CN220595122U - Transmission structure, transmission and vehicle - Google Patents
Transmission structure, transmission and vehicle Download PDFInfo
- Publication number
- CN220595122U CN220595122U CN202322404707.6U CN202322404707U CN220595122U CN 220595122 U CN220595122 U CN 220595122U CN 202322404707 U CN202322404707 U CN 202322404707U CN 220595122 U CN220595122 U CN 220595122U
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- transmission
- shaft
- bottom fork
- fork
- output shaft
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 126
- 230000007704 transition Effects 0.000 claims description 3
- 238000000275 quality assurance Methods 0.000 abstract description 3
- 238000013016 damping Methods 0.000 description 13
- 238000005457 optimization Methods 0.000 description 5
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a transmission structure of a speed changer, the speed changer and a vehicle, which comprise a speed changer shell, wherein a driving shaft, a transmission main shaft and a transmission output shaft used for being in transmission connection with a rear wheel shaft are arranged in the shell, the driving shaft is in transmission connection with the transmission main shaft, and the transmission main shaft is in transmission connection with the transmission output shaft; still include the bottom fork structure, the bottom fork structure is including the left bottom fork and the right bottom fork of relative setting, all is equipped with first connecting hole in the one end of left bottom fork and right bottom fork, and left bottom fork and right bottom fork are established on transmission output shaft through this first connecting hole rotatable cover, and the other end all is equipped with the second connecting hole, and left bottom fork and right bottom fork can be established on the rear axle through this second connecting hole rotatable cover. The utility model has simple and compact structure, small volume, good running stability, better riding comfort and mobility and easier quality assurance.
Description
Technical Field
The utility model relates to the technical field of speed changers, in particular to a speed changer transmission structure, a speed changer and a vehicle.
Background
In the existing motorcycle speed changer, the wheel shaft for installing wheels is integrated with the speed changer into a whole, so that the wheel base between a transmission main shaft for conveying transmission force to the wheel shaft and a driving shaft for outputting power is larger, thereby the occupied volume of the whole speed changer is larger, meanwhile, the wheels are directly installed on the wheel shaft, the whole speed changer and the wheels are borne by damping springs for supporting the wheel shaft, the pressure of the damping springs is increased, the damping performance is poor, and riding comfort and mobility are poor.
In order to reduce the wheelbase between the transmission main shaft and the driving shaft, the wheel shafts are generally connected through a bottom fork structure in the prior art, however, in the existing transmission adopting the bottom fork structure, the transmission main shaft and the transmission output shaft are coaxially installed, the bottom fork structure is respectively connected with the transmission main shaft and the transmission output shaft, so that the coaxiality of the bottom fork structure is difficult to ensure, and meanwhile, the coaxially installed transmission main shaft and the transmission output shaft lead to longer bottom fork radial arms of the bottom fork structure, the strength of the bottom fork radial arms is difficult to ensure, and the running stability of the bottom fork structure is poor.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to solve the technical problems that: the transmission structure solves the problems of large volume, large damping spring pressure, poor stability of a bottom fork structure, riding comfort and poor mobility caused by large wheelbase of a transmission in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the transmission structure of the speed changer comprises a speed changer shell, wherein a driving shaft, a transmission main shaft and a transmission output shaft used for being in transmission connection with a rear wheel shaft are arranged in the shell, the driving shaft is in transmission connection with the transmission main shaft, and the transmission main shaft is in transmission connection with the transmission output shaft; still include the bottom fork structure, the bottom fork structure is including the left bottom fork and the right bottom fork of relative setting, all is equipped with first connecting hole in the one end of left bottom fork and right bottom fork, and left bottom fork and right bottom fork are established on transmission output shaft through this first connecting hole rotatable cover, and the other end all is equipped with the second connecting hole, and left bottom fork and right bottom fork can be established on the rear axle through this second connecting hole rotatable cover.
As optimization, a driving belt pulley is arranged on the driving shaft, a driven belt pulley is arranged on the transmission main shaft, and the driving belt pulley is in transmission connection with the driven belt pulley through a belt.
As optimization, the driving shaft is a crankshaft, and correspondingly, a balance shaft is arranged on one side of the driving shaft in parallel, and the balance shaft is connected with the driving shaft through gear transmission.
As an optimization, a transmission auxiliary shaft is arranged between the transmission main shaft and the transmission output shaft, and the transmission auxiliary shaft is respectively connected with the transmission main shaft and the transmission output shaft in a transmission way through gears.
Preferably, a chain wheel or a belt pulley is arranged on the transmission output shaft and is used for being in transmission connection with the rear wheel shaft through belt transmission or chain transmission.
As optimization, the driving shaft, the transmission main shaft, the transmission output shaft and the rear wheel shaft are mutually parallel.
As optimization, the left bottom fork and the right bottom fork are of plate-shaped structures and comprise a front fork plate and a rear fork plate which are parallel to each other, and the front fork plate and the rear fork plate are in transition through a bevel web plate, so that the left bottom fork and the right bottom fork are integrally Z-shaped.
Preferably, the second connecting hole is a bar hole.
Based on the transmission structure, the utility model further provides a transmission, which comprises the transmission structure.
Based on the transmission, the utility model further provides a vehicle, and the transmission is mounted on the vehicle.
Compared with the prior art, the application has the following beneficial effects:
the utility model reduces the wheel base between the driving shaft and the transmission main shaft by adopting the bottom fork structure, thereby reducing the whole volume of the speed changer, and the left bottom fork and the right bottom fork of the bottom fork structure are arranged on one transmission output shaft, thereby well ensuring the coaxiality and improving the stability. Meanwhile, the wheel axle is independent of the speed changer through the bottom fork structure, so that the pressure of the damping spring for supporting the wheel axle is reduced, the damping performance of the damping spring is improved, and riding comfort and mobility are improved. The utility model has simple and compact structure, small volume, good running stability, better riding comfort and mobility and easier quality assurance.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
in the figure, a driving shaft 1, a transmission main shaft 2, a transmission output shaft 3, a left bottom fork 4, a right bottom fork 5, a second connecting hole 6, a driving belt pulley 7, a driven belt pulley 8, a balance shaft 9, a transmission auxiliary shaft 10 and a chain wheel 11.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The specific implementation method comprises the following steps: with reference to figure 1 of the drawings,
the utility model provides a derailleur transmission structure, includes derailleur casing (not shown), is equipped with mutually parallel driving shaft 1, transmission main shaft 2 and is used for the transmission output shaft 3 of being connected with the rear axle transmission in the casing, all installs in the casing through the bearing, driving shaft 1 is connected with transmission main shaft 2 transmission, and transmission main shaft 2 is connected with transmission output shaft 3 transmission. In this embodiment, the main shaft is a crankshaft, and is connected to a piston of the engine through a piston rod, and provides rotational power for the driving shaft 1 through movement of the piston. Correspondingly, a balance shaft 9 is arranged on one side of the driving shaft 1 in parallel, the balance shaft 9 is connected with the driving shaft 1 through gear transmission, an eccentric counterweight is arranged on the balance shaft 9, and vibration of the transmission is balanced during rotation. A driving belt pulley 8 is arranged on the driving shaft 1, a driven belt pulley is arranged on the driving main shaft 2, and the driving belt pulley 8 is in transmission connection with the driven belt pulley through a belt. A transmission auxiliary shaft 10 is arranged between the transmission main shaft 2 and the transmission output shaft 3, and the transmission auxiliary shaft 10 is respectively connected with the transmission main shaft 2 and the transmission output shaft 3 in a transmission way through gears. The transmission output shaft 3 is provided with a sprocket 11 or a belt pulley for driving connection with the rear wheel axle by belt transmission or chain transmission.
Still include the bottom fork structure, the bottom fork structure is including the left bottom fork 4 and the right bottom fork 5 of relative setting, wherein, left side bottom fork 4 and right bottom fork 5 are platelike structure, all include preceding fork board and the back fork board that is parallel to each other, pass through the oblique web transition between preceding fork board and the back fork board, make left side bottom fork 4 and right bottom fork 5 wholly be the Z shape to the bulk strength and the rigidity of bottom fork structure have been improved. One end (on the front fork plate) of the left bottom fork 4 and the right bottom fork 5 are respectively provided with a first connecting hole, the left bottom fork 4 and the right bottom fork 5 are rotatably sleeved on the transmission output shaft 3 through the first connecting holes, the other end (on the rear fork plate) is respectively provided with a second connecting hole 6, the left bottom fork 4 and the right bottom fork 5 can be rotatably sleeved on the rear wheel shaft through the second connecting holes 6, and the second connecting holes 6 are strip-shaped holes so as to adjust the installation position.
In this way, the bottom fork structure is adopted to connect with the wheel axle, so that the wheel base between the transmission output shaft 3 and the wheel axle is increased, the wheel base between the transmission shaft and the driving shaft 1 is reduced, in the embodiment, the wheel base is 172.5mm, the traditional wheel base is generally about 260mm, the structure is more compact, and the whole size of the transmission is greatly reduced. Meanwhile, the left bottom fork 4 and the right bottom fork 5 of the bottom fork structure are arranged on the same transmission output shaft 3, the coaxiality of the left bottom fork 4 and the right bottom fork is easier to ensure, so that the stability is improved, the two ends of the bottom fork structure are rotatably connected, the damping springs under the wheel shafts only need to bear the weight of the wheels and the bottom fork, the stress is greatly reduced, the service life of the damping springs is prolonged, the damping performance is improved, and riding comfort and mobility are better.
Based on the transmission structure, the utility model further provides a transmission, which comprises the transmission structure.
Based on the transmission, the utility model further provides a vehicle, and the transmission is mounted on the vehicle.
The utility model reduces the wheel base between the driving shaft and the transmission main shaft by adopting the bottom fork structure, thereby reducing the whole volume of the speed changer, and the left bottom fork and the right bottom fork of the bottom fork structure are arranged on one transmission output shaft, thereby well ensuring the coaxiality and improving the stability. Meanwhile, the wheel axle is independent of the speed changer through the bottom fork structure, so that the pressure of the damping spring for supporting the wheel axle is reduced, the damping performance of the damping spring is improved, and riding comfort and mobility are improved. The utility model has simple and compact structure, small volume, good running stability, better riding comfort and mobility and easier quality assurance.
While embodiments of the present utility model have been shown and described, it will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents, and thus the embodiments of the utility model are to be considered illustrative of the utility model and not limited in any way.
Claims (10)
1. The transmission structure of the speed changer comprises a speed changer shell, wherein a driving shaft, a transmission main shaft and a transmission output shaft used for being in transmission connection with a rear wheel shaft are arranged in the shell, the driving shaft is in transmission connection with the transmission main shaft, and the transmission main shaft is in transmission connection with the transmission output shaft; the novel chain wheel is characterized by further comprising a bottom fork structure, wherein the bottom fork structure comprises a left bottom fork and a right bottom fork which are oppositely arranged, one ends of the left bottom fork and the right bottom fork are respectively provided with a first connecting hole, the left bottom fork and the right bottom fork are rotatably sleeved on a transmission output shaft through the first connecting holes, the other ends of the left bottom fork and the right bottom fork are respectively provided with a second connecting hole, and the left bottom fork and the right bottom fork can be rotatably sleeved on a rear wheel shaft through the second connecting holes.
2. A transmission structure according to claim 1, wherein a driving pulley is provided on the driving shaft, and a driven pulley is provided on the driving shaft, the driving pulley being in belt transmission connection with the driven pulley.
3. The transmission structure according to claim 1, wherein the driving shaft is a crankshaft, and a balance shaft is arranged in parallel on one side of the driving shaft correspondingly, and the balance shaft is connected with the driving shaft through gear transmission.
4. A transmission arrangement according to claim 1, characterized in that a transmission auxiliary shaft is arranged between the transmission main shaft and the transmission output shaft, said transmission auxiliary shaft being in transmission connection with the transmission main shaft and the transmission output shaft, respectively, via gears.
5. A variator transmission as claimed in claim 1, wherein the drive output shaft is provided with a sprocket or pulley for driving connection with the rear wheel axle by means of a belt or chain drive.
6. A variator transmission as claimed in claim 1, wherein the drive shaft, the drive main shaft, the drive output shaft and the rear axle are parallel to one another.
7. The transmission structure of claim 1, wherein the left and right bottom forks are plate-like structures, each comprising a front fork plate and a rear fork plate parallel to each other, and the front fork plate and the rear fork plate are in transition through a sloping web so that the left and right bottom forks are integrally Z-shaped.
8. A variator transmission as claimed in claim 1, wherein the second connection aperture is a bar aperture.
9. A transmission comprising a transmission gearing structure according to any one of claims 1-8.
10. A vehicle, characterized in that the transmission according to claim 9 is mounted on the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322404707.6U CN220595122U (en) | 2023-09-05 | 2023-09-05 | Transmission structure, transmission and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322404707.6U CN220595122U (en) | 2023-09-05 | 2023-09-05 | Transmission structure, transmission and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220595122U true CN220595122U (en) | 2024-03-15 |
Family
ID=90166579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322404707.6U Active CN220595122U (en) | 2023-09-05 | 2023-09-05 | Transmission structure, transmission and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220595122U (en) |
-
2023
- 2023-09-05 CN CN202322404707.6U patent/CN220595122U/en active Active
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