CN211508831U - Vehicle driving motor with built-in planet row speed reduction unit - Google Patents
Vehicle driving motor with built-in planet row speed reduction unit Download PDFInfo
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- CN211508831U CN211508831U CN201922358040.4U CN201922358040U CN211508831U CN 211508831 U CN211508831 U CN 211508831U CN 201922358040 U CN201922358040 U CN 201922358040U CN 211508831 U CN211508831 U CN 211508831U
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- end cover
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- motor shaft
- reduction unit
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Abstract
The utility model provides a speed reduction unit's automobile-used driving motor is arranged to built-in planet, it makes driving motor's the interior intracavity integration have the speed reduction unit for the automobile body arranges that simple and convenient has reduced automobile body design cost, has reduced the cost of manufacture. The two ends of the machine shell are respectively and fixedly provided with a first end cover and a second end cover, a stator part is fixedly arranged on a radial annular wall arranged in an inner cavity of the machine shell, a rotor core is arranged in a radial inner annular area of a stator core of the stator part, the rotor core is fixedly arranged at a radial peripheral position of a rotating hub, the radial inner annular of the rotating hub is fixedly sleeved at the inner end of a motor shaft and corresponds to the axial position, the outer end of the motor shaft is supported in a mounting hole of the first end cover for arrangement, the outer annular surface of the motor shaft corresponding to the area of the inner cavity is further provided with a planet carrier through an oil seal sleeve, a plurality of planet shafts are arranged on the planet carrier in a ring-shaped mode, each planet shaft is sleeved with a corresponding planet wheel, the outer annular surface of the.
Description
Technical Field
The utility model relates to a driving motor's technical field specifically is a speed reduction unit's automobile-used driving motor is arranged to built-in planet.
Background
The existing driving motor for the vehicle comprises a stator, a rotor, a shell, an end cover and an output shaft, wherein the corresponding structure comprises a corresponding structure body of the stator, the rotor, the shell, the end cover and the output shaft, and a speed reducer structure is additionally configured under the condition that speed reduction is needed in use.
Disclosure of Invention
To the above problem, the utility model provides a speed reduction unit's automobile-used driving motor is arranged to built-in planet, it makes driving motor's the interior intracavity integration have the speed reduction unit for the automobile body is arranged simple and conveniently, has reduced automobile body design cost, has reduced the cost of manufacture.
A vehicle driving motor with a built-in planet row speed reduction unit is characterized in that: the motor comprises a shell, a first end cover and a second end cover, wherein the first end cover and the second end cover are fixedly arranged at two ends of the shell respectively, a stator part is fixedly arranged on a radial annular wall arranged in an inner cavity of the shell, a rotor core is arranged in a radial inner annular area of a stator core of the stator part, the rotor core is fixedly arranged at a radial outer peripheral position of a rotary hub, a radial inner ring of the rotary hub is fixedly sleeved at an inner end of a motor shaft corresponding to an axial position, an outer end side of the motor shaft is arranged in a mounting hole of the first end cover in a protruding mode, a planet carrier is further sleeved on an outer annular surface of the motor shaft corresponding to the area of the inner cavity through a bearing, a plurality of planet shafts are arranged on the planet carrier in a surrounding mode, each planet shaft is respectively sleeved with a corresponding planet wheel, a sun wheel is fixedly arranged on an outer annular surface of the inner end of the motor, the radial outer end of planet carrier pass through the splice box rigid coupling in the corresponding terminal surface of second end cover, the inner axial position indent of motor shaft forms central installation indent, and the one end of transmission shaft is positioned through the bearing in the indent is installed at the center, the other end of transmission shaft passes through the bearing and is positioned in the second mounting hole of second end cover is arranged, the transmission shaft is used for external linkage, the ring gear structure of radial evagination has still been arranged in the axial of transmission shaft, the inner race tooth meshing of ring gear structure the planet wheel is arranged.
It is further characterized in that:
the motor shaft and the rotating hub are fixedly connected through a flat key sleeve, so that the other part can synchronously rotate in one rotating state;
the end face of the other end of the transmission shaft is recessed inwards to form an internal spline, and the linkage device is inserted into the internal spline through a corresponding connecting shaft, so that the transmission shaft can be connected with the linkage device without occupying external space, and the volume of the whole structure is further ensured to be small enough;
a flange plate structure is arranged at the connecting position of the connecting frame and the inner end face of the second end cover and fixedly connected to the corresponding end face of the second end cover through bolts;
the area formed by the connecting frame, the second end cover, the motor shaft and the transmission shaft is a closed area and is used for arranging a corresponding structure of the planet row speed reducing unit, so that the components of the planet row speed reducing unit are convenient to lubricate;
each stator core is provided with a wire slot which is axially communicated, and a stator coil is arranged in the wire slot;
a rotor end plate is fixedly arranged on the end face, facing the second end cover, of the rotor iron core, and the rotor end plate ensures that the rotor iron core is convenient and quick to install;
when the product is suitable for hybrid power, the mounting hole position of the first end cover is arranged in an inward concave structure, a sealing plate is arranged on the outer side of the position, corresponding to the mounting hole, of the first end cover, the motor shaft penetrates through the center hole of the sealing plate and then protrudes outwards, an outward protruding guide sleeve is further arranged on the sealing plate along the length area of the motor shaft, the radial outer end of the sealing plate is fixedly connected with the corresponding position of the first end cover through bolts distributed around, an oil seal structure is arranged in the transition area between the sealing plate and the outward protruding guide sleeve, and the inner ring of the oil seal structure is sleeved at the corresponding position of the motor shaft to ensure;
when the product is applicable to pure electronic, the mounting hole that the outer end of motor shaft was located first end cover through the bearing arranges, the mounting hole is the blind hole, the outer end of motor shaft is evagination.
After the technical scheme is adopted, the planet row speed reduction unit is arranged on the power output side in the motor, the planet carrier is fixed on the second end cover, the sun gear and the motor rotor share one motor shaft, and the power of the motor is output by the gear ring; the power of the motor rotor is input from the sun wheel, and a motor shaft is fixedly sleeved with the rotating hub and meshed with the planet wheel; the planet carrier is fixed on the second end cover and isolates the planet row speed reducing unit from a stator and a rotor of the motor, so that the lubrication of the planet row speed reducing unit is facilitated; the gear ring structure and the transmission shaft are of an integral structure; under the condition that the volume of the power system is not increased, a larger torque can be output through the speed reduction of the built-in planet row, and the power is strong; the requirement of high rotating speed of the motor under different working conditions can be met by increasing the speed of the built-in planet row; the same torque is output, and the weight and the volume of the power system can be greatly reduced compared with a single motor; the speed reduction unit is arranged in the power system, so that the structure of the power system is more compact than that of an external gearbox; the same torque is output, compared with a single motor, the consumption of materials such as magnetic steel, enameled wire and the like is less, and the comprehensive cost is effectively reduced; the speed reduction unit is integrated in the inner cavity of the driving motor, so that the vehicle body is simple and convenient to arrange, the design cost of the vehicle body is reduced, and the manufacturing cost is reduced.
Drawings
Fig. 1 is a schematic sectional view of a front view of a hybrid drive motor according to the present invention;
fig. 2 is a schematic front view, sectional structure view of the pure electric drive motor of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the structure comprises a machine shell 1, a first end cover 2, a mounting hole 21, a second end cover 3, a second mounting hole 31, an inner cavity 4, a stator part 5, a stator core 51, a stator coil 52, a rotor core 6, a rotating hub 7, a motor shaft 8, an oil seal 9, a planet carrier 10, a planet shaft 11, a planet wheel 12, a sun wheel 13, a connecting frame 14, a flange structure 141, a central mounting inner concave hole 15, a transmission shaft 16, a gear ring structure 17, inner ring teeth 171, a spline 18, a rotor end plate 19, a sealing plate 20, a convex guide sleeve 201, an oil seal structure 202, a bearing 22 and a bearing 23.
Detailed Description
A vehicle drive motor incorporating a planetary gear reduction unit, see fig. 1: the motor comprises a machine shell 1, a first end cover 2 and a second end cover 3, wherein the first end cover 2 and the second end cover 3 are fixedly arranged at two ends of the machine shell 1 respectively, a stator part 5 is fixedly arranged on the annular wall of an inner cavity 4 of the machine shell 1, a rotor core 6 is arranged in the radial inner ring area of a stator core 51 of the stator part 5, the rotor core 6 is fixedly arranged at the radial outer peripheral position of a rotating hub 7, the radial inner ring of the rotating hub 7 is fixedly sleeved at the inner end of a motor shaft 8 corresponding to the axial position, the outer end of the motor shaft 8 is supported in the arrangement of a mounting hole 21 of the first end cover 2, a planet carrier 10 is further sleeved on the outer annular surface of the area of the motor shaft 8 corresponding to the inner cavity 4 through an oil seal 9, a plurality of planet shafts 11 are arranged on the planet carrier 10, each planet shaft 11 is respectively sleeved with a corresponding planet wheel 12, a sun wheel 13 is fixedly arranged on the outer, the radial outer end of planet carrier 10 passes through the corresponding terminal surface of splice frame 14 rigid coupling in second end cover 3, the inner axial position indent of motor shaft 8 forms central installation indent hole 15, the one end of transmission shaft 16 is located central installation indent hole 15 through bearing 22, the other end of transmission shaft 16 passes through bearing 23 and is located the second mounting hole 31 of second end cover 3 and arrange, transmission shaft 16 is used for external linkage, radial evagination's ring gear structure 17 has still been arranged to the axial of transmission shaft 16, the inner circle tooth 171 meshing planet wheel 12 of ring gear structure 17 arranges.
The motor shaft 8 and the rotating hub 7 are fixedly connected through a flat key sleeve, so that the other part can synchronously rotate in one rotating state;
the end face of the other end of the transmission shaft 16 is recessed inwards to form an internal spline 18, and the linkage device is inserted into the internal spline 18 through a corresponding connecting shaft, so that the transmission shaft 16 can be connected with the linkage device without occupying external space, and the volume of the whole structure is further ensured to be small enough;
a flange structure 141 is arranged at the connecting position of the connecting frame 14 and the inner end face of the second end cover 3, and the flange structure 141 is fixedly connected to the corresponding end face of the second end cover 3 through bolts;
the area formed by the connecting frame 14, the second end cover 3, the motor shaft 8 and the transmission shaft 16 is a closed area and is used for arranging a corresponding structure of the planet row speed reducing unit, so that the components of the planet row speed reducing unit are convenient to lubricate;
each stator core 51 is provided with axially through-going slots (not shown in the figures, belonging to the existing mature structure) in which the stator coils 52 are arranged;
the end face of the rotor core 6 facing the second end cover 3 is fixedly provided with a rotor end plate 19, and the rotor end plate 19 ensures that the rotor core 6 is convenient and fast to install.
The first specific embodiment is shown in fig. 1: when the product is applicable to hybrid, the mounting hole 21 position of first end cover 2 is the indent structure setting, first end cover 2 is provided with shrouding 20 corresponding to the position outside of mounting hole 21, motor shaft 8 runs through behind the centre bore of shrouding 20 evagination, shrouding 20 still is provided with evagination uide bushing 201 along motor shaft 8's length region, shrouding 20's radial outer end passes through the corresponding position of the first end cover 2 of bolt rigid coupling of ring cloth, the transition region between shrouding 20 and the evagination uide bushing 201 is provided with oil blanket structure 202, the inner ring suit of oil blanket structure 202 is in the corresponding position of motor shaft 8, ensure to seal.
The second embodiment is shown in fig. 2: the outer end of motor shaft 8 is located the mounting hole 21 arrangement of first end cover 2 through the bearing, mounting hole 21 is the blind hole, the outer end of motor shaft 8 is evagination.
The working principle is as follows: the planet row speed reduction unit is arranged on the power output side in the motor, the planet carrier is fixed on the second end cover, the sun gear and the motor rotor share one motor shaft, and the power of the motor is output by the gear ring; the power of the motor rotor is input from the sun wheel, and a motor shaft is fixedly sleeved with the rotating hub and meshed with the planet wheel; the planet carrier is fixed on the second end cover and isolates the planet row speed reducing unit from a stator and a rotor of the motor, so that the lubrication of the planet row speed reducing unit is facilitated; the gear ring structure and the transmission shaft are of an integral structure.
In the first specific embodiment, when the motor is actually used and the motor is electrified, the power is input at the convex end of the motor shaft, and the power is transmitted at the other end of the transmission shaft through the external structure; under the condition that the volume of the power system is not increased, a larger torque can be output through the speed reduction of the built-in planet row, and the power is strong; the requirement of high rotating speed of the motor under different working conditions can be met by increasing the speed of the built-in planet row; the same torque is output, and the weight and the volume of the power system can be greatly reduced compared with a single motor; the speed reduction unit is arranged in the power system, so that the structure of the power system is more compact than that of an external gearbox; the same torque is output, compared with a single motor, the consumption of materials such as magnetic steel, enameled wire and the like is less, and the comprehensive cost is effectively reduced.
Under the condition that the size of a motor main body is kept unchanged, the internal space of the motor is used for arranging the planet row speed reduction unit, the planet carrier part of the planet row is fixed on a motor end cover, a motor rotor is connected with a sun gear, and power is output by the gear ring after being reduced by the planet row, so that the requirement in the aspect of power is met, the weight and the volume of the motor can be effectively reduced, and the motor is compact in structure, and good in dynamic property and economical efficiency.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A vehicle driving motor with a built-in planet row speed reduction unit is characterized in that: the motor comprises a shell, a first end cover and a second end cover, wherein the first end cover and the second end cover are fixedly arranged at two ends of the shell respectively, a stator part is fixedly arranged on a radial annular wall arranged in an inner cavity of the shell, a rotor core is arranged in a radial inner annular area of a stator core of the stator part, the rotor core is fixedly arranged at a radial outer peripheral position of a rotary hub, the radial inner annular of the rotary hub is fixedly sleeved at an inner end of a motor shaft corresponding to an axial position, the outer end of the motor shaft is supported in a mounting hole of the first end cover, a planet carrier is further arranged on an outer annular surface of the motor shaft corresponding to the area of the inner cavity through an oil seal sleeve, a plurality of planet shafts are arranged on the planet carrier in a surrounding mode, each planet shaft is respectively sleeved with a corresponding planet wheel, a sun wheel is fixedly arranged on an outer annular surface of the inner end of the motor shaft, the sun wheel is meshed with the planet wheels of the annular cover, the radial outer, the inner axial position indent of motor shaft forms central installation indent hole, and the one end of transmission shaft is located through the bearing in the central installation indent hole, the other end of transmission shaft is located through the bearing the second mounting hole of second end cover is arranged, the transmission shaft is used for external interlock, radial evagination's ring gear structure has still been arranged to the axial of transmission shaft, the meshing of ring gear structure's inner circle tooth the planet wheel is arranged.
2. A vehicular drive motor incorporating a planetary gear reduction unit as set forth in claim 1, wherein: the motor shaft and the rotating hub are fixedly connected through a flat key sleeve.
3. A vehicular drive motor incorporating a planetary gear reduction unit as set forth in claim 1, wherein: the end face of the other end of the transmission shaft is recessed inwards to form a spline.
4. A vehicular drive motor incorporating a planetary gear reduction unit as set forth in claim 1, wherein: and the connecting frame is connected with the inner end face of the second end cover through a flange plate structure, and the flange plate structure is fixedly connected to the corresponding end face of the second end cover through bolts.
5. A vehicular drive motor incorporating a planetary gear reduction unit as set forth in claim 1, wherein: the area that the connecting frame and second end cover, motor shaft, transmission shaft constitute is closed region.
6. A vehicular drive motor incorporating a planetary gear reduction unit as set forth in claim 1, wherein: each stator core is provided with axially through-going slots in which the stator coils are arranged.
7. A vehicular drive motor incorporating a planetary gear reduction unit as set forth in claim 1, wherein: and the end face of the rotor core, which faces the second end cover, is fixedly provided with a rotor end plate.
8. A vehicular drive motor incorporating a planetary gear reduction unit as set forth in claim 1, wherein: when the product is applicable to hybrid, the mounting hole position of first end cover is the indent structure setting, the position outside that first end cover corresponds to the mounting hole is provided with the shrouding, the motor shaft passes through behind the centre bore of shrouding evagination, the shrouding still is provided with the evagination uide bushing along the length region of motor shaft, the radial outer end of shrouding passes through the bolt rigid coupling of ring cloth the corresponding position of first end cover, the transition region between shrouding and the evagination uide bushing is provided with the oil blanket structure, the inner ring suit of oil blanket structure in the corresponding position of motor shaft.
9. A vehicular drive motor incorporating a planetary gear reduction unit as set forth in claim 1, wherein: when the product is applicable to pure electronic, the mounting hole that the outer end of motor shaft was located first end cover through the bearing arranges, the mounting hole is the blind hole, the outer end of motor shaft is evagination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922358040.4U CN211508831U (en) | 2019-12-25 | 2019-12-25 | Vehicle driving motor with built-in planet row speed reduction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922358040.4U CN211508831U (en) | 2019-12-25 | 2019-12-25 | Vehicle driving motor with built-in planet row speed reduction unit |
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| Publication Number | Publication Date |
|---|---|
| CN211508831U true CN211508831U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922358040.4U Active CN211508831U (en) | 2019-12-25 | 2019-12-25 | Vehicle driving motor with built-in planet row speed reduction unit |
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| Country | Link |
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| CN (1) | CN211508831U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115296482A (en) * | 2022-09-29 | 2022-11-04 | 深圳小象电动科技有限公司 | Hub motor with axial magnetic flux built-in planetary reducer |
-
2019
- 2019-12-25 CN CN201922358040.4U patent/CN211508831U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115296482A (en) * | 2022-09-29 | 2022-11-04 | 深圳小象电动科技有限公司 | Hub motor with axial magnetic flux built-in planetary reducer |
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