CN220302668U - Buffer transmission structure and motorcycle - Google Patents
Buffer transmission structure and motorcycle Download PDFInfo
- Publication number
- CN220302668U CN220302668U CN202322073256.2U CN202322073256U CN220302668U CN 220302668 U CN220302668 U CN 220302668U CN 202322073256 U CN202322073256 U CN 202322073256U CN 220302668 U CN220302668 U CN 220302668U
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- transmission shaft
- transmission
- buffer
- seat
- thrust
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 126
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Structure Of Transmissions (AREA)
Abstract
The utility model provides a buffer transmission structure, which comprises a speed changer structure and a reverse gear structure, wherein the speed changer structure comprises a first transmission shaft and a second transmission shaft which are parallel to each other, the reverse gear structure comprises a third transmission shaft, a fourth transmission shaft and a fifth transmission shaft which are parallel to each other, and the second transmission shaft is in transmission connection with the third transmission shaft through the buffer transmission structure. The utility model also provides a motorcycle, which comprises a buffer transmission structure. According to the buffer transmission structure, due to the buffer structure, the rigid collision among the gears is avoided to damage the gears due to the existence of the thrust spring, so that the damage of the gears is reduced, and the service life of the gears is prolonged. Meanwhile, the motorcycle provided by the utility model further comprises the buffer transmission structure, so that the service life of the motorcycle is prolonged, and the maintenance and replacement cost of an engine is greatly reduced.
Description
Technical Field
The utility model relates to the technical field of engines, in particular to a buffer transmission structure and a motorcycle.
Background
The engine is the core device for providing driving force for motor vehicles, and the transmission structure of the engine is generally composed of a crankshaft and a series of rotating shafts, wherein each rotating shaft is transmitted through a transmission gear, and finally momentum is transmitted to a tire.
In the current buffer transmission structure of three-wheel or four-wheel motorcycles, in order to make power transmission smoother and reduce power transmission loss, a transmission structure for outputting in a direction perpendicular to a rear axle shaft is presented. However, when the vehicle descends, the vehicle is braked by the reverse towing of the engine, but because the strength of the engine is smaller, when the vehicle suddenly stops or stalls, the braking of the rear wheel and the reverse thrust generated by the weight of the vehicle can be transmitted to other transmission gears through the rear wheel, so that abrasion among the gears and poor engagement are caused, and meanwhile, the gears are easy to damage due to rigid collision, so that the service life of the engine is shortened, and the maintenance and replacement cost of the engine is greatly increased.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides a buffer transmission structure and a motorcycle, which are used for solving the technical problems that in the related art, when a vehicle descends, the vehicle is braked by reverse towing of an engine, but because the strength of the engine is small, when the vehicle suddenly stops or stalls, the braking of a rear wheel and the reverse thrust generated by the weight of the vehicle are transmitted to other transmission gears through the rear wheel, so that abrasion among the gears is caused, poor engagement is caused, and meanwhile, the gears are easy to damage due to rigid collision, so that the service life of the engine is shortened, and the maintenance and replacement cost of the engine is greatly increased.
The utility model provides a buffer transmission structure, which comprises:
the transmission structure comprises a first transmission shaft and a second transmission shaft which are parallel to each other, the reverse gear structure comprises a third transmission shaft, a fourth transmission shaft and a fifth transmission shaft which are parallel to each other, and the second transmission shaft is in transmission connection with the third transmission shaft through a buffer structure.
Further, the buffer transmission structure comprises a thrust seat sleeved on the second transmission shaft and a transmission gear connected with the thrust seat in a plugging mode, the transmission gear is in transmission connection with transmission teeth on the third transmission shaft, one end of the thrust seat, which is far away from the transmission gear, is provided with a fixed seat at intervals, the fixed seat is sleeved on the second transmission shaft, and a thrust spring is arranged between the thrust seat and the fixed seat.
Further, the thrust seat is far away from one end of the fixed seat and is protruded with a plurality of mounting blocks, the transmission gear comprises a mounting part, and a mounting groove matched with the mounting blocks is formed in the mounting part.
Further, the mounting blocks are distributed at intervals along the circumferential direction of the thrust seat, and the mounting grooves are distributed at intervals along the circumferential direction of the mounting portion.
Further, a protruding portion is arranged at one end of the second transmission shaft, the thrust seat is provided with a through hole, and a concave portion matched with the protruding portion is arranged in the through hole.
Further, the number of the concave parts is multiple, the concave parts are uniformly distributed in the through holes, and the number of the convex parts corresponds to the number of the concave parts.
Further, the plurality of protruding parts are uniformly distributed on the outer peripheral surface of the second transmission shaft.
Further, one end of the second transmission shaft is provided with a limiting structure, the limiting structure comprises a screw fixedly connected with one end of the second transmission shaft, a gasket is sleeved on the screw, and the gasket is fixed at one end of the second transmission shaft through a nut.
The utility model also provides a motorcycle comprising the buffer transmission structure.
Further, the motorcycle further comprises a crank connecting rod structure, and the crank connecting rod structure is in transmission connection with the transmission structure.
Compared with the prior art, the utility model has the following beneficial effects:
according to the buffer transmission structure, due to the buffer structure, the rigid collision among the gears is avoided to damage the gears due to the existence of the thrust spring, so that the damage of the gears is reduced, and the service life of the gears is prolonged. Meanwhile, the motorcycle provided by the utility model further comprises the buffer transmission structure, so that the service life of the motorcycle is prolonged, and the maintenance and replacement cost of an engine is greatly reduced.
Drawings
FIG. 1 is a schematic diagram of a buffer transmission structure according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a thrust bearing according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a transmission gear according to an embodiment of the present utility model;
fig. 4 is a schematic structural view of a second transmission shaft according to an embodiment of the utility model.
Reference numerals illustrate:
the transmission structure 1, the first transmission shaft 11, the second transmission shaft 12, the protruding part 121, the reverse gear structure 2, the third transmission shaft 21, the fourth transmission shaft 22, the fifth transmission shaft 23, the buffer structure 3, the thrust seat 31, the mounting block 311, the recessed part 312, the transmission gear 32, the mounting part 321, the mounting groove 322, the fixing seat 33, the thrust spring 34, the limit structure 4, the screw 41, the gasket 42 and the nut 43.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present utility model more apparent, the technical solutions of the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be noted that, the structures, proportions, sizes, etc. shown in the drawings attached to the present utility model are merely used in conjunction with the disclosure of the present utility model, and are not intended to limit the applicable limitations of the present utility model, so that any modification of the structures, variation of the proportions, or adjustment of the sizes, without affecting the efficacy and achievement of the present utility model, should fall within the scope of the disclosure of the present utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
Example 1
As shown in fig. 1-4, an embodiment of the present utility model provides a buffer transmission structure, including a transmission structure 1 and a reverse gear structure 2, where the transmission structure 1 includes a first transmission shaft 11 and a second transmission shaft 12 that are parallel to each other, the reverse gear structure 2 includes a third transmission shaft 21, a fourth transmission shaft 22 and a fifth transmission shaft 23 that are parallel to each other, the second transmission shaft 12 is in transmission connection with the third transmission shaft 21 through the buffer structure 3, the buffer transmission structure 3 includes a thrust seat 31 sleeved on the second transmission shaft 12 and a transmission gear 32 connected with the thrust seat 31 in a plugging manner, one end of the thrust seat 31 away from the transmission gear 32 is provided with a fixed seat 33 at intervals, the fixed seat 33 is sleeved on the second transmission shaft 12, a thrust spring 34 is disposed between the thrust seat 31 and the fixed seat 33, and the thrust seat 31 is given by the thrust spring 34, so that the second transmission shaft is tightly connected with the transmission gear 32, and the transmission gear 32 is better meshed with the gear 32 on the third transmission shaft 21, and the buffer transmission structure is prevented from being damaged due to the impact of the buffer transmission structure when the reverse gear is well and the buffer transmission structure is damaged.
In this embodiment, the end of the thrust seat 31 away from the fixed seat 33 is protruded with a plurality of mounting blocks 311, and the number of the mounting blocks may be three, four, five, etc.; the mounting blocks 311 are distributed along the circumferential direction of the thrust seat 31 at intervals, the transmission gear 32 comprises a mounting portion 321, mounting grooves 322 matched with the mounting blocks 311 are formed in the mounting portion 321, the number of the mounting grooves 322 corresponds to the number of the mounting blocks 311, the mounting grooves 322 are distributed along the circumferential direction of the mounting portion 321 at intervals, the thrust seat 31 and the transmission gear 32 are connected through the cooperation of the mounting blocks 311 and the mounting grooves 322, and the number of the mounting blocks 311 and the number of the mounting grooves 322 are all set on the premise of ensuring the connection strength of the mounting blocks.
After the thrust spring 34 is compressed to a certain extent, the contact between the thrust seat 31 and the fixed seat 33 limits further compression of the thrust seat, so that the thrust spring 34 is protected; more importantly, the distance between the thrust seat 31 and the fixed seat 33 is smaller than the axial length of the mounting block 311, so that complete separation between the thrust seat 31 and the transmission gear 32 can be avoided, and the reliability of integral transmission is improved.
In this embodiment, a protruding portion 121 is provided at one end of the second transmission shaft 12, the thrust seat 31 has a through hole, and a recess portion 312 matched with the protruding portion 121 is provided in the through hole, where the number of the recess portion 312 is plural, and the number may be three, four, five, or the like; the plurality of concave portions 312 are uniformly distributed in the through hole, the number of the convex portions 121 corresponds to the number of the concave portions 312, the plurality of convex portions 121 are uniformly distributed on the outer peripheral surface of the second transmission shaft 12, and the concave portions 312 and the convex portions 121 can be in clearance or spline fit, so that the thrust seat 31 can move along the axial direction of the second transmission shaft 12.
Based on the above further improvement, in this embodiment, a limit structure 4 is disposed at one end of the second transmission shaft 12, and the limit structure 4 can prevent the thrust seat 31 from falling off when moving on the second transmission shaft 12, so that it can stably move on the protruding portion 121 on the second transmission shaft 12; the limit structure 4 comprises a screw 41 fixedly connected with one end of the second transmission shaft 12, a gasket 42 is sleeved on the screw 41, the gasket 42 is fixed on one end of the second transmission shaft 12 through a nut 43, and when the thrust seat 31 moves on the speed change auxiliary shaft due to the arrangement of the gasket 42, the thrust seat 31 is blocked by the gasket 42, so that the thrust seat 31 cannot move backwards continuously, and the purpose of buffering is achieved.
Based on the above further improvement, in this embodiment, a cushion pad is disposed between the thrust spring 34 and the thrust seat 31, and the cushion pad can absorb a certain thrust force, so as to achieve the effect of buffering and damping.
Based on the above further improvement, in this embodiment, a bearing may be sleeved at the connection between the thrust bearing 31 and the transmission gear 32. The arrangement of the bearing enhances the radial stability and reduces the resistance to rotation.
Example 2
An embodiment of the present utility model provides a motorcycle comprising the buffer gear structure of embodiment 1, further comprising a crank-link structure in driving connection with the transmission structure.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (10)
1. The utility model provides a buffer drive structure, includes derailleur structure and reverse gear structure, the derailleur structure includes first transmission shaft and the second transmission shaft that is parallel to each other, reverse gear structure includes the third transmission shaft, fourth transmission shaft and the fifth transmission shaft that are parallel to each other, its characterized in that, the second transmission shaft through buffer structure with the third transmission shaft transmission is connected.
2. The buffer transmission structure according to claim 1, wherein the buffer structure comprises a thrust seat sleeved on the second transmission shaft and a transmission gear in plug connection with the thrust seat, the transmission gear is in transmission connection with transmission teeth on the third transmission shaft, a fixed seat is arranged at one end, far away from the transmission gear, of the thrust seat at intervals, the fixed seat is sleeved on the second transmission shaft, and a thrust spring is arranged between the thrust seat and the fixed seat.
3. The buffer gear structure of claim 2, wherein a plurality of mounting blocks are protruded at one end of the thrust seat far away from the fixing seat, the transmission gear comprises a mounting portion, and a mounting groove matched with the mounting blocks is formed in the mounting portion.
4. A buffer gear structure as claimed in claim 3, wherein the mounting blocks are spaced apart in a circumferential direction of the thrust seat and the mounting slots are spaced apart in a circumferential direction of the mounting portion.
5. The buffer gear structure of claim 2, wherein one end of the second transmission shaft is provided with a protruding portion, the thrust seat is provided with a through hole, and a concave portion matched with the protruding portion is arranged in the through hole.
6. The buffer gear structure of claim 5, wherein the number of the concave portions is plural, the plural concave portions are uniformly distributed in the through hole, and the number of the convex portions corresponds to the number of the concave portions.
7. The buffer gear structure of claim 6, wherein the plurality of protrusions are uniformly distributed on the outer circumferential surface of the second transmission shaft.
8. The buffer gear structure of any one of claims 1-7, wherein one end of the second transmission shaft is provided with a limit structure, the limit structure comprises a screw fixedly connected with one end of the second transmission shaft, and a gasket is sleeved on the screw and fixed on one end of the second transmission shaft through a nut.
9. A motorcycle comprising a buffer gear structure as claimed in any one of claims 1 to 8.
10. A motorcycle as claimed in claim 9 further comprising a crank and connecting rod structure in driving connection with the transmission structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322073256.2U CN220302668U (en) | 2023-08-02 | 2023-08-02 | Buffer transmission structure and motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322073256.2U CN220302668U (en) | 2023-08-02 | 2023-08-02 | Buffer transmission structure and motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220302668U true CN220302668U (en) | 2024-01-05 |
Family
ID=89376498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322073256.2U Active CN220302668U (en) | 2023-08-02 | 2023-08-02 | Buffer transmission structure and motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220302668U (en) |
-
2023
- 2023-08-02 CN CN202322073256.2U patent/CN220302668U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |