CN208971325U - Hub motor and electric wheelchair - Google Patents
Hub motor and electric wheelchair Download PDFInfo
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- CN208971325U CN208971325U CN201822048248.1U CN201822048248U CN208971325U CN 208971325 U CN208971325 U CN 208971325U CN 201822048248 U CN201822048248 U CN 201822048248U CN 208971325 U CN208971325 U CN 208971325U
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Abstract
The utility model provides a kind of hub motor and electric wheelchair, is related to technical field of motors, the inconvenient technical problem of the disassembly to alleviate hub motor existing in the prior art.The hub motor includes including wheel hub, rotor, stator, pedestal and Quick Release axis；The middle part of wheel hub forms accommodating chamber；Stator is located at accommodating chamber；Rotor is installed in stator, and the axis of rotor is overlapped with the axis of wheel hub and connect with hub drive, is rotated for drive hub；Pedestal is connect with stator, and pedestal opens up a connecting hole；Quick Release axis includes connecting shaft and telescopic component；One end of connecting shaft is provided with telescopic component, and protrudes into connecting hole；Telescopic component and pedestal are clamped, and can be flexible along the radial direction of connecting shaft.The electric wheelchair includes vehicle frame and above-mentioned hub motor；The end of the separate pedestal of Quick Release axis is connect with vehicle frame.Technical solution provided by the utility model keeps the installation and removal of hub motor simple and efficient.
Description
Technical field
The utility model relates to technical field of motors, more particularly, to a kind of hub motor and electric wheelchair.
Background technique
Currently, more and more using In-wheel motor driving in wheelchair equipment, electric power energy is completely cleaned, green ring
It protects, it is pollution-free.It installs In-wheel motor driving additional on wheelchair, wheelchair user can be made, obtain more comfortably taking service.
There is a connecting shaft in present hub motor, when connecting by the connecting shaft with wheelchair, which passes through wheelchair
It is fixed after protruding into hub motor using bolt, when hub motor is from the wheelchair dismantled, needs the spiral shell of first dismantling connection axis
Bolt could from the wheelchair remove hub motor.In conclusion the disassembly of existing hub motor is inconvenient.
The information disclosed in the background technology section is intended only to deepen the understanding to the utility model general background technology,
And it is not construed as recognizing or implying in any form that the information constitutes the prior art known in those skilled in the art.
Utility model content
The purpose of this utility model is to provide a kind of hub motor and electric wheelchairs, existing in the prior art to alleviate
The inconvenient technical problem of the disassembly of hub motor.
To solve the above problems, the utility model the following technical schemes are provided:
A kind of hub motor, including wheel hub, rotor, stator, pedestal and Quick Release axis；
The middle part of the wheel hub forms accommodating chamber；The stator is located at the accommodating chamber；
The rotor is installed in the stator, the axis of the rotor be overlapped with the axis of the wheel hub and with the wheel
Hub transmission connection, for driving the hub rotation；
The pedestal is connect with the stator, and the pedestal opens up a connecting hole；
The Quick Release axis includes connecting shaft and telescopic component；
One end of the connecting shaft is provided with the telescopic component, and protrudes into the connecting hole；
The telescopic component and the pedestal are clamped, and can be flexible along the radial direction of the connecting shaft.
Further, the telescopic component includes fixture block and the first elastic component；
The end for protruding into the connecting hole of the connecting shaft radially offers mounting hole；
First elastic component is located in the mounting hole, and the bottom of one end of first elastic component and the mounting hole
Wall connection, the other end are connect with the fixture block；
When first elastic component is located at free state, the fixture block is located at outside the mounting hole；The fixture block is pressed
When be able to enter the mounting hole.
Further, the end that the connecting shaft protrudes into the connecting hole is arranged multiple described flexible groups along circumferential direction
Part.
Further, the connecting hole includes clamping section and linkage section；The internal diameter of the clamping section is greater than the linkage section
Internal diameter, and the clamping section is close to the stator；
The fixture block is connected in the inner wall of the clamping section.
Further, the hub motor further includes deceleration mechanism, and the deceleration mechanism is installed on the stator；
The input terminal of the deceleration mechanism is connect with the rotor, and output end is connect with the wheel hub, and with the wheel hub
Axis be overlapped.
Further, the deceleration mechanism includes first rotating shaft, the second shaft, first gear, second gear, third tooth
Wheel, the 4th gear and deceleration shell；
The deceleration shell is connect with the stator, and the first installation cavity is arranged between the stator；
The first gear and the second gear are respectively positioned on first installation cavity, and are intermeshed；
The first rotating shaft installs the rotor, and one end is protruded into first installation cavity and connect with the first gear；
Second shaft installs the second gear, and one end is stretched out first installation cavity and connected with the third gear
It connects；
4th gear set is nibbled with the third gear in outside the pedestal and coaxially connected in the wheel hub
It closes；
The number of teeth of the first gear is less than the number of teeth of the second gear, and the number of teeth of the third gear is less than described the
The number of teeth of four gears.
Further, the hub motor further includes braking mechanism, and the braking mechanism is installed on the stator, and described
Rotor connection, can brake the rotor.
Further, the braking mechanism includes brake shell, brake coil, magnetic shaft, the second elastic component, the first friction
Piece and the second friction plate；
The brake shell is installed on the stator, and the second installation cavity is arranged between the stator；
The brake coil is set to second installation cavity, and the magnetic shaft is located in the brake coil；
First friction plate and second friction plate are respectively positioned on second installation cavity, first friction plate and institute
Rotor connection is stated, second friction plate is connect with the magnetic shaft close to the end of first friction plate；
Second elastic component both ends with the magnetic shaft and the brake cage connection, apply the magnetic shaft respectively
It is directed toward the elastic force of the rotor.
Further, the wheel hub includes first end cover, second end cover and spoke；
A through-hole is opened up in the middle part of the spoke；
The first end cover and the second end cover are connected to the edge of the through-hole two sides；
The first end cover, the second end cover and the through-hole wall surround the accommodating chamber.
A kind of electric wheelchair, including vehicle frame and above-mentioned hub motor；
The end far from the pedestal of the Quick Release axis is connect with the vehicle frame.
In conjunction with above technical scheme, the utility model bring beneficial effect is analyzed as follows:
The utility model provides a kind of hub motor, the hub motor include including wheel hub, rotor, stator, pedestal and
Quick Release axis；The middle part of wheel hub forms accommodating chamber；Stator is located at accommodating chamber；Rotor is installed in stator, the axis and wheel hub of rotor
Axis be overlapped and connect with hub drive, for drive hub rotation；Pedestal is connect with stator, and pedestal opens up a connection
Hole；Quick Release axis includes connecting shaft and telescopic component；One end of connecting shaft is provided with telescopic component, and protrudes into connecting hole；Flexible group
Part and pedestal are clamped, and can be flexible along the radial direction of connecting shaft.
When the hub motor is installed on vehicle frame, connecting shaft is connected to vehicle frame far from one end of hub motor, is connected
There is axis the end of telescopic component to protrude into connecting hole and the pedestal clamping of pedestal, not need to consolidate connecting shaft using bolt
Fixed, stator, which connect to be able to maintain with pedestal, not to be turned, and rotor drives hub rotation.It is right when the hub motor is dismantled from vehicle frame
Wheel hub applies the external force far from vehicle frame direction, and the inner wall that telescopic component is connected hole at this time squeezes, and telescopic component foreshortens to can
By connecting hole, Quick Release axis is taken out from connecting hole, the disassembly of hub motor is completed, does not need demounting bolt.
The hub motor realizes that the connection with vehicle frame, installation and removal do not need bolt by Quick Release axis, pacifies installation and dismantling
It unloads simple and efficient.
The utility model additionally provides a kind of electric wheelchair, which includes vehicle frame and above-mentioned hub motor；Fastly
The end for tearing the separate pedestal of axis open is connect with vehicle frame.
Fast assembling-disassembling may be implemented between the vehicle frame and hub motor of the electric wheelchair.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages are illustrating
Structure specifically noted by book, claims and attached drawing is achieved and obtained.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of hub motor provided by the embodiment of the utility model；
Fig. 2 is the cross-sectional view in the face A-A along Fig. 1；
Fig. 3 is the structural schematic diagram of Quick Release axis provided by the embodiment of the utility model；
Fig. 4 is the enlarged drawing of a-quadrant in Fig. 2；
Fig. 5 is the enlarged drawing of B area in Fig. 2.
Icon: 100- wheel hub；110- first end cover；120- second end cover；130- spoke；200- rotor；300-
Stator；400- pedestal；410- connecting hole；411- is clamped section；412- linkage section；500- Quick Release axis；510- connecting shaft；
520- telescopic component；521- fixture block；The first elastic component of 522-；600- deceleration mechanism；610- first rotating shaft；620- second
Shaft；630- first gear；640- second gear；650- third gear；The 4th gear of 660-；670- deceleration shell；
700- braking mechanism；The first friction plate of 710-；The second friction plate of 720-；730- brake coil；740- magnetic shaft；750-
Second elastic component；760- brake shell.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment 1 and embodiment 2 are described in detail with reference to the accompanying drawing:
Embodiment 1
The present embodiment provides a kind of hub motors, also referring to Fig. 1 in Figure of description to Fig. 5.
As depicted in figs. 1 and 2, which includes wheel hub 100, rotor 200, stator 300, pedestal 400 and Quick Release axis
500。
The middle part of wheel hub 100 forms accommodating chamber；Stator 300 is located at accommodating chamber；Rotor 200 is installed in stator 300, rotor
200 axis is overlapped with the axis of wheel hub 100 and is sequentially connected with wheel hub 100, rotates for drive hub 100；Pedestal 400 with
Stator 300 connects, and pedestal 400 opens up a connecting hole 410；Quick Release axis 500 includes connecting shaft 510 and telescopic component 520；Connection
One end of axis 510 is provided with telescopic component 520, and protrudes into connecting hole 410；Telescopic component 520 and pedestal 400 are clamped, and can
Radial direction along connecting shaft 510 is flexible.
Specifically, Fig. 2 shows the inside of stator 300 to have a cavity, and the inner wall of cavity is equipped with coil, rotor
200 are located in the cavity of stator 300, and have gap between coil.Fig. 1 shows the connecting hole 410 on pedestal 400 along wheel
The axis direction of hub 100 opens up, and connecting hole 410 can also be opened up along other directions.For example, the axis and wheel hub of connecting hole 410
100 axis is parallel.
When the hub motor is installed on vehicle frame, connecting shaft 510 is connected to vehicle frame far from one end of hub motor, even
There is spindle 510 end of telescopic component 520 to protrude into connecting hole 410 and the clamping of pedestal 400 of pedestal 400, not need using spiral shell
Connecting shaft 510 is fixed in bolt, and stator 300 connect to be able to maintain with pedestal 400 not to be turned, and rotor 200 is with 100 turns of runner hub
It is dynamic.When the hub motor is dismantled from vehicle frame, the external force far from vehicle frame direction is applied to wheel hub 100, at this time telescopic component 520
The inner wall for being connected hole 410 squeezes, and telescopic component 520, which foreshortens to, to be taken out from connecting hole 410 fast by connecting hole 410
It tears axis 500 open, completes the disassembly of hub motor, do not need demounting bolt.
The hub motor is realized by Quick Release axis 500 does not need bolt with the connection of vehicle frame, installation and removal, installation and
It dismantles simple and efficient.
Further, as shown in figure 3, telescopic component 520 includes fixture block 521 and the first elastic component 522；Connecting shaft 510 is stretched
The end for entering connecting hole 410 radially offers mounting hole；First elastic component 522 is located in mounting hole, and the first elasticity
One end of part 522 and the bottom wall of mounting hole connect, and the other end is connect with fixture block 521；First elastic component 522 is located at free state
When, fixture block 521 is located at outside mounting hole；Fixture block 521 is able to enter mounting hole when being pressed.
Specifically, it is cylindrical spring that Fig. 3, which shows the first elastic component 522, and fixture block 521 is hemispherical, and cylindrical spring is located at
In mounting hole, one end of cylindrical spring and the bottom wall of mounting hole are connected, the other end of cylindrical spring and hemispheric fixture block 521
Bottom plane connection.In a free state, fixture block 521 is located at outside mounting hole cylindrical spring；Press fixture block 521, cylindrical spring
It is compressed, fixture block 521 enters mounting hole.Certainly, the first elastic component 522 can also for elastic slice, volute spring, rubber spring etc. its
His flexible component；Fixture block 521 can also be the other shapes such as cylinder, cuboid, triangular prism shaped.
When the hub motor is connect with vehicle frame, one end of the separate telescopic component 520 of Quick Release axis 500 is connect with vehicle frame,
The connecting hole 410 of pedestal 400 is aligned with Quick Release axis 500, and the axis and direction along Quick Release axis 500 are applied to the hub motor
The external force in vehicle frame direction.At this point, the inner wall of connecting hole 410 squeezes the fixture block 521 of telescopic component 520, fixture block 521 enters installation
Hole, the first elastic component 522 are compressed, and telescopic component 520 enters connecting hole 410, effect of the fixture block 521 in the first elastic component 522
The lower inner wall for pushing against connecting hole 410, realizes the connection of the hub motor and vehicle frame, does not need to be bolted.
When the hub motor is disassembled from vehicle frame, the axis along Quick Release axis 500 is applied to the hub motor
And the external force far from vehicle frame direction, the inner wall that fixture block 521 is connected hole 410 squeeze, and Quick Release axis 500 is taken out from connecting hole 410,
The disassembly for completing hub motor, does not need demounting bolt.
It should be noted that telescopic component 520 is not limitation with above structure, telescopic component 520 can also be other
Structure type.For example, telescopic component 520 includes hydraulic stem, the end that connecting shaft 510 protrudes into connecting hole 410 is radially opened
Equipped with mounting hole, hydraulic stem is mounted in mounting hole；In a free state, mounting hole is stretched out in one end to hydraulic stem.
Further, as shown in figure 3, multiple stretch is arranged in the end that connecting shaft 510 protrudes into connecting hole 410 along circumferential direction
Component 520.
When multiple telescopic components 520 are located at the connecting hole 410 of pedestal 400, Quick Release axis 500 connect clamping with pedestal 400 more
Add securely, prevents the hub motor from falling from vehicle frame.
Further, as shown in figure 5, connecting hole 410 includes clamping section 411 and linkage section 412；It is clamped the internal diameter of section 411
Greater than the internal diameter of linkage section 412, and section 411 is clamped close to stator 300；Fixture block 521 is connected in the inner wall of clamping section 411.
Specifically, Fig. 5 shows the state of Quick Release axis 500 and pedestal 400 in connection when, and the first elastic component 522 is pressed
Contracting, fixture block 521 push against under the action of the first elastic component 522 with the clamping section 411 of connecting hole 410.Simultaneously as clamping section
411 internal diameter is greater than the internal diameter of linkage section 412, and clamping section 411 and 412 intersection of linkage section form step.
When the hub motor is connect with vehicle frame, fixture block 521 is first contacted with the inner wall of the linkage section 412 of connecting hole 410, even
The inner wall pressing fixture block 521 of section 412 is connect, fixture block 521 enters mounting hole, after Quick Release axis 500 is completely into connecting hole 410, fixture block
521 are located at clamping section 411 and push against the inner wall of clamping section 411, and connecting shaft 510 is supported in the connecting pin of connecting hole 410.
When the hub motor is disassembled from vehicle frame, the step of clamping section 411 and connecting pin intersection is to fixture block 521
It is squeezed, the length that fixture block 521 enters mounting hole increases, and the first elastic component 522 is further compressed, and fixture block 521, which enters, to be connected
It connects the axis behind the connecting pin in hole 410 along connecting hole 410 and exits connecting hole 410, complete the disassembly of hub motor.
Further, as shown in Fig. 2, hub motor further includes deceleration mechanism 600, deceleration mechanism 600 is installed on stator
300；The input terminal of deceleration mechanism 600 is connect with rotor 200, and output end is connect with wheel hub 100, and the axis weight with wheel hub 100
It closes.
After the hub motor is powered, 200 revolving speed of rotor is higher, if rotor 200 is directly connect with wheel hub 100, will lead to wheel
100 revolving speed of hub is higher, is easy to happen danger.Meanwhile rotor 200 directly connect with wheel hub 100 can make the torque of the wheel hub 100 compared with
It is small, the biggish road surface of the gradient can not be passed through.
After the transmission of deceleration mechanism 600, the speed of wheel hub 100 reduces the revolving speed of rotor 200, and the torque of wheel hub 100 increases,
A possibility that causing danger is reduced, passability is improved.
Further, as shown in Fig. 2, deceleration mechanism 600 includes first rotating shaft 610, the second shaft 620, first gear
630, second gear 640, third gear 650, the 4th gear 660 and deceleration shell 670；Deceleration shell 670 and stator 300 connect
It connects, and the first installation cavity is set between stator 300；First gear 630 and second gear 640 are respectively positioned on the first installation cavity, and
Intermeshing；First rotating shaft 610 installs rotor 200, and one end is protruded into the first installation cavity and connect with first gear 630；Second turn
Axis 620 installs second gear 640, and one end is stretched out the first installation cavity and connect with third gear 650；4th gear 660 is set in
Pedestal 400 is outer and coaxially connected in wheel hub 100, and engages with third gear 650；The number of teeth of first gear 630 is less than the second tooth
The number of teeth of wheel 640, the number of teeth of the number of teeth of third gear 650 less than the 4th gear 660.
Specifically, deceleration shell 670 is mounted on 300 outside of stator, and pedestal 400 is mounted on 670 outside of deceleration shell；4th
Bearing is installed between gear 660 and pedestal 400；For first rotating shaft 610 through bearing support on stator 300, one end protrudes into the
One installation cavity；Second shaft 620 in stator 300 and reduces shell by bearing support, and the first installation cavity is stretched out in one end.
Rotor 200 drives first gear 630 by first rotating shaft 610, and first gear 630 is engaged with second gear 640, the
The number of teeth of one gear 630 is less than the number of teeth of second gear 640, and then realizes that the first order is slowed down；Second gear 640 passes through second turn
Axis 620 drives third gear 650；Third gear 650 is engaged with the 4th gear 660, and the number of teeth of third gear 650 is less than the 4th tooth
The number of teeth of wheel 660, and then realize that the second level is slowed down.Rotor 200 is after double reduction, and the speed of wheel hub 100 reduces, wheel hub
100 torque increases.
It should be noted that deceleration mechanism 600 is not limitation with above structure, deceleration mechanism 600 can also be other
Structure type.For example, deceleration mechanism 600 includes deceleration shell 670, the first sprocket wheel, the second sprocket wheel, third gear 650 and the 4th
Gear 660；Deceleration shell 670 is connect with stator 300, and the first installation cavity is arranged between stator 300；First sprocket wheel and second
Sprocket wheel is respectively positioned on the first installation cavity, and is connected by chain drive；First rotating shaft 610 installs rotor 200, and one end protrudes into first
Installation cavity is connect with the first sprocket wheel；Second shaft 620 installs the second sprocket wheel, one end stretch out the first installation cavity and with third gear
650 connections；It is outer and coaxially connected in wheel hub 100 that 4th gear 660 is set in pedestal 400, and engages with third gear 650；The
The number of teeth of the number of teeth of one sprocket wheel less than the second sprocket wheel, the number of teeth of the number of teeth of third gear 650 less than the 4th gear 660.
Further, as shown in Fig. 2, hub motor further includes braking mechanism 700, braking mechanism 700 is installed on stator
300, it connect, rotor 200 can be braked with rotor 200.
Specifically, braking mechanism 700 is installed on stator 300, by bearing support in wheel hub 100.
Braking mechanism 700 can brake the hub motor, avoid installing the electric wheelchair of the hub motor, electronic
The vehicles such as vehicle are caused danger, and then protect the safety of driver and occupant.
Further, as shown in Figure 2 and Figure 4, braking mechanism 700 includes brake shell 760, brake coil 730, magnetic shaft
740, the second elastic component 750, the first friction plate 710 and the second friction plate 720；Brake shell 760 is installed on stator 300, and fixed
Second installation cavity is set between son 300；Brake coil 730 is set to the second installation cavity, and magnetic shaft 740 is located in coil；First
Friction plate 710 and the second friction plate 720 are respectively positioned on the second installation cavity, and the first friction plate 710 is connect with rotor 200, the second friction
Piece 720 is connect with magnetic shaft 740 close to the end of the first friction plate 710；Second elastic component, 750 both ends respectively with magnetic shaft 740
It is connected with brake shell 760, applies the elastic force for being directed toward rotor 200 to magnetic shaft 740.
Specifically, brake shell 760 is installed on stator 300 and is connect by bearing with wheel hub 100.First rotating shaft 610
One end is protruded into the first installation cavity and is connect with first gear 630, and the other end protrudes into the second installation cavity and connect with the first friction plate 710.
It is cylindrical spring that Fig. 4, which shows the second elastic component 750, and one end of cylindrical spring is connected to magnetic shaft 740, and the other end and brake are outer
The inner wall of shell 760 connects.Certainly, the second elastic component 750 or taper spring, elastic slice, rubber spring, hydraulic stem etc. other
Elastomeric element.
When brake coil 730 is powered, brake coil 730 generates magnetic field, and field drives magnetic shaft 740 is to far from rotor
200 direction is mobile, and magnetic shaft 740 drives the movement of the second friction plate 720 to divide the second friction plate 720 with the first friction plate 710
From, and then the first friction plate 710 no longer brakes rotor 200, rotor 200 is able to carry out rotation.When brake coil 730 is disconnected
When electric, brake coil 730 no longer generates magnetic field, and magnetic shaft 740 is under the action of the second elastic component 750 to close to the first friction plate
710 direction is mobile, and magnetic shaft 740 drives the movement of the second friction plate 720 to connect the second friction plate 720 with the first friction plate 710
Touching has frictional force between the first friction plate 710 and the second friction plate 720, and then the first friction plate 710 is realized to rotor 200
Braking.
Preferably, the energization with power-off of brake coil 730 can be synchronous with power-off with the energization of the coil on stator 300.
Certainly, the energization Yu power-off of brake coil 730 may be set to be independent control.
It should be noted that braking mechanism 700 is not limitation with above structure, braking mechanism 700 can also be other
Structure type.For example, braking mechanism 700 includes brake disc, disc brake and bracing wire；Brake disc be located at accommodating chamber and with rotor 200
Connection, disc brake are installed on brake disc, and bracing wire one end is connect with disc brake, and the other end stretches out the hub motor.
Further, as shown in Fig. 2, wheel hub 100 includes first end cover 110, second end cover 120 and spoke 130；Spoke
130 middle parts open up a through-hole；First end cover 110 and second end cover 120 are connected to the edge of through-hole two sides；First end cover
110, second end cover 120 and through-hole wall surround accommodating chamber.
Embodiment 2
Present embodiments provide a kind of electric wheelchair.
The electric wheelchair includes vehicle frame and the hub motor that embodiment 1 provides；The end of the separate pedestal 400 of Quick Release axis 500
Portion is connect with vehicle frame.
Fast assembling-disassembling may be implemented between the vehicle frame and hub motor of the electric wheelchair.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of hub motor, which is characterized in that including wheel hub, rotor, stator, pedestal and Quick Release axis；
The middle part of the wheel hub forms accommodating chamber；The stator is located at the accommodating chamber；
The rotor is installed in the stator, and the axis of the rotor is overlapped with the axis of the wheel hub and passes with the wheel hub
Dynamic connection, for driving the hub rotation；
The pedestal is connect with the stator, and the pedestal opens up a connecting hole；
The Quick Release axis includes connecting shaft and telescopic component；
One end of the connecting shaft is provided with the telescopic component, and protrudes into the connecting hole；
The telescopic component and the pedestal are clamped, and can be flexible along the radial direction of the connecting shaft.
2. hub motor according to claim 1, which is characterized in that the telescopic component includes fixture block and the first elasticity
Part；
The end for protruding into the connecting hole of the connecting shaft radially offers mounting hole；
First elastic component is located in the mounting hole, and the bottom wall of one end of first elastic component and the mounting hole connects
It connects, the other end is connect with the fixture block；
When first elastic component is located at free state, the fixture block is located at outside the mounting hole；The energy when fixture block is pressed
Enough enter the mounting hole.
3. hub motor according to claim 2, which is characterized in that the connecting shaft protrudes into the end edge of the connecting hole
Multiple telescopic components are arranged in circumferential direction.
4. hub motor according to claim 3, which is characterized in that the connecting hole includes clamping section and linkage section；Institute
The internal diameter for stating clamping section is greater than the internal diameter of the linkage section, and the clamping section is close to the stator；
The fixture block is connected in the inner wall of the clamping section.
5. hub motor according to claim 1, which is characterized in that the hub motor further includes deceleration mechanism, described
Deceleration mechanism is installed on the stator；
The input terminal of the deceleration mechanism is connect with the rotor, and output end is connect with the wheel hub, and the axis with the wheel hub
Line is overlapped.
6. hub motor according to claim 5, which is characterized in that the deceleration mechanism includes first rotating shaft, second turn
Axis, first gear, second gear, third gear, the 4th gear and deceleration shell；
The deceleration shell is connect with the stator, and the first installation cavity is arranged between the stator；
The first gear and the second gear are respectively positioned on first installation cavity, and are intermeshed；
The first rotating shaft installs the rotor, and one end is protruded into first installation cavity and connect with the first gear；
Second shaft installs the second gear, and one end is stretched out first installation cavity and connect with the third gear；
4th gear set is engaged with the third gear in outside the pedestal and coaxially connected in the wheel hub；
The number of teeth of the first gear is less than the number of teeth of the second gear, and the number of teeth of the third gear is less than the 4th tooth
The number of teeth of wheel.
7. hub motor according to claim 1 or 5, which is characterized in that the hub motor further includes braking mechanism, institute
It states braking mechanism and is installed on the stator, connect with the rotor, the rotor can be braked.
8. hub motor according to claim 7, which is characterized in that the braking mechanism includes brake shell, brake cable
Circle, magnetic shaft, the second elastic component, the first friction plate and the second friction plate；
The brake shell is installed on the stator, and the second installation cavity is arranged between the stator；
The brake coil is set to second installation cavity, and the magnetic shaft is located in the brake coil；
First friction plate and second friction plate are respectively positioned on second installation cavity, first friction plate with described turn
Son connection, second friction plate are connect with the magnetic shaft close to the end of first friction plate；
Second elastic component both ends with the magnetic shaft and the brake cage connection, apply the magnetic shaft and are directed toward respectively
The elastic force of the rotor.
9. hub motor according to claim 1, which is characterized in that the wheel hub include first end cover, second end cover and
Spoke；
A through-hole is opened up in the middle part of the spoke；
The first end cover and the second end cover are connected to the edge of the through-hole two sides；
The first end cover, the second end cover and the through-hole wall surround the accommodating chamber.
10. a kind of electric wheelchair, which is characterized in that including vehicle frame and such as the described in any item hub motors of claim 1-9；
The end far from the pedestal of the Quick Release axis is connect with the vehicle frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822048248.1U CN208971325U (en) | 2018-12-06 | 2018-12-06 | Hub motor and electric wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822048248.1U CN208971325U (en) | 2018-12-06 | 2018-12-06 | Hub motor and electric wheelchair |
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| Publication Number | Publication Date |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110266143A (en) * | 2019-07-15 | 2019-09-20 | 沈骁坚 | Mobile mechanism and its electric wheelchair based on hub motor |
| CN112448537A (en) * | 2020-11-16 | 2021-03-05 | 西安应用光学研究所 | Integrated driving locking motor assembly |
| CN113317936A (en) * | 2021-05-18 | 2021-08-31 | 温州市人民医院 | Connecting structure for electric mechanism and wheelchair body assembly |
-
2018
- 2018-12-06 CN CN201822048248.1U patent/CN208971325U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110266143A (en) * | 2019-07-15 | 2019-09-20 | 沈骁坚 | Mobile mechanism and its electric wheelchair based on hub motor |
| CN112448537A (en) * | 2020-11-16 | 2021-03-05 | 西安应用光学研究所 | Integrated driving locking motor assembly |
| CN113317936A (en) * | 2021-05-18 | 2021-08-31 | 温州市人民医院 | Connecting structure for electric mechanism and wheelchair body assembly |
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