CN207955944U - A kind of foot-operated force measuring device of electric assisted bicycle - Google Patents
A kind of foot-operated force measuring device of electric assisted bicycle Download PDFInfo
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- CN207955944U CN207955944U CN201820286718.5U CN201820286718U CN207955944U CN 207955944 U CN207955944 U CN 207955944U CN 201820286718 U CN201820286718 U CN 201820286718U CN 207955944 U CN207955944 U CN 207955944U
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- chain
- belt
- sprocket wheel
- wheel
- assisted bicycle
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Abstract
Include the sensor for supporting and constraint withstanding on the chain between chain wheel and flywheel or the first sprocket wheel on belt, swing arm and detection swing arm rotational angle or shift length around fixed pivot rotation or along setting trajectory displacement by swing arm the utility model discloses the foot-operated force measuring device of electric assisted bicycle；First sprocket wheel is driven by the chain or belt that rotate and is carried out swing or displacement by the zone of action movable pendulum arm of chain or the tensile force of belt while rotation.In the utility model; the maximum stroke movement of first sprocket wheel corresponds to chain or belt to move under the drive of chain wheel to be in exceptionally straight state; therefore the tensile force suffered by the first sprocket wheel will not persistently be significantly increased; especially in the case where pedal is by enormous impact; the mechanical mechanism of swing arm and its connection of protection sensor, the first sprocket wheel, the first sprocket wheel of support, this structure design is contributed to be conducive to the reliability and durability of raising system.
Description
Technical field
The utility model is related to a kind of foot-operated force measuring devices of electric assisted bicycle, belong to electric assisted bicycle skill
Art field.
Background technology
It is required for, according to the movement velocity of bicycle or by force information, being controlled by electric machine controller using the bicycle of power-assisted
Motor provides power-assisted for bicycle, it is therefore desirable to using various detection cycling speed or the measuring device of stress, still
Dedicated sensor is expensive, and when by larger stress（Pedal force is larger）In the case of, measuring device and its connection
Mechanical structure, without corresponding stress protect, be also easy to produce deformation or damage.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies of existing technologies, and it is electric boosted voluntarily to provide one kind
The torque sensor of vehicle, in maximum weighted（Pedal force）In the case of, the mechanical structure of sensor and connection is protected, is allowed to indeformable
Or damage.
In order to solve the above technical problems, the utility model provides a kind of foot-operated force measuring device of electric assisted bicycle.
A kind of foot-operated force measuring device of electric assisted bicycle, characterized in that including being supported by swing arm and constraint being pushed up
The first sprocket wheel on chain or belt between chain wheel and flywheel, rotated around a fixed pivot or along setting trajectory displacement pendulum
The sensor of arm and detection swing arm rotational angle or shift length；
It is acted on by the tensile force of chain or belt while first sprocket wheel drives rotation by the chain or belt rotated
Swing arm is driven to carry out swing or displacement.
The maximum stroke movement of first sprocket wheel corresponds to the chain or belt and is moved under the drive of chain wheel in taut
Straight state.
First sprocket wheel is with gear with teeth or anodontia pulley.
After the chain or belt engaged with chain wheel periphery bypasses flywheel periphery, it is engaged in successively by motor or retarder output
Second sprocket wheel of axis driving rotation, the first sprocket wheel of swing arm rotation or displacement for driving sensor to be detected, further around returning chain wheel, with
It engages chain wheel periphery.Or for In-wheel motor driving form, the chain or belt that are engaged with chain wheel periphery bypass by motor or
The flywheel periphery of reducer output shaft driving, the first sprocket wheel of swing arm rotation or displacement for driving sensor to be detected, further around returning
Chain wheel is engaged with chain wheel periphery.
Further include an elastic device so that the first sprocket wheel is in the initial state due to the effect of elastic device, to upper
It states chain and belt generates preset resistance, when the tensile force of chain and belt increases under the action of chain wheel and more than elasticity
After the preset value of device, swing arm can just rotate.
It is arranged in any section of chain or belt and increases chain or belt and the first sprocket engagement number of teeth or and pulley contact
The tensioning apparatus of area.
A kind of electric assisted bicycle, characterized in that the foot-operated force measuring device including above-mentioned electric assisted bicycle.
Include that the motor for applying power-assisted is controlled by electric machine controller, the electric signal of detection is sent to motor control by sensor
Device, electric machine controller control motor and export corresponding torque on chain or belt.
Further include an axis, middle axis connection chain wheel and crank.
One-way clutch is additionally provided between chain wheel and crank.
One-way clutch is set between motor output shaft and the second sprocket wheel.
