CN217056281U - Gear shifting mechanism of electric vehicle - Google Patents
Gear shifting mechanism of electric vehicle Download PDFInfo
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- CN217056281U CN217056281U CN202122477647.1U CN202122477647U CN217056281U CN 217056281 U CN217056281 U CN 217056281U CN 202122477647 U CN202122477647 U CN 202122477647U CN 217056281 U CN217056281 U CN 217056281U
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Abstract
The utility model relates to the technical field of variable speed gear shifting devices, in particular to a gear shifting mechanism of an electric vehicle; the motor drives the input shaft to rotate, the input gear is fixed with the input shaft, the input shaft drives the input gear to rotate, the input gear drives the transmission gear to rotate through the transmission assembly, the rotating gear is fixed with the intermediate shaft and further rotates on the intermediate shaft, the low-speed gear and the high-speed gear are respectively connected onto the intermediate shaft in a rotating mode, the gear shifting sleeve is connected onto the intermediate shaft and is fixed with the high-speed gear, the high-speed gear is made to rotate along with the intermediate shaft, acceleration is achieved, the gear shifting sleeve is driven to be fixed with the low-speed gear, the low-speed gear is made to rotate along with the intermediate shaft, deceleration is achieved, the structure is simple, gear shifting is rapid, and the using effect is better.
Description
Technical Field
The utility model relates to a variable speed gearshift technical field especially relates to an electric motor car gearshift.
Background
As a very environment-friendly vehicle, the electric vehicle has more and more entered people's lives, the speed of the electric vehicle needs to be adjusted in the using process, and the existing electric vehicle uses a gear box to realize speed change.
The gearbox is when needs are shifted, generally is to keep off the transmission shaft of driving gear and two fender driving gears and connect the selector, and the fixed realization of keeping off the driving gear or keeping off the driving gear through control selector for the operation of shifting is complicated, is unfavorable for the quick of electric motor car to shift.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric motor car gearshift aims at solving the gearbox among the prior art and when needs are shifted, connects the selector on the transmission shaft that keeps off the driving gear and keep off the driving gear usually, keeps off the driving gear or keep off the fixed realization of driving gear and shift through controlling the selector for the operation of shifting is complicated, is unfavorable for the technical problem of the quick shift of electric motor car.
In order to achieve the above object, the present invention provides a gearshift mechanism for electric vehicle, which comprises an input shaft, an input gear, a transmission assembly, an intermediate shaft, a rotating gear, a low speed gear, a high speed gear and a gear shifting sleeve.
The input gear is fixedly connected with the input shaft and is positioned on one side of the input shaft, the transmission assembly is in transmission connection with the input gear, the intermediate shaft is positioned on one side of the transmission assembly, which is far away from the input shaft, the rotating gear is fixedly connected with the intermediate shaft and is positioned on one side of the intermediate shaft, which is close to the transmission assembly, the low-speed gear is in rotation connection with the intermediate shaft and is positioned on one side of the intermediate shaft, which is close to the rotating gear, the high-speed gear is in rotation connection with the intermediate shaft and is positioned on one side of the intermediate shaft, which is far away from the low-speed gear, and the gear shifting sleeve is in sliding connection with the intermediate shaft and is positioned between the high-speed gear and the low-speed gear.
The motor drive the input shaft rotates, drives input gear rotates, input gear passes through drive assembly drive running gear rotates, drive assembly plays the effect of supplementary steering, running gear drives the jackshaft rotates, low-speed gear with high-speed gear overlaps respectively the cover is established on the jackshaft, the cover of shifting is established on the jackshaft, the drive shift the cover reciprocates, works as shift the cover with when high-speed gear is fixed, high-speed gear follows the jackshaft rotates, and the electric motor car is accelerated, works as shift the cover with when low-speed gear is fixed, low-speed gear follows the jackshaft rotates, and the electric motor car slows down, and it is more convenient to shift gears.
The shifting mechanism of the electric vehicle further comprises a shifting fork, the shifting fork is fixedly connected with the shifting sleeve and is positioned on one side, away from the intermediate shaft, of the shifting sleeve.
The shifting fork is connected with the speed-changing handle to drive the shifting sleeve to move, so that the speed regulation effect is achieved.
The high-speed gear is provided with a first groove, and the first groove is positioned on one side, close to the gear shifting sleeve, of the high-speed gear.
The first groove is matched with the gear shifting sleeve.
The low-speed gear is provided with a second groove, and the second groove is positioned on one side, close to the gear shifting sleeve, of the low-speed gear.
The second groove is matched with the gear shifting sleeve.
The gear shifting sleeve is provided with a first protrusion, and the first protrusion is located on one side, close to the first groove, of the gear shifting sleeve.
The first protrusion is matched with the first groove in arrangement.
The gear shifting sleeve is provided with a second protrusion, and the second protrusion is located on one side, close to the second groove, of the gear shifting sleeve.
The second protrusion is matched with the second groove.
The gear shifting sleeve is further provided with a limiting groove, and the limiting groove is located between the first protrusion and the second protrusion.
The limiting groove is used for fixing the shifting fork.
Wherein the transmission assembly comprises a transmission shaft and a transmission gear, the transmission shaft is positioned between the input shaft and the intermediate shaft; the transmission gear is rotationally connected with the transmission shaft and is positioned between the input gear and the rotating gear.
The transmission shaft is provided with the transmission gear, and the transmission gear is respectively meshed with the input gear and the rotating gear, so that the rotating direction of the rotating gear is synchronous with the direction of the input gear.
The utility model discloses an electric motor car gearshift, through motor drive the input shaft rotates, input gear with the input shaft is fixed, and then the input shaft drives input gear rotates, input gear passes through the drive assembly drive gear rotates, rotating gear with the jackshaft is fixed, and then the jackshaft rotates, low-speed gear with high-speed gear rotates respectively to be connected on the jackshaft, the cover of shifting connects on the jackshaft, drive shift the cover with high-speed gear is fixed, makes high-speed gear follows the jackshaft rotates, realizes accelerating, drives shift the cover with low-speed gear is fixed, makes low-speed gear follows the jackshaft rotates, realizes slowing down, and then simple structure shifts fast, and the result of use is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the electric vehicle gear shifting mechanism of the present invention.
Fig. 2 is a schematic structural view of the intermediate shaft of the present invention.
Fig. 3 is an enlarged view of fig. 1 a.
Fig. 4 is a schematic structural diagram of the shifting fork of the present invention.
1-input shaft, 2-input gear, 3-intermediate shaft, 4-rotating gear, 5-low speed gear, 6-high speed gear, 7-gear shifting sleeve, 8-shifting fork, 10-transmission component, 11-transmission shaft, 12-transmission gear, 100-electric vehicle gear shifting mechanism, 501-second groove, 601-first groove, 701-first protrusion, 702-second protrusion and 703-limiting groove.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 3, the present invention provides a gear shift mechanism 100 for an electric vehicle, including an input shaft 1, an input gear 2, a transmission assembly 10, an intermediate shaft 3, a rotating gear 4, a low-speed gear 5, a high-speed gear 6 and a gear shift sleeve 7.
The input gear 2 is fixedly connected with the input shaft 1 and is positioned on one side of the input shaft 1, the transmission assembly 10 is in transmission connection with the input gear 2, the intermediate shaft 3 is positioned on one side of the transmission assembly 10, which is far away from the input shaft 1, the rotating gear 4 is fixedly connected with the intermediate shaft 3 and is positioned on one side of the intermediate shaft 3, which is close to the transmission assembly 10, the low-speed gear 5 is in rotation connection with the intermediate shaft 3 and is positioned on one side of the intermediate shaft 3, which is close to the rotating gear 4, the high-speed gear 6 is in rotation connection with the intermediate shaft 3 and is positioned on one side of the intermediate shaft 3, which is far away from the low-speed gear 5, and the gear shifting sleeve 7 is in sliding connection with the intermediate shaft 3 and is positioned between the high-speed gear 6 and the low-speed gear 5.
Further, referring to fig. 4, the electric vehicle gear shifting mechanism 100 further includes a shift fork 8, and the shift fork 8 is fixedly connected to the shift sleeve 7 and is located on a side of the shift sleeve 7 away from the intermediate shaft 3.
In this embodiment, a motor drives the input shaft 1 to rotate, the input gear 2 is fixed on the input shaft 1 and rotates along with the input shaft 1, the rotating component is rotatably connected with the input gear 2 and drives the rotating gear 4 to rotate, the rotating gear 4 is fixedly connected with the intermediate shaft 3 and further drives the intermediate shaft 3 to rotate, the low-speed gear 5 and the high-speed gear 6 are respectively rotatably connected on the intermediate shaft 3, the shift sleeve 7 is sleeved on the intermediate shaft 3 and is matched with the intermediate shaft 3 and can slide on the intermediate shaft 3, the shift sleeve 7 is fixedly connected with the shift fork 8, the shift fork 8 is connected with a speed changing handle to control the shift sleeve 7 to move, when the shift sleeve 7 moves to the high-speed gear 6 and is fixedly clamped with the high-speed gear 6, drive high-speed gear 6 follows jackshaft 3 rotates, and then high-speed gear 6 high-speed rotation output kinetic energy realizes the high-speed motion of electric motor car, works as shift sleeve 7 removes to low-speed gear 5, with low-speed gear 5 block is fixed is, drives low-speed gear 5 follows the jackshaft rotates, and then low-speed gear 5 output kinetic energy realizes the low-speed operation of electric motor car, and reverse of motor then realizes reversing, simple structure, and the convenience of shifting is favorable to the quick of electric motor car to be shifted.
Further, referring to fig. 3, the high-speed gear 6 has a first groove 601, and the first groove 601 is located on a side of the high-speed gear 6 close to the gear shift sleeve 7.
Further, referring to fig. 3, the low-speed gear 5 has a second groove 501, and the second groove 501 is located on a side of the low-speed gear 5 close to the gear shift sleeve 7.
Further, referring to fig. 3, the shift collar 7 has a first protrusion 701, and the first protrusion 701 is located on a side of the shift collar 7 close to the first groove 601.
Further, the gear shift sleeve 7 further has a second protrusion 702, and the second protrusion 702 is located on a side of the gear shift sleeve 7 close to the second groove 501.
Further, referring to fig. 3, the shift collar 7 further has a limiting groove 703, and the limiting groove 703 is located between the first protrusion 701 and the second protrusion 702.
In this embodiment, the shift collar 7 has the first protrusion 701 and the second protrusion 702, the first protrusion 701 is close to the high-speed gear 6 and is matched with the first groove 601 of the high-speed gear 6, the second protrusion 702 is close to the low-speed gear 5 and is matched with the second groove 501 of the low-speed gear 5, the position-limiting groove 703 of the shift collar 7 is matched with the shift fork 8 for fixing the shift fork 8, so that when the shift collar 7 is moved to the high-speed gear 6 by the shift fork 8, the first protrusion 701 is embedded into the first groove 601 to drive the high-speed gear 6 to rotate along with the intermediate shaft 3, so as to output kinetic energy, thereby realizing high-speed movement of the electric vehicle, and when the shift collar 7 is moved to the low-speed gear 5 by the shift fork 8, the second protrusion 702 is embedded into the second groove 501 to drive the low-speed gear 5 to rotate along with the intermediate shaft 3 to output kinetic energy, so that low-speed motion of the electric vehicle is realized, the structure is simple, gear shifting is convenient, and quick gear shifting of the electric vehicle is facilitated.
Further, referring to fig. 1, the transmission assembly 10 includes a transmission shaft 11 and a transmission gear 12, wherein the transmission shaft 11 is located between the input shaft 1 and the intermediate shaft 3; the transmission gear 12 is rotatably connected with the transmission shaft 11 and is located between the input gear 2 and the rotating gear 4.
In this embodiment, the transmission shaft 11 is located between the input shaft 1 and the intermediate shaft 3, and is configured to support the transmission gear 12 to rotate, the transmission gear 12 is respectively engaged with the input gear 2 and the rotating gear 4, the input gear 2 drives the transmission gear 12 to rotate, and the transmission gear 12 drives the rotating gear 4 to rotate, so that the rotating gear 4 and the input gear 2 can rotate in the same direction, and a steering adjustment effect is achieved.
Compared with the gear shifter arranged on the transmission shafts of the driving gears of different gears, the transmission shafts of different gears are required to be moved for multiple times to be rotationally connected with the output main shaft in the gear shifting process, so that the gear shifting process is complex and cumbersome, the gear shifting sleeve 7 is directly and slidably connected between the high-speed gear 6 and the low-speed gear 5 on the intermediate shaft 3 serving as the output main shaft, the gear shifting sleeve 7 is connected with different gears, the selected and connected gear is directly used as the output gear to output kinetic energy, and therefore the transmission shaft 11 and the transmission gear 12 on the transmission assembly 10 are completely not required to be moved for multiple times in the gear shifting process to be adjusted to be rotationally connected with the intermediate shaft 3 serving as the output shaft, and the gear shifting structure is simple and the gear shifting is rapid and convenient. While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. A gear shift mechanism of an electric vehicle is characterized by comprising an input shaft, an input gear, a transmission component, a middle shaft, a rotating gear, a low-speed gear, a high-speed gear and a gear shift sleeve,
the input gear is fixedly connected with the input shaft and positioned on one side of the input shaft, the transmission assembly is in transmission connection with the input gear, the intermediate shaft is positioned on one side of the transmission assembly, which is far away from the input shaft, the rotating gear is fixedly connected with the intermediate shaft and is positioned on one side of the intermediate shaft, which is close to the transmission assembly, the low-speed gear is in rotation connection with the intermediate shaft and is positioned on one side of the intermediate shaft, which is close to the rotating gear, the high-speed gear is in rotation connection with the intermediate shaft and is positioned on one side of the intermediate shaft, which is far away from the low-speed gear, and the gear shifting sleeve is in sliding connection with the intermediate shaft and is positioned between the high-speed gear and the low-speed gear.
2. The gearshift mechanism for electric vehicles of claim 1,
the electric vehicle gear shifting mechanism further comprises a shifting fork, wherein the shifting fork is fixedly connected with the gear shifting sleeve and is positioned on one side, far away from the intermediate shaft, of the gear shifting sleeve.
3. The electric vehicle shift mechanism of claim 1,
the high-speed gear is provided with a first groove, and the first groove is positioned on one side, close to the gear shifting sleeve, of the high-speed gear.
4. The gearshift mechanism for electric vehicles of claim 3,
the low-speed gear is provided with a second groove, and the second groove is positioned on one side, close to the gear shifting sleeve, of the low-speed gear.
5. The electric vehicle shift mechanism of claim 4,
the gear shifting sleeve is provided with a first protrusion, and the first protrusion is positioned on one side, close to the first groove, of the gear shifting sleeve.
6. The gearshift mechanism for electric vehicles of claim 5,
the gear shifting sleeve is also provided with a second protrusion, and the second protrusion is positioned on one side, close to the second groove, of the gear shifting sleeve.
7. The gearshift mechanism for electric vehicles of claim 6,
the gear shifting sleeve is further provided with a limiting groove, and the limiting groove is located between the first protrusion and the second protrusion.
8. The gearshift mechanism for electric vehicles of claim 1,
the transmission assembly comprises a transmission shaft and a transmission gear, and the transmission shaft is positioned between the input shaft and the intermediate shaft; the transmission gear is rotationally connected with the transmission shaft and is positioned between the input gear and the rotating gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122477647.1U CN217056281U (en) | 2021-10-14 | 2021-10-14 | Gear shifting mechanism of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122477647.1U CN217056281U (en) | 2021-10-14 | 2021-10-14 | Gear shifting mechanism of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217056281U true CN217056281U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122477647.1U Active CN217056281U (en) | 2021-10-14 | 2021-10-14 | Gear shifting mechanism of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217056281U (en) |
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2021
- 2021-10-14 CN CN202122477647.1U patent/CN217056281U/en active Active
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