CN206647511U - A kind of speed changer and automobile - Google Patents

Abstract

The utility model provides a kind of speed changer and automobile, belongs to transmission technology field.The speed changer includes annular driving band and two tappers, two tappers are towards conversely, transmission belt is arranged one of tapper, the surface distributed of one of tapper has multiple tooth groups, axial direction distribution of multiple tooth groups along tapper, each tooth group includes multiple multiple teeth circumferentially distributed along tapper, and the side of the close tapper of transmission belt is provided with the latch of cooperating teeth, and tooth and latch can engage.The speed changer can pass through the engagement of tooth and latch so that two tappers can obtain larger moment of torsion, the design of tooth group, transmission belt can be helped preferably to be engaged with more teeth, overall using effect is preferable when relatively rotating.Its is reasonable in design, and mechanism is compact, and market application potential is huge.The automobile includes speed changer mentioned above, and it has the repertoire of the speed changer.

Description

A kind of speed changer and automobile

Technical field

Transmission technology field is the utility model is related to, in particular to a kind of speed changer and automobile.

Background technology

Speed changer generally comprises step type speed changer, buncher, composite type speed changer.

Step type speed changer is to use most wide one kind.It uses gear drive, has several definite value gearratios.By institute It is different with train pattern, there are axis fixed speed changer (conventional transmission device) and axis rotary speed gear (planetary gear speed-changing Device) two kinds.Car and the light, gearratio of medium truck speed changer generally have 3-5 drive shift and a reverse gear, in heavy goods vehicle In combinatory transmission, then there are more gears.So-called speed changer gear number refers to its drive shift digit.

Variable speed refers to the speed change system that can continuously obtain any gearratio in slewing range.Can by variable speed To obtain the best match of power train and engine operating condition.Common buncher has hydraulic mechanical type buncher and gold Belong to variable v-belt drive (VDT-CVT).

Composite type speed changer refers to the hydraulic mechanical type speed changer being made up of fluid torque-converter and gear type step change transmission, Make stepless change in the range of several interruptions that its gearratio can be between the minimum and maximum, at present using more.

In general, variable speed are different from automatic catch.Variable speed is one kind inside automatic case, is also CVT gearboxes, More smoothed out than common self-changing gearbox gear-shifting, do not impact sense, oil consumption is also lower than common automatic case.Therefore in the sedan-chair of top grade Che Zhong, usually it can be seen that its figure.

Inventor has found that traditional speed changer at least has the following disadvantages under study for action：

Moment of torsion is smaller；

Using effect is poor.

Utility model content

The purpose of this utility model is the provision of a kind of speed changer, improves the deficiencies in the prior art, it can pass through tooth With the engagement of latch so that two tappers can obtain larger moment of torsion, the design of tooth group can when relatively rotating Transmission belt is helped preferably to be engaged with more teeth, overall using effect is preferable.Its is reasonable in design, and mechanism is compact, market application Have a high potential.

Another object of the present utility model is the provision of a kind of automobile, and it includes speed changer mentioned above, and it has The repertoire of the speed changer.

What embodiment of the present utility model was realized in：

Embodiment of the present utility model provides a kind of speed changer, and it includes annular driving band and two tappers, two rollings For cone towards on the contrary, transmission belt is arranged one of tapper, the surface distributed of one of tapper has multiple tooth groups, multiple tooth group edges The axial direction distribution of tapper, each tooth group include multiple multiple teeth circumferentially distributed along tapper, the side of the close tapper of transmission belt The latch of cooperating teeth is provided with, tooth and latch can engage.

Specifically, the speed changer can pass through the engagement of tooth and latch so that two tappers are when relatively rotating, energy Larger moment of torsion is enough obtained, the design of tooth group, transmission belt can be helped enough preferably to be engaged with more teeth, overall using effect Preferably.Its is reasonable in design, and mechanism is compact, and market application potential is huge.

Optionally, the surface of other in which tapper is also distributed with teeth, and latch is distributed in the both sides of transmission belt, and latch is with dividing Being distributed in the tooth of two tappers can engage.

Optionally, radial direction of the tooth along tapper is telescopic is connected to tapper.

Optionally, the surface distributed of tapper has a loose slot for accommodating tooth, and loose slot has a limiting section, and tooth is along tapper Radially slidably it is embedded in loose slot and limiting section can be abutted.

Optionally, the bottom land of loose slot is connected with tooth by return unit, and return unit makes tooth have the motion away from loose slot Trend.

Optionally, the bottom land of loose slot and tooth are respectively provided with magnetic and relatively close both sides magnetic pole is identical.

Optionally, in the circumferential direction of tapper, the spacing between adjacent two teeth is identical.

Optionally, on the axial direction of tapper, the spacing between adjacent two tooth groups is identical.

Optionally, speed changer also includes gearbox, and transmission belt and tapper are located in gearbox, and transmission is provided with gearbox Bar and control unit, drive link connect with gearbox, and control unit is slidably connected to drive link, and control unit is used to drive transmission belt Slided along the length direction of drive link.

Embodiment of the present utility model additionally provides a kind of automobile, and it includes speed changer mentioned above, and it has the change The repertoire of fast device.

Compared with prior art, the beneficial effect of the utility model embodiment is：

In summary, the speed changer can pass through the engagement of tooth and latch so that two tappers relatively rotate when, Larger moment of torsion can be obtained, the design of tooth group, transmission belt can be helped preferably to be engaged with more teeth, overall using effect Preferably.Its is reasonable in design, and mechanism is compact, and market application potential is huge.

Brief description of the drawings

, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also To obtain other related accompanying drawings according to these accompanying drawings.

Fig. 1 is the schematic diagram under the first visual angle for the speed changer that the utility model embodiment 1 provides；

Fig. 2 is the schematic diagram under second of visual angle of the speed changer shown in Fig. 1；

Fig. 3 is the schematic diagram of the transmission belt shown in Fig. 1；

Fig. 4 is the schematic diagram under the first state of the tapper shown in Fig. 1；

Fig. 5 is the schematic diagram under second of state of the tapper shown in Fig. 1；

Fig. 6 is the schematic diagram of the tooth shown in Fig. 5.

Icon：100- speed changers；The tappers of 10- first；The tappers of 20- second；30- transmission belts；40- drive links；50- is controlled Portion；101- gearboxes；11- loose slots；13- teeth；111- limiting sections；131- abutting parts；The latches of 301- first；302- second blocks Tooth.

Embodiment

It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and The component of the utility model embodiment shown can be configured to arrange and design with a variety of.

Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of the utility model protection.

It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.

, it is necessary to explanation, the orientation of the instruction such as term " on ", " under ", " interior ", " outer " in description of the present utility model Or position relationship be based on orientation shown in the drawings or position relationship, or the utility model product using when usually put Orientation or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply signified dress Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model Limitation.In addition, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important Property.

In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set Put ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this Concrete meaning in utility model.

Embodiment 1

Fig. 1 to Fig. 5 is refer to, present embodiments provides a kind of speed changer 100, it includes annular driving band 30 and two rollings Cone, for two tappers towards on the contrary, transmission belt 30 is arranged one of tapper, the surface distributed of one of tapper has multiple teeth Group, axial direction distribution of multiple tooth groups along tapper, each tooth group include multiple multiple teeth 13 circumferentially distributed along tapper, transmission belt 30 The side of close tapper be provided with the latch of cooperating teeth 13, tooth 13 and latch can engage.

Need exist for explaining, two tappers are respectively the first tapper 10 and the second tapper 20, the first tapper 10 and the The structure of two tappers 20 is identical.Transmission belt 30 can be arranged the first tapper 10, can also be arranged the second tapper 20.First tapper 10 Can drive output shaft or with driven input shaft, similarly the second tapper 20 can drive output shaft, can also band Driven input shaft.

Specifically, the speed changer 100 can pass through the engagement of tooth 13 and latch so that two tappers are relatively rotating When, larger moment of torsion can be obtained, the design of tooth group, transmission belt 30 can be helped preferably to be engaged with more teeth 13, it is overall Using effect is preferable.Its is reasonable in design, and mechanism is compact, and market application potential is huge.

With reference to Fig. 1, optionally, speed changer 100 also includes gearbox 101, and transmission belt 30 and tapper are located at gearbox 101 It is interior, drive link 40 and control unit 50 are provided with gearbox 101, drive link 40 and gearbox 101 connect, and control unit 50 is slidably Be connected to drive link 40, the length direction that control unit 50 is used to drive transmission belt 30 along drive link 40 slides.

Drive transmission belt 30 to be slided relative to drive link 40 by control unit 50, reach transmission belt 30 positioned at two tappers it Between diverse location, realize different gearratios, reach the effect of speed change.

The mechanical torque sensor being made up of ball and skewed slot is located on the output shaft, it can turn output torque Change axial compressive force into, by the position being positioned on output shaft torque bang path, this mechanical system, which " can be experienced ", arrives various torsions Square changes, and is translated into corresponding axial force, so as to realize that automatic mechanical type is adjusted between mechanical efficiency and transmission moment of torsion Section.

At this moment the situation in gearbox 101 is that control unit 50 drags transmission belt 30 on the length direction of drive link 40 Slide, realize that the transmission of power is realized in some position on some position on the first tapper 10 and the second tapper 20, it is final to realize The effect of speed change.

The first tapper 10, the second tapper 20 and transmission belt 30 in gearbox 101 are generally required to lubricate and cooled down, in speed change Lubricating chamber can also be set in case 101, and lubricating chamber's internal memory contains lubricating oil, passes through the first tapper 10 and turn of the second tapper 20 It is dynamic, make lubricating oil splash, reach lubrication to the effect of other parts.Overall using effect is preferable.

With reference to Fig. 3, optionally, the surface of other in which tapper is also distributed with teeth 13, and latch is distributed in transmission belt 30 Both sides, latch can engage with being distributed in the tooth 13 of two tappers.

That is, the tapper 20 of the first tapper 10 and second is distributed with tooth 13, the both sides of the endless belt are distributed with Latch.Respectively engaged, the power of input shaft is transferred to defeated with the first tapper 10 and the second tapper 20 by inside and outside latch On shaft, the mode of engagement, moment of torsion during 100 speed change of speed changer can be greatly increased, avoid the occurrence of the phenomenon of skidding.Entirety makes It is preferable with effect.

Explanation is needed exist for, the latch being distributed on the outside of the transmission belt 30 is the first latch 301, the transmission belt 30 Inner side on the latch that is distributed be the second latch 302.

Optionally, radial direction of the tooth 13 along tapper is telescopic is connected to tapper.

By way of itself is flexible, reach when need, the tooth 13 protrudes with respect to the first tapper 10, it is not necessary to when Wait, the surface of the tapper 10 of tooth 13 and first is on same face.Overall using effect is preferable.

With reference to Fig. 4, Fig. 5 and Fig. 6, optionally, the surface distributed of the first tapper 10 has the loose slot 11 for accommodating tooth 13, Loose slot 11 has limiting section 111, and radial direction of the tooth 13 along the first tapper 10 is slidably embedded in loose slot 11 and can supported Connect limiting section 111.

It is the schematic diagram that tooth 13 is all embedded at loose slot 11 shown in Fig. 4, is that tooth 13 is all relative shown in Fig. 5 In the schematic diagram of the first tapper 10 protrusion.

Optionally, abutting part 131 is provided with the bottom land of the close loose slot 11 of the tooth 13, in tooth 13 relative to loose slot 11 protrusions, and tooth 13 is protruded when descending to the limit, the abutting part 131 abuts limiting section 111, avoids tooth 13 from departing from.

When the first tapper 10 rotates, tooth 13 under the influence of centrifugal force, all protrudes, Neng Gougeng relative to loose slot 11 Good and the first latch 301 engages, and by the withstanding effect of limiting section 111, avoids tooth 13 from departing from, makes it in loose slot 11 Slip has certain scope.Overall using effect is preferable.

Optionally, the bottom land of loose slot 11 is connected with tooth 13 by return unit, and return unit makes tooth 13 have away from loose slot 11 movement tendency.

The return unit can be spring, can be elastic rubber fitting, can also be other elastic structures, pass through return unit Effect, make tooth 13 that there is the movement tendency protruded relative to loose slot 11.When output shaft is under lower-speed state, it is possible to go out The inadequate situation of the centrifugal force of existing first tapper 10 or the second tapper 20, by setting return unit, can ensure needs when Wait, part tooth 13 engages with the first latch 301 or the second latch 302 all the time, ensures that it always has larger moment of torsion.Low speed is transported During row, have preferable moment of torsion that transmission belt 30 can be avoided to occur the phenomenon skidded between two tappers, overall using effect compared with It is good.

Optionally, the bottom land of loose slot 11 and tooth 13 are respectively provided with magnetic and relatively close both sides magnetic pole is identical.

That is, under the repulsive interaction of magnetic, make tooth 13 that there is the movement tendency away from loose slot 11, can also reach Corresponding effect.

Optionally, in the circumferential direction of tapper, the spacing between adjacent two teeth 13 is identical.

That is, the spacing of tooth 13 of multiple teeth 13 in same group is identical, latch and tooth can be preferably realized 13 engagement, to provide larger moment of torsion.Overall using effect is preferable.

Optionally, on the axial direction of tapper, the spacing between adjacent two tooth groups is identical.

Spacing between two adjacent tooth groups is identical can preferably to ensure transmission belt 30 after previous tooth group terminates The latter tooth group can be preferably engaged to, while speed change continuity is ensured, moreover it is possible to play preferably engagement effect.It is overall Using effect is preferable.

A kind of speed changer 100 provided according to the utility model embodiment, the operation principle of speed changer 100 are：

It is described herein using the first tapper 10 as the tapper with inputting axis connection, that is to say, that at this moment the second tapper 20 It is with exporting axis connection.

First tapper 10 rotates, and drives transmission belt 30 to rotate, and transmission belt 30 drives the second tapper 20 to rotate, by input shaft Power is transferred on output shaft.Mechanical torque sensor mentioned above can experience whether need acceleration or deceleration, this When control unit 50 drive transmission belt 30 to be slided on drive link 40, realize the position different between two tappers of transmission belt 30 Put, realize different gearratios, finally realize speed change.

When the first tapper 10 rotates, tooth 13 in the presence of the centrifugal force either power of return unit or magnetic repulsive force, Protrude away from loose slot 11 and relative to loose slot 11, in the presence of abutting part 131 and limiting section 111, keep it in one In the state of fixed, the tooth 13 on the first latch 301 and the first tapper 10 on transmission belt 30 engages, the rolling of the second latch 302 second Tooth 13 on cone 20 engages, and when realizing on different gearratios, the latch on transmission belt 30 engages the He of the first tapper 10 respectively Different tooth 13 on second tapper 20, ensure that and be not only still respectively provided with stronger moment of torsion at a high speed in output shaft low speed.Entirety makes It is preferable with effect.

Explanation is needed exist for, because tooth 13 can be embedded in loose slot 11, when the first tapper 10 rotates, with first The 13 relatively close loose slot of part tooth that latch 301 engages, remaining tooth 13 on side is relative to be protruded.Can preferably it engage First latch 301.

Embodiment 2

The present embodiment also provides a kind of automobile, and it includes speed changer 100 mentioned above, and the structure of speed changer 100 can With reference implementation example 1, the automobile has the institute of speed changer 100 functional.

In summary, the utility model provides a kind of speed changer 100, and the speed changer 100 can pass through tooth 13 and latch Engagement so that two tappers relatively rotate when, larger moment of torsion can be obtained, the design of tooth group, can help to pass Dynamic band 30 preferably engages with more teeth 13, and overall using effect is preferable.Its is reasonable in design, and mechanism is compact, and market application is latent Power is huge.

Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.

Claims (10)

1. a kind of speed changer, it is characterised in that including annular driving band and two tappers, two tappers are towards on the contrary, institute State transmission belt and be arranged one of them described tapper, the surface distributed of one of them tapper has multiple tooth groups, multiple teeth Group is distributed along the axial direction of the tapper, and each tooth group includes multiple multiple teeth circumferentially distributed along the tapper, the biography The side of the close tapper of dynamic band is provided with the latch for coordinating the tooth, and the tooth and the latch can engage.

2. speed changer according to claim 1, it is characterised in that the surface of tapper described in other in which is also distributed Tooth is stated, the latch is distributed in the both sides of the transmission belt, and the latch can with being distributed in the tooth of two tappers Engagement.

3. speed changer according to claim 1, it is characterised in that the telescopic connection of radial direction of the tooth along the tapper In the tapper.

4. speed changer according to claim 1, it is characterised in that the surface distributed of the tapper has for accommodating the tooth Loose slot, the loose slot has limiting section, and radial direction of the tooth along the tapper is slidably embedded at the loose slot It is interior and the limiting section can be abutted.

5. speed changer according to claim 4, it is characterised in that the bottom land of the loose slot and the tooth pass through return unit Connection, the return unit make the tooth have the movement tendency away from the loose slot.

6. speed changer according to claim 4, it is characterised in that the bottom land of the loose slot and the tooth are respectively provided with magnetic And relatively close both sides magnetic pole is identical.

7. according to the speed changer described in claim any one of 1-6, it is characterised in that in the circumferential direction of the tapper, phase Spacing between two adjacent teeth is identical.

8. speed changer according to claim 7, it is characterised in that on the axial direction of the tapper, adjacent two Spacing between the tooth group is identical.

9. according to the speed changer described in claim any one of 1-6, it is characterised in that the speed changer also includes gearbox, institute State transmission belt and the tapper is located in the gearbox, drive link and control unit, the transmission are provided with the gearbox Bar connects with the gearbox, and the control unit is slidably connected to the drive link, and the control unit is described for driving Length direction of the transmission belt along the drive link slides.

10. a kind of automobile, it is characterised in that including the speed changer described in claim any one of 1-9.