The advantageous effect that the utility model is reached：
In the foot-operated force measuring device of the utility model, the maximum stroke movement of the first sprocket wheel corresponds to chain or belt exists
Movement is in exceptionally straight state under the drive of chain wheel, therefore the tensile force suffered by the first sprocket wheel will not persistently be significantly increased, and help to protect
The mechanical mechanism for protecting swing arm and its connection of sensor, the first sprocket wheel, the first sprocket wheel of support, especially in pedal by huge punching
In the case of hitting, avoids sensor, the first sprocket wheel, supports other mechanical mechanisms of swing arm and its connection of the first sprocket wheel impaired,
This structure design is conducive to the reliability and durability of raising system.
Description of the drawings
Fig. 1 is the electric assisted bicycle schematic diagram of the utility model；
Fig. 2 is foot-operated force measuring device schematic diagram；
Foot-operated force measuring device schematic diagram when Fig. 3 is chain or belt exceptionally straight state.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating this
The technical solution of utility model, and the scope of protection of the utility model cannot be limited with this.
In conjunction with Fig. 1, Fig. 2 and Fig. 3, a kind of integrated electric moped, including applied by electric machine controller control and helped
Motor, motor driver, the motor reducer of power further include foot-operated force measuring device, ride force measuring device include one by
The swing arm 2 and one that the effect of the tensile force of chain or belt 1 is swung detects the sensing of 2 rotational angle of swing arm or shift length
The electric signal of detection is sent to electric machine controller by device, the sensor, and electric machine controller controls motor and exports corresponding torque,
Torque is on chain or belt 1.
First sprocket wheel 3 is configured to be supported and constrained by swing arm 2, withstands on chain wheel 4 to times of chain between flywheel 5 or belt
One section, this section of chain or belt angled, the first sprocket wheel under the reply force effect that the elastic device of driving chain sprocket generates
By after the active force of chain or belt, swing arm is driven to rotate.
Swing arm could be provided as the device for swinging or linearly moving after the effect of the tensile force by chain or belt.When
So, the swing arm for the form that moves along a straight line be compared to rotation swing arm be easy to happen machinery it is stuck, be inferior in structure design rotation
Swing arm.
First sprocket wheel 3 can be with gear with teeth, can also be anodontia pulley.
When chain or the preferred arrangement of belt are that chain wheel 4 drives bicycle rotation, the chain that is engaged with 4 periphery of chain wheel
Or belt is engaged in drives the second sprocket wheel rotated by motor or reducer output shaft successively around behind 5 periphery of bicycle freewheel
6, it after driving the first sprocket wheel 3 that the swing arm that sensor is detected rotates, further around chain wheel 4 is returned, is engaged with 4 periphery of chain wheel.This side
Formula can integrate motor or motor and retarder with foot-operated force measuring device, become the form arrangement of built-in motor, and motor is put
Among car.
In other embodiments, motor or the form that motor and retarder are wheel hub motor.At this time by the output of motor
The output shaft and flywheel of axis or retarder are combined together.The chain or belt engaged with chain wheel periphery is bypassed by motor or deceleration
The first sprocket wheel of swing arm rotation or displacement that device exports shaft-driven flywheel periphery, sensor is driven to be detected, further around returning chain wheel,
It is engaged with chain wheel periphery.
An elastic device is also set up in this programme so that the first sprocket wheel in the initial state due to the effect of elastic device,
Preset resistance is generated to above-mentioned chain and belt, increase under the action of chain wheel when the tensile force of chain and belt and
After the preset value of elastic device, swing arm can just rotate, prevent power assisting device in the case of slight stress just into
The non-essential power-assisted of row.
The maximum stroke movement of first sprocket wheel 3 is configured to this section of chain or belt under the drive of chain wheel in almost taut
Straight state makes the tensile force suffered by the first sprocket wheel not continue to increase, and contributes to the pendulum protected the first sprocket wheel, support the first sprocket wheel
The mechanical mechanism of other connections such as arm and crank, especially in the case where pedal is by enormous impact, for protecting crank 8 not
Deformed damaged is caused, avoids the mechanical mechanism of the first sprocket wheel, the swing arm and its connection that support the first sprocket wheel impaired.
This integrated form bicycle power-assisted device can also integrate axis 7, and axis 7 connects chain wheel 4 and crank 8.Preferably, exist
One-way clutch is set between chain wheel 7 and crank 8.This one-way clutch is conducive to 8 counter-rotating of crank, and is conducive to power-assisted
Device realizes the full electric drive mode without foot-operated force signal.
Any section of chain or belt be arranged increase chain or belt with the sprocket engagement number of teeth or with pulley contact area
Tensioning apparatus 9.
Preferably, one-way clutch is set between motor output shaft and the second sprocket wheel, which is conducive to certainly
Driving mitigates the burden of riding of bicyclist when motor cannot provide power-assisted.
The foot-operated force measuring device of the utility model can be applied to two-wheeled bicycle or hand driven bicycle, also may be used
Applied to three-wheel or the bicycle of more wheels.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
The scope of protection of the utility model is also should be regarded as into deformation.
Claims (11)
1. a kind of foot-operated force measuring device of electric assisted bicycle, characterized in that including being supported by swing arm and constraint being withstood on
The first sprocket wheel on chain or belt between chain wheel and flywheel, rotated around a fixed pivot or along setting trajectory displacement swing arm
With detection swing arm rotational angle or the sensor of shift length；
First sprocket wheel is driven by the chain or belt that rotate and is driven by the effect of chain or the tensile force of belt while rotation
Swing arm carries out swing or displacement.
2. a kind of foot-operated force measuring device of electric assisted bicycle according to claim 1, characterized in that described first
The maximum stroke movement of sprocket wheel corresponds to the chain or belt to move under the drive of chain wheel to be in exceptionally straight state.
3. a kind of foot-operated force measuring device of electric assisted bicycle according to claim 1, characterized in that described first
Sprocket wheel is with gear with teeth or anodontia pulley.
4. a kind of foot-operated force measuring device of electric assisted bicycle according to claim 1, characterized in that with outside chain wheel
The chain or belt of week engagement are engaged in drive the second of rotation by motor or reducer output shaft successively around behind flywheel periphery
First sprocket wheel of the swing arm rotation or displacement that sprocket wheel, drive sensor are detected is engaged further around chain wheel is returned with chain wheel periphery.
5. a kind of foot-operated force measuring device of electric assisted bicycle according to claim 1, characterized in that with outside chain wheel
The chain or belt of week engagement are bypassed by the flywheel periphery that motor or reducer output shaft drive, the pendulum for driving sensor to be detected
Arm rotates or the first sprocket wheel of displacement, further around chain wheel is returned, is engaged with chain wheel periphery.
6. a kind of foot-operated force measuring device of electric assisted bicycle according to claim 1, characterized in that further include one
Elastic device so that the first sprocket wheel generates above-mentioned chain and belt in the initial state due to the effect of elastic device
Preset resistance, when the tensile force of chain and belt increase under the action of chain wheel and more than elastic device preset value it
Afterwards, swing arm can just rotate.
7. a kind of foot-operated force measuring device of electric assisted bicycle according to claim 3, characterized in that in chain or
Any section setting of belt increases chain or belt and the first sprocket engagement number of teeth or the tensioning apparatus with pulley contact area.
8. a kind of electric assisted bicycle, characterized in that including the electricity described in any one of claim 1-7 claims
The foot-operated force measuring device of dynamic moped.
9. a kind of electric assisted bicycle according to claim 8, characterized in that apply including being controlled by electric machine controller
The electric signal of detection is sent to electric machine controller by the motor of power-assisted, sensor, and it is corresponding that electric machine controller controls motor output
Torque is on chain or belt.
10. a kind of electric assisted bicycle according to claim 8, characterized in that further include an axis, middle axis connection tooth
Disk and crank；One-way clutch is additionally provided between chain wheel and crank.
11. a kind of electric assisted bicycle according to claim 8, characterized in that in motor output shaft and the second sprocket wheel
Between one-way clutch is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820286718.5U CN207955944U (en) | 2018-03-01 | 2018-03-01 | A kind of foot-operated force measuring device of electric assisted bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820286718.5U CN207955944U (en) | 2018-03-01 | 2018-03-01 | A kind of foot-operated force measuring device of electric assisted bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207955944U true CN207955944U (en) | 2018-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820286718.5U Active CN207955944U (en) | 2018-03-01 | 2018-03-01 | A kind of foot-operated force measuring device of electric assisted bicycle |
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| Country | Link |
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| CN (1) | CN207955944U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109677557A (en) * | 2019-01-25 | 2019-04-26 | 南京奥特博机电科技有限公司 | A kind of power assisting device and moped |
| CN112660292A (en) * | 2020-12-30 | 2021-04-16 | 大川电机科技(江苏)有限公司 | Split torque acquisition device of power-assisted bicycle |
-
2018
- 2018-03-01 CN CN201820286718.5U patent/CN207955944U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109677557A (en) * | 2019-01-25 | 2019-04-26 | 南京奥特博机电科技有限公司 | A kind of power assisting device and moped |
| CN112660292A (en) * | 2020-12-30 | 2021-04-16 | 大川电机科技(江苏)有限公司 | Split torque acquisition device of power-assisted bicycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230802 Address after: 414000 Floors 3, 4 and 5, Building 9, Yueyang Modern Equipment Manufacturing Industrial Park, Muligang Community, Muligang, Yueyang Economic and Technological Development Zone, Yueyang City, Hunan Province Patentee after: Yueyang aidaxing Intelligent Technology Co.,Ltd. Address before: Room 313, 3rd Floor, Sunjia Comprehensive Building, Banqiao Street, Yuhuatai District, Nanjing City, Jiangsu Province, 210039 Patentee before: NANJING AOTEBO ELECTROMECHANICAL TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |