CN216721045U

CN216721045U - Motor rotor structure

Info

Publication number: CN216721045U
Application number: CN202121917190.5U
Authority: CN
Inventors: 董国
Original assignee: Taizhou Haiying Electromechanical Co ltd
Current assignee: Taizhou Haiying Electromechanical Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-06-10
Anticipated expiration: 2031-08-17

Abstract

The utility model relates to the technical field of motors, in particular to a motor rotor structure which comprises a rotating shaft, wherein the rotating shaft comprises a rotating shaft step, a rotor sleeve is sleeved on the outer surface of the rotating shaft step, the rotating shaft step is fixedly connected with the rotor sleeve, a rotor core is sleeved on the outer surface of the rotor sleeve, a permanent magnet is arranged inside the rotor core, two inner baffles are arranged on two sides of the rotor sleeve, and two outer baffles are arranged on two sides of the rotor core. The utility model has the advantages that: the pivot adopts the step shaft, is favorable to the device location, reduces rocking of during operation, has guaranteed the stability of device, and the elasticity separation blade helps keeping out centrifugal force, reduces that the coil is loose, the effectual practicality of guaranteeing the device, and the permanent magnet mounting groove can improve device production efficiency, guarantees that inside magnetic field distributes evenly, hoisting device work efficiency. Interior louvre and outer louvre can effectively promote the thermal diffusivity of device.

Description

Motor rotor structure

Technical Field

The utility model relates to the technical field of motors, in particular to a motor rotor structure.

Background

The motor is one of the power output of machine inside in the life, and it is comparatively convenient to use, and the motor is inside including rotor and stator etc. and wherein the rotor can be with mechanical energy transformation, and it is comparatively convenient to use.

But current rotor structure is comparatively simple, and the coil on the rotor is after long-time the use, and the coil takes place not hard up condition easily, and centrifugal force leads to the inside atress of rotor to produce the deviation, and then can influence the rotation effect of rotor, and it is comparatively inconvenient to use, and the electric motor rotor heat dispersion of this structure is poor, influences electric motor rotor's normal operating.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a motor rotor structure. The purpose of the utility model is realized by the following technical scheme: the utility model provides an electric motor rotor structure, includes the pivot, the pivot includes the pivot step, the rotor sleeve has been cup jointed to the surface of pivot step, just the pivot step with rotor sleeve fixed connection, rotor core has been cup jointed to the telescopic surface of rotor, rotor core's inside is provided with the permanent magnet, rotor sleeve's both sides all are provided with an interior baffle, rotor core's both sides all are provided with an outer baffle, just outer baffle is located interior baffle and keeps away from rotor sleeve one side.

Optionally, the pivot is the step shaft, one side fixedly connected with location step of pivot step, the opposite side fixedly connected with second support step of pivot step, the first support step of one side fixed connection that the pivot step was kept away from to the location step, the second supports the step and keeps away from pivot step one side fixedly connected with output step, the output step is kept away from the second and is supported the surface of step one side and seted up a keyway.

Optionally, the rotor sleeve includes the sleeve, six connecting plates of telescopic outer fixed surface connection, six the fillet has all been seted up to the both sides of connecting plate, six the connecting plate is kept away from a dog of equal fixedly connected with in sleeve one side, six all the winding has the coil on the surface of connecting plate, just the coil is located between sleeve and the dog, two mounting grooves of symmetry are seted up to one side that the dog is close to the connecting plate, equal joint has the elasticity separation blade between dog and the adjacent dog, the elasticity separation blade is close to dog one side joint in the mounting groove.

Optionally, eight permanent magnet mounting grooves have been seted up to rotor core's inside, eight the permanent magnet mounting groove is the circumference and evenly arranges, and eight the permanent magnet mounting groove is logical groove, the permanent magnet joint is in the inside of permanent magnet mounting groove, two screw holes of symmetry have all been seted up between permanent magnet mounting groove and the adjacent permanent magnet mounting groove.

Optionally, a positioning hole is formed in the middle of the inner baffle, the inner portion of the positioning hole is sleeved on the outer surface of the rotor sleeve, a plurality of inner heat dissipation holes are formed in the inner portion of the inner baffle, the inner heat dissipation holes are evenly distributed around the positioning hole, six first through holes are formed in the edge of the inner baffle, the six first through holes are evenly distributed around the positioning hole in a circumferential mode, a bolt penetrates through the inner portion of the six first through holes, and the six bolts are connected with the rotor sleeve in a threaded mode.

Optionally, a connecting hole is formed in the middle of the outer baffle, the inner surface of the connecting hole is sleeved on the outer surface of the rotating shaft, three outer radiating holes are formed in the outer baffle, the outer radiating holes are evenly distributed around the connecting hole, eight second through holes are formed in the edge of the outer baffle, the second through holes are evenly distributed around the connecting hole in a circumferential mode, and eight bolts are arranged in the second through holes in a penetrating mode and are connected with the rotor core in a threaded mode.

Optionally, both sides of the sleeve exceed the connecting plate, both sides of the stopper exceed the connecting plate, both sides of the sleeve exceed the stopper, and both sides of the sleeve are connected with the inner baffle.

The utility model has the following advantages:

1. the device pivot adopts the step shaft, wherein fix a position the setting of step, be favorable to the device location more, reduce rocking of device during operation, guaranteed the stability of device, the mounting groove that sets up in the rotor sleeve of device helps keeping out the centrifugal force that leads to the coil to produce in the device course of the work because of high-speed rotation with the elastic separation blade, it is loose to reduce the coil, guarantee the atress balance of device, when improving work efficiency, the wearing and tearing of great reduction pivot, the effectual life and the practicality of having guaranteed the device.

2. The permanent magnet mounting groove in the rotor core of the device can effectively improve the installation speed of the device, improves the production efficiency of the device, can ensure that the magnetic field inside the device is uniformly distributed after installation, and effectively improves the working efficiency of the device.

3. The device's interior louvre that interior louvre and the outer radiating hole of outer baffle setting that the interior baffle set up can effectually spread the heat that the coil produced in the device and investigate to louvre and outer radiating hole can make the air flow more smooth and easy in all installing at the both ends of device, further promotion the thermal diffusivity of device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a first perspective of the present invention;

FIG. 3 is a schematic diagram of a second perspective of the present invention;

FIG. 4 is an exploded view of a spindle according to the present invention;

FIG. 5 is a schematic structural view of a rotor sleeve of the present invention;

FIG. 6 is a schematic structural view of a rotor core according to the present invention;

FIG. 7 is a schematic view of the structure of the inner baffle of the present invention;

fig. 8 is a schematic structural view of the outer baffle of the present invention.

In the figure: 1-rotating shaft, 11-rotating shaft step, 12-positioning step, 13-second supporting step, 14-first supporting step, 15-output step, 16-key groove, 2-rotor sleeve, 21-sleeve, 22-connecting plate, 23-stop, 24-mounting groove, 25-elastic baffle, 3-rotor iron core, 31-permanent magnet mounting groove, 32-threaded hole, 4-permanent magnet, 5-internal baffle, 51-positioning hole, 52-internal heat dissipation hole, 53-first through hole, 6-external baffle, 61-connecting hole, 62-external heat dissipation hole, 63-second through hole.

Detailed Description

The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.

As shown in fig. 1-8, an electric motor rotor structure, it includes pivot 1, pivot 1 includes pivot step 11, rotor sleeve 2 has been cup jointed to the surface of pivot step 11, and pivot step 11 and rotor sleeve 2 fixed connection, rotor core 3 has been cup jointed to the surface of rotor sleeve 2, rotor core 3's inside is provided with permanent magnet 4, rotor sleeve 2's both sides all are provided with an interior baffle 5, rotor core 3's both sides all are provided with an outer baffle 6, and outer baffle 6 is located interior baffle 5 and keeps away from rotor sleeve 2 one side.

As a preferred technical scheme of the utility model: the pivot 1 is the step shaft, one side fixedly connected with location step 12 of pivot step 11, the setting of this step helps device positioning, hoisting device's production efficiency, improve the stability of device simultaneously, the opposite side fixedly connected with second support step 13 of pivot step 11, the first support step 14 of one side fixed connection that pivot step 11 was kept away from to location step 12, first support step and second support step mainly are used for supporting the telescopic weight of rotor and guaranteeing the steady of device work, pivot step 11 one side fixedly connected with output step 15 is kept away from to second support step 13, output step 15 is kept away from the surface of second support step 13 one side and has been seted up a keyway 16, the setting of this keyway is in order to reduce the degree of difficulty when the device uses and install with other devices, effectively promote device's practicality.

As a preferred technical scheme of the utility model: rotor sleeve 2 includes sleeve 21, six connecting plates 22 of sleeve 21's external fixed surface is connected with, the fillet has all been seted up to six connecting plates 22's both sides, this connecting plate is used for connecting sleeve and dog promptly, it is used for the winding coil to have, the setting of fillet is used for protecting the coil, the fillet can protect the insulating layer of coil more when rounding off more for the edges and corners, the high efficiency and the good nature of improving device production, six connecting plates 22 keep away from dog 23 of the equal fixedly connected with in sleeve 21 one side, all the winding has the coil on six connecting plates 22's the surface, and the coil is located between sleeve 21 and the dog 23, dog 23 is close to one side of connecting plate 22 and has seted up two symmetrical mounting grooves 24, equal joint elasticity separation blade 25 between dog 23 and the adjacent dog 23, elasticity separation blade 25 is close to dog 23 one side joint in mounting groove 24.

As a preferred technical scheme of the utility model: eight permanent magnet mounting grooves 31 have been seted up to rotor core 3's inside, eight permanent magnet mounting grooves 31 are the circumference and evenly arrange, the installation rate of permanent magnet not only can be very fast, can also guarantee that the stability of device is even with the inside magnetic field of ensureing the device, it increases device work efficiency to heighten, and eight permanent magnet mounting grooves 31 are logical groove, 4 joints of permanent magnet are in the inside of permanent magnet mounting groove 31, two screw holes 32 of symmetry all set up between permanent magnet mounting groove 31 and the adjacent permanent magnet mounting groove 31.

As a preferred technical scheme of the utility model: locating hole 51 has been seted up at the middle part of interior baffle 5, locating hole 51's inside cup joints in rotor sleeve 2's surface, a plurality of interior louvres 52 have been seted up to interior baffle 5's inside, the heat that the device internal coil of being convenient for produced is arranged, effectively improve device work efficiency, a plurality of interior louvres 52 evenly arrange around locating hole 51, six first through-holes 53 have been seted up to interior baffle 5's edge, six first through-holes 53 are the circumference around locating hole 51 and evenly arrange, a bolt has all been run through to six first through-holes 53's inside, six bolts all with rotor sleeve 2 threaded connection.

As a preferred technical scheme of the utility model: connecting hole 61 has been seted up at the middle part of outer baffle 6, the internal surface of connecting hole 61 cup joints in the surface of pivot 1, three outer radiating hole 62 has been seted up to the inside of outer baffle 6, the heat that the device inner coil of being convenient for produced is arranged, effectively improve device work efficiency, three outer radiating hole 62 evenly arranges around connecting hole 61, eight second through-holes 63 have been seted up to the edge of outer baffle 6, eight second through-holes 63 are the circumference around connecting hole 61 and evenly arrange, a bolt has all been run through to the inside of eight second through-holes 63, eight bolts all with 3 threaded connection of rotor core.

As a preferred technical scheme of the utility model: the both sides of sleeve 21 all exceed connecting plate 22, and the both sides of dog 23 all exceed connecting plate 22, and the both sides of sleeve 21 all exceed dog 23, exceed the part and be used for connecting interior baffle, can reduce the contact of interior baffle and rotor sleeve and outer baffle, great improvement device's work efficiency, the both sides and the interior baffle 5 of sleeve 21 are connected.

