CN107559385A - Hub type motor reductor - Google Patents
Hub type motor reductor Download PDFInfo
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- CN107559385A CN107559385A CN201610513791.7A CN201610513791A CN107559385A CN 107559385 A CN107559385 A CN 107559385A CN 201610513791 A CN201610513791 A CN 201610513791A CN 107559385 A CN107559385 A CN 107559385A
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Abstract
The present invention provides a kind of hub type motor reductor, it is included in the epicyclic train that configuration one in a casing is located at periphery positioned at the motor of internal layer and one, particularly the motor rotor is combined into a ring-shaped rotor with the planetary gearsets, the planetary gear is included at least one planetary gearsets synchronously to be revolved round the sun with motor rotor and is surround respectively and nibble a fixed annulus ring and an another movable internal gear ring as output for tactile planetary gearsets；Driving the planetary gearsets to revolve round the sun and can lead to hold via fixed annulus ring when ring-shaped rotor rotates makes planetary gearsets rotation, and then drive movable internal gear ring to slow down and export, it is only capable of exporting limited speed reducing ratio to improve conventional boss motor reducer, and the problem of configured in one piece space and volume are difficult to effectively reduce.
Description
Technical field
The present invention relates to the combination technique of motor and gear reduction, a kind of particularly relevant hub type motor reductor.
Background technology
Motor reducer (geared motor) is that one kind combines electro-motor and gear reduction, or non-The gear deceleration
The integral type power drive unit that machine forms.General motor is in the case of same drive voltage, to there is the high torsion of the slow-speed of revolution defeated
Go out, volume generally can all compare larger, and cost of manufacture is also high, if the low torsion output of high rotating speed, then volume is generally all
Can be relatively small, and cost of manufacture is also low, and motor reducer allows motor to lead in the case of the low torsion of high rotating speed is generated
Cross reductor and be converted into the high torsion of the slow-speed of revolution, larger torsion output is provided under relatively small volume, and be assembled in carrier wheel
Hub motor on son also has same characteristic.
Traditional hub type motor be designed with it is interior it is rotatable also have outward rotation type, because the use system of wheel hub surround a fixing axle revolve
Turn, if using interior rotatable motor, in spite of there is reductor, motor periphery stator must be fixed on a pedestal, then will
The kinetic energy of rotor by the mechanism of complications first to extending sideways, then to radiation direction to external expansion, then affixed with wheel frame, it is seen that its
Institutional arrangement is extremely complex.So the occupation mode of hub motor is preferable with outward rotation type, such a occupation mode is visible to be disclosed in example
U.S. Patent Bulletin the 6286616th, 6580188 in this way, and the patent document such as European Patent Publication the EP1137154th
In, its common teaching applies hub motor in serving as power-assisted device on bicycle, in order to mitigate body when rider tramples
Power load, but above-mentioned patent does not have reductor, and so relatively large sized, rotary inertia is also big, is unfavorable for rider
Manipulation, motor cost of manufacture are also high.
U.S. Patent Bulletin the 3812928th, 7357743,7472770 and TaiWan, China patent announcement the 501330th
Patent document teaches a kind of curve outward type motor and hub motor reductor (the Hub geared of reductor is concatenated to side
Motor), although this mode can reduce radial dimension, axial dimension is significantly increased, and has been limited for axial length
For bicycle or locomotive, and it is improper.
In addition, No. 8245804 patent document of U.S. Patent Bulletin teaches a kind of curve outward type motor, it is in stator inner edge one
Side configures a central gear, and opposite side configuration internal tooth torus, internal tooth torus and hub shell are fixed, and in stator base connecting plate
Upper group sets idle pulley, and central gear is nibbled tactile with idle pulley respectively with internal tooth torus, and can reach rotor kinetic energy in stator by side plate
The central gear of side, then by idle pulley reach internal tooth torus and the hub shell that arrives, although its axial dimension can significantly reduce,
Its rotor opposite side but must large-sized thrust bearing shield and sustain, its machining accuracy is very high, and cost of manufacture is very expensive, group
Fill extremely difficult.In addition, the internal tooth torus number of teeth and central gear number of teeth difference are little, speed reducing ratio very little.
The content of the invention
In view of this, the purpose of the present invention aims to provide a kind of hub type motor reductor, and particularly one kind is outside motor
A kind of design that reductor is set is enclosed, to improve conventional boss motor reducer, its configured in one piece space and volume are difficult to have
The problem of effect reduction, particularly axially the problem of length reduction, and machining accuracy is too high, and cost is too expensive, speed reducing ratio deficiency
Problem.
To achieve these goals and solves problem, the present invention provides a kind of preferred embodiment, and its technological means includes：Tool
There is a hub shell as power output, be configured at one as in the support shaft of fixing end, the interior configuration of the hub shell includes：
One motor and an epicyclic train；The motor, which has, is located at the casing innermost layer and a stator affixed with support shaft, the stator
On be configured with multiple enamel-cover line windings, and around stator and by the motor rotor of stator driving；The planetary gear includes：At least one
Planetary gearsets, and it is respectively arranged at the fixed annulus ring and a movable internal gear ring of planetary gearsets outer rim, the activity
Internal tooth torus can be unidirectional or two-way interlocked with hub shell；Wherein：The planetary gearsets are combined into an annular with motor rotor
Rotor, the planetary gearsets are configured at the periphery of the motor rotor at equal intervals respectively, and the planetary gearsets have concentric respectively
It is pivotally connected and one first planetary gear and one second planetary gear of tandem, first planetary gear is engaged in fixed annulus
Ring, second planetary gear are engaged in movable internal gear ring：First planetary gear is identical with the second planetary number of teeth, should
The number of teeth of fixed annulus ring and movable internal gear ring differs, and the number of teeth of the fixed annulus ring and movable internal gear ring is poor
For the integral multiple of planetary gear quantity.According to this, the motor rotor can drive first planetary gear synchronous with the second planetary gear
Rotation and the support shaft that detours revolution, and then drive movable internal gear ring to produce output of slowing down together with hub shell.
In above-described embodiment, the motor particularly relates to a kind of external rotary DC brushless motor (out runner
brushless direct current motor).The stator is by multiple-grooved magnetic conduction steel disc heap with sequentially winding in the paint in groove
Envelope curve winding combination is formed, and sequentially enamel-cover line winding is powered by controller and power-supply unit；Motor rotor is surrounded on this
Stator peripheral, combined by permanent magnet, magnet ring seat；The magnetic line of force caused by permanent magnet and the electric current of enamel-cover line winding
Interacted according to Ampere's law, you can promote motor rotor rotation, this general knowledge that should be understood that for known motor principle person.
In above-described embodiment, further, in addition to：
The planetary gearsets are incorporated into a ring-shaped rotor with the motor rotor via two carrying side plates.
The number of teeth of the fixed annulus ring and movable internal gear ring differs.Further, the fixed annulus ring and work
The number of teeth difference of dynamic internal tooth torus is identical with planetary gear quantity.
First planetary gear differs with the second planetary modulus, the fixed annulus ring and the first planetary gear
Modulus is identical, and the movable internal gear ring is identical with the second planetary gear modulus.
Interacted respectively between the fixed annulus ring group and support shaft and to form multiple tooth-like parts and mutually rabbet and fix.
The planetary gearsets are configured between described two carrying side plates, and the carrying side plate is positioned in the planetary gearsets
Each first planetary gear it is synchronous with each second planetary gear with motor rotor detour support shaft revolution.Wherein, the planetary gearsets
In the first planetary gear and the second planetary gear be coaxially articulated in a planetary gear shaft, it is described two carrying side plates cards
The both-end for providing the branched planetary gear shaft is fixed at equal intervals.
Described two carrying side plates have a centre bore respectively, the ring-shaped rotor via configured in described two centre bores to
A few bearing and be pivotally connected with support shaft, the ring-shaped rotor simultaneously detours support shaft and rotated.
The movable internal gear ring is fixed in hub shell, and the movable internal gear ring can turn and turn counterclockwise clockwise two-way
Interlock hub shell.
The movable internal gear ring is connected via ratchet with hub shell, and the movable internal gear ring can turn or counterclockwise clockwise
The unidirectional gearing hub shell turned.
