CN218368161U - Electric vehicle speed reduction hub motor - Google Patents
Electric vehicle speed reduction hub motor Download PDFInfo
- Publication number
- CN218368161U CN218368161U CN202222937783.9U CN202222937783U CN218368161U CN 218368161 U CN218368161 U CN 218368161U CN 202222937783 U CN202222937783 U CN 202222937783U CN 218368161 U CN218368161 U CN 218368161U
- Authority
- CN
- China
- Prior art keywords
- motor
- hub
- center
- shaft
- side cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to an electric motor car speed reduction wheel hub motor belongs to electric motor car accessory field, the wheel hub of face basin form has been installed respectively to the centraxonial both sides of wheel hub, the annular steel ring of circle has been installed above two wheel hub's the outer fringe, discoid motor left side cap and motor right side cap have been installed respectively perpendicularly on the left side of wheel hub axis middle part top and the right, cylindric motor stator has been installed between motor left side cap and the motor right side cap, annular coil has been installed above the recess of motor stator inner wall, cylindrical motor axis has been installed between motor left side cap and the motor right side lid central authorities, cylindrical motor rotor has been installed to the centraxonial higher authority of motor, the driving gear of motor axis right top installation with install the annular ring gear meshing at wheel hub right wheel hub left surface, above-mentioned high-speed motor drives the driving gear and stirs the ring gear rotation, wheel hub is rotatory again to the ring gear, wheel hub drive steel ring and the rotatory electric motor car that promotes of tire gos forward.
Description
Technical Field
The utility model relates to an electric motor car gear wheel hub motor belongs to electric motor car accessory field, and in particular to motor drives wheel hub's device after slowing down through driving gear and ring gear.
Background
The wheel hub motor is a motor which is arranged in a wheel hub and can directly drive the wheel hub to rotate to push an electric vehicle to move forwards. The existing electric vehicle hub motors are divided into two types, one type is an external rotor disk type direct drive motor, a rotor is a permanent magnet and is connected with the edge of the inner wall of a hub, a stator is a silicon steel sheet and a coil is arranged on the middle part of a central shaft of the hub, the central shaft of the hub and the stator are not moved during operation, the hub is driven by the permanent magnet to operate, and the electric vehicle hub motor has the advantages of low noise, large torque, safety and reliability; the other type is an outer rotor planetary gear speed reducing motor, a rotor is a permanent magnet connected with a motor shell, the motor shell is arranged in the middle of a hub middle shaft, a sun gear is arranged at the end of the motor shell, the sun gear drives a gear ring on the inner wall of the hub to run through the planetary gear, a stator is a silicon steel sheet and a coil and is arranged in the rotor on the middle of the hub middle shaft, the hub middle shaft and the stator are not moved during running, the permanent magnet and the motor shell rotate to drive the sun gear to drive the gear ring to run synchronously with the hub through the planetary gear, and the outer rotor planetary gear speed reducing motor has the advantages of large torque, safety and reliability. The two hub motors have the defects that the direct-drive hub motor has high power consumption and weak climbing and is not suitable for being used in mountain areas, and the outer rotor planetary gear speed reduction motor has high power consumption, multiple gears, high noise and low transmission ratio efficiency.
Disclosure of Invention
The utility model relates to an electric motor car gear wheel hub motor has overcome above-mentioned difficulty, provides an installation high speed motor above a few font wheel hub axis, the wheel hub axis, high speed motor pass through the ring gear operation above the driving gear drive wheel hub inner wall, the reduction ratio is big, the increase moment of torsion is big, power consumption is little.
The technical scheme of the utility model as follows, an electric motor car gear hub motor includes the wheel hub axis, wheel hub is centraxonial about both sides installed a wheel hub respectively, two wheel hub central authorities the bearing position pass through bearing and wheel hub axis connection, two wheel hub's the excircle above install the steel ring, wherein the left side wheel hub's left surface has installed brake cylinder, the right wheel hub's ring gear, the above-mentioned motor left side cap of having installed perpendicularly on wheel hub axis middle part left side, the wheel hub axis middle part right has installed perpendicularly the motor right side cap, the internally mounted coil of motor stator, motor stator has been installed between motor left side cap and the motor right side cap, central authorities between motor left side cap and the motor right side cap have installed motor rotor, motor centraxonial the right side through a bearing respectively, have installed driving gear, driving gear and ring gear meshing on the motor centraxonial right of motor, the power cord passes the hole that sets up on the wheel hub axis right and is connected with the coil.
Furthermore, the central axis of the hub is shaped like a Chinese character 'ji', the two ends of the central axis are respectively provided with an external thread, the upper and lower of the external thread are symmetrically provided with a rectangular plane, the centers of the two sides of the central axis of the hub are respectively provided with a cylindrical bearing position, and the inside of the center of the right side of the central axis of the hub is provided with a J-shaped threading hole.
Furthermore, the two hubs are washbasins installed oppositely, the bearing positions arranged in the centers of the two hubs are circular, the outer sides of the two bearing positions are respectively provided with an annular oil seal, the steel rings installed on the edges of the two hubs are circular, the centers of the steel rings are provided with U-shaped grooves, the brake cylinder installed in the center of the left side face of the left hub is circular, and the gear ring installed in the center of the left side face of the right hub is an internal gear ring.
Furthermore, a hub middle shaft, two hubs, two bearing positions, a steel ring, a brake cylinder and two bearings are connected with each other to form a hub assembly.
Further, the motor left side cover and the motor right side cover are disc-shaped, the motor stator installed on the outer edge between the motor left side cover and the motor right side cover is cylindrical, the motor stator is formed by superposing 20-60 annular silicon steel sheets, a C-shaped groove is transversely and uniformly arranged on the inner wall of the motor stator, a coil installed in the groove is O-shaped, a motor center shaft installed inside a bearing in the center of the motor left side cover and the motor right side cover is cylindrical, a motor rotor installed on the motor center shaft is cylindrical, a long-strip-shaped permanent magnet is transversely and uniformly installed on the surface of the motor rotor, the right side of the motor center shaft extends to the right side of the motor right side cover, a driving gear installed at the top end is cylindrical, and the speed ratio between the driving gear and the gear ring is 1-1.
Furthermore, the power line, the motor left side cover, the motor stator, the motor right side cover, the motor middle shaft, the bearing, the motor rotor, the coil, the driving gear and the gear ring are connected with one another to form a power device of the electric vehicle speed reduction hub motor.
Furthermore, the central axis of the hub is cylindrical, two sides of the central axis of the hub are respectively provided with a cylindrical bearing position, and the inside of the right center of the central axis of the hub is provided with a J-shaped threading hole.
Further, a motor left side cover is vertically arranged on the upper side and the lower side of the left side of the middle part of the hub middle shaft, a motor right side cover is vertically arranged on the upper side and the lower side of the right side of the middle part of the hub middle shaft, a motor stator is respectively arranged between the upper motor left side cover and the lower motor left side cover, coils are respectively arranged in the two motor stators, a motor middle shaft is respectively arranged in the middle between the upper motor left side cover and the lower motor left side cover through a bearing, a motor rotor is respectively arranged on the upper side of the middle center of the two motor middle shafts, a driving gear is respectively arranged on the right side of the two motor middle shafts, the two driving gears are respectively meshed with a gear ring, and a power line penetrates through an inner hole formed in the right side of the hub middle shaft and is connected with the two coils.
Further, the middle part on the left of wheel hub axis is the motor left side cap that the plum blossom form has evenly installed three disc, the middle part on the right of wheel hub axis is the motor right side cap that the plum blossom form has evenly installed three disc, the coil has all been installed to the inside of having installed motor stator, three motor stator between three motor left side cap and the three motor right side cap respectively, central authorities between three motor left side cap and the three motor right side cap have all installed motor rotor, three motor axis central authorities' the higher authority through a bearing respectively, driving gear, three driving gear all with the ring gear meshing, the power cord passes the hole that sets up above the wheel hub axis the right and is connected with three coil.
Further, the middle part on the left of the wheel hub center shaft is a plum blossom shape and has evenly installed the motor left side cover of four discs, the middle part on the right of the wheel hub center shaft is a plum blossom shape and has evenly installed the motor right side cover of four discs, the coil has all been installed to the inside of having installed motor stator, four motor stator between four motor left side covers and four motor right side covers respectively, motor rotor has all been installed through a bearing to central authorities between four motor left side covers and four motor right side covers, four motor center shaft central authorities 'higher authority, driving gear has all been installed on four motor center shaft's the right, four driving gears all mesh with the ring gear, and the power cord passes the hole and four coil connections that set up above the wheel hub center shaft right.
Further, the middle part on the left of the wheel hub center shaft is a plum blossom shape and has evenly installed the motor left side cover of five discs, the middle part on the right of the wheel hub center shaft is a plum blossom shape and has evenly installed the motor right side cover of five discs, the coil has all been installed to the inside of having installed motor stator, five motor stator between five motor left side covers and five motor right side covers respectively, central authorities between five motor left side covers and five motor right side covers have all installed motor rotor, five central axes of motor right sides have all installed the driving gear through a bearing above the motor center shaft, five central axes of motor right sides, five driving gears all with the ring gear meshing, the power cord passes the hole that sets up on the right of wheel hub center shaft and is connected with five coils.
Furthermore, a disc-shaped brake disc is arranged on the right side face of the right hub, and the brake disc is connected with the hub through a bolt.
Has the advantages that: a speed reduction hub motor of an electric vehicle adopts a n-shaped hub middle shaft, wherein basin-shaped hubs are respectively arranged on two sides of the hub middle shaft, annular steel rings are arranged on the outer edges of the two hubs, a disc-shaped motor left side cover and a disc-shaped motor right side cover are respectively and vertically arranged on the left side and the right side above the middle part of the hub middle shaft, a cylindrical motor stator is arranged between the motor left side cover and the motor right side cover, an annular coil is arranged on a groove on the inner wall of the motor stator, a cylindrical motor middle shaft is arranged between the motor left side cover and the center of the motor right side cover, a cylindrical motor rotor is arranged on the motor middle shaft, and a driving gear arranged at the right top end of the motor middle shaft is meshed with an annular gear ring arranged on the right hub left side surface of the hub middle shaft;
a speed reduction hub motor of an electric vehicle drives a driving gear to stir a gear ring to rotate through a high-speed motor, the gear ring drives a hub to rotate, the hub drives a steel ring and a tire to rotate to push the electric vehicle to advance, and the advantages of large speed reduction ratio, large torque increase and low power consumption are achieved.
Drawings
In order to further illustrate the technical solution of the present invention, the drawings that are needed to be used are briefly described below, and the drawings in the following description are only some schematic drawings of the present invention, and it is not necessary for those skilled in the art to inventively obtain more drawings by combining the drawings.
FIG. 1 is a front view of a speed reducing hub motor for an electric vehicle;
FIG. 2 is a schematic cross-sectional view of a reduction hub motor for an electric vehicle;
in the figure, 1, a hub middle shaft, 2, a hub, 3, a bearing position, 4, a steel ring, 5, a power line (DC 36V-720V), 6, a brake cylinder, 7, a motor left side cover, 8, a motor stator, 9, a motor right side cover, 10, a motor middle shaft, 11, a bearing, 12, a motor rotor, 13, a coil (DC 36V-720V), 14, a driving gear, 15 and a gear ring.
Detailed Description
The structure and shape of the present invention will now be described in detail with reference to the accompanying drawings and the accompanying numerals:
example one
Referring to the attached drawings 1-2, the electric vehicle speed reduction hub motor comprises a hub middle shaft 1, wherein a hub 2 is respectively arranged at the left side and the right side of the hub middle shaft 1, a bearing position 3 in the center of the two hubs 2 is connected with the hub middle shaft 1 through a bearing 11, steel rings 4 are arranged on the excircles of the two hubs 2, a brake cylinder 6 is arranged on the left side surface of the left hub 2, a gear ring 15 is arranged on the left side surface of the right hub 2, the hub middle shaft 1 is used for supporting the two hubs 2, the two hubs 2 are used for supporting the steel rings 4, the brake cylinder 6 is used for braking the hubs 2, the gear ring 15 is used for driving the hubs 2 to operate, a motor left side cover 7 is vertically arranged on the left side of the middle part of the hub middle shaft 1, a motor right side cover 9 is vertically arranged on the right side of the middle part of the hub middle shaft 1, the hub middle shaft 1 is used for supporting the motor left side cover 7 and the motor right side cover 9, the motor left side cover 7 and the motor right side cover 9 are used for supporting a motor stator 8, a motor stator 8 is arranged between the motor left side cover 7 and the motor right side cover 9, a coil 13 is arranged inside the motor stator 8, the coil 13 can enable the motor stator 8 to generate a magnetic field to drive a motor rotor 12 to rotate after being electrified, a motor center shaft 10 is arranged in the center between the motor left side cover 7 and the motor right side cover 9 through a bearing 11, the motor rotor 12 is arranged on the center of the motor center shaft 10, a driving gear 14 is arranged on the right side of the motor center shaft 10, the driving gear 14 is meshed with a gear ring 15, the motor left side cover 7 and the motor right side cover 9 are used for supporting the motor center shaft 10, the motor center shaft 10 is used for supporting the motor rotor 12 and transmitting the power of the motor rotor 12 to the driving gear 14 to stir the gear ring 15 to operate, a power line 5 penetrates through an inner hole arranged on the right side of the hub center shaft 1 to be connected with the coil 13, the power supply line 5 is used to transmit the current of the controller to the coil 13.
Referring to the attached drawing 2, the hub middle shaft 1 is shaped like a Chinese character 'ji', the two ends of the hub middle shaft are respectively provided with an external thread, the upper and lower of the external thread are symmetrically provided with a rectangular plane, the centers of the two sides of the hub middle shaft 1 are respectively provided with a cylindrical bearing position, the inside of the right center of the hub middle shaft 1 is provided with a J-shaped threading hole, and the structure and the shape of the hub middle shaft 1 are described above.
Referring to the attached drawing 2, the two hubs 2 are washbowl-shaped and installed oppositely, the bearing positions 3 arranged at the centers of the two hubs 2 are circular, the outer sides of the two bearing positions 3 are respectively provided with an annular oil seal, the steel rings 4 installed on the edges of the two hubs 2 are circular, the centers of the steel rings 4 are provided with U-shaped grooves, the brake cylinder 6 installed at the center of the left side surface of the left hub 2 is circular, the gear ring 15 installed at the center of the left side surface of the right hub 2 is an internal gear ring, and the shapes, structures and installation positions of the hubs 2, the bearing positions 3, the steel rings 4, the brake cylinder 6 and the gear ring 15 are described above.
Referring to the attached drawings 1-2, a hub middle shaft 1, two hubs 2, two bearing positions 3, a steel ring 4, a brake cylinder 6 and two bearings 11 are connected with each other to form a hub assembly.
Referring to the attached drawing 2, the motor left side cover 7 and the motor right side cover 9 are disc-shaped, the motor stator 8 installed on the outer edge between the motor left side cover 7 and the motor right side cover 9 is cylindrical, the motor stator 8 is formed by overlapping 20-60 annular silicon steel sheets, C-shaped grooves are evenly and transversely arranged on the inner wall of the motor stator 8, coils 13 installed in the grooves are O-shaped, a motor center shaft 10 installed inside a bearing 11 in the center of the motor left side cover 7 and the motor right side cover 9 is cylindrical, a motor rotor 12 installed on the motor center shaft 10 is cylindrical, long-strip-shaped permanent magnets are evenly and transversely installed on the surface of the motor rotor 12, the right side of the motor center shaft 10 extends to the right side of the motor right side cover 9, a driving gear 14 installed at the top end is cylindrical, and the speed ratio between the driving gear 14 and a gear ring 15 is 1.
Referring to the attached figure 2, the power line 5, the motor left side cover 7, the motor stator 8, the motor right side cover 9, the motor middle shaft 10, the bearing 11, the motor rotor 12, the coil 13, the driving gear 14 and the gear ring 15 are connected with one another to form a power device of the electric vehicle speed reduction hub motor.
Example two
The hub middle shaft 1 is cylindrical, cylindrical bearing positions are respectively arranged on two sides of the hub middle shaft 1, a J-shaped threading hole is formed in the center of the right side of the hub middle shaft 1, and the structure and the shape of the hub middle shaft 1 are shown in the specification.
The upper surface and the lower surface of the left side of the middle part of the hub middle shaft 1 are respectively and vertically provided with a motor left side cover 7, the upper surface and the lower surface of the right side of the middle part of the hub middle shaft 1 are respectively and vertically provided with a motor right side cover 9, the hub middle shaft 1 is used for supporting the motor left side cover 7 and the motor right side cover 9, the motor left side cover 7 and the motor right side cover 9 are respectively and vertically provided with a motor stator 8, the two motor stators 8 are respectively and internally provided with a coil 13, the motor stator 8 can generate a magnetic field to drive the motor rotor 12 to operate after the current is supplied to the coil 13, the center between the upper motor left side cover 7 and the lower motor right side cover 9 is respectively provided with a motor middle shaft 10 through a bearing 11, the motor rotor 12 is respectively arranged on the center of the two motor middle shafts 10, the right side of the two motor middle shafts 10 is respectively provided with a driving gear 14, the two driving gears 14 are respectively meshed with a gear ring 15, the upper left side cover 7 and the upper motor right side cover 9 are respectively used for supporting the two motor middle shafts 10, the two motor middle shafts 10 are used for supporting the two motor rotors 12 and for shifting the power of the two driving gears 12 to transmit the power supply wires to the hub middle shafts 5, and the two hub middle shafts are connected with the hub middle shafts 1.
EXAMPLE III
The middle part on the left side of the hub middle shaft 1 is a plum blossom shape, the left motor side covers 7 of three discs are uniformly installed, the middle part on the right side of the hub middle shaft 1 is a plum blossom shape, the right motor side covers 9 of three discs are uniformly installed, the hub middle shaft 1 is used for supporting the left motor side covers 7 and the right motor side covers 9, the left motor side covers 7 and the right motor side covers 9 are used for supporting the motor stators 8, the motor stators 8 are respectively installed between the three left motor side covers 7 and the three right motor side covers 9, the coils 13 are all installed inside the three motor stators 8, the coils 13 are electrified to enable the motor stators 8 to generate magnetic fields to drive the motor rotors 12 to operate, the centers between the three left motor side covers 7 and the three right motor side covers 9 are respectively provided with the motor middle shaft 10 through a bearing 11, the motor rotors 12 are all installed on the center of the three motor middle shafts 10, the right sides of the three motor middle shafts 10 are provided with driving gears 14, the three driving gears 14 are all meshed with the gear rings 15, the three left motor side covers 7 and the three right motor side covers 9 are used for supporting the three motor middle shafts 10, the three motor middle shafts 10 are used for supporting the three motor middle shafts 12, and for shifting the power lines of the three driving gears 14 to pass through the three driving power lines, and the three driving gears 5, and the three driving lines are connected with the hub middle shafts 1.
Example four
The hub middle shaft comprises a hub middle shaft 1, wherein four disc-shaped motor left side covers 7 are uniformly arranged in the middle of the left side of the hub middle shaft 1 in a plum blossom shape, four disc-shaped motor right side covers 9 are uniformly arranged in the middle of the right side of the hub middle shaft 1 in a plum blossom shape, the hub middle shaft 1 is used for supporting the motor left side covers 7 and the motor right side covers 9, the motor stators 8 are respectively arranged between the four motor left side covers 7 and the four motor right side covers 9, coils 13 are respectively arranged inside the four motor stators 8, the coils 13 are electrified to enable the motor stators 8 to generate magnetic fields to drive the motor rotors 12 to operate, the central parts between the four motor left side covers 7 and the four motor right side covers 9 are respectively provided with the motor middle shaft 10 through one bearing 11, the motor rotors 12 are arranged on the upper parts of the central parts of the four motor middle shafts 10, the right parts of the four motor middle shafts 10 are respectively provided with driving gears 14, the four driving gears 14 are meshed with the gear rings 15, the four driving gears 7, the four motor left side covers 7 and the four motor right side covers 9 are respectively used for supporting the motor middle shafts 10, the motor middle shafts 10 are used for supporting the four motor rotors 12, the power wires of the four motor rotors 14, the four driving the right side covers 14 are connected with the power wires, and the four driving gears 15, and the four driving gears 13, and the four driving the hub middle shafts 1, and the four driving gears 13 pass through the hub middle shafts, and the four driving wires, and the hub middle shafts, and the four driving gears 13.
EXAMPLE five
The hub middle shaft structure is characterized in that five disc-shaped motor left side covers 7 are uniformly arranged in the middle of the left side of the hub middle shaft 1 in a plum blossom shape, five disc-shaped motor right side covers 9 are uniformly arranged in the middle of the right side of the hub middle shaft 1 in a plum blossom shape, the hub middle shaft 1 is used for supporting the motor left side covers 7 and the motor right side covers 9, the motor stators 8 are respectively arranged between the five motor left side covers 7 and the five motor right side covers 9, coils 13 are respectively arranged inside the five motor stators 8, the motor stators 8 can generate magnetic fields to drive the motor rotors 12 to operate after the coils 13 are electrified, the centers between the five motor left side covers 7 and the five motor right side covers 9 are respectively provided with the motor middle shaft 10 through a bearing 11, the motor rotors 12 are arranged on the centers of the five motor middle shafts 10, the driving gears 14 are arranged on the right sides of the five motor middle shafts 10, the five driving gears 14 are respectively meshed with the gear rings 15, the five motor left side covers 7 and the five motor right side covers 9 are used for supporting the five motor middle shafts 10, the five motor rotors 10 are used for supporting the five gear rings 12, and the driving gears 14 and the five driving power lines of the five motor rotors are connected with the hub middle shafts 5, and the hub middle shaft 1.
Example six
The utility model provides an electric motor car speed reduction wheel hub motor, the right flank of the right wheel hub 2 has set up the brake disc of disc, and the brake disc passes through the bolt and is connected with wheel hub 2.
When the electric vehicle speed reduction hub motor is used, a driver rotates the speed regulator, the controller supplies power to the coil 13, the coil 13 forces the motor stator 8 to generate a magnetic field after current passes through the coil 13, the magnetic field of the permanent magnet on the motor stator 8 pushes the motor rotor 12 to drive the motor center shaft 10 to rotate, the motor center shaft 10 drives the driving gear 14 to stir the gear ring 15 to rotate, and the gear ring 15 drives the hub 2, the steel ring 4 and the tire to rotate to push the electric vehicle to advance through the hub center shaft 1.
The foregoing is merely a general disclosure of the invention and is not intended to limit the invention in any way; those skilled in the art should understand that they can make various changes, modifications and evolutions without departing from the scope of the present invention, and all such changes, modifications and evolutions are within the scope of the present invention.
Claims (11)
1. A speed reduction hub motor of an electric vehicle comprises a hub middle shaft and is characterized in that a hub is respectively arranged on the left side and the right side of the hub middle shaft, a bearing position in the center of the two hubs is connected with the hub middle shaft through a bearing, steel rings are arranged on the outer circles of the two hubs, a brake cylinder is arranged on the left side face of the hub on the left side, a gear ring is arranged on the left side face of the hub on the right side, a motor left side cover is vertically arranged on the left side of the middle part of the hub middle shaft, a motor right side cover is vertically arranged on the right side of the middle part of the hub middle shaft, a motor stator and a coil are arranged between the motor left side cover and the motor right side cover, the center between the motor left side cover and the motor right side cover is respectively provided with the motor middle shaft through a bearing, a motor rotor is arranged on the center of the motor middle shaft, a driving gear is arranged on the right side of the motor middle shaft, the driving gear is meshed with the gear ring, and a power line penetrates through an inner hole formed in the right side of the hub middle shaft and is connected with the coil.
2. The electric vehicle speed reduction hub motor according to claim 1, wherein the hub center shaft is in a shape of a Chinese character 'ji', both ends of the hub center shaft are respectively provided with an external thread, the upper and lower symmetry of the external thread is provided with a rectangular plane, the centers of both sides of the hub center shaft are respectively provided with a cylindrical bearing position, and the inside of the center of the right side of the hub center shaft is provided with a J-shaped threading hole.
3. The electric vehicle speed reduction hub motor according to claim 1, wherein the two hubs are washbasins mounted in opposite directions, the bearing positions arranged at the centers of the two hubs are circular, an annular oil seal is mounted on each of the outer sides of the two bearing positions, the steel rings mounted on the edges of the two hubs are circular, a U-shaped groove is formed in the centers of the steel rings, the brake cylinder mounted at the center of the left side surface of the left hub is circular, and the gear ring mounted at the center of the left side surface of the right hub is an internal gear ring.
4. The electric vehicle speed reduction hub motor of claim 1, wherein a hub middle shaft, two hubs, two bearing positions, a steel ring, a brake cylinder, and two bearings are connected to form a hub assembly.
5. The electric vehicle speed reduction hub motor according to claim 1, wherein the motor left side cover and the motor right side cover are disc-shaped, the motor stator installed on the outer edge between the motor left side cover and the motor right side cover is cylindrical, the motor stator is formed by stacking 20-60 annular silicon steel sheets, C-shaped grooves are transversely and uniformly arranged on the inner wall of the motor stator, coils installed in the grooves are O-shaped, a motor center shaft installed inside a bearing in the center of the motor left side cover and the motor right side cover is cylindrical, a motor rotor installed on the motor center shaft is cylindrical, long-strip-shaped permanent magnets are transversely and uniformly installed on the surface of the motor rotor, the right side of the motor center shaft extends to the right side of the motor right side cover, a driving gear installed at the top end of the motor center shaft is cylindrical, and the speed ratio between the driving gear and the gear ring is 1-1.
6. The speed-reducing hub motor for electric vehicle as claimed in claim 1, wherein the power line, the left side cover of the motor, the stator of the motor, the right side cover of the motor, the central shaft of the motor, the bearing, the rotor of the motor, the coil, the driving gear and the gear ring are interconnected to form a power unit of the speed-reducing hub motor for electric vehicle.
7. The electric vehicle speed reduction hub motor as claimed in claim 1, wherein the hub central shaft is cylindrical, the cylindrical bearing positions are respectively provided on both sides of the hub central shaft, and a J-shaped threading hole is provided inside the right center of the hub central shaft.
8. The electric vehicle speed reduction in-wheel motor according to claim 1 or 7, characterized in that a motor left side cover is vertically arranged above and below the left side of the center of the in-wheel shaft, a motor right side cover is vertically arranged above and below the right side of the center of the in-wheel shaft, a motor stator is respectively arranged between the upper and lower motor left side covers and the upper and lower motor right side covers, coils are respectively arranged inside the two motor stators, the motor center shaft is arranged in the center between the upper and lower motor left side covers and the upper and lower motor right side covers through a bearing, a motor rotor is arranged above the center of the two motor center shafts, a driving gear is arranged on the right side of the two motor center shafts, the two driving gears are meshed with a gear ring, and a power line passes through an inner hole arranged above the right side of the in-wheel shaft and is connected with the two coils.
9. The speed reducing hub motor for the electric vehicle as claimed in claim 1 or 7, wherein three disk-shaped motor left side covers are uniformly installed in the middle part of the left side of the central axis of the hub in a plum blossom shape, three disk-shaped motor right side covers are uniformly installed in the middle part of the right side of the central axis of the hub in a plum blossom shape, motor stators are respectively installed between the three motor left side covers and the three motor right side covers, coils are respectively installed inside the three motor stators, the central axes of the motors are respectively installed in the centers between the three motor left side covers and the three motor right side covers through a bearing, motor rotors are respectively installed on the upper surfaces of the centers of the three motor central axes, driving gears are respectively installed on the right sides of the three motor central axes, the three driving gears are respectively engaged with the gear ring, and a power line passes through an inner hole formed on the right sides of the central axes of the hub to be connected with the three coils.
10. The electric vehicle speed reduction in-wheel motor according to claim 1 or 7, characterized in that four disk-shaped motor left side covers are uniformly installed in the middle of the left side of the in-wheel center shaft in a plum blossom shape, four disk-shaped motor right side covers are uniformly installed in the middle of the right side of the in-wheel center shaft in a plum blossom shape, motor stators are respectively installed between the four motor left side covers and the four motor right side covers, coils are respectively installed inside the four motor stators, the motor center shaft is respectively installed in the middle between the four motor left side covers and the four motor right side covers through a bearing, a motor rotor is respectively installed on the upper surface of the middle center of the four motor center shafts, driving gears are respectively installed on the right side of the four motor center shafts, the four driving gears are respectively engaged with a gear ring, and a power line passes through an inner hole formed on the right side of the in-wheel center shaft to be connected with the four coils.
11. The electric vehicle speed reduction hub motor as claimed in claim 1, wherein a disc-shaped brake disc is arranged on the right side surface of the right hub, and the brake disc is connected with the hub through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222937783.9U CN218368161U (en) | 2022-11-04 | 2022-11-04 | Electric vehicle speed reduction hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222937783.9U CN218368161U (en) | 2022-11-04 | 2022-11-04 | Electric vehicle speed reduction hub motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218368161U true CN218368161U (en) | 2023-01-24 |
Family
ID=84938153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222937783.9U Active CN218368161U (en) | 2022-11-04 | 2022-11-04 | Electric vehicle speed reduction hub motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218368161U (en) |
-
2022
- 2022-11-04 CN CN202222937783.9U patent/CN218368161U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105024509B (en) | The birotor wheel hub motor and its method of power transmission of four-wheel driving electric vehicle | |
| CN204271815U (en) | A kind of used in new energy vehicles integrated driving device | |
| CN206884716U (en) | Motor vehicle driven by mixed power and its hybrid power system | |
| CN110203058A (en) | A kind of wheel hub electric drive assembly of parallel shaft (speed) reducer | |
| CN110855073B (en) | Outer rotor electric wheel integrated structure based on non-pneumatic tire and assembly method | |
| CN206237248U (en) | A kind of permanent magnet synchronous type electric vehicle hub | |
| WO2022160426A1 (en) | Dual-rotor hub motor based on axial magnetic field and control method therefor | |
| CN102403833A (en) | Automatic gear-shifting wheel-hub motor of electric vehicle | |
| CN203739622U (en) | One-way planetary reduction wheel hub motor driving device for battery electric vehicle | |
| CN111224525A (en) | Axial magnetic field in-wheel motor assembly | |
| CN111591121A (en) | Dual-motor electric automobile driving system based on planetary gear | |
| CN218368161U (en) | Electric vehicle speed reduction hub motor | |
| CN202022091U (en) | Eccentric-type sealed wheel drive electric wheel | |
| CN211959028U (en) | Axial magnetic field in-wheel motor assembly | |
| CN203739623U (en) | Two-gear one-way planetary reduction wheel hub motor driving device for battery electric vehicle | |
| CN115675718A (en) | Electric vehicle speed reduction hub motor | |
| CN208914956U (en) | A kind of electric car and its power drive unit | |
| CN216851530U (en) | Hub motor power assembly | |
| CN106972690B (en) | Hybrid power permanent magnet outer rotor double motor of integrated brake differential continuously variable transmission | |
| CN202160059U (en) | Servo variable torque motor | |
| CN214728160U (en) | Vehicle drive device equipped with reduction gear | |
| CN212447100U (en) | Double-motor driving device of electric automobile | |
| CN114204729A (en) | Hub motor power assembly | |
| CN212258678U (en) | Double-output-shaft permanent magnet alternating current servo motor with differential function | |
| CN207989697U (en) | A kind of electric powered motor output speed reducer structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |