CN110027663A - A kind of novel hub power device and electric bicycle - Google Patents
A kind of novel hub power device and electric bicycle Download PDFInfo
- Publication number
- CN110027663A CN110027663A CN201810028949.0A CN201810028949A CN110027663A CN 110027663 A CN110027663 A CN 110027663A CN 201810028949 A CN201810028949 A CN 201810028949A CN 110027663 A CN110027663 A CN 110027663A
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- gear
- central axis
- gear ring
- lateral carrier
- carrier
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- 150000001875 compounds Chemical class 0.000 claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 239000000306 component Substances 0.000 description 10
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
-
- 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
- B62M6/60—Rider propelled cycles with auxiliary electric motor power-driven at axle parts
- B62M6/65—Rider propelled cycles with auxiliary electric motor power-driven at axle parts with axle and driving shaft arranged coaxially
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of novel hub power device and electric bicycles, described device includes motor mechanism, central axis, gear mechanism and external shell, and the gear mechanism includes the hollow shaft sleeve being successively set in outward on the central axis, one-way clutch, sun gear and compound planet gear；The gear mechanism further includes planet carrier component and gear ring component；The planet carrier component includes the left lateral carrier and right lateral carrier being fixedly connected；The gear ring component includes left gear ring and right gear ring, and the left gear ring and right gear ring are meshed at the middle part in the outside of the compound planet gear with the compound planet gear；Also, the left gear ring is mutually fixed with the external shell, and the right gear ring is connected by auxiliary member with the central axis.Power device of the invention has lesser structural volume, can be realized bigger transmission ratio；And central axis is bearing structure, will not weaken the intensity of central axis (dead axle), safety coefficient is high.
Description
Technical field
The present invention relates to technical field of motors more particularly to a kind of novel hub power device and electric bicycles.
Background technique
In recent years, electric bicycle has gradually been connect by the majority of consumers as a kind of environmental protection, the energy-efficient vehicles
By no matter at home or external, the sales volume of electric bicycle worldwide is also increasing year by year, electric bicycle substitution
The trend of bicycle gradually expands, and core component of the wheel hub of electric bicycle power device as electric bicycle, quality
Quality often decide the superiority and inferiority of electric bicycle entirety.
Wheel hub of electric bicycle power device on the market is broadly divided into two major classes, straight driving force apparatus and conventional belt at present
Tooth power device；It wherein, is that volume is big the shortcomings that the straight driving force apparatus, output torque is small, and climbing is painstaking, meets heavy load and holds
Easy burn-out；Although conventional belt tooth power device is promoted compared with direct driving motor torque, volume is still larger, influences appearance.
Also, to realize the biggish transmission ratio of gear drive, existing power device (motor) generally will use off-axis design, the off-axis
Design, which refers to, is divided into three sections for central axis, small for sun gear to be done, to increase transmission ratio；But this structure will lead to it is whole
A mandrel strength reduction；Conventional power plants also use the hollow outlet of dead axle, that is, opening up through-hole in the middle part of dead axle will be out
Line end is drawn, this can similarly weaken mandrel intensity.So electric bicycle can be greatly reduced in existing wheel hub power device
Whole functional reliability and safety.
Summary of the invention
To solve problems of the prior art, the invention proposes a kind of novel hub power device and electrical salf-walkings
Vehicle, specifically:
First aspect provides a kind of novel hub power device, and described device includes motor mechanism, central axis, gear mechanism
Structure and external shell, the motor mechanism, central axis, gear mechanism are respectively positioned in the external shell, and the motor mechanism
It is set on the central axis with gear mechanism；
The gear mechanism includes the hollow shaft sleeve, one-way clutch, the sun being successively set in outward on the central axis
Wheel and compound planet gear；And one end of the hollow shaft sleeve is fixedly connected with the motor mechanism, the hollow shaft sleeve
The inner ring of the other end and the one-way clutch is interference fitted；The inner ring mistake of the outer ring of the one-way clutch and the sun gear
It is full of cooperation, is meshed on the inside of the outer ring of the sun gear and the compound planet gear；
The gear mechanism further includes planet carrier component and gear ring component；
The planet carrier component includes the left lateral carrier and right lateral carrier being fixedly connected；And the left lateral carrier and right lateral
Bearing is provided in carrier；The inside of the bearing of the left lateral carrier and one end of the compound planet gear are interference fitted,
The inside of the bearing of the right lateral carrier and the other end of the compound planet gear are interference fitted；
The gear ring component includes left gear ring and right gear ring, and the left gear ring and right gear ring are in the compound planet gear
The middle part in outside be meshed with the compound planet gear；Also, the left gear ring is mutually fixed with the external shell, described
Right gear ring is connected by auxiliary member with the central axis.
Further, the motor mechanism includes rotor and rule stator；The rule stator and rotor according to
It is secondary to be set on the central axis；
And the rule stator is fixedly connected with the central axis；One end of the rotor and the hollow shaft sleeve
It is fixedly connected.
Further, the external shell includes main casing and end cap；
One end of the main casing and one end of the end cap are mutually fixed, the other end of the main casing and the end cap
The other end is set on the central axis；The main casing, end cap and central axis constitute closed space structure, the motor
Mechanism and gear mechanism are respectively positioned in the space structure；
Also, outlet hole is offered on the main casing, the power supply line being connected with the winding terminal of the rule stator
Cable runs through the outlet hole.
Further, the compound planet gear includes planetary gear revolver and planetary gear right wheel；The planetary gear revolver with
The planetary gear right wheel interference fit, or be structure as a whole.
Further, the quantity of the bearing is even number, and the quantity of the bearing in the left lateral carrier and the right side
The quantity of bearing on planet carrier is equal.
Further, the motor mechanism further includes magnet steel, and the magnet steel is arranged in the rotor and rule stator
Between.
Further, boss is all had in the left lateral carrier and right lateral carrier, offers mounting hole on the boss；
The left lateral carrier and right lateral carrier are bolted at the mounting hole of corresponding boss by connector.
Further, the auxiliary member is fixed bracket, and the fixed bracket setting is in the right lateral carrier close to described
In the space structure of external shell；
Described support bracket fastened one end and the end face of the right gear ring are mutually fixed, the support bracket fastened other end with it is described
Central axis is connected.Connection type is that can be interference fitted or be keyed
Further, the gear mechanism further includes locating piece, and the locating piece includes left gasket and right gasket；
For the left gasket between the left lateral carrier and the rotor, the right gasket is located at the right lateral star
Between frame and the fixed bracket.
Second aspect provides a kind of electric bicycle, including above-mentioned device；It further include wheel and multiple spokes；It is described
Spoke is symmetricly set on the two sides of the hub motor using the vertical plane where the midpoint of the central axis as the plane of symmetry.
Novel hub power device provided by the invention turns in described device motor mechanism when car moves forwards
Son is rotated, wherein one end of rotor and hollow shaft sleeve is fixed, so that the rotation of rotor drives the hollow shaft sleeve rotation；
The other end of hollow shaft sleeve and the inner ring of one-way clutch are interference fitted, so that hollow shaft sleeve drives the one-way clutch to be in
Meshing state i.e. working condition；The outer ring of one-way clutch and the inner ring of sun gear are interference fitted, so that one-way clutch
The sun gear is driven to rotate；It is meshed on the inside of the outer ring of the sun gear and compound planet gear, so that sun gear drives
Compound planet gear rotation；The bearing being provided on the planet carrier of left and right is interference fitted with the compound planet gear, and
And the left gear ring is meshed with the compound planet gear, so that compound planet gear drives the left ring gear against rotation, together
When, left lateral carrier and right lateral carrier rotate simultaneously；Finally, because left gear ring is mutually fixed with external shell, so, left gear ring drives
External shell rotation, finally drives the corresponding vehicle of the wheel hub power device to move forward.
Novel hub power device provided by the invention, when car slides forward (namely without electric power, under car
Slope or the case where go ahead because of inertia), the corresponding wheel hub of the power device slides forward, and the rotation of external shell drives left
Ring gear against rotation, the left gear ring (forward) drive double-planetary gear rotation, and the double-planetary gear drives sun gear rotation, at this time
One-way clutch is in idling conditions i.e. discrete state, and vehicle smoothly slides forward.
Novel hub power device provided by the invention, when car is carried out backward, the corresponding wheel hub of the power device
Carry out backward, the rotation of external shell drives left ring gear against rotation, and left gear ring (backward) drives double-planetary gear rotation, duplex planet
Wheel drives sun gear rotation, and one-way clutch is in meshing state i.e. working condition at this time, drives hollow shaft sleeve rotation, into
And entire rotor is driven to invert, vehicle can smoothly be carried out backward.
The middle part and the duplex planet of left gear ring and right gear ring in the outside of the compound planet gear is arranged in the present invention
Gear is meshed；Not only make power device that there is lesser structural volume, but also allows to realize bigger transmission ratio；And
And the present invention uses the end face outlet of external shell, and central axis is bearing structure, the intensity of central axis (dead axle) will not be weakened,
Safety coefficient is high.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of novel hub power device major architectural figure provided in the embodiment of the present invention；
Fig. 2 is a kind of novel hub powerplant configuration cross-sectional view provided in the embodiment of the present invention；
Fig. 3 is the electric bicycle schematic diagram with the novel hub power device provided in the embodiment of the present invention.
In figure: motor mechanism 1, rotor 11, rule stator 12, magnet steel 13, power cable 14, central axis 2, gear mechanism
Structure 3, hollow shaft sleeve 31, one-way clutch 32, sun gear 33, compound planet gear 34, left lateral carrier 35, right lateral carrier 36, axis
37 are held, left gear ring 38, right gear ring 39 fixes bracket 391, external shell 4, main casing 41, end cap 42, wheel 51, spoke 52.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
Need to give explanation, " outside " and " inside " of the invention be the central axis according to described device from the point of view of
, it is " inside " close to that side of the central axis, it is opposite with the inside namely far from that side of the central axis
For " outside "." left side " and " right side " in the present invention is the close motor mechanism from the point of view of the motor mechanism according to described device
Beyond be " left side ", far from being " right side " beyond the motor mechanism.
Embodiment:
The present embodiment proposes a kind of novel hub power device, as shown in Figure 1, described device include motor mechanism 1, in
Mandrel 2, gear mechanism 3 and external shell 4；Specifically, as shown in Fig. 2, the motor mechanism 1, central axis 2, gear mechanism 3 are equal
In the external shell 4, and the central axis 2 is fixing axle, and the motor mechanism 1 and gear mechanism 3 are set in institute
It states on central axis 2；
As shown in Fig. 2, the gear mechanism 3 includes the hollow shaft sleeve 31 being successively set in outward on the central axis 2, list
To clutch 32, sun gear 33 and compound planet gear 34；And one end of the hollow shaft sleeve 31 and the motor mechanism 1 are solid
The inner ring of fixed connection, the other end of the hollow shaft sleeve 31 and the one-way clutch 32 is interference fitted；The one-way clutch
The inner ring of 32 outer ring and the sun gear 33 is interference fitted, the outer ring of the sun gear 33 and the compound planet gear 34
Inside is meshed.Wherein, the compound planet gear 34 includes planetary gear revolver and planetary gear right wheel；The planetary gear revolver with
The planetary gear right wheel interference fit, or be structure as a whole, it is a planetary gear revolver (left side for compound planet gear shown in Fig. 2
Side section) and planetary gear right wheel (right part of compound planet gear) interference fit mode.
The gear mechanism 3 further includes planet carrier component and gear ring component.Specifically:
Explanation is given for the planet carrier component in gear mechanism 3: as shown in Fig. 2, the planet carrier component includes
The left lateral carrier 35 and right lateral carrier 36 being fixedly connected；And bearing is provided in the left lateral carrier 35 and right lateral carrier 36
37, it is fixed on corresponding planet carrier and then bearing 37 is fixed in the placement hole；Specifically, the left lateral carrier
One end of the inside of 35 bearing and the compound planet gear 34 is interference fitted, the inside of the bearing of the right lateral carrier 36 with
The other end of the compound planet gear 34 is interference fitted.Wherein, the quantity of the bearing 37 is even number, and in the left lateral star
The quantity of bearing on frame 35 is equal with the quantity of bearing in the right lateral carrier 36；Preferably, as shown in Fig. 2, the left side
The quantity of bearing on planet carrier 35 and the bearing in the right lateral carrier 36 is 3 or 4；That is, the left side
The quantity of bearing on planet carrier is 3, and the quantity of the bearing in right lateral carrier is 3；Alternatively, the axis in the left lateral carrier
The quantity held is 4, and the quantity of the bearing in right lateral carrier is 4.
Wherein for left lateral carrier 35 and right lateral carrier 36 be fixedly connected give explanation be；35 He of left lateral carrier
Boss (not shown) is also each had in right lateral carrier 36, offers mounting hole on the boss；The left lateral carrier 35
It is bolted or is locked at the mounting hole of corresponding boss by connector with right lateral carrier 36.Wherein, the connector
It for example is pin, rivet or hinged bolts etc..
Explanation is given for the gear ring component in gear mechanism 3: as shown in Fig. 2, the gear ring component includes left tooth
Circle 38 and right gear ring 39, the left gear ring 38 and right gear ring 39 the outside of the compound planet gear 34 middle part with it is described
Compound planet gear 34 is meshed.Also, the left gear ring 38 is fixed with 4 phase of external shell, wherein can be screw company
Connect, pin connection or spline connection etc., can also be interference fit；The right gear ring 39 passes through auxiliary member and the central axis 2
It is connected；As it can be seen that the right gear ring 39 is fixed gear ring, do not rotate.
Further, above-mentioned auxiliary member is fixed bracket 391, as shown in Fig. 2, the fixed bracket 391 is arranged in institute
Right lateral carrier 36 is stated in the space structure of the external shell 4；Also, one end of the fixed bracket 391 and the right side
The end face of gear ring 39 is mutually fixed, and the other end of the fixed bracket 391 is connected with the central axis 2, wherein the fixed branch
The connection type of the other end of frame 391 and the central axis 2 is that can be interference fitted or be keyed.
The gear mechanism 3 can also include locating piece (not shown), and the locating piece includes left gasket and right pad
Piece；For the left gasket between the left lateral carrier 35 and the rotor 11, the right gasket is located at the right lateral star
Between frame 36 and the fixed bracket 391.It is by the positioning of locating piece that left lateral carrier 35 and right lateral carrier 36 is fixed, prevent a left side
The vibration of planet carrier 35, right lateral carrier 36.
Explanation is given for the motor mechanism 1: as shown in Fig. 2, the motor mechanism 1 includes 11 He of rotor
Rule stator 12；The rule stator 12 and rotor 11 are sequentially sleeved on the central axis 2；And the rule stator
12 are fixedly connected with the central axis 2；The rotor 11 is fixedly connected with one end of the hollow shaft sleeve 31.So electricity
After source cable 14 is powered, central axis 2 is fixing axle, and accordingly, rule stator 12 is fixed；Rotor 11 rotates, in turn
Hollow shaft sleeve 31 is driven to rotate.
Further, as shown in Fig. 2, the motor mechanism 1 further includes magnet steel 13, the magnet steel 13 is arranged in the motor
Between rotor 11 and rule stator 12.Wherein, the magnet steel 13 is the magnetic material of high magnetic field intensity, it is preferable that using use
Nd-Fe-B rare earth magnetic steel 13.
Explanation is given for the external shell 4: as shown in Fig. 2, the external shell 4 includes main casing 41 and end
Lid 42；One end of the main casing 41 and one end of the end cap 42 are mutually fixed, the other end of the main casing 41 and the end
The other end of lid 42 is set on the central axis 2；Wherein, one end of the main casing 41 and one end of the end cap 42
Fixed form is screw connection or snaps connection.The main casing 41, end cap 42 and central axis 2 constitute closed space knot
Structure, the motor mechanism 1 and gear mechanism 3 are respectively positioned in the space structure；Also, outlet is offered on the main casing 41
Hole, the power cable 14 being connected with the winding terminal of the rule stator 12 run through the outlet hole, it is seen that the present embodiment institute
The central axis 2 of device is stated as bearing structure, and then safety coefficient with higher.
Need to give explanation, high, the light-weight gear structure using intensity of the gear in the present embodiment, such as can be with
With plastic gear, powder metallurgical gear.
Embodiment:
A kind of electric bicycle is present embodiments provided, as shown in figure 3, including the novel hub power in above-described embodiment
Device；It further include wheel 51 and multiple spokes 52；The spoke is with vertical where the midpoint of the central axis of the power device
Face is the plane of symmetry, is symmetricly set on the two sides of the wheel hub power device.
And spoke hole is provided on the external shell, one end of the spoke, which is concentrated, to be fixed on the external shell
On spoke hole, the other end is uniformly mounted in the wheel hub wall of the electric bicycle；To which wheel hub power be filled by spoke
It sets and is connected with wheel 51, and then advance with motor car wheel 51.
Need to give explanation, the product being designed using wheel hub power device of the present invention not only for
Electric bicycle can also be the product of the one kind such as electric booster bicycle or Self-Balancing vehicle, belong to protection model of the invention
It encloses.
In conclusion novel hub power device provided by the invention, when car moves forwards, described device motor machine
Rotor in structure is rotated, wherein one end of rotor and hollow shaft sleeve is fixed, so that the rotation of rotor drives the hollow shaft
Set rotation；The inner ring of the other end of hollow shaft sleeve and one-way clutch is interference fitted so that hollow shaft sleeve drive it is described unidirectionally from
Clutch is in meshing state i.e. working condition；The outer ring of one-way clutch and the inner ring of sun gear are interference fitted, so that single
The sun gear rotation is driven to clutch；It is meshed on the inside of the outer ring of the sun gear and compound planet gear, so that too
Sun wheel drives compound planet gear rotation；Be provided with bearing on the planet carrier of left and right with the compound planet gear interference
Cooperation, also, the left gear ring is meshed with the compound planet gear, so that compound planet gear drives the left gear ring to turn
It is dynamic, meanwhile, left lateral carrier and right lateral carrier rotate simultaneously；Finally, because left gear ring is mutually fixed with external shell, so, left tooth
Circle drives external shell rotation, and the corresponding vehicle of the wheel hub power device is finally driven to move forward.
Novel hub power device provided by the invention, when car slides forward namely without electric power, under car
Slope or the case where go ahead because of inertia, the corresponding wheel hub of the power device slide forward, and the rotation of external shell drives left
Ring gear against rotation, the left gear ring brought forward double-planetary gear rotation, the double-planetary gear drives sun gear rotation, single at this time
It is in idling conditions i.e. discrete state to clutch, vehicle smoothly slides forward.
Novel hub power device provided by the invention, when car is carried out backward, the corresponding wheel hub of the power device
Carry out backward, the rotation of external shell drives left ring gear against rotation, and left gear ring drives double-planetary gear to rotate backward, double-planetary gear
Sun gear rotation is driven, one-way clutch is in meshing state i.e. working condition at this time, drives hollow shaft sleeve rotation, in turn
Entire rotor is driven to invert, vehicle can smoothly be carried out backward.
The middle part and the duplex planet of left gear ring and right gear ring in the outside of the compound planet gear is arranged in the present invention
Gear is meshed, and left gear ring is arranged on the motor housing, and right gear ring is connected with fixed central axis；Not only make in this way
Power device has lesser structural volume, and allows to realize bigger transmission ratio；Also, the present invention uses external shell
End face outlet, central axis is bearing structure, will not weaken the intensity of central axis (dead axle), and safety coefficient is high.
In short, hub motor provided by the invention, is able to ascend the functional reliability and safety of electric bicycle entirety
Property, also there is longer service life, and then improve the usage experience of user.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of novel hub power device, including motor mechanism (1), central axis (2), gear mechanism (3) and external shell
(4), the motor mechanism (1), central axis (2), gear mechanism (3) are respectively positioned in the external shell (4), and the motor machine
Structure (1) and gear mechanism (3) are set on the central axis (2)；It is characterized in that,
The gear mechanism (3) includes hollow shaft sleeve (31), the one-way clutch being successively set in outward on the central axis (2)
(32), sun gear (33) and compound planet gear (34)；And one end of the hollow shaft sleeve (31) and the motor mechanism (1)
It is fixedly connected, the other end of the hollow shaft sleeve (31) and the inner ring of the one-way clutch (32) are interference fitted；It is described unidirectional
The outer ring of clutch (32) and the inner ring of the sun gear (33) are interference fitted, the outer ring of the sun gear (33) and the duplex
Planetary gear is meshed on the inside of (34)；
The gear mechanism (3) further includes planet carrier component and gear ring component；
The planet carrier component includes the left lateral carrier (35) and right lateral carrier (36) being fixedly connected；And the left lateral carrier
(35) and in right lateral carrier (36) it is provided with bearing (37)；The inside of the bearing of the left lateral carrier (35) and the duplex row
One end of star gear (34) is interference fitted, inside and the compound planet gear (34) of the bearing of the right lateral carrier (36)
Other end interference fit；
The gear ring component includes left gear ring (38) and right gear ring (39), and the left gear ring (38) and right gear ring (39) are described
The middle part in the outside of compound planet gear (34) is meshed with the compound planet gear (34)；Also, the left gear ring (38)
It is mutually fixed with the external shell (4), the right gear ring (39) is connected by auxiliary member with the central axis (2).
2. the apparatus according to claim 1, which is characterized in that the motor mechanism (1) includes rotor (11) and embedding
Line stator (12)；The rule stator (12) and rotor (11) are sequentially sleeved on the central axis (2)；
And the rule stator (12) is fixedly connected with the central axis (2)；The rotor (11) and the hollow shaft
One end of set (31) is fixedly connected.
3. the apparatus of claim 2, which is characterized in that the external shell (4) includes main casing (41) and end cap
(42)；
One end of the main casing (41) and one end of the end cap (42) are mutually fixed, the other end of the main casing (41) and institute
The other end for stating end cap (42) is set on the central axis (2)；The main casing (41), end cap (42) and central axis (2)
Closed space structure is constituted, the motor mechanism (1) and gear mechanism (3) are respectively positioned in the space structure；
Also, outlet hole is offered on the main casing (41), the electricity being connected with the winding terminal of the rule stator (12)
Source cable (14) runs through the outlet hole.
4. the apparatus according to claim 1, which is characterized in that the compound planet gear (34) include planetary gear revolver and
Planetary gear right wheel；The planetary gear revolver and the planetary gear right wheel are interference fitted, or are structure as a whole.
5. the apparatus according to claim 1, which is characterized in that the quantity of the bearing (37) is even number, and on the left side
The quantity of bearing on planet carrier (35) is equal with the quantity of bearing on the right lateral carrier (36).
6. the apparatus according to claim 1, which is characterized in that the motor mechanism (1) further includes magnet steel (13), the magnetic
Steel (13) is arranged between the rotor (11) and rule stator (12).
7. the apparatus according to claim 1, which is characterized in that have in the left lateral carrier (35) and right lateral carrier (36)
There is boss, offers mounting hole on the boss；
The left lateral carrier (35) and right lateral carrier (36) are bolted at the mounting hole of corresponding boss by connector.
8. -7 any device according to claim 1, which is characterized in that the auxiliary member is fixed bracket (391), described
Fixed bracket (391) setting is in the space structure of the right lateral carrier (36) close the external shell (4)；
One end of the fixed bracket (391) and the end face of the right gear ring (39) are mutually fixed, the fixed bracket (391) it is another
One end is connected with the central axis (2).
9. device according to claim 8, which is characterized in that the gear mechanism (3) further includes locating piece, the positioning
Part includes left gasket and right gasket；
For the left gasket between the left lateral carrier (35) and the rotor (11), the right gasket is located at the right side
Between planet carrier (36) and the fixed bracket.
10. a kind of electric bicycle, which is characterized in that including any device of claim 1-9；
It further include wheel (51) and multiple spokes (52)；The spoke is symmetrical with the vertical plane where the midpoint of the central axis
Face is symmetricly set on the two sides of the hub motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810028949.0A CN110027663A (en) | 2018-01-12 | 2018-01-12 | A kind of novel hub power device and electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810028949.0A CN110027663A (en) | 2018-01-12 | 2018-01-12 | A kind of novel hub power device and electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110027663A true CN110027663A (en) | 2019-07-19 |
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ID=67234368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810028949.0A Withdrawn CN110027663A (en) | 2018-01-12 | 2018-01-12 | A kind of novel hub power device and electric bicycle |
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| Country | Link |
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| CN (1) | CN110027663A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110422185A (en) * | 2019-07-31 | 2019-11-08 | 江西日月明测控科技股份有限公司 | A kind of rail inspection power device and track geometry measuring device |
| CN114135650A (en) * | 2021-12-09 | 2022-03-04 | 广州市岳中数字科技有限公司 | Speed reducer capable of passing wire |
-
2018
- 2018-01-12 CN CN201810028949.0A patent/CN110027663A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110422185A (en) * | 2019-07-31 | 2019-11-08 | 江西日月明测控科技股份有限公司 | A kind of rail inspection power device and track geometry measuring device |
| CN110422185B (en) * | 2019-07-31 | 2020-11-06 | 江西日月明测控科技股份有限公司 | Power device and track check equipment are examined to rail |
| CN114135650A (en) * | 2021-12-09 | 2022-03-04 | 广州市岳中数字科技有限公司 | Speed reducer capable of passing wire |
| CN114135650B (en) * | 2021-12-09 | 2023-10-03 | 广州市岳中数字科技有限公司 | Speed reducer capable of passing wire |
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Application publication date: 20190719 |