According to the above embodiment of the present invention, its technical intention and effect are：First, will be more by two carrying side plates
Individual planetary gearsets are combined into a ring-shaped rotor with motor rotor；Second, epicyclic train of the invention does not have traditional row
The central gear of star gear train, but a more internal tooth torus, so possess two internal tooth torus, and by one of internal gear
Ring is used as output, and two internal tooth torus are configured at into ring-like rotor periphery；3rd, because the speed reducing ratio of the present invention is from work
The ratio of the dynamic internal tooth torus number of teeth and two internal tooth torus number of teeth differences, internal tooth torus is again the most tooth of the number of teeth in epicyclic train
Wheel.Under being oppositely disposed herein, speed reducing ratio can be significantly increased in the useful space, and then the configured in one piece for reducing motor reducer is empty
Between and volume, especially axial dimension even more significantly shorten.
In addition, the relevant present invention is available for the relevant technical details implemented according to this, by follow-up embodiment and figure
It is illustrated by formula.
Brief description of the drawings
Fig. 1 is the three-dimensional exploded view of an embodiment of the present invention.
Fig. 2 is the front view after Fig. 1 groups are stood.
Fig. 3 is the sectional view of A-A sections in Fig. 3.
Fig. 4 is ring-shaped rotor cross-section cutaway view of the present invention.
Fig. 5 is the part isometric exploded view of another embodiment of the present invention.
Fig. 6 is Fig. 5 cross-section cutaway view.
Fig. 7 is the front view of ratchet group in Fig. 6.
Fig. 8 is Fig. 7 counterclockwise motion view.
Fig. 9 is Fig. 7 clockwise motion view.
Description of reference numerals：10th, 100 hub shell；11 first caps；11a through holes；11b rivet holes；12 second caps；
12a through holes；12b, 12c rivet hole；13rd, 130 girdle；13a flanges；13b rivet holes；14 accommodation chambers；15 bearings；20 motors；21
Ring-shaped rotor；22 motor rotors；22a permanent magnets；22b magnet ring seats；22c screws；23 stators；24 load-carrying rings；24a through holes；
24b axis holes；24c centre bores；25 screws；26 bearings；30 epicyclic trains；31 fixed annulus ring groups；31a fixed annulus
Ring；31b disks；31c tooth-like parts；32nd, 320 movable internal gear ring；32a rivet holes；33 planetary gearsets；33a the first planet teeth
Wheel；The planetary gears of 33b second；34 planetary gear shafts；35 bearings；40 support shafts；40a tooth-like parts；50 rivets；60 ratchet groups；61
Ratchet；61a ratchets；61b forced sections；61c is suitable to lead portion；62 pawl bases；63 shell fragment seats；64 ratchets；64a withstanding parts；65 elasticity members
Part.
Embodiment
First, please refer to Fig. 1 to Fig. 3, the configuration detail of the first preferred embodiment of the invention is disclosed, illustrates this hair
Bright provided hub type motor reductor, its structure composition include a hub shell 10, a motor 20, an epicyclic train
30 and a support shaft 40.
Support shaft 40 is fixed on the pedestal (figure is not shown) of outside carrier, the fixing end as hub motor reductor.
By Fig. 1 and Fig. 3 it is visible know the hub shell 10 be by the first cap 11, the second cap 12 and girdle 13 with respect to riveting split and
Into making hub shell 10 be internally formed an accommodation chamber 14, to coat and house motor 20 and epicyclic train 30.First cap
Also shape relatively on 11 and most of each self-forming of the end face outer rim of the second cap 12 rivet hole 11b, 12b, 13 liang of side flange 13a of girdle
Into rivet hole 13b, the first cap 11, the second cap 12 are with girdle 13 by the riveting of rivet 50 composition hub shell 10；First cap
11st, each self-forming one through hole 11a, 12a in the center of the second cap 12, and be articulated in by bearing 15 in support shaft 40, make wheel hub machine
Shell 10 obtains firm support.
Said motor 20 is an outward rotation type brushless motor on implementing, and is the power source of hub motor reductor.Motor 20
Composition includes a stator 23 of inner ring, and the motor rotor 22 around stator 23；The stator 23 and support shaft 40 are affixed, should
Motor rotor 22 is held by the carrying side plate 24 of both sides two and is pivotally connected with support shaft 40, after other functions appearance of two carrying side plates 24
It is described in detail.The internal layer of motor rotor 22 is configured with permanent magnet 22a, extremely right comprising an at least N poles and a S extremely formed one, its N pole
A ring-type is adjacent into S poles and is close to be fixed on magnet ring seat 22b inside diameter surfaces.The stator 23 by multiple-grooved magnetic conduction steel disc
Heap forms (figure is not shown) with enamel-covered wire winding combination, and receives controller and power supply unit according to certain logic sequentially to enamel-cover
Line winding is powered.According to Ampere's law, enamel-cover line winding in said stator through be powered with the effect of the permanent magnet 22a magnetic line of force and
Drive motor rotor 22 produces rotary motion, to generate the power source of motor 20.
The above-mentioned each self-forming majority screw 22c in magnet ring seat 22b both sides, the corresponding section shape of carrying side plate 24 positioned at both sides
Into most through hole 24a, by screw 25 by magnet ring seat 22b together with the spiral shell group of carrying side plate 24 of both sides.
The configuration detail of above-mentioned epicyclic train 30 is known by being also shown in Fig. 1 and Fig. 3, the epicyclic train 30 includes one
Fixed annulus ring 31a, a movable internal gear ring 32 and an at least planetary gearsets 33 (can be multiple).
The above-mentioned end face of movable internal gear ring 32 forms most rivet hole 32a, and the corresponding section of the second cap 12 also forms majority
Rivet hole 12c, movable internal gear ring 32 is fixed by caulking on the second cap 12 by rivet 50, therefore, works as movable internal gear
Meeting synchronous drive hub shell 10 rotates when ring 32 rotates.Above-mentioned fixed annulus ring 31a, it is fixed on branch by a disk 31b
On the peripheral surface for supportting axle 40；In implementation, formed with a tooth-like part 40a, disk 31b centers on the peripheral surface of support shaft 40
Relative to form a tooth-like part 31c, both connect fixed and integral by tooth-like part 40a and 31c axles.And fixed annulus ring 31a,
Disk 31b, tooth-like part 31c, which can be integrally machined, is molded with fixed annulus ring group 31.
Above-mentioned planetary gearsets 33 can be 5 groups on implementing, and be configured at the movable internal tooth in a manner of at equal intervals respectively
Torus 32 and fixed annulus ring 31a inner edge；The mode at equal intervals, it is configured at using two carrying side plates 24 in implementation
The bilateral of the multiple planetary gearsets 33, the multiple planetary gearsets 33 are positioned by two described carrying side plates 24
Interval is configured at the inner edge of movable internal gear ring 32 and fixed annulus ring 31a in a manner of the identical arc distance of equal circumference.
Above-mentioned each planetary gearsets 33 all include one first planetary gear 33a and one second planetary gear 33b and tandem
Integrally；One planetary gear shaft 34 is arranged in the center of planetary gearsets 33, and a bearing 35 is sheathed on the planetary gear shaft 34 and row
Mutually it is pivotally connected between star gear train 33, and equally spaced offer is equal to planet in the card of described two carrying side plates 24
The axis hole 24b of the quantity of gear train 33, it is fixed in axis hole 24b providing the both-end of the planetary gear shaft 34 and forms at equal intervals
One component.
As it was previously stated, Fig. 4 please be coordinate again, illustrate to work as screw 25 by magnet ring seat 22b and the spiral shell group of the carrying side plate of both sides 24
When together, the multiple planetary gearsets 33 are positioned by two described carrying side plates 24, and rely on magnet ring seat 22b
Two carrying side plates 24 are separated with appropriately distance, make planetary gearsets 33 it is not clamped be positioned at two carrying side plates 24 it
Between, and can be rotated freely under the support of planetary gear shaft 34.So and by motor rotor 22, multiple planetary gearsets 33, planet
Gear shaft 34, bearing 35 etc. receive two carrying side plates 24 and support and position and form a ring-shaped rotor 21.In addition, carrying side plate
24 are centrally formed a centre bore 24c, and are articulated in support shaft 40 by bearing 26, and can make ring-shaped rotor 21 in support shaft 40
Stable rotation.According to this, multiple planetary gearsets 33 support shaft 40 that just can synchronously be detoured with ring-shaped rotor revolves round the sun.
Further, as shown in figure 3, the first planetary gear 33a nibbled with fixed annulus ring 31a phases it is tactile, and second
Planetary gear 33b is simultaneously nibbled tactile with the phase of movable internal gear ring 32 so that when ring-shaped rotor 21 rotates, the first planetary gear 33a energy
Hard to bear fixed annulus ring 31a guiding and rotation, and follow the synchronous revolution of ring-shaped rotor 21 so that follow the first planetary gear
The second planetary gear 33b drivings internal tooth torus 32 living that 33a is rotated is rotated in deceleration with specific speed reducing ratio.
Design according to this, epicyclic train 30 of the present invention eliminates conventional planetary gear reductor with a central gear, one
Central gear in planetary gearsets and an internal tooth torus three, and add an internal tooth torus.Moreover conventional planetary gear subtracts
Fast machine can only extend on arrangement space toward motor side, and two internal tooth torus of the present invention can be arranged in motor periphery,
The space of hub motor reductor is effectively reduced.
In addition, fixed annulus ring 31a further can be configured upper different tooth by the present invention from movable internal gear ring 32
Number；In other words, fixed annulus ring 31a has the A numbers of teeth, and movable internal gear ring 32 has the B numbers of teeth, and the A numbers of teeth ≠ B numbers of teeth.
Furthermore the present invention can also be further by the first row of above-mentioned synchronous axial system (being revolved round the sun comprising rotation and the support shaft 40 that detours)
Moduluses different from the second planetary gear 33b configurations star gear 33a；In other words, the first planetary gear 33a has X moduluses,
Second planetary gear 33b has Y moduluses, and X moduluses ≠ Y moduluses；But the first planetary gear 33a and the second planetary gear 33b teeth
Number is identical.Because fixed annulus ring 31a and the first planetary gear 33a nibble it is tactile, so fixed annulus ring 31a also has X moduluses,
Movable internal gear ring 32 and the second planetary gear 33b nibble it is tactile, so movable internal gear ring 32 also has Y moduluses.
According to above-mentioned configuration detail, turn when the enamel-cover line winding on the stator 23 of motor 20 sequentially passes to electric current drive motor
Son 22 rotates synchronous drive ring-shaped rotor 21 when rotating, and the planetary gearsets 33 positioned at the periphery of ring-shaped rotor 21 also synchronously detour
Support shaft 40 is revolved round the sun, and multiple first planetary gear 33a with X moduluses are led because nibbling tactile with fixed annulus ring 31a
Leader tape moves rotation, because the first planetary gear 33a and the second planetary gear 33b is coaxial integral tandem configuration, therefore when first
When planetary gear 33a is driven, the second planetary gear 33b just can with the first planetary gear 33a synchronous axial systems (comprising rotation and around
Row support shaft 40 revolves round the sun).During output of slowing down is transmitted, nibbled by multiple first planetary gear 33a with X moduluses tactile
Fixed annulus ring 31a with the A numbers of teeth, and by multiple second planetary gear 33b with Y moduluses nibble tactile transmission with
The movable internal gear ring 32 of the B numbers of teeth；Wherein, because fixed annulus ring 31a has been fixed in support shaft 40 without rotating,
Therefore there is the movable internal gear ring 32 of the B numbers of teeth because the number of teeth is different from fixed annulus ring 31a numbers of teeth A, drive movable internal gear
Ring 32 is so that specific speed reducing ratio rotates and drives hub shell 10 to slow down and exports, to be supplied with the equipment use for reducing speed demand,
Such as wheel of carrier etc..Moreover, the present invention can also obtain the output of final speed reducing ratio according to following formula：
In addition, the present invention can also change the connected mode of movable internal gear ring and hub shell, it is changed to single with ratchet group 60
To the mode of gearing, please refer to shown in Fig. 5 to Fig. 7, it is seen that know its configuration detail and include：One ratchet 61, is shaped in work
The dynamic outer rim of internal tooth torus 320, formed with a plurality of ratchet 61a on ratchet 61, ratchet 61a one sides are forced section 61b, and another side is
It is suitable to lead portion 61c；One pawl base 62, it is formed at one inner edge of girdle 130 of the element of hub shell 100；One shell fragment seat 63, shape
Into in the nearside of pawl base 62；One ratchet 64, is seated on pawl base 62；One flexible member 65, is seated on shell fragment seat 63, the spine
Pawl 64 is held by the flexible member 65 and has the trend of past Impact direction swing.Configure according to this, movable internal gear ring 320 can be unidirectional
Interlock hub shell 100.Such as when movable internal gear 320 rotate counterclockwise of ring, referring to Fig. 8, ratchet 64 is by flexible member
65 hold and swing, withstanding part 64a is held out against the forced section 61b on movable internal gear ring 320, the mesh ratchet gear 61 of ratchet 64, make
Hub shell 100 is interlocked and synchronous rotate counterclockwise by movable internal gear ring 320；And work as the dextrorotation of movable internal gear ring 320
When turning, though referring to Fig. 9, ratchet 64 is held by flexible member 65 and has the trend of swing, ratchet 64 is by being pressed along leading portion 61c
Press down and be pressed back pawl base 62, withstanding part 64a can not be held out against movable internal gear ring 320, ratchet 64 can not mesh ratchet gear 61,
Therefore hub shell 100 can not be interlocked by movable internal gear ring 320 and synchronously turned clockwise.
According to the configuration detail of above-mentioned another embodiment, when motor rotor 22 is driven in rotation by synchronous drive annular
Rotor 21 rotates, and the support shaft 40 that also will synchronously detour of the planetary gearsets 33 positioned at the periphery of ring-shaped rotor 21 revolves round the sun, described to have X
Multiple first planetary gear 33a of modulus are directed to drive rotation because nibbling and touching with fixed annulus ring 31a, due to the first planet
Gear 33a and the second planetary gear 33b is coaxial integral tandem configuration, therefore when the first planetary gear 33a is driven, second
Planetary gear 33b just (can revolve round the sun) with the first planetary gear 33a synchronous axial systems comprising rotation and the support shaft 40 that detours.Subtract in transmission
During speed output, nibbled by multiple first planetary gear 33a with X moduluses and touch the fixed annulus ring with the A numbers of teeth
31a, and nibbled by multiple second planetary gear 33b with Y moduluses and touch movable internal gear ring 320 of the transmission with the B numbers of teeth；
Wherein, because fixed annulus ring 31a has been fixed in support shaft 40 without rotating, therefore in the activity with the B numbers of teeth
Gear ring 320 drives movable internal gear ring 320 to be rotated with specific speed reducing ratio because the number of teeth is different from fixed annulus ring 31a numbers of teeth A
Slow down and export.If when movable internal gear 320 rotate counterclockwise of ring, the mesh ratchet gear 61 of ratchet 64, so movable internal gear ring 320
The synchronous rotary of hub shell 100 is interlocked, output of slowing down.Its speed reducing ratio calculation formula is identical with previous embodiment.If when in activity
When gear ring 320 turns clockwise, ratchet 64 can not mesh ratchet gear 61, so movable internal gear ring 320 can not interlock wheel hub machine
The synchronous rotary of shell 100.
In summary, it should be realized that epicyclic train of the present invention eliminates the central gear of conventional planetary gear reductor
And an internal tooth torus is added, make that there are two internal tooth torus, and two internal tooth torus are arranged in motor reducer periphery, and
Curve outward type motor is arranged in internal layer, and can get Geng Gao using the ratio of the movable internal gear ring number of teeth and two internal tooth torus number of teeth differences
Speed reducing ratio exports so that it is feasible that the space of hub motor reductor, which can effectively obtain reduction,；Implemented according to this
Structure configuration, can be not only significantly increased in the useful space outside speed reducing ratio, and tribute can be made to the simplification of mechanism
Offer so that the configured in one piece space of hub type motor reductor and volume are more simplified.
It is described above to be merely exemplary for the purpose of the present invention, and it is nonrestrictive, and those of ordinary skill in the art understand,
In the case where not departing from the spirit and scope that claim is limited, can many modifications may be made, change or equivalent, but will all fall
Enter within protection scope of the present invention.
Claims (11)
1. a kind of hub type motor reductor, there is a hub shell as power output, be configured at one as fixing end
In support shaft, it is characterised in that configuration includes in the hub shell：
One motor, have positioned at the casing innermost layer and a stator affixed with support shaft and around stator and by stator driving
Motor rotor, multiple enamel-cover line windings are configured with the stator；
One epicyclic train, is surrounded on rotor periphery, comprising：An at least planetary gearsets, and it is respectively arranged at planetary gearsets
A fixed annulus ring and a movable internal gear ring for outer rim, the movable internal gear ring can be unidirectional or two-way connected with hub shell
It is dynamic；Wherein：
The planetary gearsets are combined into a ring-shaped rotor with motor rotor, and the planetary gearsets are configured at the motor at equal intervals respectively
The periphery of rotor, the planetary gearsets have one first planetary gear and one second planet of concentric pivot joint and tandem respectively
Gear, first planetary gear are engaged in fixed annulus ring, and second planetary gear is engaged in movable internal gear ring；
First planetary gear is identical with the second planetary number of teeth, the number of teeth of the fixed annulus ring and movable internal gear ring
Differ, and the number of teeth difference of the fixed annulus ring and movable internal gear ring is the integral multiple of planetary gear quantity.
2. hub type motor reductor according to claim 1, it is characterised in that：The planetary gearsets and the motor rotor
A ring-shaped rotor is incorporated into via two carrying side plates.
3. hub type motor reductor according to claim 1, it is characterised in that：The fixed annulus ring and movable internal tooth
The number of teeth difference of torus is identical with planetary gear quantity.
4. the hub type motor reductor according to claim 1 or 3, it is characterised in that：First planetary gear and second
Planetary modulus differs, and the fixed annulus ring is identical with the first planet module, and the movable internal gear ring with
Second planetary gear modulus is identical.
5. hub type motor reductor according to claim 1, it is characterised in that：The fixed annulus ring group and support shaft
Between respectively interaction form multiple tooth-like parts and mutually rabbet and fix.
6. hub type motor reductor according to claim 2, it is characterised in that：The planetary gearsets are configured at described two
Between individual carrying side plate, the carrying side plate positions each first planetary gear in the planetary gearsets and each second planetary gear is same
Step with motor rotor detour support shaft revolution.
7. hub type motor reductor according to claim 6, it is characterised in that：The first planet in the planetary gearsets
Gear and the second planetary gear are coaxially articulated in a planetary gear shaft, and the card offer of described two carrying side plates is described branched
The both-end of planetary gear shaft is fixed at equal intervals.
8. hub type motor reductor according to claim 2, it is characterised in that：Described two carrying side plates have respectively
One centre bore, the ring-shaped rotor are pivotally connected via an at least bearing is configured in described two centre bores with support shaft, and the annular turns
Son simultaneously detours support shaft and rotated.
9. hub type motor reductor according to claim 1, it is characterised in that：The movable internal gear ring is fixed in wheel hub
Casing, the bidirectional linkage hub shell that the movable internal gear ring can turn and turn counterclockwise clockwise.
10. hub type motor reductor according to claim 1, it is characterised in that：The movable internal gear ring is via ratchet
It is connected with hub shell, the unidirectional gearing hub shell that the movable internal gear ring can turn or turn counterclockwise clockwise.
11. hub type motor reductor according to claim 1, it is characterised in that：The motor be an outward rotation type direct current without
Brush motor.
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| CN201610513791.7A CN107559385A (en) | 2016-07-01 | 2016-07-01 | Hub type motor reductor |
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| CN201610513791.7A CN107559385A (en) | 2016-07-01 | 2016-07-01 | Hub type motor reductor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108900033A (en) * | 2018-06-26 | 2018-11-27 | 上海七桥机器人有限公司 | A kind of hub motor |
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Application publication date: 20180109 |