阅读说明：本技术 贯穿式多档序列变速器 (Penetration type multi-gear sequential transmission ) 是由 崔志辉 于 2021-01-14 设计创作，主要内容包括：本发明公开了一种贯穿式多档序列变速器,涉及汽车技术领域,包括变速器箱体,第一贯穿轴通过轴承固定在变速器箱体上,第一贯穿轴一端通过花键连接第一多片离合器,第一多片离合器通过轴承固定在变速器箱体外侧,第一贯穿轴另一端与第一拔叉轮固定连接,第一贯穿轴上设有第一花键,第二贯穿轴通过轴承固定在变速器箱体上,第二贯穿轴一端通过花键连接第二多片离合器,第二多片离合器通过轴承固定在变速器箱体外侧,第二贯穿轴另一端与第二拔叉轮固定连接,第二贯穿轴上设有第二花键；输入轴上固定连接输入齿轮；导向轮通过轴固定在变速器箱体内,各档主动齿轮与相应各档从动齿轮啮合。本发明结构简单、成本低、档位多,适于推广应用。(The invention discloses a penetration type multi-gear sequence transmission, which relates to the technical field of automobiles and comprises a transmission box body, wherein a first penetration shaft is fixed on the transmission box body through a bearing, one end of the first penetration shaft is connected with a first multi-plate clutch through a spline, the first multi-plate clutch is fixed on the outer side of the transmission box body through the bearing, the other end of the first penetration shaft is fixedly connected with a first shifting fork wheel, the first penetration shaft is provided with a first spline, a second penetration shaft is fixed on the transmission box body through the bearing, one end of the second penetration shaft is connected with a second multi-plate clutch through the spline, the second multi-plate clutch is fixed on the outer side of the transmission box body through the bearing, the other end of the second penetration shaft is fixedly connected with a second shifting fork wheel, and the second penetration shaft is provided with a second; the input shaft is fixedly connected with an input gear; the guide wheel is fixed in the transmission box body through a shaft, and each gear driving gear is meshed with each corresponding gear driven gear. The invention has simple structure, low cost and multiple gears, and is suitable for popularization and application.)

1. Through type multispeed transmission characterized in that: the clutch comprises a transmission box body (11), a first through shaft (21) is fixed on the transmission box body (11) through a bearing, one end of the first through shaft (21) is connected with a first multi-plate clutch (1) through a spline, the first multi-plate clutch (1) is fixed on the outer side of the transmission box body (11) through a bearing, the other end of the first through shaft (21) is fixedly connected with a first pulling fork wheel (20), a first spline (24) is arranged on the first through shaft (21), the first through shaft (21) is positioned in the transmission box body (11) and sequentially penetrates through a first gear driving gear (23), a third gear driving gear (22), …, a 2m-1 gear driving gear, a first gear driving gear (23), a third gear driving gear (22), … and a 2m-1 gear driving gear side face are all welded with a sleeve (10), the first gear driving gear (23), the third gear driving gear (22), …, The 2m-1 gear driving gears are all provided with internal splines corresponding to the first splines (24), the inner diameters of the first gear driving gear (23), the third gear driving gear (22), the … and the 2m-1 gear driving gear are the same as the outer diameter of the first through shaft (21), and m is a natural number greater than or equal to 1;

a second penetrating shaft (13) is fixed on the transmission box body (11) through a bearing, one end of the second penetrating shaft (13) is connected with a second multi-plate clutch (5) through a spline, the second multi-plate clutch (5) is fixed on the outer side of the transmission box body (11) through a bearing, the other end of the second penetrating shaft (13) is fixedly connected with a second fork pulling wheel (12), a second spline (7) is arranged on the second penetrating shaft (13), the second penetrating shaft (13) is positioned in the transmission box body (11) and sequentially penetrates through a reverse gear driving gear (6), a second gear driving gear (8), a fourth gear driving gear (9), … and a 2n gear driving gear, sleeves are welded on the side surfaces of the second gear driving gear (8), the fourth gear driving gear (9), … and the 2n gear driving gear, and internal splines corresponding to the second spline (7) are arranged in the second gear driving gear (8), the fourth gear driving gear (9), … and the 2n gear, the inner diameters of the reverse gear driving gear (6), the second gear driving gear (8), the fourth gear driving gear (9), … and the 2n gear driving gear are the same as the outer diameter of the second penetrating shaft (13), n is a natural number larger than or equal to 1, and n = m or m-1;

