CN214404552U - Stepless speed change transmission device - Google Patents
Stepless speed change transmission device Download PDFInfo
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- CN214404552U CN214404552U CN202023123668.5U CN202023123668U CN214404552U CN 214404552 U CN214404552 U CN 214404552U CN 202023123668 U CN202023123668 U CN 202023123668U CN 214404552 U CN214404552 U CN 214404552U
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- continuously variable
- driving motor
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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 belongs to the technical field of the electric automobile transmission, especially, relate to a infinitely variable transmission. The utility model discloses to among the prior art infinitely variable device mostly realize through chain drive or belt drive, the lower problem of transmission efficiency of this kind of transmission mode provides a infinitely variable transmission, including driving motor, driving motor passes through drive assembly and output shaft drive and is connected, still be equipped with the subassembly that converges between drive assembly and the driving motor, it is connected with driving motor to converge subassembly one end, and the other end is connected with drive assembly, still includes infinitely variable subassembly, infinitely variable subassembly meshes with the subassembly that converges through the gear. The utility model discloses utilize the driven mode of gear engagement to realize infinitely variable, transmission efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of the electric automobile transmission, especially, relate to a infinitely variable transmission.
Background
The stepless speed change is one of automatic transmission type speed change boxes, and refers to a speed change system capable of continuously obtaining any transmission ratio in a speed change range. Through stepless speed change, the gear change process has no stutter, and the optimal matching of a transmission system and the working condition of an engine can be obtained. The prior stepless speed change devices are mostly realized by chain transmission or belt transmission, and the transmission efficiency of the transmission mode is low.
For example, the chinese utility model discloses a cascade type oscillating tooth continuously variable transmission device [ application number: 201420769216.X ], this utility model includes two pairs of loose gear, input shaft, an at least jackshaft, output shaft, and inside through metal chain or the area connection of each pair of loose gear adopts the loose tooth meshing transmission, and the jackshaft both is preceding one-level output shaft, also is the back one-level input shaft.
The utility model discloses a have and increased traditional infinitely variable speed ratio scope, can realize the advantage of the good matching of infinitely variable speed device and engine, but it still does not solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide a higher infinitely variable transmission of transmission efficiency.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the stepless speed change transmission device comprises a driving motor, wherein the driving motor is in driving connection with an output shaft through a transmission assembly, a confluence assembly is further arranged between the transmission assembly and the driving motor, one end of the confluence assembly is connected with the driving motor, the other end of the confluence assembly is connected with the transmission assembly, the stepless speed change transmission device further comprises a stepless speed change assembly, and the stepless speed change assembly is meshed with the confluence assembly through a gear.
In the above continuously variable transmission, the confluence module comprises a planetary row, one end of the planetary row is in driving connection with the driving motor, the other end of the planetary row is in driving connection with the transmission module, and the continuously variable transmission module is engaged with the planetary row through a gear.
In foretell infinitely variable transmission, the planet is arranged including sun gear and ring gear, driving motor's output shaft and sun gear fixed connection, infinitely variable subassembly passes through the gear and arranges the meshing mutually with the planet, be equipped with the planet wheel between sun gear and the ring gear, the planet wheel meshes with sun gear and ring gear mutually respectively, still includes the planet carrier, planet carrier one end is connected at the center of planet wheel, and the other end is connected with the drive assembly drive.
In the above continuously variable transmission device, the continuously variable transmission assembly includes a rotation speed control device and a transmission output shaft fixedly connected to the rotation speed control device, the transmission output shaft is fixedly connected to a transmission gear, and the transmission gear is engaged with the outer surface of the gear ring.
In the above continuously variable transmission, the axis of the change speed output shaft is parallel to the axis of the ring gear.
In the above continuously variable transmission device, the transmission assembly includes a first transmission shaft and a second transmission shaft, the first transmission gear is fixedly connected to the first transmission shaft, the second transmission gear and a third transmission gear are both fixedly connected to the second transmission shaft, the first transmission gear is meshed with the second transmission gear, and the third transmission gear is in driving connection with the output shaft.
In the continuously variable transmission device, the output shaft is further provided with a differential assembly, the differential assembly is fixedly connected with a fourth transmission gear, and the fourth transmission gear is meshed with the third transmission gear.
In the continuously variable transmission described above, the first transmission shaft, the second transmission shaft, and the output shaft are arranged in parallel with each other.
In the continuously variable transmission described above, the axis of the first transmission shaft coincides with the axis of the output shaft of the drive motor.
In the continuously variable transmission described above, the diameter of the second transmission gear is larger than the diameter of the first transmission gear and the diameter of the second transmission gear is larger than the diameter of the third transmission gear.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses utilize the driven mode of gear engagement to realize infinitely variable, transmission efficiency is high.
2. The utility model discloses compact structure, occupation space size is little, saves chassis space, effectively reduces whole axle weight, can further improve the vehicle performance.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: the device comprises a driving motor 1, a transmission component 2, an output shaft 3, a confluence component 4, a continuously variable transmission component 5, a differential assembly 6, a first transmission shaft 21, a second transmission shaft 22, a first transmission gear 23, a second transmission gear 24, a third transmission gear 25, a fourth transmission gear 26, a planet row 41, a sun gear 42, a gear ring 43, a planet gear 44, a planet carrier 45, a rotating speed control device 51, a speed change gear 52 and a variable speed output shaft 53.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the continuously variable transmission device comprises a driving motor 1, the driving motor 1 is in driving connection with an output shaft 3 through a transmission assembly 2, a confluence assembly 4 is further arranged between the transmission assembly 2 and the driving motor 1, one end of the confluence assembly 4 is connected with the driving motor 1, the other end of the confluence assembly 4 is connected with the transmission assembly 2, and the continuously variable transmission device further comprises a continuously variable transmission assembly 5, wherein the continuously variable transmission assembly 5 is meshed with the confluence assembly 4 through a gear.
The utility model discloses, during the use, driving motor 1's power take off to the subassembly 4 that converges, infinitely variable subassembly 5 passes through the gear and converges 4 meshing of subassembly to export driving motor 1 to 1 power on the subassembly 4 that converges and carry out infinitely variable, and finally export to output shaft 3 through drive assembly 2. Therefore, the utility model discloses utilize the driven mode of gear engagement to realize infinitely variable, transmission efficiency is high.
As shown in fig. 1, the confluence assembly 4 comprises a planet bar 41, one end of the planet bar 41 is in driving connection with the driving motor 1, the other end of the planet bar 41 is in driving connection with the transmission assembly 2, and the continuously variable transmission assembly 5 is meshed with the planet bar 41 through a gear.
Specifically, the planet row 41 includes a sun gear 42 and a ring gear 43, an output shaft of the driving motor 1 is fixedly connected with the sun gear 42, the continuously variable transmission assembly 5 is engaged with the planet row 41 through a gear, a planet gear 44 is arranged between the sun gear 42 and the ring gear 43, the planet gear 44 is engaged with the sun gear 42 and the ring gear 43 respectively, the planetary gear device further includes a planet carrier 45, one end of the planet carrier 45 is connected to the center of the planet gear 44, and the other end of the planet carrier 45 is in driving connection with the transmission assembly 2.
As shown in fig. 1, the continuously variable transmission assembly 5 includes a rotation speed control device 51 and a transmission output shaft 53 fixed to the rotation speed control device 51, the rotation speed control device 51 may be a motor rotation speed control device in the prior art, a transmission gear 52 is fixed to the transmission output shaft 53, and the transmission gear 52 is engaged with an outer surface of the ring gear 43. The rotation speed of the speed change gear 52 and further the rotation speed of the ring gear 43 are controlled by the rotation speed control device 51, and the purpose of stepless speed change is achieved by adjusting the rotation speed of the ring gear 43.
Preferably, the axis of the shift output shaft 53 is parallel to the axis of the ring gear 43. This ensures the stability of the control of the shifting process.
As shown in fig. 1, the transmission assembly 2 includes a first transmission shaft 21 and a second transmission shaft 22, the first transmission gear 23 is fixedly connected to the first transmission shaft 21, both the second transmission gear 24 and a third transmission gear 25 are fixedly connected to the second transmission shaft 22, the first transmission gear 23 is engaged with the second transmission gear 24, and the third transmission gear 25 is in driving connection with the output shaft 3.
Preferably, the first transmission shaft 21, the second transmission shaft 22 and the output shaft 3 are arranged parallel to each other. This ensures stability of the transmission process.
Preferably, the axis of the first transmission shaft 21 coincides with the axis of the output shaft of the driving motor 1. This is advantageous in improving the transmission efficiency of the output torque of the drive motor 1.
As shown in fig. 1, a differential assembly 6 is further disposed on the output shaft 3, a fourth transmission gear 26 is fixedly connected to the differential assembly 6, and the fourth transmission gear 26 is engaged with the third transmission gear 25. The differential assembly 6 enables the output shafts 3, i.e., the wheels, on both sides to rotate at different rotational speeds.
As shown in fig. 1, the diameter of the second transmission gear 24 is larger than that of the first transmission gear 23 and the diameter of the second transmission gear 24 is larger than that of the third transmission gear 25. Therefore, certain speed reduction effect can be achieved while transmission is carried out.
The utility model discloses a power transmission route does: the driving motor 1 is started, the driving motor 1 inputs torque and rotation speed to the sun gear 42, and the torque and the rotation speed are transmitted to the differential assembly 6 through the planet gear 44, the planet carrier 45, the first transmission gear 23, the second transmission gear 24, the third transmission gear 25 and the fourth transmission gear 26 in sequence and are applied to the output shaft 3, the rotation speed control device 51 controls the rotation speed of the gear ring 43 by controlling the rotation speed of the speed change gear 52, and the purpose of stepless speed change is achieved by adjusting the rotation speed of the gear ring 43.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although terms such as the driving motor 1, the transmission assembly 2, the output shaft 3, the confluence assembly 4, the continuously variable transmission assembly 5, the differential assembly 6, the first transmission shaft 21, the second transmission shaft 22, the first transmission gear 23, the second transmission gear 24, the third transmission gear 25, the fourth transmission gear 26, the planet row 41, the sun gear 42, the ring gear 43, the planet gear 44, the planet carrier 45, the rotation speed control device 51, the transmission gear 52, the transmission output shaft 53 are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. The utility model provides a continuously variable transmission, includes driving motor (1), driving motor (1) is connected with output shaft (3) drive through transmission assembly (2), its characterized in that: still be equipped with between transmission assembly (2) and driving motor (1) and converge subassembly (4), converge subassembly (4) one end and be connected with driving motor (1), the other end is connected with transmission assembly (2), still include infinitely variable subassembly (5), infinitely variable subassembly (5) mesh mutually with converging subassembly (4) through the gear.
2. A continuously variable transmission as claimed in claim 1, wherein: the confluence assembly (4) comprises a planet row (41), one end of the planet row (41) is in driving connection with the driving motor (1), the other end of the planet row is in driving connection with the transmission assembly (2), and the continuously variable transmission assembly (5) is meshed with the planet row (41) through a gear.
3. A continuously variable transmission as claimed in claim 2, wherein: the planet row (41) comprises a sun gear (42) and a gear ring (43), an output shaft of the driving motor (1) is fixedly connected with the sun gear (42), the continuously variable transmission assembly (5) is meshed with the planet row (41) through a gear, a planet gear (44) is arranged between the sun gear (42) and the gear ring (43), the planet gear (44) is meshed with the sun gear (42) and the gear ring (43) respectively, the planetary gear further comprises a planet carrier (45), one end of the planet carrier (45) is connected to the center of the planet gear (44), and the other end of the planet carrier is in driving connection with the transmission assembly (2).
4. A continuously variable transmission as claimed in claim 3, wherein: the continuously variable transmission assembly (5) comprises a rotating speed control device (51) and a variable speed output shaft (53) fixedly connected to the rotating speed control device (51), a variable speed gear (52) is fixedly connected to the variable speed output shaft (53), and the variable speed gear (52) is meshed with the outer surface of the gear ring (43).
5. The continuously variable transmission device as claimed in claim 4, wherein: the axis of the speed change output shaft (53) is parallel to the axis of the gear ring (43).
6. A continuously variable transmission as claimed in claim 1, wherein: the transmission assembly (2) comprises a first transmission shaft (21) and a second transmission shaft (22), a first transmission gear (23) is fixedly connected to the first transmission shaft (21), a second transmission gear (24) and a third transmission gear (25) are fixedly connected to the second transmission shaft (22), the first transmission gear (23) is meshed with the second transmission gear (24), and the third transmission gear (25) is in driving connection with the output shaft (3).
7. The continuously variable transmission device as claimed in claim 6, wherein: the output shaft (3) is further provided with a differential assembly (6), a fourth transmission gear (26) is fixedly connected to the differential assembly (6), and the fourth transmission gear (26) is meshed with the third transmission gear (25).
8. The continuously variable transmission device as claimed in claim 6, wherein: the first transmission shaft (21), the second transmission shaft (22) and the output shaft (3) are arranged in parallel.
9. The continuously variable transmission device as claimed in claim 6, wherein: the shaft axis of the first transmission shaft (21) is coincided with the shaft axis of the output shaft of the driving motor (1).
10. The continuously variable transmission device as claimed in claim 6, wherein: the diameter of the second transmission gear (24) is larger than that of the first transmission gear (23), and the diameter of the second transmission gear (24) is larger than that of the third transmission gear (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023123668.5U CN214404552U (en) | 2020-12-22 | 2020-12-22 | Stepless speed change transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023123668.5U CN214404552U (en) | 2020-12-22 | 2020-12-22 | Stepless speed change transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214404552U true CN214404552U (en) | 2021-10-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023123668.5U Active CN214404552U (en) | 2020-12-22 | 2020-12-22 | Stepless speed change transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214404552U (en) |
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2020
- 2020-12-22 CN CN202023123668.5U patent/CN214404552U/en active Active
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