip joint the other end is connected to the output terminal of described stepless speed changing mechanism in direct or indirect mode.
2. taper cone pulley stepless speed variator as claimed in claim 1, it is characterized in that: described push rod and described slide rail are two, described slide rail is arranged at respectively the both sides of described driven small gear, between described track and described wheel shaft, be provided with bearing, described push rod is divided into the outside of described slide rail, between described push rod and described wheel shaft, be provided with bearing, described wheel shaft also can be along described orbiting through described track.
3. taper cone pulley stepless speed variator as claimed in claim 1, it is characterized in that: described driven small gear is two, two described driven small gear symmetries are arranged at the both sides of described taper cone pulley, on each driven small gear, be provided with the described push rod and the described slide rail that match with described driven small gear, described wheel shaft all connects universal slip joint, and described universal slip joint is connected to described output terminal.
4. taper cone pulley stepless speed variator as claimed in claim 3, is characterized in that: two described universal slip joints are connected to differential synchronizer, and described differential synchronizer is provided with output wheel, and described output wheel and described output terminal join.
5. taper cone pulley stepless speed variator as claimed in claim 1, it is characterized in that: described driven small gear is four, four described driven small gears uniformly-spaced divide the periphery that is located at described major diameter end face, on each described driven small gear, be provided with the described push rod and the described slide rail that match with described driven small gear, described wheel shaft all connects universal slip joint, and described universal slip joint is connected to described output terminal.
6. taper cone pulley stepless speed variator as claimed in claim 5, it is characterized in that: in four described driven small gears, non-conterminous two described universal slip joint ends are provided with the regulating wheel for correcting outbound course, described regulating wheel is intermeshing two cone pulleys, and described regulating wheel is connected to output terminal.
7. the taper cone pulley stepless speed variator as described in claim 1 to 6 any one, it is characterized in that: described input shaft is equipped with cylinder wheel, described cylinder wheel is positioned at described taper cone pulley one side and close described minor diameter end face, the cylndrical surface of described cylinder wheel be provided with described taper cone pulley on thread groove reverse screw thread each other, between described cylinder wheel is near the end face of described taper cone pulley and described minor diameter end face, form neutral district, described track is arranged to the track that can move between described conical surface and described cylndrical surface for described wheel shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320698945.6U CN203641427U (en) | 2013-11-06 | 2013-11-06 | Cone wheel continuously variable transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320698945.6U CN203641427U (en) | 2013-11-06 | 2013-11-06 | Cone wheel continuously variable transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203641427U true CN203641427U (en) | 2014-06-11 |
Family
ID=50872673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320698945.6U Expired - Fee Related CN203641427U (en) | 2013-11-06 | 2013-11-06 | Cone wheel continuously variable transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203641427U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108383568A (en) * | 2018-03-29 | 2018-08-10 | 深圳市贝优通新能源技术开发有限公司 | A kind of intelligent Composter that the compost effect that fermentation efficiency is high is good |
| WO2021179134A1 (en) * | 2020-03-09 | 2021-09-16 | 华为技术有限公司 | Transmission device and control method therefor, and steering system and control method therefor |
-
2013
- 2013-11-06 CN CN201320698945.6U patent/CN203641427U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108383568A (en) * | 2018-03-29 | 2018-08-10 | 深圳市贝优通新能源技术开发有限公司 | A kind of intelligent Composter that the compost effect that fermentation efficiency is high is good |
| WO2021179134A1 (en) * | 2020-03-09 | 2021-09-16 | 华为技术有限公司 | Transmission device and control method therefor, and steering system and control method therefor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20141106 |
|
| EXPY | Termination of patent right or utility model |