CN206727820U - A kind of built-in motor and the electric bicycle for configuring the built-in motor - Google Patents
A kind of built-in motor and the electric bicycle for configuring the built-in motor Download PDFInfo
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- CN206727820U CN206727820U CN201720365083.3U CN201720365083U CN206727820U CN 206727820 U CN206727820 U CN 206727820U CN 201720365083 U CN201720365083 U CN 201720365083U CN 206727820 U CN206727820 U CN 206727820U
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Abstract
This application discloses the electric bicycle of a kind of built-in motor and the configuration motor, the built-in motor includes including for being connected to rotor and the transmission device of chain wheel：The first rotating shaft of parallel arrangement and the second rotating shaft, the first small-diameter gear being fixed in first rotating shaft, first central diameter gear and the first large diameter gear, the second small-diameter gear being sheathed in the second rotating shaft, second central diameter gear and the second large diameter gear, connect the second large diameter gear and the freewheel clutch of the second rotating shaft, connect the second central diameter gear and the first click clutch of the second rotating shaft, connect the second small-diameter gear and the second click clutch of the second rotating shaft, control the first click clutch and the clutch open/closure controller of the second click clutch division state；Second small-diameter gear engages connection with the first large diameter gear, and the second central diameter gear engages connection with the first central diameter gear, and the second large diameter gear engages connection with the first small-diameter gear.The built-in motor can realize more gear speed-changings, and stable drive, noise is low, and efficiency is higher.
Description
Technical field
The application is related to machine field, and in particular to a kind of built-in motor and the electric bicycle for configuring the built-in motor.
Background technology
Electric bicycle motor is all to use single speed gear drive mechanism at present, and gear drive bearing capacity is low, makes an uproar
Sound is larger, and speed reducing ratio is relatively small (because gearratio is difficult to do greatly in the limited design space of electric bicycle).And
And to realize that speed changing function also needs to install gear additional, common dials chain structure exposed to the outer damage that has been corroded, high-grade
Flower-drum internal speed-changing mechanism is expensive.
The application comes therefrom.
The content of the invention
The purpose of the application is：Electricity is put in this in view of the above-mentioned problems, providing a kind of built-in motor of new structure and configuring
The electric bicycle of machine, the built-in motor stable drive, noise is low, and gearratio is big, and bearing capacity is high, and efficiency is higher, Er Qieke
Realize more gear speed-changings.
The technical scheme of the application is：A kind of built-in motor, including：
Motor housing；
The rotor and stator being contained in the motor housing；
Rotation is arranged in the axis in the motor housing；
The chain wheel being connected with the axis；And
The transmission device being connected between the rotor and chain wheel；
The transmission device includes：
The first rotating shaft of parallel arrangement and the second rotating shaft, the first rotating shaft are connected with the rotor, and described second
Rotating shaft is connected with the chain wheel；
Coaxially it is fixed on the first small-diameter gear, the first central diameter gear and that in the first rotating shaft and diameter is incremented by successively
One large diameter gear；
Rotary sleeve is in second rotating shaft and diameter is incremented by successively the second small-diameter gear, the second central diameter gear and the
Two large diameter gears, second small-diameter gear engage connection with first large diameter gear, the second central diameter gear with it is described
The engagement connection of first central diameter gear, second large diameter gear engage connection with first small-diameter gear；
Connect second large diameter gear and the freewheel clutch of second rotating shaft；
Connect the second central diameter gear and the first click clutch of second rotating shaft；
Connect second small-diameter gear and the second click clutch of second rotating shaft；And
Clutch open/closure controller, by means of the action of the clutch open/closure controller, it can optionally make institute
State the first click clutch and the second click clutch is in separation/engagement state.
In some preferred embodiments of the application, the rotor connects by the way that shaft coupling and the first rotating shaft are coaxially fixed
Connect.
In the other preferred embodiment of the application, the clutch open/closure controller has respectively with described first
Two drive ends that detent contact in click clutch and the second click clutch coordinates, it is driven by the two
Moved end is acted selectively to compress/unclamp the spine in the first click clutch and the second click clutch
Pawl, and then the first click clutch and the second click clutch is in separation/engagement state.
In the other preferred embodiment of the application, the clutch open/closure controller includes：
It can allow and make the speed change rotating shaft that moves pivotally around own axes, it is arranged in the first click clutch and the
Between two click clutches；
At least one set of magnet steel, every group is made up of four magnet steel, and four in every group magnet steel be fixed in a ring it is described
The periphery of speed change rotating shaft, wherein the N of three magnet steel is extremely outwardly disposed, and S poles are arranged inwardly；The N poles of another magnet steel are inwardly
Arrangement, and S is extremely outwardly disposed；
First speed change pressure ring, it is axially displaceably set in outside second rotating shaft, and the first speed change pressure ring cloth
Put between the speed change rotating shaft and the first click clutch, the first speed change pressure ring towards first click from
That side of clutch is fixedly installed the ratchet being engaged with the ratchet in the first click clutch and stirs pin, first change
Ram compression ring is fixedly installed the first magnet ring, and the N of first magnet ring away from that side of the first click clutch
Pole is arranged towards speed change rotating shaft, and S poles are arranged towards the first speed change pressure ring；And
Second speed change pressure ring, it is axially displaceably coaxially set in outside second rotating shaft, and the second change ram compression
Ring is arranged between the speed change rotating shaft and the second click clutch, and the second speed change pressure ring is towards second spine
That side of wheel rachet clutch is fixedly installed the ratchet being engaged with the ratchet in the second click clutch and stirs pin,
The second speed change pressure ring is fixedly installed the second magnet ring, and second magnet ring away from that side of the second click clutch
N poles towards speed change rotating shaft arrange, and S poles towards the second speed change pressure ring arrange.
In the other preferred embodiment of the application, second small-diameter gear and the second central diameter gear are close to arrangement.