an input gear (3) is fixedly connected to an input shaft (2), the input gear (3) is respectively meshed with a first multi-plate clutch (1) and a second multi-plate clutch (5), two ends of a first output shaft (19) are fixed to a transmission box body (11) through bearings, the first output shaft (19) is sequentially and tightly connected with a reverse gear driven gear (14), a first gear driven gear (15), a second gear driven gear (16), a third gear driven gear (17), a fourth gear driven gear (18), … and an s gear driven gear in the transmission box body (11), and s is the larger value of 2m-1 and 2 n;

the guide wheel (4) is fixed in the transmission box body (11) through a shaft, the reverse gear driving gear (6) is meshed with the reverse gear driven gear (14) through the guide wheel (4), the first gear driving gear (23) is meshed with the first gear driven gear (15), the second gear driving gear (8) is meshed with the second gear driven gear (16), the third gear driving gear (22) is meshed with the third gear driven gear (17), the fourth gear driving gear (9) is meshed with the fourth gear driven gear (18), … and the like, and each gear driving gear is meshed with each corresponding gear driven gear.

2. The through-going multispeed transmission of claim 1, wherein: the first spline (24) and the second spline (7) are both round head splines or hexagonal splines, and the number of spline teeth is at least 2.

3. The through-going multispeed transmission of claim 1, wherein: the module of each gear driving gear is designed in proportion to the number of the grooves of the internal spline, and the gear module is as follows: number of internal spline grooves = 100: 1-1: 100.

4. through type multispeed transmission characterized in that: the transmission comprises a transmission box body (26), an input shaft (33) is fixed on the transmission box body (26) through a bearing, one end of the input shaft (33) is connected with a third multi-plate clutch (25) through a spline, the third multi-plate clutch (25) is fixed on the outer side of the transmission box body (26) through a bearing, the input shaft (33) is positioned in the transmission box body (26) and is sequentially and tightly matched with a reverse gear driving gear (27), a first gear driving gear (28), a second gear driving gear (29), a third gear driving gear (30), a fourth gear driving gear (31), … and a t gear driving gear, t is a natural number which is larger than or equal to 1, and sleeves (32) are welded on the side surfaces of the reverse gear driving gear (27), the first gear driving gear (28), the second gear driving gear (29), the third gear driving gear (30);

the second output shaft (34) is fixed on the transmission box body (26) through a bearing, one end of the second output shaft (34) is fixedly connected with a shifting fork wheel (41), a third spline (39) is arranged on the second output shaft (34), the second output shaft (34) is positioned in the transmission box body (26) and sequentially penetrates through a reverse gear driven gear (40), a first gear driven gear (38), a second gear driven gear (37), a third gear driven gear (36), a fourth gear driven gear (35), … and a t gear driven gear, t is a natural number larger than or equal to 1, the reverse gear driven gear (40), the first gear driven gear (38), the second gear driven gear (37), the third gear driven gear (36), the fourth gear driven gear (35), … and the t gear driven gear are welded with sleeves (32) on the side faces, the reverse gear driven gear (40), the first gear driven gear (38), the second gear driven gear (37), The third-gear driven gear (36), the fourth-gear driven gear (35), … and the t-gear driven gear are internally provided with internal splines corresponding to the third splines (39), and the inner diameters of the reverse gear driven gear (40), the first-gear driven gear (38), the second-gear driven gear (37), the third-gear driven gear (36), the fourth-gear driven gear (35), … and the t-gear driven gear are the same as the outer diameter of the second output shaft (34);

the guide wheel (42) is fixed in the transmission box body (26) through a shaft, the reverse gear driving gear (27) is connected with the reverse gear driven gear (40) through the guide wheel (42), the first gear driving gear (28) is meshed with the first gear driven gear (38), the second gear driving gear (29) is meshed with the second gear driven gear (37), the third gear driving gear (30) is meshed with the third gear driven gear (36), the fourth gear driving gear (31) is meshed with the fourth gear driven gear (35), …, the t gear driving gear is meshed with the t gear driven gear, namely, each gear driving gear is meshed with each corresponding gear driven gear.

5. The through-going multispeed transmission of claim 4, wherein: the third spline (39) is a round head spline or a hexagonal spline, and the number of spline teeth is at least 2.

6. The through-going multispeed transmission of claim 4, wherein: the module of each gear driving gear is designed in proportion to the number of the grooves of the internal spline, and the gear module is as follows: number of internal spline grooves = 100: 1-1: 100.

Technical Field

The invention relates to the technical field of automobiles, in particular to a penetration type multi-gear sequential transmission.

Background

The sequential transmission, a full-scale sequential manual transmission, also called a straight-tooth transmission, can complete downshifting and upshifting, rather than automatic shifting, by pushing and pulling a gear lever back and forth. The existing automobile clutch transmission is large in size, complex in structure and high in cost, and cannot meet the automobile requirements of the existing market.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a penetration type multi-gear sequence transmission which is small in size, simple in structure, low in cost and multiple in gear.

The technical scheme adopted by the invention is as follows:

a penetration type multi-gear sequence transmission comprises a transmission box body, a first penetration shaft is fixed on the transmission box body through a bearing, one end of the first penetration shaft is connected with a first multi-plate clutch through a spline, the first multi-plate clutch is fixed on the outer side of the transmission box body through the bearing, the other end of the first penetration shaft is fixedly connected with a first shifting fork wheel, the first penetration shaft is provided with a first spline, the first penetration shaft is positioned in the transmission box body and sequentially penetrates through a first-gear driving gear, a third-gear driving gear, a fifth-gear driving gear, … and a 2 m-1-gear driving gear, sleeves are welded on the side surfaces of the first-gear driving gear, the third-gear driving gear, the fifth-gear driving gear, … and the 2 m-1-gear driving gear, and the first-gear driving gear, the third-gear driving gear, the fifth-gear, the …, the inner diameters of the first gear driving gear, the third gear driving gear, the fifth gear driving gear, … and the 2m-1 gear driving gear are the same as the outer diameter of the first through shaft, and m is a natural number greater than or equal to 1;

a second penetrating shaft is fixed on the transmission box body through a bearing, one end of the second penetrating shaft is connected with a second multi-plate clutch through a spline, the second multi-plate clutch is fixed on the outer side of the transmission box body through the bearing, the other end of the second penetrating shaft is fixedly connected with a second shifting fork wheel, a second spline is arranged on the second penetrating shaft, the second penetrating shaft is positioned in the transmission box body and sequentially penetrates through a reverse gear driving gear, a second gear driving gear, a fourth gear driving gear, … and a 2n gear driving gear, sleeves are welded on the side surfaces of the second gear driving gear, the fourth gear driving gear, … and the 2n gear driving gear, inner splines corresponding to the second spline are arranged in the second gear driving gear, the fourth gear driving gear, … and the 2n gear driving gear, the inner diameter of the second penetrating shaft is the same as the outer diameter of the second penetrating shaft, and n is a natural number larger than or equal to 1, n = m or m-1;

an input gear is fixedly connected to the input shaft, the input gear is respectively meshed with the first multi-plate clutch and the second multi-plate clutch, two ends of a first output shaft are fixed to a transmission box body through bearings, the first output shaft is sequentially and tightly connected with a reverse gear driven gear, a first-gear driven gear, a second-gear driven gear, a third-gear driven gear, a fourth-gear driven gear, … and an s-gear driven gear in the transmission box body, and s is the larger value of 2m-1 and 2 n;

the guide wheel is fixed in the transmission box body through a shaft, the reverse gear driving gear is meshed with the reverse gear driven gear through the guide wheel, the first gear driving gear is meshed with the first gear driven gear, the second gear driving gear is meshed with the second gear driven gear, the third gear driving gear is meshed with the third gear driven gear, the fourth gear driving gear is meshed with the fourth gear driven gear, … and the like, and each gear driving gear is meshed with each corresponding gear driven gear.

First spline, second spline are button head spline or hexagon spline, and the spline tooth is 2 at least.

Preferably, the driving gear module of each gear is designed in proportion to the number of the internal spline grooves, and the gear module is as follows: number of internal spline grooves = 100: 1-1: 100.

the invention can also adopt the following technical scheme:

the through type multi-gear sequence transmission comprises a transmission box body, an input shaft is fixed on the transmission box body through a bearing, one end of the input shaft is connected with a third multi-plate clutch through a spline, the third multi-plate clutch is fixed on the outer side of the transmission box body through the bearing, the input shaft is positioned in the transmission box body and is sequentially and tightly matched with a reverse gear driving gear, a first gear driving gear, a second gear driving gear, a third gear driving gear, a fourth gear driving gear, … and a t gear driving gear, t is a natural number which is greater than or equal to 1, and sleeves are welded on the side faces of the reverse gear driving gear, the first gear driving gear, the second gear driving gear, the third gear driving gear, the;

a second output shaft is fixed on a transmission box body through a bearing, one end of the second output shaft is fixedly connected with a shifting fork wheel, a third spline is arranged on the second output shaft, the second output shaft is positioned in the transmission box body and sequentially penetrates through a reverse gear driven gear, a first gear driven gear, a second gear driven gear, a third gear driven gear, a fourth gear driven gear, … and a t-gear driven gear, t is a natural number larger than or equal to 1, sleeves are welded on the side surfaces of the reverse gear driven gear, the first gear driven gear, the second gear driven gear, the third gear driven gear, the fourth gear driven gear, … and the t-gear driven gear, spline inner parts corresponding to the third spline are arranged in the reverse gear driven gear, the first gear driven gear, the second gear driven gear, the third gear driven gear, a spline inner part corresponding to the third spline is arranged in the reverse gear driven gear, the first gear driven, The inner diameters of the fourth-gear driven gear, the … and the t-gear driven gear are the same as the outer diameter of the second output shaft;

the guide wheel is fixed in the transmission box body through a shaft, the reverse gear driving gear is connected with the reverse gear driven gear through the guide wheel, the first gear driving gear is meshed with the first gear driven gear, the second gear driving gear is meshed with the second gear driven gear, the third gear driving gear is meshed with the third gear driven gear, the fourth gear driving gear is meshed with the fourth gear driven gear, …, the t gear driving gear is meshed with the t gear driven gear, namely, each gear driving gear is meshed with each corresponding gear driven gear.

The third spline is a round head spline or a hexagonal spline, and the number of spline teeth is at least 2.

Preferably, the driving gear module of each gear is designed in proportion to the number of the internal spline grooves, and the gear module is as follows: number of internal spline grooves = 100: 1-1: 100.

the invention has the advantages that: the invention has simple structure and small volume, adopts two design forms and meets different requirements; 2. the cost is low, the gears are multiple, and different gears can be designed according to requirements.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

FIG. 2 is a perspective view of a through shaft structure of the present invention;

FIG. 3 is a front view of a through-shaft configuration of the present invention;

FIG. 4 is a top view of a through-shaft structure of the present invention;

FIG. 5 is a cross-sectional view D-D of FIG. 4;

FIG. 6 is a cross-sectional view E-E of FIG. 5;

FIG. 7 is a left side view of the through-shaft configuration of the present invention;

fig. 8 is a schematic view of the overall structure of embodiment 4 of the present invention.

Detailed Description

The invention will be further explained with reference to the drawings.

Embodiment 1 as shown in fig. 1 to 7, a through type multi-gear sequential transmission includes a transmission case 11, a first through shaft 21 is fixed on the transmission case 11 through a bearing, one end of the first through shaft 21 is connected to a first multi-plate clutch 1 through a spline, the first multi-plate clutch 1 is fixed outside the transmission case 11 through a bearing, the other end of the first through shaft 21 is fixedly connected to a first fork wheel 20, a first spline 24 is disposed on the first through shaft 21, the first through shaft 21 is located in the transmission case 11 and sequentially passes through a first gear driving gear 23 and a third gear driving gear 22, lateral surfaces of the first gear driving gear 23 and the third gear driving gear 22 are all welded to a sleeve 10 to ensure axial stability of the first gear driving gear 22 and the third gear driving gear 23, the first gear driving gear 23 and the third gear driving gear 22 are both provided with an internal spline corresponding to the first spline 24, the first gear driving gear 23, the third gear, The inner diameter of the third-gear driving gear 22 is the same as the outer diameter of the first through shaft 21;

a second through shaft 13 is fixed on the transmission box body 11 through a bearing, one end of the second through shaft 13 is connected with a second multi-plate clutch 5 through a spline, the second multi-plate clutch 5 is fixed on the outer side of the transmission box body 11 through a bearing, the other end of the second through shaft 13 is fixedly connected with a second fork wheel 12, a second spline 7 is arranged on the second through shaft 13, the second through shaft 13 is positioned in the transmission box body 11 and sequentially passes through a reverse gear driving gear 6, a second gear driving gear 8 and a fourth gear driving gear 9, sleeves are welded on the side surfaces of the second gear driving gear 8 and the fourth gear driving gear 9 to ensure the second gear driving gear 8, the stability of the fourth gear driving gear 9 and the reverse gear driving gear 6 in the axial direction, the internal splines corresponding to the second splines 7 are arranged in the second gear driving gear 8 and the fourth gear driving gear 9, and the inner diameters of the reverse gear driving gear 6, the second gear driving gear 8 and the fourth gear driving gear 9 are the same as the outer diameter of the second through shaft 13;

an input gear 3 is fixedly connected to an input shaft 2, the input gear 3 is respectively meshed with a first multi-plate clutch 1 and a second multi-plate clutch 5, two ends of a first output shaft 19 are fixed to a transmission box body 11 through bearings, and the first output shaft 19 is sequentially and tightly connected with a reverse driven gear 14, a first-gear driven gear 15, a second-gear driven gear 16, a third-gear driven gear 17 and a fourth-gear driven gear 18 in the transmission box body 11;

the guide wheel 4 is fixed in the transmission box body 11 through a shaft, the reverse gear driving gear 6 is meshed with the reverse gear driven gear 14 through the guide wheel 4, the first gear driving gear 23 is meshed with the first gear driven gear 15, the second gear driving gear 8 is meshed with the second gear driven gear 16, the third gear driving gear 22 is meshed with the third gear driven gear 17, and the fourth gear driving gear 9 is meshed with the fourth gear driven gear 18.

The first spline 24 and the second spline 7 are both hexagonal splines, and the number of spline teeth is 6.

The modulus of the driving gear of each gear is designed in proportion to the number of the grooves of the internal spline, and the gear modulus is as follows: number of internal spline grooves = 100: 1.

the present embodiment is a four-speed transmission, i.e. n = m =2 and s =4, and its working principle is as follows:

reverse gear:

the second multi-plate clutch 5 is separated, the second spline 7 is driven to slide leftwards through the second shifting fork wheel 12 and the second penetrating shaft 13, the second spline 7 is matched with an internal spline in the reverse gear driving gear 6, the reverse gear is engaged, the second multi-plate clutch 5 is tightly closed, the output shaft 19 is driven to rotate reversely through the guide wheel 4 and the reverse gear driven gear 14, the second multi-plate clutch 5 is separated after the reverse gear is completed, and at the moment, the second spline 7 slides rightwards and is engaged in a neutral gear to stand by.

Gear-shifting:

the first multi-plate clutch 1 is separated, the first spline 24 slides rightwards, the first multi-plate clutch is engaged, the first multi-plate clutch 1 is closed, the first gear works, and outputs positive rotation, (the following forward gears are positive rotation), at this time, the second multi-plate clutch 5 is in a separated state, the spline second spline 7 slides rightwards, and the second multi-plate clutch is engaged to the second gear for standby;

the second gear, the first multi-plate clutch 1 is separated, the second multi-plate clutch 5 is closed, the second gear works, and at the moment, the first spline 24 slides rightwards and is engaged into the third gear to stand by;

the third gear, the second multi-plate clutch 5 is separated, the first multi-plate clutch 1 is closed, the third gear works, and at the moment, the second spline 7 slides rightwards and is engaged into the fourth gear to stand by;

and in the fourth gear, the first multi-plate clutch 1 is separated, the second multi-plate clutch 5 is closed, the fourth gear works, the first spline 24 is not moved at this time, and the fourth gear stands by.

Gear shifting:

the third gear, the second multi-plate clutch 5 is separated, the first multi-plate clutch 1 is closed, the third gear works, at the moment, the second spline 7 slides leftwards, and the second gear is engaged for standby;

the second gear, the first multi-plate clutch 1 is separated, the second multi-plate clutch 5 is closed, the second gear works, at this time, the first spline 24 slides leftwards, and the first gear is engaged for standby;

the first gear is disengaged, the second multi-plate clutch 5 is disengaged, the first multi-plate clutch 1 is closed, the first gear works, and the second spline 7 slides leftwards and is put into the neutral position to be ready;

the first multi-plate clutch 1 is disengaged, and the first spline 24 slides to the left, and is put into the neutral position to be ready.

Note: multiple shifts can be performed in this order.

Embodiment 2 a through type multi-gear sequential transmission, which comprises a transmission case 11, wherein a first through shaft 21 is fixed on the transmission case 11 through a bearing, one end of the first through shaft 21 is connected with a first multi-plate clutch 1 through a spline, the first multi-plate clutch 1 is fixed on the outer side of the transmission case 11 through a bearing, the other end of the first through shaft 21 is fixedly connected with a first fork pulling wheel 20, a first spline 24 is arranged on the first through shaft 21, the first through shaft 21 is positioned in the transmission case 11 and passes through a first gear driving gear 23, a sleeve 10 is welded on the side surface of the first gear driving gear 23 to ensure the stability of the first gear driving gear 22 in the axial direction, the first gear driving gear 23 is provided with an internal spline corresponding to the first spline 24, and the inner diameter of the first gear driving gear 23 is the same as;

a second penetrating shaft 13 is fixed on the transmission box body 11 through a bearing, one end of the second penetrating shaft 13 is connected with a second multi-plate clutch 5 through a spline, the second multi-plate clutch 5 is fixed on the outer side of the transmission box body 11 through a bearing, the other end of the second penetrating shaft 13 is fixedly connected with a second fork wheel 12, a second spline 7 is arranged on the second penetrating shaft 13, the second penetrating shaft 13 is positioned in the transmission box body 11 and sequentially penetrates through a reverse gear driving gear 6 and a second gear driving gear 8, a sleeve is welded on the side surface of the second gear driving gear 8 to ensure the stability of the second gear driving gear 8 and the reverse gear driving gear 6 in the axial direction, an internal spline corresponding to the second spline 7 is arranged in the second gear driving gear 8, and the inner diameters of the reverse gear driving gear 6 and the second gear driving gear 8 are the same as the;

an input gear 3 is fixedly connected to an input shaft 2, the input gear 3 is respectively meshed with a first multi-plate clutch 1 and a second multi-plate clutch 5, two ends of a first output shaft 19 are fixed to a transmission box body 11 through bearings, and the first output shaft 19 is sequentially and tightly connected with a reverse driven gear 14, a first-gear driven gear 15 and a second-gear driven gear 16 in the transmission box body 11;

the guide wheel 4 is fixed in the transmission case 11 through a shaft, the reverse gear driving gear 6 is meshed with the reverse gear driven gear 14 through the guide wheel 4, the first gear driving gear 23 is meshed with the first gear driven gear 15, and the second gear driving gear 8 is meshed with the second gear driven gear 16.

The first spline 24 and the second spline 7 are both round-head splines, and the number of spline teeth is 2.

The module of each gear driving gear is designed in proportion to the number of the grooves of the internal spline, and the gear module is as follows: number of inner spline grooves = 1: 100.

in the embodiment, n = m =1 and s =2, the transmission is a two-gear transmission.

Embodiment 3 a through type multi-gear sequential transmission, which comprises a transmission case 11, a first through shaft 21 fixed on the transmission case 11 through a bearing, one end of the first through shaft 21 connected to a first multi-plate clutch 1 through a spline, the first multi-plate clutch 1 fixed outside the transmission case 11 through a bearing, the other end of the first through shaft 21 fixedly connected to a first fork wheel 20, the first through shaft 21 having a first spline 24, the first through shaft 21 located in the transmission case 11 sequentially passing through a first gear driving gear 23 and a third gear driving gear 22, the first gear driving gear 23 and the third gear driving gear 22 having side surfaces welded with a sleeve 10 to ensure the first gear driving gear 22, the third-gear driving gear 23 is stable in the axial direction, the first-gear driving gear 23 and the third-gear driving gear 22 are both provided with internal splines corresponding to the first splines 24, and the inner diameters of the first-gear driving gear 23 and the third-gear driving gear 22 are the same as the outer diameter of the first through shaft 21;

a second penetrating shaft 13 is fixed on the transmission box body 11 through a bearing, one end of the second penetrating shaft 13 is connected with a second multi-plate clutch 5 through a spline, the second multi-plate clutch 5 is fixed on the outer side of the transmission box body 11 through a bearing, the other end of the second penetrating shaft 13 is fixedly connected with a second fork wheel 12, a second spline 7 is arranged on the second penetrating shaft 13, the second penetrating shaft 13 is positioned in the transmission box body 11 and sequentially penetrates through a reverse gear driving gear 6 and a second gear driving gear 8, a sleeve is welded on the side surface of the second gear driving gear 8 to ensure the stability of the second gear driving gear 8 and the reverse gear driving gear 6 in the axial direction, an internal spline corresponding to the second spline 7 is arranged in the second gear driving gear 8, and the inner diameters of the reverse gear driving gear 6 and the second gear driving gear 8 are the same as the;

an input gear 3 is fixedly connected to an input shaft 2, the input gear 3 is respectively meshed with a first multi-plate clutch 1 and a second multi-plate clutch 5, two ends of a first output shaft 19 are fixed to a transmission box body 11 through bearings, and the first output shaft 19 is sequentially and tightly connected with a reverse driven gear 14, a first-gear driven gear 15, a second-gear driven gear 16 and a third-gear driven gear 17 in the transmission box body 11;

the guide wheel 4 is fixed in the transmission box body 11 through a shaft, the reverse gear driving gear 6 is meshed with the reverse gear driven gear 14 through the guide wheel 4, the first gear driving gear 23 is meshed with the first gear driven gear 15, the second gear driving gear 8 is meshed with the second gear driven gear 16, and the third gear driving gear 22 is meshed with the third gear driven gear 17.

The first spline 24 and the second spline 7 are both hexagonal splines, and the number of spline teeth is 8.

The module of each gear driving gear is designed in proportion to the number of the grooves of the internal spline, and the gear module is as follows: number of inner spline grooves = 1: 1.

in the embodiment, n = m-1=1, s =3, and the transmission is a three-speed transmission.

When n = m =2, s =4, the transmission is a four-speed transmission; when n = m-1=2, s =5, a five-speed transmission; and so on.

Embodiment 4 is as shown in fig. 2 to 8, a through type multiple gear sequence transmission includes a transmission case 26, an input shaft 33 is fixed on the transmission case 26 through a bearing, one end of the input shaft 33 is connected with a third multiple clutch 25 through a spline, the third multiple clutch 25 is fixed outside the transmission case 26 through a bearing, the input shaft 33 is located in the transmission case 26 and is sequentially and tightly matched with a reverse gear driving gear 27, a first gear driving gear 28, a second gear driving gear 29, a third gear driving gear 30, and a fourth gear driving gear 31, the side surfaces of the reverse gear driving gear 27, the first gear driving gear 28, the second gear driving gear 29, the third gear driving gear 30, and the fourth gear driving gear 31 are all welded with a sleeve 32, so as to ensure the stability of the reverse gear driving gear 27, the first gear driving gear 28, the second gear driving gear 29, the third;

a second output shaft 34 is fixed on the transmission case 26 through a bearing, one end of the second output shaft 34 is fixedly connected with a shifting fork 41, a third spline 39 is arranged on the second output shaft 34, the second output shaft 34 is positioned in the transmission case 26 and sequentially passes through a reverse gear driven gear 40, a first gear driven gear 38, a second gear driven gear 37, a third gear driven gear 36 and a fourth gear driven gear 35, sleeves 32 are welded on the lateral surfaces of the reverse gear driven gear 40, the first gear driven gear 38, the second gear driven gear 37, the third gear driven gear 36 and the fourth gear driven gear 35 to ensure the axial stability of the reverse gear driven gear 40, the first gear driven gear 38, the second gear driven gear 37, the third gear driven gear 36 and the fourth gear driven gear 35, and internal splines corresponding to the third spline 39 are arranged in the reverse gear driven gear 40, the first gear driven gear 38, the second gear driven gear 37, the third gear driven gear 36 and the fourth gear driven gear 35, the inner diameters of the reverse driven gear 40, the first-gear driven gear 38, the second-gear driven gear 37, the third-gear driven gear 36 and the fourth-gear driven gear 35 are the same as the outer diameter of the second output shaft 34;

the guide wheel 42 is fixed in the transmission case 26 through a shaft, the reverse driving gear 27 is connected with the reverse driven gear 40 through the guide wheel 42, the first-gear driving gear 28 is meshed with the first-gear driven gear 38, the second-gear driving gear 29 is meshed with the second-gear driven gear 37, the third-gear driving gear 30 is meshed with the third-gear driven gear 36, and the fourth-gear driving gear 31 is meshed with the fourth-gear driven gear 35.

The third spline 39 is a hexagonal spline, and the number of spline teeth is 6.

The module of each gear driving gear is designed in proportion to the number of the grooves of the internal spline, and the gear module is as follows: number of internal spline grooves = 100: 1.

the present embodiment is a four-speed transmission, i.e. t =4, and its operating principle is as follows:

reverse gear:

the third multi-plate clutch 25 is separated, the third spline 39 slides leftwards to be engaged into a reverse gear, the third multi-plate clutch 25 is closed, the reverse gear works, the third multi-plate clutch 25 is separated, the third spline 39 slides rightwards to be engaged into a neutral gear.

Gear-shifting:

the first gear, the third multi-plate clutch 25 is separated, the third spline 39 slides rightwards, the first gear is engaged, the third multi-plate clutch 25 is closed, and the first gear works;

in the second gear, the third multi-plate clutch 25 is separated, the third spline 39 slides rightwards and is engaged into the second gear, the third multi-plate clutch 25 is closed, and the second gear works;

third gear, the third multi-plate clutch 25 is separated, the third spline 39 slides rightwards and is engaged with third gear, the third multi-plate clutch 25 is closed, and the third gear works;

in the fourth gear, the third multi-plate clutch 25 is disengaged, the third spline 39 slides to the right, the fourth gear is engaged, the third multi-plate clutch 25 is engaged, and the fourth gear works.

Gear shifting:

third gear: the third multi-plate clutch 25 is separated, the third spline 39 slides leftwards and is engaged in the third gear, the third multi-plate clutch 25 is closed, and the third gear works;

second gear: the third multi-plate clutch 25 is separated, the third spline 39 slides leftwards and is engaged into the second gear, the third multi-plate clutch 25 is closed, and the second gear works;

first gear: the third multi-plate clutch 25 is separated, the third spline 39 slides leftwards and is engaged into the first gear, the third multi-plate clutch 25 is closed, and the first gear works;

the third multi-plate clutch 25 is disengaged and the third spline 39 slides to the left, engaging neutral. Note: multiple gear shifts can be performed in this order.

Embodiment 5 through type many grades of sequence gearboxes, including the gearbox housing 26, the input shaft 33 is fixed on the gearbox housing 26 through the bearing, one end of the input shaft 33 passes the third multiplate clutch 25 of splined connection, the third multiplate clutch 25 is fixed outside the gearbox housing 26 through the bearing, the input shaft 33 locates in the gearbox housing 26 and closely cooperates reverse gear driving gear 27, first gear driving gear 28 sequentially, reverse gear driving gear 27, first gear driving gear 28 side all weld bush 32, guarantee the stability of reverse gear driving gear 27, first gear driving gear 28 in the axial;

a second output shaft 34 is fixed on the transmission box 26 through a bearing, one end of the second output shaft 34 is fixedly connected with a shifting fork 41, a third spline 39 is arranged on the second output shaft 34, the second output shaft 34 is positioned in the transmission box 26 and sequentially penetrates through a reverse gear driven gear 40 and a first gear driven gear 38, sleeves 32 are welded on the side faces of the reverse gear driven gear 40 and the first gear driven gear 38, the axial stability of the reverse gear driven gear 40 and the first gear driven gear 38 is ensured, internal splines corresponding to the third spline 39 are arranged in the reverse gear driven gear 40 and the first gear driven gear 38, and the inner diameters of the reverse gear driven gear 40 and the first gear driven gear 38 are the same as the outer diameter of the second output shaft 34;

the guide wheel 42 is fixed in the transmission case 26 through a shaft, the reverse driving gear 27 is connected with the reverse driven gear 40 through the guide wheel 42, and the first-gear driving gear 28 is meshed with the first-gear driven gear 38.

The third spline is the button head spline, and the spline tooth is 2.

The module of each gear driving gear is designed in proportion to the number of the grooves of the internal spline, and the gear module is as follows: number of inner spline grooves = 1: 100.

in the present embodiment, t =1, the first speed transmission is adopted.

Embodiment 6 a through type multi-gear sequence transmission, including a transmission case 26, an input shaft 33 fixed on the transmission case 26 through a bearing, one end of the input shaft 33 connected with a third multi-plate clutch 25 through a spline, the third multi-plate clutch 25 fixed outside the transmission case 26 through a bearing, the input shaft 33 located in the transmission case 26 in turn closely matching with a reverse gear driving gear 27, a first gear driving gear 28, a second gear driving gear 29, a third gear driving gear 30, the reverse gear driving gear 27, the first gear driving gear 28, the second gear driving gear 29, the third gear driving gear 30 side all welding sleeves 32, ensuring the stability of the reverse gear driving gear 27, the first gear driving gear 28, the second gear driving gear 29, the third gear driving gear 30 in the axial direction;

a second output shaft 34 is fixed on the transmission case 26 through a bearing, one end of the second output shaft 34 is fixedly connected with a shifting fork 41, a third spline 39 is arranged on the second output shaft 34, the second output shaft 34 is positioned in the transmission case 26 and sequentially penetrates through a reverse gear driven gear 40, a first gear driven gear 38, a second gear driven gear 37 and a third gear driven gear 36, sleeves 32 are welded on the side surfaces of the reverse gear driven gear 40, the first gear driven gear 38, the second gear driven gear 37 and the third gear driven gear 3635 to ensure the axial stability of the reverse gear driven gear 40, the first gear driven gear 38, the second gear driven gear 37 and the third gear driven gear 36, internal splines corresponding to the third spline 39 are arranged in the reverse gear driven gear 40, the first gear driven gear 38, the second gear driven gear 37 and the third gear driven gear 36, and the reverse gear driven gear 40, the first gear driven gear 38, the second gear driven gear 37 and the third gear driven gear 36 are, The inner diameter of the third-gear driven gear 36 is the same as the outer diameter of the second output shaft 34;

the guide wheel 42 is fixed in the transmission case 26 through a shaft, the reverse driving gear 27 is connected with the reverse driven gear 40 through the guide wheel 42, the first-gear driving gear 28 is meshed with the first-gear driven gear 38, the second-gear driving gear 29 is meshed with the second-gear driven gear 37, and the third-gear driving gear 30 is meshed with the third-gear driven gear 36.

The third spline is the hexagon spline, and the spline tooth is 8.

The module of each gear driving gear is designed in proportion to the number of the grooves of the internal spline, and the gear module is as follows: number of inner spline grooves = 1: 1.

in the present embodiment, t =3, the third speed transmission is provided.

When t =2, a second-speed transmission is adopted; when t =5, the transmission is a five-gear transmission; and so on.

The first through shaft 21, the second through shaft 13 and the second output shaft 34 have the same structure, and the first spline 24, the second spline 7 and the third spline 39 have the same structure.