CN212318683U

CN212318683U - Reverse gear mechanism of automobile transmission

Info

Publication number: CN212318683U
Application number: CN202020598032.7U
Authority: CN
Inventors: 殷薛龙; 李瑞锋; 黄帆
Original assignee: Xiangyang Jiangkai Automobile Speed Changer Co ltd
Current assignee: Xiangyang Jiangkai Automobile Speed Changer Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-01-08
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses an automotive transmission mechanism of reversing gear, including input shaft, output shaft, the gear shaft and intermediate shaft of reversing gear, the left side fixedly connected with input shaft gear of reversing gear on input shaft surface, the left side fixedly connected with of the gear shaft surface of reversing gear and the input shaft gear engaged with idle gear that reverses gear, the right side fixedly connected with gear that reverses gear shaft surface reverses gear, the utility model relates to a reverse gear technical field. This automotive transmission mechanism of reversing gear, there is sealed lid through one side of the idle gear that reverses gear and the equal swing joint in one side of the gear that reverses gear, and the equal threaded connection in both sides on sealed lid surface has the bolt, the bolt runs through sealed lid and the inside that reverses gear and extend to the gear that reverses gear in proper order near the one end of sealed lid, is convenient for lubricate between the gear to the meshing mutually, and easy operation is convenient, reduces the wearing and tearing of gear, noise abatement's production has prolonged the life of the mechanism that reverses gear.

Description

Reverse gear mechanism of automobile transmission

Technical Field

The utility model relates to a reverse gear technical field specifically is an automotive transmission reverse gear mechanism.

Background

The automobile speed changer is a speed change device for coordinating the rotating speed of an engine and the actual running speed of wheels, is used for exerting the optimal performance of the engine, can generate different gear ratios between the engine and the wheels in the running process of the automobile, can enable the engine to work in the optimal power performance state through gear shifting, has the development trend of more and more complex and higher automation degree, is a future mainstream of an automatic speed changer, has very high output rotating speed of the engine, has the maximum power and the maximum torque in a certain rotating speed region, and needs to be provided with a speed change device for coordinating the rotating speed of the engine and the actual running speed of the wheels in order to exert the optimal performance of the engine.

At present at the in-process that uses the automotive transmission mechanism of reversing gear, the long-time meshing operation leads to wearing and tearing easily between the gear of reversing gear, and current mechanism of reversing gear is not convenient for lubricate the gear, and the operation is inconvenient, uses the life who shortens the gear for a long time, produces great noise easily.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an automobile transmission mechanism of reversing gear has solved current mechanism of reversing gear and has not been convenient for lubricate the gear, and the operation is inconvenient, uses the life who shortens the gear for a long time, produces the problem of great noise easily.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a reverse gear mechanism of an automobile transmission comprises an input shaft, an output shaft, a reverse gear shaft and an intermediate shaft, wherein the left side of the surface of the input shaft is fixedly connected with an input shaft reverse gear, the left side of the surface of the reverse gear shaft is fixedly connected with a reverse idle gear meshed with the input shaft reverse gear, the right side of the surface of the reverse gear shaft is fixedly connected with a reverse gear, one side of the reverse idle gear and one side of the reverse gear are movably connected with a sealing cover, bolts are in threaded connection with the two sides of the surface of the sealing cover, one ends, close to the sealing covers, of the bolts sequentially penetrate through the sealing covers and the reverse gear and extend to the inside of the reverse gear, one side of the reverse idle gear and one side of the reverse gear are respectively provided with a mounting groove matched with the sealing cover, the top of the inner wall of the mounting groove is movably connected with a piston, one side, far away from the inner wall of the mounting, the mounting groove is kept away from one side of reversing gear axle and has been seted up first through-hole, the mounting groove is close to one side of reversing gear axle and has been seted up the second through-hole.

Preferably, one side of the sealing cover, which is far away from the piston, is fixedly connected with a handle, and the right side of the surface of the input shaft, which is positioned on the reverse gear of the input shaft, is fixedly connected with a two-gear of the input shaft.

Preferably, the surface of the input shaft and the right side of the second gear of the input shaft are fixedly connected with a fifth gear of the input shaft, and the surface of the input shaft and the right side of the fifth gear of the input shaft are fixedly connected with a fifth gear synchronizer.

Preferably, an input shaft three-gear is fixedly connected to the surface of the input shaft and located on the right side of the five-gear synchronizer, and a three-fourth-gear synchronizer is fixedly connected to the surface of the input shaft and located on the right side of the input shaft three-gear.

Preferably, an output shaft transmission gear is fixedly connected to the surface of the output shaft and located on the right side of the three-fourth gear synchronizer, a reverse gear synchronizer is fixedly connected to the surface of the reverse gear shaft and located between the right side of the reverse idle gear and the left side of the reverse gear, and an intermediate shaft first gear is fixedly connected to the left side of the surface of the intermediate shaft.

Preferably, the surface of the intermediate shaft and the right side of the first gear of the intermediate shaft are fixedly connected with a first gear synchronizer and a second gear synchronizer, the surface of the intermediate shaft and the right side of the second gear synchronizer are fixedly connected with a second gear of the intermediate shaft, and the surface of the intermediate shaft and the right side of the second gear of the intermediate shaft are fixedly connected with a reverse gear of the intermediate shaft meshed with the reverse gear.

Preferably, the surface of the intermediate shaft and the right side of the reverse gear of the intermediate shaft are fixedly connected with an intermediate shaft five-gear, the surface of the intermediate shaft and the right side of the reverse gear of the intermediate shaft are fixedly connected with an intermediate shaft three-gear, and the surface of the intermediate shaft and the right side of the reverse gear of the intermediate shaft are fixedly connected with an intermediate shaft transmission gear.

Advantageous effects

The utility model provides an automotive transmission mechanism of backing a gear. Compared with the prior art, the method has the following beneficial effects:

(1) the automobile transmission reverse gear mechanism is characterized in that a sealing cover is movably connected with one side of a reverse gear idle gear and one side of the reverse gear, bolts are connected with two sides of the surface of the sealing cover in a threaded manner, one end of each bolt, which is close to the sealing cover, sequentially penetrates through the sealing cover and the reverse gear and extends into the reverse gear, mounting grooves matched with the sealing covers are formed in one side of the reverse gear idle gear and one side of the reverse gear, a piston is movably connected to the top of the inner wall of each mounting groove, one side of the piston, which is far away from the inner wall of each mounting groove, is fixedly connected with one side of each sealing cover, which is close to the reverse gear, a first through hole is formed in one side of each mounting groove, which is far away from a reverse gear shaft, a second through hole is formed in one side of each mounting groove, which, the service life of the reverse gear mechanism is prolonged.

(2) This automotive transmission mechanism of backing a gear, fixedly connected with synchronizer of backing a gear between the right side that just is located reverse gear idle gear through the surface of the gear shaft of backing a gear and the left side of the gear of backing a gear, the setting of synchronizer of backing a gear for the input shaft can be rapidly in step with the speed of rotation of the gear of backing a gear, the impact force to the gear production when reducing the gear of backing a gear, the life of extension gear.

Drawings

FIG. 1 is a front view of the structure of the present invention;

fig. 2 is a perspective view of the reverse gear structure of the present invention;

fig. 3 is a sectional view of the reverse gear structure of the present invention.

In the figure: 1 input shaft, 2 output shafts, 3 reverse gear shafts, 4 intermediate shafts, 5 input shaft reverse gear, 6 reverse idle gear, 7 reverse gear, 8 sealing covers, 9 bolts, 10 mounting grooves, 11 pistons, 12 first through holes, 13 second through holes, 14 handles, 15 input shaft second gear, 16 input shaft fifth gear, 17 fifth gear synchronizer, 18 input shaft third gear, 19 third and fourth gear synchronizer, 20 output shaft transmission gear, 21 reverse gear synchronizer, 22 intermediate shaft first gear, 23 second gear synchronizer, 24 intermediate shaft second gear, 25 intermediate shaft reverse gear, 26 intermediate shaft fifth gear, 27 intermediate shaft third gear and 28 intermediate shaft transmission 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.

Referring to fig. 1-3, the present invention provides a technical solution: a reverse gear mechanism of an automobile transmission comprises an input shaft 1, an output shaft 2, a reverse gear shaft 3 and an intermediate shaft 4, wherein the reverse gear mechanism is well known by the technical personnel in the field, the surface of the intermediate shaft 4 and the right side of a reverse gear 25 of the intermediate shaft are fixedly connected with an intermediate shaft five-gear 26, the surface of the intermediate shaft 4 and the right side of the intermediate shaft five-gear 26 are fixedly connected with an intermediate shaft three-gear 27, the surface of the intermediate shaft 4 and the right side of the intermediate shaft three-gear 27 are fixedly connected with an intermediate shaft transmission gear 28, the surface of the intermediate shaft 4 and the right side of a first gear 22 of the intermediate shaft are fixedly connected with a first gear synchronizer 23, the surface of the intermediate shaft 4 and the right side of the first gear synchronizer 23 are fixedly connected with an intermediate shaft two-gear 24, the surface of the intermediate shaft 4 and the right side of the intermediate shaft two-gear 24 are fixedly connected with an intermediate, an output shaft transmission gear 20 is fixedly connected to the surface of the output shaft 2 and positioned on the right side of the three-four gear synchronizer 19, a reverse gear synchronizer 21 is fixedly connected to the surface of the reverse gear shaft 3 and positioned between the right side of the reverse idle gear 6 and the left side of the reverse gear 7, the reverse gear synchronizer 21 is arranged to enable the input shaft 1 to rapidly achieve synchronization with the rotating speed of the reverse gear 7, the impact force on the gear during reverse gear is reduced, the service life of the gear is prolonged, an intermediate shaft first gear 22 is fixedly connected to the left side of the surface of the intermediate shaft 4, an input shaft third gear 18 is fixedly connected to the surface of the input shaft 1 and positioned on the right side of the five gear synchronizer 17, the three-four gear synchronizer 19 is fixedly connected to the surface of the input shaft 1 and positioned on the right side of the input shaft third gear 18, an input shaft fifth gear 16 is fixedly connected to the surface of the input shaft 1 and positioned on the right, the surface of the input shaft 1 and the right side of the input shaft five-gear 16 are fixedly connected with a five-gear synchronizer 17, the left side of the surface of the input shaft 1 is fixedly connected with an input shaft reverse gear 5, the left side of the surface of a reverse gear shaft 3 is fixedly connected with a reverse idle gear 6 meshed with the input shaft reverse gear 5, the right side of the surface of the reverse gear shaft 3 is fixedly connected with a reverse gear 7, one side of the reverse idle gear 6 and one side of the reverse gear 7 are both movably connected with a sealing cover 8, the mounting groove 10 is sealed through the sealing cover 8, one side of the sealing cover 8 far away from the piston 11 is fixedly connected with a handle 14, the piston 11 is convenient to be pulled out through the arrangement of the handle 14, the right side of the surface of the input shaft 1 and the input shaft reverse gear 75 is fixedly connected with an input shaft two-gear 15, and both sides of the surface of the sealing cover, through the arrangement of the bolt 9, the sealing cover 8 is convenient to fix, one end of the bolt 9 close to the sealing cover 8 sequentially penetrates through the sealing cover 8 and the reverse gear 7 and extends to the inside of the reverse gear 7, one side of the reverse idle gear 6 and one side of the reverse gear 7 are both provided with mounting grooves 10 matched with the sealing cover 8, a lubricating mechanism on the reverse idle gear 6 is the same as the arrangement on the reverse gear 7, the number of the mounting grooves 10 is three and is uniformly distributed on the surface of the reverse gear 7, a piston 11 is movably connected to the top of the inner wall of the mounting groove 10, the sealing performance of the mounting groove 10 is better through the arrangement of the piston 11, one side of the piston 11 far away from the inner wall of the mounting groove 10 is fixedly connected with one side of the sealing cover 8 close to the reverse gear 7, one side of the mounting groove 10 far away from the reverse gear shaft 3 is provided with a first through hole 12, the, a second through hole 13 is formed in one side, close to the reverse gear shaft 3, of the mounting groove 10, and the second through hole 13 lubricates the inner surface of the gear.

When the lubricating grease lubricating device is used, the input shaft 1 rotates forwards, so that the reverse gear 5 of the input shaft rotates forwards, the reverse gear idle gear 6 and the reverse gear synchronizer 21 rotate reversely, so that the reverse gear shaft 3 rotates reversely, the reverse gear 7 on the reverse gear shaft 3 rotates reversely, so that the reverse gear 25 of the intermediate shaft rotates forwards, so that the intermediate shaft 4 rotates forwards, the intermediate shaft transmission gear 28 also rotates forwards, the intermediate shaft transmission gear 28 drives the output shaft transmission gear 20 to rotate reversely, so that the output shaft 2 rotates reversely, in the process of operating the reverse gear 7 and the reverse gear idle gear 6, lubricating grease placed in the mounting groove 10 flows to the outer surfaces of the reverse gear 7 and the reverse gear idle gear 6 through the first through holes 12 at high temperature, and is lubricated between gears meshed with the reverse gear 7 and the reverse gear idle gear 6, while the inner surfaces of the reverse gear wheel 7 and the reverse idler gear wheel 6 are lubricated through the second through hole 13, the grease can be placed in the mounting groove 10 by screwing the bolt 9 out of the gear wheel and the sealing cover 8, holding the handle 14 and pulling out the piston 11 in the mounting groove 10.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automotive transmission mechanism of backing a gear, includes input shaft (1), output shaft (2), reverse gear axle (3) and countershaft (4), the left side fixedly connected with input shaft reverse gear (5) on input shaft (1) surface, its characterized in that: reverse gear shaft (3) surperficial left side fixedly connected with and input shaft reverse gear wheel (5) engaged with reverse gear idle gear (6), reverse gear shaft (3) surperficial right side fixedly connected with reverse gear wheel (7), one side of reversing gear idle gear (6) and the equal swing joint in one side of reverse gear wheel (7) have sealed lid (8), and the equal threaded connection in both sides on sealed lid (8) surface has bolt (9), the one end that bolt (9) are close to sealed lid (8) runs through sealed lid (8) and reverse gear wheel (7) in proper order and extends to the inside of reverse gear wheel (7), one side of reverse gear idle gear wheel (6) and one side of reverse gear wheel (7) all set up mounting groove (10) with sealed lid (8) looks adaptation, and the top swing joint of mounting groove (10) inner wall has piston (11), one side that mounting groove (10) inner wall was kept away from to piston (11) is close to reverse gear wheel (8) with sealed lid (8) and is close to (7) The reverse gear mounting structure is characterized in that one side of the mounting groove (10) is fixedly connected, one side of the mounting groove (10) far away from the reverse gear shaft (3) is provided with a first through hole (12), and one side of the mounting groove (10) close to the reverse gear shaft (3) is provided with a second through hole (13).

2. The automotive transmission reverse gear mechanism according to claim 1, characterized in that: one side of the sealing cover (8) far away from the piston (11) is fixedly connected with a handle (14), and the right side of the surface of the input shaft (1) and the input shaft reverse gear (5) is fixedly connected with an input shaft secondary gear (15).

3. The automotive transmission reverse gear mechanism according to claim 2, characterized in that: the surface of the input shaft (1) and the right side of the input shaft second gear (15) are fixedly connected with an input shaft fifth gear (16), and the surface of the input shaft (1) and the right side of the input shaft fifth gear (16) are fixedly connected with a fifth gear synchronizer (17).

4. The automotive transmission reverse gear mechanism according to claim 3, characterized in that: the surface of the input shaft (1) and the right side of the five-gear synchronizer (17) are fixedly connected with an input shaft three-gear (18), and the surface of the input shaft (1) and the right side of the input shaft three-gear (18) are fixedly connected with a three-four-gear synchronizer (19).

5. The automotive transmission reverse gear mechanism according to claim 4, characterized in that: the surface of the output shaft (2) is fixedly connected with an output shaft transmission gear (20) on the right side of the three-four gear synchronizer (19), the surface of the reverse gear shaft (3) is fixedly connected with a reverse gear synchronizer (21) between the right side of the reverse idle gear (6) and the left side of the reverse gear (7), and the left side of the surface of the intermediate shaft (4) is fixedly connected with an intermediate shaft first gear (22).

6. The automotive transmission reverse gear mechanism according to claim 5, characterized in that: the utility model discloses a gear shifting device, including jackshaft (4), countershaft first gear (22) and countershaft second gear (24), the right side fixedly connected with one of jackshaft first gear (22) on the surface of jackshaft (4) just is located the jackshaft second gear (23), the right side fixedly connected with jackshaft second gear (24) that the surface of jackshaft (4) just is located jackshaft second gear (24) reverses gear (25) that the right side fixedly connected with of jackshaft second gear (24) meshed with reverse gear (7).

7. The automotive transmission reverse gear mechanism according to claim 6, characterized in that: the surface of jackshaft (4) just is located the right side fixedly connected with jackshaft five-gear (26) of jackshaft reverse gear (25), the surface of jackshaft (4) just is located the right side fixedly connected with jackshaft three-gear (27) of jackshaft five-gear (26), the surface of jackshaft (4) just is located the right side fixedly connected with jackshaft drive gear (28) of jackshaft three-gear (27).