CN201660097U - Transmission case of electric vehicle shift driving hub - Google Patents
Transmission case of electric vehicle shift driving hub Download PDFInfo
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- CN201660097U CN201660097U CN2010201465319U CN201020146531U CN201660097U CN 201660097 U CN201660097 U CN 201660097U CN 2010201465319 U CN2010201465319 U CN 2010201465319U CN 201020146531 U CN201020146531 U CN 201020146531U CN 201660097 U CN201660097 U CN 201660097U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model provides a transmission case of an electric vehicle shift driving hub, which belongs to the technical field of electric vehicles and solves the problem that existing shifting motors have large noise and shorter service life in work. The shift driving hub of the transmission case comprises a fixed shaft, a hub casing arranged on the periphery of the fixed shaft and capable of rotating relative to the fixed shaft, a driving motor fixed on the fixed shaft and arranged inside the hub casing. The transmission case is arranged inside the hub casing, wherein one end of the transmission case body is fixed onto the driving motor, a transmission mechanism is arranged inside the transmission case body, an input end of the transmission mechanism is connected with the driving motor, an output end is fixedly connected with the hub casing, and a support bearing is arranged between the other end of the transmission case body and an output end of the transmission mechanism. The transmission case has the advantages of reasonable design, high rigidity, low working noise, long service life and the like.
Description
Technical field
The utility model belongs to the vehicle technology field, relates to electrically-propelled vehicle shifting driving hub, especially relates to a kind of change speed gear box of electrically-propelled vehicle shifting driving hub.
Background technology
The wheel hub of battery-driven car is the important component part in the power system of electric automobile, and electric vehicle hub engine installation in the market mostly adopts brushless low speed wheel hub motor direct drive.When battery-driven car startup, climbing and heavy duty, can only strengthen electric current, make motor under overload situations, work, to obtain bigger torque.At this moment, not only the energy consumption of motor is big, efficient is low, has also reduced the cruising radius of battery-driven car widely.
At present, the used transmission system of motor mainly contains two kinds, and a kind of is the stepless controller speed change of electronic type, and another kind is the mechanical type gear shift mode.The stepless controller speed change of electronic type can obtain from 0 maximum speed of revolution to motor, good speed change curve is arranged, but the level of torque that it is exported is directly consistent with the received current size variation of motor, and (when voltage is constant) just the big more electric current of motor load is just big more.The mechanical type gear shift mode can be the step change formula, also can be stepless speed change type.The mechanical type gear shift mode is more topmost to be the output torques that can obtain different sizes, just when received current is constant, by the mechanical type slowing down power torque is increased, and perhaps torque is reduced during speedup.Mono-drives big gear wheel by miniature gears and obtains big moment, and this structure can only obtain shelves when not increasing gear shift mechanism in addition, and can't realize many grades of outputs.
For this reason, people have carried out long-term exploration, have proposed various solutions.For example Chinese patent literature discloses a kind of wheel hub electric motor of electric vehicle [application number: CN200710164728.8], comprise hub shell, end cap, speed reduction gearing and motor component, motor component comprises stator and rotor, rotor is placed in the stator, one end of described stator is closed by the stator terminal cap seal, the stator end cap outside is fixed with left half axle, left half axle passes from the center of left end cap, the other end of stator is connected with the retarder seat, and stator end cap, stator and retarder seat three are fixed into an integral body by bolt; Described retarder seat is provided with a centre hole and about the planetary wheel of centre hole symmetry, the mouth of rotor passes this centre hole and planetary wheel engagement, and left end cap and right end cap are connected on the hub shell motor and speed reduction gearing are surrounded.
Yet shift motor of the prior art noise when work is bigger, and service life is short.Although adopt high-precision gear, significantly increase cost, also can't fundamentally solve the problems of the technologies described above.Its major cause is: the rigidity of retarder seat (change speed gear box) is not enough, occurs distortion in the course of the work easily, thereby causes gear clearance to change, and occurs each other rocking, colliding.
