CN221374355U

CN221374355U - Automatic clutch transmission

Info

Publication number: CN221374355U
Application number: CN202323434319.9U
Authority: CN
Inventors: 毛可岩; 乔磊; 闫守宝; 李举; 宋全美
Original assignee: Shandong Menwo Transmission Co ltd
Current assignee: Shandong Menwo Transmission Co ltd
Priority date: 2023-12-17
Filing date: 2023-12-17
Publication date: 2024-07-19
Anticipated expiration: 2033-12-17

Abstract

The utility model discloses an automatic clutch transmission, which relates to the technical field of gearboxes and comprises a main box assembly, wherein an idler shaft and a reverse gear idler are arranged at the lower end of the main box assembly, a main box rocker arm and a clutch rocker arm are arranged on the outer wall of the main box assembly, three groups of fork shaft assemblies are arranged on the upper side of an inner cavity of the main box assembly, the main box assembly comprises a clutch cover, a front shell and a rear shell.

Description

Automatic clutch transmission

Technical Field

The utility model relates to the technical field of gearboxes, in particular to an automatic clutch transmission.

Background

A transmission, also known as a gearbox, is a mechanism for changing rotational speed and torque from an engine that is capable of fixed or stepped changes in the output shaft and input shaft gear ratios. The speed variator consists of speed-changing driving mechanism and operating mechanism, and some automobiles also have power output mechanism. Most of the transmission mechanisms are driven by common gears, and other transmission mechanisms are driven by planetary gears. Common gear transmission speed change mechanisms generally use slipping gears, synchronizers and the like.

But among the prior art, manual gear transmission need step on the separation and reunion when shifting gears and shift, and operating comfort is poor, adopts AMT derailleur price high, and the economic nature is poor, and when normally going forward in addition, need step on the separation and reunion and realize shifting gears, and then need the multiple use clutch to can greatly reduced the life of clutch.

Disclosure of utility model

The utility model aims to solve the problems that the clutch needs to be trampled to realize gear shifting and then the clutch needs to be used for multiple times in the prior art, so that the service life of the clutch can be greatly reduced, and provides an automatic clutch transmission.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the automatic clutch transmission comprises a main box assembly, wherein an idler shaft and a reverse gear idler are arranged at the lower end of the main box assembly, a main box rocker arm and a clutch rocker arm are arranged on the outer wall of the main box assembly, three groups of fork shaft assemblies are arranged on the upper side of an inner cavity of the main box assembly, the main box assembly comprises a clutch cover, a front shell and a rear shell, a shaft assembly is arranged at the front end of the middle part of the inner cavity of the main box assembly, a two-shaft assembly is arranged at the rear end of the middle part of the inner cavity of the main box assembly, a middle shaft assembly is arranged at the lower part of the inner cavity of the main box assembly, an auxiliary box assembly is fixedly connected to one side of the main box assembly, a top cover assembly is arranged at the top of the auxiliary box assembly, the top cover assembly comprises an auxiliary box top cover, a clutch fork shaft, a clutch fork and a clutch pin shifting head are arranged on the upper side of the inner cavity of the auxiliary box top cover, and an auxiliary box rocker arm is arranged on the surface of the auxiliary box top cover;

The auxiliary box assembly comprises an auxiliary box rear shell and a two-shaft rear cover, a clutch hub is arranged in the middle of an inner cavity of the auxiliary box top cover, a clutch sleeve piece is arranged on the right side of the clutch hub, a clutch lock pin is arranged between the clutch hub and the clutch sleeve piece, and a clutch roller is arranged on one end surface of the two-shaft assembly.

Preferably, the two-shaft assembly comprises a two shaft, a three-gear assembly is arranged on the left end surface of the two shaft, a first-gear assembly is arranged in the middle of the two shaft, and a five-gear assembly is arranged on the right end surface of the two shaft.

Preferably, a three-gear and four-gear synchronizer is arranged on one side of the three-gear assembly, a two-gear assembly is arranged on the other side of the three-gear assembly, a needle roller race is arranged between the two-gear assembly and the three-gear assembly, and the needle roller race is sleeved on the surface of the two shafts.

Preferably, a two-gear synchronizer is arranged on one side of the first-gear assembly, and a reverse gear is arranged on the other side of the first-gear assembly.

Preferably, a five-reverse gear synchronizer is arranged on one side of the five-gear assembly, a first bearing is arranged on the other side of the five-reverse gear synchronizer, a same-tooth ring is arranged between the five-reverse gear synchronizer and the five-gear assembly, and the same-tooth ring is sleeved on the surface of the two shafts.

Preferably, the intermediate shaft assembly comprises an intermediate shaft, a normally-engaged gear is mounted on one end surface of the intermediate shaft, a middle five-gear is mounted on the other end surface of the intermediate shaft, a second bearing is mounted on one side of the normally-engaged gear, a middle three-gear is mounted on the other side of the normally-engaged gear, a third bearing is mounted on one side of the middle five-gear, and the intermediate shaft penetrates through the second bearing, the middle three-gear and the third bearing.

Preferably, an adjusting gasket is arranged between the normally-engaged gear and the second bearing.

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

1. According to the clutch mechanism, the clutch hub and the clutch sleeve rotate in the opposite direction, the clutch hub presses the clutch lock pin to roll towards the side with small clearance, at the moment, the pressure between the clutch hub and the clutch sleeve is gradually increased, in the process, the clutch roller is extruded when the clutch hub and the clutch sleeve rotate in the forward direction, and finally, when the torque capable of overcoming a load is increased, the torque transmission is realized, and further, the clutch is not stepped on any more to cut off power for gear shifting when gear shifting is carried out.

2. According to the utility model, the use of the clutch is reduced, the service life of the clutch is fully prolonged, and the unidirectional transmission torque function of the directional clutch can be used for realizing power cut-off when the throttle is released, so that the gear shifting function is realized.

Drawings

FIG. 1 is a schematic diagram showing an overall structure of an automatic clutch transmission according to the present utility model;

FIG. 2 is a schematic view showing a sectional structure of an automatic clutch transmission according to the present utility model;

FIG. 3 is a schematic diagram of a two-shaft assembly of an automatic clutch transmission according to the present utility model;

Fig. 4 is a schematic structural diagram of an intermediate shaft assembly of an automatic clutch transmission according to the present utility model.

Legend description: 1. a shaft assembly; 2. a two-axis assembly; 3. an intermediate shaft assembly; 4. an idler shaft; 5. a reverse idler; 6. a clutch hub; 7. a clutch lock pin; 8. a clutch sleeve; 9. a clutch fork shaft; 10. a clutch fork; 11. a clutch pin shifting head; 12. a fork shaft assembly; 13. a clutch roller; 14. a two-axis; 15. a three-four gear synchronizer; 16. a three-gear assembly; 17. needle roller race; 18. a second gear assembly; 19. a first gear synchronizer; 20. a gear assembly; 21. a reverse gear; 22. fifth reverse gear synchronizer; 23. a co-tooth ring; 24. a fifth gear assembly; 25. a first bearing; 26. a second bearing; 27. adjusting the gasket; 28. a constant gear; 29. a middle third gear; 30. an intermediate shaft; 31. a middle five-gear; 32. a bearing III; 33. a clutch cover; 34. a front housing; 35. a rear housing; 36. a secondary tank top cover; 37. a sub-tank rear housing; 38. a two-axis rear cover; 39. an auxiliary box rocker arm; 40. a main tank rocker arm; 41. and (5) a clutch rocker arm.

Detailed Description

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.

Example 1

As shown in fig. 1-2, the utility model provides an automatic clutch transmission, which comprises a main box assembly, wherein an idler shaft 4 and a reverse idler 5 are arranged at the lower end of the main box assembly, a main box rocker arm 40 and a clutch rocker arm 41 are arranged on the outer wall of the main box assembly, three groups of fork shaft assemblies 12 are arranged on the upper side of the inner cavity of the main box assembly, the main box assembly comprises a clutch cover 33, a front shell 34 and a rear shell 35, a shaft assembly 1 is arranged at the front end of the middle part of the inner cavity of the main box assembly, a two-shaft assembly 2 is arranged at the rear end of the middle part of the inner cavity of the main box assembly, a middle shaft assembly 3 is arranged at the lower part of the inner cavity of the main box assembly, an auxiliary box assembly is fixedly connected to one side of the main box assembly, a top cover assembly is arranged at the top cover assembly, the top cover assembly comprises an auxiliary box top cover 36, a clutch fork shaft 9, a clutch fork 10 and a clutch pin shifting head 11 are arranged on the upper side of the inner cavity of the auxiliary box top cover 36, and an auxiliary box rocker arm 39 is arranged on the surface of the auxiliary box top cover 36;

The auxiliary box assembly comprises an auxiliary box rear shell 37 and a two-shaft rear cover 38, a clutch hub 6 is arranged in the middle of the inner cavity of an auxiliary box top cover 36, a clutch sleeve piece 8 is arranged on the right side of the clutch hub 6, a clutch lock pin 7 is arranged between the clutch hub 6 and the clutch sleeve piece 8, and a clutch roller 13 is arranged on one end surface of the two-shaft assembly 2.

The following specifically explains the specific arrangement and action of the present embodiment, and drives the clutch pin shifting head 11 to shift the clutch fork 10 through the auxiliary box rocker arm 39 to realize automatic clutch locking, thereby realizing gear locking during reverse gear and long downhill, and preventing the risk of neutral gear sliding.

When the automobile automatically moves forward, the clutch hub 6 and the clutch sleeve 8 rotate reversely, the clutch hub 6 presses the clutch lock pin 7 to roll towards the side with small clearance, the pressure between the clutch hub 6 and the clutch sleeve 8 is gradually increased, and when the torque capable of overcoming the load is increased, the torque transmission is realized. In the process, the clutch roller 13 is pressed during the forward transmission with the clutch hub 6 and the clutch sleeve 8.

Example two

As shown in fig. 3 and 4, the two-shaft assembly 2 includes a two-shaft 14, a three-gear assembly 16 is mounted on the left end surface of the two-shaft 14, a one-gear assembly 20 is mounted in the middle of the two-shaft 14, and a five-gear assembly 24 is mounted on the right end surface of the two-shaft 14. A three-gear and four-gear synchronizer 15 is arranged on one side of the three-gear assembly 16, a two-gear assembly 18 is arranged on the other side of the three-gear assembly 16, a needle roller race 17 is arranged between the two-gear assembly 18 and the three-gear assembly 16, and the needle roller race 17 is sleeved on the surface of the two shafts 14. A first gear synchronizer 19 is mounted on one side of the first gear 20, and a reverse gear 21 is mounted on the other side of the first gear 20. A five-reverse gear synchronizer 22 is arranged on one side of the five-gear assembly 24, a first bearing 25 is arranged on the other side of the five-reverse gear synchronizer 22, a same-tooth ring 23 is arranged between the five-reverse gear synchronizer 22 and the five-gear assembly 24, and the same-tooth ring 23 is sleeved on the surface of the two shafts 14.

The intermediate shaft assembly 3 comprises an intermediate shaft 30, a normal gear 28 is arranged on one end surface of the intermediate shaft 30, a middle five-gear 31 is arranged on the other end surface of the intermediate shaft 30, a second bearing 26 is arranged on one side of the normal gear 28, a middle three-gear 29 is arranged on the other side of the normal gear 28, a third bearing 32 is arranged on one side of the middle five-gear 31, and the intermediate shaft 30 penetrates through the second bearing 26, the middle three-gear 29 and the third bearing 32. An adjusting gasket 27 is arranged between the normal gear 28 and the second bearing 26.

The whole embodiment achieves the effects that in the driving process, a shaft assembly 1 is driven, then a normally-engaged gear 28 is driven to rotate, then the normally-engaged gear 28 drives an intermediate shaft 30 to rotate, then one of a first-gear assembly, a second-gear assembly, a third-fourth-gear synchronizer and a middle-fifth-gear is driven by the intermediate shaft 30 to operate according to the driving gear of the automobile, and a support is driven by a synchronous tooth to further selectively drive one of the third-fourth-gear synchronizer, the fifth-reverse-gear synchronizer 22 and a first-gear synchronizer to operate, and then a second shaft 14, a clutch hub 6, a clutch roller 13 and a clutch sleeve 8 are sequentially driven to operate.

The application method and the working principle of the device are as follows: during running, the normal gear 28 is driven to rotate by the rotation of the shaft assembly 1, and then the intermediate shaft 30 is driven to rotate;

If the vehicle is in first gear, the intermediate shaft 30 is utilized to drive the first gear assembly 20 to rotate, so that the same toothed ring 23 is rotated, and the first gear synchronizer 19 is driven to rotate, so that the second shaft 14 will also start rotating, and then the clutch hub 6 will be driven to start operating, and the clutch roller 13 will also be driven to synchronously move, and finally the clutch sleeve 8 is utilized to complete the operation.

When the gear is shifted to the second gear, the intermediate shaft 30 does not drive the first gear assembly 20 to rotate any more on the premise of the first gear, and the intermediate shaft 30 is utilized to shift and drive the second gear assembly to rotate so as to finish the running of the automobile in the second gear.

When shifting to third gear, the first gear engagement element 20, the second gear engagement element and the first gear synchronizer 19 are no longer operated when traveling in first gear or second gear. At this time, the intermediate shaft 30 is utilized to drive the middle third gear 29 to rotate, and then the third gear assembly rotates, so that the same toothed ring 23 is driven to rotate, and the third and fourth gear synchronizer 15 is further driven to rotate, and then the second shaft 14 starts to rotate in the same way, and drives the clutch hub 6, the clutch roller 13 and the clutch sleeve 8 to sequentially operate.

When the gear is shifted to the fourth gear, the intermediate shaft 30 and the constant gear 28 are not moved any more, at this time, the same toothed ring 23 is directly driven to rotate by the first shaft assembly 1, the three-fourth gear synchronizer 15 also operates together, and then the second shaft 14 starts to rotate similarly and drives the clutch hub 6, the clutch roller 13 and the clutch sleeve 8 to operate sequentially.

When shifting to the fifth gear, on the basis of the first gear, the intermediate shaft 30 is utilized to drive the middle fifth gear 31 to rotate, the fifth gear assembly 24 is also driven to rotate together, the support is driven to rotate together with the toothed ring 23, thereby driving the fifth reverse gear synchronizer 22 to rotate, and then the two shafts 14 are likewise rotated, and the clutch hub 6, the clutch roller 13 and the clutch sleeve 8 are driven to sequentially operate.

When the gear is switched to the reverse gear, the intermediate shaft 30 is switched to drive the reverse gear idler wheel 5, the reverse gear 21 and the five reverse gear synchronizer 22 to rotate sequentially, and then the five reverse gear synchronizer 22 drives the two shafts 14, the clutch hub 6, the clutch roller 13 and the clutch sleeve 8 to rotate sequentially.

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. The utility model provides an automatic clutch transmission, includes the main tank assembly, idler shaft (4) and reverse gear idler (5) are installed to main tank assembly lower extreme, just main tank assembly outer wall installs main tank rocking arm (40) and separation and reunion rocking arm (41), three fork shaft assemblies (12) of group, its characterized in that are installed to main tank assembly inner chamber upside: the main box assembly comprises a clutch cover (33), a front shell (34) and a rear shell (35), a shaft assembly (1) is arranged at the front end of the middle part of an inner cavity of the main box assembly, a two-shaft assembly (2) is arranged at the rear end of the middle part of the inner cavity of the main box assembly, a middle shaft assembly (3) is arranged at the lower part of the inner cavity of the main box assembly, one side of the main box assembly is fixedly connected with an auxiliary box assembly, a top cover assembly is arranged at the top of the auxiliary box assembly, the top cover assembly comprises an auxiliary box top cover (36), a clutch fork shaft (9), a clutch fork (10) and a clutch pin shifting head (11) are arranged at the upper side of the inner cavity of the auxiliary box top cover (36), and an auxiliary box rocker arm (39) is arranged on the surface of the auxiliary box top cover (36);

The auxiliary box assembly comprises an auxiliary box rear shell (37) and a two-shaft rear cover (38), a clutch hub (6) is mounted in the middle of an inner cavity of an auxiliary box top cover (36), a clutch sleeve piece (8) is mounted on the right side of the clutch hub (6), a clutch lock pin (7) is mounted between the clutch hub (6) and the clutch sleeve piece (8), and a clutch roller (13) is mounted on one end surface of the two-shaft assembly (2).

2. An automatic clutch transmission according to claim 1, wherein: the two-shaft assembly (2) comprises a two shaft (14), a three-gear assembly (16) is arranged on the left end surface of the two shaft (14), a one-gear assembly (20) is arranged in the middle of the two shaft (14), and a five-gear assembly (24) is arranged on the right end surface of the two shaft (14).

3. An automatic clutch transmission according to claim 2, wherein: the three-gear and four-gear synchronizer is arranged on one side of the three-gear assembly (16), the two-gear assembly (18) is arranged on the other side of the three-gear assembly (16), a needle roller race (17) is arranged between the two-gear assembly (18) and the three-gear assembly (16), and the needle roller race (17) is sleeved on the surface of the two shafts (14).

4. An automatic clutch transmission according to claim 2, wherein: a two-gear synchronizer (19) is arranged on one side of the first-gear assembly (20), and a reverse gear (21) is arranged on the other side of the first-gear assembly (20).

5. An automatic clutch transmission according to claim 2, wherein: five reverse gear synchronizer (22) are installed to five fender gear assembly (24) one side, just five reverse gear synchronizer (22) opposite side installs bearing (25) No. one, install with ring gear (23) between five reverse gear synchronizer (22) and five fender gear assembly (24), with ring gear (23) cup joint at biaxial (14) surface.

6. An automatic clutch transmission according to claim 1, wherein: the intermediate shaft assembly (3) comprises an intermediate shaft (30), a normally-closed gear (28) is mounted on one end surface of the intermediate shaft (30), a medium-five gear (31) is mounted on the other end surface of the intermediate shaft (30), a second bearing (26) is mounted on one side of the normally-closed gear (28), a medium-three gear (29) is mounted on the other side of the normally-closed gear (28), a third bearing (32) is mounted on one side of the medium-five gear (31), and the intermediate shaft (30) penetrates through the second bearing (26), the medium-three gear (29) and the third bearing (32).

7. An automatic clutch transmission according to claim 6, wherein: an adjusting gasket (27) is arranged between the normally-engaged gear (28) and the second bearing (26).