CN218063254U - Motor speed reduction all-in-one - Google Patents

Abstract

The utility model relates to a motor speed reduction all-in-one belongs to motor technical field, including casing, stator, rotor and pivot one, the one end that the stator was kept away from to pivot one is equipped with the sun gear, the sun gear meshing has three planet wheel, the casing tip is equipped with the speed reduction shell, be equipped with the ring gear that the planet wheel meshed mutually in the speed reduction shell, it is three the planet wheel middle part all rotates and is connected with pivot two, and is three the one end that the planet wheel was kept away from to pivot two is equipped with the driving plate, the driving plate middle part is equipped with the axis of rotation. The application has the advantages of large reduction ratio, high integration degree and wide application range.

Description

Motor speed reduction all-in-one

Technical Field

The utility model relates to a motor speed reduction all-in-one belongs to motor technical field.

Background

The motor can convert electric energy into mechanical energy, is an electromagnetic device with wider application range at present, and is widely applied to the industries of electronics and automation equipment.

Chinese patent CN202488280U discloses a motor, which comprises a stator, a rotor, a motor shaft, and a circuit board, wherein the circuit board is perpendicular to the motor shaft, a thermal insulation board is disposed between one side of the circuit board and the stator, and the outside of the other side of the circuit board is an open structure.

The inventor thinks that when using above-mentioned motor, still need external reduction gear, can have the great problem of whole volume after above-mentioned motor is connected the reduction gear, when needing to install the motor in the less equipment of volume, can have the relatively poor problem of suitability, and then has reduced the application scope of motor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough to prior art exists provides a motor speed reduction all-in-one.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a motor speed reduction all-in-one, includes casing, stator, rotor and pivot one, the one end that the stator was kept away from to pivot one is equipped with the sun gear, the sun gear meshing has three planet wheel, the casing tip is equipped with the speed reduction shell, be equipped with the ring gear that the planet wheel meshed mutually in the speed reduction shell, it is three the planet wheel middle part is all rotated and is connected with pivot two, three the one end that the planet wheel was kept away from to pivot two is equipped with the driving plate, the driving plate middle part is equipped with the axis of rotation.

The beneficial effect who adopts above-mentioned scheme is: the casing plays the installation effect to the stator, the rotor, the rotatory exportable mechanical energy of pivot, the sun gear rotates under the drive of pivot, the planet wheel with sun gear engaged with carries out the rotation equally, the planet wheel can rotate around the sun gear under the cooperation of interior ring gear, planet wheel middle part rotates the pivot of connection, can rotate under the drive of planet wheel, the driving plate can rotate under the drive of three pivot, and then the axis of rotation at driving plate middle part can rotate, and then can realize the mesh of transmission speed reduction, can make the motor volume less simultaneously, and then the too big poor problem of suitability of reducible motor volume, and then can guarantee the application scope of motor.

On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:

furthermore, a connecting shaft is connected to one end, far away from the transmission plate, of the rotating shaft in a clamped mode, a first eccentric sleeve and a second eccentric sleeve which are staggered by 180 degrees are sequentially arranged on the connecting shaft, a first roller bearing is arranged on the outer side of the first eccentric sleeve, a second roller bearing is arranged on the outer side of the second eccentric sleeve, a first cycloidal gear is arranged on the outer side of the first roller bearing, a second cycloidal gear is arranged on the outer side of the second roller bearing, a tooth block matched with the first cycloidal gear and the second cycloidal gear is arranged in the speed reduction shell, a plurality of third roller bearings are arranged on the first cycloidal gear, a plurality of fourth roller bearings are arranged on the second cycloidal gear, a swinging shaft is arranged between the third roller bearing and the fourth just opposite roller bearing, and an output shaft is arranged at one end, far away from the fourth roller bearing, of the swinging shaft.

Furthermore, a central cover is arranged in the output shaft, a placing groove matched with the connecting shaft is formed in the central cover, and a first bearing is arranged between the connecting shaft and the central cover.

Furthermore, the speed reduction shell is kept away from casing one end and is equipped with a spacing section of thick bamboo, be equipped with bearing three and bearing four between a spacing section of thick bamboo and the output shaft, the one end that the speed reduction shell was kept away from to a spacing section of thick bamboo is equipped with a sealing cylinder, a seal groove has been seted up to a sealing cylinder, a sealing washer is equipped with in the seal groove to a sealing cylinder.