In the other preferred embodiment of the application, it is arranged with outside second rotating shaft and is clipped in the first speed change pressure ring
And first the first pressure ring back-moving spring between click clutch, also it is arranged with outside second rotating shaft and is clipped in the second speed change
The second pressure ring back-moving spring between pressure ring and the second click clutch.
In the other preferred embodiment of the application, the speed change rotating shaft is provided with two altogether, this two speed change rotating shafts
It is parallel to each other and is arranged symmetrically in the radially opposite sides of second rotating shaft, while this two speed change rotating shafts is each perpendicular to described
Two rotating shafts are arranged；The magnet steel sets four groups altogether, and the every speed change rotating shaft is respectively arranged with magnet steel described in two groups.
In the other preferred embodiment of the application, in addition to a stepper motor, the output shaft of the stepper motor are fixed
Connect a driving gear, coaxially fix a driven gear in two speed change rotating shafts respectively, the driving gear and the two
Driven gear engages connection simultaneously.
In the other preferred embodiment of the application, the transmission device also includes the worm gear and worm screw by engagement connection
The ring surface enveloped Worm and worm-wheel gearing of Planar Quadratic of composition, second rotating shaft are coaxially solid by shaft coupling and the worm screw
Fixed connection, the worm gear are fixedly and coaxially connected with the chain wheel, and the worm gear is coaxially set in outside the axis, and the worm gear with
One-way clutch is connected between the axis.
This electric bicycle that the application is proposed, including vehicle frame, include the built-in motor of said structure, the electricity
Machine shell fastens with the vehicle frame.
The advantages of the application is：
1st, being used to connecting the transmission device of rotor and chain wheel in this built-in motor of the application, to employ structure very ingenious
Three gear gear shifts, low speed, middling speed, the free switching of high speed can be achieved, and control is integrated into using electrical shift
In device processed and instrument, manipulation is very convenient.
2nd, the travelling gear of above-mentioned three gears gear shift is using steel gear and the structure of nylon size engagement connection
Form, is driven smooth steady and drive noise is small.
3rd, it is used to connect rotor in this built-in motor of the application and the transmission device of chain wheel is additionally used by engagement connection
Worm gear and worm screw form the ring surface enveloped Worm and worm-wheel gearing of Planar Quadratic, it has more preferable transmission stability, more
Low drive noise, bigger gearratio, higher bearing capacity and efficiency.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment is further described to the application：
Fig. 1 is the overall installation diagram of the embodiment of the present application built-in motor；
Fig. 2 is the integrally-built exploded view of the embodiment of the present application built-in motor；
Fig. 3 is the exploded view of the partial structurtes of the embodiment of the present application built-in motor；
Fig. 4 is the front view behind part assembling shown in the embodiment of the present application built-in motor Fig. 3；
Fig. 5 is Fig. 4 A-A to profile；
Fig. 6 is the side view behind part assembling shown in the embodiment of the present application built-in motor Fig. 3；
Fig. 7 is Fig. 6 B-B direction profile；
Fig. 8 is the exploded view of another partial structurtes of the embodiment of the present application built-in motor；
Fig. 9 is the side view behind part assembling shown in the embodiment of the present application built-in motor Fig. 8；
Figure 10 is Fig. 9 C-C to profile；
Figure 11 is the exploded view of the another partial structurtes of the embodiment of the present application built-in motor；
Figure 12 is the exploded view of the embodiment of the present application first rotating shaft；
Figure 13 is the installation diagram of the embodiment of the present application first rotating shaft；
Figure 14 is the embodiment of the present application built-in motor partial structural diagram under low speed rotation pattern；
Figure 15 is the axial view of speed change rotating shaft in Figure 14, and right rectangular frame represents the magnetic on the first speed change pressure ring in figure
Ring, left side rectangle frame represents the magnet ring on the second speed change pressure ring in figure；
Figure 16 is partial structural diagram of the embodiment of the present application built-in motor under middling speed transmission mode；
Figure 17 is the axial view of speed change rotating shaft in Figure 16, and right rectangular frame represents the magnetic on the first speed change pressure ring in figure
Ring, left side rectangle frame represents the magnet ring on the second speed change pressure ring in figure；
Figure 18 is partial structural diagram of the embodiment of the present application built-in motor under high-speed drive pattern；
Figure 19 is the axial view of speed change rotating shaft in Figure 18, and right rectangular frame represents the magnetic on the first speed change pressure ring in figure
Ring, left side rectangle frame represents the magnet ring on the second speed change pressure ring in figure；
Wherein：1- motor housings, 2- rotors, 3- stators, 4- axis, 5- chain wheels, 6- worm gears, 7- worm screws, 8- one-way clutch
Device, the deep groove ball bearings of 9- first, the deep groove ball bearings of 10- second, the taper roll bearings of 11- first, 12- the second taper roller axles
Holding, 13- cranks, 14- stepper motors, 15- driven gears, 16- left sides cover, 17- right sides cover, 18- rides, 19- first rotating shafts,
The rotating shafts of 20- second, the small-diameter gears of 21- first, 22- the first central diameter gears, the large diameter gears of 23- first, the small-diameter gears of 24- second,
25- the second central diameter gears, the large diameter gears of 26- second, 27- freewheel clutches, 28- the first click clutches, the spine of 29- second
Take turns rachet clutch, 30- speed change rotating shafts, 31- magnet steel, 32- the first speed change pressure rings, 33- ratchets stir pin, 34- magnet rings, 35- the
Two speed change pressure rings, the first spacing back-up rings of 36-, the second spacing back-up rings of 37-, 38- first shaft couplings, 39- second shaft couplings, 40-
One pressure ring back-moving spring, 41- the second pressure ring back-moving springs, 42- reaction magnetic rings, 43- hall sensors.
