CN111746708A - Motorcycle rear drive transmission system and motorcycle - Google Patents
Motorcycle rear drive transmission system and motorcycle Download PDFInfo
- Publication number
- CN111746708A CN111746708A CN202010756768.7A CN202010756768A CN111746708A CN 111746708 A CN111746708 A CN 111746708A CN 202010756768 A CN202010756768 A CN 202010756768A CN 111746708 A CN111746708 A CN 111746708A
- Authority
- CN
- China
- Prior art keywords
- wheel
- motorcycle
- driving wheel
- transmission system
- rear drive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M9/02—Transmissions characterised by use of an endless chain, belt, or the like of unchangeable ratio
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
- B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K25/00—Axle suspensions
- B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
- B62K25/28—Axle suspensions for mounting axles resiliently on cycle frame or fork with pivoted chain-stay
- B62K25/283—Axle suspensions for mounting axles resiliently on cycle frame or fork with pivoted chain-stay for cycles without a pedal crank, e.g. motorcycles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
A rear driving transmission system of a motorcycle relates to the technical field of motorcycles and comprises a driving wheel, a center wheel and a driven wheel, wherein the center wheel comprises a driving wheel A and a driving wheel B which are coaxially arranged; a motorcycle is provided with a rear drive transmission system of the motorcycle. The invention provides a rear drive transmission system of a motorcycle and the motorcycle, which overcome the technical limitation of the traditional chain transmission by redesigning the transmission system of the motorcycle, can ensure that the motorcycle still keeps the stability of the transmission system when in high-speed violent movement, and can effectively avoid the occurrence of dangerous accidents.
Description
Technical Field
The invention relates to the technical field of motorcycles, in particular to a rear drive transmission system of a motorcycle and the motorcycle.
Background
The current motorcycle rear drive transmission mode mainly adopts chain transmission, and solves the driving problem of the motorcycle through the chain transmission between the output shaft of the engine and the rear wheel shaft.
In addition to the characteristics of simple and light chain transmission structure, low cost and easy maintenance, the design of the prior art has another important reason that the rear fork of the motorcycle provided with the driving wheel can vibrate in violent movement, and the chain can give a certain margin when the tightness is adjusted, so that the motorcycle rear fork can adapt to the vibration of the rear fork, and the transmission between an engine and the rear wheel is maintained.
However, the existing motorcycle chain transmission system shows more and more technical limitations along with the continuous development of the industry, and is specifically represented as follows:
with the increasing demands of motorcycles and high-end electric motorcycles in large-displacement travel, off-road, competition and the like, the traditional chain transmission is difficult to adapt to the requirements of severe vibration of the motorcycles, particularly, when the motorcycles move at high speed, the vibration amplitude of a rear fork is increased, when three points of a central shaft of the rear fork, a rear wheel shaft and the center of a small wheel driven by an engine are in a line, the center distance between a chain wheel of the engine and the chain wheel of the rear wheel reaches the maximum, and at the moment, the risk of sudden breakage of the chain is easily caused. If when the chain is installed, the excessive allowance of the tightness of the chain is reserved, the dangers that a speedometer sensor fails, a chain wheel of the chain is abraded, the chain is separated from the chain wheel and the like can be caused.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a rear drive transmission system of a motorcycle and the motorcycle, which overcome the technical limitation of the traditional chain transmission by redesigning the transmission system of the motorcycle, can still keep the stability of the transmission system when the motorcycle is in high-speed violent movement, and can effectively avoid dangerous accidents.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a rear drive transmission system of a motorcycle comprises a driving wheel, a center wheel and a driven wheel, wherein the center wheel comprises a driving wheel A and a driving wheel B which are coaxially arranged, opposite surfaces of the driving wheel A and the driving wheel B are fixedly connected, the driving wheel is in transmission connection with the driving wheel B, the driving wheel A is in transmission connection with the driven wheel, the driving wheel is detachably and fixedly connected with an output shaft of a motor or an engine, the driven wheel is detachably and fixedly connected with a rear wheel shaft of the motorcycle, and the center wheel is rotatably connected with a rear fork rotation center shaft through a bearing.
Preferably, the outer diameter of the driving wheel is smaller than that of the central wheel, and the outer diameter of the central wheel is smaller than that of the driven wheel.
Preferably, one end of the rear fork rotation center shaft extends outward, and a bearing is mounted on the extended rear fork center shaft.
Preferably, the driving wheel, the central wheel and the driven wheel are chain wheels.
Preferably, the number of teeth of the chain wheel is 12-72.
Preferably, the driving wheel, the central wheel and the driven wheel are belt pulleys.
Preferably, the driving wheel and the driving wheel B, and the driving wheel A and the driven wheel are respectively in transmission connection through toothed belts.
Preferably, the driving wheel is in transmission connection with the transmission wheel B in a meshing manner.
Preferably, the motorcycle is provided with the motorcycle rear drive transmission system.
The invention discloses a rear drive transmission system of a motorcycle and the motorcycle, which have the following beneficial effects:
(1) the central wheel is arranged on the rotation central shaft of the rear fork, primary transmission is changed into secondary transmission, the central distances between the driving wheel and the central wheel and between the central wheel and the driven wheel are respectively unchanged, the chain transmission is stable in stress, and the hidden trouble that the chain is suddenly broken due to the increase of the central distance is eliminated.
(2) The invention can change the transmission ratio by adjusting the tooth number of the central wheel, the driving wheel and the driven wheel, and improve the efficiency, the smoothness and the durable service life of chain transmission.
(3) The invention can not only select the roller chain, the sleeve chain and the tooth-shaped chain to carry out chain transmission, but also select the tooth-shaped belt to carry out belt pulley transmission, and can also mesh and transmit the driving wheel and the transmission wheel B, and realize various selectable transmission modes through the arrangement of the central wheel, thereby improving the wear resistance, the fatigue resistance and the stability of transmission, reducing the transmission noise and realizing silent transmission.
Drawings
FIG. 1: a front view schematic of a motorcycle rear drive transmission system in one embodiment of the invention;
FIG. 2: an elevational longitudinal cross-sectional structural schematic view of a motorcycle rear drive transmission system in one embodiment of the invention;
FIG. 3: the invention discloses a schematic structural diagram of a top view of a matching relationship of a driving wheel A and a driving wheel B;
1: driving wheel, 2: primary transmission chain or belt, 3: center wheel, 4: secondary transmission chain or belt, 5: driven wheel, 6: bearing, 7: rear fork rotation center shaft, 3-1: a driving wheel A, 3-2: a transmission wheel B.
Detailed Description
In the following, embodiments of the present invention are described in detail in a stepwise manner, which is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only used for describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, the present invention is not to be construed as being limited thereto.
As shown in fig. 1 and 2, in one embodiment, the rear drive transmission system of the motorcycle of the present invention comprises a driving wheel 1, a center wheel 3 and a driven wheel 5, wherein the center wheel 3 comprises a driving wheel A3-1 and a driving wheel B3-2 which are coaxially arranged, opposite surfaces of the driving wheel A3-1 and the driving wheel B3-2 are fixedly connected, the driving wheel 1 is in transmission connection with the driving wheel B3-2, the driving wheel A3-1 is in transmission connection with the driven wheel 5, the driving wheel 1 is detachably and fixedly connected with an output shaft of a motor or an engine, the driven wheel 5 is detachably and fixedly connected with a rear wheel shaft of the motorcycle, and the center wheel 3 is rotatably connected with a rear fork rotation center shaft 7 through a bearing 6; the motor or the engine is arranged on the main body frame of the motorcycle, so the driving wheel 1 and the central wheel 3 connected with the motor or the engine have a constant central distance, in addition, the central wheel 3 is arranged on the rear fork rotation central shaft 7, so the central wheel 3 and the driven wheel 5 also have a constant central distance, and in the high-speed violent movement of the motorcycle, the central distance is constant, so the structure of a transmission system is stable, and the danger of violent damage of transmission due to the vibration of the rear fork can not occur.
In a further embodiment, the external diameter of the driving wheel 1 is smaller than the external diameter of the central wheel 3, and the external diameter of the central wheel 3 is smaller than the external diameter of the driven wheel 5.
In a further embodiment, one end of the rear fork rotation center shaft 7 extends outward, and a bearing is mounted on the extended rear fork center shaft.
In a further embodiment, the driving wheel 1, the central wheel 3 and the driven wheel 5 are chain wheels; as shown in fig. 1 and 2, since the center distance is constant, the risk of chain breakage can be avoided when the chain is driven by a chain.
In a further embodiment, the number of the chain wheel teeth is 12.
In a further embodiment, unlike the previous embodiment, the number of teeth of the sprocket is 72 teeth.
In a further embodiment, the driving wheel 1, the central wheel 3 and the driven wheel 5 are pulleys.
In a further embodiment, the driving wheel 1 and the driving wheel B, and the driving wheel A and the driven wheel 5 are respectively in transmission connection through toothed belts; the invention realizes a simple transmission mode of the belt pulley of the motorcycle through technical improvement, can reduce the vibration in the noise making and transmission processes compared with a chain wheel, and has the advantages of simple structure, stable operation and easy adjustment.
In a further embodiment, the driving wheel 1 is in transmission connection with the transmission wheel B in a meshing manner; through the meshing transmission, have the transmission precision height, transmission efficiency is high, reliable operation, long service life's advantage.
In a further embodiment, a motorcycle is provided with the motorcycle rear drive transmission system.
Claims (9)
1. A motorcycle rear drive transmission system characterized by: the motorcycle rear wheel comprises a driving wheel, a center wheel and a driven wheel, wherein the center wheel comprises a driving wheel A and a driving wheel B which are coaxially arranged, opposite surfaces of the driving wheel A and the driving wheel B are fixedly connected, the driving wheel is in transmission connection with the driving wheel B, the driving wheel A is in transmission connection with the driven wheel, the driving wheel is detachably and fixedly connected with an output shaft of a motor or an engine, the driven wheel is detachably and fixedly connected with a motorcycle rear wheel shaft, and the center wheel is rotatably connected with a rear fork rotation center shaft through a bearing.
2. A motorcycle rear drive transmission system as claimed in claim 1, wherein: the outer diameter of the driving wheel is smaller than that of the central wheel, and the outer diameter of the central wheel is smaller than that of the driven wheel.
3. A motorcycle rear drive transmission system as claimed in claim 1, wherein: one end of the rear fork rotation central shaft extends outwards, and a bearing is arranged on the extended rear fork central shaft.
4. A motorcycle rear drive transmission system as claimed in claim 1, wherein: the driving wheel, the central wheel and the driven wheel are chain wheels.
5. A motorcycle rear drive transmission system as claimed in claim 4, wherein: the number of teeth of the chain wheel is 12-72 teeth.
6. A motorcycle rear drive transmission system as claimed in claim 1, wherein: the driving wheel, the central wheel and the driven wheel are belt pulleys.
7. A motorcycle rear drive transmission system as claimed in claim 6, wherein: the driving wheel and the driving wheel B as well as the driving wheel A and the driven wheel are respectively in transmission connection through a toothed belt.
8. A motorcycle rear drive transmission system as claimed in claim 1, wherein: the driving wheel is in transmission connection with the transmission wheel B in a meshing manner.
9. A motorcycle comprising a motorcycle rear drive transmission system as claimed in any one of claims 1 to 8, wherein: the motorcycle is provided with the motorcycle rear drive transmission system.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010756768.7A CN111746708A (en) | 2020-07-31 | 2020-07-31 | Motorcycle rear drive transmission system and motorcycle |
| DE112021000145.0T DE112021000145T5 (en) | 2020-07-31 | 2021-02-08 | Rear drive transmission system of a motorcycle and motorcycle |
| PCT/CN2021/075978 WO2022021836A1 (en) | 2020-07-31 | 2021-02-08 | Motorcycle rear drive transmission system and motorcycle |
| BR102021020610-1A BR102021020610A2 (en) | 2020-07-31 | 2021-10-14 | REAR TRANSMISSION SYSTEM FOR MOTORCYCLE AND MOTORCYCLE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010756768.7A CN111746708A (en) | 2020-07-31 | 2020-07-31 | Motorcycle rear drive transmission system and motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111746708A true CN111746708A (en) | 2020-10-09 |
Family
ID=72712669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010756768.7A Pending CN111746708A (en) | 2020-07-31 | 2020-07-31 | Motorcycle rear drive transmission system and motorcycle |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN111746708A (en) |
| BR (1) | BR102021020610A2 (en) |
| DE (1) | DE112021000145T5 (en) |
| WO (1) | WO2022021836A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610664A (en) * | 2020-11-25 | 2021-04-06 | 青岛征和工业股份有限公司 | Motorcycle rear drive transmission is with silence drive chain system and motorcycle |
| WO2022021836A1 (en) * | 2020-07-31 | 2022-02-03 | 青岛征和工业股份有限公司 | Motorcycle rear drive transmission system and motorcycle |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5078658A (en) * | 1990-08-16 | 1992-01-07 | Legg Charles W | Friction drive mechanism |
| CN203926648U (en) * | 2014-06-20 | 2014-11-05 | 苍南县龙港康亿电子有限公司 | Transmission device |
| CN206668884U (en) * | 2017-03-30 | 2017-11-24 | 项炜鑫 | A kind of novel transmission mechanism |
| CN108662097A (en) * | 2018-07-27 | 2018-10-16 | 合肥研新离合器有限公司 | A kind of pair expels clutch |
| CN209977167U (en) * | 2019-06-03 | 2020-01-21 | 长春继鑫农业装备有限公司 | V-belt and chain combined power transmission device |
| CN111746708A (en) * | 2020-07-31 | 2020-10-09 | 青岛征和工业股份有限公司 | Motorcycle rear drive transmission system and motorcycle |
| CN212423370U (en) * | 2020-07-31 | 2021-01-29 | 青岛征和工业股份有限公司 | Motorcycle rear drive transmission system and motorcycle |
-
2020
- 2020-07-31 CN CN202010756768.7A patent/CN111746708A/en active Pending
-
2021
- 2021-02-08 WO PCT/CN2021/075978 patent/WO2022021836A1/en active Application Filing
- 2021-02-08 DE DE112021000145.0T patent/DE112021000145T5/en active Pending
- 2021-10-14 BR BR102021020610-1A patent/BR102021020610A2/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022021836A1 (en) * | 2020-07-31 | 2022-02-03 | 青岛征和工业股份有限公司 | Motorcycle rear drive transmission system and motorcycle |
| CN112610664A (en) * | 2020-11-25 | 2021-04-06 | 青岛征和工业股份有限公司 | Motorcycle rear drive transmission is with silence drive chain system and motorcycle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022021836A1 (en) | 2022-02-03 |
| BR102021020610A2 (en) | 2022-08-16 |
| DE112021000145T5 (en) | 2022-07-21 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination |