CN214404551U - Continuously variable transmission with multi-stage reduction mechanism - Google Patents
Continuously variable transmission with multi-stage reduction mechanism Download PDFInfo
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- CN214404551U CN214404551U CN202023121665.8U CN202023121665U CN214404551U CN 214404551 U CN214404551 U CN 214404551U CN 202023121665 U CN202023121665 U CN 202023121665U CN 214404551 U CN214404551 U CN 214404551U
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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 with multistage reduction gears. The utility model discloses it is lower to infinitely variable transmission efficiency among the prior art, do not set up multistage speed reduction structure, the limited problem of range of application provides a infinitely variable transmission with multistage reduction gears, including driving motor, driving motor passes through transmission speed reduction subassembly and is connected with the output shaft drive, still is equipped with the subassembly that converges, it is connected with the driving motor drive through reduction gears to converge subassembly one end, and the other end is connected with transmission speed reduction subassembly, still includes infinitely variable subassembly, infinitely variable subassembly passes through the gear and converges the subassembly and mesh mutually. The utility model discloses utilize the driven mode of gear engagement to realize infinitely variable, transmission efficiency is high, and the power of driving motor output can carry out the secondary through reduction gears and transmission speed reduction subassembly moreover and slow down and transmit to the output shaft again, has enlarged the utility model discloses an application scope.
Description
Technical Field
The utility model belongs to the technical field of the electric automobile transmission, especially, relate to a infinitely variable transmission with multistage reduction gears.
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 stepless speed change device in the prior art is mostly realized through chain transmission or belt transmission, the transmission efficiency of the transmission mode is low, and the stepless speed change transmission structure in the prior art is mostly not provided with a multi-stage speed reduction structure and has a limited application range.
For example, the chinese utility model discloses a combined type continuously variable transmission device [ application number: 201520524587.6], the utility model comprises a metal tooth-shaped chain and a movable gear, which is characterized in that the end faces of the chain links at both sides of the metal tooth-shaped chain are designed to be the same value with the inclination angle of the conical surface generatrix of the conical disc relative to the vertical direction, so that the end faces of the chain at both sides are just contacted with the end face of the conical disc, and the top and the root of the end face are designed to be round angles; the middle chain links are common metal chain links, the bottoms of all the chain links are provided with chain teeth, and the chain links are connected into a chain through pin bodies; the movable gear comprises a cone pulley and movable tooth bodies, each movable gear is provided with a movable tooth groove, a movable tooth sheet is arranged in each movable tooth groove, each movable gear is provided with a caulking groove along a bus, rollers are arranged at two ends of each movable tooth body, the rollers are embedded in the caulking grooves and move up and down along the caulking grooves, and the movable tooth bodies move up and down to push the chains to move up and down to complete the change of the diameters of the chains of the driving wheel and the driven wheel, so that the speed ratio is adjusted.
The utility model discloses a have and can reduce the wearing and tearing of metal chain and cone pulley to a certain extent, extension device life's advantage, 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 can carry out multistage speed reduction and the higher infinitely variable transmission who has multistage reduction gears of transmission efficiency.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a infinitely variable transmission with multistage reduction gears, includes driving motor, driving motor passes through transmission speed reduction subassembly and is connected with the output shaft drive, still be equipped with the subassembly that converges between transmission speed reduction subassembly and the driving motor, it is connected with the driving motor drive that the speed reduction mechanism is passed through to converge subassembly one end, and the other end is connected with transmission speed reduction subassembly, still includes infinitely variable subassembly, infinitely variable subassembly passes through the gear and converges the subassembly and mesh mutually.
In the above continuously variable transmission with a multi-stage reduction mechanism, the reduction mechanism includes a first reduction gear and a second reduction gear that are engaged with each other, the first reduction gear is fixed on the output shaft of the driving motor, the second reduction gear is connected with the confluence assembly, and the diameter of the second reduction gear is larger than that of the first reduction gear.
In the above continuously variable transmission device with a multi-stage reduction mechanism, the transmission reduction assembly includes a first transmission shaft and a first transmission gear fixedly connected to the first transmission shaft, the first transmission gear is engaged with a second transmission gear, the second transmission gear is in driving connection with the output shaft, and a diameter of the second transmission gear is larger than a diameter of the first transmission gear.
In the continuously variable transmission with a multi-stage reduction mechanism described above, the first transmission shaft and the output shaft are arranged in parallel with each other.
In the continuously variable transmission device with the multi-stage reduction mechanism, the output shaft is further provided with a differential assembly, and the second transmission gear is fixedly connected to the differential assembly.
In the above continuously variable transmission with a multi-stage reduction mechanism, the confluence module comprises a planetary row, one end of the planetary row is in driving connection with the driving motor through the reduction mechanism, the other end of the planetary row is in driving connection with the transmission reduction module, and the continuously variable transmission module is engaged with the planetary row through a gear.
In foretell infinitely variable transmission with multistage reduction gears, 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 gear and planet row and meshes mutually, be equipped with the planet wheel between sun gear and the ring gear, the planet wheel meshes with sun gear and ring gear respectively mutually, still includes the planet carrier, planet carrier one end is connected at the center of planet wheel, and the other end is connected with transmission reduction components drive.
In the above continuously variable transmission device with a multi-stage reduction mechanism, the continuously variable transmission assembly includes a rotation speed control device and a variable output shaft fixedly connected to the rotation speed control device, the variable output shaft is fixedly connected to a variable gear, and the variable gear is engaged with the outer surface of the gear ring.
In the above continuously variable transmission with a multi-stage reduction mechanism, the axis of the change speed output shaft is parallel to the axis of the ring 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, and the power of driving motor output can carry out the secondary through reduction gears and transmission speed reduction subassembly moreover and slow down and transmit to the output shaft again, has enlarged the utility model discloses an application scope.
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 speed reducing component 2, an output shaft 3, a confluence component 4, a continuously variable transmission component 5, a differential assembly 6, a speed reducing mechanism 7, a first transmission shaft 21, a first transmission gear 22, a second transmission gear 23, a planet row 41, a sun gear 42, a ring gear 43, a planet gear 44, a planet carrier 45, a rotating speed control device 51, a speed changing gear 52, a speed changing output shaft 53, a first speed reducing gear 71 and a second speed reducing gear 72.
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, a continuously variable transmission device with a multi-stage reduction mechanism comprises a driving motor 1, the driving motor 1 is in driving connection with an output shaft 3 through a transmission reduction assembly 2, a confluence assembly 4 is further arranged between the transmission reduction assembly 2 and the driving motor 1, one end of the confluence assembly 4 is in driving connection with the driving motor 1 through a reduction mechanism 7, the other end of the confluence assembly is connected with the transmission reduction 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 is exported to the subassembly 4 that converges through reduction gears 7, and infinitely variable subassembly 5 passes through the gear and the 4 meshing of subassembly that converges 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 transmission reduction assembly 2. The utility model discloses utilize the driven mode of gear engagement to realize infinitely variable, transmission efficiency is high, and the power of 1 output of driving motor can carry out the secondary through reduction gears 7 and transmission speed reduction subassembly 2 moreover and slow down and transmit to the output shaft again, has enlarged the utility model discloses an application scope.
Specifically, the speed reducing mechanism 7 includes a first speed reducing gear 71 and a second speed reducing gear 72 which are engaged with each other, the first speed reducing gear 71 is fixed on the output shaft of the driving motor 1, the second speed reducing gear 72 is connected with the confluence assembly 4, and the diameter of the second speed reducing gear 72 is larger than that of the first speed reducing gear 71. The power is transmitted from the small gear end to the large gear end, so that the speed reduction is realized.
As shown in fig. 1, the transmission speed reducing assembly 2 includes a first transmission shaft 21 and a first transmission gear 22 fixedly connected to the first transmission shaft 21, the first transmission gear 22 is engaged with a second transmission gear 23, the second transmission gear 23 is in driving connection with the output shaft 3, and a diameter of the second transmission gear 23 is greater than a diameter of the first transmission gear 22.
Preferably, the first transmission shaft 21 and the output shaft 3 are arranged parallel to each other. This ensures stability of the transmission process.
As shown in fig. 1, a differential assembly 6 is further disposed on the output shaft 3, and the second transmission gear 23 is fixedly connected to the differential assembly 6. 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 confluence assembly 4 comprises a planet row 41, one end of the planet row 41 is in driving connection with the driving motor 1 through the speed reducing mechanism 7, the other end of the planet row is in driving connection with the transmission speed reducing assembly 2, and the continuously variable transmission assembly 5 is meshed with the planet row 41 through a gear.
Specifically, planet row 41 includes sun gear 42 and ring gear 43, driving motor 1's output shaft and sun gear 42 fixed connection, infinitely variable subassembly 5 passes through the gear and meshes with planet row 41 mutually, be equipped with planet wheel 44 between sun gear 42 and the ring gear 43, planet wheel 44 meshes with sun gear 42 and ring gear 43 mutually respectively, still includes planet carrier 45, planet carrier 45 one end is connected in the center of planet wheel 44, and the other end and transmission speed reduction subassembly 2 drive connection.
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, 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 rotational speed of the speed change gear 52 is controlled by the rotational speed control device 51, and the rotational speed of the ring gear 43 is controlled, and the purpose of stepless speed change is achieved by adjusting the rotational 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.
The utility model discloses a power transmission route does: the driving motor 1 is started, the input torque and the rotating speed of the driving motor 1 are sequentially transmitted to the differential assembly 6 through the first reduction gear 71, the second reduction gear 72, the sun gear 42, the planet gear 44, the planet carrier 45, the first transmission gear 22 and the second transmission gear 23 and are applied to the output shaft 3, the rotating speed control device 51 controls the rotating speed of the speed changing gear 52 to control the rotating speed of the gear ring 43, and the purpose of stepless speed changing is achieved by adjusting the rotating 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 the terms of the driving motor 1, the transmission speed reducing assembly 2, the output shaft 3, the confluence assembly 4, the continuously variable transmission assembly 5, the differential assembly 6, the speed reducing mechanism 7, the first transmission shaft 21, the first transmission gear 22, the second transmission gear 23, the planetary row 41, the sun gear 42, the ring gear 43, the planetary gear 44, the planetary carrier 45, the rotation speed control device 51, the speed changing gear 52, the transmission output shaft 53, the first speed reducing gear 71, the second speed reducing gear 72, and the like are used more frequently herein, 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 (9)
1. The utility model provides a continuously variable transmission with multistage reduction gears, includes driving motor (1), driving motor (1) is connected its characterized in that through transmission speed reduction unit (2) and output shaft (3) drive: still be equipped with between transmission speed reduction unit (2) and driving motor (1) and converge subassembly (4), converge subassembly (4) one end and pass through reduction gears (7) and be connected with driving motor (1) drive, the other end is connected with transmission speed reduction unit (2), still include infinitely variable subassembly (5), infinitely variable subassembly (5) mesh mutually with subassembly (4) that converge through the gear.
2. The continuously variable transmission device with a multistage speed reducing mechanism according to claim 1, characterized in that: the speed reducing mechanism (7) comprises a first speed reducing gear (71) and a second speed reducing gear (72) which are meshed with each other, the first speed reducing gear (71) is fixedly connected to an output shaft of the driving motor (1), the second speed reducing gear (72) is connected with the confluence assembly (4), and the diameter of the second speed reducing gear (72) is larger than that of the first speed reducing gear (71).
3. The continuously variable transmission device with a multistage speed reducing mechanism according to claim 1, characterized in that: the transmission speed reduction assembly (2) comprises a first transmission shaft (21) and a first transmission gear (22) fixedly connected to the first transmission shaft (21), the first transmission gear (22) is meshed with a second transmission gear (23), the second transmission gear (23) is in driving connection with the output shaft (3), and the diameter of the second transmission gear (23) is larger than that of the first transmission gear (22).
4. The continuously variable transmission device with a multistage speed reducing mechanism according to claim 3, characterized in that: the first transmission shaft (21) and the output shaft (3) are arranged in parallel.
5. The continuously variable transmission device with a multistage speed reducing mechanism according to claim 3, characterized in that: the output shaft (3) is further provided with a differential assembly (6), and the second transmission gear (23) is fixedly connected to the differential assembly (6).
6. The continuously variable transmission device with a multistage speed reducing mechanism according to claim 1, characterized in that: 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) through the speed reducing mechanism (7), the other end of the planet row is in driving connection with the transmission speed reducing assembly (2), and the stepless speed change assembly (5) is meshed with the planet row (41) through a gear.
7. The continuously variable transmission device with a multistage speed reducing mechanism according to claim 6, characterized in that: 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 speed reduction assembly (2).
8. The continuously variable transmission device with a multistage speed reducing mechanism according to claim 7, characterized in that: 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).
9. The continuously variable transmission device with a multistage speed reducing mechanism according to claim 8, wherein: the axis of the speed change output shaft (53) is parallel to the axis of the gear ring (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023121665.8U CN214404551U (en) | 2020-12-22 | 2020-12-22 | Continuously variable transmission with multi-stage reduction mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023121665.8U CN214404551U (en) | 2020-12-22 | 2020-12-22 | Continuously variable transmission with multi-stage reduction mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN214404551U true CN214404551U (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023121665.8U Active CN214404551U (en) | 2020-12-22 | 2020-12-22 | Continuously variable transmission with multi-stage reduction mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN214404551U (en) |
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2020
- 2020-12-22 CN CN202023121665.8U patent/CN214404551U/en active Active
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