CN215590940U - Power-assisted bicycle with torsion limiting coupler - Google Patents
Power-assisted bicycle with torsion limiting coupler Download PDFInfo
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- CN215590940U CN215590940U CN202121528018.0U CN202121528018U CN215590940U CN 215590940 U CN215590940 U CN 215590940U CN 202121528018 U CN202121528018 U CN 202121528018U CN 215590940 U CN215590940 U CN 215590940U
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- overrunning clutch
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- torque limiter
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Abstract
The utility model relates to a power-assisted bicycle with a torque limiting coupling, which comprises: frame, axis mechanism, manpower are trampled drive wheel, motor, torsion restriction shaft coupling, rear axle drive wheel, derailleur input drive wheel, derailleur output drive wheel and automatic gearbox, automatic gearbox is equipped with power input spare and power take off spare, derailleur input drive wheel passes through input wheel freewheel clutch with automatic gearbox's power input spare and is connected, derailleur output drive wheel and automatic gearbox's power take off spare fixed connection, the manpower is trampled between drive wheel and the derailleur input drive wheel and is connected through first driving piece, be connected through the second driving piece between derailleur output drive wheel and the rear axle drive wheel, torsion restriction shaft coupling includes: the overrunning clutch comprises an overrunning clutch body and a torque limiter, wherein the torque limiter comprises a torque limiter positioning piece and a torque limiter connecting piece, so that the efficiency of the motor can be improved.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the field of bicycles, in particular to a power-assisted bicycle with a torque limiting coupling.
[ background of the utility model ]
A power-assisted bicycle belongs to a bicycle, takes a battery as an auxiliary power source, is provided with a motor, is provided with a power auxiliary system, and can realize a novel vehicle integrating manual riding and motor power assisting.
In the prior art, the motor of the electric power-assisted bicycle has larger power, low efficiency and short endurance time. Therefore, in order to solve the technical problem, the industry thinks of using the torque protector, and the lower motor of power can be selected after using the torque protector, thereby realizing the overload protection of the motor, but the torque protector increases and then makes the structure of the whole moped become complicated, increases the manufacturing cost, and is installed more complexly.
Accordingly, there is a need for a power assisted bicycle with a torque limiting coupling.
[ Utility model ] content
In order to solve the problems, the utility model aims to provide a power-assisted bicycle with a torque limiting coupling, which is simple in structure and convenient to mount.
In order to achieve the purpose, the utility model adopts the technical scheme that: a power assisted bicycle with a torque limiting coupling, comprising: the manual treading transmission wheel is arranged on the middle shaft mechanism, the motor is fixedly connected with the frame, the rear wheel shaft is connected with the frame in a damping or fixed mode, the automatic transmission is arranged on the frame and is provided with a power input part and a power output part, the transmission input transmission wheel is connected with the power input part of the automatic transmission through an input wheel overrunning clutch, the transmission output transmission wheel is fixedly connected with the power output part of the automatic transmission, the manual treading transmission wheel is connected with the transmission input transmission wheel through a first transmission part, and the transmission output transmission wheel is connected with the rear wheel shaft transmission wheel through a second transmission part, the torque limiting coupling includes: the overrunning clutch comprises an overrunning clutch pawl frame, an overrunning clutch pawl and an overrunning clutch ratchet wheel, the torque limiter comprises a torque limiter positioning piece and a torque limiter connecting piece, the overrunning clutch pawl is arranged on the overrunning clutch pawl frame, one of the overrunning clutch pawl frame and the torque limiter positioning piece is arranged on an output shaft of the motor, the other of the overrunning clutch pawl frame and the torque limiter positioning piece is arranged on a power input piece of the automatic transmission, and the torque limiter connecting piece is fixedly connected with the overrunning clutch ratchet wheel.
Preferably, the power-assisted bicycle with the torque-limiting coupling of the present invention is further configured as follows: the middle shaft mechanism comprises a middle shaft and a middle shaft sleeve, the middle shaft sleeve is fixedly connected with the frame, the middle shaft is arranged in the middle shaft sleeve, the middle shaft and the middle shaft sleeve are connected through a bearing, and the manpower treading transmission wheel is fixedly connected with the middle shaft.
Preferably, the power-assisted bicycle with the torque-limiting coupling of the present invention is further configured as follows: the rear wheel shaft driving wheel, the manpower treading driving wheel, the speed changer input driving wheel and the speed changer output driving wheel are chain wheels.
Preferably, the power-assisted bicycle with the torque-limiting coupling of the present invention is further configured as follows: the rear wheel shaft driving wheel is a step pulley.
Preferably, the power-assisted bicycle with the torque-limiting coupling of the present invention is further configured as follows: the motor is a speed reducing motor.
Preferably, the power-assisted bicycle with the torque-limiting coupling of the present invention is further configured as follows: the torque limiter is a friction plate type torque limiter.
Compared with the prior art, the utility model has the following beneficial effects: the utility model adopts the structure of the motor and the automatic transmission, when the vehicle is started or climbs, the automatic transmission is in a low gear, so that the motor with lower power can be selected, in addition, a torsion limiting coupling is arranged between the motor and the automatic transmission, when the vehicle runs in overload, a torsion limiter can slip, the motor is protected, and the efficiency of the motor can be improved.
[ description of the drawings ]
Fig. 1 is a front view schematically illustrating a power assisted bicycle according to the present invention.
Fig. 2 is a schematic top view of the power assisted bicycle of the present invention.
Fig. 3 is a schematic sectional view of the torque limiting coupling of the present invention.
In fig. 1 to 3: 1. the frame, 2, a middle axle mechanism, 3, a manual treading transmission wheel, 30, a first transmission piece, 4, a motor, 5, a torque limiting coupling, 50, an overrunning clutch, 500, an overrunning clutch pawl frame, 501, an overrunning clutch pawl, 502, an overrunning clutch ratchet wheel, 51, a torque limiter, 510, a torque limiter positioning piece, 511, a torque limiter connecting piece, 6, a rear axle, 7, a rear axle transmission wheel, 8, a transmission input transmission wheel, 9, a transmission output transmission wheel, 90, a second transmission piece, 10 and an automatic transmission.
[ detailed description ] embodiments
A power assisted bicycle with a torque limiting coupling according to the present invention will be described in further detail with reference to the following embodiments.
Referring to fig. 1 to 3, a power assisted bicycle with a torque limiting coupling includes: the bicycle comprises a frame 1, a middle shaft mechanism 2, a manual treading driving wheel 3, a motor 4, a torque limiting coupling 5, a rear wheel shaft 6, a rear wheel shaft driving wheel 7, a transmission input driving wheel 8, a transmission output driving wheel 9 and an automatic transmission 10, wherein the middle shaft mechanism 2 comprises a middle shaft and a middle shaft sleeve, the middle shaft sleeve is fixedly connected with the frame 1, the middle shaft is arranged in the middle shaft sleeve, the middle shaft sleeve and the middle shaft sleeve are connected through a bearing, the manual treading driving wheel 3 is fixedly connected with the middle shaft, the motor 4 is fixedly connected with the frame 1, and the rear wheel shaft 6 is connected with the frame 1 in a damping mode or in a fixed mode. In this embodiment, the motor 4 is a speed reduction motor, the rear axle transmission wheel 7, the manual tread transmission wheel 3, the transmission input transmission wheel 8 and the transmission output transmission wheel 9 are all chain wheels, and the rear axle transmission wheel 7 is a step wheel.
The automatic transmission 10 is arranged on the frame 1, the automatic transmission 10 is provided with a power input part (not shown) and a power output part (not shown), the transmission input driving wheel 8 is connected with the power input part of the automatic transmission 10 through an input wheel overrunning clutch (not shown), the transmission output driving wheel 9 is fixedly connected with the power output part of the automatic transmission 10, the manual treading driving wheel 3 is connected with the transmission input driving wheel 8 through a first transmission part 30, the transmission output driving wheel 9 is connected with the rear wheel shaft driving wheel 7 through a second transmission part 90,
the torque-limiting coupling 5 includes: the overrunning clutch 50 and the torque limiter 51 are configured such that, in the present embodiment, the torque limiter 51 is a friction plate type torque limiter. The overrunning clutch 50 comprises an overrunning clutch pawl frame 500, an overrunning clutch pawl 501 and an overrunning clutch ratchet 502, the torque limiter 51 comprises a torque limiter positioning piece 510 and a torque limiter connecting piece 511, the overrunning clutch pawl 501 is arranged on the overrunning clutch pawl frame 500, one of the overrunning clutch pawl frame 500 and the torque limiter positioning piece 510 is arranged on an output shaft of the motor 4, the other one of the overrunning clutch pawl frame 500 and the torque limiter positioning piece 510 is arranged on a power input piece of the automatic transmission 10, and the torque limiter connecting piece 511 is fixedly connected with the overrunning clutch ratchet 502.
The working principle of the power-assisted bicycle with the torque limiting coupling is as follows: when the motor 4 drives to run, the electric control switch is turned on, the motor 4 runs, the motor output shaft drives the automatic transmission 10 to rotate through the torque limiting coupling 5, the transmission output driving wheel 9 drives the rear wheel shaft driving wheel 7 to rotate, the rear wheel shaft driving wheel 7 drives the rear wheel shaft 6 to rotate to output power, the bicycle runs forwards, when the driving force of the motor 4 is insufficient, the torque limiter 51 slips, the motor 4 transmits rated power, the manual treading supplements the power, the motor 4 continues to transmit the power, and the manual treading and the motor 4 drive the bicycle together; when the bicycle is ridden by manual treading, the electric control switch is turned off, the manual treading driving wheel 3 drives the transmission input driving wheel 8 to rotate through the first transmission piece 30, the transmission input driving wheel 8 drives the automatic transmission 10 to rotate, the transmission output driving wheel 9 drives the rear axle driving wheel 7 to rotate, the rear axle driving wheel 7 drives the wheel axle to rotate to output power, and the bicycle moves forwards.
In summary, the utility model adopts a structure of the motor and the automatic transmission, when the vehicle is started or climbs a slope, the automatic transmission is in a low gear, so that the motor with lower power can be selected, in addition, the utility model arranges the torque limiting coupling between the motor and the automatic transmission, when the vehicle runs in overload, the torque limiter can slip, the motor is protected, and the efficiency of the motor can be improved.
The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be used, not restrictive; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a moped with torsion restriction shaft coupling which characterized in that: the method comprises the following steps: the manual treading transmission wheel is arranged on the middle shaft mechanism, the motor is fixedly connected with the frame, the rear wheel shaft is connected with the frame in a damping or fixed mode, the automatic transmission is arranged on the frame and is provided with a power input part and a power output part, the transmission input transmission wheel is connected with the power input part of the automatic transmission through an input wheel overrunning clutch, the transmission output transmission wheel is fixedly connected with the power output part of the automatic transmission, the manual treading transmission wheel is connected with the transmission input transmission wheel through a first transmission part, and the transmission output transmission wheel is connected with the rear wheel shaft transmission wheel through a second transmission part, the torque limiting coupling includes: the overrunning clutch comprises an overrunning clutch pawl frame, an overrunning clutch pawl and an overrunning clutch ratchet wheel, the torque limiter comprises a torque limiter positioning piece and a torque limiter connecting piece, the overrunning clutch pawl is arranged on the overrunning clutch pawl frame, one of the overrunning clutch pawl frame and the torque limiter positioning piece is arranged on an output shaft of the motor, the other of the overrunning clutch pawl frame and the torque limiter positioning piece is arranged on a power input piece of the automatic transmission, and the torque limiter connecting piece is fixedly connected with the overrunning clutch ratchet wheel.
2. A power assisted bicycle with a torque limiting coupling as claimed in claim 1, wherein: the middle shaft mechanism comprises a middle shaft and a middle shaft sleeve, the middle shaft sleeve is fixedly connected with the frame, the middle shaft is arranged in the middle shaft sleeve, the middle shaft and the middle shaft sleeve are connected through a bearing, and the manpower treading transmission wheel is fixedly connected with the middle shaft.
3. A power assisted bicycle with a torque limiting coupling as claimed in claim 1, wherein: the rear wheel shaft driving wheel, the manpower treading driving wheel, the speed changer input driving wheel and the speed changer output driving wheel are chain wheels.
4. A power assisted bicycle with a torque limiting coupling as claimed in claim 1, wherein: the rear wheel shaft driving wheel is a step pulley.
5. A power assisted bicycle with a torque limiting coupling as claimed in claim 1, wherein: the motor is a speed reducing motor.
6. A power assisted bicycle with a torque limiting coupling as claimed in claim 1, wherein: the torque limiter is a friction plate type torque limiter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121528018.0U CN215590940U (en) | 2021-07-07 | 2021-07-07 | Power-assisted bicycle with torsion limiting coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121528018.0U CN215590940U (en) | 2021-07-07 | 2021-07-07 | Power-assisted bicycle with torsion limiting coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215590940U true CN215590940U (en) | 2022-01-21 |
Family
ID=79877584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121528018.0U Active CN215590940U (en) | 2021-07-07 | 2021-07-07 | Power-assisted bicycle with torsion limiting coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215590940U (en) |
-
2021
- 2021-07-07 CN CN202121528018.0U patent/CN215590940U/en active Active
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