Furthermore, one end of the oscillating shaft, which is far away from the output shaft, is provided with an intermediate wheel, the intermediate wheel and the rotating shaft are coaxial, and a bearing five is arranged between the intermediate wheel and the rotating shaft.

Furthermore, the speed reduction shell is internally and fixedly provided with a limiting plate, the limiting plate is provided with a limiting groove, the limiting plate is connected with a connecting wheel in the limiting groove in a clamping manner, the center of the connecting wheel is provided with a limiting ring, the limiting ring is positioned between the bearing five and the rotating shaft, and a bearing six is arranged between the limiting ring and the rotating shaft.

Furthermore, a seventh bearing is arranged between the second rotating shaft and the planet wheel, and a positioning plate is arranged at one end, far away from the transmission plate, of the second rotating shaft.

Furthermore, a first heat dissipation plate is arranged at one end, away from the rotating shaft, of the machine shell, a plurality of heat dissipation fins are arranged on the first heat dissipation plate, heat dissipation gaps are reserved between every two adjacent heat dissipation fins, and a second heat dissipation plate is arranged at one end, away from the first heat dissipation plate, of each heat dissipation fin.

The beneficial effect of adopting the further scheme is that: .

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the speed reduction all-in-one machine, the sun wheel, the planet wheel, the inner gear ring, the second rotating shaft, the transmission plate and the rotating shaft are arranged, so that the speed reduction of the first rotating shaft of the motor can be realized, and meanwhile, the size of the speed reduction all-in-one machine can be smaller under the matching of the speed reduction shell, so that the problem that the size of the speed reduction all-in-one machine is too large and the adaptability is poor can be solved, and the application range of the speed reduction all-in-one machine can be further ensured;

2. this application can make the rotation between pivot two and the planet wheel more smooth and easy through setting up seven bearings of bearing, still can reduce the great problem of friction between pivot two and the planet wheel, guarantees the life of pivot two and planet wheel.

Drawings

Fig. 1 is a schematic structural diagram of an integrated motor-reducer in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a first highlighted heat dissipation plate in the embodiment of the present application;

FIG. 3 is a schematic view showing a first protruding shaft in the embodiment of the present application;

FIG. 4 is a schematic view showing a structure of a planetary gear in the embodiment of the present application;

fig. 5 is a schematic structural view showing a connection shaft in the embodiment of the present application.

In the figure, 1, a housing; 11. a stator; 12. a rotor; 13. a first rotating shaft; 14. a speed reduction housing; 21. a first heat dissipation plate; 22. a heat sink; 23. a heat dissipation gap; 24. a second heat dissipation plate; 3. a speed reduction mechanism; 31. a sun gear; 32. a planet wheel; 33. an inner gear ring; 34. a second rotating shaft; 35. a drive plate; 36. a rotating shaft; 37. a seventh bearing; 38. positioning a plate; 4. a connecting shaft; 41. sleeving a first eccentric sleeve; 42. a second eccentric sleeve; 43. a roller bearing I; 44. a roller bearing II; 45. a first cycloid wheel; 46. a second cycloid wheel; 47. a tooth block; 48. a roller bearing III; 49. a roller bearing IV; 51. a swing shaft; 52. an output shaft; 61. a center cover; 62. a placement groove; 63. a first bearing; 71. a limiting cylinder; 72. a third bearing; 73. a bearing IV; 74. a sealing cylinder; 75. a sealing groove; 76. a seal ring; 81. an intermediate wheel; 82. a fifth bearing; 9. a limiting plate; 91. a limiting groove; 92. a connecting wheel; 93. a limiting ring; 94. and a sixth bearing.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1 and fig. 3, an integrated motor-speed reducing machine comprises a casing 1, a stator 11, a rotor 12, a first rotating shaft 13 and a speed reducing mechanism 3, wherein the stator 11, the rotor 12 and the first rotating shaft 13 are all arranged in the casing 1, the first rotating shaft 13 is connected with the rotor 12, and when the integrated motor-speed reducing machine is powered on, the rotor 12 rotates and simultaneously drives the first rotating shaft 13 to rotate; the end of the casing 1 is provided with a speed reducing casing 14, the speed reducing mechanism 3 is arranged in the speed reducing casing 14, the speed reducing mechanism 3 is connected with the first rotating shaft 13, the speed reducing mechanism 3 can reduce the speed of the first rotating shaft 13, meanwhile, the size of the speed reducing integrated machine can be smaller under the matching of the speed reducing casing 14, the problem that the size of the speed reducing integrated machine is too large and the adaptability is poor can be solved, and the application range of the speed reducing integrated machine can be guaranteed.

As shown in fig. 1 and 2, a first heat dissipation plate 21 is arranged at one end of the casing 1, which is far away from the rotating shaft 36, the first heat dissipation plate 21 is provided with a plurality of heat dissipation fins 22, heat dissipation gaps 23 are reserved between adjacent heat dissipation fins 22, a second heat dissipation plate 24 is arranged at one end of each heat dissipation fin 22, which is far away from the first heat dissipation plate 21, the second heat dissipation plate 24 and the heat dissipation fins 22 are arranged, and the heat dissipation gaps 23 are reserved between adjacent heat dissipation fins 22, so that heat generated during the operation of the motor can be conveniently dissipated, the problem that more heat is generated during the operation of the speed reduction all-in-one machine can be reduced, and the service life of the speed reduction all-in-one machine can be ensured.

As shown in fig. 1 and 3, the speed reducing mechanism 3 includes a sun gear 31, three planet gears 32, an inner gear ring 33, and three second rotating shafts 34, the sun gear 31 is disposed at one end of the first rotating shaft 13 away from the stator 11, the three planet gears 32 are uniformly engaged with the outside of the sun gear 31, the inner gear ring 33 is disposed in the speed reducing housing 14, the three planet gears 32 are engaged with the inner gear ring 33, the three second rotating shafts 34 are respectively rotatably connected to the middle portions of the three planet gears 32, a transmission plate 35 is disposed at one end of the three second rotating shafts 34 away from the planet gears 32, a rotating shaft 36 is disposed in the middle portion of the transmission plate 35, when the first rotating shaft 13 is driven by the rotor 12 to rotate, the planet gears 32 engaged with the sun gear 31 also rotate, the planet gears 32 can rotate around the sun gear 31 under the cooperation of the inner gear ring 33, the rotating shaft rotatably connected to the middle portions of the planet gears 32 can move under the drive of the planet gears 32, the transmission plate 35 can rotate under the drive of the three rotating shafts, and the rotating shaft 36 in the middle portion of the transmission plate 35 can rotate, thereby achieving the purpose of speed reducing the motor volume, and further reducing the problem of the adaptability of the motor can be ensured.

As shown in fig. 1 and 3, a seventh bearing 37 is disposed between the second rotating shaft 34 and the planet wheel 32, and the seventh bearing 37 can reduce friction between the second rotating shaft 34 and the planet wheel 32 and make rotation between the second rotating shaft 34 and the planet wheel 32 smoother. One end of the second 34 rotating shaft far away from the transmission plate 35 is provided with a positioning plate 38, the positioning plate 38 can improve the stability of the second 34 rotating shaft, and when the second 34 rotating shaft transmits between the planet wheel 32 and the transmission plate 35, the stability of the transmission of the second 34 rotating shaft can be improved, so that the problem of head and tail swing of the second 34 rotating shaft is solved.

As shown in fig. 1, 3, 4 and 5, the speed reducing mechanism 3 further includes a connecting shaft 4, a first eccentric sleeve 41 and a second eccentric sleeve 42, the connecting shaft 4 is connected to one end of the rotating shaft 36 far away from the transmission plate 35 in a clamping manner, the first eccentric sleeve 41 and the second eccentric sleeve 42 are both arranged on the connecting shaft 4, the first eccentric sleeve 41 is close to the transmission plate 35, the first eccentric sleeve 41 and the second eccentric sleeve 42 are arranged in a staggered manner of 180 degrees, a first roller bearing 43 is arranged outside the first eccentric sleeve 41, a second roller bearing 44 is arranged outside the second eccentric sleeve 42, a first cycloidal gear 45 is arranged outside the first roller bearing 43, a second cycloidal gear 46 is arranged outside the second roller bearing 44, a tooth block 47 matched with the first cycloidal gear 45 and the second cycloidal gear 46 is arranged in the speed reducing housing 14, a plurality of third roller bearings 48 are arranged on the first cycloidal gear 45, a plurality of fourth roller bearings 49 are arranged on the second cycloidal gear 46, the oscillating shafts 51 are arranged between the roller bearing III 48 and the roller bearing IV 49 which is opposite to the roller bearing III, the output shafts 52 are arranged at the ends of the oscillating shafts 51 far away from the roller bearing IV 49, when the rotating shaft 36 rotates, the connecting shaft 4 can be driven to rotate, when the connecting shaft 4 rotates to drive the eccentric sleeve I41 and the eccentric sleeve II 42 to rotate, the cycloidal gear I45 and the cycloidal gear II 46 are limited by the tooth blocks 47, the cycloidal gear I45 and the cycloidal gear II 46 perform revolution and plane motion of rotation, when the rotating shaft 36 rotates for one circle, the eccentric sleeve I41 and the eccentric sleeve II 42 also rotate for one circle, the cycloidal gear I45 and the cycloidal gear II 46 rotate for one tooth in the opposite direction, so that secondary speed reduction is realized, and the low-speed rotation motion of the cycloidal gear I45 and the cycloidal gear II 46 can be transmitted to the output shafts 52 by the oscillating shafts 51, so that a lower output rotating speed is obtained.

As shown in fig. 4 and 5, a center cover 61 is arranged in the output shaft 52, the center cover 61 is provided with a placing groove 62 matched with the connecting shaft 4, when the output shaft 52 rotates, the connecting shaft 4 rotates in the placing groove 62 of the center cover 61, the center cover 61 is arranged to play a certain limiting role on the output shaft 52, and the rotating stability of the output shaft 52 can be ensured; a first bearing 63 is arranged between the connecting shaft 4 and the central cover 61, and the first bearing 63 can reduce friction between the connecting shaft 4 and the central cover 61, so that the rotation between the central cover 61 and the connecting shaft 4 is smoother.

As shown in fig. 4 and 5, a limiting cylinder 71 is disposed at one end of the reduction casing 14 away from the casing 1, a third bearing 72 and a fourth bearing 73 are disposed between the limiting cylinder 71 and the output shaft 52, the limiting cylinder 71 can perform a main limiting function on the output shaft 52, and the third bearing 72 and the fourth bearing 73 are disposed, so that friction between the limiting cylinder 71 and the output shaft 52 can be reduced, and meanwhile, the problem of shaking of the output shaft 52 can be further reduced. One end of the limiting cylinder 71, which is far away from the speed reducing shell 14, is provided with a sealing cylinder 74, the sealing cylinder 74 is provided with a sealing groove 75, the sealing cylinder 74 is provided with a sealing ring 76 in the sealing groove 75, the sealing ring 76 is arranged in the sealing groove 75 of the sealing cylinder 74, the limiting cylinder 71 and the output shaft 52 can be sealed, and the problem that external dust and impurities can enter the space between the limiting cylinder 71 and the output shaft 52 can be reduced.

As shown in fig. 4 and 5, an intermediate wheel 81 is disposed at an end of the swing shaft 51 away from the output shaft 52, the intermediate wheel 81 is coaxial with the rotating shaft 36, a bearing five 82 is disposed between the intermediate wheel 81 and the rotating shaft 36, the intermediate wheel 81 can limit the swing shaft 51, the rotation stability of the swing shaft 51 can be ensured, and the bearing five 82 can reduce friction between the intermediate wheel 81 and the rotating shaft 36, and further reduce the influence on the rotation of the swing shaft 51.

As shown in fig. 4 and 5, a limiting plate 9 is fixedly arranged in the decelerating shell 14, the limiting plate 9 is provided with a limiting groove 91, the limiting plate 9 is clamped with a connecting wheel 92 in the limiting groove 91, the connecting wheel 92 is detachably connected with the limiting plate 9 through a bolt, a limiting ring 93 is arranged at the center of the connecting wheel 92, and the limiting ring 93 is positioned between the bearing five 82 and the rotating shaft 36; the connecting wheel 92 is arranged to limit the swing shaft 51 to a certain extent, so that the rotation stability of the swing shaft 51 can be further improved; a limiting plate 9 is arranged in the speed reducing shell 14, and a limiting groove 91 is formed in the limiting plate 9, so that the connecting wheel 92 can be conveniently installed and connected; the connecting wheel 92 is provided with a limiting ring 93, the outer side of the limiting ring 93 is abutted against the bearing five 82, a bearing six 94 is arranged between the limiting ring 93 and the rotating shaft 36, and the bearing five 82 and the bearing six 94 can reduce the friction between the limiting ring 93 and the intermediate wheel 81 as well as the friction between the limiting ring 93 and the rotating shaft 36 when the connecting wheel 92 is installed and connected; the connecting wheel 92 is arranged on the integrated speed reducing integrated machine, so that the overall operation stability of the speed reducing integrated machine is improved, and the integration degree of the speed reducing integrated machine is also improved.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (8)

1. The utility model provides a motor speed reduction all-in-one, includes casing (1), stator (11), rotor (12) and pivot (13), its characterized in that: one end of stator (11) is kept away from in pivot one (13) is equipped with sun gear (31), sun gear (31) meshing has three planet wheel (32), casing (1) tip is equipped with speed reduction shell (14), be equipped with ring gear (33) that planet wheel (32) engaged with in speed reduction shell (14), it is three planet wheel (32) middle part is all rotated and is connected with pivot two (34), and is three the one end that planet wheel (32) were kept away from in pivot two (34) is equipped with driving plate (35), driving plate (35) middle part is equipped with axis of rotation (36).

2. The motor speed reduction all-in-one machine of claim 1, characterized in that: the one end joint that transmission plate (35) was kept away from in axis of rotation (36) has connecting axle (4), be equipped with the eccentric cover one (41) and eccentric cover two (42) of 180 mutual dislocation in proper order on connecting axle (4), the eccentric cover one (41) outside is equipped with roller bearing one (43), eccentric cover two (42) outside is equipped with roller bearing two (44), roller bearing one (43) outside is equipped with cycloid wheel one (45), roller bearing two (44) outside is equipped with cycloid wheel two (46), be equipped with in speed reduction shell (14) with cycloid wheel one (45) and cycloid wheel two (46) matched with tooth piece (47), be equipped with a plurality of roller bearings three (48) on cycloid wheel one (45), be equipped with a plurality of roller bearings four (49) on cycloid wheel two (46), be equipped with oscillating axle (51) between roller bearing three (48) and the roller bearing four (49) just right, a plurality of oscillating axle (51) keep away from the one end of bearing four (49) and be equipped with output shaft (52).

3. The motor speed reduction all-in-one machine of claim 2, wherein: a central cover (61) is arranged in the output shaft (52), a placing groove (62) matched with the connecting shaft (4) is formed in the central cover (61), and a first bearing (63) is arranged between the connecting shaft (4) and the central cover (61).

4. The motor speed reduction all-in-one machine of claim 2, characterized in that: the speed reduction shell (14) is kept away from casing (1) one end and is equipped with spacing section of thick bamboo (71), be equipped with bearing three (72) and bearing four (73) between spacing section of thick bamboo (71) and output shaft (52), the one end that speed reduction shell (14) was kept away from in spacing section of thick bamboo (71) is equipped with sealed section of thick bamboo (74), seal groove (75) have been seted up in sealed section of thick bamboo (74), sealed section of thick bamboo (74) are equipped with sealing washer (76) in seal groove (75).

5. The motor speed reduction all-in-one machine of claim 2, characterized in that: an intermediate wheel (81) is arranged at one end, far away from the output shaft (52), of the swinging shaft (51), the intermediate wheel (81) and the rotating shaft (36) are coaxial, and a bearing five (82) is arranged between the intermediate wheel (81) and the rotating shaft (36).

6. The motor speed reduction all-in-one machine of claim 5, characterized in that: limiting plate (9) have been set firmly in speed reduction shell (14), spacing groove (91) have been seted up in limiting plate (9), limiting plate (9) joint has fifth (82) of bearing and axis of rotation (36) at spacing groove (91), fifth (92) center is equipped with spacing collar (93), spacing collar (93) are located between bearing and axis of rotation (36), and are equipped with bearing six (94) between spacing collar (93) and axis of rotation (36).

7. The motor speed reduction all-in-one machine of claim 1, wherein: a bearing seven (37) is arranged between the second rotating shaft (34) and the planet wheel (32), and a positioning plate (38) is arranged at one end, far away from the transmission plate (35), of the second rotating shaft (34).

8. The motor speed reduction all-in-one machine of claim 1, wherein: one end, far away from axis of rotation (36), of casing (1) is equipped with heating panel (21), heating panel (21) are equipped with a plurality of fin (22), and are adjacent leave heat dissipation clearance (23) between fin (22), the one end that heating panel (21) were kept away from in fin (22) is equipped with heating panel two (24).

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