Summary of the invention
The purpose of this utility model is at the problems referred to above, provides a kind of reasonable in design, the rigidity height, and operating noise is little, the change speed gear box of the electrically-propelled vehicle shifting driving hub of long service life.
For achieving the above object, the utility model has adopted following technical proposal: the change speed gear box of this electrically-propelled vehicle shifting driving hub, this shift drive hub comprises an anchor shaft, be located at the hub shell that anchor shaft is peripheral and can rotate with respect to anchor shaft, in hub shell, be provided with the drive motor that is fixed on the anchor shaft, it is characterized in that, this change speed gear box comprises the gearbox body that is positioned at hub shell, one end of this gearbox body is fixed on the drive motor, in gearbox body, be provided with speed-changing mechanism, the input end and the drive motor of this speed-changing mechanism link, mouth and hub shell are connected, and are provided with backup bearing between the other end of described gearbox body and the mouth of speed-changing mechanism.
The two ends of change speed gear box of the present utility model all obtain strong support, so the integral rigidity height, are difficult for deformation takes place, and the speed-changing mechanism that is installed in the change speed gear box also can remain fixed position, can not occur offset in the course of the work.Therefore, reduce operating noise effectively, prolonged service life.In fact, the utility model is by the break-in of the speed-changing mechanism at use initial stage, along with the passing of period of service can further reduce noise on the contrary, makes more stable transmission reliable.
In the change speed gear box of above-mentioned electrically-propelled vehicle shifting driving hub, described speed-changing mechanism comprises driven wheel that is connected on the drive motor and the output gear that is connected on the hub shell, be provided with first one-way driving mechanism that when driven wheel just changes, can drive the output gear rotation between driven wheel and the output gear, can drive second one-way driving mechanism that output gear rotates also being provided with between driven wheel and the output gear when driven wheel reverses, the rotation direction of described output gear is identical and be in low gear or high gear respectively when drive motor drives the driven wheel forward or reverse.
When drive motor drive driven wheel was just changeing, first one-way driving mechanism can make driven wheel drive output gear and rotate; And this moment, second one-way driving mechanism can not make driven wheel drive the output gear rotation.When the counter-rotating of drive motor drive driven wheel, first one-way driving mechanism can not make driven wheel drive output gear and rotate, and this moment, second one-way driving mechanism can make driven wheel drive output gear rotate.That is to say that the unidirectional transmission direction of first one-way driving mechanism and second one-way driving mechanism is opposite.No matter drive motor is just to change or reverse, can both make output gear have unidirectional takeoff output.Usually, the transmitting ratio of first one-way driving mechanism and second one-way driving mechanism can design according to actual needs.In the utility model, the speed change amplitude of low gear and high speed gear is big, and the shift process is also very convenient, need not mechanical control.
In the change speed gear box of above-mentioned electrically-propelled vehicle shifting driving hub, described gearbox body comprises body and side cover, one end and the drive motor of body are connected, the other end and side cover are connected, on side cover, have delivery orifice, described backup bearing is housed in delivery orifice, is provided with the internally toothed annulus that links with output gear in backup bearing, this internally toothed annulus and hub shell are connected.
In the change speed gear box of above-mentioned electrically-propelled vehicle shifting driving hub, described hub shell comprises the wheel hub sleeve that is placed in the drive motor periphery, be fixed with first limit lid and second limit lid respectively at the two ends of wheel hub sleeve, between first limit lid and anchor shaft, be provided with clutch shaft bearing, between second limit lid and anchor shaft, be provided with second bearing.
In the change speed gear box of above-mentioned electrically-propelled vehicle shifting driving hub, described first one-way driving mechanism comprises first gear and second gear of coaxial setting, between first gear and second gear, be provided with first overriding clutch, described driven wheel is meshed with first gear, and described output gear is meshed with second gear.
In the change speed gear box of above-mentioned electrically-propelled vehicle shifting driving hub, described second one-way driving mechanism comprises the gear one and the gear two of coaxial setting, and reversing gear, between gear one and gear two, be provided with second overriding clutch, described reversing gear is meshed with described driven wheel and gear one respectively, and gear two is meshed with described output gear.
Compared with prior art, the advantage of the change speed gear box of this electrically-propelled vehicle shifting driving hub is: reasonable in design, simple in structure, because the change speed gear box two ends all obtain strong support, the integral rigidity height, deformation can not take place in long-term use yet, noise is little during work, long service life.
Description of drawings
Fig. 1 is the sectional structure scheme drawing that the utility model provides.
Fig. 2 is the part-structure block diagram that the utility model provides.
Fig. 3 is another part structural perspective that the utility model provides.
Among the figure, anchor shaft 1, hub shell 2, wheel hub sleeve 21, lid 22, second limit, first limit lid 23, drive motor 3, gearbox body 4, body 41, side cover 42, delivery orifice 420, speed-changing mechanism 5, driven wheel 51, output gear 52, internally toothed annulus 53, first gear 541, second gear 542, first overriding clutch 543, gear 1, gear 2 552, reversing gear 553, second overriding clutch 554, flange fluted disc 56, backup bearing 6, clutch shaft bearing 7, second bearing 8.
The specific embodiment
As shown in Figure 1, the shift drive hub comprises an anchor shaft 1, is located at anchor shaft 1 periphery and can be provided with the drive motor 3 that is fixed on the anchor shaft 1 in hub shell 2 with respect to the hub shell 2 of anchor shaft 1 rotation.Hub shell 2 comprises the wheel hub sleeve 21 that is placed in drive motor 3 peripheries, is fixed with lid 22 and second limit, first limit lid 23 respectively at the two ends of wheel hub sleeve 21.Between first limit lid 22 and anchor shaft 1, be provided with clutch shaft bearing 7, between second limit lid 23 and anchor shaft 1, be provided with second bearing 8.
This change speed gear box comprises the gearbox body 4 that is positioned at hub shell 2, and an end of this gearbox body 4 is fixed on the drive motor 3, is provided with speed-changing mechanism 5 in gearbox body 4, and the input end of this speed-changing mechanism 5 and drive motor 3 link, and mouth and hub shell 2 are connected.Be provided with backup bearing 6 between the mouth of the other end of gearbox body 4 and speed-changing mechanism 5.
Shown in Fig. 2 and 3, speed-changing mechanism 5 comprises driven wheel 51 that is connected on the drive motor 3 and the output gear 52 that is connected on the hub shell 2, between driven wheel 51 and output gear 52, be provided with and when driven wheel 51 is just changeing, can drive first one-way driving mechanism that output gear 52 rotates, when also being provided with between driven wheel 51 and the output gear 52, can drive second one-way driving mechanism that output gear 52 rotates when driven wheel 51 counter-rotatings.The rotation direction of output gear 52 is identical and be in low gear or high gear respectively when drive motor 3 drives driven wheels 51 forward or reverse.More particularly, gearbox body 4 comprises body 41 and side cover 42, and an end and the drive motor 3 of body 41 are connected, and the other end and side cover 42 are connected.Have delivery orifice 420 on side cover 42, backup bearing 6 is housed in delivery orifice 420, be provided with the internally toothed annulus 53 that links with output gear 52 in backup bearing 6, this internally toothed annulus 53 is connected with hub shell 2.The internally toothed annulus 53 here links by flange fluted disc 56 and output gear 52.
First one-way driving mechanism comprises first gear 541 and second gear 542 of coaxial setting, is provided with first overriding clutch 543 between first gear 541 and second gear 542.Driven wheel 51 is meshed with first gear 541, and output gear 52 is meshed with second gear 542.Second one-way driving mechanism comprises the gear 1 and the gear 2 552 of coaxial setting, and a reversing gear 553.Be provided with second overriding clutch 554 between gear 1 and gear 2 552, reversing gear 553 is meshed with driven wheel 51 and gear 1 respectively, and gear 2 552 is meshed with output gear 52.
When work, the two ends of this change speed gear box all obtain strong support, so the integral rigidity height, are difficult for deformation takes place, and the speed-changing mechanism that is installed in the change speed gear box also can remain fixed position, can not occur offset in the course of the work.Reduce operating noise effectively, prolonged service life.In fact, the utility model is by the break-in of the speed-changing mechanism at use initial stage, along with the passing of period of service can further reduce noise on the contrary, makes more stable transmission reliable.
When drive motor 3 drive driven wheels 51 were just changeing, first one-way driving mechanism can make driven wheel 51 drive output gears 52 and rotate; And this moment, second one-way driving mechanism can not make driven wheel 51 drive output gear 52 rotations.When 51 counter-rotatings of drive motor 3 drive driven wheels, first one-way driving mechanism can not make driven wheel 51 drive output gears 52 and rotate, and this moment, second one-way driving mechanism can make driven wheel 51 drive output gears 52 rotate.That is to say that the unidirectional transmission direction of first one-way driving mechanism and second one-way driving mechanism is opposite.No matter drive motor 3 is just to change or reverse, can both make output gear 52 have unidirectional takeoff output.
Specific embodiment described herein only is that the utility model spirit is made casehistory.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as anchor shaft 1, hub shell 2, wheel hub sleeve 21, lid 22, second limit, first limit lid 23, drive motor 3, gearbox body 4, body 41, side cover 42, delivery orifice 420, speed-changing mechanism 5, driven wheel 51, output gear 52, internally toothed annulus 53, first gear 541, second gear 542, first overriding clutch 543, gear 1, gear 2 552, reversing gear 553, second overriding clutch 554, flange fluted disc 56, backup bearing 6, clutch shaft bearing 7, second bearing 8 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (6)
1. the change speed gear box of an electrically-propelled vehicle shifting driving hub, this shift drive hub comprises an anchor shaft (1), be located at the hub shell (2) that anchor shaft (1) is peripheral and can rotate with respect to anchor shaft (1), in hub shell (2), be provided with the drive motor (3) that is fixed on the anchor shaft (1), it is characterized in that, this change speed gear box comprises the gearbox body (4) that is positioned at hub shell (2), one end of this gearbox body (4) is fixed on the drive motor (3), in gearbox body (4), be provided with speed-changing mechanism (5), input end of this speed-changing mechanism (5) and drive motor (3) link, mouth and hub shell (2) are connected, and are provided with backup bearing (6) between the mouth of the other end of described gearbox body (4) and speed-changing mechanism (5).
2. the change speed gear box of electrically-propelled vehicle shifting driving hub according to claim 1, it is characterized in that, described speed-changing mechanism (5) comprises the driven wheel (51) that is connected on the drive motor (3) and is connected in output gear (52) on the hub shell (2), between driven wheel (51) and output gear (52), be provided with first one-way driving mechanism that can drive output gear (52) rotation when driven wheel (51) when just changeing, can drive second one-way driving mechanism that output gear (52) rotates also being provided with between driven wheel (51) and the output gear (52) when driven wheel (51) reverses, the rotation direction of described output gear (52) is identical and be in low gear or high gear respectively when drive motor (3) drives driven wheel (51) forward or reverse.
3. the change speed gear box of electrically-propelled vehicle shifting driving hub according to claim 2, it is characterized in that, described gearbox body (4) comprises body (41) and side cover (42), one end of body (41) and drive motor (3) are connected, the other end and side cover (42) are connected, on side cover (42), have delivery orifice (420), described backup bearing (6) is housed in delivery orifice (420), be provided with the internally toothed annulus (53) that links with output gear (52) in backup bearing (6), this internally toothed annulus (53) is connected with hub shell (2).
4. according to the change speed gear box of claim 1 or 2 or 3 described electrically-propelled vehicle shifting driving hubs, it is characterized in that, described hub shell (2) comprises the wheel hub sleeve (21) that is placed in drive motor (3) periphery, be fixed with first limit lid (22) and second limit lid (23) respectively at the two ends of wheel hub sleeve (21), between first limit lid (22) and anchor shaft (1), be provided with clutch shaft bearing (7), between second limit lid (23) and anchor shaft (1), be provided with second bearing (8).
5. the change speed gear box of electrically-propelled vehicle shifting driving hub according to claim 2, it is characterized in that, described first one-way driving mechanism comprises first gear (541) and second gear (542) of coaxial setting, between first gear (541) and second gear (542), be provided with first overriding clutch (543), described driven wheel (51) is meshed with first gear (541), and described output gear (52) is meshed with second gear (542).
6. the change speed gear box of electrically-propelled vehicle shifting driving hub according to claim 2, it is characterized in that, described second one-way driving mechanism comprises the gear one (551) and the gear two (552) of coaxial setting, an and reversing gear (553), between gear one (551) and gear two (552), be provided with second overriding clutch (554), described reversing gear (553) is meshed with described driven wheel (51) and gear one (551) respectively, and gear two (552) is meshed with described output gear (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201465319U CN201660097U (en) | 2010-03-31 | 2010-03-31 | Transmission case of electric vehicle shift driving hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201465319U CN201660097U (en) | 2010-03-31 | 2010-03-31 | Transmission case of electric vehicle shift driving hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201660097U true CN201660097U (en) | 2010-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201465319U Expired - Fee Related CN201660097U (en) | 2010-03-31 | 2010-03-31 | Transmission case of electric vehicle shift driving hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201660097U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI486270B (en) * | 2011-03-31 | 2015-06-01 | Honda Motor Co Ltd | Electric vehicle |
| CN105156600A (en) * | 2015-09-30 | 2015-12-16 | 王新平 | Spin-out second-gear electric transmission |
| CN107032062A (en) * | 2017-06-15 | 2017-08-11 | 常州百擎智能工程有限公司 | Variable transmission mechanism and its twin-screw batcher |
| CN109301990A (en) * | 2018-11-19 | 2019-02-01 | 苏州蓝石新动力有限公司 | High gear motor assembly, transmission case assembly and electronic vehicle equipment |
-
2010
- 2010-03-31 CN CN2010201465319U patent/CN201660097U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI486270B (en) * | 2011-03-31 | 2015-06-01 | Honda Motor Co Ltd | Electric vehicle |
| CN105156600A (en) * | 2015-09-30 | 2015-12-16 | 王新平 | Spin-out second-gear electric transmission |
| CN105156600B (en) * | 2015-09-30 | 2018-01-16 | 王新平 | A kind of two grades of electric gear shift(ing)s of outward rotation type |
| CN107032062A (en) * | 2017-06-15 | 2017-08-11 | 常州百擎智能工程有限公司 | Variable transmission mechanism and its twin-screw batcher |
| CN109301990A (en) * | 2018-11-19 | 2019-02-01 | 苏州蓝石新动力有限公司 | High gear motor assembly, transmission case assembly and electronic vehicle equipment |
| CN109301990B (en) * | 2018-11-19 | 2023-11-07 | 苏州蓝石新动力有限公司 | High-speed gear motor assembly, gearbox assembly and electric carrying equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Li Yueyan Assignor: Huayang Mechanical-Electrical Technologies Co., Ltd. Contract record no.: 2013330000123 Denomination of utility model: Transmission case of electric vehicle shift driving hub Granted publication date: 20101201 License type: Exclusive License Record date: 20130506 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Li Yueyan Assignor: Huayang Mechanical-Electrical Technologies Co., Ltd. Contract record no.: 2013330000123 Date of cancellation: 20130813 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180711 Address after: 318020 5 Huangyan Road, Jiangkou street, Huangyan District, Taizhou, China Patentee after: Taizhou ad Intelligent Equipment Co., Ltd. Address before: 318020 8 Jinchuan Road, West Industrial Park, Huangyan Economic Development Zone, Taizhou, Zhejiang Patentee before: Huayang Mechanical-Electrical Technologies Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 318020 No. 328, Yin Shan Road, Fangshan village, Nancheng street, Huangyan District, Taizhou, Zhejiang Patentee after: Zhejiang yuan Bang Intelligent Equipment Co., Ltd. Address before: 318020 5 Huangyan Road, Jiangkou street, Huangyan District, Taizhou, China Patentee before: Taizhou ad Intelligent Equipment Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20190331 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |