CN108609105A - A kind of Manpower propulsion of bicycle power assisting device - Google Patents
A kind of Manpower propulsion of bicycle power assisting device Download PDFInfo
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- CN108609105A CN108609105A CN201810591480.1A CN201810591480A CN108609105A CN 108609105 A CN108609105 A CN 108609105A CN 201810591480 A CN201810591480 A CN 201810591480A CN 108609105 A CN108609105 A CN 108609105A
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- support
- driving wheel
- wheel
- power
- wheel set
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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
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/75—Rider propelled cycles with auxiliary electric motor power-driven by friction rollers or gears engaging the ground wheel
Abstract
The present invention discloses a kind of Manpower propulsion of bicycle power assisting device, belongs to electric automobiles, is related to the power assisting device for Manpower propulsion of bicycle.First support is connected with vehicle frame, and the first end of second support is swung with first support to be connected, and second end and the power assembly of second support are connected, and power assembly drives driving wheel rotation.Not when power-assisted, power assembly does not rotate, and driving wheel is not contacted with wheel set；When power-assisted, power assembly starts to rotate, feedback moment acts in second support, the swinging axle that second support is wound in first support is set to swing, driving wheel is driven to be contacted with wheel set side, driving wheel is rotated by frictional force drives wheel set, and for the component of this frictional force by driving wheel and wheel set lateral surface compressing, power assisting device is symmetrical about the wheel set equatorial plane.The present invention need not dismantle former vehicle component, at low cost, and feedback moment when application system starts realizes the combination of motor and wheel and detach solve the problems of the prior art.
Description
Technical field
The present invention discloses a kind of Manpower propulsion of bicycle power assisting device, belongs to electric automobiles, is related to Manpower propulsion of bicycle, especially relates to
And the power assisting device for bicycle.
Background technology
Manpower propulsion of bicycle (such as：Bicycle, pedicab and manpower vehicles etc.) it is only capable of relying on the muscle power of people itself
Driving, if can increase power assisting device on it can reduce the physical demands of people, or in certain situation that consumes one's strength
It is lower to extend distance of riding.It is advocated as the process and green of urbanization are current, it is more next using bicycle commuting, the people to play
More, since the distance for commuting and playing is usually longer, increasing distance of riding in the case of physical certain becomes a kind of demand.
The prior art is moved to how the rotary motion of motor being converted into Manpower propulsion of bicycle, there is following three kinds of solution party
Case：
1, the wheel of available man-power driving vehicle is replaced with to the wheel for being integrated with wheel hub motor, hub assembly is located at core wheel
Place, hub motor shell rotation directly drive vehicle wheel rotation.But wheel hub motor needs to be pre-assembled in wheel center, Yong Huxu
Want assembly to buy, spent more the money of wheel, and the wheel of former vehicle remove after also without other use, cause waste and increase use
Family cost.In addition, when user independently rides and does not need power-assisted, it is also necessary to the resistance for overcoming wheel hub motor to dally, user
It rides laborious.
2, the wheel inner ring of Manpower propulsion of bicycle is installed additional gear ring, setting motor drives the gear ring rotation engaged with gear, from
And vehicle wheel rotation is driven, equally exist of high cost in above-mentioned technology, and motor cannot be de- with wheel when user independently rides
From contact, become the resistance ridden.
3, motor is driven into a steamboat rotation, steamboat, which is contacted by holder with car wheel covering face, uses frictional force drives vehicle
Wheel rotation, disadvantage is that steamboat and wheel contact are just not easily separate later, if independently ridden under unseparated state, electricity
Chance becomes the resistance ridden, poor user experience.The manual separation so such user will also get off when not needing power-assisted,
Will get off manual combination when needing power-assisted, and motor and wheel separation binding operation are complicated.
To sum up, there is former vehicle part-waste, of high cost, resistance of independently riding to Manpower propulsion of bicycle power-assisted scheme in the prior art
Power is big and motor and wheel can not easily be in conjunction with the problem of with detaching.Need design one kind do not change primary car structure, fully
Using former vehicle component, it is at low cost, without autonomous riding resistance and motor and wheel can easily in conjunction with the power assisting device that detaches.
Invention content
Present invention is directed primarily to solve to there is former vehicle part-waste, cost to Manpower propulsion of bicycle power-assisted scheme in the prior art
High, autonomous riding resistance is big and motor and wheel can not easily provide a kind of Manpower propulsion of bicycle in conjunction with the problem of with detaching
Power assisting device.
To achieve the goals above, the scheme is as follows：
A kind of Manpower propulsion of bicycle power assisting device is provided, is connected with the vehicle frame of Manpower propulsion of bicycle, driving wheel set rotation,
It is characterized in, including first support, second support, power assembly and driving wheel；First support is connected with vehicle frame, second support
First end swings with first support and connects, and second end and the power assembly of second support are connected, and power assembly drives driving wheel rotation
Turn；Not when power-assisted, power assembly does not rotate, and driving wheel is not contacted with wheel set；When power-assisted, power assembly starts to rotate, instead
Present torque T2It acts in second support, so that the swinging axle that second support is wound in first support is swung, drive driving wheel and vehicle
Wheel assembly side contacts, and driving wheel rotated by frictional force drives wheel set, the component of this frictional force is by driving wheel and vehicle
Wheel assembly lateral surface compressing；First support, second support, power assembly and driving wheel have two sets, the equator about wheel set
Face is arranged symmetrically.
Further, a kind of Manpower propulsion of bicycle power assisting device, characterized in that further include limiting device and return dress
It sets；Second support is maintained at initial position with first support and is not easily susceptible to disturb by limiting device and returning device, returning device
Aligning torque be less than feedback moment T2。
Further, a kind of Manpower propulsion of bicycle power assisting device, characterized in that when power-assisted, wheel set is to driving
Take turns a reaction force F1, F1It is parallel with wheel set rolling tangential direction and opposite；F1It resolves into and is passed along second support
Pass the power F of swinging axle3, and driving wheel is pressed to the power F of wheel set2, F2It is axially parallel with wheel set, F2And F3Between
There are angle thetas；Tan θ are less than the friction coefficient between driving wheel and wheel set.
Further, a kind of Manpower propulsion of bicycle power assisting device, characterized in that the axis and second of driving wheel rotation
The axis that holder is swung is substantially parallel.
Further, a kind of Manpower propulsion of bicycle power assisting device, characterized in that the axis and second of driving wheel rotation
The axis acceptable range that holder is swung is greater than equal to 0 ° and is less than 90 °.
Further, a kind of Manpower propulsion of bicycle power assisting device, characterized in that the axis of driving wheel rotation is compared with second
The axis that holder is swung is closer to wheel set；The rear portion for the axis that the axis that second support is swung is rotated in driving wheel.
Further, a kind of Manpower propulsion of bicycle power assisting device, characterized in that when driving wheel and wheel set contact
When, the rotation axis of driving wheel intersects with the shaft of wheel set.
Further, a kind of Manpower propulsion of bicycle power assisting device, characterized in that the energy of the power assembly is
Electric energy；Power assembly can be motor, can also be the combination of motor and retarder.
Further, a kind of Manpower propulsion of bicycle power assisting device, characterized in that the first end of the second support
It swings and connects with first support, can be rotary pair, can also be screw thread pair.
Further, a kind of Manpower propulsion of bicycle power assisting device, characterized in that the driving wheel center and power
The output shaft fixed connection of assembly；Driving wheel peripheral surface friction coefficient is larger；The rotary inertia of driving wheel is larger.
The present invention need not dismantle former vehicle component, at low cost, not contacted with wheel when independently riding, when application system starts
Feedback moment realize the combination of motor and wheel and detach solve this Process fusion with releasing power-assisted in power-assisted
The problems of the prior art.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 power assisting devices are assemblied in the schematic diagram on vehicle frame；
Fig. 2 power assisting device explosive views；
Fig. 3 is Fig. 1 top views, the principle that description driving wheel is combined with wheel；
Fig. 4 is Fig. 1 top views, describes the principle (hiding tire) of drive wheel wheel；
Fig. 5 is to describe geometry designs main points along wheel axial view；
Fig. 6 power assisting devices are assemblied in the schematic diagram (hiding tire) on vehicle frame；
Fig. 7 describes the principle (hiding tire) of drive wheel wheel；
Fig. 8 power assisting devices are assemblied in the schematic diagram on vehicle frame；
Fig. 9 power assisting device explosive views；
Figure 10 describes the principle that driving wheel is combined with wheel；
Figure 11 describes the principle of drive wheel wheel；
More than, Fig. 1 to 5 is embodiment one, and Fig. 6 and 7 is embodiment two, and Fig. 6 to 11 is embodiment three.
In figure label for：
1, first support；11, support level；12, the first limited block；13, the first hanging point；
2, second support；21, first end；22, second end；23, the second limited block；24, the second hanging point；
3, power assembly；
4, driving wheel；
5, return element；
6, wheel set；
7, vehicle frame.
Specific implementation mode
Below against attached drawing, by the description of the embodiment, making to the specific implementation mode of the present invention further details of
Explanation, it is therefore an objective to those skilled in the art be helped to have more complete, accurate and deep reason to the design of the present invention, technical solution
Solution, and contribute to its implementation.
As shown in Figure 1, Manpower propulsion of bicycle refers to that bicycle, pedicab, manpower vehicles etc. rely on people from body
Power is the vehicle of power, certainly, only the vehicle of electric drive is leaned on to also belong to the present invention according to what conceptual design of the present invention came out
In protection domain.The ground connection rolling portion for constituting above-mentioned Manpower propulsion of bicycle is made of wheel set 6 and vehicle frame 7, and wherein wheel is total
Can be driven wheel or driving wheel at 6, the center of wheel set 6 is rotatably connected with vehicle frame 7, in addition to this rotary freedom, vehicle
Without other relative motion relations, wheel set 6 is passed to the various torques and power born by vehicle frame 7 for wheel assembly 6 and vehicle frame 7
Vehicle body.Wheel set 6 is made of wheel rim and tire, wheel rim can be integrally casting, injection molding structure, can also be spoke and wheel
Composite structure is enclosed, belongs to the structure description to the prior art above, defines the application field of the present invention.
Embodiment one：
As depicted in figs. 1 and 2, first support 1 is connected with vehicle frame 7, and first end 21 and the first support 1 of second support 2 are put
Dynamic connection, second end 22 and the power assembly 3 of second support 2 are connected, and power assembly 3 drives driving wheel 4 to rotate, and when power-assisted, drive
Driving wheel 4 is contacted with 6 side of wheel set, is rotated by frictional force drives wheel set 6, the component of this frictional force is by driving wheel
4 with 6 lateral surface compressing of wheel set.
As shown in figure 3, not power-assisted when, i.e., power assembly 3 be not connected to power-assisted instruction when, power assembly 3 does not rotate, driving
Wheel 4 is discontiguous with wheel set 6.When power-assisted, power assembly 3 be connected to power-assisted instruction start rotation when, to driving wheel 4 apply
Driving moment T1, this driving moment T1React on the oppositely oriented feedback moment T of power assembly 32, due to power assembly 3
It is connected with second support 2, i.e. feedback moment T2It acts in second support 2, second support 2 is made to be wound on the pendulum in first support 1
Moving axis is swung, to drive driving wheel 4 to be contacted with 6 side of wheel set.
As shown in figure 4, when the driving wheel 4 of rotation and 6 side of wheel set contact, driving wheel 4 passes through frictional force drives
Wheel set 6 rotates, and wheel set 6 gives 4 one reaction force F of driving wheel1, F1It is parallel with 6 rolling tangential direction of wheel set
And opposite, F1Resolve into the power F that swinging axle is passed to along second support 23, and driving wheel 4 pressed into wheel set 6
Power F2, F2With axial parallel, the F of wheel set 62Driving wheel 4 is pressed in the side of wheel set 6.F2And F3Between there are angle theta,
When tan θ are less than the friction coefficient between driving wheel 4 and wheel set 6, driving wheel 4 realizes self-locking transmission with wheel set 6,
That is, with driving force F1Increase, F2Also can increase, it is even closer that driving wheel 4 and the compression of wheel set 6 will not skid, it passes
Efficiency of movement higher.
When the power-assisted that power assembly 3 is connected to instructs revocation, F1It disappears, F2And F3Also it disappears immediately, driving wheel 4 and wheel
There is no pressing forces, driving wheel 4 to be disengaged with wheel set 6 between assembly 6.At the same time, wheel set 6 can also drive drive
Driving wheel 4 and second support 2 are wound on the swing of the swinging axle in first support 1, and the effect of swing is but also driving wheel 4 and wheel set
6 disengage.
In addition, when not needing power-assisted, in order to avoid second support 2 is swung because jolting and shaking, so that driving
4 collision wheel set 6 of wheel generates noise and riding resistance.It is preferably provided with and second support 2 and first support 1 is maintained at initial bit
Set the limiting device and returning device for being not easily susceptible to disturbance.The aligning torque of returning device is less than feedback moment T2, i.e. feedback force
Square T2It can overcome aligning torque that second support 2 is driven to rotate.
In more detail,
As shown in Figures 1 to 4, the ontology of first support 1 is the structure that can be connected in vehicle frame 7, preferably " C " tee section
Columnar vehicle frame 7 is wrapped in first support 1 by extrusion, and fastening structure is arranged in the opening of " C " tee section so that the
One holder 1 holds vehicle frame 7 tightly, this fastening structure can be bolt fastening, can also be Quick Release lever construction.First support 1 with
The connected mode of vehicle frame 7 can also be strapped etc. using bonding, welding, rope, as long as can realize that the two is connected.
2 first end 21 of second support is swung with first support 1 to be connected, and first support 1 is equipped with support level 11, support level 11 with
First end 21 swings cooperation, and preferably rotary pair coordinates, and support level 11 is equipped with upper and lower two shafts, matches respectively at the hole of first end 21
It closes；It is also possible that replacing rotary pair using screw thread pair, since the angle that second support 2 is swung is smaller, the axial displacement of generation is swung
It can ignore, in addition screw thread pair also constrains the axial movement between second support 2 and first support 1 simultaneously.Second limited block 23
It is connected with second support, the second limited block 23 is contacted with the first limited block 12 in first support 1, i.e., second support 2 is located at just
Beginning position.5 one end of return element is connected with first support 1, and one end is connected with second support 2, in first support 1 and second support
Apply aligning torque between 2 so that the two has the tendency that being maintained at initial position, it is preferable that return element 5 is extension spring, one end
It is hooked on the hole of first support 1, one end is hooked on the hole of second support 2.
2 second end 22 of second support is connected with power assembly 3, and the energy of power assembly 3 is electric energy, is driven by being stored in manpower
Battery on motor-car provides, and the output shaft when being connected to power-assisted instruction of power assembly 3 can be rotated according to direction initialization, and according to instruction
It is required that rotational speed.Power-assisted instruction can be sent out with the throttle that bicyclist operates；Or the drive sent out by monitoring bicyclist leg
The controller of kinetic moment (such as monitoring endless chain transmission for bicycle torque) sends out power-assisted instruction by setting strategy, realize with leg driving with
Dynamic effect.Power assembly 3 can be motor, can also be the combination of motor and retarder.
4 peripheral surface of driving wheel is the larger material of friction coefficient, preferred rubber, and 4 center of driving wheel is defeated with power assembly 3
Shaft is connected.Driving wheel 4 is contacted with the side of wheel set 6, is preferably contacted with wheel rim side, optional to be contacted with tire side.
Driving wheel 4 and the summation of the rotary inertia of the rotor of power assembly 3 are bigger, feedback moment T2It is bigger, therefore the main body material of driving wheel 4
Expect that the material that density should be selected larger is made, such as using steel, copper material, or the metals such as lead is inlayed after being molded.What driving wheel 4 rotated
Axis and the axis that second support 2 is swung are substantially parallel, and the angle of the two axis is smaller, driving moment T1Be converted to feedback force
Square T2More smooth (or it is interpreted as feedback moment T2It is bigger).The axis that the axis that driving wheel 4 rotates is swung with second support 2 can
It is greater than equal to 0 ° with the range of receiving and is less than 90 °.As shown in Figure 3 and Figure 4, the axis that driving wheel 4 rotates is compared with second support 2
The axis of swing is closer to wheel set 6, and the rear portion (wheel of axis that the axis that swings of second support 2 is rotated in driving wheel 4
Assembly 6 rotates tangential opposite direction).Sliding friction is generated when rotation in order to avoid being contacted between driving wheel 4 and wheel set 6,
Unnecessary abrasion is generated to the two, when driving wheel 4 and the contact of wheel set 6, the rotation axis and wheel set of driving wheel 4
6 shaft intersection, as shown in Figure 5.
Embodiment two：
Only power assisting device is arranged in the side of wheel set 6 in above-described embodiment one, as shown in figure 4, driving wheel 4 presses to wheel
The power F of assembly 62It can only be resisted by the structural strength of wheel set 6, in order to preferably balance this power, such as Fig. 6 and Fig. 7 institutes
Show, by power assisting device shown in embodiment one about wheel set 6 the equatorial plane again mirror image setting it is a set of, constitute embodiment two,
The power assisting device of i.e. two sets embodiments one is arranged symmetrically about the equatorial plane of wheel set 6 and constitutes embodiment two, geometrical principle
It is constant.The redundancy for also increasing system, improves reliability.
The power assembly 3 of both sides output shaft when being connected to power-assisted instruction can be rotated according to direction initialization simultaneously, and according to finger
Enable desired rotational speed.As shown in fig. 7, wheel set 6 applies reaction force F respectively to the driving wheel 4 of both sides1And F1', F1
And F1' it is parallel with 6 direction of rotation of wheel set and opposite, numerical value is identical, F1And F1' resolved into respectively along both sides second
Holder 2 passes to the power F of swinging axle3And F3', and the driving wheel 4 of both sides is pressed to the power F of wheel set 62And F2', F2With
F2' direction equal in magnitude on the contrary, cancelling out each other, wheel set 6 is not subject to additional lateral force.
Embodiment three：
As shown in Figs. 8 to 11, on the basis of the above embodiment 1, power assisting device is rotated integrally 90 ° so that driving
Wheel 4 is contacted with the wheel rim inner peripheral surface of wheel set 6, and when contact, the rotation axis of driving wheel 4 is put down with the axis of wheel set 6
Row, obtains embodiment three, and the radial load that when driving generates is born by wheel set 6, and 6 radial strength of wheel set is big, radial load
There will not be negative effect to the structure of wheel set 6.
As shown in Figure 8 and Figure 9, first support 1 is connected with vehicle frame 7, and first end 21 and the first support 1 of second support 2 are put
Dynamic connection, second end 22 and the power assembly 3 of second support 2 are connected, and power assembly 3 drives driving wheel 4 to rotate, and when power-assisted, drive
Driving wheel 4 is contacted with the wheel rim inner peripheral surface of wheel set 6, is rotated by frictional force drives wheel set 6, the component of this frictional force
Driving wheel 4 and 6 wheel rim inner peripheral surface of wheel set are compressed.
As shown in Figure 10, not power-assisted when, i.e., power assembly 3 be not connected to power-assisted instruction when, power assembly 3 does not rotate, drive
Driving wheel 4 is discontiguous with wheel set 6.When power-assisted, power assembly 3 be connected to power-assisted instruction start rotation when, driving wheel 4 is applied
Driving moment T is added1, this driving moment T1React on the oppositely oriented feedback moment T of power assembly 32, since power is total
It is connected at 3 and second support 2, i.e. feedback moment T2It acts in second support 2, second support 2 is made to be wound in first support 1
Swinging axle is swung, to drive driving wheel 4 to be contacted with 6 wheel rim inner peripheral surface of wheel set.
As shown in figure 11, when the wheel rim inner peripheral surface of the driving wheel of rotation 4 and wheel set 6 contacts, driving wheel 4 is by rubbing
It wipes power drive wheel set 6 to rotate, wheel set 6 gives 4 one reaction force F of driving wheel1, F1It is and 6 direction of rotation of wheel set
Tangential parallel and opposite, F1Resolve into the power F that swinging axle is passed to along second support 23, and driving wheel 4 pressed into wheel
The power F of assembly 62, F2Radial parallel, the F with wheel set 62Driving wheel 4 is pressed in the wheel rim inner peripheral surface of wheel set 6.F2And F3It
Between there are angle theta, when tan θ are less than the friction coefficient between driving wheel 4 and wheel set 6, driving wheel 4 is real with wheel set 6
Existing self-locking transmission, that is, with driving force F1Increase, F2Also can increase, it is even closer to compress driving wheel 4 and wheel set 6
It will not skid, transmission efficiency higher.
When the power-assisted that power assembly 3 is connected to instructs revocation, F1It disappears, F2And F3Also it disappears immediately, driving wheel 4 and wheel
There is no pressing forces, driving wheel 4 to be disengaged with wheel set 6 between assembly 6.At the same time, wheel set 6 can also drive drive
Driving wheel 4 and second support 2 are wound on the swing of the swinging axle in first support 1, and the effect of swing is but also driving wheel 4 and wheel set
6 disengage.
In addition, when not needing power-assisted, in order to avoid second support 2 is swung because jolting and shaking, so that driving
4 collision wheel set 6 of wheel generates noise and riding resistance.It is preferably provided with and second support 2 and first support 1 is maintained at initial bit
Set the limiting device and returning device for being not easily susceptible to disturbance.The aligning torque of returning device is less than feedback moment T2, i.e. feedback force
Square T2It can overcome aligning torque that second support 2 is driven to rotate.When second support 2 and connected object are made by the return that gravity generates
Used time can save and returning device is separately provided, and as shown in figure 11, gravity direction is downward.
In more detail,
As shown in Figs. 8 to 11, the ontology of first support 1 is the structure that can be connected in vehicle frame 7, preferably " C " tee section
Extrusion, columnar vehicle frame 7 is wrapped in first support 1, " C " tee section opening be arranged fastening structure so that
First support 1 holds vehicle frame 7 tightly, this fastening structure can be bolt fastening, can also be Quick Release lever construction.First support 1
Can also be strapped etc. using Nian Jie, welding, rope with the connected mode of vehicle frame 7, as long as can realize that the two is connected.
2 first end 21 of second support is swung with first support 1 to be connected, and first support 1 is equipped with support level 11, support level 11 with
First end 21 swings cooperation, and preferably rotary pair coordinates, and support level 11 is equipped with upper and lower two shafts, matches respectively at the hole of first end 21
It closes；It is also possible that replacing rotary pair using screw thread pair, since the angle that second support 2 is swung is smaller, the axial displacement of generation is swung
It can ignore, in addition screw thread pair also constrains the axial movement between second support 2 and first support 1 simultaneously.Second limited block 23
It is connected with second support, the second limited block 23 is contacted with the first limited block 12 in first support 1, i.e., second support 2 is located at just
Beginning position.5 one end of return element is connected with first support 1, and one end is connected with second support 2, in first support 1 and second support
Apply aligning torque between 2 so that the two has the tendency that being maintained at initial position, it is preferable that return element 5 is extension spring, one end
It is hooked on the hole of first support 1, one end is hooked on the hole of second support 2.
2 second end 22 of second support is connected with power assembly 3, and the energy of power assembly 3 is electric energy, is driven by being stored in manpower
Battery on motor-car provides, and the output shaft when being connected to power-assisted instruction of power assembly 3 can be rotated according to direction initialization, and according to instruction
It is required that rotational speed.Power-assisted instruction can be sent out with the throttle that bicyclist operates；Or the drive sent out by monitoring bicyclist leg
The controller of kinetic moment (such as monitoring endless chain transmission for bicycle torque) sends out power-assisted instruction by setting strategy, realize with leg driving with
Dynamic effect.Power assembly 3 can be motor, can also be the combination of motor and retarder.
4 peripheral surface of driving wheel is the larger material of friction coefficient, preferred rubber, and 4 center of driving wheel is defeated with power assembly 3
Shaft is connected.Driving wheel 4 is contacted with the wheel rim inner peripheral surface of wheel set 6.Driving wheel 4 and the rotation of the rotor of power assembly 3 are used
The summation of amount is bigger, feedback moment T2It is bigger, therefore the material that the material of main part of driving wheel 4 should select density larger is made, and such as makes
With steel, copper material, or the metals such as lead are inlayed after injection molding.The axis that the axis that driving wheel 4 rotates is swung with second support 2 is substantially flat
Row, the angle of the two axis is smaller, driving moment T1Be converted to feedback moment T2More smooth (or it is interpreted as feedback moment T2
It is bigger).The axis acceptable range that the axis that driving wheel 4 rotates is swung with second support 2 is greater than equal to 0 ° and is less than
90°.As shown in Figure 10 and Figure 11, the axis that the axis that driving wheel 4 rotates is swung compared with second support 2 is closer to wheel set 6
Edge, and (wheel set 6 rotates tangential phase negative side at the axis that swings of second support 2 rear portion of axis that rotates in driving wheel 4
To).Sliding friction is generated when rotation in order to avoid being contacted between driving wheel 4 and wheel set 6, unnecessary mill is generated to the two
Damage, when driving wheel 4 and wheel set 6 contact, the rotation axis of driving wheel 4 and the shaft of wheel set 6 in approximately the same plane,
Further, the rotation axis of driving wheel 4 is parallel with the shaft of wheel set 6.
Above example can be applied to all wheels of Manpower propulsion of bicycle or partial wheel, composition part
Wheel drives or a11wheel drive, and the scheme of the embodiment of the different wheel application of the same Manpower propulsion of bicycle can be arbitrary group
It closes.
It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of Manpower propulsion of bicycle power assisting device is connected with the vehicle frame (7) of Manpower propulsion of bicycle, driving wheel set (6) rotates,
It is characterized in, including first support (1), second support (2), power assembly (3) and driving wheel (4)；
First support (1) is connected with vehicle frame (7), and the first end (21) of second support (2) is swung with first support (1) to be connected, the
The second end (22) of two holders (2) is connected with power assembly (3), and power assembly (3) drives driving wheel (4) to rotate；
Not when power-assisted, power assembly (3) does not rotate, and driving wheel (4) is not contacted with wheel set (6)；
When power-assisted, power assembly (3) starts to rotate, feedback moment T2It acts in second support (2), second support (2) is made to be wound on
Swinging axle in first support (1) is swung, and drives driving wheel (4) to be contacted with wheel set (6) side, driving wheel (4) is by rubbing
It wipes power drive wheel set (6) to rotate, the component of this frictional force is by driving wheel (4) and wheel set (6) lateral surface compressing；
First support (1), second support (2), power assembly (3) and driving wheel (4) have two sets, about wheel set (6)
The equatorial plane is arranged symmetrically.
2. a kind of Manpower propulsion of bicycle power assisting device according to claim 1, characterized in that further include limiting device and return
Device；
Second support (2) is maintained at initial position with first support (1) and is not easily susceptible to disturb by limiting device and returning device, is returned
The aligning torque of position device is less than feedback moment T2。
3. a kind of Manpower propulsion of bicycle power assisting device according to claim 1, characterized in that
When power-assisted, wheel set (6) gives (4) reaction force F of driving wheel1, F1It is and wheel set (6) rolling tangential direction
Parallel and opposite；
F1Resolve into the power F that swinging axle is passed to along second support (2)3, and driving wheel (4) pressed into wheel set (6)
Power F2, F2With axial parallel, the F of wheel set (6)2And F3Between there are angle thetas；
Tan θ are less than the friction coefficient between driving wheel (4) and wheel set (6).
4. a kind of Manpower propulsion of bicycle power assisting device according to claim 1, characterized in that
The axis of driving wheel (4) rotation and the axis that second support (2) is swung are substantially parallel.
5. a kind of Manpower propulsion of bicycle power assisting device according to claim 4, characterized in that
The axis of driving wheel (4) rotation is greater than equal to 0 ° and small with the axis acceptable range that second support (2) is swung
In 90 °.
6. a kind of Manpower propulsion of bicycle power assisting device according to claim 1, characterized in that
The axis that the axis of driving wheel (4) rotation is swung compared with second support (2) is closer to wheel set (6)；
The rear portion for the axis that the axis that second support (2) is swung is rotated in driving wheel (4).
7. a kind of Manpower propulsion of bicycle power assisting device according to claim 1, characterized in that
When driving wheel (4) and wheel set (6) contact, the shaft phase of the rotation axis and wheel set (6) of driving wheel (4)
It hands over.
8. a kind of Manpower propulsion of bicycle power assisting device according to claim 1, characterized in that the power assembly (3)
The energy is electric energy；
Power assembly (3) can be motor, can also be the combination of motor and retarder.
9. a kind of Manpower propulsion of bicycle power assisting device according to claim 1, characterized in that the second support (2)
First end (21) swings with first support (1) and connects, and can be rotary pair, can also be screw thread pair.
10. a kind of Manpower propulsion of bicycle power assisting device according to claim 1, characterized in that described driving wheel (4) center
With the output shaft fixed connection of power assembly (3)；Driving wheel (4) peripheral surface friction coefficient is larger；The rotary inertia of driving wheel (4) compared with
Greatly.
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| CN201810591480.1A CN108609105B (en) | 2018-06-10 | 2018-06-10 | Power assisting device of manpower-driven vehicle |
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| CN108609105A true CN108609105A (en) | 2018-10-02 |
| CN108609105B CN108609105B (en) | 2020-11-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112803297A (en) * | 2021-01-21 | 2021-05-14 | 广西电网有限责任公司电力科学研究院 | Suspension insulator rotating device |
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| CN201587511U (en) * | 2010-01-15 | 2010-09-22 | 万线实业有限公司 | Bicycle assisting-power driving device |
| CN104822585A (en) * | 2012-12-05 | 2015-08-05 | 米其林集团总公司 | Electric assist device for a bicycle and electrically assisted bicycle provided with such a device |
| CN106143778A (en) * | 2015-04-01 | 2016-11-23 | 鸿富锦精密工业（深圳）有限公司 | Bicycle and electric booster thereof |
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| JPH03162856A (en) * | 1989-06-18 | 1991-07-12 | Arie Becker | Electrical auxiliary driving device |
| CN201587511U (en) * | 2010-01-15 | 2010-09-22 | 万线实业有限公司 | Bicycle assisting-power driving device |
| CN104822585A (en) * | 2012-12-05 | 2015-08-05 | 米其林集团总公司 | Electric assist device for a bicycle and electrically assisted bicycle provided with such a device |
| CN106143778A (en) * | 2015-04-01 | 2016-11-23 | 鸿富锦精密工业（深圳）有限公司 | Bicycle and electric booster thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112803297A (en) * | 2021-01-21 | 2021-05-14 | 广西电网有限责任公司电力科学研究院 | Suspension insulator rotating device |
| CN112803297B (en) * | 2021-01-21 | 2022-10-25 | 广西电网有限责任公司电力科学研究院 | Suspension insulator rotating device |
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| CN108609105B (en) | 2020-11-17 |
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