CN221145182U

CN221145182U - Six-gear transmission

Info

Publication number: CN221145182U
Application number: CN202323432333.5U
Authority: CN
Inventors: 毛可岩; 李乐; 李举; 乔磊; 张�林
Original assignee: Shandong Menwo Transmission Co ltd
Current assignee: Shandong Menwo Transmission Co ltd
Priority date: 2023-12-15
Filing date: 2023-12-15
Publication date: 2024-06-14
Anticipated expiration: 2033-12-15

Abstract

The utility model discloses a six-gear transmission, which relates to the technical field of gearboxes and comprises a front box assembly, wherein a two-shaft assembly is rotatably arranged in the front box assembly and positioned at the center position, the two-shaft assembly comprises a two shaft, a 5/6 gear synchronizer assembly is movably arranged on the outer surface of the two shaft and close to one end position, a six-gear needle bearing is rotatably arranged on the outer surface of the two shaft and positioned at one side position of the 5/6 gear synchronizer assembly, and a six-gear assembly is fixedly arranged on the outer surface of the six-gear needle bearing. According to the utility model, the ratio of each gear in the gear shifting process is reduced by six gears of the transmission, the feel of the setback during gear shifting is reduced, the experience of a user is improved, the requirement of the user for power performance diversification is met, six different choices can be further provided according to road conditions, and the oil can be saved more.

Description

Six-gear transmission

Technical Field

The utility model relates to the technical field of gearboxes, in particular to a six-gear transmission.

Background

A transmission is a structure for changing the rotational speed and torque from an engine, which can stabilize or shift the transmission ratio of an output shaft to an input shaft, also called a gearbox, and is composed of a speed change transmission mechanism and a control structure, and some vehicles also have a power output structure, and a common light truck is usually shifted by using a five-gear transmission.

In the prior art, as disclosed in chinese patent CN211398449U, a "six-gear transmission" includes a housing, a first shaft, a second shaft and an intermediate shaft are disposed in the housing, the intermediate shaft is provided with an intermediate shaft constant mesh gear meshed with an output gear of the first shaft, the second shaft is sequentially sleeved with six-gear, five-gear, four-gear, three-gear, two-gear and one-gear gears, the intermediate shaft is sequentially provided with six-gear, five-gear, four-gear, three-gear, two-gear and one-gear gears, a first gear synchronizer, a second gear synchronizer, a third gear synchronizer, a fourth gear synchronizer and a fifth gear synchronizer are further fixed on the second shaft, the first gear synchronizer, the second gear synchronizer and the third gear synchronizer are both short-stroke double-cone synchronizers, and the fifth gear synchronizer and the sixth gear synchronizer are short-stroke single-cone synchronizers.

However, in the prior art, in order to achieve good climbing dynamics, the existing five-gear transmission is large in first-gear speed ratio design, so that the speed ratio difference of each gear is large, obvious setbacks are easy to occur when the user is engaged, and the experience of the user is reduced.

Disclosure of utility model

The utility model aims to solve the problems that in the prior art, the existing five-gear transmission is good in climbing dynamics and large in first-gear speed ratio design, the speed ratio difference of each gear is large, obvious jerk feeling is easy to occur when a user is engaged, and the experience feeling of the user is reduced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a six grades of derailleurs, includes preceding box assembly, preceding box assembly is inside and be located central point department and rotate and install the diaxon assembly, the diaxon assembly includes the diaxon, diaxon surface and be close to one end position department movable mounting have 5/6 shelves synchronous ware assembly, the diaxon surface just is located 5/6 shelves synchronous ware assembly one side position department rotates and installs six grades of bearing, six grades of bearing surface fixed mounting has six grades of gear assembly, 5/6 shelves synchronous ware assembly one side fixed mounting has 5/6/R shelves synchronous ware cone ring, 5/6/R shelves synchronous ware cone ring one end with six grades of gear assembly surface joint.

Preferably, the front box assembly is internally rotatably provided with the intermediate shaft assembly, the intermediate shaft assembly comprises an intermediate shaft, the outer surface of the intermediate shaft is fixedly connected with a middle main tooth close to one end, the outer surface of the intermediate shaft is fixedly connected with a middle six-tooth close to one side of the middle main tooth, the outer surface of the intermediate shaft is rotatably provided with a middle three-tooth needle bearing close to the middle position, the outer surface of the middle three-tooth needle bearing is fixedly provided with a middle three-tooth engagement member, the outer surface of the intermediate shaft is slidably provided with a three-four-gear synchronizer assembly at the middle position, two sides of the three-four-gear synchronizer assembly are fixedly provided with three-four-gear synchronizing ring assemblies, the outer surface of the intermediate shaft is rotatably provided with a middle four-tooth needle bearing, and the outer surface of the intermediate shaft is rotatably provided with a middle shaft roller bearing at one side of the middle four-tooth engagement member.

Preferably, the input shaft assembly is installed in transmission of two axle one end, the input shaft assembly includes a axle, a front axle bearing is installed in rotation of a axle surface, a roller bearing is installed in rotation of an axle one end inside, a shaft engagement tooth is installed in rotation of an axle one end, a shaft engagement tooth surface with well main tooth surface meshes.

Preferably, a rear box assembly is fixedly arranged on one side of the front box assembly, a reverse gear idler pulley is slidably arranged in the rear box assembly, and a clutch cover is fixedly arranged on the other side of the front box assembly.

Preferably, the 2/R gear needle bearing is rotatably mounted on the outer surface of the second shaft and close to the middle position, the second gear engaging member is fixedly mounted on the outer surface of the 2/R gear needle bearing, the first gear needle bearing is rotatably mounted on the outer surface of the second shaft and close to the middle position, the first gear engaging member is fixedly mounted on the outer surface of the first gear needle bearing, the 1/2 gear synchronizer engaging member is slidably mounted on the outer surface of the second shaft and positioned between the second gear engaging member and the first gear engaging member, the 1/2 gear synchronizer cone ring engaging member is fixedly mounted on two sides of the 1/2 gear synchronizer engaging member, and the second roller bearing is rotatably mounted on the outer surface of the second shaft and positioned at one side of the second gear engaging member.

Preferably, the outer surface of the two shafts is sleeved with a reverse gear bushing at a position close to one side of the first gear engaging piece, the outer surface of the reverse gear bushing is rotatably provided with a reverse gear engaging piece, the outer surface of the two shafts is positioned at one side of the reverse gear engaging piece and is slidably provided with a reverse gear synchronizer engaging piece, and the outer surface of the reverse gear idler wheel is meshed with the outer surface of the reverse gear engaging piece.

Preferably, a rear bearing of the two shafts is rotatably arranged on the outer surface of the two shafts and close to the other end of the two shafts, and a flange plate is fixedly arranged at one end of each two shaft.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. According to the utility model, the ratio of each gear in the gear shifting process is reduced by six gears of the transmission, the feel of the setback during gear shifting is reduced, the experience of a user is improved, the requirement of a customer for power performance diversification is met, six different choices can be further provided according to road conditions, and the oil can be saved more.

2. According to the utility model, through adopting an innovative design concept of deflection angle for gear selection, the space is saved, the size of the transmission is reduced, the carrying performance is increased, and the six-gear transmission is lighter.

Drawings

FIG. 1 is a schematic diagram illustrating an internal structure of a six speed transmission according to the present utility model;

FIG. 2 is a schematic diagram of a two-shaft structure of a six-speed transmission according to the present utility model;

FIG. 3 is a schematic diagram of a six-speed transmission according to the present utility model;

fig. 4 is a schematic diagram of a countershaft structure of a six-speed transmission according to the present utility model.

Legend description: 1. a clutch cover; 2. a front case assembly; 3. a two-axis assembly; 4. an intermediate shaft assembly; 5. a rear case assembly; 6. a two-axis; 7. a 5/6 speed synchronizer assembly; 8. 5/6/R gear synchronizer cone ring; 9. a six-speed gear assembly; 10. a sixth gear needle bearing; 11. a two-axis roller bearing; 12. 2/R gear needle roller bearing; 13. a second gear assembly; 14. 1/2 gear synchronizer cone ring assembly; 15. a 1/2 speed synchronizer assembly; 17. a first gear assembly; 18. a first gear needle bearing; 19. a reverse gear bushing; 20. a reverse gear assembly; 21. a reverse gear synchronizer assembly; 22. a rear bearing of the two shafts; 23. a flange plate; 24. an intermediate shaft; 25. middle main teeth; 26. six teeth in the middle; 27. a middle three-tooth needle bearing; 28. a middle three-tooth element; 29. a third and fourth gear synchronizing ring assembly; 30. a third-fourth gear synchronizer assembly; 31. a middle-four ratcheting member; 32. middle-four tooth needle roller bearings; 33. a countershaft roller bearing; 34. a shaft; 35. a front shaft bearing; 36. a shaft roller bearing; 37. a shaft engaging tooth; 38. a reverse idler; 39. an input shaft assembly.

Description of the embodiments

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Examples

As shown in fig. 1 to 4, the present utility model provides a six-speed transmission, including a front box assembly 2, a two-shaft assembly 3 is rotatably mounted in the front box assembly 2 and located at a central position, the two-shaft assembly 3 includes a two-shaft 6, a 5/6-speed synchronizer assembly 7 is movably mounted on an outer surface of the two-shaft 6 and near one end position, a six-speed needle bearing 10 is rotatably mounted on an outer surface of the two-shaft 6 and located at a position on one side of the 5/6-speed synchronizer assembly 7, a six-speed gear assembly 9 is fixedly mounted on an outer surface of the six-speed needle bearing 10, a 5/6/R-speed synchronizer cone ring 8 is fixedly mounted on one side of the 5/6-speed synchronizer assembly 7, one end of the 5/6/R-speed synchronizer cone ring 8 is clamped with an outer surface of the six-speed gear assembly 9, a rear box assembly 5 is fixedly mounted on one side of the front box assembly 2, a reverse gear idler 38 is slidably mounted in the rear box assembly 5, the other side of the front box body assembly 2 is fixedly provided with a clutch cover 1, the outer surface of a two-shaft 6 is provided with a 2/R gear needle bearing 12 in a rotating way near the middle position, the outer surface of the 2/R gear needle bearing 12 is fixedly provided with a two-gear roller bearing 18 in a rotating way near the middle position, the outer surface of the two-shaft 6 is provided with a first gear roller bearing 18 in a rotating way near the middle position, the outer surface of the first gear roller bearing 18 is fixedly provided with a first gear roller bearing 17, the outer surface of the two-shaft 6 is provided with a 1/2 gear synchronizer assembly 15 in a sliding way between the two-gear roller bearing 13 and the first gear roller bearing 17, the two sides of the 1/2 gear synchronizer assembly 15 are fixedly provided with a 1/2 gear synchronizer cone ring assembly 14, the outer surface of the two-shaft 6 is provided with a two-shaft roller bearing 11 in a rotating way near one side of the two-gear assembly 13, the outer surface of the two shafts 6 is sleeved with a reverse gear bushing 19 near one side of the first gear engaging piece 17, the outer surface of the reverse gear bushing 19 is rotatably provided with a reverse gear engaging piece 20, the outer surface of the two shafts 6 is slidably provided with a reverse gear synchronizer engaging piece 21 at one side of the reverse gear engaging piece 20, the outer surface of a reverse gear idler wheel 38 is meshed with the outer surface of the reverse gear engaging piece 20, the outer surface of the two shafts 6 is rotatably provided with a two-shaft rear bearing 22 near the other end, and one end of the two shafts 6 is fixedly provided with a flange plate 23.

In the following, the specific arrangement and action of the present embodiment will be described specifically, when the gear shift to sixth gear is required, the 5/6 gear synchronizer cone 8 is slid so that the 5/6/R gear synchronizer cone 8 is inserted into the sixth gear assembly 9, then the first shaft 34 rotates and drives the middle main gear 25 to rotate through the first shaft engaging gear 37, the middle shaft 24 rotates and drives the middle sixth gear 26 to rotate along with the rotation of the middle main gear 25, the middle sixth gear 26 drives the sixth gear assembly 9 to rotate, thereby driving the 5/6/R gear synchronizer cone 8 to rotate together, finally transmitting power to the second shaft 6 and driving the flange plate 23 to rotate, by providing the clutch cover 1, protection of the input shaft assembly 39 can be achieved, power can be provided for the second shaft 6 by providing the middle shaft 24, the 5/6 gear synchronizer cone 7 is used for performing gear shifting of fifth gear and sixth gear, the 5/6/R gear synchronizer cone 8 can be meshed with the sixth gear assembly 9, and kinetic energy can be transferred from the 5/6 to the second shaft assembly 7.

Examples

As shown in fig. 1 and 4, the front box assembly 2 is internally rotatably provided with an intermediate shaft assembly 4, the intermediate shaft assembly 4 comprises an intermediate shaft 24, a middle main tooth 25 is fixedly connected to the outer surface of the intermediate shaft 24 near one end position, a middle six tooth 26 is fixedly connected to the outer surface of the intermediate shaft 24 near one side position of the middle main tooth 25, a middle three-tooth needle bearing 27 is rotatably provided to the outer surface of the intermediate shaft 24 near the intermediate position, a middle three-tooth engaging member 28 is fixedly provided to the outer surface of the middle three-tooth needle bearing 27, a three-four-gear synchronizer assembly 30 is slidably provided to the outer surface of the intermediate shaft 24 at the intermediate position, three four-gear synchronizer assemblies 30 are fixedly provided to both sides of the three-four-gear synchronizer assembly 30, a middle four-tooth needle bearing 32 is rotatably provided to the outer surface of the intermediate shaft 24, a middle four-tooth roller bearing 33 is fixedly provided to the outer surface of the middle four-tooth bearing 32, an input shaft assembly 39 is rotatably provided to one end of the two shafts 6, the input shaft assembly 39 comprises a shaft 34, a front shaft 34 is rotatably provided to one end 35 of the shaft 34 is rotatably engaged with one end of the main tooth 37 of the shaft 37, and one end of the front shaft 34 is rotatably provided to the main tooth 37 is rotatably engaged with one end of the shaft 37 of the main tooth 37.

The effect that its whole embodiment reaches is, through a axle 34 rotation for a axle engagement tooth 37 can drive jackshaft 24 and continue to rotate, makes the gear shift in-process, and a axle 34 need not stop running, has improved gear shifting efficiency, through setting up jackshaft 24, can realize the transmission to the power, through setting up reverse gear idler 38, can realize the conversion to reverse gear and gear, through setting up a axle engagement tooth 37, can make a axle 34 rotate and can drive jackshaft 24 and rotate.

The application method and the working principle of the device are as follows: when the gear is required to be adjusted to be in six gears, the 5/6 gear synchronizer assembly 7 is slid, so that the 5/6/R gear synchronizer cone 8 is inserted into the six gear assembly 9, then the shaft 34 rotates and drives the middle main gear 25 to rotate through the shaft joint gear 37, the middle shaft 24 rotates and drives the middle six gear 26 to rotate along with the rotation of the middle main gear 25, the middle six gear 26 drives the six gear assembly 9 to rotate, and the 5/6/R gear synchronizer cone 8 is driven to rotate together, finally power is transmitted to the two shafts 6 and drives the flange plate 23 to rotate, and other gears are replaced in the same way.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. A six-speed transmission comprising a front case assembly (2), characterized in that: the front box assembly (2) is internally provided with a two-shaft assembly (3) in a rotating mode at the center position, the two-shaft assembly (3) comprises a two-shaft (6), a 5/6 gear synchronizer assembly (7) is movably arranged at the outer surface of the two-shaft (6) and close to one end position, a six-gear needle bearing (10) is rotatably arranged at the outer surface of the two-shaft (6) and at one side position of the 5/6 gear synchronizer assembly (7), a six-gear assembly (9) is fixedly arranged at the outer surface of the six-gear needle bearing (10), a 5/6/R gear synchronizer cone ring (8) is fixedly arranged at one side of the 5/6/R gear synchronizer cone ring (8), and one end of the 5/6/R gear synchronizer cone ring (8) is clamped with the outer surface of the six-gear assembly (9).

2. A six speed transmission according to claim 1, wherein: the front box assembly (2) internally rotates and installs jackshaft assembly (4), jackshaft assembly (4) are including jackshaft (24), jackshaft (24) surface and be close to one end position department fixedly connected with well main tooth (25), jackshaft (24) surface and be close to well main tooth (25) one side position department fixedly connected with well six tooth (26), jackshaft (24) surface and be close to intermediate position department rotation and install well tridentate bearing (27), well tridentate bearing (27) surface fixed mounting has well tridentate piece (28), jackshaft (24) surface and be located intermediate position department slidable mounting have three four shelves synchronous ring assembly (30), three four shelves synchronous ring assembly (29) of three four shelves synchronous ware assembly (30) both sides fixed mounting, jackshaft (24) surface rotation is installed well four toothed needle bearing (32), well four toothed needle bearing (32) surface fixed mounting has well tetradentate piece (31), jackshaft (24) surface just be located well four toothed needle bearing (31) one side rotation of locating place.

3. A six speed transmission according to claim 2, wherein: the transmission of diaxon (6) one end is installed input shaft assembly (39), input shaft assembly (39) include a axle (34), a front axle bearing (35) is installed in rotation of a axle (34) surface, a roller bearing (36) is installed in rotation of a axle (34) one end inside, a coupling tooth (37) is installed in rotation of a axle (34) one end, a coupling tooth (37) surface with well main tooth (25) surface meshes.

4. A six speed transmission according to claim 1, wherein: the clutch transmission mechanism comprises a front box body assembly (2), a rear box body assembly (5) is fixedly arranged on one side of the front box body assembly (2), a reverse gear idler wheel (38) is slidably arranged in the rear box body assembly (5), and a clutch cover (1) is fixedly arranged on the other side of the front box body assembly (2).

5. A six speed transmission in accordance with claim 4 wherein: the novel gear transmission mechanism is characterized in that a 2/R gear needle bearing (12) is rotatably mounted on the outer surface of the two shafts (6) and close to the middle position, a second gear conical ring assembly (14) is fixedly mounted on the outer surface of the 2/R gear needle bearing (12), a first gear needle bearing (18) is rotatably mounted on the outer surface of the two shafts (6) and close to the middle position, a first gear roller assembly (17) is fixedly mounted on the outer surface of the first gear needle bearing (18), a 1/2 gear synchronizer assembly (15) is slidably mounted on the outer surface of the two shafts (6) and positioned between the second gear assembly (13) and the first gear assembly (17), a 1/2 gear synchronizer conical ring assembly (14) is fixedly mounted on two sides of the 1/2 gear synchronizer assembly (15), and a second shaft roller bearing (11) is rotatably mounted on the outer surface of the two shafts (6) and positioned on one side of the second gear assembly (13).

6. A six speed transmission in accordance with claim 5, wherein: the gear transmission device is characterized in that a reverse gear bushing (19) is sleeved on the outer surface of the two shafts (6) and is close to one side of the first gear engagement piece (17), a reverse gear engagement piece (20) is rotatably arranged on the outer surface of the reverse gear bushing (19), a reverse gear synchronizer engagement piece (21) is slidably arranged on the outer surface of the two shafts (6) and is positioned on one side of the reverse gear engagement piece (20), and the outer surface of the reverse gear idler wheel (38) is meshed with the outer surface of the reverse gear engagement piece (20).

7. A six speed transmission according to claim 1, wherein: the outer surface of the two shafts (6) is provided with a two-shaft rear bearing (22) in a rotating mode at a position close to the other end of the outer surface of the two shafts (6), and one end of the two shafts (6) is fixedly provided with a flange plate (23).