In summary, the following steps: the device adopts a stepped shaft as a rotating shaft 1, wherein the arrangement of a positioning step 12 is more beneficial to positioning of the device, the shaking of the device during working is reduced, the stability of the device is ensured, a mounting groove 24 and an elastic catch 25 which are arranged in a rotor sleeve 2 of the device are beneficial to resisting the centrifugal force generated by a coil due to high-speed rotation in the working process of the device, the loosening of the coil is reduced, the stress balance of the device is ensured, the working efficiency is improved, meanwhile, the abrasion of the rotating shaft 1 is greatly reduced, and the service life and the practicability of the device are effectively ensured; the permanent magnet mounting groove 31 in the rotor core 3 of the device can effectively improve the mounting speed of the device, improve the production efficiency of the device, ensure uniform distribution of the magnetic field in the device after mounting and effectively improve the working efficiency of the device; the interior louvre 52 that the interior baffle 5 of the device set up and the outer louvre 62 that outer baffle 6 set up can effectually carry out the diffusion investigation with the heat that the coil produced in the device to louvre 52 and outer louvre 62 can make the air flow more smooth and easy in all installing at the both ends of device, further promotion the thermal diffusivity of device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An electric motor rotor structure characterized in that: including pivot (1), pivot (1) is including pivot step (11), rotor sleeve (2) have been cup jointed to the surface of pivot step (11), just pivot step (11) with rotor sleeve (2) fixed connection, rotor core (3) have been cup jointed to the surface of rotor sleeve (2), the inside of rotor core (3) is provided with permanent magnet (4), the both sides of rotor sleeve (2) all are provided with one interior baffle (5), the both sides of rotor core (3) all are provided with one outer baffle (6), just rotor sleeve (2) one side is kept away from in baffle (5) are located in outer baffle (6).

2. A rotor structure of an electric machine according to claim 1, characterized in that: pivot (1) is the step shaft, one side fixedly connected with location step (12) of pivot step (11), opposite side fixedly connected with second support step (13) of pivot step (11), the first support step (14) of one side fixedly connected with of pivot step (11) is kept away from in location step (12), pivot step (11) one side fixedly connected with output step (15) are kept away from in second support step (13), output step (15) are kept away from the surface that second support step (13) one side and are seted up a keyway (16).

3. A rotor structure of an electric machine according to claim 1, characterized in that: rotor sleeve (2) are including sleeve (21), six connecting plate (22) of the outer fixed surface of sleeve (21), six the fillet has all been seted up to the both sides of connecting plate (22), six dog (23), six of the equal fixedly connected with in sleeve (21) one side are kept away from in connecting plate (22) all the winding has the coil on the surface of connecting plate (22), just the coil is located between sleeve (21) and dog (23), two mounting grooves (24) of symmetry are seted up to one side that dog (23) are close to connecting plate (22), equal joint has elastic separation blade (25) between dog (23) and adjacent dog (23), elastic separation blade (25) are close to dog (23) one side joint in mounting groove (24).

4. A rotor structure of an electric machine according to claim 1, characterized in that: eight permanent magnet mounting grooves (31), eight have been seted up to the inside of rotor core (3) permanent magnet mounting groove (31) are the circumference and evenly arrange, and eight permanent magnet mounting groove (31) are logical groove, permanent magnet (4) joint is in the inside of permanent magnet mounting groove (31), two screw holes (32) of symmetry have all been seted up between permanent magnet mounting groove (31) and adjacent permanent magnet mounting groove (31).

5. A rotor structure of an electric machine according to claim 1, characterized in that: locating hole (51) have been seted up at the middle part of interior baffle (5), the surface in rotor sleeve (2) is cup jointed to the inside of locating hole (51), a plurality of interior louvre (52) have been seted up to the inside of interior baffle (5), and is a plurality of interior louvre (52) evenly arrange around locating hole (51), six first through-hole (53) have been seted up to the edge of interior baffle (5), and six first through-hole (53) are the circumference around locating hole (51) and evenly arrange, six a bolt has all been run through to the inside of first through-hole (53), six the bolt all with rotor sleeve (2) threaded connection.

6. A rotor structure of an electric machine according to claim 1, characterized in that: connecting hole (61) have been seted up at the middle part of outer baffle (6), the internal surface of connecting hole (61) cup joints in the surface of pivot (1), three outer radiating hole (62) have been seted up to the inside of outer baffle (6), and is three outer radiating hole (62) evenly arrange around connecting hole (61), eight second through-holes (63), eight have been seted up to the edge of outer baffle (6) second through-hole (63) are the circumference around connecting hole (61) and evenly arrange, eight a bolt, eight have all been run through to the inside of second through-hole (63) the bolt all with rotor core (3) threaded connection.

7. A rotor structure of an electric machine according to claim 3, characterized in that: the two sides of the sleeve (21) exceed the connecting plates (22), the two sides of the stop blocks (23) exceed the connecting plates (22), the two sides of the sleeve (21) exceed the stop blocks (23), and the two sides of the sleeve (21) are connected with the inner baffle (5).