CN207297760U - Speed changer and the automobile with the speed changer - Google Patents
Speed changer and the automobile with the speed changer Download PDFInfo
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- CN207297760U CN207297760U CN201721144903.2U CN201721144903U CN207297760U CN 207297760 U CN207297760 U CN 207297760U CN 201721144903 U CN201721144903 U CN 201721144903U CN 207297760 U CN207297760 U CN 207297760U
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- gear
- input shaft
- shaft
- speed changer
- driven gear
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Abstract
A kind of speed changer and automobile, including input shaft, output shaft, first gear group, second gear group, synchronizer, train of reduction gears, differential mechanism and jack shaft, the input shaft is connected with power source, the input shaft is arranged in parallel with the output shaft, the first gear group and the second gear group are arranged between the input shaft and the output shaft, the synchronizer is arranged on one of the input shaft and the output shaft, and it is arranged between the first gear group and the second gear group, the output shaft is connected by the train of reduction gears with the differential mechanism, the jack shaft is arranged at the both sides of the differential mechanism, jack shaft positioned at the differential mechanism towards the input shaft side is arranged in the input shaft, and it is coaxially disposed with the input shaft.The speed changer can make the structure of speed changer more compact on the basis of the dynamic property and economy of speed changer is ensured.
Description
Technical field
It the utility model is related to system of vehicle transmission technical field, especially a kind of speed changer and the automobile with the speed changer.
Background technology
The development of current auto industry, electric automobile have obtained more and more concerns, and speed changer is in electric automobile
One of important spare part.Speed changer structure is designed to for the important research topic of major automobile production manufacturer and laboratory.
Since the laying of transmission system on electric automobile is extremely compact, in order to adapt to the layout of transmission system of electric automobile,
Current new-energy automobile largely using single gear gearbox, can not meet the requirement of vehicle dynamic quality and economy.
In order to meet the requirement of dynamic property and economy, electric automobile just needs to use multi-speed transmission, passes through gear
Change, changes fast ratio of the speed changer in different stalls.However, according to multi-speed transmission, will significantly increase transmission shaft to
The length in direction, increases the layout difficulty of speed changer.
Therefore, there are certain contradiction between the compactedness and dynamic property and economy of structure for speed changer.
Utility model content
The purpose of this utility model is to provide a kind of speed changer and the automobile with the speed changer, the speed changer can be
On the basis of the dynamic property and economy that ensure speed changer, make the structure of speed changer more compact.
The utility model provides a kind of speed changer, including input shaft, output shaft, first gear group, second gear group, synchronization
Device, train of reduction gears, differential mechanism and jack shaft, the input shaft are connected with power source, the input shaft and the output shaft
It is arranged in parallel, the first gear group and the second gear group are arranged between the input shaft and the output shaft, described
Synchronizer is arranged on one of the input shaft and the output shaft, and is arranged at the first gear group and described the
Between two gear sets, the output shaft is connected by the train of reduction gears with the differential mechanism, and the jack shaft is arranged at
The both sides of the differential mechanism, the jack shaft positioned at the differential mechanism towards the input shaft side are arranged in the input shaft
It is interior, and be coaxially disposed with the input shaft.
Further, the first gear group includes the first driving gear and the first driven gear, the second gear group
Including the second driving gear and the second driven gear, first driving gear is engaged with the first driven gear, second master
Moving gear is engaged with second driven gear, and first driving gear and second driving gear are fixed in the input
On axis, first driven gear and second driven gear are placed on the output shaft, and the synchronizer is arranged at institute
State on output shaft, and be arranged between first driven gear and second driven gear.
Further, the first gear group includes the first driving gear and the first driven gear, the second gear group
Including the second driving gear and the second driven gear, first driving gear is engaged with the first driven gear, second master
Moving gear is engaged with second driven gear, and first driving gear and second driving gear are placed in the input
On axis, first driven gear and second driven gear are fixed on the output shaft, and the synchronizer is arranged at institute
State on input shaft, and be arranged between first driving gear and second driving gear.
Further, the differential mechanism is located at end of the input shaft away from the power source side, and positioned at described
Side where output shaft towards the input shaft.
Further, the train of reduction gears includes deceleration driving gear and reduction driven gear, the deceleration driving tooth
Wheel is engaged with the reduction driven gear, and deceleration driving gear is fixed on the output shaft, the reduction driven gear and institute
State differential mechanism to be connected, the reduction driven gear is placed in the differential mechanism towards on the jack shaft of the power source side.
Further, bearings plate is additionally provided with the speed changer, the bearings plate is fixed on the speed change
On the babinet of device, transmission is offered relative to the position of the jack shaft and the output shaft in the bearings plate
Hole, the jack shaft sequentially pass through hole, the input shaft and the power source of passing through and are connected with wheel, the input shaft
One end stretch into it is described through in hole.
Further, the speed changer is additionally provided with input shaft spring bearing and jack shaft spring bearing, the input
Axis spring bearing and the jack shaft spring bearing be both secured to it is described through in hole, and respectively to the input shaft and described
Jack shaft is supported, and the input shaft spring bearing is located at side of the input shaft away from the power source, the drive
Dynamic semiaxis spring bearing is located at side of the reduction driven gear away from the differential mechanism.
The utility model additionally provides a kind of automobile, which includes speed changer provided by the utility model.
In conclusion the utility model by the jack shaft on differential mechanism on input shaft side by being arranged in input
In axis, the laying vacating space of jack shaft is no longer individually for, it is possible to reduce the width of speed changer, further, in such a cloth
Under equipment, method, differential mechanism is located at end of the input shaft away from power source side, and is located at side of the output shaft towards input shaft,
That is, differential mechanism can make full use of the space between input shaft and output shaft, further reduce the volume of speed changer.The speed changer
On the basis of the dynamic property and economy of speed changer is ensured the structure of speed changer can be made more compact.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand the skill of the utility model
Art means, and being practiced according to the content of specification, and in order to allow the above and other purpose, feature of the utility model
It can be become apparent with advantage, below especially exemplified by preferred embodiment, and coordinate attached drawing, described in detail as follows.
Brief description of the drawings
Fig. 1 is the structure diagram for the speed changer that the utility model first embodiment provides.
Fig. 2 is the structure diagram for the speed changer that the utility model second embodiment provides.
Embodiment
Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose of utility model taken,
Below in conjunction with attached drawing and preferred embodiment, the utility model is described in detail as follows.
The purpose of this utility model is to provide a kind of speed changer and the automobile with the speed changer, the speed changer can be
On the basis of the dynamic property and economy that ensure speed changer, make the structure of speed changer more compact.
Fig. 1 is the structure diagram for the speed changer that the utility model first embodiment provides, as shown in Figure 1, this practicality is new
The speed changer that type first embodiment provides includes input shaft 11, output shaft 12, first gear group 21, second gear group 22, synchronization
Device 23, train of reduction gears 24, differential mechanism 31 and jack shaft 13, input shaft 11 are connected with power source 41, input shaft 11 and output
Axis 12 is parallel to each other, and first gear group 21 and second gear group 22 are arranged between input shaft 11 and output shaft 12, for exporting
Axis 12 is connected by train of reduction gears 24 with differential mechanism 31, and jack shaft 13 is arranged at the both sides of differential mechanism 31, positioned at differential mechanism
31 are arranged in input shaft 11 towards the jack shaft 13 on 11 side of input shaft, and are coaxially disposed with input shaft 11, synchronizer
23 are arranged on one of input shaft 11 and output shaft 12, and be arranged at first gear group 21 and second gear group 22 it
Between.When synchronizer 23 is combined with first gear group 21, the power of input shaft 11 is passed by synchronizer 23 and first gear group 21
Output shaft 12 is handed to, when synchronizer 23 is combined with second gear group 22, the power of input shaft 11 passes through synchronizer 23 and second
Gear set 22 is transferred to output shaft 12.
In the present embodiment, power source 41 can be motor, towards the driving half of 11 side of input shaft on differential mechanism 31
Axis 13 is arranged in input shaft 11 and power source 41, and is coaxially disposed with input shaft 11 and power source 41, that is, input shaft 11 and
Power source 41 is sheathed on jack shaft 13.
In the present embodiment, first gear group 21 includes the first driving gear 211 and the first driven gear 212, the second tooth
Wheel group 22 includes the second driving gear 221 and the second driven gear 222.First driven gear 212 and the second driven gear 222 are equal
Be placed on output shaft 12, the first driving gear 211 is engaged with the first driven gear 212, the second driving gear 221 and second from
Moving gear 222 engages.Above-mentioned synchronizer 23 is fixed on output shaft 12, and driven positioned at the first driven gear 212 and second
Between gear 222, the first driving gear 211 and the second driving gear 221 are fixedly connected with output shaft 12.
In the present embodiment, by the way that the jack shaft 13 on differential mechanism 31 on 11 side of input shaft is arranged in input
In axis 11, the laying vacating space of jack shaft 13 is no longer individually for, it is possible to reduce the width of speed changer, further, herein
Under kind of distribution method, differential mechanism 31 be located at end of the input shaft 11 away from 41 side of power source, and is located at output shaft 12 towards defeated
Enter the side where axis 11, that is, differential mechanism 31 can make full use of the space between input shaft 11 and output shaft 12, further
Reduce the volume of speed changer.The speed changer can make speed changer on the basis of the dynamic property and economy of speed changer is ensured
Structure is more compact.
Further, train of reduction gears 24 includes deceleration driving gear 241 and reduction driven gear 242, deceleration driving tooth
Wheel 241 is engaged with reduction driven gear 242, and deceleration driving gear 241 is fixed on output shaft 12, reduction driven gear 242 and
Differential mechanism 31 is connected.In the present embodiment, reduction driven gear 242 is placed in driving of the differential mechanism 31 towards 41 side of power source
On semiaxis 13.
In the present embodiment, speed changer further includes parking ratchet wheel 25, and parking ratchet wheel 25 is fixed on output shaft 12, and is located at
Train of reduction gears 24 is away from the side where power source 41.
Further, in the present embodiment, bearings plate 50 is additionally provided with speed changer, bearings plate 50 is fixed on
In the babinet (not shown) of speed changer, offered in bearings plate 50 relative to the position of jack shaft 13 and output shaft 12
Hole 51 is passed through for what jack shaft 13 and output shaft 12 passed through.Jack shaft 13 is sequentially passed through through hole 51, input shaft 11 and moved
It is connected behind power source 41 with wheel, one end of input shaft 11 is stretched into through in hole 51.Speed changer is additionally provided with input shaft spring bearing
52 and jack shaft spring bearing 53, input shaft spring bearing 52 and jack shaft spring bearing 53 be both secured to bearings plate
Pass through in hole 51 on 50, and input shaft 11 and jack shaft 13 are supported accordingly respectively.Input shaft spring bearing 52
In side of the input shaft 11 away from power source 41, jack shaft spring bearing 53 is located at reduction driven gear 242 away from differential mechanism
31 side.
Need to illustrate when, in the utility model, the speed of first gear group 21 and second gear group 22 is than different, but the
One gear set 21 speed than second gear group 22 speed ratio between magnitude relationship can as needed depending on.
In the present embodiment, by the way that the jack shaft 13 on differential mechanism 31 on 11 side of input shaft is arranged in input
In axis 11, the laying vacating space of jack shaft 13 is no longer individually for, it is possible to reduce the width of speed changer, further, herein
Under kind of distribution method, differential mechanism 31 be located at end of the input shaft 11 away from 41 side of power source, and is located at output shaft 12 towards defeated
Enter the side of axis 11, that is, differential mechanism 31 can make full use of the space between input shaft 11 and output shaft 12, further reduce
The volume of speed changer.The speed changer on the basis of the dynamic property and economy of speed changer is ensured, can make the structure of speed changer
It is more compact.
Fig. 2 is the structure diagram for the speed changer that the utility model second embodiment provides.The utility model second is implemented
The structure of speed changer in speed changer and first embodiment that example provides is essentially identical, its difference is：In the present embodiment
In the first driving gear 211 and the second driving gear 221 be placed on input shaft 11, the first driven gear 212 and second is driven
Gear 222 is directly fixed on output shaft 12, synchronizer 23 be arranged at the first driving gear 211 and the second driving gear 221 it
Between, when synchronizer 23 is combined with the first driving gear 211, the power on input shaft 11 passes sequentially through the master of synchronizer 23, first
211 and first driven gear 212 of moving gear is transferred on output shaft 12；When synchronizer 23 is combined with the second driving gear 221,
Power on input shaft 11 passes sequentially through synchronizer 23, the second driving gear 221 and the second driven gear 222 and is transferred to output shaft
On 12.
In conclusion the utility model is by the way that the jack shaft 13 on differential mechanism 31 on 11 side of input shaft is worn
In the laying vacating space in input shaft 11, being no longer individually for jack shaft 13, it is possible to reduce the width of speed changer, further
Ground, under such a distribution method, differential mechanism 31 is located at end of the input shaft 11 away from 41 side of power source, and is located at output shaft 12
Towards the side of input shaft 11, that is, differential mechanism 31 can make full use of the space between input shaft 11 and output shaft 12, into one
Step reduces the volume of speed changer.The speed changer can make speed changer on the basis of the dynamic property and economy of speed changer is ensured
Structure it is more compact.
The utility model additionally provides a kind of automobile, including speed changer provided by the utility model, on its of the automobile
Its structure, refers to the prior art, and details are not described herein.
The above descriptions are merely preferred embodiments of the present invention, and not the utility model is made in any form
Limitation, although the utility model has been disclosed with preferred embodiment as above, but be not limited to the utility model, it is any ripe
Professional and technical personnel is known, is not being departed from the range of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made according to the technical essence of the utility model to above example, still
Belong in the range of technical solutions of the utility model.
Claims (8)
- A kind of 1. speed changer, it is characterised in that：Including input shaft, output shaft, first gear group, second gear group, synchronizer, subtract Fast gear set, differential mechanism and jack shaft, the input shaft are connected with power source, and the input shaft is parallel with the output shaft to be set Put, the first gear group and the second gear group are arranged between the input shaft and the output shaft, the synchronizer It is arranged on one of the input shaft and the output shaft, and is arranged at the first gear group and the second gear Between group, the output shaft is connected by the train of reduction gears with the differential mechanism, and the jack shaft is arranged at the difference The both sides of fast device, the jack shaft positioned at the differential mechanism towards the input shaft side are arranged in the input shaft, and with The input shaft is coaxially disposed.
- 2. speed changer according to claim 1, it is characterised in that：The first gear group includes the first driving gear and the One driven gear, the second gear group include the second driving gear and the second driven gear, first driving gear and One driven gear engages, and second driving gear engages with second driven gear, first driving gear and described Second driving gear is fixed on the input shaft, and first driven gear and second driven gear are placed in described defeated On shaft, the synchronizer is arranged on the output shaft, and is arranged at first driven gear and second driven tooth Between wheel.
- 3. speed changer according to claim 1, it is characterised in that：The first gear group includes the first driving gear and the One driven gear, the second gear group include the second driving gear and the second driven gear, first driving gear and One driven gear engages, and second driving gear engages with second driven gear, first driving gear and described Second driving gear is placed on the input shaft, and first driven gear and second driven gear are fixed on described defeated On shaft, the synchronizer is arranged on the input shaft, and is arranged at first driving gear and second driving tooth Between wheel.
- 4. speed changer according to claim 1, it is characterised in that：The differential mechanism is located at the input shaft away from described dynamic The end of power source side, and positioned at the side where the output shaft towards the input shaft.
- 5. speed changer according to claim 4, it is characterised in that：The train of reduction gears includes deceleration driving gear and subtracts Fast driven gear, the deceleration driving gear are engaged with the reduction driven gear, and deceleration driving gear is fixed in the output On axis, the reduction driven gear is connected with the differential mechanism, and the reduction driven gear is placed in the differential mechanism towards institute On the jack shaft for stating power source side.
- 6. speed changer according to claim 1, it is characterised in that：Bearings plate, institute are additionally provided with the speed changer State bearings plate to be fixed on the babinet of the speed changer, relative to the jack shaft and institute in the bearings plate The position for stating output shaft is offered through hole, and the jack shaft sequentially passes through described through hole, the input shaft and described dynamic Power source is connected with wheel, and described pass through in hole is stretched into one end of the input shaft.
- 7. speed changer according to claim 6, it is characterised in that：The speed changer be additionally provided with input shaft spring bearing and Jack shaft spring bearing, the input shaft spring bearing and the jack shaft spring bearing are both secured to described pass through hole It is interior, and the input shaft and the jack shaft are supported respectively, the input shaft spring bearing is located at the input shaft Side away from the power source, the jack shaft spring bearing are located at the reduction driven gear away from the differential mechanism Side.
- A kind of 8. automobile, it is characterised in that：Including the speed changer described in any one in claim 1 to claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721144903.2U CN207297760U (en) | 2017-09-07 | 2017-09-07 | Speed changer and the automobile with the speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721144903.2U CN207297760U (en) | 2017-09-07 | 2017-09-07 | Speed changer and the automobile with the speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207297760U true CN207297760U (en) | 2018-05-01 |
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ID=62446371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721144903.2U Active CN207297760U (en) | 2017-09-07 | 2017-09-07 | Speed changer and the automobile with the speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207297760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853179A (en) * | 2020-06-04 | 2020-10-30 | 义乌吉利自动变速器有限公司 | Two-gear speed reducer device and vehicle |
-
2017
- 2017-09-07 CN CN201721144903.2U patent/CN207297760U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853179A (en) * | 2020-06-04 | 2020-10-30 | 义乌吉利自动变速器有限公司 | Two-gear speed reducer device and vehicle |
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