CN207648063U - The transmission mechanism of two-gear transmission - Google Patents
The transmission mechanism of two-gear transmission Download PDFInfo
- Publication number
- CN207648063U CN207648063U CN201721860597.2U CN201721860597U CN207648063U CN 207648063 U CN207648063 U CN 207648063U CN 201721860597 U CN201721860597 U CN 201721860597U CN 207648063 U CN207648063 U CN 207648063U
- Authority
- CN
- China
- Prior art keywords
- gear
- driven
- jackshaft
- driving
- transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 54
- 230000007246 mechanism Effects 0.000 title claims abstract description 37
- 230000009467 reduction Effects 0.000 claims abstract description 11
- 230000009471 action Effects 0.000 abstract description 2
- 210000000515 tooth Anatomy 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010862 gear shaping Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Landscapes
- Structure Of Transmissions (AREA)
Abstract
The utility model discloses a kind of transmission mechanisms of two-gear transmission, including input shaft, jackshaft and differential mechanism, a gear driving gear and two gear driving gear are provided on the input shaft, a gear driven gear and two gear driven gears are provided on the jackshaft, the one gear driving gear and a gear driven gear engagement, the two gear driving gear and two gear driven gear engagements；It is provided with synchronizer between the one gear driven gear and two gear driven gears, the synchronizer is mounted on jackshaft, and synchronizer can be engaged with a gear driven gear and two gear driven gears respectively, and power is made to be transmitted on jackshaft；It is provided with deceleration driving tooth on the jackshaft, reduction driven tooth is provided on the differential mechanism, the deceleration driving tooth is meshed with reduction driven tooth.The utility model increases driven reducing gear on differential mechanism, can increase the transmission ratio of speed changer；It is transmitted simultaneously into action edge using the form of parallel axes+gear engagement, it is compact-sized, save space.
Description
Technical field
The utility model is related to a kind of technical field of automobile parts, relate generally to a kind of driver of two-gear transmission
Structure.
Background technology
As the anxiety of non-renewable energy resources crisis, petroleum-based energy in recent years, greenhouse effects, toxic gas discharge capacity increase
The appearance of environmental problems and the enhancing of people's environmental consciousness such as add, pure electric automobile continues to develop, while various countries also open
Beginning focuses on the research of pure electric automobile.
Speed changer is very important component on vehicle, it can change transmission ratio, expands driving wheel torque and rotating speed.Mesh
Before, the speed changer that electric vehicle is equipped with is mainly two-gear transmission, and two-gear transmission is mainly by transmission mechanism and gear shifting actuating mechanism
Composition.
Transmission mechanism includes input shaft and jackshaft composition, and a gear driving gear and two gear driving tooths are provided on input shaft
It takes turns, a gear driven gear and two gear driven gears is provided on centre, a gear driving gear and a gear driven gear engage, two gears
Driving gear and two gear driven gears engagements, are provided with synchronizer on jackshaft, and when work, synchronizer axial direction is stirred by shift fork
Movement makes synchronizer be engaged with a gear driven gear or two gear driven gears, transfers power to jackshaft, then again will be intermediate
The power of axis output is transmitted to differential mechanism, and the semiaxis finally connected again by differential mechanism both ends is output on wheel.
Gear shifting actuating mechanism includes driving motor, drive shaft, transmission shaft, shift fork and shift fork axle, wherein driving motor it is defeated
Go out axis connection drive shaft, drives drive shaft turns；Intermeshing transmission parts (such as tooth is provided in drive shaft and transmission shaft
Wheel etc.), drive transmission rotation, transmission shaft rotation that shift fork is driven to be axially moved in shift fork axle by transmission parts, shift fork connection
On synchronizer, to drive synchronizer to be axially moved, synchronizer is made to be connect respectively with a gear driven gear or two gear driven gears
It closes, realizes that power transmits.
Deficiency is existing for above-mentioned two-gear transmission：(1) transmission ratio is changed by gear first, in the condition of limited space
Under, transmission ratio is small；(2) there was only neutral gear, kept off without P, safety is poor；(3) P keeps off shift fork and selector fork not on the same axis, empty
Between occupy it is big.
Utility model content
For the above the deficiencies in the prior art, the purpose of this utility model is to provide a kind of two compact-sized gear speed changes
The transmission mechanism of device.
In order to achieve the above objectives, the technical solution of the utility model is：
A kind of transmission mechanism of two-gear transmission, including input shaft, jackshaft and differential mechanism are provided on the input shaft
One gear driving gear and two gear driving gear, a gear driving gear and two gear driving gear can turn with input shaft is synchronous
It is dynamic；A gear driven gear and two gear driven gears, a gear driven gear and two gear driven tooths are provided on the jackshaft
Wheel is mounted on by bearing on jackshaft；The one gear driving gear and a gear driven gear engagement, the two gear driving gear
With two gear driven gear engagements；It is provided with synchronizer, the synchronizer between the one gear driven gear and two gear driven gears
On jackshaft, and synchronizer can be engaged with a gear driven gear and two gear driven gears respectively, and power is made to be transmitted to
On jackshaft；It is additionally provided with deceleration driving tooth on the jackshaft, reduction driven tooth, the deceleration are provided on the differential mechanism
Driving tooth is meshed with reduction driven tooth, and power is made to be transmitted on differential mechanism from jackshaft.
Further, P gear ratchets are provided on the jackshaft.
Further, the gear driving gear, two gear driving gear and input shaft are structure as a whole.
Further, the gear driving gear, a gear driven gear, two gear driving gear, two gear driven gears, master of slowing down
Moving teeth and reduction driven tooth are all made of helical gear.
The beneficial effects of the utility model are：
(1) the utility model increases driven reducing gear on differential mechanism, can increase the transmission ratio of speed changer；
(2) transmission mechanism of the utility model is transmitted using the form of parallel axes+gear engagement into action edge, and structure is tight
It gathers, saves space.
(3) the utility model increases P gear ratchets, and ratchet can be kept off by P and realizes mechanical locking, safe.
(4) transmission gear of the utility model uses helical gear, variator more steady；
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Wherein two width of type for those of ordinary skill in the art without having to pay creative labor, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the assembling schematic diagram after the two-gear transmission decladding of the utility model embodiment.
Fig. 2 is the gear shifting actuating mechanism of the utility model embodiment and the whole assembling schematic diagram of P gears executing agency.
Fig. 3 is the assembling schematic diagram of the transmission mechanism of the utility model embodiment.
Specific implementation mode
Below in conjunction with attached drawing, the technical solution in the utility model is clearly and completely described, it is clear that retouched
The embodiment stated is only the preferred embodiment of the utility model, instead of all the embodiments.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
Embodiment
As shown in Figs. 1-3, a kind of two-gear transmission, including shell (being not drawn into figure) and the transmission in shell
Mechanism, gear shifting actuating mechanism and P keep off executing agency, wherein transmission mechanism includes input shaft 1, jackshaft 2 and differential mechanism 3, input
A gear driving gear 101 and two gear driving gear 102, a gear driving gear 101 and two gear driving gear 102 are provided on axis 1
It can be rotated synchronously with input shaft 1, specifically, a gear driving gear 101 and two gear driving gear 102 can be matched using interference
The mode of conjunction is fixedly connected on input shaft 1, can also be with 1 integrally casting shaping of input shaft, certainly, when in order to save assembly
Between, a gear driving gear 101, two gear driving gear 102 and input shaft 1 are integrally formed；A gear driven tooth is provided on jackshaft 2
Wheel 201 and two gear driven gears 202, a gear driven gear 201 and two keep off driven gear 202 and are mounted on centre by needle bearing
On axis 2；One gear driving gear 101 and one keeps off driven gear 201 and engages, and two gear driving gear 102 and two is kept off driven gear 202 and nibbled
It closes；Being provided with synchronizer 4 between the one gear gear driven gear 202 of driven gear 201 and two, (structural principle of synchronizer 4 belongs to existing
Have technology, repeat no more herein), synchronizer 4 is mounted on jackshaft 2, and synchronizer 4 can keep off driven tooth with one respectively
Wheel 201 and two gear driven gears 202 engage, and are transferred power to by way of frictional drive on jackshaft 2；On jackshaft 2
It is provided with deceleration driving gear 203, the mode that interference fit may be used in deceleration driving gear 203 is connected on jackshaft 2,
Can be deceleration driving gear 203 and jackshaft 2 is integrally formed, reduction driven gear 301 is arranged on differential mechanism 3, slow down from
Moving gear 301 is connected on differential casing, and deceleration driving gear 203 is engaged with reduction driven gear 301, makes power from centre
Axis 2 is transmitted on differential mechanism 3.
In the present embodiment, it is driven to keep off driven gear 201, the gear of two gear driving gear 102, two for a gear driving gear 101, one
Gear 202, deceleration driving gear 203 and reduction driven gear 301 are all made of helical gear, in this way, the transmission of speed changer is more flat
Surely.
Gear shifting actuating mechanism includes shift motor 501, shift worm screw 502, shift turbine 503, shift turbine wheel shaft 504, changes
Keep off shift fork 505 and shift fork axle 506, wherein the output shaft of shift motor 501 connects shift worm screw 502 by shaft coupling, whirlpool of shifting gears
Wheel 503 is mounted on shift turbine wheel shaft 504, and turbine 503 of shifting gears is engaged with shift worm screw 502；It is set on shift turbine wheel shaft 504
It is equipped with transmission arm 507, one end of transmission arm 507 set by the way of interference fit is set on shift turbine wheel shaft 504 so that transmission
Arm 507 can be rotated with shift turbine wheel shaft 504；Selector fork 505 is mounted in shift fork axle 506, and selector fork 505 acts on together
Device 4 is walked, synchronizer 4 is driven to be axially moved on jackshaft 2；In order to synchronizer 4 move it is more steady, transmission arm 507 it is another
One end is bulb shape, and link block is provided on the side wall of selector fork 505, the clamping coordinated with transmission arm 507 on the link block
The bulb part of slot, transmission arm 507 is installed in buckling groove, and when shift, shift motor 501 drives shift worm screw 502 to rotate, and changes
Keeping off worm screw 502 drives shift turbine 503 to rotate, and the rotation of turbine wheel shaft 504 of shifting gears at this time drives transmission arm 507 to rotate, transmission arm 507
Rotation drives selector fork 505 to be axially moved in shift fork axle 506, to drive synchronizer 4 to be axially moved, makes synchronizer 4
Driven gear 202 is kept off with a gear driven gear 201 or two to engage, and realizes shift.Certainly, power is used as by shift motor 501
Device come realize gear switch, self shifter may be implemented；At the same time it can also drive shift turbine wheel shaft manually by shift lever
504 rotate to realize manual shift, realize auto-manual.
P gears executing agency includes P gears driving motor 601, P gears worm screw 602, P gears turbine 603, P gears turbine wheel shaft 604, P gears
Pawl 605 and P keep off ratchet 606, wherein the output shaft that P keeps off driving motor 601 connects P gear worm screws 602 by shaft coupling, and P keeps off whirlpool
Wheel 603 is mounted on P gear turbine wheel shafts 604, and P gear turbines 603 are engaged with P gear worm screws 602；It is provided on P gear turbine wheel shafts 604
Drive block 607, P keep off the rotation of turbine wheel shaft 604 and drive block 607 are driven to rotate, and the rotation of drive block 607 is stirred P gear pawls 605 and rotated；P
It is provided with gear shaping on gear pawl 605, when the P gear rotations of pawl 605 make gear shaping act on P gear ratchets 606, P keeps off ratchet 606 at this time
It stops operating, is installed on jackshaft 2 by modes such as interference fit or spline fitteds since P keeps off ratchet 606, jackshaft
2 stop operating, and realize mechanical locking, and speed changer is in P gear states at this time.Certainly, driving motor 601 is kept off by P and is used as power
Device come realize gear switch, can automatically switch to P gear；At the same time it can also drive P to keep off turbine wheel shaft manually by shift lever
604 rotate to realize manual shift, realize auto-manual.
In the present embodiment, P keeps off pawl 605 and is mounted in shift fork axle 506, in this way, P gear pawls 605 and selector fork 505
Same shift fork axle is shared, structure is compacter.
In the present embodiment, the mating part of P gear pawls 605 and drive block 607 opens up jagged, is equipped in the notch
The mating part of roller 608, drive block 607 is arc-shaped, and when P gear turbine wheel shafts 604 rotate, drive block 607 rotates, drive block
607 arch section acts on roller 608, and one side active force forces P gear pawls 605 to rotate, and another aspect active force forces
Roller 608 rotates, and to reduce the friction between drive block 607 and P gear pawls 605, prevents occurring fretting wear between the two.
The operation principle of the utility model two-gear transmission is as follows：When vehicle is in transport condition, driver can lead to
Control shift motor 501 is crossed to realize that gear switches, when vehicle is in halted state, driver can drive by controlling P gears
Dynamic motor 601 keeps off to be switched to P, realizes mechanical locking.
The utility model two-gear transmission is kept off with P, can carry out mechanical lock to the output par, c of speed changer after a stoppage
Only, safety is more preferable；The P gear pawls and selector fork of the utility model share same shift fork axle, and structure is compacter；This practicality
Novel gear shifting actuating mechanism uses worm gear drive, shift more steady；The utility model increases driven subtract on differential mechanism
Fast tooth can increase the transmission ratio of speed changer；The transmission gear of the utility model uses helical gear, variator more flat
Surely.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (4)
1. a kind of transmission mechanism of two-gear transmission, which is characterized in that including input shaft, jackshaft and differential mechanism, the input
A gear driving gear and two gear driving gear are provided on axis, a gear driving gear and two gear driving gear can be with inputs
Axis rotates synchronously；A gear driven gear and two gear driven gears, the gear driven gear and two are provided on the jackshaft
Driven gear is kept off to be mounted on jackshaft by bearing；The one gear driving gear and a gear driven gear engagement, two gear
Driving gear and two gear driven gear engagements；It is provided with synchronizer between the one gear driven gear and two gear driven gears, institute
Synchronizer is stated on jackshaft, and synchronizer can be engaged with a gear driven gear and two gear driven gears respectively, be made
Power is transmitted on jackshaft；It is additionally provided with deceleration driving tooth on the jackshaft, reduction driven tooth is provided on the differential mechanism,
The deceleration driving tooth is meshed with reduction driven tooth, and power is made to be transmitted on differential mechanism from jackshaft.
2. the transmission mechanism of two-gear transmission according to claim 1, it is characterised in that：It is provided with P on the jackshaft
Keep off ratchet.
3. the transmission mechanism of two-gear transmission according to claim 1, it is characterised in that：The one gear driving gear, two
Gear driving gear is structure as a whole with input shaft.
4. the transmission mechanism of two-gear transmission according to claim 1, it is characterised in that：The one gear driving gear, one
Gear driven gear, two gear driving gear, two gear driven gears, deceleration driving tooth and reduction driven tooth are all made of helical gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721860597.2U CN207648063U (en) | 2017-12-27 | 2017-12-27 | The transmission mechanism of two-gear transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721860597.2U CN207648063U (en) | 2017-12-27 | 2017-12-27 | The transmission mechanism of two-gear transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207648063U true CN207648063U (en) | 2018-07-24 |
Family
ID=62875549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721860597.2U Expired - Fee Related CN207648063U (en) | 2017-12-27 | 2017-12-27 | The transmission mechanism of two-gear transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207648063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513446A (en) * | 2019-09-18 | 2019-11-29 | 陈龙 | A kind of electric vehicle gear box |
-
2017
- 2017-12-27 CN CN201721860597.2U patent/CN207648063U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513446A (en) * | 2019-09-18 | 2019-11-29 | 陈龙 | A kind of electric vehicle gear box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107763206A (en) | The shift transmission of electric car two | |
| CN113561757A (en) | Single-motor single-planetary-row multi-gear hybrid power gearbox and hybrid power vehicle | |
| CN207648063U (en) | The transmission mechanism of two-gear transmission | |
| CN204327884U (en) | Electric vehicle automatic transmission case | |
| CN209164508U (en) | Used in new energy vehicles two keeps off planetary automatic gear-box | |
| CN207648116U (en) | The gearshift of two-gear transmission | |
| CN108167401A (en) | Two shift transmissions | |
| CN111120614A (en) | Mechanical hydraulic stepless transmission and vehicle using same | |
| CN110030356A (en) | A kind of third gear electric car automatic speed transmission based on bevel gear | |
| CN210111779U (en) | Novel double-speed reducing motor | |
| CN110578772B (en) | Special gearbox of hybrid | |
| CN109383265B (en) | Hybrid power gearbox structure and working method thereof | |
| WO2023109838A1 (en) | Transmission | |
| CN207433246U (en) | Pure electric automobile dual-motor drive system | |
| CN209650031U (en) | A kind of hybrid power gearbox structure | |
| CN207311105U (en) | A kind of 2AMT power drive systems of integrated form | |
| CN203627690U (en) | Automatic gearbox | |
| CN209096465U (en) | The three shift transmission drive systems based on hybrid power | |
| CN205877093U (en) | Gearbox is kept off to planet formula of arranging two | |
| CN212124836U (en) | Electric automobile gear drive gearbox | |
| CN111720537A (en) | Two-gear speed reducer for integrated electronic parking | |
| CN217115945U (en) | Driving system for realizing automatic gear shifting of differential mechanism through positive and negative rotation of motor | |
| CN220850590U (en) | Sequence type manual two-drive gearbox for racing | |
| CN212177787U (en) | Chain wheel transmission gearbox of electric automobile | |
| CN221323174U (en) | Three-speed double-output gearbox |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |