CN214118881U

CN214118881U - Five-gear transmission assembly for electric vehicle

Info

Publication number: CN214118881U
Application number: CN202023130049.9U
Authority: CN
Inventors: 金少华; 吴虹谕
Original assignee: Chongqing Xianyou Technology Development Co ltd
Current assignee: Chongqing Xianyou Technology Development Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-09-03
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses an electric motor car is with five speed transmission assemblies that keep off, the motor connecting plate comprises a connecting plate, the first casing of one side fixedly connected with of connecting plate, the opposite side fixedly connected with second casing of connecting plate, the last fixed surface of first casing is connected with the third casing, the lower fixed surface of third casing is connected with driving motor, driving motor's output shaft extends to the inside and the first gear of fixedly connected with of third casing, the inside of third casing is rotated and is connected with first transmission assembly and connector. The utility model discloses, can take first synchronizer, second synchronizer and third synchronizer to go up and down through first stirring piece, second stirring piece and third stirring piece, and then change the connected mode of gear for the gear on second grade transmission assembly and the tertiary transmission assembly carries out the combination of different modes, can export five kinds of speeds, and whole electric motor car derailleur structural design is compact reasonable, and the practicality is stronger, and easy operation is convenient.

Description

Five-gear transmission assembly for electric vehicle

Technical Field

The utility model relates to a derailleur technical field especially relates to an electric motor car is with five speed transmission assemblies that keep off.

Background

The electric vehicle as a green vehicle brings great changes to the human society in the 21 st century, follows the great trend of the current international technological development, is taken as the entry point of China into the automobile industry in the 21 st century, not only realizes the strategic decision of the technology leap-type development of the automobile industry in China, but also is an important choice for realizing the sustainable development of the automobile industry in China

A transmission is a mechanism for changing the speed and torque from an engine, which can be fixed or geared to change the ratio of the output shaft to the input shaft, also known as a gearbox. The speed variator consists of speed-changing transmission mechanism and control mechanism, and some vehicles also have power output mechanism. The transmission mechanism is mainly driven by common gears and also driven by planetary gears. The common gear transmission mechanism generally uses a sliding gear, a synchronizer and the like.

At present, a transmission assembly is an important part in an electric vehicle and can play a role in adjusting speed, however, the structural design of the existing transmission of many electric vehicles is too simple, various adjustments of the speed of the electric vehicle are inconvenient, and certain limitations exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the five keep off derailleur assemblies for electric motor car that provide.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a five-gear transmission assembly for an electric vehicle comprises a connecting plate, wherein one side of the connecting plate is fixedly connected with a first shell, the other side of the connecting plate is fixedly connected with a second shell, the upper surface of the first shell is fixedly connected with a third shell, the lower surface of the third shell is fixedly connected with a driving motor, the output shaft of the driving motor extends into the third shell and is fixedly connected with a first gear, the interior of the third shell is rotatably connected with a first transmission component and a connecting body, the outer surface of the connecting body is fixedly connected with a third gear, the lower surface of the connecting body is fixedly connected with a secondary transmission component, the secondary transmission component is engaged and connected with a tertiary transmission component, the three-stage transmission assembly is connected with a four-stage transmission assembly in a meshing manner, the four-stage transmission assembly is connected with a differential mechanism in a meshing manner, and an adjusting component corresponding to the secondary transmission component and the tertiary transmission component is arranged in the first shell.

As a further description of the above technical solution:

the first transmission assembly comprises a first transmission shaft, a second gear is fixedly connected to the outer surface of the first transmission shaft, and the second gear is meshed with the first gear.

As a further description of the above technical solution:

the secondary transmission assembly comprises a second transmission shaft, a fourth gear, a fifth gear, a sixth gear, a seventh gear and an eighth gear are sequentially arranged on the outer surface of the second transmission shaft from top to bottom, and a first synchronizer is arranged between the fifth gear and the sixth gear.

As a further description of the above technical solution:

the three-stage transmission assembly comprises a third transmission shaft, a ninth gear, a tenth gear, an eleventh gear, a twelfth gear, a thirteenth gear and a fourteenth gear are sequentially arranged on the outer surface of the third transmission shaft from top to bottom, a second synchronizer is arranged between the tenth gear and the eleventh gear, and a third synchronizer is arranged between the eleventh gear and the twelfth gear.

As a further description of the above technical solution:

the four-stage transmission assembly comprises a fourth transmission shaft, and a fifteenth gear and a sixteenth gear are fixedly connected to the outer surface of the fourth transmission shaft.

As a further description of the above technical solution:

the adjusting part comprises a rotating shaft and an installing rod, a first adjusting groove, a second adjusting groove and a third adjusting groove are formed in the outer surface of the rotating shaft, a first poking piece, a second poking piece and a third poking piece are sleeved on the outer surface of the installing rod, a first cylindrical block, a second cylindrical block and a third cylindrical block are fixedly connected to the outer surfaces of the first poking piece, the second poking piece and the third poking piece respectively, and the first cylindrical block, the second cylindrical block and the third cylindrical block are clamped into the first adjusting groove, the second adjusting groove and the third adjusting groove respectively.

The utility model discloses following beneficial effect has:

compared with the prior art, this five keep off derailleur assembly for electric motor car can take first synchronizer, second synchronizer and third synchronizer to go up and down through first group's piece, second group's piece and third group's piece, and then changes the connected mode of gear for gear on second grade transmission subassembly and the tertiary transmission subassembly carries out the combination of different modes, can export five kinds of speeds, whole electric motor car derailleur structural design is compact reasonable, and the practicality is stronger, and easy operation is convenient.

Drawings

Fig. 1 is a perspective view of a five-gear transmission assembly for an electric vehicle according to the present invention;

fig. 2 is a perspective view of an internal structure of a five-gear transmission assembly for an electric vehicle according to the present invention;

fig. 3 is an isometric view illustrating an internal structure of a five-speed transmission assembly for an electric vehicle according to the present invention;

FIG. 4 is an enlarged view of FIG. 2-A in accordance with the present invention;

fig. 5 is an enlarged view of fig. 3-B according to the present invention.

Illustration of the drawings:

1. a connecting plate; 2. a first housing; 3. a second housing; 4. a third housing; 5. a drive motor; 6. A first gear; 7. a first drive shaft; 8. a second gear; 9. a linker; 10. a third gear; 11. A second drive shaft; 12. a fourth gear; 13. a fifth gear; 14. a sixth gear; 15. a seventh gear; 16. an eighth gear; 17. a third drive shaft; 18. a ninth gear; 19. a tenth gear; 20. an eleventh gear; 21. a twelfth gear; 22. a thirteenth gear; 23. a fourteenth gear; 24. a first synchronizer; 25. a second synchronizer; 26. a third synchronizer; 27. a fourth drive shaft; 28. a fifteenth gear; 29. a sixteenth gear; 30. a rotating shaft; 31. a first regulating groove; 32. a second regulating groove; 33. A third regulating groove; 34. mounting a rod; 35. a first toggle sheet; 36. a second toggle piece; 37. a third toggle piece; 38. a first cylindrical block; 39. a second cylindrical block; 40. a third cylindrical block; 41. a differential gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the utility model provides a pair of five keep off derailleur assemblies for electric motor car: including connecting plate 1, the first casing 2 of one side fixedly connected with of connecting plate 1, the opposite side fixedly connected with second casing 3 of connecting plate 1, the last fixed surface of first casing 2 is connected with third casing 4, the lower fixed surface of third casing 4 is connected with driving motor 5, driving motor 5's output shaft extends to the inside of third casing 4 and the first gear 6 of fixedly connected with, the inside rotation of third casing 4 is connected with first transmission assembly and connector 9, the outer fixed surface of connector 9 is connected with third gear 10, the lower fixed surface of connector 9 is connected with second grade transmission assembly, second grade transmission assembly meshing is connected with tertiary transmission assembly, tertiary transmission assembly meshing is connected with fourth grade transmission assembly, fourth grade transmission assembly meshing is connected with differential 41, the inside of first casing 2 is provided with the adjusting part corresponding with second grade transmission assembly and tertiary transmission assembly.

The first transmission assembly comprises a first transmission shaft 7, a second gear 8 is fixedly connected to the outer surface of the first transmission shaft 7, and the second gear 8 is meshed with the first gear 6.

The secondary transmission assembly comprises a second transmission shaft 11, a fourth gear 12, a fifth gear 13, a sixth gear 14, a seventh gear 15 and an eighth gear 16 are sequentially arranged on the outer surface of the second transmission shaft 11 from top to bottom, and a first synchronizer 24 is arranged between the fifth gear 13 and the sixth gear 14.

The three-stage transmission assembly comprises a third transmission shaft 17, a ninth gear 18, a tenth gear 19, an eleventh gear 20, a twelfth gear 21, a thirteenth gear 22 and a fourteenth gear 23 are sequentially arranged on the outer surface of the third transmission shaft 17 from top to bottom, a second synchronizer 25 is arranged between the tenth gear 19 and the eleventh gear 20, and a third synchronizer 26 is arranged between the eleventh gear 20 and the twelfth gear 21.

The four-stage transmission assembly comprises a fourth transmission shaft 27, and a fifteenth gear 28 and a sixteenth gear 29 are fixedly connected to the outer surface of the fourth transmission shaft 27.

The adjusting assembly comprises a rotating shaft 30 and a mounting rod 34, a first adjusting groove 31, a second adjusting groove 32 and a third adjusting groove 33 are formed in the outer surface of the rotating shaft 30, a first poking piece 35, a second poking piece 36 and a third poking piece 37 are sleeved on the outer surface of the mounting rod 34, a first cylindrical block 38, a second cylindrical block 39 and a third cylindrical block 40 are fixedly connected to the outer surfaces of the first poking piece 35, the second poking piece 36 and the third poking piece 37 respectively, the first cylindrical block 38, the second cylindrical block 39 and the third cylindrical block 40 are clamped into the first adjusting groove 31, the second adjusting groove 32 and the third adjusting groove 33 respectively, the first synchronizer 24, the second synchronizer 25 and the third synchronizer 26 are clamped with the first poking piece 35, the second poking piece 36 and the third poking piece 37 respectively, and the first synchronizer 24 can be driven by the first poking piece 35, the second poking piece 36 and the third poking piece 37, The second synchronizer 25 and the third synchronizer 26 ascend and descend, so that the connection mode of the gears is changed, the two-stage transmission assembly and the gears on the three-stage transmission assembly are combined in different modes, and five speeds can be output.

The working principle is as follows: when the device is used, the first gear 6 is meshed with the second gear 8, the second gear 8 is meshed with the third gear 10, the driving motor 5 is started to drive the first gear 6 to rotate, the first gear 6 can drive the third gear 10 to rotate through the second gear 8, the fourth gear 12 is meshed with the ninth gear 18, the fifth gear 13 is meshed with the tenth gear 19, the sixth gear 14 is meshed with the eleventh gear 20, the seventh gear 15 is meshed with the twelfth gear 21, the eighth gear 16 is meshed with the thirteenth gear 22, the five groups of gears can form five different transmission modes, the first cylindrical block 38, the second cylindrical block 39 and the third cylindrical block 40 respectively move in the corresponding first adjusting groove 31, the second adjusting groove 32 and the third adjusting groove 33 through rotating the rotating shaft 30, so that the positions of the first driving plate 35, the second driving plate 36 and the third driving plate 37 can be adjusted, and the meshing modes of the five groups of gears are further adjusted, finally, the fourteenth gear 23 is made to rotate with the sixteenth gear 29, and then the fifteenth gear 28 works with the differential 41.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an electric motor car is with five keep off derailleur assemblies, includes connecting plate (1), its characterized in that: a first shell (2) is fixedly connected to one side of the connecting plate (1), a second shell (3) is fixedly connected to the other side of the connecting plate (1), a third shell (4) is fixedly connected to the upper surface of the first shell (2), a driving motor (5) is fixedly connected to the lower surface of the third shell (4), an output shaft of the driving motor (5) extends into the third shell (4) and is fixedly connected with a first gear (6), a first transmission component and a connecting body (9) are rotatably connected to the inside of the third shell (4), a third gear (10) is fixedly connected to the outer surface of the connecting body (9), a second transmission component is fixedly connected to the lower surface of the connecting body (9), a third transmission component is engaged with the second transmission component, and a fourth transmission component is engaged with the third transmission component, the four-stage transmission assembly is connected with a differential (41) in a meshing mode, and an adjusting assembly corresponding to the two-stage transmission assembly and the three-stage transmission assembly is arranged inside the first shell (2).

2. The five-speed transmission assembly for the electric vehicle according to claim 1, wherein: the first transmission assembly comprises a first transmission shaft (7), a second gear (8) is fixedly connected to the outer surface of the first transmission shaft (7), and the second gear (8) is meshed with the first gear (6).

3. The five-speed transmission assembly for the electric vehicle according to claim 1, wherein: the secondary transmission assembly comprises a second transmission shaft (11), a fourth gear (12), a fifth gear (13), a sixth gear (14), a seventh gear (15) and an eighth gear (16) are sequentially arranged on the outer surface of the second transmission shaft (11) from top to bottom, and a first synchronizer (24) is arranged between the fifth gear (13) and the sixth gear (14).

4. The five-speed transmission assembly for the electric vehicle according to claim 1, wherein: the three-stage transmission assembly comprises a third transmission shaft (17), a ninth gear (18), a tenth gear (19), an eleventh gear (20), a twelfth gear (21), a thirteenth gear (22) and a fourteenth gear (23) are sequentially arranged on the outer surface of the third transmission shaft (17) from top to bottom, a second synchronizer (25) is arranged between the tenth gear (19) and the eleventh gear (20), and a third synchronizer (26) is arranged between the eleventh gear (20) and the twelfth gear (21).

5. The five-speed transmission assembly for the electric vehicle according to claim 1, wherein: the four-stage transmission assembly comprises a fourth transmission shaft (27), and a fifteenth gear (28) and a sixteenth gear (29) are fixedly connected to the outer surface of the fourth transmission shaft (27).

6. The five-speed transmission assembly for the electric vehicle according to claim 1, wherein: the adjusting assembly comprises a rotating shaft (30) and an installing rod (34), a first adjusting groove (31), a second adjusting groove (32) and a third adjusting groove (33) are formed in the outer surface of the rotating shaft (30), a first poking piece (35), a second poking piece (36) and a third poking piece (37) are sleeved on the outer surface of the installing rod (34), a first cylindrical block (38), a second cylindrical block (39) and a third cylindrical block (40) are fixedly connected to the outer surfaces of the first poking piece (35), the second poking piece (36) and the third poking piece (37) respectively, and the first cylindrical block (38), the second cylindrical block (39) and the third cylindrical block (40) are clamped into the inner portions of the first adjusting groove (31), the second adjusting groove (32) and the third adjusting groove (33) respectively.