Embodiment
Fig. 1 to Figure 19 shows a preferred embodiment of this built-in motor of the application, identical with transmission built-in motor
, it also includes：Motor housing 1, the rotor 2 and stator 3 being contained in motor housing, rotation are arranged in motor housing
Axis 4, the chain wheel 5 being connected with axis (chain wheel and axis and it is indirect be fastenedly connected, but pass through following one-way clutch and snail
What wheel was indirectly connected with), the transmission device being connected between rotor 2 and chain wheel 5.Reaction magnetic ring 42, motor are fixed on axis 4
Fixed hall sensor 43 corresponding with reaction magnetic ring in shell 1.
During practical application, foot-operated 18 are installed on the both ends connecting crank 13 of axis 4, crank, connection and bicycle on chain wheel 5
The connected chain of rear flywheel, motor housing 1 on the vehicle frame of electric bicycle with being fastenedly connected.
The key improvements of this implementation are, shown in reference picture 1- Fig. 7, above-mentioned transmission device is no longer using traditional simple
Planetary gear speed-reduction drive mechanism, the transmission device include：The Planar Quadratic ring being made up of the worm gear 6 and worm screw 7 of engagement connection
Bread network Worm and worm-wheel gearing.
The ring surface enveloped Worm and worm-wheel gearing of Planar Quadratic is different from common worm-and-wheel gear, and it has more preferable
Transmission stability, lower drive noise, bigger gearratio, higher bearing capacity and efficiency.Lubrication of tooth surface angle is big, dynamic
Formation and the retentivity for pressing oil film are good.
Above-mentioned worm screw 7 directly can be connected with rotor 2, can also be indirectly connected with by corresponding driving member and rotor 2.Snail
Wheel 6 directly can be connected with chain wheel 5, can also be indirectly connected with by corresponding driving member and chain wheel 5.And specifically in the present embodiment
In, foregoing worm screw 7 is indirectly connected with by corresponding driving member and rotor 2, and worm gear 6 is also to pass through corresponding driving member and tooth
What disk 5 was indirectly connected with.
During work, electrical power and rotor driven 2 rotates, rotor is communicated rotational motion to by corresponding transmission parts
Worm screw 7, worm screw 7 drive the worm gear 6 being engaged with to rotate again, and worm gear 6 is rotated by the driving member band movable chain wheel 5 in downstream again, tooth
Disk 5 makes vehicle forward by chain-driving vehicle wheel rotation.
In the present embodiment, axis 4 is actually what is be attached by above-mentioned worm gear 6 with chain wheel 5, specifically：Worm gear 6 is same
Axle sleeve is located at outside axis 4, and is connected with one-way clutch 8 therebetween, while worm gear 6 and chain wheel 5 are coaxially fixed by spline
Connection.It can refer to shown in Fig. 5.
When manpower step on it is foot-operated and when being rotated by crank handle turns axis 4, the reaction magnetic ring on axis 4 rotates, Hall biography
After sensor senses the rotation of reaction magnetic ring, make electric motor starting, bicycle is in assistant mode.Under assistant mode, bicyclist
Pedal force be transferred to chain wheel 5 by foot-operated, crank, axis, one-way clutch and worm gear successively, then by being connected with chain wheel 5
Chain pass to bicycle rear.
Under pure manpower ride mode, bicyclist steps on foot-operated and rotated by crank handle turns axis 4, at one-way clutch 8
In locking state, axis 4 by one-way clutch 8 drive worm gear 6 to rotate (rotation of worm gear 6 can also pass to worm screw 7, only need
Clutch is set to avoid worm screw 7 that the rotary motion is passed into rotor 2 between rotor 2 and worm screw 7), worm gear 6 drives again
Chain wheel 5, chain wheel 5 are rotated by chain-driving bicycle rear, make vehicle forward.
Worm screw 7 is driven in rotor, then is driven by worm screw 7 during worm gear 6 rotates.Because of nibbling for worm screw 7 and worm gear 6
Close cooperation and active force and reaction force be present, can cause worm screw 7 and worm gear 6 can be by the thrust of axial direction.Specifically, exist
In Fig. 5, worm screw 7 can be by thrust to the left, and worm gear 6 can be by perpendicular to facing outside thrust directly.
In view of the above-mentioned problems, the present embodiment coaxially connected the first circular cone rolling being supported in motor housing 1 on worm screw 7
Sub- bearing 11, the second taper roll bearing 12 being supported in motor housing 1 is coaxially connected with worm gear 6.By the first circular cone
The taper roll bearing 12 of roller bearing 11 and second is come the axial thrust of resisting worm screw 7 and worm gear 6 is subject to.Wherein, the first circular cone
The model 30202 of roller bearing 11, the model 32908 of the second taper roll bearing 12.
The specific assembly method of the above-mentioned taper roll bearing 12 of first taper roll bearing 11 and second is as follows：
The bearing inner race coaxial sleeve of first taper roll bearing 11 is outer located at worm screw 7 and fixes company by jump ring and worm screw 7
Connect, the bearing outer ring of the first taper roll bearing 11 is relatively fixed that (the two can directly be fixedly connected, and also may be used with motor housing 1
To be fixed indirectly by transition piece).
The axial end face of worm gear 6 offers the bearing accommodating cavity to be extended internally along the axis direction of worm gear, the second circular cone
The bearing outer ring of roller bearing 12 is embedded in the bearing accommodating cavity and fixed with worm gear 6, the axle of the second taper roll bearing 12
Inner ring is held to be relatively fixed with motor housing 1 (the two can directly be fixedly connected, and can also fix indirectly by transition piece).
In order to ensure the stability of worm screw 7 and worm gear 6 rigging position in motor housing 1, prevent in worm screw 7 and worm gear 6
Produced because of stress crooked into horizontal deflection, the present embodiment is also coaxially connected with first be supported in motor housing 1 on worm screw 7
Deep groove ball bearing 9, while the second deep groove ball bearing 10 being supported in motor housing 1 is coaxially connected with worm gear 6.First is deep
The axially spaced-apart of 9 and first taper roll bearing of ditch ball bearing 11 arrangement, the second deep groove ball bearing 10 and the second taper roll bearing
12 axially spaced-aparts are arranged, so stably support worm screw 7 and worm gear 6.
In view of the slim-lined construction larger for length of worm screw 7, we are by the above-mentioned circular cone of first deep groove ball bearing 9 and first
Roller bearing 11 is connected to the axial both ends on the worm screw 7, so much the better to drip the stabilization that ensure that worm screw rigging position
Property.
Shown in reference picture 1, fixed in order to facilitate installation of the built-in motor on cycle frame, we are also provided with one
Individual motor cover, above-mentioned motor housing 1 is fixed and is contained in the motor cover, and the motor cover by screw lock by being fixed on one
The left side cover 16 and right side cover 17 risen is formed, consequently facilitating collecting of the motor cover to motor housing 1 is fixed.It is formed with motor cover
Multiple motor connection holes, during practical application, the motor locking is fixed on bicycle using the bolt penetrated in motor connection hole
On vehicle frame.
We talk of the transmission device for being used to be connected to rotor 2 and chain wheel 5 in the built-in motor above to be included by worm gear 6
With worm screw 7 form the ring surface enveloped Worm and worm-wheel gearing of Planar Quadratic, and illustrate worm screw 7 by upstream drive part with
Rotor 2 is connected, and worm gear 6 is connected by downstream drive part with chain wheel 5, and further describes the structure shape of downstream drive part
Formula, and the concrete structure of upstream drive part is not described.
It can be appreciated that upstream drive part described above, downstream drive part and the ring surface enveloped worm and gear of Planar Quadratic pass
Motivation structure together constitutes the transmission device for being connected to rotor 2 and chain wheel 5.
Before the concrete structure of the upstream drive part described above to the present embodiment is introduced, we are noted that this
Upstream drive part can use various structure types well known to those of ordinary skill in the art, such as common gear drive knot
Structure, chain are drive mechanism or belt transmission structure etc..
Below, shown in reference picture 8- Figure 19, we in the present embodiment connect the worm screw 7 of rotor 2 upstream drive part knot
Structure describes in detail, and the upstream drive part is the part of the transmission device of above-mentioned connection rotor 2 and chain wheel 5, and it includes
The rotating shaft 20 of first rotating shaft 19 and second of parallel arrangement, first rotating shaft 19 (are specifically rotor by first shaft coupling 38 and rotor 2
Armature spindle) be fixedly and coaxially connected, and the second rotating shaft 20 is fixedly and coaxially connected by second shaft coupling 39 and above-mentioned worm screw 7.The
Axially spaced-apart distribution and the first path that diameter is incremented by successively along the first rotating shaft is coaxially fixedly installed in one rotating shaft 19
Gear 21, the first central diameter gear 22 and the first large diameter gear 23.In this implementation, the first small-diameter gear 21, the first central diameter gear 22
Be integral type structure with the first large diameter gear 23 and first rotating shaft 19, i.e. the first small-diameter gear 21, the first central diameter gear 22 and the
The axle tooth that three diameters that one large diameter gear 23 is formed in first rotating shaft 19 do not wait.More specifically, reference picture 12 and Figure 13
Shown, foregoing first rotating shaft 19 is formed by connecting by three split type shaft part interference fits, the first small-diameter gear 21, the first central diameter
The large diameter gear 23 of gear 22 and first is integrally formed on this three shaft parts respectively.Edge is provided with by rotary sleeve in second rotating shaft 20
Axially spaced-apart distribution and the second small-diameter gear 24 that diameter is incremented by successively of second rotating shaft, the second central diameter gear 25 and the
Two large diameter gears 26.Also, the second central diameter gear 25 and the second rotating shaft 20 are connected by the first click clutch 28, second
The rotating shaft 20 of small-diameter gear 24 and second is connected by the second click clutch 29, the second large diameter gear 26 and the second rotating shaft 20
Connected by freewheel clutch 27.In order to ensure that the second small-diameter gear 24, the second central diameter gear 25 and the second large diameter gear 26 exist
Positional stability in second rotating shaft 20, while improve the first click clutch 28, the and of the second click clutch 29
The service life of freewheel clutch 27, the present embodiment is between the second small-diameter gear 24 and the second rotating shaft 20, the second central diameter gear
25 and second are respectively provided with a spring bearing between rotating shaft 20, between the second large diameter gear 26 and the second rotating shaft 20.The
One small-diameter gear 21 engages connection with the second large diameter gear 26, and passing through the first small-diameter gear 21 during work drives the second large diameter gear
26 rotate, and the two realizes first rotating shaft to the low speed rotation of the second rotating shaft.First central diameter gear 22 is nibbled with the second central diameter gear 25
Connection is closed, drives the second central diameter gear 25 to rotate by the first central diameter gear 22 during work, the two realizes first rotating shaft to second
The middling speed transmission of rotating shaft.First large diameter gear 23 engages connection with the second small-diameter gear 24, passes through the first large diameter gear during work
23 the second small-diameter gears 24 of drive rotate, and the two realizes first rotating shaft to the high-speed drive of the second rotating shaft.And it is additionally provided with one
Individual clutch open/closure controller, by the action of the clutch open/closure controller, it can optionally make first spine
The wheel click clutch 29 of rachet clutch 28 and second is respectively at separation/engagement state.
During work, electrical power and rotor driven 2 rotates, rotor 2 drives the first rotating shaft 19 being attached thereto to rotate again, one
The first small-diameter gear 21, the first central diameter gear 22 and the first large diameter gear 23 that body is fixed in the first rotating shaft 19 are synchronous therewith
Rotate (rotational angular velocity of three is identical), and then drive the second large diameter gear 26, the second central diameter gear 25 and the second path tooth
Take turns 24 engagement rotations.
Under low-speed mode, the first click clutch 28 and second is made by the action of clutch open/closure controller
Click clutch 29 is in released state, only freewheel clutch 27 it is in running order (freewheel clutch 27 not by
The influence of clutch open/closure controller).So the driving torque of the second small-diameter gear 24 and the second central diameter gear 25 will not
The second rotating shaft 20 is passed to, the second small-diameter gear 24 and the second central diameter gear 25 are in the second rotating shaft 20 " skidding ".Only second
The rotation of large diameter gear 26 can synchronously pass to the second rotating shaft 20, and cause the second rotating shaft 20 with the second large diameter gear 26 with identical
Angular speed rotate, the second rotating shaft 20 again passes to its spinning movement worm screw 7, worm gear 6 and the chain wheel 5 in downstream.Realize vehicle
Low speed advance.
Under middle fast mode, connect by the action of clutch open/closure controller be in the first click clutch 28
Conjunction state, the second click clutch 29 is in released state, and (freewheel clutch 27 is not by clutch open/closure controller
Influence).So the driving torque of the second small-diameter gear 24 is not transferred to the second rotating shaft 20, the second small-diameter gear 24 is second
In rotating shaft 20 " skidding ".Because the rotational angular velocity of the second central diameter gear 25 is more than the angular speed of the second large diameter gear 26, in second
Footpath gear 25 drives the second rotating shaft 20 to be rotated with the angular speed faster in the second large diameter gear 26, so the He of the second large diameter gear 26
Freewheel clutch 27 between second rotating shaft 20 is in released state, and the second large diameter gear 26 is also in the second rotating shaft 20
" skidding " state.In this way, only the rotation of the second central diameter gear 25 can synchronously pass to the second rotating shaft 20, the second rotating shaft 20 again will
Its spinning movement passes to worm screw 7, worm gear 6 and the chain wheel 5 in downstream.Realize that the middling speed of vehicle is advanced.
Under fast mode, connect by the action of clutch open/closure controller be in the second click clutch 29
Conjunction state, the first click clutch 28 is in released state, and (freewheel clutch 27 is not by clutch open/closure controller
Influence).So the driving torque of the second central diameter gear 25 is not transferred to the second rotating shaft 20, the second central diameter gear 25 is second
In rotating shaft 20 " skidding ".Similarly, because the rotational angular velocity of the second small-diameter gear 24 is more than the angular speed of the second large diameter gear 26, the
Two small-diameter gears 24 drive the second rotating shaft 20 to be rotated with the speed faster in the second large diameter gear 26, so the second large diameter gear 26
And the second freewheel clutch 27 between rotating shaft 20 is in released state, the second large diameter gear 26 is also in the second rotating shaft 20
" skidding " state.In this way, only the rotation of the second small-diameter gear 24 can synchronously pass to the second rotating shaft 20, the second rotating shaft 20 again will
Its spinning movement passes to worm screw 7, worm gear 6 and the chain wheel 5 in downstream.Realize that the high speed of vehicle is advanced.
Above-mentioned clutch open/closure controller have respectively with the first click clutch 28, the second click clutch
Two drive ends that detent contact in device 29 coordinates, it selectively compresses/unclamped the by the action of the two drive ends
Ratchet in one click clutch 28 and the second click clutch 29, and then make the He of the first click clutch 28
Second click clutch 29 is in separation/engagement state.
More specifically, above-mentioned clutch open/closure controller mainly includes：Two speed change rotating shafts, 30,16 magnet steel 31,
First speed change pressure ring 32 and the second speed change pressure ring 35.
Two speed change rotating shafts 30 are parallel to each other, and be arranged symmetrically in the radially opposite sides of the second rotating shaft 20 and with second turn
Axle 20 is perpendicular, at the same this two speed change rotating shafts 30 be arranged in above-mentioned first click clutch 28 and the second click from
Position between clutch 29.Speed change rotating shaft 30 can move pivotally around own axes.
16 magnet steel 31 are equally divided into four groups, every group four, and two groups of magnet steel 31 are set in each speed change rotating shaft 30.Specifically
Ground, four magnet steel 31 in every group are fixed in speed change rotating shaft 30 and are distributed in a ring around the speed change rotating shaft 30.Wherein three
The N of magnet steel 31 is extremely outwardly disposed, and S poles are arranged inwardly.The N poles of another magnet steel 31 are arranged inwardly, and S is extremely outwardly disposed.
Two groups of magnet steel 31 in every speed change rotating shaft 30 are symmetrical above and below.
First speed change pressure ring 32 is axially displaceably coaxially set in outside the second rotating shaft 20, and it is arranged in speed change rotating shaft
30 and first between click clutch 28, and the first speed change pressure ring 32 is towards that side of the first click clutch 28
It is fixedly installed the ratchet being engaged with the ratchet in the first click clutch 28 and stirs pin 33, the first speed change pressure ring 32
Magnet ring 34 is fixedly installed away from that side of the first click clutch 28, and the N poles of the magnet ring 34 turn towards speed change
Axle 30 is arranged, and S poles are arranged (namely S poles are arranged towards the first click clutch 28) towards the first speed change pressure ring 32.
Second speed change pressure ring 35 is axially displaceably coaxially set in outside the second rotating shaft 20, and it is arranged in speed change rotating shaft
30 and second between click clutch 29, and the second speed change pressure ring 35 is towards that side of the second click clutch 29
It is fixedly installed the ratchet being engaged with the ratchet in the second click clutch 29 and stirs pin 33, the second speed change pressure ring 35
Magnet ring 34 is fixedly installed away from that side of the second click clutch 29, and the N poles of the magnet ring 34 turn towards speed change
Axle 30 arranges, and S poles arrange that (namely S poles are towards the cloth of the second click clutch 29 towards the second click clutch 29
Put).
Under low-speed mode, speed change rotating shaft 30 turns to the state shown in Figure 14 and Figure 15, near in speed change rotating shaft 30
The magnet steel 31 of one speed change pressure ring 32 and the magnet steel 31 near the second speed change pressure ring 35, its N is extremely outwardly disposed, in this way, becoming
On the magnet steel of fast rotating shaft and the first speed change pressure ring 32 and the second speed change pressure ring 35 there is repulsive force in fixed magnet ring 34.Foregoing repulsion
Push dynamic first speed change pressure ring 32 and press to the first click clutch 28, and then the ratchet on the first speed change pressure ring 32 is dialled
Dynamic pin 33 compresses the ratchet stirred in the first click clutch 28 and retracts (ratchet overcomes the elastic force of ratchet spring and retracted),
Ratchet in first click clutch 28 disengages with ratchet, and the first click clutch 28 is in released state.It is foregoing
Repulsive force promotes the second speed change pressure ring 35 to press to the second click clutch 29, and then causes the spine on the second speed change pressure ring 35
Pawl, which is stirred pin 33 and compressed, to be stirred ratchet in the second click clutch 29 and retracts that (ratchet overcomes the elastic force of ratchet spring and contracted
Return), the ratchet in the second click clutch 29 disengages with ratchet, and the second click clutch 29 is in released state.
Under middle fast mode, speed change rotating shaft 30 turns to the state shown in Figure 16 and Figure 17.Near in speed change rotating shaft 30
The S of the magnet steel 31 of one speed change pressure ring 32 is extremely outwardly disposed, and it has attraction between the magnet ring 34 on the first speed change pressure ring 32.
Foregoing attraction pulls the first speed change pressure ring 32 to be moved away from the first click clutch 28, and causes the first speed change pressure ring 32
On ratchet stir pin 33 and separated with the ratchet in the first click clutch 28, the spine in the first click clutch 28
Pawl is normally ejected in the presence of ratchet elastic force and coordinated with ratchet, and the first click clutch 28 is in engagement state.Become
N in fast rotating shaft 30 near the magnet steel 31 of the second speed change pressure ring 35 is extremely outwardly disposed, itself and the magnetic on the second speed change pressure ring 35
Repulsive force be present between ring 34.Foregoing repulsive force promotes the second speed change pressure ring 35 to press to the second click clutch 29, and then
So that the ratchet on the second speed change pressure ring 35 stirs pin 33 and stirs ratchet in the second click clutch 29 and retracts (ratchet gram
Take the elastic force of ratchet spring and retract), the ratchet in the second click clutch 29 disengages with ratchet, the second click from
Clutch 29 is in released state.
Under fast mode, speed change rotating shaft 30 turns to the state shown in Figure 18 and Figure 19.Near in speed change rotating shaft 30
The S of the magnet steel 31 of two speed change pressure rings 35 is extremely outwardly disposed, and it has attraction between the magnet ring 34 on the second speed change pressure ring.Before
Stating attraction pulls the second speed change pressure ring to be moved away from the second click clutch 29, and causes the spine on the second speed change pressure ring
Pawl is stirred pin 33 and separated with the ratchet in the second click clutch 29, and the ratchet in the second click clutch 29 is in spine
Normally eject in the presence of pawl elastic force and coordinate with ratchet, the second click clutch 29 is in engagement state.Speed change rotating shaft
N on 30 near the magnet steel 31 of the first speed change pressure ring 32 is extremely outwardly disposed, itself and the magnet ring 34 on the first speed change pressure ring 32 it
Between repulsive force be present.Foregoing repulsive force promotes the first speed change pressure ring 32 to press to the first click clutch 28, and then causes the
Ratchet on one speed change pressure ring 32, which stirs pin 33 and stirs ratchet in the first click clutch 28, retracts that (ratchet overcomes ratchet
The elastic force of spring and retract), the ratchet of the first click clutch 28 disengages with ratchet, at the first click clutch 28
In released state.
In order to ensure repulsive force and suction of the upper magnetic steel of speed change rotating shaft 30 to the first speed change pressure ring 32 and the second speed change pressure ring 35
Gravitation is sufficiently large, is preferably arranged in the second small-diameter gear 24 and the second central diameter gear 25 close to arrangement, the second large diameter gear 26
The most end of these three gears (the second small-diameter gear 24, the second central diameter gear 25 and the second large diameter gear 26), namely it is second largest
Footpath gear 26 had better not be arranged in the position between the second small-diameter gear 24 and the second central diameter gear 25.
It is not difficult to find out, two drive ends of clutch open/closure controller described above, respectively the first speed change pressure ring
The ratchet that ratchet on 32 is stirred on the speed change pressure ring 35 of pin 33 and second stirs pin 33.
In addition, the present embodiment is arranged with one outside the second rotating shaft 20 is clipped in the first speed change pressure ring 32 and the first click
The first pressure ring back-moving spring 40 between clutch 28, while be arranged with one outside the second rotating shaft 20 and be clipped in the second speed change pressure ring
35 and second the second pressure ring back-moving spring 41 between click clutch 29.So as to the first speed change pressure ring 32 and the second speed change
Pressure ring 35 when by foregoing magnetic attraction (or when not by magneticaction), can be under the elastic force effect of back-moving spring to change
The movement of the fast direction of rotating shaft 30 so that ratchet thereon, which stirs pin 33, departs from wheel rachet clutch, make the first click from
The click clutch 29 of clutch 28 or second is in engagement state.It can be seen that back-moving spring and above-mentioned magnetic repulsion are made jointly
With to drive speed change pressure ring away from wheel rachet clutch movement.
It can also be provided that one, three or four etc., why the present embodiment sets two for above-mentioned speed change rotating shaft 30, and
Four groups of totally eight magnet steel are set in every speed change rotating shaft 30, are to ensure that the upper magnetic steel of speed change rotating shaft 30 damages upper magnetic by pressure to speed change
Repulsive force caused by ring or attraction have symmetry.In some other embodiments of the application, in every speed change rotating shaft 30
The magnet steel 31 of one group of said structure can also be only set.
In addition, in order to prevent the first speed change pressure ring 32 and the second speed change pressure ring 35 from touching speed change under magnetic attraction effect
Rotating shaft 30, and disturb the rotation of speed change rotating shaft 30.The present embodiment fixed cover in the second rotating shaft 20 is provided with：Positioned at speed change rotating shaft 30
And first the first spacing back-up ring 36 between speed change pressure ring 32, second between the speed change pressure ring 35 of speed change rotating shaft 30 and second
Spacing back-up ring 37.To be utilized respectively the foregoing first spacing 36 and second spacing back-up ring 37 of back-up ring by the first speed change pressure ring 32 and second
Speed change pressure ring 35 is kept off outside speed change rotating shaft 30.
In addition, above-mentioned second small-diameter gear 24, the second central diameter gear 25 and the second large diameter gear 26 are nylon gear, such as
This can substantially reduce above-mentioned first small-diameter gear 21, the first central diameter gear 22 and the first large diameter gear 23 and the second large diameter gear
26th, caused noise during the second central diameter gear 25 and the engaged transmission of the second small-diameter gear 24, realizes Jing Yin transmission substantially.The
One rotating shaft 19 and the first small-diameter gear 21, the first central diameter gear 22 and the first large diameter gear 23 thereon are steel.
Such as Figure 11, the rotation of above-mentioned speed change rotating shaft 30 can also pass through setting by setting corresponding circuit to realize
Full mechanical transmission component and fully rely on manpower realization.Specifically in the present embodiment, the rotation of the speed change rotating shaft 30 is micro- by one
The stepper motor 14 of type drives, and the output shaft of the stepper motor 14 is fixedly connected with a driving gear, in two speed change rotating shafts 30 point
A driven gear 15 is not fixed coaxially, foregoing driving gear engages simultaneously with the two driven gears 15, to drive two speed changes to turn
The synchronous axial system of axle 30, the control circuit of small type stepping motor 14 are integrated into the master controller of the built-in motor, during practical application
The master controller in handlebar instrument connect, manipulation and its conveniently.
The technical scheme of the application is more easily understood in order to facilitate reader, we are by the connecting worm of above-mentioned this structure
7 and the upstream drive part of rotor 2 be referred to as three gears (at a high speed, middling speed and low speed) gear shift.
It will be apparent to those skilled in the art that in some other embodiments of the application, above-mentioned Planar Quadratic
The upstream end of ring surface enveloped Worm and worm-wheel gearing (worm gear 6 and worm screw 7) can also set the driving members of other forms to connect
Switch through son 2 and worm screw 7, it is not limited to this three gears gear shift described in the present embodiment.Equally, for this
For art personnel, in other embodiments of the application, the downstream of above-mentioned three gears gear shift also may be used
The chain wheel 5 of the second rotating shaft 20 is connected to set the driving member of other forms, it is not limited to this described in the present embodiment
The kind ring surface enveloped Worm and worm-wheel gearing of Planar Quadratic.
Above-described embodiment is only the technical concepts and features for illustrating the application, and its object is to allow people to understand this Shen
Content please is simultaneously implemented according to this, and the protection domain of the application can not be limited with this.It is all according to the application main technical schemes
The equivalent transformation or modification that Spirit Essence is done, should all cover within the protection domain of the application.
Claims (10)
1. a kind of built-in motor, including：
Motor housing (1)；
The rotor (2) and stator (3) being contained in the motor housing；
Rotation is arranged in the axis (4) in the motor housing；
The chain wheel (5) being connected with the axis；And
The transmission device being connected between the rotor (2) and chain wheel (5)；
Characterized in that, the transmission device includes：
The first rotating shaft (19) of parallel arrangement and the second rotating shaft (20), the first rotating shaft (19) connect with the rotor (2) transmission
Connect, second rotating shaft (20) is connected with the chain wheel (5)；
Coaxially it is fixed on the first small-diameter gear (21), the first central diameter gear that in the first rotating shaft (19) and diameter is incremented by successively
And the first large diameter gear (23) (22)；
Rotary sleeve is located at the second small-diameter gear (24) that on second rotating shaft (20) and diameter is incremented by successively, the second central diameter gear
(25) and the second large diameter gear (26), second small-diameter gear (24) engage connection, institute with first large diameter gear (23)
State the second central diameter gear (25) and engage connection with the first central diameter gear (22), second large diameter gear (26) and described the
One small-diameter gear (21) connects；
Connect the freewheel clutch (27) of second large diameter gear (26) and second rotating shaft (20)；
Connect the first click clutch (28) of the second central diameter gear (25) and second rotating shaft (20)；
Connect the second click clutch (29) of second small-diameter gear (24) and second rotating shaft (20)；And
Clutch open/closure controller, by means of the action of the clutch open/closure controller, it can optionally make described
One click clutch and the second click clutch are in separation/engagement state.
2. built-in motor according to claim 1, it is characterised in that the rotor (2) passes through shaft coupling and described first
Rotating shaft (19) is fixedly and coaxially connected.
3. built-in motor according to claim 1, it is characterised in that the clutch open/closure controller have respectively with
Two drivings that detent contact in the first click clutch (28) and the second click clutch (29) coordinates
End, it is selectively compressed/unclamped the first click clutch (28) and second by the action of the two drive ends
Ratchet in click clutch (29), and then make the first click clutch (28) and the second click clutch
Device (29) is in separation/engagement state.
4. built-in motor according to claim 3, it is characterised in that the clutch open/closure controller includes：
It can allow and make the speed change rotating shaft (30) that moves pivotally around own axes, it is arranged in the first click clutch (28)
And second between click clutch (29)；
At least one set of magnet steel (31), every group is made up of four magnet steel (31), and four in every group magnet steel (31) is solid in a ring
Due to the periphery of the speed change rotating shaft (30), wherein the N of three magnet steel (31) is extremely outwardly disposed, and S poles are arranged inwardly；Other one
The N poles of individual magnet steel (31) are arranged inwardly, and S is extremely outwardly disposed；
First speed change pressure ring (32), it is axially displaceably set in second rotating shaft (20) outside, and the first change ram compression
Ring (32) is arranged between the speed change rotating shaft (30) and the first click clutch (28), the first speed change pressure ring (32) court
It is fixedly installed and the ratchet phase in the first click clutch (28) to that side of the first click clutch
The ratchet of cooperation stirs pin (33), and the first speed change pressure ring (32) deviates from that side of the first click clutch (28)
The first magnet ring is fixedly installed, and the N poles of first magnet ring are arranged towards speed change rotating shaft, and S poles the first speed change pressure ring of direction
Arrangement；And
Second speed change pressure ring (35), it is axially displaceably coaxially set in second rotating shaft (30) outside, and second change
Ram compression ring (35) is arranged between the speed change rotating shaft (30) and the second click clutch (29), the second change ram compression
Ring (35) is fixedly installed and the second click clutch towards that side of the second click clutch (29)
(29) ratchet that the ratchet in is engaged stirs pin, and the second speed change pressure ring (35) is away from the second click clutch (29)
That side is fixedly installed the second magnet ring, and the N poles of second magnet ring are arranged towards speed change rotating shaft, and S poles become towards second
Ram compression ring is arranged.
5. built-in motor according to claim 4, it is characterised in that second small-diameter gear (24) and the second central diameter tooth
(25) are taken turns close to arrangement.
6. built-in motor according to claim 4, it is characterised in that be arranged with outside second rotating shaft (20) described in being clipped in
The first pressure ring back-moving spring (40) between first speed change pressure ring (32) and the first click clutch (28), described second turn
Axle (20) is also arranged with the second pressure ring being clipped between the second speed change pressure ring (35) and the second click clutch (29) and answered outside
Position spring (41).
7. built-in motor according to claim 4, it is characterised in that the speed change rotating shaft (30) is provided with two altogether, this
Two speed change rotating shafts (30) are parallel to each other and are arranged symmetrically in the radially opposite sides of second rotating shaft (20), while this two become
Fast rotating shaft (30) is each perpendicular to the second rotating shaft (20) arrangement；The magnet steel (31) sets four groups altogether, and the every speed change turns
Magnet steel (31) described in two groups are respectively arranged with axle (30).
8. built-in motor according to claim 7, it is characterised in that also including a stepper motor (14), the stepper motor
Output shaft be fixedly connected with a driving gear, coaxially fix a driven gear (15) respectively on two speed change rotating shafts (30),
The driving gear and the two driven gears (15) while engage are connected.
9. built-in motor according to claim 1, it is characterised in that the transmission device is also included by the snail of engagement connection
The ring surface enveloped Worm and worm-wheel gearing of Planar Quadratic of (6) and worm screw (7) composition is taken turns, second rotating shaft (20) passes through shaft coupling
Device is fixedly and coaxially connected with the worm screw (7), and the worm gear (6) is fixedly and coaxially connected with the chain wheel (5), the worm gear (6)
Coaxially it is set in the axis (4) outside, and one-way clutch (8) is connected between the worm gear (6) and the axis (4).
10. a kind of electric bicycle, including vehicle frame, it is characterised in that be fixedly mounted on the vehicle frame just like in claim 1-9
Any described built-in motor, the motor housing (1) fasten with the vehicle frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720365083.3U CN206727820U (en) | 2017-04-07 | 2017-04-07 | A kind of built-in motor and the electric bicycle for configuring the built-in motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720365083.3U CN206727820U (en) | 2017-04-07 | 2017-04-07 | A kind of built-in motor and the electric bicycle for configuring the built-in motor |
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| Publication Number | Publication Date |
|---|---|
| CN206727820U true CN206727820U (en) | 2017-12-08 |
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| CN201720365083.3U Active CN206727820U (en) | 2017-04-07 | 2017-04-07 | A kind of built-in motor and the electric bicycle for configuring the built-in motor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972693A (en) * | 2017-04-07 | 2017-07-21 | 黄善劲 | A kind of built-in motor and the electric bicycle for configuring the built-in motor |
| CN109763716A (en) * | 2019-03-13 | 2019-05-17 | 宁波瑞奥物联技术股份有限公司 | A kind of limitation locking structure and hasp electronic lock |
| CN113460212A (en) * | 2021-06-10 | 2021-10-01 | 浙江夏厦精密制造股份有限公司 | Driving part of electric power-assisted bicycle |
-
2017
- 2017-04-07 CN CN201720365083.3U patent/CN206727820U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972693A (en) * | 2017-04-07 | 2017-07-21 | 黄善劲 | A kind of built-in motor and the electric bicycle for configuring the built-in motor |
| CN106972693B (en) * | 2017-04-07 | 2024-04-05 | 黄善劲 | In put motor and dispose electric bicycle of this in motor |
| CN109763716A (en) * | 2019-03-13 | 2019-05-17 | 宁波瑞奥物联技术股份有限公司 | A kind of limitation locking structure and hasp electronic lock |
| CN113460212A (en) * | 2021-06-10 | 2021-10-01 | 浙江夏厦精密制造股份有限公司 | Driving part of electric power-assisted bicycle |
| CN113460212B (en) * | 2021-06-10 | 2022-12-16 | 浙江夏厦精密制造股份有限公司 | Driving part of electric power-assisted bicycle |
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